Buried gas pipe network leakage monitor

Abstract

The utility model discloses a buried gas pipe network leakage monitor which comprises a monitor body, the bottom end of the monitor body is provided with a pressure sensor, the bottom of the pressure sensor is provided with a connecting pipe, the bottom of the monitor body is provided with a mounting mechanism, and the mounting mechanism is provided with a pressure sensor. A placing box for placing the mounting mechanism is arranged outside the mounting mechanism, the mounting mechanism comprises a clamping assembly and a cushioning assembly, and a mounting plate is arranged between the clamping assembly and the cushioning assembly; by utilizing the design of the monitor body, the placing box, the mounting plate and the mounting mechanism, the monitor body is separated from the well wall of the valve well and is mounted in the placing box at the top end of the connecting pipe, so that when natural gas is stably conveyed, the vibration of the connecting pipe can be kept at a stable numerical value and cannot be greatly changed, and the safety of the natural gas is ensured. Therefore, vibration can be absorbed through the cushioning assembly, so that the stability of the monitor body during continuous monitoring is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of gas, in particular to a buried gas pipe network leakage monitor. Background Art

[0002] As a clean energy, natural gas is spread throughout every corner of the city, providing convenience for people. The gas pipelines for natural gas transportation are buried underground. Natural gas leakage can cause explosions, so natural gas leakage monitoring is very important. The existing gas pipeline network will install leakage monitors at the location of the valve well. The installation method is to connect the monitor to the well wall of the valve well through fixing bolts, and the top of the valve well is flush with the ground. When a vehicle passes by the top of the valve well, vibrations will be generated, which will be transmitted to the monitor through the well body, thereby affecting the monitor. Utility Model Content

[0003] The purpose of the utility model is to provide a buried gas pipeline network leakage monitor to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a buried gas pipeline leakage monitor, comprising a monitor body, a pressure sensor for air pressure monitoring is arranged at the bottom of the monitor body, a connecting pipe for connecting to the gas pipeline is arranged at the bottom of the pressure sensor, a mounting mechanism for placing the monitor body is arranged at the bottom of the monitor body, a placement box for placing the mounting mechanism is arranged on the outside of the mounting mechanism, the mounting mechanism comprises a clamping assembly and a shock-absorbing assembly, and a mounting plate is arranged between the clamping assembly and the shock-absorbing assembly.

[0005] Preferably, the bottom end of the placement box is fixedly connected to the outer wall of the connecting tube, and the top of the connecting tube is provided with a threaded tube for fixedly installing the pressure sensor.

[0006] Preferably, a cavity for placing the monitor body is provided inside the placement box, a guide groove for guiding the movement of the mounting plate is fixedly connected to the inner wall of the cavity, and a guide block for interlacing with the guide groove is fixedly connected to the outer wall of the mounting plate.

[0007] Preferably, a circular hole is respectively formed at the bottom end of the inner wall of the cavity and the bottom end of the mounting plate, and a connecting wire for connecting the monitoring instrument body and the pressure sensor is inserted into the inside of the circular hole.

[0008] Preferably, the shock-absorbing assembly includes a shock-absorbing spring, the top and bottom ends of which are fixedly connected to the bottom end of the mounting plate and the bottom end of the inner wall of the cavity respectively; a damping rod is sleeved inside the shock-absorbing spring, and the top and bottom ends of the damping rod are fixedly connected to the bottom end of the mounting plate and the bottom end of the inner wall of the cavity respectively.

[0009] Preferably, the clamping assembly includes a clamping plate, one side of the clamping plate is provided with a fixing piece for fixing the position of the clamping plate, one side of the clamping plate is fixedly connected to a protective pad for protecting the monitor body, and the other side of the clamping plate is fixedly connected to a mounting block for installing the fixing piece.

[0010] Preferably, a mounting hole is provided at the top of the mounting block, the fixing member includes a mounting bolt, a threaded hole for threaded insertion of the mounting bolt is provided at the top of the mounting plate, and the mounting bolt is inserted and connected with the mounting hole.

