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Automatic compensating type magnetic descaling pipe clearing device

A technology for automatic compensation and pigging, which is applied in the direction of cleaning hollow objects, cleaning methods and utensils, chemical instruments and methods, etc., can solve the problem of non-wearability of the sealing straight plate of the pig, and improve the one-time travel distance and sealing performance. , Reduce the gap, improve the cleaning effect and sealing performance

Pending Publication Date: 2019-05-24
SHENYANG XINLIAN PETROCHEM EQUIP CO LTD
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  • Abstract
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Problems solved by technology

[0003] The purpose of the present invention is to provide an automatic compensation type magnetic descaling pig to solve the problems in the prior art, so that the pig will automatically move outwards after the fan-shaped sealing straight plate is worn out during the running process to solve the problem. Solved the problem that the pig sealing straight plate is not wear-resistant

Method used

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  • Automatic compensating type magnetic descaling pipe clearing device
  • Automatic compensating type magnetic descaling pipe clearing device
  • Automatic compensating type magnetic descaling pipe clearing device

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] The purpose of the present invention is to provide an automatic compensation type magnetic descaling pig to solve the problems in the prior art, so that the pig will automatically move outwards after the fan-shaped sealing straight plate is worn out during the running process to solve the problem. Solved the problem that the pig sealing straight plate is not wear-resistant.

[0022] In order to make the above objects, features and advantages of the pres...

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Abstract

The invention discloses an automatic compensating type magnetic descaling pipe clearing device, which comprises a cylindrical shell. A main guiding shaft is arranged in the shell and provided with a thrust spring in a sleeved mode; one end of the thrust spring is connected with a top plate, and the other end of the thrust spring is connected with a bottom plate; the outer diameter of the bottom plate is larger than that of the shell; the inner side of the top plate is connected with a spring compression rope, and the tail end of the spring compression rope is connected with the bottom plate through a pull rope release; a cone body is arranged on the outer side of the top plate and sleeves the main guiding shaft; a universal ball is annularly arranged at the front end of the cone body and located at the other end of the shell; a plurality of fan-shaped sealing straight plates are arranged on the universal ball in a surrounding mode and can move in the radial direction of the main guiding shaft; and one sides of the sealing straight plates are sequentially provided with fixed guiding plates, steel brushes and leather cups. According to the automatic compensating type magnetic descaling pipe clearing device, in the traveling process of the pipe clearing device, the fan-shaped sealing straight plates automatically move outwards for compensating after being abraded, and the problemthat sealing straight plates of a pipe clearing device are not resistant to abrasion is solved.

Description

technical field [0001] The invention relates to the technical field of pipeline descaling, in particular to an automatic compensation type magnetic descaling pig. Background technique [0002] At present, there are many long-distance pipelines for oil and gas transmission in China. The long-distance pipelines need to be cleaned and tested regularly during operation. Especially before intelligent detection, the pipelines to be tested need to be thoroughly pigged, and the dirt and iron filings inside the pipelines need to be removed. The dirt must be completely cleaned, otherwise it will affect the effect of intelligent detection of pipeline magnetic flux leakage. Domestic pigs generally have unclean cleaning and poor wear resistance when pigging before intelligent detection. During the operation of the pig, the wear is serious, resulting in a gap between the pig cup and the inner upper wall of the pipeline. This gap leaks air. When the air leakage is too large, the pig stays...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B08B9/055
Inventor 郭作阳曹郝飞扬张颖博许琳媛刘博智杜春国韩艳军百瑞宋学浩马尚平
Owner SHENYANG XINLIAN PETROCHEM EQUIP CO LTD
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