Pin shaft dismounting and mounting device for coal mine hydraulic support

Abstract

The invention provides a pin shaft dismounting and mounting device for a coal mine hydraulic support, and relates to the technical field of mechanical mounting. The pin shaft dismounting and mounting device comprises a pin shaft assembly and a dismounting assembly; and the pin shaft assembly comprises a pin shaft body, detachable stop blocks and stop block positioning pieces, wherein the pin shaft body is of a cylindrical pin shaft structure, the detachable stop blocks are arranged on the left side and the right side of the pin shaft body, the stop block positioning pieces are distributed on the detachable stop blocks in a circumferential array and inserted and connected to the detachable stop blocks, and the detachable stop blocks are connected with the pin shaft body in an inserted and connected manner through the stop block positioning pieces. A pin shaft can be dismounted and mounted on any side, operation convenience is improved, pin shaft work is more stable, operation convenience is greatly improved, and the work efficiency is improved; and the problems that for a traditional pin shaft dismounting and mounting device, during mounting, the pin shaft needs to be knocked into the hydraulic support from one end; and during dismounting, the pin shaft needs to be knocked out from the other end, some positions are used for operation space limitation during dismounting, dismounting and mounting trouble can happen, and the dismounting and mounting efficiency is influenced are solved.

Description

technical field [0001] The invention relates to the technical field of mechanical installation, in particular to a pin shaft device used for disassembling hydraulic supports in coal mines. Background technique [0002] The hydraulic support is a structure used to control the mine pressure of the coal mining face. The hydraulic support is supported on the upper part of the working face of the coal mine, and the hydraulic pressure bears a large pressure. It belongs to heavy-duty machinery. The parts of the hydraulic support are generally connected by hinges. To connect, each component needs to be connected through the pin shaft, and the hydraulic support needs to be disassembled in the maintenance of the hydraulic support. [0003] However, as far as the traditional dismounting pin device is concerned, the existing pin has one end as a fixed shoulder and one end as a stop pin. When installing, the pin needs to be knocked into the hydraulic support from one end. Knock out the ...

AI Technical Summary

Problems solved by technology

[0003] However, as far as the current traditional disassembly pin device is concerned, the existing pin shaft has a fixed shoulder at one end and a stop pin at the other end. Knock the pin shaft into the hydraulic support from one end, and knock out the pin shaft from the other end when disassembling. Some positions during disassembly are used for limited operating space, which will cause troublesome disassembly and assembly, which will affect the efficiency of disassembly and assembly.

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