CN112810642A - Sliding plug door bearing device, sliding plug door driving device and railway vehicle - Google Patents
Sliding plug door bearing device, sliding plug door driving device and railway vehicle Download PDFInfo
- Publication number
- CN112810642A CN112810642A CN201911051346.3A CN201911051346A CN112810642A CN 112810642 A CN112810642 A CN 112810642A CN 201911051346 A CN201911051346 A CN 201911051346A CN 112810642 A CN112810642 A CN 112810642A
- Authority
- CN
- China
- Prior art keywords
- door
- sliding plug
- carrying frame
- bearing beam
- roller
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- B61D19/008—Door arrangements specially adapted for rail vehicles characterised by the movements of the door both swinging and sliding
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Abstract
The invention relates to the technical field of sliding plug doors of railway vehicles, and discloses a sliding plug door bearing device, a sliding plug door driving device and a railway vehicle. The sliding plug door bearing device comprises a bearing beam and a supporting shaft, wherein the two ends of the supporting shaft penetrate through the bearing beam and are respectively and fixedly connected with bearing beam swing arms, the bearing beam swing arms can rotate relative to the vehicle body, the bearing beam and the supporting shaft can rotate relatively, and a left door moving unit used for connecting a left door carrying frame and a right door moving unit used for connecting a right door carrying frame are arranged on the bearing beam so as to drive the left door carrying frame and the right door carrying frame to move along the extending direction of the bearing beam. The carrier bar swing arm can swing under the drive of the supporting shaft, so that the carrier bar swing arm is consistent with the swing direction of the carrier bar, the sliding plug door can be opened and closed stably and reliably, and the reliability of the sliding plug door is enhanced.
Description
Technical Field
The invention relates to the technical field of sliding plug doors of railway vehicles, in particular to a sliding plug door bearing device, a sliding plug door driving device and a railway vehicle.
Background
When the sliding plug door of the railway vehicle is opened, the sliding plug door needs to move towards the outer side of the vehicle body firstly and then horizontally move so as to enable the two sliding plug doors to be far away from each other, and when the sliding plug door is closed, the sliding plug door needs to horizontally move so as to enable the two sliding plug doors to be close to each other and then move towards the inner side of the vehicle body firstly. With the continuous increase of the speed per hour of the rail vehicle, the requirement on the reliability of the sliding plug door is also increased.
The existing sliding plug door has insufficient reliability and cannot meet the requirement of the existing vehicle on high reliability of a vehicle door system.
Disclosure of Invention
The invention aims to provide a sliding plug door bearing device which is simple in structure and enables a sliding plug door to be opened stably and reliably.
In order to achieve the above object, the present invention provides a sliding plug door carrying device, comprising:
a load beam; the bearing beam is provided with a left door moving unit used for connecting a left door carrying frame and a right door moving unit used for connecting a right door carrying frame so as to drive the left door carrying frame and the right door carrying frame to move along the extending direction of the bearing beam, and rotating holes are formed at two ends of the bearing beam;
the both ends of back shaft pass change the hole and respectively fixedly connected with carrier bar swing arm, the carrier bar swing arm can for the automobile body rotates, the carrier bar with the back shaft can rotate relatively.
Through the technical scheme, because the back shaft both ends pass the commentaries on classics hole on the carrier bar respectively with carrier bar swing arm fixed connection, be provided with left door mobile unit and the right door mobile unit that is used for connecting left door-carrying frame and right door-carrying frame on the carrier bar, like this, carrier bar and carrier bar swing arm have not only been connected to the back shaft, the intensity of carrier bar has still been strengthened to a certain extent, thereby left door-carrying frame and right door-carrying frame setting intensity on the carrier bar have been increased, overall structure's intensity has been strengthened. When the sliding plug door bearing device is assembled on a vehicle body and the driving device drives the bearing beam to move outwards or inwards, the bearing beam swing arm can swing under the driving of the supporting shaft due to the fact that the two ends of the supporting shaft are fixedly connected with the bearing beam swing arm, so that the bearing beam swing arm is consistent with the swinging direction of the bearing beam, the sliding plug door can be opened and closed stably and reliably, and the reliability of the sliding plug door is enhanced.
Furthermore, the carrier bar comprises a bar body and carrier bar connecting frames, two carrier bar connecting frames are arranged and are respectively connected to two ends of the bar body, the left door moving unit and the right door moving unit are arranged on the bar body, the rotating hole is formed in the carrier bar connecting frames, and the supporting shaft penetrates through the rotating hole.
Furthermore, the bearing beam swing arm is provided with a polygonal positioning hole, the end part of the supporting shaft is provided with a polygonal positioning section, and the polygonal positioning section is matched in the polygonal positioning hole.
Further, at least one of the left door moving unit and the right door moving unit comprises a linear guide rail and a moving body, wherein the linear guide rail is arranged on the bearing beam, and the moving body and the linear guide rail form clamping positioning fit and can move on the linear guide rail.
