Guide device for track detection

Abstract

The utility model discloses a guide device for track detection, which relates to the technical field of track guide and comprises a fixed track, a traveling chassis is arranged at the top of the fixed track, and guide moving devices are arranged on four sides of the bottom of the traveling chassis and are mounted at the top of the fixed track in a rolling manner. According to the guide device for track detection, the situation that the guide device derails in the moving process due to the fact that the track gauges of the fixed tracks on the two sides have deviation is avoided, the guide device can adapt to the scene that the distance between the inner sides is changed due to abrasion or deviation of the inner sides of the tracks, damping is conducted on the guide device through the effect of the damping rods, and the service life of the guide device is prolonged. Jumping of a single auxiliary wheel device is avoided, the stability of the whole guiding device during movement is not affected, the cushioning effect is achieved, the detection precision of a sensor in the detection robot is improved, the four auxiliary driving wheels rotate along with the turning position at the top of the fixed rail, and the stability of the whole guiding device during turning position reversing is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of track guidance, and more specifically, to a guide device for track detection. Background Art

[0002] With the continuous development of railway projects, the mileage of railways is also increasing. According to the requirements of railway inspection and maintenance, railway lines need to be inspected regularly or irregularly. At present, the existing technologies for railway lines mostly use manual, semi-automatic and automatic inspections. Track inspection is an important part of ensuring the safe and efficient operation of rail transportation.

[0003] Modern railways often use track inspection robots for long-distance inspections. These robots are equipped with various high-precision sensors, such as laser sensors and accelerometers. These sensors collect and analyze various track data in real time during the robot's operation. Although the inspection robot can move along the rails, dirt and impurities may be present on the rails during operation, causing vibrations when the inspection vehicle passes by, affecting the detection accuracy of the sensors inside the vehicle. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides a guide device for track detection to solve the problem that there may be some dirt and impurities on the existing rails, causing the detection vehicle to vibrate when passing by, affecting the detection accuracy of the sensors equipped in the detection vehicle.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a guide device for track detection, comprising a fixed track, a walking chassis provided on the top of the fixed track, and guide moving devices provided on the four sides of the bottom of the walking chassis, wherein the guide moving devices are rotatably mounted on the top of the fixed track;

[0006] The walking chassis includes a mounting plate, fixed blocks are fixedly installed on both sides of the mounting plate, a rotating shaft is rotatably installed inside the fixed block, a movable cross frame is fixedly installed on the bottom of the rotating shaft, movable grooves are opened inside both ends of the movable cross frame, fixed rods are fixedly installed at both ends of the movable groove, and an extrusion spring is movably sleeved on the outer surface of the fixed rod;

[0007] The guide movement device includes a shock absorbing device and an auxiliary wheel device. The shock absorbing device is movably sleeved on one end of the auxiliary wheel device. The shock absorbing device is slidably installed inside the movable groove. The extrusion spring is located between the shock absorbing device and the movable groove.

[0008] The shock absorbing device includes a movable block, a connecting block is fixedly installed on the left side of the bottom of the movable block, a rotating frame is rotatably installed on the bottom of the connecting block, a fixed frame is fixedly installed on the side of the rotating frame away from the connecting block, and fixing rings are fixedly installed on the upper and lower ends of the fixed frame away from the rotating frame. A shock absorbing rod is rotatably installed on the end of the rotating frame close to the fixed frame, and the top of the shock absorbing rod is rotatably installed on the bottom of the movable block.

[0009] The movable block is movably sleeved on the outer surface of the fixed rod and slidably installed inside the movable groove.

[0010] The auxiliary wheel device includes a support rod, auxiliary side wheels are rotatably installed at both ends of the bottom of the support rod, a fixed shaft is fixedly installed on the top of the support rod, a connecting frame is fixedly installed on one side of the fixed shaft, a support shaft is fixedly installed in the middle of the connecting frame, an auxiliary driving wheel is rotatably installed on the outer surface of the support shaft, and a cleaning brush is fixedly installed on one side of the connecting frame.

[0011] The auxiliary side wheel is rotatably mounted on the inner side of the fixed track, the auxiliary drive wheel is rotatably mounted on the top of the fixed track, the cleaning brush is slidably mounted on the top of the fixed track, and the fixed shaft is rotatably mounted inside the fixed ring.

