CN110552579A - Door drive arrangement and have its door assembly and rail vehicle of rail vehicle - Google Patents
Door drive arrangement and have its door assembly and rail vehicle of rail vehicle Download PDFInfo
- Publication number
- CN110552579A CN110552579A CN201810551274.8A CN201810551274A CN110552579A CN 110552579 A CN110552579 A CN 110552579A CN 201810551274 A CN201810551274 A CN 201810551274A CN 110552579 A CN110552579 A CN 110552579A
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- CN
- China
- Prior art keywords
- door
- rack
- carrying frame
- connecting rod
- guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D19/00—Door arrangements specially adapted for rail vehicles
- B61D19/003—Door arrangements specially adapted for rail vehicles characterised by the movements of the door
- B61D19/005—Door arrangements specially adapted for rail vehicles characterised by the movements of the door sliding
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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
- E05F15/655—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
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a door driving device of a railway vehicle, a door assembly with the door driving device and the railway vehicle, wherein the door driving device of the railway vehicle comprises: the door driving device comprises a bracket, a guide rod and a door carrying frame assembly, wherein the bracket is used for being connected with a vehicle body, the guide rod is arranged on the bracket and extends along the longitudinal direction, the door carrying frame assembly comprises a connecting rod and a door carrying frame used for mounting a vehicle door, the door carrying frame is connected with the bracket through a guide sliding mechanism, the guide sliding mechanism is provided with a first part extending along the longitudinal direction and a second part extending along a second direction, the second direction has longitudinal and transverse components, one end of the connecting rod is pivotally connected with the guide rod and can slide along the longitudinal direction relative to the guide rod, and the other end of the connecting rod is pivotally connected with the door carrying frame.
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 with the door driving device 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. To this end, the present invention is directed to solving at least one of the problems in 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 rail vehicle with the door driving device of the rail vehicle.
the door driving apparatus of a railway vehicle according to the present invention includes: the bracket is used for being connected with a vehicle body; a guide rod mounted to the bracket and extending in a longitudinal direction; a door carrying assembly, the door carrying assembly includes the connecting rod and is used for installing the door carrying frame of door, the door carrying frame with link to each other through guide sliding mechanism between the support, guide sliding mechanism has along the first portion of longitudinal extension and the second portion that extends along the second direction, the second direction has vertical and horizontal component, the one end of connecting rod with but the guide arm pivot ground links to each other, and can follow longitudinal sliding for the guide arm, the other end of connecting rod with but door carrying frame pivot ground links to each other.
According to the vehicle door driving device of the railway vehicle, the bracket, the guide rod and the door carrying frame assembly are arranged, and the guide sliding mechanism and the connecting rod are arranged on the door carrying frame assembly, so that the plug-pull type door driving device can still stably and longitudinally slide when the plug-pull movement of the door carrying frame is realized.
In some embodiments, the portal assembly comprises a first portal assembly and a second portal assembly; the first door carrying assembly comprises a first connecting rod and a first door carrying frame for mounting a first vehicle door; the second door carrier assembly comprises a second link and a second door carrier for mounting a second vehicle door.
In some embodiments, the door driving apparatus of a railway vehicle further comprises: the first rack is connected with the first door carrying frame, and the second rack is connected with the second door carrying frame; 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 gantry, the second gantry and the gear being connected to the drive unit.
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, the bracket is provided with a first sliding groove and a second sliding groove extending in the longitudinal direction, the first rack is provided with a first sliding portion, the first sliding portion is slidably connected with the first sliding groove, and the second rack is provided with a second sliding portion, the second sliding portion is slidably connected with 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 stent comprises: a first horizontal plate, a second horizontal plate, a guide plate and two end plates,
first horizontal plate second horizontal plate sets up relatively and its normal is all along vertical, the last border of deflector with the inboard side of first horizontal plate links to each other, the lower border of deflector with the inboard side of second horizontal plate links to each other, the normal of deflector is along horizontal, first spout with the second spout is located the deflector, two the end plate is connected respectively first horizontal plate the both ends of second horizontal plate, the normal of end plate is along vertically, the both ends of guide arm respectively with two the end plate links to each other.
In some embodiments, when one of the first and second door carriers is connected to the drive unit, the drive unit comprises: 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.
In some embodiments, when the driving unit is connected to the gear, the driving unit includes: the driving motor is connected with the speed reducer, and the speed reducer is connected with the gear.
In some embodiments, the first link and the second link each comprise: the connecting seat of the first connecting rod is connected with the first rack, and the connecting seat of the second connecting rod is connected with the second rack; the first end of the connecting rod body and the connecting seat are both pivotally connected with the guide rod; the second end of the connecting rod body of the first connecting rod is pivotally connected with the first door carrying frame through the pin shaft of the first connecting rod, and the second end of the connecting rod body of the second connecting rod is pivotally connected with the second door carrying frame through the pin shaft of the second connecting rod.
in some embodiments, the connecting seat has two opposite lugs, the first end of the connecting rod body is located between the two lugs, and the first end of the connecting rod body and the lugs both have through holes for sleeving the guide rods.