Further, the left door moving unit includes a left linear guide and a left moving body; the right door moving unit includes a right linear guide and a right moving body, wherein,
the left linear guide rail and the right linear guide rail are arranged at intervals in the height direction of the bearing beam;
the left linear guide rail and the right linear guide rail are partially overlapped in the extending direction of the bearing beam;
the left movable body and the right movable body maintain a movement gap in a height direction of the load beam.
In addition, the invention provides a sliding plug door driving device which comprises a driving assembly, a left door carrying frame, a right door carrying frame and any sliding plug door bearing device, wherein the driving assembly is connected to a vehicle body and comprises two driving supports and two driving units, and the bearing beam swing arms at the two ends of the supporting shaft are respectively and rotatably arranged on the two driving supports;
the left door carrying frame is connected with the left door moving unit, and the right door carrying frame is connected with the right door moving unit;
the driving unit can drive the left door carrying frame and the right door carrying frame to move close to and away from each other along the extending direction of the bearing beam through the left door moving unit and the right door moving unit respectively.
Thus, in the actual use of the sliding plug door driving device, the left sliding plug door body and the right sliding plug door body can be respectively arranged on the left door carrying frame and the right door carrying frame, when the driving unit outputs the driving force to open the sliding plug door, the left sliding plug door body and the right sliding plug door body firstly move outwards and then move away in a translation way to open, and the closing is just opposite, as mentioned above, because the two ends of the supporting shaft penetrate through the bearing beam and are respectively and fixedly connected with the bearing beam swing arms, and the bearing beam is provided with the left door moving unit and the right door moving unit which are used for connecting the left door carrying frame and the right door carrying frame, thus, the supporting shaft not only connects the bearing beam and the bearing beam swing arms, but also enhances the strength of the bearing beam to a certain extent, thereby the strength of the left door carrying frame and the right door carrying frame arranged on the bearing beam is enhanced, the strength of the whole structure is enhanced, when the sliding plug door bearing device is assembled in, the sliding plug door driving device drives the carrier beam to move outwards or inwards, and meanwhile, the carrier beam swing arm can swing under the driving of the supporting shaft, so that the carrier beam swing arm is consistent with the swing direction of the carrier beam, the sliding plug door can be opened and closed stably and reliably, and the reliability of the sliding plug door is enhanced.
Furthermore, the driving assembly further comprises a cover body, the cover body is connected with the driving support, and a left door plug pull guide groove and a right door plug pull guide groove are formed in the inner side surface of the cover body; the left door stopper pulling guide groove and the right door stopper pulling guide groove respectively comprise an arc-shaped section and a horizontal extension section which are sequentially arranged from inside to outside in the length direction;
the left door carrying frame is provided with a left door stopper pull roller matched in the left door stopper pull guide groove;
the right door carrying frame is provided with a right door stopper pull roller matched in the right door stopper pull guide groove;
the driving unit is used for driving the left door carrying frame and the right door carrying frame to move along the left door stopper pull guide groove and the right door stopper pull guide groove respectively.
Furthermore, the cover body is provided with a hanging device, and the hanging device is used for connecting the cover body and the vehicle body.
Finally, the invention provides a rail vehicle, which comprises a vehicle body, a left sliding plug door body, a right sliding plug door body and any sliding plug door driving device, wherein the driving assembly is arranged on the vehicle body; the left stopper sliding door body is connected to the left door carrying frame, and the right stopper sliding door body is connected to the right door carrying frame.
Thus, as mentioned above, when the driving unit outputs the driving force to open the sliding plug door, the left sliding plug door body and the right sliding plug door body move outwards first and then move away from the sliding plug door body in a translation manner, and are opposite to each other when the sliding plug door is closed, as mentioned above, in the opening and closing process of the sliding plug door, because the two ends of the supporting shaft pass through the bearing beam and are respectively and fixedly connected with the bearing beam swing arm, and the bearing beam is provided with the left door moving unit and the right door moving unit which are used for connecting the left door carrying frame and the right door carrying frame, the supporting shaft not only connects the bearing beam and the bearing beam swing arm, but also strengthens the strength of the bearing beam to a certain extent, thereby increasing the strength of the left door carrying frame and the right door carrying frame which are arranged on the bearing beam, and strengthening the strength of the whole structure, when the sliding plug door bearing device is assembled on the vehicle body through the driving bracket, the sliding plug door driving device drives, the carrier bar swing arm can swing under the drive of the supporting shaft, so that the carrier bar swing arm is consistent with the swing direction of the carrier bar, the sliding plug door can be opened and closed stably and reliably, and the reliability of the sliding plug door is enhanced.
Furthermore, a left door lower swing arm and a right door lower swing arm are arranged on the vehicle body, and a first roller, a second roller, a third roller and an anti-falling column are arranged on each of the left door lower swing arm and the right door lower swing arm; the left sliding plug door body and the right sliding plug door body are both provided with lower sliding way pieces with lower sliding ways, and the lower sliding way pieces are provided with outer arc-shaped guide surfaces; first gyro wheel with the second gyro wheel is arranged the outside of glide slope, the third gyro wheel is arranged the inboard of glide slope, the anticreep post sets up the inboard of third gyro wheel, first gyro wheel with outer arc guide face contact just can roll out the follow outer arc guide face, so that the second gyro wheel with the third gyro wheel respectively with the lateral surface and the medial surface rolling contact of glide slope.