[0012] The technical effects and advantages of this utility model are:

[0013] 1. By setting up extrusion springs, when the guide moving devices at both ends move on the top of the fixed rails, the auxiliary side wheels at the bottom of the auxiliary wheel device always fit on the inner sides of the two fixed rails, and the auxiliary drive wheels are always located on the top of the fixed rails. This prevents the deviation of the gauge of the fixed rails on both sides, which may cause the guide device to derail during movement. This ensures the stability of the railcar's operation and makes it adaptable to scenarios where the inner side of the rails wears or deviates, resulting in changes in the inner spacing.

[0014] 2. By rotating the rotating shaft at the top of the movable cross frame inside the fixed block, when one side of the walking chassis enters a corner, the movable cross frame on the mounting plate side will rotate first, and the movable cross frame on the other side of the mounting plate will rotate subsequently, thereby facilitating the turning and reversing of the entire guide device;

[0015] 3. The shock-absorbing rod is used to slow down the vibration of a single auxiliary wheel device and reduce the vibration of the guide device, thus preventing the vibration of a single auxiliary wheel device from affecting the stability of the entire guide device during movement, thus playing a role in cushioning the vibration and improving the detection accuracy of the internal sensors of the detection robot;

[0016] 4. Through the action of the auxiliary side wheels, when the auxiliary side wheels roll to the turning point of the fixed track, the two auxiliary side wheels at the bottom of the support rod will rotate, causing the fixed shaft at the top of the support rod to rotate, and the auxiliary drive wheel will rotate. The four auxiliary drive wheels rotate along with the turning point at the top of the fixed track, which facilitates the reversal of the overall guide device at the turning point and improves the stability of the overall guide device when changing direction at the turning point. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the walking chassis structure of the utility model;

[0019] Figure 3 This is a schematic structural diagram of the guide moving device of the present utility model;

[0020] Figure 4 This is a schematic structural diagram of the shock absorbing device of the present utility model;

[0021] Figure 5 This is a schematic structural diagram of the auxiliary wheel device of the present utility model.

[0022] The accompanying drawings are marked as follows: 1. fixed track; 2. walking chassis; 3. guide moving device; 21. mounting plate; 22. fixed block; 23. rotating shaft; 24. movable cross frame; 25. movable groove; 26. fixed rod; 27. extrusion spring; 31. shock absorbing device; 32. auxiliary wheel device; 311. movable block; 312. connecting block; 313. rotating frame; 314. fixed frame; 315. fixed ring; 316. shock absorbing rod; 321. support rod; 322. auxiliary side wheel; 323. fixed shaft; 324. support shaft; 325. auxiliary driving wheel; 326. connecting frame; 327. cleaning brush. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, a detailed description will be given below with reference to the accompanying drawings and specific embodiments.

[0024] As attached Figure 1 To the attached Figure 5 The embodiment of the present utility model provides a guide device for track detection, comprising a fixed track 1, a traveling chassis 2 is provided on the top of the fixed track 1, and guide moving devices 3 are provided on the four sides of the bottom of the traveling chassis 2, and the guide moving devices 3 are rotatably mounted on the top of the fixed track 1;

[0025] The traveling chassis 2 includes a mounting plate 21, with fixed blocks 22 fixedly mounted on both sides of the mounting plate 21, a rotating shaft 23 rotatably mounted inside the fixed block 22, a movable cross frame 24 fixedly mounted at the bottom of the rotating shaft 23, movable grooves 25 are formed inside both ends of the movable cross frame 24, and fixed rods 26 are fixedly mounted at both ends of the movable grooves 25, and an extrusion spring 27 is movably sleeved on the outer surface of the fixed rod 26;

[0026] By rotating the rotating shaft 23 at the top of the movable cross frame 24 inside the fixed block 22, when one side of the walking chassis 2 enters the corner, the movable cross frame 24 on one side of the mounting plate 21 will rotate first, and the movable cross frame 24 on the other side of the mounting plate 21 will rotate subsequently, thereby facilitating the turning and reversing of the overall guide device.

[0027] By setting the extrusion spring 27, when the guide moving devices 3 at both ends move on the top of the fixed rail 1, the auxiliary side wheels 322 at the bottom of the auxiliary wheel device 32 always fit the inner sides of the two fixed rails 1, and the auxiliary driving wheel 325 is always located on the top of the fixed rail 1, so as to avoid the deviation of the track gauge of the fixed rails 1 on both sides, which may cause the guide device to derail during the movement, thereby ensuring the stability of the rail vehicle operation and making it adaptable to the scenario where the inner side of the rail is worn or deviated, resulting in changes in the inner side spacing.

