CN213895037U

CN213895037U - Battery turnover device and power station trades

Info

Publication number: CN213895037U
Application number: CN202021434307.XU
Authority: CN
Inventors: 杨赫; 李鹏飞; 李继明; 朱志远; 王亚光
Original assignee: Blue Valley Smart Beijing Energy Technology Co Ltd
Current assignee: Blue Valley Smart Beijing Energy Technology Co Ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-08-06
Anticipated expiration: 2030-07-17

Abstract

The utility model discloses a battery turnover device and trade power station. This battery turnover device includes: the support frame, be provided with the lift support trailing arm on the support frame, the lift support trailing arm is suitable for to follow the support frame goes up and down, be provided with the rotation support trailing arm on the support frame, the rotation support trailing arm is suitable for around the support frame is rotatory, the lift support trailing arm can rise to with the position of rotation support trailing arm parallel and level or with the staggered position of rotation support trailing arm. According to the utility model discloses a battery turnover device through setting up lift support trailing arm and rotation support trailing arm, can realize the turnover of first power battery and second power battery on battery turnover device to can realize the buffer memory of power battery on battery turnover device.

Description

Battery turnover device and power station trades

Technical Field

The utility model relates to a general machinery technical field particularly, relates to a battery turnover device and trade power station.

Background

In recent years, with the rapid development of new energy automobiles, the sales of electric automobiles in the global range is continuously increased, and due to the limitation of the cruising ability and the charging time of power batteries, electric automobile charging and replacing stations are developed in various places around the world, and a battery replacing mode adopts the mode of directly replacing a battery pack of an electric automobile so as to achieve the purpose of supplementing electric energy to the electric automobile.

In the existing power exchanging station, after the power-shortage power batteries on the electric automobile are detached by the power exchanging mobile device, the power-shortage power batteries on the power exchanging mobile device are transferred to the charging goods shelf by the stacker crane, then the full-electric-power batteries on the charging goods shelf are placed on the power exchanging mobile device again by the stacker crane, and finally the full-electric-power batteries are conveyed to the electric automobile by the power exchanging mobile device to realize the power exchanging operation. In the process, after the stacker crane and the charging shelf complete power battery exchange, a new full-power battery can be transferred to the battery replacement moving device, so that the replacement efficiency of the power battery is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. Therefore, the utility model provides a battery turnover device to realize power battery's buffer memory and turnover.

The utility model also provides a trade power station of having above-mentioned battery turnover device.

According to the utility model discloses battery turnover device includes: the support frame, be provided with the lift support trailing arm on the support frame, the lift support trailing arm is suitable for to follow the support frame goes up and down, be provided with the rotation support trailing arm on the support frame, the rotation support trailing arm is suitable for around the support frame is rotatory, the lift support trailing arm can rise to with the position of rotation support trailing arm parallel and level or with the staggered position of rotation support trailing arm.

According to the utility model discloses battery turnover device through setting up lift support trailing arm and rotation support trailing arm, can realize the turnover of first power battery and second power battery on battery turnover device.

According to some embodiments of the utility model, battery turnover device still includes: and the lifting driving device is used for driving the lifting support bracket to lift.

Specifically, the lift driving device includes: the lifting support bracket is arranged on a lifting frame, and a first transmission chain component is arranged between the transmission rod and the lifting frame.

Further, the first drive chain assembly includes: the lifting mechanism comprises a first upper chain wheel, a first lower chain wheel and a first transmission chain body, wherein the first upper chain wheel is fixed on the transmission rod, the first lower chain wheel is arranged below the first upper chain wheel and fixed on the support frame, the first transmission chain body is in meshing transmission with the first upper chain wheel and the first lower chain wheel, and the lifting frame is fixed on the first transmission chain body.

Optionally, a linear slide rail is arranged on the support frame, and the lifting frame is provided with a linear sliding chute in sliding fit with the linear slide rail.

