CN209833591U - Battery pack conveying device - Google Patents
Battery pack conveying device Download PDFInfo
- Publication number
- CN209833591U CN209833591U CN201920209626.1U CN201920209626U CN209833591U CN 209833591 U CN209833591 U CN 209833591U CN 201920209626 U CN201920209626 U CN 201920209626U CN 209833591 U CN209833591 U CN 209833591U
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- battery pack
- floating platform
- platform
- battery
- transfer device
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Abstract
The application discloses battery package conveyer. The battery pack transfer device includes: a transport mechanism for transporting the battery pack in a first direction; the conveying mechanism is arranged on the supporting platform; and a floating platform for carrying a battery pack and connected to the support platform such that the floating platform is positionally adjustable in a horizontal direction relative to the support platform and the transfer mechanism is positionally adjustable in a second direction relative to the floating platform. According to the utility model discloses a battery package conveyer can make things convenient for the change of battery package.
Description
Technical Field
The utility model relates to an automotive filed particularly, relates to a battery package conveyer.
Background
The battery replacement is a way for quickly supplementing energy to an electric automobile, and specifically means that a power battery of the automobile is taken down through a battery replacement device, and another group of power batteries is replaced. The battery replacement station is a place for replacing the power of the power battery of the automobile. One of the main challenges of battery replacement technology is the positioning of battery replacement equipment with a vehicle and a battery. This is because: after the positioning is finished, the battery replacing equipment can execute the battery replacing action to finish the separation and installation of the battery and the vehicle, namely finish the locking and unlocking operation of a fastening device connected between the battery and the vehicle; the position of each automobile entering the battery replacement station is not consistent, the battery replacement equipment needs to have the capability of coping with the uncertainty, if the initial positioning of the automobile relative to the battery replacement station is completed in the modes of a guide rail, a tire pushing mode and the like in design, the positioning often cannot reach higher positioning precision due to factors such as manufacturing tolerance of an automobile body and a battery, different tire pressures, chassis suspension deviation and the like, and the success rate and the reliability of battery replacement cannot be guaranteed.
There is a battery pack transfer apparatus for exchanging a battery pack of an electric vehicle, which requires a large work space. Therefore, it is desirable to provide a new battery pack transfer apparatus that can operate with small workspace requirements.
SUMMERY OF THE UTILITY MODEL
The utility model provides a battery package conveyer, it can reduce operating height, improves operational reliability, makes things convenient for the change of battery package.
According to the utility model discloses a battery package conveyer that aspect provided, include:
a transport mechanism for transporting the battery pack in a first direction;
the conveying mechanism is arranged on the supporting platform; and
a floating platform for carrying a battery pack and connected to the support platform such that the floating platform is positionally adjustable in a horizontal direction relative to the support platform and the transfer mechanism is positionally adjustable in a second direction relative to the floating platform.
According to the utility model discloses a battery package conveyer that an aspect provided be equipped with the opening in the floating platform, transport mechanism can pass the opening for floating platform adjusts the position in the second direction.
According to the utility model discloses a battery package conveyer that an aspect provided, transport mechanism includes the cylinder, through the rotation of cylinder conveys the battery package.
According to the utility model discloses a battery package conveyer that an aspect provided, transport mechanism includes the lift unit, the lift unit is used for adjusting in the second direction the cylinder for floating platform's position.
According to the utility model discloses a battery package conveyer that an aspect provided, floating platform includes the ware of screwing up for twist soon the bolt that is located battery package department.
According to the utility model discloses a battery package conveyer that an aspect provided, floating platform still includes: the cushion block is used for positioning and supporting the battery pack in the second direction; and the vehicle body positioning pin is used for determining the relative position of the floating platform and the vehicle body.
According to the utility model discloses a battery package conveyer that an aspect provided, floating platform still includes first sensor, is used for detecting the relative position of floating platform and automobile body.
According to the utility model discloses a battery package conveyer that an aspect provided, floating platform still includes the battery locating pin, is used for confirming the relative position of floating platform and battery package.
According to the utility model discloses a battery package conveyer that an aspect provided, floating platform still includes the second sensor, is used for detecting floating platform and battery package's relative position.
