CN220904937U - Battery changing device and working machine - Google Patents

Abstract

The utility model relates to the technical field of mechanical equipment, and provides a power conversion device and a working machine. The battery replacement device comprises a battery carrying unit and a direction switching unit, wherein the battery carrying unit comprises a fork; the direction switching unit is connected with the pallet fork and used for switching the pallet fork between a driving direction and a carrying direction. In specific implementation, the direction switching unit can switch the fork between a running direction and a carrying direction, namely, the direction of the fork is not fixed, and the direction of the fork can be adjusted; through the structure setting for the fork has flexibility, can carry out the direction adjustment according to actual conditions, solves the too wide technical problem of trading electric installation among the prior art.

Description

Battery changing device and working machine

Technical Field

The utility model relates to the technical field of mechanical equipment, in particular to a power conversion device and a working machine.

Background

With the development of new energy industry, more and more heavy trucks and other working machines begin to adopt motor driving, and a battery is used for supplying power to the motor.

In the prior art, a power conversion device is generally used for converting power (batteries) of a working machine; the power exchanging device comprises a fork.

However, the length of the fork generally needs to reach 2.55 meters to meet the use requirement, and the fork is generally perpendicular to the running direction of the power conversion device, which may result in the power conversion device being too wide to meet the requirement of running on a road in the case that the power conversion device is mounted (connected) to a movable power conversion device (chassis of a working machine), that is, the power conversion device is too wide to be put on a road.

Disclosure of utility model

The utility model provides a power conversion device and an operation machine, which are used for solving the technical problem that the power conversion device is too wide in the prior art.

The utility model provides a power conversion device, comprising: the battery carrying unit comprises a fork, and the setting direction of the fork comprises a running direction and a carrying direction; and the direction switching unit is connected with the fork and used for switching the setting direction of the fork so that the setting direction of the fork is the running direction or the carrying direction.

According to one embodiment of the present utility model, the direction switching device further comprises a moving unit located at the bottom of the direction switching unit for moving the direction switching unit.

According to one embodiment of the present utility model, a mobile unit is mounted to a work machine; the fork is the horizontal state setting, and under the state that the setting direction of fork is the direction of travel, the setting direction of fork is on a parallel with the length direction of operation machinery, and under the state that the setting direction of fork is the direction of carrying electricity, the setting direction of fork is the contained angle setting with the length direction of operation machinery.

According to one embodiment of the present utility model, the direction switching unit includes a support frame and a rotation driving structure; the support frame, the rotation driving structure and the moving unit are sequentially arranged from top to bottom, and the support frame is connected with the moving unit through the rotation driving structure; the fork is connected with the supporting frame; the rotation driving structure is used for driving the support frame to rotate, and the rotating shaft of the rotation driving structure is vertically arranged.

According to one embodiment of the present utility model, a rotational drive structure includes a drive motor, a first gear, and a second gear; the driving motor is arranged at one end of the moving unit, facing the supporting frame, and is provided with an output shaft; the first gear is connected with an output shaft of the driving motor; the second gear is positioned at one end of the support frame facing the moving unit, is connected with the support frame and is meshed with the first gear.

According to one embodiment of the utility model, the fork is connected to the support frame by means of a lifting unit.

According to one embodiment of the utility model, the lifting unit comprises a drive structure and a lifting frame; the driving structure is connected with the supporting frame and used for driving the lifting frame to reciprocate linearly along the vertical direction; the fork is connected with the driving structure through the lifting frame.

According to one embodiment of the utility model, the support frame and the driving structure are arranged along the radial direction of the rotating shaft of the rotating driving structure, so that the gravity centers of the lifting unit and the support frame are positioned at the rotation center of the rotating driving structure.

According to one embodiment of the utility model, the battery handling unit further comprises: the winch is connected with the fork and provided with a steel wire rope; the battery lifting appliance is connected with the steel wire rope and can be driven by the winch to lift.

The present utility model also provides a work machine comprising: a chassis; the power exchanging device of the embodiment is positioned above the chassis and is connected with the chassis.