According to the utility model discloses a some embodiments, lift driving motor with be provided with second drive chain subassembly between the transfer line, the second drive chain subassembly includes: the second motor chain wheel is fixed on an output shaft of the lifting driving motor, the second shaft chain wheel is fixed on the transmission rod, and the second driving chain body is in meshing transmission with the second motor chain wheel and the second shaft chain wheel.

According to some embodiments of the utility model, battery turnover device still includes: the rotary driving device is used for driving the rotary supporting bracket arm to rotate; and the rotation in-place detection device is used for detecting the rotation limit position of the rotation support bracket.

According to some embodiments of the invention, the rotation angle of the rotary support bracket is 30 ° to 150 °.

According to some embodiments of the invention, the support frame comprises: left side stand, right side stand and connection the left side stand the transverse connection post of right side stand, the left side stand all be provided with on the right side stand the rotation support trailing arm.

Further, the rotary supporting bracket arm is arranged on one side of the transverse connecting column, so that the fixed bin is opened on the side where the rotary supporting bracket arm is not arranged.

According to the utility model discloses trade power station of second aspect embodiment, including foretell battery turnover device.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

FIG. 1 is a schematic diagram of a battery turnaround apparatus;

FIG. 2 is an enlarged partial schematic view at A of FIG. 1;

FIG. 3 is an enlarged partial schematic view at B of FIG. 1;

FIG. 4 is a schematic view of a rotary support assembly;

FIG. 5 is a flow chart of a first embodiment step of a battery turnaround method;

FIG. 6 is a flow chart of a second embodiment step of a battery turnaround method;

FIG. 7 is a flow chart of a third embodiment step of a battery turnaround method;

fig. 8 is a flow chart of a fourth embodiment step of a battery turnaround method.

Reference numerals:

the device comprises a battery revolving device 400, a support frame 401, a left upright 4011, a right upright 4012, a transverse connecting column 4013, a lifting support bracket 402, a rotary support bracket 403, a lifting driving motor 404, a transmission rod 405, a lifting frame 406, a first transmission chain component 407, a first upper chain wheel 4071, a first lower chain wheel 4072, a first transmission chain body 4073, a linear slide rail 408, a second transmission chain component 409, a second motor chain wheel 4091, a second shaft chain wheel 4092, a second transmission chain body 4093, a rotary support component 410, a rotary driving device 411, a power device 4111, a rotary shaft 4112, a rack 4113, a gear 4114, a sensing plate 4115, a rotary in-place detection device 412, a mounting base plate 413, a mounting support 414 and a chain wheel mounting plate 415.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

A battery transfer device 400 according to an embodiment of the present invention is described in detail below with reference to fig. 1 to 8.

Referring to fig. 1, according to the utility model discloses battery turnover device includes: the support frame 401, the support frame 401 is provided with the lift support trailing arm 402, the lift support trailing arm 402 is suitable for along the support frame 401 lift, be provided with the rotation support trailing arm 403 on the support frame 401, the rotation support trailing arm 403 is suitable for around the support frame 401 rotation, the lift support trailing arm 402 can rise to the position of the parallel and level with rotation support trailing arm 403 or the staggered position with rotation support trailing arm 403.

The support 401 serves to support other components. The movement of the entire battery transfer device 400 can also be achieved by carrying the support frame 401.

In some embodiments of the present invention, a battery turnover device 400 according to embodiments of the present invention may include: the movable bin and the fixed bin are used for accommodating the power battery, the movable bin can be moved to a position coincident with the fixed bin or a position staggered from the fixed bin, and the volumes of the movable bin and the fixed bin are larger than that of the power battery so as to smoothly accommodate the power battery.

The first power battery placed in the mobile bin can be transferred to the fixed bin, and then the second power battery can be placed on the mobile bin again, so that the first power battery and the second power battery can be circulated on the battery circulation device 400. The first power battery temporarily stored in the fixed bin can also be transferred to other specified positions or specified equipment.

