CN114506348B - Platform door for rail transit - Google Patents
Platform door for rail transit Download PDFInfo
- Publication number
- CN114506348B CN114506348B CN202111675915.9A CN202111675915A CN114506348B CN 114506348 B CN114506348 B CN 114506348B CN 202111675915 A CN202111675915 A CN 202111675915A CN 114506348 B CN114506348 B CN 114506348B
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- Prior art keywords
- door
- sliding doors
- doors
- driving
- front sliding
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- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000004887 air purification Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (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 left and right, side boxes are arranged on one sides of the two fixed doors, which are 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; the platform door for the track traffic realizes the adoption of a large-opening channel, reduces the volume of a door body, reduces the gravity and the load of the door body, keeps the stability of the door body structure under the action of wind pressure load, meets the requirements of large-opening (distance) on the door opening time and the kinetic energy (the door opening time is 3-4.5s, and the kinetic energy is no more than 1 joule), simultaneously can also realize the dust removal of the front sliding door, realizes the locking of the two front sliding doors, and prevents the front sliding door from being pulled manually to generate a safety accident.
Description
Technical Field
The invention relates to a platform door for rail transit, belonging to the field of platform passenger protection equipment.
Background
Platform doors are an important component of modern rail transit. The platform door adopts a signal control technology to open and close the door body driven by the motor. In the opening and closing actions, the sliding door at the corresponding position of the train door is synchronously opened and closed, so that the safety and convenience of getting on and off passengers are ensured, and safety accidents are avoided.
The half-height door structure scheme meeting the requirement of train doors at various vehicle type positions in the existing platform door industry generally adopts a large-opening channel type, so that the door body is oversized, the load is increased, the door body is easy to damage, and the requirements of the large-opening (distance) on the door opening time and the kinetic energy (the door opening time is 3-4.5s, and the kinetic energy is not more than 1J) cannot 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 products are overcome.
Disclosure of Invention
The invention aims to solve the technical problems that: in order to overcome the deficiencies of the prior art, a platform door for rail transit is provided.
The invention solves the problems by adopting the following technical scheme: the platform door for the rail transit comprises two fixed doors, wherein the two fixed doors are arranged at left and right intervals, side boxes are arranged on one sides, close to each other, of the two fixed doors, 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 left and right, the rear sliding doors correspond to the side boxes one by one, and a gap is arranged between the rear sliding doors and the side boxes;
the front door structure comprises two front sliding doors which are arranged at intervals 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 corresponding positions are 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 corresponding positions synchronously act in proportion at the same time;
two connecting plates are arranged between the two front sliding doors and are attached, the connecting plates correspond to the front sliding doors one by one, a gap is arranged between the connecting plates and the front sliding doors, and auxiliary components are arranged on one sides, away from each other, of the two connecting plates;
the auxiliary assembly comprises two baffles, two auxiliary units and a plurality of connecting units, wherein the two baffles are respectively positioned in front of and behind the front sliding door, the baffles are fixed on the connecting plates, 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 plates and the front sliding door;
the connecting unit comprises a connecting block and a connecting rod, wherein the connecting rod is parallel to the fixed door, one end of the connecting rod is fixedly arranged on the front sliding door, a limiting block is fixedly arranged at the other end of the connecting rod, the limiting block abuts against the connecting plate, the connecting block is movably sleeved on the connecting rod, the connecting block 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;
still be provided with two locking assemblies between two preceding sliding doors, locking assemblies and preceding sliding door one-to-one, locking assemblies includes axis of rotation and two spouts, the axis of rotation is parallel with the connecting rod, and two spouts set up respectively on two connecting plates, the axis of rotation activity passes two spouts, fixed two latch segment that are provided with in the axis of rotation, latch segment and connecting plate one-to-one, two latch segment are supported with one side of keeping away from each other of two connecting plates respectively and lean on, be provided with ball screw pair in the axis of rotation, the screw rod coaxial fixed setting of ball screw pair is in the axis of rotation, ball screw pair's nut and preceding sliding door fixed connection, the axis of rotation passes through bearing and connecting block fixed connection.
