Movable inspection device in expressway tunnel

Abstract

A movable inspection device in an expressway tunnel comprises a box body, two rails are arranged at the top of the box body, the two rails are arranged in a bilateral symmetry mode with the center line of the box body as the symmetry axis, the box body is in sliding connection with the rails, a driving assembly is arranged on the right side of the box body, a first gear is arranged in the box body, and a second gear is arranged in the box body. The top of the first gear is provided with a first rack, the top of the first rack is connected with the inner wall of the tunnel, the left side of the first gear is provided with a control assembly, the rear side of the control assembly is provided with a connecting rod, the bottom of the connecting rod is in threaded connection with a detachable detection head, and the right side of the control assembly is provided with a pneumatic assembly. The rear side of the pneumatic assembly is provided with an air spraying pipe, the bottom of the air spraying pipe is connected with the connecting rod, and the problems that a manual mode is adopted for highway tunnel inspection, a traditional inspection mode is low in efficiency, a lane is occupied for a long time in the inspection process, and then normal driving of vehicles is interfered are effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel inspection, in particular to a mobile inspection device in a highway tunnel. Background Art

[0002] Highway tunnels refer to tunnels built on highways to cross geographical obstacles such as mountains, rivers, and straits. They are widely used in areas with complex terrain and can provide convenient traffic channels. Tunnel lighting is crucial to driver visibility, and the ventilation system in the tunnel is crucial to removing exhaust gas and maintaining air flow. If any fault is found in the lighting system and ventilation system, it should be repaired or replaced immediately. In order to solve this problem, regular highway tunnel inspections and maintenance are required to ensure the normal operation of the equipment inside the tunnel.

[0003] In the existing technical field, highway tunnel inspections are carried out manually. Since manual inspections are easily affected by human subjective judgment and negligence, inspectors may overlook subtle problems or make incorrect judgments, resulting in missed inspections or incorrect handling of problems. In addition, the interior of highway tunnels is a relatively dangerous environment. Since there are many lanes inside highway tunnels and they are wide, traditional inspection methods are inefficient. Lanes will be occupied for a long time during the inspection process, thereby interfering with the normal driving of vehicles, resulting in certain safety risks for manual inspectors during the inspection process. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the existing technology, the present invention provides a mobile inspection device for highway tunnels. Through this design, the problem of manual inspection of highway tunnels is effectively solved. Since manual inspection is easily affected by human subjective judgment and negligence, problems may be missed or handled incorrectly. In addition, the interior of highway tunnels is a relatively dangerous environment. The traditional inspection method is inefficient and the lane will be occupied for a long time during the inspection process, thereby interfering with the normal driving of vehicles.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: the present invention includes a box body, two tracks are provided on the top of the box body, and the two tracks are symmetrically arranged with the center line of the box body as the axis of symmetry. The box body is slidably connected to the tracks, and a driving assembly is provided on the right side of the box body. A first gear is provided inside the box body, and a first rack is provided on the top of the first gear. The top of the first rack is connected to the inner wall of the tunnel. A control assembly is provided on the left side of the first gear, and a connecting rod is provided on the rear side of the control assembly. The top of the connecting rod is rotatably connected to the box body, and the bottom of the connecting rod is threadedly connected to a detachable detection head. A pneumatic assembly is provided on the right side of the control assembly, and an air jet is provided on the rear side of the pneumatic assembly. The bottom of the air jet is connected to the connecting rod.

[0006] Preferably, the driving assembly includes a motor, the inner side of the motor is fixedly connected to the box body, a second gear is provided on the right side of the motor, the top of the second gear is engaged with a second rack, and the top of the second rack is fixedly connected to the track on the right side.

[0007] Preferably, the control component includes a telescopic rod, which is fixedly connected to the first gear and rotatably connected to the box body. A cylindrical cam is provided on the left side of the telescopic rod, a limit rod is provided on the top of the cylindrical cam, and the bottom of the limit rod is fixedly connected to the box body.

[0008] Preferably, a cross bar is provided on the left side of the cylindrical cam, the rear side of the cross bar is slidably connected to the box body, a guide rod is provided on the rear side of the cross bar, the guide rod is slidably connected to the inside of the connecting rod, and the bottom of the cross bar is connected to the pneumatic component.

