CN216886354U

CN216886354U - Working machine and battery replacement structure thereof

Info

Publication number: CN216886354U
Application number: CN202220414014.8U
Authority: CN
Inventors: 陈灿; 李敏; 唐雁雁
Original assignee: Sany Automobile Hoisting Machinery Co Ltd
Current assignee: Sany Automobile Hoisting Machinery Co Ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-07-05
Anticipated expiration: 2032-02-28

Abstract

The utility model relates to the technical field of operation machinery, in particular to operation machinery and a battery replacement structure thereof. Should trade electric structure includes: a first drive mechanism provided on a machine body of the working machine; the second driving mechanism is connected with the first driving mechanism, the first driving mechanism can drive the second driving mechanism to move along a first direction, and a first connecting part is arranged at the end part of the second driving mechanism; the battery device is provided with a second connecting part, and when the first driving mechanism drives the second driving mechanism to displace along a first direction, the first connecting part can be connected with or disconnected from the second connecting part. The utility model provides a working machine and a battery replacement structure thereof, which are convenient for replacing batteries and effectively improve the battery replacement efficiency.

Description

Working machine and battery replacement structure thereof

Technical Field

The utility model relates to the technical field of operation machinery, in particular to operation machinery and a battery replacement structure thereof.

Background

With the popularization of new energy operating machines, manufacturers and markets increasingly attach importance to the lightweight design and the cruising performance of the new energy operating machines.

For example, in the electric crane in the prior art, if the electric crane needs a large amount of electricity for long endurance, the battery arrangement and cost are greatly tested, and meanwhile, the development of the pure electric crane is restricted due to the inconvenience and the serious charging.

In order to solve the problem of endurance of the operation machine, a power replacing scheme of the operation machine is provided in the prior art, however, a power replacing structure of the operation machine in the prior art is not convenient for battery replacement, and the efficiency is low when the battery is replaced.

SUMMERY OF THE UTILITY MODEL

The utility model provides an operation machine and a battery replacement structure thereof, which are convenient for replacing batteries and effectively improve the battery replacement efficiency.

A first aspect of the present invention provides a battery replacement structure, including:

a first drive mechanism provided on a machine body of the working machine;

the second driving mechanism is connected with the first driving mechanism, the first driving mechanism can drive the second driving mechanism to move along a first direction, and a first connecting part is arranged at the end part of the second driving mechanism;

and the battery device is provided with a second connecting part, and when the first driving mechanism drives the second driving mechanism to displace along the first direction, the first connecting part can be connected with or disconnected from the second connecting part.

According to the battery replacement structure provided by the utility model, the first driving mechanism is arranged on the rotary table of the working machine.

According to the battery replacement structure provided by the utility model, the first driving mechanisms are arranged in a plurality of numbers, the first driving mechanisms are distributed on the side surface of the rotary table, and the second driving mechanisms are arranged in a plurality of numbers and are connected with the first driving mechanisms in a one-to-one correspondence manner.

According to the battery replacement structure provided by the utility model, one of the first connecting part and the second connecting part is set as a connecting cylinder, the other one is set as a connecting column, the side wall and the end part of the connecting cylinder are provided with openings for the connecting column to enter, the opening at the end part of the connecting cylinder is smaller than the cross section of the inner cavity of the connecting cylinder, and the shape of the connecting column is matched with the shape of the port and the inner cavity of the connecting cylinder.

According to the battery replacement structure provided by the utility model, the battery replacement structure further comprises a fixed counterweight, and the fixed counterweight is connected with the rotary table.

According to the battery replacement structure provided by the utility model, the fixed counterweight is positioned between the rotary table and the battery device, and the fixed counterweight is provided with an avoidance groove for avoiding the second driving mechanism.

According to the battery replacement structure provided by the utility model, one of the fixed counter weight and the corresponding surface of the battery device is provided with a female end of a quick-change connector, and the other is provided with a male end of the quick-change connector matched with the female end of the quick-change connector.

According to the battery replacement structure provided by the utility model, the first driving mechanism comprises a first hydraulic cylinder which is arranged on the machine body and is used for driving the second driving mechanism.

According to the battery replacement structure provided by the utility model, the battery device comprises a box body, a battery, a water cooling unit and a high-voltage box, wherein the battery, the water cooling unit and the high-voltage box are all arranged in the box body, and the water cooling unit is used for cooling the battery.

A second aspect of the present invention provides a working machine, including a machine body and a battery replacement structure provided on the machine body, where the battery replacement structure is the battery replacement structure described above.

