CN114506348A - Platform door for rail transit - Google Patents
Platform door for rail transit Download PDFInfo
- Publication number
- CN114506348A CN114506348A CN202111675915.9A CN202111675915A CN114506348A CN 114506348 A CN114506348 A CN 114506348A CN 202111675915 A CN202111675915 A CN 202111675915A CN 114506348 A CN114506348 A CN 114506348A
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- Prior art keywords
- door
- sliding doors
- doors
- fixed
- driving
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- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000000694 effects Effects 0.000 claims abstract description 3
- 230000009471 action Effects 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000010030 laminating Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 7
- 230000005484 gravity Effects 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 description 6
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/02—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means
- E05B47/023—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means the bolt moving pivotally or rotatively
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/14—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other
- E05B63/143—Arrangement of several locks, e.g. in parallel or series, on one or more wings
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/0003—Locks or fastenings for special use for locking a plurality of wings, e.g. simultaneously
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/08—Locks or fastenings for special use for sliding wings
- E05B65/0811—Locks or fastenings for special use for sliding wings the bolts pivoting about an axis perpendicular to the wings
- E05B65/0817—Locks or fastenings for special use for sliding wings the bolts pivoting about an axis perpendicular to the wings with additional movement, e.g. toggle, overcenter, excentric
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
- E05F15/643—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by flexible elongated pulling elements, e.g. belts, chains or cables
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F17/00—Special devices for shifting a plurality of wings operated simultaneously
- E05F17/004—Special devices for shifting a plurality of wings operated simultaneously for wings which abut when closed
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- 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
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
-
- 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
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
- E06B3/42—Sliding wings; Details of frames with respect to guiding
- E06B3/46—Horizontally-sliding wings
- E06B3/4636—Horizontally-sliding wings for doors
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B2047/0014—Constructional features of actuators or power transmissions therefor
- E05B2047/0018—Details of actuator transmissions
- E05B2047/0023—Nuts or nut-like elements moving along a driven threaded axle
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F17/00—Special devices for shifting a plurality of wings operated simultaneously
- E05F2017/005—Special devices for shifting a plurality of wings operated simultaneously for sliding wings
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/40—Application of doors, windows, wings or fittings thereof for gates
- E05Y2900/404—Application of doors, windows, wings or fittings thereof for gates for railway platform gates
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention relates to a platform door for rail transit, which comprises two fixed doors, wherein the two fixed doors are arranged at intervals from left to right, side boxes are arranged on one sides of the two fixed doors close to each other, a front door structure, a rear door structure and two driving mechanisms are arranged between the two side boxes, and the front door structure and the rear door structure are positioned behind the side boxes; the rear door structure comprises two rear sliding doors, a gap is arranged between the two rear sliding doors, and the rear sliding doors correspond to the side boxes one by one; this platform door for track traffic has realized adopting the big opening degree passageway, and has reduced the volume of the door body, has reduced the gravity and the load of the door body, keeps the stability of door body structure under the wind pressure loading effect, satisfies the requirement (opening time 3-4.5s, kinetic energy is 1 joule more than the front sliding door) to opening time and kinetic energy of big opening degree (distance), simultaneously, can also realize the dust removal to the front sliding door to realize the locking of two front sliding doors, prevent that the front sliding door from taking place the incident for artificially pulling open.
Description
Technical Field
The invention relates to a platform door for rail transit, and belongs to the field of platform passenger protection equipment.
Background
Platform doors are an important component of modern rail traffic. The platform door adopts a signal control technology to open and close a motor-driven door body. In the opening and closing action process, the sliding door at the position corresponding to the train door is synchronously opened and closed, so that the safety and convenience of passengers for getting on and off the train are ensured, and safety accidents are avoided.
The half-height door structure scheme meeting the requirements of train doors in various vehicle types and positions in the existing platform door industry usually adopts a large-opening-degree channel type, so that a door body is overlarge, the load is increased, the door body is easy to damage, and the requirements of large opening degree (distance) on door opening time and kinetic energy (the door opening time is 3-4.5s, and the kinetic energy is not more than 1 joule) can not be met. Therefore, a platform door for rail transit is needed, the size of the door body is reduced, the load is reduced, and the defects of the existing product are overcome.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, a platform door for rail transit is provided.
