A tunnel track-mounted shock-absorbing wheel set and track inspection device

Abstract

The present invention relates to a tunnel track hanging shock-absorbing wheel group and a track inspection device, wherein the tunnel track hanging shock-absorbing wheel group is hung on the track; it comprises a wheel group mounting bracket, an upper and lower shock-absorbing wheel group and a left and right shock-absorbing wheel group, the upper and lower shock-absorbing wheel groups comprise an upper roller, a lower roller and a first shock-absorbing spring, the upper roller is fixedly mounted on the wheel group mounting bracket, the lower roller is elastically connected to the wheel group mounting bracket through the first shock-absorbing spring, the upper roller is rollingly arranged on the upper track surface of the track, and the lower roller is rollingly arranged on the lower track surface of the track; the left and right shock-absorbing wheel groups comprise a left roller, a second shock-absorbing spring and a right roller, the left roller and the right roller are elastically connected to the wheel group mounting bracket through the second shock-absorbing spring, the left roller is rollingly arranged on the left track surface of the track, and the right roller is rollingly arranged on the right track surface of the track. The present invention can effectively and stably clamp the track through the cooperation of the upper and lower shock-absorbing wheel groups and the left and right shock-absorbing wheel groups, and can achieve an all-round shock-absorbing effect up, down, left and right.

Description

Technical Field

[0001] The present invention relates to the technical field related to track inspection, and in particular to a tunnel track-mounted shock-absorbing wheel set and a track inspection device. Background Art

[0002] The existing track-mounted wheel assembly has a complex structure and cannot achieve comprehensive shock absorption in the up, down, left, and right directions. The shock absorption effect is poor, and the clamping effect on the track is unstable. In addition, the existing mounting wheel assembly cannot be used as a module and cannot meet the needs of multiple inspection functions. The existing track inspection device has a complex structure, unreasonable spatial layout, and a large volume. Summary of the invention

[0003] In order to solve one or more technical problems existing in the prior art, the present invention provides a tunnel track hanging shock-absorbing wheel set and a track inspection device.

[0004] The technical solution of the present invention for solving the above technical problems is as follows: a tunnel track hanging shock-absorbing wheel group, which is hung on the track; it includes a wheel group mounting bracket, an upper and lower shock-absorbing wheel group and a left and right shock-absorbing wheel group, the upper and lower shock-absorbing wheel groups include an upper roller, a lower roller and a first shock-absorbing spring, the upper roller is fixedly mounted on the wheel group mounting bracket, the lower roller is elastically connected to the wheel group mounting bracket through the first shock-absorbing spring, the upper roller is rollingly set on the upper track surface of the track, and the lower roller is rollingly set on the lower track surface of the track; the left and right shock-absorbing wheel groups include a left roller, a second shock-absorbing spring and a right roller, the left roller and the right roller are both elastically connected to the wheel group mounting bracket through the second shock-absorbing spring, the left roller is rollingly set on the left track surface of the track, and the right roller is rollingly set on the right track surface of the track.

[0005] The beneficial effects of the present invention are as follows: the tunnel track-mounted shock-absorbing wheel set of the present invention can effectively and stably clamp the track through the cooperation of the upper and lower shock-absorbing wheel sets and the left and right shock-absorbing wheel sets, and can achieve an all-round shock-absorbing effect in the upper, lower, left and right directions.

[0006] Based on the above technical solution, the present invention can also be improved as follows.

[0007] Furthermore, the wheel assembly mounting bracket comprises a first mounting plate and a second mounting plate which are arranged opposite to each other at an interval, and the upper roller, the lower roller, the left roller and the right roller are respectively mounted on the first mounting plate and the second mounting plate.

[0008] The beneficial effect of adopting the above further solution is that by providing the first mounting plate and the second mounting plate, the installation of each roller is facilitated, and the clamping and hanging of the track is also facilitated.

[0009] Furthermore, there are at least two upper rollers, and at least one upper roller is fixed on each of the first mounting plate and the second mounting plate;

[0010] There is at least one lower roller, and a first shock-absorbing spring is provided on the first mounting plate and the second mounting plate. The lower end of the first shock-absorbing spring is fixed to the first mounting plate or the second mounting plate, and guide blocks are provided at both ends of the wheel axle of the lower roller. The two ends of the wheel axle of the lower roller are respectively connected to the corresponding upper ends of the first shock-absorbing spring through the guide blocks.

