A detection device that can be used for gas pipeline safety

Abstract

This utility model discloses a detection device for gas pipeline safety, including a detection box and an air pump. By employing a detection box, a wrapping tray, and an air pump, when gas pipelines need to be inspected during production, the corresponding pipeline can be placed on the corresponding rack inside the detection box. Then, both ends of the pipeline are connected to the corresponding wrapping trays. Gas is then introduced into the pipeline through the air pump. If the pipeline is intact, gas cannot leak out and no bubbles will be generated. If the pipeline is damaged, gas will leak out and bubbles will be generated. Personnel can determine the damaged pipeline and its location by observing the location of the bubbles. The detection structure is intuitive, and the components involved are relatively simple, with minimal involvement of intelligent equipment. This effectively reduces production, use, and maintenance difficulties, facilitating wider adoption and making it suitable for small and micro-sized enterprises. It has the advantages of simple structure and high intuitiveness.

Description

Technical Field

[0001] This utility model relates to the field of pipeline inspection technology, and more specifically, to an inspection device that can be used for the safety of gas pipelines. Background Technology

[0002] Safety inspection of gas pipelines is a core part of ensuring the safety of gas transmission. Its core objective is to promptly detect potential hazards such as pipeline leaks, corrosion, and structural defects (such as cracks and poor welding) to prevent accidents such as explosions, poisoning, or environmental pollution.

[0003] The existing public technology application number CN201721789847.8 discloses a gas pipeline, including a pipeline body and a valve installed on the pipeline body. A hydraulic transmission device is connected to the valve. The hydraulic transmission device includes a hydraulic cylinder. A sensing device for sensing the movement position of the piston rod of the hydraulic cylinder is installed on the hydraulic cylinder through a mounting assembly. The mounting assembly includes a first mounting plate fixedly connected to the piston rod of the hydraulic cylinder and a second mounting plate fixedly connected to the cylinder barrel of the hydraulic cylinder. A rust-proof part is provided on the outside of the sensing device. The rust-proof part includes a bracket fixedly installed on the cylinder barrel of the hydraulic cylinder and a rust-proof shell covering the outside of the sensing device. The first mounting plate passes through the rust-proof shell and is slidably connected to the rust-proof shell through a sliding assembly. The second mounting plate passes through the rust-proof shell and is fixedly connected to the rust-proof shell.

[0004] Currently, the inspection of gas pipelines needs to be carried out on the one hand during the production stage to prevent pipeline damage and ensure subsequent safety, and on the other hand, after the pipeline is put into use to prevent gas leaks. The production stage inspection mostly uses large-scale equipment, which is costly and has a complex structure. Once damage or failure occurs, it requires professional personnel for repair, which is costly and time-consuming. This is not conducive to more efficient inspection and use, and the overall effect is not ideal, with room for improvement.

[0005] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content

[0006] (a) Technical problems to be solved

[0007] To address the shortcomings of existing technologies, this utility model provides a detection device for gas pipeline safety, which has the advantages of simple structure, wide applicability, and high intuitiveness, thereby solving the problems mentioned in the background technology.

[0008] (II) Technical Solution

[0009] To achieve the advantages of simple structure, wide applicability, and high intuitiveness mentioned above, the specific technical solution adopted by this utility model is as follows:

[0010] A detection device for gas pipeline safety includes a detection box and an air pump. The detection box has a detection groove inside. Several sets of placement racks are evenly installed at the bottom of the detection groove. Each placement rack has an arc-shaped groove on its surface, and several sets of through holes are formed on the surface of the arc-shaped groove. Several sets of wrapping discs are symmetrically and evenly installed on both sides of the placement rack inside the detection box. Each wrapping disc has a wrapping groove inside, and a plug is installed in the middle of the wrapping groove. Sealing rings are installed on the surface of the plug and the surface of the wrapping groove. Telescopic tubes are installed on the surface of each wrapping disc. One set of telescopic tubes passes through one side of the detection box and connects to a gas supply pipe. One end of the gas supply pipe is connected to the air pump. An air outlet is formed on the surface of the plug connected to the air pump.

[0011] Furthermore, a door is rotatably connected to one side of the top of the testing box.