Preferably, the driving mechanism comprises a driving box, a moving assembly and a driving assembly are arranged in the driving box, the moving assembly comprises two moving units which are arranged left and right, each moving unit comprises a sliding rail and a supporting plate, each supporting plate is in sliding connection with the corresponding sliding rail, each driving assembly comprises a driving wheel and a tensioning wheel, each driving wheel is driven by a driving motor, each driving wheel is connected with the corresponding tensioning wheel through a driving belt, two belt clamps are fixedly arranged on each driving belt and correspond to the corresponding supporting plates one by one, each belt clamp is fixedly arranged on each supporting plate, two idler wheels are arranged on each driving belt, two supporting plates on one driving belt are fixedly connected with bottoms of two front sliding doors respectively, and two supporting plates on the other driving belt are distributed and fixedly connected with bottoms of two rear sliding doors.
Preferably, a door lock is provided on the drive box.
Preferably, the baffle and the connecting plate are of an integrated structure.
Preferably, the auxiliary unit comprises a plurality of auxiliary components, the vertical evenly distributed of a plurality of auxiliary components, the auxiliary components include dead lever and fixed pipe, the dead lever is parallel with the connecting rod, fixed pipe and the coaxial setting of dead lever, the fixed setting of one end of dead lever is on the connecting plate, the other end of dead lever inserts in the fixed pipe, the fixed pipe slides and sealing connection with the dead lever, first check valve is installed to the one end of keeping away from the dead lever of fixed pipe, be provided with the gas pocket on the fixed pipe, the gas pocket is located between dead lever and the first check valve, install the second check valve in the gas pocket, still install the filter screen in the fixed pipe, the filter screen is located between first check valve and the second check valve.
When the door is opened, the two front sliding doors are far away from each other through one driving mechanism, the two rear sliding doors are far away from each other through the other driving mechanism, when the door is closed, the two front sliding doors are close to each other to reset, the two rear sliding doors are close to each other to reset, 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, and the stability of a door body structure is ensured under the action of wind pressure load.
Compared with the prior art, the invention has the advantages that:
the platform door for the track traffic realizes the adoption of a large-opening channel, reduces the volume of a door body, reduces the gravity and the load of the door body, keeps the stability of the door body structure under the action of wind pressure load, meets the requirements of large-opening (distance) on the door opening time and the kinetic energy (the door opening time is 3-4.5s and the kinetic energy is not more than 1J), simultaneously can realize the dust removal of the front sliding door, realizes the locking of the two front sliding doors, and prevents the front sliding door from being manually pulled open to cause safety accidents.
Drawings
FIG. 1 is a schematic 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 diagram of the structure of the auxiliary assembly;
FIG. 5 is a schematic diagram of a driving mechanism;
FIG. 6 is a schematic diagram of a mobile assembly;
fig. 7 is a schematic structural view of the driving assembly.
Wherein: 1. a fixed door, a side box, a rear sliding door, a front sliding door and a connecting plate, a baffle plate, a connecting block, a connecting rod and a limiting block, 10, spring, 11, fixing rod, 12, fixing tube, 13, first check valve, 14, air hole, 15, second check valve, 16, 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 tensioning wheel, 27, a driving motor, 28, a driving belt, 29, a belt clamp, 30, an idler wheel and 31, a door lock.
