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Casing pipe for pipe connection

A technology for connecting casings and casings, applied in the direction of pipes/pipe joints/fittings, sleeve/socket connections, passing components, etc. The effect of low counterpart difficulty and saving time in connecting pipelines

Inactive Publication Date: 2014-10-15
BC P INC CHINA NAT PETROLEUM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, in the reconstruction and emergency repair of in-service pipelines, joint operations are frequent, and if the pipeline cannot be connected in the shortest time, it will cause large economic losses

Method used

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  • Casing pipe for pipe connection
  • Casing pipe for pipe connection
  • Casing pipe for pipe connection

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0012] The pipe connection casing includes casing 1, rubber sealing ring 2, compression steel ring 3, tightening bolt 4 and compression bolt 5:

[0013] The inner diameter of the cylindrical casing 1 is the same as the outer diameter of the pipe 6; a circumferential assembly ring groove is provided in the middle of the inner peripheral surface of the casing 1, and a rubber sealing ring 2 and a compression steel ring 3 are arranged in the groove; On both ends of the surface, there is a ring of axial holes connected to the circumferential assembly ring groove, and the compression bolts 5 are connected in the holes, and the small square head bolts of the compression bolts 5 touch the top of the compression steel ring 3; Both ends of the outer peripheral surface are provided with two circles of radial through holes, and the tightening bolts 4 are connected in the holes.

[0014] The connection process between the pipe connecting sleeve and the pipe is as follows:

[0015] First, ...

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PUM

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Abstract

The invention discloses a casing pipe for pipe connection. The casing pipe is designed to save pipe connecting time to the maximum degree and provide excellent support for pipe construction and operation. According to the casing pipe for pipe connection, the inner diameter of the casing pipe is equal to the outer diameters of pipes; a circumferentially assembled annular groove is formed in the inner circumferential surface of the casing pipe, and a rubber sealing ring and a compression steel ring are arranged in the groove; axial holes communicated with the circumferentially assembled annular groove are respectively formed in the two end faces of the casing pipe, a compression bolt is connected into each axial hole, and the tail portion of each compression bolt abuts against the compression steel ring; radial through holes are formed in the two ends of the outer circumferential surface of the casing pipe, a grasping bolt is connected into each radial through hole, and the rail portions of the grasping bolts abut against the outer circumferential surfaces of the pipes inserted into the casing pipe from the two ends of the casing pipe. According to the casing pipe for pipe connection, the interconnection between pipe sections is achieved through the casing pipe, fast connection of pipe connectors can be achieved, the joint difficulty is reduced, and the pipe connecting time can be saved to the maximum degree. The casing pipe for pipe connection is a beneficial means for quickening the pipe construction and operation. With the development of oil and gas pipeline construction, the device will play a more important role.

Description

technical field [0001] The invention relates to a pipeline connecting sleeve, which belongs to the technical field of pipeline construction. Background technique [0002] In the construction of pipelines, butt-welding interconnection of pipe sections is the most repeated operation step. It is difficult to align pipelines and the construction speed is slow, which highly tests the patience of welders. In addition, in the reconstruction and emergency repair of in-service pipelines, joint operations are frequent, and if the pipelines cannot be connected in the shortest time, it will cause large economic losses. Contents of the invention [0003] The purpose of the present invention is to provide a pipe connecting sleeve, which can save the time of connecting pipes to the greatest extent and provide excellent support for pipeline construction and operation. [0004] Concrete technical scheme of the present invention is as follows: [0005] The inner diameter of the casing is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L21/03F16L21/04
CPCF16L21/03F16L21/04
Inventor 姜修才陶伟莉袁会赞王建伟陈社鹏
Owner BC P INC CHINA NAT PETROLEUM CORP
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