CN220500660U - Running mechanism for power conversion device, power conversion device and power conversion station - Google Patents
Running mechanism for power conversion device, power conversion device and power conversion station Download PDFInfo
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- CN220500660U CN220500660U CN202322234930.0U CN202322234930U CN220500660U CN 220500660 U CN220500660 U CN 220500660U CN 202322234930 U CN202322234930 U CN 202322234930U CN 220500660 U CN220500660 U CN 220500660U
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- 230000009286 beneficial effect Effects 0.000 description 6
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- 230000003993 interaction Effects 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
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Abstract
The utility model relates to the technical field of a power conversion device, and provides a travelling mechanism for the power conversion device, the power conversion device and a power conversion station, wherein the travelling mechanism for the power conversion device comprises a moving platform and a guide rail, the moving platform is used for supporting a power conversion device body along a first direction, protruding parts are arranged on two opposite sides of the moving platform along a second direction, and the first direction is perpendicular to the second direction; the guide rail is provided with a sliding groove extending along a third direction, the third direction is perpendicular to the first direction and the second direction, the sliding groove is at least provided with a first side wall and a second side wall, the first side wall and the second side wall are distributed at intervals along the first direction, the protruding portion is located in the sliding groove and can slide relative to the sliding groove along the third direction, and the first side wall and the second side wall are both contacted with the protruding portion. The problem that the battery replacing device in the related art is easy to tip due to unbalanced load when grabbing the battery is solved.
Description
Technical Field
The utility model relates to the technical field of power conversion devices, in particular to a traveling mechanism for a power conversion device, the power conversion device and a power conversion station.
Background
With the continuous popularization of new energy automobiles, an electric automobile power conversion link is an important problem to be solved by the electric automobile industry, and the electric automobile power conversion link is a technical development direction of an electric automobile power conversion station by utilizing special battery replacement equipment to realize automatic power conversion.
The battery is transferred between the vehicle to be replaced and the battery compartment by adopting a ground rail type battery replacement device in the related art, wherein the ground rail type battery replacement device is provided with a travelling mechanism, a seat body and a grabbing component, and the travelling mechanism is used for driving the seat body to translate so that the grabbing component is aligned with the vehicle-end battery or the battery in the station. When the battery changing device is used for grabbing a battery at the vehicle end or in a station, the grabbing component is required to extend to the side of the base body, and the grabbing component is in a cantilever shape relative to the base body. In the process of grabbing the battery, the travelling mechanism bears larger unbalanced load, and the problem of tipping easily occurs.
Therefore, how to solve the problem that the battery replacing device in the related art is easy to tip due to unbalanced load when grabbing the battery becomes an important technical problem to be solved by those skilled in the art.
Disclosure of Invention
The utility model provides a running mechanism for a power conversion device, the power conversion device and a power conversion station, which are used for solving the defect that the power conversion device in the related art is easy to tip over due to unbalanced load when grabbing a battery.
The utility model provides a running gear for changing the electric installation, comprising:
the mobile platform is used for supporting the power conversion device body along a first direction, protruding parts are arranged on two opposite sides of the mobile platform along a second direction, and the first direction is perpendicular to the second direction;
the guide rail is provided with a sliding groove extending along a third direction, the third direction is perpendicular to the first direction and the second direction, the sliding groove is provided with at least a first side wall and a second side wall, the first side wall and the second side wall are distributed at intervals along the first direction, the protruding part is positioned in the sliding groove and can slide relative to the sliding groove along the third direction, and the first side wall and the second side wall are both contacted with the protruding part.
According to the travelling mechanism for the power conversion device, two groups of protruding portions are arranged, the two groups of protruding portions are respectively arranged on two sides of the mobile platform, and each group of protruding portions are distributed at intervals along the third direction.
According to the running mechanism for the power conversion device provided by the utility model, the protruding part at least comprises:
the axis of the first roller is parallel to the second direction, and the first roller is rotatably arranged on the moving platform.
According to the running gear for the power conversion device provided by the utility model, the sliding groove is further provided with:
a third sidewall perpendicular to the second direction, the third sidewall being located between the first sidewall and the second sidewall;
the boss further includes:
the axis of the second roller is parallel to the first direction, the second roller is rotatably arranged on the moving platform or the second roller is rotatably arranged on the first roller, and the second roller is in contact with the third side wall.
