CN109969206A - Front end switching mechanism used for rail vehicle and the rail vehicle with it - Google Patents
Front end switching mechanism used for rail vehicle and the rail vehicle with it Download PDFInfo
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- CN109969206A CN109969206A CN201711463985.1A CN201711463985A CN109969206A CN 109969206 A CN109969206 A CN 109969206A CN 201711463985 A CN201711463985 A CN 201711463985A CN 109969206 A CN109969206 A CN 109969206A
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- swing arm
- shield
- head
- switching mechanism
- rail vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
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- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a kind of front end switching mechanism used for rail vehicle and with its rail vehicle, switching mechanism includes the first head-shield, the second head-shield, bracket, the first swing arm set, driving member and driving assembly, and the first head-shield and the second head-shield are convertible between closed state and opening state；Bracket includes support plate；First swing arm set includes the first swing arm and the second swing arm, and the first swing arm is connected with the first head-shield and is rotationally connected with support plate, and the second swing arm is connected with the second head-shield and is rotationally connected with support plate；Driving member be connected respectively with the first swing arm and the second swing arm for make the first swing arm and the second swing arm it is synchronous and reversely rotate；Driving assembly includes that mutual telescopic first part and second part, first part are connected with bracket, and second part is connected to drive rotation with one in the first swing arm and the second swing arm.The switching mechanism of the embodiment of the present invention, it can be achieved that the first head-shield and the second head-shield opening and closing, structure is simple, and driving moment is big, light-weight.
Description
Technical field
The present invention relates to rail vehicle field more particularly to a kind of front end switching mechanism used for rail vehicle and with its rail
Road vehicle.
Background technique
The front end of rail vehicle is typically provided switching mechanism, and there are two capouch to be opened/closed for switching mechanism tool.The relevant technologies
In switching mechanism, be equipped with rack gear and space four-links, driven using cylinder, utilize rack-and-pinion realize transmission, drive space
The on-off action of double leval jib realization capouch.
But on the fixed support saddle frame in orbit of the power source of above-mentioned switching mechanism, connecting rod acts on the power in swing arm
Square is smaller, moreover, two supporting mechanisms are provided in order to avoid each components since self weight moves down, in order to avoid interfering,
The empty avoiding of opposite swing arm fulcrum is also designed, structure is complicated, and adjustment requires high, heavier-weight, and space layout reasonability is poor,
Stability is poor, and it is very inconvenient to operate.
Summary of the invention
The present invention is directed to solve one of above-mentioned technical problem at least to a certain extent.
For this purpose, the present invention proposes that a kind of front end switching mechanism used for rail vehicle, the switching mechanism can easily make first
Head-shield and the second head-shield switch between the state mutually closed up and be mutually unfolded, and simple, space layout is closed with structure
Reason, the advantages that driving moment is big, stability is good.
The invention also provides a kind of rail vehicles with above-mentioned switching mechanism.
Front end switching mechanism used for rail vehicle according to an embodiment of the present invention, including the first head-shield, the second head-shield, bracket,
First swing arm set, driving member and driving assembly, first head-shield and second head-shield in the closed state mutually closed up and
It is convertible between the opening state being mutually unfolded；The bracket includes support plate；First swing arm set include the first swing arm and
Second swing arm, first swing arm are connected with first head-shield and are rotationally connected with the support plate, second pendulum
Arm is connected with second head-shield and is rotationally connected with the support plate；The driving member respectively with first swing arm and
Second swing arm is connected for keeping first swing arm synchronous with second swing arm and reversely rotating；The driving component packet
It includes mutual telescopic first part and second part, the first part of the driving component is connected with the bracket, and is described
The second part of driving assembly is connected with one in first swing arm and second swing arm, to drive first swing arm
It is rotated with second swing arm.
Front end switching mechanism used for rail vehicle according to an embodiment of the present invention, by the way that mutually telescopic first part is arranged
And second part, first part is connected with bracket, second part is connected with the first swing arm, and by driving member respectively with first
Swing arm is connected with the second swing arm, provides driving force using driving assembly for the first swing arm set, while being driven using driving member, can be with
Keep the first swing arm synchronous with the second swing arm and reversely rotate, so that synchronizing the first head-shield and the second head-shield closes up or synchronize exhibition
It opens, realizes the switching of the first head-shield and the second head-shield between closed state and opening state, structure is simple, can reduce processing
And resetting difficulty, and the torque acted in the first swing arm set is larger, can also mitigate weight.
In addition, front end switching mechanism used for rail vehicle according to an embodiment of the present invention, can also have following additional skill
Art feature:
According to some embodiments of the present invention, the support plate is equipped with: first sliding groove, and the first sliding groove is with described
It is arc-shaped centered on the rotation axis of first swing arm；Second sliding slot, the second sliding slot are with the rotation of second swing arm
It is arc-shaped centered on axis, wherein first swing arm is equipped with the first roller bearing, and second swing arm is equipped with the second rolling
Axis, first roller bearing protrude into the first sliding groove and removable along the first sliding groove, and second roller bearing protrudes into described the
Two sliding slots and along the second sliding slot slidably.
According to some embodiments of the present invention, the support plate is equipped at least one along the thickness direction of the support plate
The through slot of perforation.
