Gas leakage detection device for urban gas buried pipeline
By designing a gas leak detection device for urban gas buried pipelines and adding protection functions, the problem of low accuracy of traditional detection devices is solved, and effective protection and accuracy of detection results are achieved.
Patent Information
- Application Number
- CN202421472457.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-26
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-06-26
AI Technical Summary
Traditional gas leak detection devices lack protection functions, resulting in a greatly reduced accuracy of detection results and are susceptible to moisture and impurities in the soil.
A gas leakage detection device for urban gas buried pipelines was designed, and the protection function was added. Through the coordination of release blocks, release base plates, conical blocks and transverse rods, the protection of the detection instrument is achieved to avoid soil factors interfering with the detection results.
It effectively avoids interference from soil factors on the detection results, ensures the accuracy of gas leakage detection, and improves the reliability of the detection results.
Smart Images

Figure CN222669691U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of buried pipeline gas leakage detection, in particular to a gas leakage detection device for a buried urban gas pipeline. Background Art
[0002] Gas leakage is caused by accidental leakage of gas from pipelines and cylinders into the air. Gas pipelines in cities and towns are usually laid underground. When a gas leak occurs, inspectors use existing detection tools to detect the leak point. During the detection process, they only need to drill a hole in the ground and then insert the detector into the hole.
[0003] Traditional detection devices directly place the detection instrument into the hole during detection. However, during detection, the hole may collapse or other impurities may enter the hole, which will cause interference with the detection results and cannot ensure the accuracy of gas leak detection, thereby greatly reducing the accuracy of the detection results.
[0004] Therefore, it is necessary to provide a gas leak detection device for buried urban gas pipelines to solve the above technical problems. Utility Model Content
[0005] The utility model provides a gas leakage detection device for buried urban gas pipelines, which solves the problem that the accuracy of detection results is greatly reduced due to the lack of protection function of traditional detection devices.
[0006] In order to solve the above technical problems, the utility model provides a gas leakage detection device for underground urban gas pipelines, including: a device main body, a second cover plate is arranged on the device main body, a vertical fixing plate is fixedly connected to the second cover plate, a reset cross bar is slidably connected to the vertical fixing plate, a reset limit block is fixedly connected to the reset cross bar, a fixed limit block is fixedly connected to the reset limit block, a reset spring is arranged on the reset cross bar, a release block is slidably connected to the second cover plate, a release bottom plate is fixedly connected to the release block, a conical block is fixedly connected to the release bottom plate, a cross bar connecting block is fixedly connected to the reset cross bar, a cross bar connecting block is fixedly connected to the cross bar, and a first cover plate is arranged on the device main body, and a locking block is fixedly connected to the first cover plate.
[0007] Preferably, a first protective sleeve is fixedly connected to the device body, a first bottom ring is fixedly connected to the first protective sleeve, a first protrusion is fixedly connected to the first bottom ring, and a first splicing block is fixedly connected to the first bottom ring.
[0008] Preferably, a second protective sleeve is provided on the device body, a second bottom ring is fixedly connected to the second protective sleeve, a second protrusion is fixedly connected to the second bottom ring, and a second splicing block is fixedly connected to the second bottom ring.
[0009] Preferably, a device bottom plate is fixedly connected to the first casing, a guide groove is provided on the device bottom plate, a guide rod is slidably connected to the guide groove, and guide rods are provided on both the first cover plate and the second cover plate.
[0010] Preferably, a handle fixing block is fixedly connected to the bottom plate of the device, a handle rotating shaft is provided on the handle fixing block, and the handle fixing block is rotatably connected to the handle via the handle rotating shaft.
[0011] Preferably, a supporting ring is fixedly connected to the second casing.
[0012] Preferably, a detection hole is provided on the bottom plate of the device.
