Compensator with guiding corrugated pipes

A bellows and compensator technology, which is applied to expansion compensation devices, pipe elements, pipes/pipe joints/pipe fittings for pipelines, etc., can solve the problems of high engineering cost and complex structure, reduce engineering cost and simplify orientation. effect of structure

Inactive Publication Date: 2014-09-03
江苏晨光波纹管有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The commonly used bellows compensator at present can bear pressure thrust and other additional external force because the tie rod can absorb the internal pressure thrust and will not generate external force on the pipeline. Therefore, when the compensator is pre-stretched (compressed) during installation, the compensation The pipes at both ends of the compensator need to use guide brackets to ensure the normal use of the bellows compensator, but the use of guide brackets makes the structure complex and the project cost is high

Method used

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  • Compensator with guiding corrugated pipes

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Embodiment Construction

[0010] The present invention will be further described below according to the accompanying drawings and in conjunction with the embodiments.

[0011] The bellows compensator with guide shown in the accompanying drawing includes bellows 2, connecting pipe 1 connected to both ends and guide plate 3, and guide plate 3 is provided with a long guide groove parallel to the axis of bellows 2; the outer wall of connecting pipe 1 Several pin shafts 4 are evenly and fixedly connected on the circumference; the pin shaft 4 is a stepped shaft, and the upper end is a screw rod;

[0012] In this embodiment, a washer 5 and a nut 6 are provided on the screw rod of the pin shaft 4 .

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Abstract

The invention discloses a compensator with guiding corrugated pipes. The compensator comprises the corrugated pipes, connecting pipes connected to the two ends and guide plates. Strip-shaped guiding grooves which are parallel to the axes of the corrugated pipes are formed in the guide plates. A plurality of pin rolls are evenly and fixedly connected to the outer wall circumferences of the connecting pipes. The pin rolls are stepped shafts, and the upper ends of the pin rolls are provided with screws. The strip-shaped guiding grooves of the guide plates are arranged on the screws of the pin rolls in a clearance-fit and sleeved mode. According to further improvement of the compensator, gaskets and nuts are arranged on the screws of the pin rolls in the structure. The compensator has the advantages that the guiding structure is simplified, guiding supports do not need to be constructed for pipelines at the two ends of the compensator and the construction cost is obviously reduced.

Description

technical field [0001] The invention relates to a pipeline compensator, in particular to a bellows compensator. Background technique [0002] The bellows compensator in the pipeline is used to absorb or compensate the axial deformation and axial thrust, so as to protect the safe operation of the pipeline. The commonly used bellows compensator at present can bear pressure thrust and other additional external force because the tie rod can absorb the internal pressure thrust and will not generate external force on the pipeline. Therefore, when the compensator is pre-stretched (compressed) during installation, the compensation The pipes at both ends of the bellows need to use guide brackets to ensure the normal use of the bellows compensator, but the use of guide brackets makes the structure complex and the project cost is high. Contents of the invention [0003] Aiming at the deficiencies of the prior art, the invention proposes a bellows compensator with a guide which can s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L51/02
CPCF16L51/025F16L51/028
Inventor 朱海军吴秧平
Owner 江苏晨光波纹管有限公司
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