CN109969207B - Front end opening and closing mechanism for railway vehicle and railway vehicle with front end opening and closing mechanism - Google Patents
Front end opening and closing mechanism for railway vehicle and railway vehicle with front end opening and closing mechanism Download PDFInfo
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- CN109969207B CN109969207B CN201711463993.6A CN201711463993A CN109969207B CN 109969207 B CN109969207 B CN 109969207B CN 201711463993 A CN201711463993 A CN 201711463993A CN 109969207 B CN109969207 B CN 109969207B
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- swing arm
- hood
- closing mechanism
- end opening
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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
Abstract
The invention discloses a front end opening and closing mechanism for a railway vehicle and the railway vehicle with the same, wherein the opening and closing mechanism comprises: the device comprises a first hood, a second hood, a bracket, a first swing arm, a second swing arm, a transmission piece and a handle; the first hood and the second hood are switchable between a closed state in which the first hood and the second hood are folded and an open state in which the first hood and the second hood are unfolded; the first swing arm is connected with the first hood and is rotatably connected with the bracket; the second swing arm is connected with the second hood and is rotatably connected with the bracket; the transmission piece is respectively connected with the first swing arm and the second swing arm and is used for enabling the first swing arm and the second swing arm to synchronously and reversely rotate; the handle is connected with one of the first hood, the second hood, the first swing arm and the second swing arm. According to the opening and closing mechanism provided by the embodiment of the invention, the first hood and the second hood can be switched between the closed state and the open state by utilizing the manual driving of the handle, the structure is simple, the processing and assembling and adjusting difficulty can be reduced, the torque is large, and the operation is convenient and labor-saving.
Description
Technical Field
The invention relates to the field of railway vehicles, in particular to a front end opening and closing mechanism for a railway vehicle and the railway vehicle with the front end opening and closing mechanism.
Background
The front end of a railway vehicle is generally provided with an opening and closing mechanism having two openable and closable cover heads. The opening and closing mechanism in the related art is provided with a rack and a space four-bar linkage, and is driven by a cylinder, transmission is realized by utilizing a gear rack, and the space four-bar linkage is driven to realize the opening and closing action of the cover head.
However, the power source of the opening and closing mechanism is fixed on the support frame on the track, the moment of the connecting rod acting on the swing arm is small, and in order to avoid the downward movement of each part due to the self weight, two supporting mechanisms are arranged, and in order to avoid the interference, the clearance of the pivot of the opposite swing arm needs to be designed, so that the structure is complex, the installation and adjustment requirements are high, the weight is heavy, the space layout is not reasonable, and the operation is very inconvenient.
Disclosure of Invention
The present invention aims to solve at least one of the above technical problems to a certain extent.
Therefore, the invention provides a front end opening and closing mechanism for a railway vehicle, which can realize the switching between the mutually folded and unfolded states of a first head cover and a second head cover through manual operation and has the advantages of simple structure, reasonable spatial layout, convenient and labor-saving operation and the like.
The invention also provides a rail vehicle with the opening and closing mechanism.
According to the embodiment of the invention, the front end opening and closing mechanism for the railway vehicle comprises: the device comprises a first hood, a second hood, a bracket, a first swing arm, a second swing arm, a transmission piece and a handle; the first hood and the second hood are switchable between a closed state of being folded and an open state of being unfolded; the first swing arm is connected with the first hood and can be rotatably connected with the bracket; the second swing arm is connected with the second hood and is rotatably connected with the bracket; the transmission piece is respectively connected with the first swing arm and the second swing arm and is used for enabling the first swing arm and the second swing arm to synchronously and reversely rotate; the handle is connected with one of the first hood, the second hood, the first swing arm and the second swing arm.
According to the front end opening and closing mechanism for the rail vehicle, the handle is connected with the first head cover, the second head cover, the first swing arm and the second swing arm, the handle is used for driving, the first swing arm and the second swing arm are respectively connected through the transmission piece, the first swing arm and the second swing arm synchronously and reversely rotate, so that the first head cover and the second head cover are synchronously folded or synchronously unfolded, switching between a closed state and an opened state of the first head cover and the second head cover is achieved, a space connecting rod mechanism in the related technology is not needed, the structure is simple, the processing and assembling and adjusting difficulty can be reduced, the moment acting on the first swing arm and the second swing arm is large, and the operation is convenient and labor-saving.
