CN217778600U - Platform door system overall layout structure - Google Patents

Abstract

The utility model discloses a platform door system overall arrangement structure, platform door system sets up in the platform edge, platform door system includes a plurality of dodge gate modules and the removal direction station platen of arranging the setting in proper order along the platform edge, each the dodge gate module with slidable and around spacing mode install in on the removal direction station platen, adjacent a plurality of the dodge gate module can make up and move along the removal direction platform board at the platform edge, realizes that the optional position opens the door and the opening of a door degree. The utility model makes the operation of the whole platform door more stable and reliable, greatly reduces the difficulty of site construction and is convenient for adjustment; each dodge gate module can be followed the removal and is led the platform board and realize that the movement distance is unrestricted, satisfies the super large degree function demand of opening of high-speed railway platform door under mutually supporting, can be according to the stop demand of different motorcycle type trains, and the position of opening the door is adjusted in a flexible way, forms the combination scheme that opens the door that corresponds the matching with different trains, and the practicality is strong.

Description

Platform door system overall layout structure

Technical Field

The utility model relates to an urban rail transit and high-speed railway platform door technical field especially relate to a platform door system overall layout structure.

Background

The rail platform door system is a continuous barrier which is arranged at the edge of a platform and/or a platform, is used for isolating a passenger waiting area and a rail area from each other, corresponds to a train door and can open and close a movable door in a multi-stage control mode. The platform door can safely isolate the platform waiting area from the train rail running area, so that irrelevant personnel can be prevented from entering the train rail running area intentionally or unintentionally, and the waiting safety of the platform is improved. Platform doors are mainly of two types: one type is a full-facade glass partition wall and a movable door, which are arranged along the edge of a platform and two ends of the platform to separate a passenger waiting area from a train entering and stopping area, and belong to a full-enclosed type: the other type is a glass partition wall and a movable door or a stainless steel fence door which are not covered on the top, and belongs to a semi-closed type. When the train arrives or departs, the platform door can be automatically opened and closed, so that a safe and comfortable waiting environment is created for passengers.

For urban rails such as subways and light rails, the type of a certain line is a determined single type, the relative position between doors of each train is the same as the size of the doors, and the parking position accuracy can be improved by means of an ATO (automatic train operation) device, so that a shield door and a safety door used in a subway platform can be arranged according to a specific type of the train, and the movable doors and the doors can be in one-to-one correspondence. However, high-speed railway trains and intercity trains in China have various types due to historical reasons, railway platforms face the requirement of the trains with various types for stopping the platforms, and the precision of the stopping positions is lower than that of subways and light rails, so that the requirement on the type adaptability of the railway platform safety door is higher than that of the conventional subway safety door.

The present common operation train motorcycle type is numerous, and the door relative position of each motorcycle type, door size all differ, and traditional fixed position shield door, emergency exit mode obviously can't satisfy diversified demand for the subway shield door that only adapts to single fixed motorcycle type, emergency exit technique can't be by a large scale in railway platform application and popularization. Therefore, it is necessary to develop a full motion platform door capable of flexibly adjusting the door opening position.

However, most of the existing structure designs of the full-motion platform doors have various problems of poor operation stability, large difficulty in site construction and maintenance, trouble and labor consumption in installation, inconvenience in adjustment and the like.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the problem that prior art exists, provide a platform door system overall layout structure, this platform door system overall layout structure makes the operation of platform door steady more reliable, greatly reduced the site operation degree of difficulty, the regulation of being convenient for can be according to the demand of berthhing of different motorcycle type trains, and the position of opening the door is adjusted in a flexible way.

The utility model discloses a realize like this, a platform door system overall arrangement structure, platform door system sets up in the platform edge, platform door system includes a plurality of dodge gate modules and the removal direction station platen of arranging the setting in proper order along the platform edge, each the dodge gate module with slidable and around spacing mode install in on the removal direction station platen, adjacent a plurality of the dodge gate module can make up and move along the removal direction platform board at the platform edge, realize that the optional position opens the door and the opening of a door is opened.

Preferably, each movable door module comprises a movable box, two movable doors respectively arranged at the left side and the right side of the movable box, and a driving assembly, wherein the driving assembly comprises a main driving module and an auxiliary driving module; the bottom of each mobile box is matched with a mobile guide platform plate through a main driving module, so that the mobile boxes slide along the mobile guide platform plate; two sides of each movable box are respectively connected with a movable door through an auxiliary driving module, so that the movable doors can move and stretch in the movable boxes.

Preferably, the mobile guide platform plate comprises a platform plate assembly and a support assembly, the platform plate assembly is formed by butting a plurality of platform plates which are sequentially arranged along the edge of the platform, the platform plate assembly is installed on the support assembly positioned below the platform plate assembly, and at least two guide gaps are formed on the platform plate assembly along the length direction of the platform plate assembly.

Further preferably, the main driving module comprises a gear assembly, a rack assembly and a main motor, the gear assembly is mounted at the bottom of the movable box and penetrates through a guide gap of the platform plate assembly, a gear of the gear assembly is meshed with a rack of the rack assembly below the platform plate assembly, and the gear is in transmission connection with the main motor, so that the gear drives the movable box to move along the rack according to the driving of the main motor.

Still further preferably, the gear assembly includes a gear seat and a gear, the gear is rotatably and horizontally arranged on the gear seat, and the main motor is installed on the gear seat.

