Urban gas pipeline leakage detecting and positioning device
By introducing a handheld lever, drive motor, and gear transmission system into the gas pipeline leak detection device, the height of the detection probe can be adaptively adjusted and the leak point can be marked. This solves the problem that existing devices cannot detect pipelines at high locations, and improves the applicability and portability of the device.
Patent Information
- Application Number
- CN202520293644.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-24
AI Technical Summary
Existing urban gas pipeline leak detection and location devices are handheld and therefore cannot effectively detect gas pipelines located at higher elevations, resulting in significant limitations in their performance.
A device comprising a handheld lever, a drive motor, a transmission shaft, a gearbox, gears, a screw, and a lifting base was designed. The device achieves adaptive height adjustment of the detection probe through a motor-driven gear transmission system and is equipped with a gooseneck tube and a nozzle for marking leak points.
The device features adaptive height adjustment of the detection probe, enabling it to detect gas pipelines at different heights and mark leak points for easy subsequent repairs, thus improving the device's applicability and portability.
Smart Images

Figure CN223807042U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to gas pipeline detection device technical field, concretely relates to a kind of city gas pipeline leakage detection positioning device. BACKGROUND
[0002] At present, gas pipeline is one of the important facilities indispensable to city, and has made great contribution to people's living standards. However, due to aging of gas pipeline equipment, geography and climate and human damage, etc., gas pipeline leakage accidents often occur. If gas pipeline leaks, it needs to be repaired in time to avoid property loss and environmental pollution caused by natural gas leakage.
[0003] The existing city gas pipeline leakage detection positioning device adopts a handheld structure in use process to improve its portability, i.e. the detection probe is placed around the gas pipeline to detect whether the gas pipeline leaks. The above-mentioned method can only detect the gas pipeline within a certain height due to the handheld structure, and the gas pipeline at higher height cannot be detected, which leads to great limitation and affects its use performance. Therefore, there is an urgent need for a city gas pipeline leakage detection positioning device to solve the above-mentioned problems. SUMMARY
[0004] (I) Technical problem to be solved
[0005] The technical problem to be solved by the utility model is to provide a city gas pipeline leakage detection positioning device which can self-adaptively adjust the detection probe according to the height of the gas pipeline, mark the leakage point, facilitate subsequent repair, has strong applicability and high portability, in view of the status of the prior art.
[0006] (II) Technical scheme
[0007] The utility model realizes the following technical scheme: the utility model provides a kind of city gas pipeline leakage detection positioning device, including hand-held pole, the hand-held pole is hollow structure, driving motor is installed on the one side wall of hand-held pole, driving motor's output shaft is fixed with transmission shaft, gear box is installed in the bottom end of hand-held pole, main gear is arranged in the gear box, the one side of main gear is connected with auxiliary gear, screw rod is fixed in the top middle part of auxiliary gear, screw block is sleeved on the screw rod, two groups of linkage rods are symmetrically installed on the top end of screw block, lifting seat is fixed on the top end of linkage rod, goose neck pipe one is arranged on the one side of lifting seat upper end, detection probe is connected to the one end of goose neck pipe one, winding drum is connected to the one end of transmission shaft, transmission line is wound on winding drum, storage tube is fixed on the other side of lifting seat upper end, goose neck pipe two is led out on the upper end of storage tube, nozzle is connected to the one end of goose neck pipe two.
[0008] Further, the transmission shaft is connected with the gear box through a bearing, the main gear is fixed on the transmission shaft, the secondary gear is engaged with the main gear, and the main gear and the secondary gear are both conical gears.
[0009] By adopting the above technical scheme, the driving motor drives the transmission shaft to rotate, and the transmission shaft drives the secondary gear to rotate through the main gear.
[0010] Further, the screw rod is fixedly connected with the secondary gear at the bottom end, the screw rod is rotatably connected with the hand-held rod at the top end, the screw block is screwed on the screw rod, and the linkage rod is welded on the top end of the screw block and penetrates through the top end of the hand-held rod.
