Vehicle-mounted gas leakage detection device

Abstract

The utility model discloses a vehicle-mounted gas leakage detection device which comprises a detection vehicle, the bottom of the detection vehicle is fixedly connected with a box body, the interior of the box body is fixedly connected with a motor, one end of the motor is fixedly connected with a driving gear, the side face of the driving gear is connected with a gear ring in an engaged mode, and the gear ring is connected with a gear shaft. The inner wall of the gear ring is provided with an internal thread, one end of the gear ring is in threaded connection with a moving ring in a penetrating mode, the inner wall of the moving ring is fixedly connected with a fixing strip, one side of the fixing strip is rotationally connected with a supporting shaft, and one end of the supporting shaft is fixedly connected with a driving box; and the outer wall of the driving box is annularly and fixedly connected with fan blades. By arranging the detection box, whether gas leakage exists or not can be detected, so that the accuracy of gas leakage detection can be improved, the number of times of repeated testing can be reduced, the detection efficiency can be improved, the cleanliness in the moving ring can be ensured, the purity of leaked gas during extraction can be ensured, and the accuracy of detection data can be ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle-mounted gas detection, in particular to a vehicle-mounted gas leakage detection device. Background Art

[0002] Gas is a flammable gas used to make fire in people's daily lives. Gas includes natural gas, coal gas, etc.

[0003] With the increase in the popularity of gas, the laying of underground gas pipelines in cities is also very dense. Due to the rapid development of gas, the demand for gas pipelines is also increasing significantly. In order to ensure that the quantity can meet the supply demand, multiple manufacturers will be needed to produce. Although the country has strict requirements on the size standards, there are no clear regulations on the material ratio of production. As long as the production quality range is met, the quality of gas pipelines will be uneven, and the wear rate will be different during use. After a long period of use, there will be some safety hazards in the gas pipeline. Leakage problems will not only affect people's normal use, but also cause safety problems in the leakage area. Due to the complexity of urban underground pipelines, it brings certain difficulties to the detection work.

[0004] At this time, a vehicle-mounted gas leak detection device is needed to assist the staff in detecting the gas pipeline in the leaking area. Utility Model Content

[0005] The utility model aims to solve one of the technical problems existing in the prior art or related technology.

[0006] To this end, the technical solution adopted by the utility model is: a vehicle-mounted gas leak detection device, including a detection vehicle, the bottom of the detection vehicle is fixedly connected to a box body, the interior of the box body is fixedly connected to a motor, one end of the motor is fixedly connected to a driving gear, the side of the driving gear is meshingly connected to a gear ring, the inner wall of the gear ring is provided with an internal thread, one end of the gear ring is threadedly connected to a moving ring in a through-shaped manner, the inner wall of the moving ring is fixedly connected to a fixing bar, one side of the fixing bar is rotatably connected to a support shaft, one end of the support shaft is fixedly connected to a driving box, and the outer wall of the driving box is annularly fixedly connected to a fan blade;

[0007] The fixing bar is hollow, and both ends of the fixing bar are slidably connected to the first threaded rod in a through-shape, one end of the first threaded rod is threadedly connected to the first bevel gear in a through-shape, one side of the first bevel gear is meshedly connected to the second bevel gear, a second threaded rod is fixedly connected to the center position of one side of the second bevel gear, one end of the second threaded rod is threadedly connected to the moving sleeve in a through-shape, and one end of the moving sleeve is slidably connected to the telescopic rod in a through-shape.

[0008] Preferably, one end of the telescopic rod is slidably connected to the inner wall of the movable ring, and the number of the telescopic rods is four.

[0009] Preferably, an infrared detection probe is fixedly connected to the side wall of the box.

[0010] Preferably, one end of the first threaded rod is fixedly connected to the inner wall of the box body, and the number of the first threaded rods is two.

[0011] Preferably, both ends of the movable sleeve are slidably connected to the side walls of the fixed bar in a penetrating manner, and the number of the movable sleeves is two.

[0012] Preferably, a detection box is fixedly connected to the top of the detection vehicle.

[0013] By adopting the above technical solution, the beneficial effects achieved by the utility model are as follows:

[0014] 1. The utility model is provided with a detection box. When the detection vehicle moves in the leakage area, the approximate range is determined by infrared detection. When the detection vehicle passes through the area, the gas in the area can be drawn into the detection box by fan blades for analysis. Through the analysis, it can be detected whether there is a gas leak, which can improve the accuracy of gas leak detection, reduce the number of repeated tests, and improve the efficiency of detection.

