CN214659669U

CN214659669U - Half-height type shielding door of platform

Info

Publication number: CN214659669U
Application number: CN202120518369.7U
Authority: CN
Inventors: 喻广宁; 周家发; 余家达; 周桂军; 叶啟盈
Original assignee: Foshan Nanhai Khan High Track Traffic Equipment Co ltd
Current assignee: Foshan Nanhai Khan High Track Traffic Equipment Co ltd
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-11-09
Anticipated expiration: 2031-03-11

Abstract

The utility model discloses a platform half-height type shielding door, which comprises a bottom frame, a fixed side box and a support arranged on the bottom frame, a sliding door arranged between the fixed side box and the support, a guide rail transversely arranged on the sliding door, a plurality of sliding blocks fixedly arranged on the support and connected with the guide rail in a sliding way, and a traction mechanism used for driving the sliding door to move horizontally; the traction mechanism comprises a transmission belt, a first clamping mechanism and a second clamping mechanism which are arranged on the sliding door, and a driving device fixedly arranged on the support; the driving device is used for pulling the transmission belt to move horizontally. Although the utility model provides a half high formula shield door of platform has only adopted the single guide rail structure, nevertheless owing to reduced the quantity of guide rail and slider for a door body weight loss, the weight of the sliding door is also enough born in the cooperation of single guide rail and a plurality of slider, has solved two guide rail assembly accuracy problems, has reduced the door body noise switching problem that frictional resistance brought.

Description

Half-height type shielding door of platform

Technical Field

The utility model relates to a subway platform equipment technical field, in particular to half high formula shield door of platform.

Background

The half-height type shielding door is a safety facility for preventing passengers waiting for a bus from falling down a track and being injured by accident, the existing half-height type shielding door mainly adopts a double-guide-rail structure, a sliding door horizontally moves relative to a fixed side box under the guidance of the double guide rails, but the precision requirement of the double-guide-rail structure on the flatness and the parallelism between the two guide rails is higher, so that the difficulty in installing and adjusting a door body is high; in addition, each guide rail needs more than two sliding blocks to be connected with the sliding door, the friction resistance between the sliding blocks and the guide rails is large due to the fact that the number of the sliding blocks is large, and the noise of opening and closing the door body is increased due to the increase of the friction resistance.

It is seen that improvements and enhancements to the prior art are needed.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing prior art's weak point, an object of the utility model is to provide a half high formula shield door of platform of single guide rail structure aims at solving the assembly precision problem that the double rail structure brought, reduces the frictional resistance and the noise of sliding door switch.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a platform half-height type shielding door comprises a bottom frame, a fixed side box and a support arranged on the bottom frame, a sliding door arranged between the fixed side box and the support, a guide rail transversely arranged on the sliding door, a plurality of sliding blocks fixedly arranged on the support and connected with the guide rail in a sliding manner, and a traction mechanism used for driving the sliding door to horizontally move; the traction mechanism comprises a transmission belt, a first clamping mechanism and a second clamping mechanism which are arranged on the sliding door, and a driving device fixedly arranged on the support; one end of the transmission belt is clamped by the first clamping mechanism, the other end of the transmission belt is clamped by the second clamping mechanism, and the driving device is used for drawing the transmission belt to move horizontally.

The driving device comprises a motor, a driving wheel arranged on the output end of the motor, a mounting block fixedly arranged on the support, and a plurality of guide wheels rotatably arranged on the mounting block, wherein a transmission belt is wound around the guide wheels and the driving wheel and is in transmission connection with the driving wheel.

The guide wheels are arranged in two numbers, and the two guide wheels are respectively positioned on the left side and the right side of the driving wheel.

The first clamping mechanism comprises a first support plate fixedly arranged on the sliding door and a first clamping block arranged on the first support plate; the first clamping blocks are provided with a plurality of first through holes, the first support plate is provided with first screw holes corresponding to the first through holes, and the first through hole of each first clamping block penetrates through a first locking screw and is screwed into the corresponding first screw hole, so that the first clamping blocks and the first support plate clamp one end of the transmission belt together.

The second clamping mechanism comprises a second support plate and a second clamping block arranged on the second support plate; the first clamping block is provided with a plurality of second through holes, the second support plate is provided with second screw holes opposite to the second through holes, and the second through hole of each second clamping block penetrates through a second locking screw and is screwed into the corresponding second screw hole, so that the second clamping block and the second support plate clamp the other end of the transmission belt together; the second support plate is fixed on the sliding door through a tensioning adjusting screw.