[0011] The beneficial effect of adopting the above further solution is that the two ends of the lower roller can be connected to the first shock-absorbing springs respectively, and the first shock-absorbing springs can be used to press the lower roller against the lower track surface, which can achieve a stable shock-absorbing effect.

[0012] Furthermore, a vertically arranged first guide column is provided on the first mounting plate, and a vertically arranged second guide column is provided on the second mounting plate. A first shock-absorbing spring is sleeved on each of the first guide column and the second guide column.

[0013] The beneficial effect of adopting the above further solution is that the first guide column and the second guide column can be used to effectively and stably guide and limit the first shock-absorbing spring.

[0014] Furthermore, a U-shaped fork is provided at the free end of the guide block, and the U-shaped fork is sleeved on the first guide column or the second guide column and connected to the upper end of the corresponding first shock-absorbing spring.

[0015] The beneficial effect of adopting the above further solution is that the setting of the U-shaped fork facilitates the upward and downward sliding cooperation between the guide block and the guide column.

[0016] Further, a third guide column is vertically mounted on the axle of the left roller, the third guide column horizontally moves through the wheel assembly mounting bracket, the third guide column is threadedly connected to the axle of the left roller, and a second shock-absorbing spring is sleeved on the third guide column between the wheel assembly mounting bracket and the axle of the left roller;

[0017] A fourth guide column is vertically installed on the axle of the right roller, and the fourth guide column moves horizontally through the wheel set mounting bracket. The fourth guide column is threadedly connected to the axle of the right roller, and a second shock-absorbing spring is sleeved on the fourth guide column between the wheel set mounting bracket and the axle of the right roller.

[0018] The beneficial effect of adopting the above further solution is that the elastic force of the second shock absorbing spring can be adjusted by twisting the third guide post or the fourth guide post.

[0019] Furthermore, the third guide pillars are two parallel and spaced apart, and the two third guide pillars are both sleeved with a second shock-absorbing spring; the fourth guide pillars are two parallel and spaced apart, and the two fourth guide pillars are both sleeved with a second shock-absorbing spring.

[0020] The beneficial effect of adopting the above further solution is: adopting two third guide pillars and two fourth guide pillars can make the supporting effect of the roller better and the shock absorbing force more stable and reliable.

[0021] Furthermore, a hanging plate is detachably connected to the wheel assembly mounting bracket.

[0022] The beneficial effect of adopting the above further solution is that by providing a mounting plate, different functional components can be mounted as needed.

[0023] A track inspection device comprises the above-mentioned tunnel track hanging shock-absorbing wheel group, and also comprises a driving wheel, a driven wheel and a hanging box body, the top of the hanging box body is an open structure that passes through from front to back, and the bottom of the wheel group mounting bracket is rotatably mounted on the bottom wall of the open structure through a first bearing; the driving wheel and the driven wheel are respectively mounted on the bottom wall of the open structure and arranged relatively, and one of the driving wheel and the driven wheel is rollingly set on the left track surface of the track, and the other is rollingly set on the right track surface of the track.

[0024] The beneficial effects of the present invention are as follows: the track inspection device of the present invention runs smoothly after being hung on the track and has a good shock absorption effect.

[0025] Furthermore, a first connecting plate is vertically installed on the axle of the driving wheel, and the first connecting plate is rotatably installed on the bottom wall of the open structure through a second bearing; a second connecting plate is vertically installed on the axle of the driven wheel, and the second connecting plate is rotatably installed on the bottom wall of the open structure through a third bearing.

[0026] The beneficial effect of adopting the above further solution is that by providing a connection structure in which the bearing and the connecting rod cooperate, it is convenient to adjust the clamping degree of the driving wheel and the driven wheel on the track.

[0027] Furthermore, the first connecting plate is located at the front side of the second bearing, and the second connecting plate is located at the rear side of the third bearing; the axle of the driving wheel and the axle of the driven wheel are elastically connected via a tension spring.