According to the utility model discloses a battery package conveyer that an aspect provided, battery package conveyer is still including setting up supporting platform with connecting piece between the floating platform, the connecting piece can be relative supporting platform rotates, and the connecting piece can be relative floating platform rotates.
According to the utility model discloses a battery package conveyer that an aspect provided, the connecting piece is the chain, the connecting piece with floating platform passes through the shackle to be connected, and the connecting piece with supporting platform passes through the shackle to be connected.
According to the utility model discloses a battery package conveyer that an aspect provided, battery package conveyer is still including setting up supporting platform with fixed establishment between the floating platform is used for fixing supporting platform with relative position between the floating platform.
According to the utility model discloses a battery package conveyer that an aspect provided be provided with the electrical apparatus box on the supporting platform for the operation of control tightening device.
According to the utility model discloses a battery package conveyer that an aspect provided be provided with a plurality of electrical apparatus boxes on the supporting platform, every electrical apparatus box is used for controlling the operation of one or more tightening device.
According to the utility model discloses a battery package conveyer that an aspect provided, supporting platform can bear on the track and along the track slides.
The beneficial effects of the utility model include: through setting transport mechanism to can be for floating platform adjusting position in the second direction, can effectual simplification battery package conveyer's structure, reduce battery package conveyer's height to conveniently trade going on smoothly of electricity process.
Drawings
The disclosure of the present invention is explained with reference to the drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts unless otherwise specified. Wherein:
fig. 1 schematically illustrates a floating platform in a battery pack transfer apparatus according to an embodiment of the present invention;
fig. 2 schematically shows a transfer mechanism in a battery pack transfer apparatus according to an embodiment of the present invention;
fig. 3 schematically illustrates a support platform and a rail in a battery pack transfer apparatus according to an embodiment of the present invention;
fig. 4 schematically shows a battery pack transfer apparatus and a rail according to an embodiment of the present invention;
fig. 5 schematically shows a battery pack transfer apparatus and a rail according to an embodiment of the present invention, wherein the battery pack transfer apparatus is in a state of carrying a battery.
Detailed Description
It is easily understood that, according to the technical solution of the present invention, a plurality of alternative structural modes and implementation modes can be proposed by those skilled in the art without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical solutions of the present invention, and should not be considered as limiting or restricting the technical solutions of the present invention in their entirety or in any other way.
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like referred to or may be referred to in this specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed correspondingly according to the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms.
In the following description, various parameters and components are described for different configurations of embodiments, and these specific parameters and components are only by way of example and do not limit the embodiments of the present application.
According to an embodiment of the present invention, shown in fig. 1 to 4, it can be seen that: the battery pack transfer device includes a transfer mechanism 1, a support platform 2, and a floating platform 3. The transport mechanism 1 is used for transporting the battery pack 4 in a first direction X; the conveying mechanism 1 is arranged on the supporting platform 2; the floating platform 3 is used for carrying a battery pack 4, and the floating platform 3 is connected with the support platform 2 such that the floating platform 3 can be adjusted in position in the horizontal direction with respect to the support platform 2, and the transfer mechanism can be adjusted in position in the second direction Y with respect to the floating platform 3.
The first direction X may be perpendicular to the second direction Y, for example, when the first direction X is a horizontal direction, correspondingly, the second direction Y is a vertical direction.
In the present application, by arranging the transfer mechanism so as to be able to adjust the position in the second direction Y with respect to the floating platform 3, the structure of the battery pack transfer apparatus can be effectively simplified; meanwhile, compared with the technical scheme that the floating platform 3 is arranged to be adjusted in position relative to the conveying mechanism in the second direction Y, the battery pack conveying device provided by the application keeps the position of the floating platform 3 relative to the supporting platform 2 in the second direction Y unchanged, so that the overall height of the battery pack conveying device can be reduced, and then the height of the vehicle to be replaced, which needs to be lifted, and the height of the battery pack storage station, which needs to be lifted, are reduced, and the battery replacing process is facilitated to be carried out smoothly.
Referring to fig. 1 and 4, in the embodiment shown, an opening 34 is provided in the floating platform 3, and the transfer mechanism 1 can be adjusted in position in the second direction Y relative to the floating platform 3 through the opening 34, so that the battery pack transfer apparatus is compact. Of course, it is also possible to arrange the transfer mechanism 1 around the floating platform 3 so that the battery pack 4 is smoothly transferred between the floating platform 3 and the transfer mechanism 1.