According to the technical scheme provided by the utility model, when the battery device is installed on the operation machine, the first driving mechanism can be controlled to drive the second driving mechanism to displace along the first direction, so that the first connecting part of the second driving mechanism is butted with the second connecting part on the battery device, and then the battery device is lifted by controlling the second driving mechanism, so that the installation of the battery device is realized. When the battery device needs to be disassembled, the second driving mechanism can be controlled to drive the battery device to move downwards, the battery device is placed on the preset position, then the first driving mechanism is controlled to drive the second driving mechanism to move, the first connecting portion is separated from the second connecting portion, and the battery device is disassembled. So set up, can realize battery device's change fast, improved battery replacement efficiency.

The utility model also provides a working machine which comprises a machine body and a battery replacing structure arranged on the machine body, wherein the battery replacing structure is any one of the battery replacing structures. With the arrangement, the working machine provided by the utility model has higher battery replacement efficiency. The derivation process of the beneficial effect is substantially similar to the derivation process of the beneficial effect brought by the battery swapping structure, and is not described herein again.

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 diagram of an assembly structure of a battery replacement structure according to an embodiment of the present invention;

FIG. 2 is an exploded view of an exemplary switching structure of the present invention;

FIG. 3 is a schematic view of a fixed weight configuration in an embodiment of the present invention;

FIG. 4 is an exploded view of a battery device according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a second driving mechanism in the embodiment of the present invention;

fig. 6 is a schematic view of a connector barrel according to an embodiment of the present invention.

Reference numerals:

11: a first drive mechanism; 12: a second drive mechanism; 13: a turntable; 14: a battery device; 15: fixing a balance weight; 16: a connecting cylinder; 17: an avoidance groove; 18: a quick-change connector female end; 19: a box body; 20: a battery; 21: fixing a bracket; 22: a water cooling unit; 23: a male end of a quick-change connector; 24: a high voltage box; 25: connecting columns.

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 following describes the battery replacement structure provided in the embodiment of the present invention with reference to fig. 1 to 6. The battery replacement structure provided in this embodiment includes a first driving mechanism 11 and a second driving mechanism 12.

The first driving mechanism 11 is disposed on a machine body of the working machine. In some embodiments, the work machine may be a crane, and the first drive mechanism 11 is arranged on a turntable 13 of the crane. The telescopic end of the first drive mechanism 11 is reciprocally displaceable in a first direction (e.g. the transverse direction in fig. 1). The second driving mechanism 12 is connected to the first driving mechanism 11, specifically, the second driving mechanism 12 is connected to a telescopic end of the first driving mechanism 11, and the first driving mechanism 11 can drive the second driving mechanism 12 to move back and forth along the first direction. Further, the end of the second driving mechanism 12 is provided with a first connecting portion, and the second driving mechanism 12 can drive the first connecting portion to be reciprocally displaced in a second direction (e.g., a longitudinal direction in fig. 1). The "longitudinal direction" refers to a vertical direction in the state shown in fig. 1, and the "lateral direction" refers to a direction perpendicular to the "longitudinal direction".

The battery device 14 is provided with a second connecting portion, and when the first driving mechanism 11 drives the second driving mechanism 12 to displace along the first direction, the first connecting portion can be connected with or disconnected from the second connecting portion. For example, when the telescopic end of the first driving mechanism 11 is retracted, the second driving mechanism 12 can be driven to gradually approach the second connecting portion of the battery device 14 until the first connecting portion on the second driving mechanism 12 is abutted with the second connecting portion of the battery device 14. When the telescopic end of the first driving mechanism 11 extends out, the second driving mechanism 12 can be driven to gradually get away from the second connecting part until the first connecting part and the second connecting part are separated.

With this arrangement, according to the technical solution provided in this embodiment, when the battery device 14 is mounted on the working machine, the first driving mechanism 11 may be controlled to drive the second driving mechanism 12 to displace along the first direction, so that the first connecting portion of the second driving mechanism 12 is abutted against the second connecting portion of the battery device 14, and then the second driving mechanism 12 is controlled to lift the battery device 14, so as to mount the battery device 14. When the battery device 14 needs to be disassembled, the second driving mechanism 12 may be controlled to drive the battery device 14 to move downward, the battery device 14 is placed at a preset position, and then the first driving mechanism 11 is controlled to drive the second driving mechanism 12 to move along the first direction, so that the first connecting portion is separated from the second connecting portion, thereby achieving the disassembling of the battery device 14. By such arrangement, the battery device 14 can be replaced quickly, and the battery replacement efficiency is improved.

In a further embodiment, the first driving mechanism 11 is disposed on a turntable 13 of the working machine, and the first driving mechanism 11 is provided in plurality, the plurality of first driving mechanisms 11 are distributed on a side surface of the turntable 13, the plurality of second driving mechanisms 12 are provided in plurality and are connected to the first driving mechanisms 11 in a one-to-one correspondence, and the plurality of second connecting portions on the corresponding battery devices 14 are also provided in plurality and are connected to the plurality of second driving mechanisms 12 in a one-to-one correspondence.