Optionally, the support plate is cut by thin plate.
According to some embodiments of the present invention, the driving component further include: rotary shaft, the rotary shaft and described first
Part and second part in a screw-driven, and the rotary shaft with it is another in the first part and the second part
One is rotatably coupled and relative position is fixed；Actuator, the actuator are connected to drive the rotation with the rotary shaft
Shaft rotation.
Optionally, the actuator is motor, and the motor is installed in the support plate.
Optionally, the actuator is handle, and the handle passes through universal joint and/or flexible axle phase with the drive shaft
Even.
According to some embodiments of the present invention, the second part of the driving component connects first swing arm and is located at institute
It states between the rotation axis of the first swing arm and first head-shield.
According to some embodiments of the present invention, first swing arm from its rotation axis to the first head-shield part with
Second swing arm is from its rotation axis to the partial intersection the second head-shield.
According to some embodiments of the present invention, the switching mechanism further include: at least one second swing arm set, described second
Swing arm set includes third swing arm and the 4th swing arm, the third swing arm be connected with first head-shield and rotationally with the branch
Frame is connected, and the 4th swing arm is connected with second head-shield and is rotationally connected with the bracket, wherein the third pendulum
Arm and the first swing arm corotation shaft, the 4th swing arm and the second swing arm corotation shaft.
According to some embodiments of the present invention, the driving member includes: first gear, the first gear and described first
Swing arm is coaxially affixed；Second gear, the second gear and second swing arm are coaxially affixed, and the first gear and described
Second gear external toothing.
Optionally, the first gear and the second gear are sector gear.
Rail vehicle according to an embodiment of the present invention, including front end used for rail vehicle according to the above embodiment of the present invention are opened
Close mechanism.
Rail vehicle according to an embodiment of the present invention, by be arranged it is according to the above embodiment of the present invention it is used for rail vehicle before
Switching mechanism is held, can simplify structure, optimizes space layout, is convenient for operation and stability is good.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is solid of the front end switching mechanism used for rail vehicle in closed state according to some embodiments of the invention
Figure；
The top view of Fig. 2 switching mechanism shown in FIG. 1；
Fig. 3 is solid of the front end switching mechanism used for rail vehicle of other embodiments according to the present invention in closed state
Figure；
The top view of Fig. 4 switching mechanism shown in Fig. 3；
Fig. 5 is the schematic diagram of the part-structure of switching mechanism according to an embodiment of the present invention；
Fig. 6 is the schematic diagram of the part-structure of switching mechanism according to an embodiment of the present invention；
Fig. 7 is perspective view of the switching mechanism of still other embodiments according to the present invention in closed state；
Fig. 8 is the perspective view of switching mechanism shown in Fig. 7 in the open mode；
Fig. 9 is perspective view of the switching mechanism according to an embodiment of the invention in closed state；
Figure 10 is the bottom view of switching mechanism shown in Fig. 9.
Appended drawing reference:
100: switching mechanism；
11: the first head-shields；12: the second head-shields；
2: bracket；201: support plate；21: first sliding groove；22: second sliding slot；23: through slot；
3: swing arm set；
301: the first swing arm sets；31: the first swing arms；32: the second swing arms；
311: the first roller bearings；321: the second roller bearings；322: idler wheel；
302: the second swing arm sets；33: third swing arm；34: the four swing arms；
4: driving assembly；41: first part；42: second part；43: rotary shaft；44: actuator；45: flexible axle；
5: driving member；51: first gear；52: second gear.
Specific embodiment
In rail vehicle, switching mechanism is located at front end, wherein two capouch can be in the closed state and phase mutually closed up
Switch before the opening state being mutually unfolded, it, can be by two capouch in the docking of two section rail vehicles or when vehicle parking is repaired
Mutually expansion, to expose the hitch of rail vehicle front end setting；It when the rail vehicle is in normal operation, can be mutual by two capouch
Close up, hitch is hidden in rail vehicle, improves whole aesthetics.
Front end switching mechanism used for rail vehicle in the related technology is equipped with gear and rack teeth mechanism and space four bar linkage mechanism,
Wherein, using cylinder as power source, cylinder is fixed on support saddle frame in orbit, and cylinder drive rack is mobile, rack drives
Gear drive realizes the on-off action of two capouch to rotate using rack drives space four bar linkage mechanism.
However, in the switching mechanism of above structure, on the fixed support saddle frame in orbit of power source (i.e. above-mentioned cylinder),
Two connecting rods on support saddle frame push and pull the swing arm of the left and right sides respectively to make two capouch complete on-off action, beat in switching mechanism
When opening, to design with the direct empty avoiding of opposite swing arm and avoid that Xiang Hu Gan Wataru occurs, it is also necessary to which the portions such as the guide rail of limit are set
Part, to limit the rotational angle of swing arm, structure is complicated, heavier-weight, and processing and assembly difficulty are larger.Moreover, swing arm setting exists
The top of support plate on carrier base, setting fulcrum slides in the support plate on carrier base in swing arm, rubs larger.In addition,
In the switching mechanism of above structure, connecting rod acts on that the torque in swing arm is smaller, and stability and reliability are poor, if using more
Big torque needs to lengthen the length of switching mechanism in the longitudinal direction, and needs the motor of bigger stroke, also results in whole
Body weight is further aggravated.
