CN220537293U - Battery hoisting accessory and battery replacement equipment - Google Patents
Battery hoisting accessory and battery replacement equipment Download PDFInfo
- Publication number
- CN220537293U CN220537293U CN202322247567.6U CN202322247567U CN220537293U CN 220537293 U CN220537293 U CN 220537293U CN 202322247567 U CN202322247567 U CN 202322247567U CN 220537293 U CN220537293 U CN 220537293U
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- traction rope
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- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 238000004804 winding Methods 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000004350 Strabismus Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Forklifts And Lifting Vehicles (AREA)
Abstract
The utility model relates to the technical field of vehicle battery replacement, and provides a battery lifting device and battery replacement equipment, wherein the battery lifting device comprises a lifting appliance for driving a battery to lift; the lifting mechanisms are arranged above the lifting appliance and are provided with a plurality of lifting mechanisms, each lifting mechanism comprises a reversing device and a traction rope, the traction ropes are connected with the lifting appliance after bypassing the reversing device, the reversing device is used for converting the traction ropes from a first direction to a second direction, the traction ropes are connected with the surface of the lifting appliance along the second direction in a non-right angle manner, so that the traction ropes generate a horizontal outward tension component force on the lifting appliance, and the resultant force of the horizontal outward tension component force of the traction ropes acting on the lifting appliance is zero; when the traction rope lifts the lifting appliance, the traction rope can generate a horizontal outward tension component force on the lifting appliance, and the resultant force of the horizontal outward tension component force of the plurality of traction ropes acting on the lifting appliance is zero, so that the battery is more stable in the lifting process and is not easy to shake.
Description
Technical Field
The utility model relates to the technical field of vehicle power conversion, in particular to a battery lifting device and power conversion equipment.
Background
The battery replacement station and the battery replacement vehicle are novel endurance modes for centralized storage, centralized charging and unified distribution of a large number of batteries and battery replacement service of the electric vehicle. When the power battery on the electric automobile is taken down, the power battery taken down needs to be lifted and moved for replacement.
The existing battery replacement equipment generally adopts a lifting mechanism with a steel wire rope to lift the taken down power battery, but the battery is difficult to ensure the battery posture when the vehicle is in power replacement due to the flexible characteristic of the rope in the lifting process, especially in the rugged power replacement scene of road conditions, so that the battery can be taken and put to shake, collide and other conditions.
Disclosure of Invention
The utility model provides a battery lifting device and battery replacing equipment, which are used for solving the problem that in the prior art, battery shaking easily occurs when a lifting appliance is used for taking a battery.
In a first aspect, the present utility model provides a battery lifting device comprising:
the lifting appliance is used for driving the battery to lift;
the lifting mechanisms are arranged above the lifting appliance and are multiple, each lifting mechanism comprises a reversing device and a traction rope, the traction ropes are connected with the lifting appliance after bypassing the reversing device, the reversing devices are used for converting the traction ropes into second directions from the first directions, the traction ropes are connected with the surface of the lifting appliance along the second directions in a non-right angle manner, so that the traction ropes generate horizontal outward tension component force on the lifting appliance, and the resultant force of the horizontal outward tension component force of the traction ropes acting on the lifting appliance is zero.
According to the battery lifting device provided by the utility model, the reversing device comprises the pulley, the outer circumferential surface of the pulley is provided with the first annular groove for accommodating the traction rope, and the traction rope enters the first annular groove along the first direction and is converted into inclined connection with the lifting appliance along the second direction along the circular arc track of the first annular groove.
The battery lifting device provided by the utility model further comprises a lifting platform, a plurality of lifting mechanisms are arranged on the lifting platform, a mounting seat is arranged on the lifting platform, and the pulley is rotatably connected to the mounting seat.
According to the battery lifting device provided by the utility model, the mounting seat is further provided with the guide part, the guide part is arranged above the pulley, and the guide part is used for enabling the traction rope to enter the first annular groove in the pulley along the first direction.
According to the battery lifting device provided by the utility model, the guiding component comprises a guiding channel arranged along a first direction, and the guiding channel is used for enabling the traction rope to pass through and enter the first annular groove along the first direction.
