CN113047717A

CN113047717A - Novel platform door machine mechanism

Info

Publication number: CN113047717A
Application number: CN202110254042.8A
Authority: CN
Inventors: 付巍; 陈超; 汪烈; 李�昊; 朱君; 沈旭蕾; 师帅
Original assignee: Nanjing Kangni Mechanical and Electrical Co Ltd
Current assignee: Nanjing Kangni Mechanical and Electrical Co Ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-06-29
Anticipated expiration: 2041-03-09
Also published as: CN113047717B

Abstract

The invention discloses a novel platform door machine mechanism, which comprises a bearing mechanism, a door leaf mechanism and a transmission mechanism, wherein the door leaf mechanism is connected with the bearing mechanism in a sliding manner and fixedly connected with the transmission mechanism; the door leaf mechanism comprises a door leaf, a first wheel carrier assembly is arranged on one side of the door leaf, a second wheel carrier assembly is arranged on the other side of the door leaf, and a first buffer head is fixed on the first wheel carrier assembly; and a third buffer head and a fourth buffer head are respectively installed at two ends of the bearing welding bracket. The door leaf opening device is simple in structure, stable and reliable, effectively increases the movement stroke of the door machine structure, and achieves the maximization of the door leaf opening.

Description

Novel platform door machine mechanism

Technical Field

The invention relates to a door machine mechanism, in particular to a novel platform door machine mechanism.

Background

The door machine structure scheme of the existing subway platform door has the phenomenon that the door machine structure exceeds the total length of equipment in a completely opened state, influences a driver to normally come in and go out of a cab, and has potential safety hazards.

Disclosure of Invention

The purpose of the invention is as follows: the invention aims to provide a novel platform door machine mechanism which meets the requirement that a train driver normally accesses a cab (including the limit parking error of a train) under various working conditions.

The technical scheme is as follows: the door leaf mechanism is connected with the bearing mechanism in a sliding mode and fixedly connected with the transmission mechanism, the bearing mechanism comprises an overlapped guide rail, a door leaf is connected in an upper cavity of the overlapped guide rail in a sliding mode, a bearing wheel carrier assembly is arranged in a lower cavity of the overlapped guide rail, the bottom of the bearing wheel carrier assembly is fixed on a bearing welding support, a first buffer plate and a second buffer plate are mounted at the top of the overlapped guide rail, the first buffer plate is located at the end portion of the overlapped guide rail, a second buffer head is fixed on the second buffer plate, and a third buffer plate and a fourth buffer plate are mounted at two ends of the bottom of the second buffer plate respectively; the door leaf mechanism comprises a door leaf, wherein a first wheel carrier assembly is arranged on one side of the door leaf, and a second wheel carrier assembly is arranged on the other side of the door leaf, wherein a first buffer head is fixed on the first wheel carrier assembly; and a third buffer head and a fourth buffer head are respectively installed at two ends of the bearing welding bracket.

The overlapped guide rail adopts a structure that a plurality of cavities are overlapped on a single guide rail, so that the overlapping of the strokes is realized.

The bearing welding bracket is positioned below the overlapped guide rails.

And a transmission mechanism is arranged on the bottom plate bearing the welding bracket.

The transmission mechanism comprises a motor, the motor is fixed on the bearing welding support, the motor is fixedly connected with the driving wheel assembly through the motor support, and the driving wheel assembly is connected with the driven wheel assembly through a belt.

The belt is sleeved with the belt buckle and fixedly connected with the left end and the right end of the door leaf to form a closed ring.

The end part of the belt is provided with a tensioning assembly, and the tensioning force is adjusted through the tensioning assembly.

Has the advantages that: the door mechanism structure is simple in structure, stable and reliable, the stroke superposition is realized on a single guide rail through two or more multi-cavity structures, the movement stroke of the door mechanism structure is effectively increased, and the door leaf opening degree maximization is achieved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the door opening operation of the load bearing mechanism of the present invention;

FIG. 3 is a schematic view of the door closing operation of the load bearing mechanism of the present invention;

fig. 4 is a schematic view of the transmission mechanism of the present invention.

Detailed Description

The invention will be further explained with reference to the drawings.

As shown in fig. 1, the present invention includes a carrying mechanism 13, a door leaf mechanism 25 and a transmission mechanism 18, wherein the door leaf mechanism 25 is slidably connected to the carrying mechanism 13 and fixedly connected to the transmission mechanism 18, and the transmission mechanism 18 drives the door leaf mechanism 25 to slide in the carrying mechanism 13, so as to complete the door opening or closing operation of the door leaf mechanism 25.

As shown in fig. 2, the carrying mechanism 13 includes the overlapped guide rail 3, and the overlapped guide rail 3 adopts a structure of overlapping two cavities on a single guide rail to realize the overlapping of the strokes. The upper cavity of the overlapped guide rail 3 is connected with the door leaf 4 of the door leaf mechanism 25 in a sliding manner, the lower cavity is internally provided with the bearing wheel carrier assembly 1, the bottom of the bearing wheel carrier assembly 1 is fixed on the bearing welding support 2, and the bearing welding support 2 is positioned below the overlapped guide rail 3. By nesting the load bearing wheel carriage assembly 1 within the overlapping guide track 3, load bearing and guidance is provided for the overlapping guide track 3. A first buffer plate 7 and a second buffer plate 10 are mounted at the top of the overlapped guide rail 3, wherein the first buffer plate 7 is positioned at the end part of the overlapped guide rail 3, and a second buffer head 12 is fixed on the second buffer plate 10; the third buffer plate 8 and the fourth buffer plate 14 are respectively installed at both ends of the bottom.

