Shielding door device of high-speed rail platform
By adopting a scissor lift mechanism and chain drive system in the platform screen door device of high-speed railway stations, and using a single drive motor to achieve synchronous lifting and linkage of the lifting components and ropes, the problem of requiring two sets of power drive sources in the existing technology is solved, and the synchronization and efficiency of the equipment are improved.
Patent Information
- Application Number
- CN202520135077.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-21
AI Technical Summary
In existing high-speed railway platform screen door devices, the lifting components and ropes require two sets of power drive sources, and cannot be linked, resulting in complex structure and low efficiency.
A single drive motor is used to achieve synchronous lifting and linkage of the lifting components and ropes through a scissor lift mechanism and chain drive system.
The drive structure has been simplified, the synchronization and efficiency of the lifting components and ropes have been improved, and the equipment cost and maintenance difficulty have been reduced.
Smart Images

Figure CN223738519U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to high -speed railway platform shielding door technical field, concretely relates to a high -speed railway platform shielding door device. BACKGROUND
[0002] In order to prevent the personnel on the platform from falling off the platform accidentally and causing danger, the current way of installing shielding doors is used to separate the personnel on the platform from the high-speed trains, wherein the shielding doors include a plurality of bases arranged along the length direction of the platform, each base is provided with a lifting assembly capable of moving in the vertical direction, and a rope is connected between adjacent lifting assemblies to form the shielding door. When the high-speed train is stable and passengers are allowed to get on or off the train, the lifting assembly moves upward, so that the rope moves upward, and the shielding door formed by the rope no longer separates the personnel on the platform from the high-speed train. At other times, the lifting assembly moves downward to make the rope move downward to form the shielding door, so as to separate the personnel on the platform from the high-speed train and ensure the safety of the personnel.
[0003] At present, in order to improve the range of the lifting of the rope, the lifting assembly drives the rope to move upward and downward relative to the base, and the rope can also move upward and downward relative to the lifting assembly.
[0004] Among them, the lifting drive of the lifting assembly relative to the base and the lifting drive of the rope relative to the lifting assembly are realized by separate driving mechanisms, on the one hand, two sets of power driving sources are needed, and on the other hand, the linkage of the lifting of the lifting assembly and the lifting of the rope cannot be realized.
[0005] Therefore, the present application provides a high-speed railway platform shielding door device, which realizes the linkage of the lifting of the lifting assembly and the lifting of the rope by one driving motor. CONTENT OF THE UTILITY MODEL
[0006] The utility model aims at overcoming the defects of the prior art, and provides a high-speed railway platform shielding door device.
[0007] To achieve the above object, the utility model adopts the following technical scheme:
[0008] A high-speed railway platform shielding door device includes at least two bases arranged along the length direction of the platform, and the base is slidably connected with a lifting assembly in the vertical direction.
[0009] The lifting assembly is internally provided with a scissor-type lifting mechanism extending in the vertical direction, a plurality of rope blocks are uniformly distributed on the scissor-type lifting mechanism in the vertical direction, the rope blocks are connected with the middle hinge shaft of the scissor-type lifting mechanism, and the rope blocks at the corresponding height in the adjacent lifting assemblies are provided with a rope in a horizontal state.
[0010] The uppermost rope block is a fixed rope block, and the rest of the rope blocks are sliding rope blocks; first vertical columns extending in the vertical direction are arranged on both sides of the lifting assembly, the fixed rope block is fixedly connected with the lifting assembly, two first sliding grooves are arranged on the sliding rope block, and first sliding films for vertically sliding with the corresponding first vertical columns are fixedly arranged on the inner side of the first sliding grooves;
[0011] First sprockets are rotationally connected to the upper part and the lower part of the lifting assembly, and a first chain is sleeved on the two first sprockets; one side of the first chain is fixedly connected with the middle hinge shaft at the lower end of the scissor-type lifting mechanism.
[0012] A second sprocket is arranged on the lower part of the base, and a third sprocket is arranged on the upper part of the base; a second chain is sleeved on the corresponding third sprocket and second sprocket; the third sprocket is connected with the driving motor; and the second chain is fixedly connected with the lifting assembly.