[0009] Preferably, the pneumatic component includes a right-angle rod, the top of the right-angle rod is connected to the bottom of the cross bar, a piston is provided on the right side of the right-angle rod, a cylinder is slidably connected to the outer side of the piston, the bottom of the cylinder is fixedly connected to the box body, and the right side of the cylinder is connected to the injection pipe.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] The driving component can drive the box body to move back and forth in the tunnel to conduct inspections in the tunnel. Manual inspections are no longer needed and the normal driving of vehicles will not be disturbed. The control component can make the connecting rod swing back and forth during the movement of the box body, so that the detection head moves in a circle, increasing the monitoring area of ​​the sensor. Through the cooperation of the control component and the pneumatic component, the jet pipe can intermittently spray high-pressure gas, which can blow the bottom of the detection head to blow off the dust attached to the surface and ensure the effectiveness of the inspection. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0013] Figure 2 It is a three-dimensional schematic diagram of the cross section of the box body of the present invention.

[0014] Figure 3 This is a schematic diagram of the matching structure of the first gear and the piston of the utility model.

[0015] Figure 4 This is a schematic diagram of the matching structure of the connecting rod and the detection head of the utility model.

[0016] Figure 5 This is a schematic diagram of the cooperation structure between the box body and the track of the utility model.

[0017] Numbers in the figure: 1. Track; 2. First rack; 4. Box body; 5. First gear; 6. Telescopic rod; 7. Cylindrical cam; 8. Limit rod; 9. Cross bar; 10. Guide rod; 11. Connecting rod; 12. Detection head; 13. Right-angle rod; 14. Cylinder; 15. Piston; 16. Jet tube; 17. Motor; 18. Second gear; 19. Second rack. DETAILED DESCRIPTION

[0018] The following is combined with Figure 1-Figure 5 The specific implementation methods of the present utility model are further described in detail.

[0019] The utility model includes a box body 4, and two tracks 1 are provided on the top of the box body 4. The two tracks 1 are symmetrically arranged with the center line of the box body 4 as the symmetry axis. The box body 4 is slidably connected to the track 1. A driving component is provided on the right side of the box body 4. Under the action of the driving component, the box body 4 can be driven to move back and forth. The length of the track 1 is the same as the tunnel. The track 1 is fixedly installed on the top of the tunnel. A first gear 5 is provided inside the box body 4. A first rack 2 is provided on the top of the first gear 5. The top of the first rack 2 is connected to the inner wall of the tunnel. When the box body 4 moves back and forth, since the first rack 2 is fixed, it will drive the meshing first gear 5 to rotate. A control component is provided on the left side of the first gear 5, and a connecting rod 11 is provided on the rear side of the control component. The first gear 5 can drive the connecting rod 11 through the control component. The connecting rod 11 swings back and forth, the top of the connecting rod 11 is rotatably connected to the box body 4, and the bottom of the connecting rod 11 is threadedly connected to a detachable detection head 12. The detection head 12 can be installed with different sensors according to needs, such as smoke sensors, photoelectric sensors, and ultrasonic sensors. The swing of the connecting rod 11 can increase the monitoring area of ​​the sensor. A pneumatic component is provided on the right side of the control component, and an air jet 16 is provided on the back side of the pneumatic component. The bottom of the air jet 16 is connected to the connecting rod 11. The smoke and dust in the tunnel will be relatively large, and dust will accumulate on the surface of the sensor for a long time, affecting the monitoring effect. The air jet 16 can be made to intermittently eject high-pressure gas through the pneumatic component, so that the bottom of the detection head 12 can be blown off to blow off the dust attached to the surface, thereby ensuring the inspection effect.

[0020] The driving assembly includes a motor 17, the inner side of the motor 17 is fixedly connected to the box body 4, a second gear 18 is provided on the right side of the motor 17, the top of the second gear 18 is engaged with a second rack 19, and the top of the second rack 19 is fixedly connected to the right track 1. The rotation of the motor 17 can drive the fixedly connected second gear 18 to rotate, and the second gear 18 will engage with the second rack 19, thereby driving the motor 17 to move. The motor 17 is fixedly connected to the box body 4, so that the box body 4 can move back and forth under the track 1 and perform inspection work inside the track 1.

[0021] The control assembly includes a telescopic rod 6, which is fixedly connected to the first gear 5, and the telescopic rod 6 is rotatably connected to the box body 4. The rotation of the first gear 5 drives the telescopic rod 6 to rotate. The telescopic portion of the telescopic rod 6 has a ridge, that is, the transmission will not be affected when the telescopic rod 6 is extended or retracted. A cylindrical cam 7 is provided on the left side of the telescopic rod 6, and a limit rod 8 is provided on the top of the cylindrical cam 7. The bottom of the limit rod 8 is fixedly connected to the box body 4. The telescopic rod 6 drives the cylindrical cam 7 to rotate. Since the position of the limit rod 8 is fixed, and the arc-shaped groove of the cylindrical cam 7 is aligned with the The cylindrical protrusion of the limit rod 8 is slidably connected. When the cylindrical cam 7 rotates, the cylindrical cam 7 will move left and right. A cross bar 9 is provided on the left side of the cylindrical cam 7. The rear side of the cross bar 9 is slidably connected to the box body 4. A guide rod 10 is provided on the rear side of the cross bar 9. The movement of the cylindrical cam 7 to the left can drive the guide rod 10 to move to the left. The guide rod 10 is internally slidably connected to the connecting rod 11. The guide rod 10 drives the middle part of the connecting rod 11 to move to the left, so that the connecting rod 11 drives the detection head 12 to swing left and right. The bottom of the cross bar 9 is connected to the pneumatic component.

