CN212454079U - Movable telescopic adjusting shielded door system suitable for multi-vehicle train - Google Patents

Abstract

The utility model discloses a movable telescopic adjusting shielding door system suitable for multi-vehicle type trains, which comprises a ground sill track, wherein the shielding door system is slidably installed on the ground sill track and comprises a movable extension shielding door module and a movable shielding door module; the movable extensible shielding door module comprises a movable side box, one side of the movable side box is provided with a telescopic extension plate and an extension plate telescopic driving device, and the other side of the movable side box is provided with a shielding door and a shielding door driving device; the movable shielding door module comprises a movable side box, and shielding doors and shielding door driving devices are arranged on two sides of the movable side box. The utility model adjusts the telescopic motion of the screen door system through the movable side box and the telescopic extension plate to adapt to the type of the coming high-speed rail vehicle, so that the screen door system can be matched with various high-speed rail vehicles; the shielding door and the telescopic extension plate can move telescopically at the side part of the movable side box, so that the shielding door can be adjusted to adapt to various vehicle types, and the shielding door can be conveniently split.

Description

Movable telescopic adjusting shielded door system suitable for multi-vehicle train

Technical Field

The utility model relates to a high-speed railway platform door structure field especially relates to a be suitable for portable flexible regulation shield door system of multi-vehicle type train.

Background

The high-speed rail station is a station for stopping the high-speed rail train, passengers taking the high-speed rail train get on or off the train at the high-speed rail station, the high-speed rail station is also provided with a high-speed rail platform besides a high-speed rail train track, and a shielding door system corresponding to the high-speed rail train is preferably arranged at the high-speed rail platform for the safe entrance and exit of the high-speed rail train. The shield door system can keep apart the platform region and the track region each other, and when high-speed railway train arrived at the station, the slip shield door was slided and is opened in order to realize that the passenger gets on or off the bus, then closed in order to realize setting up a protection area in the high-speed railway platform region again, can prevent to treat that the passenger of taking a bus falls the track region in carelessly, accident takes place even. Vehicles running in a high-speed rail station usually have mixed running of vehicle types such as a CRH3C 16/8 section marshalling, a CRH380BL16 section marshalling, a CRH380A non-alpine 8 section marshalling and a CRH380A alpine 8 section marshalling, and because the distances among all vehicle doors of the vehicles are inconsistent, the traditional screen door system cannot adapt to high-speed rail trains of various vehicle types, and the situation that the screen door (also called a platform door) does not correspond to the doors of the high-speed rail trains can also exist. In summary, due to the problems, the installation of platform doors or shield doors in the existing high-speed rail station is few, and the platform doors installed in the existing high-speed rail station can only adapt to a single high-speed rail train model; for subsequent vehicle type increase, all vehicle types need to be dismantled and modified, the structure change is large after the vehicle types are increased, the construction difficulty is large, and the normal operation of the platform is influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a movable telescopic adjusting screen door system suitable for multi-vehicle type trains, which adjusts the telescopic motion of the screen door system through a movable side box and a telescopic extension plate so as to adapt to the type of coming high-speed rail vehicles, so that the screen door system can be matched with various high-speed rail vehicles; the shielding door and the telescopic extension plate can move telescopically at the side part of the movable side box, so that the shielding door can be adjusted to adapt to various vehicle types, and the shielding door can be conveniently split.

The purpose of the utility model is realized through the following technical scheme:

a movable telescopic adjusting shielding door system suitable for multi-vehicle type trains comprises a ground sill track, wherein a shielding door system is slidably mounted on the ground sill track and comprises a movable extensible shielding door module and a movable shielding door module; the movable extensible shielding door module comprises a movable side box, the movable side box is slidably mounted on a ground sill track, a side box movement driving device is arranged inside the movable side box, a driving roller driven by the side box movement driving device is rotatably arranged at the bottom of the movable side box, an extensible plate telescopic driving device for driving the extensible plate to make telescopic motion is arranged on one side of the movable side box in a sliding and telescopic mode, and a shielding door driving device for driving the shielding door to make telescopic motion are arranged on the other side of the movable side box in a sliding and telescopic mode; the movable shielding door module comprises a movable side box, the movable side box is slidably mounted on a ground sill track, a side box movement driving device is arranged inside the movable side box, a driving roller driven by the side box movement driving device is rotatably arranged at the bottom of the movable side box, and both sides of the movable side box are respectively provided with a shielding door and a shielding door driving device for respectively driving the shielding door to do telescopic motion in a sliding and telescopic manner; the shielding door of two adjacent portable extension shielding door modules constitutes a set of shielding door subassembly that runs from opposite directions, and the shielding door of two adjacent portable shielding door modules constitutes a set of shielding door subassembly that runs from opposite directions, and the shielding door of a portable extension shielding door module and the shielding door of a portable shielding door module constitute a set of shielding door subassembly that runs from opposite directions.

