Subway tunnel disease detection device

Abstract

The utility model discloses a subway tunnel disease detection device, and belongs to the technical field of detection equipment. A subway tunnel disease detection device comprises a bottom plate; the detector is fixedly mounted on the bottom plate; the driving wheel is rotationally mounted on the bottom plate; the connecting plate is fixedly connected with the bottom plate, two extension plates are movably arranged on the connecting plate, and the two extension plates are oppositely arranged; the push plate is fixedly arranged at one end, away from the connecting plate, of the extension plate; the first sleeve rod is fixedly arranged on the push plate; the second sleeve rod is movably arranged on the first sleeve rod in a sleeving manner, and a wheel seat is fixedly mounted on the second sleeve rod; the calibration wheel is rotationally arranged on the wheel seat; the second sleeve rod is sleeved with the spring, one end of the spring is fixedly connected with the push plate, and the other end of the spring is fixedly connected with the wheel seat. The subway tunnel disease detection device has the beneficial effect that the subway tunnel disease detection device which is more stable in operation is provided.

Description

Technical Field

[0001] The present application relates to the technical field of detection equipment, and in particular to a subway tunnel disease detection device. Background Art

[0002] Detecting defects in subway tunnels is crucial for ensuring safe subway operations. Over the long term, subway tunnels may develop various defects, such as cracks, water seepage, and deformation, due to a variety of factors, including geological conditions, construction quality, and environmental factors. Promptly detecting and addressing these defects can prevent accidents and extend the tunnel's service life. Traditional inspection methods typically involve personnel entering the tunnel for a visual inspection, but manual inspections are insufficient for large-scale inspections. Consequently, automated inspection equipment has emerged, using cameras and sensors to perform detailed tunnel inspections.

[0003] The detection equipment needs to operate in the subway tunnel, but the road conditions inside the tunnel are complex. Placing the equipment on the railway track can make the equipment run more stably, but the equipment may derail when running on the track, causing unstable operation.

[0004] In view of this, an object of the present invention is to provide a subway tunnel defect detection device with more stable operation. Utility Model Content

[0005] The content of this application is used to briefly introduce concepts that will be described in detail in the detailed description section below. The content of this application is not intended to identify key features or essential features of the technical solution for which protection is sought, nor is it intended to limit the scope of the technical solution for which protection is sought.

[0006] To solve the technical problems mentioned in the above background technology section, some embodiments of the present application provide a subway tunnel defect detection device, including:

[0007] base plate;

[0008] The detector is fixedly mounted on the base plate;

[0009] A driving wheel is rotatably mounted on the base plate;

[0010] The connecting plate is fixedly connected to the bottom plate, and two extension plates are movably provided on the connecting plate, and the two extension plates are arranged opposite to each other;

[0011] A push plate is fixedly arranged on the end of the extension plate away from the connecting plate;

[0012] A first set of rods is fixedly mounted on the push plate;

[0013] The second set of rods is movably mounted on the first set of rods, and the wheel seat is fixedly mounted on the second set of rods;

[0014] A calibration wheel, rotatably mounted on a wheel seat;

[0015] The spring is sleeved outside the second sleeve rod, one end of the spring is fixedly connected to the push plate, and the other end is fixedly connected to the wheel seat.

[0016] During operation, the extension plate can extend out of the connecting plate after moving, thereby pushing the calibration wheel closer to the track. When the calibration wheel contacts the track, continue to move the extension plate, the calibration wheel can come into contact with the track, and the wheel seat is squeezed and can move together with the second set of rods toward the push plate. After the second set of rods moves, the spring is squeezed and deformed. At this time, the position of the extension plate is fixed, and the spring can give the wheel seat a thrust, so that the calibration wheel is close to the side wall of the track, preventing the driving wheel from separating from the track, and making driving more stable.

[0017] Furthermore, the surface portion of the second rod is concave to form a limiting groove extending along the length direction of the second rod, and the surface portion of the first rod is protruding to form a limiting portion corresponding to the limiting groove, and the limiting portion is movably arranged in the limiting groove.

[0018] Furthermore, a limit rod is fixedly provided on the push plate, the limit rod extends along the length direction of the first set of rods and penetrates through the wheel seat, the wheel seat can move relative to the limit rod, and a limit plate is fixedly provided at one end of the limit rod away from the push plate.

[0019] Furthermore, the connecting plate is fixedly connected to the bottom surface of the base plate through the fixing plate, and two opposite side wall portions of the connecting plate are concave to form a movable groove, and the extension plate is movably arranged in the movable groove;

[0020] A driving component is provided on the connecting plate, and the driving component is movably connected to the extension plate to drive the two extension plates to move relative to each other.

