A dismantling device and dismantling method for an intermediate oil seal of a hydraulic steering machine

Abstract

The invention discloses a disassembling device and method for the intermediate oil seal of a hydraulic steering machine. The disassembling method for the intermediate oil seal of the hydraulic steering machine comprises the following steps: an intermediate oil seal cutting tool assembly is loaded from the upper opening of a cylinder barrel and assembled with a cutting tool positioning block, the cylinder barrel is arranged on a intermediate oil seal disassembling machine frame, a cutting tool fixing member is connected with the upper end of the cutting tool assembly, and the cylinder barrel is vertically fixed on the center portion of the frame through a fixture; with the lifting of a jack, the cylinder barrel is lifted; the bottom cutter edge of the cutting tool of the cutting tool assembly cuts an oil seal rubber ring and an oil seal skeleton of the intermediate oil seal, a hand shank is rotated repeatedly and the jack is lifted, so that the cutting tool is allowed to rotatably cut so as to disassemble the intermediate oil seal. Under the action of the inner cone slope of the cutting tool, the oil seal skeleton rolls up, the diameter of the intermediate oil seal is reduced, thus the intermediate oil seal is easy to take out. According to the disassembling device and method for the intermediate oil seal of the hydraulic steering machine, the intermediate oil seal can be effectively disassembled from a cylinder barrel assembly without damaging the inner wall of the cylinder barrel, so that the old cylinder barrel can be used again after repair, and the production cost of the subsequent remanufacturing of the hydraulic steering gear is reduced.

Description

technical field [0001] The invention relates to the field of assembly and disassembly of mechanical parts, in particular to a tool and method for dismantling the middle oil seal, which is one of the parts of the hydraulic steering machine. The oil seal is separated from the cylinder part. Background technique [0002] At present, every hydraulic steering gear manufacturer has a hydraulic steering gear remanufacturing production line, which disassembles the hydraulic steering gear and collects reusable parts for remanufacturing of the hydraulic steering gear. [0003] During the dismantling process of the hydraulic steering machine remanufacturing line, the middle oil seal of the cylinder part of the hydraulic steering machine is very difficult to disassemble due to its structure and the problems in the original manufacturing process requirements. The existing technology is currently There is no dismantling tool for the middle oil seal of the appropriate cylinder parts, and ...

AI Technical Summary

Problems solved by technology

[0005] To sum up, in order to solve the problem of the middle oil seal of the cylinder part of the hydraulic steering machine in the prior art due to its structure and the original manufacturing process requirements, it is very difficult to disassemble the middle oil seal of the cylinder part and replace the entire cylinder The barrel part also increases the subsequent remanufacturing cost. The present invention provides a dismantling device and method for the intermediate oil seal of the hydraulic steering machine. Using the uniquely designed dismantling device and dismantling method of the present invention, it can effectively and The intermediate oil seal can be easily disassembled from the cylinder part, and the present invention directly solves the problem of dismantling and assembling the intermediate oil seal, so that the old cylinder can be reused after repair, reducing the cost of the subsequent remanufactured hydraulic steering gear. Cost of production

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