In order to realize better the utility model discloses, shield door drive arrangement includes driving motor C and belt, driving motor C is used for driving the belt motion and drives the shield door at portable side box lateral part concertina movement, the shield door bottom transversely is fixed with the guide rail, portable side box inside be fixed with guide rail sliding fit's guide rail sliding tray seat, the guide rail both ends of shield door are equipped with belt clamp A and belt clamp B respectively, the belt both ends are spacing respectively to be fixed in on belt clamp A and the belt clamp B.

As preferred, the flexible drive arrangement of extension board includes driving motor B and relies on driving motor B driven drive wheel, flexible extension board transversely is equipped with flexible driven rail, extension board flexible drive arrangement's drive wheel and flexible driven rail mutually support and drive flexible extension board at the horizontal concertina movement of portable extension shield door module lateral part.

As preferred, two adjacent portable extension shield door modules share a flexible extension board, the flexible extension board of portable extension shield door module transversely is equipped with two flexible driven rails, and two flexible driven rails are parallel arrangement from top to bottom.

Preferably, the surface of the belt is continuously provided with walking teeth, an output rotating shaft of the driving motor C is provided with a driving belt pulley, and the driving belt pulley is provided with driving teeth matched with the walking teeth of the belt; belt guide wheels are symmetrically arranged on two sides of a driving belt pulley of the driving motor C, and the belt guide wheels are rotatably arranged in the movable side box; and the shielding door is provided with a plurality of belt tensioning mechanisms corresponding to the belts. The movable side box is internally fixed with a motor mounting seat, and the driving motor C is mounted on the motor mounting seat.

Preferably, the bottom of the movable side box is a plane bottom plate, a plurality of bearing wheels are rotatably mounted on the plane bottom plate, and the bearing wheels of the movable side box are slidably and limitedly mounted on the ground sill track; the ground sill track is provided with a ground sill track, the ground sill track is provided with a through hole matched with a driving roller, and the ground sill track is parallel to the ground sill track and the ground sill track.

As preferred, the flexible extension board top of portable extension shield door module has the guided way, the portable side box inside of portable extension shield door module is equipped with the guided way matched with extension board guiding mechanism with flexible extension board.

Preferably, one side of a movable side box of the movable extensible shielding door module is provided with an extensible plate accommodating cavity corresponding to the telescopic extensible plate, and the other side of the movable side box of the movable extensible shielding door module is provided with a shielding door accommodating cavity corresponding to the shielding door; both sides of the movable side box of the movable shielding door module are provided with shielding door accommodating cavities corresponding to the shielding doors.

Preferably, an advertisement screen or/and a train carriage and train guiding indication screen are/is arranged on the side surface of the movable side box; the side box moving driving device is a driving motor A, and the driving motor A is in power connection with the driving roller through a gear transmission assembly.

Preferably, a guide wheel assembly matched with the top of the shielding door is arranged in a movable side box of the movable shielding door module.

Compared with the prior art, the utility model, have following advantage and beneficial effect:

(1) the utility model adjusts the telescopic motion of the screen door system through the movable side box and the telescopic extension plate to adapt to the type of the coming high-speed rail vehicle, so that the screen door system can be matched with various high-speed rail vehicles; the shielding door and the telescopic extension plate can move telescopically at the side part of the movable side box, so that the shielding door can be adjusted to adapt to various vehicle types, and the shielding door can be conveniently split.

(2) According to the high-speed railway motorcycle type that comes, the utility model discloses a control extension plate flexible drive arrangement carries out the concertina movement of whole portable flexible regulation shield door system in order to adapt to the high-speed railway motorcycle type that comes, and its space is arranged and is removed conveniently, can regard as the stop platform shield door system of different motorcycle type high-speed railway trains.

(3) The utility model discloses portable side box provides power and walking motion on the sill track through side box mobile drive device to help whole portable flexible regulation shield door system remove to the position corresponding with the high-speed railway train.