Further preferably, the auxiliary driving module comprises a driving device for driving the corresponding side movable door to move and stretch into and out of the movable box and a linear guide rail assembly for enabling the corresponding side movable door to move along and stretch into and out of the movable box; each driving device is connected with the movable door on the corresponding side, and each linear guide rail assembly is installed between the movable door and the movable box on the corresponding side.

Still more preferably, each of the driving devices is installed at the top of the inner side of the movable box and close to the movable door at the corresponding side, so that the corresponding movable door can make linear reciprocating motion to extend and retract in the movable box.

Further preferably, a guide wheel assembly and a support wheel assembly are mounted at the bottom of each moving box;

the guide wheel assembly penetrates through a guide gap of the platform plate assembly of the movable guide station platform plate, and two guide wheels of the guide wheel assembly vertically clamp the platform plate assembly and leave a rolling gap so that the movable box moves on the platform plate assembly under the guidance of the guide wheel assembly; the guide wheel assembly and the main driving module penetrate through different guide gaps;

the supporting wheel assembly penetrates through a guide gap of the platform plate assembly of the movable guide station bedplate, and two supporting wheels of the supporting wheel assembly clamp the platform plate assembly up and down and leave a rolling gap so that the movable box moves on the platform plate assembly under the support of the supporting wheel assembly; the guide gaps through which the support wheel assembly and the guide wheel assembly pass are different.

Further preferably, an optical axis guide rail is arranged on the platform plate component close to the guide wheel component, and a guide wheel on the upper part of the guide wheel component is a concave guide wheel matched with the optical axis guide rail, so that the guide wheel component moves back and forth along the optical axis guide rail.

Further preferably, a guide shoe assembly is further mounted at the bottom of each mobile box, and the guide shoe assembly extends into a guide gap of the platform plate assembly of the mobile guide platform plate and is used for enabling the mobile box to slide along the platform plate assembly.

The utility model has the advantages and positive effects be:

the overall layout structure of the platform door system of the utility model ensures that the whole platform door operates more stably and reliably, greatly reduces the difficulty of site operation and is convenient to adjust; the movable box is driven and controlled by the main driving module to realize integral walking motion along the movable guide platform plate, the movable door is driven by the auxiliary driving module to stretch and retract the movable door in the movable box to realize the stretching and retracting adjustment of the movable door, the door opening and closing action is completed, and the motion of the movable door module is more stable; each dodge gate module can be followed the slip of removal direction platform board, can realize that the movement distance is unlimited, can remove and open the door at the optional position at the platform edge according to concrete train motorcycle type, satisfies the super large degree of opening a door function demand of high-speed railway platform door under mutually supporting, can be according to the berth demand of different motorcycle type trains, and the position of opening the door is adjusted in a flexible way to the formation and the combination scheme that opens the door that corresponds the matching with different trains, and the practicality is strong.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Figure 1 is a schematic structural view of the general layout of a platform door system according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a movable door module and a movable guide station platen according to an embodiment of the present invention;

FIG. 3 is an exploded view of the movable door module and the movable guide platen according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a movable guide station platen and a main driving module provided by an embodiment of the invention;

FIG. 5 is a schematic view of an installation structure of a main driving module according to an embodiment of the present invention;

FIG. 6 is an exploded schematic view of a gear assembly and main motor provided by an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a driving device cooperating with a movable door according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a driving device provided in an embodiment of the present invention;

FIG. 9 is an exploded view of a driving device according to an embodiment of the present invention;

FIG. 10 is a schematic view of a fine pitch adjustment stud according to an embodiment of the present invention;

FIG. 11 is a schematic view of a guide wheel assembly, support wheel assembly and guide shoe assembly mounting arrangement provided by an embodiment of the present invention;

FIG. 12 is a perspective view of a guide wheel assembly provided by an embodiment of the present invention;

FIG. 13 is an exploded view of a guide wheel assembly provided by an embodiment of the present invention;

fig. 14 is a schematic structural diagram of an optical axis guide rail butt joint provided by an embodiment of the present invention;

FIG. 15 is a perspective view of a support wheel assembly provided by an embodiment of the present invention;

FIG. 16 is an exploded view of a support wheel assembly provided by an embodiment of the present invention;

FIG. 17 is a schematic structural view of a guide shoe assembly provided by an embodiment of the present invention;

fig. 18 is a structural view illustrating an open state of the platform door according to the embodiment of the present invention;

fig. 19 is a schematic structural view illustrating another open state of the platform door according to the embodiment of the present invention;

fig. 20 is a schematic view of a platform door according to another open state of the platform door according to an embodiment of the present invention.

