{"id":13361,"date":"2025-06-17T07:51:06","date_gmt":"2025-06-17T07:51:06","guid":{"rendered":"https:\/\/www.dgcrane.com\/?post_type=posts&#038;p=13361"},"modified":"2025-06-17T07:51:16","modified_gmt":"2025-06-17T07:51:16","slug":"gantry-crane-failures-and-essential-maintenance-tips-for-optimal-performance","status":"publish","type":"posts","link":"https:\/\/www.dgcrane.com\/vi\/posts\/gantry-crane-failures-and-essential-maintenance-tips-for-optimal-performance\/","title":{"rendered":"H\u1ecfng h\u00f3c c\u1ee7a c\u1ea7n tr\u1ee5c c\u1ed5ng tr\u1ee5c v\u00e0 c\u00e1c m\u1eb9o b\u1ea3o tr\u00ec c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u00f3 hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><p>M\u1ee5c l\u1ee5c<\/p><nav><ul><li><a href=\"#common-faults-in-gantry-cranes\">C\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p \u1edf c\u1ea7n tr\u1ee5c c\u1ed5ng tr\u1ee5c<\/a><ul><li><a href=\"#wheel-jamming-fault\">L\u1ed7i k\u1eb9t b\u00e1nh xe<\/a><\/li><li><a href=\"#gearbox-oil-leaks\">R\u00f2 r\u1ec9 d\u1ea7u h\u1ed9p s\u1ed1<\/a><\/li><li><a href=\"#three-phase-ac-motor-faults\">L\u1ed7i \u0111\u1ed9ng c\u01a1 AC ba pha<\/a><\/li><li><a href=\"#brake-failure\">H\u1ecfng phanh<\/a><\/li><li><a href=\"#arm-pivot-point-noises\">Ti\u1ebfng \u1ed3n c\u1ee7a \u0111i\u1ec3m xoay c\u00e1nh tay<\/a><\/li><\/ul><\/li><li><a href=\"#gantry-crane-maintenance-and-repair-key-points\">C\u00e1c \u0111i\u1ec3m ch\u00ednh v\u1ec1 b\u1ea3o tr\u00ec v\u00e0 s\u1eeda ch\u1eefa c\u1ea7n tr\u1ee5c<\/a><ul><li><a href=\"#welding-a-certain-thickness-of-channel-steel\">H\u00e0n m\u1ed9t \u0111\u1ed9 d\u00e0y nh\u1ea5t \u0111\u1ecbnh c\u1ee7a th\u00e9p k\u00eanh<\/a><ul><li><a href=\"#the-necessity-of-welding-channel-steel\">S\u1ef1 c\u1ea7n thi\u1ebft c\u1ee7a vi\u1ec7c h\u00e0n th\u00e9p k\u00eanh<\/a><\/li><li><a href=\"#channel-steel-welding-process\">Quy tr\u00ecnh h\u00e0n th\u00e9p k\u00eanh<\/a><\/li><\/ul><\/li><li><a href=\"#replenishing-gearbox-lubricating-oil\">B\u1ed5 sung d\u1ea7u b\u00f4i tr\u01a1n h\u1ed9p s\u1ed1<\/a><\/li><li><a href=\"#regular-inspection-and-maintenance-of-three-phase-ac-motors\">Ki\u1ec3m tra v\u00e0 b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ecbnh k\u1ef3 \u0111\u1ed9ng c\u01a1 AC ba pha<\/a><ul><li><a href=\"#inspection-and-maintenance-items\">C\u00e1c h\u1ea1ng m\u1ee5c ki\u1ec3m tra v\u00e0 b\u1ea3o tr\u00ec<\/a><\/li><\/ul><\/li><li><a href=\"#inspection-and-maintenance-key-points\">C\u00e1c \u0111i\u1ec3m ch\u00ednh v\u1ec1 ki\u1ec3m tra v\u00e0 b\u1ea3o tr\u00ec<\/a><\/li><li><a href=\"#adjusting-the-brake-rod-nut\">\u0110i\u1ec1u ch\u1ec9nh \u0111ai \u1ed1c thanh phanh<\/a><\/li><li><a href=\"#tightening-the-end-plate-bolts\">Si\u1ebft ch\u1eb7t bu l\u00f4ng t\u1ea5m cu\u1ed1i<\/a><\/li><\/ul><\/li><li><a href=\"#experimental-analysis\">Ph\u00e2n t\u00edch th\u1ef1c nghi\u1ec7m<\/a><\/li><li><a href=\"#conclusion\">S\u1ef1 k\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2025\/06\/Double-Girder-Gantry-Crane-8.jpg\" alt=\"\" class=\"wp-image-13362\"><\/figure>\n\n\n\n<p>C\u1ea7n tr\u1ee5c c\u1ed5ng tr\u1ee5c c\u00f3 c\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p v\u00e0 ho\u1ea1t \u0111\u1ed9ng trong nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau, th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn nhi\u1ec1u l\u1ed7i kh\u00e1c nhau trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng. Nh\u1eefng l\u1ed7i n\u00e0y kh\u00f4ng ch\u1ec9 l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t thi\u1ebft b\u1ecb m\u00e0 c\u00f2n c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn tai n\u1ea1n an to\u00e0n trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p nghi\u00eam tr\u1ecdng. Ph\u00e2n t\u00edch hi\u1ec7u qu\u1ea3 nh\u1eefng l\u1ed7i n\u00e0y v\u00e0 ti\u1ebfn h\u00e0nh nghi\u00ean c\u1ee9u t\u01b0\u01a1ng \u1ee9ng v\u1ec1 c\u00f4ng ngh\u1ec7 b\u1ea3o tr\u00ec v\u00e0 s\u1eeda ch\u1eefa l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t. C\u00f4ng ngh\u1ec7 b\u1ea3o tr\u00ec v\u00e0 s\u1eeda ch\u1eefa l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng c\u1ee7a <a href=\"https:\/\/www.dgcrane.com\/vi\/gantry-cranes\/\">c\u1ea7n tr\u1ee5c c\u1ee7a gi\u00e0n c\u1ea7n c\u1ea9u<\/a>.<\/p>\n\n\n\n<p>Tuy nhi\u00ean, nhi\u1ec1u c\u00f4ng ty hi\u1ec7n nay ch\u01b0a quan t\u00e2m \u0111\u00fang m\u1ee9c \u0111\u1ebfn l\u0129nh v\u1ef1c n\u00e0y, d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng thi\u1ebft b\u1ecb th\u01b0\u1eddng xuy\u00ean b\u1ecb m\u1ecfi, l\u00e0m tr\u1ea7m tr\u1ecdng th\u00eam t\u00ecnh tr\u1ea1ng x\u1ea3y ra s\u1ef1 c\u1ed1. Do \u0111\u00f3, vi\u1ec7c th\u00fac \u0111\u1ea9y v\u00e0 \u0111\u00e0o s\u00e2u nghi\u00ean c\u1ee9u v\u1ec1 c\u00f4ng ngh\u1ec7 b\u1ea3o tr\u00ec v\u00e0 s\u1eeda ch\u1eefa c\u00f3 \u00fd ngh\u0129a k\u00e9p \u0111\u1ed1i v\u1edbi vi\u1ec7c n\u00e2ng cao hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t c\u1ee7a doanh nghi\u1ec7p v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"common-faults-in-gantry-cranes\">C\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p \u1edf c\u1ea7n tr\u1ee5c c\u1ed5ng tr\u1ee5c<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"wheel-jamming-fault\"><strong>L\u1ed7i k\u1eb9t b\u00e1nh