In-section level crossing protection system for railway wagon maintenance

Abstract

The utility model provides an in-section level crossing protection system for railway wagon maintenance, which relates to the field of railway equipment maintenance, and comprises a tractor used for dragging a railway wagon to move on a rail, a central controller and a brake assembly are arranged in the tractor, and the central controller is connected with the brake assembly; the protection device is arranged on the road of the level crossing; the protection device further comprises at least two deceleration strips. The deceleration strip is laid on the highway pavement of the level crossing; the deceleration strip comprises a vehicle facing face facing the vehicle coming direction, and a warning lamp strip is arranged on the vehicle facing face. And the main control device is respectively connected with the warning lamp strip and the central controller. The deceleration strip is arranged to decelerate the vehicle in advance, and the warning lamp strip is arranged on the deceleration strip and is bound to be in the view of people in the vehicle, so that the people in the vehicle can easily notice the warning condition, decelerate and brake in advance.

Description

Technical Field

[0001] This utility model relates to the field of railway equipment maintenance, and more specifically, to a level crossing protection system for railway freight car maintenance within a railway section. Background Technology

[0002] The level crossings within the truck maintenance depot experience frequent vehicle and pedestrian traffic. Buildings or other structures within the depot may obstruct visibility, making it difficult for drivers and pedestrians to spot oncoming vehicles in time. This could lead to accidents during truck towing, causing injuries or fatalities, and also disrupt maintenance work, affecting the overall progress. Therefore, effective safety measures are needed to reduce the risk of accidents. Currently, the warning devices at level crossings require manual operation, and roadside warning devices may be obstructed by obstacles, increasing the risk of accidents due to negligence. Utility Model Content

[0003] The purpose of this utility model is to provide a solution to improve the aforementioned problems. To achieve this purpose, the technical solution adopted by this utility model is as follows:

[0004] This application provides a level crossing protection system for railway freight car maintenance within a railway section, comprising:

[0005] A tractor unit is used to tow railway freight cars on the rails, and the tractor unit is equipped with a central controller and a braking assembly, the central controller being connected to the braking assembly.

[0006] A protective device is installed on the road at a level crossing; the protective device also includes at least two speed bumps; the speed bumps are laid on the road surface of the level crossing; the speed bumps include a facing surface facing the direction of oncoming traffic, and a warning light strip is installed on the facing surface;

[0007] The main control device is connected to both the warning light strip and the central controller.

[0008] Optionally, a support frame is embedded in the front face, and the support frame includes at least one support cell arranged along the speed bump.

[0009] The speed bump is provided with a light trough located inside the support compartment;

[0010] At least one of the warning light strips is embedded in the light groove.

[0011] Optionally, the speed bump's front surface is perpendicular to the ground and 4-7 cm above the ground;

[0012] The warning light strip is installed on the front surface of the vehicle and close to the ground.

[0013] Optionally, the warning light strip is a flexible light strip.

[0014] Optionally, the protective device includes a level crossing interceptor connected to the main control device, the level crossing interceptor being installed on the road surface near the level crossing.

[0015] Optionally, the protective device includes a safety sensor and an alarm respectively connected to the main control device. The safety sensor is located on the side of the level crossing interceptor device close to the rail, and the alarm is located above the safety sensor.

[0016] Optionally, the crossing interception device can be either a barrier gate or a retractable gate.

[0017] Optionally, the safety sensor is a safety light curtain.

[0018] Optionally, the tractor is connected to the railway freight car via an automatic coupler.

[0019] Optionally, the automatic coupler is equipped with a traction operation sensor connected to the central controller.

[0020] The beneficial effects of this utility model are as follows:

[0021] This application provides an automatic protection system for level crossings within railway freight car maintenance sections. It uses speed bumps to slow vehicles down in advance, and warning lights are installed on the speed bumps. These warning lights are always within the field of vision of personnel inside the vehicle, making it easy for them to notice the warning and slow down or brake in advance. When there is no traction operation, the warning lights are off, allowing pedestrians and vehicles to cross the intersection. Once the tractor begins operation, the central controller sends the information about the start of traction work to the main control unit, which then activates the warning lights to achieve automatic protection.

[0022] Other features and advantages of this invention will be set forth in the following description, and will be apparent in part from the description, or may be learned by practicing embodiments of this invention. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a diagram showing the on-site equipment layout of the level crossing protection system for railway freight car maintenance in this embodiment of the application.

[0025] Figure 2 This is a schematic diagram of the structure of the level crossing protection system for railway freight car maintenance in this application embodiment;

[0026] Figure 3 This is a schematic diagram of the speed bump structure in an embodiment of this application;

[0027] Figure 4 This is a schematic diagram of the structure of the safety sensor and alarm in the embodiments of this application.

