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A Vibration Damping Device for Underground Petroleum Pipeline Joints

A vibration damping device, oil pipeline technology, applied in the direction of shock absorber, pipe/pipe joint/pipe fitting, pipe element, etc., can solve the problem of easy transmission of vibration load, and achieve the effect of absorbing kinetic energy, facilitating installation and fixing, and preventing leakage

Inactive Publication Date: 2017-12-15
UNIV OF JINAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problem that the existing oil pipeline interface connection mode is easy to transmit vibration load, the present invention provides a vibration damping device for underground oil pipeline interface that can effectively solve the above problem

Method used

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  • A Vibration Damping Device for Underground Petroleum Pipeline Joints
  • A Vibration Damping Device for Underground Petroleum Pipeline Joints
  • A Vibration Damping Device for Underground Petroleum Pipeline Joints

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Embodiment

[0018] like figure 1 As shown, a kind of damping device for underground petroleum pipeline interface of the present invention mainly includes pipeline, lock nut, sealing ring, shock absorber 10 and connecting pipe 8, and pipeline is divided into pipeline A 1 and pipeline B 13, The lock nut is divided into lock nut A 2 and lock nut B 7, and the seal ring is divided into seal ring A 3 and seal ring B 6, lock nut A 2, seal ring A 3, shock absorber 10, seal ring B 6. The lock nut B 7 is sequentially installed on the threaded connection area 12 of the pipe A 1 and the pipe B 13 , and the shock absorber 10 is welded on the connecting pipe 8 . The interface between pipe A and pipe B is provided with external threads, and lock nut A and lock nut B, sealing ring A and sealing ring B are provided with internal threads. This structural design has the following functions: First, it is easy to install and fix, such as It can be installed by simply rotating the sealing ring A 3 on the pipe...

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Abstract

The invention provides a damping device for underground oil pipeline joints, which mainly includes pipelines, lock nuts, sealing rings, shock absorbers and connecting pipes. Its characteristic is to use the kinetic energy consumption of the shock absorber to eliminate the radial vibration of the pipeline. The invention realizes convenient installation and fixation, strengthens the sealing and gap adjustment of the connecting parts through the pipeline, lock nut, sealing ring and the thread on the piston block; realizes the isolation of impurities and prevents fluid leakage through the double seal design; realizes through double lock nuts Prevent the axial movement and tight sealing of the connecting parts; eliminate the radial vibration of the pipeline through 8 shock absorbers uniformly distributed in the circumferential direction.

Description

technical field [0001] The present invention relates to a vibration damping device used for underground petroleum pipeline joints, in particular to a kind of thread on the pipeline, lock nut, sealing ring and piston block, which facilitates the installation and fixing of various components and strengthens the sealing and gap of the connecting parts. Adjustment; isolation of impurities and prevention of fluid leakage through double seal design; prevention of axial movement and tight sealing of connecting parts through double lock nuts; elimination of radial vibration of pipelines through 8 circumferentially evenly distributed shock absorbers, which belongs to Research and development of vibration reduction technology for oil pipeline connections. Background technique [0002] At present, the joints of oil pipelines are mainly connected by welding or flanges. Although these connection methods achieve the sealed connection of the pipelines to a certain extent, they make the pip...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L15/04F16L15/08F16L21/00F16L55/02F16F15/04
CPCF16F15/04F16F2238/02F16L15/04F16L15/08F16L21/00F16L55/02
Inventor 安延涛赵东杨玉娥刘鲁宁李娜
Owner UNIV OF JINAN
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