{"id":1032,"date":"2013-11-28T00:00:00","date_gmt":"2013-11-28T00:00:00","guid":{"rendered":"https:\/\/www.dgcrane.com\/posts\/an-overview-of-bridge-cranes\/"},"modified":"2024-09-09T06:52:30","modified_gmt":"2024-09-09T06:52:30","slug":"an-overview-of-bridge-cranes","status":"publish","type":"posts","link":"https:\/\/www.dgcrane.com\/cs\/overview-bridge-cranes\/","title":{"rendered":"P\u0159ehled Mostov\u00fdch Je\u0159\u00e1b\u016f"},"content":{"rendered":"<p>Je\u0159\u00e1by, definovan\u00e9 jako namontovan\u00e9 mechanick\u00e9 n\u00e1stroje pou\u017e\u00edvan\u00e9 k p\u0159en\u00e1\u0161en\u00ed mal\u00fdch a st\u0159edn\u00edch n\u00e1klad\u016f na kr\u00e1tkou vzd\u00e1lenost, se dod\u00e1vaj\u00ed v r\u016fzn\u00fdch proveden\u00edch v\u010detn\u011b mostov\u00e9ho je\u0159\u00e1bu a port\u00e1lov\u00e9ho je\u0159\u00e1bu. Je\u0159\u00e1by pevn\u00e9 nebo mobiln\u00ed jsou poh\u00e1n\u011bny ru\u010dn\u011b nebo motoricky. Mostov\u00fd je\u0159\u00e1b je jedn\u00edm z m\u00e1la typ\u016f je\u0159\u00e1b\u016f, kter\u00e9 nelze modelovat jako pr\u016fmyslov\u00e9 vozidlo, druh\u00fdm je port\u00e1lov\u00fd je\u0159\u00e1b (ozna\u010dovan\u00fd tak\u00e9 jako mostov\u00e9 mostov\u00e9 je\u0159\u00e1by). Mostov\u00fd je\u0159\u00e1b se skl\u00e1d\u00e1 z nosn\u00edku, kter\u00fd p\u0159emos\u0165uje ark\u00fd\u0159 (od st\u011bny ke st\u011bn\u011b), kter\u00fd se pohybuje po dvou drah\u00e1ch namontovan\u00fdch na ka\u017ed\u00e9 st\u011bn\u011b. Kladkostroj a voz\u00edk, kter\u00fd p\u0159ej\u00ed\u017ed\u00ed p\u0159es most, zaji\u0161\u0165uje celkem t\u0159i osy pohybu. Kladkostroj posouv\u00e1 b\u0159emeno nahoru a dol\u016f, voz\u00edk pohybuje b\u0159emenem doprava a doleva a most je\u0159\u00e1bu pohybuje b\u0159emenem dop\u0159edu a dozadu.<\/p>\r\n<h3>Rozm\u011bry obecn\u00e9ho mostov\u00e9ho je\u0159\u00e1bu mohou zahrnovat n\u00e1sleduj\u00edc\u00ed:<\/h3>\r\n<p>Voz\u00edk navr\u017een\u00fd pro maxim\u00e1ln\u00ed p\u0159\u00ed\u010dn\u00fd sklon 1%, Koncov\u00e9 voz\u00edky navr\u017een\u00e9 pro maxim\u00e1ln\u00ed pod\u00e9ln\u00fd sklon 3%, odolnost proti pov\u011btrnostn\u00edm vliv\u016fm NEMA 4, ochrana proti chladn\u00e9mu po\u010das\u00ed, nouzov\u00e9 brzdy, kter\u00e9 zastav\u00ed je\u0159\u00e1b ve 12\u2032 a funguj\u00ed jako p\u0159idr\u017eovac\u00ed brzda (brzda dostate\u010dn\u00e1 pro 50 MPH rychlost v\u011btru), kompletn\u011b \u0161roubovan\u00e1 konstrukce pro usnadn\u011bn\u00ed mont\u00e1\u017ee i demont\u00e1\u017ee pro snadn\u00e9 p\u0159em\u00edst\u011bn\u00ed, r\u00e1diov\u00e9 d\u00e1lkov\u00e9 ovl\u00e1d\u00e1n\u00ed a l\u00e1vka po cel\u00e9 d\u00e9lce s p\u0159\u00edstupov\u00fdm \u017eeb\u0159\u00edkem na 1 noze.<\/p>\r\n<p>Nov\u00e9 a pou\u017eit\u00e9 mostov\u00e9 je\u0159\u00e1by (kter\u00e9 jsou st\u00e1le popul\u00e1rn\u011bj\u0161\u00ed jako cenov\u011b v\u00fdhodn\u00e1 mo\u017enost) p\u0159edstavuj\u00ed pozoruhodnou t\u0159\u00eddu je\u0159\u00e1b\u016f, kter\u00e9 funguj\u00ed s kladkov\u00fdm syst\u00e9mem zav\u011b\u0161en\u00fdm na voz\u00edku, kter\u00fd se pohybuje po kolej\u00edch, kter\u00e9 vedou bu\u010f pod\u00e9l jednoho nebo dvou nosn\u00edk\u016f, kter\u00e9 le\u017e\u00ed vodorovn\u011b s jedn\u00edm dal\u0161\u00ed. Nosn\u00edky jsou zn\u00e1m\u00e9 jako most a jsou podep\u0159eny na obou konc\u00edch. Most je \u010dast\u011bji pohybliv\u00fd pod\u00e9l dvojice vodorovn\u00fdch kolejnic, co\u017e umo\u017e\u0148uje je\u0159\u00e1bu obsluhovat velkou obd\u00e9ln\u00edkovou plochu. V p\u0159\u00edpad\u011b kruhov\u00e9ho prostoru lze pou\u017e\u00edt rota\u010dn\u00ed.