For this purpose, the present invention provides a kind of front end switching mechanisms 100 used for rail vehicle.
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar component or component with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Front end switching mechanism 100 used for rail vehicle according to an embodiment of the present invention is described with reference to the accompanying drawings.Wherein, in order to
Convenient for describing and understanding, up and down direction, front-rear direction and left and right directions are described by taking the direction of diagram as an example respectively, hereafter
In description, front end switching mechanism 100 used for rail vehicle is referred to as switching mechanism 100.
According to some embodiments of the present invention, in conjunction with shown in Fig. 1-Figure 10, switching mechanism 100 includes: the first head-shield 11,
Two head-shields 12, bracket 2, two swing arm sets 3 and drive assembly.First head-shield 11 and the second head-shield 12 can be in left-right direction in phases
Switch between the closed state mutually closed up and the opening state being mutually unfolded, bracket 2 can be located at the first head-shield 11 and second
The rear portion of cover 12, bracket 2 include support plate 201.
In example as shown in figures 1 and 3, two swing arm sets 3 are illustrated as the first swing arm set 301 and the second swing arm set
302, the first swing arm set 301 and the second swing arm set 302 vertically arranged for interval, as shown in Figure 9 and Figure 10, each swing arm set 3 can
To include the first swing arm 31 and the second swing arm 32, wherein the first swing arm 31 can be connected with the first head-shield 11, and the first swing arm 31 can turn
Dynamic ground is connected with bracket 2, and the first swing arm 31 can drive the first head-shield 11 to rotate when rotating, the second swing arm 32 can be with the second head-shield
12 are connected, and the second swing arm 32 is rotationally connected with bracket 2, and the second swing arm 32 can drive the second head-shield 12 to rotate when rotating.
Further, the first swing arm 31 is rotationally connected with support plate 201, the second swing arm 32 rotationally with support plate
201 are connected, and the first swing arm 31 and the second swing arm 32 can be distributed in the two sides up and down of support plate 201.
Drive assembly can be connected with the first swing arm 31 and the second swing arm 32 respectively, to drive the first swing arm 31 and the second swing arm
32 is synchronous and direction rotates.That is, drive assembly drives the first swing arm 31 and 32 synchronous rotary of the second swing arm, and first
The direction of rotation of swing arm 31 and the second swing arm 32 is opposite.In this way, drive assembly drives the first swing arm 31 and the second swing arm 32 rotation
When, the first head-shield 11 and the second head-shield 12 can synchronize close up or synchronous expansion.
Switching mechanism 100 drives the first swing arm 31 synchronous with the second swing arm 32 and reversely rotates by drive assembly as a result,
Realize the first head-shield 11 and the second head-shield 12 in the closed state mutually closed up and the opening state being mutually unfolded with can be convenient
Between switching, the spatial linkage that no setting is required in the related technology, structure is simple, processing and resetting difficulty can be reduced,
And the torque acted in the first swing arm 31 and the second swing arm 32 is larger, the lighter in weight of entire switching mechanism 100.
According to some embodiments of the present invention, in conjunction with shown in Fig. 1-Fig. 6, drive assembly includes: driving assembly 4 and driving member
5, drive assembly driving realize the first head-shield 11 and the second head-shield 12 synchronize close up and synchronous expansion.
In conjunction with shown in Fig. 5 and Fig. 6, driving member 5 can be put with the first swing arm 31 and second at least one swing arm set 3 respectively
Arm 32 is connected, and driving member 5 can be used for making that the first swing arm 31 is synchronous with the second swing arm 32 and direction rotates.That is, driving member 5
It can make 32 synchronous rotary of the first swing arm 31 and the second swing arm in a swing arm set 3 or two swing arm sets 3, and the first swing arm
31 and second swing arm 32 direction of rotation it is opposite.In this way, when the first swing arm 31 and the second swing arm 32 rotate, the first head-shield 11 and the
Two head-shields 12, which can synchronize, to be closed up or synchronous expansion.
Driving assembly 4 may include: first part 41 and second part 42, wherein as shown in Figure 1, Figure 2, Fig. 9 and Figure 10 institute
Show, first part 41 can be connected with bracket 2, and second part 42 can the first swing arm 31 and the swing arm with one of swing arm set 3
One in second swing arm 32 of group 3 is connected, and first part 41 and second part 42 can relatively move, to drive the first swing arm 31
It is rotated with the second swing arm 32.In some embodiments, first part 41 and second part 42 are mutually scalable, that is to say, that drive
Dynamic component 4 includes telescopic first part 41 and second part 42.
For example, first part 41 is connected with bracket 2 in example as depicted in figs. 1 and 2, second part 42 be located at
First swing arm 31 of a swing arm set 3 first swing arm set 301 of diagram (for example) for top is connected, when first part 41 and the
When two parts 42 mutually extend, second part 42 pushes the first swing arm 31 to turn right around rotary shaft, in the effect of driving member 5
Under, the first swing arm 31 is with 32 synchronous rotary of the second swing arm and steering on the contrary, to keep the first head-shield 11 and the second head-shield 12 synchronous
Close up, realizes the switching of the first head-shield 11 and the second head-shield 12 from opening state to closed state；And when first part 41 and the
When two parts 42 are mutually shortened, second part 42 pushes the first swing arm 31 to turn left around rotary shaft 43, in the effect of driving member 5
Under, the first swing arm 31 is with 31 synchronous rotary of the first swing arm and steering on the contrary, to keep the first head-shield 11 and the second head-shield 12 synchronous
The switching of the first head-shield 11 and the second head-shield 12 from closed state to opening state is realized in expansion.
