CN209972410U

CN209972410U - Battery changing device

Info

Publication number: CN209972410U
Application number: CN201822185414.2U
Authority: CN
Inventors: 李楠; 田小涛; 丁习坤; 刘俊; 马永跃; 林海岩
Original assignee: NIO Nextev Ltd
Current assignee: NIO Holding Co Ltd
Priority date: 2018-12-25
Filing date: 2018-12-25
Publication date: 2020-01-21
Anticipated expiration: 2028-12-25

Abstract

The utility model provides a trade electric installation. Trade electric device includes: a bottom platform; a battery placement platform above the bottom platform; and a plurality of air cushion devices disposed between the bottom platform and the battery placement platform, the plurality of air cushion devices allowing the battery placement platform to translate and/or tilt relative to the bottom platform. According to the utility model discloses a trade electric installation simple structure, the operating mode of adaptable vehicle bottom slope.

Description

Battery changing device

Technical Field

The utility model relates to an electric automobile trades the electric field, more specifically, the utility model relates to a can adapt to the directional device of trading of power battery slope.

Background

With the technological progress and social development, various types of new energy vehicles such as pure electric vehicles are increasingly widely used. With respect to these new vehicles, techniques involving battery replacement and the like have become an increasing subject of attention and research in the art. For example, if the experience of vehicle battery power up were to be achieved over the experience of conventional vehicle refueling, battery power up time would be an important indicator. The battery replacement is a way to realize quick power-up, and before the battery technology does not make breakthrough progress and a safe and usable quick charging technology appears, the battery replacement is still a way to realize that the power-up time of the vehicle battery can be aligned to the standard or even surpass the refueling time of the traditional vehicle.

For some electric vehicles, their power batteries are mounted on the bottom of the electric vehicle. For this type of electric vehicle, the battery replacement operation generally includes: the vehicle is lifted, the bottom power battery is removed and a new power battery is mounted to the bottom of the vehicle. Such a power exchange operation is generally performed at a power exchange station, but in some cases, the battery needs to be replaced manually, so a special tool needs to be provided to perform the manual power exchange operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve or at least alleviate the problem that exists among the prior art.

In one aspect, a battery swapping device is provided, which includes:

a bottom platform;

a battery placement platform above the bottom platform; and

a plurality of air cushion devices disposed between the bottom platform and the battery presentation platform, the plurality of air cushion devices allowing the battery presentation platform to translate and/or tilt relative to the bottom platform.

Optionally, in the battery replacement device, the battery replacement device further includes a floating frame surrounding the battery placement platform, the floating frame can longitudinally translate relative to the battery placement platform, and the battery placement platform is provided with a roller, so that the power battery on the battery placement platform can horizontally translate along the roller.

Optionally, in the battery replacement device, a plurality of alignment pins are arranged on the floating frame, the alignment pins are perpendicular to the floating frame, the alignment pins are used for being inserted into positioning holes at the bottom of the vehicle, and a plurality of bolt tightening guns are further arranged on the floating frame.

Optionally, in the battery replacement device, two ends and one side of the battery placement platform are provided with a stop member, so that a power battery enters or leaves the battery placement platform through the other side of the floating frame along a transverse direction.

Optionally, in the battery swapping device, the bottom platform includes: the air cushion device comprises a base, a lifting mechanism on the base and a platform main body located on the lifting mechanism, wherein the air cushion devices are arranged on the platform main body.

Optionally, in the battery replacement device, a plurality of universal wheels are arranged at the bottom of the base, and the bottom platform further includes a handle, a driving wheel is arranged at the bottom of the handle, and the handle can be operated to rotate relative to the bottom platform, so that the driving wheel lands on the ground and provides driving force.

Optionally, in the battery replacement device, four air cushion devices are disposed between the bottom platform and the battery placement platform.

Optionally, in the battery replacement device, the four air cushion devices are arranged in a rectangular shape, and each air cushion device includes a bottom plate; a top plate; an air bag connected between the bottom plate and the top plate; and a plurality of support members disposed about the bladder and connected between the bottom plate and the top plate, the plurality of support members allowing the top plate to translate and/or tilt relative to the bottom plate.

