Industrial gas leakage positioning device

Abstract

The utility model discloses an industrial gas leakage positioning device, which relates to the technical field of gas leakage detection and comprises a first arc-shaped plate and a second arc-shaped plate, the first arc-shaped plate and the second arc-shaped plate are symmetrically arranged in an abutting mode, and annular air bags are fixedly arranged on the inner walls of the two sides of the first arc-shaped plate. Annular grooves are formed in the inner walls of the two sides of the second arc-shaped plate, one sides of the two annular air bags are clamped into the corresponding annular grooves, an air leakage alarm is fixedly arranged on one side of the first arc-shaped plate, and a trigger button is fixedly arranged on one side of the air leakage alarm. A fixing shell is fixedly arranged on one side of the air leakage alarm, one end of the trigger button extends to the inner side of the fixing shell, and a first piston is arranged in the fixing shell in a sliding mode. The pipeline node air leakage detection device can perform air leakage detection on pipeline nodes, can be conveniently matched with pipelines with different diameters, and is high in applicability.

Description

Technical Field

[0001] The utility model relates to the technical field of gas leakage detection, in particular to an industrial gas leakage positioning device. Background Art

[0002] Gases come in many categories, and most of them are easily volatilized into the atmosphere. Since most storage containers are highly sealed, gas leaks often occur at pipeline transportation nodes. Operators often only inspect storage containers but ignore the conditions at the pipelines. As a result, there is a lack of equipment to inspect pipeline nodes. As a result, if harmful gases are stored in containers, they will continue to overflow from the pipelines, causing dangerous accidents.

[0003] Among them, the announcement number CN216770920U discloses a positioning detection device for gas leakage, which relates to the technical field of gas leakage detection equipment, including: two alloy rings, one of which has an exhaust hole on its outer wall, and a gas collecting cylinder fixedly installed on the inner wall of the exhaust hole. There are still defects in this technical solution;

[0004] In this technical solution, since the sizes of the two alloy rings are fixed, they can only be combined with pipes with matching diameters. When testing pipes with different diameters, it is necessary to use testing devices of different specifications, which is very inconvenient. Utility Model Content

[0005] In view of the above problems existing in the existing positioning and detecting devices for gas leakage, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide an industrial gas leakage locating device, which solves the problem that in the prior art gas leakage locating detection device, since the sizes of the two alloy rings are fixed, they can only be combined with pipes with matching diameters. When detecting pipes of different diameters, detection devices of different specifications need to be used, which is very inconvenient.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] An industrial gas leakage positioning device comprises a first arc plate and a second arc plate, wherein the first arc plate and the second arc plate are symmetrically arranged against each other, annular air bags are fixedly arranged on both inner walls of the first arc plate, annular grooves are opened on both inner walls of the second arc plate, one side of the two annular air bags are clamped in the corresponding inner sides of the annular grooves, a gas leakage alarm is fixedly arranged on one side of the first arc plate, a trigger button is fixedly arranged on one side of the gas leakage alarm, a fixed shell is fixedly arranged on one side of the gas leakage alarm, one end of the trigger button extends to the inner side of the fixed shell, a first piston is slidably arranged inside the fixed shell, a first connecting pipe is fixedly arranged on the side of the fixed shell away from the gas leakage alarm, and one end of the first connecting pipe extends to the inner side of the first arc plate;

[0009] An inflatable shell is fixedly provided on the outer wall of one side of the first curved plate away from the fixed shell, and both sides of the inflatable shell are connected to the corresponding annular airbag through a second connecting pipe, and an inflation mechanism for inflating the annular airbag is provided inside the inflatable shell, and curved clamping plates are provided on the inner sides of the first curved plate and the second curved plate, and a transmission mechanism for driving the curved clamping plates to move is provided on the inner sides of the first curved plate and the second curved plate.

[0010] Preferably, the inflation mechanism includes a second piston and a first threaded rod, the second piston is slidably arranged inside the inflation shell, a first threaded hole is opened in the middle of the upper end of the inflation shell, the first threaded rod is threadedly sleeved inside the first threaded hole, and one end of the first threaded rod is rotatably connected to the second piston.