[0022] The pneumatic component includes a right-angle rod 13, the top of the right-angle rod 13 is connected to the bottom of the cross bar 9, and the cross bar 9 moves to the left, driving the right-angle rod 13 to move to the left. A piston 15 is provided on the right side of the right-angle rod 13, and the outer side of the piston 15 is slidably connected to the cylinder 14. The bottom of the cylinder 14 is fixedly connected to the box body 4, and the right side of the cylinder 14 is connected to the injection pipe 16. The right-angle rod 13 drives the piston 15 to move to the left in the cylinder 14, and the external gas is drawn into the cylinder 14 through the injection pipe 16. As the piston 15 moves to the right, the gas inside the cylinder 14 can be quickly discharged through the injection pipe 16 to blow the bottom of the detection head 12.

[0023] When the utility model is in use, the driving component can drive the box body 4 to move back and forth in the tunnel, and the tunnel can be inspected without manual inspection, which will not interfere with the normal driving of the vehicle. The control component can make the box body 4 move in the process of movement, and the connecting rod 11 can swing back and forth, so that the detection head 12 can move in a circle, thereby increasing the monitoring area of ​​the sensor. Through the cooperation of the control component and the pneumatic component, the jet pipe 16 can intermittently spray high-pressure gas, so that the bottom of the detection head 12 can be blown off to blow off the dust attached to the surface, thereby ensuring the inspection effect.

[0024] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A mobile inspection device in a highway tunnel, comprising a box body (4), characterized in that: Two tracks (1) are provided on the top of the box body (4), and the two tracks (1) are symmetrically arranged with the center line of the box body (4) as the symmetry axis. The box body (4) is slidably connected to the tracks (1). A driving assembly is provided on the right side of the box body (4). A first gear (5) is provided inside the box body (4), and a first rack (2) is provided on the top of the first gear (5). The top of the first rack (2) is connected to the inner wall of the tunnel. A control assembly is provided on the left side of the first gear (5). A connecting rod (11) is provided on the rear side of the control assembly. The top of the connecting rod (11) is rotatably connected to the box body (4). The bottom of the connecting rod (11) is threadedly connected to a detachable detection head (12). A pneumatic assembly is provided on the right side of the control assembly. An air jet (16) is provided on the rear side of the pneumatic assembly. The bottom of the air jet (16) is connected to the connecting rod (11).

2. A mobile inspection device in a highway tunnel according to claim 1, characterized in that: The driving assembly includes a motor (17), the inner side of the motor (17) is fixedly connected to the box body (4), a second gear (18) is provided on the right side of the motor (17), a second rack (19) is engaged with the top of the second gear (18), and the top of the second rack (19) is fixedly connected to the track (1) on the right side.

3. The mobile inspection device in a highway tunnel according to claim 1, characterized in that: The control assembly comprises a telescopic rod (6), the telescopic rod (6) is fixedly connected to the first gear (5), the telescopic rod (6) is rotatably connected to the box body (4), a cylindrical cam (7) is provided on the left side of the telescopic rod (6), a limiting rod (8) is provided on the top of the cylindrical cam (7), and the bottom of the limiting rod (8) is fixedly connected to the box body (4).

4. The mobile inspection device in a highway tunnel according to claim 3, characterized in that: A cross bar (9) is provided on the left side of the cylindrical cam (7), the rear side of the cross bar (9) is slidably connected to the box body (4), the rear side of the cross bar (9) is provided with a guide bar (10), the guide bar (10) is internally slidably connected to the connecting bar (11), and the bottom of the cross bar (9) is connected to the pneumatic component.

5. The mobile inspection device in a highway tunnel according to claim 4, characterized in that: The pneumatic assembly includes a right-angle rod (13), the top of the right-angle rod (13) is connected to the bottom of the cross rod (9), a piston (15) is provided on the right side of the right-angle rod (13), the outer side of the piston (15) is slidably connected to a cylinder (14), the bottom of the cylinder (14) is fixedly connected to the box body (4), and the right side of the cylinder (14) is connected to the air injection pipe (16).

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