CN116476870A - Intelligent safety protection system for platform - Google Patents
Intelligent safety protection system for platform Download PDFInfo
- Publication number
- CN116476870A CN116476870A CN202310448339.7A CN202310448339A CN116476870A CN 116476870 A CN116476870 A CN 116476870A CN 202310448339 A CN202310448339 A CN 202310448339A CN 116476870 A CN116476870 A CN 116476870A
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- station
- protection
- sliding groove
- sliding
- security system
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- 230000001681 protective effect Effects 0.000 claims description 33
- 238000001514 detection method Methods 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000004146 energy storage Methods 0.000 claims description 4
- 230000003993 interaction Effects 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000009825 accumulation Methods 0.000 abstract description 4
- 230000000391 smoking effect Effects 0.000 abstract 1
- 239000007921 spray Substances 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B1/00—General arrangement of stations, platforms, or sidings; Railway networks; Rail vehicle marshalling systems
- B61B1/02—General arrangement of stations and platforms including protection devices for the passengers
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B1/00—General arrangement of stations, platforms, or sidings; Railway networks; Rail vehicle marshalling systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses an intelligent safety protection system for a platform, which relates to the technical field of platform protection and comprises a safety door which is used for interacting with a user and displaying information such as advertisements, wherein a help-seeking alarm button is arranged on the safety door and can communicate with service personnel in time, a protection component which separates waiting people from a train track is arranged in the safety door, a protection rope arranged in the protection component can be attached to the ground, inconvenience of the waiting people caused by obstacles formed by accumulation of the protection rope is avoided, a fire extinguishing component which is used for extinguishing the platform is arranged in the safety door in a sliding manner, and fire caused by actions such as smoking of the waiting people is rapidly extinguished.
Description
Technical Field
The invention relates to the technical field of platform protection, in particular to an intelligent safety protection system for a platform.
Background
Due to the rapid development of the modern society, the selection of traveling to take trains, high-speed rails and the like is the choice of many people, when taking trains and high-speed rails, the passengers need to wait for the trains to arrive at the platform, but when the passengers are too close to the rails, a series of potential safety hazards can be brought, and when the trains enter the station, the passengers standing at the rail side can fall down or even fall into the rails due to the air flow generated by the high-speed operation of the trains. In such situations, passengers may be severely injured or even lost, and high voltage electric power trains are commonly used in railway systems. Bare cables and electrical equipment may be present near the track, and if the passengers are too close, they may get an electric shock, cause serious injury, etc., so that to ensure the safety of the passengers on the platform, certain measures should be taken to prevent the passengers from approaching the track.
Chinese patent publication No. CN109720356a discloses a lifting platform door. The lifting platform door comprises a bearing system, a protection system, a driving system and a transmission system, wherein the bearing system comprises two support columns which are arranged in parallel, the protection system comprises a first protection mechanism and a second protection mechanism which are arranged between the two support columns, the transmission system comprises two transmission devices, each transmission device comprises a first connecting plate and a second connecting plate which are respectively and vertically translated with the support columns, the first connecting plate is connected with the first protection mechanism, and the second connecting plate is connected with the second protection mechanism. The device blocks passengers through the lifting protective ropes, but the applicability of the device is extremely poor, the platform is in a building completion state at present, the device is fixed on the platform during installation, meanwhile, a space for placing protective pipes, protective ropes or hollow protection plates is required to be opened on the platform, otherwise, the protective pipes, the protective ropes or the hollow protection plates are piled on the ground and inconvenient, and most passengers carry large pieces of luggage, and the accumulation of the protective ropes causes obstruction to the passengers.
Disclosure of Invention
In view of the problems in the above technology, the present invention provides an intelligent security system for a platform.
Aiming at the technical problems, the invention adopts the following technical scheme: the intelligent safety protection system for the platform comprises a safety door, a monitoring terminal, a station room master control, a station end workstation, an infrared detector, a camera and a train arrival detection device, wherein a protection assembly and a fire extinguishing assembly are arranged in the safety door;
the protection assembly comprises a second sliding groove rotatably arranged on the base, a telescopic assembly is arranged on the second sliding groove, a plurality of groups of protection belts are arranged on the telescopic assembly, the protection belts are unfolded in the base when working, and the protection belts are attached to the placing grooves when not working;
the fire extinguishing assembly comprises a sliding plate which is slidably arranged in the base, an adjusting mechanism is arranged on the sliding plate, and the adjusting mechanism comprises a spray head.