The two ends of the mounting block are respectively provided with a first in-place sensor and a second in-place sensor, the first support plate is provided with a first adjusting screw rod, the second support plate is provided with a second adjusting screw rod, the first adjusting screw rod is used for triggering the first in-place sensor, and the second adjusting screw rod is used for triggering the second in-place sensor.

And an oil lubrication interface is arranged on the sliding block.

The driving wheel is a synchronous wheel, and the transmission belt is a synchronous belt.

The support comprises two vertical arms vertically arranged on the bottom frame and a connecting beam arranged between the two vertical arms, the driving device is arranged on the connecting beam, and the sliding block is arranged at the top of each vertical arm.

The top that the sliding door is right is provided with direction side pipe, be equipped with a plurality of groups guiding mechanism on the fixed side box, every guiding mechanism of group includes two leading wheels, and two leading wheels set up respectively in the both sides of direction side pipe, every the wheel face of leading wheel supports and presses on direction side pipe.

Has the advantages that:

compared with the prior art, though the utility model provides a half high formula shield door of platform has only adopted single guide rail structure, drive arrangement pulls drive belt horizontal migration, make the sliding door transversely stretch out or withdraw from fixed side box, nevertheless owing to reduced the quantity of guide rail and slider, make a body weight reduction, the weight of sliding door is also enough born in the cooperation of single guide rail and a plurality of slider, make the sliding door still can steadily support horizontal migration relatively, the double-guide rail assembly precision problem has been solved, the door body switching noise problem that frictional resistance brought has been reduced.

Drawings

Fig. 1 is a perspective view of the platform half-height type shield door provided by the present invention.

Fig. 2 is a partially enlarged view of the region L in fig. 1.

Fig. 3 is the structural schematic diagram of the driving belt drawn by the driving device in the platform half-height type shielding door provided by the utility model.

Fig. 4 is a right side view of the platform half-height type shield door provided by the present invention.

Fig. 5 is two front views of the platform half-height type shield door provided by the present invention in the door closing state.

Description of the main element symbols: 1-bottom frame, 2-fixed side box, 3-support, 4-sliding door, 51-guide rail, 52-slide block, 6-driving belt, 7-first clamping mechanism, 71-first support plate, 72-first clamping block, 73-first locking screw, 8-second clamping mechanism, 81-second support plate, 82-second clamping block and 83-second locking screw, 9-driving device, 91-motor, 92-driving wheel, 93-mounting block, 94-guiding wheel, 95-first in-place sensor, 96-second in-place sensor, 97-first adjusting screw, 98-second adjusting screw, 99-tensioning adjusting screw, 31-vertical arm, 32-connecting beam, 21-guiding wheel and 43-guiding square tube.

Detailed Description

The utility model provides a half high formula shield door of platform, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the following refers to the drawing and the embodiment is lifted the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the invention.

Referring to fig. 1-4, the present invention provides a platform half-height type shielding door, which comprises a bottom frame 1, a fixed side box 2 and a support 3 arranged on the bottom frame 1, a sliding door 4 arranged between the fixed side box 2 and the support 3, a guide rail 51 transversely arranged on the sliding door 4, a plurality of sliding blocks 52 fixedly arranged on the support 3 and slidably connected with the guide rail 51, and a traction mechanism for driving the sliding door 4 to move horizontally; the traction mechanism comprises a transmission belt 6, a first clamping mechanism 7 and a second clamping mechanism 8 which are arranged on the sliding door 4, and a driving device 9 which is fixedly arranged on the support 3; one end of the belt 6 is clamped by a first clamping mechanism 7, the other end is clamped by a second clamping mechanism 8, and the driving device 9 is used for drawing the belt 6 to move horizontally. Through practical tests, the matching of the single guide rail 51 and the two sliding blocks 52 is enough to bear the weight of the sliding door, and the sliding door 4 can also move horizontally relative to the support 3 smoothly, so that the two sliding blocks 52 are arranged in the euro crown in the embodiment.

In practical application, as shown in fig. 5, two opposite platform half-height type shielding doors form a passenger access passage, and the two platform half-height type shielding doors synchronously operate to realize the opening and closing of the two sliding doors 4. When the door is closed, the driving device 9 pulls the driving belt 6 to move horizontally, and under the guidance of the guide rail 51, the driving belt 6 drives the first clamping mechanism 7 to gradually get away from the driving device 9, and the second clamping mechanism 8 gradually gets close to the driving device 9, so that the sliding door 4 laterally extends out of the fixed side box 2. When the door is opened, the driving device 9 pulls the driving belt 6 to move reversely, under the guidance of the guide rail 51, the driving belt 6 drives the second clamping mechanism 8 to gradually get away from the driving device 9, and the first clamping mechanism 7 gradually gets close to the driving device 9, so that the sliding door 4 is transversely retracted into the fixed side box 2. Compared with the prior art, though the utility model provides a half high formula shield door of platform has only adopted single guide rail structure, nevertheless owing to reduced the quantity of guide rail 51 and slider 52 for a body weight loss, the weight of sliding door is also enough born in single guide rail 51 and two sliders 52's cooperation, makes sliding door 4 still can be steadily relative 3 horizontal migration of support, has solved double guide rail 51 assembly precision problem, has reduced the door body switching noise problem that frictional resistance brought.