The technical scheme adopted by the invention for solving the problems is as follows: a platform door for rail transit comprises two fixed doors, wherein the two fixed doors are arranged at intervals from left to right, side boxes are arranged on one sides of the two fixed doors close to each other, a front door structure, a rear door structure and two driving mechanisms are arranged between the two side boxes, and the front door structure and the rear door structure are positioned behind the side boxes;
the rear door structure comprises two rear sliding doors which are arranged at intervals at the left and right, the rear sliding doors correspond to the side boxes one by one, and a gap is formed between the rear sliding doors and the side boxes;
the front door structure comprises two front sliding doors which are arranged at intervals at the left and right, the two front sliding doors are positioned between the two rear sliding doors, the front sliding doors correspond to the rear sliding doors one by one, and the front sliding doors are positioned in front of the rear sliding doors;
the front sliding door and the rear sliding door at the corresponding positions form a group;
one of the two driving mechanisms drives the two front sliding doors to move close to or away from each other, and the other driving mechanism drives the two rear sliding doors to move close to or away from each other;
the front sliding door and the rear sliding door at the corresponding positions synchronously act in proportion at the same time, the kinetic energy index of opening and closing the door in unit time is ensured, the requirements of large opening degree on the door opening time and the door body kinetic energy are met, and the stability of the door body structure is ensured under the action of wind pressure load.
Preferably, two connecting plates are arranged between the two front sliding doors, the two connecting plates are attached to each other, the connecting plates correspond to the front sliding doors one by one, a gap is formed between each connecting plate and each front sliding door, and auxiliary assemblies are arranged on the sides, far away from each other, of the two connecting plates;
preferably, the auxiliary assembly comprises two baffles, two auxiliary units and a plurality of connecting units, the two baffles are respectively positioned in front of and behind the front sliding door, the baffles are fixed on the connecting plate, the auxiliary units correspond to the baffles one by one, the auxiliary units are positioned between the front sliding door and the baffles, and the connecting units are vertically and uniformly distributed between the connecting plate and the front sliding door;
preferably, the baffle and the connecting plate are of an integrally formed structure;
preferably, the connecting unit comprises a connecting block and a connecting rod, the connecting rod is parallel to the fixed door, one end of the connecting rod is fixedly arranged on the front sliding door, the other end of the connecting rod is fixedly provided with a limiting block, the limiting block abuts against the connecting plate, the connecting block is movably sleeved on the connecting rod and is fixedly connected with the connecting plate, a spring is arranged between the connecting block and the front sliding door, the connecting block is connected with the front sliding door through the spring, and the spring is in a compressed state;
preferably, the auxiliary unit comprises a plurality of auxiliary components, the auxiliary components are vertically and uniformly distributed, each auxiliary component comprises a fixed rod and a fixed pipe, the fixed rods are parallel to the connecting rods, the fixed pipes are coaxially arranged with the fixed pipes, one ends of the fixed rods are fixedly arranged on the connecting plates, the other ends of the fixed rods are inserted into the fixed pipes, the fixed pipes are connected with the fixed rods in a sliding and sealing mode, one ends of the fixed pipes, far away from the fixed pipes, are provided with first one-way valves, the fixed pipes are provided with air holes, the air holes are located between the fixed rods and the first one-way valves, second one-way valves are installed in the air holes, filter screens are further installed in the air pipes, and the filter screens are located between the first one-way valves and the second one-way valves;
preferably, two locking assemblies are further arranged between the two front sliding doors, the locking assemblies correspond to the front sliding doors one by one, each locking assembly comprises a rotating shaft and two sliding grooves, the rotating shaft is parallel to the connecting rods, the two sliding grooves are respectively formed in the two connecting plates, the rotating shaft penetrates through the two sliding grooves in a movable mode, two locking blocks are fixedly arranged on the rotating shaft, the locking blocks correspond to the connecting plates one by one, the two locking blocks are respectively abutted to one sides, away from each other, of the two connecting plates, a ball screw pair is arranged on the rotating shaft, a screw of the ball screw pair is coaxially and fixedly arranged on the rotating shaft, a nut of the ball screw pair is fixedly connected with the front sliding doors, and the rotating shaft is fixedly connected with the connecting plates through bearings.
