CN220106758U - Battery bracket device for engineering machinery and engineering machinery - Google Patents

Abstract

The utility model relates to a battery holder device (1) for a construction machine, comprising: two vertical frames arranged oppositely; a plurality of support brackets (3) arranged between the two vertical frames (2) at intervals in the vertical direction and fixed to the two vertical frames, respectively, wherein the plurality of support brackets define a multi-layered battery storage space for accommodating the power battery pack; a plurality of first connection shields (4) arranged between the two vertical frames at intervals in the vertical direction and detachably fixed to the two vertical frames and detachably fixed to the plurality of support brackets at both sides of the plurality of support brackets, respectively; and shock absorbing mounting mechanisms (5) fixed to the two vertical frames, respectively, for fixing the battery holder device (1) to the frame of the construction machine. The battery support device can avoid the problem that the power battery pack is difficult to collide and protect, and solves the problem that the power battery pack occupies a large space on the whole machine and is difficult to install and arrange.

Description

Battery bracket device for engineering machinery and engineering machinery

Technical Field

The utility model relates to the technical field of battery supports of power battery packs, in particular to a compact battery support device for engineering machinery.

Background

Environmental pollution and oil shortage are the problems facing various countries around the world, and in recent years, most countries around the world are developing new energy-powered emerging industries, such as the automotive industry. At present, a series of new energy product technologies such as electric automobiles, electric buses and the like are mature, and engineering machinery using new energy is in the early development stage of rapid technical development.

At present, the power battery packs are directly hung on two sides of the main body of the engineering machine, but the power battery packs are protruded out of the main body and are easily impacted by objects falling from the outside or by buildings when passing through a certain type of buildings, so that the power battery packs are caused to malfunction or even be scrapped.

The power required by the engineering machinery is generally greatly higher than that required by the electric automobile, so that the engineering machinery has higher requirement on the installation space of the power battery pack, and the problem of difficult arrangement on the whole machine arrangement exists.

Disclosure of Invention

The present utility model is directed to solving at least one of the problems discussed above and/or other problems in the prior art.

To this end, the present utility model provides a battery holder device for a construction machine, the battery holder device comprising: two vertical frames arranged oppositely; a plurality of support brackets disposed between and fixed to the two vertical frames at intervals in a vertical direction, and defining a multi-layered battery storage space for accommodating a power battery pack; two sets of first connection shields arranged between the two vertical frames at intervals in a vertical direction and detachably fixed to the two vertical frames and to the respective support brackets on both sides of the plurality of support brackets not fixed to the vertical frames, respectively; and shock-absorbing mounting mechanisms respectively fixed to the two vertical frames for fixing the battery holder device to a frame of the construction machine.

According to one aspect of the utility model, each of the vertical frames includes an inner side surface facing the plurality of support brackets; an outer side opposite the inner side; and flange portions extending outward perpendicular to the outer side surface at both vertical edges of the vertical frame, wherein the outer side surface is provided with a plurality of lateral reinforcements and two vertical reinforcement beams extending along the height of the vertical frame.

According to a preferred embodiment of the present utility model, each support bracket may comprise: a plurality of beams extending in a first direction, wherein each beam has a first end and an opposite second end, wherein the first direction is perpendicular to a plane in which the vertical frame lies; at least one stringer extending in a second direction, the second direction being perpendicular to the first direction; a first connector fixedly connecting the first end of each of the cross beams to one of the two vertical frames; and a second connector fixedly connecting the second end of each of the cross beams to the other of the two vertical frames.

In one preferred aspect of the present utility model, the shock absorbing mounting mechanism may include a horizontal mounting plate having a plurality of mounting holes; two vertical connectors fixedly connected with the horizontal mounting plate; and a damper disposed within the mounting hole; wherein the shock absorbing mounting mechanism is fixedly mounted to the two vertical stiffening beams of the vertical frame via the two vertical connectors, and the battery support device is fixedly mounted to the corresponding position of the frame via the shock absorbing mounting mechanism and a fastener, such as a threaded fastener, capable of cooperating with the shock absorber.

According to a preferred aspect of the present utility model, the plurality of support brackets includes a top support bracket having a top fender fixedly mounted to each of the cross members and each of the stringers, a bottom support bracket, and at least three intermediate support brackets disposed between the top support bracket and the bottom support bracket.