[0012] Furthermore, an observation window is installed on the surface of the box door.

[0013] Furthermore, a support strip is installed on the other side of the top of the testing box.

[0014] Furthermore, the size of the package disc and the size of the plug head gradually decrease.

[0015] Furthermore, both the sealing ring and the plug are made of rubber.

[0016] Furthermore, the size of the plug head is larger than the inner diameter of the gas pipeline to be tested.

[0017] Furthermore, the plugs are either solid or hollow structures.

[0018] (III) Beneficial Effects

[0019] Compared with the prior art, this utility model provides a detection device that can be used for the safety of gas pipelines, and has the following features:

[0020] Beneficial effects:

[0021] (1) This utility model uses a detection box, a wrapping tray, and an air pump. When gas pipelines need to be inspected during production, the corresponding pipeline can be placed on the corresponding rack inside the detection box. Then, the two ends of the pipeline are connected to the corresponding wrapping tray to achieve pipeline sealing. Then, gas can be introduced into the pipeline through the air pump. If the pipeline is not damaged, the gas cannot leak out and no bubbles will be generated. If the pipeline is damaged, the gas will leak out and bubbles will be generated. Personnel can judge the damaged pipeline and the location of the damage by the location of the bubbles. The detection structure is relatively intuitive, and the components involved are relatively simple. There is less involvement of intelligent equipment, which can effectively reduce the difficulty of production, use and maintenance, and facilitate better promotion and use. It is suitable for use by small and micro enterprises and has the advantages of simple structure and high intuitiveness.

[0022] (2) By adopting a wrapping disc and a telescopic tube, the present invention has multiple sets of wrapping discs of different sizes and telescopic tubes that can be extended during the testing process. Therefore, it can be adapted to the testing of gas pipelines of different sizes, expand the applicability of the device, improve the overall use effect, and has the advantage of wide applicability. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the structure of a detection device for gas pipeline safety proposed in this utility model;

[0025] Figure 2 This is a schematic diagram of the internal structure of the wrapping tray of this utility model;

[0026] Figure 3 This is a structural schematic diagram of the placement rack of this utility model;

[0027] Figure 4 This is a schematic diagram of the telescopic tube structure of this utility model.

[0028] In the picture:

[0029] 1. Testing box; 2. Placement rack; 3. Supporting strip; 4. Through hole; 5. Testing slot; 6. Telescopic tube; 7. Packaging tray; 8. Plug head; 9. Sealing ring; 10. Box door; 11. Observation window; 12. Air pump; 13. Air supply pipe; 14. Air outlet; 15. Packaging slot. Detailed Implementation

[0030] To further illustrate the various embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0031] According to an embodiment of the present invention, a detection device that can be used for the safety of gas pipelines is provided.