Drawings
FIG. 1 is a perspective view of a carrier for a sliding plug door in accordance with an embodiment of the present invention from one perspective;
FIG. 2 is a schematic view of a partial structure of a carrier for a sliding plug door according to an embodiment of the present invention;
fig. 3 is a partial structural schematic view of a sliding plug door driving device according to an embodiment of the present invention;
fig. 4 is another partial structural schematic view of a sliding plug door driving device according to an embodiment of the present invention;
FIG. 5 is a schematic view of a portion of a sliding plug door actuator according to an embodiment of the present invention;
fig. 6 is a schematic bottom view of a driving device for a sliding plug door according to an embodiment of the present invention;
FIG. 7 is a partial structural view of an exterior view of a rail vehicle according to an embodiment of the present invention;
FIG. 8 is a schematic view of the interior view of FIG. 7;
FIG. 9 is a perspective view of one perspective of the partial structure of FIG. 7;
fig. 10 is a perspective view of another perspective of fig. 9.
Description of the reference numerals
1-support shaft, 2-drive bracket, 3-carrier swing arm, 4-carrier, 5-beam, 6-carrier link, 7-polygonal positioning hole, 8-polygonal positioning section, 9-linear guide, 10-slider, 11-drive unit, 12-left carrier, 13-right carrier, 14-cover, 15-left door stopper guide slot, 16-right door stopper guide slot, 17-left door stopper roller, 18-right door stopper roller, 19-left stopper door body, 20-right stopper door body, 21-first roller, 22-second roller, 23-third roller, 24-left door lower swing arm, 25-right door lower swing arm, 26-anti-drop column, 27-lower slide member, 28-outer arc guide surface, 29-a sliding plug door closing in-place switch, 30-a sliding plug door driving device, 31-a screw rod, 32-a swing arm pin shaft, 33-a middle driving support, 34-a door body pressing device, 35-a left hanging structure, 36-a right hanging structure and 37-a middle hanging structure.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
Referring to the structures shown in fig. 1, 2 and 3, the sliding plug door bearing device provided by the invention comprises a support shaft 1 and a bearing beam 4, wherein the bearing beam 4 is connected with a vehicle body, rotating holes are formed at two ends of the bearing beam, two ends of the support shaft 1 penetrate through the rotating holes and are respectively and fixedly connected with a bearing beam swing arm 3, and the bearing beam swing arm 3 can rotate relative to the vehicle body; the bearing beam 4 and the supporting shaft 1 can rotate relatively; the carrier beam 4 is provided with a left door moving unit for connecting a left door carrying frame and a right door moving unit for connecting a right door carrying frame, so that the left door carrying frame and the right door carrying frame are driven to move along the extending direction of the carrier beam.
In the technical proposal, because the two ends of the supporting shaft pass through the carrier bar and are respectively and fixedly connected with the carrier bar swing arm, the carrier bar is provided with a left door moving unit and a right door moving unit which are used for connecting the left door carrying frame and the right door carrying frame, thus, the supporting shaft not only connects the bearing beam and the bearing beam swing arm, but also enhances the strength of the bearing beam to a certain extent, thereby increasing the strength of the left door carrying frame and the right door carrying frame arranged on the bearing beam, enhancing the strength of the whole structure, when the sliding plug door bearing device is assembled in the sliding plug door driving device, the sliding plug door driving device drives the bearing beam to move outwards or inwards, and meanwhile, the bearing beam swing arm can swing under the driving of the supporting shaft, therefore, the swing direction of the bearing beam swing arm is consistent with that of the bearing beam, the sliding plug door can be opened and closed stably and reliably, and the reliability of the sliding plug door is enhanced.
In the sliding plug door bearing device of the invention, the supporting shaft 1 can have various forms, for example, in one structural form, the supporting shaft 1 comprises two shaft sections which are arranged at intervals, one end of each shaft section is fixedly provided with a bearing beam swing arm 3, and the other end of each shaft section is rotatably arranged on a bearing beam 4. Or, the supporting shaft 1 is a single shaft, the two ends of the single shaft are respectively and fixedly provided with the bearing beam swing arms 3, and the bearing beam 4 and the single shaft can rotate relatively.
In addition, the distance between the carrier beam swing arms 3 at the two ends of the support shaft 1 can be adjusted, so that the axial position of the carrier beam swing arm 3 can be adjusted according to actual installation requirements by the sliding plug door bearing device, for example, the carrier beam swing arm 3 can be arranged on the support shaft 1 in an axially adjustable position, the carrier beam swing arm 3 is released when the position needs to be adjusted and is fixed again after being adjusted to a required position, or the support shaft 1 comprises a pipe section which is nested in multiple sections and can be fixed and positioned after being axially telescopically adjusted to a required axial length.