Furthermore, the front end opening and closing mechanism for the rail vehicle according to the embodiment of the present invention may further have the following additional technical features:
according to some embodiments of the invention, the transmission comprises: the first gear is coaxially and fixedly connected with the first swing arm; and the second gear is coaxially and fixedly connected with the second swing arm, and the first gear is externally meshed with the second gear.
Optionally, the first gear and the second gear are both sector gears.
According to some embodiments of the invention, a portion of the first swing arm from the rotational axis thereof to the first hood intersects a portion of the second swing arm from the rotational axis thereof to the second hood.
According to some embodiments of the invention, the first swing arm comprises a plurality of coinciding rotation axes and the second swing arm comprises a plurality of coinciding rotation axes.
According to some embodiments of the invention, the bracket is provided with: the first sliding groove is in a circular arc shape taking the rotation axis of the first swing arm as a center; the second spout, the second spout is for using the axis of rotation of second swing arm is the arc at center, wherein, be equipped with first roller bearing in the first swing arm, be equipped with the second roller bearing in the second swing arm, first roller bearing stretches into first spout and follows first spout is portable, the second roller bearing stretches into the second spout and follows the second spout is slidable.
According to some embodiments of the invention, the handle is connected to the first hood and extends downwardly below the first hood.
Optionally, the handle extends downwardly and away from the second hood.
The rail vehicle according to the embodiment of the present invention includes the front end opening and closing mechanism for a rail vehicle according to the above-described embodiment of the present invention.
According to the rail vehicle provided by the embodiment of the invention, the front end opening and closing mechanism for the rail vehicle is arranged, so that the structure can be simplified, the spatial layout can be optimized, and the operation is convenient.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a perspective view of a front end opening and closing mechanism for a railway vehicle in a closed state according to some embodiments of the present invention;
FIG. 2 is a schematic view showing a partial structure of an opening/closing mechanism according to an embodiment of the present invention;
FIG. 3 is a perspective view of a front end opening and closing mechanism for a rail vehicle according to further embodiments of the present invention in a closed state;
fig. 4 is a perspective view of the opening/closing mechanism shown in fig. 3 in an open state.
Reference numerals:
100: an opening and closing mechanism;
11: a first head cover; 12: a second head cover;
2: a support; 21: a first chute; 22: a second chute;
31: a first swing arm; 311: a first roller;
32: a second swing arm; 321: a second roller;
4: a handle;
5: a transmission member; 51: a first gear; 52: a second gear.
Detailed Description
In the rail vehicle, the opening and closing mechanism is arranged at the front end, wherein the two cover heads can be switched between a closed state of mutual folding and an open state of mutual unfolding; when the railway vehicle normally runs, the two cover heads can be folded, the car coupler is hidden in the railway vehicle, and the integral attractiveness is improved.
The front end opening and closing mechanism for the rail vehicle in the related art is provided with a rack and pinion mechanism and a space four-bar mechanism, wherein a cylinder is used as a power source and is fixed on a support frame on a rail, the cylinder drives a rack to move, and the rack drives a gear to transmit, so that the rack drives the space four-bar mechanism to rotate, and the opening and closing actions of two cover heads are realized.
However, in the opening and closing mechanism with the above-mentioned structure, the power source (i.e., the above-mentioned cylinder) is fixed on the support frame on the rail, and the two connecting rods on the support frame respectively push and pull the swing arms on the left and right sides to open and close the two cover heads, when the opening and closing mechanism is opened, a direct clearance with the opposite swing arm is required to be designed to avoid mutual interference, and a part such as a guide rail for limiting the position is required to limit the rotation angle of the swing arm, so that the structure is complicated, the weight is heavy, and the processing and assembling difficulty is high. And the swing arm is arranged above the supporting plate on the bracket seat, and the fulcrum arranged on the swing arm slides on the supporting plate on the bracket seat, so that the friction is large. In addition, in the opening and closing mechanism having the above-described structure, the moment of the link acting on the swing arm is small, and if a larger moment is used, the length of the opening and closing mechanism in the front-rear direction needs to be increased, and a larger stroke motor is required, which further increases the overall weight.