[0011] Preferably, the transmission mechanism includes a second threaded rod and a metal bellows, a second threaded hole is opened in the middle of the first curved plate and the second curved plate, the second threaded rod is threadedly sleeved in the corresponding second threaded hole, one end of the second threaded rod is rotatably connected to the corresponding curved clamping plate, the metal bellows is movably sleeved on the rod wall of the second threaded rod, and the two ends of the two metal bellows are respectively fixedly connected to the corresponding curved clamping plate, the inner wall of the first curved plate and the inner wall of the second curved plate.

[0012] Preferably, fixed tubes are fixedly provided on the inner walls of both ends of the side of the fixed shell close to the trigger button, a stopper is slidably provided inside the fixed tube, a connecting rod is fixedly provided on one side of the stopper, one end of the connecting rod extends to the outside of the fixed shell and is fixedly connected to the first piston, and a spring is fixedly provided on the side of the stopper away from the connecting rod, and the other end of the spring is fixedly connected to the inner wall of the fixed shell.

[0013] Preferably, the two arc-shaped clamping plates are both rubber plates.

[0014] Preferably, connecting blocks are fixedly provided at both ends of the first arc-shaped plate and the second arc-shaped plate, and the two connecting blocks on the same side are connected by bolt thread locking.

[0015] Preferably, the cross-sections of the second piston and the gas-filled shell are both rectangular.

[0016] Preferably, a first rotating wheel is fixedly sleeved on one outer end of the first threaded rod.

[0017] Preferably, a second rotating wheel is fixedly sleeved on one outer end of the second threaded rod.

[0018] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0019] 1. The utility model sets the first arc plate and the second arc plate sleeve against each other on both sides of the pipe connection, then uses bolts to thread and lock the connection blocks on both sides, and then rotates the second threaded rods on both sides so that the two arc clamps clamp the pipe, and then rotates the first threaded rod to move the second piston, pushing the gas in the inflatable shell into the annular airbags on both sides, so that the annular airbags on both sides expand and press against the outer wall of the pipe, thus completing the sealing of the space between the first arc plate, the second arc plate and the pipe, and realizing the connection between the device and pipes of different diameters.

[0020] 2. In the utility model, when there is a gas leak through the pipe connection, the gas flows into the fixed shell from the first connecting pipe, so that the gas pushes the first piston, and the first piston overcomes the elastic force of the spring until the first piston pushes the trigger switch, so that the gas leakage alarm sounds, and the location of the gas leakage is located. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0022] Figure 1 This is a structural schematic diagram of an industrial gas leakage locating device proposed by the utility model;

[0023] Figure 2 for Figure 1 Schematic diagram of the internal structure;

[0024] Figure 3 for Figure 2 Schematic diagram of the enlarged structure of part A in the middle.

[0025] Description of reference numerals:

[0026] 1. First arc plate; 2. Annular airbag; 3. Inflatable shell; 4. Second connecting pipe; 5. Connecting block; 6. Leakage alarm; 7. Fixed shell; 8. Bolt; 9. Second arc plate; 10. First connecting pipe; 11. Arc clamping plate; 12. Second threaded rod; 13. Metal bellows; 14. First piston; 15. Fixed pipe; 16. Block; 17. Connecting rod; 18. Spring; 19. Second piston; 20. First threaded rod. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] The utility model embodiment discloses an industrial gas leakage locating device.

[0029] Embodiment 1

[0030] Reference Figure 1-3 , an industrial gas leakage positioning device, comprising a first arc plate 1 and a second arc plate 9, the first arc plate 1 and the second arc plate 9 are symmetrically arranged against each other, both ends of the first arc plate 1 and the second arc plate 9 are fixedly provided with connecting blocks 5, the two connecting blocks 5 on the same side are threadedly locked and connected by bolts 8, both sides of the inner wall of the first arc plate 1 are fixedly provided with annular air bags 2, both sides of the inner wall of the second arc plate 9 are provided with annular grooves, one side of the two annular air bags 2 are clamped in the corresponding annular grooves, a gas leakage alarm 6 is fixedly provided on one side of the first arc plate 1, a trigger button is fixedly provided on one side of the gas leakage alarm 6, a fixed shell 7 is fixedly provided on one side of the gas leakage alarm 6, one end of the trigger button extends to the inner side of the fixed shell 7, a first piston 14 is slidably provided inside the fixed shell 7, a first connecting pipe 10 is fixedly provided on the side of the fixed shell 7 away from the gas leakage alarm 6, and one end of the first connecting pipe 10 extends to the inner side of the first arc plate 1;

