Vibration detection device for coal bed gas pipeline

Abstract

The utility model discloses a coal bed gas pipeline vibration detection device, which relates to the technical field of coal bed gas pipelines and comprises a pipeline body and a protection box, a piezoelectric sensor is inserted into the protection box, a data line is fixedly arranged at one end of the piezoelectric sensor, a controller is arranged in the protection box, and one end of the data line is fixedly connected with the controller. A baffle is fixedly arranged in the protection box, a fixing plate is fixedly arranged in the protection box, a threaded rod is rotationally arranged on the fixing plate, connecting blocks are fixedly arranged on the two sides of the fixing plate, limiting rods are fixedly arranged on one sides of the connecting blocks, and connecting frames are slidably arranged on the limiting rods. The piezoelectric sensor and the controller are placed in the protection box, the end of the piezoelectric sensor is attached to the outer wall of the pipeline body, vibration of the pipeline body is detected, data are transmitted to the server through the controller, a worker judges the condition of the pipeline body according to the data, the service life of the vibration detection device is prolonged through the protection box, and the vibration detection device is convenient to use. And pipeline accidents are reduced.

Description

Technical Field

[0001] The utility model relates to the field of coal bed methane gas transmission pipelines, in particular to a coal bed methane gas transmission pipeline vibration detection device. Background Art

[0002] Coalbed methane refers to hydrocarbon gas with methane as the main component, mainly adsorbed on the surface of coal matrix particles and partially free in coal pores or dissolved in coal seam water. Coalbed methane refers to hydrocarbon gas with methane as the main component, mainly adsorbed on the surface of coal matrix particles and partially free in coal pores or dissolved in coal seam water. When the coalbed methane transmission pipeline vibrates, it is easy to cause gas leakage. Therefore, it is necessary to monitor the vibration of the pipeline in real time.

[0003] 1. At present, some vibration detection devices for coalbed methane pipelines located in the wild are very easy to be damaged due to poor protective devices and the harsh environment, which increases the safety risks of coalbed methane pipelines; 2. At present, the installation between the vibration detection device and the coalbed methane pipeline is very troublesome, and it cannot adapt to pipelines of different thicknesses, and its practicality is very low. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art, that is, the pipeline vibration detection device on the coalbed methane gas pipeline lacks protection, and the installation between the vibration detection device and the coalbed methane gas pipeline is troublesome, and to propose a coalbed methane gas pipeline vibration detection device.

[0005] In order to solve the problems existing in the prior art, the utility model adopts the following technical solutions:

[0006] A coalbed methane gas transmission pipeline vibration detection device comprises a pipeline body and a protection box, a piezoelectric sensor is inserted in the protection box, a data line is fixed at one end of the piezoelectric sensor, a controller is arranged in the protection box, one end of the data line is fixedly connected to the controller, a baffle is fixedly arranged inside the protection box, a fixing plate is fixedly arranged inside the protection box, a threaded rod is rotatably arranged on the fixing plate, connecting blocks are fixedly arranged on both sides of the fixing plate, limiting rods are fixedly arranged on one side of the connecting block, a connecting frame is slidably provided on the limiting rod, the middle part of the connecting frame is threadedly connected to the threaded rod, a pair of clamping blocks are fixedly arranged at the end of the connecting frame, a rotating ring is fixedly arranged at one end of the threaded rod, the clamping block is L-shaped, the clamping block is fitted with an outer wall of the controller, the controller comprises a communication module and a positioning unit, a protective cover is rotatably provided on the upper surface of the protection box, and a pair of positioning blocks are fixedly arranged on the outer wall of one end of the protection box.

[0007] Preferably, fixed blocks are fixed on both sides of the outer wall of the protection box, connecting belts are fixed on the fixed blocks, limiting blocks are fixed on both sides of the outer wall of the protection box, fixed frames are fixed on both sides of the outer wall of the protection box, a pair of rotating shafts are rotatably provided in the fixed frames, the limiting blocks are concave in shape, and both ends of the connecting belt pass through the limiting blocks.

[0008] Preferably, a plurality of fixing grooves are provided at one end of the connecting belt, a fixing column is fixedly provided at one side of the fixing frame, a moving block is slidably provided inside the fixing column, an insertion rod is fixedly provided at the lower end of the moving block, a pull rod is fixedly provided at one end of the insertion rod, a spring is sleeved on the pull rod, one end of the pull rod passes through the fixing column, and one end of the insertion rod passes through the fixing groove.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] 1. In the present invention, the piezoelectric sensor and the controller are placed in a protective box, the end of the piezoelectric sensor is attached to the outer wall of the pipeline body, the vibration of the pipeline body is detected, the data is transmitted to the server through the controller, the staff judges the condition of the pipeline body through the data, the life of the vibration detection device is extended through the protective box, and the occurrence of pipeline accidents is reduced;

[0011] 2. In the utility model, the connection belt is wound around the pipe body, and the rod is inserted through the fixing groove on the connection belt to fix the position of the connection belt, so that the protection box and the pipe body can be quickly connected together. Moreover, the connection belt is made of nylon and can adapt to different pipe sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the protection box structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the connecting belt structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the fixed column structure of the utility model;