Furthermore, the monitoring terminal is arranged in the driving room and comprises a man-machine interaction interface, a station room master control interface, a database interface and the like.
Further, the station house master control is arranged in a station machine room and comprises a hotel dress system interface, a database, a station end workstation interface, a comprehensive guide control information website and the like.
Further, the station end workstation is arranged at the station end and comprises a radar application unit (comprising station door control embedded software), an Ethernet switch, an optical fiber distribution box, a UPS power supply, an alternating current power distribution and the like.
Further, the train outgoing detection device is arranged at two ends of the platform and comprises laser radar and train outgoing detection embedded software.
Further, the base on still be provided with local control box, prevent pressing from both sides range radar, audible and visual warning, energy storage battery, local control box still include LCB, contain emergent switch door button, scram button.
Further, the telescopic component comprises a first sliding groove arranged in the base, the first sliding groove is intermittently fixed with the first sliding groove, a plurality of groups of sliding blocks are arranged in the second sliding groove in a sliding mode, a protective column is arranged in the sliding blocks, and the protective belt is arranged in the protective column.
Further, a second motor is arranged on the second sliding groove, a plurality of groups of sliding blocks are connected through long connecting rods, a group of sliding blocks closest to the second motor is connected with two groups of short connecting rods through long connecting rods, one group of short connecting rods is rotatably arranged on the second sliding groove, and the other group of short connecting rods is connected with an output shaft of the second motor.
Furthermore, a positioning block is arranged on the second sliding groove, and the positioning block is intermittently inserted into the first sliding groove.
Further, a torsion spring column is arranged in the protective column, and the protective belt is wound on the torsion spring column in the protective column.
Compared with the prior art, the invention has the beneficial effects that: (1) The safety door provided by the invention has the function of displaying information of the stop train, intelligently guides passengers to take the bus, reduces the number of passengers and reduces the pressure of the passengers; (2) The protective component provided by the invention realizes the functions of hard isolation of a stock way and a waiting passenger, automatic opening of a train entering station and automatic closing of a train exiting station, protects the personnel safety of passengers, prevents the occurrence of unexpected events, and can press the protective rope to avoid the injury of the waiting personnel caused by accumulation of the protective rope; (3) The fire extinguishing assembly detects fire on the platform, and when the fire occurs on the platform, the fire extinguishing assembly extinguishes the fire through the multi-angle adjustable spray head.
Drawings
Fig. 1 is a front view of the overall structure of the present invention.
Fig. 2 is a cross-sectional view of the overall structure of the present invention.
Fig. 3 is a schematic view showing a partial structure of the safety door of the present invention.
FIG. 4 is a schematic view of the mounting position of the safety door and the protective assembly according to the present invention.
Fig. 5 is a schematic structural view of the protection component of the present invention.
Fig. 6 is an enlarged schematic view of the structure at a in fig. 4.
Fig. 7 is a schematic view of the fire extinguishing assembly of the present invention.
Fig. 8 is a cross-sectional view of the fire extinguishing assembly of the present invention.
Fig. 9 is a system configuration diagram of the present invention.
Reference numerals: 1-a safety door; 2-a protective component; 3-a fire suppression assembly; 101-a base; 102-an operation screen; 103-mounting plates; 104-placing a rack; 105-lifting groove; 106, placing a groove; 201-sliding groove I; 202-a guard band; 203-guard columns; 204-motor one; 205-sliding groove two; 206-motor two; 207-short links; 208-long connecting rod; 209-a slider; 210-positioning blocks; 211-motor five; 212-stop lever; 301-baffle; 302-a spray head; 303-a sliding plate; 304-motor three; 305-rotating frame; 306-motor four; 307-bevel gear one; 308-bevel gear two.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
Referring to the intelligent safety protection system of the platform shown in fig. 1 to 9, the intelligent safety protection system comprises a safety door 1 which is used for interacting with a user and displaying information such as advertisements, a help-seeking alarm key is arranged on the safety door 1 and can be timely communicated with service personnel, and a protection assembly 2 which separates waiting people from a train track and a fire extinguishing assembly 3 which extinguishes the platform are arranged inside the safety door 1.