When the battery transfer device 400 is applied to a battery replacement station, both the stacker crane and the battery replacement mobile device can be directly butted with the battery transfer device 400, for example, after a deficient electric power battery (equivalent to a first power battery) on an electric automobile is detached by the battery replacement mobile device, the deficient electric power battery is placed in a mobile bin, the deficient electric power battery in the mobile bin is transferred to a fixed bin by the battery transfer device 400, the mobile bin is released, a full electric power battery (equivalent to a second power battery) is placed in the released mobile bin by the stacker crane, and then the full electric power battery in the mobile bin is transferred to the battery replacement mobile device, so that the replacement of the deficient electric power battery and the full electric power battery is completed, and the replacement rate of the power battery is greatly improved.

The mobile bin is defined by a mobile bin support means, the fixed bin is defined by a fixed bin support means, and the mobile bin support means is movable relative to the fixed bin support means.

The movable bin supporting device is used for supporting the power battery, and when the movable bin supporting device moves, the movable bin supporting device can drive the power battery to move synchronously. The fixed bin supporting device is used for supporting the power battery and storing the power battery in the fixed bin in a buffering mode.

Furthermore, the movable bin supporting device is a lifting supporting device, the fixed bin supporting device is a rotating supporting device, and the lifting supporting device can be lifted to a position flush with the rotating supporting device or a position staggered with the rotating supporting device. When the lifting support device is flush with the rotary support device, the first power battery on the lifting support device is conveniently transferred to the rotary support device; when the lifting support device is staggered with the rotary support device, the lifting support device can receive the second power battery.

The lift support apparatus includes the lift support bracket 402 described above, and the movement space is formed above the lift support bracket 402. The lifting support bracket 402 can lift and support the power battery in the mobile bin and can drive the power battery in the mobile bin to lift synchronously.

Referring to fig. 1 and 3, the rotation supporting device includes a rotation supporting bracket arm 403, and a fixed bin is formed above the rotation supporting bracket arm 403. The rotary supporting arm 403 can lift and support the power battery in the fixed bin.

According to the utility model discloses battery turnover device 400 through setting up lift support trailing arm 402 and rotation support trailing arm 403, can form the removal position of storehouse in lift support trailing arm 402 top, forms fixed position of storehouse in rotation support trailing arm 403 top to can realize the turnover of first power battery and second power battery on battery turnover device 400, and can realize the buffer memory of power battery on battery turnover device 400.

Battery turnover device 400 also includes: and the lifting driving device is used for driving the lifting supporting device to lift. Specifically, the lifting drive device is used for driving the lifting support bracket 402 to lift.

Specifically, referring to fig. 1 to 2, the elevation driving apparatus includes: the lifting support device comprises a lifting drive motor 404 and a transmission rod 405, wherein the lifting drive motor 404 drives the transmission rod 405 to rotate, the lifting support device is provided with a lifting frame 406, a lifting support bracket 402 is fixedly connected with the lifting frame 406, and a first transmission chain component 407 is arranged between the transmission rod 405 and the lifting frame 406. The power of the lifting driving motor 404 is transmitted to the transmission rod 405, and the power on the transmission rod 405 is transmitted to the lifting frame 406 through the first transmission chain component 407, so that the lifting frame 406 is driven to lift, and the lifting of the lifting supporting bracket 402, namely the lifting of the moving bin position, is realized.

Further, the first transmission chain assembly 407 may include: first upper chain wheel 4071, first lower sprocket 4072 and first driving chain body 4073, first upper chain wheel 4071 and transfer link 405 are fixed continuous, first lower sprocket 4072 sets up the below at first upper chain wheel 4071, and first lower sprocket 4072 is fixed in support frame 401, first driving chain body 4073 and first upper chain wheel 4071, first lower sprocket 4072 meshing transmission, lift frame 406 is fixed in first driving chain body 4073, therefore, when first driving chain body 4073 moves, lift frame 406 follows first driving chain body 4073 synchronous motion.