Preferably, the driving mechanism includes a driving box, a moving assembly and a driving assembly are provided in the driving box, the moving assembly includes two moving units arranged left and right, the moving unit includes a slide rail and a support plate, the support plate is slidably connected to the slide rail, the driving assembly includes a driving wheel and a tension wheel, the driving wheel is driven by a driving motor, the driving wheel and the tension wheel are connected by a transmission belt, two belt clamps are fixedly provided on the transmission belt, the belt clamps are in one-to-one correspondence with the support plates, the belt clamps are fixed on the support plate, the transmission belt is provided with two idle wheels, in the two transmission belts, the two support plates on one transmission belt are respectively fixedly connected to the bottoms of the two front sliding doors, and the two support plates on the other transmission belt are distributed and fixedly connected to the bottoms of the two rear sliding doors.
Preferably, a door lock is arranged on the driving box;
preferably, the use method of the platform door for the track traffic comprises the following steps: when the door is opened, the two front sliding doors are far away from and move through one of the driving mechanisms, the two rear sliding doors are far away from and move through the other driving mechanism, when the door is closed, the two front sliding doors are close to and move to realize resetting, the two rear sliding doors are close to and move to realize resetting, the front sliding doors and the rear sliding doors at corresponding positions synchronously act in proportion at the same time, the requirements of opening degree on door opening time and door body kinetic energy are met, the stability of a door body structure is ensured under the action of wind pressure load, meanwhile, the front sliding doors are sprayed with air through the auxiliary units, under the action of airflow, dust on the front sliding doors is blown away, dust removal of the front sliding doors is realized, and locking of the two connecting plates is realized through the locking assembly.
Compared with the prior art, the invention has the advantages that:
the platform door for rail transit disclosed by the invention realizes the adoption of a large-opening-degree channel, reduces the volume of the door body, reduces the gravity and load of the door body, keeps the stability of the door body structure under the action of wind pressure load, meets the requirements of opening time and kinetic energy (opening time is 3-4.5s, and kinetic energy is not more than 1 joule) of large opening degree (distance), and simultaneously can realize the dust removal of the front sliding doors, realize the locking of the two front sliding doors and prevent the safety accidents caused by the manual pulling of the front sliding doors.
Drawings
Fig. 1 is a schematic structural view of a platform door for rail transit according to the present invention;
fig. 2 is a top view of a platform door for rail transit according to the present invention;
fig. 3 is a side view of a platform door for rail transit according to the present invention;
FIG. 4 is a schematic structural view of an auxiliary assembly;
FIG. 5 is a schematic view of the driving mechanism;
FIG. 6 is a schematic structural diagram of a moving assembly;
fig. 7 is a schematic structural diagram of the driving assembly.
Wherein: 1. the automatic door locking device comprises a fixed door, 2. a side box, 3. a rear sliding door, 4. a front sliding door, 5. a connecting plate, 6. a baffle, 7. a connecting block, 8. a connecting rod, 9. a limiting block, 10. a spring, 11. a fixed rod, 12. a fixed pipe, 13. a first one-way valve, 14. an air hole, 15. a second one-way valve, 16. a filter screen, 17. a rotating shaft, 18. a sliding groove, 19. a locking block, 20. a ball screw pair, 21. a bearing, 22. a driving box, 23. a sliding rail, 24. a supporting plate, 25. a driving wheel, 26. a tension wheel, 27. a driving motor, 28. a driving belt, 29. a belt clamp, 30 idler wheels and 31. a door lock.
Detailed Description
As shown in fig. 1 to 7, the platform door for rail transit in the embodiment includes two fixed doors 1, the two fixed doors 1 are arranged at intervals left and right, side boxes 2 are respectively disposed on one sides of the two fixed doors 1 close to each other, a front door structure, a rear door structure and two driving mechanisms are disposed between the two side boxes 2, and the front door structure and the rear door structure are both located behind the side boxes 2;
the rear door structure comprises two rear sliding doors 3 which are arranged at intervals left and right, and gaps are formed between the rear sliding doors 3 and the side boxes 2 in a one-to-one correspondence manner;
the front door structure comprises two front sliding doors 4 arranged at left and right intervals, the two front sliding doors 4 are positioned between the two rear sliding doors 3, the front sliding doors 4 correspond to the rear sliding doors 3 one by one, and the front sliding doors 4 are positioned in front of the rear sliding doors 3;
the front sliding door 4 and the rear sliding door 3 at corresponding positions form a group;
one of the two driving mechanisms drives the two front sliding doors 4 to move close to or away from each other, and the other driving mechanism drives the two rear sliding doors 3 to move close to or away from each other;
the front sliding door 4 and the rear sliding door 3 at the corresponding positions synchronously act in proportion at the same time, the kinetic energy index of opening and closing the door in unit time is ensured, the requirements of large opening degree on the door opening time and the door body kinetic energy are met, and the stability of the door body structure is ensured under the action of wind pressure load.