In addition, the load beam 4 may be rotatably fitted on the support shaft 1 over the entire axial length. In order to facilitate the swinging of the carrier beam 4 relative to the support shaft 1 and reduce the swinging friction, in the embodiment shown in fig. 2, the carrier beam 4 includes a beam body 5 and a carrier beam connecting frame 6, the carrier beam connecting frame 6 is provided with two and is respectively connected to two ends of the beam body 5, the left door moving unit and the right door moving unit are arranged on the beam body 5, the rotation hole is formed on the carrier beam connecting frame 6, and the support shaft 1 is arranged through the rotation hole. Thus, the carrier beam 4 is rotatably provided on the support shaft 1 only by the carrier beam attachment brackets 6 at both ends, and the beam body 5 maintains a swing gap with the support shaft 4, so that it is easier for the carrier beam 4 to swing with respect to the support shaft 1.
The supporting shaft 1 and the carrier beam swing arm 3 can be fixedly arranged through various structures to avoid relative rotation, for example, the end part of the supporting shaft 1 can be fixed by a positioning pin which penetrates through the hole wall and extends into the outer surface of the supporting shaft 1 after being inserted into the mounting hole of the carrier beam swing arm 3. It is also possible that, in the embodiment shown in fig. 2, for the convenience of assembly, the carrier swing arm 3 is provided with a polygonal positioning hole 7, for example, the carrier swing arm 3 may be bent by a plate to form the polygonal positioning hole 7, and the end of the support shaft 1 is provided with a polygonal positioning section 8, the polygonal positioning section 8 being fitted in the polygonal positioning hole 7, so that mutual rotation can be prevented while improving the stability of assembly by the fitting of such polygonal positioning hole and positioning section.
In some embodiments, as shown in fig. 1, the load beam 4 is provided with a sliding plug door close-in-place switch 29, and at least one of the left door moving unit and the right door moving unit can trigger the sliding plug door close-in-place switch 29 to send a sliding plug door close-in-place signal, so that the control unit of the sliding plug door driving device controls the motor to stop outputting the driving force after receiving the sliding plug door close-in-place signal.
In other embodiments, the left door moving unit and the right door moving unit may have various structural forms, for example, a roller and a wheel groove, the wheel groove is formed on the carrier beam, the roller can roll along the wheel groove, and the roller is provided with a roller frame for connecting with the carrier frame.
In the embodiment shown in fig. 1, at least one of the left door moving unit and the right door moving unit includes a linear guide rail and a moving body, wherein the linear guide rail is arranged on the load beam 4, and the moving body and the linear guide rail form a clamping positioning fit and can move on the linear guide rail. The moving body 4 may be a slider or may be replaced by a rolling body comprising a carriage on which rollers are provided to be clamped on both upper and lower sides of the linear guide, such that the carriage can be moved by rolling of the upper and lower rollers on both upper and lower sides of the linear guide, of course, the carriage is adapted to be connected to the door-carrying frame.
Further, as shown in fig. 1, the left door moving unit includes a left linear guide 9 and a left moving body; the right door moving unit comprises a right linear guide rail 9 and a right moving body, wherein the left linear guide rail 9 and the right linear guide rail 9 are arranged at intervals in the height direction of the bearing beam; the left linear guide 9 extends from one end of the load-bearing beam to cross the middle part of the load-bearing beam, and the right linear guide 9 extends from the other end of the load-bearing beam to cross the middle part of the load-bearing beam to form a spatial overlapping arrangement in the height direction of the load-bearing beam, namely, the left linear guide 9 and the right linear guide 9 are partially overlapped in the extending direction of the load-bearing beam; the left moving body and the right moving body maintain a moving gap in the height direction of the load beam. In this way, by such a spatial overlapping arrangement in the height direction of the carrying beams, the length of the load carrying device of the sliding plug door can be reduced, while it is easier for the sliding plug door to be able to remain closed more tightly when closed.
As described above, the moving body may be the slider 10. The number of slides 10 may be multiple, for example two shown slides 10 are arranged on the same linear guide 9 at intervals, so that the door carrier may be connected to two spaced slides 10, and the stability of the movement of the door carrier is improved. It will be appreciated that the number of sliders 10 may also be one.
In the embodiment shown in fig. 3 to 8, the invention provides a sliding plug door driving device 30, the sliding plug door driving device 30 comprises a driving assembly, a left door carrying frame, a right door carrying frame and the sliding plug door carrying device, wherein the driving assembly is connected to a vehicle body, the driving assembly comprises two driving brackets and two driving units, the two driving brackets are provided, and the two carrying beam swing arms 3 at the two ends of the supporting shaft 1 are respectively and rotatably arranged on the two driving brackets 2; the left door carrying frame 12 is connected with the left door moving unit, and the right door carrying frame 13 is connected with the right door moving unit; the drive unit 11 is capable of driving the left and right door carriers 12, 13 to be movable along the extension direction of the carrier beam 4 by the left and right door moving units, respectively, to approach and separate from each other.
