The lifting device comprises a chain, a chain pulling and lifting device and a chain guiding and descending device, the chain pulling and lifting device comprises a telescopic cylinder, a first chain wheel arranged at the driving end of the telescopic cylinder and a second chain wheel arranged on one side of the telescopic cylinder, the chain comprises a fixed end and a free end, the fixed end of the chain is fixedly arranged, and the free end of the chain is fixedly arranged. The free end of the chain sequentially bypasses the first chain wheel and the second chain wheel and then hangs down; the chain descending device comprises a rope winding wheel and a traction rope which synchronously rotate with the second chain wheel, one end of the traction rope is fixedly arranged, and the other end of the traction rope is connected with the rope winding wheel through a pulley block; the pulley block comprises a movable pulley arranged at the driving end of the telescopic cylinder; the chain lifting device can achieve automatic lifting of the chain and is easy to operate, safe and reliable.
本发明涉及的起吊装置,包括:链条、链条牵升装置和链条引降装置,所述链条牵升装置包括伸缩缸、设置在所述伸缩缸驱动端的第一链轮和设置在所述伸缩缸一侧的第二链轮,所述链条包括固定端和自由端,所述链条的固定端固定设置,所述链条的自由端依次绕过所述第一链轮和所述第二链轮后垂下;所述链条引降装置包括与所述第二链轮同步转动的卷绳轮和牵引绳,所述牵引绳一端固定设置,另一端通过滑轮组与所述卷绳轮相连;所述滑轮组包括设置在所述伸缩缸驱动端的动滑轮;其能够实现链条自动升降动作,操作简单,安全可靠。
Lifting device
起吊装置
2022-04-08
Patent
Elektronische Ressource
Chinesisch
Bracket for lifting, lifting device and lifting device assembly
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