xe<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"870\" height=\"580\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2025\/06\/wheel-jamming-fault-in-gantry-cranes.jpg\" alt=\"\" class=\"wp-image-13367\"><\/figure>\n\n\n\n<p>L\u1ed7i k\u1eb9t b\u00e1nh xe trong c\u1ea7n tr\u1ee5c c\u1ed5ng tr\u1ee5c l\u00e0 t\u00ecnh hu\u1ed1ng b\u00e1nh xe c\u1ee7a c\u1ea7n tr\u1ee5c ti\u1ebfp x\u00fac g\u1ea7n b\u1ea5t th\u01b0\u1eddng v\u1edbi b\u1ec1 m\u1eb7t \u0111\u01b0\u1eddng ray trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh, khi\u1ebfn b\u00e1nh xe b\u1ecb k\u1eb9t tr\u00ean \u0111\u01b0\u1eddng ray v\u00e0 ng\u0103n c\u1ea3n chuy\u1ec3n \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng. L\u1ed7i n\u00e0y c\u00f3 th\u1ec3 khi\u1ebfn c\u1ea7n tr\u1ee5c ng\u1eebng ho\u1ea1t \u0111\u1ed9ng v\u00e0 l\u00e0m h\u1ecfng thi\u1ebft b\u1ecb v\u00e0 linh ki\u1ec7n. <\/p>\n\n\n\n<p>B\u00e1nh xe b\u1ecb k\u1eb9t c\u00f3 th\u1ec3 do nhi\u1ec1u y\u1ebfu t\u1ed1 g\u00e2y ra, bao g\u1ed3m m\u00f2n ho\u1eb7c bi\u1ebfn d\u1ea1ng \u0111\u01b0\u1eddng ray, m\u00f2n ho\u1eb7c h\u01b0 h\u1ecfng b\u00e1nh xe, l\u1ed7i trong h\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb ho\u1eb7c kh\u00f4ng hi\u1ec7u chu\u1ea9n \u0111\u01b0\u1ee3c v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1edbi h\u1ec7 th\u1ed1ng b\u00f4i tr\u01a1n. L\u1ed7i n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd v\u00e0 s\u1eeda ch\u1eefa k\u1ecbp th\u1eddi \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng c\u1ee7a c\u1ea7n c\u1ea9u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"gearbox-oil-leaks\"><strong>R\u00f2 r\u1ec9 d\u1ea7u h\u1ed9p s\u1ed1<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"667\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2025\/06\/Crane-gearbox-oil-leakage.jpeg\" alt=\"\" class=\"wp-image-13371\"><\/figure>\n\n\n\n<p>R\u00f2 r\u1ec9 d\u1ea7u h\u1ed9p s\u1ed1 l\u00e0 m\u1ed9t trong nh\u1eefng l\u1ed7i th\u01b0\u1eddng g\u1eb7p \u1edf c\u1ea7n tr\u1ee5c c\u1ed5ng tr\u1ee5c. L\u1ed7i n\u00e0y th\u01b0\u1eddng l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a nhi\u1ec1u y\u1ebfu t\u1ed1. \u0110\u1ea7u ti\u00ean, thi\u1ebft k\u1ebf h\u1ed9p s\u1ed1 kh\u00f4ng ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn r\u00f2 r\u1ec9 d\u1ea7u. N\u1ebfu h\u1ed9p s\u1ed1 kh\u00f4ng c\u00f3 l\u1ed7 th\u00f4ng h\u01a1i ho\u1eb7c n\u00fat kh\u00ed \u0111\u01b0\u1ee3c \u0111\u1eb7t \u0111\u00fang c\u00e1ch, \u00e1p su\u1ea5t b\u00ean trong thay \u0111\u1ed5i trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 khi\u1ebfn d\u1ea7u b\u00f4i tr\u01a1n r\u00f2 r\u1ec9 ra ngo\u00e0i t\u1eeb c\u00e1c khe h\u1edf. Th\u1ee9 hai, n\u1ebfu b\u1ec1 m\u1eb7t gh\u00e9p n\u1ed1i c\u1ee7a v\u1ecf h\u1ed9p s\u1ed1 kh\u00f4ng \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 dung sai cao ho\u1eb7c n\u1ebfu l\u1eafp \u0111\u1eb7t kh\u00f4ng \u0111\u00fang c\u00e1ch, c\u00f3 th\u1ec3 g\u00e2y ra t\u00ecnh tr\u1ea1ng b\u1ecbt k\u00edn k\u00e9m, d\u1eabn \u0111\u1ebfn r\u00f2 r\u1ec9.<\/p>\n\n\n\n<p>Ngo\u00e0i ra, c\u00e1c quy tr\u00ecnh \u0111\u00fac k\u00e9m, thi\u1ebfu x\u1eed l\u00fd nhi\u1ec7t ho\u1eb7c x\u1eed l\u00fd l\u00e3o h\u00f3a c\u1ea7n thi\u1ebft c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn bi\u1ebfn d\u1ea1ng v\u00e0 khe h\u1edf trong v\u1eadt \u0111\u00fac, c\u0169ng g\u00f3p ph\u1ea7n g\u00e2y r\u00f2 r\u1ec9. Cu\u1ed1i c\u00f9ng, l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o d\u01b0\u1ee1ng kh\u00f4ng \u0111\u00fang c\u00e1ch c\u0169ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn r\u00f2 r\u1ec9 d\u1ea7u. N\u1ebfu c\u00e1c ch\u1ed1t c\u1ee7a h\u1ed9p s\u1ed1 kh\u00f4ng \u0111\u01b0\u1ee3c si\u1ebft ch\u1eb7t ho\u1eb7c n\u1ebfu b\u1ec1 m\u1eb7t b\u1ecbt k\u00edn kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ecbt k\u00edn \u0111\u1ea7y \u0111\u1ee7 trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t, d\u1ea7u b\u00f4i tr\u01a1n c\u00f3 th\u1ec3 r\u00f2 r\u1ec9 t\u1eeb c\u00e1c khe h\u1edf.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"three-phase-ac-motor-faults\"><strong>L\u1ed7i \u0111\u1ed9ng c\u01a1 AC ba pha<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"875\" height=\"583\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2025\/06\/Crane-motor-failure.jpeg\" alt=\"\" class=\"wp-image-13376\"><\/figure>\n\n\n\n<p>L\u1ed7i \u1edf \u0111\u1ed9ng c\u01a1 AC ba pha c\u1ee7a c\u1ea7n tr\u1ee5c gi\u00e0n l\u00e0 ph\u1ed5 bi\u1ebfn v\u00e0 c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 ph\u00e1 h\u1ee7y. Nh\u1eefng l\u1ed7i n\u00e0y th\u01b0\u1eddng xuy\u00ean x\u1ea3y ra trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh c\u1ea7n tr\u1ee5c. Khi \u0111\u1ed9ng c\u01a1 ch\u1ea1y trong \u0111i\u1ec1u ki\u1ec7n qu\u00e1 t\u1ea3i trong th\u1eddi gian d\u00e0i, nhi\u1ec7t \u0111\u1ed9 s\u1ebd t\u0103ng qu\u00e1 m\u1ee9c, c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng l\u1edbp c\u00e1ch \u0111i\u1ec7n c\u1ee7a cu\u1ed9n d\u00e2y \u0111\u1ed9ng c\u01a1 v\u00e0 d\u1eabn \u0111\u1ebfn l\u00e3o h\u00f3a v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n, c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y ra \u0111o\u1ea3n m\u1ea1ch ho\u1eb7c h\u1edf m\u1ea1ch cu\u1ed9n d\u00e2y.