Track detection device

Abstract

The invention discloses a track detection device which comprises two track bodies, walking frames are arranged above the two track bodies, two rotatable rotating shafts are arranged on the inner side of each walking frame in a penetrating mode, walking wheels are fixedly arranged on the two rotating shafts respectively, a rotating mechanism is arranged on one side of each walking frame, and the rotating mechanism is arranged on the other side of each walking frame. The rotating mechanism is connected with two walking wheels, walking grooves are formed in the upper ends of the two track bodies correspondingly, the lower ends of the walking wheels are attached to the bottoms of the walking grooves, supporting columns are fixedly arranged at the upper ends of the two walking frames, and a walking table is fixedly arranged at the upper ends of the two supporting columns; two electric push rods are arranged below the walking table, a moving mechanism is arranged on the walking table, the moving mechanism is connected with the electric push rods, an output shaft of each electric push rod is provided with a rail bottom camera, and the device has the advantages of being reasonable in structure, high in detection efficiency and convenient to use.

Description

Technical Field

[0001] The present invention relates to the technical field of track detection, and in particular to a track detection device. Background Art

[0002] Rail vehicles are heavy and run frequently. Under the influence of many factors such as the continuous operation process and the natural environment, the track will be deformed. In serious cases, it will affect the operation of the train and even threaten the lives of passengers. Therefore, the detection of key track indicators (including track superelevation, triangular pits and track gauge) is an indispensable part of daily track maintenance. At the same time, the loss of railway fasteners is one of the common hidden dangers to the safe operation of railways. It poses a long-term threat to railway safety because the hazards are relatively hidden and difficult to detect. In the prior art, the industry's detection of fastener loss and track usage is mostly based on manual inspection methods, which are inefficient, costly, and easy to miss. In response to the above problems, a solution is proposed below. Summary of the invention

[0003] The object of the present invention is to provide a track detection device which has the advantages of high detection efficiency and convenient use.

[0004] The above technical objectives of the present invention are achieved through the following technical solutions: The track detection device comprises two track bodies, each of which is provided with a walking frame above the two track bodies, two rotatable shafts are respectively passed through the inner side of each of the walking frames, and walking wheels are respectively fixed on the two shafts, a rotating mechanism is provided on one side of the walking frame, and the rotating mechanism is connected to the two walking wheels, and walking grooves are respectively opened at the upper ends of the two track bodies, and the lower ends of the walking wheels are fitted with the bottoms of the walking grooves, pillars are fixed at the upper ends of the two walking frames, and walking platforms are fixed at the upper ends of the two pillars, and two electric push rods are provided below the walking platform, a moving mechanism is provided on the walking platform, and the moving mechanism is connected to the electric push rod, and a rail bottom camera is installed on the output shaft of each of the electric push rods.

[0005] Preferably, the rotating mechanism includes a first motor installed on one side of the walking frame, the output shaft of the first motor passes through the walking frame and is fixedly connected to one end of the rotating shaft, two sprockets are provided on the other side of the walking frame, the other ends of the two rotating shafts pass through the walking frame and are respectively fixedly connected to one side of the two sprockets, and a chain is provided between the two sprockets.

[0006] Preferably, the moving mechanism includes two threaded rods, a slide groove is provided at the top of the walking platform, the two threaded rods are respectively inserted into the slide groove, the thread directions of the two threaded rods are opposite, and one end is fixedly connected, a second motor is installed on one side of the walking platform, the output shaft of the second motor passes through the walking platform and is fixedly connected to one end of the threaded rod, a threaded seat is respectively inserted on each of the threaded rods, and the upper side of the threaded seat is slidably located in the slide groove, and the electric push rod is fixed at the lower end of the threaded seat.

[0007] Preferably, a rotatable short shaft is passed through the lower side of the walking frame, a limiting wheel is fixedly provided at one end of the short shaft, a limiting groove is provided on one side of the two rail bodies, and the limiting wheel can be slidably embedded in the limiting groove.

[0008] Preferably, protective covers are respectively installed on the lower sides of the two electric push rods, and the rail bottom camera is located on the inner side of the protective cover.

[0009] Preferably, one side of the two walking frames and one side of the walking platform are both provided with rain shields, and the first motor and the second motor are both located on the inner side of the rain shields.

