Urban rail transit inspection device

Abstract

The invention provides an urban rail transit inspection device which structurally comprises moving wheels, a base, an independent battery, a wireless transmission module, a program chip, a support, a laser flaw detection body and auxiliary wheels. The base supplies power to the wireless transmission module, the program chip and the laser flaw detection body through the independent battery; after the lower layer of the base is improved, the position of the clamping plate is determined through the positioning block and the connecting block of the bottom plate, then the position of the cleaning structure is determined through the clamping plate, an air blowing structure of the cleaning structure vertically penetrates through the bottom plate to be electrically connected with an independent battery of the base, and then dust on a rail is swept away through a brush; meanwhile, the blowing structure is used for blowing out dust at the crack position, so that the precision of the laser flaw detection body during secondary flaw detection is ensured, the situation that the damaged depth of the rail cannot be accurately detected in place due to the influence of the dust is prevented, and the use intensity of the inspection device is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of track inspection technology, more particularly to a kind of urban rail transit inspection device. BACKGROUND

[0002] Urban rail transit is a special track oriented operation, service city public passenger transport system, covering subway, light rail, maglev and other ten types, with large capacity, energy saving and environmental protection characteristics, is the backbone of China's large and medium-sized city public transport; Therefore, urban rail transit needs to be monitored by inspection device when put into use to monitor the running state of key facilities such as track, catenary and tunnel, and timely find cracks, wear, deformation and other hidden dangers to prevent derailment, power failure and other major accidents and ensure passenger and operation safety. Therefore, the intervention of the inspection device can reduce the labor input of manual inspection, and thus improve the accuracy of inspection through data collection. As the inventor of the present application found, the existing inspection device mainly has the following defects: the current inspection device usually uses laser rays to periodically detect the surface of the track, but the laser detection only has high precision effect before the track is opened. After the track is put into use, a large amount of dust will accumulate on the surface of the track, which will cover the track cracks or deformation position, so that the detection will be inaccurate when the laser detection is used again, and the depth of track damage cannot be accurately judged, thus reducing the detection strength of the current inspection device and the accuracy of judging the degree of track damage. SUMMARY

[0003] The technical solution adopted by the present application to achieve the technical purpose is: a kind of urban rail transit inspection device, its structure includes: mobile wheel, base, independent battery, wireless transmission module, program chip, support, laser detection body, auxiliary wheel, the mobile wheel is installed at the lower end of the base and drives the auxiliary wheel to rotate, the base supplies power to the wireless transmission module, program chip and laser detection body through the independent battery, and the position of the laser detection body is determined by the support on the upper end of the base.

[0004] As a further improvement of the present application, the lower layer of the base is provided with an electric motor, the left and right ends of the electric motor are communicated with the through slot and are arranged on the surface of the bottom plate, the corner position of the bottom plate is also provided with a positioning block, and the connecting block is carried on the center position of the bottom plate, the position of the clamping plate is determined by the connecting block, and the clamping plate is provided with a cleaning structure.

[0005] As a further improvement of the present application, the cleaning structure is also provided with a protruding block, the protruding block is welded with a balance plate to determine the position of the solid block, the upper layer edge of the solid block is provided with a locking block to lock the lower end brush, and the blow structure is also carried on the opposite space position of the locking block.

[0006] As a further improvement of the application, the movable wheel is rotated by the electric motor at the lower end of the base, and then the connecting block at the center edge of the bottom plate determines the position of the cleaning structure through the clamping plate, so that the cleaning structure is parallel to the independent battery and is electrically connected, and then the wire spool is electrically connected to the program chip, and the brush position is determined by the locking block of the solid block, and the blowing structure in the opposite direction is started by the program chip and communicates with the rail.

[0007] As a further improvement of the application, the movable wheel is rotated by the electric motor at the lower end of the base, and then the connecting block at the center edge of the bottom plate determines the position of the cleaning structure through the clamping plate, so that the cleaning structure is parallel to the independent battery and is electrically connected, and then the wire spool is electrically connected to the program chip, and the brush position is determined by the locking block of the solid block, and the blowing structure in the opposite direction is started by the program chip and communicates with the rail.