[0032] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments, such as... Figure 1-4As shown, a gas pipeline safety detection device according to an embodiment of the present invention includes a detection box 1 and a gas pump 12. The detection box 1 has a detection groove 5 inside. Several sets of placement racks 2 are evenly installed at the bottom of the detection groove 5. The surface of each placement rack 2 has an arc-shaped groove, and several sets of through holes 4 are opened on the surface of the arc-shaped groove. Several sets of wrapping discs 7 are symmetrically and evenly installed on both sides of the placement racks inside the detection box 1. Each wrapping disc 7 has a wrapping groove 15 inside. A plug 8 is installed in the middle of the wrapping groove 15. Sealing rings 9 are installed on the surface of both the plug 8 and the wrapping groove 15. Telescopic tubes 6 are installed on the surface of each wrapping disc 7. One set of telescopic tubes 6 penetrates one side of the detection box 1 and connects to the gas pump. The air supply pipe 13 is connected to the air pump 12 at one end. The plug 8 connected to the air pump 12 has an air outlet 14 on its surface. The relationship between the test box 1 and the test tank 5 is as follows: The test box 1 is the main frame, and the depth of the test tank 5 must meet the testing requirements of immersing the pipe in liquid (such as water). The connection with the placement rack 2 is as follows: The placement rack 2 is fixed to the bottom of the test tank 5 by bolts or welding, and is evenly distributed to support the pipe and ensure that the pipe is placed horizontally. The cooperation with the wrapping tray 7 is as follows: The wrapping tray 7 is installed on the inner wall of the test box 1, located on both sides of the placement rack 2, and can be moved horizontally to adapt to pipes of different lengths. Space bearing: It provides a closed space for the testing process, which is convenient for filling liquid (such as water) to form a testing environment. Protective components: It houses the air pump 12. Components such as the telescopic tube 6 are designed to prevent external interference; the installation foundation provides fixed support for components such as the placement rack 2 and the wrapping tray 7, ensuring structural stability during testing; the testing box 1, wrapping tray 7, and placement rack 2 together form a closed testing space. After being inflated with the air pump 12, pipe leaks are determined by observing bubbles in the liquid, achieving intuitive testing; the connection between the placement rack 2 and the testing groove 5 is achieved by bolts fixing it to the bottom of the testing groove 5, with evenly spaced along the length of the testing groove 5, and the spacing is designed according to the common pipe length; the design of the arc-shaped groove and the through hole 4: the arc-shaped groove fits the outer wall of the pipe, providing support; the through hole 4 penetrates the bottom of the groove, ensuring that the liquid can flow under the pipe, preventing bubbles from accumulating in the groove and affecting the testing; pipe support: the arc-shaped groove matches the pipe arc. To prevent the pipe from rolling during testing and ensure the alignment accuracy between the wrapping disc 7 and both ends of the pipe; Liquid flow: The through hole 4 allows liquid to permeate, immersing the entire surface of the pipe in the liquid, ensuring that bubbles generated at the leak point can be observed; The placement frame 2 supports and positions the pipe, and works with the wrapping disc 7 to seal both ends of the pipe, keeping the pipe stable during inflation and preventing seal failure due to shaking; Connection between the telescopic pipe 6 and the wrapping disc 7: One end of the telescopic pipe 6 is welded to the back of the wrapping disc 7 through a flange, and the other end passes through the through hole in the side wall of the testing box 1 and is connected to the air supply pipe 13 through threads; Connection between the air supply pipe 13 and the air pump 12: The air supply pipe 13 is made of pressure-resistant rubber tubing, with one end connected to the telescopic pipe 6 and the other end fixed to the air outlet 14 of the air pump 12 through a threaded interface;Length Adjustment: The telescopic tube 6 is elastically extendable (like a corrugated pipe structure), allowing the wrapping disc 7 to move within a certain range, adapting to the connection of the two ends of pipes of different lengths; Gas Transmission: The gas supply pipe 13 is connected to the air pump 12, delivering compressed gas to the plug head 8 of the wrapping disc 7, and injecting it into the pipe through the outlet 14; The adjustability of the telescopic tube 6 ensures that the wrapping disc 7 can tightly fit both ends of the pipe, avoiding seal failure due to pipe length errors; The connection between the gas supply pipe 13 and the air pump 12 ensures a stable gas supply, maintains the gas pressure inside the pipe, and makes leak detection more sensitive.

[0033] like Figure 1 As shown, a door 10 is rotatably connected to one side of the top of the testing chamber 1. The door is fixed to the top of the testing chamber 1 by a hinge and can be opened by rotating around the hinge. A sealing strip is provided on the edge to fit the testing chamber 1 and prevent liquid leakage. Operation entrance: The door 10 is used to open the testing chamber 1 to facilitate the placement or removal of pipes for pre-test installation and post-test maintenance. Real-time observation: The observation window 11 allows the testing personnel to observe whether air bubbles are generated in the liquid in the testing tank 5 without opening the door 10, and to determine the pipe leakage situation. The door 10 and the observation window 11 work together to ensure the sealing of the testing environment and provide a visual observation channel, so that the testing process can be carried out without interruption and improve efficiency.

[0034] like Figure 1 As shown, an observation window 11 is installed on the surface of the door 10. The observation window 11 is made of transparent pressure-resistant glass, which is embedded into the surface of the door 10 through a slot and fixed with sealant around the edges to ensure waterproofing and pressure resistance.