[0028] The guide moving device 3 includes a shock absorbing device 31 and an auxiliary wheel device 32. The shock absorbing device 31 is movably connected to one end of the auxiliary wheel device 32. The shock absorbing device 31 is slidably installed inside the movable groove 25. The extrusion spring 27 is located between the shock absorbing device 31 and the movable groove 25.

[0029] like Figure 4 As shown, the shock absorbing device 31 includes a movable block 311, a connecting block 312 is fixedly installed on the left side of the bottom of the movable block 311, a rotating frame 313 is rotatably installed on the bottom of the connecting block 312, a fixed frame 314 is fixedly installed on the side of the rotating frame 313 away from the connecting block 312, and a fixing ring 315 is fixedly installed on the upper and lower ends of the fixed frame 314 away from the rotating frame 313, a shock absorbing rod 316 is rotatably installed on the end of the rotating frame 313 close to the fixed frame 314, and the top of the shock absorbing rod 316 is rotatably installed on the bottom of the movable block 311.

[0030] The movable block 311 is movably sleeved on the outer surface of the fixing rod 26 and slidably installed inside the movable groove 25 .

[0031] When there is dirt or debris somewhere on the top of the fixed track 1, the single auxiliary wheel device 32 will bounce when passing through the dirt or debris. The shock-absorbing rod 316 is used to slow down the bouncing of the single auxiliary wheel device 32, and the guide device is shock-absorbing to prevent the bouncing of the single auxiliary wheel device 32 from affecting the stability of the entire guide device during movement, thereby playing a shock-absorbing role and improving the detection accuracy of the internal sensors of the detection robot.

[0032] like Figure 5 As shown, the auxiliary wheel device 32 includes a support rod 321, and auxiliary side wheels 322 are rotatably installed at both ends of the bottom of the support rod 321. A fixed shaft 323 is fixedly installed on the top of the support rod 321, and a connecting frame 326 is fixedly installed on one side of the fixed shaft 323. A support shaft 324 is fixedly installed in the middle of the connecting frame 326, and an auxiliary driving wheel 325 is rotatably installed on the outer surface of the support shaft 324. A cleaning brush 327 is fixedly installed on one side of the connecting frame 326.

[0033] Use the cleaning brush 327 to simply clean the dirt and debris on the top of the fixed track 1 to avoid the presence of dirt and impurities on the top of the fixed track 1, which will affect the smooth movement of the entire guide device.

[0034] Among them, the auxiliary side wheel 322 is rollingly installed on the inner side of the fixed track 1, the auxiliary driving wheel 325 is rollingly installed on the top of the fixed track 1, the cleaning brush 327 is slidingly installed on the top of the fixed track 1, and the fixed shaft 323 is rotatably installed inside the fixed ring 315.

[0035] Through the action of the auxiliary side wheels 322, when the auxiliary side wheels 322 roll to the turning point of the fixed track 1, the two auxiliary side wheels 322 at the bottom of the support rod 321 will rotate, causing the fixed shaft 323 at the top of the support rod 321 to rotate, and the auxiliary driving wheel 325 will rotate, causing the auxiliary driving wheel 325 to rotate along the turning point at the top of the fixed track 1, thereby facilitating the reversal of the overall guide device at the turning point and improving the stability of the overall guide device when changing direction at the turning point.

[0036] The working process of this utility model is as follows:

[0037] When in use, the track inspection robot is placed on the guide device. At this time, the inspection robot moves on the upper surface of the fixed track 1. The auxiliary side wheels 322 on both sides contact the inner side wall of the fixed track 1. The auxiliary driving wheels 325 roll to drive the track inspection robot to move along the fixed track 1. At this time, the auxiliary side wheels 322 roll along the inner side wall of the track.