[0008] As a further improvement of the application, the movable wheel is rotated by the electric motor at the lower end of the base, and then the connecting block at the center edge of the bottom plate determines the position of the cleaning structure through the clamping plate, so that the cleaning structure is parallel to the independent battery and is electrically connected, and then the wire spool is electrically connected to the program chip, and the brush position is determined by the locking block of the solid block, and the blowing structure in the opposite direction is started by the program chip and communicates with the rail.

[0009] As a further improvement of the application, the movable wheel is rotated by the electric motor at the lower end of the base, and then the connecting block at the center edge of the bottom plate determines the position of the cleaning structure through the clamping plate, so that the cleaning structure is parallel to the independent battery and is electrically connected, and then the wire spool is electrically connected to the program chip, and the brush position is determined by the locking block of the solid block, and the blowing structure in the opposite direction is started by the program chip and communicates with the rail.

[0010] As a further improvement of the application, the movable wheel is rotated by the electric motor at the lower end of the base, and then the connecting block at the center edge of the bottom plate determines the position of the cleaning structure through the clamping plate, so that the cleaning structure is parallel to the independent battery and is electrically connected, and then the wire spool is electrically connected to the program chip, and the brush position is determined by the locking block of the solid block, and the blowing structure in the opposite direction is started by the program chip and communicates with the rail.

[0011] As a further improvement of the application, the movable wheel is rotated by the electric motor at the lower end of the base, and then the connecting block at the center edge of the bottom plate determines the position of the cleaning structure through the clamping plate, so that the cleaning structure is parallel to the independent battery and is electrically connected, and then the wire spool is electrically connected to the program chip, and the brush position is determined by the locking block of the solid block, and the blowing structure in the opposite direction is started by the program chip and communicates with the rail.

[0012] As a further improvement of the application, the movable wheel is rotated by the electric motor at the lower end of the base, and then the connecting block at the center edge of the bottom plate determines the position of the cleaning structure through the clamping plate, so that the cleaning structure is parallel to the independent battery and is electrically connected, and then the wire spool is electrically connected to the program chip, and the brush position is determined by the locking block of the solid block, and the blowing structure in the opposite direction is started by the program chip and communicates with the rail.

[0013] As a further improvement of the application, the movable wheel is rotated by the electric motor at the lower end of the base, and then the connecting block at the center edge of the bottom plate determines the position of the cleaning structure through the clamping plate, so that the cleaning structure is parallel to the independent battery and is electrically connected, and then the wire spool is electrically connected to the program chip, and the brush position is determined by the locking block of the solid block, and the blowing structure in the opposite direction is started by the program chip and communicates with the rail.

[0014] As a further improvement of the present application, the support is provided with a limiting ring, the limiting ring is arranged in parallel with the upper end center of the support body, and the edge of the support body is provided with an overlapping block, the lower end of the overlapping block is welded with a plug, and the upper end of the restraining block is penetrated.

[0015] As a further improvement of the present application, the limiting ring limits the bottom of the laser flaw detection body, the support body is trapezoidal in shape, and the overlapping blocks at the edges are arranged in a symmetrical orientation, the overlapping blocks and the lower end plugs form a "T" shape, and are provided with three groups of vertical restraining blocks.

[0016] As a further improvement of the present application, the limiting ring is also provided with a clamping groove, the clamping groove is opened in the inner position of the clamping ring, the lower end of the clamping ring is also provided with a support column, and the support column is inserted into the inner part of the adsorption groove and overlaps the center of the adsorption disc.

[0017] As a further improvement of the present application, the clamping groove and the clamping ring are circular in shape and match the shape of the laser flaw detection body, the support column is arranged in a vertical orientation and penetrates the center of the support body, and the adsorption disc is fixed to the surface of the base and connected to the support column through the adsorption groove.

