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Flexibly rotated and high pressure resistant rotary compensator

A rotary compensator, high-pressure-resistant technology, applied in adjustable connections, pipes/pipe joints/pipes, through components, etc., can solve the problems of inflexible rotation, poor sealing, etc., to increase flexibility, increase high-pressure resistance, simple structure

Inactive Publication Date: 2011-06-22
JIANGSU HONGXIN REVOLVING COMPENSATOR TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to design a rotary compensator with flexible rotation and high pressure resistance for the problems of poor sealing performance and inflexible rotation at high temperature and high pressure existing in the existing rotary compensator

Method used

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  • Flexibly rotated and high pressure resistant rotary compensator
  • Flexibly rotated and high pressure resistant rotary compensator
  • Flexibly rotated and high pressure resistant rotary compensator

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Embodiment Construction

[0013] The following structural drawings and embodiments further illustrate the present invention.

[0014] Such as figure 1 , 2 shown.

[0015] A rotary compensator with flexible rotation and high pressure resistance, including a core tube 1, a sealing gland 3, a sealing seat 5, and a connecting pipe 7, such as figure 1 As shown, one end of the core tube 1 is inserted into the connecting tube 7, and the connecting tube 7 is fixedly connected with one end of the sealing seat 5 and fitted on the core tube 1, and at least one ring is provided on the end of the core tube 1 extending into the connecting tube 7 The outer boss 8 is provided with at least one annular inner boss 9 on the inner surface of the sealing seat 5. The sealing gland 3 is set on the core tube 3 and inserted into the other end of the sealing seat 5 and installed in the inner surface of the sealing seat 5. The ring surface seal 4 between the surface and the outer surface of the core tube 1 (high temperature a...

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Abstract

The invention provides a flexibly rotated and high pressure resistant rotary compensator. The flexibly rotated and high pressure resistant rotary compensator comprises a core pipe (1), a sealing gland (3), a sealing seat (5) and a connecting pipe (7), and is characterized in that: bearings (10) are arranged on an annular inner lug boss (9) of the sealing seat (5) which is contacted with the outer surface of the core pipe (1) and the sealing gland (3) which is contacted with the outer surface of the core pipe (1); an end face sealing member (6) is formed by coiling and stacking an elongated framework (601) of which the height H is more than or equal to 10 millimeters and a flexible sealing material (602); and wrapping layers (603) are arranged on two end faces, the outer circular surface and the inner circular surface of an annular ring formed by coiling. The rotation flexibility of the pressed compensator is increased by using the bearings; by the adoption of the sealing ring with the framework, the high pressure resistance is increased; meanwhile, the compensator has a simple structure and is convenient to manufacture.

Description

technical field [0001] The invention relates to a joint for buried pipelines capable of length compensation, in particular to a high-pressure resistant rotary compensator capable of automatic compensation of pipeline length and flexible rotation, in particular a flexible rotary compensator with high pressure resistance. Compensator. Background technique [0002] At present, the traditional sleeve type, bellows type and steel ball type pipeline compensation devices have been gradually replaced by rotary compensators due to their complex structure, high cost, inconvenient installation and small compensation amount, and are currently being used in large quantities. The compensator has the advantages of simple structure, convenient manufacture and large amount of compensation. See Chinese patents ZL982270615 and ZL022587098 for details. [0003] However, in actual use, it is found that due to problems in the sealing structure, end face leakage will occur, especially when high t...

Claims

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Application Information

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IPC IPC(8): F16L27/08
Inventor 宋章根
Owner JIANGSU HONGXIN REVOLVING COMPENSATOR TECH
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