CN216616035U

CN216616035U - Counter weight for loader and electric loader

Info

Publication number: CN216616035U
Application number: CN202122655923.9U
Authority: CN
Inventors: 陆其东; 黄胤真; 谭艳辉; 程顺; 韦建明; 王祎飞
Original assignee: Guangxi Liugong Machinery Co Ltd
Current assignee: Guangxi Liugong Machinery Co Ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-05-27
Anticipated expiration: 2031-11-02

Abstract

The utility model relates to a counterweight, and aims to solve the problem that the operation duration of the conventional electric loader is not ideal. In the utility model, a battery pack mounting cavity is arranged in the counterweight and is used for mounting a power battery pack. This counter weight is installed on the loader, has increased the installation space of power battery package, makes the loader can install more power battery package, increases the accumulate capacity, makes loader duration extension, utilizes the weight of power battery package as the counter weight of loader simultaneously, and counter weight reduction under the condition of equal balanced effect to the loader practices thrift the cost.

Description

Counter weight for loader and electric loader

Technical Field

The present invention relates to a counterweight, and more particularly, to a counterweight for a loader and an electric loader.

Background

The existing loader with a fuel engine is usually made of cast iron or concrete cast in an iron shell, and the main function of the existing loader with the fuel engine is to increase the weight of the rear part of the loader so as to balance the front part and the rear part of the loader during operation.

With the development of electric drive technology and electric storage technology, electric loaders using a power battery pack as a power source are becoming increasingly common. Under the condition that the electric quantity stored by a single power battery pack is constant, the duration of the electric loader is directly influenced by the number of the battery packs mounted on the loader. However, the space on the loader is limited, and the number of power battery packs mounted thereon is limited, so that the operation duration of the electric loader is not very long.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the operation endurance time of an electric loader is not ideal, and provides a counter weight for a loader and the electric loader, which increase the installation space of a power battery pack installation package so as to increase the installation number of power battery packs and improve the operation endurance time of the power battery pack installation package.

The technical scheme for realizing the purpose of the utility model is as follows: the utility model provides a counter weight for loader for the electric loader, the counter weight includes the skeleton, its characterized in that the skeleton is used for through bolt and loader solebar rear end face fixed connection's mounting panel including being located the counter weight front side, is provided with the uncovered square battery package installation cavity that is used for holding at least one power battery package in upper portion on the counter weight, the preceding curb plate of battery package installation cavity by the mounting panel constitutes. In the utility model, a battery pack mounting cavity is arranged in the counterweight and is used for mounting a power battery pack. This counter weight is installed on the loader, has increased the installation space of power battery package, makes the loader can install more power battery package, increases the accumulate capacity, makes loader duration extension, utilizes the weight of power battery package as the counter weight of loader simultaneously, and counter weight reduction under the condition of equal balanced effect to the loader practices thrift the cost.

The upper edge of the mounting plate is provided with a plurality of hooks which are used for being connected with the upper edge of a tail plate of the frame of the loader in a hanging manner; the hooks are arranged along the upper edge of the mounting plate at intervals, the hook handles are welded on the rear side of the upper edge of the mounting plate, and the hook parts face downwards. The edge hook is connected with the tail plate of the frame of the loader, so that the reliability and the connection strength of the connection between the balance weight and the frame are enhanced.

The hook part of each hook is provided with a threaded hole which is through from front to back, and a locking bolt used for tightly jacking a tail plate of a frame of the loader is installed in the threaded hole. After the hook is connected with the tail plate of the frame of the loader, the hook and the tail plate are fixed through the locking bolt to prevent loosening.

Above-mentioned counter weight for loader, the skeleton still include the front end with left branch fagging and right branch fagging of mounting panel looks welded, left branch fagging and right branch fagging constitute respectively the left side wallboard and the right side wallboard of battery package installation cavity.

The counterweight for the loader further comprises a counterweight block, the front side face of the counterweight block is fixedly connected with the rear ends of the left side wall plate and the right side wall plate, and the rear side wall plate of the battery pack mounting cavity is formed by the counterweight block.

The frame further comprises a bottom plate, the bottom plate is welded with the mounting plate and the bottom edges of the left support plate and the right support plate, and a battery pack mounting base plate is fixedly mounted at the bottom of the battery pack mounting cavity.

