CN216861221U

CN216861221U - Battery changing device

Info

Publication number: CN216861221U
Application number: CN202220260640.6U
Authority: CN
Inventors: 王萍; 宁子超
Original assignee: Sany Heavy Industry Co Ltd
Current assignee: Sany Lithium Energy Co ltd
Priority date: 2022-02-07
Filing date: 2022-02-07
Publication date: 2022-07-01
Anticipated expiration: 2032-02-07

Abstract

The utility model relates to the technical field of battery replacing equipment, and provides a battery replacing device, which comprises: a traveling base frame; the travelling mechanism is arranged at the bottom of the travelling base frame and used for driving the travelling base frame to move; the lifting frame is arranged at the top of the walking base frame; the lifting mechanism is connected between the travelling mechanism and the lifting frame and is used for driving the lifting frame to move up and down; the gripper is fixed on the lifting frame. According to the battery replacing device, the walking base frame is driven to horizontally move through the walking mechanism, the lifting frame is driven to move up and down through the lifting mechanism, and therefore the gripper is in butt joint with a battery and performs battery replacing movement. The battery replacing device is compact and small in structure, does not need to be provided with a large support in the existing stacker or top-hung carrying mode, is used for civil construction and the like, reduces the occupied area, and can be used for replacing batteries by arranging a plurality of sets of battery replacing devices at the same time.

Description

Battery changing device

Technical Field

The utility model relates to the technical field of battery replacement equipment, in particular to a battery replacement device.

Background

With the popularization of electric vehicles, how to timely and effectively supply electric energy to the electric vehicles with insufficient electric quantity becomes a very concern for manufacturers and vehicle owners. The mainstream solution in the market at present is to adopt a charging mode, that is, an AC slow-charging pile or a DC fast-charging pile is configured in a parking space. However, the slow charging mode needs to occupy a parking space for a long time for charging, the charging current of the fast charging mode is large, ten times or even dozens of times of the conventional charging current, the cycle life of the power battery pack can be shortened, and the full-charging state can not be achieved generally.

The power conversion station adopts a power battery replacement mode, directly replaces the battery pack with exhausted energy with the fully charged battery pack, and completes electric energy supply within minute-level time, so that the power conversion station is a very efficient electric energy supply mode. However, the existing power exchanging station, especially for large vehicles such as engineering machinery and operation machinery, generally adopts large equipment such as a stacker form and a large roof crane form, often occupies a large area, needs to be constructed in civil engineering, builds a large support, has low modularization degree, is not beneficial to maintenance, once built, cannot be changed in scale, mostly needs to be installed and debugged on site, and is difficult to transport and quickly release. And the existing power station still has low automation degree, and some can complete the power changing process even by manual cooperation, thus consuming long time and having high error rate.

SUMMERY OF THE UTILITY MODEL

The utility model provides a battery replacing device, which is used for solving the defect of large occupied area of a battery replacing station in the prior art, reduces the occupied area by designing the battery replacing device with a compact and small structure, and can arrange a plurality of groups of battery replacing devices for replacing batteries simultaneously.

The utility model provides a battery replacement device, comprising:

a traveling base frame;

the travelling mechanism is arranged at the bottom of the travelling base frame and used for driving the travelling base frame to move;

the lifting frame is arranged at the top of the walking base frame;

the lifting mechanism is connected between the travelling mechanism and the lifting frame and is used for driving the lifting frame to move up and down;

the hand grip is fixed on the lifting frame.

According to the battery replacing device provided by the utility model, the travelling mechanism comprises a first driving unit, a gear and a rack, the first driving unit is in driving connection with the gear, the gear is meshed with the rack, and the rack is fixed on a supporting surface.

The battery replacing device further comprises a guide rail, the guide rail is fixed on the supporting surface and is arranged in parallel with the rack, a sliding block is arranged at the bottom of the walking base frame and is arranged on the guide rail in a sliding mode, and the walking mechanism drives the walking base frame to move along the length direction of the guide rail.

According to the battery replacement device provided by the utility model, the two guide rails are arranged on the supporting surface in parallel, and the two groups of sliding blocks are correspondingly arranged at the bottom of the walking base frame.

According to the battery replacement device provided by the utility model, the lifting mechanism comprises a second driving unit, a winding drum, a first steel wire rope and a pulley block, the second driving unit is in driving connection with the winding drum, one end of the first steel wire rope is wound on the winding drum, and the other end of the first steel wire rope is wound on the pulley block and drives the lifting frame to perform lifting motion.