In some embodiments, the first link and the second link each comprise: the hinge pin is fixedly connected with the first door carrying frame and the second door carrying frame correspondingly, the bearing sleeve is arranged outside the hinge pin, and the second end sleeve of the connecting rod body is arranged outside the bearing.
in some embodiments, the guiding and sliding mechanism comprises a stopper guide rail arranged on the bracket and a guiding part arranged on the carrying frame; wherein the stopper draws the guide rail including longitudinal segment and stopper and draws the section, the one end of stopper draw the section with the one end of longitudinal segment links to each other, longitudinal segment is along longitudinal extension, the stopper draws the section to follow the second direction extends, just the stopper draw the section from with one end that longitudinal segment links to each other to the other end to transversely inwards slope extension.
in some embodiments, the link comprises: a link arm; the sleeve is connected with one end of the link arm and sleeved outside the guide rod, and the sleeve is in clearance fit with the guide rod; the lantern ring, the lantern ring with the other end of pitman arm links to each other, the door carrying frame has the connecting axle, the lantern ring cover is established outside the connecting axle, the lantern ring with connecting axle clearance fit.
In some embodiments, the guide rod is cylindrical and the sleeve is cylindrical.
In some embodiments, the two sides of the portal frame, which are opposite to each other in the longitudinal direction, are provided with the connecting shafts, the number of the lantern rings is two, the two lantern rings are oppositely arranged in the longitudinal direction at intervals, and the two lantern rings correspond to the two connecting shafts one by one.
The door assembly according to the invention comprises a door which is connected to the door carrier assembly and a door drive according to the invention, and the door assembly has corresponding advantages by virtue of 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 the advantages are the same and will not be described in detail here.
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 front view of a door drive of a rail vehicle according to an embodiment of the present invention;
FIG. 2 is a rear view of a door drive of a rail vehicle according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a door drive of a rail vehicle according to an embodiment of the present invention;
FIG. 4 is an exploded view of a door drive of a rail vehicle according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a linkage according to an embodiment of the present invention (showing a portal frame);
FIG. 6 is a disassembled view of a door drive of a rail vehicle according to another embodiment of the present invention;
Figure 7 is a schematic structural view of a second link (showing a second portal) according to an embodiment of the present invention;
Figure 8 is an elevation view of a second link (showing a second portal) according to an embodiment of the present invention;
Fig. 9 is a cross-sectional view at B-B of fig. 8.
Reference numerals:
a door driving device 100 of a railway vehicle;
A first horizontal plate 11; a second horizontal plate 12; an end plate 13; a guide plate 14; a first chute 101; a second chute 102;
A guide rod 2;
A door-carrying frame assembly 3; a door-carrying frame 31; a first portal 311; a second portal 312; a guide portion 313; a connecting shaft 314; a connecting rod 32; a sleeve 321; a collar 322; a link arm 323; a first link 33; a second link 34; a connecting socket 301; a boss 3011; two rods 302; a pin shaft 303; a bearing 304;
A rack 4; a first rack 41; a first sliding portion 411; a second rack 42; a second slide portion 421;
A gear 5;
A drive unit 6; a drive motor 61; a lead screw 62;
A stopper guide rail 7; a first stopper guide 71; a first longitudinal segment 711; a first stopper segment 712; a second stopper guide 72; a second longitudinal section 721; a second stopper section 722.
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.
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.
Referring to fig. 1 to 9, 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 9, the door driving apparatus 100 for a railway vehicle according to an embodiment of the present invention includes: a cradle, a guide bar 2 and a door-carrying frame assembly 3.
A support adapted to be coupled to a vehicle body, the support being adapted in some embodiments to be coupled to an undercarriage of a railway vehicle or to an inboard roof of a railway vehicle, the guide bar 2 being mounted to the support and extending longitudinally, the door carrier assembly 3 including a link 32 and a door carrier 31 for mounting a door, the door carrier 31 being adapted to be coupled to the door, the guide bar 2 being adapted to guide the door carrier assembly 3 such that the door carrier assembly 3 is movable longitudinally relative to the vehicle body and the door coupled to the door carrier 31 is movable longitudinally relative to the vehicle body to effect opening and closing of the door, the door carrier 31 being coupled to the support by a guided slide mechanism having a first portion extending longitudinally and a second portion extending in a second direction, the second direction having a longitudinal and transverse component, the first portion of the guided slide mechanism being adapted to guide the door carrier 31 longitudinally to effect longitudinal movement of the door relative to the vehicle body, to open or close the door, the second part of the guide slide mechanism is used to guide the door carrier 31 in the transverse and longitudinal directions, so that the door carrier 31 moves in the transverse direction while moving in the longitudinal direction relative to the vehicle body, i.e. to realize the plugging movement of the door, and in combination with the longitudinal sliding fit of the door carrier 31 along the bracket, the door can be plugged to open or close.
