CN116464383A - A shield door structure for high-speed railway platform - Google Patents
A shield door structure for high-speed railway platform Download PDFInfo
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- CN116464383A CN116464383A CN202310561546.3A CN202310561546A CN116464383A CN 116464383 A CN116464383 A CN 116464383A CN 202310561546 A CN202310561546 A CN 202310561546A CN 116464383 A CN116464383 A CN 116464383A
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- driving
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- door structure
- speed rail
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- 230000000670 limiting effect Effects 0.000 claims description 32
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B11/00—Means for allowing passage through fences, barriers or the like, e.g. stiles
- E06B11/02—Gates; Doors
- E06B11/021—Wire gates, e.g. traction gates; Fastenings therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Platform Screen Doors And Railroad Systems (AREA)
Abstract
The utility model provides a shielding door structure for a high-speed rail platform, which relates to the technical field of rail transit and comprises a plurality of upright posts and pull ropes arranged between two adjacent upright posts, wherein lifting posts are arranged on the upright posts, sliding blocks are arranged on the lifting posts, balance blocks are arranged on the upright posts, driving machines and driving chains are arranged at the top ends of the upright posts, one end of each driving chain is connected with the lifting post, and one end of each driving chain, which is far away from the lifting post, is connected with the corresponding balance block; the lifting column is provided with a rotating roller, the rotating roller is provided with a driving belt, one end of the driving belt is connected with the sliding block, and one end of the driving belt, which is far away from the sliding block, is connected with the upright post. The utility model has simple arrangement, the distance between the upright posts is prolonged by the pull rope type shielding door, one shielding door area can correspond to the doors of various trains, the utility model is suitable for different requirements of different door opening positions of the trains, passengers can get on and off the trains conveniently, and the pull rope can be effectively prevented from falling off a platform when being lowered by adopting the lifting of the multiple sliding blocks and the multiple pull ropes, and the safety is high.
Description
Technical Field
The utility model relates to the technical field of rail transit, in particular to a shielding door structure for a high-speed rail platform.
Background
With the development of cities, there is an increasing demand for rail vehicles that receive transportation functions between cities and suburbs. Along with the diversified development situation of each region, the actual demands of the rail vehicles are quite different, subways (including underground railways and overground urban irons) inside cities, trains (including motor cars, high-speed rails and ordinary trains) between cities and the like are commonly called as rail transit vehicles.
The traffic on the platform of the rail transit vehicles is high in traffic flow, the rail transit running speed is high, and shielding doors are required to be arranged at the platform to separate platform personnel from the rail transit vehicles, so that the danger caused by the fact that the platform personnel accidentally fall off the platform is avoided. For example, chinese patent utility model CN206769653U provides a rail transit platform screen door comprising: the protection wall, the shielding door and the motor component comprise a high-speed motor, a gear reduction box and a transmission rack, wherein the gear reduction box is provided with an input end and an output end, the transmission rack is used for being mounted on a rail transit platform door, and the transmission gear is meshed with the transmission rack; the battery box assembly comprises a protection track and an energy battery, wherein the two ends of the protection track are an open end and a closed end respectively, a first metal contact piece is arranged on the closed end and is electrically connected with the high-speed motor, and the energy battery is provided with a second metal contact piece. The utility model is provided with the motor component and the battery box component, a set of shielding door opening system with a self-contained power supply can be formed, when the shielding door fails and can not be opened, the shielding door can be opened quickly by pushing the energy battery through the high-speed motor, and the utility model has the advantages of simple use, reliable system operation and quick opening of the shielding door.
The above platform screen door construction still suffers from the following problems: in order to adapt to different passenger traffic, the trains are generally grouped, such as two-grouped trains, three-grouped trains and the like, different trains are used for adapting to the stopping of the trains with different groups, or in order to meet the boarding and disembarking requirements of different platforms, multiple platforms with different groups possibly exist on one line at the same time, that is, the opening positions of the doors of different trains are different, so that the shielding doors and the doors cannot correspond, and passengers can get on and get off the train very inconveniently.
Therefore, in order to solve the above problems, it is necessary to design a reasonably efficient floor drain structure suitable for the assembled bathroom bottom box.
