CN221162178U

CN221162178U - Battery replacing device and engineering vehicle

Info

Publication number: CN221162178U
Application number: CN202323617477.8U
Authority: CN
Inventors: 张青爽; 李文举; 王立亮
Original assignee: Great Wall Heavy Industry Co ltd
Current assignee: Great Wall Heavy Industry Co ltd
Priority date: 2023-12-28
Filing date: 2023-12-28
Publication date: 2024-06-18
Anticipated expiration: 2033-12-28

Abstract

The utility model provides a power exchanging device and an engineering vehicle, comprising a mounting unit, a replacing unit and a hoisting unit, wherein the mounting unit is arranged on a frame; the power battery is mounted on the replacement unit, and when the replacement unit slides to the far end from one side of the installation unit, the replacement unit turns downwards around the first axis; the hoisting unit is rotationally connected to the mounting unit and is used for hoisting the power battery. The utility model provides a power conversion device and an engineering vehicle, and aims to solve the problems that in the prior art, the replacement of a power battery of a new energy engineering vehicle is limited, the cost is high, and the popularization and the use of the new energy engineering vehicle are seriously influenced.

Description

Battery replacing device and engineering vehicle

Technical Field

The utility model belongs to the technical field of new energy power conversion devices, and particularly relates to a power conversion device and an engineering vehicle.

Background

The electric engineering equipment gradually replaces the old internal combustion engine engineering equipment, however, engineering mechanical equipment such as a loader, an excavator and the like have very high energy consumption due to long-term heavy operation, and the problem of endurance anxiety of the electric engineering equipment can be effectively solved by changing electricity.

However, at present, the power exchange operation of engineering vehicles such as loaders and excavators is usually performed in a power exchange station, and not only the power exchange station needs to be built, but also special power exchange equipment needs to be configured, which occupies a considerable proportion in investment cost and operation cost of engineering vehicles such as new energy loaders and excavators.

Although the power conversion mode is suitable for the new energy engineering vehicle cluster, the new energy engineering vehicle is not more, continuous operation is required, the route investment cost for constructing the power conversion station is high, and each power conversion is required to be carried out in the power conversion station, so that the power conversion operation of the new energy engineering vehicle is complicated, and the time cost and the labor cost are increased.

In order to reduce the power conversion cost of the new energy engineering vehicle, a part of users with fewer new energy engineering vehicles adopt hoisting equipment to replace the power battery. However, most engineering machinery vehicles need field operation, the working environment is limited, large engineering machinery such as hoisting equipment cannot be used at all, normal use of the new energy engineering vehicle is seriously affected, and great barriers are generated for popularization of the new energy engineering vehicle.

Disclosure of utility model

The utility model aims to provide a power conversion device and an engineering vehicle, and aims to solve the problems that in the prior art, the replacement of a power battery of a new energy engineering vehicle is limited, the cost is high, and the popularization and the use of the new energy engineering vehicle are seriously influenced.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

In a first aspect, a power conversion device is provided, including:

The mounting unit is arranged on the frame;

the power battery is mounted on the replacement unit, and when the replacement unit slides to the far end from one side of the installation unit, the replacement unit turns downwards around the first axis; and

And the hoisting unit is rotationally connected with the mounting unit and is used for hoisting the power battery.

With reference to the first aspect, in one possible implementation manner, the mounting unit includes a plurality of fixing pieces distributed at intervals along a left-right direction, a plurality of the fixing pieces are respectively connected to the frame, and the replacing unit is slidably connected to a plurality of the fixing pieces along a front-rear direction.

With reference to the first aspect, in a possible implementation manner, the mounting unit further includes a connector connected to a plurality of the fixing members.

