CN216636209U

CN216636209U - Battery replacing device and battery replacing station

Info

Publication number: CN216636209U
Application number: CN202123029771.8U
Authority: CN
Inventors: 刘君义
Original assignee: Sany Heavy Industry Co Ltd
Current assignee: Sany Lithium Energy Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-05-31
Anticipated expiration: 2031-12-03

Abstract

The utility model relates to the field of battery changing stations, and provides a battery changing device and a battery changing station. The tip of rotary platform is equipped with the rake, and the rake is located one side that rotary platform is close to the base, and the one end that the rake kept away from rotary platform center is higher than the one end that the rake is close to rotary platform center. So set up, trade electric installation and can support reliably in battery package bottom surface, bear the heavy load of battery package, can also aim at the position of storehouse that charges through rotating rotary platform, be convenient for transport the battery package to the position of storehouse that charges. The battery replacement device is stable and reliable and convenient to operate. And when satisfying the bearing demand of battery package, the weight of device still can be alleviateed through the setting of rake, has the characteristics that the light height bore, and the design is more reasonable.

Description

Battery replacing device and battery replacing station

Technical Field

The utility model relates to the technical field of battery changing stations, in particular to a battery changing device and a battery changing station.

Background

In recent years, new energy vehicles which rely on power batteries as driving energy have a very rapid development trend because the new energy vehicles do not discharge harmful gases during running, have low noise and accord with national sustainable development strategies. In the field of heavy trucks, the economical efficiency and the popularization of the rechargeable heavy truck are severely restricted due to the large power consumption and the long battery charging time. Therefore, the battery replacement type heavy truck is produced.

When the batteries are replaced, the batteries need to be hoisted and transported between the heavy truck and the charging bin through the crane. However, the battery pack of the battery replacement type heavy truck has heavy weight which is more than three tons, the battery pack is difficult to hoist, and the operation is very inconvenient.

Therefore, how to solve the problem that the battery replacement is difficult due to the fact that the battery pack of the battery replacement type heavy truck in the prior art is heavy becomes an important technical problem to be solved by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a battery replacing device and a battery replacing station, which are used for solving the problem of difficulty in battery replacement caused by the fact that a battery pack of a battery replacing type heavy truck in the prior art is heavy.

The utility model provides a battery replacing device, which comprises a base and a rotary platform rotatably arranged on the base,

the rotary platform supports the bottom surface of a battery pack and is used for transferring the battery pack, the battery pack can move on the rotary platform, the end portion of the rotary platform is provided with an inclined portion, the inclined portion is located the rotary platform is close to one side of the base, and the inclined portion is far away from one end of the center of the rotary platform is higher than the inclined portion is close to one end of the center of the rotary platform.

According to the battery replacement device provided by the utility model, the battery replacement device further comprises:

the rotary support is used for driving the rotary platform to rotate and arranged between the base and the rotary platform;

and the driving mechanism is used for driving the slewing bearing to rotate.

The battery replacement device provided by the utility model further comprises a connecting piece detachably connected with the base, and the connecting piece is used for mounting the driving mechanism.

According to the battery replacement device provided by the utility model, the driving mechanism comprises:

the gear is rotationally arranged on the connecting piece, and the slewing bearing is circumferentially provided with a tooth groove meshed with the gear;

and the driving motor is used for driving the gear to rotate and is connected with the connecting piece.

According to the battery replacement device provided by the utility model, the driving motor is embedded in the base, and the base is provided with a through hole for the driving motor to pass through.

The battery replacement device provided by the utility model further comprises a positioning boss matched with the through hole, the positioning boss is arranged on one side, close to the base, of the connecting piece, and the positioning boss is inserted into the through hole.

the track is arranged on the rotary platform and is arranged along the length direction of the rotary platform;

the sliding piece is connected with the rail in a sliding mode, the sliding piece is supported on the bottom face of the battery pack, and the sliding piece moves along the rail;

and the grabbing device is used for grabbing the battery pack and dragging the battery pack to move on the rotary platform.

The battery replacing device provided by the utility model further comprises a guide rail, the guide rail is arranged along the width direction of the rotary platform, the base is connected with the guide rail in a sliding mode, and the base moves along the guide rail.

According to the battery replacement device provided by the utility model, the bottom of the base is provided with the guide groove matched with the guide rail, and the guide rail is inserted into the guide groove.