As shown in fig. 2 and 3, the door leaf mechanism 25 includes a door leaf 4, a first wheel frame assembly 5 is installed on one side of the door leaf 4, and a second wheel frame assembly 11 is installed on the other side of the door leaf 4, wherein a first buffer head 6 is fixed on the first wheel frame assembly 5. And a third buffer head 9 and a fourth buffer head 15 are respectively arranged at two ends of the bearing welding bracket 2. As shown in fig. 4, a transmission mechanism 18 is mounted on the bottom plate of the welding bracket 2, the transmission mechanism 18 includes a motor 23, and the motor 23 is fixed on the welding bracket 2. The motor 23 is fixedly connected with the driving wheel assembly 21 through the motor support 22, the driving wheel assembly 21 is connected with the driven wheel assembly 20 through the belt 17, the end portion of the belt 17 is provided with the tensioning assembly 19, and the tensioning force is adjusted through the tensioning assembly 19. The belt 17 is sleeved with the belt buckle 16 and fixedly connected with the left end and the right end of the door leaf 4 to form a closed ring. The driving wheel assembly 21 is driven by the motor 23 to drive the door leaf 4 fixedly connected with the belt 17 to perform linear reciprocating motion, and the door opening and closing action of the door leaf mechanism 25 is completed.

As shown in fig. 2, when the door leaf 4 is driven by the transmission mechanism 18 to open the door, the first wheel frame assembly 5 fixedly connected to the door leaf is driven to move, and the first buffer head 6 on the first wheel frame assembly 5 moves toward the first buffer plate 7 until the first buffer head 6 and the first buffer plate 7 are attached to each other. Because first buffer board 7 is fixed on the overlap guide rail 3, drive third buffer board 8 on the overlap guide rail 3 toward the first 9 direction movements of third buffer, until third buffer board 8 and third buffer 9 paste to die. In this way, the door opening operation of the carrier mechanism 13 is completed.

As shown in fig. 3, when the door leaf 4 is driven by the transmission mechanism 18 to close the door, the second wheel carriage 11 fixedly connected to the door leaf is driven to move toward the second buffer head 12 until the second buffer head 12 and the door leaf 4 are attached to each other. Since the second buffer head 12 is fixed on the overlap guide rail 3, the fourth buffer plate 14 on the overlap guide rail 3 is pushed to move toward the fourth buffer head 15 until the fourth buffer plate 14 and the fourth buffer head 15 are attached to each other. In this way, the door closing operation of the carrier mechanism 13 is completed.

Claims

1. A novel platform door machine mechanism is characterized by comprising a bearing mechanism (13), a door leaf mechanism (25) and a transmission mechanism (18), wherein the door leaf mechanism (25) is connected with the bearing mechanism (13) in a sliding way and is fixedly connected with the transmission mechanism (18), the bearing mechanism (13) comprises an overlapped guide rail (3), a door leaf (4) is connected in an upper cavity of the overlapped guide rail (3) in a sliding manner, a bearing wheel carrier component (1) is arranged in a lower cavity, the bottom of the bearing wheel carrier component (1) is fixed on a bearing welding bracket (2), a first buffer plate (7) and a second buffer plate (10) are installed at the top of the overlapped guide rail (3), the first buffer plate (7) is positioned at the end part of the overlapped guide rail (3), a second buffer head (12) is fixed on the second buffer plate (10), and a third buffer plate (8) and a fourth buffer plate (14) are respectively installed at two ends of the bottom of the second buffer plate; the door leaf mechanism (25) comprises a door leaf (4), a first wheel carrier component (5) is installed on one side of the door leaf (4), a second wheel carrier component (11) is installed on the other side of the door leaf (4), and a first buffer head (6) is fixed on the first wheel carrier component (5); and a third buffer head (9) and a fourth buffer head (15) are respectively installed at two ends of the bearing welding bracket (2).

2. A novel platform door mechanism according to claim 1, characterized in that the said overlapping guide rail (3) is a structure of overlapping a plurality of cavities on a single guide rail.

3. A novel platform door mechanism according to claim 1, characterized in that the load-bearing welding bracket (2) is located below the overlapping guide rail (3).

4. A novel platform door operator mechanism according to claim 1 or 3, characterized in that a transmission mechanism (18) is mounted on the floor carrying the welding carriage (2).

5. A novel platform door machine mechanism according to claim 4, characterized in that, the transmission mechanism (18) comprises a motor (23), the motor (23) is fixed on the bearing welding bracket (2), the motor (23) is fixedly connected with a driving wheel assembly (21) through a motor bracket (22), and the driving wheel assembly (21) is connected with a driven wheel assembly (20) through a belt (17).

6. A novel platform door mechanism according to claim 5, characterized in that the belt (17) is sleeved with the belt buckle (16) and fixedly connected with the left and right ends of the door leaf (4) to form a closed loop.

7. A novel platform door mechanism according to claim 6, characterized in that the end of the belt (17) is provided with a tensioning assembly (19).