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Flange plate in stable connection

A solid, flanged technology

Inactive Publication Date: 2011-06-15
ANTON OILFIELD SERVICES (GRP) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing connection is to weld the flange on the cylinder. The disadvantage of this method is that the welding gap is large, and the flange is easy to loosen under the continuous impact of the impact force.

Method used

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  • Flange plate in stable connection
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  • Flange plate in stable connection

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Experimental program
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Effect test

Embodiment Construction

[0011] The structure of the present invention will be further described below in conjunction with the accompanying drawings, but not as a limitation of the present invention.

[0012] see figure 1 , the inner peripheral surface of the flange 2 is provided with threads, and the outer periphery of the pipe 1 or cylinder where the flange 2 is installed is provided with threads corresponding to the threads on the inner peripheral surface of the flange 2, and the flange 2 It is socketed on the pipe 1 or the cylinder in the form of threaded socket, the two sides of the flange 2 are welded on the pipe 1 or the cylinder, and the welding point 3 is located on both sides of the flange 2 to prevent the flange from rotating .

[0013] see figure 2 , the width of the inner circumference of the flange 2 is greater than the width of the outer circumference, the inner circumference of the flange surface of the flange 2 is flush with the outer circumference, and the width of the inner circu...

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Abstract

The invention relates to a flange plate, in particular to a flange plate in stable connection. The inner circumferential surface of the flange plate is provided with screw threads; the flange plate is sleeved on a pipeline or cylinder barrel in a threaded way; two sides of the flange plate are welded on the pipeline or cylinder barrel. The width of the inner circumference of the flange plate is larger than that of the outer circumference thereof. The inner circumference and the outer circumference of the flange surface of the flange plate are level, and the width of the inner circumference of the other surface of the flange plate is larger than that of the outer circumference thereof. The invention has the beneficial effects that the inner circumferential surface of the flange plate is provided with the screw threads to ensure that the flange plate and the pipeline are in threaded connection, and the flange plate is welded on the pipeline after being connected, thereby the stability for the connection of the flange plate and the pipeline is enhanced; and the contact area between the flange plate and the pipeline can be enlarged by increasing the width of the inner circumference of the flange plate, thereby the stability for the connection of the flange plate and the pipeline is further enhanced.

Description

technical field [0001] The invention relates to a flange, in particular to a flange with stable connection. Background technique [0002] Flange connections are widely used in the mechanical field, especially in the connection between pipelines. The flange, which is the main part of the main flange of the flange connection, plays an important role in the flange connection. The more stable the connection between the flange and the pipe, the better the effect of the flange connection. The hydraulic automatic pressure regulating device used in oil exploration. The key component of the device is the hydraulic cylinder, which is composed of two left and right cylinders connected by a connecting body in the middle. The connection method is flange connection. Since the connecting body of the hydraulic cylinder is constantly subjected to a large impact force from the stroke valve when the hydraulic cylinder is working, the connecting body transmits the impact force to the cylinder...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L23/032
Inventor 崔自立郭耀林
Owner ANTON OILFIELD SERVICES (GRP) LTD
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