[0018] Compared with the prior art, the present application has the following beneficial effects: 1. After the improvement of the base lower layer, the position of the clamping plate is determined by the positioning block and the connecting block of the bottom plate, then the position of the cleaning structure is determined by the clamping plate, so that the blowing structure of the cleaning structure is vertically connected to the independent battery of the bottom plate and the base, then the dust on the rail is swept away by the brush, and the dust at the crack position is blown out by the blowing structure, ensuring the accuracy of the laser flaw detection body during secondary detection, preventing the damaged depth of the rail from being accurately detected due to the influence of dust, and improving the use intensity of the inspection device.

[0019] 2. After the improvement of the blowing structure, the vertical penetration of the energizing block is electrically connected to the independent battery, so that the air cylinder structure inside the insulating frame can be controlled by the program chip, then the dust in the rail crack is blown out through the air outlet pipe at the side of the air pipe, and the blown dust will enter the collection groove of the collection box, achieving the effect of convenient dust collection, avoiding the difficulty of collecting dust when the dust is blown out and directly scattered near the rail.

[0020] 3. The present application is improved by the support, the position of the laser flaw detection body is determined through the limiting ring on the trapezoidal support body, the vertical fixing effect is achieved, and then the support body uses the edge overlapping block, the plug-in block and the vertical penetration of the pulling block to achieve the convenient disassembly effect, then the clamping ring of the limiting ring penetrates the support body center and the adsorption disc on the base through the lower solid support column to achieve the adsorption connection and achieve the support effect, which avoids the concave deformation caused by the hollow center of the trapezoidal support body and the continuous influence of the weight of the laser flaw detection body, and indirectly improves the stability of the laser flaw detection body for rail flaw detection. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It belongs to a structure diagram of a city rail transit inspection device.

[0022] Figure 2 It belongs to a structure diagram of the base lower end improved from the top view.

[0023] Figure 3 It belongs to a structure diagram of the cleaning structure improved from the perspective.

[0024] Figure 4 It belongs to a structure diagram of the blowing structure improved from the perspective.

[0025] Figure 5 It belongs to a structure diagram of the collection box improved from the perspective.

[0026] Figure 6 It belongs to a structure diagram of the support improved from the perspective.

[0027] Figure 7 It belongs to a structure diagram of the limiting ring improved from the perspective.

[0028] In the figure: moving wheel-1, base-2, independent battery-3, wireless transmission module-4, program chip-5, support-6, laser flaw detection body-7, auxiliary wheel-8; Electric motor-21, through slot-22, bottom plate-23, positioning block-24, connecting block-25, clamping plate-26, cleaning structure-27; Lug-271, balance plate-272, solid block-273, locking block-274, brush-275, blowing structure-276; Electrified block-2761, insulating frame-2762, air pipe-2763, air outlet pipe-2764, roller-2765, collection box-2766; Sliding block-7661, box body-7662, collection groove-7663, pulling block-7664; Limiting ring-61, support body-62, overlapping block-63, plug-in block-64, pulling block-65; Clamping groove-611, clamping ring-612, support column-613, adsorption groove-614, adsorption disc-615. DETAILED DESCRIPTION

[0029] The application is further described below in conjunction with the accompanying drawings: Example 1: Figures 1 to 5 As shown: The application provides a kind of urban rail transit inspection device, Its structure includes, mobile wheel 1, base 2, independent battery 3, wireless transmission module 4, program chip 5, support 6, laser flaw detection body 7, auxiliary wheel 8, mobile wheel 1 is installed in the lower end of base 2 and drives auxiliary wheel 8 to rotate, base 2 is powered to wireless transmission module 4, program chip 5, laser flaw detection body 7 by independent battery 3, the position of laser flaw detection body 7 is determined on the upper end of base 2 by support 6.

[0030] Wherein, the lower layer position of base 2 is provided with electric motor 21, the left and right ends of electric motor 21 are communicated with through slot 22 and are arranged on the surface position of bottom plate 23, positioning block 24 is further arranged at the corner position of bottom plate 23, connecting block 25 is carried on the center position of bottom plate 23, the position of clamping plate 26 is determined by connecting block 25, and clamping plate 26 is carried with cleaning structure 27.

