Railway vehicle detection device based on radar technology

Abstract

The utility model discloses a railway vehicle detection device based on radar technology, which relates to the technical field of railway vehicle detection and comprises a wheel sensor and a rail side box, the wheel sensor is arranged in the rail side box, and a rotating component is arranged at the top of the rail side box. The beneficial effects of the utility model are that the outlet used for transmitting and receiving the reflected signals is driven to rotate by rotating the protection plate, so that the direction of transmitting and receiving the signals is adjusted according to actual needs, thereby adapting to different railway lines and train running directions, and the outlet used for transmitting and receiving the reflected signals is rotated to the corresponding direction, so that the direction of transmitting and receiving the reflected signals is adjusted. A user places the wheel sensor in the rail side box, the limiting blocks are aligned with the positioning blocks, the two sets of limiting blocks are driven by the rotating shaft rotating clockwise to move outwards to be inserted and clamped in the corresponding positioning blocks, and the wheel sensor and the protection plate are connected together in the position state.

Description

TECHNICAL FIELD

[0001] The utility model relates to railway vehicle detection field especially, and it is a kind of railway vehicle detection device based on radar technology. BACKGROUND

[0002] With the rapid development of railway traffic, more and more high requirements are put forward for the safe and efficient operation of railway vehicles. By accurately measuring the position and speed of railway vehicles, the railway dispatching center can more reasonably arrange the operation plan of trains, reduce the waiting time and operation interval between trains, and thus improve the operation efficiency of railway traffic.

[0003] In the operation process of railway vehicle "5T" and other security devices, important data such as arrival of running train, speed, total number of axles, etc. need to be collected. A wheel sensor is used. When the train passes through the wheel sensor, the wheel does not contact the sensor to generate a signal level suitable for the monitoring system. However, the current train wheel sensor equipment used in railways requires a long installation distance, and the construction of cable laying in the track side ditch is difficult, which is not convenient to use. Moreover, the existing detection device is usually installed on the track side box. Since the detection device needs to detect the direction of the incoming train, the track side box is usually fixedly installed on the side of the railway, and the angle is fixed. When it is necessary to adjust the signal direction to adapt to different railway layouts or vehicle driving directions, it is difficult to achieve, which limits the flexibility of signal transmission and reception, and is not convenient to use. Therefore, a railway vehicle detection device based on radar technology is proposed to solve the above problems. SUMMARY

[0004] The utility model discloses a kind of railway vehicle detection devices based on radar technology to solve the problems existing in prior art, such as the current train wheel sensor equipment used in railways, installation distance requirement is far, track side ditch cable laying construction is difficult, not convenient to use, and existing detection device is usually installed on the track side box, since the detection device needs to detect the direction of the incoming train, the track side box is usually fixedly installed on the side of the railway, and the angle is fixed. When it is necessary to adjust the signal direction to adapt to different railway layouts or vehicle driving directions, it is difficult to achieve, which limits the flexibility of signal transmission and reception, and is not convenient to use. Therefore, a railway vehicle detection device based on radar technology is proposed to solve the above problems.

[0005] To solve the problems existing in prior art, the utility model adopts the following technical scheme:

[0006] A kind of railway vehicle detection device based on radar technology, comprising:

[0007] Wheel sensor and track side box, the wheel sensor is arranged in track side box, the top of track side box is provided with rotating assembly, and the rotating assembly includes:

[0008] The bottom of the protection plate is fixedly provided with a sliding block, the top of the rail side box is provided with a sliding groove, the sliding block is movably connected to the inner wall of the sliding groove, and the protection plate is provided with an outlet for emitting and receiving reflected signals.

[0009] The positioning unit comprises a connecting block, a moving block and a limiting block, the connecting block is fixedly arranged on the outer wall of the wheel sensor, a rotating screw rod is rotatably connected to the inner wall of the connecting block through a pin shaft, the moving block is threadedly connected to the outer wall of the rotating screw rod, the moving block and the limiting block are fixedly connected, and the inner wall of the protection plate is fixedly provided with a positioning block, and the limiting block is abutted and clamped in the positioning block.