According to the battery lifting device provided by the utility model, the guiding part comprises the guiding wheel, the guiding wheel is rotatably connected to the mounting seat, the outer circumferential surface of the guiding wheel is provided with the second annular groove for accommodating the traction rope, the first annular groove corresponds to the second annular groove, the traction rope is positioned between the pulley and the guiding wheel, and the traction rope is abutted against the first annular groove and the second annular groove.
According to the battery lifting device provided by the utility model, the lifting mechanism further comprises a driving motor, a winding drum and a winding drum support, wherein the driving motor and the winding drum support are both arranged on the lifting platform, the winding drum is rotatably connected to the winding drum support, the winding drum is coiled with the traction rope, and an output shaft of the driving motor is in transmission connection with the winding drum and is used for driving the winding drum to rotate so as to retract and release the traction rope.
According to the battery lifting device provided by the utility model, the winding drum bracket is further provided with the lead hole for enabling the traction rope to pass through, and the lead hole corresponds to the first annular groove.
In a second aspect, the utility model also provides a trolley changing lifting appliance comprising a lifting arm and a battery lifting device as described in the first aspect, wherein a lifting platform of the battery lifting device is connected with the lifting arm.
According to the trolley changing lifting appliance provided by the utility model, the middle part of the lifting platform is provided with the rotating mechanism, the suspension arm is provided with the motor, and the motor is in transmission connection with the rotating mechanism and is used for driving the lifting platform to rotate.
The utility model provides a battery lifting device, which comprises a lifting appliance and a lifting mechanism, wherein the lifting mechanism comprises a reversing device and a traction rope; through setting up the reversing device, make the haulage rope convert into along the non-right angle connection of second direction and hoist surface from the first direction behind the reversing device and be connected, so set up, make the haulage rope when lifting the hoist, the haulage rope can produce the traction force of incline direction to the hoist to can produce the outside pulling force component of level, and the resultant force of the outside pulling force component of level of a plurality of haulage ropes on the hoist is zero, compare in only providing vertical traction force, adopt the device to make the battery more stable at the lift in-process, be difficult for rocking.
The utility model also provides a battery replacing device which comprises the suspension arm and the battery lifting device. The deduction process of the beneficial effects is substantially similar to the deduction process of the beneficial effects brought by the battery lifting device, and is not repeated here.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a battery lifting device according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a reversing device according to an embodiment of the present utility model;
fig. 3 is a schematic diagram of a state of a battery lifting device for lifting a battery according to an embodiment of the present utility model.
Reference numerals:
1. a lifting platform; 2. a lifting appliance; 3. a reversing device; 31. a mounting base; 32. a pulley; 33. a guide wheel; 4. a traction rope; 5. a reel; 6. a driving motor; 7. a spool support; 8. and a guide plate.
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.
A battery lifting device and a battery replacing device according to embodiments of the present utility model are described below with reference to fig. 1 to 3.
The battery hoisting accessory that this embodiment provided includes: a lifting appliance 2 and a lifting mechanism.
The lifting mechanisms are arranged above the lifting appliance 2 and are multiple, each lifting mechanism comprises a reversing device 3 and a traction rope 4, the traction ropes are connected with the lifting appliance 2 after bypassing the reversing device 3, the reversing device 3 is used for converting the traction ropes 4 from a first direction to a second direction, the traction ropes 4 are connected with the surface of the lifting appliance 2 along the second direction in a non-right angle manner, so that the traction ropes 4 generate a horizontal outward tension component force on the lifting appliance 2, and the resultant force of the horizontal outward tension component force of the traction ropes 4 acting on the lifting appliance 2 is zero.
Compared with the prior art, the utility model has the advantages that the plurality of lifting mechanisms are arranged for providing balanced traction force for the lifting appliance 2, so that when the lifting appliance 2 is lifted by the traction ropes 4, the periphery of the lifting appliance 2 is uniformly stressed, the battery is driven to stably lift, the traction ropes 4 are converted into non-right angle connection with the surface of the lifting appliance 2 along the second direction after passing through the reversing device 3 by arranging the reversing device 3, when the lifting appliance 2 is lifted by the traction ropes 4, the traction ropes 4 can generate traction force in an inclined direction on the lifting appliance 2, thereby generating horizontal outward tension component force, and the resultant force of the horizontal outward tension component force of the plurality of traction ropes 4 acting on the lifting appliance 2 is zero.