[0031] Wherein, the cleaning structure 27 is further provided with protruding block 271, the balance plate 272 is welded on the protruding block 271 to determine the position of solid block 273, the locking block 274 is arranged on the upper edge of the solid block 273 to lock the lower end brush 275, and the blowing structure 276 is further carried on the opposite space position of the locking block 274.

[0032] Wherein, the mobile wheel 1 is driven to rotate by the electric motor 21 at the lower end of the base 2, then the connecting block 25 at the center edge of the bottom plate 23 determines the position of the cleaning structure 27 through the clamping plate 26, so that the cleaning structure 27 is parallel to the independent battery 3 and is electrically connected, then the cleaning structure 27 is electrically connected with the program chip 5 through the spool, the position of the brush 275 is determined by the locking block 274 of the solid block 273 of the cleaning structure 27, and the blowing structure 276 at the opposite direction is started by the program chip 5 and communicated with the rail.

[0033] Wherein, the mobile wheel 1 is carried with a rotating shaft at the center position and is divided into parts at the edge of the base 2 with the auxiliary wheel 8, the independent battery 3 of the base 2 is set in vertical direction and is carried with power supply line, the wireless transmission module 4 and the program chip 5 are arranged in parallel direction on the surface of the base 2 and are matched with the support 6 at a distance, the support 6 is trapezoidal shape and the laser flaw detection body 7 at the upper end is further provided with a rotating wheel to adjust the flaw detection angle of itself.

[0034] The electric motor 21 is movably connected with the rotating shaft of the moving wheel 1 through the left and right through-slots 22, the positioning blocks 24 of the bottom plate 23 are provided with two blocks matching the number of the auxiliary wheels 8, the connecting blocks 25 at the center edges of the surface of the bottom plate 24 are symmetrically arranged on the left and right sides of the clamping plate 26, and the cleaning structure 27 is parallel to the independent battery 3 and is electrically connected through the clamping plate 26.

[0035] The convex blocks 271 and the balance plates 272 are symmetrically arranged at the edges of the solid blocks 273, the locking blocks 274 of the solid blocks 273 are provided with three groups of blocks for locking the upper ends of the brushes 275, and the air blowing structure 276 is vertically arranged and vertically penetrates the solid blocks 273.

[0036] The air blowing structure 276 is provided with the electrically conductive blocks 2761 which penetrate the upper ends of the insulating frames 2762 and are electrically connected with the internal cylinder system, the lower end edges of the insulating frames 2762 are provided with the air pipes 2763, the edges of the air pipes 2763 are connected with the air outlet pipes 2764, the lower ends of the air pipes 2763 are also provided with the rollers 2765, and the opposite sides of the air outlet pipes 2764 are also provided with the collection boxes 2766 and the bottoms are also provided with the rollers 2765.

[0037] The electrically conductive blocks 2761 are vertically arranged and are electrically connected with the internal cylinder system of the insulating frames 2762, the upper ends of the air pipes 2763 penetrate the bottom edges of the insulating frames 2762 and are connected with the cylinder system, and the air outlet pipes 2764 are horizontally arranged and are communicated with the collection boxes 2766.

[0038] The collection boxes 2766 are also provided with the sliding blocks 7661, the clamping blocks 7661 are welded to the upper end positions of the box bodies 7662 and the surfaces of the box bodies 7662 are provided with the collection grooves 7663, and the outer edges of the box bodies 7662 are also provided with the pulling blocks 7664 for controlling the sliding blocks 7661.

[0039] The sliding blocks 7661 are rectangular solid blocks and are perpendicular to the upper ends of the box bodies 7662, the box bodies 7662 are also provided with the intercepting plates on the surfaces of the collection grooves 7663, the collection grooves 7663 are communicated with the air outlet pipes 2764, and the pulling blocks 7664 are provided with the pulling grooves in the centers.

[0040] The specific functions and operation processes of the embodiment are as follows: In the application, the urban rail transit inspection device is powered by the independent battery 3 in the base 2 for the wireless transmission module 4, the program chip 5 and the laser flaw detection body 7 on the bracket 6, so that the laser flaw detection body 7 and the electric motor 21 at the lower end of the base 2 can be remotely controlled through the cooperation of the wireless transmission module 4 and the program chip 5, then the moving wheel 1 is driven by the electric motor 21 through the rotating shaft in the edge through slot 22 of the bottom plate 23 to move in the urban rail, in the process, the auxiliary wheel 8 rotates, so that the laser flaw detection body 7 can move by angle adjustment to perform laser flaw detection on the urban rail, then the obtained image data is transmitted to the relevant maintenance terminal position through the wireless transmission module 4, in the process of detection, the positioning block 24 of the bottom plate 23 determines the position of the auxiliary wheel 8, then the connecting block 25 at the surface center determines the position of the clamping plate 26, so that the clamping plate 26 determines the position of the cleaning structure 27, and then the convex block 2761 of the cleaning structure 27 is embedded in the clamping plate 26 to determine the position of the balance plate 272, then the solid block 273 of the balance plate 272 can vertically fix the brush 275 through the three groups of locking blocks 274, so that the brush 275 can sweep the dust on the rail under the displacement of the moving wheel 1, and at the same time, the dust in the rail crack is blown out by the blowing structure 276, so as to improve the accuracy of the retreat and re-detection of the laser flaw detection body 7 when the crack is found, avoid the inaccurate detection of the rail crack covered by dust, improve the use intensity and accuracy of the inspection device, and then the power block 2761 of the blowing structure 276 is embedded in the independent battery 3 through the surface of the clamping plate 26 and the bottom plate 23 to be electrically connected, then it is controlled through the program chip 5, so that the cylinder system in the insulating frame 2762 can be started, then the gas is introduced into the edge transverse air outlet pipe 2764 through the air pipe 2763, therefore, the air outlet pipe 2764 is arranged at the side of the rail through the transverse arrangement, so that the dust in the crack position can be blown out through the strong air outlet, the effect of removing the dust on the rail is achieved, and the bottom roller 2765 can move along the edge of the rail during operation, so that it can rotate with the rotation of the moving wheel 1, the stability of the inspection device during the moving operation is improved, however, when the dust is blown out transversely by the air outlet pipe 2764, the dust is pushed into the collection box 2766 under the influence of the gas, and then the box body 7662 of the collection box 2766 can be embedded in the lower end edge of the insulating frame 2762 through the top sliding block 7661 to be positioned opposite to the air outlet pipe 2764, therefore, the dust entering the collection groove 7663 can be intercepted by the front intercepting plate, and the dust is collected to facilitate the subsequent dust collection convenience, so as to prevent the dust from falling again on the edge of the rail, finally, the box body 7662 can be directly manually pulled out from the lower end edge of the insulating frame 2762 through the external edge pull block 7664, the effect of convenient disassembly and the convenience of removing the dust in the collection groove 7663 are achieved.

[0041] Embodiment 2: Figures 6 to 7 As shown: The application provides a city rail transit inspection device, Its structure includes, the support 6 is equipped with a limiting ring 61, the limiting ring 61 is provided with the upper end center of support body 62 in parallel and the edge position of support body 62 is equipped with overlapping block 63, overlapping block 63 is welded with plug-in block 64 in the lower end and let the upper end of the restraint block 65 is penetrated.

[0042] Wherein, the limiting ring 61 is limited to the bottom of laser flaw detection body 7, support body 62 is trapezoidal shape and the edge of overlapping block 63 is set in symmetrical orientation, overlapping block 63 and lower end plug-in block 64 form "T" shape and are equipped with three groups of vertical restraint block 65.

[0043] Wherein, the limiting ring 61 is also provided with a clamping groove 611, the clamping groove 611 is opened in the inner position of clamping ring 612, the lower end of clamping ring 612 is also provided with support column 613 and is inserted into the inner part of adsorption groove 614 and the center of adsorption disc 615 is mutually overlapped.

[0044] Wherein, the clamping groove 611 and clamping ring 612 are circular shape and are mutually matched with the shape of laser flaw detection body 7, support column 613 is set in vertical orientation and penetrates the center of support body 62, adsorption disc 615 is fixed on the surface of base 2 and is connected by adsorption groove 614 and support column 613.

[0045] The specific function and operation process of the embodiment: In the application, the trapezoidal support body 62 of support 6 can be embedded in the upper layer position of base 2 through the plug-in block 64 of the lower end of left and right overlapping blocks 63, then the vertical embedding of restraint block 65 can achieve that support body 62 is stable in the upper end of base 2, and then the effect of convenient disassembly can be achieved by penetrating, then the lower end of the limiting ring 61 in the upper layer center of support body 62 can vertically position and restrain the lower end of laser flaw detection body 7, then the clamping ring 612 of limiting ring 61 can fix the bottom of laser flaw detection body 7 through clamping groove 611, then the solid support column 613 set in the lower end of clamping ring 612 can be vertically embedded in the adsorption groove 614 of adsorption disc 615 in the upper end of base 2, to achieve stable assembly effect, after support column 613 penetrates the center position of support body 62, the hollow position below support body 62 can be supported and filled, preventing the downward collapse deformation of support body 62 caused by the weight of laser flaw detection body 7, ensuring the vertical positioning of laser flaw detection body 7 and the effect of stable flaw detection, preventing the downward collapse deformation of support 6 from affecting the flaw detection stability of laser flaw detection body 7.

[0046] Any design that uses the technical solutions of the present application or is inspired by the technical solutions of the present application to achieve the above technical effects falls within the protection scope of the present application.

Claims

1. An urban rail transit inspection device, comprising: A moving wheel (1), a base (2), an independent battery (3), a wireless transmission module (4), a program chip (5), a bracket (6), a laser flaw detection body (7), and an auxiliary wheel (8), wherein the moving wheel (1) is mounted on the lower end of the base (2) and drives the auxiliary wheel (8) to rotate, the base (2) supplies power to the wireless transmission module (4), the program chip (5), and the laser flaw detection body (7) through the independent battery (3), and the upper end of the base (2) determines the position of the laser flaw detection body (7) through the bracket (6), and is characterized in that: An electric motor (21) is provided at the lower layer of the base (2), and the left and right ends of the electric motor (21) are connected to the through slot (22) and are provided on the surface of the bottom plate (23). Positioning blocks (24) are also provided at the corners of the bottom plate (23). A connecting block (25) is provided at the center of the bottom plate (23). The position of the splint (26) is determined by the connecting block (25), and the splint (26) is provided with a cleaning structure (27). The cleaning structure (27) is further provided with a protrusion (271), and a balance plate (272) is welded to the protrusion (271) to determine the position of the solid block (273). A locking block (274) is provided on the upper edge of the solid block (273) to lock the lower end brush (275). An air blowing structure (276) is also provided in the space opposite to the locking block (274). The electric motor (21) at the lower end of the base (2) drives the moving wheel (1) to rotate, and then the connecting block (25) at the center edge of the bottom plate (23) determines the position of the cleaning structure (27) through the clamping plate (26), so that the cleaning structure (27) and the independent battery (3) are parallel to each other and electrically connected, and then electrically connected to the program chip (5) through the spool. The cleaning structure (27) uses the locking block (274) of the solid block (273) to determine the position of the brush (275) and the blowing structure (276) in the opposite direction is started through the program chip (5) and communicated with the rail.

2. The urban rail transit inspection device according to claim 1, characterized in that: The movable wheel (1) is provided with a rotating shaft at the center of the circle and is divided with the auxiliary wheel (8) at the edge of the base (2). The independent battery (3) of the base (2) is set in a vertical orientation and is provided with a power supply circuit. The wireless transmission module (4) and the program chip (5) are both arranged in a parallel orientation on the surface of the base (2) and are spaced apart from the bracket (6). The bracket (6) is in a trapezoidal shape and the laser flaw detection body (7) at the upper end is also provided with a rotating wheel for adjusting its own flaw detection angle.