According to the running mechanism for the power conversion device, provided by the utility model, the protruding part is a composite roller.
According to the running gear for a power conversion device provided by the utility model, the guide rail comprises:
a chassis;
the guide frames extend along the third direction, the guide frames are arranged in pairs, each pair of guide frames are distributed at intervals along the second direction, the sliding grooves are formed in the guide frames, and the guide frames are detachably connected with the underframe.
According to the travelling mechanism for the power conversion device, provided by the utility model, the side, away from the mobile platform, of the guide frame is provided with the reinforcing ribs.
According to the running mechanism for the power conversion device provided by the utility model, the running mechanism further comprises:
a drive assembly configured to drive the mobile platform to slide relative to the rail;
and/or, the rotation assembly is arranged between the power conversion device body and the moving platform, the rotation assembly is arranged to enable the power conversion device body to rotate relative to the moving platform, and the rotation axis of the power conversion device body relative to the moving platform is parallel to the first direction.
The utility model also provides a power conversion device which comprises a power conversion device body and a travelling mechanism, wherein the power conversion device body is arranged on the travelling mechanism, and the travelling mechanism is the travelling mechanism for the power conversion device.
The utility model also provides a power exchange station which comprises the travelling mechanism for the power exchange device or comprises the power exchange device.
The utility model provides a travelling mechanism for a power conversion device, which comprises a movable platform and a guide rail, wherein the movable platform is used for supporting the power conversion device body, and the supporting direction of the movable platform to the power conversion device body is a first direction. The moving platform is provided with protruding parts along two opposite sides of the second direction, and the first direction is perpendicular to the second direction. The guide rail is provided with a sliding groove, the sliding groove extends along a third direction, and the third direction is perpendicular to the first direction and the second direction. The chute is provided with at least a first side wall and a second side wall, and the first side wall and the second side wall are distributed at intervals along a first direction. The protruding portion is located between the first side wall and the second side wall of the chute, and the protruding portion can slide relative to the chute along a third direction. The first side wall and the second side wall are both in contact with the protruding portion, and the first side wall and the second side wall both act on the protruding portion along the first direction. Through the interaction of the first side wall and the protruding part and the interaction of the second side wall and the protruding part, the protruding part can be limited to move along the first direction, and when the moving platform is in unbalanced load, the moving platform can be effectively prevented from tipping. By means of the arrangement, when the running gear for the power conversion device supports the power conversion device body, the problem that the power conversion device in the related art is prone to tipping due to unbalanced load when grabbing a battery can be effectively solved.
Further, the power conversion device provided by the utility model has the traveling mechanism for the power conversion device, so that the power conversion device also has various advantages.
Further, the power exchange station provided by the utility model is provided with the traveling mechanism for the power exchange device or the power exchange device, so that the power exchange station also has various advantages.
Drawings
In order to more clearly illustrate the utility model or the technical solutions in the related art, the drawings used in the description of the embodiments or the related art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a running mechanism for a power conversion device provided by the utility model;
FIG. 2 is a schematic diagram of a structure of a mobile platform and a guide frame according to the present utility model at a first view angle;
FIG. 3 is a schematic view of a moving platform and a guide frame according to the present utility model at a second view angle;
fig. 4 is a schematic structural diagram of the power conversion device provided by the utility model.
Reference numerals:
1. a mobile platform; 2. a chute; 3. a composite roller; 4. a chassis; 5. a guide frame; 6. a power exchanging device body; 7. a first driving member; 8. a rack; 9. a first gear; 10. a slewing bearing; 11. and a second gear.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The running gear for a power conversion device according to the present utility model is described below with reference to fig. 1 to 4.
As shown in fig. 1 to 4, a running mechanism for a power conversion device provided by an embodiment of the utility model includes a mobile platform 1 and a guide rail.
Specifically, the mobile platform 1 is configured to support the power exchanging device body 6, and a supporting direction of the mobile platform 1 to the power exchanging device body 6 is a first direction. The two opposite sides of the mobile platform 1 along the second direction are provided with protruding parts, and the first direction is perpendicular to the second direction.