The X-axis direction is the length direction of the rail vehicle, namely the longitudinal direction; the Y-axis direction is the width direction of the railway vehicle, namely the transverse direction; the Z-axis direction is the height direction of the rail vehicle, i.e., the vertical direction, and the directions described herein are all described with reference to the X-axis direction, the Y-axis direction, and the Z-axis direction in fig. 1 to 9.
Therefore, the door carrying frame 31 moves along the width direction of the vehicle relative to the vehicle body, and then the plug-pull movement of the vehicle door can be realized, namely, the vehicle door moves in the direction far away from or close to the vehicle body in the transverse direction, when the vehicle door is opened, the door carrying frame 31 relatively moves in the longitudinal direction to open the vehicle door, meanwhile, the door carrying frame 31 drives the vehicle door to move in the transverse direction to enable the vehicle door to stretch out of the door frame in the transverse direction, and further moves in the length direction of the vehicle body to open the vehicle door, when the vehicle door is closed, the door carrying frame 31 relatively moves in the longitudinal direction to close the vehicle door, meanwhile, the door carrying frame 31 drives the vehicle door to move in the transverse direction to enable the vehicle door to stretch into the door frame in the transverse direction.
One end of the connecting rod 32 is pivotally connected with the guide rod 2 and can slide longitudinally relative to the guide rod 2, the other end of the connecting rod 32 is pivotally connected with the door carrying frame 31, the connecting rod 32 is used for connecting the door carrying frame 31 with the bracket in a sliding manner, when the connecting rod 32 slides longitudinally on the guide rod 2, the door carrying frame 31 can move longitudinally together with the guide rod 2, and further the door is opened or closed, and because the door needs to do a plugging movement in the opening or closing process of the door, the connecting rod 32 is pivotally connected with the guide rod 2, and the connecting rod 32 is pivotally connected with the door carrying frame 31, therefore, when the door does the plugging movement, the connecting rod 32 rotates relative to the door carrying frame 31, and the connecting rod 32 rotates relative to the guide rod 2, so that the door carrying frame 31 can extend out the bracket to complete the plugging.
According to the vehicle door driving device of the railway vehicle, the bracket, the guide rod 2 and the door carrying frame assembly 3 are arranged, and the guide sliding mechanism and the connecting rod 32 are arranged on the door carrying frame assembly 3, so that the plug-pull type door driving device can still stably slide longitudinally when the plugging movement of the door carrying frame is realized.
In some embodiments, when one door of the rail vehicle has two doors, the door carrying assembly 3 may comprise a first door carrying assembly comprising a first link and a first door carrying frame 311 for mounting the first door and a second door carrying assembly comprising a second link and a second door carrying frame 312 for mounting the second door, the first and second door carrying assemblies being simultaneously moveable in opposite directions in the longitudinal direction to open or close the doors when the doors are opened or closed.
Of course, it is also possible that one door of the rail vehicle has only one door, in which case the door carrier assembly 3 may comprise only the first door carrier assembly comprising the first link and the first door carrier 311 for mounting the first door.
in some embodiments, when the door of the rail vehicle includes two doors, the rail vehicle may include a first door and a second door, the first door and the second door may be a pair of left and right sliding plug doors of the rail vehicle, the first door carrier 311 is used for installing the first door, the second door carrier 312 is used for installing the second door, and the door driving device 100 of the rail vehicle may further include: a first rack 41, a second rack 42, a gear 5 and a drive unit 6.
The first rack 41 is connected to the first door carrier 311, the second rack 42 is connected to the second door carrier 312, both the first rack 41 and the second rack 42 are engaged with the gear 5, and the gear 5 is located between a tooth surface of the first rack 41 and a tooth surface of the second rack 42, that is, the first rack 41 and the second rack 42 are located on both sides of the gear 5 in the radial direction, the first rack 41 and the second rack 42 are arranged opposite to each other in the radial direction, and one of the first door carrier 311, the second door carrier 312, and the gear 5 is connected to the driving unit 6.
The first rack 41, the second rack 42 and the gear 5 are used for realizing synchronous reverse movement of the two doors, and specific working processes of the first rack 41, the second rack 42 and the gear 5 are described below according to fig. 1 to 9.
