CN214706114U

CN214706114U - Battery pack mounting assembly and electric engineering machinery

Info

Publication number: CN214706114U
Application number: CN202120374518.7U
Authority: CN
Inventors: 罗情; 罗庆玉; 张强; 吴韦林; 李建华; 农棉庚
Original assignee: Guangxi Liugong Machinery Co Ltd
Current assignee: Guangxi Liugong Machinery Co Ltd
Priority date: 2021-02-18
Filing date: 2021-02-18
Publication date: 2021-11-12
Anticipated expiration: 2031-02-18

Abstract

The utility model relates to an electric engineering machine, in order to solve the problems of weak anti-seismic performance and inconvenient installation of the existing battery pack installation, the utility model constructs a battery pack installation assembly and an electric engineering machine, wherein the battery pack installation assembly comprises a battery pack, and is characterized by also comprising an installation frame and a plurality of suspension plates; the mounting frame is positioned at the upper part of the battery pack; the suspension plates are arranged on two opposite sides of the battery pack, the lower ends of the suspension plates are used for being fixedly connected with the bottom of the battery pack, and the upper portions of the suspension plates are fixedly connected with the mounting frame. The utility model discloses in, the battery package adopts and hangs the board and install, and it can realize the ascending buffering of horizontal side, improves its anti-seismic performance, and the mounted position of battery package installation assembly is located the mounting bracket simultaneously, and it is located the upper portion of battery package, and the interference that receives is few, and operating space is big, easy to assemble.

Description

Battery pack mounting assembly and electric engineering machinery

Technical Field

The utility model relates to an electrical engineering machine tool, more specifically say, relate to a battery package installation assembly and electrical engineering machine tool.

Background

Compared with the engineering machinery using fuel oil as power, the electric engineering machinery has many advantages in aspects of operation and control, energy consumption and the like, so that the electric engineering machinery is increasingly widely applied. The power of the electric engineering machine comes from the recorded power battery.

At present, most of battery packs of electric engineering machinery are mounted by packaging batteries on supporting plates, and then the supporting plates are fixed on corresponding mounting plates through a plurality of bolts or the battery packs are directly fixed on the surfaces of the mounting plates through a plurality of bolts. The battery pack is simple in mounting structure, strong in adaptability and widely applied to the electric loader.

Above-mentioned battery package mounting structure is rigid connection, lacks corresponding buffering, and the vibrations that the vehicle travel in-process produced cause destruction to battery package inside easily, will influence the stability and the validity of battery package electric quantity. In addition, in the installation mode, no matter the battery pack is installed on the installation plate through the supporting plate or the battery pack is directly installed on the installation plate, the installation bolt is positioned at the bottom of the battery pack, and due to interference of the battery pack, a lot of inconvenience exists when the battery pack is installed on engineering machinery.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that current battery package installation anti-seismic performance is weak, the inconvenient problem of installation, and provides a battery package installation assembly and electrical engineering machinery to improve battery package's shock resistance and installation convenience.

The utility model discloses a realize that the technical scheme of its purpose is like: the battery pack installation assembly comprises a battery pack, and is characterized by also comprising an installation frame and a plurality of suspension plates; the mounting frame is positioned at the upper part of the battery pack; the suspension plates are arranged on two opposite sides of the battery pack, the lower ends of the suspension plates are used for being fixedly connected with the bottom of the battery pack, and the upper portions of the suspension plates are fixedly connected with the mounting frame. The utility model discloses in, the battery package adopts and hangs the board and install, and it can realize the ascending buffering of horizontal side, improves its anti-seismic performance, and the mounted position of battery package installation assembly is located the mounting bracket simultaneously, and it is located the upper portion of battery package, and the interference that receives is few, and operating space is big, easy to assemble.

The battery pack mounting assembly further comprises a supporting plate, the bottom of the battery pack is fixed on the supporting plate, and the supporting plate is fixedly connected with the lower end of the suspension plate. The supporting plate is the preferred option, and battery package also can be through the mounting panel of its bottom with the lower extreme direct fixed connection of hang the board.

In the above battery pack mounting assembly, the lower end of the suspension plate has a bottom end connection portion bent horizontally toward the battery pack and used for connecting with a corresponding component, for example, fixedly connected with the supporting plate, or directly fixedly connected with the bottom of the battery pack.

In the battery pack mounting assembly, the upper part of the suspension plate is provided with an upper end connecting part which is bent to the horizontal direction towards the battery pack direction and is used for being connected with the mounting frame. The upper end or the lower end or the upper end and the lower end of the suspension plate are bent towards the battery pack and are bent into a horizontal shape, so that the suspension plate is L-shaped or U-shaped, the elastic buffer of the suspension plate in the vertical direction can be enhanced, and the anti-seismic performance of the battery pack assembly is improved. The suspension plate can also be a straight plate, the main function of the suspension plate is to buffer transverse impact vibration, the vertical vibration buffer of the battery pack can be buffered through other ways, for example, when the battery pack mounting assembly is mounted on an electric engineering machinery frame, a shock absorber is arranged between the mounting frame and a battery mounting frame on the frame, and the shock absorption in the vertical direction is carried out.