[0031] An inflatable shell 3 is fixedly provided on the outer wall of one side of the first arc plate 1 away from the fixed shell 7. Both sides of the inflatable shell 3 are connected to the corresponding annular airbag 2 through the second connecting pipe 4. The inner sides of the first arc plate 1 and the second arc plate 9 are provided with arc clamping plates 11. Both arc clamping plates 11 are rubber plates to prevent pinching of the pipeline as much as possible.

[0032] Embodiment 2

[0033] Reference Figure 1-3An inflation mechanism for inflating the annular airbag 2 is arranged inside the inflation shell 3, and the inflation mechanism includes a second piston 19 and a first threaded rod 20. The second piston 19 is slidably arranged inside the inflation shell 3. A first threaded hole is opened in the middle of the upper end of the inflation shell 3. The first threaded rod 20 is threadedly sleeved inside the first threaded hole. One end of the first threaded rod 20 is rotatably connected to the second piston 19. The cross-sections of the second piston 19 and the inflation shell 3 are both rectangular, so that the second piston 19 cannot rotate, that is, it can slide stably. A first rotating wheel is fixedly sleeved on one end of the outer side of the first threaded rod 20 to facilitate the rotation of the first threaded rod 20.

[0034] Embodiment 3

[0035] Reference Figure 1-3 The inner sides of the first curved plate 1 and the second curved plate 9 are both provided with a transmission mechanism for driving the curved clamping plate 11 to move, and the transmission mechanism includes a second threaded rod 12 and a metal bellows 13. Second threaded holes are opened in the middle parts of the first curved plate 1 and the second curved plate 9, and the second threaded rod 12 is threadedly sleeved in the corresponding second threaded holes. One end of the second threaded rod 12 is rotatably connected to the corresponding curved clamping plate 11, and the metal bellows 13 is movably sleeved on the rod wall of the second threaded rod 12. The two ends of the two metal bellows 13 are respectively fixedly connected to the corresponding curved clamping plate 11, the inner wall of the first curved plate 1 and the inner wall of the second curved plate 9, and the outer end of the second threaded rod 12 is fixedly sleeved with a second rotating wheel to facilitate the rotation of the second threaded rod 12.

[0036] Embodiment 4

[0037] Reference Figure 1-3 A fixing tube 15 is fixedly provided on the inner wall at both ends of the side of the fixed shell 7 close to the trigger button, a stopper 16 is slidably provided inside the fixed tube 15, a connecting rod 17 is fixedly provided on one side of the stopper 16, one end of the connecting rod 17 extends to the outside of the fixed shell 7 and is fixedly connected to the first piston 14, a spring 18 is fixedly provided on the side of the stopper 16 away from the connecting rod 17, and the other end of the spring 18 is fixedly connected to the inner wall of the fixed shell 7.

[0038] In the utility model, when in use, the first arc plate 1 and the second arc plate 9 are set against each other on both sides of the pipeline connection, and then the bolts 8 are used to thread and lock the connecting blocks 5 on both sides, and then the second threaded rods 12 on both sides are rotated so that the two arc clamping plates 11 clamp the pipeline, and then the first threaded rod 20 is rotated to move the second piston 19, and the gas in the inflatable shell 3 is pushed into the annular air bags 2 on both sides, so that the annular air bags 2 on both sides are expanded and pressed against the outer wall of the pipeline, that is, the space between the first arc plate 1 and the second arc plate 9 and the pipeline is sealed, and the connection between the device and pipelines of different diameters can be realized. When there is a leak at the pipeline connection, the gas flows from the first connecting pipe 10 into the fixed shell 7, so that the gas pushes the first piston 14, and the first piston 14 overcomes the elastic force of the spring 18 until the first piston 14 pushes the trigger switch, so that the leak alarm 6 alarms, and the location of the leak is realized.