In combination with the first aspect, in one possible implementation manner, the installation unit is provided with a chute along a front-back direction, a limit rod is arranged in the chute, an axis of the limit rod is parallel to a left-right direction, and the replacement unit includes:

The support assembly comprises a support platform and a sliding piece, the support platform is connected to the frame in a sliding mode along the front-back direction, the sliding piece is connected to the rear side of the support platform, the sliding piece is arranged in the sliding groove in a sliding mode, a limiting groove is formed in the sliding piece along the front-back direction, the limiting rod is inserted into the limiting groove, and when the sliding piece slides to the farthest end towards one side deviating from the mounting unit, the sliding piece turns downwards around the limiting rod; and

The driving assembly is rotationally connected with the mounting unit, and the driving end of the driving assembly is rotationally connected with the supporting platform and used for driving the supporting platform to slide along the front-back direction.

With reference to the first aspect, in one possible implementation manner, a side of the sliding member, which is close to the mounting unit, has an arc-shaped abdication portion, and the abdication portion is located at the top of the sliding member.

With reference to the first aspect, in one possible implementation manner, the driving assembly includes:

the telescopic driver is rotationally connected with the mounting unit; and

The fastener is connected to the supporting platform, the fastener extends along the left-right direction, and the telescopic end of the telescopic driver is rotationally connected with the fastener.

With reference to the first aspect, in a possible implementation manner, the replacing unit further includes a locking assembly connected with the mounting unit and the driving assembly, respectively, the locking assembly includes:

A guide member connected to the mounting unit, the guide member being disposed in a left-right direction; and

The locking piece is provided with a locking groove along the front-back direction, the guide piece is inserted into the locking groove, the locking piece is also rotationally connected with the fastening piece, and when the supporting platform is turned down to the lowest point, the guide piece is hung with the outer edge of the locking groove.

With reference to the first aspect, in one possible implementation manner, the hoisting unit includes:

the hoisting driver is rotationally connected to the mounting unit and is a telescopic member; and

The hoisting assembly is rotationally connected to the mounting unit, and is rotationally connected with the driving end of the hoisting driver, and the hoisting assembly is used for hoisting the power battery.

With reference to the first aspect, in one possible implementation manner, the hoisting assembly includes a hoisting arm rotationally connected to the mounting unit, a driving rod is connected to a middle portion of the hoisting arm, the driving rod is rotationally connected to the hoisting driver, one end of the hoisting arm is rotationally connected to the mounting unit, and the other end is used for being connected to a power battery.

The power conversion device provided by the utility model has the beneficial effects that: compared with the prior art, the power conversion device is directly arranged on the frame and moves along with the engineering vehicle. When the power battery needs to be replaced, the replacement unit is slid to the side deviating from the mounting unit along the front-rear direction, and after the replacement unit is slid to the farthest end, the replacement unit is turned downwards, so that the power battery connected to the replacement unit is turned downwards synchronously. And after the replacement unit is turned down to a designated position, the lifting unit removes the vehicle-mounted power battery. Then, the hoisting unit hoistes the new power battery to be connected with the replacement unit, and then the replacement unit rotates upwards and slides and resets along the front-rear direction. According to the utility model, the power battery is not required to be replaced by using external hoisting equipment, so that the power battery can be replaced more conveniently and rapidly in the field and other working sites, and the continuous cruising ability of the new energy engineering vehicle is ensured. Meanwhile, a special power exchange station is not required to be established, so that the power exchange cost is reduced, and the large-scale popularization of new energy engineering vehicles is facilitated.

In a second aspect, an embodiment of the present utility model further provides an engineering vehicle, including the power conversion device described in any one of the above.

The engineering vehicle provided by the utility model has the beneficial effects that: compared with the prior art, the engineering vehicle adopts the power exchanging device, has similar technical effects as the power exchanging device, and is not repeated herein.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed 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 only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a power conversion device according to an embodiment of the present utility model;

Fig. 2 is a partial bottom view of a power conversion device according to an embodiment of the present utility model;

FIG. 3 is a schematic structural view of an installation unit and a hoisting unit according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a replacement unit and a mounting unit according to an embodiment of the present utility model when they are close to each other;

FIG. 5 is a schematic view of a replacement unit according to an embodiment of the present utility model after sliding to a side away from a mounting unit;

Fig. 6 is a schematic diagram of a downward flipped replacement unit according to an embodiment of the present utility model.

