Natural gas pipeline safety nondestructive testing device
By designing a natural gas pipeline detection device containing sealing components and detection components, the problem of using harmful chemical reagents and difficult non-destructive testing in the prior art is solved, and efficient and accurate natural gas pipeline sealing and leakage point detection is achieved, ensuring the safety and quality of the pipeline.
Patent Information
- Application Number
- CN202421535236.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-07-01
AI Technical Summary
Existing natural gas pipeline detection methods require the use of harmful chemical reagents, which may damage pipeline materials and pose a threat to the environment and human health, and it is difficult to conduct efficient and accurate sealing tests without damaging the pipeline.
A safety non-destructive testing device for natural gas pipelines is designed, including a base, a detection tube, a connecting plate, a carrier, a sealing assembly and a detection assembly. The sealing assembly achieves a lossless seal through the airbag ring, conduit and air pump. The detection assembly simulates working pressure through injection of water and boosting, and quickly and accurately detects leakage points.
The device can efficiently and accurately detect the sealing and leakage points of natural gas pipelines without damaging the pipeline materials, improving the accuracy and reliability of detection, and ensuring the quality and safety of pipelines.
Smart Images

Figure CN222761805U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of natural gas pipelines, in particular to a safe nondestructive testing device for natural gas pipelines. Background Art
[0002] As a clean and efficient energy source, natural gas occupies an increasingly important position in the energy structure of modern society. However, with the widespread laying and use of natural gas pipelines, its safety issues have become increasingly prominent. Especially in the production process of natural gas pipelines, strict sealing tests on pipelines are the key link to ensure pipeline quality and safety in use.
[0003] Although the traditional chemical leak detection method can detect leaks in pipelines more accurately, this method requires the use of specific chemical reagents, which may corrode pipeline materials and pose potential threats to the environment and human health. In order to solve the above problems, we can conduct efficient and accurate sealing tests on natural gas pipelines without damaging pipeline materials, thereby ensuring the quality and safety of pipelines. For this reason, we propose a safe non-destructive testing device for natural gas pipelines. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] In view of the deficiencies in the prior art, the utility model provides a natural gas pipeline safety nondestructive testing device to solve the above-mentioned problems.
[0006] (II) Technical solution
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a natural gas pipeline safety nondestructive testing device, comprising a base, a detection tube for detection is fixedly installed on the top of the base, connecting plates for connection are fixedly installed on both sides of the base, and the other side of the connecting plate is fixedly installed on one side of a bearing seat, and the bearing seat is used to carry an undetected natural gas pipeline, and also includes:
[0008] A sealing assembly, which is arranged at both ends of the inner wall surface of the base and is used to fix and seal the pipeline;
[0009] A detection component is arranged inside the base and is used to detect leakage points in the pipeline.
[0010] Preferably, a semi-arc-shaped bearing groove is provided on the top of the bearing seat, and a plurality of auxiliary wheels for guiding are rotatably installed inside the bearing groove.
[0011] Preferably, the sealing assembly includes an airbag ring, a catheter and an air pump. The airbag ring is fixedly mounted and hung on the inner wall surface of the detection tube. The top of the airbag ring is fixedly connected to the catheter. The catheter passes through the base and is fixedly connected to the air pump.
[0012] Preferably, a sealing edge for strengthening the sealing is fixedly mounted on one side of the airbag ring that contacts the pipe.
[0013] Preferably, sealing rings for auxiliary sealing are fixedly mounted on both sides of the bottom of the sealing edge, and the sealing ring and the sealing edge are made of rubber as a whole.
[0014] Preferably, the detection component includes a liquid inlet, a sealing cover and a pressure pump. The top of the detection tube is fixedly equipped with a liquid inlet for injecting water. The top of the liquid inlet is plugged and installed with a sealing cover for sealing. Pressure pumps for boosting pressure are fixedly installed on both sides of the top of the detection tube corresponding to the liquid inlet, and the pressure pump is connected to the detection tube.
[0015] Preferably, a drainage notch for draining water is provided at the bottom of the detection tube, and a sealing block for sealing is installed inside the drainage notch.