The guide rail has a chute 2, the chute 2 extending in a third direction, the third direction being perpendicular to the first direction and the second direction. When the guide rail is arranged on the ground, the first direction is the vertical direction, the second direction is the transverse direction, and the third direction is the longitudinal direction. The first direction, the second direction, and the third direction refer to a direction indicated by z, a direction indicated by x, and a direction indicated by y, respectively, in the figure.
It should be noted that the terms "first," "second," and "third" are used herein for descriptive purposes only and are not to be construed as indicating or implying any particular order, relative importance.
The chute 2 has at least a first side wall and a second side wall, which are spaced apart in a first direction. The first side wall and the second side wall are parallel to each other and are perpendicular to the first direction.
The boss is located between the first and second side walls of the chute 2, one of which can provide a supporting force to the boss, which can slide in a third direction relative to the chute 2.
The first side wall and the second side wall are both in contact with the protruding portion, and the first side wall and the second side wall both act on the protruding portion along the first direction. By the interaction of the first side wall and the protruding part and the interaction of the second side wall and the protruding part, the protruding part can be limited to move along the first direction, and when the mobile platform 1 is under unbalanced load, the mobile platform 1 can be effectively prevented from tipping.
By means of the arrangement, when the running gear for the power conversion device supports the power conversion device body 6, the problem that the power conversion device in the related art is prone to tipping due to unbalanced load when grabbing a battery can be effectively solved.
In some embodiments, two groups of protruding parts are provided, the two groups of protruding parts are respectively arranged at two sides of the mobile platform 1, and each group of protruding parts are distributed at intervals along the third direction. Both sides of the mobile platform 1 are acted with the guide rail through at least two protruding parts, so that the mobile platform 1 can be prevented from tipping around any horizontal axis, the tipping performance of the mobile platform 1 is effectively improved, and the problem of jamming and deviation of the mobile platform 1 can be prevented.
It will be appreciated that the raised portion may be provided in the form of a roller, and at this time, friction between the raised portion and the side wall of the chute 2 is rolling friction, so that wear on the raised portion and the guide rail may be reduced.
Specifically, the protruding portion includes at least a first roller, an axis of the first roller is parallel to the second direction, and the first roller is rotatably disposed on the moving platform 1, and a rotation axis of the first roller relative to the moving platform 1 coincides with an axis of the first roller. At this time, the first side wall and the second side wall of the chute 2 are both in rolling contact with the circumferential surface of the first roller.
It will be appreciated that the chute 2 may also have a third side wall perpendicular to the second direction, and the third side wall is located between the first side wall and the second side wall, i.e. the chute 2 is formed in a C-shape in a cross section perpendicular to the third direction.
At this time, the protruding portion further includes a second roller, an axis of the second roller is parallel to the first direction, and the second roller can rotate around its own axis. At this time, the circumferential surface of the second roller is in rolling contact with the third side wall of the chute 2, so that the contact point between the protruding part and the chute 2 is increased, and the stability of the running mechanism for the power conversion device is improved.
The second roller may be disposed on the mobile platform 1 or on the first roller.
When the second rollers are arranged on the mobile platform 1 and the first rollers are provided with at least two, the second rollers and the first rollers are distributed at intervals.
When the second roller is arranged on the first roller, the second roller corresponds to the first roller one by one. At this time, the composite roller 3 may be directly selected as the boss. Specifically, the composite roller 3 includes a large roller and a small roller, the small roller is rotatably disposed on the small roller, the axis of the large roller is perpendicular to the axis of the small roller, and the circumferential surface of the small roller protrudes from the end surface of the large roller. When the composite roller 3 is mounted on the moving platform 1, the axis of the large roller may be made parallel to the second direction, and the axis of the small roller may be made parallel to the first direction.
In an optional modification, the guide rail includes a chassis 4 and a guide frame 5, and the chassis 4 is used for fixing to a target installation position such as the ground. The guide frame 5 is provided on the bottom frame 4, and the guide frame 5 extends in the third direction. The guide frames 5 are arranged in pairs, each pair of guide frames 5 are distributed at intervals along the second direction, and the sliding grooves 2 are formed in the guide frames 5.
The guide frames 5 may be provided in one pair, or at least two pairs, and each pair of guide frames 5 is distributed along the third direction and butted together.
The chute 2 is positioned on one side of each pair of guide frames 5, the guide frames 5 are detachably connected with the underframe 4, and the movable platform 1 can be conveniently assembled and connected with the guide rails.
