Automatic train step

Abstract

An automatic train step includes: a base, a top cover, and an extension plate. The top cover covers the upper surface of the base, and the extension plate is retractable relative to the base. The base contains a transmission chain groove and a telescopic motor assembly. A transmission chain is housed within the transmission chain groove. The first drive gear of the telescopic motor assembly meshes with the transmission chain. The extension plate and a sliding plate are connected as a single unit via hinges. The lower end of the sliding plate is fixedly connected to a connecting bracket, which is connected to the transmission chain. The extension plate and the sliding plate are retracted by the first drive gear driven by the telescopic motor assembly, which in turn drives the transmission chain. This invention provides a simple and reliable automatic train step by using a transmission chain groove in the base, a telescopic motor assembly, a hinged connection between the sliding plate and the extension plate, and a motor assembly for overall forward and backward movement. It also incorporates sensors and infrared detection. This solves the problem of manually laying metal plates between the train and the platform and the complexity of existing automatic systems.

Description

Technical Field

[0001] This utility model relates to a train auxiliary device, and more particularly to an automatic train pedal. Background Technology

[0002] In railway transportation, when a train stops at a platform, there is often a gap between the train carriage and the platform, which can cause inconvenience and safety hazards for passengers getting on and off. The traditional solution usually relies on train attendants manually placing a metal plate to bridge the gap and ensure passenger safety. This manual operation is not only inefficient but also susceptible to human error, leading to delays or unstable placement.

[0003] In existing technologies, some trains are equipped with automatic pedal systems that use motors to extend or flip pedals to automatically level gaps. For example, some designs use motor-controlled pedals to extend from the bottom of the carriage or flip downwards to cover gaps. However, these existing solutions are often structurally complex, involving multi-stage transmission mechanisms, complex control circuits, and mechanical components, resulting in high manufacturing costs, difficult maintenance, and a high failure rate. Furthermore, in practical applications, they may occupy excessive space or affect the overall train design. In addition, existing automatic pedal systems lack precise sensing and control mechanisms during extension and retraction, making them prone to incomplete extension or retraction, further increasing safety risks. Utility Model Content

[0004] An automatic train pedal includes: a bottom shell (1), a top cover (2), and an extension plate (6). The top cover (2) covers the upper end face of the bottom shell (1). The extension plate (6) can extend and retract relative to the bottom shell (1). The bottom shell (1) is provided with a transmission chain groove (3) and a telescopic motor assembly (4). The transmission chain groove (3) is provided with a transmission chain (31). The first drive gear of the telescopic motor assembly (4) meshes with the transmission chain (31). The extension plate (6) and the sliding plate (5) are connected as a whole by a hinge. The lower end of the sliding plate (5) is fixedly connected to a connecting code (51). The connecting code (51) is connected to the transmission chain (31). The extension plate (6) and the sliding plate (5) are driven by the first drive gear of the telescopic motor assembly (4) to drive the transmission chain (31) to perform telescopic movement.

[0005] This utility model provides a simple and reliable automatic train pedal by providing a transmission chain groove (3), a telescopic motor group (4), a sliding plate (5), and an extension plate (6) in the bottom shell (1) through a hinge connection and driven by the transmission chain (31) for telescopic movement, and a travel motor group (81) to achieve overall forward and backward movement. It is equipped with a sensor and infrared detection.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: An automatic train pedal includes: a bottom shell (1), a top cover (2), and an extension plate (6). The top cover (2) covers the upper end face of the bottom shell (1). The extension plate (6) can extend and retract relative to the bottom shell (1). The bottom shell (1) is provided with a transmission chain groove (3) and a telescopic motor assembly (4). The transmission chain groove (3) is provided with a transmission chain (31). The first drive gear of the telescopic motor assembly (4) meshes with the transmission chain (31). The extension plate (6) and the sliding plate (5) are connected as a whole by a hinge. The lower end of the sliding plate (5) is fixedly connected to a connecting code (51). The connecting code (51) is connected to the transmission chain (31). The extension plate (6) and the sliding plate (5) are driven by the first drive gear of the telescopic motor assembly (4) to drive the transmission chain (31) to perform telescopic movement.

[0007] Further configuration includes a reset sensor (71), a position sensor (72), and a sensor plate (52) fixed on the lower end face of the sliding plate (5). When the telescopic motor assembly (4) rotates forward and drives the extension plate (6) to fully extend out of the bottom shell (1), the sensor plate (52) is sensed by the position sensor (72). After the position sensor (72) sends a signal to the main control board (92) inside the bottom shell (1), the main control board (92) controls the telescopic motor assembly (4) to stop. When the extension plate (6) fully extends out of the bottom shell (1), the extension plate (6) hangs down and contacts the ground.

[0008] Further configuration: when the telescopic motor unit (4) reverses and drives the extension plate (6) to fully retract into the bottom shell (1), the sensor (52) is sensed by the reset sensor (71). After the reset sensor (71) sends a signal to the main control board (92) inside the bottom shell (1), the main control board (92) controls the telescopic motor unit (4) to stop.