Detailed Description
As shown in fig. 1 to 7, a platform door for track traffic in this embodiment includes two fixed doors 1, the two fixed doors 1 are arranged at left and right intervals, side boxes 2 are arranged on sides of the two fixed doors 1, which are 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 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 arranged between the rear sliding doors 3 and the side boxes 2 in one-to-one correspondence with the rear sliding doors 3 and the side boxes 2;
the front door structure comprises two front sliding doors 4 which are arranged at intervals left and right, the two front sliding doors 4 are positioned between the two rear sliding doors 3, the front sliding doors 4 are in one-to-one correspondence with the rear sliding doors 3, 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 are 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 corresponding positions synchronously act at the same time in proportion, so that the kinetic energy index of opening and closing the door in unit time is ensured, the requirements of large opening on the opening time and the kinetic energy of the door body 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, the connecting plates 5 are in one-to-one correspondence with the front sliding doors 4, a gap is arranged between the connecting plates 5 and the front sliding doors 4, and auxiliary components are arranged on one sides, 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 plates 5, the auxiliary units are in one-to-one correspondence with the baffles 6, the auxiliary units are positioned between the front sliding door 4 and the baffles 6, and the plurality of connecting units are vertically and uniformly distributed between the connecting plates 5 and the front sliding door 4;
preferably, the baffle 6 and the connecting plate 5 are in an integrated 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 is abutted 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, the plurality of auxiliary components 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 is coaxially arranged with the fixed rod 11, 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, a first one-way valve 13 is arranged at one end, far away from the fixed rod 11, of the fixed pipe 12, an air hole 14 is arranged on the fixed pipe 12, the air hole 14 is positioned between the fixed rod 11 and the first one-way valve 13, a second one-way valve 15 is arranged in the air hole 14, a filter screen 16 is also arranged in the fixed pipe 12, and the filter screen 16 is positioned between the first one-way valve 13 and the second one-way valve 15;
preferably, two locking components are further arranged between the two front sliding doors 4 and correspond to the front sliding doors 4 one by one, each locking component comprises a rotating shaft 17 and two sliding grooves 18, the rotating shafts 17 are parallel to the connecting rods 8, the two sliding grooves 18 are respectively arranged on the two connecting plates 5, the rotating shafts 17 movably penetrate through the two sliding grooves 18, two locking blocks 19 are fixedly arranged on the rotating shafts 17, the locking blocks 19 correspond to the connecting plates 5 one by one, the two locking blocks 19 respectively abut against one sides, away from each other, of the two connecting plates 5, the rotating shafts 17 are provided with ball screw pairs 20, screws of the ball screw pairs 20 are coaxially and fixedly arranged on the rotating shafts 17, nuts of the ball screw pairs 20 are fixedly connected with the front sliding doors 4, and the rotating shafts 17 are fixedly connected with the connecting blocks 7 through bearings 21.
Preferably, 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, each moving unit comprises a sliding rail 23 and a supporting plate 24, each supporting plate 24 is in sliding connection with the corresponding sliding rail 23, each driving assembly comprises a driving wheel 25 and a tensioning wheel 26, each driving wheel 25 is driven by a driving motor 27, each driving wheel 25 and each tensioning wheel 26 are connected by a driving belt 28, two belt clamps 29 are fixedly arranged on each driving belt 28, the belt clamps 29 are in one-to-one correspondence with the corresponding supporting plates 24, the belt clamps 29 are fixedly arranged on the corresponding supporting plates 24, two idler wheels 30 are arranged on each driving belt 28, two supporting plates 24 on one driving belt 28 are fixedly connected with the bottoms of the corresponding front sliding doors 4 respectively, and two supporting plates 24 on the other driving belt 28 are fixedly connected with the bottoms of the corresponding rear sliding doors 3.
Preferably, the driving box 22 is provided with a door lock 31;
preferably, the method for using the platform door for rail transit comprises the following steps: when the door is opened, the two front sliding doors 4 are far away from and move through one driving mechanism, 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 reset, the two rear sliding doors 3 are close to and move to reset, the front sliding doors 4 and the rear sliding doors 3 at corresponding positions synchronously act in proportion with time, the requirements of opening degree on door opening time and door kinetic energy are met, the stability of the door body structure is ensured under the action of wind pressure load, meanwhile, the air is injected to the front sliding doors 4 through the auxiliary unit, dust on the front sliding doors 4 is blown away under the action of air flow, 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 component.