Optionally, in the battery replacement device, the air bag includes a plurality of segments, the air cushion device includes four sets of support members, the four sets of support members are disposed on four sides of the air bag, each of the plurality of support members includes: a first member connected to the base plate; and a second member connected to the top plate; one of the first member and the second member includes a cylindrical portion, the other of the first member and the second member has a hole fitted over the cylindrical portion, wherein the hole has a size larger than the cylindrical portion, and a cap is provided on top of the cylindrical portion to prevent the cylindrical portion from coming out of the hole.

Optionally, in the battery replacement device, the first member is a bolt, and the second member is an L-shaped plate.

Drawings

The disclosure of the present invention will become more readily understood with reference to the accompanying drawings. As is readily understood by those skilled in the art: these drawings are for illustrative purposes only and are not intended to constitute a limitation on the scope of the present invention. Moreover, in the drawings, like numerals are used to indicate like parts, and in which:

fig. 1 shows a perspective view of a battery swapping device according to an embodiment of the present invention;

fig. 2 shows a perspective view of the battery replacement device according to an embodiment of the present invention when carrying a power battery;

fig. 3 shows an exploded view of a swapping device according to an embodiment of the present invention;

fig. 4 and 5 show side views of the bottom platform of the battery swapping device according to an embodiment of the present invention in two states;

fig. 6 shows a perspective view of an air cushion device according to an embodiment of the present invention; and

fig. 7 shows an exploded view of an air cushion device according to an embodiment of the present invention.

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. It should be understood that, hereinafter, referring to fig. 1, the X direction refers to a length direction of the battery placement platform, hereinafter also referred to as a longitudinal direction, which may correspond to a front-rear direction of the vehicle, and the Y direction refers to a width direction of the battery placement platform, hereinafter also referred to as a lateral direction, which may correspond to a left-right direction of the vehicle. It should be understood that both ends in the length direction are hereinafter referred to as both ends, and both ends in the width direction are hereinafter referred to as both sides.

Referring to fig. 1 to 3, a battery replacement device 100 according to the present invention is shown. The battery replacement device 100 includes: a bottom platform 50; a battery placement platform 60 above the bottom platform 50; and a plurality of air cushion devices 80 disposed between the bottom platform 50 and the battery placement platform 60, the plurality of air cushion devices 80 allowing the battery placement platform 60 to translate and/or tilt relative to the bottom platform 50, it being understood that the battery placement platform 60 translates and/or tilts to some extent relative to the bottom platform 50. In some embodiments, as shown more clearly in fig. 3, the battery swapping device 100 further includes a floating frame 70 on the battery placing platform 60, the floating frame 70 can translate longitudinally (X direction in the figure) relative to the battery placing platform 60, and the battery placing platform 60 is provided with rollers 64, and the rollers 64 enable the power battery 80 on the battery placing platform 60 to translate laterally (Y direction in the figure). During the battery change, the rollers 64 and floating frame 70 are fine tuned so that a plurality of bolt tightening guns 72 on the floating frame 70 are aligned with the bolts on the power battery 80. In some embodiments, a plurality of alignment pins 71 are provided on the floating frame 70, the plurality of alignment pins 71 being perpendicular to the main body of the floating frame, the plurality of alignment pins 71 being for insertion into alignment holes in the bottom of the vehicle. In some embodiments, the battery placing platform 60 is provided with a stopper at two ends and one side, specifically, the battery placing platform 60 is provided with a first stopper rod 61 at a first end and a second stopper rod 62 at a second end, and a stopper roller 63 at a first side, so that the power battery can only enter or leave the battery placing platform 60 through a second side of the battery placing platform 60 along the transverse direction.