[0016] (III) Beneficial effects
[0017] Compared with the prior art, the utility model provides a natural gas pipeline safety nondestructive testing device, which has the following beneficial effects:
[0018] 1. The natural gas pipeline safety nondestructive testing device has a simple design and is easy to operate. It is suitable for natural gas pipelines of various specifications and lengths. In particular, through the design of the bearing groove and the auxiliary wheel, the device can easily adapt to pipelines of different diameters, thereby improving the versatility and applicability of the device.
[0019] 2. The natural gas pipeline safety nondestructive testing device ensures that no physical damage will be caused to the natural gas pipeline during the testing process through the setting of the sealing component, and can effectively seal and fix the natural gas pipeline, making it more convenient to use during the natural gas pipeline testing.
[0020] 3. The natural gas pipeline safety nondestructive testing device can quickly and accurately detect the leakage point of the natural gas pipeline through the setting of the detection component. By injecting water and increasing pressure, the actual working pressure environment is simulated to conduct a comprehensive test on the sealing performance of the pipeline, which greatly improves the accuracy and reliability of the test. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0022] Figure 2 This is a schematic diagram of the sealing component structure of the utility model;
[0023] Figure 3 This is a schematic diagram of the structure of the detection component of the utility model.
[0024] In the figure: 1. base; 2. detection tube; 3. connecting plate; 4. bearing seat; 5. bearing groove; 6. auxiliary wheel; 7. airbag ring; 8. catheter; 9. air pump; 10. sealing edge; 11. sealing ring; 12. liquid inlet; 13. sealing cover; 14. pressure pump; 15. drainage groove; 16. blocking block. DETAILED DESCRIPTION
[0025] 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.
[0026] See also Figure 1-3 A natural gas pipeline safety nondestructive testing device comprises a base 1, a detection tube 2 for testing is fixedly installed on the top of the base 1, a connecting plate 3 for connection is fixedly installed on both sides of the base 1, and the other side of the connecting plate 3 is fixedly installed on one side of a bearing seat 4, and the bearing seat 4 is used to bear an untested natural gas pipeline, and also comprises:
[0027] Sealing components, which are arranged at both ends of the inner wall surface of the base 1 and are used to fix and seal the pipeline;
[0028] A detection component is arranged inside the base 1 and is used to detect leakage points of the pipeline.
[0029] Furthermore, a semi-arc-shaped bearing groove 5 is provided on the top of the bearing seat 4, and a plurality of auxiliary wheels 6 for guiding are rotatably installed inside the bearing groove 5. The device has a simple design and is easy to operate. It is suitable for natural gas pipelines of various specifications and lengths. In particular, the design of the bearing groove 5 and the auxiliary wheels 6 allows the device to easily adapt to pipelines of different diameters, thereby improving the versatility and applicability of the device.
[0030] Furthermore, the sealing assembly includes an airbag ring 7, a catheter 8 and an air pump 9. The airbag ring 7 is fixedly mounted and hung on the inner wall surface of the detection tube 2. The top of the airbag ring 7 is fixedly connected to the catheter 8. The catheter 8 passes through the base 1 and is fixedly connected to the air pump 9.
[0031] Furthermore, a sealing edge 10 for strengthening the sealing is fixedly mounted on one side of the airbag ring 7 that contacts the pipe.
[0032] Furthermore, sealing rings 11 for auxiliary sealing are fixedly installed on both sides of the bottom of the sealing edge 10. The sealing rings 11 and the sealing edge 10 are made of rubber as a whole. Through the setting of the sealing assembly, it is ensured that no physical damage will be caused to the natural gas pipeline during the detection process, and the natural gas pipeline can be effectively sealed and fixed, which is more convenient for use during natural gas pipeline detection.
[0033] Furthermore, the detection component includes a liquid inlet 12, a sealing cover 13 and a pressure pump 14. The top of the detection tube 2 is fixedly installed with a liquid inlet 12 for injecting water. The top of the liquid inlet 12 is plugged and installed with a sealing cover 13 for plugging. The top of the detection tube 2 corresponds to the liquid inlet 12. Both sides are fixedly installed with a pressure pump 14 for boosting. The pressure pump 14 is connected to the detection tube 2. Through the setting of the detection component, the leakage point of the natural gas pipeline can be detected quickly and accurately. By injecting water and boosting pressure, the actual working pressure environment is simulated, and the sealing performance of the pipeline is comprehensively tested, which greatly improves the accuracy and reliability of the detection.