(4) The driving motor C of the shield door driving device of the utility model drives the driving belt pulley to rotate, and the driving belt pulley drives the belt to move left and right, thereby driving the shield door to move leftwards contained in the movable side box or extend rightwards to be unfolded outside the movable side box; because the guide rail and the guide rail sliding groove seat of the bottom of the shielding door are matched, and the guide wheel component matched with the top of the shielding door is arranged in the movable side box, the purpose of stable telescopic motion can be achieved.

Drawings

FIG. 1 is a schematic view of the layout structure of the driving device inside the movable side box of the movable extensible shielded door module of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 3 is a schematic diagram of a retractable extension plate structure in a movable extension shielded gate module;

FIG. 4 is a schematic view of the layout structure of the driving device inside the movable side box in the movable shield door module of the present invention;

FIG. 5 is a schematic view of the assembly structure of the movable side box and the shield door of the movable extensible shield door module or the movable shield door module of the present invention;

FIG. 6 is an enlarged partial schematic view of FIG. 5;

fig. 7 is a schematic structural view of an embodiment of a shield door system assembly according to the present invention;

fig. 8 is a schematic view of the internal structure of fig. 7.

Wherein, the names corresponding to the reference numbers in the drawings are:

1-sill track, 2-movable side box, 21-plane bottom plate, 22-extension plate guide mechanism, 3-extension plate, 31-extension driven track, 32-guide track, 4-shield door, 5-extension plate extension driving device, 51-driving motor B, 52-driving wheel, 6-shield door driving device, 61-guide rail, 611-belt clamp A, 612-belt clamp B, 62-guide rail sliding groove seat, 63-driving motor C, 631-driving belt pulley, 64-belt, 65-belt guide wheel, 66-motor mounting seat, 67-belt tensioning mechanism, 68-guide wheel assembly, 7-side box movement driving device and 71-driving wheel.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will now be described in detail with reference to the following examples and embodiments with reference to the accompanying drawings:

as shown in fig. 1-8, a be suitable for portable flexible regulation shield door system of multi-vehicle type train, includes sill track 1, and slidable mounting has the shield door system on sill track 1, and the shield door system includes portable extension shield door module and portable shield door module. Portable extension shield door module includes portable side box 2, portable side box 2 slidable mounting is on sill track 1, portable side box 2 inside is equipped with side box mobile drive 7, portable side box 2 bottom is rotated and is equipped with the drive gyro wheel 71 that relies on side box mobile drive 7 driven, portable side box 2 one side slip flexible extension board 3 and the flexible drive arrangement 5 of extension board that drives the flexible extension board 3 concertina movement of flexible extension board, portable side box 2 opposite side slip flexible shield door drive arrangement 6 that is equipped with shield door 4 and the flexible movement of drive shield door 4. The movable shielding door module comprises a movable side box 2, the movable side box 2 is slidably mounted on the sill track 1, a side box moving driving device 7 is arranged inside the movable side box 2, a driving roller 71 driven by the side box moving driving device 7 is arranged at the bottom of the movable side box 2 in a rotating mode, and the two sides of the movable side box 2 are provided with a shielding door 4 and a shielding door driving device 6 respectively driving the shielding door 4 to do telescopic motion in a sliding and telescopic mode. The movable side box 2 and the structure driving the movable side box 2 to move in the utility model are the same, but the internal arrangement is possibly different; the utility model provides a shield door drive arrangement 6 structure is the same, the utility model provides a flexible drive arrangement 5 structures of extension board are the same. But the portable side box 2 one side of portable extension shield door module is opened and is had and flexible extension board 3 corresponding extension board and hold the chamber, but the portable side box 2 opposite side of portable extension shield door module is opened and is had and shield door 4 corresponding shield door and hold the chamber. Both sides of the movable side box 2 of the movable shielding door module are provided with shielding door accommodating cavities corresponding to the shielding doors 4.