[0028] Further, the hanging box includes a first connecting frame, a second connecting frame, a surrounding plate, a partition and a flap, the first connecting frame and the second connecting frame are arranged vertically at intervals, the middle part of the first connecting frame and the middle part of the second connecting frame are connected and fixed by a connecting frame, and the partition is horizontally arranged on the connecting frame; a surrounding plate is arranged between the peripheral side edge of the lower half of the first connecting frame and the peripheral side edge of the lower half of the second connecting frame, and an assembly space that is through-through and open at the top is formed between the upper half of the first connecting frame and the upper half of the second connecting frame; one end of the flap is hinged to the upper end edge of the first connecting frame;

[0029] An obstacle avoidance radar is provided on the front side wall and / or the rear side wall of the enclosure, a laser radar is provided on the rear side wall of the enclosure, an external interface is provided on the front side wall of the enclosure, and a dual-spectrum gimbal is provided at the bottom of the enclosure;

[0030] A gas sensor, a voice sensor and a physical switch are provided at the bottom of the enclosure, and an indicator light is provided on the flip cover;

[0031] The lower half of the second connecting frame is provided with a wireless charging receiving end. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 This is a schematic diagram of the main structure of the tunnel track mounted damping wheel set of the present invention;

[0033] Figure 2 The three-dimensional structure diagram of the tunnel track mounted shock-absorbing wheel set and the track of the present invention Figure 1 ;

[0034] Figure 3 The three-dimensional structure diagram of the tunnel track mounted shock-absorbing wheel set and the track of the present invention Figure 2 ;

[0035] Figure 4 This is a schematic diagram of the top structure of the track inspection device of the present invention;

[0036] Figure 5 The internal structure of the track inspection device of the present invention is shown in FIG. Figure 1 ;

[0037] Figure 6 The internal structure of the track inspection device of the present invention is shown in FIG. Figure 2 ;

[0038] Figure 7 The three-dimensional structure diagram of the track inspection device of the present invention is shown in FIG. Figure 1 ;

[0039] Figure 8 The three-dimensional structure diagram of the track inspection device of the present invention is shown in FIG. Figure 2 ;

[0040] Fig. 9 It is a schematic diagram of the structure of the tunnel track-mounted shock-absorbing wheel set and the fire extinguisher in cooperation with each other according to the present invention.

[0041] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0042] 100, wheel assembly mounting bracket; 101, first mounting plate; 102, second mounting plate;

[0043] 200, upper and lower shock-absorbing wheel set; 201, upper roller; 202, lower roller; 203, first shock-absorbing spring; 204, first guide post; 205, second guide post; 206, guide block; 207, U-shaped fork;

[0044] 300, left and right shock-absorbing wheel sets; 301, left roller; 302, right roller; 303, second shock-absorbing spring; 304, third guide post; 305, fourth guide post; 306, left connecting block; 307, right connecting block;

[0045] 400, track; 401, upper track surface; 402, lower track surface; 403, left track surface; 404, right track surface;

[0046] 500, mounting plate; 501, fire extinguisher;

[0047] 600, driving motor; 601, driven wheel; 602, tension spring; 603, first connecting plate; 604, second connecting plate; 605, second bearing; 606, third bearing; 607, annular wheel body; 608, output shaft; 609, nut; 610, power cord; 611, first connecting ear plate; 612, first connecting rod; 613, second connecting ear plate; 614, second connecting rod;

[0048] 700, enclosure; 701, first bearing; 702, flap; 703, hinge; 704, pull-out plate; 705, obstacle avoidance radar; 706, dual-spectrum gimbal; 707, lock; 708, external interface; 709, laser radar; 710, voice sensor; 711, gas sensor; 712, physical switch; 713, first connecting frame; 714, second connecting frame; 715, partition; 716, cover; 717, wireless charging receiver. DETAILED DESCRIPTION

[0049] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0050] like Figures 1 to 9As shown, a tunnel track-mounted shock-absorbing wheel set of this embodiment is mounted on a track 400; it includes a wheel set mounting bracket 100, an upper and lower shock-absorbing wheel set 200 and a left and right shock-absorbing wheel set 300, the upper and lower shock-absorbing wheel set 200 includes an upper roller 201, a lower roller 202 and a first shock-absorbing spring 203, the upper roller 201 is fixedly mounted on the wheel set mounting bracket 100, the lower roller 202 is elastically connected to the wheel set mounting bracket 100 through the first shock-absorbing spring 203, and the upper roller 201 is rollingly arranged on the track The lower roller 202 is rollingly arranged on the upper track surface 401 of the track 400; the left and right shock-absorbing wheel groups 300 include a left roller 301, a second shock-absorbing spring 303 and a right roller 302, and the left roller 301 and the right roller 302 are elastically connected to the wheel group mounting bracket 100 through the second shock-absorbing spring 303, the left roller 301 is rollingly arranged on the left track surface 403 of the track 400, and the right roller 302 is rollingly arranged on the right track surface 404 of the track 400.

