CN110552583B - Door drive arrangement, door assembly and rail vehicle of rail vehicle - Google Patents
Door drive arrangement, door assembly and rail vehicle of rail vehicle Download PDFInfo
- Publication number
- CN110552583B CN110552583B CN201810552064.0A CN201810552064A CN110552583B CN 110552583 B CN110552583 B CN 110552583B CN 201810552064 A CN201810552064 A CN 201810552064A CN 110552583 B CN110552583 B CN 110552583B
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- Prior art keywords
- door
- rack
- sliding
- guide rail
- longitudinal
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
- E05F15/635—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by push-pull mechanisms, e.g. flexible or rigid rack-and-pinion arrangements
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
- E05F15/652—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by screw-and-nut mechanisms
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
- E05F15/655—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings specially adapted for vehicle wings
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/51—Application of doors, windows, wings or fittings thereof for vehicles for railway cars or mass transit vehicles
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Application of doors, windows, wings or fittings thereof for vehicles characterised by the type of wing
- E05Y2900/531—Doors
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a door driving device of a railway vehicle, a door assembly and the railway vehicle, wherein the door driving device of the railway vehicle comprises: the first door carrying frame is used for installing a first vehicle door, the first door carrying frame is provided with a first rack, the second door carrying frame is used for installing a second vehicle door, the second door carrying frame is provided with a second rack, the first rack and the second rack are both meshed with the gear, the gear is located between the tooth surface of the first rack and the tooth surface of the second rack, and one of the first door carrying frame and the second door carrying frame is connected with the driving unit. According to the door driving device of the railway vehicle, the synchronous reverse movement of the two doors of the railway vehicle can be realized by driving a single door through the arranged gear, the first rack and the second rack, and the matching of the gear and the rack ensures that the door driving device of the railway vehicle has the advantages of long service life, high transmitted power and accurate transmission ratio.
Description
Technical Field
The invention belongs to the technical field of railway vehicles, and particularly relates to a door driving device of a railway vehicle, a door assembly and the railway vehicle.
Background
In the correlation technique, the vehicle door driving device adopts a belt driving mode, but the service life of a belt is short, the belt cannot transmit high power, and the situation of slipping easily occurs when the vehicle door driving device is overloaded, so that the vehicle door driving device cannot ensure accurate transmission ratio, and further the motion process of a left door leaf and a right door leaf is easy to be unstable or asynchronous.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. The invention provides a door drive of a rail vehicle with a stable transmission ratio and with a better torsion resistance.
The invention also provides a vehicle door assembly with the vehicle door driving device.
The invention also provides a railway vehicle with the door assembly.
The door driving apparatus of a railway vehicle according to an embodiment of the present invention includes: the method comprises the following steps: a first door carrier for mounting a first vehicle door, the first door carrier having a first rack; a second door carrier for mounting a second door, the second door carrier having a second rack; a gear, wherein the first rack and the second rack are both meshed with the gear, and the gear is positioned between the tooth surface of the first rack and the tooth surface of the second rack; a drive unit, one of the first and second door carriers being connected to the drive unit.
According to the door driving device of the railway vehicle, the synchronous reverse movement of the two doors of the railway vehicle can be realized by driving a single door through the arranged gear, the first rack and the second rack, and the matching of the gear and the rack ensures that the door driving device of the railway vehicle has the advantages of long service life, high transmitted power and accurate transmission ratio.
In some embodiments, the first and second racks are disposed in parallel, and the tooth surfaces of the first and second racks are disposed opposite to each other.
In some embodiments, a door drive apparatus of a rail vehicle includes: the first support is in sliding fit with the first door carrying frame along the longitudinal direction, and the first support is in sliding fit with the second door carrying frame along the longitudinal direction; a second bracket mounted to the vehicle body, the first bracket being slidably mounted to the second bracket in a lateral direction; the first door carrying frame and the second door carrying frame are connected through the guide sliding mechanism.
In some embodiments, the first support and the first portal are slidably engaged by a plurality of laterally spaced longitudinal slide mechanisms, and the first support and the second portal are slidably engaged by a plurality of laterally spaced longitudinal slide mechanisms.
In some embodiments, the longitudinal sliding mechanism includes a first sliding groove, a second sliding groove, a first sliding portion, and a second sliding portion, the first bracket is provided with the first sliding groove and the second sliding groove extending in the longitudinal direction, one side of the first rack facing the first bracket is provided with the first sliding portion, the first sliding portion is slidably connected to the first sliding groove, one side of the second rack facing the first bracket is provided with the second sliding portion, and the second sliding portion is slidably connected to the second sliding groove.
In some embodiments, the first runner and the second runner are vertically spaced apart, and projections on a horizontal plane have an overlapping area.
In some embodiments, the first sliding portion and the second sliding portion each include a plurality of portions arranged at intervals in the longitudinal direction.
In some embodiments, the first bracket includes a first horizontal plate and a guide plate, a normal of the first horizontal plate is along a vertical direction, a normal of the guide plate is along a horizontal direction, the guide plate is fixedly connected with the first horizontal plate, and the first sliding groove and the second sliding groove are disposed on the guide plate.