In this embodiment, the reversing device 3 includes a pulley 32, and a first annular groove for accommodating the traction rope 4 is provided on an outer circumferential surface of the pulley 32, and the traction rope 4 enters the first annular groove along a first direction and is connected with the sling 2 in an inclined manner along a second direction along an arc track of the first annular groove.
So set up, through setting up fixed pulley 32 on mount pad 31, haulage rope 4 tightly supports in first annular groove behind pulley 32 for location haulage rope 4 and provide the guide effect, through utilizing the rolling contact between pulley 32 and the haulage rope 4, make haulage rope 4 change the second direction by first direction along the circular orbit of first annular groove naturally smooth and easy, and the contact surface between haulage rope 4 and the first annular groove is the arcwall face, and the process pulley 32 of haulage rope 4 motion also rotates thereupon, can not cause wearing and tearing to haulage rope 4.
In one embodiment, the lifting platform further comprises a lifting platform 1, a plurality of lifting mechanisms are arranged on the lifting platform 1, a mounting seat 31 is arranged on the lifting platform 1, and a pulley 32 is rotatably connected to the mounting seat 31.
For example, as shown in fig. 1, the lifting platform 1 is rectangular, four mounting seats 31 are respectively mounted at positions corresponding to each corner on the outer side of the lifting platform 1, the mounting seats 31 are provided with a connecting portion and a mounting portion, the connecting portion is fixedly connected on the outer side of the lifting platform 1, the mounting portion is used for mounting the pulley 32 and is obliquely connected with the connecting portion, the mounting portion extends outwards along the diagonal direction of the lifting platform 1, the pulley 32 is mounted on the outer side of the lifting platform 1, after the pulley 32 is mounted, the contact point between the traction rope 4 and the pulley 32 is located on the periphery of the lifting platform 1 and the lifting appliance 2, namely, the area surrounded by the pulleys 32 is larger than the surface area of the lifting platform 1 and the surface area of the lifting appliance 2, so that the traction rope 4 can be obliquely connected on the lifting appliance 2 after passing through the pulley 32.
Further, the mounting seat 31 is also provided with a guiding member arranged above the pulley 32 for enabling the traction rope 4 to enter the first annular groove in the pulley 32 in the first direction. So set up, through setting up guide part in pulley 32 top, can further improve the guide effect to haulage rope 4, make it can follow the first annular groove of first direction entering pulley 32 all the time, and can not be in drawing in-process haulage rope 4 to hoist 2 and take place the skew, make haulage rope 4 break away from first annular groove.
In a specific embodiment, the guiding member comprises a guiding channel arranged in a first direction, e.g. the guiding member may be arranged as a hollow tube, the cavity in the tube forming the guiding channel; other shapes of structures are also possible, such as a block-shaped object with a through hole, which serves as the guide channel; the guide channel comprises an inlet for allowing the haulage rope 4 to enter the guide channel and an outlet corresponding to the first annular groove, the guide channel being for allowing the haulage rope 4 to enter the first annular groove in a first direction.
In this embodiment, the guiding component includes a guiding wheel 33, the guiding wheel 33 is rotatably connected to the mounting seat 31, as shown in fig. 2, the guiding wheel 33 may be disposed obliquely above the pulley 32, a second annular groove for accommodating the traction rope 4 is disposed on the outer circumferential surface of the guiding wheel 33, the first annular groove corresponds to the second annular groove, the traction rope 4 is located between the pulley 32 and the guiding wheel 33, and the traction rope 4 abuts against both the first annular groove and the second annular groove; so set up, use through guide wheel 33 and pulley 32 cooperation, make first annular groove be used for haulage rope 4 to realize the switching-over along the circular arc transition, the second annular groove is used for playing spacing guide effect to haulage rope 4, because first annular groove is corresponding with the second annular groove, lean on in first annular groove and second annular groove through haulage rope 4, restraint haulage rope 4 makes it follow the first direction motion all the time and can not squint.
In this embodiment, the hoisting mechanism further comprises a driving motor 6, a winding drum 5 and a winding drum support 7, wherein the driving motor 6 and the winding drum support 7 are both arranged on the hoisting platform 1, the winding drum 5 is rotatably connected to the winding drum support 7, a traction rope 4 is coiled in the winding drum 5, and an output shaft of the driving motor 6 is in transmission connection with the winding drum 5 and is used for driving the winding drum 5 to rotate so as to retract and release the traction rope 4.
