Leakage detection device for rapidly diagnosing pipeline leakage
By designing a leak measurement device that can adjust the height and angle, combined with the noise isolation function of the sound absorbing cover, the problem that pipe leakage detection in the prior art is difficult to adapt to complex arrangements, and rapid and accurate detection of complex pipes is achieved.
Patent Information
- Application Number
- CN202422298139.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-20
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-09-20
AI Technical Summary
In the prior art, pipeline air leakage detection is difficult to adapt to complex pipeline arrangements, especially at high places or blocked by equipment, and the noisy factory environment affects detection accuracy.
A leak measurement device including a telescopic rod, a listening probe and a sound-absorbing cover is designed. Through the combined structure of the telescopic rod and a lifting rod, the height and angle can be adjusted to adapt to pipeline detection at different locations; the rubber pads in the sound-absorbing cover can block noise and enhance the sound capture effect.
It realizes rapid and accurate air leakage detection of complexly arranged pipes, reduces safety risks and improves the reliability of inspection.
Smart Images
Figure CN223020017U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of pipeline air leakage detection, and particularly relates to a leak detection device for quickly diagnosing pipeline air leakage. Background Technique
[0002] In factory production, pipelines are used to transport gases. If there are leaks in the pipelines, gas leakage will occur, resulting in increased production costs. If the transported gas is toxic or harmful, safety accidents will also be caused. The leakage of gas pipelines is not as easy to detect as that of liquid pipelines. Usually, listening rods, leak detection devices, etc. are used to detect them. These devices generally amplify the sound inside the pipeline and transmit it to the human ear, so as to judge whether the pipeline is leaking through abnormal sounds. For example, a leak detector usually includes a controller, a probe, and headphones. After connecting the controller, the probe, and the headphones, and pressing the probe tightly against the pipeline, the sound inside the pipeline can be heard through the headphones, which is very convenient. However, the pipeline layout in factory production is intricate. Some pipelines are at high places and need to be detected by climbing ladders, which is prone to safety accidents. Some pipelines are blocked by other equipment and it is not convenient to set up ladders, which further increases the difficulty of air leakage detection. There are also some pipelines hidden behind equipment, and the probe can only be pressed tightly against the pipeline by reaching out through a narrow gap, which is very inconvenient. Moreover, the factory environment is noisy, which affects the judgment of air leakage detection. Summary of the Invention
[0003] The purpose of the utility model is to provide a leak detection device for quickly diagnosing pipeline air leakage to solve the problems existing in the prior art.
[0004] The technical solution adopted by the utility model to solve its technical problems is as follows:
[0005] A leak detection device for quickly diagnosing pipeline air leakage includes a telescopic rod. A controller is fixed at the bottom of the telescopic rod. A connecting piece is inserted at the top of the telescopic rod. A supporting rod is inserted on the connecting piece. One end of the supporting rod is fixed with a sound-absorbing cover. A listening probe is fixed inside the sound-absorbing cover. A lifting rod is inserted on the supporting rod. A fixing rod is welded at the bottom end of the lifting rod. A spring is welded between the fixing rod and the supporting rod. The spring is sleeved on the lifting rod. A pulling rope is tied at the top end of the lifting rod. The listening probe is electrically connected to the controller.
[0006] Further, the lifting rod includes a grip rod, a sliding rod, a first bolt, and a second bolt. The grip rod is a hollow tubular shape. The sliding rod is inserted into the grip rod. The first bolt is screwed on the outer wall of the top end of the grip rod. The tail of the first bolt abuts against the outer wall of the sliding rod. The top end of the sliding rod is annular. The second bolt is screwed on the annular end of the sliding rod. The controller is located at the bottom of the grip rod of the lifting rod.
[0007] Further, one end of the connecting piece is cylindrical, and the other end is annular. A third bolt is screwed to the annular end of the connecting piece. The cylindrical end of the connecting piece is inserted into the annular end of the sliding rod. After the second bolt is screwed to the sliding rod, the bolt tail abuts against the outer wall of the connecting piece. Retaining rings are welded to the connecting piece on both sides of the annular end of the sliding rod.
[0008] Further, the support rod is a hollow tubular structure. After the third bolt is screwed to the connecting piece, the bolt tail abuts against the outer wall of the support rod. Retaining rings are welded to the support rod on both sides of the annular end of the connecting piece.