Referring to fig. 2, the transfer mechanism 1 may include a roller 11, and the battery pack 4 is transferred by rotation of the roller 11. The transport mechanism 1 further comprises a frame 13, in which frame 13 the drum 11 is rotatably supported. For example, the drum 11 has a rotating shaft, which is rotatably supported in the bracket 13 by a bearing. In the embodiment shown, the transport mechanism 1 comprises two rows of rollers distributed perpendicularly to the first direction X, each row of rollers comprising a plurality of motorized rollers 11 arranged at intervals along the first direction X, a drive being provided in each motorized roller 11 to drive the motorized roller 11 to transport the battery pack 4 along the first direction X.
The transfer mechanism 1 may include an elevating unit 12, and the elevating unit 12 may adjust the position of the drum 11 with respect to the floating platform 3 in the second direction Y. Preferably, each row of rollers is provided with a respective lifting unit 12, each lifting unit 12 being independently controllable. Further preferably, the lifting unit 12 includes a servo motor, and the servo motor adjusts the lifting movement height of the drum 11 according to a signal detected by a lifting height sensor.
The floating platform 3 includes a screw 31 for screwing a bolt located at the battery pack 4. The number and position of the tighteners 31 are adjusted according to the number and position of bolts for tightening the battery pack 4 to the vehicle body. In the illustrated embodiment, 10 fasteners 31 are provided corresponding to the periphery and the center of the battery pack 4, respectively, for tightening or loosening 10 bolts for fastening the battery pack 4 to the vehicle body.
In the battery pack transfer apparatus according to the present invention, by disposing the screw 31 on the floating platform 3, the floating platform 3 is not lifted or lowered during the working process, so that the operation of lifting or lowering the screw 31 is omitted, and the stability and reliability of the screw 31 during the working process can be improved; in addition, the working height required by the battery pack conveying device can be effectively reduced, the vehicle to be replaced does not need to be lifted too high, and potential safety hazards and energy consumption are reduced.
In the illustrated embodiment, the floating platform 3 further includes a spacer 32 and a body alignment pin 33. The spacers 32 are used for positioning and supporting the battery pack 4 in the second direction Y, for example, when the battery pack 4 is unloaded from the vehicle body to the battery pack transfer device, the position of the battery pack 4 in the vertical direction is first determined by the contact of the spacers 32 with the battery pack 4, and the battery pack 4 is carried on the floating platform 3 by the spacers 32. The vehicle body positioning pin 33 is used for determining the relative position of the floating platform 3 and the vehicle body, for example, the end part of the vehicle body positioning pin 33 is conical, and can be matched with a vehicle body positioning hole on the vehicle body, and the position of the floating platform 3 relative to the vehicle body can be finely adjusted through the vehicle body positioning pin 33, so that the relative position of the floating platform 3 and the vehicle body is accurately determined, and the electricity exchanging process is favorably carried out smoothly.
In the battery pack transfer device according to the present invention, by disposing the vehicle body positioning pin 33 on the floating platform 3, the floating platform 3 is not lifted or lowered during the working process, so that the lifting or lowering operation of the vehicle body positioning pin 33 is omitted, and the stability of the vehicle body positioning pin 33 during the working process can be improved; in addition, the working height required by the battery pack conveying device can be effectively reduced, the vehicle to be replaced does not need to be lifted too high, and potential safety hazards and energy consumption are reduced.
The floating platform 3 may further comprise a first sensor for detecting the relative position of the floating platform 3 and the vehicle body. For example, the first sensor is disposed near the vehicle body positioning pin 33, and is capable of detecting a relative position between the floating platform 3 and the vehicle body in a vertical direction and/or a horizontal direction, and performing a subsequent action after the floating platform 3 and the vehicle body are accurately positioned (for example, stopping a relative motion between the vehicle body and the floating platform 3 after the first sensor detects that the vehicle body and the floating platform 3 are accurately positioned), so as to ensure that a power exchanging process is safely and stably performed.
