{"id":6102,"date":"2023-12-08T02:56:23","date_gmt":"2023-12-08T02:56:23","guid":{"rendered":"https:\/\/www.dgcrane.com\/?post_type=posts&p=6102"},"modified":"2024-09-09T06:42:17","modified_gmt":"2024-09-09T06:42:17","slug":"the-difference-of-hoists-and-cranes%ef%bc%88with-common-types","status":"publish","type":"posts","link":"https:\/\/www.dgcrane.com\/vi\/posts\/the-difference-of-hoists-and-cranes-with-common-types\/","title":{"rendered":"S\u1ef1 kh\u00e1c bi\u1ec7t c\u1ee7a t\u1eddi v\u00e0 c\u1ea7n c\u1ea9u (V\u1edbi c\u00e1c lo\u1ea1i th\u00f4ng d\u1ee5ng)"},"content":{"rendered":"

Pal\u0103ng l\u00e0 g\u00ec?<\/h3>\r\n

\"\"<\/p>\r\n

Pal\u0103ng l\u00e0 m\u1ed9t lo\u1ea1i thi\u1ebft b\u1ecb n\u00e2ng h\u1ea1. C\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a t\u1eddi n\u00e2ng (l\u1ea5y t\u1eddi k\u00e9o d\u00e2y \u0111i\u1ec7n l\u00e0m v\u00ed d\u1ee5) bao g\u1ed3m \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n, b\u1ed9 gi\u1ea3m t\u1ed1c, phanh, tang tr\u1ed1ng, d\u00e2y c\u00e1p v\u00e0 m\u00f3c, c\u00f9ng nhi\u1ec1u b\u1ed9 ph\u1eadn kh\u00e1c.<\/p>\r\n

Pal\u0103ng \u0111\u01a1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t c\u1ed1 \u0111\u1ecbnh \u1edf v\u1ecb tr\u00ed cao (nh\u01b0 m\u00e1i nh\u00e0) \u0111\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c n\u00e2ng h\u1ea1 v\u1eadt n\u1eb7ng t\u1ea1i v\u1ecb tr\u00ed \u0111\u00f3.<\/p>\r\n

Khi v\u1eadn th\u0103ng \u0111\u01b0\u1ee3c trang b\u1ecb xe \u0111\u1ea9y, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u00ean d\u1ea7m ho\u1eb7c \u0111\u01b0\u1eddng ray, cho ph\u00e9p v\u1eadn th\u0103ng kh\u00f4ng ch\u1ec9 n\u00e2ng h\u1ea1 v\u1eadt n\u1eb7ng m\u00e0 c\u00f2n c\u00f3 th\u1ec3 di chuy\u1ec3n sang tr\u00e1i v\u00e0 ph\u1ea3i d\u1ecdc theo d\u1ea7m ho\u1eb7c \u0111\u01b0\u1eddng ray.<\/p>\r\n