[0011] By adopting the above technical scheme, the secondary gear drives the screw rod to rotate, and then the screw block moves under the action of the screw thread and drives the lifting seat to move through the linkage rod, so that the height of the detection probe can be adjusted according to the height of the gas pipeline, and the applicability is improved.
[0012] Further, the lifting seat is fixed in the linkage rod through bolts, and the goose neck pipe one is internally provided with a connecting line, and the connecting line is electrically connected with the detection probe.
[0013] By adopting the above technical scheme, the goose neck pipe one can adjust the orientation of the detection probe, and after the adjustment is completed, the detection probe can be moved along the gas pipeline by the hand-held rod, so that the detection probe can detect the gas pipeline.
[0014] Further, the winding drum is fixed on one end of the transmission shaft through bolts, and one end of the transmission line is fixedly connected with the connecting line internally provided in the goose neck pipe one.
[0015] By adopting the above technical scheme, the transmission shaft drives the winding drum to rotate on the other side, so that the transmission line can be released during the movement of the lifting seat, and the transmission line can be wound during the movement of the winding seat, so that the transmission line can be stored and arranged.
[0016] Further, the storage cylinder is internally provided with a pump body, the goose neck pipe two is internally provided with a pipe drawing device, the nozzle is installed on the pipe drawing device through screw threads, and the other end of the pipe drawing device is connected with the output port of the pump body.
[0017] By adopting the above technical scheme, the goose neck pipe two can adjust the angle of the nozzle, when the gas pipeline is detected to be leaked, the pump in the storage cylinder is controlled to work, so that the stored coating is drawn out and sprayed onto the gas pipeline through the nozzle, and the leakage point can be marked, which is convenient for subsequent unified repair.
[0018] Further, a touch screen is fixed on one side wall of the hand-held rod, and the touch screen is electrically connected with the transmission line.
[0019] By adopting the above technical scheme, the working of the touch screen control device displays the detection data of the detection probe at the same time.
[0020] Further, a buzzer is installed above the touch screen, the buzzer is electrically connected with the touch cavity, and the buzzer is fixed on the hand-held rod through screws.
[0021] By adopting the above technical scheme, when the leakage point is detected, the buzzer acts to remind the worker.
[0022] (Three) beneficial effects
[0023] Compared with the prior art, the utility model has the following beneficial effects:
[0024] In order to improve the portability of the existing city gas pipeline leakage detection positioning device in the use process, a hand-held structure is adopted, that is, the detection probe is arranged around the gas pipeline to detect whether the gas pipeline leaks, the above-mentioned mode can only detect the gas pipeline within a certain height in the detection process due to the hand-held structure, and the gas pipeline located at a higher height cannot be detected, thereby leading to great limitation and affecting the use performance of the device. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 is a structural schematic view of the city gas pipeline leakage detection positioning device;
[0026] Figure 2 is an enlarged view of A in the city gas pipeline leakage detection positioning device; Figure 1
[0027] Figure 3 is an internal structure schematic view of the hand-held rod of the city gas pipeline leakage detection positioning device;
[0028] Figure 4 is a main sectional view of the gear box of the city gas pipeline leakage detection positioning device.
[0029] The following is a description of the reference signs:
[0030] 1. Handheld lever; 2. Touch screen; 3. Drive motor; 4. Take-up drum; 5. Transmission line; 6. Buzzer; 7. Linkage rod; 8. Lifting seat; 9. Gooseneck tube one; 10. Detection probe; 11. Nozzle; 12. Gooseneck tube two; 13. Storage cylinder; 14. Screw; 15. Screw block; 16. Drive shaft; 17. Gearbox; 18. Main gear; 19. Secondary gear. Detailed Implementation
[0031] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.
