Portal crane system of metro platform screen door

Abstract

The utility model relates to the technical field of metros, and discloses a metro platform screen door machine system which comprises a body, two door bodies are slidably connected into the body, cavities are formed in the two door bodies, sliding parts are slidably arranged in the two cavities, two one-way valves are installed on the outer surfaces of the two sliding parts, and the two one-way valves are arranged on the outer surfaces of the two one-way valves. And exhaust cavities are formed in the door bodies. According to the door machine system of the metro platform screen door, through cooperation of the mounting rope, the sliding piece, the one-way valve and the spring, when the two door bodies are away from each other, external air can be sucked into the cavity, and when the two door bodies are close to each other, the air can be compressed, the air is exhausted through the transverse exhaust hole, and the sliding rail is cleaned; and through cooperation of the longitudinal exhaust holes, the cleaned dust can be prevented from entering the compartment, the dust can be conveniently discharged out of the compartment, and therefore the purpose of automatically cleaning the sliding rail is achieved.

Description

Technical Field

[0001] This application relates to the technical field of subways, and specifically relates to a subway platform screen door machine system. Background Technique

[0002] The subway is a type of urban rail transit line system, referring to the rail transit built in the city, which is fast, has a large passenger capacity, and is electrically powered. The train runs on a fully enclosed line. The line in the central urban area is basically located in an underground tunnel, and the line outside the central urban area is generally located on a viaduct or on the ground. The subway is an urban rail transit system that covers various underground and above-ground exclusive rights of way, high density, and high passenger capacity in the urban area.

[0003] A prior patent (publication number: CN214835503U) discloses a subway platform screen door, including a first screen door, a second screen door, and a PLC controller; a connection groove is horizontally opened in the middle of the upper end of the right side of the first screen door, and an adjustment groove is opened in the middle of the inner wall of the bottom end of the connection groove. An adjustment iron block is slidably connected inside the adjustment groove, and a fixing pin is vertically and fixedly installed in the middle of the upper surface of the adjustment iron block. In this utility model, when the PLC controller controls the electromagnet to be energized to work to generate magnetic attraction, it can attract the adjustment iron block to move downward in the adjustment groove and stretch the spring. Further, the adjustment iron block can drive the fixing pin to move out of the connection groove. When the first screen door and the second screen door are closed and fitted together, the connecting block penetrates the connection groove. When the PLC controller controls the electromagnet to be de-energized and the magnetic attraction disappears, due to the elastic force of the spring, it can drive the adjustment iron block to move upward and reset. Further, the adjustment iron block can drive the fixing pin to move upward and penetrate the fixing groove, so that the first screen door and the second screen door are fixedly connected.

[0004] During the use of the above document, it can make the two screen doors more stable. However, due to the large flow of people in the subway, external dust is easily brought into the space between the two screen doors and slides into the slide rail. Since the subway is in a moving state for a long time, it is not convenient to clean the impurities in the slide rail, and the impurities in the slide rail are likely to affect the closing of the two screen doors. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, this application provides a subway platform screen door machine system, which has the advantages of cleaning the slide rail, etc., and solves the problems raised in the background technique.

[0006] To achieve the above object, the present application provides the following technical solution: A subway platform screen door machine system, including a main body, two door bodies are slidably connected inside the main body, cavities are provided inside both of the two door bodies, sliders are slidably arranged inside both of the two cavities, two one-way valves are installed on the outer surfaces of both of the two sliders, exhaust cavities are provided inside both of the door bodies, a set of longitudinal exhaust holes and a set of transverse exhaust holes are provided on one side surface of both of the two door bodies close to each other, both of the two sets of longitudinal exhaust holes and transverse exhaust holes are communicated with the exhaust cavities close to them, both of the two exhaust cavities are communicated with the cavities close to them, springs are fixedly connected to one side surfaces of both of the two sliders away from each other, the other ends of both of the two springs are fixedly connected to the inner walls of the cavities close to them, ropes are fixedly connected to one side surfaces of both of the two sliders close to each other, a slide rail is installed on the inner bottom wall of the main body, and both of the two door bodies are slidably connected to the slide rail.