[0051] The tunnel track of this embodiment is mounted with a shock-absorbing wheel set, which can effectively and stably clamp the track through the cooperation of the upper and lower shock-absorbing wheel sets and the left and right shock-absorbing wheel sets, and can achieve an all-round shock-absorbing effect in the upper, lower, left and right directions.

[0052] like Figure 1 As shown, the wheel assembly mounting bracket 100 of this embodiment includes a first mounting plate 101 and a second mounting plate 102 arranged opposite to each other at intervals, and the upper roller 201, the lower roller 202, the left roller 301 and the right roller 302 are respectively mounted on the first mounting plate 101 and the second mounting plate 102. By providing the first mounting plate and the second mounting plate, it is convenient to install each roller and also convenient to clamp and hang the track.

[0053] like Figure 2 to Figure 4 As shown, in this embodiment, there are at least two upper rollers 201, and at least one upper roller 201 is fixed on each of the first mounting plate 101 and the second mounting plate 102; there is at least one lower roller 202, and the first mounting plate 101 and the second mounting plate 102 are both provided with a first damping spring 203, the lower end of the first damping spring 203 is fixed on the first mounting plate 101 or the second mounting plate 102, and both ends of the wheel shaft of the lower roller 202 are provided with guide blocks 206, and the two ends of the wheel shaft of the lower roller 202 are respectively connected to the corresponding upper end of the first damping spring 203 through the guide blocks 206. The two ends of the lower roller can be connected to the first damping springs respectively, and the lower roller can be pressed against the lower track surface by the first damping spring, which can achieve a stable damping effect.

[0054] like Figure 1As shown, in this embodiment, a vertically arranged first guide column 204 is provided on the first mounting plate 101, a vertically arranged second guide column 205 is provided on the second mounting plate 102, and a first damping spring 203 is sleeved on each of the first guide column 204 and the second guide column 205. The first guide column and the second guide column can effectively and stably guide and limit the first damping spring.

[0055] like Figure 1 to Figure 4 As shown, the free end of the guide block 206 of this embodiment is provided with a U-shaped fork 207, and the U-shaped fork 207 is sleeved on the first guide column 204 or the second guide column 205 and connected to the upper end of the corresponding first shock absorbing spring 203. The setting of the U-shaped fork facilitates the upward and downward sliding cooperation between the guide block and the guide column.

[0056] Furthermore, a first mounting hole is provided on the first mounting plate 101, a second mounting hole is provided on the second mounting plate 102, the first guide column 204 is disposed in the first mounting hole, and the second guide column 205 is disposed in the second mounting hole.

[0057] like Figure 1 to Figure 3 As shown, a third guide post 304 is vertically mounted on the axle of the left roller 301 of this embodiment, the third guide post 304 moves horizontally through the wheel assembly mounting bracket 100, the third guide post 304 is threadedly connected to the axle of the left roller 301, and a second shock absorbing spring 303 is sleeved on the third guide post 304 between the wheel assembly mounting bracket 100 and the axle of the left roller 301; a fourth guide post 305 is vertically mounted on the axle of the right roller 302, the fourth guide post 305 moves horizontally through the wheel assembly mounting bracket 100, the fourth guide post 305 is threadedly connected to the axle of the right roller 302, and a second shock absorbing spring 303 is sleeved on the fourth guide post 305 between the wheel assembly mounting bracket 100 and the axle of the right roller 302. The elastic force of the second shock absorbing spring can be adjusted by twisting the third guide post or the fourth guide post.

[0058] like Figure 1 and Figure 3 As shown, the axle of the left roller 301 of this embodiment is provided with a left connecting block 306, and the third guide column 304 can be threadedly connected to the left connecting block 306. The axle of the right roller 302 of this embodiment is provided with a right connecting block 307, and the fourth guide column 305 can be threadedly connected to the right connecting block 307.