[0010] Preferably, the bottom of the limiting block is fixedly provided with a reinforcing block, and the bottom of the reinforcing block is fixedly provided with an abutting block.

[0011] Preferably, the inner wall of the connecting block is rotatably inserted with a connecting rod, and the outer wall of the connecting rod is fixedly connected with the rotating screw rod.

[0012] Preferably, the top of the connecting block is movably inserted with a rotating shaft, the outer wall of the rotating shaft is fixedly provided with a second bevel gear, the outer wall of the connecting rod is fixedly provided with a first bevel gear, and the first bevel gear and the second bevel gear are meshed and connected together.

[0013] Preferably, the outer wall of the rotating shaft is fixedly provided with a positioning plate, the outer wall of the positioning plate is provided with a plurality of groups of perforations.

[0014] Preferably, the inner wall of the perforation is movably inserted with a fixing screw rod, the top of the connecting block is provided with a threaded hole, and the bottom of the fixing screw rod is threadedly screwed in the threaded hole.

[0015] Preferably, the top of the protection plate is rotatably connected with a top cover through a pin shaft, the bottom of the connecting block is provided with a moving port, and the moving block is movably clamped in the moving port.

[0016] Preferably, the outer wall of the abutting block is fixedly adhered with an anti-skid pad.

[0017] Compared with the prior art, the protection plate has the advantages that:

[0018] 1. In the utility model, through setting up wheel sensor, rail side box, protection board, connecting block, rotary screw, limiting block and the connecting relation of abutting block, make through rotating the protection board drive the export for transmitting and receiving reflection signal, make it adjust the direction of transmitting and receiving signal according to actual need, to adapt to different railway line and train operation direction, and the export for transmitting and receiving reflection signal rotates to the corresponding direction, then the user places the wheel sensor in the rail side box, its limiting block is aligned with the locating block, drives two groups of limiting blocks to move outward and inserts and clamps in the corresponding locating block through the clockwise rotary shaft, makes the position state connection of wheel sensor and protection board, when this time, the radar of wheel sensor transmits microwave signal and receives reflection signal and is aligned with the protection board, avoids the transmission and reception of shielding signal, and drives two groups of abutting blocks to move outward through two groups of limiting blocks moving outward, makes two groups of abutting blocks abut in the inner wall of rail side box, makes the wheel sensor and protection board fixed in the rail side box, convenient to use, and through reverse rotation rotary shaft, drives two groups of limiting blocks and two groups of abutting blocks to move inward, makes two groups of limiting blocks away from the protection board, two groups of abutting blocks away from the inner wall of rail side box, when this time, the connecting block loosens, the user takes out the wheel sensor from the rail side box, carries out maintenance inspection, simple and quick operation, convenient to use.

[0019] 2. In the utility model, through setting up rotary shaft, locating plate, perforation, fixed screw and the connecting relation of thread hole, make the perforation set up multiple groups, multiple groups of perforation correspond to different limit positions, select according to the size of rail side box inner chamber, be favorable to improve the scope of application, when abutting block abuts in the inner wall of rail side box, thread hole is aligned with the corresponding perforation, drives the fixed screw to insert the thread hole through the perforation, and rotates the fixed screw, makes the fixed screw tighten in the thread hole, makes the position of locating plate fixed, thereby the position of limiting block and abutting block is fixed, further improves its stability. ACCURACY OF DRAWINGS

[0020] The drawings described herein are used to provide further understanding of the utility model, and constitute a part of the present application, the illustrative embodiment of the utility model and its explanation are used to explain the utility model, and do not constitute improper limitation to the utility model.

[0021] In the drawings:

[0022] Figure 1 It is the whole structure schematic diagram of the utility model;

[0023] Figure 2 It is the internal structure schematic diagram of the rail side box of the utility model;

[0024] Figure 3 It is the structure schematic diagram of the protection board of the utility model;

[0025] Figure 4 This is a cross-sectional view of the trackside box structure of the present utility model;

[0026] Figure 5 This is a cross-sectional view of the connecting block structure of the present utility model;

[0027] Figure 6 This is a schematic structural diagram of the positioning plate of the present utility model.

