Derailing detection device
By introducing a beam structure, lidar, vibration damping structure, and locking structure into the derailment detection device, the problems of reduced detection accuracy and lifespan of sensors caused by vibration during train operation have been solved, achieving real-time accurate detection and improving the safety of the device.
Patent Information
- Application Number
- CN202520158842.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-01-23
AI Technical Summary
In existing derailment detection systems, the sensors suffer from poor shock absorption during train operation, making it difficult to guarantee detection accuracy and shortening their service life.
The system employs a beam structure, housing a lidar and derailment detection sensor. Combined with a shock-absorbing and locking structure, it ensures that the sensor is unaffected by vibrations during train operation. Furthermore, a track clearing structure removes obstacles, improving detection accuracy and extending the device's lifespan.
This enables real-time and accurate detection of the track during train operation, extends the lifespan of the sensors, and improves the safety and ease of maintenance of the device.
Smart Images
Figure CN223949159U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to derailment detection technical field, concretely is a derailment detection device. BACKGROUND
[0002] Derailment detection is an important technology in railway safety management, which aims to detect the risk of train derailment through monitoring track conditions and train operation parameters, so as to ensure the safe operation of trains. In the future, derailment detection technology will increasingly rely on intelligent solutions such as big data analysis, Internet of Things, artificial intelligence, etc. Through the comprehensive use of these technologies, more accurate monitoring and prediction can be achieved.
[0003] The existing derailment detection system usually uses a fixed support to install sensors at the bottom of the train, so that they are located above the rails and can detect track conditions in real time to ensure the safety of train travel. However, due to the vibration of the train during operation, the sensor cannot effectively reduce the vibration, which makes it difficult to ensure the accuracy of the detection, and also shortens the service life of the derailment detection device. Therefore, we propose a derailment detection device. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a derailment detection device to solve the problems raised in the background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a derailment detection device, comprising a crossbeam, both ends of the crossbeam are fixedly connected with mounting plates, two mounting holes are formed in the top of each mounting plate, a laser radar is fixedly installed on one side of the crossbeam, two upper supports are fixedly connected with the top of the crossbeam, a lower support is slidably connected with one side of each upper support, a damping structure is arranged in each upper support, the damping structure is used for buffering the two lower supports, a detection frame is fixedly connected with one side of each lower support, a derailment detection sensor is arranged between the inner walls of each detection frame, a locking structure is arranged on the top of each detection frame, and the locking structure is used for locking the two derailment detection sensors.
[0006] As a further preferred embodiment of the present technical solution, the damping structure comprises two damping grooves, each damping groove is formed on one side of each upper support, and each damping groove penetrates through each upper support. A limiting rod is fixedly connected between the inner walls of each damping groove, a damping block is slidably connected with the outer side of each limiting rod, and each damping block is fixedly connected with one side of each lower support.
[0007] As a further preferred embodiment of the present technical solution, a damping spring is fixedly connected between each damping block and the inner side of each damping groove, and each damping spring is located on the outer side of each limiting rod.
[0008] As a further preferred of the technical solution, the locking assembly comprises two sliding grooves, the two sliding grooves are respectively arranged on the top of the two detection frames, the inner walls of the two sliding grooves are fixedly connected with limiting blocks, and the inner walls of the two sliding grooves are fixedly connected with guide rods, and the two guide rods respectively pass through the two limiting blocks.
[0009] As a further preferred of the technical solution, the outer sides of the two guide rods are slidably connected with two moving blocks, one side of each of the four moving blocks is fixedly connected with an L-shaped connecting block, the four L-shaped connecting blocks are slidably connected on the outer sides of the two detection frames respectively, the bottoms of the four L-shaped connecting blocks are fixedly connected with locking blocks, and the four locking blocks are respectively in contact with the bottoms of the two derailment detection sensors.
[0010] As a further preferred of the technical solution, two reset springs are fixedly connected between the four moving blocks.
[0011] As a further preferred of the technical solution, one side of each of the two upper supports is fixedly connected with a connecting rod, one end of each of the two connecting rods is fixedly connected with a barrier clearing beam, and both ends of the barrier clearing beam are fixedly connected with barrier clearing blocks.
[0012] The utility model provides a kind of derailment detection device, with the following beneficial effects:
[0013] (1) the utility model discloses a laser radar is monitored in advance track condition, and utilizes the derailment detection sensor in two detection frames, real-time monitoring is carried out to track in the process of train travel, effectively avoid the situation of train derailment, ensure travel safety, simultaneously adopt shock-absorbing structure to protect two derailment detection sensors, improve the accuracy of detection, and prolong the service life of derailment detection device, in addition, the locking structure is set, two derailment detection sensors can be locked, and the convenience of disassembly and maintenance is improved.