In some embodiments, four corner positions of the turntable 13 of the working machine are provided with one first driving mechanism 11, respectively, and the four first driving mechanisms 11 can be extended simultaneously or retracted simultaneously. The telescopic end of each first driving mechanism 11 is connected with a second driving mechanism 12, and the telescopic end of each second driving mechanism 12 is provided with a first connecting part. Correspondingly, four second connection portions are arranged on the upper end face of the battery device 14, and the four first connection portions can be connected with the four second connection portions in a one-to-one correspondence manner.

When the battery needs to be connected, after the battery is placed at a preset position, the four first driving mechanisms 11 simultaneously drive the four second driving mechanisms 12 to move, so that the first connecting parts of the four second driving mechanisms 12 are respectively and gradually close to the corresponding four second connecting parts until the first connecting parts and the second connecting parts are butted together. And then controls the four second driving mechanisms 12 to simultaneously lift the batteries upwards to realize the installation of the batteries. When the battery is disassembled, the four second driving mechanisms 12 are controlled to simultaneously extend downwards to enable the battery device 14 to be placed at a preset position, and then the four first driving mechanisms 11 are controlled to simultaneously drive the four second driving mechanisms 12 to displace to enable the first connecting parts of the second driving mechanisms 12 to be separated from the second connecting parts of the battery device 14.

In a further embodiment, one of the first and second connections is provided as a connector barrel 16 and the other is provided as a connector post 25. As shown in fig. 6, the connecting cylinder 16 is a cylindrical structure having a hollow inside and is used to connect with the connecting column 25, and an opening is provided at an end of the connecting cylinder 16. The side wall and the end part of the connecting cylinder 16 are provided with openings for the connecting column 25 to enter, the end opening of the connecting cylinder 16 is smaller than the cross section of the inner cavity of the connecting cylinder, and the shape of the connecting column 25 is matched with the shape of the port and the inner cavity of the connecting cylinder 16.

In some embodiments, the first connector portion is configured as the connector post 25 and the second connector portion is configured as the connector barrel 16.

After the connecting column 25 enters the connecting cylinder 16 from the side wall opening of the connecting cylinder 16 along the first direction, since the end opening section of the connecting cylinder 16 is smaller than the section of the inner cavity, and the shape of the connecting column 25 is matched with the shape of the port and the inner cavity of the connecting cylinder 16, that is, the section of the connecting column 25 at the inner position of the inner cavity of the connecting cylinder 16 is larger than the section of the connecting column 25 at the end opening position of the connecting cylinder 16, as shown in fig. 5. So set up, connecting column 25 enters into the connecting cylinder 16 back along the first direction by the lateral wall opening of connecting cylinder 16, when connecting column 25 and connecting cylinder 16 along second direction relative motion, the great position in connecting column 25 cross-section can be put in connecting cylinder 16 by the card.

With this arrangement, when the first driving mechanism 11 drives the second driving mechanism 12 to displace along the first direction, the first connecting portion and the second connecting portion can be connected or disconnected, and the battery device 14 can be replaced without manual operation.

In the battery replacement device provided in this embodiment, the battery device 14 is disposed at the lower position of the turntable 13, and the battery device 14 can also play a role of a counterweight, thereby contributing to a lightweight design of the working machine.

Given that only battery device 14 is used as the counterweight for the work machine, there may be situations where the counterweight is insufficient under certain operating conditions. In a further embodiment, a fixed counterweight 15 may also be provided on the body of the work machine, the fixed counterweight 15 being connected to the turntable 13. Specifically, bolt holes are formed in the corresponding positions of the fixed counterweight 15 and the rotary table 13, and the fixed counterweight 15 is connected with the rotary table 13 through bolts inserted into the bolt holes.

In some embodiments, the fixed weight 15 may be a rectangular parallelepiped structure. The fixed weight 15 may be attached to the lower surface of the turntable 13 by a bolt, a pin, or the like, i.e., the fixed weight 15 is located between the turntable 13 and the battery device 14. In order to avoid the interference of the fixed counterweight 15 on the movement of the second driving mechanism 12, an avoiding groove 17 for avoiding the second driving mechanism 12 may be provided on the fixed counterweight 15, the first connecting portion at the lower end of the second driving mechanism 12 is connected with the second connecting portion of the battery device 14 through the avoiding groove 17, and the avoiding groove 17 needs to leave a space for the second driving mechanism 12 to move along the first direction.

In a further embodiment, the fixed weight 15 and the battery device 14 are provided on their respective faces, one with a female quick-change connector end 18 and the other with a male quick-change connector end 23 adapted to the female quick-change connector end 18.