In some embodiments, the longitudinal sliding mechanism includes a main guide rail, a first connecting seat, a second connecting seat, the first support is provided with the main guide rail extending along a longitudinal direction, the main guide rail is spaced apart from the first sliding groove along a transverse direction, the first door carrying frame has the first connecting seat slidably connected with the main guide rail, and the second door carrying frame has the second connecting seat slidably connected with the main guide rail.
In some embodiments, the first bracket includes a first horizontal plate and a guide plate, a normal of the first horizontal plate is vertical, a normal of the guide plate is horizontal, the guide plate is fixedly connected with the first horizontal plate, and the main guide rail is disposed on the first horizontal plate.
In some embodiments, the guided slide mechanism comprises a first plunger rail disposed on the second support, a second plunger rail, and a first guide portion disposed on the first gantry, a second guide portion disposed on the second gantry, the first plunger rail and the second plunger rail being longitudinally spaced apart; the first stopper guide rail comprises a first longitudinal section and a first stopper section, one end of the first stopper section, which is far away from the second stopper guide rail, is connected with one end of the first longitudinal section, which is close to the second stopper guide rail, the first longitudinal section extends along the longitudinal direction, and the first stopper section extends obliquely towards the transverse inner side from one end connected with the first longitudinal section to the other end; the second stopper draws the guide rail and includes second longitudinal segment and second stopper and draws the section, the second stopper draws the section to deviate from the one end of first stopper and draw the guide rail with second longitudinal segment is close to the one end of first stopper and draw the guide rail links to each other, the longitudinal extension is followed to the second longitudinal segment, the second stopper draw the section from with the one end that the longitudinal segment of second links to each other extends to the horizontal inboard slope of other end.
In some embodiments, the second bracket comprises: second horizontal plate and two end plates, the normal line of second horizontal plate is vertical along, the normal line of end plate is along vertically, two the end plate respectively with the both ends of second horizontal plate link to each other, first stopper draws the guide rail with second stopper draws the guide rail to locate second horizontal plate, every the end plate is equipped with along the end plate guide rail of horizontal extension, first support with the end plate guide rail slides and links to each other.
In some embodiments, the first and second racks are disposed opposite each other in a radial direction of the gear.
In some embodiments, the driving unit includes: driving motor and screw mechanism, driving motor with screw mechanism's lead screw links to each other, screw mechanism's nut with first door carrying frame with in the second door carrying frame one link to each other.
A door assembly in accordance with the present invention comprises a first door coupled to the first door carrier, a second door coupled to the second door carrier, and a door drive arrangement in accordance with the present invention. The door assembly according to the invention has corresponding advantages by providing the door drive according to the invention, which will not be described in detail herein.
The invention further provides a railway vehicle which comprises the vehicle door assembly.
The rail vehicle according to the invention comprises a door assembly according to the invention so that corresponding advantages are achieved, which are not described in detail here. In some embodiments, the door drive apparatus is mounted below a body underframe of the vehicle body, and the first door carrier is coupled to a lower portion of the first door and the second door carrier is coupled to a lower portion of the second door.
In some embodiments, the door drive apparatus is mounted above a side roof of the vehicle body, and the first door carrier is coupled to an upper portion of the first door and the second door carrier is coupled to an upper portion of the second door.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a layout view of a door drive apparatus of a railway vehicle on the vehicle according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a door driving apparatus of a railway vehicle according to an embodiment of the present invention;
FIG. 3 is a bottom view of a door drive of a rail vehicle according to an embodiment of the present invention;
FIG. 4 is a rear view of a door drive of a rail vehicle according to an embodiment of the present invention;
fig. 5 and 6 are sectional views of a door driving apparatus of a railway vehicle according to an embodiment of the present invention;
fig. 7 is an exploded view of a first bracket and a second bracket (showing a gear and rack) according to an embodiment of the present invention.
Reference numerals:
a door driving device 100 of a railway vehicle;
a first portal 1; a first rack 11; a first sliding portion 111; a first connecting seat 12; a first guide portion 13; a first connecting post 14; a first door leaf connecting portion 15;
a second portal 2; a second rack 21; the second sliding portion 211; a second connecting seat 22; a second guide portion 23; a second connecting column 24; a second door leaf connecting portion 25;
a gear 3;
a drive unit 4; a drive motor 41; a lead screw 421;
a first support 5; a first horizontal plate 51; a guide plate 52; the main guide rail 53; a slide seat 54;
a second bracket 6; a second horizontal plate 61; an end plate 62; end plate guide rails 63;
a guide slide mechanism 7; a first chute 71; a second chute 72; a first stopper guide 73; a first longitudinal segment 731; a first puller section 732; a second stopper guide rail 74; a second longitudinal section 741; a second plug section 742;
a vehicle body under frame 200;
a first door 300;
a second door 400.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
Referring to fig. 1 to 7, a door driving apparatus 100 for a railway vehicle according to an embodiment of the present invention will be described below, and as shown in fig. 1 to 7, the door driving apparatus 100 for a railway vehicle according to an embodiment of the present invention includes: a first gantry 1, a second gantry 2, a gear wheel 3 and a drive unit 4.