For the connection structure of the guide frame 5 and the bottom frame 4, in this embodiment, a first flange is disposed on the bottom frame 4, a second flange is disposed on the guide frame 5, and the first flange and the second flange can be connected together by using connecting bolts, so as to realize connection between the guide frame 5 and the bottom frame 4.
In some embodiments, a reinforcing rib is disposed on a side of the guide frame 5 away from the mobile platform 1, where the reinforcing rib is disposed to enhance the structural strength and rigidity of the guide frame 5. Specifically, the reinforcing rib may be provided in the form of a reinforcing rib plate, and a plurality of reinforcing rib plates are provided, and the plurality of reinforcing rib plates are distributed at intervals along the extending direction of the guide frame 5.
In some embodiments, the running gear for the power conversion device further comprises a drive assembly and/or a swivel assembly.
The driving component is used for driving the moving platform 1 to drive the protruding part to slide relative to the guide rail.
Specifically, the driving assembly can be, but is not limited to, a screw nut transmission assembly, a gear rack transmission assembly, a chain wheel and chain transmission assembly, a hydraulic cylinder, an air cylinder, an electric cylinder and the like.
In this embodiment, the driving assembly is configured as a rack and pinion transmission assembly, which is beneficial to improving the sliding precision of the mobile platform 1. Specifically, the drive assembly includes rack and pinion drive assembly and first driving piece 7, and rack and pinion drive assembly sets up between moving platform 1 and guide rail, and rack 8 and moving platform 1 fixed connection of rack and pinion drive assembly's gear is first gear 9, and first gear 9 rotates with the guide rail to be connected, and first driving piece 7 is connected with first gear 9 transmission. The first driving piece 7 is used for driving the first gear 9 to rotate relative to the guide rail, so that the sliding of the mobile platform 1 relative to the guide rail can be realized.
The first driving member 7 may be a motor.
The first driving part 7 can be arranged in the mobile platform 1, so that the structure is compact, and the occupied space of the running mechanism for the power conversion device is reduced.
The rotation assembly is disposed between the power conversion device body 6 and the mobile platform 1, and is used for rotating the power conversion device body 6 relative to the mobile platform 1, and the rotation axis of the power conversion device body 6 relative to the mobile platform 1 is parallel to the first direction. When the battery changer body 6 rotates relative to the mobile platform 1, the grabbing direction of the battery by the battery changer body 6 can be adjusted.
Specifically, the slewing assembly comprises a slewing bearing 10, a second gear 11 and a second driving piece, wherein an inner ring of the slewing bearing 10 is fixedly connected with the mobile platform 1, an outer ring of the slewing bearing 10 is fixedly connected with the bottom end of the power conversion device body 6, and the second gear 11 is rotatably connected with the mobile platform 1. The outer ring of the slewing bearing 10 is provided with gear teeth, and the second gear 11 is meshed with the outer ring of the slewing bearing 10 for transmission. The second driving piece is used for driving the second gear 11 to rotate relative to the mobile platform 1, so that the power conversion device body 6 can rotate relative to the mobile platform 1.
The second driving member may be a motor.
The second driving part can be arranged in the mobile platform 1, so that the structure is compact, and the occupied space of the running mechanism for the power conversion device is reduced.
In some embodiments, the structure of the guide rail and the moving platform 1 is improved to improve the performance of preventing the battery changing device from tipping, and the battery changing device has the advantages of compact structure, high sliding precision of the battery changing device body 6, no clamping stagnation and no deviation. Compared with the technical scheme that the gravity of the base of the power conversion device is increased to prevent tipping by means of the gravity of the power conversion device, the running mechanism for the power conversion device is beneficial to reducing the quality of the power conversion device and the cost of the power conversion device, wherein the quality can be reduced by at least 50%, and the cost can be reduced by at least 50%.
On the other hand, the embodiment of the utility model also provides a power conversion device, which comprises a power conversion device body 6 and a travelling mechanism, wherein the power conversion device body 6 is arranged on the travelling mechanism, and the travelling mechanism is the travelling mechanism for the power conversion device provided by any embodiment. The running mechanism for the power conversion device provided by the embodiment can effectively prevent the power conversion device from tipping. Therefore, the power conversion device in the embodiment has a strong anti-tipping effect and strong stability. The development process of the beneficial effects of the power conversion device in the embodiment of the utility model is substantially similar to the development process of the beneficial effects of the travelling mechanism for the power conversion device, so that the description thereof is omitted herein.