The utility model discloses a flexible extension board 3 of two adjacent portable extension shield door modules sharing, flexible extension board 3 of portable extension shield door module transversely is equipped with two flexible driven rails 31, parallel arrangement about two flexible driven rails 31 are, flexible extension board 3 of sharing like this can be accomodate in one of them portable extension shield door module, two flexible driven rails 31 set up from top to bottom and then interference can not appear, and the efficiency of accomodating of shield door 4 has been increased, also can not be with the shield door 4 inconsistent striking of the left and right sides, can with shield door 4 staggered position, can conveniently maintain to change and reform transform and install additional. The shielding door 4 of two adjacent portable extension shielding door modules constitutes a set of shielding door subassembly that runs from opposite directions, and the shielding door 4 of two adjacent portable shielding door modules constitutes a set of shielding door subassembly that runs from opposite directions, and the shielding door 4 of a portable extension shielding door module and the shielding door 4 of a portable shielding door module constitute a set of shielding door subassembly that runs from opposite directions. The utility model discloses a shield door system can form by the combination of two kinds of modules of portable extension shield door module and portable shield door module, and the mode of its combination is various, explains with a combination embodiment below:

because high-speed railway train respectively corresponds two carriages in adjacent two carriage positions and respectively is equipped with a door, the shield door system comprises shield door component, figure 7 is a shield door component of shield door system, and its shield door component includes two sets of folio shield door subassembly that correspond adjacent carriage, and shield door component includes four portable side boxes 2 like this, and wherein the shield door 4 of two adjacent portable side boxes 2 in three portable side boxes 2 constitutes folio shield door subassembly. As shown in fig. 7 and 8, the shielding door assembly unit includes a movable shielding door module and two movable extensible shielding door modules, the two movable extensible shielding door modules are respectively located at two sides of the movable shielding door module, the shielding door 4 of the first movable extensible shielding door module and the first shielding door 4 of the movable shielding door module form a set of split shielding door assemblies corresponding to the first vehicle door, the second shielding door 4 of the movable shielding door module of the shielding door 4 of the second movable extensible shielding door module forms a set of split shielding door assemblies corresponding to the second vehicle door, the movable extensible shielding door module can be extended to the next two adjacent carriage positions through the telescopic extension plates 3 and can also be extended to the next two adjacent carriage positions through the multi-group telescopic extension plates 3 and the movable side boxes 2 in a storage combination mode. Therefore, a shielding door system suitable for multi-vehicle type high-speed rail trains can be combined, and the size difference of front and rear doors of the same carriage can be adjusted by adjusting the number of the telescopic extension plates stored or extended to the movable side boxes 2; meanwhile, the shielding door system can be integrally moved on the sill rail 1 through the side box moving driving devices 7 of the movable side boxes 2 so as to adapt to the deviation of the stop position of the high-speed train. The utility model has the advantages that the structure of the screen door system is replaceable and applicable, the requirements of the sliding door (also called screen door) in the high-speed rail platform can be completely met, and after the number of the vehicles is increased, only the corresponding parts at the opening position of the sliding door need to be replaced and installed, and the components are arranged; the corresponding telescopic device of platform needs to be replaced by the sliding door, corresponding electricity is added, such as DCU, motor and the like, and the sliding door after the corresponding position is replaced can be correspondingly opened.

When the telescopic adjusting screen door system is used, the telescopic movement of the whole movable telescopic adjusting screen door system is carried out through the extension plate telescopic driving device 5 according to the type of a coming high-speed rail vehicle so as to adapt to the type of the coming high-speed rail vehicle; after the high-speed rail train stops, the side box movement driving device 7 controls the whole movable telescopic adjusting shielding door system to move on the sill track 1, so that each split shielding door assembly of the movable telescopic adjusting shielding door system corresponds to the train door of the high-speed rail train one by one; when passengers get on or off the bus, the shielding doors 4 of the split shielding door assemblies are synchronously controlled to be opened relatively through the shielding door driving device 6, so that the passengers can get on or off the bus conveniently; after the passengers get on or off the train, the shielding doors 4 of the split shielding door assemblies are synchronously controlled to be relatively closed through the shielding door driving device 6, and then reset or not reset so as to be ready for the next stop of the train type of the high-speed train.