[0013] A connecting column is fixedly arranged on the base, and the first chain is fixedly connected with the connecting column.
[0014] When the driving motor drives the second chain to drive the lifting assembly to ascend, the first chain pulls the lower end of the scissor-type lifting mechanism upward, the scissor-type lifting mechanism is contracted, and the sliding rope block moves upward to realize synchronous ascending of the corresponding rope; when the driving motor drives the second chain to drive the lifting assembly to descend, the first chain pulls the lower end of the scissor-type lifting mechanism downward, the scissor-type lifting mechanism is expanded, and the sliding rope block moves downward to realize synchronous descending of the corresponding rope.
[0015] Preferably, the first sliding film is made of peek material.
[0016] Preferably, the first sliding groove has an arc-shaped cross section, and the first sliding film has an arc-shaped cross section.
[0017] A plurality of first grooves are uniformly arranged on the radial inner side of the first sliding film in the circumferential direction.
[0018] Preferably, a connecting plate is fixedly arranged on the rear side of the lifting assembly, and the connecting plate is fixedly connected with the second chain.
[0019] Preferably, a first connecting sliding block is arranged on the connecting plate, and a slide rail extending in the vertical direction and slidingly connected with the first connecting sliding block is arranged on the base.
[0020] Preferably, second connecting sliding blocks are symmetrically arranged on the left side and the right side of the lifting assembly, and two second vertical columns extending in the vertical direction are arranged on the base.
[0021] The second connecting sliding blocks and the corresponding second vertical columns are vertically and slidingly connected.
[0022] Preferably, the second connecting sliding block is provided with a through circular hole in the vertical direction, a second sliding film is coaxially fixed in the circular hole, the second sliding film has a circular ring structure, and the radial inner end surface of the second sliding film is in sliding fit with the corresponding second stand.
[0023] Preferably, the second sliding film is made of peek material.
[0024] Preferably, the radial inner side of the second sliding film is uniformly provided with a plurality of second grooves in the circumferential direction.
[0025] Preferably, the two sides of the lifting assembly and the base are provided with rope penetrating slits for the corresponding ropes to move up and down.
[0026] The utility model discloses the beneficial effect is:
[0027] The utility model discloses the beneficial effect is: ATTACHED DRAWINGS
[0028] The drawings accompanying the specification provide further understanding of the present application, the illustrative embodiment of the present application and the explanation thereof serve to explain the present application, and do not constitute improper limitation to the present application.
[0029] Figure 1 It is the structural schematic diagram of high -speed rail platform shielding door device of the utility model,
[0030] Figure 2 It is the structural schematic diagram of lifting assembly, scissor -type lifting assembly, rope block in the utility model,
[0031] Figure 3 It is the cooperation of driving motor, first chain, second chain in the utility model Figure 1 ;
[0032] Figure 4 It is the cooperation of driving motor, first chain, second chain in the utility model
[0033] Figure 5 It is the cooperation of driving motor, first chain, second chain in the utility model Figure 2 ;
[0034] Figure 6is the cooperation schematic view of the first vertical column and the first sliding film in the utility model;
[0035] Figure 7 is the cooperation schematic view of the second vertical column and the second movable film in the utility model;
[0036] Figure 8 is the structure schematic view of the scissor type lifting assembly in the utility model;
[0037] Figure 9 is the structure schematic view of the base, the lifting assembly and the rope strip seam in the utility model;
[0038] Among them:
[0039] 01-lifting assembly, 011-first vertical column, 012-first sprocket, 013-first chain, 014-connection plate, 015-first connection sliding block, 016-second connection sliding block;
[0040] 02-rope;
[0041] 03-base, 031-second sprocket, 032-third sprocket, 033-second chain, 034-driving motor, 035-sliding rail, 036-second vertical column, 037-connection column, 038-chain connection plate;
[0042] 1-rope block;
[0043] 2-scissor type lifting mechanism, 21-first connecting rod, 22-second connecting rod, 23-third connecting rod, 24-fourth connecting rod, 25-fifth connecting rod, 26-sixth connecting rod;
[0044] 3-first sliding film, 31-first groove;
[0045] 4-second sliding film, 41-second groove;
[0046] 5-rope strip seam. DETAILED DESCRIPTION
[0047] It should be noted that the following detailed description is illustrative only, and is intended to provide further description in order to provide a further understanding of the application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
[0048] It should be noted that the terms used herein are only for the purpose of describing the specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.
