Oil and gas transmission pipeline body stress deformation detection device

Abstract

The utility model discloses an oil and gas transmission pipeline body stress deformation detection device, comprising a housing, the inner surface of the housing is fixedly connected with a first telescopic rod, one end of the first telescopic rod far away from the housing is fixedly connected with a detection sheet mounting seat, the inner surface of the detection sheet mounting seat is fixedly connected with a resistance-type strain gauge, and the resistance-type strain gauge is fixedly connected with the detection sheet mounting seat. The outer surface of the resistance-type strain gauge is electrically connected with an electric wire, one end, away from the resistance-type strain gauge, of the electric wire is electrically connected with a display device, the upper surface of the detection sheet mounting seat is fixedly connected with a dust suction port, the cleaning mechanism is arranged to clean the outer wall of the pipeline when the pipeline is detected, and it is guaranteed that the outer wall of the pipeline is free of impurities; the detection device has the advantages that the accuracy of detection results is improved, the abrasion rate of the pipeline to the detection sheet is reduced, the service life of the detection device is prolonged, the damage of impurities to the detection device is prevented, the repeated repair and maintenance of the detection device are avoided, the company cost is saved, and the detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline detection devices, in particular to a stress deformation detection device for an oil and gas transmission pipeline body. Background Art

[0002] Oil pipelines are used to transport petroleum over long distances. During the laying and normal operation of oil pipelines, they need to be inspected regularly or irregularly to ensure that they are not damaged or leaking. Furthermore, stress testing can be performed on the oil pipelines to detect in advance whether there are defects or hidden dangers in the internal structure of the oil pipelines.

[0003] However, the existing detection devices do not clean the pipeline during detection, which causes dirt or impurities attached to the outer wall of the pipeline to affect the detection results, accelerate the wear of the detection piece, and reduce the service life of the detection device. It may also cause damage to the detection device, requiring repeated repair and maintenance, affecting the efficiency of the detection work. After searching, it was found that the technical solution provided by the utility model with application number CN202320414158.8 also has the above-mentioned problems. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide an oil and gas transmission pipeline body stress deformation detection device. By setting a cleaning mechanism, the outer wall of the pipeline can be cleaned first when detecting the pipeline to ensure that the outer wall of the pipeline is free of impurities, thereby improving the accuracy of the detection result and reducing the rate of wear of the detection piece by the pipeline, extending the service life of the detection device, and preventing impurities from damaging the detection device, thereby avoiding repeated repair and maintenance of the detection device and saving company costs and improving detection efficiency.

[0005] The utility model also provides an oil and gas pipeline body stress deformation detection device having the above-mentioned type, comprising: a shell, an inner surface of the shell is fixedly connected to a first telescopic rod, an end of the first telescopic rod away from the shell is fixedly connected to a detection piece mounting seat, an inner surface of the detection piece mounting seat is fixedly connected to a resistive strain gauge, an outer surface of the resistive strain gauge is electrically connected to an electric wire, an end of the electric wire away from the resistive strain gauge is electrically connected to a display device, an upper surface of the detection piece mounting seat is fixedly connected to a dust suction port, an outer surface of the dust suction port is fixedly connected to a dust suction hose, and an end of the dust suction hose away from the dust suction port is fixedly connected to a dust suction device.

[0006] A cleaning mechanism, the cleaning mechanism includes a motor, a transmission gear, a circular rack, a rotating plate, a second telescopic rod, a mounting plate and a brush, the output end of the motor is fixedly connected to the transmission gear, the outer surface of the transmission gear is rollingly connected to the circular rack, the lower surface of the circular rack is fixedly connected to the rotating plate, the inner surface of the rotating plate is fixedly connected to the second telescopic rod, the end of the second telescopic rod away from the rotating plate is fixedly connected to the mounting plate, and the inner surface of the mounting plate is fixedly connected to the brush. By setting up the cleaning mechanism, the outer wall of the pipeline can be cleaned first when detecting the pipeline to ensure that there is no impurity on the outer wall of the pipeline, while improving the accuracy of the detection result, reducing the rate of wear of the detection piece by the pipeline, extending the service life of the detection device, and preventing impurities from damaging the detection device, avoiding repeated repair and maintenance of the detection device, saving company costs and improving detection efficiency.

[0007] According to the oil and gas pipeline body stress deformation detection device, the inner surface of the shell is provided with a limit groove, and the inner surface of the limit groove is slidably connected to the rotating plate, which is convenient for the installation of the rotating plate and helps to adjust the position of the brush.