Disclosure of Invention
The utility model aims to provide a shielding door structure for a high-speed rail platform, which is simple in arrangement, and can be used for enabling a shielding door area to correspond to doors of various trains through a distance between upright posts by a rope pulling type shielding door, so that the shielding door structure is suitable for different requirements of different train door opening positions, passengers can get on and off the trains conveniently, and the lifting of multiple sliding blocks and multiple pulling ropes is adopted, so that when the pulling ropes are lowered, people can be effectively prevented from falling off the platform, and the safety is high.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
the utility model provides a screen door structure for high-speed railway platform, includes a plurality of stand and sets up the stay cord between two adjacent stands, be provided with the lift post on the stand, be provided with on the lift post be used for with the slider of stay cord connection, be provided with the balancing piece on the stand, the stand top be provided with the driving machine and with the drive chain that the driving machine is connected, drive chain one end with the lift post is connected, the drive chain is kept away from the one end of lift post is connected with the balancing piece; the lifting column is provided with a rotating roller, the rotating roller is provided with a driving belt, one end of the driving belt is connected with the sliding block, and one end of the driving belt, which is far away from the sliding block, is connected with the upright column.
As the preferable mode of the utility model, a first limiting block for conveniently limiting the sliding direction of the lifting column and a second limiting block for limiting the sliding direction of the balance block are arranged on the upright column, and a third limiting block for limiting the sliding direction of the sliding block is arranged on the lifting column.
As the optimization of the utility model, the first limiting block, the second limiting block and the third limiting block are all vertically arranged.
Preferably, the number of the sliding blocks is at least two.
Preferably, the lowermost slider is connected to the drive belt.
Preferably, the sliding block is provided with a hook for connecting with the pull rope.
As the preferable mode of the utility model, the number of the hooks is at least one, the hooks comprise adjusting blocks arranged on the sliding blocks and adjusting screw rods used for being connected with the adjusting blocks, sliding grooves used for facilitating sliding of the adjusting blocks are arranged on the sliding blocks, the sliding grooves and the adjusting screw rods are both horizontally arranged, the adjusting blocks are C-shaped pieces, and cross rods used for being connected with the pull ropes are arranged at openings of the adjusting blocks.
Preferably, the drive machine is provided with a drive sprocket, and the drive chain is connected with the drive sprocket in a meshed manner.
Preferably, the upright post is provided with a display screen, and the display screen is an ink screen.
In a preferred aspect of the present utility model, a power supply is provided in the upright, and the power supply is a 24V dc power supply.
The shielding door structure for the high-speed rail platform has the beneficial effects that: the device is simple in arrangement, the distance between the stand columns is prolonged through the pull rope type shielding door, the door of a plurality of trains can be corresponding to one shielding door area, the device is suitable for different requirements of different train door opening positions, passengers can get on and off the trains conveniently, and the lifting of the plurality of sliding blocks and the pull ropes is adopted, so that when the pull ropes fall down, people can be effectively prevented from falling off a platform, the safety is high, and the device has a good energy-saving effect.
Drawings
FIG. 1 is a schematic view of a screen door structure according to an embodiment of the present utility model;
FIG. 2 is a schematic view of the structure of the pillar in one embodiment of a screen door structure for a high-speed rail platform according to the present utility model;
FIG. 3 is a schematic view of a two-stage lift structure in one embodiment of a screen door structure for a high-speed rail station according to the present utility model;
FIG. 4 is a schematic side view of FIG. 3;
FIG. 5 is a schematic view of the structure of the lifting column in one embodiment of a screen door structure for a high-speed rail station according to the present utility model;
FIG. 6 is a schematic view of the structure of the slider in one embodiment of a screen door structure for a high-speed rail station according to the present utility model;
in the figure: 1. upright post, 101, first stopper, 102, second stopper, 11, driving machine, 111, drive sprocket, 12, driving chain, 13, balancing weight, 2, lifting column, 201, third stopper, 21, slider, 22, rotating roller, 23, driving belt, 24, couple, 241, regulating block, 242, adjusting screw, 243, horizontal pole, 25, spout.
Detailed Description
The following are specific examples of the present utility model, and the technical solutions of the present utility model are further described, but the present utility model is not limited to these examples.
Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the modules and steps set forth in these embodiments and the steps do not limit the scope of the present utility model unless specifically stated otherwise.
Meanwhile, it should be understood that the flow in the drawings is not merely performed alone, but a plurality of steps are performed to cross each other for convenience of description.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the present utility model product, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.
Techniques, methods, and systems known to those of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the authorization specification where appropriate.