The station intelligent safety protection system further comprises an infrared detector, a camera, a monitoring terminal, a station room master control, a station end workstation and a train arrival detection device, wherein the monitoring terminal is installed in a driving room and comprises a human-computer interaction interface, a station room master control interface, a database interface and the like, the station room master control is installed in a station room and comprises a station suit system interface, a database, a station end workstation interface and a comprehensive guide information website, the station end workstation is arranged at the end of a station and comprises a radar application unit (comprising station door control embedded software), an Ethernet switch, an optical fiber distribution box, a UPS power supply, an alternating current power distribution and the like, and the train arrival detection device is installed at two ends of the station and comprises a laser radar and train arrival detection embedded software.
The safety door 1 comprises a base 101, wherein a one-key help key, an operation screen 102, a mounting plate 103, a placement frame 104, a lifting groove 105 and a placement groove 106 are arranged on the base 101, the operation screen 102 is arranged at the upper end of the base 101, and the base 101 is used for displaying information display functions of a stop train, train numbers, train types, starting stations, terminal stations, arrival time, departure time, a station entering direction and a marshalling direction. The information comes from a hotel system; under the conditions of temporary loading, train late time and the like, the travel clothes system does not update information in time, station personnel can also modify the information on site, and a site control box (LCB, including an emergency switch door button and a scram button), an anti-pinch ranging radar, an audible and visual alarm and an energy storage battery are further arranged on the base 101.
The protection component 2 comprises a first sliding groove 201 and a first motor 204 which are arranged in the base 101, a second sliding groove 205 is arranged on an output shaft of the first motor 204, the second sliding groove 205 is rotationally connected with the base 101, a positioning block 210 is arranged at the upper end of the second sliding groove 205, the positioning block 210 is intermittently inserted in the first sliding groove 201, a limiting column is arranged at the position where the first sliding groove 201 is connected with the positioning block 210 in a sliding manner, the limiting column is used for fixing the positioning block 210, a second motor 206 and a plurality of groups of sliding blocks 209 are arranged on the second sliding groove 205, the sliding blocks 209 slide in the first sliding groove 201 and the second sliding groove 205, the plurality of groups of sliding blocks 209 are connected through long connecting rods 208, a group of sliding blocks 209 closest to the second motor 206 are connected with two groups of short connecting rods 207 through long connecting rods 208, one group of short connecting rods 207 are rotationally arranged on the second sliding groove 205, the other group of short connecting rods 207 are connected with the output shaft of the second motor 206, a protection column 203 is arranged in the sliding blocks 209, a torsion spring column is arranged in the protection column 203, a protection band 202 is wound on the column, a fifth motor 211 is arranged on the side edge of the base 101, the output shaft of the fifth motor 211 is provided with a stop lever 212, and the stop lever 212 is extruded by the stop lever 212.
The fire extinguishing assembly 3 comprises a sliding plate 303 which is slidably arranged on a mounting plate 103, a baffle 301 is further arranged on the base 101, the sliding plate 303 moves on the mounting plate 103 through a linear motor, a third motor 304 is arranged at one end of the sliding plate 303, a fourth motor 306 is arranged at the other end of the sliding plate 303, a rotating frame 305 is arranged on an output shaft of the third motor 304, the rotating frame 305 is rotationally connected with the sliding plate 303, a first bevel gear 307 is arranged on an output shaft of the fourth motor 306, an output shaft of the fourth motor 306 is rotationally connected with the rotating frame 305, a spray head 302 is rotationally arranged on the rotating frame 305, a second bevel gear 308 is arranged on a rotating shaft of the spray head 302, and the first bevel gear 307 is meshed with the second bevel gear 308.
Working principle: the safety doors 1 of the invention are uniformly distributed on the platform, and two adjacent groups of safety doors 1 are connected through a protective belt 202.
When a waiting person needs to be separated from a track, a first motor 204 is started, the first motor 204 drives a second sliding groove 205 to rotate on the base 101, when the second sliding groove 205 drives a positioning block 210 to be inserted into the first sliding groove 201, the first motor 204 is stopped to be driven, the positioning block 210 is fixed on the first sliding groove 201 through a limiting column on the first sliding groove 201, at the moment, the first sliding groove 201 is aligned with a sliding groove on the second sliding groove 205, a second motor 206 is started, the second motor 206 drives a short connecting rod 207 to rotate, the short connecting rod 207 drives a group of sliding blocks 209 close to the second motor 206 to move, the sliding blocks 209 simultaneously slide through the swing of the long connecting rod 208 and the short connecting rod 207, at the moment, a plurality of groups of sliding blocks 209 drive a protective column 203 to move, the protective strips 202 are unfolded, and the protective strips 202 form a separation net to realize the separation of the waiting person and the track.