[0010] The beneficial effects of the present invention are as follows: the two walking wheels can be driven to rotate simultaneously through the rotating mechanism, and the walking wheels can rotate in the walking grooves to realize the movement of the walking frames along the two track bodies respectively, and the two pillars can be driven to move simultaneously through the movement of the two walking frames, and finally the walking platform can be driven to move above the two track bodies, and the two electric push rods can be driven to move simultaneously through the moving mechanism, so that the positions of the two electric push rods can be adjusted, and the output shaft of the electric push rod can drive the rail bottom camera to move up and down, so as to realize the adjustment of the upper and lower positions of the rail bottom camera, and at the same time, it can cooperate with the movement of the moving platform to facilitate the movement of the rail bottom camera, so that the bottom of the two guide rail bodies can be photographed by the rail bottom camera, so that the staff can check the usage of the track conveniently, so as to achieve the purpose of track detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of an embodiment; Figure 2 A top view of the walking platform in the embodiment; Figure 3 is a side view of the walking frame in the embodiment; Figure 4 for Figure 1 Magnified view of area A.

[0012] Figure numerals: 1. track body; 2. walking frame; 3. rotating shaft; 4. walking wheel; 5. rotating mechanism; 6. walking groove; 7. pillar; 8. walking platform; 9. electric push rod; 10. moving mechanism; 11. camera at the bottom of the track; 12. first motor; 13. sprocket; 14. chain; 15. threaded rod; 16. slide groove; 17. second motor; 18. threaded seat; 19. short shaft; 20. limiting wheel; 21. limiting groove; 22. protective cover; 23. rain cover. DETAILED DESCRIPTION

[0013] The following is only a preferred embodiment of the present invention, and the protection scope is not limited to this embodiment. All technical solutions under the concept of the present invention should belong to the protection scope of the present invention. The same parts are represented by the same figure marks. It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "bottom" and "top", "inside" and "outside" refer to the directions toward or away from the geometric center of a specific component, respectively.

[0014] like Figures 1 to 4 As shown, the track detection device includes two track bodies 1, and a walking frame 2 is provided above the two track bodies 1. Two rotatable shafts 3 are respectively passed through the inner side of each walking frame 2, and walking wheels 4 are respectively fixed on the two shafts 3. A rotating mechanism 5 is provided on one side of the walking frame 2, and the rotating mechanism 5 is connected to the two walking wheels 4. The two walking wheels 4 can be driven to rotate simultaneously through the rotating mechanism 5. The rotating mechanism 5 includes a first motor 12 installed on one side of the walking frame 2, the output shaft of the first motor 12 passes through the walking frame 2 and is fixedly connected to one end of the rotating shaft 3, two sprockets 13 are provided on the other side of the walking frame 2, the other ends of the two rotating shafts 3 pass through the walking frame 2 and are respectively fixedly connected to one side of the two sprockets 13, a chain 14 is sleeved between the two sprockets 13, and the rotation of the first motor 12 can drive the rotating shaft 3 to rotate, thereby driving the walking wheel 4 and one of the sprockets 13 to rotate at the same time, and then the chain 14 can be used to realize the simultaneous rotation of the other sprocket 13, thereby driving the other rotating shaft 3 and the walking wheel 4 to rotate at the same time, and finally the two walking wheels 4 can be realized to rotate at the same time.

[0015] The upper ends of the two track bodies 1 are respectively provided with a running groove 6, and the lower ends of the running wheels 4 are in contact with the bottom of the running groove 6. The running frames 2 can be moved along the two track bodies 1 by the running wheels 4 rotating in the running groove 6. The upper ends of the two running frames 2 are fixed with pillars 7, and the upper ends of the two pillars 7 are fixed with a running platform 8. The movement of the two running frames 2 can drive the two pillars 7 to move at the same time, and finally drive the running platform 8 to move above the two track bodies 1. Two electric push rods 9 are provided below the walking platform 8, and a moving mechanism 10 is provided on the walking platform 8, and the moving mechanism 10 is connected to the electric push rods 9, and a rail bottom camera 11 is installed on the output shaft of each electric push rod 9. The two electric push rods 9 can be driven to move at the same time by the moving mechanism 10, so that the positions of the two electric push rods 9 can be adjusted, and the rail bottom camera 11 can be driven to move up and down by the output shaft of the electric push rod 9, so that the up and down position of the rail bottom camera 11 can be adjusted, and at the same time, the movement of the moving platform can be coordinated to facilitate the movement of the rail bottom camera 11, so that the bottom of the two guide rail bodies can be photographed by the rail bottom camera 11, so that the staff can check the use of the track conveniently, so as to achieve the purpose of track detection.