The first door carrier 1 is used for mounting the first door 300, the second door carrier 2 is used for mounting the second door 400, the first door carrier 1 is provided with a first rack 11, the second door carrier 2 is provided with a second rack 21, the first rack 11 and the second rack 21 are both meshed with the gear 3, and the gear 3 is located between the tooth surface of the first rack 11 and the tooth surface of the second rack 21, namely, the first rack 11 and the second rack 21 are located on two radial sides of the gear 3. The first door 300 and the second door 400 may be a pair of left and right sliding plug doors of a rail vehicle, the first door 300 and the second door 400 may move in a longitudinal direction of the rail vehicle to be opened or closed, and correspondingly, the first rack 11 and the second rack 21 extend in the longitudinal direction of the rail vehicle, and the axis of the gear 3 is in a transverse direction of the rail vehicle.
One of the first and second door carriers 1, 2 is connected to the drive unit 4 and the gear 3 is located between the tooth surface of the first rack 11 and the tooth surface of the second rack 21, so that when the first or second door carrier 1, 2 is moved, the gear 3 can drive the other door carrier to move in the opposite direction, thereby achieving a synchronous and opposite movement of the first and second doors 300, 400 and thus closing or opening the doors.
For example, the driving unit 4 is connected to the first door carrying frame 1, when the driving unit 4 drives the first door carrying frame 1 to move towards the second door carrying frame 2, the first rack 11 moves towards the second rack 21, because the gear 3 is respectively engaged with the first door carrying frame 1 and the second door carrying frame 2, the first rack 11 drives the gear 3 to rotate, the gear 3 transfers the driving force to the second rack 21 due to the engagement, the second rack 21 moves towards the first rack 11, and further the second door carrying frame 2 moves towards the first door carrying frame 1, so that the first door carrying frame 1 drives the first door 300 to move towards the second door carrying frame 2, and the second door carrying frame 2 drives the second door 400 to move towards the first door carrying frame 1, so as to achieve the closing of the door of the railway vehicle, and when the door is opened, the state is opposite to the above-mentioned moving state, which is not described herein again.
According to the door driving device 100 of the railway vehicle, the gear 3, the first rack 11 and the second rack 21 are arranged, synchronous reverse movement of two doors of the railway vehicle can be realized by driving a single door, and the gear 3 is matched with the racks, so that the door driving device 100 of the railway vehicle has the advantages of long service life, high transmitted power and accurate transmission ratio.
Some embodiments of a door driving apparatus 100 for a railway vehicle according to embodiments of the present invention are described below with reference to fig. 1 to 7.
As shown in fig. 1 to 7, the first rack 11 and the second rack 21 are arranged in parallel, and the tooth surfaces of the first rack 11 and the second rack 21 are arranged oppositely, so that it is ensured that the driving forces transmitted by the first rack 11 and the second rack 21 can be parallel, and further ensured that the first door carrier 1 and the second door carrier 2 can synchronously move in opposite directions in parallel, so that the first door 300 and the second door 400 can be smoothly opened and closed.
The longitudinal directions described herein are both the X direction in the drawing, i.e., the length direction (moving direction) of the rail vehicle, the transverse direction is both the Y direction in the drawing, i.e., the width direction of the rail vehicle, and the vertical direction is both the Z direction in the drawing, i.e., the height direction of the rail vehicle.
In some embodiments, as shown in fig. 1-7, the door driving apparatus 100 of the rail vehicle may further include a first frame 5 and a second frame 6, the first frame 5 is slidably engaged with the first door carrier 1 along a longitudinal direction, the first frame 5 is slidably engaged with the second door carrier 2 along the longitudinal direction, the longitudinal direction is a longitudinal direction of the rail vehicle, the first frame 5 is slidably engaged with the first door carrier 1 and the first frame 5 is slidably engaged with the second door carrier 2 along the longitudinal direction, so that the first door carrier 1 slides along the longitudinal direction of the rail vehicle relative to the vehicle body, the second door carrier 2 slides along the longitudinal direction of the rail vehicle relative to the vehicle body, and the first door carrier 1 and the second door carrier 2 may move in opposite directions synchronously, so as to open and close the door of the rail vehicle.
The second bracket 6 is mounted on the vehicle body, the first bracket 5 is slidably mounted on the second bracket 6 in the transverse direction, in some examples, as shown in the figure, a plurality of end plate guide rails 63 (for example, 2) extending in the transverse direction are provided on the second bracket 6, a plurality of sliding seats 54 (for example, 2) matched with the end plate guide rails 63 are provided on the first bracket 5, the plurality of sliding seats 54 are matched with the plurality of end plate guide rails 63 in a one-to-one correspondence manner, the plurality of end plate guide rails 63 are longitudinally spaced apart, the first bracket 5 and the second bracket 6 are matched in a sliding manner by providing the end plate guide rails 63 and the sliding seats 54, and the first bracket 5 and the second bracket 6 can slide more smoothly and reliably relative to the second bracket 6 due to the design of the plurality of end plate guide rails 63.
Because the second support 6 is installed in the automobile body, when first support 5 was along lateral shifting relative second support 6, first support 5 removed along the width direction of vehicle for the automobile body, and then can realize first door carrying frame 1, second door carrying frame 2 along lateral shifting, realized the plug motion of door promptly, combine first door carrying frame 1, second door carrying frame 2 all with first support 5 longitudinal sliding fit for the door can realize the plug and draw and open or close.