When the vehicle is stopped, the separation of a waiting person and a stock road is required to be removed, the motor II 206 is reversed, the motor II 206 drives the plurality of groups of sliding blocks 209 and the protective columns 203 to reset, after the completion of the resetting of the plurality of groups of sliding blocks 209, the motor I204 is reversed, the motor I204 drives the sliding grooves II 205 to reset, meanwhile, the limiting columns on the sliding grooves I201 are removed from fixing the sliding grooves I201, the sliding grooves II 205 are inserted into the placing frame 104 during resetting, meanwhile, the sliding grooves II 205 drive the plurality of groups of protective belts 202 to be aligned with the placing grooves 106, the motor V211 is started, the motor V211 drives the stop lever 212 to rotate, the stop lever 212 extrudes the plurality of groups of protective belts 202, the plurality of groups of protective belts 202 are pressed in the placing grooves 106, the obstruction of the actions of the waiting person caused by the accumulation of the protective belts 202 is avoided, and the protective belts 202 are wound on the torsion spring columns 203, and the protective belts 202 drive the protective columns 203 to rotate at the moment, so that the telescopic effect of the protective belts 202 is realized.
When a fire disaster on a platform is detected, a group of fire extinguishing assemblies 3 closest to the fire disaster work, a sliding plate 303 slides on a mounting plate 103 through a linear motor, at the moment, the sliding plate 303 pushes a baffle 301 away, after the sliding plate 303 drives a spray head 302 to move out, the position of the fire disaster is accurately positioned through a camera, then a motor III 304 and a motor IV 306 are started to adjust the position of the spray head 302, when the motor III 304 is independently started, the motor III 304 drives a rotating frame 305 to rotate, the rotating frame 305 drives the spray head 302 to rotate along the axis of the motor III 304, at the moment, a bevel gear I307 does not rotate, the spray head 302 is meshed with the bevel gear I307, at the moment, the spray head 302 is driven by the bevel gear I307 to rotate, at the same time, the rotating frame 305 and the bevel gear I307 are started to rotate at the same speed, at the moment, the spray head 302 does not rotate along the axis of the motor III 304, and multi-angle adjustment of the motor III 304 is realized.
The intelligent safety protection system for platform consists of monitoring terminal, station house control, station end work station, train arrival detection device (laser radar), platform safety door and communication network, and the graphic information adopts the current data of the hotel dress system. The system adopts alternating current power supply and comes from a station power distribution room, and is preferably an uninterruptible power supply. The power capacity introduced to each station workstation should ensure proper operation of the station equipment. The station-side workstation is equipped with a UPS power supply, and the station-side workstation and the communication network are satisfied for 30 minutes when the power supply loop fails. The platform safety door is provided with an energy storage battery, so that the safety door can work normally on the same day.
The present invention is not limited to the above-described embodiments, and various modifications are possible within the scope of the present invention without inventive labor, as those skilled in the art will recognize from the above-described concepts.
Claims (10)
1. An intelligent safety protection system for a platform is characterized in that: the intelligent fire-fighting system comprises a safety door (1), a monitoring terminal, a station room master control, a station end workstation, an infrared detector, a camera and a train arrival detection device, wherein a protection assembly (2) and a fire-fighting assembly (3) are arranged in the safety door (1), the safety door (1) comprises a base (101), and a one-key help-seeking alarm button, an operation screen (102), a placement frame (104) and a placement groove (106) are arranged on the base (101);
the protection assembly (2) comprises a second sliding groove (205) rotatably arranged on the base (101), a telescopic assembly is arranged on the second sliding groove (205), a plurality of groups of protection belts (202) are arranged on the telescopic assembly, the protection belts (202) are unfolded in the base (101) when working, and the protection belts (202) are attached to the placing grooves (106) when not working;
the fire extinguishing assembly (3) comprises a sliding plate (303) which is slidably arranged in the base (101), an adjusting mechanism is arranged on the sliding plate (303), and the adjusting mechanism comprises an injection head (302).
2. A station intelligent security system as claimed in claim 1, wherein: the monitoring terminal is arranged in a driving room and comprises a man-machine interaction interface, a station room master control interface, a database interface and the like.
3. A station intelligent security system as claimed in claim 1, wherein: the station room master control is arranged in a station machine room and comprises a hotel dress system interface, a database, a station end workstation interface, a comprehensive guide and control information website and the like.
