The invention relates to a tired gantry crane. The tired gantry crane includes crane bodies, lifting mechanisms, main girders and hoisting mechanisms, wherein the crane bodies are located at the two sides respectively; each lifting mechanism is arranged on the corresponding crane body; the main girders are connected with the lifting mechanisms at the two sides; the hoisting mechanisms are connected to the main girders; each lifting mechanism includes a driving lifting assembly, at least one stage of driven lifting assembly, wherein the driving lifting assembly is arranged on the corresponding crane body; the driven lifting assembly is arranged on the driving lifting assembly; and the driven lifting assembly is driven to be lifted up and down by lifting of the driving lifting assembly. According to the tired gantry crane provided by the invention, the driven lifting assembly is driven to be lifted up and down by lifting of the driving lifting assembly, so that the lift multiplying power of the overall crane is increased; multiple jacking strokes can be achieved within the height of the overall crane; and therefore the overall height of the gantry crane is adjusted, and the gantry crane can conveniently pass through a height-limited viaduct and enter an indoor place to work.
本发明涉及一种轮胎门式起重机,包括分别位于两侧的车体、设置在所述的车体上的升降机构、连接两侧所述的升降机构的主梁以及连接在所述的主梁上的起升机构,所述的升降机构包括设置在所述的车体上的主动升降组件、设置在所述的主动升降组件上的至少一级从动升降组件,所述的主动升降组件的升降带动所述的从动升降组件的升降。本发明通过主动升降组件升降同时带动从动升降组件升降,使整机升降倍率提升,整机高度可以实现多倍顶升行程,从而实现门式起重机整体高度上的调节,使门式起重机便于通过高度受限的高架桥,以及进入室内场所工作。
Tired gantry crane
轮胎门式起重机
2021-04-06
Patent
Electronic Resource
Chinese
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