CN214164970U

CN214164970U - Automatic pedal device and system for filling gaps of subway platform

Info

Publication number: CN214164970U
Application number: CN202023169611.9U
Authority: CN
Inventors: 赵志鑫; 王奋; 刘志钢; 岳修平; 徐春燕; 朱琳; 杨聚芬; 黄远春
Original assignee: Shanghai University of Engineering Science
Current assignee: Shanghai University of Engineering Science
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-09-10
Anticipated expiration: 2030-12-24

Abstract

The utility model relates to an automatic pedal device and a system for filling gaps in a subway platform. The device comprises a rack arranged at the bottom of the screen door along the length direction of the screen door, a pedal and a pedal telescopic transmission assembly arranged under the platform; the pedal; The telescopic transmission assembly has a gear, a steering gear, a coupling and a lead screw mechanism that are connected in sequence. The gear is meshed with the rack, and the support base is fixedly connected with the pedal, which is used to drive the pedal to extend the platform forward and retract the platform backward during the opening and closing process of the screen door. Compared with the prior art, the utility model does not need an additional power source, cleverly utilizes the opening and closing of the screen door, and realizes the extension and retraction of the pedal through mechanical transmission, and the whole process is carried out automatically.

Description

Automatic pedal device and system for filling gaps of subway platform

Technical Field

The utility model relates to an automatic footboard device especially relates to an automatic footboard device and system for filling subway platform gap.

Background

A gap is intentionally left between the subway platform and a train when the existing subway platform is designed, and the gap is used for preventing the subway platform from scratching the train body. Due to the existence of the gap, passengers can easily step in the air and get stuck in the air when getting on and off the vehicle; heavy luggage is not easy to pass through smoothly, and great impact is caused to passengers and luggage. The prior art usually attaches a rubber band to one side of the platform and adds light warning and slogan warning, but this still can not provide effective support for the gap.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatic footboard device and system for filling subway platform gap in order to overcome the defect that above-mentioned prior art exists.

The purpose of the utility model can be realized through the following technical scheme:

the utility model provides an automatic pedal device for filling gaps of subway platforms, which is used for platforms with shield doors, and comprises a rack arranged at the bottom of the shield door along the length direction of the shield door, and a pedal telescopic transmission assembly arranged below the platform;

the pedal telescopic transmission assembly is provided with a gear, a steering gear, a coupler and a screw mechanism which are sequentially connected in a transmission manner, the screw mechanism is provided with a rotatable ball screw and a supporting seat which is connected to the ball screw and can move back and forth along with the rotation of the ball screw, the gear is meshed with a rack and is connected with the pedal, and the supporting seat is fixedly connected with the pedal and used for driving the pedal to extend forwards out of a platform and retract backwards into the platform in the opening and closing processes of the shielding door.

Preferably, the pedal telescopic transmission assembly is arranged on the side of the pedal.

Preferably, the tooth surface of the rack faces to the rear of the platform, and the gear is horizontally arranged.

Preferably, the steering gear is a bevel gear steering gear, and is provided with a horizontal output shaft and a vertical output shaft which are in transmission connection through a bevel gear and are perpendicular to each other, the vertical output shaft penetrates through and is fixed on the gear, and the horizontal output shaft is connected with the coupler.

Preferably, both ends of the ball screw are respectively rotatably arranged in the bearing boxes in a penetrating manner, one end of the ball screw is connected with the coupler, and the supporting seat is arranged on the ball screw between the two bearing boxes.

Preferably, a fixing rod is connected between the two bearing boxes, and the supporting seat is arranged on the fixing rod in a penetrating mode and is connected with the fixing rod in a sliding mode.

Preferably, the number of the supporting seats is two.

Preferably, the supporting seat is positioned below the pedal and fixedly connected with the bottom of the pedal through a screw.

The utility model discloses the second aspect provides an automatic footboard system for filling subway platform gap, include the platform, reach to open shield door automatic footboard device.

Preferably, the bottom of two floating gates of the split shield door all is equipped with the rack, the footboard set up in with split shield door assorted position department, footboard flexible transmission assembly be equipped with two, be located the footboard both sides respectively to with the rack phase-match of the floating gate bottom of corresponding side.