[0015] 2. The utility model is provided with a movable sleeve and a telescopic rod. When the fan blades extract gas during detection, the impurities inside will also be extracted into the movable ring. When the movable ring is stored, the fixed bar is passed through the first threaded rod. When passing through, the first bevel gear can be rotated and then the first bevel gear drives the second threaded rod on the second bevel gear to rotate, so that the movable sleeve drives the telescopic rod to move, and the impurities remaining on the filter net of the movable ring are cleaned, thereby ensuring the cleanliness of the movable ring, which is beneficial to ensuring the purity of the leaking gas when it is extracted and ensuring the accuracy of the detection data. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the inspection vehicle of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the box of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the mobile ring of the utility model.

[0019] Figure numerals: 1. detection vehicle; 2. box body; 3. motor; 4. driving gear; 5. gear ring; 6. internal thread; 7. moving ring; 8. fixing bar; 9. first threaded rod; 10. supporting shaft; 11. fan blade; 12. first bevel gear; 13. second bevel gear; 14. second threaded rod; 15. moving sleeve; 16. telescopic rod; 17. driving box; 18. infrared detection probe; 19. detection box. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0021] It should be understood that these descriptions are exemplary only and are not intended to limit the scope of the present invention.

[0022] A vehicle-mounted gas leakage detection device provided by some embodiments of the utility model will be described below in conjunction with the accompanying drawings.

[0023] Combination Figure 1-3 As shown, the utility model provides a vehicle-mounted gas leak detection device, including a detection vehicle 1, a box body 2 is fixedly connected to the bottom of the detection vehicle 1, a motor 3 is fixedly connected to the inside of the box body 2, a driving gear 4 is fixedly connected to one end of the motor 3, a gear ring 5 is meshingly connected to the side of the driving gear 4, an inner wall of the gear ring 5 is provided with an internal thread 6, one end of the gear ring 5 is threadedly connected to a moving ring 7 in a through-shaped manner, a fixing bar 8 is fixedly connected to the inner wall of the moving ring 7, one side of the fixing bar 8 is rotatably connected to a support shaft 10, one end of the support shaft 10 is fixedly connected to a drive box 17, the outer wall of the drive box 17 is annular and fixedly connected to a fan blade 11, an infrared detection probe 18 is fixedly connected to the side wall of the box body 2, and a detection box 19 is fixedly connected to the top of the detection vehicle 1.

[0024] In the first embodiment, the gear ring 5 on the side of the driving gear 4 is driven to rotate by the rotation of the motor 3. When the gear ring 5 rotates, the internal thread 6 can be meshed with the external thread of the moving ring 7, and the moving ring 7 can be moved under the limit of the first threaded rod 9, thereby driving the internal drive box 17 to move close to the position detected by the infrared detection probe 18, and the gas is extracted into the detection box 19 for analysis, and the gas concentration in the area is detected, so as to determine whether there is a gas leak in the area, which can avoid detecting the heating pipeline and prevent the detection personnel from making a wrong judgment. At the same time, due to the large number of underground pipelines in the city, when the gas leaks, there will be a certain temperature difference in the surrounding temperature. However, if the heating pipeline is also nearby, the temperature difference will be reduced, and the detection of the area will still need to be continued, which will reduce the detection efficiency. The detection accuracy can be improved by the coordinated detection of gas and infrared, and the pre-buried gas pipeline in the ground can be avoided from being dug up due to analysis errors, which can reduce the number of excavations and reduce maintenance costs.

[0025] The fixed bar 8 is hollow, and both ends of the fixed bar 8 are slidably connected with the first threaded rod 9 in a through-shaped manner, one end of the first threaded rod 9 is threadedly connected with the first bevel gear 12 in a through-shaped manner, one side of the first bevel gear 12 is meshedly connected with the second bevel gear 13, and the center position of one side of the second bevel gear 13 is fixedly connected with the second threaded rod 14, one end of the second threaded rod 14 is threadedly connected with a moving sleeve 15 in a through-shaped manner, and one end of the moving sleeve 15 is slidably connected with a telescopic rod 16 in a through-shaped manner, one end of the telescopic rod 16 is slidably connected to the inner wall of the moving ring 7, and the number of telescopic rods 16 is four, and the side wall of the box body 2 is fixedly connected with an infrared detection probe 18, one end of the first threaded rod 9 is fixedly connected to the inner wall of the box body 2, and the number of the first threaded rods 9 is two, and both ends of the moving sleeve 15 are slidably connected to the side walls of the fixed bar 8 in a through-shaped manner, and the number of the moving sleeves 15 is two.