<\/p>\n\n\n\n<p>Do \u0111\u00f3, vi\u1ec7c ki\u1ec3m tra, b\u1ea3o d\u01b0\u1ee1ng v\u00e0 ch\u0103m s\u00f3c \u0111\u1ed9ng c\u01a1 th\u01b0\u1eddng xuy\u00ean l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a \u0111\u1ed9ng c\u01a1. C\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 \u0111i\u1ec7n \u00e1p kh\u00f4ng \u1ed5n \u0111\u1ecbnh, m\u1ea5t pha ho\u1eb7c s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a s\u00f3ng h\u00e0i c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng c\u1ee7a \u0111\u1ed9ng c\u01a1. \u0110\u1eb7c bi\u1ec7t, m\u1ea5t pha khi\u1ebfn \u0111\u1ed9ng c\u01a1 ho\u1ea1t \u0111\u1ed9ng \u1edf tr\u1ea1ng th\u00e1i m\u1ea5t c\u00e2n b\u1eb1ng, t\u1ea1o ra nhi\u1ec7t v\u00e0 \u0111\u1ed9 rung qu\u00e1 m\u1ee9c, l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 h\u01b0 h\u1ecfng c\u1ee7a \u0111\u1ed9ng c\u01a1.<\/p>\n\n\n\n<p>Ngo\u00e0i ra, c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong \u0111\u1ed9ng c\u01a1 nh\u01b0 cu\u1ed9n d\u00e2y, \u1ed5 tr\u1ee5c v\u00e0 r\u00f4to c\u00f3 th\u1ec3 b\u1ecb h\u1ecfng do s\u1eed d\u1ee5ng l\u00e2u ng\u00e0y ho\u1eb7c b\u1ea3o tr\u00ec kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7, d\u1eabn \u0111\u1ebfn c\u00e1c l\u1ed7i nh\u01b0 \u0111o\u1ea3n m\u1ea1ch cu\u1ed9n d\u00e2y, m\u00f2n \u1ed5 tr\u1ee5c v\u00e0 m\u1ea5t c\u00e2n b\u1eb1ng r\u00f4to, l\u00e0m gi\u00e1n \u0111o\u1ea1n ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng c\u1ee7a \u0111\u1ed9ng c\u01a1.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"brake-failure\"><strong>H\u1ecfng phanh<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"870\" height=\"580\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2025\/06\/crane-brakes.webp\" alt=\"\" class=\"wp-image-13370\"><\/figure>\n\n\n\n<p>S\u1ef1 c\u1ed1 phanh trong c\u1ea7n tr\u1ee5c gi\u00e0n th\u01b0\u1eddng do th\u1eddi gian l\u00e0m vi\u1ec7c k\u00e9o d\u00e0i. Ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c d\u1eabn \u0111\u1ebfn hao m\u00f2n \u0111\u00e1ng k\u1ec3 b\u00ean trong h\u1ec7 th\u1ed1ng phanh, bao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n nh\u01b0 l\u00f5i s\u1eaft v\u00e0 thanh th\u1ee7y l\u1ef1c, d\u1ea7n m\u1ea5t ch\u1ee9c n\u0103ng, l\u00e0m gi\u1ea3m m\u00f4-men xo\u1eafn phanh.<\/p>\n\n\n\n<p>Ngo\u00e0i ra, m\u1ea1ch \u0111i\u1ec7n b\u00ean trong c\u1ee7a phanh c\u00f3 th\u1ec3 b\u1ecb h\u1ecfng, d\u1eabn \u0111\u1ebfn h\u01b0 h\u1ecfng c\u00e1c b\u1ed9 ph\u1eadn v\u00e0 cu\u1ed9n d\u00e2y. N\u1ebfu b\u1ec1 m\u1eb7t b\u00e1nh phanh t\u00edch t\u1ee5 qu\u00e1 nhi\u1ec1u b\u1ee5i b\u1ea9n v\u00e0 m\u1ea3nh v\u1ee5n, \u0111i\u1ec1u n\u00e0y c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng phanh. Vi\u1ec7c b\u00f4i tr\u01a1n k\u00e9m c\u00e1c thanh \u0111\u1ea9y th\u1ee7y l\u1ef1c v\u00e0 cu\u1ed9n d\u00e2y \u0111i\u1ec7n t\u1eeb ho\u1eb7c s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a kh\u00f4ng kh\u00ed d\u01b0 th\u1eeba c\u00f3 th\u1ec3 khi\u1ebfn c\u00e1c \u0111i\u1ec3m b\u1ea3n l\u1ec1 c\u1ee7a c\u1ea7n c\u1ea9u b\u1ecb k\u1eb9t, ng\u0103n c\u1ea3n phanh ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"arm-pivot-point-noises\"><strong>Ti\u1ebfng \u1ed3n c\u1ee7a \u0111i\u1ec3m xoay c\u00e1nh tay<\/strong><\/h3>\n\n\n\n<p>Trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh th\u01b0\u1eddng xuy\u00ean, c\u1ea7n tr\u1ee5c c\u1ed5ng tr\u1ee5c ph\u1ea3i ch\u1ecbu nh\u1eefng t\u00e1c \u0111\u1ed9ng m\u1ea1nh. L\u1ef1c li\u00ean t\u1ee5c khi\u1ebfn c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a c\u1ea7n tr\u1ee5c b\u1ecb l\u00e3o h\u00f3a v\u00e0 m\u00f2n. C\u00e1c \u0111i\u1ec3m tr\u1ee5c, \u0111\u00f3ng vai tr\u00f2 l\u00e0 b\u1ed9 ph\u1eadn k\u1ebft n\u1ed1i quan tr\u1ecdng cho c\u00e1nh tay c\u1ea7n tr\u1ee5c, l\u00e0 nh\u1eefng v\u1ecb tr\u00ed th\u01b0\u1eddng x\u1ea3y ra l\u1ed7i. Trong qu\u00e1 tr\u00ecnh di chuy\u1ec3n c\u1ea7n tr\u1ee5c, n\u1ebfu c\u00f3 v\u1eadt l\u1ea1 d\u1ea1ng b\u1ed9t ho\u1eb7c d\u1ea1ng h\u1ea1t b\u00ean trong c\u00e1c \u0111i\u1ec3m tr\u1ee5c, ch\u00fang c\u00f3 th\u1ec3 c\u1ea3n tr\u1edf ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng c\u1ee7a tr\u1ee5c v\u00e0 t\u1ea1o ra ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1181\" height=\"787\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2025\/06\/Lower-hinge-point-structure-of-the-gantry-crane-boom.jpg\" alt=\"\" class=\"wp-image-13364\"><\/figure>\n\n\n\n<p>M\u1ed9t v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn kh\u00e1c l\u00e0 bu l\u00f4ng \u1edf \u0111\u1ea7u tr\u1ee5c b\u1ecb l\u1ecfng ho\u1eb7c g\u00e3y. Nh\u1eefng bu l\u00f4ng n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u1ed1 \u0111\u1ecbnh \u0111\u1ea7u tr\u1ee5c v\u00e0 n\u1ebfu ch\u00fang b\u1ecb l\u1ecfng ho\u1eb7c g\u00e3y, \u0111\u1ea7u tr\u1ee5c c\u00f3 th\u1ec3 b\u1ecb d\u1ecbch chuy\u1ec3n ho\u1eb7c rung, do \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh c\u1ee7a c\u1ea7n tr\u1ee5c. V\u1ea5n \u0111\u1ec1 n\u00e0y kh\u00f4ng ch\u1ec9 g\u00e2y ra ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng m\u00e0 c\u00f2n g\u00e2y ra r\u1ee7i ro an to\u00e0n cho to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng c\u1ea7n tr\u1ee5c. N\u1ebfu c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 \u0111i\u1ec3m xoay nh\u01b0 v\u1eady kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n v\u00e0 x\u1eed l\u00fd k\u1ecbp th\u1eddi, ch\u00fang kh\u00f4ng ch\u1ec9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng c\u1ee7a c\u1ea7n tr\u1ee5c m\u00e0 c\u00f2n g\u00e2y ra c\u00e1c m\u1ed1i