[0028] Serial numbers in the figure: 1. Wheel sensor; 2. Railside box; 201. Slide groove; 202. Protective plate; 203. Slider; 204. Top cover; 205. Positioning block; 3. Connecting block; 301. Moving opening; 302. Rotating screw; 303. Moving block; 304. Limiting block; 305. Reinforcement block; 306. Clamping block; 307. Connecting rod; 308. First bevel gear; 309. Rotating shaft; 310. Second bevel gear; 4. Positioning plate; 401. Fixing screw; 402. Through hole. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0030] Example: This example provides a railway vehicle detection device based on radar technology, see Figures 1-6 , specifically, including:

[0031] Wheel sensor 1 and trackside box 2. Wheel sensor 1 is equipped with radar equipment. It detects the distance and speed of the train by emitting microwave signals and receiving reflected signals, senses the train approach information, and provides a power-on signal to the railway vehicle detection equipment, allowing the equipment to enter the train reception state in advance to ensure the monitoring of passing trains. Moreover, through radar technology, it can work effectively in various weather conditions, so it is suitable for a variety of environments. Wheel sensor 1 is set in trackside box 2. The radar equipment of wheel sensor 1 detects the direction of the oncoming train. When the train enters the detection range, which is basically about 80 meters, the radar detects the train approach signal, which is amplified and processed and converted into a switching signal for use by railway vehicle equipment. The railway vehicle safety monitoring equipment starts in advance and prepares to receive the train. A rotating component is set on the top of the trackside box 2. The rotating component includes:

[0032] The protective plate 202 has a slider 203 fixedly provided at the bottom, a slide groove 201 is provided on the top of the trackside box 2, and the slider 203 is movably connected to the inner wall of the slide groove 201. The protective plate 202 is provided with an outlet for transmitting and receiving reflected signals. When in use, the outlet for transmitting and receiving reflected signals is driven to rotate by rotating the protective plate 202, so that the direction of transmitting and receiving signals can be adjusted according to actual needs, thereby adapting to different railway lines and train running directions, and by adjusting the angles of signal transmission and reception, it helps to shorten or increase the train running interval and improve the transportation capacity of the railway line.

[0033] The positioning unit includes a connecting block 3, a moving block 303 and a limiting block 304. The connecting block 3 is fixedly arranged on the outer wall of the wheel sensor 1. The inner wall of the connecting block 3 is connected to the rotating screw 302 through a pin, and the moving block 303 is threadedly connected to the outer wall of the rotating screw 302. The moving block 303 and the limiting block 304 are fixedly connected. The inner wall of the protective plate 202 is fixedly provided with a positioning block 205, and the limiting block 304 is docked and clamped in the positioning block 205. The positioning unit is provided with two groups and is symmetrically distributed. When in use, by making the limiting block 3 04 Align the wheel sensor 1 with the positioning block 205 and place it in the trackside box 2. Rotate the screw 302 counterclockwise to move it backward, so that the moving block 303 moves outward. The outward moving moving block 303 drives the limiting block 304 to move outward, so that the limiting block 304 is inserted into and stuck in the positioning block 205. At this time, the position status of the wheel sensor 1 and the protective plate 202 are connected together. At this time, the radar of the wheel sensor 1 transmits microwave signals and receives reflected signals, which are aligned with the protective plate 202 to avoid blocking the transmission and reception of signals.

[0034] A reinforcement block 305 is fixedly provided at the bottom of the limiting block 304, and a clamping block 306 is fixedly provided at the bottom of the reinforcement block 305. The limiting block 304 moving outward drives the reinforcement block 305 to move outward, so that the reinforcement block 305 moving outward drives the clamping block 306 to move outward. There are two groups of limiting blocks 304, reinforcement blocks 305, and clamping blocks 306, and they are symmetrically distributed, so that the two groups of clamping blocks 306 move back to back and clamp against the inner wall of the track side box 2, so that the wheel sensor 1 is fixed in the track side box 2.

[0035] A connecting rod 307 is rotatably inserted into the inner wall of the connecting block 3, and the outer wall of the connecting rod 307 is fixedly connected to the rotating screw 302. The two sets of rotating screws 302 are connected together by the connecting rod 307 to facilitate simultaneous rotation.