Referring to fig. 1, the support frame 401 is provided with a sprocket mounting plate 415, and a first lower sprocket 4072 is mounted on the sprocket mounting plate 415.

Optionally, as shown in fig. 1 and fig. 3, a linear slide rail 408 is disposed on the supporting frame 401, and the lifting frame 406 has a linear slide groove slidably engaged with the linear slide rail 408. When the lifting frame 406 is lifted along the supporting frame 401, the linear slide rail 408 can guide the lifting frame 406, so that the lifting frame 406 is lifted more stably and reliably.

Referring to fig. 1-2, a second transmission chain assembly 409 is disposed between the lifting driving motor 404 and the transmission rod 405, and the second transmission chain assembly 409 includes: the lifting transmission device comprises a second motor chain wheel 4091, a second shaft chain wheel 4092 and a second transmission chain body 4093, wherein the second motor chain wheel 4091 is fixedly connected with an output shaft of a lifting driving motor 404, the second shaft chain wheel 4092 is fixedly connected with a transmission rod 405, and the second transmission chain body 4093 is in meshing transmission with the second motor chain wheel 4091 and the second shaft chain wheel 4092. The power of the elevation drive motor 404 is transmitted to the driving rod 405 through the second driving chain assembly 409.

Referring to fig. 1, 3-4, the rotary support device further includes: the rotation driving device 411 and the rotation in-position detecting device 412 are arranged, the rotation driving device 411 is used for driving the rotation supporting bracket arm 403 to rotate, the rotation in-position detecting device 412 is used for detecting the rotation limit position of the rotation supporting bracket arm 403, and the rotation supporting bracket arm 403 is prevented from being interfered with other parts due to the fact that the rotation angle of the rotation supporting bracket arm 403 is too large, and the rotation supporting bracket arm 403 is prevented from being damaged due to collision.

In other words, by providing the rotation-to-position detecting device 412, the rotation limit position of the rotation support bracket 403 can be defined, so that the rotation path of the rotation support bracket 403 is more reliable.

The rotation driving means 411 may include: the power device 4111 and the rotating shaft 4112, the rotating support bracket 403 is fixed to the rotating shaft 4112, the power device 4111 drives the rotating shaft 4112 to rotate, and thus the rotating shaft 4112 drives the rotating support bracket 403 to rotate synchronously.

Further, the power device 4111 is an electric push rod, a rack 4113 and a gear 4114 are disposed between the power device 4111 and the rotating shaft 4112, the electric push rod is adapted to drive the rack 4113 to move reciprocally, the gear 4114 is engaged with the rack 4113, and the gear 4114 is disposed on the rotating shaft 4112. When electric putter drive rack 4113 reciprocating motion, gear 4114 rotates, and axis of rotation 4112 follows gear 4114 and rotates in step, and rotatory support trailing arm 403 follows axis of rotation 4112 and rotates in step to make rotatory support trailing arm 403 rotate between the support position that supports power battery and the storage position that does not support power battery.

The "support position" may be a position of the rotation support bracket arm 403 shown in fig. 3 to 4, and the "storage position" may be a position of the rotation support bracket arm 403 shown in fig. 3 to 4 rotated counterclockwise by 90 °.

In some embodiments, the rotation position detecting device 412 is a proximity switch, the rotation support bracket 403 is provided with a sensing plate 4115, and the rotation support bracket 403 stops rotating when the sensing plate 4115 contacts with the proximity switch.

Optionally, there are two sensing boards 4115, the rotation position detecting device 412 corresponds to the sensing boards 4115 one by one, and the arrangement central angle between the two sensing boards 4115 is 30 ° to 150 °. The rotation angle of the rotary support bracket 403 is equal to the arrangement central angle between the two induction plates 4115, so that the rotation angle of the rotary support bracket 403 is also 30-150 °, thereby satisfying the requirement of changing the rotary support bracket 403 between the support position and the storage position.

Alternatively, the arrangement central angle between the two sensing plates 4115 shown in fig. 4 is 90 °. In some embodiments not shown, the arrangement central angle between the two sensing plates 4115 may also be 60 °, 75 °, 120 °, 135 °, and so on.

