Pipeline joint locking device

A technology of pipeline joints and locking devices, which is applied in the direction of pipe/pipe joint/pipe fitting, sleeve/socket connection, through components, etc., can solve the problem of difficult disassembly and assembly of pipeline joints, etc. Easy to install and reliable locking effect

Active Publication Date: 2015-12-09
AECC SHENYANG ENGINE RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a locking device for pipeline joints, to at least solve the problem that existing locking devices make it difficult to disassemble and assemble pipeline joints

Method used

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Embodiment Construction

[0022] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. In describing the present invention, it is to be understood that the terms "central", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", The orientations or positional relationships indicated by "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the Means that a device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the scope of t...

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Abstract

The invention relates to the field of aero-engine component test part pipeline structure design, in particular to a pipeline joint locking device to at least solve the problem of an existing locking device that a pipeline joint is hard to mount and dismount. The pipeline joint comprises a gland nut and a hexagonal conical port. The pipeline joint locking device comprises a first stop ring and a second stop ring which are arranged in a horizontally symmetrical mode and detachably connected, a first damping gasket and a second damping gasket which are arranged in a horizontally symmetrical mode, and stop fins, wherein the gland nut is fastened by the stop rings through the damping gaskets, and the stop fins are used for fixing the relative positions of the first stop ring, the second stop ring and the conical port. According to the locking device, the connected gland nut and hexagonal conical port are tightly pressed by means of the stop rings and the damping gaskets matched with the stop rings, so that sealing and fixing effects are better; the first stop ring and the second stop ring are detachably connected to facilitate assembly and disassembly and can be repeatedly used.

Description

technical field [0001] The invention relates to the field of pipeline structure design of aero-engine component test pieces, in particular to a locking device for pipeline joints. Background technique [0002] In modern gas turbines and related test devices, it is often necessary to arrange a large number of pipelines with complex shapes for the needs of bleed air, water supply, and oil supply. The pipe joint usually adopts ball head and taper mouth contact, and the compression nut exerts a certain pressure on the ball head to achieve sealing. However, due to the high working temperature and pressure of modern gas turbines and their test devices, and the high vibration load, the compression nut is easy to loosen, resulting in leakage of pipeline joints. Due to the limitation of the structure and space size of the pipeline interface, the ordinary locking piece cannot be used for locking the pipeline interface, and the traditional locking method is also affected by factors su...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L21/06F16L21/08
CPCF16L21/065F16L21/08
Inventor 张燚陈艳丽刁瑶朋王少波田中礼郭舒
Owner AECC SHENYANG ENGINE RES INST
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