Subway platform door driving structure

Abstract

The utility model discloses a subway platform door driving structure which comprises a base, a supporting rail is fixedly connected to the top of the base, first sliding rails are fixedly connected to the two sides of the outer wall of the supporting rail, door bodies are arranged on the two sides of the upper portion of the supporting rail, and supporting bases are fixedly connected to the bottoms of the door bodies at equal intervals. And first rolling wheels are rotatably connected to the two sides of the inner wall of the supporting base at equal intervals, the first rolling wheels are connected with the first sliding rails in a matched mode, an inner groove is formed in the top of the supporting rail, and fixing bases are fixedly connected to the two sides of the inner wall of the inner groove. The utility model relates to the technical field of rail transit platform doors, and solves the problems that in the prior art, a subway platform door is driven by a synchronous belt or a steel wire rope and is easy to slip or break under the working conditions of frequent starting and stopping due to aging, abrasion or external factors, so that the service life is greatly shortened, the normal operation of the platform door is influenced, and the service life is influenced. And passengers are inconvenient to go in and out of the subway.

Description

Technical Field

[0001] This utility model relates to the field of rail transit platform screen door technology, specifically a subway platform screen door drive structure. Background Technology

[0002] Subway platform screen doors are safety isolation systems installed on the edge of platforms. They are mainly used to ensure passenger safety, optimize the station environment, and improve operational efficiency. When the platform screen doors are closed, they isolate the platform area from the track area, preventing objects from falling onto the tracks or entering the station. They also reduce the impact of noise and wind pressure from trains entering and leaving the station on passengers. Their automatic control system can also be linked with the train operation signal system to ensure that the doors open and close synchronously with the train doors, improving the passenger experience and safety. In existing technologies, subway platform screen doors use synchronous belts or steel wire ropes for transmission. These are prone to slippage or breakage due to aging, wear, or external factors, especially under frequent start-stop conditions. This significantly shortens their service life, affects the normal operation of the platform screen doors, and causes inconvenience for passengers entering and exiting the subway. Summary of the Invention

[0003] To address the shortcomings of existing technologies, this utility model provides a subway platform door drive structure, which solves the problem that existing subway platform doors use synchronous belts or wire ropes for transmission, which are prone to slippage or breakage due to aging, wear, or external factors under frequent start-stop conditions, resulting in a significantly shortened service life, affecting the normal operation of the platform door, and causing inconvenience to passengers entering and exiting the subway.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a subway platform door drive structure, comprising a base, a support rail fixedly connected to the top of the base, first slide rails fixedly connected to both sides of the outer wall of the support rail, a door body provided on both sides above the support rail, support seats fixedly connected at equal intervals to the bottom of the door body, first rollers rotatably connected at equal intervals to both sides of the inner wall of the support seats, the first rollers cooperating with the first slide rails, an inner groove provided at the top of the support rail, fixed seats fixedly connected to both sides of the inner wall of the inner groove, a permanent magnet stator fixedly connected to one side of the fixed seats that are close to each other, second slide rails fixedly connected above and below the fixed seats located on the permanent magnet stator, first T-shaped seats fixedly connected inside the support seats located on both sides of the door body, linear motor movers installed on both sides of the first T-shaped seats, the linear motor movers cooperating with the permanent magnet stators, and sliders fixedly connected above and below both sides of the first T-shaped seats, the sliders slidingly connected with the second slide rails.

[0005] Preferably, a suspension rail is provided above the door body, and mounting seats are fixedly connected at equal intervals to the top of the suspension rail. A second T-shaped seat is fixedly connected at equal intervals to the top of the door body. A second roller is rotatably connected at equal intervals to both sides of the second T-shaped seat, and the second roller is connected to the suspension rail.

[0006] Preferably, a magnet is installed on one side of the outer wall of one of the support bases, and a fixing plate is fixedly connected to the outer side of the base at equal intervals. An electromagnetic lock is installed on the outer wall of the fixing plate, and the electromagnetic lock is connected to the magnet.

[0007] Preferably, end plates are fixedly connected to the top and bottom of the two doors on opposite sides, and vertical frames are fixedly connected to both ends of the support rail and the suspension rail. A laser rangefinder sensor is installed on the outer wall of the vertical frame.

[0008] Preferably, buffer blocks are fixedly connected to both the top and bottom of the vertical frame on the side closest to the door, and the buffer blocks are connected in conjunction with the end plate.