Compared with the prior art, the utility model discloses following beneficial effect has:

the shielding door is opened by sliding towards two sides and simultaneously drives the racks under the door to move back to back, the racks on the two sides drive the gears to rotate respectively, the rotation of one output shaft is converted into the rotation of the other output shaft perpendicular to the output shaft under the reversing action of the bevel gear steering device, so that the ball screw is driven to rotate, the supporting seat is driven to move left, and the pedal is driven to extend forwards, so that the pedal is enabled to fill a gap between the door and a platform, and the effect of providing effective support is achieved. When the shielding door is closed, the lower rack of the driving door moves in opposite directions, and the pedal retracts backwards under the driving of the pedal telescopic transmission assembly, so that the interference to the train operation is avoided.

The utility model discloses in need not additionally to set up the power supply, utilize opening and shutting of shield door ingeniously, can realize stretching out and retracting of footboard through mechanical transmission, whole process goes on automatically. The use of the coupling also reduces the requirements on the mounting accuracy of the steering gear and the screw mechanism.

Drawings

Fig. 1 is the embodiment 1 of the utility model provides an automatic footboard device's that is used for filling subway platform gap schematic side view.

Fig. 2 is a schematic top view of the automatic pedal device for filling a gap of a subway platform according to embodiment 1 of the present invention (for a split shield door, fig. 2 only shows a schematic view of one shield door, and a schematic view of another shield door is symmetrical to the shield door).

In the figure, 1 is a supporting base, 2 is a coupler, 3 is a steering gear, 4 is a gear, 5 is a bearing box, 6 is a screen door, 7 is a ball screw, 8 is a pedal, 9 is a rack, 10 is a platform, and 11 is a fixing rod.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships only for the convenience of description of the present invention and to simplify the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Example 1

An automatic pedal device for filling gaps of subway platforms is used for a platform 10 provided with a shield door 6, and is characterized by comprising a rack 9 arranged at the bottom of the shield door 6 along the length direction of the shield door 6, a pedal 8 arranged below the platform 10 and a pedal telescopic transmission assembly, wherein the rack 9 is arranged at the bottom of the shield door 6; the pedal telescopic transmission assembly is provided with a gear 4, a steering gear 3, a coupler 2 and a screw mechanism which are sequentially connected in a transmission manner, the screw mechanism is provided with a rotatable ball screw 7 and a supporting seat 1 which is connected to the ball screw 7 and can move back and forth along with the rotation of the ball screw 7, the gear 4 is meshed with a rack 9, and the supporting seat 1 is fixedly connected with a pedal 8 and used for driving the pedal 8 to extend out of a platform 10 forwards and retract back into the platform 10 in the opening and closing processes of the screen door 6.

In practical use, a cavity for installing the device can be arranged below the front part of the platform, the pedal 8 and the pedal telescopic transmission assembly are arranged in the cavity, and in order to enable the pedal 8 to stretch and retract more smoothly and increase the bearing capacity of the pedal, a guide rail which is connected with the pedal 8 in a sliding manner can be further arranged. The length of the rack 9 can be set according to the size of the platform gap and the comprehensive consideration of factors such as gear transmission ratio, so that the distance requirement of extending and retracting of the pedal 8 can be met when the shielding door 6 is opened and closed. Preferably, the pedal telescopic transmission assembly is arranged on the side of the pedal 8, so that the interference of the pedal telescopic transmission assembly on the pedal extension is avoided.

As shown in fig. 1 and 2, the tooth surface of the rack 9 faces the rear of the platform 10 (and in the leftward direction in fig. 1), and the gear 4 is disposed horizontally. Preferably, the steering gear 3 is a bevel gear steering gear, and is provided with a horizontal output shaft and a vertical output shaft which are in transmission connection through a bevel gear and are perpendicular to each other, the vertical output shaft penetrates through and is fixed on the gear 4, and the horizontal output shaft is connected with the coupling 2. The vertical switching of the direction of rotation of the gear wheel 4 is achieved by means of the diverter 3. Two ends of the ball screw 7 are respectively rotatably arranged in the bearing boxes 5 in a penetrating way, one end of the ball screw is connected with the shaft coupling 2, and the supporting seat 1 is arranged on the ball screw 7 between the two bearing boxes 5. Be connected with dead lever 11 between two preferred bearing boxes 5, supporting seat 1 wears to locate on dead lever 11 to with dead lever 11 sliding connection, through dead lever 11 and ball 7 cooperation, realized supporting seat 1 at the slip of ball under the drive. It is further preferred that the support seats 1 are provided with two, are located below the pedal 8, and are fixedly connected with the bottom of the pedal 8 through screws.