[0021] Furthermore, the drive assembly includes:

[0022] Move blocks;

[0023] A driving member for driving the moving block to move in a vertical direction;

[0024] A first hinged seat is fixedly arranged on the moving block;

[0025] A second hinge seat, a surface portion of the connecting plate extends through the movable groove to form a driving groove, the second hinge seat being movably disposed in the driving groove and fixedly connected to the extension plate;

[0026] The hinge rod has one end hinged to the first hinge seat and the other end hinged to the second hinge seat.

[0027] Furthermore, the driving member is a screw rod, the screw rod is rotatably arranged on the connecting plate, and the moving block is threadably connected to the screw rod;

[0028] A sliding rod is fixedly arranged on the connecting plate, a sliding block is slidably arranged on the sliding rod, and the sliding block is fixedly connected with the moving block.

[0029] Furthermore, the driving wheels include two front wheels and two rear wheels, the two front wheels are fixedly connected via a first rotating shaft, and the two rear wheels are fixedly connected via a second rotating shaft;

[0030] An axle seat is fixedly arranged on the bottom surface of the bottom plate, and the first rotating shaft and the second rotating shaft are rotatably arranged on the axle seat.

[0031] Furthermore, an acceleration gear is fixedly provided on the first rotating shaft, a driving gear is provided on one side of the acceleration gear, and the driving gear is meshed and connected with the acceleration gear;

[0032] The driving motor is fixedly installed on the bottom plate, and the output shaft of the driving motor is fixedly connected to the driving gear.

[0033] Furthermore, a protective cover is fixedly mounted on the bottom plate, and the acceleration gear and the driving gear are arranged in the protective cover.

[0034] Furthermore, the protective cover includes a first cover shell and a second cover shell, the first cover shell and the second cover shell are both fixedly mounted on the base plate, and the first cover shell and the second cover shell are fixedly connected by bolts;

[0035] A first through slot is formed on the first cover shell, a second through slot is formed on the second cover shell, and the first rotating shaft is movably arranged in the first through slot and the second through slot.

[0036] The beneficial effects of this application are:

[0037] 1. During the operation of the device, the calibration wheel can always contact the side wall of the track. Adjust the device body to the center position so that the driving wheel can run stably on the track to prevent derailment.

[0038] 2. The arrangement of the limiting rod and the limiting plate can prevent the first set of rods from being separated from the second set of rods.

[0039] 3. The setting of the protective cover can protect the acceleration gear and the driving gear, preventing dust from adhering to the driving gear and the acceleration gear and affecting the transmission effect of the gear. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] The drawings constituting a part of this application are used to provide a further understanding of this application and make other features, purposes and advantages of this application more apparent. The drawings and descriptions of the exemplary embodiments of this application are used to explain this application and do not constitute an improper limitation on this application.

[0041] In addition, throughout the drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic and that the elements and components are not necessarily drawn to scale.

[0042] In the attached figure:

[0043] Figure 1 This is a schematic diagram of the use state of an embodiment of the present application;

[0044] Figure 2 It is a schematic diagram of the overall structure of an embodiment of the present application;

[0045] Figure 3 This is a partial structural diagram of an embodiment of the present application, mainly showing the connection structure between the connecting plate, the extension plate, and the calibration wheel;

[0046] Figure 4 It is a partial structural diagram of an embodiment of the present application, mainly showing the structure of the drive assembly;

[0047] Figure 5 It is a partial structural diagram of an embodiment of the present application, mainly showing the limiting groove and the limiting portion;

[0048] Figure 6 It is a partial structural cross-sectional view of an embodiment of the present application, mainly showing an acceleration gear and a driving gear;

[0049] Figure 7 It is an exploded view of the installation of part of the structure of an embodiment of the present application, mainly showing the positions of the first through-groove and the second through-groove.