Thus, in the actual use of the sliding plug door driving device, the left sliding plug door body and the right sliding plug door body can be respectively arranged on the left door carrying frame and the right door carrying frame, when the driving unit outputs driving force to open the sliding plug door, the left sliding plug door body and the right sliding plug door body firstly move outwards and then move away in a translation mode to be opened, and the closing is just opposite, as above, in the opening and closing process of the sliding plug door, because the two ends of the supporting shaft penetrate through the bearing beam and are respectively and fixedly connected with the bearing beam swing arms, and the bearing beam is provided with the left door moving unit and the right door moving unit which are used for connecting the left door carrying frame and the right door carrying frame, thus, the supporting shaft not only connects the bearing beam and the bearing beam swing arms, but also strengthens the strength of the bearing beam to a certain degree, thereby increasing the strength of the left door carrying frame and the right door carrying frame arranged on the bearing beam, strengthening the strength of the whole structure, when the sliding plug door bearing device, the sliding plug door driving device drives the carrier beam to move outwards or inwards, and meanwhile, the carrier beam swing arm can swing under the driving of the supporting shaft, so that the carrier beam swing arm is consistent with the swing direction of the carrier beam, the sliding plug door can be opened and closed stably and reliably, and the reliability of the sliding plug door is enhanced.
Further, in the embodiment shown in fig. 4 and 5, the driving assembly of the sliding plug door driving device includes a cover 14, the cover 14 is connected to the driving bracket 2, and a left sliding plug guide groove 15 and a right sliding plug guide groove 16 are provided on the inner side surface of the cover 14; the left door stopper sliding guide groove 15 and the right door stopper sliding guide groove 16 respectively comprise an arc-shaped section and a horizontal extension section which are sequentially arranged from inside to outside in the length direction; the left door carrying frame 12 is provided with a left door stopper pull roller 17 matched in the left door stopper pull guide groove 15; a right door stopper pulling roller 18 matched in the right door stopper pulling guide groove 16 is arranged on the right door carrying frame 13; the drive unit is used for driving the left door carrying frame 12 and the right door carrying frame 13 to move along the left door plug guide groove 15 and the right door plug guide groove 16 respectively. In this way, when the drive unit 11 outputs the driving force to the left and right door carriers 12 and 13 through the power transmission structure, the respective plunger rollers of the left and right door carriers 12 and 13 will move along the respective corresponding plunger guide grooves to change the movement trajectories of the left and right door carriers 12 and 13, so that the plunger can move to open and close according to a predetermined movement trajectory.
In the sliding plug door driving device of the invention, the position of the cover body 14 can have various forms, but it should be understood that the cover body 14 can be arranged in any way as long as the requirement that the inner side surface of the cover body 14 is provided with a left sliding plug guide groove 15 and a right sliding plug guide groove 16 which extend along the motion track of the sliding plug door and the left door carrying frame 12 is provided with a left sliding plug roller 17 which is matched in the left sliding plug guide groove 15 can be met; the right door carrying frame 13 is provided with a right door plug pull roller 18' matched in the right door plug pull guide groove 16.
In the embodiment shown in fig. 3-6, the two ends of the cover 14 are connected to the driving brackets 2 at the two ends of the driving assembly, respectively, and are connected to the vehicle body.
The power transmission structure may have various structural forms, and whichever structural form is adopted, it is only necessary to be able to drive the left door carrying frame 12 and the right door carrying frame 13 to move away from and close to each other. For example, the power transmission structure includes a rack and pinion transmission unit, or as shown in fig. 6, the power transmission structure may also be a screw nut structure, the screw 31 includes an active screw and a passive screw, the active screw is connected with the motor, for example, through a gear set, the passive screw is connected with the active screw and has an opposite rotation direction, the left door carrying frame 12 and the right door carrying frame 13 are respectively provided with nuts respectively connected with the active screw and the passive screw, so that when the motor drives the active screw to rotate, the left door carrying frame 12 and the right door carrying frame 13 are driven to be away from and close to each other.
Further, in one embodiment, as shown in figure 4, the drive assembly includes an intermediate drive support 33, for example, the intermediate drive support 33 has a through-hole formed therein, the drive screw and the driven screw both pass through the through-hole in the intermediate drive support 33, the intermediate drive support 33 is attached to the enclosure 14, and the left and right door carriers 12, 13 are disposed on opposite sides of the intermediate drive support 33, i.e., the intermediate drive support 33 provides support to the screw 31 at an intermediate position to provide smoother movement of the left and right door carriers 12, 13 on the screw during movement away from and towards each other.
Further, the present invention provides a railway vehicle, such as a subway or a tram, which includes a vehicle body (not shown), a left plug door body 19, a right plug door body 20, and the above-described plug door driving device 30, as shown in fig. 7 and 8, wherein the driving assembly is mounted on the vehicle body; the left sliding plug door body 19 is connected to the left door carrying frame 12, and the right sliding plug door body 20 is connected to the right door carrying frame 13.