4. A station intelligent security system as claimed in claim 1, wherein: the station end workstation is arranged at the station end and comprises a radar application unit (comprising station door control embedded software), an Ethernet switch, an optical fiber distribution box, a UPS power supply, an alternating current power distribution and the like.
5. A station intelligent security system as claimed in claim 1, wherein: the train arrival detection device is arranged at two ends of the platform and comprises laser radar and train arrival detection embedded software.
6. A station intelligent security system as claimed in claim 1, wherein: the base (101) is also provided with an on-site control box, an anti-pinch ranging radar, an acousto-optic alarm and an energy storage battery, wherein the on-site control box comprises an LCB (LCB), and comprises an emergency switch door button and a scram button.
7. A station intelligent security system as claimed in claim 1, wherein: the telescopic assembly comprises a first sliding groove (201) arranged in a base (101), a second sliding groove (205) is intermittently fixed with the first sliding groove (201), a plurality of groups of sliding blocks (209) are arranged in the second sliding groove (205) in a sliding mode, a protective column (203) is arranged in the sliding blocks (209), and a protective belt (202) is arranged in the protective column (203).
8. A station intelligent security system as claimed in claim 2, wherein: the sliding groove II (205) is provided with a motor II (206), a plurality of groups of sliding blocks (209) are connected through long connecting rods (208), a group of sliding blocks (209) closest to the motor II (206) are connected with two groups of short connecting rods (207) through long connecting rods (208), one group of short connecting rods (207) is rotatably arranged on the sliding groove II (205), and the other group of short connecting rods (207) are connected with an output shaft of the motor II (206).
9. The intelligent security system of claim 8, wherein: the sliding groove II (205) is provided with a positioning block (210), and the positioning block (210) is intermittently inserted into the sliding groove I (201).
10. The intelligent security system of claim 7, wherein: the protection post (203) is internally provided with a torsion spring post, and the protection belt (202) is wound on the torsion spring post in the protection post (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310448339.7A CN116476870B (en) | 2023-04-24 | Intelligent safety protection system for platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310448339.7A CN116476870B (en) | 2023-04-24 | Intelligent safety protection system for platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116476870A true CN116476870A (en) | 2023-07-25 |
| CN116476870B CN116476870B (en) | 2024-05-28 |
Family
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014091410A (en) * | 2012-11-02 | 2014-05-19 | West Japan Railway Co | Platform safety fence post and platform safety fence |
| JP2014131904A (en) * | 2013-01-04 | 2014-07-17 | Akira Yoda | Suspended expansion door type platform fall guard fence |
| CN110641482A (en) * | 2019-09-30 | 2020-01-03 | 郑州铁路装备制造有限公司 | Lifting type safety door for displaying carriage number riding guide information of railway passenger station |
| CN113047761A (en) * | 2021-04-02 | 2021-06-29 | 南京启越机电设备有限公司 | Lifting platform door mechanism |
| CN216043346U (en) * | 2021-08-31 | 2022-03-15 | 甘肃光轩高端装备产业有限公司 | Driving device of lifting protective door |
| CN114516344A (en) * | 2022-02-07 | 2022-05-20 | 中铁大桥勘测设计院集团有限公司武汉分公司 | Safe riding system and method for railway platform |
| CN216709274U (en) * | 2022-01-18 | 2022-06-10 | 广州翼梭电子科技有限公司 | Platform lift isolation detection door protection system |
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014091410A (en) * | 2012-11-02 | 2014-05-19 | West Japan Railway Co | Platform safety fence post and platform safety fence |
| JP2014131904A (en) * | 2013-01-04 | 2014-07-17 | Akira Yoda | Suspended expansion door type platform fall guard fence |
| CN110641482A (en) * | 2019-09-30 | 2020-01-03 | 郑州铁路装备制造有限公司 | Lifting type safety door for displaying carriage number riding guide information of railway passenger station |
| CN113047761A (en) * | 2021-04-02 | 2021-06-29 | 南京启越机电设备有限公司 | Lifting platform door mechanism |
| CN216043346U (en) * | 2021-08-31 | 2022-03-15 | 甘肃光轩高端装备产业有限公司 | Driving device of lifting protective door |
| CN216709274U (en) * | 2022-01-18 | 2022-06-10 | 广州翼梭电子科技有限公司 | Platform lift isolation detection door protection system |
| CN114516344A (en) * | 2022-02-07 | 2022-05-20 | 中铁大桥勘测设计院集团有限公司武汉分公司 | Safe riding system and method for railway platform |
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