Preferably, two connecting plates 5 are arranged between the two front sliding doors 4, the two connecting plates 5 are attached to each other, the connecting plates 5 correspond to the front sliding doors 4 one by one, a gap is arranged between each connecting plate 5 and each front sliding door 4, and auxiliary assemblies are arranged on the sides, far away from each other, of the two connecting plates 5;
preferably, the auxiliary assembly comprises two baffles 6, two auxiliary units and a plurality of connecting units, the two baffles 6 are respectively positioned in front of and behind the front sliding door 4, the baffles 6 are fixed on the connecting plate 5, the auxiliary units correspond to the baffles 6 one by one, the auxiliary units are positioned between the front sliding door 4 and the baffles 6, and the connecting units are vertically and uniformly distributed between the connecting plate 5 and the front sliding door 4;
preferably, the baffle 6 and the connecting plate 5 are of an integrally formed structure;
preferably, the connecting unit comprises a connecting block 7 and a connecting rod 8, the connecting rod 8 is parallel to the fixed door 1, one end of the connecting rod 8 is fixedly arranged on the front sliding door 4, the other end of the connecting rod 8 is fixedly provided with a limiting block 9, the limiting block 9 abuts against the connecting plate 5, the connecting block 7 is movably sleeved on the connecting rod 8, the connecting block 7 is fixedly connected with the connecting plate 5, a spring 10 is arranged between the connecting block 7 and the front sliding door 4, the connecting block 7 is connected with the front sliding door 4 through the spring 10, and the spring 10 is in a compressed state;
preferably, the auxiliary unit comprises a plurality of auxiliary components which are vertically and uniformly distributed, each auxiliary component comprises a fixed rod 11 and a fixed pipe 12, the fixed rod 11 is parallel to the connecting rod 8, the fixed pipe 12 and the fixed pipe 12 are coaxially arranged, one end of the fixed rod 11 is fixedly arranged on the connecting plate 5, the other end of the fixed rod 11 is inserted into the fixed pipe 12, the fixed pipe 12 is slidably and hermetically connected with the fixed rod 11, one end of the fixed pipe 12, which is far away from the fixed pipe 12, is provided with a first one-way valve 13, the fixed pipe 12 is provided with an air hole 14, the air hole 14 is located between the fixed rod 11 and the first one-way valve 13, a second one-way valve 15 is installed in the air hole 14, a filter screen 16 is further installed in the air pipe, and the filter screen 16 is located between the first one-way valve 13 and the second one-way valve 15;
preferably, two locking assemblies are further arranged between the two front sliding doors 4 and correspond to the front sliding doors 4 one by one, each locking assembly comprises a rotating shaft 17 and two sliding grooves 18, the rotating shaft 17 is parallel to the connecting rod 8, the two sliding grooves 18 are respectively arranged on the two connecting plates 5, the rotating shaft 17 penetrates through the two sliding grooves 18 in a movable mode, two locking blocks 19 are fixedly arranged on the rotating shaft 17, the locking blocks 19 correspond to the connecting plates 5 one by one, the two locking blocks 19 are respectively abutted to one sides, far away from each other, of the two connecting plates 5, a ball screw pair 20 is arranged on the rotating shaft 17, a screw of the ball screw pair 20 is coaxially and fixedly arranged on the rotating shaft 17, a nut of the ball screw pair 20 is fixedly connected with the front sliding doors 4, and the rotating shaft 17 is fixedly connected with the connecting plates 7 through a bearing 21.