[0059] like Figure 1 to Figure 3As shown, the third guide pillars 304 of this embodiment are two parallel and spaced apart, and the two third guide pillars 304 are both sleeved with a second damping spring 303; the fourth guide pillars 305 are two parallel and spaced apart, and the two fourth guide pillars 305 are both sleeved with a second damping spring 303. The use of two third guide pillars and two fourth guide pillars can achieve a better supporting effect on the roller and a more stable and reliable damping force. The two third guide pillars 304 can be threadedly connected to the left connecting block 306, and the two third guide pillars 304 are arranged side by side front and back. The two fourth guide pillars 305 can be threadedly connected to the right connecting block 307, and the two fourth guide pillars 305 are arranged side by side front and back.

[0060] like Fig. 9 As shown, an optional solution of this embodiment is that a mounting plate 500 is detachably connected to the wheel assembly mounting bracket 100. By providing the mounting plate, different functional components, such as a fire extinguisher 501, etc., can be mounted as needed. The mounting plate can be located at any position such as the front side, rear side, left side, right side, etc. of the wheel assembly mounting bracket, and the mounting plate can be arranged horizontally, vertically, or tilted.

[0061] like Figures 4 to 9 As shown, this embodiment also provides a track inspection device, including the above-mentioned tunnel track hanging shock-absorbing wheel group, and also including a driving wheel, a driven wheel 601 and a hanging box, the top of the hanging box is an open structure that passes through from front to back, and the bottom of the wheel group mounting bracket 100 is rotatably mounted on the bottom wall of the open structure through a first bearing 701; the driving wheel and the driven wheel 601 are respectively mounted on the bottom wall of the open structure and arranged relatively, and one of the driving wheel and the driven wheel 601 is rollingly set on the left track surface 403 of the track 400, and the other is rollingly set on the right track surface 404 of the track 400. The track inspection device of this embodiment runs smoothly after being hung on the track, and has a good shock absorption effect.

[0062] like Figure 1 to Figure 4 As shown, a first connecting plate 603 is vertically mounted on the axle of the driving wheel of this embodiment, and the first connecting plate 603 is rotatably mounted on the bottom wall of the open structure through a second bearing 605; a second connecting plate 604 is vertically mounted on the axle of the driven wheel 601, and the second connecting plate 604 is rotatably mounted on the bottom wall of the open structure through a third bearing 606. By providing a connecting structure in which the bearing and the connecting rod cooperate, it is convenient to adjust the clamping degree of the driving wheel and the driven wheel on the track. The central axis of the second bearing 605 is parallel to the central axis of the driving wheel, and the central axis of the third bearing is parallel to the central axis of the driven wheel.

[0063] like Figure 1 to Figure 4As shown, a specific solution of this embodiment is that the first connecting plate 603 is located on the front side of the second bearing 605, and the second connecting plate 604 is located on the rear side of the third bearing 606; the axle of the driving wheel and the axle of the driven wheel 601 are elastically connected by a tension spring 602.

[0064] like Figure 2 and Figure 3 As shown, the driving wheel of this embodiment includes an annular wheel body 607 and a driving motor 600. The main structure of the driving motor 600 is sleeved in the annular wheel body 607, and the output shaft 608 of the driving motor 600 serves as the wheel axle of the driving wheel. The driving motor and the annular wheel body are combined to form a driving wheel, and no other power mechanism is required. The driving wheel is both a driving mechanism and a wheel body, and can be self-driven to run along the track, which reduces the space occupied by the installation components and improves the structural stability.

[0065] like Figure 2 and Figure 3 As shown, in this embodiment, a mounting hole is provided on the first connecting plate 603, and the output shaft 608 has an external thread structure. The output shaft 608 passes through the mounting hole and is locked and fixed with the first connecting plate 603 by a nut 609; the output shaft 608 has a hollow structure, and the power line 610 of the driving motor 600 passes through the hollow structure of the output shaft 608. By passing the power line through the hollow structure of the output shaft, it is convenient for the driving motor to connect to the power supply, the structure is compact, and the power line is also protected to prevent the power line from bending.