According to the battery replacement device provided by the utility model, the pulley block comprises a first pulley arranged on one side surface of the walking base frame and a second pulley arranged at the bottom of the lifting frame, and the first steel wire rope sequentially bypasses the first pulley and the second pulley from one side of the walking base frame and is fixed on the other side of the walking base frame.

According to the battery replacing device provided by the utility model, the inner side of the walking base frame is provided with the vertical guide rail, the outer side of the lifting frame is provided with the guide wheel, and the guide wheel is arranged in the vertical guide rail in a rolling manner.

The battery replacing device further comprises a counterweight mechanism, the counterweight mechanism comprises a counterweight block, a second steel wire rope and a third pulley, the third pulley is arranged at the top of the walking base frame, one end of the second steel wire rope is connected with the counterweight block, and the other end of the second steel wire rope bypasses the third pulley and is connected with the lifting frame.

According to the battery replacement device provided by the utility model, the counterweight mechanism further comprises a counterweight support, the counterweight support is fixed on the walking base frame, and the counterweight block is arranged on the counterweight support.

The battery replacement device provided by the utility model further comprises a detection mechanism, wherein the detection mechanism is arranged at the extending end of the gripper and used for detecting the position of a battery.

According to the battery replacing device, the walking base frame is driven to horizontally move through the walking mechanism, the lifting frame is driven to move up and down through the lifting mechanism, and therefore the gripper is in butt joint with a battery and performs battery replacing movement. The battery replacing device is compact and small in structure, does not need to be provided with a large support in the existing stacker or top-hung carrying mode, is used for civil construction and the like, reduces the occupied area, and can be used for replacing batteries by arranging a plurality of sets of battery replacing devices at the same time.

Drawings

In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

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

FIG. 2 is a schematic structural diagram of another view angle of the battery swapping device provided by the present invention;

FIG. 3 is a left side view of FIG. 1;

FIG. 4 is a schematic structural view of the traveling base frame, the lifting frame and the lifting mechanism provided by the utility model;

FIG. 5 is a side view of the travelling base frame, crane and hoist provided by the present invention;

FIG. 6 is a schematic view of the internal structure of the walking base frame and the lifting frame provided by the utility model;

reference numerals:

1: a traveling base frame; 201: a first drive unit; 202: a gear;

203: a rack; 3: a support surface; 401: a guide rail;

402: a slider; 501: a second driving unit; 502: a reel;

503: a first wire rope; 504: a first pulley; 505: a second pulley;

601: a vertical guide rail; 602: a guide wheel; 701: a counterweight block;

702: a second wire rope; 703: a third pulley; 704: a counterweight bracket;

8: a lifting frame; 9: a gripper; 901: a detection mechanism;

10: a battery.

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.

An electricity exchanging apparatus according to the present invention is described below with reference to fig. 1 to 6. Should trade electric installation includes: the walking base frame 1, the walking mechanism, the lifting frame 8, the lifting mechanism and the gripper 9.

The walking mechanism is arranged at the bottom of the walking base frame 1 and used for driving the walking base frame 1 to move; the lifting frame 8 is arranged at the top of the walking base frame 1; the lifting mechanism is connected between the travelling mechanism and the lifting frame 8 and is used for driving the lifting frame 8 to move up and down; the hand grip 9 is fixed on the lifting frame 8.

Specifically, walking bed frame 1 carries out horizontal migration as the supporting structure who trades electric installation, and the crane 8 that utilizes hoist mechanism drive walking bed frame 1 upper portion goes up and down, and tongs 9 can carry out level and vertical motion under the horizontal drive of walking bed frame 1 and the lift drive of crane 8, and tongs 9 is used for docking with battery 10 to drive battery 10 and remove.

According to the battery replacing device provided by the utility model, the walking base frame 1 is driven by the walking mechanism to horizontally move, the lifting frame 8 is driven by the lifting mechanism to move up and down, and therefore, the gripper 9 is butted with a battery 10 and performs battery replacing movement. The battery replacing device is compact and small in structure, does not need to be provided with a large support in the existing stacker or top-hung carrying mode, is used for civil construction and the like, reduces the occupied area, and can be used for replacing batteries by arranging a plurality of sets of battery replacing devices at the same time.