In some embodiments, when one of the first and second door carriers 311, 312 is connected to the drive unit 6, the drive unit 6 comprises: the driving motor 61 is connected with the lead screw 62 of the lead screw mechanism, the nut of the lead screw mechanism is connected with one of the first door carrying frame 311 and the second door carrying frame 312, for example, the first door carrying frame 311 is connected with the nut of the lead screw mechanism, when the driving motor 61 drives the lead screw 62 to rotate, the nut matched with the lead screw 62 moves along the longitudinal direction, so that the first door carrying frame 311 connected with the nut moves along the longitudinal direction, the first rack 41 connected with the first door carrying frame 311 moves along the longitudinal direction, the first rack 41 drives the gear 5 meshed with the first rack 41 to rotate, the gear 5 drives the second rack 42 to move along the longitudinal direction opposite to the first rack 41, finally, the second door carrying frame 312 moves along the direction opposite to the movement direction of the first door carrying frame 311, and finally, the first door and the second door move along the opposite directions, so as to realize the opening and closing of the doors, the matching between the lead screw 62 and the nut is high, and the sensitivity of the opening and closing of the doors is, The transmission efficiency is high, and the response is rapid and smooth, so that the door driving device 100 may have corresponding advantages.
When the driving unit 6 is connected to one of the first and second door carriers 311 and 312, taking the driving unit 6 driving the first door carrier 311 as an example, when the driving unit 6 drives the first rack 41 to move towards the second rack 42 through the first door carrier 311, the first door carrier 311 moves towards the second door carrier 312, in some examples, a gear shaft may be installed on the guide plate 14, the gear 5 may be installed on the gear shaft and rotate around the axis of the gear shaft, the gear 5 may be in a circular ring shape, the gear 5 may be sleeved outside the gear shaft, and the outer peripheral surface of the gear 5 is an abutment surface. Because the gear 5 is respectively meshed with the first rack 41 and the second rack 42, the first rack 41 drives the gear 5 to rotate around the gear shaft, the gear 5 transmits the driving force to the second rack 42 due to the meshing action, the second rack 42 moves towards the first rack 41, and then the second door carrying frame 312 moves towards the first door carrying frame 311, so that the first door carrying frame 311 drives the first door to move towards the second door carrying frame 312, the second door carrying frame 312 drives the second door to move towards the first door carrying frame 311, and further closing of the doors of the railway vehicle is realized, the door opening state is opposite to the moving state, and repeated description is omitted.
In other embodiments, when the driving unit 6 is connected to the gear 5, the driving unit 6 includes: driving motor 61 and reduction gear, driving motor 61 links to each other with the reduction gear, the reduction gear links to each other with gear 5, driving motor 61's rotation is passed on for gear 5 again through the reduction of reduction gear, when gear 5 rotates, gear 5 drives first rack 41 and the motion of second rack 42, and then make first door carrying frame 311 and second door carrying frame 312 along longitudinal movement, finally make the door can follow longitudinal movement, the cooperation mode through first rack 41 of gear 5 drive and second rack 42, cooperation sensitivity is high, transmission efficiency is high, the reaction is rapid and steady, thereby make door drive arrangement 100 can have corresponding advantage, and only need adjust the rotational speed ratio of driving motor 61 and reduction gear, just can control gear 5's rotational speed, and then can control the speed of door switching.
When the driving unit 6 is connected to the gear 5, when the driving unit 6 drives the gear 5 to rotate towards the first direction, due to the meshing action of the gear 5, the first rack 41 and the second rack 42 move towards the direction away from each other under the driving of the gear 5, so as to drive the first door carrying frame 311 and the second door carrying frame 312 to move away from each other, and further, the opening of the vehicle door can be realized. When the driving unit 6 drives the gear 5 to rotate towards the second direction, due to the meshing action of the gear 5, the first rack 41 and the second rack 42 are driven by the gear 5 to move towards the directions of approaching each other, so as to drive the first door carrying frame 311 and the second door carrying frame 312 to approach each other, and further, the closing of the vehicle door can be realized.
in the movement process of the gear 5 driving the rack 4, the first rack 41 is installed on the first door carrying frame 311, the second rack 42 is installed on the second door carrying frame 312, the first door is installed on the first door carrying frame 311, the second door is installed on the second door carrying frame 312, the driving unit 6 drives the gear 5 to rotate, the opening and closing of the doors of the railway vehicle can be realized, and the driving unit 6 can realize the switching of the opening or closing states of the doors only by changing the rotation direction of the gear 5. The two doors are symmetrically arranged with respect to the driving unit 6, and the two doors can be driven synchronously, and the overall stability of the door driving device 100 is good.
In some embodiments, the first rack 41 and the second rack 42 are disposed in parallel, and the tooth surfaces of the first rack 41 and the second rack 42 are disposed opposite to each other, so that it is ensured that the driving forces transmitted by the first rack 41 and the second rack 42 can be parallel, and further ensured that the first door carrier 311 and the second door carrier 312 can synchronously move in an anti-parallel direction, so that the first door and the second door can be smoothly opened and closed.