Therefore, the first support 5 moves relative to the vehicle body along the width direction of the vehicle, so that the plugging movement of the vehicle door can be realized, namely, the vehicle door moves towards the direction far away from or close to the vehicle body in the transverse direction, when the vehicle door is opened, the first support 5 moves towards the direction far away from the vehicle body relative to the second support 6, so that the vehicle door extends out of the door frame in the transverse direction, and further moves along the length direction of the vehicle body to open the vehicle door, when the vehicle door is closed, the first support 5 moves towards the direction close to the vehicle body relative to the second support 6, so that the vehicle door extends into the door frame in the transverse direction, and further moves along the length direction of the vehicle body to close the vehicle door. In some examples, the second bracket 6 may be connected to a body underframe 200 of a vehicle or an inboard roof of a rail vehicle.
In some embodiments, as shown in figures 1-7, the first support 5 is in sliding engagement with the first gantry 1 via a plurality of laterally spaced longitudinal sliding mechanisms, the first support 5 is in sliding engagement with the second gantry 2 via a plurality of laterally spaced longitudinal sliding mechanisms, and both the first gantry 1 and the second gantry 2 are in sliding engagement with the first support 5 in the longitudinal direction via a plurality of longitudinal sliding mechanisms, such that movement of the first gantry 1 and the second gantry 2 in the longitudinal direction is more stable. And the longitudinal anti-torsion capability of the door drive device 100 can be enhanced by providing a plurality of longitudinally sliding mechanisms spaced apart in the lateral direction.
Further description will be given below by way of example of a sliding engagement between the first support 5 and the first door carrier 1 by means of two laterally spaced longitudinal sliding mechanisms, and a sliding engagement between the first support 5 and the second door carrier 2 by means of two laterally spaced longitudinal sliding mechanisms, and these two longitudinal sliding mechanisms will be described one after the other.
In some embodiments, as shown in fig. 1-7, the longitudinal sliding mechanism comprises a first sliding slot 71, a second sliding slot 72, a first sliding portion 111 and a second sliding portion 211, the first support 5 is provided with a first sliding slot 71 and a second sliding slot 72 extending in the longitudinal direction, the first rack 11 is provided with the first sliding portion 111 on the side facing the first support 5, the first sliding portion 111 is slidably connected with the first sliding slot 71, the second rack 21 is provided with the second sliding portion 211 on the side facing the first support 5, the second sliding portion 211 is slidably connected with the second sliding slot 72, the first sliding slot 71 serves as a guide for the first gantry 1 in the longitudinal direction, the second sliding slot 72 serves as a guide for the second gantry 2 in the longitudinal direction, and the first sliding portion 111 is slidably fitted with the first slide groove 71, the second sliding portion 211 is slidably fitted with the second slide groove 72, thereby a sliding connection of the first and second door carriers 1, 2 in the longitudinal direction with respect to the first support 5 may be achieved.
In some examples, as shown in fig. 1 to 7, the first sliding portion 111 and the second sliding portion 211 are both rollers, the first sliding portion 111 is connected to a side surface of the first rack 11, the second sliding portion 211 is connected to a side surface of the second rack 21, the sliding groove is provided on a surface of the first support 5 facing the first rack 11 and the second rack 21, and the guiding function of the first door carrier 1 or the second door carrier 2 is achieved by rolling of the rollers in the sliding groove, and the roller and the sliding groove have a simple matching structure, a good guiding effect, and a small friction force, so that the structure of the door driving device 100 at the position has corresponding advantages.
In some embodiments, as shown in fig. 1 to 7, the first sliding chute 71 and the second sliding chute 72 are arranged at a distance from each other in the vertical direction, and the projections of the first sliding chute 71 and the second sliding chute 72 on the horizontal plane have an overlapping area, so that the length of the first sliding chute 71 and the second sliding chute 72 can be ensured, and the size of the first bracket 5 in the longitudinal direction can be reduced, and further the size of the door driving device 100 in the longitudinal direction can be reduced, so that the door driving device 100 occupies a small space and is convenient to arrange on a railway vehicle.
In some embodiments, as shown in fig. 1 to 7, each of the first sliding portion 111 and the second sliding portion 211 includes a plurality of, for example, two, first sliding portions 111 and second sliding portions 211 arranged at intervals in the longitudinal direction, and the guiding effect of the first sliding portion 111 on the first rack 11 and the guiding effect of the second sliding portion 211 on the second rack 21 can be further improved, so that the movement of the first rack 11 and the second rack 21 can be smoother. And the lateral torsion resistance of the door driving device 100 can be enhanced by providing the plurality of first sliding portions 111 and second sliding portions 211.
In some embodiments, as shown in fig. 1 to 7, the first bracket 5 includes a first horizontal plate 51 and a guide plate 52, a normal of the first horizontal plate 51 is vertical, a normal of the guide plate 52 is horizontal, the guide plate 52 is fixedly connected to the first horizontal plate 51, and a lower end of the guide plate 52 is connected to an inner end of the first horizontal plate 51. The first chute 71 and the second chute 72 are disposed on the guide plate 52, the first chute 71 and the second chute 72 on the guide plate 52 play a role of guiding the first rack 11 or the second rack 21, and the guide plate 52 and the first horizontal plate 51 are fixedly connected to enable the guide plate 52 and the first horizontal plate 51 to simultaneously move laterally relative to the second support 6, so that the distances between the first door carrier 1, the second door carrier 2, the first rack 11, the second rack 21, the gear 3 and other components in the lateral direction are unchanged, and the driving force of the driving unit 4 can be transmitted to the first door carrier 1 and the second door carrier 2 all the time, thereby realizing the opening and closing of the first door 300 and the second door 400. The first horizontal plate 51 may be provided with a plurality of lightening holes.