Description of reference numerals:

1. moving the guide station platen;

11. a platform plate assembly; 111. a guide rail seat; 1110. a groove; 112. a first threshold step plate; 113. a second threshold step plate; 114. a first guide gap; 115. a second guide gap; 116. an optical axis guide rail; 1611. butting the male heads; 1612. butting a female joint;

12. a guide wheel assembly; 121. a guide wheel bracket; 122. a first guide wheel; 123. a second guide wheel;

13. a support wheel assembly; 131. a support wheel bracket; 132. a first supporting wheel; 133. a second supporting wheel;

14. a guide shoe assembly; 141. a guide shoe bracket; 1411. a protrusion; 142. a boot guide sleeve; 1421. a recess;

15. a support assembly; 16. a first bearing; 17. a circlip; 18. a first wheel shaft; 19. a first bushing; 20. fixing the bolt;

2. a movable door module;

21. moving the cartridge; 210. a mobile box bottom plate; 211. a hole;

22. a movable door;

3. a main drive module;

31. a rack assembly; 311. a rack seat; 312. a rack;

32. a gear assembly; 321. a gear seat; 3211. a through hole; 3212. mounting seat holes; 322. a gear; 323. a first flat bond; 324. a second bearing; 325. a second bushing;

33. a main motor; 331. an output shaft of the main motor;

4. a drive device;

41. a transmission case; 411. a box body; 4111. an opening; 4112. an internally threaded through bore; 412. a box cover; 4121. a via hole; 413. a driving gear; 414. a driven gear; 415. a guide wheel; 416. a third bearing; 417. a retainer ring; 418. a flat key II; 419. a second wheel shaft; 420. fastening screws;

42. a synchronous toothed belt; 421. a belt clip;

43. a secondary motor;

44. a height adjustment device; 441. fine thread adjusting stud; 4411. a hexagonal head; 4412. an internal thread counter bore; 442. locking the nut;

5. a linear guide assembly; 51. a slide rail; 52. a slide block.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the present embodiment provides an overall layout structure of a platform door system, the platform door system is disposed at an edge of a platform, the platform door system includes a plurality of movable door modules 2 and a movable guide platform plate 1, the movable door modules 2 are sequentially arranged along the edge of the platform, each movable door module 2 is slidably mounted on the movable guide platform plate 1 in a front-back limiting manner, and a plurality of adjacent movable door modules 2 can be combined and move along the movable guide platform plate 1 at the edge of the platform, so as to achieve opening of a door and opening of a door at any position.

The movable guide station plate 1 comprises a platform plate assembly 11 and a supporting assembly 15, the platform plate assembly 11 is installed on the supporting assembly 15 positioned below the platform plate assembly, the platform plate assembly 11 is composed of a plurality of platform plates which are sequentially arranged in a butt joint mode along the platform edge, and therefore each movable door module 2 can move along the whole jointed platform plate assembly 11 at the platform edge. The platform plate assembly 11 is formed with at least two guide gaps along its length, specifically as required.

In the embodiment, two guide gaps are arranged, so that the platform plate assembly 11 is composed of a guide rail seat 111, a first threshold step plate 112 and a second threshold step plate 113, the guide rail seat 111, the first threshold step plate 112 and the second threshold step plate 113 are all installed on the supporting assembly 15 positioned below the guide rail seat 111, the first threshold step plate 112 and the second threshold step plate 113, the supporting assembly 15 positioned below the first threshold step plate is fixed relative to the platform, a first guide gap 114 is reserved between the guide rail seat 111 and the first threshold step plate 112, and a second guide gap 115 is reserved between the first threshold step plate 112 and the second threshold step plate 113. The guide rail seat 111, the first threshold step plate 112 and the second threshold step plate 113 are all made of aluminum profiles.

Each movable door module 2 consists of a movable box 21, two movable doors 22 respectively arranged at the left side and the right side of the movable box 21 and a driving assembly, wherein the driving assembly comprises a main driving module 3 and an auxiliary driving module; the bottom of each movable box 21 is matched with the movable guide station bedplate 1 through a main driving module 3, so that the movable box 21 slides along the movable guide station bedplate 1; two sides of each movable box 21 are respectively connected with a movable door 22 through an auxiliary driving module, so that the movable doors 22 can move and stretch in the movable boxes 21. Specifically, the movable doors 22 on both sides of the movable box 21 are telescopically and movably disposed in the corresponding movable box 21 in a front-back dislocation manner, so that the movable doors 22 can be completely accommodated in the movable box 21, and the movable door module 2 has an oversized door opening. The platform door can be in communication connection with an upper computer so as to open and close the door according to the control of the upper computer.

The movable box 21 and the movable door 22 of this embodiment both include a corresponding door body and a frame, and the door body is disposed on the frame. The motion of removing box 21 and dodge gate 22 combines, can realize that each dodge gate module 2 removes and opens the door at the optional position at the platform edge according to the concrete motorcycle type of train to have the platform door opening degree of a super large, can form different combination schemes that open the door according to concrete demand, be applicable to various train motorcycle types and size, the practicality is strong, is favorable to realizing safe and reliable and corresponds the platform door that matches with different trains and opens the door process of closing the door.