To this end, the present invention provides a front end opening and closing mechanism 100 for a railway vehicle.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar components or components having the same or similar functions throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
A front end opening and closing mechanism 100 for a railway vehicle according to an embodiment of the present invention is described below with reference to fig. 1 and 2. For convenience of description and understanding, the up-down direction, the front-back direction, and the left-right direction are described by taking the illustrated directions as examples, and in the following description, the front end opening and closing mechanism 100 for the rail vehicle is simply referred to as the opening and closing mechanism 100.
The front end opening and closing mechanism 100 for a railway vehicle according to an embodiment of the present invention includes: a first hood 11, a second hood 12, a bracket 2, a first swing arm 31, a second swing arm 32, a transmission 5 and a handle 4. The first hood 11 and the second hood 12 are switchable between a closed state in which they are folded together and an open state in which they are unfolded together, and the stand 2 may be provided at the rear of the first hood 11 and the second hood 12.
As shown in fig. 1, the first swing arm 31 can be connected to the first hood 11, the first swing arm 31 can be rotatably connected to the stand 2, the first swing arm 31 can drive the first hood 11 to rotate relative to the stand 2 when rotating, the second swing arm 32 can be connected to the second hood 12, the second swing arm 32 can be rotatably connected to the stand 2, and the second swing arm 32 can drive the second hood 12 to rotate relative to the stand 2 when rotating; conversely, the first swing arm 31 is rotated when the first hood 11 is rotated, and the second swing arm 32 is rotated when the second hood 12 is rotated.
The transmission 5 can be connected to the first swing arm 31 and the second swing arm 32, respectively, and the transmission 5 can be used to rotate the first swing arm 31 and the second swing arm 32 synchronously and directionally. That is, the transmission 5 can rotate the first swing arm 31 and the second swing arm 32 synchronously, and the rotation directions of the first swing arm 31 and the second swing arm 32 are opposite. Thus, when one of the first swing arm 31 and the second swing arm 32 rotates, the other rotates in the opposite direction in synchronization, and the second hood 12 rotates in the opposite direction in synchronization with the rotation of the first hood 11, so that the simultaneous folding and unfolding of the first hood 11 and the second hood 12 can be realized.
The handle 4 may be connected to one of the first hood 11, the second hood 12, the first swing arm 31, and the second swing arm 32, and the handle 4 may be manually operated by an operator to control the opening and closing of the first hood 11 and the second hood 12.
Specifically, in the example shown in fig. 1, the handle 4 may be connected to the first swing arm 31, and when the operator controls the handle 4 to rotate the first swing arm 31, the first swing arm 31 rotates the first hood 11, and at the same time, under the action of the transmission member 5, the second swing arm 32 rotates synchronously and reversely with the first swing arm 31, so that the second hood 12 rotates synchronously, and the first hood 11 and the second hood 12 can be switched between the open state and the closed state; or, in the example shown in fig. 3 and 4, the handle 4 may be connected to the first hood 11, when the operator controls the first hood 11 to rotate through the handle, the first hood 11 drives the first swing arm 31 to rotate relative to the support 2, under the driving action of the driving member 5, the second swing arm 32 and the first swing arm 31 rotate synchronously and reversely, and the second swing arm 32 drives the second hood 12 to rotate, so as to switch between the open state and the closed state of the first hood 11 and the second hood 12.
Of course, the handle 4 can also be connected with the second swing arm 32 or the second hood 12, and the first swing arm 31 and the second swing arm 32 can also be synchronously and reversely rotated, so that the first hood 11 and the second hood 12 can be switched between a closed state in which they are folded and an open state in which they are unfolded.
From this, the operator can realize the drive through operating handle 4, and utilize the transmission effect of driving medium 5, can make first swing arm 31 and second swing arm 32 synchronous and reverse rotation, can conveniently realize first hood 11 and second hood 12 in the closed state of folding each other and the switching between the open mode of mutual expansion, need not to set up the space link mechanism among the correlation technique, moreover, the steam generator is simple in structure, convenient operation is laborsaving, can reduce processing and dress accent the degree of difficulty, and the moment of action on first swing arm 31 and second swing arm 32 is great, whole closing mechanism 100's weight is lighter.