In the figure: 1. an installation unit; 101. a fixing member; 1011. a chute; 102. a connecting piece; 103. a limit rod; 2. a replacement unit; 201. a support platform; 202. a telescopic drive; 203. a fastener; 204. a locking member; 2041. a locking groove; 205. a guide member; 206. a slider; 2061. a limit groove; 2062. a yielding part; 3. a hoisting unit; 301. a hoisting arm; 302. hoisting a driver; 303. and a driving rod.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the claims, specification and drawings hereof, unless explicitly defined otherwise, the terms "first," "second," or "third," etc. are used for distinguishing between different objects and not for describing a particular sequential order. In the claims, the specification and the drawings of the utility model, the azimuth terms "upper" and "lower" are the same as the up-down direction of the vehicle body, the terms "left" and "right" are the same as the left-right direction of the vehicle body, the terms "front" and "rear" are the same as the front-rear direction of the vehicle body, the term "inner" is the side adjacent to the passenger compartment in the left-right direction of the vehicle body, and the term "outer" is the opposite side. Unless otherwise indicated, the terms of orientation or position such as "vertical," "clockwise," "counterclockwise," and the like refer to an orientation or positional relationship based on the orientation and positional relationship shown in the drawings and are merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation or be constructed and operated in a particular orientation, nor should it be construed as limiting the specific scope of protection of the present utility model. In the claims, specification and drawings of the present utility model, unless explicitly defined otherwise, the term "fixedly connected" or "fixedly connected" should be construed broadly, i.e. any connection between them without a displacement relationship or a relative rotation relationship, that is to say includes non-detachably fixedly connected, integrally connected and fixedly connected by other means or elements. In the claims, specification and drawings of the present utility model, the terms "comprising," having, "and variations thereof as used herein, are intended to be" including but not limited to.

Referring to fig. 1 to 6, a description will be given of a power conversion device and an engineering vehicle provided by the present utility model. The power exchanging device comprises a mounting unit 1, a replacing unit 2 and a hoisting unit 3, wherein the mounting unit 1 is arranged on a frame; the replacement unit 2 is connected to the installation unit 1 in a sliding manner along the front-rear direction, the replacement unit 2 is also connected with the installation unit 1 in a rotating manner around a first axis, the first axis is arranged at an included angle with the front-rear direction, the power battery is installed on the replacement unit 2, and when the replacement unit 2 slides to the far-end side away from the installation unit 1, the replacement unit 2 turns downwards around the first axis; the hoisting unit 3 is rotatably connected to the mounting unit 1, and the hoisting unit 3 is used for hoisting the power battery.

Compared with the prior art, the power conversion device provided by the utility model is directly arranged on the frame and moves along with the engineering vehicle. When the power battery needs to be replaced, the replacement unit 2 is slid in the front-rear direction to the side away from the mounting unit 1, and after the replacement unit 2 is slid to the most distal end, the replacement unit 2 is turned down, so that the power battery connected to the replacement unit 2 is turned down synchronously. After the replacement unit 2 is turned down to a designated position, the lifting unit 3 removes the vehicle-mounted power battery. Then, the hoist unit 3 hoists a new power battery to be connected with the replacement unit 2, and then the replacement unit 2 is rotated upward and slid in the front-rear direction to be reset. According to the utility model, the power battery is not required to be replaced by using external hoisting equipment, so that the power battery can be replaced more conveniently and rapidly in the field and other working sites, and the continuous cruising ability of the new energy engineering vehicle is ensured. Meanwhile, a special power exchange station is not required to be established, so that the power exchange cost is reduced, and the large-scale popularization of new energy engineering vehicles is facilitated.

When the working vehicle is normally used, the replacement unit 2 slides in the front-rear direction to approach the mounting unit 1, so that the frame is prevented from being extended to affect normal operation. And the replacement unit 2 can be kept in a state of being close to the mounting unit 1 when not subjected to an external force.

In some embodiments, referring to fig. 1, the mounting unit 1 includes a plurality of fixing members 101 spaced apart in a left-right direction, the plurality of fixing members 101 are respectively connected to the frame, and the replacing unit 2 is slidably connected to the plurality of fixing members 101 in a front-rear direction.

