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Tool for dismounting part in hole

A technology for disassembling tools and parts, applied in the direction of manufacturing tools, hand-held tools, etc., can solve the problems of damaged parts, difficult parts to be shot or pulled out, etc., to achieve the effect of firm connection and increased contact area

Inactive Publication Date: 2016-03-02
中国人民解放军装备学院昌平士官学校
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a dismantling tool for the parts in the hole, so as to solve the technical problems in the prior art that it is difficult to extract or pull out the parts from the hole by using traditional tools, and the parts may be damaged

Method used

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  • Tool for dismounting part in hole
  • Tool for dismounting part in hole
  • Tool for dismounting part in hole

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Embodiment Construction

[0031] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0032] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...

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Abstract

The invention relates to the technical field of equipment used for dismounting parts and provides a tool for dismounting a part in a hole. The tool comprises an expansion portion and a dismounting power portion, the expansion portion is used for being placed in the hole and provided with a clamping face, and the clamping face is used for being clamped with the part in the hole; the dismounting power portion is connected with the expansion portion and used for taking the expansion portion out of the hole. By the adoption of the structure, firstly, the part in the hole is fixed through variation of the diameter of the expansion portion, then through cooperation of the dismounting power portion, thereby the part can be taken out of the hole in an easy, convenient and labor-saving mode, and meanwhile the part is not prone to damage; in addition, the clamping face is in face contact with the part, the contact area between the expansion portion and the part is increased, thereby connection between the expansion portion and the part can be firmer, and the situation that the part slides down from the expansion portion in the process when the part is taken out is effectively avoided.

Description

technical field [0001] The invention relates to the technical field of equipment used for dismantling parts, in particular to a dismantling tool for parts in holes. Background technique [0002] When repairing assembly parts such as construction machinery and vehicles, it is usually necessary to disassemble the bearings and sleeves in the mounting holes to facilitate maintenance; in the prior art, since the bearings, sleeves and other parts are interference fit , when disassembling, it takes a lot of force to pull it out or pull it out. [0003] For the bearing or sleeve installed in the blind hole, it cannot be pushed outward, and can only be taken out by pulling; while using the traditional triangular tensioner, because there is no suitable force application position or the contact mode between the tensioner and the bearing or sleeve is The point contact with a relatively narrow position is not firm enough, so it is difficult to pull out the bearing and sleeve, and if the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B27/073
CPCB25B27/062
Inventor 王建国宋世鹏张艳华周盛华杜道群
Owner 中国人民解放军装备学院昌平士官学校
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