Preferably, the driving mechanism comprises a driving box 22, a moving component and a driving component are arranged in the driving box 22, the moving assembly comprises two moving units arranged left and right, the moving units comprise a slide rail 23 and a support plate 24, the supporting plate 24 is slidably connected with the slide rail 23, the driving assembly comprises a driving wheel 25 and a tension wheel 26, the driving wheel 25 is driven by a driving motor 27, the driving wheel 25 and the tension wheel 26 are connected by a transmission belt 28, two belt clamps 29 are fixedly arranged on the transmission belt 28, the belt clamps 29 correspond to the support plates 24 one by one, the belt clamp 29 is fixed to the support plate 24, and the drive belt 28 is provided with two idle wheels 30, of which two drive belts 28, two support plates 24 on one of the belts 28 are respectively fixedly connected with the bottoms of the two front sliding doors 4, and two support plates 24 on the other belt 28 are respectively fixedly connected with the bottoms of the two rear sliding doors 3.
Preferably, the driving box 22 is provided with a door lock 31;
preferably, the use method of the platform door for the track traffic comprises the following steps: when the door is opened, the two front sliding doors 4 are far away from and move through one of the driving mechanisms, the two rear sliding doors 3 are far away from and move through the other driving mechanism, when the door is closed, the two front sliding doors 4 are close to and move to realize resetting, the two rear sliding doors 3 are close to and move to realize resetting, the front sliding doors 4 and the rear sliding doors 3 at corresponding positions synchronously act in proportion at the same time, the requirements of opening degree on door opening time and door body kinetic energy are met, the stability of a door body structure is ensured under the action of wind pressure load, meanwhile, the front sliding doors 4 are sprayed with air through the auxiliary units, under the action of air flow, dust on the front sliding doors 4 is blown away, the dust removal of the front sliding doors 4 is realized, and the locking of the two connecting plates 5 is realized through the locking assembly.
The use method of the platform door for the track traffic comprises the following steps:
when the door is opened, the two driving motors 27 are both started to rotate the driving wheel 25 and move the driving belt 28, and simultaneously, the two belt clamps 29 on the same driving belt 28 are far away from moving, the moving of the belt clamps 29 drives the supporting plates 24 to move on the sliding rails 23, the two supporting plates 24 on one driving belt 28 drive the two rear sliding doors 3 to move far away, the two supporting plates 24 on the other driving belt 28 drive the two front sliding doors 4 to move far away, the rear sliding doors 3 and the front ring are synchronous by controlling the rotating speed of the driving motors 27, when the front sliding doors 4 move, the distance between the limiting block 9 and the connecting block 7 is reduced through the elastic action of the spring 10, the fixing rod 11 and the fixing tube 12 are relatively moved, air can only be conveyed into the fixing tube 12 from the air hole 14 through the one-way characteristic of the first one-way valve 13, and the nut of the ball screw pair 20 is moved on the ball screw pair 20, because the ball screw pair 20 can convert the rotary motion into the linear motion, or convert the linear motion into the rotary motion, thereby the screw of the ball screw pair 20 drives the rotary shaft 17 to rotate on the bearing 21, the rotation of the rotary shaft 17 drives the locking block 19 to synchronously rotate, and after the limiting block 9 is abutted against the connecting block 7, along with the continuous moving away of the two front sliding doors 4, the limiting block 9 drives the connecting block 7 to synchronously move with the front sliding doors 4, the moving of the connecting block 7 drives the connecting plate 5 to synchronously move, and the locking block 19 passes through one of the sliding grooves 18;
when the door is closed, the two driving motors 27 are both started to rotate the driven wheel and move the transmission belt 28, and simultaneously two belt clamps 29 on the same transmission belt 28 are moved close to each other, the movement of the belt clamps 29 drives the support plates 24 to move on the slide rails 23, and the two support plates 24 on one transmission belt 28 drive the two rear sliding doors 3 to move close to each other, the two support plates 24 on the other transmission belt 28 drive the two front sliding doors 4 to move close to each other, and the rotating shaft 17 and the locking blocks 19 pass through the sliding grooves 18, when the limiting blocks 9 abut against the connecting plates 5, the distance between the limiting blocks 9 and the connecting blocks 7 is reduced along with the continuous close movement of the two front sliding doors 4, the springs 10 are compressed, and simultaneously the nuts of the ball screw pairs 20 are moved on the screws of the ball screw pairs 20, so that the rotating shaft 17 of the moving plate is rotated reversely, the locking blocks 19 abut against the fixing rods 11, and the fixing tubes 12 are moved on the fixing rods 11, the air pressure in the fixed pipe 12 is increased, the air in the fixed pipe 12 cannot be discharged from the air hole 14 through the one-way characteristic of the second one-way valve 15, and only the air in the fixed pipe 12 is discharged from the first one-way valve 13 and acts on the front sliding door 4, the air is purified through the filter screen 16, and dust on the front sliding door 4 is blown away under the action of air flow;
in addition, through calculation, the synchronous action of the front sliding door 4 and the rear sliding door 3 at corresponding positions according to proportional speed can be realized at the same time, the kinetic energy index of opening and closing the door in unit time is ensured, the requirements of large opening degree on door opening time and door body kinetic energy are met, and the stability of the door body structure is ensured under the action of wind pressure load;
here, can unblock and manual opening the door when emergency through lock 31, support through latch segment 19 and connecting plate 5 and lean on, can realize the locking of two connecting plates 5, prevent that two connecting plates 5 from opening the door for the people to pull open, the security has been improved, moreover, during the state of opening the door, when connecting plate 5 receives the striking, through the elastic action of spring 10, can also realize buffering and damping, in addition, through the cooperation removal of preceding sliding door 4 with back sliding door 3, the volume of the door body has been reduced, the gravity and the load of the door body have been reduced, keep the stability of door body structure under the wind pressure effect, and, through side box 2, can realize platform side maintenance, improve the convenience of maintaining.