In the illustrated embodiment, the floating platform 3 also includes a battery locator pin 35 for determining the relative position of the floating platform 3 and the battery pack 4. The end of the battery positioning pin 35 can be configured to be conical, and can be matched with a battery positioning hole on the battery pack 4, and the position of the floating platform 3 relative to the battery pack 4 can be finely adjusted through the battery positioning pin 35, so that the relative position of the floating platform 3 and the battery pack 4 is accurately determined, and the smooth proceeding of the battery replacement process is facilitated.
In the battery pack transfer device according to the present invention, by disposing the battery positioning pin 35 on the floating platform 3, the floating platform 3 is not lifted or lowered during the operation, so that the operation of lifting or lowering the battery positioning pin 35 is omitted, and the stability of the battery positioning pin 35 during the operation can be improved; in addition, the working height required by the battery pack conveying device can be effectively reduced, the vehicle to be replaced does not need to be lifted too high, and potential safety hazards and energy consumption are reduced.
The floating platform 3 may also include a second sensor for detecting the relative position of the floating platform 3 and the battery pack 4. For example, the second sensor is disposed near the battery positioning pin 35, and is capable of detecting the relative position of the floating platform 3 and the battery pack 4 in the vertical direction and/or the horizontal direction, and performing subsequent actions after the floating platform 3 and the battery pack are accurately positioned (for example, stopping the relative movement between the battery pack 4 and the floating platform 3 after the battery pack 4 and the floating platform 3 are accurately positioned by the second sensor), so as to ensure that the battery replacement process is safely and stably performed.
According to an embodiment of the present invention, the battery pack transferring apparatus further includes a connecting member (not shown) disposed between the supporting platform 2 and the floating platform 3, wherein the connecting member can be opposite to the supporting platform 2 and the floating platform 3, and the connecting member can be opposite to the floating platform 3. By means of the connection between the support platform 2 and the floating platform 3, the floating platform 3 is able to adjust the position of the floating platform 3 relative to the support platform 2 in the horizontal direction, so as to accurately position the floating platform 3 with the battery pack 4 or the vehicle body (for example, by means of the vehicle body positioning pin 33 or the battery positioning pin 35 described above), and after the battery pack 4 is completely detached from the vehicle body or the battery pack storage station, the battery pack 4 has been placed on the floating platform 3, and the floating platform 3 can return to the initial position under the action of gravity, so as to accurately define the position of the battery pack 4 relative to the support platform 2, facilitating the positioning of the battery pack 4 in the subsequent action.
Illustratively, the connecting member is a chain, the connecting member is connected with the floating platform 3 through a shackle, and the connecting member is connected with the supporting platform 2 through a shackle. The shackle is simple and reliable in connection, and meanwhile, the relative rotation between the connecting piece and the supporting platform 2 of the floating platform 3 can be kept.
According to an embodiment of the present invention, the battery pack transferring apparatus further comprises a fixing mechanism (not shown) disposed between the supporting platform 2 and the floating platform 3 for fixing a relative position between the supporting platform 2 and the floating platform 3. Illustratively, the securing mechanism comprises a suction cup disposed on the floating platform 3. After the relative position between the support platform 2 and the floating platform 3 is adjusted, the suction cup is electrified and can be adsorbed on the support platform 2 by means of electromagnetic force, so that the relative position between the support platform 2 and the floating platform 3 is fixed.
Referring to fig. 3, in the illustrated embodiment, an electrical box 21 is provided on the support platform 2 for controlling the operation of the tightener 31. Preferably, instead of using one magazine 21 to control all the tighteners, a plurality of magazines 21 are provided on the support platform 2, each magazine 21 being intended to control the operation of one or more tighteners 31, the magazines 21 being distributed around the floating platform 3, for example, at the periphery of the support platform 2; by the dispersed arrangement of the plurality of electrical boxes 21, a large space occupied when one electrical box 21 is used can be avoided, so that the arrangement of the battery pack transmission device is more compact.
The electronics box may control the rotational speed, rotational direction, and lifting motion of the tightener 31. For example, all the electric boxes 21 control the respective tighteners 31 to rotate and/or ascend and descend synchronously; illustratively, all of the cartridges 21 are connected to a controller, which sends control signals to all of the cartridges 21 so that all of the cartridges 21 control the respective screwers 31 to rotate and/or lift synchronously. Of course, each electric box 21 may control each tightening unit 31 to rotate and/or lift independently of each other as needed.