Referring to fig. 4 to 6, the main driving module 3 includes a rack assembly 31, a gear assembly 32 and a main motor 33, the rack assembly 31 includes a rack seat 311 and a rack 312, the rack seat 311 is an aluminum profile rack seat, and is mounted on the supporting assembly 15 below the platform plate assembly 11 to serve as a structural foundation of the main driving module 3; the rack 312 is installed on the rack seat 311 and located below the platform plate assembly 11, and the rack 312 is aligned and butted through the flanges of the rack seat 311 to realize full-length butt joint. The gear assembly 32 is installed on the moving box bottom plate 210 and passes through the second guide gap 115 of the platform plate assembly 11, a gear 322 of the gear assembly 32 is meshed with the rack 312 of the rack assembly 31 under the platform plate assembly 11, the gear 322 is in transmission connection with the main motor 33, and the gear 322 is driven by the main motor 33 to move along the rack 312 under the action of the moving guide platform plate 1. Adopt rack and pinion drive mechanism, be integrated into a set of transmission system with the unit transmission of all dodge gate modules 2, lead to long arranging, have simple structure, structure overall dimension little, reliable and stable, the security is high, the movement distance is unrestricted, can infinitely dock advantages such as continuation. And main drive module 3 adopts and carries out driven formula structure of putting down in platform board subassembly 11 below, it is isolated with external environment with rack and pinion through platform board subassembly 11, effectively avoid the damage of pollutant and artificial condition to rack 312, factor of safety is high, and satisfy the security requirement that the passenger went on or off the train, the rack and pinion life-span has been improved simultaneously, the artificial wearing and tearing and the damage of having avoided rack and pinion to expose the bring, make can not produce the interference to main drive module 3, improve driven reliability and security, and make once more remove box 21 and full length guide unit 1 cooperation, guarantee to operate more steadily.

The gear assembly 32 comprises a gear seat 321 and a gear 322, the main motor 33 is installed on the gear seat 321, the upper part of the gear seat 321 is installed on the movable box bottom plate 210, the lower part of the gear seat 321 penetrates through the second guide gap 115 of the platform plate assembly 11, the gear 322 is horizontally arranged in the lower part of the gear seat 321, and the gear 322 is coaxial with the output shaft 331 of the main motor. The gear rack transmission adopts a horizontal transmission mode, so that the vibration is reduced to a great extent, the transmission force is larger, the gear rack meshing motion is more stable, the transmission efficiency is high, and the motion and the braking of the movable box 21 are easier.

The upper portion of gear seat 321 is the circular double-deck formula ring flange structure of central band-pass hole, and the gear seat 321 of being convenient for is connected fixedly with main motor 33 and removal box bottom plate 210 respectively, and the upper flange dish is used for the installation main motor 33, the output shaft 331 of main motor passes through-hole 3211 and is connected with gear 322, and the lower floor's ring flange is used for installing gear seat 321 on removing box bottom plate 210, the diameter of upper flange dish is less than the diameter of lower floor's ring flange, easy to assemble and dismantlement main motor 33 and gear seat 321. The lower part of the gear seat 321 is of a plate-type square-shaped structure, the lower part of the gear seat 321 is vertically arranged and rigidly connected with the upper part of the gear seat 321, rigidity is improved, the upper part of the gear seat 321 covers the lower part of the gear seat 321, and therefore particle sundries at a platform plate are prevented from falling into the gear 322 and affecting the working performance of the gear 322. The lower portion of the gear seat 321 penetrates through the second guide gap 115 and extends downwards to the lower portion of the platform plate assembly 11, the gear 322 is arranged on the lower portion of the inner side of the plate-type return structure, the gear 322 can be well connected with the main motor 33 and the rack 312, meanwhile, the gear 322 can be limited and restrained vertically, safety, stability and reliability are achieved, the small width of the platform plate guide gap can be adapted to move, the auxiliary guide effect can be achieved, meanwhile, the transverse bearing capacity of the output shaft 331 of the main motor is reduced, the gear and the rack can be kept in a good meshing state all the time, the whole gear seat 321 enables the structure of the whole main driving module 3 to be more compact, the service life is longer, the operation stability is better, and meanwhile, the safety requirement of passengers for the platform plate when the passengers cross the station is met.

A mounting seat hole 3212 is formed in the center of the bottom of the plate-type square-shaped structure, a second bearing 324 is mounted in the mounting seat hole 3212, a second bushing 325 is arranged between the second bearing 324 and the gear 322, one end of the second bushing 325 abuts against the inner ring of the second bearing 324, the other end of the second bushing abuts against the gear 322, and the output shaft 331 of the main motor penetrates through the through hole 3211, is connected with the gear 322 through a first flat key 323, penetrates through the gear 322 and the second bushing 325 in sequence, and is connected with the second bearing 324. The second bushing 325 is arranged between the gear 322 and the second bearing 324 and sleeved on the output shaft 331 of the main motor to play roles of blocking and limiting; the end of the output shaft 331 of the main motor is connected with the inner ring of the second bearing 324. The gear 322 is engaged with the rack 312, and the main motor 33 drives the output shaft 331 of the main motor to rotate, so as to drive the gear 322 to move on the rack 312, in this embodiment, the main motor 33 is a dc brushless speed reducing motor.

The main driving module 3 of each moving box 21 is fixed on the moving box bottom plate 210 and extends out of a set of gear assemblies 32, and each set of gear assemblies 32 together with the main motor 33 move on the racks 312 which are in full length butt joint with the moving box 21. And through the cooperation between each main drive module 3 to only after every removal box 21 motion of mutually supporting, just can solve the platform door demand that multi-vehicle type stopped the track platform, satisfy the multiposition even arbitrary position demand of opening the door and the platform door function demand that the wide-open degree was opened the door.

Referring to fig. 3, 7 to 10, the auxiliary driving module includes a driving device 4 for driving the corresponding side movable door 22 to move and stretch into the movable box 21, and a linear guide assembly 8 for enabling the corresponding side movable door 22 to move along and stretch into the movable box 21; the driving device 4 is located between the top of the corresponding side movable door 22 and the movable box 21, and the linear guide assembly 8 is located between the bottom of the corresponding side movable door 22 and the movable box 21. The movable door 22 can run stably, safely and reliably through the driving device 4 and the linear guide rail assembly 8.