The utility model also provides a battery replacement station which comprises a battery replacement device, wherein the battery replacement device is set as any one of the battery replacement devices.

The battery replacing device provided by the utility model comprises a base and a rotary platform rotatably arranged on the base, wherein the rotary platform is supported on the bottom surface of a battery pack and used for transferring the battery pack, and the battery pack can move on the rotary platform. The tip of rotary platform is equipped with the rake, and the rake is located one side that rotary platform is close to the base, and the one end that the rake kept away from rotary platform center is higher than the one end that the rake is close to rotary platform center. So set up, trade electric installation and can support reliably in battery package bottom surface, bear the heavy load of battery package, can also aim at the position of storehouse that charges through rotating rotary platform, be convenient for transport the battery package to the position of storehouse that charges. The battery replacement device is stable and reliable and convenient to operate. And when satisfying the bearing demand of battery package, the weight of device still can be alleviateed through the setting of rake, has the characteristics that the light height bore, and the design is more reasonable.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a battery swapping device provided by the present invention;

FIG. 2 is a cross-sectional view taken along line B-B of FIG. 1;

fig. 3 is a schematic structural diagram of a battery transfer pack of the battery swapping device provided by the utility model;

FIG. 4 is a top view of a rotating platform provided by the present invention;

FIG. 5 is a bottom view of the rotary platform provided by the present invention;

FIG. 6 is a schematic view of a portion of FIG. 5 at A;

reference numerals:

1: a base; 2: a rotating platform; 3: a battery pack;

4: an inclined portion; 5: a slewing bearing; 6: a connecting member;

7: a gear; 8: a drive motor; 9: a speed reducer;

10: positioning the boss; 11: a track; 12: a slider;

13: and a guide groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The battery replacement device of the present invention is described below with reference to fig. 1 to 6.

As shown in fig. 1 to 3, an embodiment of the present invention provides an electricity exchanging device, which includes a base 1 and a rotating platform 2 rotatably disposed on the base 1, so that the rotating platform 2 can rotate a certain angle relative to the base 1. As shown in fig. 3, the revolving platform 2 is supported on the bottom surface of the battery pack 3 and is used to transport the battery pack 3. The battery pack 3 can move on the rotary platform 2, so that the battery replacement operation is completed. When the heavy truck charging system is used, the heavy truck is parked at the rotary platform 2, and the rotary platform 2 carries the insufficient battery to be replaced and then transports the insufficient battery to a charging bin. If the battery pack 3 is not aligned with the charging bin, the adjustment can be performed by rotating the rotary platform 2. And then, the full-charge battery is transported to an empty battery installation position of the heavy truck by using the battery replacement device, and battery replacement is completed.

As shown in fig. 2, inclined portions 4 are provided at both ends of the revolving platform 2, and the inclined portions 4 are located on the side of the revolving platform 2 close to the base 1. And the end of the inclined part 4 far from the center of the rotary platform 2 is higher than the end of the inclined part 4 near the center of the rotary platform 2, i.e. the left end of the inclined part 4 is higher than the right end of the inclined part 4 in fig. 2. The rotary platform 2 forms an inclined strut type ship-shaped platform structure, can bear heavy load of a heavy truck battery, can use the electric quantity, place the battery after a certain angle of rotation, and can achieve the purpose of lightening the weight of the device, so that the device has the advantages of light weight and high bearing capacity. It should be noted that, regarding the placement position of the battery replacing device shown in fig. 2, the up-down direction in the drawing is the pointed height direction, and the left-right direction is the pointed left-right direction.

So set up, trade the electric installation and can support reliably in 3 bottom surfaces of battery package, bear the heavy load of battery package 3, can also aim at the position of storehouse that charges through rotating rotary platform 2, be convenient for transport battery package 3 to the position of storehouse that charges. The battery replacing device is simple in structure, stable, reliable and convenient to operate. And when satisfying the bearing demand of battery package 3, still can alleviate the weight of device through the setting of slope 4, make the device have the characteristics that the light is high to bear the weight of, design more reasonable.

In the embodiment of the utility model, the battery replacement device further comprises a slewing bearing 5 and a driving mechanism, and the driving mechanism is used for driving the slewing bearing 5 to rotate. As shown in fig. 2, the slewing bearing 5 is disposed between the base 1 and the slewing platform 2, and the slewing bearing 5 can drive the slewing platform 2 to rotate. The slewing bearing 5 is positioned at the center of the battery replacing device, the center of gravity of the whole device is kept at the center position, and the whole device is more stable and reliable. The slewing bearing 5 is an existing common product and can bear large axial load, radial load and overturning moment at the same time. The slewing bearing 5 comprises an inner ring and an outer ring, and the two working modes of the slewing bearing are that the inner ring can be fixed to play a supporting role, the outer ring can rotate, the outer ring can also be fixed to play a supporting role, the inner ring rotates, and the specific mode can be determined according to the practical application condition. For example, as shown in fig. 2, an inner ring is fixedly connected with the base 1, an outer ring rotates, and the outer ring is fixedly connected with the rotary platform 2, so that the rotary support 5 drives the rotary platform 2 to rotate synchronously, and the base 1 and the rotary platform 2 are connected into a whole through the rotary support 5. As shown in fig. 3, the middle portion is a low stress region in the cell load stress transfer direction as the battery pack 3 moves from the end portion to the middle portion. Therefore, according to the stress distribution of the rotary platform 2, the rotary support 5 is adopted to transmit rotary power, and the low-stress area in the middle of the inner ring is of a hollow structure, so that the rotary use requirement can be met, and the device mass can be reduced to a certain extent.

In the embodiment of the utility model, the battery replacing device further comprises a connecting piece 6 detachably connected with the base 1, and the connecting piece 6 is used for installing the driving mechanism. Specifically, as shown in fig. 4, the connecting member 6 is configured as a mounting plate, the mounting plate and the base 1 are correspondingly provided with a plurality of mounting holes, and the mounting is facilitated by fastening and connecting the mounting plate and the base through plug bolts. So set up, through demolising connecting piece 6, can be together with actuating mechanism is whole to be pulled down, be convenient for maintain and change actuating mechanism, the simple operation.

In the embodiment of the utility model, the driving mechanism comprises a gear 7 and a driving motor 8. The gear 7 is rotatably arranged on the connecting piece 6, and the slewing bearing 5 is provided with a tooth groove meshed with the gear 7 along the circumferential direction. For example, as shown in fig. 5, the outer ring of the slewing bearing 5 is provided with a plurality of tooth grooves in the circumferential direction, and is meshed with the gear 7. The driving motor 8 is used for driving the gear 7 to rotate, and the driving motor 8 is connected with the connecting piece 6. Specifically, as shown in fig. 2, the driving mechanism further includes a speed reducer 9, and the driving motor 8 is connected to the speed reducer 9 to meet the rotation requirement of the rotary platform 2. The speed reducer 9 is detachably connected with the connecting piece 6 through the mounting seat, and assembly is facilitated. An output shaft of the speed reducer 9 penetrates through the connecting piece 6 and is rotationally connected with the connecting piece 6. The gear 7 is arranged on an output shaft of the speed reducer 9 and is meshed with a tooth groove on the slewing bearing 5. The motor drives the speed reducer 9, the final drive gear 7 rotates, and the gear 7 drives the slewing bearing 2 to rotate, so that the slewing platform 2 rotates by a certain angle, and the battery pack 3 is placed at the charging bin position. The design like this, simple structure assembles compactly.

In the embodiment of the utility model, as shown in fig. 1, the driving motor 8 is embedded in the base 1, so that the installation space can be reduced, the structure is more compact, and the driving motor 8 can be protected. In addition, the base 1 is provided with a through hole for the driving motor 8 to pass through, so that the connecting piece 6 can be directly taken out of the through hole after being detached during maintenance, and the whole driving mechanism is convenient to detach.

In the embodiment of the utility model, the battery replacing device further comprises a positioning boss 10 matched with the through hole. As shown in fig. 6, a positioning boss 10 is provided on the side of the link 6 close to the base 1. During the installation, earlier insert the through-hole with location boss 10, tentatively fix a position connecting piece 6, then carry out fixed connection with base 1, improve assembly efficiency. The shape of the positioning boss 10 can be consistent with that of the through hole, and the positioning effect is better. In addition, it should be noted that the opening area of the through hole should be larger than the occupied area of the positioning boss 10, so that a moving space for adjusting the position of the connecting member 6 is reserved in the through hole, and the alignment installation of the connecting member 6 and the base 1 is not affected.

In the embodiment of the present invention, the battery replacing device further includes a rail 11, a sliding member 12, and a gripping device. As shown in fig. 1, a rail 11 is provided on the upper surface of the revolving platform 2, and the rail 11 is provided along the length direction of the revolving platform 2. The slide 12 may be a slider, which is slidably connected to the rail 11. The slide member 12 is supported on the bottom surface of the battery pack 3 to be movable along the rail 11. Specifically, a plurality of rails 11 may be arranged at regular intervals in the width direction of the revolving platform 2, and a slider 12 is correspondingly provided on each rail 11 so as to reliably support the battery pack 3. Cooperate with track 11 through the slider like this, conveniently transport battery package 3. In addition, as shown in fig. 3, a plurality of battery packs 3 can be transported between the heavy truck and the charging bay through a plurality of rails 11, so that the battery replacement efficiency is improved.

The gripping device is used for gripping the battery pack 3 and drawing the battery pack 3 to move along the rail 11 on the rotary platform 2. The structure of the gripping device is not limited, the conventional common structure can be adopted, the battery pack 3 can be connected, and the battery pack 3 is driven to move along the rail 11, so that the battery replacement requirement is met. In the arrangement position of the battery replacement device shown in fig. 1, the left-right direction in the drawing is the length direction of the rotating platform 2, and the up-down direction is the width direction of the rotating platform 2.

In the embodiment of the utility model, the battery replacing device further comprises a guide rail which is arranged along the width direction of the rotary platform 2. The base 1 is slidably connected with the guide rail and can move along the guide rail. Set up like this, can also follow 2 width direction adjustment of rotary platform and trade the position of electric installation, use convenient and flexible more, be convenient for trade the electric operation. Moreover, the power switching operation can be continuously carried out on a plurality of heavy trucks which are parked side by moving the power switching device.

In the embodiment of the present invention, as shown in fig. 2, the bottom of the base 1 is provided with a guide groove 13 matching with the guide rail, and the guide rail is inserted into the guide groove 13. Specifically, base 1's both ends all are equipped with guide slot 13, and the guide rail corresponds the setting with it, and the shape of guide slot 13 can be unanimous with the shape of guide rail to guarantee the two reliable cooperation, make whole device steady motion, more safe and reliable when trading the electricity.

The battery replacement device of the utility model is specifically described with reference to the above embodiments. The embodiment of the utility model provides a battery replacing device which comprises a base 1 and a rotary platform 2 arranged on the base, wherein the rotary platform 2 can rotate for a certain angle relative to the base 1. Revolving platform 2 supports in the bottom surface of battery package 3, and battery package 3 can move on revolving platform 2 to can transport battery package 3 between heavy truck and the position of the storehouse of charging, trade the electric operation.

Inclined parts 4 are arranged at two ends of the rotary platform 2, and the inclined parts 4 are positioned at one side of the rotary platform 2 close to the base 1. And the end of the inclined part 4 far from the center of the rotary platform 2 is higher than the end of the inclined part 4 near the center of the rotary platform 2, i.e. the left end of the inclined part 4 is higher than the right end of the inclined part 4 in fig. 2. The battery replacement device further comprises a slewing bearing 5 and a driving mechanism, and the driving mechanism is used for driving the slewing bearing 5 to rotate. A slewing bearing 5 is arranged between the base 1 and the slewing platform 2 to connect the base 1 and the slewing platform 2 together. Slewing bearing 5 can drive rotary platform 2 and rotate, can rotate certain angle after realizing snatching battery package 3 and place the empty battery in the position of storehouse that charges. Like this, rotary platform 2 is bracing formula ship type platform structure, and 5 inner circles of slewing bearing are middle part hollow out construction, can satisfy the bearing demand of heavily blocking the battery and rotary platform 2's stress distribution demand, can also alleviate the weight of device, make it have the high characteristics of bearing of light.

The driving mechanism is detachably connected with the base 1 through the connecting piece 6, so that the driving mechanism can be conveniently and integrally detached, and the maintainability is better. The driving mechanism comprises a gear 7, a driving motor 8 and a speed reducer 9, and the slewing bearing 5 is provided with a tooth groove meshed with the gear 7 along the circumferential direction. The driving motor 8 is connected with the speed reducer 9, and an output shaft of the speed reducer 9 penetrates through the connecting piece 6 and is rotatably connected with the connecting piece 6. The gear 7 is arranged on an output shaft of the speed reducer 9 and is meshed with a tooth groove on the slewing bearing 5. The driving motor 8 and the speed reducer 9 are embedded in the base 1, and the base 1 is provided with a through hole for the driving motor 8 and the speed reducer 9 to pass through, so that the assembly space can be reduced, and the structure is more compact. In addition, trade electric installation and still include with through-hole matched with location boss 10, location boss 10 sets up in the one side that connecting piece 6 is close to base 1. The positioning boss 10 is inserted into the through hole to preliminarily position the connecting member 6, facilitating quick installation.

The battery replacement device further comprises a rail 11, a sliding part 12 and a gripping device. The track 11 is arranged on the rotary platform 2, and the track 11 is arranged along the length direction of the rotary platform 2. The slide 12 may be a slider, which is slidably connected to the rail 11. The slide member 12 is supported on the bottom surface of the battery pack 3 to be movable along the rail 11. The gripping device is used for gripping the battery pack 3 and drawing the battery pack 3 to move along the rail 11 on the rotary platform 2. The battery replacing device further comprises a guide rail, and the guide rail is arranged along the width direction of the rotary platform 2. The base 1 is slidably connected with the guide rail and can move along the guide rail. Specifically, the bottom of the base 1 is provided with a guide groove 13 which is fitted with a guide rail, and the guide rail is inserted into the guide groove 13.

In summary, the battery replacing device in the embodiment of the utility model adopts the rotary platform 2 with the ship-shaped structure, the heavy-duty battery is loaded on the upper part of the rotary platform 2, and the rotary support 5 with the hollow-out structure in the middle is adopted on the lower part of the rotary platform 2, so that the stress distribution requirement of the rotary platform 2 is met, and the battery replacing device has the characteristics of light weight and high load bearing, and is reasonable in structural design. The driving mechanism is embedded in the base 1 and is detachably connected with the base 1 through the connecting piece 6, so that the driving mechanism has better maintainability. The battery replacing device is stable in structure, reliable in use and convenient to operate.

The power swapping station provided by the present invention is described below, and the power swapping station described below and the power swapping device described above may be referred to correspondingly.

The embodiment of the utility model also provides a battery swapping station which comprises a battery swapping device, wherein the battery swapping device is set as the battery swapping device in the above embodiments. So set up, trade electric installation and can support reliably in 3 bottom surfaces of battery package, bear the heavy load of battery package 3, can also aim at the position of storehouse that charges through rotating rotary platform 2, be convenient for transport battery package 3 to the position of storehouse that charges. The battery replacing device is stable and reliable and convenient to operate. And when satisfying the bearing demand of battery package 3, still can alleviate the weight of device through the setting of slope 4, have the characteristics that the light height bore, the design is more reasonable. The derivation process of the beneficial effect is substantially similar to the derivation process of the beneficial effect of the battery swapping device, and therefore, the description is omitted here.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A battery replacement device is characterized by comprising a base and a rotary platform rotatably arranged on the base,

2. The battery swapping device of claim 1, further comprising:

and the driving mechanism is used for driving the slewing bearing to rotate.

3. The battery swapping device of claim 2, further comprising a connector detachably connected to the base, wherein the connector is configured to mount the driving mechanism.

4. The battery swapping device of claim 3, wherein the drive mechanism comprises:

5. The battery replacement device as claimed in claim 4, wherein the driving motor is embedded in the base, and the base is provided with a through hole for the driving motor to pass through.

6. The battery replacement device according to claim 5, further comprising a positioning boss matched with the through hole, wherein the positioning boss is arranged on one side of the connecting piece close to the base, and the positioning boss is inserted into the through hole.

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

8. The battery replacement device of claim 1, further comprising a guide rail disposed along a width direction of the rotating platform, wherein the base is slidably connected to the guide rail, and the base moves along the guide rail.

9. The battery replacement device as claimed in claim 8, wherein the bottom of the base is provided with a guide groove matched with the guide rail, and the guide rail is inserted into the guide groove.

10. A battery swapping station comprising a battery swapping device, wherein the battery swapping device is configured as the battery swapping device defined in any one of claims 1-9.