In example as shown in Figure 3 and Figure 4, first part 41 is connected with bracket 2, second part 42 be located above
Second swing arm 32 of one swing arm set 3 (for example, first swing arm set 301 of diagram) is connected, at this point, underlying second swing arm
Group 302 is driven swing arm set；And in Fig. 9 and example shown in Fig. 10, first part 41 is connected with bracket 2, second part 42
It is connected with the second swing arm 32 of a swing arm set 3 of lower section, i.e. 42 phase of the second swing arm of second part 42 and the second swing arm set 302
Even, at this point, the first swing arm set 301 being located above is driven swing arm set.
The first swing arm 31 and the flexible are driven by the mutual of 4 first part 41 of driving assembly and second part 42 as a result,
A rotation in two swing arms 32, keeps the first swing arm 31 synchronous with the second swing arm 32 and reversely rotates, Ke Yifang using driving member 5
Just realize the first head-shield 11 and the second head-shield 12 between the closed state mutually closed up and the opening state being mutually unfolded
Switching.Moreover, during opening and closing, one of swing arm set 3 can synchronize driven, can improve reliability effectively and stability.
According to some embodiments of the present invention, driving assembly 4 can be hydraulic-driven component, air pressure driving assembly or motor
Driving assembly.That is, the rotation of the first swing arm 31 and the second swing arm 32 relative to bracket 2, can be hydraulically operated component,
Air pressure driving assembly or motor drive component driving are realized.Structure is simple, easy to assembly, can be with flexible setting.
According to some embodiments of the present invention, as shown in Fig. 1-Fig. 4, Fig. 7-Figure 10, driving assembly 4 can also include: rotation
A screw-driven in shaft 43 and actuator 44, rotary shaft 43 and first part 41 and second part 42, can will rotate
The rotation of axis 43 is converted into movement, and rotary shaft 43 is rotatably coupled with another and relative position is fixed, to adapt to
The relative motion that rotation between a part 41 and second part 42 generates, actuator 44 are connected to drive rotation with rotary shaft 43
Axis 43 rotates.Thus, it is possible to optimize the space layout of switching mechanism 100, it can further increase and act on 31 He of the first swing arm
Torque in second swing arm 32, is convenient for opening and closing operations.
For example, rotary shaft 43 and 41 screw thread of first part pass in such as Fig. 1-Fig. 4 and Fig. 9 and example shown in Fig. 10
Dynamic, rotary shaft 43 is rotationally connected with second part 42, and rotary shaft 43 and the relative position of second part 42 are fixed, when
When actuator 44 drives rotary shaft 43 to rotate, rotary shaft 43 and 41 screw-driven of first part convert the rotation of rotary shaft 43
It for movement, relatively moves first part 41 with second part 42, the first swing arm 31 is made under the collective effect of driving member 5
And reverse rotation synchronous with the second swing arm 32, to realize the first head-shield 11 and the second head-shield 12 in closed state and opening state
Between switching.
Optionally, such as Fig. 1-Fig. 4, with shown in 9 and Figure 10, first part 41 and second part 42 are removable in the longitudinal direction
It is dynamic；Alternatively, as shown in Figure 7 and Figure 8, first part 41 and second part 42 move in the lateral direction, wherein screw-driven
It can be that rotary shaft 43 is screw rod and first part 41 is the form of the composition of fixture nut, simple and compact for structure, resetting difficulty is low.
According to some embodiments of the present invention, shown in as shown in Figure 1, Figure 2, Fig. 9 and Figure 10, actuator 44 can be motor, and
Motor may be mounted in support plate 201, and motor driven rotary shaft 43 rotates, rotary shaft 43 and 41 screw-driven of first part,
By the linear motion for being converted to first part 41 of motor, keep first part 41 mobile relative to second part 42, into one
Step realizes the switching of the first head-shield 11 and the second head-shield 12 between opening state and closed state, and motor can may be mounted at branch
On fagging 201, support is provided for motor by support plate 201, improves stability and reliability.Wherein, screw-driven can be
Rotary shaft 43 is screw rod and first part 41 is the form of the composition of fixture nut, and simple and compact for structure, resetting difficulty is low.
Other embodiments according to the present invention, as shown in Fig. 3, Fig. 4, Fig. 7 and Fig. 8, actuator 44 can be handle, and
And handle is connected with rotary shaft 43 by universal joint and/or flexible axle 45.That is, rotation can be manually operated in rotary shaft 43,
It can be connected by universal joint between handle and rotary shaft 43, alternatively, as shown in Figure 7 and Figure 8, it can between handle and rotary shaft 43
To be connected by flexible axle 45, then alternatively, can be connected by universal joint and flexible axle 45 between handle and rotary shaft 43.Connect as a result,
It connects more convenient, and can reduce occupied space, optimize topology layout, the mode of manual actuation is flexible convenient for carrying out at any time
Operation.