[0009] Further configuration: the bottom surface of the bottom shell (1) is provided with a motor assembly (81), a drive wheel (84), and a driven wheel. The motor assembly (81) is fixedly connected to the second drive gear (82), and the drive wheel (84) is fixedly connected to the driven gear (83). The second drive gear (82) meshes with the driven gear (83). The motor assembly (81) runs to drive the drive wheel (84) to rotate, and the drive wheel (84) rotates to drive the whole unit to move forward and backward.

[0010] Further configuration: an infrared detection probe (91) is installed inside the bottom shell (1). The infrared detection probe (91) is connected to the main control board (92) inside the bottom shell (1). When the infrared detection probe (91) detects an infrared signal, it sends a signal to the main control board (92). After receiving the signal, the main control board (92) controls the traveling motor unit (81) to stop.

[0011] Further configuration: a battery (93) is installed inside the bottom shell (1), which supplies power to the main control board (92), the telescopic motor assembly (4), and the travel motor assembly (81).

[0012] Further configuration: when the drive wheel (84) rotates to drive the whole forward and backward movement and encounters an obstacle, causing the movement to be obstructed, the current of the travel motor (81) will increase. When the main control board (92) detects the increase in the current of the travel motor (81), it will control the travel motor (81) to stop to avoid crushing.

[0013] This utility model provides a simple and reliable automatic train pedal by providing a transmission chain groove (3), a telescopic motor group (4), a sliding plate (5), and an extension plate (6) in the bottom shell (1) through a hinge connection and driven by the transmission chain (31) for telescopic movement, and a travel motor group (81) to achieve overall forward and backward movement. It is equipped with a sensor and infrared detection. Attached Figure Description

[0014] Figure 1 This is a perspective view of the extended plate of this utility model in its non-extended state; Figure 2 This is a perspective view of the extended plate of this utility model in its extended state; Figure 3 This is a perspective view of the extended plate of this utility model in the extended state without the top cover; Figure 4 This is a perspective view of the present invention with the protruding plate retracted in the retracted state, without the top cover and the protruding plate. Figure 5 This is a perspective view of the extended plate of this utility model in its extended state, without the top cover and the extended plate itself. In the picture: Bottom shell 1, Top cover 2, Transmission chain groove 3, transmission chain 31, telescopic motor assembly 4, first drive gear, Sliding plate 5, connecting code 51, sensing plate 52, extending plate 6 Reset sensor 71, Position sensor 72 81. Drive motor assembly; 82. Second drive gear; 83. Driven gear; 84. Drive wheel. Infrared detection probe 91, main control board 92, battery 93. Detailed Implementation

[0015] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0016] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0017] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views showing the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, in actual manufacturing, the three-dimensional spatial dimensions of length, width, and depth should be included.

[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0019] like Figures 1 to 5 As shown, this utility model provides an automatic train pedal, including a base shell 1, a top cover 2, and an extension plate 6. The top cover 2 covers the upper surface of the base shell 1, and the extension plate 6 is retractable relative to the base shell 1. The base shell 1 contains a transmission chain groove 3 and a telescopic motor assembly 4. A transmission chain 31 is housed within the transmission chain groove 3, and the first drive gear of the telescopic motor assembly 4 meshes with the transmission chain 31. The extension plate 6 and a sliding plate 5 are connected as a single unit via a hinge. The lower end of the sliding plate 5 is fixedly connected to a connecting bracket 51, which is connected to the transmission chain 31. The extension plate 6 and the sliding plate 5 are retracted by the first drive gear driven by the telescopic motor assembly 4, which in turn drives the transmission chain 31.

[0020] Furthermore, a reset sensor 71 and a position sensor 72 are also provided inside the base shell 1, and a sensing plate 52 is fixed to the lower end face of the sliding plate 5. When the telescopic motor assembly 4 drives the extension plate 6 to fully extend out of the base shell 1, the sensing plate 52 is sensed by the position sensor 72, which sends a signal to the main control board 92 inside the base shell 1. After receiving the signal, the main control board 92 controls the telescopic motor assembly 4 to stop. At this time, the extension plate 6 fully extends out of the base shell 1 and hangs down to contact the ground (e.g., Figure 2 and Figure 3 As shown in the figure, it realizes the function of bridging the gap between the train and the platform.

[0021] When the telescopic motor unit 4 reverses and drives the extension plate 6 to fully retract into the bottom shell 1, the induction plate 52 is sensed by the reset sensor 71. The reset sensor 71 sends a signal to the main control board 92, and after receiving the signal, the main control board 92 controls the telescopic motor unit 4 to stop (e.g., Figure 1 and Figure 4 (As shown), ensure the extension plate 6 is safely retracted.

[0022] The bottom surface of the base shell 1 is provided with a travel motor assembly 81, a driving wheel 84, and a driven wheel. The travel motor assembly 81 is fixedly connected to a second driving gear 82, and the driving wheel 84 is fixedly connected to a driven gear 83. The second driving gear 82 and the driven gear 83 mesh. When the travel motor assembly 81 is running, it drives the second driving gear 82 to rotate, which in turn drives the driving wheel 84 to rotate through the driven gear 83, thereby driving the entire device forward or backward (e.g., ...). Figure 2-5 (As shown), it is easy to adjust the position to accurately cover the gap.