As shown in fig. 1 to 7, the first door carrying frame 1 may further include a first connecting column 14 and a first door connecting portion 15, one end (a transverse inner end) of the first connecting column 14 may be connected to the first rack 11, the other end (a transverse outer end) of the first connecting column 14 is connected to the first door connecting portion 15, the first door connecting portion 15 is used for connecting the first door 300, and when the guide plate 52 moves in the transverse direction, the first sliding portion 111 engaged with the guide plate 52 drives the first door carrying frame 1 and the door to move in the transverse direction, so that the first door 300 realizes a sliding movement.
The second door carrying frame 2 may further include a second connection column 24 and a second door connection portion 25, one end of the second connection column 24 may be connected to the guide plate 52, the other end of the second connection column 24 is connected to the second door connection portion 25, the second door connection portion 25 is used for connecting the second door 400, and when the guide plate 52 moves along the transverse direction, the second connection column 24 connected to the guide plate 52 may drive the door to move transversely, so that the first door 300 realizes the plug-pull motion.
The other of the two longitudinal sliding mechanisms is structured as follows.
In some embodiments, as shown in fig. 1-7, the longitudinal sliding mechanism comprises a main guide rail 53, a first connecting seat 12, a second connecting seat 22, the first support 5 is provided with a main guide rail 53 extending in a longitudinal direction, the main guide rail 53 is used for guiding the first door carrier 1 and the second door carrier 2 in the longitudinal direction, the main guide rail 53 is spaced apart from the first sliding groove 71 in a transverse direction, so that the main guide rail 53 is spaced apart from the second sliding groove 72 in the transverse direction, the main guide rail 53 guides the first door carrier 1 and the second door carrier 2 in the longitudinal direction, the first sliding groove 71 guides the first rack 11 in the longitudinal direction, the second sliding groove 72 guides the second rack 21 in the longitudinal direction, thereby enabling the first door carrier 1 and the second door carrier 2 to slide relatively to the vehicle body in the longitudinal direction in a more stable manner, the first door carrier 1 has the first connecting seat 12 slidably connected with the main guide rail 53, the second portal frame 2 has a second connecting seat 22 slidably connected to the main guide rail 53, and the first portal frame 1 and the main guide rail 53, and the second portal frame 2 and the main guide rail 53 are slidably engaged with each other through the engagement of the first connecting seat 12 and the second connecting seat 22 with the main guide rail 53. The cross-section of the portion of the main guide rail 53 that engages the first and second connector blocks 12, 22 may be circular, such a circular shaft-to-shaft fit preventing twisting of the door carrier about the transverse (Y-axis).
In some embodiments, as shown in fig. 1-7, the first support 5 comprises a first horizontal plate 51 and a guide plate 52, a normal of the first horizontal plate 51 is vertical, a normal of the guide plate 52 is horizontal, the guide plate 52 is fixedly connected with the first horizontal plate 51, the main guide rail 53 is arranged on the first horizontal plate 51, so that the main guide rail 53 is transversely spaced from the first sliding groove 71 and the second sliding groove 72, so as to achieve better guiding effect for the first door carrier 1 and the second door carrier 2, and the normal of the first horizontal plate 51 is vertical and the normal of the guide plate 52 is horizontal, so that the driving force of the driving unit 4 can be better transmitted to the first door carrier 1 and the second door carrier 2.
The first and second door carriers 1, 2 are each connected to the second support 6 by a guide slide mechanism having a first portion extending in a longitudinal direction for guiding the first and second door carriers 1, 2 for movement in the longitudinal direction of the vehicle body so as to increase or decrease the relative distance between the first and second doors 300, 400 and a second portion extending in the first direction for guiding the first and second door carriers 1, 2 in the longitudinal and transverse directions so as to guide the first and second door carriers 1, 2 in the longitudinal and transverse directions of the vehicle body during opening or closing of the first and second doors 300, 400, i.e. while the first and second doors 300, 400 are approaching or moving away from each other.