[0017] Serial numbers in the figure: 1. Pipe body; 11. Protection box; 12. Piezoelectric sensor; 13. Data cable; 14. Controller; 15. Baffle; 16. Fixed plate; 17. Threaded rod; 18. Connecting block; 19. Limit rod; 191. Connecting frame; 192. Clamping block; 193. Rotating ring; 2. Protection cover; 21. Positioning block; 3. Fixed block; 31. Connecting belt; 32. Limit block; 33. Fixed frame; 34. Rotating shaft; 4. Fixed slot; 41. Fixed column; 42. Moving block; 43. Insert rod; 44. Spring; 45. Pull rod. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Embodiment 1: This embodiment provides a coal bed gas pipeline vibration detection device, see Figure 1-4 Specifically, it includes a pipeline body 1 and a protection box 11, a piezoelectric sensor 12 is inserted in the protection box 11, a data line 13 is fixed at one end of the piezoelectric sensor 12, a controller 14 is arranged in the protection box 11, one end of the data line 13 is fixedly connected to the controller 14, a baffle 15 is fixed inside the protection box 11, a fixing plate 16 is fixed inside the protection box 11, a threaded rod 17 is rotatably arranged on the fixing plate 16, connecting blocks 18 are fixed on both sides of the fixing plate 16, a limiting rod 19 is fixed on one side of the connecting block 18, a connecting frame 191 is slidably arranged on the limiting rod 19, the middle part of the connecting frame 191 is threadedly connected to the threaded rod 17, a pair of clamping blocks 192 are fixed at the end of the connecting frame 191, a rotating ring 193 is fixed at one end of the threaded rod 17, the clamping block 192 is L-shaped, and the clamping block 192 is in contact with the outer wall of the controller 14, and the controller 14 includes a communication module and a positioning unit. A protective cover 2 is rotatably provided on the upper surface of the protective box 11, and a pair of positioning blocks 21 are fixedly provided on the outer wall of one end of the protective box 11. The piezoelectric sensor 12 is inserted into the side wall of the protective box 11, with one end located outside the protective box 11. The controller 14 is placed in the protective box 11, with one side of the outer wall fitting with the baffle 15. The rotating ring 193 drives the threaded rod 17 to rotate, and the threaded rod 17 drives the connecting frame 191 to move laterally along the limit rod 19. The connecting frame 191 drives the clamping block 192 to move in the opposite direction to the controller 14 and fit with the outer wall of the controller 14. The controller 14 is fixed in the protective box 11, and then one end of the data cable 13 is connected to the piezoelectric sensor 12, and the other end is connected to the controller 14, so that the end of the piezoelectric sensor 12 fits with the outer wall of the pipeline body 1 to detect the vibration of the pipeline body 1. The data is transmitted to the server through the controller 14, and the staff judges the condition of the pipeline body 1 through the data.

[0020] Embodiment 2: In embodiment 1, there is still the problem of troublesome installation between the vibration detection device and the coalbed methane pipeline. Therefore, based on embodiment 1, this embodiment further includes:

[0021] In the specific implementation process, Figure 1 and Figure 3 As shown, fixed blocks 3 are fixed on both sides of the outer wall of the protection box 11, and connecting belts 31 are fixed on the fixed blocks 3. Limit blocks 32 are fixed on both sides of the outer wall of the protection box 11. Fixed frames 33 are fixed on both sides of the outer wall of the protection box 11. A pair of rotating shafts 34 are rotatably provided in the fixed frames 33. The limit blocks 32 are concave in shape. Both ends of the connecting belt 31 pass through the limit blocks 32. One end of the connecting belt 31 passes through the limit block 32 and is then put on the pipe body 1. The end is passed back through the limit block 32 and then passed through the middle of the rotating shaft 34 in the fixed frame 33 to tighten the connecting belt 31.

[0022] In the specific implementation process, Figure 3 and Figure 4 As shown, a plurality of fixing grooves 4 are provided at one end of the connecting belt 31, a fixing column 41 is fixedly provided at one side of the fixing frame 33, a moving block 42 is slidably provided in the fixing column 41, an insertion rod 43 is fixedly provided at the lower end of the moving block 42, a pull rod 45 is fixedly provided at one end of the insertion rod 43, a spring 44 is sleeved on the pull rod 45, one end of the pull rod 45 passes through the fixing column 41, and one end of the insertion rod 43 passes through the fixing groove 4, the moving block 42 slides along the fixing column 41 through the thrust of the spring 44, the moving block 42 drives the insertion rod 43 to move, and the insertion rod 43 passes through the fixing groove 4, the position of the connecting belt 31 is fixed, the protection box 11 is connected to the pipeline body 1, so that the end of the piezoelectric sensor 12 is always in contact with the outer wall of the pipeline body 1, the moving block 42 is driven to move by pulling the pull rod 45, and the spring 44 is squeezed to make the insertion rod 43 leave the fixing groove 4, and the connecting belt 31 can be removed.