[0066] Preferably, the outer diameter of the driving wheel is the same as the outer diameter of the driven wheel 601 .

[0067] Specifically, the axle of the driving wheel or the end of the first connecting plate 603 close to the driving wheel is provided with a first tension spring connecting part, the axle of the driven wheel 601 or the end of the second connecting plate 604 close to the driven wheel 601 is provided with a second tension spring connecting part, and the two ends of the tension spring 602 are respectively connected to the first tension spring connecting part and the second tension spring connecting part.

[0068] like Figure 2 and Figure 3 As shown, optionally, the first tension spring connection part of this embodiment includes at least one of a first connection hole, a first connection ear plate 611 and a first connection rod 612. The second tension spring connection part of this embodiment includes at least one of a second connection hole, a second connection ear plate 613 and a second connection rod 614.

[0069] Preferably, the first connecting plate 603 and the second connecting plate 604 are both arranged to extend horizontally. A first connecting ear plate 611 can be provided at one end of the first connecting plate 603 away from the second bearing 605, the first connecting ear plate 611 is arranged vertically, and then the first connecting rod 612 is vertically connected to the first connecting ear plate 611, the first connecting ear plate 611 and the first connecting rod 612 together serve as the first tension spring connection part, and the tension spring can be hooked on the first connecting rod 612. A first connecting hole can also be directly opened on the first connecting plate 603, and the tension spring can be hooked in the first connecting hole. Similarly, a second connecting ear plate 613 can also be provided at one end of the second connecting plate 604 away from the third bearing 606, the second connecting ear plate 613 is arranged vertically, and then the second connecting rod 614 is vertically connected to the second connecting ear plate 613, the second connecting ear plate 613 and the second connecting rod 614 together serve as the second tension spring connection part, and the tension spring can be hooked on the second connecting rod 614. It is also possible to directly open a second connecting hole on the second connecting plate 604 and hook the tension spring into the second connecting hole.

[0070] The driving wheel assembly of this embodiment is advantageous for the driving wheel and the driven wheel thereon to stably clamp the track by providing the first connecting plate and the second connecting plate and tightening the first connecting plate and the second connecting plate by means of a tension spring.

[0071] like Figure 3 As shown, a preferred solution of this embodiment is that the first connecting plate 603 is located at the front side of the driving wheel, and the second connecting plate 604 is located at the rear side of the driven wheel 601; or, the first connecting plate 603 is located at the rear side of the driving wheel, and the second connecting plate 604 is located at the front side of the driven wheel 601. By staggering the first connecting plate and the second connecting plate, it is convenient to use the tension spring to tighten the driving wheel and the driven wheel, so that they can stably press the track surface of the track.

[0072] The hanging box of this embodiment can use the currently commonly used box structure, or can use the following box structure:

[0073] like Figure 6 to Figure 9As shown, the hanging box body of this embodiment includes a first connecting frame 713, a second connecting frame 714, a surrounding plate 700, a partition 715 and a flap 702, the first connecting frame 713 and the second connecting frame 714 are arranged vertically at intervals, the middle part of the first connecting frame 713 and the middle part of the second connecting frame 714 are connected and fixed by a connecting frame, and the partition 715 is horizontally arranged on the connecting frame; a surrounding plate 700 is arranged between the peripheral side edges of the lower half of the first connecting frame 713 and the peripheral side edges of the lower half of the second connecting frame 714, and an assembly space that is through-through from front to back and open at the top is formed between the upper half of the first connecting frame 713 and the upper half of the second connecting frame 714; one end of the flap 702 is hinged to the upper end edge of the first connecting frame 713.

[0074] like Figure 7 and Figure 8 As shown, the side of the second connecting frame 714 of this embodiment facing away from the first connecting frame 713 is covered with a cover plate 716 .

[0075] like Figure 7 and Figure 8 As shown, in this embodiment, the lower half of the first connecting frame 713, the lower half of the second connecting frame 714, the enclosure 700 and the cover plate 716 together form a space for placing electrical appliances.

[0076] like Figure 5 and Figure 6 As shown, the electrical appliance placement space of this embodiment is provided with a multi-layer pull-out structure for placing electrical appliances. Specifically, the pull-out structure includes a pull-out plate 704, and the front and rear sides of the electrical appliance placement space are provided with a plurality of pairs of slide rails arranged relatively to each other, and a pull-out plate 704 is slidably arranged on each pair of slide rails. The pull-out plate 704 can be matched with the slide rail by automatically engaging after sliding to a preset position, and the engaging structure can adopt a conventional elastic ball head structure, etc.