Further, a wire leading hole for allowing the traction rope 4 to pass through is further formed in the reel bracket 7, the wire leading hole corresponds to the first annular groove, for example, a guide plate 8 is arranged on the reel bracket 7, the guide plate 8 corresponds to a wire collecting groove of the reel 5, and one side of the guide plate 8 corresponding to the reel 5 is provided with the wire leading hole; by arranging the lead hole, the traction rope 4 passes through the lead hole and then enters the reversing device 3, and by arranging the lead hole to correspond to the first annular groove, the traction rope 4 below the winding drum 5 always enters the reversing device 3 along the first direction, and the traction rope 4 cannot deviate to be separated from the reversing device 3.
In a specific embodiment, at least three lifting mechanisms are provided, for example, the lifting platform 1 is triangular, three lifting mechanisms are provided, the three lifting mechanisms are uniformly distributed on three sides or three corners of the lifting platform 1, and three traction ropes 4 are uniformly distributed and connected on the lifting appliance 2 and used for providing balanced traction force for the lifting appliance 4, each traction rope 4 provides oblique traction force for the lifting appliance 2, so that the lifting appliance 4 drives a battery to lift, and the resultant force of the horizontal outward tension force components of the three traction ropes 4 acting on the lifting appliance 2 is zero.
In another specific embodiment, the lifting platform 1 and the lifting appliance 2 are rectangular structures, and a plurality of lifting mechanisms are distributed around the lifting platform 1 to respectively provide traction force for two sides and two ends of the lifting appliance 2 at the same time; the four hoisting mechanisms are arranged, and are distributed around or at four corners of the hoisting platform 1 in a pairwise opposite manner; for example, the four hoisting mechanisms are respectively and correspondingly installed at four corners of the rectangular hoisting platform 1, and the second ends of the traction ropes 4 of each hoisting mechanism are correspondingly connected to one corner of the lifting appliance 2, so that the four traction ropes 4 simultaneously act on the four corners of the lifting appliance 2, and as the second ends of the traction ropes 4 pass through the reversing device 3 along the first direction and are obliquely connected with the lifting appliance 2 along the second direction, each traction rope 4 provides an outwards inclined traction force for the lifting appliance 2, the inclined traction force can provide a horizontal outwards traction force component for the lifting appliance 2, and the resultant force of the horizontal outwards traction force components of the four traction ropes 4 acting on the lifting appliance 2 is zero, so that the lifting appliance 2 can avoid shaking in the process of driving a battery to lift, and the lifting appliance is more stable.
Or, four lifting mechanisms are correspondingly arranged at the middle positions around the rectangular lifting platform 1 respectively, and the second end of the traction rope 4 of each lifting mechanism is correspondingly connected at the middle position around the lifting appliance 2, so that the inclined traction force can provide a component force in the horizontal direction for the lifting appliance 2 in the lifting appliance 2 lifting process, and balanced and stable traction force can be provided for the lifting appliance 2, so that the lifting appliance 2 is more stable in the battery lifting process.
That is, the number of hoisting mechanisms and the positions of the traction ropes 4 are set according to the shape of the hoisting platform 1, so that the hoisting mechanisms can apply force to the hoisting tool 2 in a balanced manner.
As shown in fig. 1, the lifting platform 1 and the lifting device 2 are rectangular structures, the lifting device 2 is collinear with the center of the lifting platform 1, the surface area of the lifting device 2 is smaller than that of the lifting platform 1, the first direction can be a vertical direction, an included angle is formed between the second direction and the first direction, and the traction rope 4 can provide traction force for the lifting device 2 to incline outwards.
Of course, this is merely an example, and is not intended to limit the scope of protection. The shape of the lifting platform 1 and the number and position of the reels 5 are not limiting in any way.
The embodiment of the utility model also provides a battery replacing device which comprises the suspension arm and the battery lifting device, wherein the lifting platform 1 of the battery lifting device is connected with the suspension arm.
The battery replacing equipment can be a battery replacing car or a battery replacing station, and the battery lifting device comprises all the advantages of the battery lifting device.