In still another aspect, an embodiment of the present utility model further provides a power exchange station, including the travelling mechanism for a power exchange device or the power exchange device provided in any one of the embodiments. All advantages of the travelling mechanism for the power conversion device or the power conversion device are provided, and are not repeated here. The deduction process of the beneficial effects of the power exchange station in the embodiment of the utility model is substantially similar to the deduction process of the beneficial effects of the travelling mechanism for the power exchange device, so that the description is omitted here.
In the embodiment of the present utility model, the kind of the power exchange station is not limited, and for example, the power exchange station may be a mobile power exchange station, a fixed power exchange station, or the like. In other words, the power conversion station may use the travelling mechanism for the power conversion device in the embodiment of the present utility model.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A running gear for a power conversion device, comprising:
the mobile platform is used for supporting the power conversion device body along a first direction, protruding parts are arranged on two opposite sides of the mobile platform along a second direction, and the first direction is perpendicular to the second direction;
the guide rail is provided with a sliding groove extending along a third direction, the third direction is perpendicular to the first direction and the second direction, the sliding groove is provided with at least a first side wall and a second side wall, the first side wall and the second side wall are distributed at intervals along the first direction, the protruding part is positioned in the sliding groove and can slide relative to the sliding groove along the third direction, and the first side wall and the second side wall are both contacted with the protruding part.
2. The running gear for a power conversion device according to claim 1, wherein two groups of protruding portions are provided, the two groups of protruding portions are respectively provided on both sides of the moving platform, and each group of protruding portions are distributed at intervals along the third direction.
3. Running gear for a power conversion device according to claim 1 or 2, characterized in that the protruding part comprises at least:
the axis of the first roller is parallel to the second direction, and the first roller is rotatably arranged on the moving platform.
4. A running gear for a power conversion device according to claim 3, wherein the chute further has:
a third sidewall perpendicular to the second direction, the third sidewall being located between the first sidewall and the second sidewall;
the boss further includes:
the axis of the second roller is parallel to the first direction, the second roller is rotatably arranged on the moving platform or the second roller is rotatably arranged on the first roller, and the second roller is in contact with the third side wall.
5. The running gear for a power conversion device according to claim 4, wherein the protruding portion is a composite roller.
6. Running gear for a power conversion device according to claim 1 or 2, characterized in that the guide rail comprises:
a chassis;
the guide frames extend along the third direction, the guide frames are arranged in pairs, each pair of guide frames are distributed at intervals along the second direction, the sliding grooves are formed in the guide frames, and the guide frames are detachably connected with the underframe.
7. The running gear for a power conversion device according to claim 6, wherein a reinforcing rib is provided on a side of the guide frame away from the moving platform.
8. The running gear for a power conversion device according to claim 1 or 2, further comprising:
a drive assembly configured to drive the mobile platform to slide relative to the rail;
and/or, the rotation assembly is arranged between the power conversion device body and the moving platform, the rotation assembly is arranged to enable the power conversion device body to rotate relative to the moving platform, and the rotation axis of the power conversion device body relative to the moving platform is parallel to the first direction.
9. A power conversion device, characterized by comprising a power conversion device body and a travelling mechanism, wherein the power conversion device body is arranged on the travelling mechanism, and the travelling mechanism is the travelling mechanism for the power conversion device according to any one of claims 1 to 8.
10. A power exchange station comprising a running gear for a power exchange device according to any one of claims 1 to 8 or comprising a power exchange device according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322234930.0U CN220500660U (en) | 2023-08-18 | 2023-08-18 | Running mechanism for power conversion device, power conversion device and power conversion station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322234930.0U CN220500660U (en) | 2023-08-18 | 2023-08-18 | Running mechanism for power conversion device, power conversion device and power conversion station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220500660U true CN220500660U (en) | 2024-02-20 |
Family
ID=89865192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322234930.0U Active CN220500660U (en) | 2023-08-18 | 2023-08-18 | Running mechanism for power conversion device, power conversion device and power conversion station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220500660U (en) |
-
2023
- 2023-08-18 CN CN202322234930.0U patent/CN220500660U/en active Active
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