[0049] In this utility model, terms such as "upper", "lower", "bottom", and "top" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only used to facilitate the description of the structural relationship between the various components or elements of this utility model and do not specifically refer to any component or element in this utility model. They should not be construed as limiting this utility model.
[0050] In this utility model, terms such as "connected" and "linked" should be interpreted broadly, indicating a fixed connection, an integral connection, or a detachable connection; a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in this utility model can be determined according to the specific circumstances, and should not be construed as a limitation of this utility model.
[0051] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0052] like Figures 1-9 As shown, a high-speed railway platform screen door device includes at least two bases 03 arranged along the length of the platform, and a lifting assembly 01 is slidably fitted on the bases 03 in the vertical direction.
[0053] The lifting assembly 01 is provided with a scissor-type lifting mechanism 2 extending vertically. Several rope blocks 1 are evenly distributed on the scissor-type lifting mechanism 2 along the vertical direction. The rope blocks 1 are connected to the middle hinge shaft of the scissor-type lifting mechanism 2. Horizontal ropes 02 are arranged between rope blocks 1 at corresponding heights in adjacent lifting assemblies 01. Multiple ropes 02 distributed vertically are arranged between two rope blocks 1.
[0054] The scissor lift mechanism 2 includes multiple interlocking cross units that are sequentially hinged to each other. Each cross unit includes a first link 21 and a second link 22. The first link 21 and the second link 22 intersect to form an "X"-shaped structure and are hinged together by a central hinge axis. The first link 21 and the second link 22 of adjacent cross units are hinged to each other at one end. The uppermost cross unit has the upper end of the first link 21 hinged to the third link 23 and the upper end of the second link 22 hinged to the fourth link 24. The opposite ends of the third link 23 and the fourth link 24 are hinged together. The lowermost cross unit has the lower end of the first link 21 hinged to the fifth link 25 and the lower end of the second link 22 hinged to the sixth link 26. The opposite ends of the fifth link 25 and the sixth link 26 are hinged together.
[0055] The uppermost rope block 1 is a fixed rope block, and the remaining rope blocks 1 are sliding rope blocks; first vertical columns 011 extending in the vertical direction are arranged on both sides of the lifting assembly 01, the fixed rope block is fixedly connected with the lifting assembly 01, and two first sliding grooves are arranged on the sliding rope block; the inner side of the first sliding groove is fixedly provided with a first sliding film 3 used for vertical sliding fit with the corresponding first vertical column 011;
[0056] First sprockets 012 are rotationally fitted at the upper portion and the lower portion of the lifting assembly 01, and a first chain 013 is sleeved on the two first sprockets 012; one side of the first chain 013 is fixedly connected with the middle hinge shaft at the lowermost end of the scissor-type lifting mechanism 2.
[0057] A second sprocket 031 is arranged at the lower portion of the base 03, a third sprocket 032 is arranged at the upper portion of the base 03, a second chain 033 is sleeved on the corresponding third sprocket 032 and second sprocket 031 in an up-down manner, the third sprocket 032 is adaptively connected with a driving motor 034, and the second chain 033 is fixedly connected with the lifting assembly 01.
[0058] A connecting column 037 is fixedly arranged on the base 03, and the first chain 013 is fixedly connected with the connecting column 037; the connecting point of the first chain 013 and the connecting column 037 and the connecting point of the first chain 013 and the scissor-type lifting mechanism 2 are arranged on the left side and the right side of the first chain 013, that is, the moving directions of the above two connecting points are opposite when the first chain 013 is driven; specifically, the connecting column 037 is connected with the first chain 013 through a chain connecting plate 038.