According to the front end opening and closing mechanism 100 for the rail vehicle of the embodiment of the invention, the handle 4 is connected with the first head cover 11, the second head cover 12, the first swing arm 31 and the second swing arm 32, the handle 4 is used for driving, the first swing arm 31 and the second swing arm 32 are respectively connected through the transmission piece 5, so that the first swing arm 31 and the second swing arm 32 synchronously and reversely rotate, the first head cover 11 and the second head cover 12 are synchronously folded or synchronously unfolded, the first head cover 11 and the second head cover 12 are switched between the closed state and the open state, a space connecting rod mechanism in the related technology is not needed, the structure is simple, the processing and assembly and adjustment difficulty can be reduced, the moment acting on the first swing arm 31 and the second swing arm 32 is large, and the operation is convenient and labor-saving.
According to some embodiments of the invention, the transmission piece 5 may comprise: a first gear 51 and a second gear 52, wherein the first gear 51 can be coaxially fixedly connected with the first swing arm 31, the second gear 52 can be coaxially fixedly connected with the second swing arm 32, and the first gear 51 and the second gear 52 are externally meshed. Like this, when first swing arm 31 rotated around its pivot axle, first gear 51 rotated with first swing arm 31 synchronous, and first gear 51 and second gear 52 external toothing, second gear 52 antiport, at this moment, second swing arm 32 rotated with second gear 52 synchronous, therefore, realized first swing arm 31 and second swing arm 32 synchronous and antiport, thereby can make first hood 11 fold in step or expand in step with second hood 12, and then realize the switching between closed condition and open condition, transmission efficiency is high, good reliability, and simple structure, easy dismounting.
It should be noted that, by coaxially fixedly connected, it is meant that the gear is coaxially disposed and fixedly connected with the swing arm, i.e. the gear and the swing arm can pivot synchronously, as will be understood by those skilled in the art. In addition, it can be understood that the first gear 51 and the second gear 52 have the same number of teeth, and are meshed externally to realize transmission, and the rotating directions are opposite.
Advantageously, the first gear 51 and the second gear 52 are both sector gears, which not only can realize the transmission between the first swing arm 31 and the second swing arm 32, so that the first swing arm 31 and the second swing arm 32 rotate synchronously and reversely, but also has a simpler and more compact structure, convenient abdication, high space utilization rate and more compact layout.
According to some embodiments of the present invention, a portion of the first swing arm 31 from the rotation axis thereof to the first hood 11 intersects a portion of the second swing arm 32 from the rotation axis thereof to the second hood 12, that is, the first swing arm 31 and the second swing arm 32 are formed into an intersecting structure, so that the occupied space can be further reduced, the stability can be further improved, and the driving can be facilitated.
Advantageously, the first swing arm 31 may include a plurality of overlapping rotation axes, and the second swing arm 32 also includes a plurality of overlapping rotation axes, so that the driven first swing arm 31 and the driven second swing arm 32 can assist to realize the opening and closing action, and the reliability and the stability are high. In the description of the present invention, "a plurality" means two or more.
For example, in the example shown in fig. 1, the first swing arm 31 may include two swing arms spaced apart in the up-down direction, the second swing arm 32 may include two swing arms spaced apart in the up-down direction, and the rotation axes of the two swing arms 31 coincide with each other, the rotation axes of the two swing arms 32 coincide with each other, the driving member drives the first swing arm 31 and the second swing arm 32 located above to rotate, the first swing arm 31 and the second swing arm 32 located below are synchronously driven, and the assistance effect is achieved by the first swing arm 31 and the second swing arm 32 located below, so that the stability and the reliability are improved. Alternatively, the driving member may be provided on the first and second swing arms 31 and 32 located below, so that the first and second swing arms 31 and 32 located below rotate in opposite directions and synchronously, while the first and second swing arms 31 and 32 located above rotate in a driven manner.
Of course, the structure of the present invention is not limited to this, the number of the first swing arms 31 and the second swing arms 32 may be other, and the driving members may be flexibly disposed on the corresponding first swing arms 31 and second swing arms 32, and the present invention is not limited thereto.