In one aspect of the utility model, the support bracket has three of the cross beams equally spaced apart along the second direction and one of the stringers fixedly connected to each of the cross beams. The power cell pack is fixedly mounted to the cross members and the side members using threaded fasteners such as bolts.

In a preferred embodiment of the present utility model, each of the first coupling shields has a first coupling end, a second coupling end, and a shield main body located between the first coupling end and the second coupling end, each of the first coupling end and the second coupling end is provided with a first coupling hole, the shield main body is provided with a fourth coupling hole, the first coupling shield is detachably fixedly coupled to the vertical frame via the first coupling hole and the corresponding coupling hole located on the flange portion being engaged with the threaded fastener, and the first coupling shield is detachably fixedly coupled to the corresponding support bracket via the second coupling hole and the corresponding coupling hole located on the support bracket being engaged with the threaded fastener.

According to a preferred aspect of the present utility model, the battery holder device further includes a second connection guard having a third connection hole, the second connection guard extending in a vertical direction at an intermediate position of the first connection guard and being detachably and fixedly connected to each of the first connection guard by cooperation of the third connection hole and the second connection hole with a threaded fastener.

In a preferred embodiment, the one longitudinal beam extends past the middle position of each of the cross beams, both end portions of the longitudinal beam extend beyond the cross beams on both sides, and connection protrusions having fourth connection holes are provided at both end portions of the longitudinal beam, respectively, and the first connection guard is detachably fixedly connected to the longitudinal beam of the corresponding support bracket at its middle position through the cooperation of the second connection holes and the fourth connection holes with threaded fasteners.

The utility model also provides engineering machinery comprising the battery bracket device.

The battery bracket device provided by the utility model adopts the vertical frame, the plurality of supporting brackets and the plurality of connecting guard plates to form a multi-layer battery storage space for the power battery pack, so that the compact battery bracket device is provided, and the problems that the power battery pack occupies a large space on the whole machine and is difficult to install and arrange are solved. In addition, through setting up the connection backplate in the side of battery support device, set up crashproof backplate in top and bottom, can avoid power battery to receive the collision force from all around to overcome the power battery package and collided with the problem of protection difficulty. The detachable installation of the connecting guard plate is convenient for the assembly of the battery bracket device and the overhaul and maintenance of the battery pack.

Drawings

The features and advantages of the present utility model will be apparent from the detailed description provided hereinafter with reference to the accompanying drawings. It is to be understood that the following drawings are merely schematic and are not necessarily drawn to scale, and are not to be construed as limiting the utility model, in which:

fig. 1A is a perspective view of one embodiment of a battery cradle device according to the present utility model.

Fig. 1B is a schematic view of the battery holder device of fig. 1A with a power battery pack mounted thereto.

Fig. 2 is an exploded view of the battery holder apparatus shown in fig. 1A.

Fig. 3 is another exploded view of the battery holder apparatus shown in fig. 1A.

Fig. 4 is a further exploded view of the battery holder apparatus shown in fig. 1A.

Fig. 5 is a side view of the battery holder apparatus shown in fig. 1A.

Fig. 6 is a top view of the battery holder apparatus shown in fig. 1A.

Fig. 7 is an exploded view of the battery holder apparatus and the power battery pack shown in fig. 1B.

Fig. 8A and 8B are perspective views of different sides of a vertical frame according to the present utility model.

Detailed Description

Embodiments of the present utility model are described below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding and enabling description of the utility model to one skilled in the art. It will be apparent, however, to one skilled in the art that the present utility model may be practiced without some of these specific details. Furthermore, it should be understood that the utility model is not limited to specific described embodiments. Rather, any combination of the features and elements described below is contemplated to implement the utility model, whether or not they relate to different embodiments. Thus, the following aspects, features, embodiments and advantages are merely illustrative and should not be considered elements or limitations of the claims except where explicitly set out in a claim.

Terms such as "first," "second," and the like are used hereinafter to describe elements of the present utility model, and are merely used for distinguishing between the elements and not for limiting the nature, order, or number of such elements. The terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components other than the listed elements/components.