The power conversion device and the operation machine have the characteristics and advantages that:

The direction switching unit can switch the setting direction of the fork between the running direction and the carrying direction, that is, the setting direction of the fork is not fixed, the setting direction of the fork can be adjusted, for example, two setting directions of the fork can be adopted, one setting direction is the setting direction of the fork when the working machine runs on the road surface, and the other setting direction is the setting direction of the fork when the battery carrying unit carries the battery; in a specific application, if the power conversion device is installed (connected) to a movable power conversion device (a chassis of a working machine), if the vehicle needs to travel on a road, the direction switching unit can enable the fork to be arranged along the travel direction of the working machine so as to meet the travel requirement on the road; if the power of the working machine is required to be replaced, the direction of the fork can be switched through the direction switching unit, so that the fork is arranged along the carrying direction; through the structure setting for the fork has flexibility, can carry out the direction adjustment according to actual conditions, solves the too wide technical problem of trading electric installation among the prior art.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a side view of a power conversion device of the present utility model.

Fig. 2 is a front view of the power conversion device of the present utility model.

Fig. 3 is a perspective view of the power exchanging device of the present utility model.

Fig. 4 is another perspective view of the power conversion device of the present utility model.

Fig. 5 is a schematic view of a part of the structure of the power exchanging device of the present utility model.

Reference numerals:

100. a battery handling unit; 110. a fork; 120. a hoist; 130. a battery lifting appliance; 200. a direction switching unit; 210. a support frame; 220. a rotation driving structure; 221. a driving motor; 222. a first gear; 223. a second gear; 300. a mobile unit; 400. a lifting unit; 410. a driving structure; 420. a lifting frame; o, rotating a rotating shaft of a driving structure; s, setting direction of the fork; l, the length direction of the working machine.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present embodiment, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present embodiment and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present embodiment.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present embodiment, the meaning of "plurality" is at least two, for example, two, three, etc., unless explicitly defined otherwise.

In this embodiment, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present embodiment can be understood by those of ordinary skill in the art according to the specific circumstances.

In embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

Fig. 1 to 5 show a power exchanging device (or a fork 110 structure) and a working machine provided by the present utility model, and as can be seen from the drawings, the power exchanging device of the present utility model includes a battery handling unit 100 and a direction switching unit 200, the battery handling unit 100 includes a fork 110, and a setting direction S of the fork 110 includes a running direction and a power carrying direction; the direction switching unit 200 is connected to the fork 110, and is configured to switch the setting direction S of the fork 110 such that the setting direction S of the fork 110 is the traveling direction or the carrying direction.

In particular, the direction switching unit 200 can switch the setting direction S of the fork 110 between the driving direction and the carrying direction, that is, the setting direction S of the fork 110 is not fixed, the setting direction S of the fork 110 may be adjusted, for example, there may be two setting directions S of the fork 110, and one setting direction S is the setting direction of the fork 110 when the working machine is driving on the road, that is, the driving direction; the other setting direction S is the setting direction of the forks 110 of the battery carrying unit 100 when carrying the battery, that is, the carrying direction; in a specific application, in the case where the power conversion device is mounted (connected) to the movable power conversion apparatus (chassis of the working machine), if it is required to travel on a road, the forks 110 may be set by the direction switching unit 200 along the travel direction (the setting direction of the forks 110 when the working machine travels on the road), as shown in fig. 4, so as to satisfy the travel requirement on the road; if the carrying is required, the direction switching unit 200 may switch the setting direction of the fork 110, so that the fork 110 is set along the carrying direction (the setting direction of the fork 110 when the battery carrying unit 100 carries the battery), as shown in fig. 3, so as to facilitate carrying; through the above structure setting for fork 110 has flexibility, can carry out the direction adjustment according to the actual conditions, solves the too wide technical problem of power conversion device among the prior art.

In this embodiment, the power conversion device may be disposed on the chassis of the working machine through a structural platform for supporting the power conversion device, for example, the structural platform is disposed on the chassis of the working machine, the structural platform has a moving rail disposed along the length direction L of the working machine, and the power conversion device may be disposed on the moving rail; the number of stages of the forks 110 may be less than or equal to three; the forks 110 may be disposed horizontally, as shown in fig. 4, in a state in which the disposing direction S of the forks 110 is a traveling direction, the disposing direction S of the forks 110 is parallel to the length direction L of the working machine; as shown in fig. 3, in a state where the installation direction S of the fork 110 is the carrying direction, the installation direction S of the fork 110 is arranged at an angle (for example, ninety degrees) with respect to the longitudinal direction L of the work machine.

According to an embodiment of the present utility model, the power exchanging apparatus of the present utility model may further include a moving unit 300 (or may be called a cart), the moving unit 300 may be a conventional art, and the moving unit 300 is located at the bottom of the direction switching unit 200 and may be connected to the direction switching unit 200 for moving the direction switching unit 200.