In this embodiment, the replacement unit 2 is slidably connected to the plurality of fixing members 101, so that the contact area between the replacement unit 2 and the mounting unit 1 is increased, and the stability and the firmness of connection are improved. Because the power battery weight is great, in the change unit 2 load power battery slip and upset in-process, the condition that appears connecting failure easily, in order to avoid mounting 101 or change unit 2 to damage, set up a plurality of mounts 101 and be connected with change unit 2, guarantee to change in-process mounting 101 and change unit 2 and receive the damage.

In some embodiments, referring to fig. 1 and 3, the mounting unit 1 further includes a connector 102 connected to the plurality of fixing members 101.

The connecting piece 102 connects a plurality of mounting 101, makes a plurality of mounting 101 form overall structure, for the independent setting of a plurality of mounting 101, the scheme of no relation of connection each other, has further increased the connection fastness between a plurality of mounting 101 and the frame, can also avoid simultaneously that mounting 101 atress back is invalid with the replacement unit 2 connection.

In some embodiments, referring to fig. 3, the installation unit 1 is provided with a sliding slot 1011 along the front-rear direction, a limiting rod 103 is arranged in the sliding slot 1011, the axis of the limiting rod 103 is parallel to the left-right direction, the replacement unit 2 comprises a supporting component and a driving component, the supporting component comprises a supporting platform 201 connected to the frame in a sliding manner along the front-rear direction and a sliding piece 206 connected to the rear side of the supporting platform 201, the sliding piece 206 is slidingly arranged in the sliding slot 1011, a limiting groove 2061 is arranged on the sliding piece 206 along the front-rear direction, the limiting rod 103 is inserted into the limiting groove 2061, and when the sliding piece 206 slides to the most distal side away from the installation unit 1, the sliding piece 206 turns downwards around the limiting rod 103; the driving assembly is rotatably connected with the mounting unit 1, and the driving end of the driving assembly is rotatably connected with the supporting platform 201 and is used for driving the supporting platform 201 to slide along the front-back direction.

The slider 206 slides close to or coincides with the mounting unit 1 in the front-rear direction when the working vehicle is in normal use. When the power battery needs to be replaced, the sliding member 206 slides along the sliding groove 1011 to a side away from the mounting unit 1, and after the sliding member 206 slides to a designated position, the sliding member 206 turns downward until the limit lever 103 is hooked with the edge of the limit groove 2061. In this embodiment, the sliding member 206 is prevented from being separated from the mounting unit 1 by the hanging connection of the limit lever 103 and the edge of the limit groove 2061, so that the power battery is further detached by the hoisting unit 3. In the structural unit of the embodiment, the limit of the supporting platform 201 is realized through the limit rod 103 arranged in the sliding groove 1011 and the limit groove 2061 arranged on the sliding piece 206, and the limit structure is not required to be additionally arranged, so that the complex limit structure occupies excessive space of the frame, the normal use of the engineering vehicle is not influenced, and the light weight of the whole vehicle is realized.

Specifically, the stopper rod 103 is provided at a side of the mounting unit 1 near the support platform 201.

In some embodiments, referring to fig. 6, a side of the sliding member 206 near the mounting unit 1 has an arc-shaped abdication portion 2062, and the abdication portion 2062 is located at the top of the sliding member 206.

When the sliding member 206 turns downwards, the side of the limiting rod 103 away from the supporting platform 201 can rotate upwards, and the arc-shaped abdication part 2062 can avoid interference with other components during turning, so that materials can be saved, and the cost can be reduced.

Alternatively, the sliding groove 1011 may be formed in the side wall of the mounting unit 1 and communicate with the outside in the left-right direction, and even if the step-down portion 2062 is not provided, the sliding member 206 does not interfere with the mounting unit 1 when it is turned over, but other parts on the frame may be affected. The sliding groove 1011 may be opened in the middle of the mounting unit 1 in the left-right direction, that is, the left and right sides of the sliding groove 1011 may be closed, and the step-down part 2062 may not be provided and may not interfere with the mounting unit 1 when the sliding groove is turned over. In addition, the mounting unit 1 may be provided with a sliding groove 1011 along the front-rear direction, and the top and/or bottom of the sliding groove 1011 may be closed, and in this case, if the step-down portion 2062 is not provided, the slider 206 may interfere with the top of the mounting unit 1 when turning over.