Fig. 1A shows a perspective view of one embodiment of a battery holder device 1 according to the utility model. Fig. 1B shows a schematic view of the power battery pack 10 mounted on the battery holder device 1. As can be seen from the figure, the battery holder device 1 includes two vertical frames (vertical frames) 2 disposed opposite to each other, a plurality of (horizontal) support brackets 3, a plurality of first connection shields 4, and a shock absorbing mounting mechanism 5. In this embodiment, the vertical frame 2 has a plate-like body (may be rectangular, for example), the vertical frame 2 has an inner side 21 and an outer side 22, and five support brackets 3 are arranged between the two vertical frames 2 at intervals in the vertical direction and fixedly connected to the inner sides 21 of the two vertical frames 2, respectively. Adjacent two support brackets 3 define with the vertical frame a receiving space for the power battery pack 10. The five support brackets 3 illustrated define four layers of battery storage space for the power battery pack 10. It should be understood that the number of support brackets is merely exemplary, and that other numbers of support brackets, such as six, may be provided as desired for forming five layers of battery storage space. The support brackets 3 may be equally spaced apart in the vertical direction, or may be spaced apart at different intervals. The battery bracket device with the structure can reduce the occupied space of the power battery pack and improve the occupied space of the power battery pack on the whole engineering machinery.

Referring to fig. 2, a set of a plurality of first coupling guard plates 4 are provided on both sides of the plurality of support brackets 3, i.e., both sides not fixedly coupled to the vertical frames 2, respectively, the set of a plurality of first coupling guard plates 4 located on each side being disposed between the two vertical frames 2 at intervals in the vertical direction (the height direction of the vertical frames) and detachably secured to the two vertical frames 2, respectively (e.g., at the vertical edges of the vertical frames), and the first coupling guard plates 4 are also detachably secured to the corresponding support brackets 3. In this embodiment, the five support brackets 3 include a top support bracket, a bottom support bracket, and three intermediate support brackets therebetween. For example, one first connection guard 4 is provided on each side of one support bracket 3, i.e. five support brackets 3 may be provided with a set of five first connection guards 4 on each side. However, depending on the specific structure of the frame of the construction machine to which the battery holder device 1 is to be mounted, the two support brackets 3 at the bottom may share one first connection guard 4, that is, in the embodiment shown in the drawings, one set of first connection guards includes four first connection guards 4, the structure of the first connection guard connected to the bottom support bracket and the intermediate support bracket adjacent thereto is different from that of the other three first connection guards 4 in that the connection guard at the bottom is large in width, and two openings are provided in the main body portion of the connection guard to facilitate observation of the inside of the battery holder device and heat dissipation of the battery. It should be understood that all of the first attachment panels of a set of first attachment panels 4 may be of the same size and shape and are also within the scope of the present utility model.

In a preferred embodiment, referring to fig. 3, 4, 8A and 8B, the vertical frame 2 is substantially rectangular, comprising an inner side 21 facing the support bracket 3 and an outer side 22 opposite to the outer side. A plurality of openings 200, for example, four, may be opened in the plate-shaped body of the vertical frame 2 in order to observe the inside of the battery holder device and the heat dissipation of the battery. Flange portions 23 extending outwardly perpendicular to the outer side surface 22 are provided at both vertical edges of the vertical frame 2, specifically, a rectangular plate-like body, and a plurality of connection holes 20 are provided on each flange portion. In addition, in order to improve the supporting strength of the vertical frame 2, a plurality of lateral reinforcement and two vertical reinforcement beams 221 are further provided on the outer side surface 22 of the vertical frame 2, the two vertical reinforcement beams 221 extending along substantially the entire height of the vertical frame, the plurality of lateral reinforcement including two lateral reinforcement beams 223 and two lateral reinforcement ribs 224 arranged between the vertical reinforcement beams 221 and the adjacent flange portions 23, and two intermediate lateral reinforcement beams 225 arranged between the two vertical reinforcement beams 221. It should be understood that the number of reinforcement beams and ribs described above are exemplary.