The outer sides of the left side wall plate and the right side wall plate are both provided with a box-shaped structure,

the counterweight for the loader comprises a bottom plate, wherein the left end and the right end of the bottom plate extend to the outer side of a supporting plate, the box-type structure comprises a coaming and a cover plate, the front end of the coaming is bent inwards and is welded with the end part of the mounting plate, the bottom of the coaming is welded with the bottom plate, and the rear end of the coaming is connected with the counterweight.

The counterweight block is a cast iron counterweight or is composed of a shell formed by welding iron plates and concrete filled in the shell.

The technical scheme for realizing the purpose of the utility model is as follows: the electric loader is characterized by further comprising the balance weight for the loader, a mounting plate of the balance weight is fixedly connected with the rear end of a longitudinal beam of a rear frame of the loader through a bolt, and at least one power battery pack is mounted in a battery pack mounting cavity of the balance weight.

Compared with the prior art, the power battery pack can be installed in the balance weight of the electric loader, the endurance time of the loader is prolonged, the weight of the power battery pack is used as the balance weight of the loader, the weight of the balance weight is reduced, and the cost is saved.

Drawings

Fig. 1 is a schematic view of the structure of the electric loader of the present invention.

Fig. 2 is a schematic structural view of a counterweight for a loader according to the present invention.

Fig. 3 is a schematic structural view of a hook in a counterweight for a loader according to the present invention.

Fig. 4 is a schematic structural diagram of a power battery pack mounted in a counterweight for the loader according to the present invention.

Part names and serial numbers in the figure:

the electric loader comprises an electric loader 10, a counterweight 20, a mounting plate 21, a battery pack mounting cavity 22, a left support plate 23, a balancing weight 24, a bottom plate 25, a battery pack mounting base plate 26, a bolt 27, a hook 30, a hook handle 31, a hook part 32, a locking bolt 33, a box-shaped structure 40, a coaming 41, a cover plate 42 and a power battery pack 50.

Detailed Description

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

As shown in fig. 2, the counterweight in the present embodiment is a counterweight for a loader, and is intended to be mounted on an electric loader. The counterweight comprises a framework, and the framework comprises a mounting plate 21, a left support plate 23, a right support plate (not shown), a balancing weight 24, a bottom plate 25, a coaming 41, a cover plate 42 and the like.

The mounting plate 21 is located on the front side of the counterweight 20, and the mounting plate 21 is provided with a mounting hole in which a bolt 27 can be mounted to realize the fixed connection with the rear end face of the loader frame longitudinal beam.

The left support plate 23 and the right support plate are located on the rear side of the mounting plate 21, and are arranged in parallel left and right. The front ends of the left support plate 23 and the right support plate are welded to the rear side of the mounting plate 21. The rear ends of the left support plate 23 and the right support plate are fixedly connected with the front side surface of the balancing weight 24.

The bottom plate 25 is located at the bottom of the counterweight and is fixedly connected with the lower edges of the mounting plate 21, the left support plate 23 and the right support plate, and the mounting plate 21, the left support plate 23, the right support plate and the counterweight block 24 enclose a battery pack mounting cavity 22 in which at least one power battery pack can be mounted. The upper portion of battery package installation cavity 22 is uncovered, and four lateral walls comprise left and right backup pad, mounting panel and balancing weight respectively, and the bottom surface wallboard comprises the bottom plate of counter weight skeleton. A battery pack mounting base plate 26 is fixedly mounted at the bottom of the battery pack mounting cavity 22 and is used for fixedly mounting a power battery pack.

As shown in fig. 2 and 3, the upper edge of the mounting plate 21 is provided with a plurality of hooks 30; the hooks 30 are arranged at intervals along the upper edge of the mounting plate, the hook handles 31 are welded on the rear side of the upper edge of the mounting plate 21, the hook portions 32 face downwards, the hook portions 32 are provided with threaded holes which are through from front to back, and locking bolts 33 used for tightly jacking a tail plate of a frame of the loader are installed in the threaded holes. The hook 30 is used for being connected with a tail plate of a frame of the loader, and the reliability and the connection strength of connection between the balance weight and the frame are enhanced. After the hook is connected with the tail plate of the frame of the loader, the hook and the tail plate are fixed through the locking bolt to prevent loosening.

