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Spherical dual-seal plugging device

An occluder, spherical technology, applied in the direction of pipes/pipe joints/pipes, mechanical equipment, pipe components, etc., can solve the problem of no spherical double occluder structure or blocking principle, etc.

Inactive Publication Date: 2015-04-15
CHINA UNIV OF PETROLEUM (BEIJING)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is no relevant patent similar to the spherical double-seal occluder structure or occlusion principle in China.

Method used

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  • Spherical dual-seal plugging device
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Experimental program
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Embodiment Construction

[0017] The present invention is described in more detail below in conjunction with accompanying drawing:

[0018] Such as figure 1 , 2 As shown, the spherical double-seal occluder consists of a main support cylinder 1, a small rotating shaft 2, a rotating hydraulic cylinder 3, a gasket 4, an anchor sleeve 5, a rotating mandrel 6, an occluder housing 7, and a rear sealing rubber cylinder 8. An isolation ring 9, a front sealing rubber cylinder 10, a occluder ball cover 14, an inner hexagon screw 15, and a driving hydraulic cylinder 16 are composed. The main support cylinder 1 mainly acts as a guide and support during the process of the plugging device being lowered into the pipeline. The main support cylinder 1 is designed with a plugging machine coupling hole 12 for the plugging machine, and the plugging machine passes through the coupling hole 12 of the plugging machine. Connect, send the spherical occluder through the splint valve into the pipeline.

[0019] Such as figur...

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Abstract

The invention provides a spherical dual-seal plugging device. The device comprises a main support cylinder 1, a small rotary shaft 2, a rotary hydraulic cylinder 3, a washer 4, an anchoring sleeve 5, a rotary mandrel 6, a plugging device casing 7, a rear sealing rubber sleeve 8, an isolation ring 9, a front sealing rubber sleeve 10, a plugging device ball cover 14, an inner hexagon screw 15 and a driving hydraulic cylinder 16. The driving hydraulic cylinder 16, the plugging device ball cover 14, the plugging device casing 7, the front sealing rubber sleeve 10, the rear sealing rubber sleeve 8 and the isolation ring 9 form a plugging mechanism. The rotary hydraulic cylinder 3, the small rotary shaft 2, a rotary shaft 71 and the rotary mandrel 6 form a rotary mechanism of the spherical dual-seal plugging device. The anchoring sleeve 5, the washer 4 and a rotary hydraulic cylinder piston rod 31 form an anchoring mechanism of the spherical dual-seal plugging device. According to the plugging device, sections to be plugged of pipelines can be plugged under a non-stop conveying technology of pipelines.

Description

(1) Technical field [0001] The present invention relates to a kind of plugging device among plugging tools for oil and gas pipeline maintenance, in particular to a spherical double-sealer which can realize the plugging of pipelines under the process of opening and plugging holes under pressure without stopping. Occluder. (2) Background technology [0002] During the transportation process of oil and gas pipelines, in addition to planned pipeline maintenance and transformation, sudden accidents cannot be avoided, and maintenance operations on the original pipelines are required. In the past, it was required to stop the pipeline and empty the pipeline for maintenance, or only take some temporary remedial measures, which brought great safety hazards to the operation of oil and gas pipelines, and huge economic losses in pipeline transportation. The above-mentioned problems are solved by proposing the principle of non-stop transmission and pressure opening and sealing of pipelin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L55/10
Inventor 张行张仕民王文明王焱焦泉陈迎春李亨涛王思凡
Owner CHINA UNIV OF PETROLEUM (BEIJING)
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