The driving device 4 comprises a transmission box 41, a synchronous toothed belt 42 and an auxiliary motor 43, the transmission box 41 is installed at the top of the inner side of the moving box 21 and is close to the movable door 22 at the corresponding side, the synchronous toothed belt 42 enters and winds through a transmission wheel set in the transmission box 41 along one end of the transmission box 41 and then penetrates out along the other end of the transmission box 41, so that the synchronous toothed belt 42 is in a parallel direction at the left side and the right side of the transmission box 41, and two ends of the synchronous toothed belt 42 are installed on the movable door 22 through belt clamps 421; the auxiliary motor 43 is connected with the transmission case 41 and is used for driving the transmission wheel set in the transmission case 41 to drive the synchronous toothed belt 42 to stretch left and right so as to drive the movable door 22 to move left and right, and thus the door opening and closing action is completed. The transmission part of the movable door 22 is completely integrated in the transmission box 41, so that the transmission box 41 has a compact structure, a flexible installation position and simple and convenient installation, is particularly suitable for a platform door with a very tight space in the movable box 21, and saves effective space.

The transmission case 41 comprises a case body 411, a case cover 412 and transmission wheel sets, a space for installing the transmission wheel sets and the synchronous toothed belt 42 to pass around is arranged in the case body 411, two ends of the case body 411 are respectively provided with an opening 4111, and the case cover 412 is fixedly covered on the case body 411 through a fastening screw 420; the transmission wheel set comprises a driving gear 413, a driven gear 414 and a guide wheel 415, and both the driven gear 414 and the guide wheel 415 are rotatably arranged in the box 411; the driving gear 413 is located in the middle of the box 411 and is directly connected with the sub-motor 43, a plurality of groups of driven gears 414 and guide wheels 415 are symmetrically installed on two sides of the driving gear 413, and the guide wheels 415 are arranged on two sides of the driving gear 413 and two sides of each driven gear 414. The transmission is ensured to be stable and reliable through the transmission of the transmission wheel set; the auxiliary motor 43 is directly connected with the driving gear 413, the rotary motion of an output shaft of the auxiliary motor 43 is directly converted into the linear motion of the synchronous toothed belt 42, all door machine beams and installation female seat structures are omitted, the occupied space of the auxiliary driving module in the movable box 21 is greatly reduced, the whole set of replacement is allowed, the maintenance efficiency of an engineering field is greatly improved, and the replacement and maintenance time is shortened. The sub-motor 43 in this embodiment is a reduction motor.

The driving gear 413 is installed in the box 411 through a bearing III 416 and a retaining ring 417, an inner ring of the bearing III 416 is sleeved on an axle of the driving gear 413, and an outer ring of the bearing III 416 is abutted against the retaining ring 417. In this embodiment, a set of driven gears 414 is symmetrically installed on both sides of the driving gear 413, each driven gear 414 is installed on a corresponding wheel axle through a flat key two 418, both ends of each wheel axle are respectively connected with an inner ring of a bearing three 416, an outer ring of a lower bearing three 416 is fixed on the box 411, and an outer ring of an upper bearing three 416 is abutted to the retainer ring 417; the guide wheels 415 are symmetrically arranged between the driving gear 413 and the driven gear 414 and at an opening 4111 at the end of the box 411, each guide wheel 415 is arranged on a corresponding axle two 419 through a flat key two 418, two ends of each axle two 419 are respectively connected with an inner ring of a bearing three 416, an outer ring of a lower bearing three 416 is fixed on the box 411, and an outer ring of an upper bearing three 416 is abutted against a retaining ring 417.

The length of the timing belt 42 is determined by the actual width of the shutter 22. The timing belt 42 enters along an opening 4111 at one end of the box 411, sequentially passes through the driving wheels in a certain direction and sequence, and then passes out along an opening 4111 at the other end of the box 411, so that the timing belt 42 is parallel to the left and right sides of the box 411.

The driving device 4 further comprises a height adjusting device 44, and the height adjusting device 44 is connected with the transmission case 41 and is used for realizing height adjustment of the driving device 4. The height adjusting device 44 is composed of a fine-thread adjusting stud 441 and a locking nut 442, a through hole 4121 through which the fine-thread adjusting stud 441 passes is formed in the case cover 412 of the transmission case 41, an internal thread through hole 4112 in threaded connection and matching with the fine-thread adjusting stud 441 is formed in the case body 411 of the transmission case 41, and the fine-thread adjusting stud 441 passes through the through hole 4121 to be in threaded connection with the case body 411 and then passes through the case body 411 to be in threaded connection with the locking nut 442. The bottom of the fine thread adjusting stud 441 is provided with a hexagonal head 4411. The fine thread adjusting stud 441 is in threaded connection and matching with an internal thread through hole 4112 on the box body 411 through a through hole 4121 of the box cover 412, the fine thread adjusting stud 441 is rotated clockwise or anticlockwise through the hexagonal head 4411, the purpose of height adjustment is achieved, when the height adjustment is proper, locking is performed by using the locking nut 442, and the installation and adjustment are convenient. The height adjusting device 44 is provided to enable free adjustment of the height of the drive device 4. In this embodiment, two height adjustment devices 44 are provided, symmetrically mounted.