[0038] When the auxiliary side wheels 322 reach the turning point of the fixed track 1, the two auxiliary side wheels 322 at the bottom of the support rod 321 will rotate, causing the fixed shaft 323 at the top of the support rod 321 to rotate, and the support shaft 324 and the auxiliary driving wheel 325 on the outer surface will rotate along with the turning point at the top of the fixed track 1, so that the auxiliary driving wheel 325 will turn along the turning point at the top of the fixed track 1, thereby facilitating the reversal of the overall guide device at the turning point. By rotating the rotating shaft 23 at the top of the mobile cross frame 24 inside the fixed block 22, when one side of the walking chassis 2 enters the turning point, the mobile cross frame 24 on the side of the mounting plate 21 will rotate first, and the mobile cross frame 24 on the other side of the mounting plate 21 will rotate subsequently, thereby facilitating the turning and reversing of the overall guide device.

[0039] When the auxiliary driving wheel 325 rolls and drives the detection robot to walk, the cleaning brush 327 simply cleans the dirt and debris on the top of the fixed track 1. When there is dirt or debris somewhere on the top of the fixed track 1, the single auxiliary wheel device 32 will jump when passing through the dirt or debris. The shock-absorbing rod 316 is used to slow down the jumping of the single auxiliary wheel device 32, and the guide device is damped to avoid the jumping of the single auxiliary wheel device 32, thereby causing the entire guide device to move smoothly and play a shock-absorbing role.

[0040] Finally, a few points should be explained: the drawings of the embodiments disclosed in this utility model only involve structures related to the embodiments disclosed in this utility model. Other structures can refer to common designs. In the absence of conflicts, the same embodiment and different embodiments of the utility model can be combined with each other.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A guide device for track detection, comprising a fixed track (1), characterized in that: A walking chassis (2) is provided on the top of the fixed track (1), and guide moving devices (3) are provided on four sides of the bottom of the walking chassis (2), and the guide moving devices (3) are rollingly installed on the top of the fixed track (1); The walking chassis (2) includes a mounting plate (21), fixed blocks (22) are fixedly mounted on both sides of the mounting plate (21), a rotating shaft (23) is rotatably mounted inside the fixed block (22), a movable cross frame (24) is fixedly mounted on the bottom of the rotating shaft (23), movable grooves (25) are provided inside both ends of the movable cross frame (24), fixed rods (26) are fixedly mounted on both ends of the movable groove (25), and an extrusion spring (27) is movably sleeved on the outer surface of the fixed rod (26); The guide moving device (3) comprises a damping device (31) and an auxiliary wheel device (32), wherein the damping device (31) is movably sleeved on one end of the auxiliary wheel device (32), the damping device (31) is slidably mounted inside the movable groove (25), and the extrusion spring (27) is located between the damping device (31) and the movable groove (25).

2. A guide device for track detection according to claim 1, characterized in that: The shock absorbing device (31) comprises a movable block (311), a connecting block (312) fixedly mounted on the left side of the bottom of the movable block (311), a rotating frame (313) rotatably mounted on the bottom of the connecting block (312), a fixed frame (314) fixedly mounted on the side of the rotating frame (313) away from the connecting block (312), fixed rings (315) fixedly mounted on both upper and lower ends of the fixed frame (314) away from the rotating frame (313), a shock absorbing rod (316) rotatably mounted on one end of the rotating frame (313) close to the fixed frame (314), and the top of the shock absorbing rod (316) rotatably mounted on the bottom of the movable block (311).

3. A guide device for track detection according to claim 2, characterized in that: The movable block (311) is movably sleeved on the outer surface of the fixed rod (26) and slidably mounted inside the movable groove (25).

4. A guide device for track detection according to claim 3, characterized in that: The auxiliary wheel device (32) comprises a support rod (321), auxiliary side wheels (322) are rotatably mounted on both ends of the bottom of the support rod (321), a fixed shaft (323) is fixedly mounted on the top of the support rod (321), a connecting frame (326) is fixedly mounted on one side of the fixed shaft (323), a support shaft (324) is fixedly mounted in the middle of the connecting frame (326), an auxiliary driving wheel (325) is rotatably mounted on the outer surface of the support shaft (324), and a cleaning brush (327) is fixedly mounted on one side of the connecting frame (326).

5. A guide device for track detection according to claim 4, characterized in that: The auxiliary side wheel (322) is rollingly mounted on the inner side of the fixed track (1), the auxiliary driving wheel (325) is rollingly mounted on the top of the fixed track (1), the cleaning brush (327) is slidingly mounted on the top of the fixed track (1), and the fixed shaft (323) is rotatably mounted inside the fixed ring (315).

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