Referring to fig. 4, the rotation support assembly 410 further includes: the mounting substrate 413 and the power unit 4111 are mounted on the mounting substrate 413, for example, the power unit 4111 can be mounted on the mounting substrate 413 by a bolt fastener. Rotary shaft 4112 is mounted on mounting base 413 via mounting support 414. The mounting brackets 414 may be mounted on the mounting substrate 413 using bolt fasteners, and the mounting brackets 414 may be mounted on the support frame 401 using bolt fasteners.

Further, the rotating shaft 4112 penetrates through the mounting support 414, and a bearing is disposed between the rotating shaft 4112 and the mounting support 414, so that the rotating shaft 4112 can rotate smoothly.

Referring to fig. 1, the supporting frame 401 includes: left side stand 4011, right side stand 4012 and connect left side stand 4011, the horizontal spliced pole 4013 of right side stand 4012, all be provided with removal position in storehouse strutting arrangement and fixed position in storehouse strutting arrangement on left side stand 4011, the right side stand 4012, can follow both ends and hold in the palm the power battery from this, prevent that the power battery from taking place to overturn.

In some embodiments, a fixed bin supporting device is disposed only on one side of the transverse connecting column 4013, so that the fixed bin is open on the side where the fixed bin supporting device is not disposed, and the power battery can enter and exit the fixed bin through the side where the fixed bin supporting device is not disposed.

In other words, the rotary support bracket 403 is provided only at one side of the lateral connecting column 4013, so that the fixed bin is opened at the side where the rotary support bracket 403 is not provided.

The power transmission path for ascending and descending the moving cabin is described in detail below.

The lifting driving motor 404 positively rotates to drive the second motor chain wheel 4091 to positively rotate synchronously, the power of the second motor chain wheel 4091 is transmitted to the second shaft chain wheel 4092 through the second transmission chain body 4093, the second shaft chain wheel 4092 drives the transmission rod 405 to rotate synchronously, the first upper chain wheel 4071 rotates synchronously with the transmission rod 405, the power of the first upper chain wheel 4071 is transmitted to the first transmission chain body 4073, the first transmission chain body 4073 drives the lifting frame 406 to ascend, the ascending of the lifting supporting arm 402 is realized, and the ascending of the movable bin position is realized.

When the lifting support bracket 402 is lifted to a position flush with the rotation support bracket 403, the rotation support bracket 403 is rotated to switch the rotation support bracket 403 from the storage position to the support position for receiving the power battery on the lifting support bracket 402.

Subsequently, the lifting drive motor 404 is reversed, and the lifting frame 406 can be lowered through the transmission action of the second transmission chain component 409, the transmission rod 405 and the first transmission chain component 407, so that the lifting support bracket 402 is lowered, that is, the moving bin is lowered. It is now convenient to use the lift support bracket 402 to receive other power batteries.

According to the utility model discloses trade power station of second aspect embodiment, including the battery turnover device 400 of above-mentioned embodiment. When the battery turnover device 400 is applied to the battery replacement station, the power battery replacement rate of the battery replacement station can be increased.

Referring to fig. 5, a battery circulation method according to an embodiment of the present invention is a battery circulation method of the battery circulation device 400, including the following steps:

step S11: placing a power battery on the movable bin;

step S12: and moving the movable bin to a position coinciding with the fixed bin so that the power battery reaches the fixed bin. Thereby realizing that the power battery shifts to fixed position from the removal position.

Referring to fig. 6, after the moving bin is moved to a position coinciding with the fixed bin so that the power battery reaches the fixed bin (i.e., after step S12), the battery turnaround method further includes step S13: and moving the movable bin to a position staggered with the fixed bin. So that the movable bin can receive other power batteries again.