Thus, when the driving unit outputs driving force to open the sliding plug door, the left sliding plug door body and the right sliding plug door body move outwards firstly and then move away in a translation manner to open, and the opening and the closing are opposite, in the opening and the closing process of the sliding plug door, as the two ends of the supporting shaft penetrate through the bearing beam and are fixedly connected with the bearing beam swing arm respectively, and the bearing beam is provided with the left door moving unit and the right door moving unit which are used for connecting the left door carrying frame and the right door carrying frame, the supporting shaft not only connects the bearing beam with the bearing beam swing arm, but also strengthens the strength of the bearing beam to a certain extent, thereby increasing the strength of the left door carrying frame and the right door carrying frame arranged on the bearing beam, strengthening the strength of the whole structure, when the sliding plug door bearing device is assembled in the sliding plug door driving device, the sliding plug door driving device drives the bearing beam to move outwards or inwards, and meanwhile, the bearing beam swing arm can swing under the driving of the supporting shaft, therefore, the swing direction of the bearing beam swing arm is consistent with that of the bearing beam, the sliding plug door can be opened and closed stably and reliably, and the reliability of the sliding plug door is enhanced.
In addition, in order to improve the smoothness of the opening and closing movement of the left and right plug door bodies 19 and 20, it is preferable that a swing arm supporting device is provided between the lower sides of the left and right plug door bodies 19 and 20 and the vehicle body, and the swing arm supporting device can move along the opening and closing movement path of the left and right plug door bodies 19 and 20 to assist the left and right plug door bodies 19 and 20 in moving and supporting.
For example, as shown in fig. 8-10, the swing arm supporting device may be: the vehicle body is provided with a left door lower swing arm 24 and a right door lower swing arm 25, and the left door lower swing arm 24 and the right door lower swing arm 25 are respectively provided with a first roller 21, a second roller 22, a third roller 23 and an anti-falling column 26; the left and right stopper sliding door bodies 19 and 20 are respectively provided with a lower sliding rail member 27 having a lower sliding rail, the lower sliding rail member 27 has an outer arc-shaped guide surface 28, for example, the lower sliding rail member 27 may be an L-shaped plate member, an end of the L-shaped plate member may be formed with an arc-shaped guide member, and an outer surface of the outer arc-shaped guide member is formed as the outer arc-shaped guide surface 28; wherein the first roller 21 and the second roller 22 are disposed on the outside of the glideslope and the third roller 23 is disposed on the inside of the glideslope, e.g., the second roller 22 and the third roller 23 may be disposed on the outside and inside of the glideslope (i.e., the outside surface and the corresponding inside surface of the glideslope member) in a position opposite to each other, with the first roller 21 contacting the outer arcuate guide surface 28 when the left and right chock door bodies 19, 20 are in the closed position; during the opening process of the left and right stopper sliding door bodies 19 and 20 from the closed position, the first roller 21 rolls along the outer arc-shaped guide surface 28 and can roll out of the outer arc-shaped guide surface 28, so that the second roller 22 and the third roller 23 are respectively in rolling contact with the outer side surface and the inner side surface of the lower slideway. The anticreep post 26 sets up the inboard at the third gyro wheel and can prevent that third gyro wheel 23 from breaking away from to providing the restraint to door body and lower swing arm, avoiding the door body from lower chute and gyro wheel breaking away from, like this, the in-process that the left stopper sliding door body 19 and the right stopper sliding door body 20 removed the switching, gyro wheel and lower chute cooperation promote the stationarity that the left stopper sliding door body 19 and the right stopper sliding door body 20 removed the switching.
The first roller 21, the second roller 22 and the third roller 23 can be connected to the support plate of the lower swing arm through studs on the respective wheel frames.
In addition, in one embodiment, as shown in fig. 8, the left and right stopper door bodies 19 and 20 are respectively provided with a door body pressing device 34. Therefore, after the left sliding plug door body 19 and the right sliding plug door body 20 are closed, for example, a door body pressing device such as a pressing wheel assembly arranged near a vehicle body sealing frame respectively limits the Z direction of the left sliding plug door body 19 and the Z direction of the right sliding plug door body 20, so that the Z direction and the Y direction are more stable after the left sliding plug door body 19 and the right sliding plug door body 20 are closed, and the locking is more reliable.
In the embodiment shown in fig. 7, the cover 14 is provided with a hanging device to connect the cover 14 to the vehicle body, wherein the hanging device includes a left hanging structure 35, a right hanging structure 36 and a middle hanging structure 37, and the left hanging structure 35, the right hanging structure 36 and the middle hanging structure 37 are distributed at intervals along the direction of the carrier beam 4, so that the sliding plug door driving device can be stably arranged on the vehicle body, and the structural strength is uniformly distributed.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (10)
1. A sliding plug door carrier, comprising:
the bearing beam (4) is connected with the vehicle body, a left door moving unit used for being connected with a left door carrying frame and a right door moving unit used for being connected with a right door carrying frame are arranged on the bearing beam (4) so as to drive the left door carrying frame and the right door carrying frame to move along the extending direction of the bearing beam, and rotating holes are formed at two ends of the bearing beam;
the two ends of the supporting shaft (1) penetrate through the rotating holes and are respectively and fixedly connected with a bearing beam swing arm (3), and the bearing beam swing arm (3) can rotate relative to the vehicle body;
the bearing beam (4) and the supporting shaft (1) can rotate relatively.