nguy hi\u1ec3m ti\u1ec1m \u1ea9n v\u1ec1 an to\u00e0n cho s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"gantry-crane-maintenance-and-repair-key-points\">C\u00e1c \u0111i\u1ec3m ch\u00ednh v\u1ec1 b\u1ea3o tr\u00ec v\u00e0 s\u1eeda ch\u1eefa c\u1ea7n tr\u1ee5c<\/h2>\n\n\n\n<p>C\u1ea7n tr\u1ee5c c\u1ed5ng tr\u1ee5c l\u00e0 thi\u1ebft b\u1ecb h\u1ea1ng n\u1eb7ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p kh\u00e1c nhau v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh c\u1ee7a ch\u00fang \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi s\u1ef1 tr\u01a1n tru c\u1ee7a c\u00e1c quy tr\u00ecnh s\u1ea3n xu\u1ea5t. Tuy nhi\u00ean, do c\u1ea5u tr\u00fac c\u01a1 h\u1ecdc v\u00e0 m\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng ph\u1ee9c t\u1ea1p, c\u1ea7n tr\u1ee5c c\u1ed5ng tr\u1ee5c d\u1ec5 g\u1eb7p ph\u1ea3i nhi\u1ec1u l\u1ed7i kh\u00e1c nhau. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng, vi\u1ec7c b\u1ea3o d\u01b0\u1ee1ng v\u00e0 s\u1eeda ch\u1eefa ph\u00f9 h\u1ee3p l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"welding-a-certain-thickness-of-channel-steel\"><strong>H\u00e0n m\u1ed9t \u0111\u1ed9 d\u00e0y nh\u1ea5t \u0111\u1ecbnh c\u1ee7a th\u00e9p k\u00eanh<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"the-necessity-of-welding-channel-steel\"><strong>S\u1ef1 c\u1ea7n thi\u1ebft c\u1ee7a vi\u1ec7c h\u00e0n th\u00e9p k\u00eanh<\/strong><\/h4>\n\n\n\n<p>H\u00e0n m\u1ed9t \u0111\u1ed9 d\u00e0y nh\u1ea5t \u0111\u1ecbnh c\u1ee7a th\u00e9p k\u00eanh trong c\u1ea7n tr\u1ee5c c\u1ed5ng tr\u1ee5c ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a k\u1ebft c\u1ea5u. Th\u00e9p k\u00eanh l\u00e0 v\u1eadt li\u1ec7u k\u1ebft c\u1ea5u kim lo\u1ea1i ph\u1ed5 bi\u1ebfn c\u00f3 m\u1eb7t c\u1eaft h\u00ecnh r\u00e3nh c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c l\u1ef1c u\u1ed1n v\u00e0 l\u1ef1c c\u1eaft \u0111\u00e1ng k\u1ec3. Do \u0111\u00f3, n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u d\u1ef1 \u00e1n k\u1ebft c\u1ea5u kh\u00e1c nhau.<\/p>\n\n\n\n<p>B\u1eb1ng c\u00e1ch h\u00e0n m\u1ed9t \u0111\u1ed9 d\u00e0y nh\u1ea5t \u0111\u1ecbnh c\u1ee7a th\u00e9p k\u00eanh \u1edf nh\u1eefng khu v\u1ef1c quan tr\u1ecdng, s\u1ee9c m\u1ea1nh v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh t\u1ed5ng th\u1ec3 c\u1ee7a k\u1ebft c\u1ea5u \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng, c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a c\u1ea7n tr\u1ee5c c\u1ed5ng tr\u1ee5c. \u0110\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn c\u1ea7n di chuy\u1ec3n ho\u1eb7c rung th\u01b0\u1eddng xuy\u00ean, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u01b0\u1eddng ray c\u1ee7a c\u1ea7n tr\u1ee5c ho\u1eb7c d\u1ea7m n\u00e2ng, h\u00e0n th\u00e9p k\u00eanh \u1edf \u0111\u1ed9 d\u00e0y th\u00edch h\u1ee3p c\u00f3 th\u1ec3 t\u0103ng \u0111\u1ed9 tin c\u1eady v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a c\u00e1c k\u1ebft n\u1ed1i, gi\u1ea3m kh\u1ea3 n\u0103ng x\u1ea3y ra s\u1ef1 c\u1ed1 an to\u00e0n do k\u1ebft n\u1ed1i l\u1ecfng l\u1ebbo.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"channel-steel-welding-process\"><strong>Quy tr\u00ecnh h\u00e0n th\u00e9p k\u00eanh<\/strong><\/h4>\n\n\n\n<p>\u0110\u1ea7u ti\u00ean, lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n d\u1ea7u, r\u1ec9 s\u00e9t v\u00e0 c\u00e1c t\u1ea1p ch\u1ea5t kh\u00e1c kh\u1ecfi b\u1ec1 m\u1eb7t th\u00e9p k\u00eanh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng h\u00e0n. Ti\u1ebfp theo, ch\u1ecdn \u0111\u1ed9 d\u00e0y th\u00edch h\u1ee3p c\u1ee7a th\u00e9p k\u00eanh, th\u01b0\u1eddng l\u00e0 t\u1ea5m th\u00e9p 30-40mm. Sau \u0111\u00f3, s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb h\u00e0n nh\u01b0 m\u00e1y h\u00e0n, \u0111i\u1ec7n c\u1ef1c, g\u0103ng tay v\u00e0 k\u00ednh b\u1ea3o h\u1ed9 \u0111\u1ec3 \u0111\u1ecbnh v\u1ecb th\u00e9p k\u00eanh \u1edf \u0111\u00fang v\u1ecb tr\u00ed v\u00e0 s\u1eed d\u1ee5ng m\u00e1y h\u00e0n \u0111\u1ec3 k\u1ebft n\u1ed1i hai m\u1ea3nh th\u00e9p k\u00eanh.<\/p>\n\n\n\n<p>Sau khi h\u00e0n, h\u00e3y ki\u1ec3m tra c\u1ea9n th\u1eadn c\u00e1c m\u1ed1i h\u00e0n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 m\u1ecbn v\u00e0 \u0111\u1ed9 c\u1ee9ng, \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f3 l\u1ed7 r\u1ed7ng, t\u1ea1p ch\u1ea5t x\u1ec9 ho\u1eb7c c\u00e1c v\u1ea5n \u0111\u1ec1 kh\u00e1c. N\u1ebfu ph\u00e1t hi\u1ec7n b\u1ea5t k\u1ef3 khuy\u1ebft t\u1eadt n\u00e0o, c\u1ea7n ph\u1ea3i s\u1eeda ch\u1eefa ngay l\u1eadp t\u1ee9c. Khi c\u00e1c m\u1ed1i h\u00e0n \u0111\u1ea1t ti\u00eau chu\u1ea9n y\u00eau c\u1ea7u, h\u00e3y th\u00e1o c\u00e1c d\u1ee5ng c\u1ee5 c\u1ed1 \u0111\u1ecbnh. Trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf, c\u1ea7n ph\u1ea3i \u0111i\u1ec1u ch\u1ec9nh v\u00e0 c\u1ea3i ti\u1ebfn khi c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 an to\u00e0n khi h\u00e0n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"replenishing-gearbox-lubricating-oil\"><strong>B\u1ed5 sung d\u1ea7u b\u00f4i tr\u01a1n h\u1ed9p s\u1ed1<\/strong><\/h3>\n\n\n\n<p>Vi\u1ec7c b\u1ed5 sung d\u1ea7u b\u00f4i tr\u01a1n b\u00e1nh r\u0103ng v\u00e0o h\u1ed9p s\u1ed1 c\u1ee7a c\u1ea7n tr\u1ee5c c\u1ed5ng tr\u1ee5c l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a h\u1ed9p s\u1ed1.