[0009] This utility model provides a subway platform door drive structure. It offers the following advantages: This subway platform door drive structure, through the cooperation of a base, support rail, first slide rail, door body, support seat, first roller, inner groove, fixed seat, permanent magnet stator, second slide rail, first T-shaped seat, linear motor mover, and slider, utilizes linear motor drive technology to replace the traditional synchronous belt or wire rope transmission method. It provides stable and precise driving force at the bottom of the door body, avoiding slippage or breakage problems associated with synchronous belts or wire ropes, significantly extending the service life of the subway platform door drive components. Furthermore, it can perform emergency operation via auxiliary drive when the main drive fails, ensuring the normal operation of the subway platform door and avoiding impact on passenger entry and exit. This contributes to improving the operational reliability of the subway platform door.

[0010] Through the cooperation between the door body, suspension rail, mounting base, second T-shaped base, and second roller, the suspension rail suspends and guides the subway platform door. The rolling of the second roller on the suspension rail further enhances the stability and safety of the door during opening and closing, and effectively distributes the weight of the door, providing additional support. This reduces the stress and wear on the bottom support structure, making the entire subway platform door structure more stable and able to withstand greater external forces and pressures. This helps to further enhance the reliability and movement stability of the subway platform door. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model;

[0012] Figure 2 This is a side view of the structure of this utility model;

[0013] Figure 3This is a cross-sectional view of the support rail, the first T-shaped seat, and the linear motor mover in this utility model.

[0014] Figure 4 for Figure 1 A magnified view of a portion of region A in the middle;

[0015] Figure 5 for Figure 1 A magnified view of a portion of region B in the middle;

[0016] Figure 6 for Figure 2 A magnified view of a portion of region C.

[0017] In the diagram: 1. Base; 2. Support rail; 3. First slide rail; 4. Door body; 5. Support seat; 6. First roller; 7. Inner groove; 8. Fixed seat; 9. Permanent magnet stator; 10. Second slide rail; 11. First T-shaped seat; 12. Linear motor mover; 13. Slider; 14. Suspension rail; 15. Mounting seat; 16. Second T-shaped seat; 17. Second roller; 18. Magnet; 19. Fixed plate; 20. Electromagnetic lock; 21. End plate; 22. Vertical frame; 23. Laser rangefinder sensor; 24. Buffer block. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] In existing technologies, subway platform doors use synchronous belts or steel wire ropes for transmission. Due to aging, wear, or external factors, they are prone to slippage or breakage under frequent start-stop conditions, resulting in a significantly shortened service life, affecting the normal operation of the platform doors, and causing inconvenience to passengers entering and exiting the subway.

[0020] In view of this, the present invention provides a subway platform door drive structure. Through the cooperation of a base, support rail, first slide rail, door body, support seat, first roller, inner groove, fixed seat, permanent magnet stator, second slide rail, first T-shaped seat, linear motor mover, and slider, linear motor drive technology replaces the traditional synchronous belt or wire rope transmission method. It provides a stable and precise driving force at the bottom of the door body, effectively avoiding slippage or breakage problems caused by aging, wear, or external factors of synchronous belts or wire ropes. This significantly extends the service life of the subway platform door drive components. Furthermore, multiple linear motor movers are provided, divided into main drive and auxiliary drive. When the main drive fails, the auxiliary drive can immediately take over, ensuring the normal operation of the subway platform door, avoiding impact on passenger entry and exit, and further improving the reliability of the subway platform door.

[0021] Those skilled in the art should connect all electrical components and their compatible power supplies in this case via wires. Appropriate controllers and encoders should be selected according to the actual situation to meet control requirements. The specific connection and control sequence should refer to the working principle described below, where the electrical components are connected in sequence. The detailed connection methods are well-known in the art. The following mainly introduces the working principle and process, and will not describe the electrical control further.

[0022] Depend on Figure 1-6 It is known that a subway platform door drive structure includes a base 1, which provides stable support for a support rail 2. The base 1 can be made of materials such as concrete or steel to ensure the stability and load-bearing capacity of the entire structure. The support rail 2 is fixedly connected to the top of the base 1. First slide rails 3 are fixedly connected to both sides of the outer wall of the support rail 2. Door bodies 4 are provided on both sides above the support rail 2. There are two door bodies 4, which are the main structure of the subway platform door and are used to isolate the platform and track area to protect passenger safety. Support seats 5 are fixedly connected at equal intervals to the bottom of the door body 4. First rollers 6 are rotatably connected at equal intervals to both sides of the inner wall of the support seats 5. A roller 6 is connected to the first slide rail 3. The top of the support rail 2 is provided with an inner groove 7. The inner walls of the inner groove 7 are fixedly connected to both sides of the inner wall. The fixed sides of the fixed seats 8 are fixedly connected to the permanent magnet stator 9. The fixed seats 8 are fixedly connected to the upper and lower sides of the permanent magnet stator 9. The support seats 5 located on both sides of the door body 4 are fixedly connected to the interior of the first T-shaped seats 5. The first T-shaped seats 11 are installed on both sides of the first T-shaped seats 11. The linear motor movers 12 are connected to the permanent magnet stator 9. The first T-shaped seats 11 are fixedly connected to the upper and lower sides of the first T-shaped seats 11. The sliders 13 are slidably connected to the second slide rail 10.