Further, a slewing mechanism is arranged in the middle of the lifting platform 1, the slewing mechanism comprises a slewing bearing in the related art, a suspension arm is provided with a motor, and the motor is in transmission connection with the slewing mechanism and is used for driving the lifting platform 1 to rotate; when the battery lifting device is used for taking the battery, the lifting platform 1 can be rotated according to the position and the angle of the battery, so that the lifting appliance 2 can be matched with the battery conveniently.
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 battery lifting device, comprising:
the lifting appliance (2) is used for driving the battery to lift;
the lifting mechanisms are arranged above the lifting devices (2) and are arranged in a plurality of ways, each lifting mechanism comprises a reversing device (3) and a traction rope (4), the traction ropes are connected with the lifting devices (2) after bypassing the reversing devices (3), the reversing devices (3) are used for converting the traction ropes (4) from a first direction to a second direction, the traction ropes (4) are connected with the surfaces of the lifting devices (2) along the second direction in a non-right angle manner, so that the traction ropes (4) are used for generating horizontal outward tension component force on the lifting devices (2), and the resultant force of the horizontal outward tension component force of the traction ropes (4) acting on the lifting devices (2) is zero.
2. Battery lifting device according to claim 1, characterized in that the reversing device (3) comprises a pulley (32), a first annular groove for accommodating the traction rope (4) is arranged on the outer circumferential surface of the pulley (32), and the traction rope (4) enters the first annular groove along a first direction and is converted into a connection with the lifting appliance (2) along a second direction along the circular arc track of the first annular groove.
3. The battery lifting device according to claim 2, further comprising a lifting platform (1), wherein a plurality of lifting mechanisms are arranged on the lifting platform (1), a mounting seat (31) is arranged on the lifting platform (1), and the pulley (32) is rotatably connected to the mounting seat (31).
4. A battery lifting device according to claim 3, characterized in that the mounting base (31) is further provided with a guiding member arranged above the pulley (32), the guiding member being adapted to enable the traction rope (4) to enter the first annular groove in the pulley (32) in a first direction.
5. Battery lifting device according to claim 4, characterized in that the guiding means comprise a guiding channel arranged in a first direction for passing the traction rope (4) and into the first annular groove in the first direction.
6. The battery lifting device according to claim 4, wherein the guiding member comprises a guiding wheel (33), the guiding wheel (33) is rotatably connected to the mounting seat (31), a second annular groove for accommodating the traction rope (4) is formed in the outer circumferential surface of the guiding wheel (33), the first annular groove corresponds to the second annular groove, the traction rope (4) is located between the pulley (32) and the guiding wheel (33), and the traction rope (4) is abutted to the first annular groove and the second annular groove.
7. The battery lifting device according to any one of claims 3-6, characterized in that the lifting mechanism further comprises a driving motor (6), a winding drum (5) and a winding drum support (7), wherein the driving motor (6) and the winding drum support (7) are both arranged on the lifting platform (1), the winding drum (5) is rotatably connected to the winding drum support (7), the traction rope (4) is coiled in the winding drum (5), and an output shaft of the driving motor (6) is in transmission connection with the winding drum (5) and is used for driving the winding drum (5) to rotate so as to retract the traction rope (4).
8. Battery lifting device according to claim 7, characterized in that the reel bracket (7) is further provided with a lead hole for passing the traction rope (4), which corresponds to the first annular groove.
9. A battery exchange device, characterized by comprising a boom and a battery lifting device according to any of claims 1-8, a lifting platform (1) of the battery lifting device being connected to the boom.
10. The power conversion equipment according to claim 9, characterized in that the middle part of the lifting platform (1) is provided with a slewing mechanism, the suspension arm is provided with a motor, and the motor is in transmission connection with the slewing mechanism and is used for driving the lifting platform (1) to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322247567.6U CN220537293U (en) | 2023-08-21 | 2023-08-21 | Battery hoisting accessory and battery replacement equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322247567.6U CN220537293U (en) | 2023-08-21 | 2023-08-21 | Battery hoisting accessory and battery replacement equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220537293U true CN220537293U (en) | 2024-02-27 |
Family
ID=89965921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322247567.6U Active CN220537293U (en) | 2023-08-21 | 2023-08-21 | Battery hoisting accessory and battery replacement equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220537293U (en) |
-
2023
- 2023-08-21 CN CN202322247567.6U patent/CN220537293U/en active Active
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