Referring again to fig. 3, the shock absorbing mounting mechanism 5 includes a horizontal mounting plate 51, two vertical connectors 52 fixedly connected to the horizontal mounting plate 51, and a shock absorber 53, wherein the horizontal mounting plate 51 has a plurality of mounting holes 50, shown as four mounting holes, and the shock absorber 53 is disposed in the mounting holes 50. In the exemplary embodiment shown in the figures, the damper 53 may be, for example, a damper block made of rubber material, which may be, for example, configured in a cylindrical shape, in the center of which a through hole is provided through which a fastener such as a fastening bolt can pass. It will be appreciated that other forms of shock absorber, such as a shock absorbing spring, may be selected. The shock absorbing mounting mechanism 5 is fixedly mounted to the vertical frame 2 by two vertical connectors 52 in cooperation with vertical stiffening beams 221 on the vertical frame 2. Specifically, the vertical connection 52 is provided with a connection hole, and the vertical reinforcement beam 221 is provided with a corresponding connection hole, so that the shock absorbing mounting mechanism 5 can be detachably and fixedly connected to the vertical frame 2 by using a screw fastener passing through the aligned connection hole. The battery holder device 1 is fixedly mounted to a corresponding position of a frame (not shown) of the construction machine via a shock absorbing mounting mechanism 5 and a fastener, such as a fastening bolt, capable of cooperating with a shock absorber. It should be understood that the shock absorbing mounting mechanism 5 may also be fixedly attached to the vertical frame 2 in other suitable manners, such as welding, as well as being within the scope of the present utility model. In addition, as can be seen from fig. 6, the shape of the horizontal mounting plates 51 of the shock absorbing mounting mechanisms 5 located at both sides of the battery mounting bracket 1 is slightly different, but it should be understood that the structures of the horizontal mounting plates 51 at both sides may be the same, depending on the specific structure of the frame of the construction machine to be mounted thereto.

Referring to fig. 2 and 7, one embodiment of a support bracket 3 according to the present utility model is shown. As can be seen from the figures, each support bracket 3 comprises three cross beams 31 extending in a first direction F1, one longitudinal beam 32 extending in a second direction F2, a first connection 33 and a second connection 34, wherein the first direction F1 is perpendicular to the second direction F2, which in the assembled state is also perpendicular to the plane in which the vertical frame 2 lies. For example, the three cross members 31 may be equally spaced apart in the second direction, and the stringers 32 are fixedly connected to intermediate positions of the three cross members 31. The number of cross members and side members is merely exemplary, and the number of cross members and side members, and the spacing between adjacent cross members, e.g., two, four, five, two, three, etc., may be adjusted depending on the size and weight of the power cell pack. Each cross beam 31 has a first end 311 and an opposite second end 312, and the first connector 33 fixedly connects the first ends 311 of the three cross beams 31 together and secures them to the inner side 21 of one of the vertical frames 2; the second connector 34 fixedly connects the second ends 312 of the three cross members 31 together and secures them to the inner side 21 of the other vertical frame 2. In order to provide a better support strength, an i-shaped support beam 35 is also provided between two adjacent support brackets 3. In one example, the first and second connectors 33, 34 are each configured in the form of an elongated bent plate having a first plate portion and a second plate portion perpendicular to the first plate portion, wherein the first plate portion of the first connector 33 fixedly connects the first ends 311 of the three cross beams 31 together, such as by threaded fasteners or by welding, and the second plate portion of the first connector is fixedly connected to the inner side of the vertical frame 2, such as by threaded fasteners or by welding, and likewise the first plate portion of the second connector 34 fixedly connects the second ends 312 of the three cross beams 31 together, such as by threaded fasteners or by welding, and the second plate portion of the second connector is fixedly connected to the inner side of the vertical frame 2.

As can be seen from fig. 7, the battery storage space defined by two adjacent support brackets 3 can accommodate, for example, two power battery packs 10. The power cell pack may be secured to the support bracket 3 by bolts.

Referring to fig. 1A and 3, advantageously, in order to withstand the impact from the upper or lower portion, enhancing the protection of the battery pack located therein, the support bracket 3 (i.e., top support bracket) located at the top of the battery cradle device 1 further includes a top impact shield 310 fixedly mounted to each cross member 31 and each longitudinal member 32. In addition, the support brackets (i.e., bottom support brackets) at the bottom of the battery rack apparatus 1 may also include bottom impact guards (not shown) fixedly mounted to each cross member 31 and each longitudinal member 32.