[0050] Reference numerals:

[0051] 1. Bottom plate; 101. Drive wheel; 102. Front wheel; 103. Rear wheel; 104. First rotating shaft; 105. Second rotating shaft; 106. Axle seat; 107. Acceleration gear; 108. Drive gear; 109. Protective cover; 110. Drive motor; 111. First cover; 112. Second cover; 113. First through-slot; 114. Second through-slot

[0052] 2. Detector;

[0053] 3. Connecting plate; 301. Fixed plate; 302. Moving slot; 303. Extension plate; 304. Push plate; 305. First set of rods; 306. Second set of rods; 307. Wheel seat; 308. Calibration wheel; 309. Spring; 310. Driving assembly; 311. Moving block; 312. Driving member; 313. First hinge seat; 314. Second hinge seat; 315. Articulated rod; 316. Lead screw; 317. Sliding rod; 318. Sliding block; 319. Stabilizing motor; 320. Driving slot; 321. Limiting slot; 322. Limiting portion; 323. Limiting rod; 324. Limiting plate;

[0054] 4. Track. DETAILED DESCRIPTION

[0055] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments described herein. On the contrary, these embodiments are provided to provide a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are for illustrative purposes only and are not intended to limit the scope of protection of the present disclosure.

[0056] It should also be noted that, for ease of description, only the parts related to the invention are shown in the drawings. In the absence of conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

[0057] It should be noted that the concepts of "first" and "second" mentioned in this disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0058] It should be noted that the modifications of "one" and "multiple" mentioned in the present disclosure are illustrative rather than restrictive, and those skilled in the art should understand that unless otherwise clearly indicated in the context, they should be understood as "one or more".

[0059] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0060] A subway tunnel defect detection device includes a base plate 1 and a detector 2 fixedly mounted on the top surface of the base plate 1. The detector 2 is equipped with a camera and a sensor, which can perform detailed inspections of defects in the tunnel. A drive wheel 101 is rotatably mounted on the bottom surface of the base plate 1. The drive wheel 101 can roll on the subway track, thereby driving the detector 2 to move and detect defects in the tunnel.

[0061] Specifically, four driving wheels 101 are provided, including two front wheels 102 and two rear wheels 103. The two front wheels 102 are fixedly connected by a first rotating shaft 104, and the two rear wheels 103 are fixedly connected by a second rotating shaft 105. Four axle seats 106 are fixedly installed on the bottom surface of the base plate 1. The four axle seats 106 are arranged opposite each other in pairs. The first rotating shaft 104 is rotatably provided on the two front axle seats 106, and the second rotating shaft 105 is rotatably provided on the two rear axle seats 106. Structures for reducing friction are provided between the axle seats 106 and the first rotating shaft 104, and between the axle seats 106 and the second rotating shaft 105.

[0062] An acceleration gear 107 is fixedly provided in the middle portion of the first rotating shaft 104, and the acceleration gear 107 is coaxially arranged with the first rotating shaft 104. A driving gear 108 is provided on one side of the acceleration gear 107, and the driving gear 108 is meshed and connected with the acceleration gear 107. A protective cover 109 is provided outside the driving gear 108 and the acceleration gear 107, and the protective cover 109 is fixedly mounted on the bottom surface of the base plate 1. A driving motor 110 is fixedly mounted on the inner wall of the protective cover 109, and the output shaft of the driving motor 110 is fixedly connected to the driving gear 108 and is coaxially arranged;

[0063] More specifically, the protective cover 109 includes a first cover shell 111 and a second cover shell 112, and the first cover shell 111 and the second cover shell 112 are both fixedly mounted on the base plate 1 by bolts. The first cover shell 111 and the second cover shell 112 are arranged opposite to each other and are detachably fixedly connected by bolts; a first through groove 113 is formed on the first cover shell 111, and a second through groove 114 is formed on the second cover shell 112. The first rotating shaft 104 can be inserted through the protective cover 109 and movably arranged in the first through groove 113 and the second through groove 114. The protective cover 109 can prevent dust from adhering to the driving gear 108 and the acceleration gear 107 and affecting the meshing and transmission of the gears.

[0064] The combined action of the drive motor 110, the drive gear 108, and the acceleration gear 107 enables the device to automatically travel on the subway track. Due to the narrow width of the track, the drive wheel 101 is prone to derailment when rolling on the track, causing operational failure of the device. Therefore, the subway tunnel defect detection device also includes a structure that can prevent the drive wheel 101 from derailing, making the device's operation more stable.

[0065] The cam 308 is fixed on the cam 309, and the cam 309 is fixed on the cam 309.