With continued reference to fig. 3, fig. 4 and 5 describe in detail the bottom platform of the battery swapping device according to an embodiment of the present invention. Trade the bottom platform of electric installation and include: a base 53, a lifting mechanism 52 on the base 53, and a platform body 51 on the lifting mechanism 52, a plurality of air cushion devices 80 being arranged on the platform body 51. In some embodiments, four

air cushion devices

81,82,83,84 are provided, which are arranged in a rectangular shape above the opening 58 of the platform body 51, the opening 58 being available for the passage of air ducts. The bottom platform may also include a plurality of guide posts 59 that guide the raising and lowering of the lift mechanism 52. In some embodiments, the bottom of the base 53 is further provided with a plurality of universal wheels 531, and the bottom platform further comprises a handle 54, and the handle 54 is arranged at one end of the battery replacing device for pushing the battery replacing device. The first end 541 of the handle 54 is used for the user to hold to push the power exchanging device, and the second end 542 of the handle 54, i.e. the bottom thereof, is connected to the driving wheel 55. As shown in fig. 5, the handle 54 can be operated to rotate relative to the bottom platform 53 so that the drive wheel 55 lands and provides a driving force. The driving wheel 55 is, for example, coupled to a driving means, such as a motor, for obtaining power, and the operator can rotate the handle 54 about the pivot 57 by pressing the handle 54 and allow the driving wheel 55 to land on the ground. A return spring 56 is connected between the bottom platform 53 and the handle 54 to provide a return force to enable the handle 54 to pivot back. The drive wheel 55 may be automatically activated by a button operation on the drive handle 53 or by a sensor sensing the drive wheel 55 landing.

With continued reference to fig. 6 and 7, an air cushion device according to an embodiment of the present invention will be described. The air cushion device includes: a base plate 1; a top plate 2; an airbag 3 connected between the bottom plate 1 and the top plate 2; and a plurality of support members 41,42,43,44 arranged around the airbag 3 and connected between the bottom plate 1 and the top plate 2, the support members 41,42,43,44 allowing the top plate 2 to translate and/or tilt with respect to the bottom plate 1. The base plate 1 may be a flat plate, such as a square plate, which may include attachment structures for attachment to the support members 41,42,43,44, such as four

bolt holes

11,12,13 arranged at the corners thereof, and may also include attachment structures for attachment to the base platform, such as

bolt holes

15,16,17 arranged in the middle of each side. In some embodiments, the base plate 1 itself may form part of the base platform of the battery changer, rather than a separate flat plate. In some embodiments, the balloon comprises a balloon which may be a single segment, alternatively the balloon may comprise a plurality of segments, for example as shown, the balloon 3 comprises a first segment 31 and a second segment 32, the entire balloon 3 similarly having a gourd-shaped shape. In some embodiments, the top and bottom of the air-bag may be provided with flat portions 30 (bottom not visible) for securing with the bottom plate 1 and top plate 2, and the top plate 2 and bottom plate 1 may be bolted to the flat portions 30 of the air-bag 3. Not visible in the figures, in some embodiments, the bottom of the airbag 3 may be provided with a vent for replenishing the airbag 3 with gas, the vent of the airbag 3 being connectable to a gas supply device by means of a pipe, when the base plate 1 has an opening corresponding to said vent. In some embodiments, the airbag 3 may have a high load-bearing capacity, for example, a rated load of 500kg or more, and the airbag 3 may be inflated before each battery replacement operation is performed.

In some embodiments, the air cushion device comprises four sets of support members 41,42,43,44, the four sets of support members 41,42,43,44 being arranged on four sides of the air-bag 3, the four sets of support structures may be cross-shaped. In some embodiments, the top plate 2 is octagonal in shape, with four sets of support members 41,42,43,44 connected between spaced four

sides

21,22,23,24 of the top plate 2 and the bottom plate 1.