In the embodiment shown, the support platform 2 can be carried on rails 5 and slid along the rails 5 to transport battery packs 4 unloaded from the vehicle body to a battery pack storage station for charging or to transport fully charged battery packs 4 from the battery pack storage station to the vehicle body. Exemplarily, the support platform 2 has a chute which surrounds the rail 5, by means of which chute the support platform 2 is carried on the rail 5 and slides along the rail 5; or the support platform 2 has a slider which is embedded in a track groove of the track 5, and the support platform 2 is carried in the track 5 by the slider and slides along the track groove by the slider. For example, the support platform 2 further comprises a driving mechanism for driving the battery pack transfer device to slide along the rail 5.
Referring to fig. 5, an exemplary process for transporting batteries using the battery pack transfer apparatus according to the present invention is as follows:
1) after the automobile enters a preset position in the battery replacing station, the automobile is lifted, the battery pack conveying device slides along the rail 5 to the lower part of the automobile body, and the roller 11 of the conveying mechanism 1 is positioned below the floating platform 3 in the vertical direction;
2) the automobile is slowly descended, and the floating platform 3 is horizontally floated relative to the supporting platform 2 by means of the matching between the automobile body positioning pin 33 on the floating platform 3 and the automobile body positioning hole on the automobile body, so that the precise position between the floating platform 3 and the automobile body is adjusted, and the screwing device 31 is ensured to be aligned with the position of the bolt on the battery pack 4 on the automobile body;
3) in order to ensure that the body positioning pin 33 does not interfere with the lowering movement of the vehicle and that the lowering movement of the vehicle does not damage the body positioning pin 33 during the continued lowering of the vehicle:
3.1) the vehicle body positioning pin 33 on the floating platform 3 descends synchronously; or
3.2) in the case that the floating platform 3 is provided with a suction cup, after the precise position between the floating platform 3 and the vehicle body is adjusted, the relative position between the floating platform 3 and the supporting platform 2 is fixed by the suction cup, and then the vehicle body positioning pin 33 is lowered in advance of the lowering of the vehicle body,
4) the automobile descends until the battery pack 4 contacts the cushion block 32 on the floating platform 3 (or the first sensor detects that the distance between the floating platform 3 and the automobile body reaches the preset distance), the bolt on the battery pack 4 is loosened by the screw 31, and the battery pack 4 is unloaded from the automobile body and then is loaded on the cushion block 32 of the floating platform 3;
5) lifting the vehicle to a predetermined height, lifting the drum 11 by the lifting unit 12 until the drum 11 is vertically above the floating platform 3 and fully carries the battery pack 4;
6) the battery pack conveying device slides along the rail 5 to the battery pack storage station, and the battery pack 4 is conveyed to the battery pack storage station through the roller 11;
7) transferring the fully charged battery pack 4 from the battery pack storage station to a battery pack transfer device by means of a roller 11, the battery pack transfer device sliding the battery pack 4 along a rail 5 to below the vehicle body;
8) the battery pack 4 is lowered synchronously by slowly lowering the drum 11 by the lifting unit 12, and the floating platform 3 "floats" in the horizontal direction with respect to the support platform 2 by virtue of the cooperation between the battery positioning pins 35 on the floating platform 3 and the battery positioning holes on the battery pack 4, thereby adjusting the precise position between the floating platform 3 and the battery pack 4 and ensuring that the screw 31 is aligned with the position of the bolt on the battery pack 4;
9) the roller 11 descends until the battery pack 4 contacts the spacers 32 on the floating platform 3 (or the preset distance between the floating platform 3 and the battery pack 4 is detected by the second sensor) and is completely borne on the spacers 32 of the floating platform 3;
10) the automobile is slowly descended, and the floating platform 3 is floated in the horizontal direction relative to the supporting platform 2 by means of the matching between the automobile body positioning pin 33 on the floating platform 3 and the automobile body positioning hole on the automobile body, so that the accurate position between the floating platform 3 and the automobile body is adjusted;
11) the vehicle is lowered until the battery pack 4 enters a predetermined mounting position in the vehicle body (or a predetermined distance is reached between the floating platform 3 and the vehicle body is detected by the first sensor), and then the bolt on the battery pack 4 is tightened by the tightening device 31, and the battery pack 4 is mounted on the vehicle body;
12) lifting the automobile to a preset height, and sliding the battery pack conveying device along the track 5 to leave the lower part of the automobile body; and then the automobile is descended to finish the battery replacement process.
