Rotary pig
A pig, rotary type technology, applied in special pipes, pipe components, cleaning hollow objects, etc., can solve the problem of eccentric wear of the pig, and achieve the effect of preventing eccentric wear, uniform wear and low power.
Inactive Publication Date: 2017-03-08
SOUTHWEST PETROLEUM UNIV
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Problems solved by technology
[0005] Purpose of the present invention: In order to overcome the serious problem of eccentric wear of existing pigs, a rotary pig is specially provided
Method used
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[0017] The present invention is not limited by the following implementation examples, and specific implementation manners can be determined according to the technical solutions of the present invention and actual conditions. Combine below figure 1 , figure 2 , image 3 The present invention is described below. The positional relationship of up, down, left, right, etc. is based on the attached figure 1 determined by the layout direction.
[0018] The main body of the base 7 is cylindrical, the main body of the rotating sleeve 13 is cylindrical, the rotating sleeve 13 is set inside the base 7, and the sliding bearing 8 is arranged between the base 7 and the rotating sleeve 13 . A step is provided in the middle of the rotating sleeve 13, and the collar 9 cooperates with the step of the rotating sleeve 13 and axially fixes the rotating sleeve 13, and connects the collar 9 and the base 7 with bolts. More optimally, a thrust bearing is arranged between the rotating sleeve 13 a...
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The invention relates to a rotary pig which is applied to pipeline construction, such as pipeline pigging construction, pipeline detecting construction and pipeline coating construction, and aims at overcoming the problem of severe partial wearing of an existing pipe cleaning device. According to the technical scheme, the rotary pig is characterized in that a rotating sleeve is sleeved with a base, wherein the rotating sleeve is axially fixed to the base through a clamping ring; a leather cup is mounted at the outer end part of the rotating sleeve, and a cross frame is mounted in the rotating sleeve; the base is connected with a barrel body through a bolt; a planet gear reduction mechanism is arranged in the barrel body; a sun gear is mounted at an output shaft of a reduction motor; a planet carrier is connected with the cross frame through a central shaft; a cover plate and the leather cup are arranged at the end part of the barrel body; a storage battery is arranged in the barrel body. According to the rotary pig, the reduction motor and a planet gear are utilized to achieve speed reduction, the output rotating speed is low, and the torque of the motor can be extremely amplified, so that a low-power motor can be selected; the requirement on the electricity quantity of the storage battery is low; the rotary pig is applicable to long-distance pigging.
Description
technical field [0001] The invention relates to a rotary pig, which is used for pipeline construction such as pipeline pigging, detection and pipeline coating. Background technique [0002] Pipelines that transport fluids such as oil, water, and gas for a long time will face problems such as blockage, corrosion, and scaling. Regular dredging and inspection of pipelines are required. Different types of pigs are used for pipeline pigging and in-pipe inspection. There are many types of pigs, namely mandrel pigs, foam pigs, and integrated pigs. (Solid-cast Pig) and spherical pig (Sphere Pig). All the above types of pigs work like a piston in the pipeline, advancing under the push of the medium in the pipeline, and complete the pigging, pipeline inspection, pipeline coating and other work. [0003] Due to the influence of its own weight, the cup at the lower end of the pig is severely worn. On the other hand, impurities in the pipe are deposited below, among which abrasive par...
Claims
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IPC IPC(8): B08B9/055B08B13/00F16L55/28F16L101/12F16L101/16F16L101/30
CPCB08B9/055B08B13/00F16L55/28F16L2101/12F16L2101/16F16L2101/30
Inventor 梁政何虹钢张梁
Owner SOUTHWEST PETROLEUM UNIV