In the battery pack mounting assembly, at least one of the upper end connecting part and the bottom end connecting part is provided with a damper and is connected with a corresponding component through the damper. Further, the bumper shock absorber is located the mounting bracket upside, upper end connecting portion are located the bumper shock absorber upside.

In the battery pack installation assembly, the installation frame comprises a rectangular installation frame sleeved on the outer side of the upper portion of the battery pack, and the upper end connecting portion of the suspension plate is connected to the rectangular installation frame.

In the battery pack mounting assembly, the mounting frame further comprises a plurality of connecting cross rods, the connecting cross rods are located above the battery pack, and two ends of the connecting cross rods are bent downwards and fixedly connected with the rectangular mounting frame.

In the battery pack mounting assembly, the rectangular mounting frame is composed of a steel plate with a rectangular hollow middle part, reinforcing ribs vertical to the steel plate are welded on the upper side face of the rectangular mounting frame, and lifting holes are formed in the reinforcing ribs. The arrangement of the connecting cross rod and the reinforcing ribs can enhance the strength of the mounting frame and avoid deformation.

The utility model discloses a realize that the technical scheme of its purpose is like: the electric engineering machine is characterized by comprising a plurality of battery pack installation assemblies, wherein an installation hole matched with a bolt is formed in an installation frame of each battery pack installation assembly, and the battery pack installation assemblies are fixed on a frame of the electric engineering machine through the bolt.

Compared with the prior art, the utility model discloses well battery package adopts the suspension type installation, has fine buffering anti-seismic performance, has improved the guard action to the battery package, and when every battery package installation assembly was installed on the frame simultaneously, the installation position was located the upper portion of battery package assembly, and it is few to interfere, and operating space is big, easy to assemble.

Drawings

Fig. 1 is a schematic structural view of a battery pack mounting assembly according to the present invention.

Fig. 2 is an exploded schematic view of the battery pack mounting assembly of the present invention.

Fig. 3 is a schematic diagram of the battery pack mounting assembly of the present invention mounted on a frame of a loader.

Part names and serial numbers in the figure:

the battery pack mounting structure comprises a battery pack 10, a mounting frame 20, a rectangular mounting frame 21, a connecting cross rod 22, reinforcing ribs 23, lifting holes 24, a shock absorber 25, connecting bolt components 26, mounting bolt components 27, a suspension plate 30, an upper end connecting part 32, a bottom end connecting part 31, a supporting plate 40, connecting bolt components 41, a frame 50, a battery mounting frame 51 and a battery pack mounting assembly 60.

Detailed Description

The following description of the embodiments refers to the accompanying drawings.

In the description of the present embodiment, it should be noted that when an element is referred to as being "fixed, or connected to" another element, it can be directly fixed, or connected to the other element, or indirectly fixed, or connected to the other element through other intermediate connecting members.

As shown in fig. 1 and 2, the battery pack mounting assembly in this embodiment includes a battery pack 10, a mounting bracket 20, a plurality of suspension plates 30, and a support plate 40.

The upper portion of each suspension plate 30 is provided with an upper end connecting portion 32 bent towards the battery pack direction, the lower end of each suspension plate 30 is provided with a bottom end connecting portion 31 bent towards the battery pack direction, after the suspension plates 30 are installed, a main body between the upper end connecting portion 32 and the bottom end connecting portion 31 is vertically suspended, the upper end connecting portion 32 and the bottom end connecting portion 31 are horizontal, and the whole suspension plate is U-shaped. Through holes are formed in the upper end connecting portion 32 and the bottom end connecting portion 31, and are used for being matched with fasteners to achieve connection with corresponding components.

The mounting frame 20 is mainly composed of a rectangular mounting frame 21, a plurality of connecting cross bars 22 and a plurality of reinforcing ribs 23. The rectangular mounting frame 21 is formed by a steel plate with a rectangular hollow middle part, and the reinforcing ribs 23 are welded on the upper side surface of the rectangular mounting frame and are perpendicular to the steel plate 23. The connecting cross rod 22 is positioned above the battery pack, and two ends of the connecting cross rod are bent downwards and welded with the rectangular mounting frame 21. The reinforcing ribs 23 and the connecting rails 22 serve to reinforce the strength of the rectangular mounting frame 21 and prevent the rectangular mounting frame 21 from bending and deforming downward due to a load after the battery pack 10 is mounted. In order to facilitate the transportation and lifting of the battery pack assembly, lifting holes 24 are formed in the reinforcing ribs 23.