The technical scope of the present invention is not limited to the content in the above description, and those skilled in the art can make various modifications and alterations to the above embodiments without departing from the technical spirit of the present invention, and these modifications and alterations should fall within the protection scope of the present invention.
Claims (15)
1. A battery pack transfer apparatus, comprising:
-a transfer mechanism (1) for transferring a battery pack (4) in a first direction (X);
the conveying mechanism (1) is arranged on the supporting platform (2); and
a floating platform (3), the floating platform (3) being adapted to carry a battery pack (4), and the floating platform (3) being connected to the support platform (2) such that the floating platform (3) is adjustable in position in a horizontal direction relative to the support platform (2), and the transfer mechanism (1) is adjustable in position in a second direction (Y) relative to the floating platform (3).
2. Battery pack transfer device according to claim 1, characterized in that an opening (34) is provided in the floating platform (3), through which opening (34) the transfer mechanism (1) can be adjusted in position in the second direction (Y) relative to the floating platform (3).
3. The battery pack transfer apparatus according to claim 1, wherein the transfer mechanism (1) includes a roller (11), and the battery pack (4) is transferred by rotation of the roller (11).
4. A battery pack transfer device according to claim 3, wherein the transfer mechanism (1) comprises a lifting unit (12), the lifting unit (12) being adapted to adjust the position of the roller (11) relative to the floating platform (3) in the second direction (Y).
5. Battery pack transfer device according to claim 1, characterized in that the floating platform (3) comprises a tightening means (31) for screwing a bolt located at the battery pack (4).
6. The battery pack transfer device according to claim 1, wherein the floating platform (3) comprises: a spacer (32) for positioning and supporting the battery pack (4) in the second direction (Y); and a vehicle body positioning pin (33) for determining the relative position of the floating platform (3) and the vehicle body.
7. Battery pack transfer device according to claim 6, characterized in that the floating platform (3) further comprises a first sensor for detecting the relative position of the floating platform (3) and the vehicle body.
8. Battery pack transfer device according to claim 1, wherein the floating platform (3) further comprises a battery positioning pin (35) for determining the relative position of the floating platform (3) and the battery pack (4).
9. Battery pack transfer device according to claim 8, characterized in that the floating platform (3) further comprises a second sensor for detecting the relative position of the floating platform (3) and the battery pack (4).
10. A battery pack transfer device according to claim 1, further comprising a coupling member arranged between the support platform (2) and the floating platform (3), the coupling member being rotatable relative to the support platform (2) and the coupling member being rotatable relative to the floating platform (3).
11. Battery pack transfer device according to claim 10, characterized in that the connecting member is a chain, which is connected with the floating platform (3) by shackles and which is connected with the support platform (2) by shackles.
12. A battery pack transfer device according to claim 1, further comprising a fixing mechanism provided between the support platform (2) and the floating platform (3) for fixing the relative position between the support platform (2) and the floating platform (3).
13. Battery pack transfer device according to claim 1, characterized in that an electrical box (21) is provided on the support platform (2) for controlling the operation of a screw down (31).
14. Battery pack transfer device according to claim 13, characterized in that a plurality of electrical boxes (21) are provided on the support platform (2), each electrical box (21) being used to control the operation of one or more tighteners (31).
15. Battery pack transfer device according to claim 1, characterized in that the support platform (2) is able to be carried on a rail (5) and slide along the rail (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920209626.1U CN209833591U (en) | 2019-02-19 | 2019-02-19 | Battery pack conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920209626.1U CN209833591U (en) | 2019-02-19 | 2019-02-19 | Battery pack conveying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209833591U true CN209833591U (en) | 2019-12-24 |
Family
ID=68904135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920209626.1U Active CN209833591U (en) | 2019-02-19 | 2019-02-19 | Battery pack conveying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209833591U (en) |
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2019
- 2019-02-19 CN CN201920209626.1U patent/CN209833591U/en active Active
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