[0032] like Figures 1-4 As shown, this embodiment of a city gas pipeline leak detection and location device includes a handheld rod 1, which has a hollow structure. A drive motor 3 is installed on one side wall of the handheld rod 1, and a transmission shaft 16 is fixed on the output shaft of the drive motor 3. A gearbox 17 is installed at the bottom of the handheld rod 1, and a main gear 18 is installed inside the gearbox 17. A secondary gear 19 is connected to one side of the main gear 18. The drive motor 3 drives the transmission shaft 16 to rotate, and the transmission shaft 16 drives the secondary gear 19 to rotate through the main gear 18. A screw 14 is fixed at the middle of the top of the secondary gear 19, and a screw block 15 is sleeved on the screw 14. Two sets of linkage rods 7 are symmetrically installed on both sides of the top of the screw block 15. A lifting seat 8 is fixed at the top of the linkage rod 7. The secondary gear 19 drives the screw 14 to rotate, thereby causing the screw block 15 to move under the action of the thread, and driving the lifting seat 8 to move through the linkage rods 7. The height of the detection probe 10 can be adjusted according to the height of the gas pipeline to improve its applicability. A gooseneck tube 9 is provided on one side of the upper end of the lifting seat 8. One end of the gooseneck tube 9 is connected to a detection probe 10. The position of the detection probe 10 can be adjusted. After adjustment, the operator moves the detection probe 10 along the gas pipeline by holding the lever 1, thereby enabling the detection probe 10 to detect the gas pipeline. One end of the drive shaft 16 is connected to a take-up drum 4, on which a transmission line 5 is wound. The drive shaft 16 also drives the take-up drum 4 to rotate, thereby releasing the transmission line 5 during the upward movement of the lifting seat 8 and releasing it during the downward movement of the take-up seat. Line 5 is wound up to store and organize the transmission line 5. A storage cylinder 13 is fixed on the other side of the upper end of the lifting seat 8. A gooseneck tube 12 extends from the upper end of the storage cylinder 13. One end of the gooseneck tube 12 is connected to a nozzle 11. The angle of the nozzle 11 can be adjusted by the gooseneck tube 12. When a gas pipeline leak is detected, the pump in the storage cylinder 13 is controlled to work, so that the stored paint is extracted and sprayed onto the gas pipeline through the nozzle 11. The leak point can be marked for easy subsequent unified repair.
[0033] like Figures 1-4As shown, in this embodiment, the transmission shaft 16 and the gear box 17 are connected by bearings, the main gear 18 is fixed on the transmission shaft 16, the secondary gear 19 is engaged with the main gear 18, the secondary gear 19 and the main gear 18 are both conical gears, the bottom end of the screw rod 14 is fixedly connected with the secondary gear 19, the top end of the screw rod 14 is rotatably connected with the handheld rod 1, the screw block 15 is screwed on the screw rod 14, the linkage rod 7 is welded on the top end of the screw block 15 and penetrates the top end of the handheld rod 1, the lifting seat 8 is fixedly connected in the linkage rod 7 by bolts, the goose neck pipe one 9 is internally provided with a connecting line, the connecting line is electrically connected with the detection probe 10, the winding drum 4 is fixedly connected at one end of the transmission shaft 16 by bolts, one end of the transmission line 5 is fixedly connected with the connecting line internally provided in the goose neck pipe one 9, the pump body is internally provided in the storage cylinder 13, the suction pipe is internally provided in the goose neck pipe two 12, the nozzle 11 is installed on the suction pipe by screwing, and the other end of the suction pipe is connected with the output port of the pump body.
[0034] As shown in the figure, Figures 1-3 In this embodiment, the handheld rod 1 is fixedly connected with the touch screen 2 on one side wall, the touch screen 2 is electrically connected with the transmission line 5, the touch screen 2 controls the working of the device and displays the detection data of the detection probe 10, the buzzer 6 is installed above the touch screen 2, the buzzer 6 is electrically connected with the touch screen 2, and the buzzer 6 is fixed on the handheld rod 1 by screws. When the leakage point is detected, the buzzer 6 acts to remind the worker.