[0028] Symbol explanation: 100, tractor; 200, protective device; 210, speed bump; 211, light trough; 220, level crossing interception device; 230, safety sensor; 240, alarm; 300, main control device; 400, railway freight car; 500, highway; 600, maintenance depot. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. The components of the embodiments of this utility model described and shown in the accompanying drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely to illustrate selected embodiments of the utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0030] It should be noted that similar reference numerals and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Furthermore, in the description of this utility model, terms such as "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0031] like Figure 1 and Figure 2 As shown, this application provides a level crossing protection system for railway freight car maintenance within a railway section, comprising:

[0032] The tractor 100 is used to move the railway freight car 400 on the rails, and the tractor 100 is equipped with a central controller and a braking assembly, the central controller being connected to the braking assembly; the tractor 100 performs traction operations through automatic driving or remote control, and is used to transfer the railway freight car 400 from the maintenance depot 600 that has completed maintenance to the next maintenance depot 600.

[0033] A protective device 200 is installed on a road 500 at a level crossing; the protective device 200 also includes at least two speed bumps 210; the speed bumps 210 are laid on the road surface of the road 500 at the level crossing; the speed bumps 210 include a front surface facing the direction of oncoming vehicles, and a warning light strip is provided on the front surface.

[0034] The main control device 300 is connected to the warning light strip and the central controller.

[0035] Warning devices at typical level crossings are usually installed on the side of the road near the intersection. Sometimes, due to obstructions, people inside vehicles may not notice the warning devices. This application uses speed bumps 210 to remind vehicles to slow down, and a warning light strip is installed on the speed bumps 210. The warning light strip is guaranteed to be within the field of vision of people inside the vehicle, making it easy for them to notice the warning situation and slow down and brake in advance.

[0036] When there is no towing operation, the protective device 200 is in the closed state, and pedestrians and vehicles can pass through the intersection. After the towing vehicle 100 starts working, the information that the towing vehicle 100 has started towing operation can be sent to the main control device 300 through the central controller. The main control device 300 then controls the activation of the protective device 200 to achieve automatic protection.

[0037] To prevent the warning light strip from being frequently damaged by vehicles during use, as an optional implementation, a support frame is embedded in the front face of the vehicle. The support frame includes at least one support compartment arranged along the speed bump 210; a light groove 211 is provided on the speed bump 210 within the support compartment; at least one warning light strip is embedded in the light groove 211. The support frame supports the surface of the speed bump 210, and the warning light strip, positioned in the light groove 211, is not subjected to vehicle pressure. Several drainage holes can be provided in the light groove 211 for drainage during rainy weather, preventing the warning light strip from being submerged by rainwater.

[0038] The warning light strip can be set to flashing mode when it is in operation. Compared with the constant light mode, the flashing light is more likely to attract attention.

[0039] As an optional implementation, the speed bump 210 has its facing surface perpendicular to the ground and 4-7 cm above the ground; the warning light strip is installed on the facing surface and close to the ground. Because the facing surface is perpendicular to the ground, the wheels will not run over it when passing over it, thus providing better protection for the warning light strip.

[0040] As an optional implementation, the warning light strip is a flexible light strip that can be deformed under external force and is not easily damaged.

[0041] As an optional implementation, the protective device 200 further includes a level crossing interceptor 220 connected to the main control device 300. The level crossing interceptor 220 is installed on the road surface 500 near the level crossing to prevent pedestrians or vehicles from entering the intersection. Specifically, the level crossing interceptor 220 can be either a barrier gate or a retractable gate. The level crossing interceptor 220 is also controlled by the main control device 300. During towing operations, it controls the barrier gate to raise or the retractable gate to close the road; when not performing towing operations, it opens the barrier gate or the retractable gate to allow pedestrians and vehicles to pass.

[0042] To prevent safety accidents, as an optional implementation, the protective device 200 further includes a safety sensor 230 and an alarm 240, respectively connected to the main control device 300. The safety sensor 230 is located on the side of the level crossing interceptor 220 near the rail, and the alarm 240 is located above the safety sensor 230. When the tractor 100 is performing traction operations, the main control device 300 activates the safety sensor 230 and the alarm 240. The safety sensor 230 is used to detect whether pedestrians or vehicles have entered the warning zone, and the alarm 240 is an audible and visual alarm 240, used to emit a red light and an alarm sound during traction operations to remind vehicles and pedestrians to stop passing. If the safety sensor 230 detects a pedestrian or vehicle entering the warning zone, it controls the audible and visual alarm 240 to change the light color (or change from constant light to flashing) and sound an alarm. Simultaneously, it sends a signal to the main control unit 300, which in turn sends a signal to the central controller of the tractor unit 100. The central controller then activates the braking components to immediately stop the tractor unit 100, preventing further escalation of the accident. The braking components are the control devices that regulate vehicle deceleration or stopping, such as brake pads, brake discs, brake drums, master cylinders, and brake discs. After the accident is resolved, the main control unit 300 sends a signal instructing the tractor unit 100 to continue towing operations.