[0036] The rotating shaft 309 is movably inserted on the top of the connecting block 3, the second bevel gear 310 is fixedly arranged on the outer wall of the rotating shaft 309, the first bevel gear 308 is fixedly arranged on the outer wall of the connecting rod 307, and the first bevel gear 308 is meshed and connected with the outer wall of the second bevel gear 310, the user rotates the rotating shaft 309 clockwise, the rotating shaft 309 rotates clockwise, the second bevel gear 310 rotates clockwise, the outer wall of the second bevel gear 310 extrudes and pushes the first bevel gear 308, the first bevel gear 308 rotates counterclockwise, the connecting rod 307 is driven to rotate backward by the first bevel gear 308 rotating backward, the connecting rod 307 rotates backward, the two groups of rotating screws 302 rotate backward counterclockwise, the two groups of moving blocks 303 are driven to move away from each other, the two groups of limiting blocks 304 are driven to move outward and are clamped in the corresponding positioning blocks 205, and the two groups of limiting blocks 304 drive the two groups of abutting blocks 306 to move outward, so that the wheel sensor 1 and the protective plate 202 are fixed in the rail side box 2.

[0037] The positioning plate 4 is fixedly arranged on the outer wall of the rotating shaft 309, the perforations 402 are formed in the outer wall of the positioning plate 4, a plurality of groups of the perforations 402 are arranged, the plurality of groups of the perforations 402 correspond to different limiting positions, the size of the inner cavity of the rail side box 2 is selected, the application range is improved, the fixed screws 401 are movably inserted in the inner walls of the perforations 402, the top of the connecting block 3 is provided with a threaded hole, and the bottom of the fixed screw 401 is screwed in the threaded hole, when the abutting blocks 306 abut against the inner wall of the rail side box 2, the threaded hole is aligned with the corresponding perforation 402, the fixed screw 401 is inserted into the threaded hole through the perforation 402, and the fixed screw 401 is rotated, so that the fixed screw 401 is screwed in the threaded hole, the position of the positioning plate 4 is fixed, the positions of the limiting blocks 304 and the abutting blocks 306 are fixed, and the stability is further improved.

[0038] The top cover 204 is rotatably connected to the top of the protective plate 202 through a pin shaft, the top of the rail side box 2 is closed, the wheel sensor 1 is protected, the moving blocks 303 are movably clamped in the moving ports 301, and the moving range and the moving path of the moving blocks 303 are limited.

[0039] The abutting blocks 306 are fixedly adhered with anti-skid pads on the outer walls, so that the stability is improved.

[0040] Specifically, the working principle and the operation method of the utility model are as follows:

[0041] In use, the outlet for emitting and receiving reflected signals is rotated by rotating the protection plate 202 to adjust the direction of emitting and receiving signals according to actual needs, so as to adapt to different railway lines and train running directions, and after the outlet for emitting and receiving reflected signals is rotated to the corresponding direction, the user places the wheel sensor 1 in the trackside box 2, the limiting blocks 304 are aligned with the positioning blocks 205, the user rotates the rotating shaft 309 clockwise, the clockwise rotating rotating shaft 309 drives the second bevel gear 310 to rotate clockwise, the outer wall of the clockwise rotating second bevel gear 310 pushes and drives the first bevel gear 308 to rotate counterclockwise, the connecting rod 307 is driven to rotate backward by the backward rotating first bevel gear 308, the connecting rod 307 drives the two groups of rotating screws 302 to rotate counterclockwise backward, the two groups of moving blocks 303 are driven to move away from each other, the two groups of moving blocks 303 drive the two groups of limiting blocks 304 to move outward and be inserted and clamped in the corresponding positioning blocks 205, at this time, the wheel sensor 1 and the position state of the protection plate 202 are connected together, the radar emits microwave signals and receives reflected signals of the wheel sensor 1 are aligned with the protection plate 202, avoiding shielding the emission and reception of signals, and the two groups of limiting blocks 304 drive the two groups of abutting blocks 306 to move outward, so that the two groups of abutting blocks 306 abut in the inner wall of the trackside box 2, so as to fix the wheel sensor 1 and the protection plate 202 in the trackside box 2, which is convenient to use, and the two groups of limiting blocks 304 and the two groups of abutting blocks 306 are driven to move inward by reversing the rotating shaft 309, so that the two groups of limiting blocks 304 are away from the protection plate 202 and the two groups of abutting blocks 306 are away from the inner wall of the trackside box 2, at this time, the connecting block 3 is loose, so that the user can take out the wheel sensor 1 from the trackside box 2 for maintenance and inspection, which is simple and fast in operation and convenient to use.