As shown in fig. 2 and 4 to 6, the shield door driving device 6 includes a driving motor C63 and a belt 64, the driving motor C63 is used for driving the belt 64 to move and driving the shield door 4 to extend and retract at the side of the movable side box 2, a guide rail 61 is transversely fixed at the bottom of the shield door 4, a guide rail chute seat 62 in sliding fit with the guide rail 61 is fixed inside the movable side box 2, a belt clamp a611 and a belt clamp B612 are respectively arranged at two ends of the guide rail 61 of the shield door 4, and two ends of the belt 64 are respectively fixed on the belt clamp a611 and the belt clamp B612 in a limiting manner. The surface of the belt 64 is continuously provided with walking teeth, the output rotating shaft of the driving motor C63 is provided with a driving belt pulley 631, and the driving belt pulley 631 is provided with driving teeth matched with the walking teeth of the belt 64. The belt guide wheels 65 are symmetrically arranged on both sides of the driving pulley 631 of the driving motor C63, and the belt guide wheels 65 are rotatably arranged inside the movable side box 2. The screen door 4 is provided with a plurality of belt tensioning mechanisms 67 corresponding to the belts 64. A motor mounting seat 66 is fixed inside the movable side box 2, and a driving motor C63 is mounted on the motor mounting seat 66. The principle of the shield door driving device 6 for driving the shield door 4 to move telescopically is as follows: the driving motor C63 drives the driving pulley 631 to rotate, as shown in fig. 5 and 6, the driving pulley 631 drives the belt 64 to move left and right, so as to drive the shielding door 4 to move leftwards and store in the movable side box 2 or extend rightwards and expand outside the movable side box 2, and the purpose of stable telescopic movement can be achieved due to the matching of the guide rail 61 and the guide rail sliding groove seat 62 at the bottom of the shielding door 4.

As shown in fig. 1 to fig. 3, the extension plate extension and retraction driving device 5 includes a driving motor B51 and a driving wheel 52 driven by a driving motor B51, the extension plate 3 is transversely provided with an extension and retraction driven rail 31, and the driving wheel 52 of the extension plate extension and retraction driving device 5 cooperates with the extension and retraction driven rail 31 to drive the extension and retraction plate 3 to transversely extend and retract at the side of the movable extension and retraction gate module.

As shown in fig. 1 and 2, the bottom of the movable side box 2 is a plane bottom plate 21, a plurality of bearing wheels are rotatably mounted on the plane bottom plate 21, and the bearing wheels of the movable side box 2 are slidably and limitedly mounted on the sill rail 1. The plane bottom plate 21 is provided with a through hole matched with the driving roller 71, the ground sill track 1 is provided with a roller surface matched with the driving roller 71, and the plane bottom plate 21 of the movable side box 2 is not contacted with the roller surface of the ground sill track 1 and is parallel to the roller surface.

As shown in fig. 3, the top of the retractable extension plate 3 of the movable extensible platform door module has a guide rail 32, as shown in fig. 2, an extension plate guide mechanism 22 matched with the guide rail 32 of the retractable extension plate 3 is arranged inside the movable side box 2 of the movable extensible platform door module, and preferably, the extension plate guide mechanism 22 may be a guide wheel assembly arranged on both sides of the guide rail 32. The inside guide wheel subassembly 68 that is equipped with and shields 4 top matched with of portable side box 2 of door module, preferred, the top of shielding door 4 is the guided way structure, and guide wheel subassembly 68 is for setting up in the guide wheel subassembly in shielding 4 top both sides.

The utility model discloses 2 sides of preferred each portable side box are equipped with advertising screen or/and train carriage and train direction indicator screen. The side box moving driving device 7 is a driving motor A, and the driving motor A is in power connection with the driving roller 71 through a gear transmission assembly.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate. Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly.

Claims (10)

1. The utility model provides a be suitable for portable flexible shielded door system of adjusting of multi-vehicle type train which characterized in that: the ground sill track (1) is provided with a shielding door system in a sliding mode, and the shielding door system comprises a movable extension shielding door module and a movable shielding door module; the movable extensible shielding door module comprises a movable side box (2), one side of the movable side box (2) is provided with a telescopic extending plate (3) and an extending plate telescopic driving device (5) for driving the telescopic extending plate (3) to do telescopic motion in a sliding and telescopic mode, and the other side of the movable side box (2) is provided with a shielding door (4) and a shielding door driving device (6) for driving the shielding door (4) to do telescopic motion in a sliding and telescopic mode; the movable shielding door module comprises a movable side box (2), wherein both sides of the movable side box (2) are respectively provided with a shielding door (4) and a shielding door driving device (6) for respectively driving the shielding door (4) to do telescopic motion in a sliding and telescopic manner; but the equal slidable mounting of portable side box (2) of portable extension shield door module and portable side box (2) of portable shield door module is on sill track (1), and portable side box (2) inside is equipped with side box and removes drive arrangement (7) simultaneously, and portable side box (2) bottom is rotated and is equipped with and relies on side box to remove drive arrangement (7) driven driving roller (71).