The method for using the platform door for rail transit comprises the following steps:
when the door is opened, the two driving motors 27 are started to enable the driving wheels 25 to rotate and enable the driving belts 28 to move, meanwhile, the two belt clamps 29 on the same driving belt 28 are enabled to move away from each other, the movement 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 away from each other, the two supporting plates 24 on the other driving belt 28 drive the two front sliding doors 4 to move away from each other, the rotating speed of the driving motor 27 is controlled to enable the rear sliding doors 3 to be synchronous with the front ring, when the front sliding doors 4 move, the distance between the limiting block 9 and the connecting block 7 is reduced through the elastic effect of the spring 10, the fixed rod 11 and the fixed pipe 12 are enabled to move relatively, and air can only be conveyed into the fixed pipe 12 from the air holes 14 through the unidirectional characteristic of the first one-way valve 13, meanwhile, nuts of the ball screw pair 20 are enabled to move on the ball screw pair 20, the ball screw pair 20 can convert rotary motion into linear motion, or convert the linear motion into rotary motion, and accordingly the rotating shaft 17 is enabled to drive the rotating shaft 17 to rotate on the rotating shaft 17 to rotate the rotating block 17 on the rotating shaft 17 and the connecting block 7 to rotate on the rotating shaft 17 and the connecting block 19 to rotate synchronously with the sliding block 7 and the sliding block 7 to move along with the sliding block 7, and the sliding block 19 is enabled to move along with the sliding block 4 and the sliding block 4 to move along with the sliding block 4, and the sliding block is enabled to move along with the sliding block 7 and the sliding block is kept opposite to move along with the sliding connection 7, and the sliding block is kept opposite to move;
when the door is closed, the two driving motors 27 are started to rotate the driven wheels and move the driving belts 28, simultaneously, the two belt clamps 29 on the same driving belt 28 are moved close to each other, the movement 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 close to each other, the two supporting plates 24 on the other driving belt 28 drive the two front sliding doors 4 to move close to each other, the rotating shafts 17 and the locking blocks 19 penetrate through the sliding grooves 18, when the two connecting plates 5 are abutted, the distance between the front sliding doors 4 and the connecting blocks 7 is reduced along with the continued close movement of the two front sliding doors 4, the spring 10 is compressed, the nut of the ball screw pair 20 moves on the screw of the ball screw pair 20, the rotating shaft 17 rotates reversely, the locking block 19 is abutted against the moving plate, the fixed pipe 12 moves on the fixed rod 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 unidirectional characteristic of the second one-way valve 15, only the air in the fixed pipe 12 can be discharged from the first one-way valve 13 and acted on the front sliding door 4, the air purification is realized through the filter screen 16, and the dust on the front sliding door 4 is blown away under the action of air flow;
in addition, through calculation, the front sliding door 4 and the rear sliding door 3 at corresponding positions can synchronously act according to the proportional speed, so that the kinetic energy index of opening and closing the door in unit time is ensured, the requirements of large opening on door opening time and door kinetic energy are met, and the stability of the door structure is ensured under the action of wind pressure load;
here, can unlock and manual the opening door when emergency through lock 31, support through retaining block 19 and connecting plate 5 and lean on, can realize the locking of two connecting plates 5, prevent that two connecting plates 5 from artificially pulling open and open the door, the security has been improved, moreover, when opening the door the state, when connecting plate 5 received the striking, through the elastic action of spring 10, still can realize buffering and damping, in addition, through the cooperation removal of preceding sliding door 4 and 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, moreover, through side box 2, can realize platform side maintenance, the convenience of maintenance is improved.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions that are formed by equivalent transformation or equivalent substitution should fall within the protection scope of the claims of the present invention.