C\u00e1c lo\u1ea1i t\u1eddi n\u00e2ng ph\u1ed5 bi\u1ebfn g\u1ed3m c\u00f3 t\u1eddi k\u00e9o tay t\u1eddi x\u00edch<\/a>, pa l\u0103ng c\u00e1p \u0111i\u1ec7n<\/a>v\u00e0 pa l\u0103ng x\u00edch \u0111i\u1ec7n.
\r\nPal\u0103ng tay hay c\u00f2n g\u1ecdi l\u00e0 t\u1eddi tay, n\u00e2ng v\u1eadt n\u1eb7ng b\u1eb1ng s\u1ee9c ng\u01b0\u1eddi, hi\u1ec7u su\u1ea5t n\u00e2ng th\u1ea5p. Ch\u00fang c\u00f3 thi\u1ebft k\u1ebf \u0111\u01a1n gi\u1ea3n, d\u1ec5 ki\u1ec3m tra, b\u1ea3o tr\u00ec v\u00e0 l\u00e0m s\u1ea1ch. Thi\u1ebft k\u1ebf nh\u1ecf g\u1ecdn c\u1ee7a ch\u00fang cho ph\u00e9p ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong kh\u00f4ng gian h\u1eb9p ho\u1eb7c c\u00e1c \u1ee9ng d\u1ee5ng kh\u00f4ng c\u00f3 \u0111i\u1ec7n.
\r\nPal\u0103ng \u0111i\u1ec7n<\/a> n\u00e2ng v\u1eadt n\u1eb7ng b\u1eb1ng \u0111i\u1ec7n, hi\u1ec7u su\u1ea5t n\u00e2ng cao, c\u00e1c lo\u1ea1i th\u00f4ng d\u1ee5ng g\u1ed3m c\u00f3 pa l\u0103ng c\u00e1p \u0111i\u1ec7n v\u00e0 pa l\u0103ng x\u00edch \u0111i\u1ec7n. Pal\u0103ng d\u00e2y \u0111i\u1ec7n nhanh h\u01a1n, v\u1eadn h\u00e0nh \u00eam \u00e1i h\u01a1n, chi\u1ebfm l\u0129nh th\u1ecb tr\u01b0\u1eddng v\u1edbi t\u1ea3i tr\u1ecdng t\u1eeb 10 t\u1ea5n tr\u1edf l\u00ean. Pal\u0103ng x\u00edch \u0111i\u1ec7n so v\u1edbi pa l\u0103ng c\u00e1p \u0111i\u1ec7n c\u00f3 x\u00edch b\u1ec1n h\u01a1n, chi\u1ebfm \u00edt kh\u00f4ng gian h\u01a1n v\u00e0 gi\u00e1 th\u00e0nh ph\u1ea3i ch\u0103ng h\u01a1n, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng nh\u1eb9 d\u01b0\u1edbi 5 t\u1ea5n.<\/p>\r\n

C\u1ea7n c\u1ea9u l\u00e0 g\u00ec?<\/h3>\r\n

\"\"<\/p>\r\n

C\u1ea7n c\u1ea9u l\u00e0 thi\u1ebft b\u1ecb n\u00e2ng c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn. C\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a c\u1ea7n c\u1ea9u (l\u1ea5y c\u1ea7u tr\u1ee5c d\u1ea7m \u0111\u01a1n<\/a> trong h\u00ecnh minh h\u1ecda l\u00e0m v\u00ed d\u1ee5) bao g\u1ed3m d\u1ea7m ch\u00ednh, d\u1ea7m cu\u1ed1i, c\u1ea7n tr\u1ee5c v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c.<\/p>\r\n

C\u1ea7n c\u1ea9u kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 n\u00e2ng v\u1eadt th\u1ec3 m\u00e0 c\u00f2n c\u00f3 th\u1ec3 di chuy\u1ec3n ch\u00fang tr\u00ean nh\u1eefng khu v\u1ef1c r\u1ed9ng l\u1edbn. C\u1ea7n tr\u1ee5c hi\u1ec3n th\u1ecb \u1edf tr\u00ean l\u00e0 c\u1ea7n tr\u1ee5c, c\u00f3 th\u1ec3 di chuy\u1ec3n qua l\u1ea1i d\u1ecdc theo \u0111\u01b0\u1eddng ray tr\u00ean m\u1eb7t \u0111\u1ea5t. Pal\u0103ng g\u1eafn tr\u00ean c\u1ea7n c\u1ea9u c\u00f3 th\u1ec3 di chuy\u1ec3n sang tr\u00e1i v\u00e0 ph\u1ea3i d\u1ecdc theo d\u1ea7m ch\u00ednh v\u00e0 c\u00f3 th\u1ec3 di chuy\u1ec3n v\u1eadt n\u1eb7ng l\u00ean xu\u1ed1ng. V\u00ec v\u1eady, c\u1ea7n c\u1ea9u n\u00e0y c\u00f3 th\u1ec3 di chuy\u1ec3n c\u00e1c v\u1eadt n\u1eb7ng theo ba chi\u1ec1u: ti\u1ebfn v\u00e0 l\u00f9i, tr\u00e1i v\u00e0 ph\u1ea3i, l\u00ean v\u00e0 xu\u1ed1ng.<\/p>\r\n