Specifically, as shown in fig. 1 and fig. 3, the driving device 9 includes a motor 91, a driving wheel 92 disposed at an output end of the motor 91, a mounting block 93 fixedly disposed on the support 3, and a plurality of guiding wheels 94 rotatably disposed on the mounting block 93, and the driving belt 6 is wound around the guiding wheels 94 and the driving wheel 92 and is in transmission connection with the driving wheel 92. The motor 91 is electrically connected with the control center; that is, the motor 91 drives the driving pulley 92 to rotate, and the driving pulley 92 pulls the transmission belt 6 to move horizontally.

In order to prevent the sliding and to have an accurate transmission ratio, the driving wheel 92 is a synchronous wheel, and the transmission belt 6 is a synchronous belt, so that the sliding door 4 can be smoothly moved due to high stability of the tooth socket transmission. Of course, the transmission belt 6 may be a belt, the driving wheel 92 is a belt wheel, and the driving wheel 92 drives the belt to move by friction.

Further, two guide wheels 94 are provided, and the two guide wheels 94 are respectively located at the left and right sides of the driving wheel 92. By this arrangement, the path of the transmission belt 6 passing through the guide wheel 94 and the driving wheel 92 is U-shaped, so that the transmission belt 6 can be tightly attached to the driving wheel 92, and the transmission effectiveness can be ensured.

In the present embodiment, as shown in fig. 1 and fig. 2, the first clamping mechanism 7 includes a first support plate 71 fixedly disposed on the sliding door 4, and a first clamping block 72 disposed on the first support plate 71; the first clamping block 72 is provided with a plurality of first through holes, the first support plate 71 is provided with first screw holes corresponding to the plurality of first through holes, and the first through hole of each first clamping block 72 penetrates through a first locking screw 73 and is screwed into the corresponding first screw hole, so that the first clamping block 72 and the first support plate 71 clamp one end of the transmission belt 6 together. When the belt 6 needs to be replaced or maintained, the first locking screw 73 is loosened, the fixing of the belt 6 is released, and the belt 6 is removed.

Further, as shown in fig. 1 and 3, the second clamping mechanism 8 includes a second support plate 81, and a second clamping block 82 disposed on the second support plate 81; the first clamping block 72 is provided with a plurality of second through holes, the second support plate 81 is provided with second screw holes opposite to the plurality of second through holes, and the second through hole of each second clamping block 82 penetrates through a second locking screw 83 and is screwed into the corresponding second screw hole, so that the second clamping block 82 and the second support plate 81 clamp the other end of the transmission belt 6 together; the second plate 81 is fixed to the sliding door 4 by means of tensioning adjustment screws 99. After the two ends of the transmission belt 6 are respectively clamped by the first clamping mechanism 7 and the second clamping mechanism 8, the transmission belt 6 can be tensioned by adjusting the tensioning adjusting screw 99. Similarly, when the belt 6 needs to be replaced or maintained, the second locking screw 83 is loosened, the fixing of the belt 6 is released, and the belt 6 is removed.

Preferably, as shown in fig. 3, a first in-position sensor 95 and a second in-position sensor 96 are respectively disposed at two ends of the mounting block 93, a first adjusting screw 97 is disposed on the first support plate 71, and a second adjusting screw 98 is disposed on the second support plate 81; when the head of the first adjusting screw 97 touches the first in-position sensor 95, the sliding door 4 is retracted into the fixed side box 2 and is in position, and the two sliding doors 4 are opened and are in position; the first in-place sensor 95 feeds back a signal to the control center, and the control center controls the motor 91 to stop working. When the head of the second adjusting screw 98 touches the second in-place sensor 96, it indicates that the sliding doors 4 extend out of the fixed side box 2 to be in place, the two sliding doors 4 are closed in place, the second in-place sensor 96 feeds back a signal to the control center, and the control center controls the motor 91 to stop working. The positions of the head of the first adjusting screw 97 and the head of the second adjusting screw 98 can be adjusted by screwing the first adjusting screw 97 and the second adjusting screw 98, so that the position to which the sliding door 4 is to be reached is adjusted, the operation is simple, and the adjustment is convenient.