2. The sliding plug door carrying device according to claim 1, wherein the carrying beam (4) comprises a beam body (5) and a carrying beam connecting frame (6), the carrying beam connecting frame (6) is provided with two and respectively connected to two ends of the beam body (5), the left door moving unit and the right door moving unit are arranged on the beam body (5), the rotation hole is formed on the carrying beam connecting frame (6), and the supporting shaft (1) is arranged through the rotation hole.
3. The sliding plug door carrying device according to claim 1 or 2, wherein the carrying beam swing arm (3) is provided with a polygonal positioning hole (7), the end of the supporting shaft (1) is provided with a polygonal positioning section (8), and the polygonal positioning section (8) is fitted in the polygonal positioning hole (7).
4. The sliding plug door carrier according to claim 1, characterized in that at least one of the left door moving unit and the right door moving unit comprises a linear guide and a moving body, wherein the linear guide is arranged on the carrier beam (4), and the moving body and the linear guide form a snap fit and are movable on the linear guide.
5. The sliding plug door carrying device according to claim 4, wherein the left door moving unit includes a left linear guide (9) and a left moving body; the right door moving unit includes a right linear guide (9) and a right moving body, wherein,
the left linear guide rail (9) and the right linear guide rail (9) are arranged at intervals in the height direction of the bearing beam;
the left linear guide rail (9) and the right linear guide rail (9) are partially overlapped in the extending direction of the bearing beam;
the left movable body and the right movable body maintain a movement gap in a height direction of the load beam.
6. A plug door drive arrangement comprising a drive assembly, a left door carrier, a right door carrier and a plug door carrier as claimed in any one of claims 1 to 5, the drive assembly being connected to a vehicle body;
the driving assembly comprises two driving supports and two driving units, and the bearing beam swing arms (3) at the two ends of the supporting shaft (1) are respectively rotatably arranged on the two driving supports (2);
the left door carrying frame (12) is connected with the left door moving unit, and the right door carrying frame (13) is connected with the right door moving unit;
the driving unit (11) can drive the left door carrying frame (12) and the right door carrying frame (13) to move close to and away from each other along the extending direction of the bearing beam (4) through the left door moving unit and the right door moving unit respectively.
7. The sliding door drive arrangement according to claim 6, characterized in that the drive assembly further comprises a cover (14), the cover (14) being connected to the drive bracket (2), the cover (14) being provided on its inner side with a left sliding door guide slot (15) and a right sliding door guide slot (16); the left door plug pull guide groove (15) and the right door plug pull guide groove (16) respectively comprise an arc-shaped section and a horizontal extension section which are sequentially arranged from inside to outside in the length direction;
a left door stopper pulling roller (17) matched in the left door stopper pulling guide groove (15) is arranged on the left door carrying frame (12);
a right door plug pull roller (18) matched in the right door plug pull guide groove (16) is arranged on the right door carrying frame (13);
the driving unit is used for driving the left door carrying frame (12) and the right door carrying frame (13) to move along the left door stopper pull guide groove (15) and the right door stopper pull guide groove (16) respectively.
8. The sliding plug door drive according to claim 7, characterized in that the cover (14) is provided with hanging means for connecting the cover (14) to the vehicle body.
9. A rail vehicle, characterized by comprising a vehicle body, a left plug door body (19), a right plug door body (20) and a plug door drive device (30) according to any one of claims 6 to 8,
the driving assembly is mounted on the vehicle body;
the left sliding plug door body (19) is connected to the left door carrying frame (12), and the right sliding plug door body (20) is connected to the right door carrying frame (13).
10. The rail vehicle as claimed in claim 9, wherein the vehicle body is provided with a left door lower swing arm (24) and a right door lower swing arm (25), and the left door lower swing arm (24) and the right door lower swing arm (25) are respectively provided with a first roller (21), a second roller (22), a third roller (23) and an anti-drop column (26);
the left sliding plug door body (19) and the right sliding plug door body (20) are respectively provided with a lower sliding rail piece (27) with a lower sliding rail, and the lower sliding rail pieces (27) are provided with outer arc-shaped guide surfaces (28);
the first roller (21) and the second roller (22) are arranged on the outer side of the glidepath, the third roller (23) is arranged on the inner side of the glidepath, and the anti-falling column (26) is arranged on the inner side of the third roller (23);