[0014] (2) the utility model discloses the barrier clearing beam of connecting rod one end is cleaned to the barrier on track, simultaneously utilizes two barrier clearing blocks to clean rail, to further improve the use safety of derailment detection device. ACCURACY
[0015] Figure 1 it is the three-dimensional structure schematic view of the utility model;
[0016] Figure 2 it is the lower support structure schematic view of the utility model;
[0017] Figure 3 it is the detection frame structure schematic view of the utility model;
[0018] Figure 4 The utility model discloses a mobile block structure schematic view;
[0019] In the drawing: 1, crossbeam, 2, mounting plate, 3, mounting hole, 4, upper support, 5, laser radar, 6, shock absorption groove, 7, limiting rod, 8, shock absorbing spring, 9, connecting rod, 10, barrier beam, 11, barrier block, 12, shock absorbing block, 13, lower support, 14, detection frame, 15, reset spring, 16, mobile block, 17, L type connecting block, 18, locking block, 19, derailment detection sensor, 20, sliding slot, 21, limiting block, 22, guide rod. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.
[0021] The utility model provides technical scheme: as Figures 1-4 As shown in the drawing, in the embodiment, a derailment detection device includes crossbeam 1, both ends of crossbeam 1 are fixedly connected with mounting plate 2, the top of two mounting plates 2 is equipped with two mounting holes 3, the side of crossbeam 1 is fixedly installed with laser radar 5, the top of crossbeam 1 is fixedly connected with two upper supports 4, the side of two upper supports 4 is slidably connected with lower support 13, the inside of two upper supports 4 is provided with shock absorbing structure, and the shock absorbing structure is used to buffer two lower supports 13, the side of two lower supports 13 is fixedly connected with detection frame 14, and the inner wall between two detection frames 14 is provided with derailment detection sensor 19, and the top of two detection frames 14 is provided with locking structure, and the locking structure is used to lock two derailment detection sensors 19, the side of two upper supports 4 is fixedly connected with connecting rod 9, and one end of two connecting rods 9 is fixedly connected with barrier beam 10, and the both ends of barrier beam 10 are fixedly connected with barrier block 11.
[0022] In use, the beam 1 is first installed at the bottom of the train through the four mounting holes 3 on the two mounting plates 2, then the two derailment detection sensors 19 (specifically OP series electro-optical sensors, with the signal transmission end connected to the terminal control system) are respectively placed inside the two detection frames 14, and then the two derailment detection sensors 19 are respectively locked inside the two detection frames 14 through the locking structure, and the two derailment detection sensors 19 are located above the rails. Then, when the train is running, the laser radar 5 (specifically a long-range 3D laser radar 5) can collect three-dimensional data of the road conditions in front of the track in advance and transmit it to the terminal control system of the train. The two derailment detection sensors 19 can detect the rails in real time. In the process of running, the damping structure can protect the derailment detection sensor 19 by reducing the impact. Once the risk of derailment is found, the terminal control system will immediately issue an alarm to notify relevant personnel to take measures to avoid accidents caused by train derailment. Thus, the life safety of passengers and staff can be protected, and the casualties and losses caused by derailment can be reduced.
[0023] The upper support 4 is provided with a barrier removal structure composed of a connecting rod 9, a barrier removal beam 10 and a barrier removal block 11, which can effectively remove debris such as stones and bird droppings splashed above the rails, further improving the use safety of the derailment detection device.
[0024] As shown in Figures 1-4 The damping structure includes two damping grooves 6, which are respectively provided on one side of the two upper supports 4 and respectively penetrate the two upper supports 4. The inner walls of the two damping grooves 6 are fixedly connected with a limiting rod 7, the outer sides of the two limiting rods 7 are slidably connected with a damping block 12, the two damping blocks 12 are respectively fixedly connected with one side of the two lower supports 13, and the two damping blocks 12 are respectively fixedly connected with the inner sides of the two damping grooves 6 with a damping spring 8.
[0025] The two damping springs 8 made of high-carbon steel material respectively press down the damping block 12 between the inner walls of the two damping grooves 6, limiting the movement of the two damping blocks 12 outside the two limiting rods 7, thereby improving the safety of the derailment detection device.
[0026] As shown in Figures 1-4As shown, the locking assembly comprises two sliding grooves 20 respectively formed at the top of the two detection frames 14, the inner walls of the two sliding grooves 20 are fixedly connected with limiting blocks 21, the inner walls of the two sliding grooves 20 are fixedly connected with guide rods 22, the two guide rods 22 respectively pass through the two limiting blocks 21, the outer sides of the two guide rods 22 are slidably connected with two moving blocks 16, one side of the four moving blocks 16 is fixedly connected with L-shaped connecting blocks 17, the four L-shaped connecting blocks 17 are slidably connected on the outer sides of the two detection frames 14 respectively, the bottoms of the four L-shaped connecting blocks 17 are fixedly connected with locking blocks 18, the four locking blocks 18 respectively contact with the bottoms of the two derailment detection sensors 19, and the four moving blocks 16 are fixedly connected with two reset springs 15 respectively.