For example, a female quick-change connector end 18 may be provided at the lower end of the fixed weight 15, and a male quick-change connector end 23 may be provided at the upper end of the battery device 14, so that the male quick-change connector end 23 of the battery device 14 can be plugged into the female quick-change connector end 18 of the fixed weight 15 when the battery device 14 is lifted by the second driving mechanism 12. The battery assembly 14 provides electrical power to the work machine through the quick-change connector female end 18 and the quick-change connector male end 23.

In some embodiments, the first drive mechanism 11 comprises a first hydraulic cylinder, the cylinder base of which may be connected to a turntable 13 of the work machine, and the second drive mechanism 12 is driven by a piston rod of the first hydraulic cylinder to displace in the first direction.

Of course, in other embodiments, the first driving mechanism 11 may also be a linear driving mechanism such as an air cylinder, a motor, and an electric cylinder.

The second driving mechanism 12 may include a second hydraulic cylinder, a cylinder block of which may be connected to a rod end of the first hydraulic cylinder, and the second hydraulic cylinder may be reset in the first direction by the driving action of the first hydraulic cylinder.

In a further embodiment, the battery device 14 includes a box 19, a battery 20, a water chiller 22 and a high voltage box 24, the battery 20, the water chiller 22 and the high voltage box 24 are all disposed in the box 19, and the water chiller 22 is used for cooling the battery.

Specifically, a fixing bracket 21 may be provided inside the case 19, and the battery 20 may be fixed inside the case 19 by the fixing bracket 21. A water chiller unit 22 and a high voltage box 24 are also mounted on the fixing bracket 21, and the water chiller unit 22 can provide a circulating cooling liquid to cool the battery 20. The electrical components of the battery device 14 may be disposed within the high voltage compartment 24. By such an arrangement, the integration level of the battery device 14 is improved, and the battery device is suitable for the integral replacement of the battery device 14.

The embodiment of the utility model also provides the working machine which comprises a machine body and a battery replacing structure arranged on the machine body, wherein the battery replacing structure is any one of the battery replacing structures.

So set up, the operation machinery that this embodiment provided, it is higher to change battery efficiency. The derivation process of the beneficial effect is substantially similar to the derivation process of the beneficial effect brought by the battery swapping structure, and is not described herein again.

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 trade electric structure, its characterized in that includes:

a first drive mechanism (11) provided on the machine body of the working machine;

the second driving mechanism (12) is connected with the first driving mechanism (11), the first driving mechanism (11) can drive the second driving mechanism (12) to move along a first direction, and a first connecting part is arranged at the end part of the second driving mechanism (12);

and the battery device (14) is provided with a second connecting part, and when the first driving mechanism (11) drives the second driving mechanism (12) to displace along the first direction, the first connecting part can be connected with or disconnected from the second connecting part.

2. The battery change structure according to claim 1, wherein the first drive mechanism (11) is provided on a turntable (13) of a work machine.

3. The battery replacement structure according to claim 2, wherein the first driving mechanism (11) is provided in plurality, the plurality of first driving mechanisms (11) are distributed on the side surface of the rotary table (13), and the plurality of second driving mechanisms (12) are provided and connected with the first driving mechanisms (11) in a one-to-one correspondence manner.

4. The battery replacement structure according to claim 1, wherein one of the first connecting part and the second connecting part is provided as a connecting cylinder (16), the other one is provided as a connecting column (25), the side wall and the end part of the connecting cylinder (16) are provided with openings for the connecting column (25) to enter, the cross-sectional area of the end part opening of the connecting cylinder (16) is smaller than that of the inner cavity of the connecting cylinder, and the shape of the connecting column (25) is matched with the shapes of the end part opening and the inner cavity.

5. The battery swapping structure of claim 2 further comprising a fixed weight (15), wherein the fixed weight (15) is connected to the turntable (13).

6. Battery swapping structure according to claim 5, characterized in that the fixed counterweight (15) is located between the turntable (13) and the battery arrangement (14), the fixed counterweight (15) being provided with an avoidance groove (17) for avoiding the second driving mechanism (12).

7. Battery change arrangement according to claim 5, characterized in that the fixed counterweight (15) and the battery device (14) are provided with a female quick-change connector end (18) on their respective faces, and a male quick-change connector end (23) adapted to the female quick-change connector end (18) on the other.

8. The battery replacement structure according to claim 1, wherein the first driving mechanism (11) comprises a first hydraulic cylinder disposed on the machine body, and the first hydraulic cylinder is used for driving the second driving mechanism (12).

9. The battery swapping structure according to claim 1, wherein the battery device (14) comprises a box (19), a battery (20), a water chiller (22) and a high voltage box (24), the battery (20), the water chiller (22) and the high voltage box (24) are all arranged in the box (19), and the water chiller (22) is used for cooling the battery (20).

10. The working machine is characterized by comprising a machine body and a battery replacement structure arranged on the machine body, wherein the battery replacement structure is as defined in any one of claims 1 to 9.