[0007] Through the above solution, by installing the cooperation of the ropes, sliders, one-way valves and springs, when the two door bodies move away from each other, the outside air can be pumped into the cavity, and the air can be pre-stored.

[0008] Further, air inlet holes are provided on one side surfaces of both of the two cavities away from each other, and the two air inlet holes are symmetrical.

[0009] Through the above solution, providing the air inlet holes can facilitate the entry of outside air into the cavity when the cavity is in a negative pressure state.

[0010] Further, notch openings are provided inside both of the two door bodies, rotating shafts are rotatably connected inside both of the two notch openings, both of the two ropes are located inside the notch openings close to them and are in contact with the rotating shafts close to them, and the other ends of both of the two ropes are fixedly connected to the inner wall of the main body.

[0011] Through the above solution, installing the rotating shafts can facilitate the sliding of the ropes in the notch openings, thereby reducing the wear of the ropes.

[0012] Further, sealing members are installed on the inner walls of both of the two cavities, and both of the two ropes are in contact with the sealing members close to them.

[0013] Through the above solution, installing the sealing members can seal the cavity and keep the pressure inside the cavity balanced.

[0014] Further, both of the two springs are in a reset state.

[0015] Through the above solution, installing multiple springs can traction the sliders through the reset force of the multiple springs, so that the outside air can enter the cavity through the air inlet holes.

[0016] Furthermore, two sliding grooves are formed in the inner top wall of the body, and lead screws are rotatably connected to the inner walls of the two sliding grooves. Limiting members are fixedly connected to the upper surfaces of the two door bodies, and the two limiting members are threadedly connected to the lead screws closest to them.

[0017] Through the above solution, the installation lead screw can drive the two door bodies to approach or move away from each other in cooperation with the limiting members, facilitating the enclosure of the carriage.

[0018] Furthermore, a double-shaft motor is installed inside the body, and the closer ends of the two lead screws are fixedly connected to the output ends of the double-shaft motor.

[0019] Through the above solution, installing the double-shaft motor can synchronously drive the two lead screws, enabling the two lead screws to drive the two door bodies to move synchronously through the limiting members.

[0020] Furthermore, the outer surfaces of the two sliding members are made of rubber material and are in close contact with the inner walls of the cavities closest to them.

[0021] Through the above solution, the outer surfaces of the sliding members being made of rubber material can facilitate close contact with the inner walls of the cavities, improving the sealing performance between the sliding members and the cavities.

[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0023] For this subway platform screen door machine system, through the cooperation of the installed ropes with the sliding members, one-way valves, and springs, when the two door bodies move away from each other, the outside air can be pumped into the cavity, and when the two door bodies approach each other, the air can be compressed, causing the air to be discharged through the horizontal exhaust holes to clean the slide rails. And through the cooperation of the vertical exhaust holes, it can prevent the dust cleared from entering the carriage, facilitating the discharge of the dust outside the carriage, thereby achieving the purpose of automatically cleaning the slide rails. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a cross-sectional view of the overall structure of this application;

[0025] Figure 2 It is a schematic diagram of the door body structure of this application;

[0026] Figure 3 It is a schematic diagram of the overall structure of this application.

[0027] In the figure:

[0028] 1. Body; 2. Door body; 3. Cavity; 4. Sliding member; 5. Check valve; 6. Exhaust cavity; 7. Longitudinal exhaust hole; 8. Transverse exhaust hole; 9. Spring; 10. Rope; 11. Slide rail; 12. Air inlet hole; 13. Notch; 14. Rotating shaft; 15. Seal; 16. Sliding groove; 17. Lead screw; 18. Limiting member; 19. Biaxial motor. Specific embodiments