[0042] In use, when the abutting blocks 306 abut against the inner wall of the trackside box 2, the threaded holes are aligned with the corresponding through holes 402, the fixed screws 401 are inserted into the threaded holes through the through holes 402, and the fixed screws 401 are tightened in the threaded holes by rotating the fixed screws 401, so as to fix the position of the positioning plate 4, thereby fixing the positions of the limiting blocks 304 and the abutting blocks 306, and further improving the stability.

[0043] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A railway vehicle detection device based on radar technology, comprising a wheel sensor (1) and a trackside box (2), wherein the wheel sensor (1) is arranged in the trackside box (2), and is characterized in that: A rotating assembly is provided on the top of the railside box (2), and the rotating assembly comprises: A protective plate (202) is fixedly provided with a slider (203) at its bottom, a slide groove (201) is provided on the top of the trackside box (2), and the slider (203) is movably engaged with the inner wall of the slide groove (201), and an outlet for transmitting and receiving reflected signals is provided on the protective plate (202); A positioning unit, comprising a connecting block (3), a moving block (303) and a limiting block (304); the connecting block (3) is fixedly arranged on the outer wall of the wheel sensor (1); the inner wall of the connecting block (3) is rotatably connected to a rotating screw (302) via a pin shaft, and the moving block (303) is threadedly connected to the outer wall of the rotating screw (302); the moving block (303) and the limiting block (304) are fixedly connected; a positioning block (205) is fixedly arranged on the inner wall of the protective plate (202), and the limiting block (304) is docked and clamped in the positioning block (205).

2. The railway vehicle detection device based on radar technology according to claim 1, characterized in that: A reinforcing block (305) is fixedly provided at the bottom of the limiting block (304), and a pressing block (306) is fixedly provided at the bottom of the reinforcing block (305).

3. The railway vehicle detection device based on radar technology according to claim 1, characterized in that: The inner wall of the connecting block (3) is rotatably plugged with a connecting rod (307), and the outer wall of the connecting rod (307) is fixedly connected to the rotating screw (302).

4. The radar-based railway vehicle detection device according to claim 3, characterized in that: A rotating shaft (309) is movably inserted into the top of the connecting block (3); a second bevel gear (310) is fixedly provided on the outer wall of the rotating shaft (309); a first bevel gear (308) is fixedly provided on the outer wall of the connecting rod (307); and the first bevel gear (308) and the outer wall of the second bevel gear (310) are meshed and connected together.

5. The railway vehicle detection device based on radar technology according to claim 4, characterized in that: A positioning plate (4) is fixedly provided on the outer wall of the rotating shaft (309), and a through hole (402) is opened on the outer wall of the positioning plate (4), and the through holes (402) are provided in multiple groups.

6. The railway vehicle detection device based on radar technology according to claim 5, characterized in that: A fixing screw (401) is movably inserted into the inner wall of the through hole (402), a threaded hole is provided on the top of the connecting block (3), and the bottom thread of the fixing screw (401) is screwed tightly into the threaded hole.

7. The railway vehicle detection device based on radar technology according to claim 1, characterized in that: The top of the protection plate (202) is rotatably connected to a top cover (204) via a pin shaft, a movable opening (301) is provided at the bottom of the connection block (3), and the movable block (303) is movably engaged in the movable opening (301).

8. The railway vehicle detection device based on radar technology according to claim 2, characterized in that: An anti-slip pad is fixedly adhered to the outer wall of the pressing block (306).

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