<\/p>\n\n\n\n<p>Tr\u01b0\u1edbc ti\u00ean, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u1ea7n c\u1ea9u \u0111\u01b0\u1ee3c \u0111\u1ed7 tr\u00ean m\u1ed9t b\u1ec1 m\u1eb7t ph\u1eb3ng v\u00e0 v\u1ec7 sinh s\u1ea1ch s\u1ebd m\u1ecdi m\u1ea3nh v\u1ee5n xung quanh h\u1ed9p s\u1ed1. Chu\u1ea9n b\u1ecb c\u00e1c c\u00f4ng c\u1ee5 c\u1ea7n thi\u1ebft, bao g\u1ed3m d\u1ea7u b\u00f4i tr\u01a1n, m\u1ed9t th\u00f9ng d\u1ea7u v\u00e0 m\u1ed9t ph\u1ec5u d\u1ea7u. M\u1edf l\u1ed7 ki\u1ec3m tra m\u1ee9c d\u1ea7u h\u1ed9p s\u1ed1 v\u00e0 x\u1ea3 h\u1ebft d\u1ea7u c\u0169 v\u00e0o th\u00f9ng d\u1ea7u \u0111\u00e3 chu\u1ea9n b\u1ecb. \u0110\u1ea3m b\u1ea3o r\u1eb1ng d\u1ea7u \u0111\u00e3 x\u1ea3 tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh v\u1ec1 m\u00f4i tr\u01b0\u1eddng t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng v\u00e0 kh\u00f4ng b\u1ecb th\u1ea3i b\u1ecf kh\u00f4ng \u0111\u00fang c\u00e1ch. S\u1eed d\u1ee5ng ch\u1ea5t t\u1ea9y r\u1eeda \u0111\u1eb7c bi\u1ec7t ho\u1eb7c d\u1ea7u diesel \u0111\u1ec3 v\u1ec7 sinh b\u1ec1 m\u1eb7t b\u00ean trong v\u00e0 b\u00ean ngo\u00e0i h\u1ed9p s\u1ed1, tr\u00e1nh c\u00e1c ch\u1ea5t t\u1ea9y r\u1eeda c\u00f3 th\u1ec3 \u0103n m\u00f2n kim lo\u1ea1i. Sau khi v\u1ec7 sinh, h\u00e3y lau b\u1ec1 m\u1eb7t h\u1ed9p s\u1ed1 b\u1eb1ng v\u1ea3i s\u1ea1ch.<\/p>\n\n\n\n<p>Ti\u1ebfp theo, ki\u1ec3m tra m\u1ee9c d\u1ea7u b\u1eb1ng c\u00e1ch m\u1edf l\u1ed7 ch\u00e2m d\u1ea7u c\u1ee7a h\u1ed9p s\u1ed1 \u0111\u1ec3 x\u00e1c minh m\u1ee9c d\u1ea7u ph\u00f9 h\u1ee3p. \u0110\u1ea3m b\u1ea3o m\u1ee9c d\u1ea7u kh\u00f4ng qu\u00e1 cao ho\u1eb7c qu\u00e1 th\u1ea5p. D\u1ef1a tr\u00ean ki\u1ec3u h\u1ed9p s\u1ed1 v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, h\u00e3y th\u00eam l\u01b0\u1ee3ng d\u1ea7u b\u00f4i tr\u01a1n th\u00edch h\u1ee3p. C\u1ea9n th\u1eadn kh\u00f4ng \u0111\u1ed5 qu\u00e1 \u0111\u1ea7y h\u1ed9p s\u1ed1, v\u00ec \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn l\u00e3ng ph\u00ed ho\u1eb7c qu\u00e1 nhi\u1ec7t.<\/p>\n\n\n\n<p>Cu\u1ed1i c\u00f9ng, ki\u1ec3m tra \u0111\u1ed9 k\u00edn c\u1ee7a h\u1ed9p s\u1ed1 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f3 r\u00f2 r\u1ec9 d\u1ea7u. N\u1ebfu ph\u00e1t hi\u1ec7n b\u1ea5t k\u1ef3 r\u00f2 r\u1ec9 n\u00e0o, h\u00e3y x\u1eed l\u00fd ngay \u0111\u1ec3 tr\u00e1nh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a h\u1ed9p s\u1ed1.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"regular-inspection-and-maintenance-of-three-phase-ac-motors\"><strong>Ki\u1ec3m tra v\u00e0 b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ecbnh k\u1ef3 \u0111\u1ed9ng c\u01a1 AC ba pha<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"inspection-and-maintenance-items\"><strong>C\u00e1c h\u1ea1ng m\u1ee5c ki\u1ec3m tra v\u00e0 b\u1ea3o tr\u00ec<\/strong><\/h4>\n\n\n\n<p>B\u1ea3o d\u01b0\u1ee1ng ho\u1eb7c s\u1eeda ch\u1eefa \u0111\u1ecbnh k\u1ef3 \u0111\u1ed9ng c\u01a1 AC ba pha ph\u1ea3i lu\u00f4n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf tr\u1ea1ng th\u00e1i t\u1eaft ngu\u1ed3n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho c\u1ea3 ng\u01b0\u1eddi v\u00e0 m\u00e1y m\u00f3c. C\u00e1c h\u1ea1ng m\u1ee5c b\u1ea3o d\u01b0\u1ee1ng v\u00e0 ki\u1ec3m tra h\u00e0ng ng\u00e0y \u0111\u1ed1i v\u1edbi \u0111\u1ed9ng c\u01a1 AC ba pha \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n trong b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>M\u1ee5c<\/strong><\/td><td><strong>S\u1ef1 mi\u00eau t\u1ea3<\/strong><\/td><td><strong>T\u00ednh th\u01b0\u1eddng xuy\u00ean<\/strong><\/td><\/tr><tr><td>Ho\u1ea1t \u0111\u1ed9ng c\u1eaft \u0111i\u1ec7n<\/td><td>\u0110\u1ea3m b\u1ea3o ngu\u1ed3n \u0111i\u1ec7n \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1eaft<\/td><td>M\u1ed7i l\u1ea7n b\u1ea3o tr\u00ec<\/td><\/tr><tr><td>Theo d\u00f5i nhi\u1ec7t \u0111\u1ed9<\/td><td>Ki\u1ec3m tra nhi\u1ec7t \u0111\u1ed9 linh ki\u1ec7n<\/td><td>Ngay sau khi ph\u1eabu thu\u1eadt<\/td><\/tr><tr><td>V\u00f2ng quay \u0111\u1ec1u \u0111\u1eb7n<\/td><td>Xoay khi kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng trong th\u1eddi gian d\u00e0i<\/td><td>\u00cdt nh\u1ea5t m\u1ed9t l\u1ea7n m\u1ed9t th\u00e1ng<\/td><\/tr><tr><td>Quan s\u00e1t \u00e2m thanh v\u00e0 m\u00f9i<\/td><td>T\u00ecm ki\u1ebfm \u00e2m thanh b\u1ea5t th\u01b0\u1eddng ho\u1eb7c m\u00f9i kh\u00e9t<\/td><td>Li\u00ean t\u1ee5c trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng<\/td><\/tr><tr><td>Gi\u00e1m s\u00e1t rung \u0111\u1ed9ng<\/td><td>Theo d\u00f5i t\u1ea7n s\u1ed1 v\u00e0 bi\u00ean \u0111\u1ed9 rung \u0111\u1ed9ng b\u1ea5t th\u01b0\u1eddng<\/td><td>Li\u00ean t\u1ee5c trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng<\/td><\/tr><tr><td>Ki\u1ec3m tra nhi\u1ec7t \u0111\u1ed9 \u1ed5 tr\u1ee5c<\/td><td>Ng\u0103n ng\u1eeba qu\u00e1 nhi\u1ec7t v\u00e0 r\u00f2 r\u1ec9 d\u1ea7u<\/td><td>Li\u00ean t\u1ee5c trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng<\/td><\/tr><tr><td>Ki\u1ec3m tra thi\u1ec7t h\u1ea1i v\u1ecf<\/td><td>Ki\u1ec3m tra xem v\u1ecf c\u00f3 b\u1ecb h\u01b0 h\u1ecfng kh\u00f4ng<\/td><td>Ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean (v\u00ed d\u1ee5: h\u00e0ng th\u00e1ng)<\/td><\/tr><tr><td>V\u1ec7 sinh b\u00ean trong<\/td><td>L\u00e0m s\u1ea1ch v\u1ebft d\u1ea7u m\u1ee1, v\u1ebft n\u01b0\u1edbc, v.v.