[0023] An infrared detection probe 91 is installed inside the bottom shell 1, and the infrared detection probe 91 is connected to the main control board 92. When the infrared detection probe 91 detects an infrared signal (such as an obstacle or a person), it sends a signal to the main control board 92. After receiving the signal, the main control board 92 controls the travel motor unit 81 to stop to avoid collision.

[0024] The bottom shell 1 is also equipped with a battery 93, which supplies power to the main control board 92, the telescopic motor group 4 and the travel motor group 81, ensuring that the device operates normally without external power.

[0025] During the process of the drive wheel 84 rotating to drive the whole forward and backward, if it encounters an obstacle that obstructs the movement, the current of the travel motor 81 will increase. The main control board 92 will detect the increase in current and control the travel motor 81 to stop in order to avoid crushing or damage.

[0026] The working process of this utility model is as follows: When the train stops at the platform, the main control board 92 controls the telescopic motor assembly 4 to rotate forward, driving the transmission chain 31 to extend the sliding plate 5 and the extension plate 6 until the sensing plate 52 triggers the positioning sensor 72, at which point the main control board 92 stops, and the extension plate 6 hangs down to contact the ground. Simultaneously, the overall position can be adjusted via the travel motor assembly 81. If the infrared detection probe 91 or current monitoring detects an obstacle, the main control board 92 immediately stops. After passengers have boarded and alighted, the main control board 92 controls the telescopic motor assembly 4 to rotate in reverse, retracting the extension plate 6 until the reset sensor 71 triggers the stop.

[0027] This invention has a simple structure, employs chain drive and sensor control, reduces complex mechanical components, and improves reliability and safety.

[0028] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An automatic train step, comprising: The bottom shell (1), the top cover (2), and the extension plate (6) are provided. The top cover (2) covers the upper end face of the bottom shell (1). The extension plate (6) can extend and retract relative to the bottom shell (1). The bottom shell (1) is provided with a transmission chain groove (3) and a telescopic motor assembly (4). The transmission chain groove (3) is provided with a transmission chain (31). The first drive gear of the telescopic motor assembly (4) meshes with the transmission chain (31). The extension plate (6) and the sliding plate (5) are connected as a whole by a hinge. The lower end of the sliding plate (5) is fixedly connected to the connecting code (51). The connecting code (51) is connected to the transmission chain (31). The extension plate (6) and the sliding plate (5) are driven by the first drive gear of the telescopic motor assembly (4) to drive the transmission chain (31) to perform telescopic movement.

2. The automatic train platform of claim 1, wherein, The bottom shell (1) is equipped with a reset sensor (71) and a position sensor (72). A sensor plate (52) is fixed on the lower end face of the sliding plate (5). When the telescopic motor group (4) rotates forward and drives the extension plate (6) to fully extend out of the bottom shell (1), the sensor plate (52) is sensed by the position sensor (72). After the position sensor (72) sends a signal to the main control board (92) inside the bottom shell (1), the main control board (92) controls the telescopic motor group (4) to stop. When the extension plate (6) fully extends out of the bottom shell (1), the extension plate (6) hangs down and contacts the ground.

3. The automatic train platform of claim 2, wherein, When the telescopic motor unit (4) reverses and drives the extension plate (6) to fully retract into the bottom shell (1), the sensor (52) is sensed by the reset sensor (71). After the reset sensor (71) sends a signal to the main control board (92) inside the bottom shell (1), the main control board (92) controls the telescopic motor unit (4) to stop.

4. The automatic train platform of claim 1, wherein, The bottom surface of the bottom shell (1) is provided with a motor assembly (81), a drive wheel (84), and a driven wheel. The motor assembly (81) is fixedly connected to the second drive gear (82), and the drive wheel (84) is fixedly connected to the driven gear (83). The second drive gear (82) meshes with the driven gear (83). The motor assembly (81) runs to drive the drive wheel (84) to rotate, and the drive wheel (84) rotates to drive the whole assembly to move forward and backward.

5. The automatic train step of claim 4, wherein, An infrared detection probe (91) is installed inside the bottom shell (1). The infrared detection probe (91) is connected to the main control board (92) inside the bottom shell (1). When the infrared detection probe (91) detects an infrared signal, it sends a signal to the main control board (92). After receiving the signal, the main control board (92) controls the traveling motor unit (81) to stop.

6. The automatic train platform of claim 4, wherein, The bottom shell (1) contains a battery (93), which supplies power to the main control board (92), telescopic motor assembly (4), and travel motor assembly (81).

7. The automatic train platform of claim 4, wherein, When the drive wheel (84) rotates to drive the whole forward and backward movement, it encounters an obstacle and the movement is obstructed, which will cause the current of the travel motor (81) to increase. When the main control board (92) detects the increase in the current of the travel motor (81), it controls the travel motor (81) to stop to avoid crushing.

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