In order to ensure smooth movement of the sliding door 4 during operation and further reduce noise, the guide rail 51 is lubricated with oil; in order to further reduce the maintenance period and improve the lubrication effect, the sliding block 52 is provided with an oil lubrication interface, and the sliding block 52 is used for continuously lubricating the guide rail 51 in the working process by injecting oil into the oil lubrication interface.

Specifically, as shown in fig. 1, the support 3 includes two vertical arms 31 vertically disposed on the base frame 1, a connecting beam 32 disposed between the two vertical arms 31, the driving device 9 is disposed on the connecting beam 32, and the sliding block 52 is disposed on the top of the vertical arms 31. The underframe 1 is fixedly connected with the ground through expansion screws.

Preferably, as shown in fig. 1 and 4, the sliding door 4 includes a door frame 31 and glass 42, a square guide pipe 43 is disposed at the top of the pair of sliding doors 4, a plurality of sets of guide mechanisms are disposed on the fixed side box 2, each set of guide mechanism includes two guide wheels 21, the two guide wheels 21 are respectively disposed on two sides of the square guide pipe 43, and a wheel surface of each guide wheel 21 abuts against the square guide pipe 43.

It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.

Claims

1. A platform half-height type shielding door is characterized by comprising a bottom frame, a fixed side box and a support arranged on the bottom frame, a sliding door arranged between the fixed side box and the support, a guide rail transversely arranged on the sliding door, a plurality of sliding blocks fixedly arranged on the support and connected with the guide rail in a sliding manner, and a traction mechanism used for driving the sliding door to move horizontally; the traction mechanism comprises a transmission belt, a first clamping mechanism and a second clamping mechanism which are arranged on the sliding door, and a driving device fixedly arranged on the support; one end of the transmission belt is clamped by the first clamping mechanism, the other end of the transmission belt is clamped by the second clamping mechanism, and the driving device is used for drawing the transmission belt to move horizontally.

2. A platform screen door according to claim 1, wherein the drive means comprises a motor, a drive wheel disposed at the output of the motor, a mounting block fixedly disposed on the support, a plurality of guide wheels rotatably disposed on the mounting block, and a drive belt passing around the guide wheels and the drive wheel and in driving connection with the drive wheel.

3. A platform screen door according to claim 2, wherein there are two guide wheels, one on each side of the drive wheel.

4. A platform screen door according to claim 2, wherein the first clamping mechanism comprises a first strip fixedly provided on the sliding door, a first clamp block provided on the first strip; the first clamping blocks are provided with a plurality of first through holes, the first support plate is provided with first screw holes corresponding to the first through holes, and the first through hole of each first clamping block penetrates through a first locking screw and is screwed into the corresponding first screw hole, so that the first clamping blocks and the first support plate clamp one end of the transmission belt together.

5. A platform half-height screen door according to claim 4, wherein the second clamping mechanism comprises a second strip, a second clamp block provided on the second strip; the first clamping block is provided with a plurality of second through holes, the second support plate is provided with second screw holes opposite to the second through holes, and the second through hole of each second clamping block penetrates through a second locking screw and is screwed into the corresponding second screw hole, so that the second clamping block and the second support plate clamp the other end of the transmission belt together; the second support plate is fixed on the sliding door through a tensioning adjusting screw.

6. A platform screen door according to claim 5, wherein the mounting block is provided at each end with a first in-position sensor and a second in-position sensor, the first support plate is provided with a first adjustment screw, the second support plate is provided with a second adjustment screw, the first adjustment screw is used to trigger the first in-position sensor, and the second adjustment screw is used to trigger the second in-position sensor.

7. A platform screen door according to claim 1, wherein the slider is provided with an oil lubricated interface.

8. A platform screen door according to claim 2, wherein the drive wheel is a timing wheel and the drive belt is a timing belt.

9. A platform screen door according to claim 1, wherein the support comprises two vertical arms arranged vertically on the chassis, a connecting beam arranged between the two vertical arms, the drive means being arranged on the connecting beam, the slider being arranged at the top of the vertical arms.

10. A platform screen door according to claim 1, wherein a square guide tube is provided at the top of the sliding door pair, a plurality of sets of guide mechanisms are provided on the fixed side box, each set of guide mechanism includes two guide wheels, the two guide wheels are respectively provided at two sides of the square guide tube, and a wheel surface of each guide wheel is pressed against the square guide tube.