Embodiment one: as shown in fig. 1 to 6, which are only embodiments of the present utility model, a screen door structure for a high-speed rail platform includes a plurality of columns 1 and a pull rope 3 disposed between two adjacent columns 1, wherein a lifting column 2 is disposed on the columns 1, a sliding block 21 for connecting with the pull rope 3 is disposed on the lifting column 2, a counterweight 13 is disposed on the columns 1, a driving machine 11 and a driving chain 12 connected with the driving machine 11 are disposed at the top end of the columns 1, one end of the driving chain 12 is connected with the lifting column 2, and one end of the driving chain 12 away from the lifting column 2 is connected with the counterweight 13; the lifting column 2 is provided with a rotating roller 22, the rotating roller 22 is provided with a driving belt 23, one end of the driving belt 23 is connected with the sliding block 21, and one end of the driving belt 23, which is far away from the sliding block 21, is connected with the upright column 1.
In the utility model, statistics is carried out on the door opening positions of different trains, upright posts 1 are respectively arranged at two sides of a plurality of groups of door opening positions, a pull rope 3 is arranged between the two upright posts 1 to form a shielding door structure, lifting columns 2 are arranged on the upright posts 1, sliding blocks 21 are arranged on the lifting columns 2, the lifting columns 2 can lift up and down along the upright posts 1, and the sliding blocks 21 can slide up and down on the lifting columns 2, so that the pull rope 3 can lift up and down, and at ordinary times, the sliding blocks 21 at the end parts of the pull rope 3 are positioned at the lower parts of the upright posts 1 to block the lower side areas between the two upright posts 1 to prevent personnel from falling down a platform; when a train is in, the sliding block 21 is lifted upwards, so that the pull rope 3 is positioned on the upper side between the two upright posts 1, the lower side of the pull rope 3 allows the train to get on or off, and the multiple groups of door opening positions of the train are positioned between the two upright posts, so that the train can get on or off normally no matter what type of train is opened.
Generally, the distance between two uprights 1 is at least 9 m, and at least one door opening position of each train is included between the uprights, of course, the length of the train is long, and more uprights 1 and more groups of pull ropes 3 are arranged for safety shielding of the whole platform.
Firstly, lifting a lifting column 2, wherein the lifting column 2 is arranged on a stand column 1, a balance weight 13 is arranged on the stand column 1, a driving machine 11 and a driving chain 12 connected with the driving machine 11 are arranged at the top end of the stand column 1, one end of the driving chain 12 is connected with the lifting column 2, and one end of the driving chain 12, which is far away from the lifting column 2, is connected with the balance weight 13; thus, the driving machine 11 works to drive the driving chain 12 to transmit and drive the lifting column 2 to lift, when the driving machine 11 rotates forward, the lifting column 2 lifts, otherwise, when the driving machine 11 rotates reversely, the lifting column 2 falls, and the lifting column 2 and the balance block 13 are respectively arranged on two sides of the driving machine 11 to balance the lifting force of the lifting column 2, so that the lifting of the lifting column 2 can be completed by smaller power of the driving machine 11.
Then, the sliding (lifting) of the sliding block 21 is performed, and the lifting column 2 is provided with the sliding block 21 for being connected with the pull rope 3; the upper end of the lifting column 2 is provided with a rotating roller 22, the rotating roller 22 is provided with a transmission belt 23, one end of the transmission belt 23 is connected with the sliding block 21, and one end of the transmission belt 23, which is far away from the sliding block 21, is connected with the upright column 1; that is, the sliding block 21 and the upright post 1 are respectively arranged at two ends of the transmission belt 23; the rotating roller 22 is not self-powered, the rotating power source of the rotating roller 22 comes from the lifting of the lifting column 2, when the driving machine 11 drives the lifting column 2 to lift, the upright column 1 descends relative to the lifting column 2, so that one end of the driving belt 23 connected with the upright column 1 moves downwards relative to the lifting column 2, and then the sliding block 21 naturally ascends relative to the lifting column 2 under the driving of the driving belt 23.
The slider 21 is connected to the end of the pulling rope 3, so that the pulling rope 3 has two stages of ascending when the driving machine 1 drives the ascending and descending column 2 to ascend.
In this way, the two-stage lifting structure is utilized to lift the pull rope 3 to finish the door opening and closing of the shielding door structure, and the lifting of the lifting column 2 is provided with the balance weight 13 to balance the weight, so that the driving machine 11 can drive the pull rope 3 to lift only with small power, and the energy-saving effect is good; the stay cord 3 rises and is convenient for the passenger to get on and off the train, and the stay cord descends and can effectively prevent personnel from falling off the platform, and the security is high.
