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Hydraulic joint used for clamping test piece with superfine pipe diameter

A technology of hydraulic joints and test pieces, applied in the field of aerospace science, can solve the problems of increased production cost, low production efficiency, low positioning accuracy, etc., and achieve the effect of saving cost and improving production efficiency

Active Publication Date: 2014-02-05
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of clamping method is labor-intensive, low in production efficiency, and requires high technical level of workers; but the positioning accuracy is low, and because it often needs to increase the marking process, it increases the production cost; it only needs to use the machine tool accessories with good versatility and tools, so it can be applied to process various surfaces of various parts, especially suitable for single piece and small batch production

Method used

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  • Hydraulic joint used for clamping test piece with superfine pipe diameter

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Effect test

Embodiment Construction

[0019] See figure 1 , the present invention is a hydraulic joint for clamping micro-diameter test pieces, which includes: an improved pipeline pressure inlet joint part, a sealed clamping part, and an improved pipeline pressure outlet joint part, and the positional connection relationship between them is : The improved pipeline pressure inlet joint part is located at the left end of the sealing clamping part, and the two are connected by threads; the improved pipeline pressure outlet joint part is located at the right end of the sealing clamping part, and the two are connected by threads.

[0020] The improved pipe pressure inlet joint part includes two parts: hydraulic pipe 1 and hydraulic pipe nut 2 at the left end, which are socketed; this part is located on the left side of the joint main body 7, and the hydraulic pipe nut 2 can be selected to cooperate with the standard part of the joint main body The nut of the standard part, which can rotate freely relative to the hydra...

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Abstract

A hydraulic joint used for clamping a test piece with a superfine pipe diameter comprises an improved pipeline pressure inlet joint part, a seal clamping part and an improved pipeline pressure outlet joint part, wherein the improved pipeline pressure inlet joint part is located at the left end of the seal clamping part and is in threaded connection with the seal clamping part; and the improved pipeline pressure outlet joint part is located at the right end of the seal clamping part and is in threaded connection with the seal clamping part. The hydraulic joint has the characteristics that a hydraulic pipe joint standard piece is improved so as to be used for clamping the test piece with the superfine pipe diameter, and an internal cavity and an external cavity are sealed simultaneously through alternate combination of gaskets made of different materials; the test piece is clasped through a brass shaft end plug, so that purposes of clamping and detection are completely achieved; and compared with the development of a set of novel clamp with the superfine pipe diameter, the cost is saved, and the production efficiency is improved.

Description

technical field [0001] The invention provides a hydraulic joint for clamping a micro-diameter test piece, in particular relates to a micro-pipe clamping device for a hydraulic system, which is suitable for the detection of tiny workpieces and belongs to the technical field of aerospace science and technology. Background technique [0002] The mechanical clamping device is an important part of the machinery manufacturing industry. The clamping is to clamp the workpiece through the clamping mechanism and convert the clamping force into friction force. Generally, the clamping parts of the machine tool are used for machining. It is involved in aerospace, automotive electronics, electrical instruments, daily kitchen utensils and other fields. For workpieces as large as metric units and as small as millimeters and microns, it is necessary to solve the problem of clamping the workpiece during processing and testing, so as to provide convenience for subsequent processing and testing...

Claims

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Application Information

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IPC IPC(8): F16L19/00
CPCF16L19/0218
Inventor 韩金全万敏周应科赵睿
Owner BEIHANG UNIV
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