[0016] The moving mechanism 10 includes two threaded rods 15, a slide groove 16 is provided at the top of the walking platform 8, and the two threaded rods 15 are respectively inserted into the slide groove 16. The thread directions of the two threaded rods 15 are opposite, and one end is fixedly connected. A second motor 17 is installed on one side of the walking platform 8, and the output shaft of the second motor 17 passes through the walking platform 8 and is fixedly connected to one end of the threaded rod 15. A threaded seat 18 is respectively inserted into each threaded rod 15, and the upper side of the threaded seat 18 is slidably located in the slide groove 16. The electric push rod 9 is fixed at the lower end of the threaded seat 18. The rotation of the second motor 17 can drive the two threaded rods 15 to rotate at the same time. Since the thread directions of the two threaded rods 15 are opposite, the two threaded seats 18 can be made to move away from or close to each other along the two threaded rods 15, thereby driving the two electric push rods 9 to move, so as to adjust the positions of the two electric push rods 9.

[0017] A rotatable short shaft 19 is passed through the lower side of the walking frame 2, and a limiting wheel 20 is fixedly provided at one end of the short shaft 19. A limiting groove 21 is provided on one side of the two track bodies 1, and the limiting wheel 20 is slidably embedded in the limiting groove 21. When the walking frame 2 moves along the track body 1, the limiting wheel 20 can be driven to slide along the limiting groove 21. Therefore, the cooperation between the limiting wheel 20 and the limiting groove 21 can play a limiting and guiding role on the walking frame 2 to prevent the walking frame 2 from escaping from the track body 1.

[0018] A protective cover 22 is installed on the lower side of the two electric push rods 9, and the rail bottom camera 11 is located on the inner side of the protective cover 22. The protective cover 22 can protect the rail bottom camera 11 to prevent the rail bottom camera 11 from being damaged during shooting. A rain shield 23 is provided on one side of the two walking frames 2 and one side of the walking platform 8, and the first motor 12 and the second motor 17 are located on the inner side of the rain shield 23. The rain shield 23 can protect the first motor 12 and the second motor 17 from rain, so that the device can work on rainy days.

[0019] The specific embodiments described above further illustrate the technical problems, technical solutions and beneficial effects solved by the present invention. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A track detection device, characterized in that: The invention comprises two track bodies (1), each of which is provided with a walking frame (2) above the two track bodies (1), two rotatable shafts (3) are respectively passed through the inner side of each walking frame (2), and walking wheels (4) are respectively fixed on the two shafts (3), a rotating mechanism (5) is provided on one side of the walking frame (2), and the rotating mechanism (5) is connected to the two walking wheels (4), and the upper ends of the two track bodies (1) are respectively provided with walking grooves (6), and the The lower end of the walking wheel (4) is in contact with the bottom of the walking groove (6); the upper ends of the two walking frames (2) are fixedly provided with pillars (7); the upper ends of the two pillars (7) are fixedly provided with a walking platform (8); two electric push rods (9) are provided below the walking platform (8); a moving mechanism (10) is provided on the walking platform (8), and the moving mechanism (10) is connected to the electric push rod (9); and a rail bottom camera (11) is installed on the output shaft of each electric push rod (9).

2. The track detection device according to claim 1, characterized in that: The rotating mechanism (5) comprises a first motor (12) installed on one side of a walking frame (2); an output shaft of the first motor (12) passes through the walking frame (2) and is fixedly connected to one end of a rotating shaft (3); two sprockets (13) are provided on the other side of the walking frame (2); the other ends of the two rotating shafts (3) pass through the walking frame (2) and are respectively fixedly connected to one side of the two sprockets (13); a chain (14) is sleeved between the two sprockets (13).

3. The track detection device according to claim 2, characterized in that: The moving mechanism (10) comprises two threaded rods (15), a slide groove (16) is provided at the top of the walking platform (8), the two threaded rods (15) are respectively inserted into the slide groove (16), the thread directions of the two threaded rods (15) are opposite, and one end is fixedly connected, a second motor (17) is installed on one side of the walking platform (8), the output shaft of the second motor (17) is inserted into the walking platform (8), and is fixedly connected to one end of the threaded rod (15), each of the threaded rods (15) is respectively inserted into a threaded seat (18), and the upper side of the threaded seat (18) is slidably located in the slide groove (16), and the electric push rod (9) is fixedly arranged at the lower end of the threaded seat (18).

4. The track detection device according to claim 3, characterized in that: A rotatable short shaft (19) is passed through the lower side of the walking frame (2), a limiting wheel (20) is fixedly provided at one end of the short shaft (19), a limiting groove (21) is provided on one side of the two track bodies (1), and the limiting wheel (20) is slidably embedded in the limiting groove (21).

5. The track detection device according to claim 4, characterized in that: Protective covers (22) are respectively installed on the lower sides of the two electric push rods (9), and the rail bottom camera (11) is located on the inner side of the protective cover (22).

6. The track detection device according to claim 5, characterized in that: One side of the two walking frames (2) and one side of the walking platform (8) are both provided with rain shields (23), and the first motor (12) and the second motor (17) are both located inside the rain shields (23).

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