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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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.
Application Domain
Joints with sealing surfaces
Technology Topic
Internal cavityEngineering +2
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