Referring to fig. 2 and 5, each first coupling shield 4 has a first coupling end 41, a second coupling end 42, and a shield body 40 between the first coupling end and the second coupling end, a first coupling hole 43 is provided at the first coupling end 41 and the second coupling end 42, and a second coupling hole 44 is provided at the shield body 40. In order to further enhance the protection capability against the power battery pack and improve the structural strength of the battery holder device 1, a second connection guard 6 having a third connection hole 60 is further provided, the second connection guard 6 extending in the vertical direction at a middle position of each first connection guard and being detachably fixedly connected to each first connection guard 4 by cooperation of the third connection hole and the second connection hole with a threaded fastener. Wherein the first connection guard 4 is detachably fixedly connected to the vertical frame 2 via the first connection holes 43 and the corresponding connection holes on the flange portion 23 being engaged with threaded fasteners, and the first connection guard 4 is detachably fixedly connected to the corresponding support bracket 3 via said second connection holes 44 and the corresponding connection holes on the support bracket 3 being engaged with threaded fasteners. Specifically, as described above, the side members 32 extend through the intermediate positions of the three cross members 31 and are fixedly connected to each cross member, both end portions of the side members 32 extend beyond the cross members 31 on both sides, and both end portions are respectively provided with the connection protrusions 320 having the fourth connection holes 330, and the first connection fence 4 is detachably fixedly connected to the side members 32 of the corresponding support brackets 3 at the intermediate positions thereof through the second connection holes 44 and the cooperation of the fourth connection holes 330 with the threaded fasteners.

Industrial applicability

The construction machine of the present utility model may be an excavator, a bulldozer or a road roller, and is particularly suitable for various construction machines requiring power battery packs for driving, the battery support device for mounting a plurality of power battery packs is shown in fig. 1A, the power battery packs 10 may be disposed in battery storage spaces formed by adjacent horizontal support brackets 3 (see fig. 1B), the battery support device having a plurality of battery storage spaces disposed at intervals in the vertical direction may be provided for arranging a plurality of power battery packs, for example, four or five layers of power battery packs may be disposed, which solves the problem that the power battery packs occupy a large space on the whole machine and are difficult to be mounted and disposed.

In addition, by providing the first and second connection shields 4 and 6 on the side surfaces of the plurality of support brackets 3, providing the collision preventing structure, such as the top collision preventing shield 310, on the support bracket 3 located at the top of the battery holder apparatus 1, and optionally, providing the collision preventing structure, such as the bottom collision preventing shield, on the support bracket 3 located at the bottom of the battery holder apparatus 1, it is possible to prevent the power battery pack from being collided from the side surfaces and up and down, improving the safety of the power battery pack during use.

Furthermore, the battery bracket device 1 is fixedly arranged on the frame of the engineering machinery through the damping type mounting mechanism 5, so that the vibration influence of vibration generated in the form of the engineering machinery or the operation process on the power battery pack can be reduced, and the power battery pack is prevented from being knocked.

Also, the first and second connection shields 4 and 6 can facilitate the installation of the power battery pack and can provide convenience for the maintenance and repair of the power battery pack by being detachably fixed to the vertical frame 2 and the support bracket 3, particularly, by detachably fixedly connecting the support bracket 3 to the vertical frame 2.

In addition, a plurality of structural reinforcements are provided on the outer side surface of the vertical frame 2, not only can the supporting strength of the vertical frame be improved, but also the anti-collision capability of the battery bracket device 1 can be improved.

It should be understood that the compact battery holder device according to the present utility model is applicable not only to construction machines but also to other mechanical devices, and is covered by the scope of the present utility model.

It will be apparent to those skilled in the art that various modifications and variations can be made to the embodiments disclosed above without departing from the scope or spirit of the utility model. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the utility model disclosed herein. It is intended that the specification and examples disclosed herein be considered as exemplary only, with a true scope of the utility model being indicated by the following claims and their equivalents.