[0035] like Figure 1 As shown, a support strip 3 is installed on the other side of the top of the test box 1. The support strip 3 is connected to the test box 1 by bolts. It is symmetrically arranged with the box door 10 and its length is consistent with the width of the top of the test box 1.

[0036] like Figure 1 and Figure 2As shown, the dimensions of the wrapping disc 7 and the plug head 8 gradually decrease. The wrapping disc 7, plug head 8, and test box 1 are connected as follows: the wrapping disc 7 is connected to the side wall of the test box 1 via a telescopic tube 6, which can elastically extend and retract to accommodate pipes of different lengths. The wrapping groove 15 and plug head 8 are installed as follows: the plug head 8 is fixed to the center of the wrapping groove 15 via threads or a groove, and the sealing ring 9 is embedded in the grooves on the outer wall of the plug head 8 and the inner wall of the wrapping groove 15 to ensure a seal. The size gradient design: the wrapping disc 7 and plug head 8 are arranged in a diameter gradient (e.g., 50mm, 80mm, 100mm, etc.), allowing for the adaptation of pipes of different diameters by replacing the wrapping disc 7 with different sizes. Pipeline sealing: The plug head 8 is inserted into the pipe port, and the rubber sealing ring 9 fills the gap through compression deformation. Combined with the design of the plug head 8 being larger than the inner diameter of the pipe (interference fit), a double seal is formed. Gas introduction: The plug head 8 connected to the air pump 12 has an outlet 14. Gas enters the inside of the pipe through the outlet 14 to achieve inflation detection. Pipe diameter adaptation: The gradual size design allows the device to detect pipes of various specifications, expanding the scope of application. The wrapping disc 7 and the plug head 8 block the gas leakage path through the sealing structure. Only when there is a damage to the pipe will the gas escape from the damaged area and generate bubbles. Combined with the liquid environment inside the detection box 1, the leak point can be directly located.

[0037] like Figure 1 and Figure 2 As shown, both the sealing ring 9 and the plug head 8 are made of rubber. The sealing ring 9 and the rubber material have the following characteristics and installation logic: The sealing ring 9 is embedded in the annular groove on the outer wall of the plug head 8 and the groove on the inner wall of the wrapping groove 15. During installation, it is necessary to ensure that the sealing ring 9 is intact and undamaged to avoid sealing failure. Elastic sealing: The high elasticity of the rubber material causes it to deform when the plug head 8 is inserted into the pipe, filling the gap between the pipe end and the plug head 8, preventing gas leakage. Corrosion resistance: The rubber material is resistant to liquid (such as water) corrosion, ensuring stable sealing performance during long-term use. The interference fit between the sealing ring 9 and the plug head 8 together constitutes a sealing system, ensuring that gas inside the pipe can only escape from the damaged area, providing a prerequisite for bubble detection.

[0038] like Figure 1 and Figure 2 As shown, the size of the plug head 8 is larger than the inner diameter of the gas pipeline to be tested.

[0039] like Figure 1 and Figure 2As shown, the plug head 8 has both a solid structure and a hollow structure. The solid and hollow structures of the plug head 8 are as follows: Hollow structure: An outlet 14 is provided; the wrapping disc 7 connected to the air supply pipe 13 must use a hollow plug head 8 to ensure gas introduction. Solid structure: No outlet 14; it is used for the wrapping disc 7 at the other end of the pipe, serving only a sealing function. It is used symmetrically with the hollow plug head 8 during installation. Gas introduction and sealing: The hollow structure is used with the air pump 12 for inflation, while the solid structure seals the other end of the pipe, forming a complete gas detection circuit. Adaptability to different detection needs: The corresponding structure can be selected according to the pipeline detection scenario (such as single-end inflation or double-end sealing) to improve the flexibility of the device. Both structures can be used together. This design ensures a sealed space inside the pipeline, allowing gas to leak only from the rupture point, thus making bubble detection results accurate and reliable. The components are mechanically connected (e.g., bolts, welding, clamps) and work together to form a complete testing process: "pipeline support - sealing at both ends - gas filling - liquid observation." The placement rack 2 positions the pipeline, and the wrapping disc 7 and plug head 8 seal both ends. The air pump 12 fills the pipeline with air through the supply pipe 13 and the telescopic pipe 6. Liquid is poured into the testing chamber 1, and the observation window 11 is used to view bubbles. Gas escaping from the pipeline rupture point generates bubbles, allowing for intuitive location of the leak. This structure reduces costs through a purely mechanical design, is compatible with various pipe sizes, and meets the testing needs of small and micro-sized enterprises.