[0008] According to the oil and gas pipeline body stress deformation detection device, the outer surface of the shell is fixedly connected to the display device, and the outer surface of the shell is fixedly connected to the dust collection device.

[0009] According to the oil and gas pipeline body stress deformation detection device, the lower surface of the motor is fixedly connected to the outer shell, and the outer surface of the motor output end is rotatably connected to the outer shell, so that the motor drives the rotating plate to rotate and the brush can clean the outer wall of the pipeline.

[0010] According to the oil and gas pipeline body stress deformation detection device, the inner surface of the shell is fixedly connected with a telescopic frame, and the end of the telescopic frame away from the shell is fixedly connected with a driving wheel, so that the device can drive the detection by itself and is convenient for personnel to operate.

[0011] According to the device for detecting stress and deformation of an oil and gas pipeline body, the outer surface of the rotating plate is slidably connected to the outer shell, and the outer surface of the circular rack is slidably connected to the outer shell.

[0012] According to the device for detecting stress and deformation of an oil and gas pipeline body, the outer surface of the vacuum hose is connected to the outer shell, and the number of the first telescopic rods is four and arranged in a circular array.

[0013] According to the device for detecting stress and deformation of an oil and gas pipeline body, the outer surface of the electric wire is connected to the detection piece mounting seat, and the number of the second telescopic rods is four and arranged in a circular array.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is the overall structure diagram of a stress deformation detection device for an oil and gas pipeline body according to the utility model;

[0017] Figure 2 This is a cross-sectional view of a device for detecting stress and deformation of an oil and gas pipeline body according to the utility model;

[0018] Figure 3 This is an internal structure diagram of a stress deformation detection device for an oil and gas pipeline body according to the utility model;

[0019] Figure 4 for Figure 3 Enlarged schematic diagram at point A in the middle.

[0020] Legend:

[0021] 1. Housing; 2. First telescopic rod; 3. Detection piece mounting base; 4. Resistive strain gauge; 5. Electric wires; 6. Display device; 7. Dust suction port; 8. Dust suction hose; 9. Dust suction device; 10. Motor; 11. Transmission gear; 12. Circular rack; 13. Rotating plate; 14. Second telescopic rod; 15. Mounting plate; 16. Brush; 17. Limiting groove; 18. Telescopic frame; 19. Driving wheel. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4The utility model embodiment is a device for detecting the stress and deformation of an oil and gas pipeline body, comprising: a shell 1, a limiting groove 17 is arranged on the inner surface of the shell 1, a telescopic frame 18 is fixedly connected to the inner surface of the shell 1, and a driving wheel 19 is fixedly connected to the end of the telescopic frame 18 away from the shell 1, a first telescopic rod 2 is fixedly connected to the inner surface of the shell 1, and the number of the first telescopic rods 2 is four and annular array, and a detection piece mounting seat 3 is fixedly connected to the end of the first telescopic rod 2 away from the shell 1, and a resistance strain gauge 4 is fixedly connected to the inner surface of the detection piece mounting seat 3. The outer surface of the resistive strain gauge 4 is electrically connected to a wire 5, the outer surface of the wire 5 is connected to the detection piece mounting base 3, the end of the wire 5 away from the resistive strain gauge 4 is electrically connected to the display device 6, the outer surface of the outer shell 1 is fixedly connected to the display device 6, the upper surface of the detection piece mounting base 3 is fixedly connected to a dust suction port 7, the outer surface of the dust suction port 7 is fixedly connected to a dust suction hose 8, the outer surface of the dust suction hose 8 is connected to the outer shell 1, the end of the dust suction hose 8 away from the dust suction port 7 is fixedly connected to the dust suction device 9, and the outer surface of the outer shell 1 is fixedly connected to the dust suction device 9.

[0024] The cleaning mechanism includes a motor 10, a transmission gear 11, a circular rack 12, a rotating plate 13, a second telescopic rod 14, a mounting plate 15 and a brush 16. The number of the second telescopic rods 14 is four and they are arranged in a circular array. The outer surface of the circular rack 12 is slidably connected to the outer shell 1, the outer surface of the rotating plate 13 is slidably connected to the outer shell 1, the lower surface of the motor 10 is fixedly connected to the outer shell 1, the outer surface of the output end of the motor 10 is rotatably connected to the outer shell 1, the inner surface of the limiting groove 17 is slidably connected to the rotating plate 13, the output end of the motor 10 is fixedly connected to the transmission gear 11, the outer surface of the transmission gear 11 is rollingly connected to the circular rack 12, the lower surface of the circular rack 12 is fixedly connected to the rotating plate 13, the inner surface of the rotating plate 13 is fixedly connected to the second telescopic rod 14, the end of the second telescopic rod 14 away from the rotating plate 13 is fixedly connected to the mounting plate 15, and the inner surface of the mounting plate 15 is fixedly connected to the brush 16.