[0066] The connecting plate 3 is provided with a driving assembly 310, which is movably connected to the extension plate 303 to drive the two extension plates 303 to move relative to each other; specifically, the driving assembly 310 includes a moving block 311, a driving member 312, a first hinge seat 313, a second hinge seat 314, and a hinge rod 315; the driving member 312 can drive the moving block 311 to move in the vertical direction, the driving member 312 is a screw rod 316, the screw rod 316 is rotatably set in the middle of the connecting plate 3, the moving block 311 is sleeved on the screw rod 316 and is threadedly connected to the screw rod 316, a sliding rod 317 is fixed on the connecting plate 3, a slider 318 is slidably set on the sliding rod 317, and the slider 318 is connected to the moving block 311 The first hinge 313 is fixedly provided on the movable block 311, and the surface part of the connecting plate 313 passes through the movable groove 302 to form two oppositely arranged driving grooves 320. The second hinge 314 is movably provided in the driving groove 320 and is fixedly connected to the extension plate 303. One end of the hinge rod 315 is hinged to the first hinge seat 313, and the other end is hinged to the second hinge seat 314.

[0067] When the stabilizing motor 319 drives the screw rod 316 to rotate, the moving block 311 moves along the height direction of the screw rod 316. After the moving block 311 moves, the hinge rod 315 can push the extension plate 303 to move, thereby realizing the relative movement of the two oppositely arranged extension plates 303.

[0068] By driving the extension plate 303 to move relative to each other, the calibration wheel 308 can be pushed closer to the track. When the calibration wheel 308 contacts the side wall of the track, the extension plate 303 continues to be pushed, and the second set of rods 306 can move towards the direction close to the push plate 304 under the pressure of the wheel seat 307. After the second set of rods 306 moves, the spring 309 is squeezed and deformed; when the position of the extension plate 303 is fixed, the spring 309 is always in a contracted state when the device is running. Therefore, during operation, the spring 309 can always press the calibration wheel 308 against the side wall of the track, so that the driving wheel 101 can run smoothly on the track and prevent the driving wheel 101 from derailing.

[0069] Furthermore, in order to make the connection between the wheel seat 307 and the push plate 304 more stable and prevent the wheel seat 307 from rotating, the surface portion of the second set rod 306 is concave to form a limiting groove 321 extending along the length direction of the second set rod 306, and the surface portion of the first set rod 305 is protruding to form a limiting portion 322 corresponding to the limiting groove 321, and the limiting portion 322 is movably arranged in the limiting groove 321.

[0070] Furthermore, in order to prevent the first set of rods 305 from disengaging from the second set of rods 306, a limit rod 323 is fixedly provided on the push rod. The limit rod 323 extends along the length direction of the first set of rods 305 and passes through the wheel seat 307. The wheel seat 307 can move relative to the limit rod 323. A limit plate 324 is fixedly provided at one end of the limit rod 323 away from the push plate 304. When the second set of rods 306 moves in a direction away from the push plate 304, the wheel seat 307 can interfere with the limit plate 324, thereby preventing the second set of rods 306 from moving excessively and disengaging from the first set of rods 305.

[0071] The specific working principle is as follows:

[0072] When the stabilizing motor 319 is started, the stabilizing motor 319 can drive the screw rod 316 to rotate, thereby causing the moving block 311 to move along the height direction of the screw rod 316. After the moving block 311 moves, the hinged rod 315 can push the extension plates 303 on both sides to move relative to each other. During the process of the extension plates 303 extending out of the connecting plate 3, the calibration wheel 308 contacts the side wall of the track. When the extension plate 303 continues to extend out of the connecting plate 3, the calibration wheel 308 can conflict with the track. The second set of rods 306 is squeezed by the wheel seat 307 and moves in the direction close to the push plate 304, thereby squeezing and deforming the spring 309. At this time, the stabilizing motor 319 is turned off, and the drive motor 110 is started to make the device run on the track. During the operation of the device, the spring 309 always pushes the calibration wheel 308 to conflict with the track, so that the calibration wheel 308 is close to the side wall of the track, preventing the driving wheel 101 from derailing from the track, and making the device run more stably.

[0073] The above description is only an illustration of some preferred embodiments of the present disclosure and the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the embodiments of the present disclosure is not limited to the technical solutions formed by the specific combination of the above-mentioned technical features, but should also cover other technical solutions formed by any combination of the above-mentioned technical features or their equivalent features without departing from the above-mentioned inventive concept. For example, the above-mentioned features are replaced with (but not limited to) technical features with similar functions disclosed in the embodiments of the present disclosure.