The top of the fine thread adjusting stud 441 is provided with an internal thread counter bore 4412, and the driving device 4 is mounted on the movable box 21 through the internal thread counter bore 4412. So that the whole driving device 4 can be installed on the movable box 21 through the internal thread counter bore 4412, and the installation and the fixation are convenient.

The linear guide rail assembly 5 comprises a slide rail 51 and a slide block 52, the slide rail 51 is mounted at the bottom of the movable door 22, the slide block 52 is mounted at the bottom of the movable box 21, and the slide rail 51 and the slide block 52 are matched with each other. The linear guide rail assembly 5 plays a role in guiding and supporting the movement of the movable door 22, and further ensures the running stability of the movable door 22.

The two ends of the part of the synchronous toothed belt 42, which is exposed out of the box body 411, are installed on the movable door 22 through belt clamps, the transmission box 41 is installed at the top of the movable box 21, and under the driving of the auxiliary motor 43, the synchronous toothed belt 42 is driven by the transmission box 41 to stretch left and right to drive the movable door 22 to slide left and right under the support and guide of the linear guide rail assembly 5, so that the door opening and closing action is completed.

Referring to fig. 11 to 17, a guide wheel assembly 12, a support wheel assembly 13 and a guide shoe assembly 14 are mounted at the bottom of each of the movable boxes 21. Holes 211 for the guide wheel assemblies 12, the support wheel assemblies 13 and the guide shoe assemblies 14 to pass through are respectively reserved at the bottoms of the movable boxes 21, so that the guide wheel assemblies 12, the support wheel assemblies 13 and the guide shoe assemblies 14 can be conveniently installed, the movable boxes 21 can move along the movable guide station bedplate 1 in a slidable and front-back limiting mode, and door opening at any position are realized. The guide wheel assembly 12, the support wheel assembly 13 and the guide shoe assembly 14 are respectively engaged with the platform board assembly 11, so that the mobile box 21 moves and operates smoothly.

The guide wheel assembly 12 and the main driving module 3 pass through different guide gaps, the guide wheel assembly 12 passes through the first guide gap 114 of the platform plate assembly 11, and the two guide wheels of the guide wheel assembly 12 vertically clamp the platform plate assembly 11 with a rolling gap left, so that the mobile box 21 moves on the platform plate assembly 11 under the guidance of the guide wheel assembly 12. The guide gaps through which the support wheel assembly 13 and the guide wheel assembly 12 pass are different, the support wheel assembly 13 passes through the second guide gap 115 of the platform plate assembly 11, and the two support wheels of the support wheel assembly 13 vertically clamp the platform plate assembly 11 with a rolling gap left, so that the mobile box 21 moves on the platform plate assembly under the support of the support wheel assembly 13. The guide shoe assembly 14 extends into the first guide gap 114 and the second guide gap 115 of the platform plate assembly 11 for sliding the mobile box 21 along the platform plate assembly 11. Double guide rail guide structure adds guide shoe guide structure and is connected the cooperation with removal box 21, and guide wheel subassembly 12 and supporting wheel subassembly 13 pass and correspond guide clearance upper and lower clamping station platen, with the rolling cooperation of platform board, has further guaranteed the stationarity of removal box 21 operation, also can be better simultaneously satisfy the platform door and resist radial wind pressure requirement, improved anti-torque moment and anti-overturning moment effect, make the operation of platform door more reliable and more stable.

Specifically, the guide wheel assembly 12 includes a guide wheel support 121, a first guide wheel 122, a second guide wheel 123, a first bearing 16, a circlip 17, a first wheel shaft 18 and a first bushing 19, the guide wheel support 121 is mounted on the movable box base plate 210, the first guide wheel 122 is rotatably mounted on the upper portion of the guide wheel support 121 around its axis through the first bearing 16, the first bushing 19, the circlip 17 and the first wheel shaft 18, the second guide wheel 123 is rotatably mounted on the lower portion of the guide wheel support 121 around its axis through the first bearing 16, the first bushing 19, the circlip 17 and the first wheel shaft 18, and the first guide wheel 122 and the second guide wheel 123 are located on the same side of the guide wheel support 121. Specifically, one end of the first wheel shaft 18 is fixedly connected with the guide wheel support 121, the other end of the first wheel shaft 18 is connected with the elastic retainer ring 17, the first bushing 19 is sleeved on the first wheel shaft 18, one end of the first bushing is abutted against the guide wheel support 121, the inner ring of the first bearing 16 is sleeved on the first wheel shaft 18 and abutted between the other end of the first bushing 19 and the elastic retainer ring 17, and the first guide wheel 122 is fixedly sleeved on the outer ring of the first bearing 16. The second guide wheel 123 is installed in the same manner as the first guide wheel 122.