the first roller (21) is in contact with the outer arc-shaped guide surface (28) and can roll out of the outer arc-shaped guide surface (28) along the outer arc-shaped guide surface (28) so that the second roller (22) and the third roller (23) are in rolling contact with the outer side surface and the inner side surface of the glidepath respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911051346.3A CN112810642B (en) | 2019-10-31 | 2019-10-31 | Sliding plug door bearing device, sliding plug door driving device and railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911051346.3A CN112810642B (en) | 2019-10-31 | 2019-10-31 | Sliding plug door bearing device, sliding plug door driving device and railway vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112810642A true CN112810642A (en) | 2021-05-18 |
| CN112810642B CN112810642B (en) | 2022-08-09 |
Family
ID=75851518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911051346.3A Active CN112810642B (en) | 2019-10-31 | 2019-10-31 | Sliding plug door bearing device, sliding plug door driving device and railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112810642B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115354925A (en) * | 2022-08-10 | 2022-11-18 | 江苏常宁电子有限公司 | Be used for public bus stopper sliding door pneumatic type locking structure |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001085518A1 (en) * | 2000-05-06 | 2001-11-15 | Gebr. Bode Gmbh & Co. Kg | Double-leafed swing-plug door for people-carrying vehicles |
| DE202004002908U1 (en) * | 2004-02-25 | 2004-05-06 | Gebr. Bode Gmbh & Co. Kg | Device for locking a pivoting sliding door for vehicles for the transport of people, in particular vehicles for local public transport |
| CN104695796A (en) * | 2015-03-09 | 2015-06-10 | 法中轨道交通运输设备(上海)有限公司 | Swing type sliding plug door mechanism |
| CN205713631U (en) * | 2016-03-14 | 2016-11-23 | 林会明 | The drive mechanism of a kind of stopping sliding door and stopping sliding door |
| CN106193871A (en) * | 2016-08-26 | 2016-12-07 | 林会明 | A kind of rack pinion and chaindriven Pneumatic plug door |
| CN107191089A (en) * | 2016-03-14 | 2017-09-22 | 林会明 | The drive mechanism and stopping sliding door of a kind of Pneumatic plug door |
| CN107724853A (en) * | 2017-10-31 | 2018-02-23 | 南京康尼机电股份有限公司 | Car door load carrier |
| TW201932698A (en) * | 2018-01-30 | 2019-08-16 | 日商納博特斯克股份有限公司 | Plug door device |
-
2019
- 2019-10-31 CN CN201911051346.3A patent/CN112810642B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001085518A1 (en) * | 2000-05-06 | 2001-11-15 | Gebr. Bode Gmbh & Co. Kg | Double-leafed swing-plug door for people-carrying vehicles |
| DE202004002908U1 (en) * | 2004-02-25 | 2004-05-06 | Gebr. Bode Gmbh & Co. Kg | Device for locking a pivoting sliding door for vehicles for the transport of people, in particular vehicles for local public transport |
| CN104695796A (en) * | 2015-03-09 | 2015-06-10 | 法中轨道交通运输设备(上海)有限公司 | Swing type sliding plug door mechanism |
| CN205713631U (en) * | 2016-03-14 | 2016-11-23 | 林会明 | The drive mechanism of a kind of stopping sliding door and stopping sliding door |
| CN107191089A (en) * | 2016-03-14 | 2017-09-22 | 林会明 | The drive mechanism and stopping sliding door of a kind of Pneumatic plug door |
| CN106193871A (en) * | 2016-08-26 | 2016-12-07 | 林会明 | A kind of rack pinion and chaindriven Pneumatic plug door |
| CN107724853A (en) * | 2017-10-31 | 2018-02-23 | 南京康尼机电股份有限公司 | Car door load carrier |
| TW201932698A (en) * | 2018-01-30 | 2019-08-16 | 日商納博特斯克股份有限公司 | Plug door device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115354925A (en) * | 2022-08-10 | 2022-11-18 | 江苏常宁电子有限公司 | Be used for public bus stopper sliding door pneumatic type locking structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112810642B (en) | 2022-08-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3728819A (en) | Vehicle doors | |
| US10119319B2 (en) | Door drive device for a door of a wagon | |
| CN107524368B (en) | Bearing driving mechanism for rail vehicle door system | |
| US10994752B2 (en) | Lock mechanism for improved door panel seal | |
| CN112810642B (en) | Sliding plug door bearing device, sliding plug door driving device and railway vehicle | |
| US6286261B1 (en) | Vehicle sliding door track and guide elements | |
| CN110723168B (en) | Translation rail transfer mechanism | |
| CN105438187B (en) | A kind of anti-collision structure of rail traffic platform safety tread | |
| CN210554815U (en) | To opening door equipment and car | |
| US20230392424A1 (en) | Linear guide without guide rail | |
| CN104918724A (en) | Horizontal strip accumulator with slim strip supporting carriages and passive central hooking system | |
| CN111335771B (en) | Double-brake lead screw electric door transmission mechanism | |
| CN205292629U (en) | Collision avoiding structure of safety footboard of rail transit platform | |
| CN111989454B (en) | Window or door with movable leaf and drive | |
| CN113147814A (en) | Large-opening sliding plug door system | |
| CN212867271U (en) | Electric device for split sliding plug door of passenger car | |
| CN220705480U (en) | Derailment prevention device | |
| CN219061373U (en) | Prison AB gate with upper bearing and electric translation | |
| CN213234628U (en) | Rotary upright column door plate locking device | |
| CN213734959U (en) | Platform door anti-pinch device | |
| CN116062015B (en) | Conveyer is used in processing of car door plant | |
| CN113724554B (en) | Automobile impact simulation experience system | |
| CN211995544U (en) | Bottom support mechanism for rail transit platform door | |
| CN220551003U (en) | Sliding plug door driving mechanism | |
| CN212295815U (en) | Intelligent outdoor parking room |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |