Automatic sealing mechanism of trenchless petroleum pipeline damage repairing device

Abstract

The invention discloses an automatic sealing mechanism of a trenchless petroleum pipeline damage repairing device. The automatic sealing mechanism comprises a telescopic adjusting mechanism, a repairing liquid spraying mechanism and a cleaning and gluing mechanism, wherein a repairing liquid spraying machine body comprises a main shaft shell, an air pump, a power supply, an air bag and glass fibermat cloth, the telescopic adjusting mechanism comprises a lead screw lifting assembly, and a rotating roller is arranged at the end part of the lead screw lifting assembly; the cleaning and gluing mechanism comprises a cleaning rotary disc and a gluing rotary disc, a rotating brush is arranged on the cleaning rotary disc, a glue opening is formed in the gluing mechanism, the glass fiber mat clothis wrapped on the outer wall of the air bag, and repairing liquid is arranged on the glass fiber mat cloth and is pasted to the damaged position of the pipeline through the glass fiber mat cloth. Therepairing effect on the inner wall of the pipeline can be greatly improved, and the inner wall of the pipeline can be cleaned through the cleaning and gluing mechanism; and meanwhile, sealant coatingcan be carried out, and the repairing effect on the inner wall of the pipeline can be greatly guaranteed.

Description

technical field [0001] The invention relates to the technical field of pipeline maintenance and repair, in particular to an automatic sealing mechanism of a non-excavation oil pipeline damage repair device. Background technique [0002] With the development of the petroleum industry, more and more pipelines are used in the field of petroleum transportation. Corrosion and rupture of pipelines will inevitably occur during long-term use. At this time, pipeline repair is very important. The restoration of pipelines is divided into excavation and non-excavation restoration methods, among which the excavation restoration method has a higher repair cost, and the non-excavation restoration can effectively save costs. [0003] The current non-excavation repair methods mainly include UV curing repair technology, spot repair technology, folded lining repair technology and polymer material repair technology. [0004] 1. Ultraviolet curing repair technology (for the whole repair) [00...

AI Technical Summary

Problems solved by technology

[0012] The existing spot repair technology often needs to arrange the traction mechanism to guide the device that enters the interior of the pipeline, and the adaptability of the device cannot be adjusted conveniently and efficiently for pipelines of different diameters;

[0013] At the same time, in the process of sealing the pipeline, because there are many impurities on the inner wall of the pipeline, the repair effect by glue coating and other repair methods is not good. At the same time, after the repair is completed, due to the flow of oil in the pipeline, the repair will The position caused a certain impact, so the repair effect is low

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