A gas pipeline leakage detection device

Abstract

The utility model discloses a gas pipeline gas leakage detection device, include: frame, the frame is U shape, and is by the vertical board and is set up in the vertical board length direction both ends two crosspieces is composed. The utility model, through setting up suction detection mechanism and mobile subassembly on the frame, so that the operator can first move first mobile part and second mobile part to the upper and lower sides of gas pipeline before carrying out gas leakage detection, then make second mobile part move to the side close to first mobile part, and cooperate with first mobile part and hold in the flange of gas pipeline, then blow to gas alarm one side through the air blower, utilize gas alarm to detect whether the wind that blows contains gas, do not need manual holding to carry out the detection, it is more convenient to operate, and after the detection is finished, by moving mobile subassembly to the non flange on the gas pipeline, can push the frame and move to the next detection point position on the gas pipeline, and it is more convenient to carry.

Description

Technical Field

[0001] This utility model relates to the field of gas pipeline maintenance technology, and in particular to a gas pipeline leak detection device. Background Technology

[0002] The statements herein provide only background information related to this invention and do not necessarily constitute prior art.

[0003] Currently, natural gas is mainly transported through pipelines. However, as gas pipelines age, leaks can easily occur at the flange connections between two gas pipelines, posing a significant safety hazard. Regular leak detection of gas pipelines is necessary to pinpoint the location of leaks and repair or replace the pipelines as needed.

[0004] Currently, when inspecting gas pipeline connections, the gas pipeline inspection equipment needs to be manually operated. Since the gas pipeline inspection equipment has a certain weight, it is too tiring to operate by hand continuously. Furthermore, after inspecting one gas pipeline connection, it is necessary to carry the inspection equipment to the next connection, which is too cumbersome. Utility Model Content

[0005] The purpose of this invention is to address the aforementioned shortcomings by providing a gas pipeline leak detection device that is easy to operate and carry.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a gas pipeline leakage detection device, comprising: The frame is U-shaped and consists of a vertical plate and two horizontal plates located at both ends of the vertical plate along its length. The gas extraction detection mechanism includes a gas guide pipe disposed on one of the horizontal plates, and a corresponding gas guide hole disposed on the horizontal plate communicating with the gas guide pipe. A gas alarm for detecting gas leaks is disposed inside the gas guide pipe, and a fan for driving the gas between the two horizontal plates to flow towards the gas alarm is disposed inside the gas guide hole. A movable component is capable of clamping onto and moving along a gas pipeline to be tested. The movable component consists of a first movable part and a second movable part, both of which are located between two horizontal plates. The first movable part is disposed on the horizontal plate closer to the gas extraction detection mechanism, and the second movable part is disposed on the horizontal plate farther away from the gas extraction detection mechanism. The second movable part is capable of moving closer to or farther away from the first movable part.

[0007] Furthermore, the first moving component consists of at least four support rods fixedly connected to the corresponding horizontal plates and a first roller rotatably disposed at the end of each support rod away from the corresponding horizontal plate.

[0008] Furthermore, the second movable component includes a first movable frame located between two horizontal plates. The first movable frame is rotatably provided with a first screw that passes through the corresponding horizontal plate and is threadedly connected to the horizontal plate, and at least one limiting rod that passes through the corresponding horizontal plate. The first movable frame is provided with two second movable frames that can slide towards or away from the first movable component. The second movable frames are provided with at least two second rollers. The second movable frames are rotatably provided with a second screw that passes through the first movable frame and is threadedly connected to the first movable frame.

[0009] Furthermore, the second movable component also includes two third movable frames that can slide toward or away from the first movable component. The two third movable frames are located between the two second movable frames. A gear is rotatably provided on the first movable frame and located between the adjacent third movable frame and the second movable frame. Both the third movable frame and the second movable frame are provided with racks that mesh with the corresponding gears. The third movable frame is provided with multiple rubber plates that can fit against the gas pipeline on the side closer to the first movable component.

[0010] Furthermore, the gas extraction and detection mechanism also includes a power supply module, and both the gas alarm and the exhaust fan are electrically connected to the power supply module.

[0011] The beneficial effects of this utility model are reflected in: This invention, by mounting the gas extraction detection mechanism and the movable component on the frame, allows the operator to move the first and second movable components to the upper and lower sides of the gas pipeline before performing leak detection. The second movable component is then moved closer to the first movable component, working in conjunction with it to clamp the gas pipeline flange. A blower is then used to blow air towards the gas alarm, which detects the presence of gas in the blown air. This eliminates the need for manual hand-held detection, making operation more convenient. After detection, the movable component is moved to the non-flange location on the gas pipeline, allowing the frame to be moved along the pipeline to the next detection point, making it more portable. Attached Figure Description

[0012] Figure 1 This is a perspective view of the present invention; Figure 2 This is a partial cross-sectional view of the air extraction detection mechanism of this utility model; Figure 3 This is a structural view of the second moving component of this utility model; Figure 4This is a partial cross-sectional view of the second moving component of this utility model; Figure 5 This is a schematic diagram of the operation of this utility model.

[0013] In the picture: 1. Frame; 11. Vertical panel; 12. Horizontal panel; 2. Gas extraction and detection mechanism; 21. Gas duct; 22. Gas alarm; 23. Exhaust fan; 3. Moving components; 31. First moving part; 311. Support rod; 312. First roller; 32. Second moving part; 321. First movable frame; 322. First screw; 323. Limiting rod; 324. Second movable frame; 325. Second roller; 326. Second screw; 327. Third movable frame; 328. Gear; 329. Rack. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, and not all of them. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present utility model.

[0015] Please see Figure 1-5 This utility model discloses a gas pipeline leak detection device, comprising: The frame 1 is U-shaped and consists of a vertical plate 11 and two horizontal plates 12 disposed at both ends of the vertical plate 11 along its length. The gas extraction detection mechanism 2 includes a gas guide pipe 21 disposed on one of the horizontal plates 12, a gas guide hole communicating with the gas guide pipe 21 disposed on the corresponding horizontal plate 12, a gas alarm 22 for detecting gas leaks disposed inside the gas guide pipe 21, and a fan 23 for driving the gas between the two horizontal plates 12 to flow towards the side closer to the gas alarm 22 disposed inside the gas guide hole. The movable component 3 is capable of clamping onto the gas pipeline to be tested and moving along the gas pipeline. The movable component 3 consists of a first movable part 31 and a second movable part 32. Both the first movable part 31 and the second movable part 32 are located between two horizontal plates 12. The first movable part 31 is disposed on the horizontal plate 12 close to the gas extraction detection mechanism 2, and the second movable part 32 is disposed on the horizontal plate 12 away from the gas extraction detection mechanism 2. The second movable part 32 can move towards or away from the first movable part 31.

[0016] This invention, by mounting the gas extraction detection mechanism 2 and the moving component 3 on the frame 1, allows the operator to move the first moving component 31 and the second moving component 32 to the upper and lower sides of the gas pipeline before performing a gas leak detection. Then, the second moving component 32 is moved closer to the first moving component 31 and clamps it at the flange of the gas pipeline in cooperation with the first moving component 31. Then, the exhaust fan 23 blows air towards the gas alarm 22, and the gas alarm 22 detects whether the blown air contains gas. This eliminates the need for manual hand-held detection, making the operation more convenient. After the detection is completed, by moving the moving component 3 to the non-flange position on the gas pipeline, the frame 1 can be pushed to move on the gas pipeline to the next detection point, making it more convenient to carry.

[0017] In one embodiment, the first moving component 31 consists of at least four support rods 311 fixedly connected to the corresponding horizontal plate 12 and a first roller 312 rotatably disposed at one end of each support rod 311 away from the corresponding horizontal plate 12.

[0018] This design allows the first moving part 31 to roll along the gas pipeline when it is placed on it.

[0019] In one embodiment, the second moving component 32 includes a first movable frame 321 located between two horizontal plates 12. The first movable frame 321 is rotatably provided with a first screw 322 that passes through the corresponding horizontal plate 12 and is threadedly connected to the horizontal plate 12, and at least one limiting rod 323 that passes through the corresponding horizontal plate 12. The first movable frame 321 is provided with two second movable frames 324 that can slide towards or away from the first moving component 31. The second movable frame 324 is provided with at least two second rollers 325. The second movable frame 324 is rotatably provided with a second screw 326 that passes through the first movable frame 321 and is threadedly connected to the first movable frame 321.

[0020] This design allows the first movable frame 321 to move away from the first moving part 31 by rotating the first screw 322, increasing the distance between the first moving part 31 and the second moving part 32, making it easier to move to the upper and lower sides of the gas pipeline. Then, rotating the first screw 322 moves the first movable frame 321 closer to the first moving part 31 until the second roller 325 and the first roller 312 are both in contact with the gas pipeline, thus completing the fixing operation. This allows the frame 1 to remain at the detection point when not pushed by external force, facilitating the detection by the gas extraction mechanism 2. Pushing the frame 1 allows it to move quickly along the gas pipeline, facilitating its transfer between the two detection points.