[0013] Compared with the related art, the gas leakage detection device for buried town gas pipeline provided by the utility model has the following beneficial effects:
[0014] The utility model provides a gas leakage detection device for buried urban gas pipelines. When using the device, the release block can be pressed first, and the release block will drive the release bottom plate to move downward. At this time, the release bottom plate will drive the conical block to squeeze the transverse rod, and the transverse rod will release the locking block. At this time, the release block can be loosened, and the locking block can be reinserted into the second cover plate when use is finished. The device adds a protection function for the detection instrument during leakage detection. When digging holes for detection, moisture, impurities, etc. in the soil may affect the detection instrument, and this protection function can avoid these problems and avoid soil factors from interfering with the detection results, thereby ensuring the accuracy of gas leakage detection, thereby achieving the effect of improving the accuracy of the detection results. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 A schematic structural diagram of a preferred embodiment of a gas leakage detection device for buried town gas pipelines provided by the utility model;
[0016] Figure 2 for Figure 1 A schematic top view of the device body shown;
[0017] Figure 3 for Figure 1 A schematic cross-sectional view of a second cover plate shown;
[0018] Figure 4 for Figure 2 An enlarged schematic diagram of part B is shown;
[0019] Figure 5 for Figure 1 An enlarged schematic diagram of part A is shown.
[0020] Numbers in the figure: 1. device body, 2. first cover plate, 3. handle, 4. second cover plate, 5. second casing, 6. supporting ring, 7. first casing, 8. handle shaft, 9. handle fixing block, 10. guide rod, 11. reset limit block, 12. reset spring, 13. transverse rod, 14. conical block, 15. transverse rod connecting block, 16. release bottom plate, 17. release block, 18. fixed limit block, 19. reset cross bar, 20. vertical fixing plate, 21. guide groove, 22. locking block, 23. detection hole, 24. first bottom ring, 25. second bottom ring, 26. second splicing block, 27. second protrusion, 28. first splicing block, 29. first protrusion, 30. device bottom plate. DETAILED DESCRIPTION
[0021] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.
[0022] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of a gas leakage detection device for buried town gas pipelines provided by the utility model; Figure 2 for Figure 1 A schematic top view of the device body shown; Figure 3 for Figure 1 A schematic cross-sectional view of a second cover plate shown; Figure 4 for Figure 1 An enlarged schematic diagram of part A is shown; Figure 5 for Figure 2 The enlarged schematic diagram of part B is shown. A gas leakage detection device for buried urban gas pipelines comprises: a device body 1, a second cover plate 4 is provided on the device body 1, a vertical fixing plate 20 is fixedly connected to the second cover plate 4, a reset cross bar 19 is slidably connected to the vertical fixing plate 20, a reset limit block 11 is fixedly connected to the reset cross bar 19, a fixed limit block 18 is fixedly connected to the reset limit block 11, a reset spring 12 is provided on the reset cross bar 19, a release block 17 is slidably connected to the second cover plate 4, a release bottom plate 16 is fixedly connected to the release block 17, a conical block 14 is fixedly connected to the release bottom plate 16, a cross bar connecting block 15 is fixedly connected to the reset cross bar 19, a transverse bar 13 is fixedly connected to the cross bar connecting block 15, a first cover plate 2 is provided on the device body 1, a locking block 22 is fixedly connected to the first cover plate 2, and the first cover plate 2 has the function of preventing mud from entering the interior of the device and affecting the detection result.
[0023] A first casing 7 is fixedly connected to the device body 1, a first bottom ring 24 is fixedly connected to the first casing 7, a first protrusion 29 is fixedly connected to the first bottom ring 24, a first splicing block 28 is fixedly connected to the first bottom ring 24, and the first casing 7 has the function of preventing soil on both sides from affecting the detection instrument during detection.
[0024] The device body 1 is provided with a second casing 5, to which a second bottom ring 25 is fixedly connected, to which a second protrusion 27 is fixedly connected, and to which a second splicing block 26 is fixedly connected. The second bottom ring 25 is provided with a second casing 5, and the second splicing block 26 facilitates the splicing of the second casing 5 and the first casing 7 together.
[0025] The first casing 7 is fixedly connected to a device base plate 30, the device base plate 30 is provided with a guide groove 21, the guide groove 21 is slidably connected to a guide rod 10, the first cover plate 2 and the second cover plate 4 are both provided with a guide rod 10, and the guide rod 10 has the function of guiding the first cover plate 2 and the second cover plate 4.
[0026] A handle fixing block 9 is fixedly connected to the device bottom plate 30, and a handle rotating shaft 8 is arranged on the handle fixing block 9. The handle fixing block 9 is rotatably connected to the handle 3 via the handle rotating shaft 8, and the handle 3 has the function of facilitating the carrying of the device.
[0027] The second casing 5 is fixedly connected with a supporting ring 6, and the supporting ring 6 has the function of supporting the device body 1, which can ensure the smooth progress of the detection.