[0029] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0030] Please refer to Figure 1 , Figure 2 and Figure 3 , in a door machine system of a subway platform screen door in this embodiment, it includes a body 1. Two door bodies 2 are slidably connected inside the body 1. Cavities 3 are respectively opened inside the two door bodies 2. Sliding members 4 are respectively slid inside the two cavities 3. Two check valves 5 are respectively installed on the outer surfaces of the two sliding members 4. Exhaust cavities 6 are respectively opened inside the door bodies 2. A group of longitudinal exhaust holes 7 and a group of transverse exhaust holes 8 are respectively arranged on one side surface of the two door bodies 2 close to each other. The two groups of longitudinal exhaust holes 7 and transverse exhaust holes 8 are both communicated with the exhaust cavity close to them. The two exhaust cavities 6 are both communicated with the cavities 3 close to them. Springs 9 are respectively fixedly connected to one side surfaces of the two sliding members 4 away from each other. The other ends of the two springs 9 are respectively fixedly connected to the inner walls of the cavities 3 close to them. Ropes 10 are respectively fixedly connected to one side surfaces of the two sliding members 4 close to each other. The inner bottom wall of the body 1 is provided with a slide rail 11. The two door bodies 2 are both slidably connected to the slide rail 11. By installing the cooperation of the rope 10 with the sliding member 4, the check valve 5 and the spring 9, when the two door bodies 2 move away from each other, the outside air can be pumped into the cavity 3, and when the two door bodies 2 move close to each other, the air can be compressed, so that the air is discharged through the transverse exhaust hole 8 to clean the slide rail 11, and the cooperation of the longitudinal exhaust hole 7 can prevent the dust cleaned out from entering the carriage, and is convenient to discharge the dust outside the carriage, thereby achieving the purpose of automatically cleaning the slide rail 11.

[0031] Please refer to Figure 1 , Figure 2 and Figure 3, air inlets 12 are formed on the sides of the two cavities 3 away from each other. The two air inlets 12 are symmetrical. The formation of the air inlets 12 facilitates the entry of external air into the cavities 3 when the pressure inside the cavities 3 is negative. Grooves 13 are formed inside the two door bodies 2. Rotating shafts 14 are rotatably connected inside the two grooves 13. The two ropes 10 are located in the grooves 13 close to them and are in contact with the rotating shafts 14 close to them. The other ends of the two ropes 10 are fixedly connected to the inner wall of the body 1. The installation of the rotating shafts 14 facilitates the sliding of the ropes 10 in the grooves 13, thereby reducing the wear on the ropes 10. Seals 15 are installed on the inner walls of the two cavities 3. The two ropes 10 are in contact with the seals 15 close to them. The installation of the seals 15 can seal the cavities 3 so that the pressure inside the cavities 3 can be kept balanced. The two springs 9 are both in the reset state. The installation of multiple springs 9 can pull the sliding member 4 through the reset force of the multiple springs 9, enabling external air to enter the cavities 3 through the air inlets 12.

[0032] Please refer to Figure 1 , Figure 2 and Figure 3 , two sliding grooves 16 are formed on the inner top wall of the body 1. Lead screws 17 are rotatably connected to the inner walls of the two sliding grooves 16. Limit members 18 are fixedly connected to the upper surfaces of the two door bodies 2. The two limit members 18 are threadedly connected to the lead screws 17 close to them. The installation of the lead screws 17 can drive the two door bodies 2 to approach or move away from each other in cooperation with the limit members 18, facilitating the closing of the carriage. A dual-axis motor 19 is installed inside the body 1. The ends of the two lead screws 17 close to each other are fixedly connected to the output end of the dual-axis motor 19. The installation of the dual-axis motor 19 can drive the two lead screws 17 synchronously, enabling the two lead screws 17 to drive the two door bodies 2 to move synchronously through the limit members 18. The outer surfaces of the two sliding members 4 are made of rubber and are in close contact with the inner walls of the cavities 3 close to them. The outer surfaces of the sliding members 4 being made of rubber can facilitate close contact with the inner walls of the cavities 3, improving the sealing performance between the sliding members 4 and the cavities 3.

[0033] In a subway platform screen door machine system in this embodiment, through the cooperation of the installed ropes 10, sliding members 4, one-way valves 5, and springs 9, when the two door bodies 2 move away from each other, external air can be pumped into the cavities 3, and when the two door bodies 2 approach each other, the air can be compressed, enabling the air to be discharged through the horizontal exhaust holes 8 to clean the slide rails 11, and through the cooperation of the vertical exhaust holes 7, it can prevent the dust cleaned out from entering the carriage, facilitating the discharge of the dust outside the carriage, thereby achieving the purpose of automatically cleaning the slide rails 11.