Optionally, the mounting unit 1 is provided with a through sliding groove 1011 along the front-rear direction, the top and bottom of the sliding groove 1011 are closed, and a yielding groove is provided at the bottom of the mounting unit 1 on the side close to the replacing unit 2, and the yielding groove is communicated with the sliding groove 1011 to avoid interference with the bottom of the sliding groove 1011 when the sliding piece 206 is turned over.

In some embodiments, referring to fig. 1-6, the drive assembly includes a telescoping driver 202 and a fastener 203, the telescoping driver 202 being rotatably connected to the mounting unit 1; the fastening member 203 is connected to the support platform 201, the fastening member 203 extends in the left-right direction, and the telescopic end of the telescopic driver 202 is rotatably connected to the fastening member 203.

The fixed end of the telescopic actuator 202 is rotatably connected to the mounting unit 1, and when the support platform 201 needs to be controlled to slide in the front-rear direction, the telescopic actuator 202 is extended, thereby pushing the support platform 201 to slide. When the support platform 201 slides to the designated position, it is turned downward by gravity, and at this time, the driving assembly rotates around the fastener 203 and the mounting unit 1, respectively, so as to avoid interference with the turning of the support platform 201. In this embodiment, the supporting platform 201 is not required to be manually pushed to slide, the sliding of the supporting platform 201 is realized through the telescopic driver 202, the labor is saved, and the scheme in this embodiment avoids occupying too much space after the sliding piece 206 is reset relative to the driving mode of the screw rod.

Alternatively, the telescoping actuator 202 is a hydraulic telescoping member or a pneumatic telescoping member.

In some embodiments, referring to fig. 3, the replacement unit 2 further includes a locking assembly connected to the mounting unit 1 and the driving assembly, respectively, the locking assembly including a guide 205 and a locking member 204, the guide 205 being connected to the mounting unit 1, the guide 205 being disposed in a left-right direction; the locking piece 204 is provided with a locking groove 2041 along the front-rear direction, the guide piece 205 is inserted into the locking groove 2041, the locking piece 204 is also rotationally connected with the fastening piece 203, and when the supporting platform 201 is turned down to the lowest point, the guide piece 205 is hung with the outer edge of the locking groove 2041.

When the slider 206 slides in the front-rear direction, the lock 204 slides in synchronization with the slider 206, and the guide 205 is inserted into the lock groove 2041, thereby providing a guiding function with the sliding of the lock 204. When the slider 206 is turned down, the locking member 204 is turned around the guide member 205 in synchronization, and after the slider 206 is turned until the stopper rod 103 is engaged with the slide groove 1011, the edge of the locking groove 2041 abuts against the guide member 205, thereby defining the position of the slider 206. In this embodiment, the guide piece 205 abuts against the edge of the locking groove 2041, and the limit rod 103 is hung on the edge of the sliding groove 1011, so as to provide a hanging force for the power battery and the supporting platform 201 together, and improve the stability of the supporting platform 201 and the power battery at this time.

In some embodiments, referring to fig. 1 and 3, the hoisting unit 3 includes a hoisting driver 302 and a hoisting assembly, the hoisting driver 302 is rotatably connected to the mounting unit 1, and the hoisting driver 302 is a telescopic member; the hoisting assembly is rotatably connected to the mounting unit 1, and the hoisting assembly is also rotatably connected to the driving end of the hoisting driver 302, and the hoisting assembly is used for hoisting the power battery.

After the hoist assembly is connected with the vehicle-mounted power battery, the vehicle-mounted power battery is separated from the mounting unit 1 by extension and rotation of the hoist driver 302. The new power battery is then connected to the hoist assembly and is mounted to the mounting unit 1 by retraction of the hoist driver 302. In the embodiment, the power battery is not required to be manually carried, the original vehicle-mounted power battery is unloaded and the new power battery is mounted through the hoisting driver 302 and the hoisting assembly, and the labor capacity is reduced.