[0043] Preferably, the safety sensor 230 is a safety light curtain. A safety light curtain is a critical safety protection device, primarily used to monitor and prevent people or objects from entering hazardous areas. It consists of a photoelectric transmitter and a receiver, detecting whether people or objects have entered the hazardous area by emitting a light beam and detecting the reflected light.

[0044] In this embodiment, the main control device 300 integrates a vehicle body maintenance management system based on a Manufacturing Execution System (MES). The main control device 300 can communicate with the warning light strip, safety sensor 230, and alarm 240 via cable or wireless connection, and communicates with the central controller of the tractor 100 via a wireless communication module. The central controller is electrically connected to the braking assembly.

[0045] As an optional implementation, the tractor 100 is connected to the railway freight car 400 via an automatic coupler. Automatic couplers, such as the SCHARFENBERG automatic coupler, enable automatic coupling of railway vehicles. When coupling is required, the two couplers approach each other at a predetermined speed, and the couplers can automatically counteract each other within a large lateral and vertical range.

[0046] As an optional implementation, the automatic coupler is equipped with a traction operation sensor electrically connected to the central controller. The traction operation sensor is used to detect whether the tractor 100 has started traction operation. The traction operation sensor can be a photoelectric distance measuring sensor. When the tractor 100 is connected to the railway freight car 400, the photoelectric distance measuring sensor on the automatic coupler will measure the distance data from the railway freight car 400. The central controller determines to start traction operation based on the measurement data and instructs the main control device 300 to control the activation of the protection device 200.

[0047] To improve safety, vehicles need to be warned in advance before the road is closed to prevent collisions with the roadblock device 220. Therefore, preferably, upon detecting towing operations, the warning lights, safety sensors 230, and alarm 240 should be activated immediately, followed by a 10-15 second interval before activating the roadblock device 220 to close the road. This prevents collisions between vehicles and the roadblock device 220 and allows vehicles and pedestrians sufficient time to leave the warning area.

[0048] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

[0049] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A level crossing protection system for railway freight car maintenance within a railway section, characterized in that, include: A tractor (100) is used to tract a railway freight car (400) to move on the rails, and the tractor (100) is provided with a central controller and a braking assembly, the central controller being connected to the braking assembly; A protective device (200) is installed on a road (500) at a level crossing; the protective device (200) also includes at least two speed bumps (210); the speed bumps (210) are laid on the road surface of the level crossing; the speed bumps (210) include a facing surface facing the direction of oncoming traffic, and a warning light strip is provided on the facing surface; The main control device (300) is connected to the warning light strip and the central controller respectively.

2. The railway freight car maintenance section level crossing protection system according to claim 1, characterized in that, The front face is embedded with a support frame, which includes at least one support cell arranged along the speed bump. The speed bump is provided with a light trough (211) located in the support compartment. At least one of the warning light strips is embedded in the light groove (211).

3. The railway freight car maintenance section level crossing protection system according to claim 2, characterized in that, The speed bump (210) has its front surface perpendicular to the ground and is 4-7 cm higher than the ground. The warning light strip is installed on the front surface of the vehicle and close to the ground.

4. The railway freight car maintenance section level crossing protection system according to claim 1, characterized in that, The warning light strip is a flexible light strip.

5. The railway freight car maintenance section level crossing protection system according to claim 1, characterized in that, The protective device (200) includes a level crossing interceptor (220) connected to the main control device (300), and the level crossing interceptor (220) is installed on the road surface near the level crossing.

6. The railway freight car maintenance section level crossing protection system according to claim 5, characterized in that, The protective device (200) includes a safety sensor (230) and an alarm (240) respectively connected to the main control device (300). The safety sensor (230) is located on the side of the level crossing interceptor (220) near the rail, and the alarm (240) is located above the safety sensor (230).

7. The railway freight car maintenance section level crossing protection system according to claim 5, characterized in that, The crossing interception device (220) can be either a barrier gate or a telescopic gate.

8. The railway freight car maintenance section level crossing protection system according to claim 6, characterized in that, The safety sensor (230) is a safety light curtain.

9. The railway freight car maintenance section level crossing protection system according to claim 1, characterized in that, The tractor (100) is connected to the railway freight car (400) via an automatic coupler.

10. The railway freight car maintenance section level crossing protection system according to claim 9, characterized in that, The automatic coupler is equipped with a traction operation sensor that is connected to the central controller.

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