Automatic rust-removing polisher for inner wall of petroleum pipeline

Abstract

The invention relates to an automatic rust-removing polisher for the inner wall of a petroleum pipeline. The automatic rust-removing polisher comprises an inner wall automatic walking device which can walk on the inner wall of the pipeline in four directions in a self-stabilization mode, has four kinds of walking support force uniformly distributed and is good in uniform supporting performance and self-stabilization walking performance. Situations including rollover and vertical vibration possibly existing in the walking process are eliminated, an inner wall rust removing device is installed at the right side of the inner wall automatic walking device and can fast scrap impurities on the inner wall of the pipeline, remove rust and polish the inner wall, the rust removing and polishing time is short, and the rust removing and polishing effect is good; the inner wall automatic walking device comprises two inner wall automatic walking branch chains, four connecting rib columns are symmetrically connected between the two inner wall automatic walking branch chains, and two telescopic walking branch chains are symmetrically installed at the lower ends of the two inner wall automatic walking branch chains. The automatic rust-removing polisher can stably scrap the impurities on the inner wall of the pipeline, remove rust and polish the inner wall and is high in working efficiency.

Description

technical field [0001] The invention relates to the technical field of petroleum pipeline machinery, in particular to an automatic derusting and grinding machine for the inner wall of petroleum pipelines. Background technique [0002] With the rapid development of the petroleum industry, more and more oil pipelines and water injection pipelines are used in oil fields. Oil and water usually contain corrosive substances, which often lead to pipeline corrosion damage, especially the life of oil pipelines with high water content and sewage reinjection pipelines is greatly shortened, and the replacement of new pipelines faces huge costs. Corroded old pipelines need anti-corrosion treatment. The main way of oil pipeline anti-corrosion is to spray anti-corrosion coating on the inner wall of the pipeline. Before the existing automation equipment is sprayed with anti-corrosion coating, it is usually necessary to carry out the following processes on the inner wall of the oil pipeline:...

AI Technical Summary

Problems solved by technology

[0003] In order to solve the above problems, the present invention provides an automatic derusting and grinding machine for the inner wall of petroleum pipelines, which can solve the problems of poor uniform support performance of the inner wall of the equipment pipeline, poor self-stable walking performance of the equipment, and long time for derusting and grinding. Long length, poor derusting and grinding effect and low work efficiency, etc., can realize the stable impurity scraping and derusting and grinding functions of the inner wall of the oil pipeline, high working efficiency, and has good uniform support performance on the inner wall of the pipeline, good self-stable walking performance of the equipment, The advantages of short derusting and grinding time, good derusting and grinding effect and high work efficiency

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