The left side wall panel 23 and the right side wall panel are each provided with a box structure 40 on the outside. Both ends all extend to corresponding the backup pad outside about bottom plate 25, and box structure 40 comprises bottom plate, bounding wall 41, apron 42 and the balancing weight 24 that extend to the backup pad outside, and the inboard bending of bounding wall 41 front end is welded with mounting panel 21 tip mutually, and bounding wall 41 bottom welds with bottom plate 25 mutually, and the rear end is connected with balancing weight 24. The box-type structure 40 may be used as a tool box for a loader, or as a mounting chamber for some operating device for electrical or hydraulic devices, such as a hood lift control switch, etc., mounted therein.

As shown in fig. 1, the counterweight is used for an electric loader. When the balance weight is installed, the mounting holes in the mounting plate 21 are matched with the bolts 27, so that the rear end face of the rear frame longitudinal beam of the loader is fixedly connected. Meanwhile, the mounting plate 21 of the counterweight is attached to the tail plate of the frame, and the hook 30 on the mounting plate hooks the upper edge of the tail plate. One to two power battery packs 50 are mounted in the battery pack mounting cavity 22 of the counterweight 20. In this embodiment, a battery pack installation cavity is arranged in the counterweight and used for installing a power battery pack. This counter weight is installed on the loader, has increased the installation space of power battery package, makes the loader can install more power battery package, increases the accumulate capacity, makes loader duration extension, utilizes the weight of power battery package as the counter weight of loader simultaneously, and counter weight reduction under the condition of equal balanced effect to the loader practices thrift the cost.

Claims

1. The utility model provides a counter weight for loader for electric loader, the counter weight includes the skeleton, its characterized in that the skeleton is used for through bolt and loader solebar rear end face fixed connection's mounting panel including being located the counter weight front side, is provided with the uncovered square battery package installation cavity that is used for holding at least one power battery package in upper portion on the counter weight, the preceding curb plate of battery package installation cavity by the mounting panel constitutes.

2. The counterweight for a loader as claimed in claim 1, wherein the mounting plate has a plurality of hooks at its upper edge for hooking to the upper edge of the tail plate of the loader frame; the hooks are arranged along the upper edge of the mounting plate at intervals, the hook handles are welded on the rear side of the edge of the mounting plate, and the hook parts face downwards.

3. The counterweight for a loader as claimed in claim 2, wherein the hook of each hook has a threaded hole passing through it in the front-rear direction, and a lock bolt for tightening the tail plate of the loader frame is installed in the threaded hole.

4. The counterweight for a loader as claimed in any one of claims 1 to 3 wherein said frame further comprises left and right support plates welded at their front ends to said mounting plate, said left and right support plates respectively constituting left and right side walls of said battery pack mounting cavity.

5. The counterweight according to claim 4, wherein the counterweight further comprises a counterweight block, a front side surface of the counterweight block is fixedly connected to rear ends of the left and right side wall plates, and a rear side wall plate of the battery pack mounting cavity is formed by the counterweight block.

6. The counterweight for a loader as claimed in claim 5 wherein the frame further comprises a bottom plate welded to the bottom edges of the mounting plate and the left and right support plates, and a battery pack mounting plate is fixedly mounted to the bottom of the battery pack mounting cavity.

7. The counterweight for a loader as set forth in claim 6 wherein the left and right side walls are each provided with a box structure on the outside.

8. The counterweight for a loader as claimed in claim 7, wherein the bottom plate has left and right ends extending to the outside of the support plate, the box-shaped structure includes a skirt plate and a cover plate, the front end of the skirt plate is bent inward and welded to the end of the mounting plate, the bottom of the skirt plate is welded to the bottom plate, and the rear end of the skirt plate is connected to the counterweight.

9. The counterweight according to any one of claims 5 to 8, wherein the counterweight is a cast iron counterweight or is composed of a case made by welding iron plates and concrete filled in the case.

10. An electric loader, comprising a plurality of power battery packs, characterized by also comprising the balance weight for loader of any claim 1 to 9, the mounting plate of the balance weight is fixedly connected with the rear end of the longitudinal beam of the rear frame of the loader through bolts, and at least one power battery pack is mounted in the battery pack mounting cavity of the balance weight.