[0039] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An industrial gas leakage locating device, comprising a first curved plate (1) and a second curved plate (9), characterized in that: The first arc plate (1) and the second arc plate (9) are symmetrically arranged against each other. Annular air bags (2) are fixedly arranged on the inner walls of both sides of the first arc plate (1). Annular grooves are opened on the inner walls of both sides of the second arc plate (9). One side of the two annular air bags (2) is clamped in the corresponding annular grooves. A gas leakage alarm (6) is fixedly arranged on one side of the first arc plate (1). A trigger button is fixedly arranged on one side of the gas leakage alarm (6). A fixed shell (7) is fixedly arranged on one side of the gas leakage alarm (6). One end of the trigger button extends to the inner side of the fixed shell (7). A first piston (14) is slidably arranged inside the fixed shell (7). A first connecting pipe (10) is fixedly arranged on the side of the fixed shell (7) away from the gas leakage alarm (6). One end of the first connecting pipe (10) extends to the inner side of the first arc plate (1). An inflatable shell (3) is fixedly arranged on the outer wall of one side of the first arc-shaped plate (1) away from the fixed shell (7); both sides of the inflatable shell (3) are connected to the corresponding annular airbag (2) via a second connecting pipe (4); an inflatable mechanism for inflating the annular airbag (2) is arranged inside the inflatable shell (3); an arc-shaped clamping plate (11) is arranged on the inner side of the first arc-shaped plate (1) and the second arc-shaped plate (9); and a transmission mechanism for driving the arc-shaped clamping plate (11) to move is arranged on the inner side of the first arc-shaped plate (1) and the second arc-shaped plate (9).

2. The industrial gas leakage locating device according to claim 1, characterized in that: The inflation mechanism comprises a second piston (19) and a first threaded rod (20); the second piston (19) is slidably arranged inside the inflation shell (3); a first threaded hole is opened in the middle of the upper end of the inflation shell (3); the first threaded rod (20) is threadedly sleeved inside the first threaded hole; one end of the first threaded rod (20) is rotatably connected to the second piston (19).

3. The industrial gas leakage locating device according to claim 1, characterized in that: The transmission mechanism comprises a second threaded rod (12) and a metal bellows (13); a second threaded hole is opened in the middle of the first arc plate (1) and the second arc plate (9); the second threaded rod (12) is threadedly sleeved inside the corresponding second threaded hole; one end of the second threaded rod (12) is rotatably connected to the corresponding arc clamping plate (11); the metal bellows (13) is movably sleeved on the rod wall of the second threaded rod (12); and the two ends of the two metal bellows (13) are respectively fixedly connected to the corresponding arc clamping plate (11), the inner wall of the first arc plate (1) and the inner wall of the second arc plate (9).

4. The industrial gas leakage locating device according to claim 1, characterized in that: A fixing tube (15) is fixedly provided on the inner wall of both ends of the side of the fixing shell (7) close to the trigger button, a stopper (16) is slidably provided inside the fixing tube (15), a connecting rod (17) is fixedly provided on one side of the stopper (16), one end of the connecting rod (17) extends to the outside of the fixing shell (7) and is fixedly connected to the first piston (14), a spring (18) is fixedly provided on the side of the stopper (16) away from the connecting rod (17), and the other end of the spring (18) is fixedly connected to the inner wall of the fixing shell (7).

5. The industrial gas leakage locating device according to claim 1, characterized in that: The two arc-shaped clamping plates (11) are both rubber plates.

6. The industrial gas leakage locating device according to claim 1, characterized in that: Connecting blocks (5) are fixedly provided at both ends of the first arc-shaped plate (1) and the second arc-shaped plate (9), and the two connecting blocks (5) on the same side are thread-lockedly connected by bolts (8).

7. The industrial gas leakage locating device according to claim 2, characterized in that: The cross sections of the second piston (19) and the gas-filled shell (3) are both rectangular.

8. The industrial gas leakage locating device according to claim 2, characterized in that: A first rotating wheel is fixedly sleeved on one outer end of the first threaded rod (20).

9. The industrial gas leakage locating device according to claim 3, characterized in that: A second rotating wheel is fixedly sleeved on one outer end of the second threaded rod (12).

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