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Variable diameter travelling type natural gas pipeline detection robot

A technology of natural gas pipelines and robots, which is applied in the direction of special pipes, pipe components, mechanical equipment, etc., can solve problems such as impassability, many elbows, and large pipe diameter changes, and achieve stable travel, prevent slipping, and simple structure.

Pending Publication Date: 2020-05-12
SOUTHWEST PETROLEUM UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, most pipeline inspection robots are driven by motors. Most of the driving motors of pipeline inspection robots are directly exposed inside the oil and gas pipelines, and no explosion-proof measures are added. Explosions are easily induced during the pipeline inspection process, which has certain potential safety hazards.
At the same time, the diameter of long-distance natural gas pipelines varies greatly and there are many elbows. It is difficult for ordinary wheeled pipeline robots to overcome obstacles, and they are prone to get stuck and unable to pass.

Method used

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  • Variable diameter travelling type natural gas pipeline detection robot
  • Variable diameter travelling type natural gas pipeline detection robot
  • Variable diameter travelling type natural gas pipeline detection robot

Examples

Experimental program
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Effect test

Embodiment 1

[0027] Embodiment 1. The present invention includes a variable diameter mechanism, a walking mechanism, a hydraulic cylinder and a detection device. A variable diameter mechanism is arranged at both ends of the hydraulic cylinder, and the bottom ends of the two ends of the variable diameter mechanism are connected to a walking mechanism. With detection device;

[0028] The reducing mechanism comprises a first spring push rod 4, a second spring push rod 5, a major shaft 6, a synchronous disk 7, a slide block 8, an auxiliary rod 9, a crank 10, a spring 11 and a wheel base 12; A digital camera mounting plate 24 is connected with the long axis 6 that runs through the synchronous disc 7, the slide block 8, the second support plate 2 and the third support plate 3, and the side of the slide block 8 is connected with the synchronous disc 7, and the synchronous disc 7 is connected to the first The support plates 1 are connected by the first spring push rod 4, the rear end of the first ...

Embodiment 2

[0032] Embodiment 2, on the basis of Embodiment 1, the number of auxiliary rods 9, cranks 10, and wheel bases 12 in the variable diameter mechanism at the front and rear ends of the robot is three, and the three wheel bases 12 are distributed at 120°. Within the radial circumference range, it is convenient for the robot to move in the pipeline.

Embodiment 3

[0033] Embodiment 3, on the basis of Embodiment 1, the front end of the long shaft 6 is filled with a rubber washer 25 to prevent rigid collision between the long shaft 6 and the synchronous disc 7 from damaging parts.

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Abstract

The invention discloses a variable diameter travelling type natural gas pipeline detection robot. The variable diameter travelling type natural gas pipeline detection robot comprises variable diametermechanisms, travelling mechanisms, a detection device and a hydraulic cylinder, the variable diameter mechanisms are arranged at the two ends of the hydraulic cylinder, the travelling mechanisms arecorrespondingly connected with the bottom ends of the variable diameter mechanisms at the two ends, and the detection device is connected with one side of the variable diameter mechanism at the rear end of the robot. According to the variable diameter travelling type natural gas pipeline detection robot, the hydraulic cylinder formed by a hydraulic cylinder plug, a hydraulic cylinder block, a first hydraulic pipe and a second hydraulic pipe achieves hydraulic drive, the use of a motor is avoided, the robot is safer in a pipeline, and the detection device is of a closed structure so as to makethe robot work more safely; and through each variable diameter mechanism composed of a long shaft, a synchronous disc, a sliding block, an auxiliary rod, a crank, a spring, a first spring push rod, asecond spring push rod and a wheel base, the structure is simple, a certain variable diameter capacity is achieved, and a spring sheet on the wheel base makes the robot have better obstacle surmounting ability.

Description

technical field [0001] The invention relates to the field of pipeline detection robots, in particular to a variable-diameter walking type natural gas pipeline detection robot. Background technique [0002] Pipeline inspection robot is an intelligent electromechanical device integrating drive technology, sensor technology, control technology and signal processing technology. It is mainly used for the detection of oil and gas pipelines, which can prevent oil and gas pipelines from leaking, improve the service life of pipelines, ensure the life safety of front-line staff, and improve detection efficiency. Due to the long transportation distance of the oil and gas pipeline, the limited space inside the pipeline, and the instability of the internal pressure with the flow of oil and gas, the pipeline detection robot is required to have the performance of explosion-proof, fast obstacle surmounting, etc. The adaptability to the environment of the pipeline robot, The driving charact...

Claims

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Application Information

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IPC IPC(8): F16L55/40F16L55/38F16L101/30
CPCF16L55/40F16L55/38F16L2101/30
Inventor 陈振李琴贺一烜冀楠何文刘婵付艾马搏远
Owner SOUTHWEST PETROLEUM UNIV
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