[0034] The working principle of the above embodiment is as follows: First, when the biaxial motor 19 drives the two lead screws 17 to rotate forward, the two limit members 18 can drive the two door bodies 2 to move away from each other. At this time, the deformation force of the spring 9 can drive the sliding member 4 to reset in the cavity 3, making the cavity 3 in a negative pressure state, so that the outside air can enter the cavity 3 through the air inlet hole 12 and the one-way valve 5. When the biaxial motor 19 drives the two lead screws 17 to rotate reversely, the two limit members 18 can drive the two door bodies 2 to approach each other. At this time, the rope 10 can pull the sliding member 4, so that the sliding member 4 can compress the air in the cavity 3, and the air is discharged from the longitudinal exhaust hole 7 and the transverse exhaust hole 8 respectively through the exhaust cavity 6. When the air is discharged through the transverse exhaust hole 8, it can clean the slide rail 11. When the air is discharged through the longitudinal exhaust hole 7, it can prevent the dust cleared from entering the carriage, facilitating the discharge of the dust outside the carriage, thereby achieving the purpose of automatically cleaning the slide rail 11.

[0035] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0036] Although the embodiments of the present application have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present application. The scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A platform screen door machine system for a subway, comprising a body (1), characterized in that: Two door bodies (2) are slidably connected inside the body (1). Chambers (3) are provided inside both of the two door bodies (2). Sliding members (4) are slidably arranged inside both of the two chambers (3). Two one-way valves (5) are installed on the outer surfaces of both of the two sliding members (4). Exhaust chambers (6) are provided inside both of the door bodies (2). A set of longitudinal exhaust holes (7) and a set of transverse exhaust holes (8) are provided on one side surface of both of the two door bodies (2) close to each other. Both of the two sets of longitudinal exhaust holes (7) and transverse exhaust holes (8) communicate with the exhaust chambers adjacent to them. Both of the two exhaust chambers (6) communicate with the chambers (3) adjacent to them. Springs (9) are fixedly connected to the side surfaces of both of the two sliding members (4) away from each other. The other ends of both of the two springs (9) are fixedly connected to the inner walls of the chambers (3) adjacent to them. Cords (10) are fixedly connected to the side surfaces of both of the two sliding members (4) close to each other. A slide rail (11) is installed on the inner bottom wall of the body (1). Both of the two door bodies (2) are slidably connected to the slide rail (11).

2. The door machine system of a subway platform screen door according to claim 1, characterized in that: Air inlet holes (12) are provided on the side surfaces of both of the two chambers (3) away from each other. The two air inlet holes (12) are symmetrical to each other.

3. The door machine system of a subway platform screen door according to claim 1, wherein: Notches (13) are provided inside both of the two door bodies (2). Rotating shafts (14) are rotatably connected inside both of the two notches (13). Both of the two cords (10) are located inside the notches (13) adjacent to them and contact the rotating shafts (14) adjacent to them. The other ends of both of the two cords (10) are fixedly connected to the inner wall of the body (1).

4. The door machine system of a subway platform screen door according to claim 1, characterized in that: Sealing members (15) are installed on the inner walls of both of the two chambers (3). Both of the two cords (10) contact the sealing members (15) adjacent to them.

5. The door machine system of a subway platform screen door according to claim 1, characterized in that: Both of the two springs (9) are in a reset state.

6. The door machine system of a subway platform screen door according to claim 1, wherein: Two sliding grooves (16) are provided on the inner top wall of the body (1). Lead screws (17) are rotatably connected to the inner walls of both of the two sliding grooves (16). Limit members (18) are fixedly connected to the upper surfaces of both of the two door bodies (2). Both of the two limit members (18) are threadedly connected to the lead screws (17) adjacent to them.

7. The door machine system of a subway platform screen door according to claim 6, characterized in that: A double-shaft motor (19) is installed inside the body (1). The ends of both of the two lead screws (17) close to each other are fixedly connected to the output ends of the double-shaft motor (19).

8. The door machine system of a subway platform screen door according to claim 1, characterized in that: The outer surfaces of both of the two sliding members (4) are made of rubber material and are in close contact with the inner walls of the chambers (3) adjacent to them.

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