[0035] The specific implementation process of this embodiment is as follows: in use, the device is carried to the detection position by the handheld rod 1, then the orientation of the detection probe 10 is adjusted by the goose neck pipe one 9, the angle of the nozzle 11 is adjusted by the goose neck pipe two 12, then the touch screen 2 is controlled to work the driving motor 3, the driving motor 3 drives the transmission shaft 16 to rotate, the transmission shaft 16 drives the secondary gear 19 to rotate through the main gear 18 on one hand, the secondary gear 19 drives the screw rod 14 to rotate, and then the screw block 15 moves under the action of the screw thread and drives the lifting seat 8 to move through the linkage rod 7, the height of the detection probe 10 can be adjusted according to the height of the gas pipeline, on the other hand, the winding drum 4 is reversed to release the transmission line 5, after completion, the worker drives the detection probe 10 to move along the gas pipeline by the handheld rod 1, and then the detection probe 10 detects the gas pipeline, when the gas pipeline leaks, the buzzer 6 works to remind the worker, the worker controls the suction pump in the storage cylinder 13 to work, so that the stored paint is extracted and sprayed onto the gas pipeline through the nozzle 11, the leakage point can be marked, which is convenient for subsequent unified repair, after detection is completed, the driving motor 3 is reversed to lower the height of the detection probe 10 and at the same time the transmission line 5 is stored and arranged, ensuring the portability of the device.
[0036] The above description of disclosed embodiments enables one of ordinary skill in the art to make or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A device for detecting and locating leaks in a city gas pipeline, characterized in that: The utility model provides a kind of portable pole (1), the portable pole (1) is hollow structure, drive motor (3) is installed on the side wall of the portable pole (1), transmission shaft (16) is fixed on the output shaft of drive motor (3), gear box (17) is installed on the inside bottom end of the portable pole (1), main gear (18) is provided in gear box (17), one side of main gear (18) is connected with auxiliary gear (19), screw rod (14) is fixed in the top middle of auxiliary gear (19), screw block (15) is sleeved on screw rod (14), two groups of linkage rods (7) are symmetrically installed on the top of screw block (15), lifting seat (8) is fixed on the top of linkage rod (7), goose neck pipe one (9) is provided on the upper end of lifting seat (8), one end of goose neck pipe one (9) is connected with detection probe (10), one end of transmission shaft (16) is connected with winding drum (4), transmission line (5) is wound on winding drum (4), storage cylinder (13) is fixed on the other side of the upper end of lifting seat (8), goose neck pipe two (12) is led out on the upper end of storage cylinder (13), one end of goose neck pipe two (12) is connected with nozzle (11).
2. The urban gas pipeline leakage detection and positioning device according to claim 1, characterized in that: The transmission shaft (16) is connected with the gear box (17) through a bearing, the main gear (18) is fixed on the transmission shaft (16), the auxiliary gear (19) is engaged with the main gear (18), and the auxiliary gear (19) and the main gear (18) are both conical gears.
3. The urban gas pipeline leakage detection and positioning device according to claim 1, characterized in that: The bottom end of the screw rod (14) is fixedly connected with the auxiliary gear (19), and the top end of the screw rod (14) is rotatably connected with the portable pole (1). The screw block (15) is screwed on the screw rod (14). The linkage rods (7) are welded on the top of the screw block (15) and penetrate the top of the portable pole (1).
4. The urban gas pipeline leakage detection and positioning device according to claim 1, characterized in that: The lifting seat (8) is fixed in the linkage rod (7) by bolts. The goose neck pipe one (9) is internally connected with a connecting line, and the connecting line is electrically connected with the detection probe (10).
5. The apparatus for detecting and locating a leak in a city gas pipeline according to claim 4, wherein: The winding drum (4) is fixed on one end of the transmission shaft (16) by bolts. One end of the transmission line (5) is fixedly connected with the connecting line in the goose neck pipe one (9).
6. The urban gas pipeline leakage detection and positioning device according to claim 1, characterized in that: A pump body is arranged in the storage cylinder (13), and a suction pipe is arranged in the goose neck pipe two (12). The nozzle (11) is screwed on the suction pipe, and the other end of the suction pipe is connected with the output port of the pump body.
7. The apparatus for detecting and locating a leak in a city gas pipeline according to claim 6, wherein: A touch screen (2) is fixed on one side wall of the portable pole (1), and the touch screen (2) is electrically connected with the transmission line (5).
8. The urban gas pipeline leakage detection and positioning device according to claim 7, characterized in that: A buzzer (6) is installed above the touch screen (2), the buzzer (6) is electrically connected with the touch screen, and the buzzer (6) is fixed on the portable pole (1) by screws.