In particular, since the direction switching unit 200 is connected to the fork 110, when the moving unit 300 drives the direction switching unit 200 to move, the fork 110 also moves along with the movement of the direction switching unit 200, and thus the moving unit 300 can drive the direction switching unit 200 and the fork 110 to move together. In addition, even if the parking posture is skewed, the direction of the fork 110 can be adjusted, so that the power can be exchanged normally.

According to an embodiment of the present utility model, the direction switching unit 200 may include a support frame 210 and a rotation driving structure 220; the support frame 210, the rotation driving structure 220 and the moving unit 300 are sequentially arranged from top to bottom and are sequentially connected; the fork 110 is connected to the support frame 210; the rotation driving structure 220 is used for driving the support frame 210 to rotate, and a rotation axis O of the rotation driving structure 220 is disposed in a vertical state.

In particular, the rotation driving structure 220 can drive the support frame 210 to rotate, and the rotation of the support frame 210 can drive the fork 110 to rotate, so that the fork 110 can be switched between the driving direction and the carrying direction.

In the present embodiment, the rotation driving structure 220 may include a driving motor 221, a first gear 222, and a second gear 223; the driving motor 221 is disposed at one end of the moving unit 300 facing the support frame 210, and the driving motor 221 has an output shaft; the first gear 222 is connected with an output shaft of the driving motor 221; the second gear 223 is located at an end of the support frame 210 facing the moving unit 300, is connected to the support frame 210, and is engaged with the first gear 222.

In particular, the driving motor 221 rotates to drive the first gear 222 to rotate, the first gear 222 rotates to drive the second gear 223 to rotate, the second gear 223 rotates to drive the support frame 210 to rotate, and the support frame 210 rotates to drive the fork 110 to rotate, so that the fork 110 is switched between the driving direction and the carrying direction.

According to an embodiment of the present utility model, the power exchanging apparatus of the present utility model may further include a lifting unit 400, and the fork 110 is connected to the support frame 210 through the lifting unit 400.

In particular, the lifting unit 400 can lift and lower the fork 110.

In the present embodiment, the elevating unit 400 includes a driving structure 410 and an elevating frame 420; the driving structure 410 is connected to the supporting frame 210, and is used for driving the lifting frame 420 to reciprocate along a vertical direction; the forks 110 are coupled to the drive structure 410 by a lift bracket 420.

In particular, the driving structure 410 can drive the lifting frame 420 to reciprocate in a straight line along a vertical direction, and the fork 110 is lifted by the lifting frame 420.

According to one embodiment of the utility model, the drive structure 410 may be a cylinder; in some embodiments, the lifting member may be other existing linear motion capable structures, such as a motor screw lifting structure.

According to one embodiment of the utility model, the battery handling unit 100 may further comprise a hoist 120 (or hoist drive structure 410) and a battery hoist 130; the hoist 120 is connected with the fork 110, and the hoist 120 is provided with a steel wire rope; the battery hanger 130 is connected with a steel wire rope, and the battery hanger 130 can be lifted and lowered under the driving of the winch 120.

According to an embodiment of the present utility model, the supporting frame 210 and the driving structure 410 are arranged along the radial direction of the rotation axis O of the rotation driving structure 220 such that the center of gravity of the lifting unit 400 and the supporting frame 210 is located at the center of rotation of the rotation driving structure 220.

In particular, through the above structure arrangement, the center of gravity of the lifting unit 400 and the supporting frame 210 can be located at the center of rotation of the rotation driving structure 220, so that the battery carrying unit 100 can rotate stably, and the battery replacing device can operate stably.

The utility model also provides a working machine which comprises a chassis and the power exchanging device in the embodiment, wherein the power exchanging device can be positioned above the chassis and connected with the chassis.

In particular, the direction switching unit 200 can switch the fork 110 between the driving direction and the carrying direction, that is, the direction of the fork 110 is not fixed, and the direction of the fork 110 can be adjusted; in a specific application, in the case that the power conversion device is mounted (connected) to the movable power conversion apparatus (chassis of the working machine), if it is required to travel on a road, the fork 110 may be set along the traveling direction by the direction switching unit 200 so as to meet the traveling requirement on the road; if the power of the working machine needs to be replaced, the direction of the fork 110 can be switched by the direction switching unit 200, so that the fork 110 is arranged along the carrying direction; through the above structure setting for fork 110 has flexibility, can carry out the direction adjustment according to the actual conditions, solves the too wide technical problem of power conversion device among the prior art.

In this embodiment, the power conversion device may be provided on the chassis of the working machine by a structural platform for supporting the power conversion device, for example, the structural platform is provided on the chassis of the working machine, the structural platform has a moving rail provided along the installation direction S (traveling direction) of the working machine, and the power conversion device may be provided on the moving rail; the number of stages of the forks 110 may be less than or equal to three.

In this embodiment, the power conversion device may be provided on the chassis of the working machine by a structural platform for supporting the power conversion device, for example, the structural platform is provided on the chassis of the working machine, the structural platform has a moving rail provided along the installation direction S (traveling direction) of the working machine, and the power conversion device may be provided on the moving rail; the direction switching unit 200 includes a driving motor 221, and an output shaft of the driving motor 221 is connected to the fork 110; the output shaft of the driving motor 221 may be disposed vertically.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "manner," "particular modes," or "some modes," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or mode is included in at least one embodiment or mode of the embodiments of the present utility model. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or manner. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or ways. Furthermore, various embodiments or modes and features of various embodiments or modes described in this specification can be combined and combined by those skilled in the art without mutual conflict.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model 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 scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. A power conversion apparatus, comprising:

A battery carrying unit (100) comprising a fork (110), wherein the setting direction (S) of the fork (110) comprises a running direction and a carrying direction;

And a direction switching unit (200) connected to the fork (110) for switching the setting direction (S) of the fork (110) so that the setting direction (S) of the fork (110) is the traveling direction or the carrying direction.

2. The power conversion device according to claim 1, further comprising a moving unit (300) located at a bottom of the direction switching unit (200) for moving the direction switching unit (200).

3. A power conversion device according to claim 2, wherein,

The mobile unit (300) is mounted to a work machine;

The fork (110) is horizontally arranged, the arrangement direction (S) of the fork (110) is parallel to the length direction (L) of the working machine in the state that the arrangement direction (S) of the fork (110) is the running direction, and the arrangement direction (S) of the fork (110) is arranged at an included angle with the length direction (L) of the working machine in the state that the arrangement direction (S) of the fork (110) is the carrying direction.

4. A power conversion device according to claim 2, wherein,

The direction switching unit (200) comprises a support frame (210) and a rotation driving structure (220);

The support frame (210), the rotation driving structure (220) and the moving unit (300) are sequentially arranged from top to bottom, and the support frame (210) is connected with the moving unit (300) through the rotation driving structure (220);

the fork (110) is connected to the support frame (210);

The rotation driving structure (220) is used for driving the support frame (210) to rotate, and a rotating shaft (O) of the rotation driving structure (220) is vertically arranged.

5. The power exchanging device according to claim 4, wherein the rotational driving structure (220) comprises a driving motor (221), a first gear (222) and a second gear (223);

The driving motor (221) is arranged at one end of the moving unit (300) facing the supporting frame (210), and the driving motor (221) is provided with an output shaft;

The first gear (222) is connected with an output shaft of the driving motor (221);

The second gear (223) is located at one end of the support frame (210) facing the moving unit (300), is connected to the support frame (210), and is meshed with the first gear (222).

6. The power exchanging device according to claim 4 or 5, further comprising a lifting unit (400), wherein the fork (110) is connected to the support frame (210) by means of the lifting unit (400).

7. The power exchanging device according to claim 6, wherein the lifting unit (400) comprises a driving structure (410) and a lifting frame (420);

the driving structure (410) is connected with the supporting frame (210) and is used for driving the lifting frame (420) to reciprocate in a straight line along the vertical direction;

the forks (110) are connected to the drive structure (410) via the lifting frame (420).

8. The power exchanging device according to claim 7, wherein,

The supporting frame (210) and the driving structure (410) are arranged along the radial direction of the rotating shaft (O) of the rotating driving structure (220), so that the gravity centers of the lifting unit (400) and the supporting frame (210) are positioned at the rotation center of the rotating driving structure (220).

9. The power conversion device according to any one of claims 1 to 5, wherein the battery handling unit (100) further comprises:

A hoist (120) connected to the fork (110), the hoist (120) having a wire rope;

And the battery lifting appliance (130) is connected with the steel wire rope, and the battery lifting appliance (130) can be driven by the winch (120) to lift.

10. A work machine, comprising:

A chassis;

A power conversion device according to any one of claims 1 to 9, located above the chassis and connected thereto.