In some embodiments, the bracket is provided with a first sliding groove 101 and a second sliding groove 102 extending along the longitudinal direction, the first rack 41 is provided with a first sliding portion 411, the first sliding portion 411 is slidably connected with the first sliding groove 101, the second rack 42 is provided with a second sliding portion 421, and the second sliding portion 421 are connected with the second sliding portion
the sliding grooves 102 are connected in a sliding mode, the first sliding groove 101 plays a role in guiding the first door carrying frame 311 in the longitudinal direction, the second sliding groove 102 plays a role in guiding the second door carrying frame 312 in the longitudinal direction, the first sliding portion 411 is in sliding fit with the first sliding groove 101, and the second sliding portion 421 is in sliding fit with the second sliding groove 102, so that the first door carrying frame 311 and the second door carrying frame 312 are connected in a sliding mode relative to the support in the longitudinal direction.
In some examples, the first sliding portion 411 and the second sliding portion 421 are both rollers, the first sliding portion 411 is connected to a side surface of the first rack 41, the second sliding portion 421 is connected to a side surface of the second rack 42, the sliding groove is formed in a surface of the bracket facing the first rack 41 and the second rack 42, and the first door carrying frame 311 or the second door carrying frame 312 is guided by rolling of the rollers in the sliding groove.
In some embodiments, as shown in fig. 2 and 4, the first sliding chute 101 and the second sliding chute 102 are arranged at a distance from each other in the vertical direction, and the projections of the first sliding chute 101 and the second sliding chute 102 on the horizontal plane have an overlapping area, so that the length of the first sliding chute 101 and the second sliding chute 102 can be ensured, the size of the bracket in the longitudinal direction can be reduced, and 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 rail vehicle.
in some embodiments, as shown in fig. 2, each of the first sliding portion 411 and the second sliding portion 421 includes a plurality of, for example two, first sliding portions 411 and second sliding portions 421 arranged at intervals in the longitudinal direction, so that the guiding effect of the first sliding portions 411 on the first rack 41 and the guiding effect of the second sliding portions 421 on the second rack 42 can be further improved, and thus the movement of the first rack 41 and the second rack 42 can be smoother. And the lateral torsion resistance of the door driving device 100 can be enhanced by providing a plurality of the first sliding portion 411 and the second sliding portion 421.
In some embodiments, as shown in fig. 1-4, the stent may comprise: first horizontal plate 11, second horizontal plate 12, deflector 14 and two end plates 13, first horizontal plate 11, second horizontal plate 12 sets up relatively and the normal is all along vertical, the last border of deflector 14 links to each other with the inboard side of first horizontal plate 11, the lower border of deflector 14 links to each other with the inboard side of second horizontal plate 12, the normal of deflector 14 is along horizontal, deflector 14 is located to first spout 101 and second spout 102, two end plates 13 are connected respectively at first horizontal plate 11, the both ends of second horizontal plate 12, the normal of end plate 13 is along vertical, the both ends of guide arm 2 link to each other with two end plates 13 respectively.
The guide plate 14 provided with the first sliding groove 101 and the second sliding groove 102 is used for guiding the first rack 41 and the second rack 42, and the first horizontal plate 11, the second horizontal plate 12, the guide plate 14 and the two end plates 13 together form a box-shaped accommodating space with the lateral outer ends open, when the door driving device 100 is installed on the vehicle body underframe, the box-shaped accommodating space can be the upper wall with the second horizontal plate 12, and the second horizontal plate 12 is connected with the vehicle body underframe, the first horizontal plate 11 is the lower wall, the two end plates 13 and the guide plate 14 are used as side walls, when the door driving device 100 is installed on the vehicle inner roof, the box-shaped accommodating space can be the lower wall with the second horizontal plate 12, and the second horizontal plate 12 is connected with the vehicle inner roof, the first horizontal plate 11 is the upper wall, the two end plates 13 and the guide plate 14 are used as side walls, the box-shaped accommodating space is open towards one side of the vehicle door, other components of the door driving device 100 may be disposed in the receiving space, thereby facilitating the disposition of the door driving device 100 and protecting the other components.
In some embodiments, as shown in fig. 4, the guiding slide mechanism comprises a stopper guide 7 provided to the support and a guide portion 313 provided to the door carrying frame 31; the stopper guide rail 7 includes a longitudinal section 71 and a stopper section 72, one end of the stopper section 72 is connected to one end of the longitudinal section 71, the longitudinal section 71 extends in the longitudinal direction, the stopper section 72 extends in the second direction, and the stopper section 72 extends obliquely from the end connected to the longitudinal section 71 to the other end to the laterally inner side, i.e., the side close to the vehicle body.
in some examples, the stopper guide 7 may be provided on the second horizontal plate 12, as shown in fig. 4.
As shown in fig. 4, the fitting process of the plug guide 7 with the guide portion 313 will be described below taking as an example a case where the door of the railway vehicle has two doors.
When the rail vehicle has two doors, the doors may include a first door and a second door, while the components associated with the first door may include the first door carrier 311, the first guide portion 313, and the first plug guide 71, and the components associated with the second door may include the second door carrier 312, the second guide portion 313, and the second plug guide 72.