<\/td><td>V\u1ec7 sinh th\u01b0\u1eddng xuy\u00ean (v\u00ed d\u1ee5: h\u00e0ng qu\u00fd)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"inspection-and-maintenance-key-points\"><strong>C\u00e1c \u0111i\u1ec3m ch\u00ednh v\u1ec1 ki\u1ec3m tra v\u00e0 b\u1ea3o tr\u00ec<\/strong><\/h3>\n\n\n\n<p>B\u1ea3o d\u01b0\u1ee1ng h\u00e0ng ng\u00e0y \u0111\u00fang c\u00e1ch cho \u0111\u1ed9ng c\u01a1 kh\u00f4ng \u0111\u1ed3ng b\u1ed9 ba pha l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng c\u1ee7a ch\u00fang. Khi c\u1ea7n tr\u1ee5c c\u1ed5ng tr\u1ee5c kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng trong th\u1eddi gian d\u00e0i, c\u1ea7n ph\u1ea3i ch\u1ea1y \u0111\u1ed9ng c\u01a1 m\u1ed9t l\u1ea7n m\u1ed9t th\u00e1ng v\u00e0 \u0111\u1ea3m b\u1ea3o b\u1ed9 ph\u1eadn gia nhi\u1ec7t c\u1ee7a \u0111\u1ed9ng c\u01a1 \u0111ang ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec3 tr\u00e1nh l\u00e0m h\u1ecfng m\u1ed9t s\u1ed1 b\u1ed9 ph\u1eadn khi kh\u1edfi \u0111\u1ed9ng. Trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh \u0111\u1ed9ng c\u01a1, h\u00e3y quan s\u00e1t k\u1ef9 \u00e2m thanh, m\u00f9i, t\u1ea7n s\u1ed1 rung v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a \u0111\u1ed9ng c\u01a1.<\/p>\n\n\n\n<p>N\u1ebfu ph\u00e1t hi\u1ec7n m\u00f9i kh\u00e9t, h\u00e3y d\u1eebng ho\u1ea1t \u0111\u1ed9ng ngay l\u1eadp t\u1ee9c v\u00e0 ki\u1ec3m tra c\u00e1c cu\u1ed9n d\u00e2y v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c \u0111\u1ec3 tr\u00e1nh \u0111i\u1ec7n \u00e1p qu\u00e1 m\u1ee9c \u1edf c\u00e1c khu v\u1ef1c quan tr\u1ecdng. Ngo\u00e0i ra, h\u00e3y ch\u00fa \u00fd xem \u1ed5 tr\u1ee5c c\u00f3 b\u1ecb qu\u00e1 nhi\u1ec7t trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh \u0111\u1ed9ng c\u01a1 kh\u00f4ng. Khi \u0111\u1ed9ng c\u01a1 kh\u00f4ng ch\u1ea1y, ngo\u00e0i vi\u1ec7c xoay \u0111\u1ed9ng c\u01a1 \u0111\u1ecbnh k\u1ef3, h\u00e3y ki\u1ec3m tra xem v\u1ecf \u0111\u1ed9ng c\u01a1 c\u00f3 b\u1ecb h\u01b0 h\u1ecfng kh\u00f4ng. C\u1ea7n v\u1ec7 sinh b\u00ean trong \u0111\u1ed9ng c\u01a1 th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 ng\u0103n n\u01b0\u1edbc, d\u1ea7u v\u00e0 c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m kh\u00e1c x\u00e2m nh\u1eadp v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9ng c\u01a1 lu\u00f4n s\u1ea1ch s\u1ebd.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"adjusting-the-brake-rod-nut\"><strong>\u0110i\u1ec1u ch\u1ec9nh \u0111ai \u1ed1c thanh phanh<\/strong><\/h3>\n\n\n\n<p>\u0110i\u1ec1u ch\u1ec9nh \u0111ai \u1ed1c thanh phanh l\u00e0 m\u1ed9t nhi\u1ec7m v\u1ee5 thi\u1ebft y\u1ebfu trong qu\u00e1 tr\u00ecnh b\u1ea3o d\u01b0\u1ee1ng v\u00e0 s\u1eeda ch\u1eefa c\u1ea7n tr\u1ee5c c\u1ed5ng tr\u1ee5c, nh\u1eb1m \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng phanh ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a h\u1ec7 th\u1ed1ng. Tr\u01b0\u1edbc khi \u0111i\u1ec1u ch\u1ec9nh, h\u00e3y ki\u1ec3m tra xem \u0111ai \u1ed1c thanh phanh c\u00f3 b\u1ecb l\u1ecfng ho\u1eb7c h\u01b0 h\u1ecfng kh\u00f4ng. N\u1ebfu ph\u00e1t hi\u1ec7n b\u1ea5t k\u1ef3 b\u1ea5t th\u01b0\u1eddng n\u00e0o, h\u00e3y x\u1eed l\u00fd ngay \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh \u0111i\u1ec1u ch\u1ec9nh di\u1ec5n ra su\u00f4n s\u1ebb. S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 \u0111\u1ec3 xoay \u0111ai \u1ed1c thanh phanh khi c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n<p>Trong qu\u00e1 tr\u00ecnh \u0111i\u1ec1u ch\u1ec9nh, h\u00e3y ch\u00fa \u00fd \u0111\u1ebfn l\u1ef1c t\u00e1c d\u1ee5ng \u0111\u1ec3 tr\u00e1nh si\u1ebft qu\u00e1 ch\u1eb7t, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn g\u00e3y thanh ho\u1eb7c h\u1ec7 th\u1ed1ng phanh ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng b\u00ecnh th\u01b0\u1eddng. Sau khi \u0111i\u1ec1u ch\u1ec9nh, h\u00e3y \u0111\u1ea3m b\u1ea3o \u0111ai \u1ed1c thanh phanh \u0111\u01b0\u1ee3c si\u1ebft ch\u1eb7t ch\u1eafc ch\u1eafn m\u00e0 kh\u00f4ng c\u00f3 d\u1ea5u hi\u1ec7u l\u1ecfng l\u1ebbo v\u00e0 ki\u1ec3m tra hi\u1ec7u su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng phanh. N\u1ebfu hi\u1ec7u su\u1ea5t phanh kh\u00f4ng \u0111\u1ea1t y\u00eau c\u1ea7u, c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i \u0111i\u1ec1u ch\u1ec9nh th\u00eam ho\u1eb7c thay th\u1ebf c\u00e1c th\u00e0nh ph\u1ea7n li\u00ean quan. C\u1ea7n b\u1ea3o d\u01b0\u1ee1ng v\u00e0 ki\u1ec3m tra h\u1ec7 th\u1ed1ng phanh th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng. Ngo\u00e0i vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh \u0111ai \u1ed1c thanh, c\u1ea7n v\u1ec7 sinh h\u1ec7 th\u1ed1ng phanh \u0111\u1ecbnh k\u1ef3 v\u00e0 ki\u1ec3m tra xem c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 b\u1ecb m\u00f2n ho\u1eb7c l\u1ecfng l\u1ebbo b\u1ea5t th\u01b0\u1eddng kh\u00f4ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"tightening-the-end-plate-bolts\"><strong>Si\u1ebft ch\u1eb7t bu l\u00f4ng t\u1ea5m cu\u1ed1i<\/strong><\/h3>\n\n\n\n<p>Si\u1ebft ch\u1eb7t bu l\u00f4ng t\u1ea5m cu\u1ed1i l\u00e0 m\u1ed9t nhi\u1ec7m v\u1ee5 quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh b\u1ea3o d\u01b0\u1ee1ng c\u1ea7n tr\u1ee5c c\u1ed5ng tr\u1ee5c. C\u00e1c bu l\u00f4ng n\u00e0y c\u1ed1 \u0111\u1ecbnh c\u00e1c t\u1ea5m cu\u1ed1i \u0111\u1ec3 tr\u00e1nh b\u1ecb d\u1ecbch chuy\u1ec3n ho\u1eb7c l\u1eadt trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh. \u0110\u1ec3 ng\u0103n ng\u1eeba c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 ti\u1ebfng \u0111\u1ed9ng b\u1ea5t th\u01b0\u1eddng t\u1eeb c\u00e1c \u0111i\u1ec3m b\u1ea3n l\u1ec1 c\u1ee7a tay, c\u1ea7n t\u0103ng c\u01b0\u1eddng ki\u1ec3m tra h\u00e0ng ng\u00e0y v\u00e0 si\u1ebft ch\u1eb7t b\u1ea5t k\u1ef3 bu l\u00f4ng t\u1ea5m cu\u1ed1i n\u00e0o b\u1ecb l\u1ecfng trong khi d\u1ecdn s\u1ea1ch m\u1ecdi m\u1ea3nh v\u1ee5n.