[0026] In the second embodiment, when the movable ring 7 is moved and stored, the fixing bar 8 will pass through the first threaded rod 9, and the first threaded rod 9 will rotate with the first bevel gear 12. When the first bevel gear 12 rotates, it can drive the second threaded rod 14 on the second bevel gear 13 to rotate, thereby driving the movable sleeve 15 to move. When the movable sleeve 15 moves, it can drive the telescopic rod 16 to move. When the two move, they can clean the filter at the bottom of the movable ring 7, clean the impurities from the filter to reduce residues. On the one hand, it can protect the fan blades 11 from being damaged by impurities, and on the other hand, it can ensure the purity of the drawn gas and the accuracy of the detection data.

[0027] The working principle and use process of the utility model are as follows: when detection is required, the driving gear 4 is driven to rotate by the motor 3, and then the gear ring 5 is driven to rotate. When the gear ring 5 rotates, it can drive its own internal thread 6 to cooperate with the external thread of the moving ring 7. After cooperation, the moving ring 7 can be moved under the limit of the first threaded rod 9. When moving, it can drive the driving box 17 to move close to the ground, and then start the driving box 17 to drive the fan blades 11 to move to extract the gas in the detection area into the detection box 19 for analysis. When the moving ring 7 moves, the first threaded rod 9 and the first bevel gear 12 are meshed to form a rotation. When the first bevel gear 12 rotates, it can drive the second threaded rod 14 on the second bevel gear 13 to rotate. When the second threaded rod 14 rotates, it can drive the moving sleeve 15 to move. When moving, the telescopic rod 16 and the edge of the moving ring 7 are fitted and slid, so the length can be increased during the movement to cooperate with the diameter range of the moving ring 7, thereby rubbing and cleaning the filter screen at the bottom of the moving ring 7.

[0028] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate 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 claims and their equivalents.

Claims

1. A vehicle-mounted gas leak detection device, comprising a detection vehicle (1), wherein a box (2) is fixedly connected to the bottom of the detection vehicle (1), characterized in that: A motor (3) is fixedly connected to the interior of the housing (2); one end of the motor (3) is fixedly connected to a driving gear (4); a side of the driving gear (4) is meshingly connected to a gear ring (5); an inner wall of the gear ring (5) is provided with an internal thread (6); one end of the gear ring (5) is threadedly connected to a moving ring (7) in a through-shaped manner; a fixing bar (8) is fixedly connected to the inner wall of the moving ring (7); one side of the fixing bar (8) is rotatably connected to a support shaft (10); one end of the support shaft (10) is fixedly connected to a driving box (17); and a fan blade (11) is fixedly connected to the outer wall of the driving box (17) in a ring shape; The fixing bar (8) is hollow, and both ends of the fixing bar (8) are slidably connected to the first threaded rod (9) in a through-shaped manner, one end of the first threaded rod (9) is threadedly connected to the first bevel gear (12) in a through-shaped manner, one side of the first bevel gear (12) is meshingly connected to the second bevel gear (13), one side of the second bevel gear (13) is fixedly connected to the second threaded rod (14) at the center position, one end of the second threaded rod (14) is threadedly connected to the moving sleeve (15) in a through-shaped manner, and one end of the moving sleeve (15) is slidably connected to the telescopic rod (16) in a through-shaped manner.

2. A vehicle-mounted gas leak detection device according to claim 1, characterized in that: One end of the telescopic rod (16) is slidably connected to the inner wall of the moving ring (7), and the number of the telescopic rods (16) is four.

3. The vehicle-mounted gas leak detection device according to claim 1, characterized in that: An infrared detection probe (18) is fixedly connected to the side wall of the box body (2).

4. The vehicle-mounted gas leak detection device according to claim 1, characterized in that: One end of the first threaded rod (9) is fixedly connected to the inner wall of the box body (2), and the number of the first threaded rods (9) is two.

5. The vehicle-mounted gas leak detection device according to claim 1, characterized in that: Both ends of the movable sleeve (15) are slidably connected to the side wall of the fixed strip (8) in a penetrating manner, and the number of the movable sleeves (15) is two.

6. The vehicle-mounted gas leak detection device according to claim 1, characterized in that: A detection box (19) is fixedly connected to the top of the detection vehicle (1).

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