[0025] Working principle: Pass the pipe through the inside of the shell 1, and adjust the positions of the detection piece mounting seat 3, the mounting plate 15, and the driving wheel 19 through the first telescopic rod 2, the second telescopic rod 14 and the telescopic frame 18, so that the resistance strain gauge 4, the dust suction port 7, the brush 16 and the driving wheel 19 are in contact with the outer wall of the pipe. The motor 10 drives the circular rack 12 to rotate through the transmission gear 11, so that the rotating plate 13 rotates. At this time, the brush 16 will clean the outer wall of the pipe, and the driving wheel 19 is driven to move the entire device along the pipe. During the movement, the dust suction device 9 will absorb the impurities on the outer wall of the pipe brushed by the brush 16 through the dust suction hose 8 and the dust suction port 7. The resistance strain gauge 4 detects the pipe and transmits the data to the display device 6 through the wire 5 for the convenience of workers to record and judge.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A device for detecting stress and deformation of an oil and gas pipeline body, characterized in that: include: A shell (1), wherein the inner surface of the shell (1) is fixedly connected to a first telescopic rod (2), the end of the first telescopic rod (2) away from the shell (1) is fixedly connected to a detection piece mounting seat (3), the inner surface of the detection piece mounting seat (3) is fixedly connected to a resistance strain gauge (4), the outer surface of the resistance strain gauge (4) is electrically connected to an electric wire (5), the end of the electric wire (5) away from the resistance strain gauge (4) is electrically connected to a display device (6), the upper surface of the detection piece mounting seat (3) is fixedly connected to a dust suction port (7), the outer surface of the dust suction port (7) is fixedly connected to a dust suction hose (8), and the end of the dust suction hose (8) away from the dust suction port (7) is fixedly connected to a dust suction device (9); A cleaning mechanism, the cleaning mechanism comprising a motor (10), a transmission gear (11), a circular rack (12), a rotating plate (13), a second telescopic rod (14), a mounting plate (15) and a brush (16), wherein the output end of the motor (10) is fixedly connected to the transmission gear (11), the outer surface of the transmission gear (11) is rollingly connected to the circular rack (12), the lower surface of the circular rack (12) is fixedly connected to the rotating plate (13), the inner surface of the rotating plate (13) is fixedly connected to the second telescopic rod (14), one end of the second telescopic rod (14) away from the rotating plate (13) is fixedly connected to the mounting plate (15), and the inner surface of the mounting plate (15) is fixedly connected to the brush (16).

2. The device for detecting stress and deformation of an oil and gas pipeline body according to claim 1, characterized in that: The inner surface of the housing (1) is provided with a limiting groove (17), and the inner surface of the limiting groove (17) is slidably connected to the rotating plate (13).

3. The device for detecting stress and deformation of an oil and gas pipeline body according to claim 1, characterized in that: The outer surface of the housing (1) is fixedly connected to the display device (6), and the outer surface of the housing (1) is fixedly connected to the dust collection device (9).

4. The device for detecting stress and deformation of an oil and gas pipeline body according to claim 1, characterized in that: The lower surface of the motor (10) is fixedly connected to the housing (1), and the outer surface of the output end of the motor (10) is rotatably connected to the housing (1).

5. The device for detecting stress and deformation of an oil and gas pipeline body according to claim 1, characterized in that: A telescopic frame (18) is fixedly connected to the inner surface of the outer shell (1), and a driving wheel (19) is fixedly connected to one end of the telescopic frame (18) away from the outer shell (1).

6. The device for detecting stress and deformation of an oil and gas pipeline body according to claim 1, characterized in that: The outer surface of the rotating plate (13) is slidably connected to the outer shell (1), and the outer surface of the circular rack (12) is slidably connected to the outer shell (1).

7. The device for detecting stress and deformation of an oil and gas pipeline body according to claim 1, characterized in that: The outer surface of the dust suction hose (8) is connected to the outer shell (1), and the number of the first telescopic rods (2) is four and they are arranged in a circular array.

8. The device for detecting stress and deformation of an oil and gas pipeline body according to claim 1, characterized in that: The outer surface of the electric wire (5) is connected to the detection piece mounting seat (3), and the number of the second telescopic rods (14) is four and they are arranged in a circular array.

Images