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Press fitting device special for transmission system leather cup sealing

A press-fitting device and leather cup sealing technology, which is used in metal processing, metal processing equipment, manufacturing tools, etc., can solve problems such as economic losses and engine commissioning failures, and achieve the effect of ensuring normal work and avoiding leakage failures.

Inactive Publication Date: 2019-11-26
HARBIN DONGAN ENGINE GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There are many factors that affect seal leakage. Among them, it is very important to ensure that the cup is pressed against, the internal skeleton of the cup is not deformed during the press-fitting process, and it is concentric with the mounting seat after press-fitting, because for aviation products, seal leakage will cause engine damage. Test run failure, repeated troubleshooting and test run will cause significant economic losses

Method used

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  • Press fitting device special for transmission system leather cup sealing
  • Press fitting device special for transmission system leather cup sealing
  • Press fitting device special for transmission system leather cup sealing

Examples

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Embodiment Construction

[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Apparently, the described embodiments are some, not all, embodiments of the present invention. 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.

[0021] The features of various aspects of the embodiments of the present invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be pra...

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Abstract

The invention belongs to the technical field of process toolings and particularly relates to a press fitting device special for transmission system leather cup sealing. The press fitting device special for sealing comprises a pressure head, a shell, and a positioning mechanism and a limit mechanism which are mounted on the shell. The press fitting device is provided with the positioning mechanismand the limit mechanism, leather cup limit press fitting can be achieved, it is guaranteed that a leather cup is concentric with a mounting base after press abutting and press fitting, a leather cup leakage fault caused by improper press fitting is avoided, and normal working of a transmission system is guaranteed.

Description

[0001] This application claims the priority of the earlier application with application number 201910622617.X. technical field [0002] The invention belongs to the technical field of process tooling, and in particular relates to a special press-fitting device for a transmission system leather cup seal, in particular to a press-fitting device with a frame and a spring-type leather cup seal. Background technique [0003] In aero-engine transmission system products, a leather cup is often used to seal the inner cavity of the transmission system. The leather cup is a spring-type oil seal with a skeleton. The schematic diagram of its structure is shown in figure 1 shown. In the process of use, the leather cup leakage failure often occurs. There are many factors that affect seal leakage. Among them, it is very important to ensure that the cup is pressed against, the internal skeleton of the cup is not deformed during the press-fitting process, and it is concentric with the mount...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P19/02
CPCB23P19/02
Inventor 范慧芳刘莹李野黄体安赵林陈祥鑫
Owner HARBIN DONGAN ENGINE GRP
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