[0023] Specifically, the working principle and operation method of the utility model are as follows:

[0024] Step 1: insert the piezoelectric sensor 12 on the side wall of the protection box 11, with one end located outside the protection box 11, put the controller 14 into the protection box 11, with one side of the outer wall in contact with the baffle 15, rotate the rotating ring 193 to drive the threaded rod 17 to rotate, and the threaded rod 17 drives the connecting frame 191 to move laterally along the limit rod 19, and the connecting frame 191 drives the clamping block 192 to move in the opposite direction of the controller 14, and in contact with the outer wall of the controller 14, and fix the controller 14 in the protection box 11, and then connect one end of the data line 13 to the piezoelectric sensor 12, and the other end to the controller 14, so that the end of the piezoelectric sensor 12 is in contact with the outer wall of the pipeline body 1, and the vibration of the pipeline body 1 is detected;

[0025] Step 2, pass one end of the connecting belt 31 through the limit block 32, then put it on the pipe body 1, pass the end back through the limit block 32, and then pass through the middle of the rotating shaft 34 in the fixed frame 33, tighten the connecting belt 31, and use the thrust of the spring 44 to let the moving block 42 slide along the fixed column 41. The moving block 42 drives the insertion rod 43 to move, and the insertion rod 43 passes through the fixed groove 4 to fix the position of the connecting belt 31, connect the protection box 11 to the pipe body 1, so that the end of the piezoelectric sensor 12 and the outer wall of the pipe body 1 are always in contact with the outer wall of the pipe body 1.

[0026] The utility model places a piezoelectric sensor 12 and a controller 14 into a protection box 11, and the end of the piezoelectric sensor 12 is in contact with the outer wall of the pipe body 1 to detect the vibration of the pipe body 1. The data is transmitted to the server through the controller 14. The staff judges the condition of the pipe body 1 through the data, and the service life of the vibration detection device is extended through the protection box 11 to reduce the occurrence of pipeline accidents. The connecting belt 31 is wrapped around the pipe body 1, and the connecting belt 31 is fixed by passing the fixing groove 4 on the connecting belt 31 through the insertion rod 43, so that the protection box 11 and the pipe body 1 can be quickly connected together. Moreover, the connecting belt 31 is made of nylon and can adapt to the sizes of different pipes.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A coalbed methane pipeline vibration detection device, comprising a pipeline body (1) and a protection box (11), characterized in that: A piezoelectric sensor (12) is inserted into the protection box (11), one end of the piezoelectric sensor (12) is fixedly provided with a data line (13), a controller (14) is provided in the protection box (11), one end of the data line (13) is fixedly connected to the controller (14), a baffle (15) is fixedly provided inside the protection box (11), a fixing plate (16) is fixedly provided inside the protection box (11), a threaded rod (17) is rotatably provided on the fixing plate (16), connecting blocks (18) are fixedly provided on both sides of the fixing plate (16), one side of each connecting block (18) is fixedly provided with a limiting rod (19), a connecting frame (191) is slidably provided on the limiting rod (19), the middle part of the connecting frame (191) is threadedly connected to the threaded rod (17), a pair of clamping blocks (192) are fixedly provided at the end of the connecting frame (191), and a rotating ring (193) is fixedly provided at one end of the threaded rod (17).

2. A coal bed methane pipeline vibration detection device according to claim 1, characterized in that: A protective cover (2) is rotatably provided on the upper surface of the protection box (11), and a pair of positioning blocks (21) are fixedly provided on the outer wall of one end of the protection box (11).

3. A coalbed methane pipeline vibration detection device according to claim 1, characterized in that: Fixed blocks (3) are fixedly provided on both sides of the outer wall of the protection box (11), and connecting belts (31) are fixedly provided on the fixed blocks (3). Limiting blocks (32) are fixedly provided on both sides of the outer wall of the protection box (11). Fixed frames (33) are fixedly provided on both sides of the outer wall of the protection box (11), and a pair of rotating shafts (34) are rotatably provided in the fixed frames (33).

4. A coalbed methane pipeline vibration detection device according to claim 3, characterized in that: A plurality of fixing grooves (4) are provided at one end of the connecting belt (31), a fixing column (41) is fixedly provided at one side of the fixing frame (33), a moving block (42) is slidably provided inside the fixing column (41), an insertion rod (43) is fixedly provided at the lower end of the moving block (42), a pull rod (45) is fixedly provided at one end of the insertion rod (43), and a spring (44) is sleeved on the pull rod (45).

5. A coal bed methane pipeline vibration detection device according to claim 4, characterized in that: One end of the pull rod (45) passes through the fixing column (41), and one end of the insertion rod (43) passes through the fixing groove (4).

6. A coal bed methane pipeline vibration detection device according to claim 3, characterized in that: The limiting block (32) is concave in shape, and both ends of the connecting belt (31) pass through the limiting block (32).

7. A coal bed methane pipeline vibration detection device according to claim 1, characterized in that: The clamping block (192) is L-shaped, and the clamping block (192) fits the outer wall of the controller (14).

8. A coal bed methane pipeline vibration detection device according to claim 1, characterized in that: The controller (14) comprises a communication module and a positioning unit.

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