[0023] In the specific implementation process, it is worth noting that the base 1, used to provide stable support for the support rail 2, can be made of materials such as concrete or steel structure to ensure the stability and load-bearing capacity of the entire structure. There are two door bodies 4, which form the main structure of the subway platform door, used to isolate the platform and track area to protect passenger safety. Through the cooperation between the support rail 2, the first slide rail 3, the door body 4, the support base 5, and the first roller 6, stable support is achieved at the bottom of the subway platform door. The rolling of the first roller 6 on the first slide rail 3 ensures that the subway platform door can slide smoothly on the support rail 2, ensuring the stability and smoothness of the door body 4 during opening and closing. This is achieved through the support rail 2, support base 5, inner groove 7, and solid... The coordination between the fixed seat 8, permanent magnet stator 9, first T-shaped seat 11, and linear motor mover 12 utilizes linear motor drive technology to replace the traditional synchronous belt or wire rope transmission method, providing stable and precise driving force for the door body 4. This effectively avoids slippage or breakage caused by aging, wear, or external factors, significantly extending the service life of the subway platform door drive components. Simultaneously, it makes the movement of the door body 4 smoother during opening and closing, reducing noise and vibration. Two sets of linear motor movers 12 are evenly distributed on the inner and outer sides of the bottom of the door body 4. The linear motor mover 12 on the outer side serves as the main drive, while the linear motor mover 12 on the inner side serves as the auxiliary drive. When the main drive fails, the auxiliary drive... The auxiliary drive can immediately take over the work, ensuring the normal operation of the subway platform door, avoiding any impact on passenger entry and exit, and improving the reliability of the subway platform door. Through the cooperation between the support rail 2, support base 5, inner groove 7, fixed base 8, second slide rail 10, first T-shaped base 11 and slider 13, and the sliding of slider 13 on the second slide rail 10, the stability and guidance of the door body 4 during movement are further enhanced, ensuring that the door body 4 can move smoothly along the predetermined trajectory, and avoiding the shaking of the linear motor when pulling the door body 4. Through the base 1, support rail 2, first slide rail 3, door body 4, support base 5, first roller 6, inner groove 7, fixed base 8, permanent magnet stator 9, second slide rail 10, and first T-shaped base 11, the system can effectively ensure the smooth operation of the subway platform door. The linear motor mover 12 and the slider 13 work together by using linear motor drive technology to replace the traditional synchronous belt or wire rope transmission method. It provides a stable and precise driving force at the bottom of the door body 4, effectively avoiding the slippage or breakage of the synchronous belt or wire rope due to aging, wear or external factors. This significantly extends the service life of the subway platform door drive components. In addition, there are multiple linear motor movers 12, divided into main drive and auxiliary drive. When the main drive fails, the auxiliary drive can immediately take over the work to ensure the normal operation of the subway platform door, avoid affecting the entry and exit of passengers, and further improve the reliability of the subway platform door. The specific model of the linear motor mover 12 is not limited, as long as it meets the usage requirements.

[0024] Furthermore, a suspension rail 14 is provided above the door body 4, and mounting seats 15 are fixedly connected at equal intervals to the top of the suspension rail 14. A second T-shaped seat 16 is fixedly connected at equal intervals to the top of the door body 4. A second roller 17 is rotatably connected at equal intervals to both sides of the second T-shaped seat 16. The second roller 17 is connected to the suspension rail 14 in cooperation.

[0025] In the specific implementation process, it is worth noting that through the cooperation between the suspension rail 14 and the mounting base 15, and by fixing the mounting base 15 to the top structure of the subway platform, the suspension rail 14 is stably fixed above the subway platform door. Through the cooperation between the door body 4, the suspension rail 14, the mounting base 15, the second T-shaped base 16, and the second roller 17, the suspension rail 14 forms a suspension and guide for the subway platform door. The rolling of the second roller 17 on the suspension rail 14 further enhances the stability and safety of the door body 4 during opening and closing, and effectively distributes the weight of the door body 4, providing additional support for the door body 4, reducing the stress and wear on the bottom support structure, and making the entire subway platform door structure more stable, able to withstand greater external forces and pressures, and further enhancing the reliability and movement stability of the subway platform door.

[0026] Furthermore, a magnet 18 is installed on one side of the outer wall of a support base 5, and a fixing plate 19 is fixedly connected at equal intervals to the outer side of the base 1. An electromagnetic lock 20 is installed on the outer wall of the fixing plate 19, and the electromagnetic lock 20 is connected to the magnet 18.