In some embodiments, shown in as shown in Figure 1, Figure 2, Fig. 9 and Figure 10, rotary shaft 43 can extend along the longitudinal direction, driving
Part 44 can be set to the rear side of rotary shaft 43, i.e. actuator 44 can drive rotary shaft 43 to rotate from rear side.
Optionally, as depicted in figs. 1 and 2, the second part 42 of driving assembly 4 can connect the first swing arm 31, also,
Two parts 42 can be located between the rotation axis and the first head-shield 11 of the first swing arm 31；Alternatively, as shown in Figure 3 and Figure 4, second
Points 42 can be located between the rotation axis and the second head-shield 12 of the second swing arm 32, and the first part 41 of driving assembly 4 can be located at the
The rear side of two parts 42.In this way, second part 42 can be arranged in the first half for the swing arm being attached thereto, can not only make
Structure is more compact, and is conducive to increase torque, improves stability when the first head-shield 11 and the opening and closing of the second head-shield 12.Change speech
It, driving assembly 4 can be arranged and scalable in the longitudinal direction in the longitudinal direction, and wherein first part 41 is in rear side and branch
Frame 2 is connected, and second part 42 is connected in front side with the first swing arm 31 or the second swing arm 32.
In this way, can use in flexible drive the first swing arm 31 and the second swing arm 32 of driving assembly 4 in the longitudinal direction
A rotation, to realize to the open and close control of the first head-shield 11 and the second head-shield 12, on the one hand, can reduce switching mechanism
100 occupied space avoids interfering, and keeps structure more compact, on the other hand, be also convenient for operator to driving assembly 4 into
Row force, it is easy to operate.
In further embodiments, as shown in Figure 7 and Figure 8, rotary shaft 43 can extend in left-right direction, and actuator 44 can be set
In the side of the separate second part 42 of first part 41.For example, first part 41 is located at the left side of second part 42, actuator
44 can be located at the right side of first part 41, so as to so that simple and compact for structure, reduce switching mechanism in the longitudinal direction
Occupied space.
Thus, it is possible to which driving assembly 4 is laid out in reasonable position by situation according to the spatial layout, and being adapted to property is set
The direction of motion of driving assembly 4 is counted, convenient for adjustment and convenient for operation.
According to some embodiments of the present invention, bracket 2 has support plate 201, is described below in detail and implements according to the present invention
The support plate 201 of the switching mechanism 100 of example.
In conjunction with shown in Fig. 1-Fig. 4, first sliding groove 21 and second sliding slot 22, first sliding groove 21 can be equipped in support plate 201
It can be for the arc-shaped of the rotation axis of the first swing arm 31 and center, second sliding slot 22 can be for the rotation axis of the second swing arm 32
Centered on it is arc-shaped, wherein the first roller bearing 311 can be equipped in the first swing arm 31, second can be equipped in the second swing arm 32
Roller bearing 321, the first roller bearing 311 can protrude into first sliding groove 21, and the first roller bearing 311 is removable along first sliding groove 21, and second
Roller bearing 321 can protrude into second sliding slot 22, and the second roller bearing 321 is removable along second sliding slot 22.
It as a result, not only can rotation by first sliding groove 21 and second sliding slot 22 to the first swing arm 31 and the second swing arm 32
Booster action is provided, and can use first sliding groove 21 and second sliding slot 22 and limit is realized to the first swing arm 31 and the second swing arm 32
Position, can be realized accurate positioning, the kinetic stability and reliability of switching mechanism 100 can further be guaranteed.Meanwhile nothing
The components such as guide rail in the related technology need to be set, machining accuracy and assembly difficulty can be reduced.In addition, 311 He of the first roller bearing
The design of second roller bearing 321 can be such that the first roller bearing 311 rolls in first sliding groove 21, and make the second roller bearing 321 second
It is rolled in sliding slot 22, substantially reduces friction, reduce noise, reduce loss.
According to some embodiments of the present invention, as Figure 1-Figure 4, at least one can be equipped in support plate 201 along branch
The through slot 23 of the thickness direction perforation of fagging 201.Thus, it is possible to support plate 201 is made to play supporting role, and through slot 23 is set
It sets, the weight of support plate 201 can be mitigated, material is saved, conducive to cost is reduced.
Optionally, support plate 201 can be cut by thin plate.What needs to be explained here is that so-called thin plate, refers to support plate
201 development length is much larger than the plate body of its thickness.That is, the light sheet as made of integral cutting of support plate 201
Material is constituted, for example, the Numerical control cuttings means such as support plate 201 can be cut by laser, wire cutting, Water Cutting cut to obtain.It cuts
On the one hand support plate 201 made of cutting can reduce stress concentration, optimize support effects, on the other hand, manufacture easy to process,
Cost can be reduced.
Optionally, plate of 201 thickness of support plate in the range of 8 millimeters to 12 millimeters；Optionally, support plate 201
It can be aluminium sheet.It is easy to process as a result, the lighter weight of support plate 201 can be made, so as to which opening and closing may further be mitigated
The overall weight of mechanism 100 is conducive to realize on-off action.