Therefore, when the door is gradually opened from a closed state, the first door moves along the direction away from the vehicle body along the transverse direction while the first guide portion 313 of the first door carrier 311 moves along the longitudinal direction away from the second door carrier 312 under the guide action of the first plugging section 712, that is, the first door carrier 311 moves along the track of the first plugging section 712, so that the plugging movement of the first door carrier 311 is realized, the first door carrier 311 drives the first door to move away from the door frame in the transverse direction, so that the first door can further move along the longitudinal direction, when the first guide portion 313 of the first door carrier 311 moves to the longitudinal section 71, the first door carrier 311 completes the plugging movement, and the first sliding portion 411 of the first door carrier 311 moves along the longitudinal direction away from the second door under the guide action of the first longitudinal section 711, so that the first door is further opened, and finally, opening the first vehicle door is completed, and the opposite is performed when the first vehicle door is closed.
The second stopper guide 72 comprises a second longitudinal section 721 and a second stopper section 722, the end of the second stopper section 722 facing away from the first stopper guide 71 is connected to the end of the second longitudinal section 721 close to the first stopper guide 71, the second longitudinal section 721 extends in the longitudinal direction, and the second stopper section 722 extends obliquely to the laterally inner side from the end connected to the second longitudinal section 721 to the other end.
Therefore, when the door is gradually opened from the closed state, the second door moves in the direction of moving away from the vehicle body along the transverse direction while the second guide portion 313 of the second door carrying frame 312 moves away from the second door carrying frame 312 along the longitudinal direction under the guiding action of the second plugging section 722, that is, the second door carrying frame 312 moves along the track of the second plugging section 722, so as to realize the plugging movement of the second door carrying frame 312, so that the second door carrying frame 312 drives the second door to move away from the door frame along the transverse direction, so that the second door can further move in the longitudinal direction, when the second guide portion 313 of the second door carrying frame 312 moves to the longitudinal section 71, the second door carrying frame 312 completes the plugging movement, and the second sliding portion 421 of the second door carrying frame 312 moves away from the second door 721 along the longitudinal direction under the guiding action of the second longitudinal section 721, so as to further open the second door, and finally, opening the second vehicle door, and closing the second vehicle door in the opposite way.
In some examples, the first guiding portion 313 and the second guiding portion 313 may include a roller, and the roller rolls in the first plunger guide 71 or the second plunger guide 72 to guide the first door carrying frame 311 or the second door carrying frame 312, and the roller and the plunger guide 7 have a simple structure, a good guiding effect, and a small friction force, so that the structure of the door driving apparatus 10000 at this point has corresponding advantages.
In some embodiments, as shown in fig. 4 and 5, the link 32 may include: the portable door frame 31 comprises a link arm 323, a sleeve 321 and a collar 322, wherein the sleeve 321 is connected with one end of the link arm 323 and sleeved outside the guide rod 2, the sleeve 321 is in clearance fit with the guide rod 2, namely the sleeve 321 is arranged to realize the pivot fit of the guide rod 2 and the link arm 323, the collar 322 is connected with the other end of the link arm 323, the portable door frame 31 is provided with a connecting shaft 314, the collar 322 is sleeved outside the connecting shaft 314, the collar 322 is in clearance fit with the connecting shaft 314, namely the collar 322 is arranged to realize the pivot fit of the connecting rod 32 and the portable.
Therefore, when the door carrying frame 31 performs the plugging movement under the action of the plugging guide rail 7, the link arm 323 rotates relative to the guide rod 2, and the door carrying frame 31 rotates relative to the guide rod 2, so that the link 32 can drive the door carrying frame 31 to transversely extend out of the opening end of the accommodating space formed by the first horizontal plate 11, the second horizontal plate 12, the guide plate 14 and the two end plates 13, and further realize the plugging movement of the vehicle door.
in some embodiments, the guide rod 2 is cylindrical, and the sleeve 321 is in a circular tube shape, so that the guide rod 2 and the sleeve 321 are convenient to pivotally connect, and the matching form of the cylindrical guide rod 2 and the circular tube-shaped sleeve 321 is simple in structure, thereby facilitating production and assembly of the vehicle door driving device 100, and since the sleeve 321 is sleeved on the guide rod 2, the guide rod 2 and the sleeve 321 are assembled, so that the connecting area of the guide rod 2 and the sleeve 321 is large, the torsion resistance of the guide rod 2 and the sleeve 321 during connection is stronger, and the vehicle door driving device 100 can be ensured to be twisted around the transverse direction and the vertical direction.
In some embodiments, the two longitudinally opposite sides of the portal frame 31 are provided with the connecting shafts 314, two collars 322 are provided, the two collars 322 are arranged at a distance from each other in the longitudinal direction, and the two collars 322 correspond to the two connecting shafts 314 one to one, the two collars 322 and the two connecting shafts 314 are matched in a manner that not only the pivot matching of the portal frame 31 and the link arm 323 can be realized, but also the two collars 322 can limit the link arm 323, because the link arm 323 needs to drive the portal frame 31 to move longitudinally relative to the vehicle body, the two collars 322 are used for transmitting the driving force on the link arm 323 to the portal frame 31, and the two collars 322 can also play a role in enhancing the connecting strength of the link arm 323 and the portal frame 31, thereby enhancing the reliability of the structure at.
In other embodiments, as shown in fig. 6-9, the first link 33 and the second link 34 each include: a connecting seat 301, a connecting rod body 302 and a pin shaft 303, wherein the connecting seat 301 of the first connecting rod 33 is connected with the first rack 41, the connecting seat 301 of the second connecting rod 34 is connected with the second rack 42, so that the first rack 41 can drive the first connecting rod 33 and the second rack 42 to drive the second connecting rod 34, the first end of the connecting rod body 302 and the connecting seat 301 are both pivotally connected with the guide rod 2, the guide rod 2 can guide the first connecting rod 33 and the second connecting rod 34, the second end of the connecting rod body 302 of the first connecting rod 33 is pivotally connected with the first door carrier 411 through the pin shaft 303 of the first connecting rod 33, the second end of the connecting rod body 302 of the second connecting rod 34 is pivotally connected with the second door carrier 412 through the pin shaft 303 of the second connecting rod 34, so that when the first door carrier 411 and the second door carrier 412 perform a plugging and pulling motion, the connecting rod body 302 can rotate relative to the connecting seat 301 and the first door carrier 411, it is thereby achieved that the first and second racks 41, 42 may drive a longitudinal movement of the first and second gantry 411, 412 during a plugging movement of the first and second gantry 411, 412.
as fig. 6 to 9 show only the structure of the second link 34, the structure of the first link 33 is the same as that of the second link 34.
in some embodiments, as shown in fig. 6-9, the connecting seat 301 has two opposite lugs 3011, the first end of the link body 302 is located between the two lugs 3011, the first end of the link body 302 and the lugs 3011 both have through holes for sleeving the guide rods 2, the two lugs 3011 are arranged to connect the link body 302 with the connecting seat 301, and the two lugs 3011 can limit the longitudinal direction of the link body 302.
In some embodiments, as shown in fig. 7-9, the first link 33 and the second link 34 each include: the bearing 304, the pin shaft 303 is fixedly connected with the corresponding first door carrying frame 411 and the second door carrying frame 412, the bearing 304 is sleeved outside the pin shaft 303, the second end of the connecting rod body 302 is sleeved outside the bearing 304, the bearing 304 can be multiple, the multiple bearings 304 are arranged at intervals along the axial direction of the pin shaft 303, and the arrangement of the pin shaft 303 and the bearing 304 realizes the pivotable connection of the first connecting rod 33 relative to the first door carrying frame 411 and the second connecting rod 34 relative to the second door carrying frame 412.
The door assembly according to the invention, which comprises a door connected to the door carrying frame assembly 3 and the door drive according to the invention, has corresponding advantages by virtue of the door drive 100 according to the invention, and will not be described in detail here.
The rail vehicle according to the invention comprises a door assembly according to the invention, so that the advantages are the same and will not be described in detail here.
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.
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 (19)
1. A door drive for a rail vehicle, comprising:
The bracket is used for being connected with a vehicle body;
A guide rod mounted to the bracket and extending in a longitudinal direction;
A door carrying assembly, the door carrying assembly includes the connecting rod and is used for installing the door carrying frame of door, the door carrying frame with link to each other through guide sliding mechanism between the support, guide sliding mechanism has along the first portion of longitudinal extension and the second portion that extends along the second direction, the second direction has vertical and horizontal component, the one end of connecting rod with but the guide arm pivot ground links to each other, and can follow longitudinal sliding for the guide arm, the other end of connecting rod with but door carrying frame pivot ground links to each other.
2. a door drive arrangement for a rail vehicle as claimed in claim 1, wherein said door carrying assembly comprises a first door carrying assembly and a second door carrying assembly;
The first door carrying assembly comprises a first connecting rod and a first door carrying frame for mounting a first vehicle door;
The second door carrier assembly comprises a second link and a second door carrier for mounting a second vehicle door.
3. The door driving apparatus for a railway vehicle according to claim 2, further comprising:
the first rack is connected with the first door carrying frame, and the second rack is connected with the second door carrying frame;
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 gantry, the second gantry and the gear being connected to the drive unit.
4. The door drive device of a railway vehicle according to claim 3, 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.
5. a door drive apparatus for a railway vehicle according to claim 3, wherein the bracket is provided with a first slide groove and a second slide groove extending in the longitudinal direction, the first rack is provided with a first slide portion slidably connected to the first slide groove, and the second rack is provided with a second slide portion slidably connected to the second slide groove.
6. The door drive device of a railway vehicle as claimed in claim 5, wherein the first and second chutes are disposed at a vertical interval and have overlapping areas in projection on a horizontal plane.
7. The door drive device of a railway vehicle as claimed in claim 5, wherein the first sliding portion and the second sliding portion each include a plurality of portions arranged at intervals in a longitudinal direction.
8. The rail vehicle door drive apparatus of claim 5, wherein the bracket includes: first horizontal plate, second horizontal plate, deflector and two end plates, first horizontal plate the second horizontal plate sets up relatively and its normal is all along vertical, the last border of deflector with the inboard side of first horizontal plate links to each other, the lower border of deflector with the inboard side of second horizontal plate links to each other, the normal of deflector is along horizontal, first spout with the second spout is located the deflector, two the end plate is connected respectively first horizontal plate the both ends of second horizontal plate, the normal of end plate is along vertically, the both ends of guide arm respectively with two the end plate links to each other.
9. A door drive apparatus for a railway vehicle as claimed in claim 3, wherein when one of the first and second door carriers is coupled to the drive unit, the drive unit comprises: 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.
10. the door driving apparatus of a railway vehicle according to claim 3, wherein the driving unit, when the driving unit is connected to the gear, comprises: the driving motor is connected with the speed reducer, and the speed reducer is connected with the gear.
11. The door drive device of a railway vehicle according to any one of claims 3 to 10, characterized in that the first link and the second link each comprise:
The connecting seat of the first connecting rod is connected with the first rack, and the connecting seat of the second connecting rod is connected with the second rack;
The first end of the connecting rod body and the connecting seat are both pivotally connected with the guide rod;
The second end of the connecting rod body of the first connecting rod is pivotally connected with the first door carrying frame through the pin shaft of the first connecting rod, and the second end of the connecting rod body of the second connecting rod is pivotally connected with the second door carrying frame through the pin shaft of the second connecting rod.
12. The door driving device of a railway vehicle as claimed in claim 11, wherein the connecting seat has two lugs disposed oppositely, the first end of the link body is located between the two lugs, and the first end of the link body and the lugs each have a through hole for receiving the guide rod.
13. The door drive of a railway vehicle as claimed in claim 11, wherein the first link and the second link each comprise:
The hinge pin is fixedly connected with the first door carrying frame and the second door carrying frame correspondingly, the bearing sleeve is arranged outside the hinge pin, and the second end sleeve of the connecting rod body is arranged outside the bearing.
14. the door drive device of a railway vehicle according to any one of claims 1 to 10, wherein the guide slide mechanism includes a plug rail provided to the bracket and a guide portion provided to the door carrying frame; wherein
The stopper draws the guide rail including vertical section and stopper and draws the section, the one end of stopper draw the section with the one end of vertical section links to each other, vertical section is along longitudinal extension, the stopper draws the section to be followed the second direction extends, just the stopper draw the section from with one end that vertical section links to each other extends to the horizontal inboard slope of other end.
15. the door drive device of a railway vehicle according to any one of claims 1 to 10, characterized in that the link comprises:
A link arm;
The sleeve is connected with one end of the link arm and sleeved outside the guide rod, and the sleeve is in clearance fit with the guide rod;
The lantern ring, the lantern ring with the other end of pitman arm links to each other, the door carrying frame has the connecting axle, the lantern ring cover is established outside the connecting axle, the lantern ring with connecting axle clearance fit.
16. The rail vehicle door drive of claim 15, wherein the guide rod is cylindrical and the sleeve is tubular.
17. The door drive of a railway vehicle as claimed in claim 15, wherein the connecting shafts are provided on longitudinally opposite sides of the door carrier, the number of the collars is two, the collars are longitudinally oppositely spaced apart, and the collars correspond to the connecting shafts one to one.
18. A door assembly including a door and a door drive apparatus as claimed in any one of claims 1 to 17, said door being associated with said door carrying frame assembly.
19. a rail vehicle comprising the door assembly of claim 18.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810551274.8A CN110552579A (en) | 2018-05-31 | 2018-05-31 | Door drive arrangement and have its door assembly and rail vehicle of rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810551274.8A CN110552579A (en) | 2018-05-31 | 2018-05-31 | Door drive arrangement and have its door assembly and rail vehicle of rail vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110552579A true CN110552579A (en) | 2019-12-10 |
Family
ID=68733819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810551274.8A Pending CN110552579A (en) | 2018-05-31 | 2018-05-31 | Door drive arrangement and have its door assembly and rail vehicle of rail vehicle |
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| Country | Link |
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| CN (1) | CN110552579A (en) |
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| CN114482760A (en) * | 2020-11-13 | 2022-05-13 | 纳博特斯克有限公司 | Plug door device |
| CN115405184A (en) * | 2022-08-10 | 2022-11-29 | 吉林省泰浩轨道客车装备有限公司 | Stopper pull and locking mechanism |
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