[0027] In the specific implementation process, it is worth noting that through the cooperation between the base 1, the door body 4, the support base 5, the magnet 18, the fixing plate 19 and the electromagnetic lock 20, by fixing the magnet 18 to the outside of the support base 5 in the middle position and installing the two electromagnetic locks 20 at the corresponding positions on the outside of the door body 4, the subway platform door can be magnetically fixed to the magnet 18 by controlling the electromagnetic locks 20 at the corresponding positions before opening and after closing, so as to achieve a stable lock on the subway platform door, effectively preventing the door body 4 from being opened without authorization and improving the security of the subway platform door. The specific model of the electromagnetic lock 20 is not limited, as long as it meets the usage requirements.

[0028] Furthermore, end plates 21 are fixedly connected to the top and bottom of the two door bodies 4 on the side that are far apart from each other, and vertical frames 22 are fixedly connected to both ends of the support rail 2 and the suspension rail 14. A laser rangefinder sensor 23 is installed on the outer wall of the vertical frame 22.

[0029] In the specific implementation process, it is worth noting that through the cooperation between the door body 4, end plate 21, vertical frame 22 and laser range sensor 23, the laser range sensor 23 is used to monitor the moving distance of the door body 4 in real time. This allows the platform door control system to control the drive mechanism and locking mechanism based on the signal fed back by the laser range sensor 23, ensuring the accurate positioning of the door body 4 during opening and closing, and improving the operating accuracy and safety of the subway platform door. The specific model of the laser range sensor 23 is not limited, as long as it meets the usage requirements.

[0030] Furthermore, buffer blocks 24 are fixedly connected to both the top and bottom of the vertical frame 22 near the door body 4, and the buffer blocks 24 are connected to the end plate 21.

[0031] In the specific implementation process, it is worth noting that through the cooperation between the door body 4, end plate 21, vertical frame 22 and buffer block 24, the buffer block 24 is made of a highly elastic and wear-resistant material. When the door body 4 moves to the extreme position, the buffer block 24 can effectively reduce the impact force of the platform door, prevent noise, vibration and potential damage caused by collision, thereby extending the service life of the entire subway platform door system.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A subway platform door drive structure, comprising a base (1), characterized in that: The base (1) is fixedly connected to a support rail (2) at its top. First slide rails (3) are fixedly connected to both sides of the outer wall of the support rail (2). Doors (4) are provided on both sides of the upper part of the support rail (2). Support seats (5) are fixedly connected at equal intervals at the bottom of each door (4). First rollers (6) are rotatably connected at equal intervals to both sides of the inner wall of each support seat (5). The first rollers (6) are connected to the first slide rails (3). An inner groove (7) is provided at the top of the support rail (2). Fixed seats (8) are fixedly connected to both sides of the inner wall of the inner groove (7). A permanent magnet stator (9) is fixedly connected to one side of the door body (4). The fixed seat (8) is fixedly connected to the upper and lower sides of the permanent magnet stator (9) with a second slide rail (10). The support seats (5) on both sides of the door body (4) are fixedly connected to the interior of the support seats (5). A linear motor mover (12) is installed on both sides of the first T-shaped seat (11). The linear motor mover (12) is connected to the permanent magnet stator (9). A slider (13) is fixedly connected to the upper and lower sides of the first T-shaped seat (11). The slider (13) is slidably connected to the second slide rail (10).

2. The subway platform door drive structure according to claim 1, characterized in that: A suspension rail (14) is provided above the door body (4). Mounting seats (15) are fixedly connected at equal intervals to the top of the suspension rail (14). A second T-shaped seat (16) is fixedly connected at equal intervals to the top of the door body (4). A second roller (17) is rotatably connected at equal intervals to both sides of the second T-shaped seat (16). The second roller (17) is connected to the suspension rail (14).

3. The subway platform door drive structure according to claim 1, characterized in that: A magnet (18) is installed on one side of the outer wall of the support base (5), and a fixing plate (19) is fixedly connected at equal intervals to the outer side of the base (1). An electromagnetic lock (20) is installed on the outer wall of the fixing plate (19), and the electromagnetic lock (20) is connected to the magnet (18).

4. The subway platform door drive structure according to claim 2, characterized in that: Both of the two door bodies (4) are fixedly connected to end plates (21) on the opposite sides. Both ends of the support rail (2) and the suspension rail (14) are fixedly connected to vertical frames (22). A laser rangefinder sensor (23) is installed on the outer wall of the vertical frame (22).

5. A subway platform door drive structure according to claim 4, characterized in that: The vertical frame (22) is fixedly connected to buffer blocks (24) on both the upper and lower sides of the side near the door (4), and the buffer blocks (24) are connected to the end plate (21).

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