Claims

1. A subway tunnel defect detection device, comprising: Bottom plate (1); A detector (2) is fixedly mounted on the base plate (1); A driving wheel (101) is rotatably mounted on the base plate (1); Its characteristics are: The subway tunnel disease detection device also includes: A connecting plate (3) is fixedly connected to the bottom plate (1), and two extension plates (303) are movably provided on the connecting plate (3), and the two extension plates (303) are arranged opposite to each other; a push plate (304) fixedly disposed on an end of the extension plate (303) away from the connecting plate (3); A first set of rods (305) is fixedly mounted on the push plate (304); A second set of rods (306) is movably mounted on the first set of rods (305), and a wheel seat (307) is fixedly mounted on the second set of rods (306); a calibration wheel (308) rotatably disposed on the wheel seat (307); A spring (309) is sleeved outside the second sleeve rod (306), one end of the spring (309) is fixedly connected to the push plate (304), and the other end is fixedly connected to the wheel seat (307).

2. The subway tunnel defect detection device according to claim 1, characterized in that: The surface portion of the second sleeve rod (306) is concave to form a limiting groove (321) extending along the length direction of the second sleeve rod (306), and the surface portion of the first sleeve rod (305) is protruding to form a limiting portion (322) corresponding to the limiting groove (321), and the limiting portion (322) is movably arranged in the limiting groove (321).

3. The subway tunnel defect detection device according to claim 2, characterized in that: A limiting rod (323) is fixedly provided on the push plate (304), and the limiting rod (323) extends along the length direction of the first sleeve rod (305) and penetrates through the wheel seat (307). The wheel seat (307) can move relative to the limiting rod (323), and a limiting plate (324) is fixedly provided at one end of the limiting rod (323) away from the push plate (304).

4. The subway tunnel defect detection device according to claim 3, characterized in that: The connecting plate (3) is fixedly connected to the bottom surface of the bottom plate (1) via a fixing plate (301); two opposite sidewall portions of the connecting plate (3) are concave to form a movable groove (302); and the extension plate (303) is movably arranged in the movable groove (302); A driving assembly (310) is provided on the connecting plate (3), and the driving assembly (310) is movably connected to the extension plates (303) to drive the two extension plates (303) to move relative to each other.

5. The subway tunnel defect detection device according to claim 4, characterized in that: The drive assembly (310) comprises: moveBlock(311); A driving member (312) for driving the moving block (311) to move in a vertical direction; A first hinge seat (313) is fixedly arranged on the moving block (311); A second hinge seat (314), wherein a surface portion of the connecting plate (3) penetrates into the movable groove (302) to form a driving groove (320), and the second hinge seat (314) is movably disposed in the driving groove (320) and fixedly connected to the extension plate (303); The hinge rod (315) has one end hinged to the first hinge seat (313) and the other end hinged to the second hinge seat (314).

6. The subway tunnel defect detection device according to claim 5, characterized in that: The driving member (312) is a screw rod (316), the screw rod (316) is rotatably arranged on the connecting plate (3), and the moving block (311) is threadedly connected to the screw rod (316); A sliding rod (317) is fixedly arranged on the connecting plate (3), a sliding block (318) is slidably arranged on the sliding rod (317), and the sliding block (318) is fixedly connected to the moving block (311).

7. The subway tunnel defect detection device according to claim 1, characterized in that: The driving wheel (101) includes two front wheels (102) and two rear wheels (103), the two front wheels (102) are fixedly connected via a first rotating shaft (104), and the two rear wheels (103) are fixedly connected via a second rotating shaft (105); A shaft seat (106) is fixedly provided on the bottom surface of the base plate (1), and the first rotating shaft (104) and the second rotating shaft (105) are rotatably provided on the shaft seat (106).

8. The subway tunnel defect detection device according to claim 7, characterized in that: An acceleration gear (107) is fixedly provided on the first rotating shaft (104), a driving gear (108) is provided on one side of the acceleration gear (107), and the driving gear (108) is meshedly connected with the acceleration gear (107); A driving motor (110) is fixedly mounted on the base plate (1), and an output shaft of the driving motor (110) is fixedly connected to the driving gear (108).

9. The subway tunnel defect detection device according to claim 8, characterized in that: A protective cover (109) is fixedly mounted on the base plate (1), and the acceleration gear (107) and the driving gear (108) are arranged in the protective cover (109).

10. The subway tunnel defect detection device according to claim 9, characterized in that: The protective cover (109) comprises a first cover shell (111) and a second cover shell (112), wherein the first cover shell (111) and the second cover shell (112) are both fixedly mounted on the base plate (1), and the first cover shell (111) and the second cover shell (112) are fixedly connected by bolts; A first through-slot (113) is formed on the first cover shell (111), a second through-slot (114) is formed on the second cover shell (112), and the first rotating shaft (104) is movably disposed in the first through-slot (113) and the second through-slot (114).

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