Further, the thickness m of support plate 201 can satisfy: 6mm≤m≤14mm.It is easy to process as a result, it can make to prop up
The lighter weight of fagging 201, so as to further mitigate the overall weight of switching mechanism 100.
For swing arm set 3, as shown in figures 1 and 3, the first swing arm 31 and the second swing arm 32 constitute first swing arm
Group 301, wherein the first swing arm 31 can be connected with the first head-shield 11, and the first swing arm 31 is rotationally connected with support plate 201, the
One swing arm 31 can drive the first head-shield 11 to rotate when rotating, the second swing arm 32 can be connected with the second head-shield 12, the second swing arm 32
Rotationally it is connected with support plate 201, the second swing arm 32 can drive the second head-shield 12 to rotate when rotating.
Optionally, as shown in Figure 1-Figure 3, the first swing arm 31 can be set to the top of support plate 201, and the second swing arm 32 can be set to
The lower section of support plate 201, also, the upper end of the second roller bearing 321 can pass through second sliding slot 22 and be connected with and be supported in the second cunning
The idler wheel 322 of 22 two sides of slot can be further improved the second swing arm in this way, idler wheel 322 can lift the second swing arm 32 from top
32 stability.
In some embodiments, the first swing arm 31 may include the multiple of rotation axis coincident, and the second swing arm 32 can wrap
The multiple of rotation axis coincident are included, so as to realize on-off action, high reliablity, stability using driven swing arm auxiliary
It is good.In the description of the present invention, the meaning of " plurality " is two or more.
For example, first swing arm 31 may include spaced along the vertical direction in example as shown in Figure 9 and Figure 10
Two, the second swing arm 32 may include two spaced along the vertical direction, and the rotation axis of two the first swing arms 31
It is overlapped, the rotation axis coincident of two the second swing arms 32.Optionally, actuator 44 drives the first swing arm 31 for being located above and the
Two swing arms 32 rotation, underlying first swing arm 31 and the second swing arm 32 are synchronous driven, utilize underlying first swing arm
31 and second swing arm 32 realize booster action；Alternatively, as shown in Figure 9 and Figure 10, actuator 44 can be provided at the of lower section
In one swing arm 31 and the second swing arm 32, make underlying first swing arm 31 and the second swing arm 32 reversely and synchronous rotary, simultaneously
The first swing arm 31 and the driven rotation of the second swing arm 32 being located above can effectively improve opening and closing stability and reliability.
Certainly, structure of the invention is without being limited thereto, and the first swing arm 31 and the second swing arm 32 can also be other quantity, driving
Part 44 can flexibly set in mutual corresponding first swing arm 31 therein and the second swing arm 32, to this present invention to this not
It is specifically limited.
According to some embodiments of the present invention, the second swing arm set 302 can be at least one, and the second swing arm set 302 can wrap
Include third swing arm 33 and the 4th swing arm 34, wherein third swing arm 33 is connected with the first head-shield 11, and third swing arm 33 can be rotated
Ground is connected with bracket 2, and the 4th swing arm 34 is connected with the second head-shield 12, and the 4th swing arm 34 is rotationally connected with bracket 2, the
31 corotation shaft 43 of three swing arms 33 and the first swing arm, 32 corotation shaft 43 of the 4th swing arm 34 and the second swing arm.In this way, driving assembly
When 4 the first swing arms 31 of driving and the second swing arm 32 rotate, third swing arm 33 can be synchronous driven with the 4th swing arm 34, so as to
Opening and closing for the first head-shield 11 and the second head-shield 12 provides booster action, can effectively improve stability and reliability.
For example, switching mechanism 100 includes second swing arm set 302, the second pendulum in example as shown in figures 1 and 3
Arm group 302, which is located at the lower section of the first swing arm set 301 and is spaced with the first swing arm set 301, to be arranged, and the driving of driving assembly 4 is located above
The first swing arm 31 and the second swing arm 32 rotation, underlying third swing arm 33 and the 4th swing arm 34 are synchronous driven.Certainly, originally
The structure of invention is without being limited thereto, and the second swing arm set 302 can also be other quantity, such as two, three etc., right to this present invention
This is not specifically limited.
Wherein, the third swing arm 33 in the second swing arm set 302 can be understood as one in above-mentioned multiple first swing arms 31
First swing arm 31, the 4th swing arm 34 in the second swing arm set 302 can be understood as one in above-mentioned multiple second swing arms 32
Two swing arms 32.
According to some embodiments of the present invention, as shown in Fig. 1-Fig. 4 and Fig. 9 and Figure 10, the first swing arm 31 is rotated from it
Axis between the first head-shield 11 part and the second swing arm 32 from its rotation axis to the partial intersection the second head-shield 12,
That is, the structure that the first swing arm 31 and the second swing arm 32 composition are intersected, can further decrease occupied space, can further mention
High stability, and it is easy to implement driving.