In some embodiments, as shown in fig. 1-7, the guided slide mechanism comprises a first plunger rail 73 and a second plunger rail 74 provided on the second carriage 6, and a first guide portion 13 provided on the first door carrier 1 and a second guide portion 23 provided on the second door carrier 2, the first plunger rail 73 and the second plunger rail 74 are provided at a distance in the longitudinal direction, the first plunger rail 73 cooperates with the first guide portion 13, and the second plunger rail 74 cooperates with the second guide portion 23 for guiding the plunger movement of the first door carrier 1 and the second door carrier 2, so that the plunger movement of the door, that is, the door moves in the lateral direction away from or close to the vehicle body, can be realized, and when the door is opened, the first door carrier 1 moves in the direction away from the vehicle body with respect to the second carriage 6 so that the door extends in the lateral direction out of the door frame and further moves in the longitudinal direction of the vehicle body to open, when the door is closed, the second door carrying frame 2 is moved in a direction close to the vehicle body with respect to the second bracket 6, so that the door is inserted into the door frame in the lateral direction, and is further moved in the longitudinal direction of the vehicle body to close the door,
as shown in fig. 2 and 3, the first plugging guide rail 73 includes a first longitudinal section 731 and a first plugging section 732, an end of the first plugging section 732 facing away from the second plugging guide rail 74 is connected to an end of the first longitudinal section 731 close to the second plugging guide rail 74, the first longitudinal section 731 extends in the longitudinal direction, and the first plugging section 732 extends obliquely to the transverse inner side from an end connected to the first longitudinal section 731 to the other end
Therefore, when the vehicle door is gradually opened from a closed state, the first door 300 moves in a direction away from the vehicle body in a transverse direction while the first guide portion 13 of the first door carrier 1 moves in the longitudinal direction away from the second door carrier 2 under the guiding action of the first plugging section 732, that is, the first door carrier 1 moves along the track of the first plugging section 732, so as to realize the plugging movement of the first door carrier 1, so that the first door carrier 1 drives the first door 300 to move away from the door frame in the transverse direction, so that the first door 300 can further move in the longitudinal direction, when the first guide portion 13 of the first door carrier 1 moves to the longitudinal section, the first door carrier 1 completes the plugging movement, and the first sliding portion 111 of the first door carrier 1 moves in the direction away from the second door 400 in the longitudinal direction under the guiding action of the first longitudinal section 731, so as to further open the first door 300, the opening of the first door 300 is finally completed, and the reverse is true when the first door 300 is closed.
The second plug rail 74 includes a second longitudinal section 741 and a second plug section 742, an end of the second plug section 742 facing away from the first plug rail 73 is connected to an end of the second longitudinal section 741 close to the first plug rail 73, the second longitudinal section 741 extends in the longitudinal direction, and the second plug section 742 extends obliquely to the laterally inner side from the end connected to the second longitudinal section 741 to the other end.
Thus, when the door is gradually opened from the closed state, the second door 400 moves in the direction of moving away from the vehicle body in the transverse direction while the second guide portion 23 of the second door carrier 2 moves away from the second door carrier 2 in the longitudinal direction under the guide of the second plug section 742, that is, the second door carrier 2 moves along the track of the second plug section 742, so that the plug motion of the second door carrier 2 is achieved, and the second door carrier 2 drives the second door 400 to move away from the door frame in the transverse direction, so that the second door 400 can further move in the longitudinal direction, and when the second guide portion 23 of the second door carrier 2 moves to the longitudinal section where the second door carrier 2 completes the plug motion, the second sliding portion 211 of the second door carrier 2 moves away from the second door 400 in the longitudinal direction under the guide of the second longitudinal section 741, so that the second door 400 is further opened, the opening of the second door 400 is finally completed, and the reverse is true when the second door 400 is closed.
In some examples, the first guiding portion 13 and the second guiding portion 23 may be rollers, and the rollers roll in the first plunger guide 73 or the second plunger guide 74 to realize the guiding function for the first door carrying frame 1 or the second door carrying frame 2, and the matching structure of the rollers and the plunger guides is simple, and the guiding effect is good, and the friction is small, so that the structure of the door driving device 100 at the position has corresponding advantages.
In some embodiments, as shown in fig. 2-6, the second bracket 6 may include: the second horizontal plate 61 and two end plates 62, the normal of second horizontal plate 61 is along vertical, the normal of end plate 62 is along vertically, two end plates 62 link to each other with the both ends of second horizontal plate 61 respectively, first stopper draws guide rail 73 and second stopper and draws guide rail 74 and locate second horizontal plate 61, and every end plate 62 is equipped with along the end plate guide rail 63 of horizontal extension, and first support 5 links to each other with end plate guide rail 63 is slided. The second horizontal plate 61 may be provided with a plurality of lightening holes.
Thus, the first horizontal plate 51 and the guide plate 52 of the first bracket 5 may be configured together with the second horizontal plate 61 and the two end plates 62 of the second bracket 6 to form a box-shaped accommodation space whose lateral outer ends are open, the box-shaped accommodation space may have the second horizontal plate 61 as an upper wall and the second horizontal plate 61 connected to the vehicle body under-frame 200 when the door driving device 100 is mounted on the vehicle body under-frame 200, the first horizontal plate 51 as a lower wall and the two end plates 62 and the guide plate 52 as side walls, the box-shaped accommodation space may have the second horizontal plate 61 as a lower wall and the second horizontal plate 61 connected to the vehicle interior roof panel when the door driving device 100 is mounted on the vehicle interior roof panel, the first horizontal plate 51 as an upper wall and the two end plates 62 and the guide plate 52 as side walls, the box-shaped accommodation space is open to one side of the door, and other components of the door driving device 100 may be disposed in the accommodation space, thereby facilitating the arrangement of the door driving device 100 and functioning to protect other components.