Claims (10)

1. A battery holder device for a construction machine, characterized in that the battery holder device (1) comprises:

two vertical frames (2) arranged opposite to each other;

a plurality of support brackets (3) arranged between and fixed to the two vertical frames (2) at intervals in the vertical direction, and defining a multi-layered battery storage space for accommodating a power battery pack (10);

two sets of first connection guards (4) arranged between the two vertical frames at intervals in the vertical direction and detachably fixed to the two vertical frames and to the respective support brackets on both sides of the plurality of support brackets (3), respectively; and

and shock-absorbing mounting mechanisms (5) respectively fixed to the two vertical frames (2) for fixing the battery holder device (1) to a frame of the construction machine.

2. The battery holder device according to claim 1, wherein each of the vertical frames (2) comprises:

an inner side surface (21) facing the plurality of support brackets (3);

an outer side surface (22) opposite to the inner side surface; and

flange portions (23) extending outwardly perpendicular to the outer side face (22) at both vertical edges of the vertical frame (2),

wherein the outer side (22) is provided with a plurality of transverse stiffeners and two vertical stiffening beams (221) extending along the height of the vertical frame.

3. Battery cradle device according to claim 2, characterized in that each of said support brackets (3) comprises:

-a plurality of cross beams (31) extending in a first direction (F1), wherein each of said cross beams has a first end (311) and an opposite second end (312), wherein the first direction is perpendicular to a plane in which said vertical frame (2) lies;

at least one stringer (32) extending in a second direction (F2) perpendicular to the first direction (F1);

-a first connection (33) fixedly connecting the first end (311) of each of said cross beams to one of said two vertical frames (2); and

-fixedly connecting the second end (312) of each of said cross beams to a second connection (34) of the other of said two vertical frames (2).

4. The battery holder device according to claim 2, wherein the shock absorbing mounting mechanism (5) comprises:

a horizontal mounting plate (51) having a plurality of mounting holes (50);

two vertical connectors (52) fixedly connected with the horizontal mounting plate; and

a damper (53) disposed within the mounting hole;

wherein the shock absorbing mounting mechanism (5) is fixedly mounted to the two vertical stiffening beams (221) of the vertical frame via the two vertical connectors (52), and the battery support device (1) is fixedly mounted to the corresponding position of the frame via the shock absorbing mounting mechanism (5) and a fastener cooperating with the shock absorber.

5. The battery support device according to any one of claims 1 to 4, wherein the plurality of support brackets (3) comprises a top support bracket, a bottom support bracket, and at least three intermediate support brackets arranged between the top support bracket and the bottom support bracket, the top support bracket having top impact guards (310) fixedly mounted to each of the cross beams and each of the stringers.

6. A battery cradle device according to claim 3, wherein the support bracket (3) has three said cross beams (31) equally spaced along the second direction and one said longitudinal beam (32) fixedly connected to each said cross beam, the power battery pack (10) being fixedly mounted to the cross beams and the longitudinal beams with threaded fasteners.

7. The battery holder device according to claim 6, wherein each of the first connection shields (4) has a first connection end (41), a second connection end (42), and a shield main body (40) located between the first connection end and the second connection end, each of the first connection end and the second connection end being provided with a first connection hole (43), the shield main body (40) being provided with a second connection hole (44), the first connection shields being detachably fixedly connected to the vertical frame (2) via the first connection holes and the corresponding connection holes located on the flange portion (23) being engaged with threaded fasteners, and the first connection shields (4) being detachably fixedly connected to the corresponding support brackets (3) via the second connection holes and the corresponding connection holes on the support brackets being engaged with threaded fasteners.

8. The battery holder apparatus according to claim 7, further comprising a second connection guard plate (6) having a third connection hole (60), the second connection guard plate extending in a vertical direction at an intermediate position of the first connection guard plate and being detachably fixedly connected to each of the first connection guard plates (4) by cooperation of the third connection hole and the second connection hole with a threaded fastener.

9. The battery holder device according to claim 8, characterized in that the longitudinal beams (32) extend past the middle position of each of the cross beams (31), both end portions of which extend beyond the cross beams on both sides, and at both end portions of which connection protrusions (320) having fourth connection holes (330) are provided, respectively, and the first connection guard (4) is detachably fixedly connected to the longitudinal beam of the corresponding support bracket at its middle position through the cooperation of the second connection holes and the fourth connection holes with threaded fasteners.

10. A construction machine comprising the battery holder device according to any one of claims 1 to 9.