Pipeline connecting device with multidirectional displacement compensation capability

A displacement compensation and connection device technology, applied in the direction of adjustable connections, pipes/pipe joints/fittings, passing components, etc., can solve the problems of increased occupied space, inability to realize compensation, poor compensation ability, etc., and achieve easy disassembly and assembly, The effect of easy structure replacement and simple structure

Pending Publication Date: 2022-01-14
AECC SHENYANG ENGINE RES INST
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Compensation is achieved through tube shape design, the tube shape will be more complicated, the mass will increase, and the occupied space will increase. Its compensation ability is poor, and compensation cannot be realized within a certain space limit.

Method used

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  • Pipeline connecting device with multidirectional displacement compensation capability
  • Pipeline connecting device with multidirectional displacement compensation capability
  • Pipeline connecting device with multidirectional displacement compensation capability

Examples

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Embodiment Construction

[0028] In order to make the objectives, technical solutions and advantages of the implementation of the application clearer, the technical solutions in the implementation modes of the application will be described in more detail below with reference to the drawings in the implementation modes of the application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the present application. The embodiments described below by referring to the figures are exemplary and are intended to explain the present application, and should not be construed as limiting the present application. Based on the implementation manners in this application, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the scope of protection of this application. Embodiments of the pr...

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Abstract

The invention belongs to the field of aero-engine external pipeline design, and particularly relates to a pipeline connecting device with multidirectional displacement compensation capability. The pipeline connecting device comprises a first pipeline, wherein one end of the first pipeline is a columnar port, the outer wall is an outer cylindrical surface, and the tail end protrudes to form a flange; a second pipeline, wherein one end of the second pipeline is a spherical port; and a connecting pipe which comprises a first sleeve opening and a second sleeve opening, wherein the first sleeve opening sleeves the first pipeline, an elastic O-shaped ring is arranged between the first sleeve opening and the outer cylindrical surface, the second sleeve opening sleeves the second pipeline, the position, corresponding to the spherical port of the second pipeline, of the second sleeve opening is in a horn shape, and a first connecting piece and the connecting pipe are matched in shape to clamp the elastic O- shaped ring. Through the integrated design of axial compensation and angular compensation, the compensation requirements of the pipeline in all directions can be met while the sealing performance is guaranteed; and the pipeline connecting device has the advantages of a simple structure, small occupied space and strong compensation capability.

Description

technical field [0001] The application belongs to the field of design of external pipelines of aero-engines, and in particular relates to a pipeline connection device with multi-directional displacement compensation capability. Background technique [0002] The function of the external piping system of the aero-engine is to transport fuel, lubricating oil, air and other media to various parts of the power plant to complete functions such as engine start-up, operation, and control, so as to ensure that the engine can work satisfactorily under various working conditions. The external pipeline system includes conduit components and their connection structures, etc. The external piping system has a significant impact on the reliability and safety of the engine. According to incomplete statistics, 52% of engine flight failures are caused by failure of external pipelines. The design of the external piping system plays an important role in the engine design. [0003] The number ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L27/04F16L27/12
CPCF16L27/04F16L27/12
Inventor 李文彪冯凯张强霍文涛柳旭
Owner AECC SHENYANG ENGINE RES INST
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