In addition to the above embodiments, the present invention also includes other embodiments, and any technical solutions formed by equivalent transformation or equivalent replacement should fall within the scope of the claims of the present invention.
Claims (10)
1. A platform door for rail transit, characterized in that: the door comprises two fixed doors (1), wherein the two fixed doors (1) are arranged at left and right intervals, side boxes (2) are arranged on one sides of the two fixed doors (1) close to each other, a front door structure, a rear door structure and two driving mechanisms are arranged between the two side boxes (2), and the front door structure and the rear door structure are positioned behind the side boxes (2);
the rear door structure comprises two rear sliding doors (3) which are arranged at left and right intervals, the rear sliding doors (3) correspond to the side boxes (2) one by one, and a gap is formed between each rear sliding door (3) and each side box (2);
the front door structure comprises two front sliding doors (4) which are arranged at left and right intervals, the two front sliding doors (4) are positioned between the two rear sliding doors (3), the front sliding doors (4) correspond to the rear sliding doors (3) one by one, and the front sliding doors (4) are positioned in front of the rear sliding doors (3);
the front sliding door (4) and the rear sliding door (3) at the corresponding positions form a group;
one of the two driving mechanisms drives the two front sliding doors (4) to move close to or away from each other, and the other driving mechanism drives the two rear sliding doors (3) to move close to or away from each other;
the front sliding door (4) and the rear sliding door (3) at the corresponding positions synchronously act in proportion with the time.
2. A platform door for rail transit according to claim 1, wherein: the driving mechanism comprises a driving box (22), a moving assembly and a driving assembly are arranged in the driving box (22), the moving assembly comprises two moving units which are arranged left and right, the moving unit comprises a sliding rail (23) and a supporting plate (24), the supporting plate (24) is in sliding connection with the sliding rail (23), the driving assembly comprises a driving wheel (25) and a tensioning wheel (26), the driving wheel (25) is driven by a driving motor (27), the driving wheel (25) and the tensioning wheel (26) are connected through a driving belt (28), two belt clamps (29) are fixedly arranged on the driving belt (28), the belt clamps (29) are in one-to-one correspondence with the supporting plate (24), the belt clamps (29) are fixed on the supporting plate (24), two idle wheels (30) are arranged on the driving belt (28), and two driving belts (28) are arranged in the two driving belts, two support plates (24) on one of the transmission belts (28) are respectively fixedly connected with the bottoms of the two front sliding doors (4), and two support plates (24) on the other transmission belt (28) are respectively fixedly connected with the bottoms of the two rear sliding doors (3).
3. A platform door for rail transit according to claim 1, wherein: the driving box (22) is provided with a door lock (31).
4. A platform door for rail transit according to claim 1, wherein: be provided with two connecting plates (5) between two preceding sliding door (4), two connecting plate (5) laminating, connecting plate (5) and preceding sliding door (4) one-to-one, be equipped with the clearance between connecting plate (5) and preceding sliding door (4), one side of keeping away from each other of two connecting plates (5) all is provided with auxiliary assembly.