2. The movable telescopic adjusting screen door system applicable to multi-vehicle trains according to claim 1, characterized in that: shield door drive arrangement (6) are including driving motor C (63) and belt (64), driving motor C (63) are used for driving belt (64) motion and drive shield door (4) at portable side box (2) lateral part concertina movement, shield door (4) bottom transversely is fixed with guide rail (61), portable side box (2) inside be fixed with guide rail (61) sliding fit's guide rail chute seat (62), guide rail (61) both ends of shield door (4) are equipped with belt clamp A (611) and belt clamp B (612) respectively, belt (64) both ends are spacing fixed in respectively on belt clamp A (611) and the belt clamp B (612).

3. The movable telescopic adjusting screen door system suitable for multi-vehicle trains as claimed in claim 2, wherein: the surface of the belt (64) is continuously provided with walking teeth, an output rotating shaft of the driving motor C (63) is provided with a driving belt pulley (631), and the driving belt pulley (631) is provided with driving teeth matched with the walking teeth of the belt (64); belt guide wheels (65) are symmetrically arranged on two sides of a driving belt pulley (631) of the driving motor C (63), and the belt guide wheels (65) are rotatably arranged in the movable side box (2); and a plurality of belt tensioning mechanisms (67) corresponding to the belts (64) are arranged on the shielding door (4).

4. The movable telescopic adjusting screen door system applicable to multi-vehicle trains according to claim 1, characterized in that: extension board drive arrangement (5) that stretches out and draws back include driving motor B (51) and rely on driving motor B (51) driven drive wheel (52), flexible extension board (3) transversely are equipped with flexible driven rail (31), drive wheel (52) and flexible driven rail (31) of extension board drive arrangement (5) mutually support and drive flexible extension board (3) at the horizontal concertina movement of portable extension shield door module lateral part with flexible driven rail (31).

5. The movable telescopic adjusting screen door system suitable for multi-vehicle trains as claimed in claim 4, wherein: two adjacent portable extension shield door modules share one flexible extension board (3), the flexible extension board (3) of portable extension shield door module transversely are equipped with two flexible driven rails (31), and parallel arrangement about two flexible driven rails (31) are.

6. The movable telescopic adjusting screen door system applicable to multi-vehicle trains according to claim 1, characterized in that: the bottom of the movable side box (2) is a plane bottom plate (21), the plane bottom plate (21) is rotatably provided with a plurality of bearing wheels, and the bearing wheels of the movable side box (2) are slidably limited and arranged on the sill rail (1); the ground sill track is characterized in that the plane bottom plate (21) is provided with a through hole matched with the driving roller (71), a roller surface matched with the driving roller (71) is arranged on the ground sill track (1), and the plane bottom plate (21) of the movable side box (2) is not in contact with the roller surface of the ground sill track (1) and is parallel to the roller surface.

7. The movable telescopic adjusting screen door system suitable for multi-vehicle trains as claimed in claim 1, 4 or 5, wherein: the flexible extension board (3) top of portable extension shield door module has guided way (32), portable side box (2) inside of portable extension shield door module is equipped with guided way (32) matched with extension board guiding mechanism (22) with flexible extension board (3).

8. The movable telescopic adjusting screen door system applicable to multi-vehicle trains according to claim 1, characterized in that: one side of a movable side box (2) of the movable extensible shielding door module is provided with an extension plate accommodating cavity corresponding to the telescopic extension plate (3), and the other side of the movable side box (2) of the movable extensible shielding door module is provided with a shielding door accommodating cavity corresponding to the shielding door (4); the two sides of the movable side box (2) of the movable shielding door module are provided with shielding door accommodating cavities corresponding to the shielding doors (4).

9. The movable telescopic adjusting screen door system suitable for multi-vehicle trains as claimed in claim 1 or 8, wherein: an advertisement screen or/and a train carriage and train guiding indication screen are/is arranged on the side surface of the movable side box (2); the side box moving driving device (7) is a driving motor A, and the driving motor A is in power connection with a driving roller (71) through a gear transmission assembly.

10. The movable telescopic adjusting screen door system applicable to multi-vehicle trains according to claim 1, characterized in that: the movable side box (2) of the movable shielding door module is internally provided with a guide wheel assembly (68) matched with the top of the shielding door (4).

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