[0011] Technical effects and advantages of the utility model:

[0012] The utility model utilizes the design of a monitor body, a placement box, a mounting plate and a mounting mechanism. By separating the monitor body from the wall of the valve well, and installing it inside the placement box at the top of the connecting pipe, when the natural gas is stably transmitted, the vibration of the connecting pipe will maintain a stable value and will not change significantly, so that the vibration can be absorbed by the shock-absorbing component to ensure the stability of the monitor body during continuous monitoring. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0014] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model.

[0015] Figure 3 It is a three-dimensional structural diagram of the monitoring instrument body and the installation mechanism of the utility model.

[0016] In the figure: 1. Monitor body; 2. Pressure sensor; 3. Connecting pipe; 4. Placement box; 5. Mounting plate; 6. Guide block; 7. Guide groove; 8. Clamp assembly; 81. Clamp plate; 82. Protection pad; 83. Mounting block; 84. Mounting bolt; 9. Shock-absorbing assembly; 91. Shock-absorbing spring; 92. Damping rod. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] The utility model provides Figure 1-3The buried gas pipeline leakage monitor shown includes a monitor body 1, a pressure sensor 2 for air pressure monitoring is arranged at the bottom end of the monitor body 1, a connecting pipe 3 for connecting to the gas pipeline is arranged at the bottom of the pressure sensor 2, a mounting mechanism for placing the monitor body 1 is arranged at the bottom of the monitor body 1, a placement box 4 for placing the mounting mechanism is arranged outside the mounting mechanism, and the mounting mechanism includes a clamping assembly 8 and a shock-absorbing assembly 9, and a mounting plate 5 is arranged between the clamping assembly 8 and the shock-absorbing assembly 9.

[0019] Specifically, the bottom end of the placement box 4 is fixedly connected to the outer wall of the connecting tube 3 , and the top of the connecting tube 3 is provided with a threaded tube for fixedly installing the pressure sensor 2 .

[0020] Furthermore, the monitor body 1 is an existing model EN400-PNP pipe network pressure detector, the pressure sensor 2 is an existing gas pressure sensor, the connecting pipe 3 is connected to the gas pipe through a flange, and the pressure sensor 2 transmits the pressure data to the monitor body 1. When the gas pressure value is lower than the set threshold, a leakage alarm will be triggered, and an alarm prompt will be given through remote data transmission.

[0021] Specifically, a cavity is provided inside the placement box 4 for placing the monitor body 1, the inner wall of the cavity is fixedly connected with a guide groove 7 for guiding the movement of the mounting plate 5, the outer wall of the mounting plate 5 is fixedly connected with a guide block 6 for interlacing with the guide groove 7, circular holes are respectively provided at the bottom end of the inner wall of the cavity and the bottom end of the mounting plate 5, and connecting wires for connecting the monitor body 1 and the pressure sensor 2 are interlaced inside the circular holes.

[0022] Furthermore, six guide blocks 6 are provided, which are symmetrically arranged on the outer walls at both ends of the mounting plate 5. The number of guide grooves 7 corresponds to the number of guide blocks 6. The guide grooves 7 are concave in shape. The guide grooves 7 are fixedly connected to the inner wall of the cavity by welding. The guide blocks 6 are slidably and interlacedly connected to the guide grooves 7. The groove size of the guide grooves 7 matches the size of the guide blocks 6, so that when the mounting plate 5 moves, it can only move in the vertical direction.

[0023] Specifically, the shock-absorbing assembly 9 includes a shock-absorbing spring 91, the top and bottom ends of which are fixedly connected to the bottom end of the mounting plate 5 and the bottom end of the inner wall of the cavity, respectively. A damping rod 92 is sleeved inside the shock-absorbing spring 91, and the top and bottom ends of the damping rod 92 are fixedly connected to the bottom end of the mounting plate 5 and the bottom end of the inner wall of the cavity, respectively.

[0024] Furthermore, the shock absorbing components 9 can be provided in two or four groups, which are symmetrically arranged at the bottom end of the mounting plate 5. When the placement box 4 vibrates, the shock absorbing springs 91 and the damping rods 92 will absorb the vibration through elastic deformation at the same time to ensure the stability of the monitoring instrument body 1 when it is working.