[0028] The device bottom plate 30 is provided with a detection hole 23, and the detection hole 23 has the function of allowing a detection instrument to pass through, thereby achieving the purpose of leakage detection.
[0029] The working principle of a gas leakage detection device for buried urban gas pipeline provided by the utility model is as follows:
[0030] When using this device, you can first press the release block 17, at this time the release block 17 will drive the release base plate 16 to move downward, at this time the release base plate 16 will drive the tapered block 14 to squeeze the transverse rod 13, at this time the transverse rod 13 will drive the cross bar connecting block 15 to move, the cross bar connecting block 15 will drive the reset cross bar 19 to move, at this time the reset cross bar 19 will drive the reset limit block 11 to move, the reset limit block 11 will pull the reset spring 12, at this time the locking block 22 can be released, at this time release the release block 17, under the action of the elastic force of the reset spring 12, it will drive the reset cross bar 19 to reset, when the use is over, the locking block 22 can be reinserted into the second cover plate 4, at this time the locking block 22 will squeeze the reset cross bar 19, when the locking block 22 crosses the reset cross bar 19, the reset spring 12 will use the elastic force to push the reset cross bar 19 to reset, restricting the locking block 22, so that the first cover plate 2 and the second cover plate 4 are fixed together.
[0031] Compared with the related art, the gas leakage detection device for buried town gas pipeline provided by the utility model has the following beneficial effects:
[0032] The utility model provides a gas leakage detection device for buried urban gas pipelines. When using the device, the release block 17 can be pressed first. At this time, the release block 17 will drive the release bottom plate 16 to move downward. At this time, the release bottom plate 16 will drive the conical block 14 to squeeze the transverse rod 13. At this time, the transverse rod 13 will release the locking block 22. At this time, the release block 17 can be loosened. When the use is finished, the locking block 22 can be reinserted into the second cover plate 4. The device adds a protection function for the detection instrument during leakage detection. When digging holes for detection, moisture, impurities, etc. in the soil may affect the detection instrument, and this protection function can avoid these problems and avoid soil factors from interfering with the detection results, thereby ensuring the accuracy of gas leakage detection, thereby achieving the effect of improving the accuracy of the detection results.
[0033] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A gas leak detection device for buried town gas pipelines, characterized in that: include: The device body is provided with a second cover plate, the second cover plate is fixedly connected with a vertical fixing plate, the vertical fixing plate is slidably connected with a reset cross bar, the reset cross bar is fixedly connected with a reset limiting block, the reset limiting block is fixedly connected with a fixed limiting block, a reset spring is provided on the reset cross bar, a release block is slidably connected with the second cover plate, a release bottom plate is fixedly connected with the release block, a conical block is fixedly connected with the release bottom plate, a cross bar connecting block is fixedly connected with the reset cross bar, and a transverse rod is fixedly connected with the cross bar connecting block, and a first cover plate is provided on the device body, and a locking block is fixedly connected with the first cover plate.
2. A gas leak detection device for buried town gas pipeline according to claim 1, characterized in that: A first protective tube is fixedly connected to the device body, a first bottom ring is fixedly connected to the first protective tube, a first protrusion is fixedly connected to the first bottom ring, and a first splicing block is fixedly connected to the first bottom ring.
3. A gas leak detection device for buried town gas pipeline according to claim 2, characterized in that: The device body is provided with a second protective tube, the second protective tube is fixedly connected with a second bottom ring, the second bottom ring is fixedly connected with a second protrusion, and the second bottom ring is fixedly connected with a second splicing block.
4. A gas leak detection device for buried town gas pipeline according to claim 2, characterized in that: The first protective tube is fixedly connected with a device bottom plate, the device bottom plate is provided with a guide groove, the guide groove is slidably connected with a guide rod, and the first cover plate and the second cover plate are both provided with guide rods.
5. A gas leak detection device for buried town gas pipeline according to claim 4, characterized in that: A handle fixing block is fixedly connected to the bottom plate of the device, a handle rotating shaft is arranged on the handle fixing block, and the handle fixing block is rotatably connected to the handle via the handle rotating shaft.
6. A gas leakage detection device for buried town gas pipeline according to claim 3, characterized in that: A supporting ring is fixedly connected to the second casing.
7. A gas leakage detection device for buried town gas pipeline according to claim 4, characterized in that: A detection hole is provided on the bottom plate of the device.