<\/p>\r\n<p><img decoding=\"async\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2017\/04\/H0A7169.jpg\" alt=\"\"><\/p>\r\n<p>Port\u00e1lov\u00e9 je\u0159\u00e1by nebo mostov\u00e9 je\u0159\u00e1by jsou verze je\u0159\u00e1bu, kter\u00e9 zvedaj\u00ed p\u0159edm\u011bty pomoc\u00ed kladkostroje, kter\u00fd je namontov\u00e1n na voz\u00edku a m\u016f\u017ee se pohybovat vodorovn\u011b po kolejnici nebo dvojici kolejnic um\u00edst\u011bn\u00fdch pod nosn\u00edkem. Mostov\u00e9 je\u0159\u00e1by a port\u00e1lov\u00e9 je\u0159\u00e1by jsou zvl\u00e1\u0161t\u011b vhodn\u00e9 pro zved\u00e1n\u00ed velmi t\u011b\u017ek\u00fdch p\u0159edm\u011bt\u016f a obrovsk\u00e9 port\u00e1lov\u00e9 je\u0159\u00e1by byly pou\u017eity pro stavbu lod\u00ed, kde je\u0159\u00e1b obkro\u010dmo nad lod\u00ed umo\u017e\u0148uje zved\u00e1n\u00ed a p\u0159em\u00eds\u0165ov\u00e1n\u00ed masivn\u00edch p\u0159edm\u011bt\u016f, jako jsou lodn\u00ed motory. Mostov\u00e9 nebo mostov\u00e9 je\u0159\u00e1by v podstat\u011b ozna\u010duj\u00ed je\u0159\u00e1b s pohybliv\u00fdm mostem nesouc\u00edm pohybliv\u00fd nebo pevn\u00fd zdvihac\u00ed mechanismus a pohybuj\u00edc\u00ed se po nadzemn\u00ed pevn\u00e9 konstrukci dr\u00e1hy.<\/p>\r\n<p><img decoding=\"async\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2017\/04\/IMG_8783.jpg\" alt=\"\"><\/p>\r\n<p>Mostov\u00e9 je\u0159\u00e1by, zn\u00e1m\u00e9 tak\u00e9 jako mostov\u00e9 je\u0159\u00e1by nebo jako z\u00e1v\u011bsn\u00e9 je\u0159\u00e1by, maj\u00ed konce nosn\u00e9ho nosn\u00edku spo\u010d\u00edvaj\u00edc\u00ed na kolech b\u011b\u017e\u00edc\u00edch po kolej\u00edch ve vysok\u00e9 \u00farovni, obvykle na rovnob\u011b\u017en\u00fdch bo\u010dn\u00edch st\u011bn\u00e1ch tov\u00e1rny nebo podobn\u00e9 velk\u00e9 pr\u016fmyslov\u00e9 budovy, tak\u017ee cel\u00e1 je\u0159\u00e1b m\u016f\u017ee pohybovat po d\u00e9lce budovy, zat\u00edmco kladkostroj lze pohybovat sem a tam po \u0161\u00ed\u0159ce budovy.<\/p>","protected":false},"excerpt":{"rendered":"Je\u0159\u00e1by, definovan\u00e9 jako namontovan\u00e9 mechanick\u00e9 n\u00e1stroje pou\u017e\u00edvan\u00e9 k p\u0159en\u00e1\u0161en\u00ed mal\u00fdch a st\u0159edn\u00edch n\u00e1klad\u016f na kr\u00e1tkou vzd\u00e1lenost, se dod\u00e1vaj\u00ed v r\u016fzn\u00fdch proveden\u00edch v\u010detn\u011b mostov\u00e9ho je\u0159\u00e1bu a port\u00e1lov\u00e9ho je\u0159\u00e1bu. Je\u0159\u00e1by pevn\u00e9 nebo mobiln\u00ed jsou poh\u00e1n\u011bny ru\u010dn\u011b nebo motoricky. Mostov\u00fd je\u0159\u00e1b je jedn\u00edm z m\u00e1la typ\u016f je\u0159\u00e1b\u016f [\u2026]","protected":false},"featured_media":1292,"parent":0,"menu_order":0,"template":"","posts_category":[351],"posts_tag":[61,7,41,54,27,33,34],"class_list":["post-1032","posts","type-posts","status-publish","has-post-thumbnail","hentry","posts_category-blog","posts_tag-bridge-crane","posts_tag-crane","posts_tag-crane-posts","posts_tag-gantry-crane","posts_tag-hoist","posts_tag-news","posts_tag-overhead-cranes"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts\/1032"}],"collection":[{"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":2,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts\/1032\/revisions"}],"predecessor-version":[{"id":1313,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts\/1032\/revisions\/1313"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/media\/1292"}],"wp:attachment":[{"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/media?parent=1032"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/posts_category?post=1032"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/posts_tag?post=1032"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}