[0009] Further, the lifting rod is square. A cross plate is welded to the top end of the lifting rod. One end of the cross plate extends out of the outside of the lifting rod. A hanging ring is welded to the bottom side of the end of the cross plate that extends out of the lifting rod.
[0010] Further, one end of the pulling rope is tied to the hanging ring. The other end of the pulling rope passes through the outer wall of the support rod and enters the inside of the support rod and then passes out from the open end of the hollow tubular structure of the support rod. The pulling rope is tied to the lifting rod through the hanging ring and the cross plate.
[0011] Further, one end of the fixing rod is arc-shaped. The arc-shaped end of the fixing rod is located below the sound-absorbing cover.
[0012] Further, the sound-absorbing cover is a trapezoidal cover body structure that is narrow at the top and wide at the bottom. The bottom end of the sound-absorbing cover is open. A rubber pad is pasted on the open end of the sound-absorbing cover.
[0013] The utility model has the following beneficial effects:
[0014] 1. The utility model can adjust the height and angle according to the layout of the pipeline, and can clamp the pipeline, so as to press the sound detection probe tightly against the outer wall of the pipeline, thus facilitating the leakage detection of the pipeline.
[0015] 2. By sliding the sliding rod up and down in the holding rod, the height of the sound detection probe is changed, so as to adapt to the leakage detection of pipelines at different heights.
[0016] 3. By rotating the connecting piece at the top end of the sliding rod, the angle between the sliding rod and the support rod is adjusted, and by rotating the support rod in the connecting piece, the angle of the sound detection probe is adjusted, so as to meet the angle requirements of complex pipeline layouts.
[0017] 4. By pulling and releasing the pulling rope, the distance between the sound-absorbing cover and the fixing plate is increased or decreased, so as to clamp the pipeline through the sound-absorbing cover and the fixing plate, and make the sound detection probe closely adhere to the outer wall of the pipeline.
[0018] 5. The inner cavity of the sound-absorbing cover has the function of gathering sound, making the sound in the pipeline easier to be captured by the sound detection probe. The flexible characteristic of the rubber pad can block the gap between the sound-absorbing cover and the pipeline, so as to block noise and enhance the sound-absorbing effect. Description of the Drawings
[0019] Figure 1 This is a schematic structural diagram of the present utility model.
[0020] Figure 2 This is a schematic diagram of the upper structure of the present utility model.
[0021] Figure 3 This is a schematic diagram of the disassembled upper structure of the present utility model.
[0022] Wherein: 1. Controller; 2. Connecting member; 3. Support rod; 4. Sound-absorbing cover; 5. Listening probe; 6. Lifting rod; 7. Fixed rod; 8. Spring; 9. Pulling rope; 10. Holding rod; 11. Slide rod; 12. First bolt; 13. Second bolt; 14. Third bolt; 15. Retaining ring; 16. Horizontal plate; 17. Hanging ring; 18. Rubber pad. Specific embodiments
[0023] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the following further elaborates on the present utility model in detail in conjunction with specific embodiments and the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.
[0024] As Figures 1-3 shown, a leak detection device for quickly diagnosing pipeline air leakage includes a telescopic rod. A controller 1 is fixed at the bottom of the telescopic rod. A connecting member 2 is inserted at the top of the telescopic rod. A support rod 3 is inserted on the connecting member 2. A sound-absorbing cover 4 is fixed at one end of the support rod 3. A listening probe 5 is fixed inside the sound-absorbing cover 4. A lifting rod 6 is inserted on the support rod 3. A fixed rod 7 is welded to the bottom end of the lifting rod 6. A spring 8 is welded between the fixed rod 7 and the support rod 3. The spring 8 is sleeved on the lifting rod 6. A pulling rope 9 is tied to the top end of the lifting rod 6. The listening probe 5 is electrically connected to the controller 1.
[0025] The lifting rod 6 includes a holding rod 10, a slide rod 11, a first bolt 12, and a second bolt 13. The holding rod 10 is a hollow tube. The slide rod 11 is inserted into the holding rod 10. The first bolt 12 is screwed on the outer wall of the top end of the holding rod 10. The bolt tail of the first bolt 12 abuts against the outer wall of the slide rod 11. The top end of the slide rod 11 is annular. The second bolt 13 is screwed on the annular end of the slide rod 11. The controller 1 is located at the bottom of the holding rod 10 of the lifting rod 6.
[0026] The height of the listening probe 5 is changed by the up and down sliding of the slide rod 11 in the holding rod 10 of the lifting rod 6, so as to adapt to the air leakage detection of pipelines at different heights. The first bolt 12 is used to fix the height of the slide rod 11.