According to some embodiments of the present invention, as shown in Figure 5 and Figure 6, driving member 5 may include: first gear 51 and
Two gears 52, first gear 51 can be coaxial connected with the first swing arm 31, and second gear 52 can be coaxial connected with the second swing arm 32, and
And 52 external toothing of first gear 51 and second gear.In this way, when the first swing arm 31 pivots about axis rotation, first gear 51 and the
One swing arm 31 rotates synchronously, and first gear 51 and 52 external toothing of second gear, second gear 52 rotate backward, at this point, the
Two swing arms 32 are rotated synchronously with second gear 52, hereby it is achieved that the first swing arm 31 is synchronous with the second swing arm 32 and reversely revolves
Turn, so as to so that the first headgear and the second head-shield 12 synchronize and close up or synchronous expansion, and then realizes in closed state and opening
Switching between state, transmission efficiency is high, good reliability, and simple in construction, easy to disassemble and assemble.
What needs to be explained here is that so-called coaxial be connected refers to that the gear is coaxially disposed with the swing arm, is fixedly linked, i.e.,
The gear and the swing arm can be with pivot in unison, this will be understood by those skilled in the art.Furthermore it is possible to manage
Solution, first gear 51 is identical with the number of teeth of second gear 52, and transmission is realized in the two external toothing, and direction of rotation is opposite.
Advantageously, first gear 51 and second gear 52 are sector gear, can not only realize the first swing arm 31 and
Transmission between two swing arms 32 keeps the first swing arm 31 synchronous with the second swing arm 32 and reversely rotates, and structure is simpler tight
It gathers, facilitates resigning, space utilization rate is high, is laid out more compact.
In some embodiments, switching mechanism 100 can also include positioning device (not shown), when the first swing arm 31
When being located at full open position to the first head-shield 11 and the second head-shield 12 with the second swing arm 32 rotation, positioning device can be used for the
At least one of one swing arm 31, the second swing arm 32, the first head-shield 11 and second head-shield 12 realize positioning, limit the first swing arm 31
With the rotation of the second swing arm 32, the first head-shield 11 and the second head-shield 12 is set to be limited in the position being mutually unfolded, in order to vehicle
Other operations of row are hooked into, completeness can be improved.
The opening and closing process of switching mechanism 100 according to an embodiment of the invention is detailed below.
When needing to open the first head-shield 11 and the second head-shield 12, start motor or operation handle, rotates rotary shaft 43, rotation
Shaft 43 and 42 screw-driven of first part 41 or second part, convert movement for rotation, make first part 41 and second
Divide 42 relative telescopics occur, drives the first swing arm 31 or the second swing arm 32 rotation, simultaneously, first gear 51 and second gear
52 engaged transmissions, keep the first swing arm 31 synchronous with the second swing arm 32 and rotate backward, the first head-shield 11 is synchronous with the second head-shield 12
It gradually spreads out, in the process, third swing arm 33 can be synchronous driven with the 4th swing arm 43, meanwhile, the first roller bearing 311 and second
Roller bearing 321 moves in first sliding groove 21 and second sliding slot 22 respectively, and the first swing arm 31 and the second swing arm 32 rotate to dominant bit
When moving point, control actuator 44 stops driving, and the first swing arm 31 and the second swing arm 32 are realized by positioning device and positioned, the first head-shield
11 and second head-shield 12 be fixed on opening state.
When needing to be closed the first head-shield 11 and the second head-shield 12, positioning device is released to the first swing arm 31 and the second swing arm 32
Positioning, start motor or operation handle, rotate rotary shaft 43, rotary shaft 43 and 42 screw thread of first part 41 or second part
Transmission, converts movement for rotation, makes first part 41 and second part 42 that relative telescopic occur, drives the first swing arm 31 or the
Two swing arms 32 rotation, simultaneously, 52 engaged transmission of first gear 51 and second gear makes the first swing arm 31 and the second swing arm 32
It synchronizes and rotates backward, the first head-shield 11 and the second head-shield 12 gradually close up, in the process, third swing arm 33 and the 4th swing arm
Synchronize it is driven, meanwhile, the first roller bearing 311 and the second roller bearing 321 move in first sliding groove 21 and second sliding slot 22 respectively, when
When one swing arm 31 and the second swing arm 32 rotate to least displacement point, control actuator 44 stops driving, the first swing arm 31 and second
Swing arm 32 is stopped rotating, and the first head-shield 11 and the second head-shield 12 fully come together, and switches to closed state.
To sum up, switching mechanism used for rail vehicle 100 according to an embodiment of the present invention, makes the first head-shield in which can be convenient
11 and second head-shield 12 switch between the closed state mutually closed up and the opening state being mutually unfolded, have structure it is simply tight
It gathers, process the advantages that low with resetting difficulty, space layout is reasonable, opening and closing torque is larger, light-weight, stability is good, easy to operate.
Rail vehicle according to an embodiment of the present invention, including front end used for rail vehicle according to the above embodiment of the present invention are opened
Close mechanism 100.
Rail vehicle according to an embodiment of the present invention, by the way that switching mechanism 100, Ke Yifang above-mentioned according to the present invention is arranged
Switch the first head-shield 11 and the second head-shield 12 between the state mutually closed up and be mutually unfolded, and can simplify knot
Structure optimizes space layout, improves stability, convenient for operation.