[0040] Working Principle: In actual use, personnel can place the manufactured gas pipeline onto the rack 2 inside the testing box 1. Then, the two wrapping discs 7 are inserted into the two ends of the pipeline. At this time, the wrapping grooves 15 on the surface of the wrapping discs 7 can wrap the outer circumference of the pipeline, while the inside of the pipeline can be engaged with the plug head 8 in the middle of the wrapping disc 7. Since the inside of the wrapping disc 7 and the surface of the plug head 8 are equipped with sealing rings 9, the pipeline can be sealed by the deformation and reset of the sealing rings 9 and the plug head 8 itself during insertion. The plug head 8 connected to the gas supply pipe 13 has an outlet 14 inside, so the gas generated by the air pump 12 can smoothly enter the pipeline through the gas supply pipe 13 and the outlet 14 on the surface of the plug head 8, realizing the gas flow operation. After the pipeline is installed, liquid can be poured into the testing box 1 to submerge the pipeline. At this time, the operation of the air pump 12... The device allows gas to be introduced into the pipeline. When the pipeline surface is intact, the gas cannot leak out, and no bubbles will form in the liquid around the pipeline. Conversely, when the pipeline surface is damaged, the gas inside will flow out through the damaged area, and bubbles will form in the liquid around the pipeline. This allows personnel to quickly determine whether the pipeline is intact, thus enabling pipeline inspection. Undamaged pipelines can be processed or installed for use, while damaged pipelines can be reprocessed. The overall structure of the device is relatively simple and easy to manufacture, resulting in lower maintenance costs and less difficulty. It also features multiple sizes of gas trays 7 and a telescopic tube 6, allowing it to be used for inspecting gas pipelines of different sizes, expanding its applicability and improving its overall performance. The device boasts advantages such as simple structure, wide applicability, and high intuitiveness.

[0041] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0042] 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 detection device for gas pipeline safety, comprising a detection box (1) and an air pump (12), characterized in that, The detection box (1) has a detection groove (5) inside. Several sets of placement racks (2) are evenly installed at the bottom of the detection groove (5). The surface of the placement rack (2) is provided with an arc-shaped groove, and several sets of through holes (4) are opened on the surface of the arc-shaped groove. Several sets of wrapping trays (7) are symmetrically and evenly installed on both sides of the placement rack (2) inside the detection box (1). The wrapping tray (7) has a wrapping groove (15) inside. A plug head (8) is installed in the middle of the wrapping groove (15). A sealing ring (9) is installed on the surface of the plug head (8) and the surface of the wrapping groove (15). A telescopic tube (6) is installed on the surface of the wrapping tray (7). One set of the telescopic tubes (6) passes through one side of the detection box (1) and is connected to the air supply pipe (13). One end of the air supply pipe (13) is connected to the air pump (12). The surface of the plug head (8) connected to the air pump (12) has an air outlet (14).

2. The detection device for gas pipeline safety according to claim 1, characterized in that, The detection box (1) is rotatably connected to a door (10) on one side of the top.

3. The detection device for gas pipeline safety according to claim 2, characterized in that, An observation window (11) is installed on the surface of the box door (10).

4. A detection device for gas pipeline safety according to claim 1, characterized in that, A support strip (3) is installed on the other side of the top of the testing box (1).

5. A detection device for gas pipeline safety according to claim 1, characterized in that, The dimensions of the package disc (7) and the plug head (8) gradually decrease.

6. A detection device for gas pipeline safety according to claim 1, characterized in that, Both the sealing ring (9) and the plug (8) are made of rubber.

7. A detection device for gas pipeline safety according to claim 1, characterized in that, The size of the plug (8) is larger than the inner diameter of the gas pipeline to be tested.

8. A detection device for gas pipeline safety according to claim 1, characterized in that, The plug head (8) has both a solid structure and a hollow structure.

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