[0021] In one embodiment, the second movable component 32 further includes two third movable frames 327 that can slide toward or away from the first movable component 31. The two third movable frames 327 are located between the two second movable frames 324. A gear 328 is rotatably provided on the first movable frame 321 and located between the adjacent third movable frames 327 and the second movable frames 324. Both the third movable frames 327 and the second movable frames 324 are provided with racks 329 that mesh with the corresponding gears 328. A plurality of rubber plates that can fit against the gas pipeline are provided on the side of the third movable frame 327 near the first movable component 31.

[0022] This design allows the second movable frame 324 to move away from the first moving part 31 when the second screw 326 rotates. Under the transmission action of the gear 328 and rack 329, the third movable frame 327 can be moved closer to the first moving part 31, thereby making the rubber plate fit with the gas pipeline, increasing the movement resistance between the rubber plate and the gas pipeline, and improving the installation stability of the device during the gas leak detection process.

[0023] In one embodiment, the gas extraction and detection mechanism 2 further includes a power supply module, and the gas alarm 22 and the exhaust fan 23 are both electrically connected to the power supply module.

[0024] This design, by setting up a power supply module to power the gas alarm 22 and the exhaust fan 23, reduces the reliance on power cables during gas leak detection and expands the applicability range.

[0025] It should be noted that power supply modules are common knowledge in this field, so their specific structure and working principle will not be elaborated on in this article.

[0026] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0027] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0028] Additionally, "multiple" refers to two or more.

[0029] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A gas pipeline leak detection device, characterized in that, include: The frame (1) is U-shaped and consists of a vertical plate (11) and two horizontal plates (12) located at both ends of the vertical plate (11) along its length. The gas extraction detection mechanism (2) includes a gas guide pipe (21) disposed on one of the horizontal plates (12), and a corresponding gas guide hole is disposed on the horizontal plate (12) communicating with the gas guide pipe (21). A gas alarm (22) for detecting gas leakage is disposed inside the gas guide pipe (21), and a blower (23) for driving the gas between the two horizontal plates (12) to flow towards the side closer to the gas alarm (22) is disposed inside the gas guide hole. The moving component (3) is capable of clamping onto the gas pipeline to be tested and moving along the gas pipeline. The moving component (3) consists of a first moving part (31) and a second moving part (32). The first moving part (31) and the second moving part (32) are both located between two horizontal plates (12). The first moving part (31) is located on the horizontal plate (12) close to the gas extraction detection mechanism (2), and the second moving part (32) is located on the horizontal plate (12) away from the gas extraction detection mechanism (2). The second moving part (32) can move towards or away from the first moving part (31).

2. The gas pipeline leakage detection device according to claim 1, characterized in that: The first moving part (31) consists of at least four support rods (311) fixedly connected to the corresponding horizontal plate (12) and a first roller (312) rotatably disposed at one end of each support rod (311) away from the corresponding horizontal plate (12).

3. The gas pipeline leakage detection device according to claim 1, characterized in that: The second moving component (32) includes a first movable frame (321) located between two horizontal plates (12). The first movable frame (321) is rotatably provided with a first screw (322) that passes through the corresponding horizontal plate (12) and is threadedly connected to the horizontal plate (12) on the side near the corresponding horizontal plate (12), and at least one limiting rod (323) that passes through the corresponding horizontal plate (12). The first movable frame (321) is provided with two second movable frames (324) that can slide towards or away from the first moving component (31). The second movable frame (324) is provided with at least two second rollers (325). The second movable frame (324) is rotatably provided with a second screw (326) that passes through the first movable frame (321) and is threadedly connected to the first movable frame (321) on the side near the first movable frame (321).

4. The gas pipeline leakage detection device according to claim 3, characterized in that: The second moving part (32) also includes two third movable frames (327) that can slide toward or away from the first moving part (31). The two third movable frames (327) are located between two second movable frames (324). The first movable frame (321) is rotatably provided with a gear (328) located between the adjacent third movable frame (327) and the second movable frame (324). Both the third movable frame (327) and the second movable frame (324) are provided with racks (329) that mesh with the corresponding gears (328). The third movable frame (327) is provided with multiple rubber plates that can fit against the gas pipeline on the side of the first moving part (31).

5. The gas pipeline leakage detection device according to claim 1, characterized in that: The gas extraction and detection mechanism (2) also includes a power supply module, and the gas alarm (22) and the exhaust fan (23) are both electrically connected to the power supply module.

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