Coated oil drill pipe surface derusting device

Abstract

The invention discloses a cladding-type petroleum drill pipe surface rust removing device. The cladding-type petroleum drill pipe surface rust removing device comprises an annular rotary plate arranged on the outer diameter of a petroleum drill pipe in a sleeved mode, a plurality of sleeves are arranged on the outer surface of the annular rotary plate, and the two ends of each sleeve are opened. The cladding-type petroleum drill pipe surface rust removing device further comprises a sliding column penetrating through the annular rotary plate, one end of the sliding column extends into the inner cavity in each sleeve, the sleeves and the sliding column are connected in a sleeved through threads, the end, extending into the sleeves, of the sliding column is a rotary knob end, and a strip-shaped groove is formed in the end face of the rotary knob end; a universal ball is connected to the other end of the sliding column and connected to the outer diameter face of the petroleum drill pipe in a pressed mode; three vertexes of a triangular plate are connected with the annular rotary plate through three connecting columns, the triangular plate is connected with a hydraulic cylinder, an output shaft of the hydraulic cylinder penetrates through the triangular plate and points to the petroleum drill pipe, an arc-shaped embracing plate is connected to the outer diameter face of the petroleum drill pipe in a pressed mode, and abrasive paper is arranged on the side, facing towards the petroleum drill pipe, of the arc-shaped embracing plate. The cladding-type petroleum drill pipe surface rust removing device can be used for fast removing substances on the surface of the petroleum drill pipe and reduce manual labor intensity.

Description

technical field [0001] The invention relates to a coated oil drilling rod surface derusting device. Background technique [0002] After use, the surface of the oil drill pipe will form a dirt layer and rust layer. During equipment maintenance, the oil drill pipe needs to remove the dirt layer and rust layer on the surface. The operation of the prior art is to use a manual hand-held grinder for grinding. To remove the dirt layer and rust layer, this method has the following disadvantages: the construction period is long, the construction personnel’s operation intensity is high, and the efficiency is extremely low. It takes at least 3 days to remove an oil drill pipe, and other auxiliary equipment is needed to help rotate it. The construction environment of oil drill pipe is harsh. Due to the existence of petroleum substances and rust substances on the surface of the used oil drill pipe, when grinding, the high temperature and high-speed rotation will lift the rust dust into t...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a coated oil drill pipe surface derusting device, which can solve the problem of quickly cleaning the surface substances of oil drill pipes and reduce the labor intensity.

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