Alternatively, the hoist actuator 302 is a hydraulic or pneumatic jack.

In some embodiments, referring to fig. 1 and 3, the lifting assembly includes a lifting arm 301 rotatably connected to the mounting unit 1, a driving rod 303 is connected to a middle portion of the lifting arm 301, the driving rod 303 is rotatably connected to the lifting driver 302, one end of the lifting arm 301 is rotatably connected to the mounting unit 1, and the other end is used for being connected to a power battery.

One end of the hoisting arm 301 is connected with the mounting unit 1, the other end is connected with a power battery, and the hoisting driver 302 is connected with the hoisting arm 301 through a driving rod 303. In the hoisting process, the hoisting driver 302 stretches and rotates to control the hoisting arm 301, so that the hoisting arm 301 finishes the unloading or the installation of the power battery.

Optionally, a plurality of lifting arms 301 are provided, the driving rods 303 of each lifting arm 301 are connected to each other, and the control of the plurality of lifting arms 301 is achieved through the lifting driver 302.

Based on the same inventive concept, the utility model also provides an engineering vehicle. The engineering vehicle comprises the power exchanging device.

The engineering vehicle provided by the utility model adopts the power conversion device, and the power conversion device is directly arranged on the frame and moves along with the engineering vehicle. When the power battery needs to be replaced, the replacement unit 2 is slid in the front-rear direction to the side away from the mounting unit 1, and after the replacement unit 2 is slid to the most distal end, the replacement unit 2 is turned down, so that the power battery connected to the replacement unit 2 is turned down synchronously. After the replacement unit 2 is turned down to a designated position, the lifting unit 3 removes the vehicle-mounted power battery. Then, the hoist unit 3 hoists a new power battery to be connected with the replacement unit 2, and then the replacement unit 2 is rotated upward and slid in the front-rear direction to be reset. According to the utility model, the power battery is not required to be replaced by using external hoisting equipment, so that the power battery can be replaced more conveniently and rapidly in the field and other working sites, and the continuous cruising ability of the new energy engineering vehicle is ensured. Meanwhile, a special power exchange station is not required to be established, so that the power exchange cost is reduced, and the large-scale popularization of new energy engineering vehicles is facilitated.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The power conversion device is characterized by comprising:

The mounting unit is arranged on the frame;

2. The power exchanging apparatus according to claim 1, wherein the mounting unit comprises a plurality of fixing members spaced apart in a left-right direction, the plurality of fixing members are respectively connected to the frame, and the exchanging unit is slidably connected to the plurality of fixing members in a front-rear direction.

3. The power conversion device according to claim 2, wherein the mounting unit further comprises a connector connected to a plurality of the fixing members.

4. The power exchanging device according to claim 1, wherein the mounting unit is provided with a chute along a front-rear direction, a stopper rod is provided in the chute, an axis of the stopper rod is parallel to a left-right direction, and the exchanging unit comprises:

5. The power exchanging apparatus of claim 4 wherein a side of the slider adjacent to the mounting unit has an arcuate relief portion, the relief portion being located at a top of the slider.

6. The power conversion device of claim 4, wherein the drive assembly comprises:

the telescopic driver is rotationally connected with the mounting unit; and

7. The power conversion device according to claim 6, wherein the replacement unit further includes a locking assembly connected to the mounting unit and the driving assembly, respectively, the locking assembly including:

8. The power conversion device according to claim 1, wherein the hoisting unit comprises:

9. The power exchanging apparatus of claim 8 wherein the hoist assembly comprises a hoist arm rotatably coupled to the mounting unit, a drive rod coupled to a middle portion of the hoist arm, the drive rod rotatably coupled to the hoist driver, one end of the hoist arm rotatably coupled to the mounting unit, and the other end adapted to be coupled to a power battery.

10. A construction vehicle, characterized by having a power exchanging device according to any one of claims 1-9.