The working process of the embodiment: when a train stops at a station, the shield door 6 slides to open towards two sides and simultaneously drives the under-door rack 9 to move backwards, the rack 9 drives the gear 4 to rotate, the rotation of the vertical output shaft of the shield door is converted into the rotation of the horizontal output shaft through the reversing action of the steering gear 3, so as to drive the ball screw 7 to rotate, further drive the supporting seat 1 to move forwards and backwards (namely the left direction and the right direction in the figure 1), further drive the pedal 8 to extend forwards, further enable the pedal 8 to fill the gap between the train door and the station 10, and play a role of providing effective support, when the train leaves the station, the shield door 6 slides to close and simultaneously drives the under-door rack 9 to move forwards, at the moment, the rack 9 drives the gear 4 to rotate, the rotation of the vertical output shaft of the train is converted into the rotation of the horizontal output shaft through the reversing action of the steering gear 3, at the moment, the pedal 8 on the ball screw 7 is driven to contract backwards, so that the pedal 8 is far away from the station, does not obstruct the train running.

Example 2

An automatic pedal system for filling gaps of a subway platform comprises the platform 10, a split type shielding door 6 and the automatic pedal device in the embodiment 1. Preferably, the two movable doors of the split shield door 6 are respectively provided with a rack 9 at the bottom, the pedals 8 are arranged at the positions matched with the split shield door 6, and the two pedal telescopic transmission assemblies are respectively arranged at the two sides of the pedals 8 and are matched with the racks 9 at the bottoms of the movable doors at the corresponding sides. The working process is described in relation to example 1.

The utility model discloses in, bevel gear steering gear, shaft coupling 2 and bearing box 5 all can adopt the relevant product of market.

The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.

Claims

1. An automatic pedal device for filling gaps of subway platforms is used for a platform (10) provided with a shield door (6), and is characterized by comprising a rack (9) arranged at the bottom of the shield door (6) along the length direction of the shield door (6), a pedal (8) arranged below the platform (10) and a pedal telescopic transmission assembly;

the flexible transmission assembly of footboard have gear (4), steering gear (3), shaft coupling (2) and the screw mechanism that the transmission is connected in proper order, screw mechanism have rotatable ball (7) and connect on ball (7) and can rotate supporting seat (1) that back-and-forth movement is moved along with ball (7), gear (4) be connected with rack (9) meshing, supporting seat (1) and footboard (8) fixed connection for open and close in-process at shield door (6) and drive footboard (8) and stretch out platform (10) forward and retract platform (10) backward.

2. The automatic pedal device for filling gaps of subway platforms as claimed in claim 1, wherein said pedal extension transmission assembly is installed at the side of pedal (8).

3. An automatic pedal device for filling gaps at subway platforms as claimed in claim 1, wherein said rack (9) has its tooth surface facing the rear of the platform (10) and said gear (4) is horizontally disposed.

4. The automatic pedal device for filling gaps of subway platforms as claimed in claim 1 or 3, wherein said steering gear (3) is a bevel gear steering gear, having a horizontal output shaft and a vertical output shaft which are connected by bevel gear transmission and perpendicular to each other, said vertical output shaft is through and fixed on the gear (4), said horizontal output shaft is connected with the coupling (2).

5. The automatic pedal device for filling up gaps of subway platforms as claimed in claim 1, wherein said ball screw (7) is rotatably inserted into said bearing housing (5) at both ends thereof, and one end thereof is connected to said coupling (2), said support base (1) is disposed on said ball screw (7) between said two bearing housings (5).

6. An automatic pedal device for filling up gaps at subway platforms as claimed in claim 5, wherein a fixing rod (11) is connected between two bearing boxes (5), said supporting seat (1) is inserted through the fixing rod (11) and is slidably connected with the fixing rod (11).

7. An automatic pedal device for filling gaps at subway platforms according to claim 1, 5 or 6, characterized in that said support (1) is provided in two.

8. The automatic pedal device for filling gaps of subway platforms as claimed in claim 1, wherein said supporting base (1) is located under the pedal (8) and is fixedly connected with the bottom of the pedal (8) by means of screws.

9. An automatic pedal system for filling gaps of subway platforms, comprising a platform (10), a split screen door (6) and an automatic pedal device according to any one of claims 1 to 8.

10. The automatic pedal system for filling up a gap of a subway platform as claimed in claim 9, wherein said split shield door (6) has two racks (9) at the bottom of each of the two sliding doors, said pedal (8) is installed at the position matched with the split shield door (6), and said two pedal extension transmission assemblies are respectively installed at both sides of the pedal (8) and matched with the racks (9) at the bottom of the sliding door at the corresponding side.