[0059] When the driving motor 034 drives the second chain 033 to drive the lifting assembly 01 to ascend, the first chain 013 pulls the lower end of the scissor-type lifting mechanism 2 upwards, the scissor-type lifting mechanism 2 is contracted, the sliding rope block moves upwards, and the synchronous ascending of the corresponding rope 02 is realized; when the driving motor 034 drives the second chain 033 to drive the lifting assembly 01 to descend, the first chain 013 pulls the lower end of the scissor-type lifting mechanism 2 downwards, the scissor-type lifting mechanism 2 is unfolded, the sliding rope block moves downwards, and the synchronous descending of the corresponding rope 02 is realized.
[0060] Preferably, the first sliding film 3 is made of peek material and has the characteristics of wear resistance and self-lubrication.
[0061] Preferably, the cross section of the first sliding groove is in an arc structure, and the cross section of the first sliding film 3 is in an arc structure.
[0062] The radial inner side of the first sliding film 3 is uniformly provided with a plurality of first grooves 31 in the circumferential direction, the first grooves 31 reduce the contact area of the first sliding film 3 and the first vertical column 011, and the abrasion is reduced.
[0063] Preferably, the rear side of the lifting assembly 01 is fixedly provided with a connecting plate 014, which is fixedly connected with the second chain 033.
[0064] Preferably, the connecting plate 014 is provided with a first connecting sliding block 015, and the base 03 is provided with a sliding rail 035 extending in the vertical direction and in sliding fit with the first connecting sliding block 015.
[0065] Preferably, the left and right sides of the lifting assembly 01 are symmetrically provided with a second connecting sliding block 016, and the base 03 is provided with two second vertical columns 036 extending in the vertical direction.
[0066] The second connecting sliding block 016 and the corresponding second vertical column 036 are in vertical sliding fit.
[0067] Preferably, the second connecting sliding block 016 is provided with a through circular hole in the vertical direction, and a second sliding film 4 is fixedly arranged in the circular hole in a coaxial manner, the second sliding film 4 has a circular ring structure, and the radial inner end surface of the second sliding film 4 is in sliding fit with the corresponding second vertical column 036.
[0068] Preferably, the second sliding film 4 is made of peek material and has the characteristics of wear resistance and self-lubrication.
[0069] Preferably, the radial inner side of the second sliding film 4 is uniformly provided with a plurality of second grooves 41 in the circumferential direction, and the second grooves 41 reduce the contact area between the second sliding film 4 and the second vertical column 036 and reduce wear.
[0070] Preferably, the two sides of the lifting assembly 01 and the base 03 are provided with rope penetrating slits 5 for the corresponding ropes 02 to move up and down.
[0071] When the lifting assembly 01 and the corresponding base 03 are located at the two end positions, the rope penetrating slit 5 on the side without the installed rope 02 is plugged by a sealing plate.
[0072] A high-speed rail platform shielding door device has the following specific implementation:
[0073] When the high-speed train is stopped to allow passengers to get on or off, the driving motor 034 drives the second chain 033 to drive the lifting assembly 01 to rise, and at the same time, the lifting assembly 01 rises, the first chain 013 is pulled down on the left side of the connecting column 037 due to the fixed connection between the first chain 013 and the connecting column 037, so that the right side of the first chain 013 pulls the lower end of the scissor lifting mechanism 2 upward, the scissor lifting mechanism 2 is contracted, each sliding rope block moves upward to realize the synchronous upward movement of the corresponding rope 02, and the shielding door formed by the rope 02 no longer separates the platform personnel from the high-speed train.
[0074] In the remaining time, the driving motor 034 drives the second chain 033 to drive the lifting assembly 01 to descend, and when the lifting assembly 01 descends, the first chain 013 is pulled up on the left side of the connecting column 037 due to the fixed connection of the first chain 013 and the connecting column 037, so that the right side of the first chain 013 pulls down the lower end of the scissor lifting mechanism 2, the scissor lifting mechanism 2 is unfolded, each sliding rope block moves downward to realize the synchronous descent of the corresponding rope 02, and the rope 02 moves downward to form a shielding door to separate the platform personnel from the high-speed train and ensure the safety of the personnel.