In order to improve the rotation accuracy of the first swing arm 31 and the second swing arm 32, the bracket 2 may be provided with a first sliding groove 21 and a second sliding groove 22, as shown in fig. 1 and 2, the first sliding groove 21 may be in a circular arc shape with the rotation axis and the center of the first swing arm 31, and the second sliding groove 22 may be in a circular arc shape with the rotation axis of the second swing arm 32 as the center, wherein the first swing arm 31 may be provided with a first roller 311, the second swing arm 32 may be provided with a second roller 321, the first roller 311 may extend into the first sliding groove 21, the first roller 311 may be movable along the first sliding groove 21, the second roller 321 may extend into the second sliding groove 22, and the second roller 321 may be movable along the second sliding groove 22, not only can assist the rotation of the first swing arm 31 and the second swing arm 32 through the first sliding groove 21 and the second sliding groove 22, but also can limit the first swing arm 31 and the second swing arm 32 by using the first sliding groove 21 and the second sliding groove 22, the movement stability and reliability of the opening and closing mechanism 100 can be further ensured, and accurate positioning can be realized. Meanwhile, parts such as guide rails and the like in the related technology do not need to be arranged, and the processing precision and the assembly difficulty can be reduced. In addition, the first roller 311 and the second roller 321 are designed to enable the first roller 311 to roll in the first sliding groove 21 and the second roller 321 to roll in the second sliding groove 22, so that friction is greatly reduced, noise is reduced, and loss is reduced.
According to some embodiments of the present invention, the handle 4 may be connected to the first hood 11, that is, the operator may directly drive the first hood 11 to rotate through the handle 4, and the handle 4 may extend downward to be lower than the first hood 11, so that the structural layout may be further optimized, the structure of the opening and closing mechanism 100 may be more compact, and the operator may operate the handle 4 conveniently.
In some embodiments, as shown in FIG. 1, the handle 4 may extend downwardly and away from the second hood 12. That is, the handle 4 extends downward and rearward first and then rearward. Therefore, the handle 4 can be arranged in a relatively wide space, so that a user can apply force to the handle 4 conveniently, meanwhile, the handle 4 can be prevented from interfering with other parts, and the reliability can be improved.
Advantageously, the opening and closing mechanism 100 may further include a positioning device (not shown in the figures), when the first swing arm 31 and the second swing arm 32 rotate until the first hood 11 and the second hood 12 are in the fully opened state, the positioning device may be used to position the first swing arm 31, the second swing arm 32, the first hood 11, or the second hood 12, and limit the rotation of the first swing arm 31 and the second swing arm 32, so that the first hood 11 and the second hood 12 are limited in the mutually unfolded position, so as to facilitate other operations on the coupler, which may improve the completeness.
In summary, according to the front end opening and closing mechanism 100 for the rail vehicle of the embodiment of the present invention, the handle 4 is connected to the first hood 11, the second hood 12, the first swing arm 31 and the second swing arm 32, the handle 4 is used for driving, and the transmission member 5 is used for respectively connecting the first swing arm 31 and the second swing arm 32, so that the first swing arm 31 and the second swing arm 32 synchronously and reversely rotate, and thus the first hood 11 and the second hood 12 can be synchronously folded or synchronously unfolded, the first hood 11 and the second hood 12 can be switched between the closed state and the open state, a spatial link mechanism in the related art is not required, the structure is simple, the processing and assembly difficulty can be reduced, the torque applied to the first swing arm 31 and the second swing arm 32 is large, and the operation is convenient and labor-saving.
When the first hood 11 and the second hood 12 need to be opened, the handle 4 is operated to rotate the first swing arm 31 in a forward direction (e.g., to the left in the figure), and at the same time, the first gear 51 and the second gear 52 are in meshing transmission to rotate the first swing arm 31 and the second swing arm 32 synchronously and reversely, so that the first hood 11 and the second hood 12 are gradually unfolded synchronously, at this time, the first roller 311 and the second roller 321 move in the first chute 21 and the second chute 22, respectively, when the first swing arm 31 and the second swing arm 32 rotate to a maximum displacement point, the control handle 4 stops driving, the first swing arm 31 and the second swing arm 32 are positioned by the positioning device, and the first hood 11 and the second hood 12 are fixed in an opened state.