Claims (6)
1. A platform door for rail transit, characterized in that: the door structure 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, close to each other, of the two fixed doors (1), 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 intervals left and right, the rear sliding doors (3) are in one-to-one correspondence with the side boxes (2), and a gap is arranged between the rear sliding doors (3) and the side boxes (2);
the front door structure comprises two front sliding doors (4) which are arranged at intervals left and right, the two front sliding doors (4) are positioned between the two rear sliding doors (3), the front sliding doors (4) are in one-to-one correspondence with the rear sliding doors (3), 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 are 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 corresponding positions synchronously act in proportion at the same time;
two connecting plates (5) are arranged between the two front sliding doors (4), the two connecting plates (5) are attached, the connecting plates (5) are in one-to-one correspondence with the front sliding doors (4), a gap is arranged between the connecting plates (5) and the front sliding doors (4), and auxiliary components are arranged on one sides, away from each other, of the two connecting plates (5);
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 front of and behind the front sliding door (4), the baffles (6) are fixed on the connecting plates (5), the auxiliary units are in one-to-one correspondence with the baffles (6), 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 plates (5) and the front sliding door (4);
the connecting unit comprises a connecting block (7) and a connecting rod (8), wherein 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), a limiting block (9) is fixedly arranged at the other end of the connecting rod (8), the limiting block (9) is propped 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;
still be provided with two locking assemblies between two preceding sliding doors (4), locking assemblies and preceding sliding door (4) one-to-one, locking assemblies includes axis of rotation (17) and two spouts (18), axis of rotation (17) are parallel with connecting rod (8), and two spouts (18) set up respectively on two connecting plates (5), axis of rotation (17) activity passes two spouts (18), fixed being provided with two latch segment (19) on axis of rotation (17), latch segment (19) and connecting plate (5) one-to-one, two latch segment (19) are supported with one side of keeping away from each other of two connecting plates (5) respectively, be provided with ball screw pair (20) on axis of rotation (17), the screw coaxial fixed setting of ball screw pair (20) is on axis of rotation (17), the nut of ball screw pair (20) is fixed with preceding sliding door (4), axis of rotation (17) pass through bearing (21) and connecting block (7) fixed connection.
2. A platform door for rail transit as claimed in 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, each moving unit comprises a sliding rail (23) and a supporting plate (24), each supporting plate (24) is in sliding connection with the sliding rail (23), each driving assembly comprises a driving wheel (25) and a tensioning wheel (26), each driving wheel (25) is driven by a driving motor (27), each driving wheel (25) and each tensioning wheel (26) are connected by a driving belt (28), two belt clamps (29) are fixedly arranged on each driving belt (28), each belt clamp (29) corresponds to each supporting plate (24) one to one, each belt clamp (29) is fixedly arranged on each supporting plate (24), each driving belt (28) is provided with two idler wheels (30), each driving belt (28) is fixedly connected with the bottoms of two front sliding doors (4), and each supporting plate (24) on one driving belt (28) is fixedly connected with the bottoms of two rear sliding doors (3) of the two supporting plates (24) on the other driving belt (28).
3. A platform door for rail transit as claimed in claim 2, wherein: a door lock (31) is arranged on the driving box (22).
4. A platform door for rail transit as claimed in claim 1, wherein: the baffle (6) and the connecting plate (5) are of an integrated structure.
5. A platform door for rail transit as claimed in claim 1, wherein: the auxiliary unit comprises a plurality of auxiliary components, the vertical evenly distributed of a plurality of auxiliary components, auxiliary components includes dead lever (11) and fixed pipe (12), dead lever (11) are parallel with connecting rod (8), fixed pipe (12) are coaxial with dead lever (11) and are set up, the fixed setting of one end of dead lever (11) is on connecting plate (5), in dead lever (11) other end inserts fixed pipe (12), first check valve (13) are installed to the one end of keeping away from dead lever (11) of dead lever (12) and sealing connection, be provided with gas pocket (14) on dead lever (12), gas pocket (14) are located between dead lever (11) and first check valve (13), install second check valve (15) in gas pocket (14), still install filter screen (16) in dead lever (12), filter screen (16) are located between first check valve (13) and second check valve (15).
6. A method of using a platform door for rail transit according to any one of claims 1 to 5, wherein: when the door is opened, the two front sliding doors (4) are far away from and move through one driving mechanism, 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 reset, the two rear sliding doors (3) are close to and move to reset, the front sliding doors (4) and the rear sliding doors (3) at corresponding positions synchronously act at the same time according to proportion, the requirements of opening degree on door opening time and door body kinetic energy are met, and the stability of a door body structure is ensured under the action of wind pressure load.
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| Application Number | Priority Date | Filing Date | Title |
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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 true CN114506348B (en) | 2023-08-15 |
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| CN114506348A (en) | 2022-05-17 |
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