[0027] One end of the connecting piece 2 is cylindrical, and the other end of the connecting piece 2 is annular. The annular end of the connecting piece 2 is threadedly connected with a third bolt 14. The cylindrical end of the connecting piece 2 is inserted into the annular end of the sliding rod 11. After the second bolt 13 is threadedly connected to the sliding rod 11, the tail of the bolt abuts against the outer wall of the connecting piece 2. A retaining ring 15 is welded on the connecting piece 2 on both sides of the annular end of the sliding rod 11.
[0028] The connecting piece 2 is used to adjust the angle between the support rod 3 and the slide rod 11. When the pipeline is high and blocked by equipment, the listening probe 5 can be attached to the outer wall of the pipeline by adjusting the angle between the support rod 3 and the slide rod 11.
[0029] The support rod 3 is a hollow tubular structure. After the third bolt 14 is threadedly connected to the connector 2, the bolt tail abuts against the outer wall of the support rod 3. Securing rings 15 are welded on the support rod 3 on both sides of one annular end of the connector 2.
[0030] Some pipes are hidden behind the equipment, and the angle of the listening probe 5 needs to be adjusted so that it can be attached to the outer wall of the pipe. The angle of the listening probe 5 is adjusted by rotating the support rod 3 in the connecting piece 2.
[0031] The lifting rod 6 is square, and a horizontal plate 16 is welded to the top of the lifting rod 6. One end of the horizontal plate 16 protrudes out of the outside of the lifting rod 6, and a hanging ring 17 is welded to the bottom side of the end of the horizontal plate 16 protruding out of the lifting rod 6. The square lifting rod 6 can prevent the lifting rod 6 from rotating, so that the fixing rod 7 cannot clamp the pipe with the sound absorbing cover 4.
[0032] One end of the pulling rope 9 is tied to the hanging ring 17, and the other end of the pulling rope 9 passes through the outer wall of the support rod 3, enters the interior of the support rod 3 and passes out from the open end of the hollow tubular structure of the support rod 3. The pulling rope 9 is tied to the lifting rod 6 through the hanging ring 17 and the cross plate 16.
[0033] When the spring 8 is in a normal state, the distance between the sound hood 4 and the fixed plate is relatively close. When the pulling rope 9 is pulled, the lifting rod 6 slides downward, the spring 8 stretches, and the distance between the sound hood 4 and the fixed plate becomes larger, so that the sound hood 4 and the fixed plate are located on both sides of the pipe. After the pulling rope 9 is released, the spring 8 contracts, the sound hood 4 and the fixed plate clamp the pipe, and the listening probe 5 in the sound hood 4 is tightly attached to the outer wall of the pipe.
[0034] One end of the fixing rod 7 is arc-shaped, and the arc-shaped end of the fixing rod 7 is located below the sound-absorbing cover 4. The arc-shaped end of the fixing pipe can adapt to the outer wall of the round pipe to prevent the fixing rod 7 from slipping off the pipe.
[0035] The sound-absorbing cover 4 is a trapezoidal cover structure that is narrower at the top and wider at the bottom. The bottom end of the sound-absorbing cover 4 is open, and a rubber gasket 18 is pasted at the open end of the sound-absorbing cover 4. After the sound-absorbing cover 4 and the fixing plate clamp the pipeline, the flexible characteristic of the rubber gasket 18 can block the gap between the sound-absorbing cover 4 and the pipeline, thereby blocking noise and having a good sound-absorbing effect. The inner cavity of the sound-absorbing cover 4 has the function of gathering sound, making the sound in the pipeline easier to be captured by the sound detection probe 5.