The guide rail seat 111 is provided with an arc-shaped groove 1110 at a position corresponding to the guide wheel assembly 12, the optical axis guide rail 116 is embedded in the groove 1110 through clearance fit, the first guide wheel 122 is a concave guide wheel matched with the optical axis guide rail 116, and a concave surface of the first guide wheel 122 is in nested fit with an arc surface of the optical axis guide rail 116 to play a supporting and guiding role, so that the moving of the moving box 21 is more convenient, and the position of the moving box 21 is convenient to adjust. When the optical axis guide rail 116 is embedded in the groove 1110, one end of the optical axis guide rail 116 extends out of the end surface of the platform board to form a butt joint male head 1611, the other end of the optical axis guide rail is recessed into the groove to form a butt joint female head 1612, and the butt joint female head 1612 and the butt joint male head 1611 are spliced at the butt joint position of the platform board to enable the optical axis guide rail to be located on the same straight line; the guide rail composed of the optical axis guide rail 116 and the aluminum profile guide rail seat 111 is butted, extended and mutually positioned through male and female heads, is arranged in the full-length range of the edge of the platform, meets the requirement of full-length movement of the platform door, greatly reduces the construction difficulty, and is stable and reliable, and low in construction precision requirement.

The upper part of the guide wheel bracket 121 is mounted on the moving box bottom plate 210 through a fixing bolt 20, the lower part of the guide wheel bracket 121 penetrates through the first guide gap 114, the first guide wheel 122 is matched with the optical axis guide rail 116, the wheel surface of the second guide wheel 123 is abutted against the lower end surface of the guide rail seat 111, the first guide wheel 122 and the second guide wheel 123 vertically clamp the guide rail seat 111 and leave a rolling gap, so that the guide wheel assembly 12 moves on the guide rail seat 111 along the optical axis guide rail 116, and the guide wheel assembly 12 and the guide rail seat 111 jointly form a first guide wheel guide rail pair. The guide wheel assembly 12 passes through the guide gap to clamp the guide rail seat 111 up and down, so that the movable box 21 moves back and forth along the optical axis guide rail 116 under the guidance of the guide wheel assembly 12, the driving force for the operation of the movable box 21 is reduced, and the movable box can play a role in supporting and guiding and bears partial radial force.

The supporting wheel assembly 13 comprises a supporting wheel bracket 131, a first supporting wheel 132, a second supporting wheel 133, a first bearing 16, a circlip 17, a first wheel shaft 18 and a first bushing 19, the supporting wheel bracket 131 is mounted on the moving box bottom plate 210, the first supporting wheel 132 is rotatably mounted on the upper portion of the supporting wheel bracket 131 around the axis of the first bearing 16, the first bushing 19, the circlip 17 and the first wheel shaft 18, the second supporting wheel 133 is rotatably mounted on the lower portion of the supporting wheel bracket 131 around the axis of the second supporting wheel 133 through the first bearing 16, the first bushing 19, the circlip 17 and the first wheel shaft 18, and the first supporting wheel 132 and the second supporting wheel 133 are located on the same side of the supporting wheel bracket 131. The specific installation manner of the first support wheel 132 and the second support wheel 133 is also the same as that of the first guide wheel 122.

The supporting wheel bracket 131 is installed on the moving box bottom plate 210 through a fixing bolt 20 and penetrates through the second guide gap 115, the wheel surface of the first supporting wheel 132 is abutted against the upper end surface of the second threshold step plate 113, and the wheel surface of the second supporting wheel 133 is abutted against the lower end surface of the second threshold step plate 113; the first support wheel 132 and the second support wheel 133 vertically clamp the second threshold step plate 113 and leave a rolling gap, so that the support wheel assembly 13 moves on the second threshold step plate 113, and the support wheel assembly 13 and the second threshold step plate 113 jointly form a second guide wheel guide rail pair. The supporting wheel assembly 13 penetrates through the guide gap to vertically clamp the second threshold step plate 113, so that the moving box 21 moves on the second threshold step plate 113 along the guide gap under the guidance of the supporting wheel assembly 13, the driving force for the operation of the moving box 21 is reduced, meanwhile, the supporting and guiding effects can be realized, and part of radial force is borne.

The guide shoe assembly 14 includes a guide shoe bracket 141 and a guide shoe sleeve 142, the guide shoe bracket 141 is mounted on the movable box bottom plate 210, and the guide shoe sleeve 142 is nested on the guide shoe bracket 141 and placed in the guide gap. Specifically, the guide shoe support 141 is provided with a long protrusion 1411 on both sides in the length direction, and correspondingly, the guide shoe sleeve 142 is provided with notches 1421 on both sides inside thereof, which are engaged with the protrusion 1411. The guide shoe support 141 is mounted on the movable box bottom plate 210 through a fixing bolt 20, and the guide shoe assembly 14 extends into the first guide gap 114 and the second guide gap 115 to form a guide shoe guide mechanism; the guide shoe assembly 14 extends into the guide gap and can act as a secondary guide and take part in the radial force as the movable box 21 moves to slide in the corresponding guide gap.

In addition, in this embodiment, the first guide gap 114 and the second guide gap 115 are designed to have a width not greater than 15 mm based on engineering and technical requirements of a platform door of a relevant track, so as to meet the requirements of passengers waiting for getting on or off the train safely.

In this embodiment, the leading wheel of leading wheel subassembly 12 and the supporting wheel of supporting wheel subassembly 13 all adopt the wear-resisting non-metallic material of stereoplasm, and greatly reduced guide rail's loss and maintenance improve the reliability and the stability of platform door product.