In one embodiment of the present invention, the traveling mechanism comprises a first driving unit 201, a gear 202 and a rack 203, the first driving unit 201 is in driving connection with the gear 202, the gear 202 is meshed with the rack 203, and the rack 203 is fixed on the supporting surface 3. In this embodiment, the whole battery replacement device is located on the supporting surface 3, the supporting surface 3 may be a supporting steel plate or the like, the rack 203 is fixed on the supporting surface 3, the first driving unit 201 is fixed at the bottom of the traveling pedestal 1, and the first driving unit 201 drives the gear 202 to rotate, so that the gear 202 drives the traveling pedestal 1 to move along the length direction of the rack 203. Specifically, the first driving unit 201 may employ a motor or a speed reducer, and an output shaft thereof is in meshing connection with the gear 202. Of course, the traveling mechanism may be driven by an electric cylinder, an oil cylinder, or wheels, and this embodiment is only a preferred embodiment.

In one embodiment of the utility model, the battery replacing device further comprises a guide rail 401, the guide rail 401 is fixed on the supporting surface 3, a sliding block 402 is arranged at the bottom of the traveling base frame 1, the sliding block 402 is slidably arranged on the guide rail 401, the guide rail 401 is arranged in parallel with the rack 203, and the traveling mechanism drives the traveling base frame 1 to move along the length direction of the guide rail 401. Further, two guide rails 401 are arranged on the supporting surface 3 in parallel, and two sets of sliding blocks 402 are correspondingly arranged at the bottom of the travelling base frame 1. In this embodiment, the guide rails 401 provide the moving direction for the traveling pedestal 1, the guide rails 401 and the rack 203 are arranged in parallel, the traveling pedestal 1 is supported by the two guide rails 401, the sliding block 402 at the bottom of the traveling pedestal 1 is matched with the guide rails 401 to realize the sliding of the traveling pedestal 1, and the friction force of the traveling pedestal 1 in the moving process is reduced in a sliding friction mode. Of course, the roller can be used to replace the sliding block of the above embodiment, and the friction of the travelling base frame 1 can be reduced by rolling friction.

In one embodiment of the present invention, the lifting mechanism includes a second driving unit 501, a winding drum 502, a first wire rope 503 and a pulley block, the second driving unit 501 is connected to the winding drum 502 in a driving manner, one end of the first wire rope 503 is wound around the winding drum 502, and the other end of the first wire rope 503 is wound around the pulley block and drives the lifting frame 8 to perform a lifting motion. In this embodiment, the second driving unit 501 drives the winding drum 502 to rotate, so as to drive the first wire rope 503 to pull the crane 8 to perform lifting movement. Specifically, the winding drum 502 is disposed at one side of the traveling base frame 1, one end of the first wire rope 503 is wound on the winding drum 502, the direction is changed by a pulley block (which may include a fixed pulley, a movable pulley, etc.) and the crane 8 is driven to move, the other end of the first wire rope 503 is fixed at the other side of the traveling base frame 1, and when the winding drum 502 rotates to recover or release the first wire rope 503, the crane 8 can be correspondingly lifted or lowered.

Further, the pulley block comprises a first pulley 504 arranged on one side surface of the walking base frame 1 and a second pulley 505 arranged at the bottom of the lifting frame 8, and the first steel wire rope 503 sequentially winds around the first pulley 504 and the second pulley 505 from one side of the walking base frame 1 and is fixed on the other side of the walking base frame 1. In this embodiment, the pulley block includes a plurality of pulleys, wherein the first pulley 504 is a fixed pulley and is used for changing the traction direction of the first steel wire rope 503, and the second pulley 505 is installed on the lifting frame 8 and can lift along with the lifting frame 8, the first steel wire rope 503 is wound and unwound by using the winding drum 502, and the lifting frame 8 can be driven by the second pulley 505 to lift.

In one embodiment of the utility model, the inner side of the traveling base frame 1 is provided with a vertical guide rail 601, the outer side of the lifting frame 8 is provided with a guide wheel 602, and the guide wheel 602 is arranged in the vertical guide rail 601 in a rolling manner. In this embodiment, the walking bed frame 1 adopts hollow structure, and walking bed frame 1 overlaps in the outside of crane 8, and the inside of walking bed frame 1 is equipped with four vertical guide rails 601, and crane 8's outside correspondence sets up four sets of leading wheels 602, and leading wheel 602 can be vertical roll in vertical guide rail 601 to guarantee that crane 8's elevating movement is vertical direction.