In the second embodiment, as shown in fig. 1 to 6, in the first embodiment of the present utility model, in the shielding door structure for a high-speed rail platform, the upright 1 is provided with a first limiting block 101 for conveniently limiting the sliding direction of the lifting column 2 and a second limiting block 102 for limiting the sliding direction of the counterweight 13, and the lifting column 2 is provided with a third limiting block 201 for limiting the sliding direction of the slider 21, so as to effectively limit the lifting of the counterweight 13, the lifting column 2 and the slider 21, and prevent deviation.
Here, the first limiting block 101, the second limiting block 102 and the third limiting block 201 are all vertically arranged, that is, the pull rope 3 can only lift up and down.
Generally, the number of the first limiting block 101, the second limiting block 102 and the third limiting block 201 is two, so that the process of sliding up and down has a better limiting effect.
It should be noted that the number of the sliding blocks 21 is at least two, and the lowermost sliding block 21 is connected to the driving belt 23, so that when the lifting column 2 is lifted, only the lowermost sliding block 21 slides upward on the lifting column 2, and when the lowermost sliding block 21 contacts the second short sliding block 21, the second short sliding block 21 is pushed to slide upward, and so on until all sliding blocks 21 are lifted, and all the pulling ropes 3 are lifted; conversely, when the lifting column 2 descends, all the sliding blocks 21 drop downwards under the self gravity, in order to prevent all the sliding blocks 21 from falling to the lowest position, a connecting rope can be arranged between two adjacent sliding blocks 21, the uppermost sliding block 21 and the upper end of the lifting column 2 are connected with the connecting rope, when the lifting column 2 descends, all the sliding blocks 21 drop downwards under the self gravity, the connecting rope connected with the upper end of the uppermost sliding block 21 and the upper end of the lifting column 2 is straightened first, the uppermost sliding block 21 cannot continue to drop, other sliding blocks 21 still drop until the connecting rope between the uppermost sliding block 21 and the second high sliding block 21 is straightened, the second high sliding block 21 cannot drop until all the connecting ropes are straightened, and then the pull rope 3 is separated up and down, so that a large protection range still exists when the shielding door is closed.
And quite precisely, when the lifting column 2 is lifted, all the pull ropes 3 are gathered at the upper end of the lifting column 2; conversely, when the lifting columns 2 are lowered, the pull ropes 3 are uniformly distributed on the lifting columns 2, and it can be understood that the lifting columns 2 are lifted, the smaller the (average) distance between the pull ropes 3 is, and the lifting of the multi-stage multi-slider shielding door is formed.
Of course, a functional spring can be connected between any two adjacent sliding blocks 21, and the specifications of a plurality of functional springs are the same, so that when the lifting column 2 ascends and descends, the distance between any two adjacent sliding blocks 21 is changed equally, namely, the lifting column 2 ascends, and any two adjacent sliding blocks 21 are close; on the contrary, when the lifting column 2 descends, any two adjacent sliding blocks 21 are far away.
In the third embodiment, as shown in fig. 1 to 6, only one embodiment of the present utility model is provided, and on the basis of any one of the above embodiments, in the screen door structure for a high-speed rail platform of the present utility model, the stand column 1 is provided with the display screen 14, and the display screen 14 is an ink screen, and the ink screen has lower energy consumption, only when the display content of the screen changes, only weak current is given to the ink screen, no energy consumption is required at ordinary times, and the power consumption of the general ink screen is about 5 watts, compared with a large-scale LED display screen, so that the energy saving effect of the whole screen door structure can be further better.
Based on the ink screen and the structure of the driving machine 11 with the balance weight 13, the power supply requirement of the whole upright post 1 is greatly reduced, and a power supply is arranged in the upright post 1 and is a 24V direct current power supply.
The slider 21 is provided with a hook 24 for connecting to the pull cord 3.
Here, the number of the hooks 24 is at least one, the hooks 24 include an adjusting block 241 arranged on the sliding block 21 and an adjusting screw 242 connected with the adjusting block 241, a sliding groove 25 for facilitating sliding of the adjusting block 241 is arranged on the sliding block 21, the sliding groove 25 and the adjusting screw 242 are both horizontally arranged, the adjusting block 241 is a C-shaped piece, and a cross rod 243 connected with the pull rope 3 is arranged at an opening of the adjusting block 241.
Finally, the drive machine 11 is provided with a drive sprocket 111, and the drive chain 12 is in meshed connection with the drive sprocket 111.