The battery pack 10 is mounted on the mounting frame 20 by hanging the suspension plate 30. The hanging plates 30 are disposed on two opposite sides of the battery pack 10, and the number of hanging plates 30 disposed on each side is generally between two and four depending on the size and weight of the battery pack.

The battery pack 10 is positioned on the tray 40 with the mounting plate at the bottom thereof seated on the upper side of the tray 40. The bottom end connecting portion 31 of the hanging plate 30 is positioned under the support plate 40, and the bottom end connecting portion 31 of the hanging plate 30, the support plate 40 and the mounting plate at the bottom of the battery pack 10 are fixedly connected together by a fixing bolt assembly 41 composed of a bolt and a nut.

The rectangular mounting frame 21 is sleeved on the outer side of the upper portion of the battery pack 10, the upper end connecting portion 32 of the suspension plate 30 is connected with the rectangular mounting frame 21 through the shock absorber 25, the shock absorber 25 is located on the upper side of the rectangular mounting frame 21, the upper end connecting portion 32 of the suspension plate 30 is located on the upper side of the shock absorber 25, and the upper end connecting portion 32 and the shock absorber 25 are fixedly connected with the rectangular mounting frame 21 through a connecting bolt assembly 26 composed of a bolt and a gasket.

Fig. 3 shows a battery pack mounting structure of an electric working machine. The electric construction machine is an electric loader, and the battery pack is mounted on a rear frame 50 thereof. A battery mounting frame 51 is provided on the rear frame 50, mounting holes are provided at four corners of the rectangular mounting frame 21, and the battery pack mounting assembly 60 is fixedly mounted on the battery mounting frame 51 by mounting bolt assemblies 27 composed of bolts and nuts.

In this embodiment, the battery pack 10 is suspended and mounted by the suspension plate 30 and the damper 25, so that vibration buffering in the transverse direction and the vertical direction can be realized, and the anti-vibration performance is improved. Meanwhile, the mounting connection point of the battery pack mounting assembly 60 and the battery mounting frame 51 is arranged on the rectangular mounting frame 21, and the mounting connection point is positioned on the upper part of the battery pack 10, so that the interference is less, the operation space is large, and the mounting is convenient.

Claims

1. A battery pack installation assembly comprises a battery pack, and is characterized by also comprising an installation frame and a plurality of suspension plates; the mounting frame is positioned at the upper part of the battery pack; the suspension plates are arranged on two opposite sides of the battery pack, the lower ends of the suspension plates are used for being fixedly connected with the bottom of the battery pack, and the upper portions of the suspension plates are fixedly connected with the mounting frame.

2. The battery pack mounting assembly of claim 1, further comprising a support plate, wherein the bottom of the battery pack is fixed to the support plate, and the support plate is fixedly connected to the lower end of the suspension plate.

3. The battery pack mounting assembly according to claim 1 or 2, wherein the lower end of the suspension plate has a bottom end connection portion bent in a horizontal direction toward the battery pack for connection with a corresponding member.

4. The battery pack mounting assembly of claim 3, wherein the upper portion of the hanging plate has an upper end connecting portion bent in a horizontal direction toward the battery pack for connection to the mounting bracket.

5. The battery pack mounting assembly of claim 4, wherein at least one of the upper end connecting portion and the bottom end connecting portion is provided with a damper and is connected to the corresponding member through the damper.

6. The battery pack mounting assembly of claim 5, wherein the damper is located on the mounting bracket upper side, and the upper end connecting portion is located on the damper upper side.

7. The battery pack mounting assembly according to any one of claims 4 to 6, wherein the mounting bracket comprises a rectangular mounting frame sleeved on the outer side of the upper portion of the battery pack, and the upper end connecting portion of the suspension plate is connected to the rectangular mounting frame.

8. The battery pack mounting assembly of claim 7, wherein the mounting bracket further comprises a plurality of connecting rails, the connecting rails are located above the battery pack, and both ends of the connecting rails are bent downward to be fixedly connected with the rectangular mounting frame.

9. The battery pack mounting assembly according to claim 7, wherein the rectangular mounting frame is formed by a steel plate with a rectangular hollow-out middle part, a reinforcing rib perpendicular to the steel plate is welded on the upper side surface of the rectangular mounting frame, and lifting holes are formed in the reinforcing rib.

10. An electric engineering machine, characterized by comprising a plurality of battery pack mounting assemblies according to any one of claims 1 to 9, wherein a mounting frame of each battery pack mounting assembly is provided with a mounting hole matched with a bolt and is fixed on a frame of the electric engineering machine through the bolt.