Referring to fig. 7, a battery circulation method according to another embodiment of the present invention is a battery circulation method of the battery circulation device 400, including the following steps:

step S21: placing a power battery on the lifting support device;

step S22: lifting the lifting support device to a position flush with the rotary support device;

step S23: and rotating the rotary supporting device to support the power battery on the rotary supporting device. Thereby realizing the power battery to transfer from the lifting support device to the rotating support device.

Further, referring to fig. 8, after rotating the rotary support device to support the power battery on the rotary support device (i.e., after step S23), the battery turnaround method further includes step S24: and lifting the lifting support device to a position staggered with the rotary support device. So that the lifting support device can receive other power batteries again.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A battery transfer device, comprising: support frame (401), be provided with lift support trailing arm (402) on support frame (401), lift support trailing arm (402) are suitable for to follow support frame (401) go up and down, be provided with rotation support trailing arm (403) on support frame (401), rotation support trailing arm (403) are suitable for around support frame (401) are rotatory, lift support trailing arm (402) can go up and down to with the position of rotation support trailing arm (403) parallel and level or with the position that staggers of rotation support trailing arm (403).

2. The battery turnaround device of claim 1, further comprising: the lifting driving device is used for driving the lifting support bracket arm (402) to lift.

3. The battery turnover device of claim 2, wherein the lift drive comprises: the lifting mechanism comprises a lifting driving motor (404) and a transmission rod (405), wherein the lifting driving motor (404) drives the transmission rod (405) to rotate, a lifting supporting bracket arm (402) is installed on a lifting frame (406), and a first transmission chain component (407) is arranged between the transmission rod (405) and the lifting frame (406).

4. The battery epicyclic arrangement according to claim 3, wherein said first drive chain assembly (407) comprises: the lifting frame comprises a first upper chain wheel (4071), a first lower chain wheel (4072) and a first transmission chain body (4073), wherein the first upper chain wheel (4071) is fixed on the transmission rod (405), the first lower chain wheel (4072) is arranged below the first upper chain wheel (4071) and fixed on the support frame (401), the first transmission chain body (4073) is in meshing transmission with the first upper chain wheel (4071) and the first lower chain wheel (4072), and the lifting frame (406) is fixed on the first transmission chain body (4073).

5. The battery turnover device of claim 4, wherein the support frame (401) is provided with a linear sliding rail (408), and the lifting frame (406) is provided with a linear sliding chute in sliding fit with the linear sliding rail (408).

6. A battery turnaround device according to claim 3, wherein a second drive chain assembly (409) is provided between the lift drive motor (404) and the drive rod (405), the second drive chain assembly (409) comprising: the lifting driving mechanism comprises a second motor chain wheel (4091), a second shaft chain wheel (4092) and a second driving chain body (4093), wherein the second motor chain wheel (4091) is fixed on an output shaft of the lifting driving motor (404), the second shaft chain wheel (4092) is fixed on the driving rod (405), and the second driving chain body (4093) is in meshed driving with the second motor chain wheel (4091) and the second shaft chain wheel (4092).

7. The battery turnaround device of claim 1, further comprising:

the rotary driving device (411), the rotary driving device (411) is used for driving the rotary supporting bracket arm (403) to rotate;

a rotation-in-position detection device (412), wherein the rotation-in-position detection device (412) is used for detecting the rotation limit position of the rotation support bracket arm (403).

8. A battery turnaround device according to claim 1 or 7, wherein the rotational support bracket (403) is rotated through an angle of 30 ° -150 °.

9. The battery turnaround device of claim 1, wherein the support frame (401) comprises: left side stand (4011), right side stand (4012) and connect left side stand (4011) the horizontal spliced pole (4013) of right side stand (4012), left side stand (4011) all be provided with on right side stand (4012) rotatory trailing arm (403).

10. The battery turnaround device of claim 9, wherein the rotating support bracket arms (403) are provided only on one side of the transverse connection columns (4013) such that a fixed bay is open on the side where the rotating support bracket arms (403) are not provided.

11. A battery swapping station comprising the battery turnaround apparatus of any one of claims 1-10.