In some embodiments, each of the plurality of

support members

21,22,23,24 comprises: a first member 411,421,431,441 connected to the floor panel 1; and a second member 412,422,432,442 connected to the top panel 2; one of the first member and the second member comprises a cylindrical portion and the other of the first member and the second member has a hole therein, wherein the hole has a larger dimension than the cylindrical portion, such as a diameter, or a slot-type hole or the like may be employed, thereby allowing the top plate 2 to translate and/or tilt relative to the bottom plate 1, noting that here the hole has a larger dimension than the cylindrical portion such that there is a clearance to allow relative movement after assembly of the two, rather than the dimensional tolerances normally used for assembly. In some embodiments, the top of the cylindrical portion is provided with a cap to prevent the cylindrical portion from escaping the bore. In the illustrated embodiment, the first member is a bolt having a cylindrical portion 4310 and a cap 4311, the cylindrical portion of the bolt being coupled to the bolt hole of the base plate 1, and the second member 431 is an L-shaped plate having a first portion 4321 and a second portion 4322 perpendicular to each other. The second member is connected to the top plate 2 by a first portion 4321 thereof, and a hole 4320 is provided in a second portion 4322 thereof, the hole 4320 having a diameter larger than the cylindrical portion 4310 of the first member 431 and smaller than the cap 4311 of the first member 431. In alternative embodiments, the apertures 4320 may be provided as elongated apertures. In an alternative embodiment, the first member may be, for example, an L-shaped plate having a hole, and the second member may have a cylindrical portion and a cap.

The foregoing description of the specific embodiments has been presented only to illustrate the principles of the invention more clearly, and to show or describe various components clearly so that the principles of the invention may be understood more readily. Various modifications or changes may be readily made by those skilled in the art without departing from the scope of the present invention. It is to be understood that such modifications and variations are intended to be included within the scope of the present invention.

Claims

1. A battery swapping device is characterized by comprising:

a bottom platform;

a battery placement platform above the bottom platform; and

2. The battery swapping device of claim 1, further comprising a floating frame surrounding the battery placement platform, wherein the floating frame is capable of translating in a longitudinal direction relative to the battery placement platform, and wherein the battery placement platform is provided with rollers that enable power batteries on the battery placement platform to translate in a lateral direction.

3. The swapping device of claim 2, wherein the floating frame has a plurality of alignment pins perpendicular to the floating frame for insertion into alignment holes in the bottom of the vehicle, and wherein the floating frame has a plurality of bolt tightening guns.

4. The battery swapping device as claimed in claim 2, wherein two ends and one side of the battery placement platform are provided with stoppers, so that a power battery enters or leaves the battery placement platform through the other side of the floating frame along a transverse direction.

5. The battery swapping device of claim 1, wherein the bottom platform comprises: the air cushion device comprises a base, a lifting mechanism on the base and a platform main body located on the lifting mechanism, wherein the air cushion devices are arranged on the platform main body.

6. The battery swapping device of claim 5, wherein the base bottom is provided with a plurality of universal wheels, and the bottom platform further comprises a handle, the handle bottom is provided with a driving wheel, and the handle can be operated to rotate relative to the bottom platform, so that the driving wheel lands on the ground and provides driving force.

7. The battery swapping device of claim 1, wherein four air cushion devices are disposed between the bottom platform and the battery placement platform.

8. The battery swapping device of claim 7, wherein the four air cushion devices are arranged in a rectangle, each air cushion device comprising a bottom plate; a top plate; an air bag connected between the bottom plate and the top plate; and a plurality of support members disposed about the bladder and connected between the bottom plate and the top plate, the plurality of support members allowing the top plate to translate and/or tilt relative to the bottom plate.

9. The battery swapping device of claim 8, wherein the bladder comprises a plurality of segments, the air cushion device comprises four sets of support members disposed on four sides of the bladder, each of the plurality of support members comprising: a first member connected to the base plate; and a second member connected to the top plate; one of the first member and the second member includes a cylindrical portion, the other of the first member and the second member has a hole fitted over the cylindrical portion, wherein the hole has a size larger than the cylindrical portion, and a cap is provided on top of the cylindrical portion to prevent the cylindrical portion from coming out of the hole.

10. The battery swapping device of claim 9, wherein the first member is a bolt and the second member is an L-shaped plate.