The shielding door structure for the high-speed rail platform has the beneficial effects that: the device is simple in arrangement, the distance between the stand columns is prolonged through the pull rope type shielding door, the door of a plurality of trains can be corresponding to one shielding door area, the device is suitable for different requirements of different train door opening positions, passengers can get on and off the trains conveniently, and the lifting of the plurality of sliding blocks and the pull ropes is adopted, so that when the pull ropes fall down, people can be effectively prevented from falling off a platform, and the safety is high.
The present utility model is not limited to the above-described specific embodiments, and various modifications and variations are possible. Any modification, equivalent replacement, improvement, etc. of the above embodiments according to the technical substance of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A screen door structure for a high-speed rail station, characterized by: the lifting mechanism comprises a plurality of upright posts (1) and pull ropes (3) arranged between two adjacent upright posts (1), wherein lifting columns (2) are arranged on the upright posts (1), sliding blocks (21) used for being connected with the pull ropes (3) are arranged on the lifting columns (2), balance weights (13) are arranged on the upright posts (1), driving machines (11) and driving chains (12) connected with the driving machines (11) are arranged at the top ends of the upright posts (1), one ends of the driving chains (12) are connected with the lifting columns (2), and one ends of the driving chains (12) away from the lifting columns (2) are connected with the balance weights (13); the lifting column (2) is provided with a rotating roller (22), the rotating roller (22) is provided with a driving belt (23), one end of the driving belt (23) is connected with the sliding block (21), and one end of the driving belt (23) away from the sliding block (21) is connected with the upright column (1).
2. A screen door structure for a high-speed rail station according to claim 1, wherein: the lifting column is characterized in that a first limiting block (101) for conveniently limiting the sliding direction of the lifting column (2) and a second limiting block (102) for limiting the sliding direction of the balance block (13) are arranged on the upright column (1), and a third limiting block (201) for limiting the sliding direction of the sliding block (21) is arranged on the lifting column (2).
3. A screen door structure for a high-speed rail station according to claim 2, wherein: the first limiting block (101), the second limiting block (102) and the third limiting block (201) are all vertically arranged.
4. A screen door structure for a high-speed rail station according to claim 1, wherein: the number of the sliding blocks (21) is at least two.
5. A screen door structure for a high-speed rail station according to claim 4, wherein: the lowermost slide block (21) is connected with the transmission belt (23).
6. A screen door structure for a high-speed rail station according to claim 1, wherein: the sliding block (21) is provided with a hook (24) which is used for being connected with the pull rope (3).
7. A screen door structure for a high-speed rail station according to claim 6, wherein: the number of the hooks (24) is at least one, the hooks (24) comprise adjusting blocks (241) arranged on the sliding blocks (21) and adjusting screw rods (242) used for being connected with the adjusting blocks (241), sliding grooves (25) used for facilitating sliding of the adjusting blocks (241) are arranged on the sliding blocks (21), the sliding grooves (25) and the adjusting screw rods (242) are horizontally arranged, the adjusting blocks (241) are C-shaped pieces, and cross rods (243) used for being connected with the pull ropes (3) are arranged at openings of the adjusting blocks (241).
8. A screen door structure for a high-speed rail station according to claim 1, wherein: the driving machine (11) is provided with a driving sprocket (111), and the driving chain (12) is in meshed connection with the driving sprocket (111).
9. A screen door structure for a high-speed rail station according to claim 1, wherein: a display screen (14) is arranged on the upright post (1), and the display screen (14) is an ink screen.
10. A screen door structure for a high-speed rail station according to claim 1, wherein: a power supply is arranged in the upright post (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310561546.3A CN116464383A (en) | 2023-05-18 | 2023-05-18 | A shield door structure for high-speed railway platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310561546.3A CN116464383A (en) | 2023-05-18 | 2023-05-18 | A shield door structure for high-speed railway platform |
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| Publication Number | Publication Date |
|---|---|
| CN116464383A true CN116464383A (en) | 2023-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310561546.3A Pending CN116464383A (en) | 2023-05-18 | 2023-05-18 | A shield door structure for high-speed railway platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117087706A (en) * | 2023-08-04 | 2023-11-21 | 广东永华通讯科技有限公司 | Rail transit safety barrier |
-
2023
- 2023-05-18 CN CN202310561546.3A patent/CN116464383A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117087706A (en) * | 2023-08-04 | 2023-11-21 | 广东永华通讯科技有限公司 | Rail transit safety barrier |
| CN117087706B (en) * | 2023-08-04 | 2024-04-19 | 广东永华通讯科技有限公司 | Rail transit safety barrier |
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