[0036] The working principle of the present utility model is as follows:
[0037] During use, the height of the sound detection probe 5 is changed by sliding the sliding rod 11 up and down within the grip rod 10, so as to adapt to the air leakage detection of pipelines at different heights. After the height is adjusted, the first bolt 12 is tightened to fix the sliding rod 11. The angle between the sliding rod 11 and the support rod 3 is adjusted by rotating the connecting member 2 at the top end of the sliding rod 11. After adjustment, the second bolt 13 is tightened to fix the connecting member 2. The angle of the sound detection probe 5 is adjusted by rotating the support rod 3 within the connecting member 2. After adjustment, the third bolt 14 is tightened to fix the support rod 3. When the spring 8 is in a normal state, the distance between the sound-absorbing cover 4 and the fixing plate is relatively close. When the pulling rope 9 is pulled, the lifting rod 6 slides downward, the spring 8 stretches, and the distance between the sound-absorbing cover 4 and the fixing plate becomes larger, so that the sound-absorbing cover 4 and the fixing plate are located on both sides of the pipeline. After the pulling rope 9 is released, the spring 8 contracts, and the sound-absorbing cover 4 and the fixing plate clamp the pipeline, and the sound detection probe 5 in the sound-absorbing cover 4 closely adheres to the outer wall of the pipeline. Insert the earphone into the controller 1, turn on the switch on the controller 1, and judge whether the pipeline leaks air through the sound transmitted by the earphone. After the detection is completed, the pulling rope 9 is pulled again to make the sound-absorbing cover 4 and the fixing plate release the clamping of the pipeline.
[0038] The above-described embodiments are only used to describe the preferred embodiments of the present utility model, and do not limit the concept and scope of the present utility model. Without departing from the design concept of the present utility model, various modifications and improvements made by those of ordinary skill in the art to the technical solution of the present utility model should all fall within the protection scope of the present utility model.
[0039] The technologies, shapes, and structures not described in detail in the present utility model are all well-known technologies.
Claims
1. A leak detection device for rapid diagnosis of pipeline leakage, characterized in that: It includes a telescopic rod, a controller is fixed at the bottom of the telescopic rod, a connecting piece is inserted at the top of the telescopic rod, a support rod is inserted on the connecting piece, a sound-absorbing cover is fixed at one end of the support rod, a listening probe is fixed in the sound-absorbing cover, a lifting rod is inserted on the support rod, a fixing rod is welded at the bottom of the lifting rod, a spring is welded between the fixing rod and the support rod, the spring is sleeved on the lifting rod, a pulling rope is tied to the top of the lifting rod, and the listening probe is electrically connected to the controller.
2. The leak detection device for rapid diagnosis of pipeline leakage according to claim 1, characterized in that: The lifting rod includes a grip rod, a slide rod, a first bolt, and a second bolt. The grip rod is a hollow tube. The slide rod is inserted into the grip rod. The first bolt is threadedly connected to the outer wall of the top end of the grip rod. The bolt tail of the first bolt abuts against the outer wall of the slide rod. The top end of the slide rod is annular. The second bolt is threadedly connected to one end of the slide rod ring. The controller is located at the bottom of the grip rod of the lifting rod.
3. The leak detection device for rapid diagnosis of pipeline leakage according to claim 2, characterized in that: One end of the connecting piece is cylindrical, and the other end of the connecting piece is annular. The annular end of the connecting piece is threaded with a third bolt, and the cylindrical end of the connecting piece is inserted into the annular end of the sliding rod. After the second bolt is threaded with the sliding rod, the bolt tail abuts against the outer wall of the connecting piece, and retaining rings are welded on the connecting pieces on both sides of the annular end of the sliding rod.
4. The leak detection device for rapid diagnosis of pipeline leakage according to claim 3, characterized in that: The support rod is a hollow tubular structure, the rear bolt tail of the third bolt threaded connector is in contact with the outer wall of the support rod, and retaining rings are welded on the support rods on both sides of one annular end of the connector.
5. The leak detection device for rapid diagnosis of pipeline leakage according to claim 4, characterized in that: The lifting rod is square, a horizontal plate is welded on the top of the lifting rod, one end of the horizontal plate protrudes out of the outside of the lifting rod, and a hanging ring is welded on the bottom side of the end of the horizontal plate protruding out of the lifting rod.
6. The leak detection device for rapid diagnosis of pipeline leakage according to claim 5, characterized in that: One end of the pulling rope is tied to the hanging ring, and the other end of the pulling rope passes through the outer wall of the support rod, enters the interior of the support rod and passes out from the open end of the hollow tubular structure of the support rod. The pulling rope is tied to the lifting rod through the hanging ring and the cross plate.
7. The leak detection device for rapid diagnosis of pipeline leakage according to claim 1, characterized in that: One end of the fixing rod is arc-shaped, and the arc-shaped end of the fixing rod is located below the sound-absorbing cover.
8. The leak detection device for rapid diagnosis of pipeline leakage according to claim 1, characterized in that: The sound absorbing cover is a trapezoidal cover structure which is narrow at the top and wide at the bottom. The bottom end of the sound absorbing cover is open, and a rubber pad is pasted on the open end of the sound absorbing cover.