Rail vehicle other are constituted and operation belongs to those of ordinary skill in the art and understands and be easy to get
, it is no longer repeated herein.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "inner",
The orientation or positional relationship of the instructions such as "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing this hair
Bright and simplified description, rather than the device or component of indication or suggestion meaning must have a particular orientation, with specific orientation
Construction and operation, therefore be not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include fisrt feature right above second feature and oblique upper, or be merely representative of
First feature horizontal height is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
Claims (13)
1. a kind of front end switching mechanism used for rail vehicle, the switching mechanism includes the first head-shield and the second head-shield, described first
Head-shield and second head-shield are convertible between the closed state mutually closed up and the opening state being mutually unfolded, and feature exists
In the switching mechanism further include:
Bracket, the bracket include support plate；
First swing arm set, first swing arm set include the first swing arm and the second swing arm, first swing arm with described first
Cover be connected and be rotationally connected with the support plate, second swing arm be connected with second head-shield and rotationally with institute
Support plate is stated to be connected；
Driving member, the driving member be connected respectively with first swing arm and second swing arm for make first swing arm and
Second swing arm is synchronous and reversely rotates；
Driving assembly, the driving component include mutual telescopic first part and second part, and the of the driving component
It is a part of to be connected with the bracket, and in the second part of the driving component and first swing arm and second swing arm
One is connected, to drive first swing arm and second swing arm to rotate.
2. front end switching mechanism used for rail vehicle according to claim 1, which is characterized in that the support plate is equipped with:
First sliding groove, the first sliding groove are arc-shaped centered on the rotation axis of first swing arm；
Second sliding slot, the second sliding slot be it is arc-shaped centered on the rotation axis of second swing arm,
Wherein, first swing arm is equipped with the first roller bearing, and second swing arm is equipped with the second roller bearing, and first roller bearing is stretched
Enter the first sliding groove and moved along the first sliding groove, second roller bearing protrudes into the second sliding slot and along described second
Sliding slot is slidably.
3. front end switching mechanism used for rail vehicle according to claim 1, which is characterized in that the support plate is equipped with extremely
The through slot that a few thickness direction along the support plate penetrates through.
4. front end switching mechanism used for rail vehicle according to any one of claim 1-3, which is characterized in that the support
Plate is cut by thin plate.
5. front end switching mechanism used for rail vehicle according to claim 1, which is characterized in that the driving component is also wrapped
It includes:
Rotary shaft, a screw-driven in the rotary shaft and the first part and second part, and the rotary shaft with
Another in the first part and the second part is rotatably coupled and relative position is fixed；
Actuator, the actuator are connected to drive the rotary shaft to rotate with the rotary shaft.
6. front end switching mechanism used for rail vehicle according to claim 5, which is characterized in that the actuator is motor,
And the motor is installed in the support plate.
7. front end switching mechanism used for rail vehicle according to claim 5, which is characterized in that the actuator is handle,
And the handle is connected with the drive shaft by universal joint and/or flexible axle.
8. front end switching mechanism used for rail vehicle described in any one of -3 and 5-7 according to claim 1, which is characterized in that
The second part of the driving component connects first swing arm and is located at the rotation axis and described first of first swing arm
Between head-shield.
9. front end switching mechanism used for rail vehicle described in any one of -3 and 5-7 according to claim 1, which is characterized in that
First swing arm is from its rotation axis to part and second swing arm the first head-shield from its rotation axis to second
Partial intersection between head-shield.
10. front end switching mechanism used for rail vehicle described in any one of -3 and 5-7 according to claim 1, which is characterized in that
The switching mechanism further include:
At least one second swing arm set, second swing arm set include third swing arm and the 4th swing arm, the third swing arm and institute
It states the first head-shield to be connected and be rotationally connected with the bracket, the 4th swing arm is connected and can be rotated with second head-shield
Ground is connected with the bracket,
Wherein, the third swing arm and the first swing arm corotation shaft, the 4th swing arm and the second swing arm corotating
Axis.
11. front end switching mechanism used for rail vehicle described in any one of -3 and 5-7 according to claim 1, which is characterized in that
The driving member includes:
First gear, the first gear and first swing arm are coaxially affixed；
Second gear, the second gear and second swing arm are coaxially affixed, and the first gear and the second gear
External toothing.
12. front end switching mechanism used for rail vehicle according to claim 11, which is characterized in that the first gear and institute
Stating second gear is sector gear.
13. a kind of rail vehicle, which is characterized in that before used for rail vehicle described according to claim 1 any one of -12
Hold switching mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711463985.1A CN109969206B (en) | 2017-12-28 | 2017-12-28 | Front end opening and closing mechanism for railway vehicle and railway vehicle with front end opening and closing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711463985.1A CN109969206B (en) | 2017-12-28 | 2017-12-28 | Front end opening and closing mechanism for railway vehicle and railway vehicle with front end opening and closing mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109969206A true CN109969206A (en) | 2019-07-05 |
| CN109969206B CN109969206B (en) | 2021-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711463985.1A Active CN109969206B (en) | 2017-12-28 | 2017-12-28 | Front end opening and closing mechanism for railway vehicle and railway vehicle with front end opening and closing mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113173185A (en) * | 2021-02-19 | 2021-07-27 | 中车青岛四方车辆研究所有限公司 | Locking device and front end opening and closing mechanism |
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|---|---|
| CN109969206B (en) | 2021-01-19 |
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