[0077] like Figures 5 to 8 As shown, specifically, in this embodiment, the front side wall and / or the rear side wall of the enclosure 700 is provided with an obstacle avoidance radar 705, the rear side wall of the enclosure 700 is provided with a laser radar 709, the front side wall of the enclosure 700 is provided with an external interface 708, and the bottom of the enclosure 700 is provided with a dual-spectrum gimbal 706. The external interface 708 can be used as a backup wired charging interface, which can power the entire equipment and can also power functional components such as a fire extinguisher mounted at the back.

[0078] like Figure 7 and Figure 8As shown, preferably, the other end of the flip cover 702 is locked with the lower edge of the first connecting frame 713. A lock 707 can be provided at the lower end of the flip cover 702 to achieve locking with the first connecting frame 713. The lock 707 can adopt a common lock structure, such as an electromagnetic lock.

[0079] like Figure 7 and Figure 8 As shown, preferably, one end of the flip cover 702 is hinged to the upper edge of the first connecting frame 713 through a hinge 703. The number of the hinge 703 can be one or more.

[0080] Specifically, Figure 8 As shown, the bottom of the enclosure 700 of this embodiment is provided with a gas sensor 711, a voice sensor 710 and a physical switch 712, and an indicator light is provided on the flip cover 702. The physical switch 712 is used to start or shut down the device, the voice sensor 710 is mainly used for voice intercom, broadcasting, etc., and the gas sensor 711 is mainly used for the detection of harmful gases and environmental temperature and humidity.

[0081] like Figure 5 and Figure 6 As shown, the lower half of the second connecting frame 714 is provided with a wireless charging receiving terminal 717, and the first bearing 701 is arranged on the partition 715. By arranging the wireless charging receiving terminal at the lower half of the second connecting frame, charging is convenient.

[0082] Further preferably, Figure 5 and Figure 6 As shown, the first connecting frame 713 and the second connecting frame 714 of this embodiment can both adopt a rectangular structure, and the corresponding flip cover 702 and cover plate 716 can also adopt a rectangular structure.

[0083] The track inspection hanging box of this embodiment adopts two connecting frames and cooperates with a flap, a partition and a surround. During inspection and maintenance, the flap can be opened for operation, and the assembly space on the partition can be used to install structures such as a hanging wheel group and a driving wheel group. The two connecting frames can also be used as handles to facilitate the taking and placing of the hanging box. The overall structure is stable and reliable, the structural strength is high, the space layout is reasonable, and the space occupied is small.

[0084] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0085] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0086] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0087] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0088] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0089] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A tunnel track mounted shock-absorbing wheel set, mounted on the track; characterized in that: It comprises a wheel assembly mounting bracket, an upper and lower shock-absorbing wheel assembly and a left and right shock-absorbing wheel assembly, wherein the upper and lower shock-absorbing wheel assembly comprises an upper roller, a lower roller and a first shock-absorbing spring, wherein the upper roller is fixedly mounted on the wheel assembly mounting bracket, wherein the lower roller is elastically connected to the wheel assembly mounting bracket via a first shock-absorbing spring, wherein the upper roller is rollingly arranged on an upper track surface of a track, and wherein the lower roller is rollingly arranged on a lower track surface of the track; wherein the left and right shock-absorbing wheel assembly comprises a left roller, a second shock-absorbing spring and a right roller, wherein both the left roller and the right roller are elastically connected to the wheel assembly mounting bracket via a second shock-absorbing spring, wherein the left roller is rollingly arranged on a left track surface of the track, and wherein the right roller is rollingly arranged on a right track surface of the track; The wheel assembly mounting bracket comprises a first mounting plate and a second mounting plate which are arranged opposite to each other at an interval, and the upper roller, the lower roller, the left roller and the right roller are mounted on the first mounting plate and the second mounting plate respectively; There are at least two upper rollers, and at least one upper roller is fixed on each of the first mounting plate and the second mounting plate; There is at least one lower roller, and the first mounting plate and the second mounting plate are both provided with a first shock-absorbing spring, the lower end of the first shock-absorbing spring is fixed to the first mounting plate or the second mounting plate, and both ends of the wheel shaft of the lower roller are provided with guide blocks, and the two ends of the wheel shaft of the lower roller are respectively connected to the corresponding upper ends of the first shock-absorbing spring through the guide blocks; The first mounting plate is provided with a first guide column arranged vertically, the second mounting plate is provided with a second guide column arranged vertically, and the first guide column and the second guide column are each provided with a first shock absorbing spring; A U-shaped fork is provided at the free end of the guide block. The U-shaped fork is sleeved on the first guide column or the second guide column and connected to the upper end of the corresponding first shock-absorbing spring.

2. According to claim 1, a tunnel track mounted shock-absorbing wheel set is characterized in that: A third guide column is vertically mounted on the axle of the left roller, the third guide column horizontally moves through the wheel assembly mounting bracket, the third guide column is threadedly connected to the axle of the left roller, and a second shock-absorbing spring is sleeved on the third guide column between the wheel assembly mounting bracket and the axle of the left roller; A fourth guide column is vertically installed on the axle of the right roller, and the fourth guide column moves horizontally through the wheel set mounting bracket. The fourth guide column is threadedly connected to the axle of the right roller, and a second shock-absorbing spring is sleeved on the fourth guide column between the wheel set mounting bracket and the axle of the right roller.

3. According to claim 2, a tunnel track mounted shock-absorbing wheel set is characterized in that: The third guide pillars are two parallel and spaced apart, and the two third guide pillars are both sleeved with a second damping spring; the fourth guide pillars are two parallel and spaced apart, and the two fourth guide pillars are both sleeved with a second damping spring.

4. The tunnel track mounted shock-absorbing wheel set according to claim 1, characterized in that: The wheel assembly mounting bracket is detachably connected with a hanging plate.

5. A track inspection device, characterized in that: It comprises a tunnel track hanging shock-absorbing wheel group as described in any one of claims 1 to 4, and also includes a driving wheel, a driven wheel and a hanging box, the top of the hanging box is an open structure that passes through from front to back, and the bottom of the wheel group mounting bracket is rotatably mounted on the bottom wall of the open structure through a first bearing; the driving wheel and the driven wheel are respectively mounted on the bottom wall of the open structure and arranged relatively, and one of the driving wheel and the driven wheel is rollingly set on the left track surface of the track, and the other is rollingly set on the right track surface of the track.

6. A track inspection device according to claim 5, characterized in that: A first connecting plate is vertically mounted on the axle of the driving wheel, and the first connecting plate is rotatably mounted on the bottom wall of the open structure via a second bearing; a second connecting plate is vertically mounted on the axle of the driven wheel, and the second connecting plate is rotatably mounted on the bottom wall of the open structure via a third bearing.

7. A track inspection device according to claim 6, characterized in that: The first connecting plate is located at the front side of the second bearing, and the second connecting plate is located at the rear side of the third bearing; the axle of the driving wheel and the axle of the driven wheel are elastically connected via a tension spring.

8. A track inspection device according to claim 5, characterized in that: The hanging box comprises a first connecting frame, a second connecting frame, a surrounding plate, a partition and a flap, wherein the first connecting frame and the second connecting frame are arranged vertically at intervals, the middle part of the first connecting frame and the middle part of the second connecting frame are connected and fixed by a connecting frame, and the partition is horizontally arranged on the connecting frame; a surrounding plate is arranged between the peripheral side edge of the lower half of the first connecting frame and the peripheral side edge of the lower half of the second connecting frame, and an assembly space that is through-through and open at the top is formed between the upper half of the first connecting frame and the upper half of the second connecting frame; one end of the flap is hinged to the upper end edge of the first connecting frame; An obstacle avoidance radar is provided on the front side wall and / or the rear side wall of the enclosure, a laser radar is provided on the rear side wall of the enclosure, an external interface is provided on the front side wall of the enclosure, and a dual-spectrum gimbal is provided at the bottom of the enclosure; A gas sensor, a voice sensor and a physical switch are provided at the bottom of the enclosure, and an indicator light is provided on the flip cover; The lower half of the second connecting frame is provided with a wireless charging receiving end.

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