Electric hoist with low-friction spherical hinge

Abstract

The invention discloses an electric hoist with a low-friction type spherical hinge, and belongs to the field of electric equipment.The electric hoist with the low-friction type spherical hinge comprises an electric hoist body, the lower end of the electric hoist body is connected with a spherical hinge connecting shaft, and the outer end of the spherical hinge connecting shaft is wrapped with a hard protective shell barrel; the flexible buffer hemispheres are symmetrically and fixedly mounted in the spherical hinge connecting shaft, and through cooperative use of the flexible buffer hemispheres and the flexible anti-friction blocks, instantaneous traction force generated when the electric hoist is started is decomposed and offset, and damage caused by instantaneous impact force to the spherical hinge connecting shaft and the flexible buffer hemispheres is reduced; when the flexible buffer hemisphere deforms due to traction, the surface of the flexible anti-friction block is lubricated, abrasion of the surface of the flexible buffer hemisphere and aging of rubber are reduced, the service life of the device is effectively prolonged, the damping effect of the spherical hinge connecting shaft during instantaneous traction is improved, and then the use safety of the electric hoist body is effectively improved.

Description

technical field [0001] The invention relates to the field of electric equipment, in particular to an electric hoist with a low-friction ball joint. Background technique [0002] Electric hoist is a kind of special lifting equipment, which is installed on the crane and gantry crane. The electric hoist has the characteristics of small size, light weight, simple operation and convenient use. It is used in industrial and mining enterprises, storage, docks and other places. The electric hoist has a compact structure. The electric hoist whose motor axis is perpendicular to the reel axis adopts a worm gear transmission. The hydraulic system is dual-controlled. The overflow regulating valve and the magnetic contact pressure gauge can accurately control the pressure. The electrical control department adopts low-voltage control, which increases the safety of the control system. [0003] It consists of a motor, a transmission mechanism, a reel or a sprocket, and is divided into two ty...

AI Technical Summary

Problems solved by technology

[0004] During the use of the electric hoist, especially at the moment of starting, the ball joint needs to bear a large instantaneous traction force, but the position where the existing ball joint bears the traction force is unchanged, and it is easy to cause serious wear of the ball joint during long-term use , reduce its shock absorption effect and service life, and then reduce the safety of the electric hoist during use. Therefore, we propose an electric hoist with a low-friction ball hinge to solve the above problems

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