C\u00f3 nhi\u1ec1u lo\u1ea1i c\u1ea7n c\u1ea9u, trong \u0111\u00f3 c\u00f3 c\u1ea7n c\u1ea9u tr\u00ean cao (c\u1ea7u)<\/a>, c\u1ea7n tr\u1ee5c c\u1ee7a gi\u00e0n c\u1ea7n c\u1ea9u<\/a>, c\u1ea7n tr\u1ee5c c\u1ea7n c\u1ea9u<\/a>, V\u00e0 c\u1ea7n c\u1ea9u m\u1ed9t ray<\/a>. C\u1ea7u tr\u1ee5c th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nh\u00e0 \u1edf c\u00e1c nh\u00e0 m\u00e1y, nh\u00e0 x\u01b0\u1edfng; c\u1ea7n tr\u1ee5c th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng ngo\u00e0i tr\u1eddi; C\u1ea7n c\u1ea9u jib c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n t\u1ed1t nhi\u1ec7m v\u1ee5 n\u00e2ng h\u1ea1 trong kh\u00f4ng gian h\u1ea1n ch\u1ebf v\u00e0 l\u00e0 l\u1ef1a ch\u1ecdn n\u00e2ng h\u1ea1 l\u00fd t\u01b0\u1edfng v\u1edbi chi ph\u00ed th\u1ea5p trong c\u00e1c nh\u00e0 m\u00e1y. C\u1ea7n c\u1ea9u m\u1ed9t ray ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 th\u00edch \u1ee9ng v\u1edbi c\u00e1c c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t \u1edf b\u1ea5t k\u1ef3 quy m\u00f4 ho\u1eb7c h\u00ecnh d\u1ea1ng n\u00e0o v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf nh\u1eefng kh\u00f4ng gian m\u00e0 c\u1ea7u tr\u1ee5c kh\u00f4ng th\u1ec3 di chuy\u1ec3n.<\/p>\r\n

T\u1ea1i sao ch\u00fang ta th\u01b0\u1eddng nh\u1ea7m l\u1eabn s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa t\u1eddi n\u00e2ng v\u00e0 c\u1ea7n c\u1ea9u?<\/h3>\r\n

S\u1ef1 nh\u1ea7m l\u1eabn gi\u1eefa t\u1eddi n\u00e2ng v\u00e0 c\u1ea7n c\u1ea9u, ho\u1eb7c vi\u1ec7c s\u1eed d\u1ee5ng thu\u1eadt ng\u1eef \u201cv\u1eadn th\u0103ng\u201d \u0111\u1ec3 m\u00f4 t\u1ea3 to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng n\u00e2ng, xu\u1ea5t ph\u00e1t t\u1eeb m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1:<\/p>\r\n

Th\u1ee9 nh\u1ea5t, c\u00f2n thi\u1ebfu hi\u1ec3u bi\u1ebft r\u00f5 r\u00e0ng v\u1ec1 t\u1eddi, c\u1ea7n c\u1ea9u. \u0110\u00f4i khi ph\u1ea7n m\u1ec1m d\u1ecbch thu\u1eadt cung c\u1ea5p b\u1ea3n d\u1ecbch gi\u1ed1ng nhau cho hai thu\u1eadt ng\u1eef n\u00e0y, \u0111i\u1ec1u n\u00e0y d\u1ec5 d\u1eabn \u0111\u1ebfn nh\u1ea7m l\u1eabn.<\/p>\r\n

Th\u1ee9 hai, ch\u00fang c\u00f3 nh\u1eefng \u0111i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng, nh\u01b0ng khi xem x\u00e9t k\u1ef9 h\u01a1n, b\u1ea1n s\u1ebd th\u1ea5y r\u1eb1ng ch\u00fang kh\u00e1c nhau \u0111\u00e1ng k\u1ec3 v\u1ec1 h\u00ecnh th\u1ee9c, ch\u1ee9c n\u0103ng v\u00e0 t\u00ecnh hu\u1ed1ng \u1ee9ng d\u1ee5ng.<\/p>\r\n

\u0110i\u1ec3m gi\u1ed1ng nhau c\u1ee7a t\u1eddi v\u00e0 c\u1ea7n c\u1ea9u:<\/strong><\/p>\r\n