[0034] Furthermore, a drainage slot 15 for draining water is provided at the bottom of the detection tube 2 , and a sealing block 16 for sealing is installed in the drainage slot 15 .
[0035] Instructions
[0036] When in use, first place the natural gas pipeline to be tested inside the bearing groove 5 provided on the bearing seat 4, then push the natural gas pipeline into the interior of the detection tube 2 with the assistance of the auxiliary wheel 6 until the other end of the pipeline extends out from the other end of the detection tube 2, then start the air pump 9, and inject air into the interior of the airbag ring 7 through the guide phase of the conduit 8, so that the airbag ring 7 expands, and through the squeezing of the airbag ring 7, the sealing ring 11 at the bottom of the sealing edge 10 fixedly installed at the bottom of the airbag ring 7 is attached to the outer wall surface of the natural gas pipeline, and the position where the sealing ring 11 contacts the natural gas pipeline can be moistened with pure water in advance, so as to enhance the sealing performance, and then open the sealing cover 13, and through the inlet The liquid inlet 12 injects pure water into the interior of the detection tube 2. After it is filled, the pressure pump 14 fixedly installed on both sides of the top of the detection tube 2 is used to pressurize the interior, so that the pressure continues to rise, and the possible leakage points on the natural gas pipeline are detected. After the detection is completed, it is only necessary to open the cover 13 to release the pressure, turn off the air pump 9, and then lift the blocking block 16 from the bottom to remove the pure water in the detection tube 2, so as to carry out subsequent detection. Through the mutual cooperation between the above-mentioned structures, the device can perform efficient and accurate sealing tests on the natural gas pipeline without damaging the pipeline material, thereby ensuring the quality and safety of the pipeline, which is safer and more practical.
[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A natural gas pipeline safety non-destructive testing device, comprising a base (1), a detection tube (2) for detection is fixedly installed on the top of the base (1), connecting plates (3) for connection are fixedly installed on both sides of the base (1), the other side of the connecting plate (3) is fixedly installed on one side of a bearing seat (4), and the bearing seat (4) is used to bear an undetected natural gas pipeline, characterized in that: Also includes: A sealing assembly, the sealing assembly being arranged at both ends of the inner wall surface of the base (1), the sealing assembly being used to fix and seal the pipeline; A detection component is arranged inside the base (1), and is used to detect leakage points in the pipeline.
2. A natural gas pipeline safety nondestructive testing device according to claim 1, characterized in that: The top of each of the bearing seats (4) is provided with a semi-arc-shaped bearing groove (5), and a plurality of auxiliary wheels (6) for guiding are rotatably mounted inside each of the bearing grooves (5).
3. A natural gas pipeline safety nondestructive testing device according to claim 1, characterized in that: The sealing assembly comprises an airbag ring (7), a catheter (8) and an air pump (9); the airbag ring (7) is fixedly mounted and hung on the inner wall surface of the detection tube (2); the top of the airbag ring (7) is fixedly connected to the catheter (8); the catheter (8) passes through the base (1) and is fixedly connected to the air pump (9).
4. A natural gas pipeline safety nondestructive testing device according to claim 3, characterized in that: A sealing edge (10) for strengthening the seal is fixedly mounted on the side of the airbag ring (7) that contacts the pipeline.
5. A natural gas pipeline safety nondestructive testing device according to claim 4, characterized in that: Sealing rings (11) for auxiliary sealing are fixedly mounted on both sides of the bottom of the sealing edge (10); the sealing ring (11) and the sealing edge (10) are integrally made of rubber.
6. A natural gas pipeline safety nondestructive testing device according to claim 1, characterized in that: The detection component comprises a liquid inlet (12), a sealing cover (13) and a pressure pump (14); the top of the detection tube (2) is fixedly provided with a liquid inlet (12) for injecting water; the top of the liquid inlet (12) is plugged and installed with a sealing cover (13) for blocking; the top of the detection tube (2) corresponds to the liquid inlet (12) on both sides of which pressure pumps (14) for boosting pressure are fixedly provided; the pressure pump (14) is connected to the detection tube (2).
7. A natural gas pipeline safety nondestructive testing device according to claim 1, characterized in that: The bottom of the detection tube (2) is provided with a drainage notch (15) for draining water, and a sealing block (16) for sealing is installed in the drainage notch (15).