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a rotary joint

A technology of rotary joints and static rings, applied in the direction of pipes/pipe joints/fittings, adjustable connections, passing components, etc., can solve problems such as too long oil pipelines, and achieve the effect of avoiding stagnation and large eccentricity

Active Publication Date: 2016-02-17
WUHAN MARINE MACHINERY PLANT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem in the prior art that the oil pipeline is too long and the eccentric angle exceeds 3°, the embodiment of the present invention provides a rotary joint

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment

[0020] An embodiment of the present invention provides a rotary joint, such as figure 1 with figure 2 As shown, the rotary joint includes a static ring 1 and a moving ring 3 inserted in the static ring 1, a seal 7 is provided between the static ring 1 and the moving ring 3, and the contact surface between the moving ring 3 and the sealing member 7 or the sealing The contact surface between the piece 7 and the static ring 1 is arc-shaped, and the static ring 3 is spliced ​​by the static ring body 3a and the end cover 3b along the axial direction. Wherein, the outer contour of the stationary ring 1 can be a rectangular body or a hollow cylindrical body, and the outer contour shape of the stationary ring 1 is determined according to actual production conditions. The moving ring 3 can rotate along the ring surface provided by the static ring 1, and the end cover 3b and the seal 7 provide a rotating space for the rotation of the moving ring 3, so that the moving ring 3 can have a...

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PUM

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Abstract

The invention discloses a rotating joint and belongs to the field of pipeline joints. The rotating joint comprises a stationary seal ring and a rotating seal ring inserted into the stationary seal ring. A sealing piece is arranged between the stationary seal ring and the rotating seal ring, a contact face of the rotating seal ring and the sealing piece or a contact face of the sealing piece and the stationary seal ring is of an arc structure, and the stationary seal ring is spliced by a stationary seal ring body and an end cap in the axial direction. According to the rotating joint, the rotating seal ring is of a spherical structure so that the rotating seal ring can rotate in the stationary seal ring; when an overlong oil pipeline is connected, a relatively large oil pipeline eccentricity degree can be guaranteed and the problem of blocking or unsmooth rotation of the rotating joint is solved.

Description

technical field [0001] The invention relates to the field of pipeline joints, in particular to a rotary joint. Background technique [0002] Rotary joints are usually used to transport fluid media. The difference from ordinary joints is that the two connecting ends of the rotary joint need to be able to rotate relatively. [0003] At present, most rotary joints on the market adopt a structure similar to bearings, which include a static ring with a flange at one end and a moving ring with a flange at one end. The moving ring is inserted in the static ring, and the static ring and the moving ring There is a seal between them, and the relative rotation is realized between the static ring and the moving ring through balls, and the rotary joint connects the pipeline through the flanges on the static ring and the moving ring. [0004] In the process of realizing the present invention, the inventor finds that there are at least the following problems in the prior art: [0005] On...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L27/08
CPCF16L27/06
Inventor 丁元亮张彪田永珍
Owner WUHAN MARINE MACHINERY PLANT