A rapid lifting device for bridge construction machinery

Abstract

The invention discloses a bridge construction mechanical quick lifting device. The structure of the bridge construction mechanical quick lifting device comprises a crossbeam, a motor, a lifting machine main body, a power supply line, a lifting chain, an electric block, a chain storage box, a hook, two supporting frames, four pulleys and two tensioners, wherein the lifting chain is mounted and fixed to the inner part of the chain storage box, and penetrates through the top of the chain storage box to be connected to the top of the hook through the electric block in a surrounding manner; the twotensioners are respectively mounted on the two supporting frames; the four pulleys are respectively and mechanically connected to the left end and the right end of the bottom of each of the supporting frames; the lifting machine main body is tightly attached and fixed to the left side of the electric block; the motor is mounted on the surface of the crossbeam; and the power supply line is electrically connected to an electrical system in the lifting machine main body. After the bridge construction mechanical quick lifting device disclosed by the invention is improved, under the driving of anoutput device in the bridge construction mechanical quick lifting device, the chain can perform outputting in an ordered manner to cooperate with an external lifting mechanism for the work of lifting;and in the outputting course, the stability is high, so that the working efficiency of the bridge construction mechanical quick lifting device is greatly improved.

Description

technical field [0001] The invention relates to a quick lifting device for a bridge construction machine, which belongs to the field of lifting devices. Background technique [0002] Hoisting equipment is used to lift ore, stone and production materials and personnel. Simple winches and shallow well hoists are used for mine prospecting shallow well excavation, hoists for shaft excavation and their corresponding derrick structures, hoisting buckets, cages, skips; Well lifting string car, inclined shaft cage, inclined shaft skip and inclined shaft man-car, etc. [0003] However, in the prior art, the transmission and lifting device is lifted by the chain. Because the chain is used for many times, the chain is relatively messy, and it is easy to cause jamming during the pulling process of the chain output, making the lifting work unable to continue. Contents of the invention [0004] In view of this, the embodiment of the present invention provides a quick lifting device for...

AI Technical Summary

Problems solved by technology

[0004] In view of this, the embodiment of the present invention provides a quick lifting device for bridge construction machinery to improve the lifting work of the transmission lifting device by the chain. Since the chain is used for many times, the chain is relatively messy, so that the chain is output during the pulling process. It is easy to cause the phenomenon of being stuck, which makes the lifting work unable to continue.

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