The first portal 1 comprises: the first rack 11, the first sliding part 111, the first connecting column 14, the first connecting seat 12, the first guide part 13 and the door leaf connecting part are connected with the first connecting column 14, and the first sliding part 111 is connected with the side surface of the first rack 11; the second gantry 2 comprises: the second rack 21, the second sliding part 211, the second connecting column 24, the second connecting seat 22, the second guiding part 23 and the door leaf connecting part are connected with the second connecting column 24, and the second sliding part 211 is connected with the side surface of the second rack 21.
In some embodiments, the first rack 11 and the second rack 21 are disposed opposite to each other in a radial direction of the gear 3.
In some embodiments, as shown in fig. 1-7, the driving unit 4 may include: driving motor 41 and screw mechanism, driving motor 41 links to each other with screw mechanism's lead screw 421, screw mechanism's lead screw 421 is along vertically setting up, screw mechanism's nut links to each other with one in first door carrying frame 1 and the second door carrying frame 2, when driving motor 41 drive lead screw 421 is rotatory, along longitudinal movement with lead screw 421 complex nut, and make the first door carrying frame 1 or the second door carrying frame 2 of being connected with the nut along longitudinal movement, finally make the door can follow longitudinal movement, lead screw 421 is high with the cooperation sensitivity of nut, high transmission efficiency, the reaction is rapid and steady, thereby make door driving device 100 can have corresponding advantage.
The door assembly according to the present invention, including the first door 300, the second door 400 and the door driving device 100 according to the present invention, the first door 300 being connected to the first door carrying rack 1, and the second door 400 being connected to the second door carrying rack 2, has corresponding advantages by including the door driving device 100 according to the embodiment of the present invention, which will not be described herein again.
The rail vehicle according to the invention has corresponding advantages by providing the door assembly according to the invention, and the description is omitted here.
In some embodiments, as shown in fig. 1, the door driving apparatus 100 is installed under a body underframe 200 of a vehicle body, and the first door carrier 1 is connected to a lower portion of the first door 300 and the second door carrier 2 is connected to a lower portion of the second door 400, so that the door driving apparatus 100 can be disposed using a lower space of the body underframe 200, thereby making space utilization of the railway vehicle more reasonable.
In other embodiments, the door driving device 100 may also be installed above a side roof of a rail vehicle, and the first door carrier 1 is connected to an upper portion of the first door 300, and the second door carrier 2 is connected to an upper portion of the second door 400, so that the door driving device 100 may be disposed using a space above the side roof of the rail vehicle, thereby making space utilization of the rail vehicle more reasonable.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (12)
1. A door drive for a rail vehicle, comprising:
a first door carrier for mounting a first vehicle door, the first door carrier having a first rack;
a second door carrier for mounting a second door, the second door carrier having a second rack;
a gear, wherein the first rack and the second rack are both meshed with the gear, and the gear is positioned between the tooth surface of the first rack and the tooth surface of the second rack;
a drive unit, one of the first and second door carriers being connected to the drive unit;
the driving unit includes:
the driving motor is connected with a lead screw of the lead screw mechanism, and a nut of the lead screw mechanism is connected with one of the first door carrying frame and the second door carrying frame;
the first support is in sliding fit with the first door carrying frame along the longitudinal direction, and the first support is in sliding fit with the second door carrying frame along the longitudinal direction;
the first bracket is arranged on the second bracket in a sliding way along the transverse direction;
a guide slide mechanism having a first portion extending in a longitudinal direction and a second portion extending in a first direction, the first direction having a longitudinal and a transverse component, the first and second door carriers each being connected to the second support via the guide slide mechanism;
the first support and the first door carrier are in sliding engagement by a plurality of laterally spaced apart longitudinal slide mechanisms, and the first support and the second door carrier are in sliding engagement by a plurality of laterally spaced apart longitudinal slide mechanisms;
the longitudinal sliding mechanism comprises a first sliding groove, a second sliding groove, a first sliding portion and a second sliding portion, the first sliding groove and the second sliding groove extend longitudinally, the first sliding portion is arranged on one side, facing the first support, of the first rack, the first sliding portion is connected with the first sliding groove in a sliding mode, the second sliding portion is arranged on one side, facing the first support, of the second rack, and the second sliding portion is connected with the second sliding groove in a sliding mode;
the first support comprises a first horizontal plate and a guide plate, the normal line of the first horizontal plate is vertical, the normal line of the guide plate is horizontal, the guide plate is fixedly connected with the first horizontal plate, and the first sliding groove and the second sliding groove are formed in the guide plate;
the guide sliding mechanism comprises a first plug guide rail and a second plug guide rail which are arranged on the second support, a first guide part arranged on the first door carrying frame and a second guide part arranged on the second door carrying frame, and the first plug guide rail and the second plug guide rail are longitudinally arranged at intervals; wherein
The first stopper guide rail comprises a first longitudinal section and a first stopper section, one end of the first stopper section, which is far away from the second stopper guide rail, is connected with one end of the first longitudinal section, which is close to the second stopper guide rail, the first longitudinal section extends along the longitudinal direction, and the first stopper section extends obliquely towards the transverse inner side from one end connected with the first longitudinal section to the other end;
the second stopper draws the guide rail and includes second longitudinal segment and second stopper and draws the section, the second stopper draws the section to deviate from the one end of first stopper and draw the guide rail with second longitudinal segment is close to the one end of first stopper and draw the guide rail links to each other, the longitudinal extension is followed to the second longitudinal segment, the second stopper draw the section from with the one end that the longitudinal segment of second links to each other extends to the horizontal inboard slope of other end.
