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Hinged buffer self-anchored buried oil and gas pipeline static explosion experiment device

A technology for oil and gas pipelines and experimental devices, which is applied to measuring devices, instruments, scientific instruments, etc. It can solve the problems that the impact of blasting load cannot be alleviated, and the impact of blasting load cannot be independently measured, so as to ensure the independence of deformation and optimize the fastening effect. , the effect of ensuring independence

Pending Publication Date: 2021-06-08
XI'AN PETROLEUM UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing applications in structural response and safety evaluation experiments under explosive loads often directly connect the experimental device to the experimental oil and gas pipeline, which causes the problem of coupling between the deformation of the experimental oil and gas pipeline and the deformation of the experimental device when the explosive load is applied , so that the impact of the blast load on the experimental oil and gas pipeline cannot be independently measured, and the impact of the blast load on the support cannot be alleviated

Method used

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  • Hinged buffer self-anchored buried oil and gas pipeline static explosion experiment device
  • Hinged buffer self-anchored buried oil and gas pipeline static explosion experiment device
  • Hinged buffer self-anchored buried oil and gas pipeline static explosion experiment device

Examples

Experimental program
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Effect test

Embodiment 1

[0029] like Figure 1-3 As shown, the hinged buffer self-anchored buried oil and gas pipeline static explosion test device provided by the present invention includes: channel steel 1, a plurality of adjustable ground anchor mechanisms 7, two spherical hinge spring supports, a plurality of pressure sensors 15, The acceleration sensor 16 and the data processor, the channel steel 1, are provided with a plurality of installation holes; a plurality of adjustable ground anchor mechanisms 7, and each adjustable ground anchor mechanism 7 passes through different installation holes to fix the channel steel 1 to the experimental ground; Two ball hinge spring bearings are fixedly connected to the two ends of the channel steel 1 respectively. The two ball hinge spring bearings all include a seat body 4, a snap ring 3 and a plurality of springs 19. One end of the seat body 4 is connected to the channel steel 1. Fixed connection, the other end of the seat body 4 is provided with a semicircu...

Embodiment 2

[0034] On the basis of Example 1, in order to prevent the experimental oil and gas pipeline 8 from being subjected to the impact load of the explosion, the ground anchor mechanism is not fixed firmly and the entire experimental device becomes loose, which affects the accuracy of the experimental data.

[0035] like figure 1 and 5 As shown, wherein, the adjustable ground anchor mechanism 7 includes a casing 18 and a screw 14, the casing 18 is fixedly connected with the channel steel 1 through the installation hole, and the hole of the casing 18 is provided with the Described screw rod 14 matches internal thread, and described screw rod 14 one end is inserted underground through sleeve pipe 18 pipe holes, and screw rod 14 is threadedly connected with sleeve pipe 18 pipe holes, and screw rod 14 other end is provided with knob 10.

[0036] like Figure 5 and 6As shown, wherein the adjustable ground anchor mechanism 7 also includes a pull rod 9, one end of the pull rod 9 is prov...

Embodiment 3

[0039] On the basis of Example 1, in order to reduce the impact of the explosion load on the base body 4 and prevent the base body 4 from being deformed by the impact, the deformation independence of the experimental oil and gas pipeline 8 is effectively ensured.

[0040] like image 3 and 4 As shown, wherein, the inner wall of the semicircular notch 5 of the seat body 4 and the inner wall of the clasp 3 are fixedly connected with a honeycomb energy-absorbing material layer 13, and each spring 19 passes through the honeycomb absorbing material at the end far away from the experimental oil and gas pipeline 8. The energy material layer 13 is fixedly connected with the inner wall of the semicircular notch 5 or the inner wall of the snap ring 3 .

[0041] The honeycomb energy-absorbing material layer 13 is inlaid on the inner wall of the semicircular notch 5 of the seat body 4 and the inner wall of the clasp 3 , and the honeycomb energy-absorbing material layer 13 isolates the im...

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Abstract

The invention discloses a hinged buffer self-anchored buried oil and gas pipeline static explosion experiment device, and belongs to the technical field of oil and gas pipeline experiment equipment. The hinged buffer self-anchored buried oil and gas pipeline static explosion experiment device comprises channel steel provided with a plurality of mounting holes; a plurality of adjustable ground anchor mechanisms, wherein each adjustable ground anchor mechanism passes through different mounting holes to fix the channel steel on the experimental ground; two spherical hinge spring supports which are fixedly connected to the two ends of the channel steel correspondingly, wherein each spherical hinge spring support comprises a base body, a clamping ring and a plurality of springs; a plurality of pressure sensors which are uniformly distributed on the explosion-back surface of the outer wall of an experimental oil and gas pipeline; an acceleration sensor which is arranged on the explosion-back surface of the outer wall of the experimental oil and gas pipeline; and a data processor. According to the hinged buffer self-anchored buried oil and gas pipeline static explosion experimental device, soft contact between the experimental oil and gas pipeline and the seat body and the clamping ring is ensured, so that the independence of deformation of the experimental oil and gas pipeline is ensured, and the spherical hinge spring support ensures the non-coupling property of deformation of the experimental oil and gas pipeline.

Description

technical field [0001] The invention relates to the technical field of oil and gas pipeline experimental equipment, in particular to a hinged buffer self-anchored buried oil and gas pipeline static explosion experimental device. Background technique [0002] Oil and gas resources are important strategic materials of the country and also support the development of the national economy. As one of the five major transportation methods, pipeline transportation has the characteristics of low cost, high safety factor, and high transmission efficiency. Therefore, pipeline transportation is widely used in two-thirds of the world's oil and gas transportation. In recent years, accidental explosions have occurred frequently all over the world. Coupled with the impact of artificial blasting construction, explosive loads have become one of the main threats to buried oil and gas pipelines being damaged by third parties. The safety evaluation experiments of buried oil and gas pipelines und...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/313G01N3/04
CPCG01N3/313G01N3/04G01N2203/001G01N2203/0274G01N2203/0075G01N2203/0682
Inventor 崔莹杨睿武丹张煜敏方军
Owner XI'AN PETROLEUM UNIVERSITY
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