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Rust removing machine special for petroleum pipeline

A technology for oil pipelines and rust removal machines, which is applied in the direction of grinding workpiece supports, grinders, metal processing equipment, etc. The effect of reducing the duty cycle

Inactive Publication Date: 2015-07-22
CHENGDU LAIBAO PETROLEUM EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the defects of low efficiency of manual derusting, high operating intensity and easy to cause harm to the construction personnel, the present invention provides a derusting machine specially used for oil pipelines

Method used

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  • Rust removing machine special for petroleum pipeline
  • Rust removing machine special for petroleum pipeline

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Such as figure 1 , figure 2 As shown, a derusting machine specially used for oil pipelines includes an annular rotating plate 2 sleeved on the outer diameter of the oil drill pipe 1, and the inner wall of the annular rotating plate 2 has a ring cavity; The clamping device 3 arranged in the ring cavity and the derusting device 4 fixed on the lower surface of the annular rotating plate 2; the clamping device 3 includes a support rod 6 which is slidably arranged in the ring cavity, and also includes two ends connected with the ring cavity respectively. The inner wall of the spring 7 connected to the rear end of the support rod 6, the front end of the support rod 6 passes through the opening of the ring cavity and is arranged outside the ring cavity, and also includes the universal ball 8 arranged at the front end of the support rod 6.

[0016] In this embodiment, when the annular rotating plate 2 is not sleeved on the oil drilling pipe 1, the spring 7 will be in the orig...

Embodiment 2

[0018] In this embodiment, on the basis of Embodiment 1, the derusting device 4 includes a connecting block 9, a connecting rod 10 connected to the connecting block 9, and a polishing body 11 fixed at the end of the connecting rod 10, and the side of the connecting block 9 is arranged on On the lower surface of the annular rotating plate 2.

[0019] The abrasive body 11 in this embodiment can derust the oil drill pipe 1 when the annular rotating plate 2 moves or rotates up and down along the axis of the oil drill pipe 1, and the effect of using a quartz stone abrasive sheet is better.

Embodiment 3

[0021] On the basis of Embodiment 1 or Embodiment 2, the present embodiment also includes a rotary table 12 arranged above the oil drilling rod 1 and a hydraulic cylinder 5 evenly arranged on the rotary table 12 around the rotating shaft of the rotary table 12. The piston rod is connected with the annular rotating plate 2.

[0022] The arrangement of the hydraulic cylinder 5 and the rotary table 12 in this embodiment can drive the annular rotating plate 2 to move up and down and rotate, without the need for staff to operate, the efficiency is high, and the working cycle is reduced.

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Abstract

The invention provides a rust removing machine special for a petroleum pipeline. The rust removing machine special for the petroleum pipeline comprises an annular rotating plate arranged on the outer diameter of a petroleum drill stem in a sleeving mode, annular cavities are formed in the inner wall of the annular rotating plate, and the rust removing machine special for the petroleum pipeline further comprises clamping devices which are arranged in the corresponding annular cavities evenly around the center of the annular rotating plate and rust removing devices fixed on the lower surface of the annular rotating plate; each clamping device comprises a support rod, a spring and a universal ball, wherein each support rod is arranged in the corresponding annular cavity in a sliding mode, the two ends of each spring are connected with the inner wall of the corresponding annular cavity and the rear end of the corresponding support rod respectively, the front end of each support rod penetrates through an opening of the corresponding annular cavity and is arranged outside the corresponding annular cavity, and the universal balls are arranged at the front ends of the support rods. Accordingly, due to the fact that the springs and the universal balls are arranged, the rust removing machine special for the petroleum pipeline can be suitable for petroleum drill steams with different sizes.

Description

technical field [0001] The invention relates to a derusting device, in particular to a derusting machine specially used for oil pipelines. Background technique [0002] After the oil drill pipe is used, a dirt layer and a rust layer will be formed on the surface. During equipment maintenance, the oil drill pipe needs to remove the dirt layer and rust layer on the surface. Now, the dirt layer and rust layer are generally removed manually by hand-held grinders. However, the manual removal method has a long construction period, high operation intensity and extremely low efficiency. Furthermore, due to the existence of petroleum substances and rust substances on the surface of the used oil drill pipe, during grinding, the high temperature and high-speed rotation effect will easily cause the rust dust to be lifted into the air, causing construction workers to inhale the dust. Contents of the invention [0003] In order to solve the defects of low efficiency of manual descaling...

Claims

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Application Information

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IPC IPC(8): B24B27/033B24B41/06
CPCB24B27/033B24B41/067
Inventor 谭正怀
Owner CHENGDU LAIBAO PETROLEUM EQUIP
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