[0027] By pushing the four moving blocks 16 to move between the inner walls of the two sliding grooves 20, and making the four moving blocks 16 move on the outer sides of the two guide rods 22, the two reset springs 15 made of high-carbon steel material are stretched, and then the resilience of the two reset springs 15 made of high-carbon steel material drives the four L-shaped connecting blocks 17 to move on the outer sides of the two detection frames 14 respectively, so that the four moving blocks 16 abut against the two limiting blocks 21 respectively, and the four locking blocks 18 lock the two derailment detection sensors 19 respectively, thereby improving the stability of the derailment detection device.
[0028] The utility model provides a kind of derailment detection device, specific working principle is as follows:in the use process of derailment detection device, first laser radar 5 can collect the three-dimensional data of track front road condition in advance and transmit to the terminal control system of train, while two derailment detection sensors 19 located above rail can carry out real-time detection to rail, during detection, by the damping structure of limiting rod 7, shock-absorbing spring 8, shock-absorbing block 12 and lower support 13, derailment detection sensor 19 is protected by shock-absorbing buffering, one side of upper support 4 is provided with the obstacle removing structure of connecting rod 9, barrier beam 10 and barrier block 11, can effectively remove the debris, bird droppings and other sundries splashed above rail, under multiple protection, so that two derailment detection sensors 19 can stably and safely carry out real-time detection to rail, and detection data is real-time transported to train terminal control system, so that trainman adjusts the running state of train according to specific detection data, improves the safety of train running.
[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A derailment detection device comprising a crosspiece (1), characterised in that: Both ends of the cross beam (1) are fixedly connected with mounting plates (2), the top of the two mounting plates (2) is provided with two mounting holes (3), one side of the cross beam (1) is fixedly connected with a laser radar (5), the top of the cross beam (1) is fixedly connected with two upper supports (4), one side of the two upper supports (4) is slidably connected with lower supports (13), the two upper supports (4) are provided with damping structures, the damping structures are used for buffering the two lower supports (13), one side of the two lower supports (13) is fixedly connected with detection frames (14), the inner walls of the two detection frames (14) are provided with derailment detection sensors (19), the top of the two detection frames (14) is provided with locking structures, and the locking structures are used for locking the two derailment detection sensors (19).
2. The derailment detection device of claim 1, wherein: The damping structure comprises two damping grooves (6), the two damping grooves (6) are respectively arranged on one side of the two upper supports (4), the two damping grooves (6) respectively penetrate the two upper supports (4), the inner walls of the two damping grooves (6) are fixedly connected with limiting rods (7), the outer sides of the two limiting rods (7) are slidably connected with damping blocks (12), and the two damping blocks (12) are respectively fixedly connected with one side of the two lower supports (13).
3. A derailment detection device according to claim 2, characterised in that: The two damping blocks (12) are respectively fixedly connected with the inner sides of the two damping grooves (6), and the two damping springs (8) are respectively located on the outer sides of the two limiting rods (7).
4. The derailment detection device of claim 1, wherein: It also comprises a locking assembly, the locking assembly comprises two sliding grooves (20), the two sliding grooves (20) are respectively arranged on the top of the two detection frames (14), the inner walls of the two sliding grooves (20) are fixedly connected with limiting blocks (21), and the inner walls of the two sliding grooves (20) are fixedly connected with guide rods (22), the two guide rods (22) respectively penetrate the two limiting blocks (21).
5. A derailment detection device according to claim 4, characterised in that: The outer sides of the two guide rods (22) are slidably connected with two moving blocks (16), one side of the four moving blocks (16) is fixedly connected with L-shaped connecting blocks (17), the four L-shaped connecting blocks (17) are respectively slidably connected on the outer sides of the two detection frames (14), the bottoms of the four L-shaped connecting blocks (17) are fixedly connected with locking blocks (18), and the four locking blocks (18) are respectively in contact with the bottoms of the two derailment detection sensors (19).
6. A derailment detection device according to claim 5, characterised in that: The four moving blocks (16) are respectively fixedly connected with two reset springs (15).
7. The derailment detection device of claim 1, wherein: One side of the two upper supports (4) is fixedly connected with connecting rods (9), one end of the two connecting rods (9) is fixedly connected with an obstacle removing beam (10), and the two ends of the obstacle removing beam (10) are fixedly connected with obstacle removing blocks (11).