2. The door drive device of a railway vehicle according to claim 1, wherein the first rack and the second rack are disposed in parallel, and tooth surfaces of the first rack and the second rack are disposed opposite to each other.
3. The door drive device of a railway vehicle as claimed in claim 1, wherein the first and second chutes are disposed at a vertical interval and have overlapping areas in projection on a horizontal plane.
4. The door drive device of a railway vehicle as claimed in claim 1, wherein the first sliding portion and the second sliding portion each include a plurality of portions arranged at intervals in a longitudinal direction.
5. The door drive device of a railway vehicle as claimed in claim 1, wherein the longitudinal sliding mechanism includes a main guide rail, a first connecting seat, a second connecting seat, the first bracket is provided with the main guide rail extending in a longitudinal direction, the main guide rail is spaced apart from the first chute in a lateral direction, the first door carrier has the first connecting seat slidably connected with the main guide rail, and the second door carrier has the second connecting seat slidably connected with the main guide rail.
6. The door drive device of a railway vehicle as claimed in claim 5, wherein the first bracket comprises a first horizontal plate and a guide plate, wherein the normal line of the first horizontal plate is vertical, the normal line of the guide plate is horizontal, the guide plate is fixedly connected with the first horizontal plate, and the main guide rail is arranged on the first horizontal plate.
7. The door drive device of a railway vehicle as claimed in claim 1, wherein the second bracket comprises: second horizontal plate and two end plates, the normal line of second horizontal plate is vertical along, the normal line of end plate is along vertically, two the end plate respectively with the both ends of second horizontal plate link to each other, first stopper draws the guide rail with second stopper draws the guide rail to locate second horizontal plate, every the end plate is equipped with along the end plate guide rail of horizontal extension, first support with the end plate guide rail slides and links to each other.
8. The door drive device of a railway vehicle according to any one of claims 1 to 6, characterized in that the first rack and the second rack are disposed opposite to each other in a radial direction of the pinion.
9. A door assembly comprising a first door, a second door and a door drive apparatus as claimed in any one of claims 1 to 8, said first door being associated with said first door carrier and said second door being associated with said second door carrier.
10. A rail vehicle comprising the door assembly of claim 9.
11. The rail vehicle of claim 10, wherein the door drive is mounted below a body underframe of the vehicle body, and the first door carrier is coupled to a lower portion of the first door and the second door carrier is coupled to a lower portion of the second door.
12. The rail vehicle of claim 10, wherein the door drive is mounted above a side roof of the vehicle body, and wherein the first door carrier is coupled to an upper portion of the first door and the second door carrier is coupled to an upper portion of the second door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810552064.0A CN110552583B (en) | 2018-05-31 | 2018-05-31 | Door drive arrangement, door assembly and rail vehicle of rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810552064.0A CN110552583B (en) | 2018-05-31 | 2018-05-31 | Door drive arrangement, door assembly and rail vehicle of rail vehicle |
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| Publication Number | Publication Date |
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| CN110552583A CN110552583A (en) | 2019-12-10 |
| CN110552583B true CN110552583B (en) | 2022-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810552064.0A Active CN110552583B (en) | 2018-05-31 | 2018-05-31 | Door drive arrangement, door assembly and rail vehicle of rail vehicle |
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|---|---|---|---|---|
| US5483769A (en) * | 1993-12-07 | 1996-01-16 | Mark Iv Transportation Products Corporation | Door drive equipment for mass transit vehicle |
| CN201566632U (en) * | 2010-01-11 | 2010-09-01 | 南京工程学院 | Cross slider type sliding plug door mechanism |
| CN206427034U (en) * | 2016-12-30 | 2017-08-22 | 比亚迪股份有限公司 | Train door hanging device, car door and train |
| CN207080108U (en) * | 2017-08-02 | 2018-03-09 | 江苏惠民交通设备有限公司 | A kind of Electric plug sliding door top mechanism mechanism |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5403327B2 (en) * | 2009-01-27 | 2014-01-29 | 富士電機株式会社 | Sliding door opening and closing device for vehicles |
| CN107524368B (en) * | 2017-09-18 | 2020-03-24 | 宁波中车时代电气设备有限公司 | Bearing driving mechanism for rail vehicle door system |
| CN107605310A (en) * | 2017-09-20 | 2018-01-19 | 宁波中车时代传感技术有限公司 | A kind of bearing driving mechanism of sliding door |
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2018
- 2018-05-31 CN CN201810552064.0A patent/CN110552583B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5483769A (en) * | 1993-12-07 | 1996-01-16 | Mark Iv Transportation Products Corporation | Door drive equipment for mass transit vehicle |
| CN201566632U (en) * | 2010-01-11 | 2010-09-01 | 南京工程学院 | Cross slider type sliding plug door mechanism |
| CN206427034U (en) * | 2016-12-30 | 2017-08-22 | 比亚迪股份有限公司 | Train door hanging device, car door and train |
| CN207080108U (en) * | 2017-08-02 | 2018-03-09 | 江苏惠民交通设备有限公司 | A kind of Electric plug sliding door top mechanism mechanism |
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| CN110552583A (en) | 2019-12-10 |
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