When the first hood 11 and the second hood 12 need to be closed, the positioning of the first swing arm 31 and the second swing arm 32 by the positioning device is released, the handle 4 is operated, the first swing arm 31 is rotated in a reverse direction (i.e., to the right in the drawing), at the same time, the first gear 51 and the second gear 52 are in meshing transmission, the first swing arm 31 and the second swing arm 32 are synchronously and reversely rotated, the first hood 11 and the second hood 12 are gradually closed, at this time, the first roller 311 and the second roller 321 move in the first chute 21 and the second chute 22 respectively, when the first swing arm 31 and the second swing arm 32 rotate to a minimum displacement point, the control handle 4 stops driving, the first swing arm 31 and the second swing arm 32 stop rotating, the first hood 11 and the second hood 12 are completely closed, and the switching is performed to the closed state.
The railway vehicle according to the embodiment of the present invention includes the front end opening and closing mechanism 100 for the railway vehicle according to the above-described embodiment of the present invention.
According to the railway vehicle provided by the embodiment of the invention, the opening and closing mechanism 100 is arranged, so that the first head cover 11 and the second head cover 12 can be conveniently switched between the mutually folded and unfolded states, the structure can be simplified, the spatial layout can be optimized, and the operation is convenient and labor-saving.
Other configurations and operations for a rail vehicle are understood and readily available to those of ordinary skill in the art and will not be described in detail herein.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (8)
1. A front end opening and closing mechanism for a railway vehicle, the opening and closing mechanism comprising a first head hood and a second head hood, the first head hood and the second head hood being switchable between a closed state in which they are closed to each other and an open state in which they are open to each other, characterized in that the opening and closing mechanism further comprises:
a support;
the first swing arm is connected with the first hood and can be rotatably connected with the bracket;
the second swing arm is connected with the second hood and is rotatably connected with the bracket;
a driving medium, the driving medium respectively with first swing arm with the second swing arm links to each other and is used for making first swing arm with the synchronous and counter-rotation of second swing arm, the driving medium still includes: the first gear is coaxially and fixedly connected with the first swing arm; the second gear is coaxially and fixedly connected with the second swing arm, and the first gear is externally meshed with the second gear;
and the handle is connected with one of the first hood, the second hood, the first swing arm and the second swing arm.
2. The front end opening/closing mechanism for a railway vehicle according to claim 1, wherein the first gear and the second gear are each a sector gear.
3. The front end opening/closing mechanism for a railway vehicle according to any one of claims 1 to 2, wherein a portion of the first swing arm from the rotation axis thereof to the first hood intersects with a portion of the second swing arm from the rotation axis thereof to the second hood.
4. The front end opening/closing mechanism for a railway vehicle according to any one of claims 1 to 2, wherein the first swing arm includes a plurality of rotation axes that coincide, and the second swing arm includes a plurality of rotation axes that coincide.
5. The front end opening and closing mechanism for a railway vehicle according to any one of claims 1 to 2, wherein:
the first sliding groove is in a circular arc shape taking the rotation axis of the first swing arm as a center;
a second sliding groove which is in a circular arc shape with the rotation axis of the second swing arm as the center,
the first swing arm is provided with a first rolling shaft, the second swing arm is provided with a second rolling shaft, the first rolling shaft extends into the first sliding groove and moves along the first sliding groove, and the second rolling shaft extends into the second sliding groove and slides along the second sliding groove.
6. The front end opening and closing mechanism for a railway vehicle as claimed in any one of claims 1 to 2, wherein the handle is connected to the first hood and extends downward below the first hood.
7. The front end opening/closing mechanism for a railway vehicle as claimed in claim 6, wherein the handle extends downward and then extends in a direction away from the second hood.
8. A rail vehicle, characterized by comprising the front end opening and closing mechanism for a rail vehicle according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711463993.6A CN109969207B (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 |
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| CN201711463993.6A CN109969207B (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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| CN109969207A CN109969207A (en) | 2019-07-05 |
| CN109969207B true CN109969207B (en) | 2021-01-19 |
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| CN106352037B (en) * | 2016-10-26 | 2019-02-19 | 广东顶固集创家居股份有限公司 | Telescopic component and electric drawer cabinet |
| CN206598847U (en) * | 2016-11-10 | 2017-10-31 | 青岛威奥轨道股份有限公司 | A kind of pure electric track vehicle front end switching mechanism |
| CN206429116U (en) * | 2016-12-30 | 2017-08-22 | 比亚迪股份有限公司 | The mask opening and closing device and rail vehicle of rail vehicle |
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2017
- 2017-12-28 CN CN201711463993.6A patent/CN109969207B/en active Active
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