[0075] Although the specific embodiments of the utility model have been described in combination with the drawings, it is not a limitation of the utility model, and those skilled in the art should understand that various modifications or deformations made by those skilled in the art on the basis of the technical scheme of the utility model without creative labor are still within the protection scope of the utility model.
Claims
1. A high-speed rail platform shielding door device, comprising at least two bases arranged along the length direction of the platform, and a lifting assembly slidingly fitted on the base in the vertical direction; characterized in that, an internal scissor lifting mechanism extending in the vertical direction is arranged in the lifting assembly, a plurality of rope blocks are uniformly distributed on the scissor lifting mechanism in the vertical direction, the rope blocks are connected with the middle hinge shaft of the scissor lifting mechanism, and a rope in a horizontal state is arranged between the rope blocks at corresponding heights in adjacent lifting assemblies; the uppermost rope block is a fixed rope block, and the remaining rope blocks are sliding rope blocks; first vertical columns extending in the vertical direction are arranged on both sides of the internal lifting assembly, the fixed rope block is fixedly connected with the lifting assembly, two first sliding grooves are arranged on the sliding rope blocks, and first sliding films for vertically slidingly fitting with the corresponding first vertical columns are fixedly arranged on the inner sides of the first sliding grooves; first sprockets are rotationally fitted on the upper and lower parts of the lifting assembly, and a first chain is sleeved on the two first sprockets, and one side of the first chain is fixedly connected with the middle hinge shaft at the lower end of the scissor lifting mechanism; a second sprocket is arranged on the lower part of the base, a third sprocket is arranged on the upper part of the base, a second chain is sleeved on the corresponding third sprocket and second sprocket, the third sprocket is adaptively connected with a driving motor, and the second chain is fixedly connected with the lifting assembly; a connecting column is fixedly arranged on the base, and the first chain is fixedly connected with the connecting column; when the driving motor drives the second chain to drive the lifting assembly to ascend, the first chain pulls the lower end of the scissor lifting mechanism upward, the scissor lifting mechanism is contracted, the sliding rope blocks move upward to realize the synchronous ascent of the corresponding ropes, and when the driving motor drives the second chain to drive the lifting assembly to descend, the first chain pulls the lower end of the scissor lifting mechanism downward, the scissor lifting mechanism is expanded, the sliding rope blocks move downward to realize the synchronous descent of the corresponding ropes.
2. The high-speed platform screen door apparatus of claim 1, wherein, The first sliding film is made of peek material.
3. The high-speed platform screen door apparatus of claim 2, wherein, The cross section of the first sliding groove is in an arc structure, and the cross section of the first sliding film is in an arc structure. A plurality of first grooves are uniformly arranged on the radial inner side of the first sliding film in the circumferential direction.
4. The high-speed platform screen door apparatus of claim 1, wherein, A connecting plate is fixedly arranged on the rear side of the lifting assembly, and the connecting plate is fixedly connected with the second chain.
5. The high-speed platform screen door apparatus of claim 4, wherein, A first connecting sliding block is arranged on the connecting plate, and a slide rail extending in the vertical direction and slidingly fitted with the first connecting sliding block is arranged on the base.
6. The high-speed platform screen door apparatus of claim 1, wherein, Second connecting sliding blocks are symmetrically arranged on the left and right sides of the lifting assembly, and two second vertical columns extending in the vertical direction are arranged on the base. The second connecting sliding blocks and the corresponding second vertical columns are vertically slidingly fitted.
7. The high-speed platform screen door apparatus of claim 6, wherein, A circular hole extending in the vertical direction is arranged on the second connecting sliding block, a second sliding film is coaxially fixedly arranged in the circular hole, the second sliding film is in a circular ring structure, and the radial inner end surface of the second sliding film is slidingly fitted with the corresponding second vertical column.
8. The high-speed platform screen door apparatus of claim 7, wherein, The second sliding film is made of peek material.
9. The high-speed platform screen door apparatus of claim 7, wherein, A plurality of second grooves are uniformly arranged on the radial inner side of the second sliding film in the circumferential direction.
10. The high-speed platform screen door apparatus of claim 1, wherein, Rope passing slits for the upward and downward movement of the corresponding ropes are arranged on both sides of the lifting assembly and the base.