3. The urban rail transit inspection device according to claim 1, characterized in that: The electric motor (21) is movably connected to the rotating shaft of the moving wheel (1) through the left and right through slots (22). The bottom plate (23) is provided with two positioning blocks (24) matching the number of the auxiliary wheels (8). The connecting blocks (25) on the center edge of the surface of the bottom plate (24) are symmetrically arranged on the left and right sides of the clamping plate (26). The cleaning structure (27) is parallel to the independent battery (3) through the clamping plate (26) and is electrically connected thereto.

4. The urban rail transit inspection device according to claim 1, characterized in that: The protrusions (271) and the balance plate (272) are arranged in symmetrical positions on the edge of the solid block (273). The locking blocks (274) of the solid block (273) are provided with three groups for locking the upper end of the brush (275). The blowing structure (276) is arranged in a vertical position and vertically penetrates the solid block (273).

5. The urban rail transit inspection device according to claim 1, characterized in that: The blowing structure (276) is provided with a power block (2761), which passes through the upper end of the insulating frame (2762) and is electrically connected to the internal cylinder system. An air pipe (2763) is provided at the lower edge of the insulating frame (2762), and an air outlet pipe (2764) is connected to the edge of the air pipe (2763). A roller (2765) is also provided at the lower end of the air pipe (2763). A collection box (2766) is also provided in the opposite direction of the air outlet pipe (2764), and the bottom is also equipped with a roller (2765). The power block (2761) is set in a vertical orientation and is electrically connected to the cylinder system inside the insulating frame (2762). The upper end of the air pipe (2763) passes through the bottom edge of the insulating frame (2762) and is connected to the cylinder system. The air outlet pipe (2764) is set in a horizontal orientation and communicates with the collection box (2766).

6. The urban rail transit inspection device according to claim 5, characterized in that: The collection box (2766) is further provided with a slider (7661), the clamping block (7661) is welded to the upper end of the box body (7662), and a collection groove (7663) is opened on the surface of the box body (7662), and a pull block (7664) is also mounted on the outer edge of the box body (7662) to control the slider (7661); The slider (7661) is a solid rectangular parallelepiped and is perpendicular to the upper end of the box (7662). The surface of the collection groove (7663) of the box (7662) is also equipped with an interception plate. The collection groove (7663) is connected to the air outlet pipe (2764). A pull groove is opened in the center of the pull block (7664).

7. The urban rail transit inspection device according to claim 1, characterized in that: The bracket (6) is provided with a limiting ring (61), the limiting ring (61) is arranged parallel to the upper center of the support body (62), and an overlapping block (63) is mounted on the edge of the support body (62), and an insert block (64) is welded to the lower end of the overlapping block (63) and allows the upper end of the restraining block (65) to penetrate; The limiting ring (61) limits the bottom of the laser flaw detection body (7). The support body (62) is trapezoidal in shape and the overlapping blocks (63) at the edge are set in a symmetrical orientation. The overlapping blocks (63) and the lower end plug-in blocks (64) form a "T" shape and are equipped with three sets of vertical restraining blocks (65).

8. The urban rail transit inspection device according to claim 7, characterized in that: The limiting ring (61) is further provided with a clamping groove (611), the clamping groove (611) is opened at an internal position of the clamping ring (612), and a support column (613) is further provided at the lower end of the clamping ring (612) and is inserted into the interior of the adsorption groove (614) and overlaps with the center of the adsorption disk (615); The clamping groove (611) and the clamping ring (612) are both circular in shape and match the shape of the laser flaw detection body (7). The support column (613) is set in a vertical orientation and passes through the center of the support body (62). The adsorption disk (615) is fixed to the surface of the base (2) and is interlaced and adsorbed with the support column (613) through the adsorption groove (614).

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