[0025] Specifically, the clamping assembly 8 includes clamping plates 81. One side of the clamping plate 81 is provided with a fixing member for fixing the position of the clamping plate 81. One side of the clamping plate 81 is fixedly connected with a protective pad 82 for protecting the monitor body 1. The other side of the clamping plate 81 is fixedly connected with a mounting block 83 for mounting the fixing member. A mounting hole is opened at the top of the mounting block 83. The fixing member includes a mounting bolt 84. A threaded hole for the threaded insertion connection of the mounting bolt 84 is opened at the top of the mounting plate 5. The mounting bolt 84 is inserted through the mounting hole.

[0026] Furthermore, two clamping plates 81 are symmetrically arranged. The clamping plates 81 are in a U-shape and are symmetrically arranged on both sides of the monitor body 1. The mounting blocks 83 are arranged on the side of the clamping plates 81 away from the monitor body 1. The protective pad 82 is made of elastic rubber and is arranged on the opposite side of the two clamping plates 81. When the clamping plates 81 clamp the monitor body 1, the protective pad 82 can play a protective role for the monitor body 1. The mounting hole is a smooth round hole. The thread on the inner wall of the threaded hole meshes with the thread on the outer wall of the mounting bolt 84. By passing the mounting bolt 84 through the mounting hole and threading it through the threaded hole, the mounting block 83 is fixedly connected to the mounting plate 5, and the position of the clamping plate 81 is fixed, so as to keep the symmetrically arranged clamping plates 81 fixing the position of the monitor body 1 and realize the installation of the monitor body 1.

[0027] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A buried gas pipeline network leakage monitor, comprising a monitor body (1), a pressure sensor (2) for air pressure monitoring is arranged at the bottom of the monitor body (1), a connecting pipe (3) for connecting to a gas pipeline is arranged at the bottom of the pressure sensor (2), and the characteristics are: A mounting mechanism for placing the monitoring instrument body (1) is arranged at the bottom of the monitoring instrument body (1), a placement box (4) for placing the mounting mechanism is arranged outside the mounting mechanism, the mounting mechanism comprises a clamping assembly (8) and a shock absorbing assembly (9), and a mounting plate (5) is arranged between the clamping assembly (8) and the shock absorbing assembly (9).

2. The buried gas pipeline network leakage monitor according to claim 1, characterized in that: The bottom end of the placement box (4) is fixedly connected to the outer wall of the connecting tube (3), and the top of the connecting tube (3) is provided with a threaded tube for fixedly installing the pressure sensor (2).

3. The buried gas pipeline network leakage monitor according to claim 1, characterized in that: The placement box (4) has a cavity inside for placing the monitor body (1), the inner wall of the cavity is fixedly connected with a guide groove (7) for guiding the movement of the mounting plate (5), and the outer wall of the mounting plate (5) is fixedly connected with a guide block (6) for interlacing with the guide groove (7).

4. The buried gas pipeline network leakage monitor according to claim 3, characterized in that: The bottom end of the inner wall of the cavity and the bottom end of the mounting plate (5) are respectively provided with circular holes, and connecting wires for connecting the monitoring instrument body (1) and the pressure sensor (2) are inserted into the inside of the circular holes.

5. The buried gas pipeline network leakage monitor according to claim 3, characterized in that: The shock absorbing assembly (9) comprises a shock absorbing spring (91), the top end and the bottom end of the shock absorbing spring (91) are respectively fixedly connected to the bottom end of the mounting plate (5) and the bottom end of the inner wall of the cavity; a damping rod (92) is sleeved inside the shock absorbing spring (91), and the top end and the bottom end of the damping rod (92) are respectively fixedly connected to the bottom end of the mounting plate (5) and the bottom end of the inner wall of the cavity.

6. The buried gas pipeline network leakage monitor according to claim 1, characterized in that: The clamping assembly (8) comprises a clamping plate (81), one side of the clamping plate (81) is provided with a fixing piece for fixing the position of the clamping plate (81), one side of the clamping plate (81) is fixedly connected to a protection pad (82) for protecting the monitor body (1), and the other side of the clamping plate (81) is fixedly connected to a mounting block (83) for mounting the fixing piece.

7. The buried gas pipeline network leakage monitor according to claim 6, characterized in that: The top of the mounting block (83) is provided with a mounting hole, the fixing member comprises a mounting bolt (84), the top of the mounting plate (5) is provided with a threaded hole for the mounting bolt (84) to be threadedly inserted and connected, and the mounting bolt (84) is inserted and connected with the mounting hole.

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