5. A platform door for rail transit according to claim 4, wherein: the auxiliary assembly comprises two baffles (6), two auxiliary units and a plurality of connecting units, wherein the two baffles (6) are respectively positioned in the front and the rear of the front sliding door (4), the baffles (6) are fixed on the connecting plate (5), the auxiliary units correspond to the baffles (6) one by one, the auxiliary units are positioned between the front sliding door (4) and the baffles (6), and the connecting units are vertically and uniformly distributed between the connecting plate (5) and the front sliding door (4).
6. A platform door for rail transit according to claim 5, wherein: the baffle (6) and the connecting plate (5) are of an integrally formed structure.
7. A platform door for rail transit according to claim 5, wherein: the connecting unit includes connecting block (7) and connecting rod (8), connecting rod (8) are parallel with fixed door (1), the fixed setting of one end of connecting rod (8) is on sliding door (4) in the front, the fixed stopper (9) that is provided with of the other end of connecting rod (8), stopper (9) support with connecting plate (5) and lean on, connecting block (7) activity cover is established on connecting rod (8), connecting block (7) and connecting plate (5) fixed connection, be provided with spring (10) between connecting block (7) and preceding sliding door (4), connecting block (7) are connected with preceding sliding door (4) through spring (10), spring (10) are in compression state.
8. A platform door for rail transit according to claim 5, wherein: the auxiliary unit comprises a plurality of auxiliary components which are vertically and uniformly distributed, the auxiliary components comprise a fixed rod (11) and a fixed pipe (12), the fixed rod (11) is parallel to the connecting rod (8), the fixed pipe (12) and the fixed pipe (12) are coaxially arranged, one end of the fixed rod (11) is fixedly arranged on the connecting plate (5), the other end of the fixed rod (11) is inserted into the fixed pipe (12), the fixed pipe (12) is connected with the fixed rod (11) in a sliding and sealing mode, one end, far away from the fixed pipe (12), of the fixed pipe (12) is provided with a first one-way valve (13), the fixed pipe (12) is provided with an air hole (14), the air hole (14) is located between the fixed rod (11) and the first one-way valve (13), a second one-way valve (15) is installed in the air hole (14), and a filter screen (16) is further installed in the air hole, the filter screen (16) is located between the first one-way valve (13) and the second one-way valve (15).
9. A platform door for rail transit according to claim 4, wherein: the locking mechanism is characterized in that two locking assemblies are further arranged between the two front sliding doors (4), the locking assemblies correspond to the front sliding doors (4) one by one, each locking assembly comprises a rotating shaft (17) and two sliding grooves (18), the rotating shaft (17) is parallel to the connecting rod (8), the two sliding grooves (18) are respectively arranged on the two connecting plates (5), the rotating shaft (17) movably penetrates through the two sliding grooves (18), two locking blocks (19) are fixedly arranged on the rotating shaft (17), the locking blocks (19) correspond to the connecting plates (5) one by one, the two locking blocks (19) are respectively abutted against one sides, far away from each other, of the two connecting plates (5), a ball screw pair (20) is arranged on the rotating shaft (17), a screw rod of the ball screw pair (20) is coaxially and fixedly arranged on the rotating shaft (17), and a nut of the ball screw pair (20) is fixedly connected with the front sliding doors (4), the rotating shaft (17) is fixedly connected with the connecting block (7) through a bearing (21).
10. A platform door for rail transit according to any one of claims 1 to 9, wherein: the use method of the platform door for the track traffic comprises the following steps: when the door is opened, the two front sliding doors (4) are far away from and move through one of the driving mechanisms, the two rear sliding doors (3) are far away from and move through the other driving mechanism, when the door is closed, the two front sliding doors (4) are close to and move to realize resetting, the two rear sliding doors (3) are close to and move to realize resetting, the front sliding doors (4) and the rear sliding doors (3) at corresponding positions synchronously act in proportion at the same time, the requirements of opening degree on door opening time and door kinetic energy are met, and the stability of a door structure is ensured under the action of wind pressure load.
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|---|---|---|---|
| CN202111675915.9A CN114506348B (en) | 2021-12-31 | 2021-12-31 | Platform door for rail transit |
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|---|---|---|---|
| CN202111675915.9A CN114506348B (en) | 2021-12-31 | 2021-12-31 | Platform door for rail transit |
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| CN114506348B CN114506348B (en) | 2023-08-15 |
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| CN114506348B (en) | 2023-08-15 |
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