Under the driving of the main driving module 3, the movable box 21 drives the guide wheel assembly 12, the support wheel assembly 13 and the guide shoe assembly 14 to slide on the double-row guide rail pair and in the guide gap through the cooperation of a first guide wheel guide rail pair formed by the guide wheel assembly 12 and the guide rail seat 111, a second guide wheel guide rail pair formed by the support wheel assembly 13 and the threshold step plate two 113, and a guide shoe guide mechanism formed by the guide shoe assembly 14, the guide gap one 114 and the guide gap two 115, so that the movable door module 2 performs full-length directional movement on the movable guide station bedplate 1. The bearing capacity of radial wind pressure, the anti-overturning moment and the anti-torsion moment are greatly improved, and the operation stability of the platform door is improved.

During operation, the main driving module 3 of the movable door module 2 controls the main driving module to adjust the rotating speed of the main motor 33 and drive the main motor to work according to the control instruction of the upper computer, so that the gear 322 moves along the rack 312 to drive the movable box 21 to move along the movable guide station bedplate 1, and the movable door module 2 can move along the platform edge, so that the position of the movable door module 2 is correspondingly matched with the position of a vehicle door of a specific train type. When the door is opened, the control system controls the driving device 4 of the auxiliary driving module to work, so that the movable door 22 is matched with the linear guide rail assembly 5 to do contraction motion relative to the movable box 21, the door opening operation is realized, and when the door is opened, the main shaft of the auxiliary motor 43 is locked, and the movable door 22 is prevented from moving again; when the door is closed, the control system controls the driving device of the auxiliary driving module to work, so that the movable door is matched with the linear guide rail assembly to do stretching motion relative to the movable box, the door closing operation is realized, and when the door is closed, the main shaft of the auxiliary motor is locked, and the movable door is prevented from moving again. Specific opening and closing states of the platform door system are shown in figures 18 to 20.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims (10)

1. The platform door system is characterized by comprising a plurality of movable door modules and a movable guide station bedplate, wherein the movable door modules and the movable guide station bedplate are sequentially arranged along the platform edge, each movable door module is installed on the movable guide station bedplate in a sliding and front-back limiting mode, and a plurality of adjacent movable door modules can be combined and move along the movable guide platform plate at the platform edge, so that the door opening and the door opening at any position are realized.

2. A platform door system overall arrangement according to claim 1, wherein each of the movable door modules comprises a movable box, two movable doors respectively provided on the left and right sides of the movable box, and a drive assembly comprising a main drive module and a sub drive module; the bottom of each mobile box is matched with a mobile guide platform plate through a main driving module, so that the mobile boxes slide along the mobile guide platform plate; two sides of each movable box are respectively connected with a movable door through an auxiliary driving module, so that the movable doors can move and stretch in the movable boxes.

3. A platform door system arrangement according to claim 2, wherein the movement guide platform plate comprises a platform plate assembly and a support assembly, the platform plate assembly comprising a plurality of platform plates arranged in series along the edge of the platform in abutting relationship, the platform plate assembly being mounted on the support assembly therebelow, the platform plate assembly being formed with at least two guide gaps along its length.

4. A platform door system layout structure according to claim 3, wherein the main driving module comprises a gear assembly, a rack assembly and a main motor, the gear assembly is arranged at the bottom of the movable box and passes through the guide gap of the platform plate assembly, a gear of the gear assembly is meshed with a rack of the rack assembly under the platform plate assembly, and the gear is in transmission connection with the main motor, so that the gear drives the movable box to move along the rack according to the driving of the main motor.

5. A platform door system overall arrangement according to claim 4, wherein the gear assembly comprises a gear seat on which the gear is rotatably horizontally disposed and a gear on which the primary motor is mounted.

6. A platform door system overall arrangement according to claim 2, wherein the secondary drive module includes drive means for driving the respective side leaves to move telescopically within the travelling box and a linear guide assembly for moving the respective side leaves therealong telescopically within the travelling box; each driving device is connected with the movable door on the corresponding side, and each linear guide rail assembly is installed between the movable door and the movable box on the corresponding side.

7. A platform door system arrangement according to claim 6, wherein each drive means is mounted on the top of the inside of the travelling box adjacent the respective side flap door for linear reciprocation of the respective flap door into and out of the travelling box.

8. A platform door system overall arrangement according to claim 2, wherein a guide wheel assembly and a support wheel assembly are mounted to the bottom of each said travelling box;

the guide wheel assembly penetrates through a guide gap of the platform plate assembly of the movable guide station bedplate, and two guide wheels of the guide wheel assembly vertically clamp the platform plate assembly and leave a rolling gap so that the movable box can move on the platform plate assembly under the guide of the guide wheel assembly; the guide wheel assembly and the main driving module penetrate through different guide gaps;

the supporting wheel assembly penetrates through a guide gap of the platform plate assembly of the movable guide station bedplate, and two supporting wheels of the supporting wheel assembly clamp the platform plate assembly up and down and leave a rolling gap so that the movable box moves on the platform plate assembly under the support of the supporting wheel assembly; the guide gaps through which the support wheel assembly and the guide wheel assembly pass are different.

9. A platform door system arrangement according to claim 8, wherein an optical axis guide track is provided on the platform panel assembly adjacent the guide wheel assembly, and the guide wheel on the upper portion of the guide wheel assembly is a concave guide wheel which engages with the optical axis guide track, such that the guide wheel assembly moves back and forth along the optical axis guide track.

10. A platform door system overall arrangement according to claim 2, wherein the bottom of each mobile box is further provided with a guide shoe assembly which extends into the guide gap of the platform plate assembly of the mobile guide station deck for sliding the mobile box along the platform plate assembly.

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