In one embodiment of the utility model, the battery replacing device further comprises a counterweight mechanism, the counterweight mechanism comprises a counterweight block 701, a second steel wire rope 702 and a third pulley 703, the third pulley 703 is arranged at the top of the walking base frame 1, one end of the second steel wire rope 702 is connected with the counterweight block 701, and the other end of the second steel wire rope 702 is connected with the lifting frame 8 by bypassing the third pulley 703. In this embodiment, one end of the second wire rope 702 is connected to the counterweight 701, and the other end is connected to the crane 8 via the third pulley 703. Specifically, in order to reduce the load of the lifting mechanism, the second steel wire rope 702 is used for connecting the counterweight block 701 with the lifting frame 8, the third pulley 703 is a fixed pulley, the traction direction of the second steel wire rope 702 is changed, when the lifting frame 8 ascends, the counterweight block 701 correspondingly descends, and the lifting mechanism can realize the lifting motion of the lifting frame 8 by using a small force through the counterweight mechanism.

Further, the counterweight mechanism further comprises a counterweight support 704, the counterweight support 704 is fixed on the walking pedestal 1, the counterweight block 701 is arranged on the counterweight support 704, and the counterweight support 704 comprises a bottom plate and a side plate and is mainly used for avoiding lateral deviation of the counterweight block in the lifting process.

In one embodiment of the present invention, the battery replacing device further includes a detecting mechanism 901, and the detecting mechanism 901 is disposed at the extending end of the handle 9 and is used for detecting the position of the battery 10. Specifically, the detection mechanism 901 may be a photoelectric sensor or a distance sensor, etc. and is used for finding and positioning the grasping position of the battery 10, after the positioning, the traveling mechanism drives the traveling base frame 1 to move toward the battery 10, and after the gripper 9 extends into the corresponding position of the battery 10 and is locked, the lifting mechanism lifts the crane 8 and the gripper 9 upwards to drive the battery 10 to lift together, and then the traveling base frame 1 is driven by the traveling mechanism to transfer the battery 10, so as to complete the transportation of the battery 10.

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 swapping device is characterized by comprising:

a traveling base frame;

the lifting frame is arranged at the top of the walking base frame;

the hand grip is fixed on the lifting frame.

2. The battery replacement device as claimed in claim 1, wherein the traveling mechanism comprises a first driving unit, a gear and a rack, the first driving unit is in driving connection with the gear, the gear is meshed with the rack, and the rack is fixed on a supporting surface.

3. The battery replacement device according to claim 2, further comprising a guide rail, wherein the guide rail is fixed on the support surface and arranged parallel to the rack, a sliding block is arranged at the bottom of the traveling base frame, the sliding block is slidably arranged on the guide rail, and the traveling mechanism drives the traveling base frame to move along the length direction of the guide rail.

4. The battery replacement device according to claim 3, wherein the two guide rails are arranged on the supporting surface in parallel, and two sets of sliding blocks are correspondingly arranged at the bottom of the walking base frame.

5. The battery replacement device according to claim 1, wherein the lifting mechanism comprises a second driving unit, a winding drum, a first steel wire rope and a pulley block, the second driving unit is in driving connection with the winding drum, one end of the first steel wire rope is wound on the winding drum, and the other end of the first steel wire rope is wound on the pulley block and drives the lifting frame to perform lifting movement.

6. The battery replacement device according to claim 5, wherein the pulley block comprises a first pulley arranged on one side surface of the walking base frame and a second pulley arranged at the bottom of the lifting frame, and the first steel wire rope sequentially bypasses the first pulley and the second pulley from one side of the walking base frame and is fixed on the other side of the walking base frame.

7. The battery replacing device as claimed in claim 1, wherein a vertical guide rail is arranged on the inner side of the traveling base frame, and a guide wheel is arranged on the outer side of the lifting frame and is arranged in the vertical guide rail in a rolling manner.

8. The battery replacing device according to claim 1, further comprising a counterweight mechanism, wherein the counterweight mechanism comprises a counterweight block, a second steel wire rope and a third pulley, the third pulley is arranged at the top of the walking base frame, one end of the second steel wire rope is connected with the counterweight block, and the other end of the second steel wire rope bypasses the third pulley and is connected with the lifting frame.

9. The battery swapping device as in claim 8, wherein the counterweight mechanism further comprises a counterweight support fixed to the walking base frame, and the counterweight is disposed on the counterweight support.

10. The battery replacement device according to any one of claims 1 to 9, further comprising a detection mechanism, wherein the detection mechanism is arranged at the extending end of the gripper and is used for detecting the position of the battery.