<\/p>\n\n\n\n<p>S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 th\u00edch h\u1ee3p, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u1edd l\u00ea bu l\u00f4ng ho\u1eb7c c\u1edd l\u00ea c\u1edd l\u00ea, \u0111\u1ec3 si\u1ebft ch\u1eb7t b\u1ea5t k\u1ef3 bu l\u00f4ng n\u00e0o b\u1ecb l\u1ecfng. Khi si\u1ebft ch\u1eb7t, h\u00e3y d\u00f9ng l\u1ef1c v\u1eeba ph\u1ea3i \u0111\u1ec3 tr\u00e1nh l\u00e0m h\u1ecfng bu l\u00f4ng ho\u1eb7c t\u01b0\u1edbc ren. Sau khi si\u1ebft ch\u1eb7t t\u1ea5t c\u1ea3 c\u00e1c bu l\u00f4ng, h\u00e3y ki\u1ec3m tra \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a c\u00e1c t\u1ea5m cu\u1ed1i, \u0111\u1ea3m b\u1ea3o r\u1eb1ng ch\u00fang \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh ch\u1eafc ch\u1eafn m\u00e0 kh\u00f4ng b\u1ecb rung l\u1eafc ho\u1eb7c d\u1ecbch chuy\u1ec3n \u0111\u00e1ng k\u1ec3. Ngo\u00e0i ra, h\u00e3y ghi l\u1ea1i ng\u00e0y si\u1ebft ch\u1eb7t v\u00e0 th\u00f4ng tin c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh \u0111\u1ec3 b\u1ea3o tr\u00ec v\u00e0 ki\u1ec3m tra trong t\u01b0\u01a1ng lai. N\u1ebfu ph\u00e1t hi\u1ec7n th\u1ea5y \u00e2m thanh b\u1ea5t th\u01b0\u1eddng, h\u00e3y th\u1ef1c hi\u1ec7n t\u00ednh to\u00e1n v\u00e0 ph\u00e2n t\u00edch l\u1ef1c, sau \u0111\u00f3 thay th\u1ebf \u1ed5 tr\u1ee5c l\u0103n n\u1ebfu c\u1ea7n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"experimental-analysis\">Ph\u00e2n t\u00edch th\u1ef1c nghi\u1ec7m<\/h2>\n\n\n\n<p>Th\u00ed nghi\u1ec7m n\u00e0y nh\u1eb1m \u0111\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c k\u1ef9 thu\u1eadt b\u1ea3o tr\u00ec \u00e1p d\u1ee5ng cho c\u1ea7n tr\u1ee5c c\u1ed5ng b\u1eb1ng c\u00e1ch so s\u00e1nh c\u00e1c th\u00f4ng s\u1ed1 hi\u1ec7u su\u1ea5t c\u1ee7a hai c\u1ea7n tr\u1ee5c c\u1ed5ng ch\u1ecbu c\u00e1c m\u1ee9c b\u1ea3o tr\u00ec kh\u00e1c nhau, x\u00e1c minh hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c k\u1ef9 thu\u1eadt b\u1ea3o tr\u00ec v\u00e0 s\u1eeda ch\u1eefa.<\/p>\n\n\n\n<p>Th\u00ed nghi\u1ec7m \u0111\u00e3 ch\u1ecdn hai c\u1ea7n tr\u1ee5c gi\u00e0n 100 t\u1ea5n t\u1eeb b\u00e3i d\u1ea7m c\u1ee7a d\u1ef1 \u00e1n Qu\u1ed1c l\u1ed9 508, v\u1edbi t\u1ed5ng c\u1ed9ng ch\u00edn c\u1ea7n tr\u1ee5c gi\u00e0n trong b\u00e3i. C\u1ea3 hai c\u1ea7n tr\u1ee5c \u0111\u1ec1u \u0111\u01b0\u1ee3c c\u00f4ng ty mua v\u00e0o n\u0103m 2017 t\u1eeb T\u1eadp \u0111o\u00e0n \u0110\u01b0\u1eddng s\u1eaft Trung Qu\u1ed1c 16 C\u1ee5c K\u1ef9 thu\u1eadt \u0110\u01b0\u1eddng s\u1eaft B\u1eafc Kinh, v\u00e0 \u0111\u01b0\u1ee3c chuy\u1ec3n giao cho d\u1ef1 \u00e1n Qu\u1ed1c l\u1ed9 508 v\u00e0o n\u0103m 2020. S\u1ed1 hi\u1ec7u qu\u1ea3n l\u00fd thi\u1ebft b\u1ecb l\u00e0 1902211204078 v\u00e0 1902211204079, v\u00e0 c\u00e1c m\u1eabu c\u1ea7n tr\u1ee5c l\u00e0 100T\/10T-45M-16M.<\/p>\n\n\n\n<p>Hai c\u1ea7n c\u1ea9u \u0111\u01b0\u1ee3c chia th\u00e0nh hai nh\u00f3m: nh\u00f3m th\u1eed nghi\u1ec7m v\u00e0 nh\u00f3m \u0111\u1ed1i ch\u1ee9ng. Nh\u00f3m th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c b\u1ea3o d\u01b0\u1ee1ng v\u00e0 s\u1eeda ch\u1eefa to\u00e0n di\u1ec7n, bao g\u1ed3m b\u00f4i tr\u01a1n c\u00e1c b\u1ed9 ph\u1eadn c\u01a1 kh\u00ed, ki\u1ec3m tra v\u00e0 thay th\u1ebf c\u00e1c th\u00e0nh ph\u1ea7n \u0111i\u1ec7n v\u00e0 \u0111i\u1ec1u ch\u1ec9nh h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n. Nh\u00f3m \u0111\u1ed1i ch\u1ee9ng kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o d\u01b0\u1ee1ng ho\u1eb7c s\u1eeda ch\u1eefa.<\/p>\n\n\n\n<p>C\u00e1c th\u00f4ng s\u1ed1 hi\u1ec7u su\u1ea5t nh\u01b0 s\u1ee9c n\u00e2ng, t\u1ed1c \u0111\u1ed9 v\u1eadn h\u00e0nh v\u00e0 m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng \u0111\u00e3 \u0111\u01b0\u1ee3c ghi l\u1ea1i cho c\u1ea3 hai nh\u00f3m tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m. Hai c\u1ea7n c\u1ea9u \u0111\u01b0\u1ee3c theo d\u00f5i li\u00ean t\u1ee5c trong 3 th\u00e1ng v\u00e0 nh\u1eefng thay \u0111\u1ed5i trong c\u00e1c th\u00f4ng s\u1ed1 hi\u1ec7u su\u1ea5t c\u1ee7a ch\u00fang \u0111\u00e3 \u0111\u01b0\u1ee3c ghi l\u1ea1i. D\u1eef li\u1ec7u tr\u01b0\u1edbc v\u00e0 sau khi ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c k\u1ef9 thu\u1eadt b\u1ea3o tr\u00ec. D\u1eef li\u1ec7u so s\u00e1nh gi\u1eefa hai nh\u00f3m \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n trong b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>S\u1ed1 s\u00ea-ri<\/strong><\/td><td><strong>Nh\u00f3m<\/strong><\/td><td><strong>T\u1ed1c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng (m\/s)<\/strong><\/td><td><strong>Ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng (kW\u00b7h)<\/strong><\/td><\/tr><tr><td>1<\/td><td>Nh\u00f3m th\u1ef1c nghi\u1ec7m (Tr\u01b0\u1edbc)<\/td><td>1.5<\/td><td>10<\/td><\/tr><tr><td>2<\/td><td>Nh\u00f3m \u0111\u1ed1i ch\u1ee9ng (Tr\u01b0\u1edbc)<\/td><td>1.5<\/td><td>10<\/td><\/tr><tr><td>3<\/td><td>Nh\u00f3m th\u1ef1c nghi\u1ec7m (Sau)<\/td><td>1.6<\/td><td>8<\/td><\/tr><tr><td>4<\/td><td>Nh\u00f3m ki\u1ec3m so\u00e1t (Sau)<\/td><td>1.3<\/td><td>12<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>D\u1ef1a tr\u00ean d\u1eef li\u1ec7u th\u1ef1c nghi\u1ec7m, c\u00f3 th\u1ec3 r\u00fat ra nh\u1eefng k\u1ebft lu\u1eadn sau:<\/p>\n\n\n\n<p>V\u1ec1 t\u1ed1c \u0111\u1ed9 v\u1eadn h\u00e0nh, c\u1ea7n tr\u1ee5c c\u1ed5ng tr\u1ee5c c\u1ee7a nh\u00f3m th\u1ef1c nghi\u1ec7m t\u0103ng 0,1 m\/s, trong khi t\u1ed1c \u0111\u1ed9 c\u1ee7a nh\u00f3m \u0111\u1ed1i ch\u1ee9ng gi\u1ea3m 0,2 m\/s. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y vi\u1ec7c b\u1ea3o d\u01b0\u1ee1ng v\u00e0 s\u1eeda ch\u1eefa gi\u00fap duy tr\u00ec t\u1ed1c \u0111\u1ed9 v\u1eadn h\u00e0nh c\u1ee7a c\u1ea7n tr\u1ee5c c\u1ed5ng tr\u1ee5c.<\/p>\n\n\n\n<p>V\u1ec1 m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng, c\u1ea7n tr\u1ee5c c\u1ed5ng tr\u1ee5c c\u1ee7a nh\u00f3m th\u1ef1c nghi\u1ec7m \u0111\u00e3 gi\u1ea3m m\u1ee9c ti\u00eau th\u1ee5 2 kW\u00b7h, trong khi m\u1ee9c ti\u00eau th\u1ee5 c\u1ee7a nh\u00f3m \u0111\u1ed1i ch\u1ee9ng t\u0103ng 2 kW\u00b7h. \u0110i\u1ec1u n\u00e0y ch\u1ee9ng t\u1ecf r\u1eb1ng vi\u1ec7c b\u1ea3o d\u01b0\u1ee1ng v\u00e0 s\u1eeda ch\u1eefa hi\u1ec7u qu\u1ea3 c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a c\u1ea7n tr\u1ee5c c\u1ed5ng tr\u1ee5c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"conclusion\">S\u1ef1 k\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p>L\u00e0 m\u1ed9t thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p quan tr\u1ecdng, ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh c\u1ee7a c\u1ea7n tr\u1ee5c gi\u00e0n l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi s\u1ea3n xu\u1ea5t. \u0110\u1ed1i v\u1edbi c\u00e1c l\u1ed7i th\u00f4ng th\u01b0\u1eddng, c\u1ea7n ti\u1ebfn h\u00e0nh ph\u00e2n t\u00edch chuy\u00ean s\u00e2u \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5, cho ph\u00e9p b\u1ea3o tr\u00ec v\u00e0 s\u1eeda ch\u1eefa hi\u1ec7u qu\u1ea3. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tu\u1ed5i th\u1ecd c\u1ee7a thi\u1ebft b\u1ecb m\u00e0 c\u00f2n t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t. K\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m cho th\u1ea5y c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec1 xu\u1ea5t \u0111\u1ec3 b\u1ea3o tr\u00ec v\u00e0 s\u1eeda ch\u1eefa c\u1ea7n tr\u1ee5c gi\u00e0n mang l\u1ea1i k\u1ebft qu\u1ea3 t\u1ed1t v\u00e0 c\u00f3 hi\u1ec7u qu\u1ea3 trong vi\u1ec7c c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n\n\n\n<p><strong>Ng\u01b0\u1eddi gi\u1edbi thi\u1ec7u<\/strong><\/p>\n\n\n\n<p>[1] <a href=\"https:\/\/kns.cnki.net\/kcms2\/article\/abstract?v=uTZa6doZ_i5xdrX8JcvoKoPzK-WmpQNjJWVgo0IC0LLwQ2S_f3Eq6E8dHeWr3HYqz9wCjXp-i2kk6EvjvVEox5QUOAeE_9Oca7BkWHOp0hnQYxJUby4fuHl6wLAqBT1nflt_0xB7-VSnrJE159CA3z5y2j60wK4ojQf1DlsO7G3nntYHU89HCA==&amp;uniplatform=NZKPT&amp;language=CHS\" target=\"_blank\" rel=\"noreferrer noopener\">Wu, Y. (2024). Nghi\u00ean c\u1ee9u v\u1ec1 c\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00f4ng ngh\u1ec7 b\u1ea3o tr\u00ec c\u1ee7a c\u1ea7n tr\u1ee5c c\u1ed5ng tr\u1ee5c. M\u00e1y m\u00f3c x\u00e2y d\u1ef1ng v\u00e0 b\u1ea3o tr\u00ec, (02), 13\u201315.<\/a><\/p>","protected":false},"excerpt":{"rendered":"C\u1ea7n tr\u1ee5c c\u1ed5ng tr\u1ee5c c\u00f3 c\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p v\u00e0 ho\u1ea1t \u0111\u1ed9ng trong nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau, th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn nhi\u1ec1u l\u1ed7i kh\u00e1c nhau trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng. Nh\u1eefng l\u1ed7i n\u00e0y kh\u00f4ng ch\u1ec9 l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t thi\u1ebft b\u1ecb m\u00e0 c\u00f2n c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn tai n\u1ea1n an to\u00e0n trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p nghi\u00eam tr\u1ecdng. Ph\u00e2n t\u00edch hi\u1ec7u qu\u1ea3 nh\u1eefng l\u1ed7i n\u00e0y v\u00e0 ti\u1ebfn h\u00e0nh nghi\u00ean c\u1ee9u t\u01b0\u01a1ng \u1ee9ng v\u1ec1 c\u00f4ng ngh\u1ec7 b\u1ea3o tr\u00ec v\u00e0 s\u1eeda ch\u1eefa l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o [\u2026]","protected":false},"featured_media":13362,"parent":0,"menu_order":0,"template":"single-SEO-Table.php","posts_category":[351],"posts_tag":[54,860,861],"class_list":["post-13361","posts","type-posts","status-publish","has-post-thumbnail","hentry","posts_category-blog","posts_tag-gantry-crane","posts_tag-gantry-crane-failures","posts_tag-gantry-crane-maintenance"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.dgcrane.com\/vi\/wp-json\/wp\/v2\/xmxposts\/13361"}],"collection":[{"href":"https:\/\/www.dgcrane.com\/vi\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.dgcrane.com\/vi\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":13,"href":"https:\/\/www.dgcrane.com\/vi\/wp-json\/wp\/v2\/xmxposts\/13361\/revisions"}],"predecessor-version":[{"id":13394,"href":"https:\/\/www.dgcrane.com\/vi\/wp-json\/wp\/v2\/xmxposts\/13361\/revisions\/13394"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/vi\/wp-json\/wp\/v2\/media\/13362"}],"wp:attachment":[{"href":"https:\/\/www.dgcrane.com\/vi\/wp-json\/wp\/v2\/media?parent=13361"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.dgcrane.com\/vi\/wp-json\/wp\/v2\/posts_category?post=13361"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.dgcrane.com\/vi\/wp-json\/wp\/v2\/posts_tag?post=13361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}