CN219106412U

CN219106412U - Frame battery for tractor power conversion and power conversion assembly

Info

Publication number: CN219106412U
Application number: CN202223249988.4U
Authority: CN
Inventors: 朱万新; 祝礼康; 来瑞俊; 胡新举
Original assignee: Shanghai Enneagon Energy Technology Co ltd
Current assignee: Shanghai Enneagon Energy Technology Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-05-30
Anticipated expiration: 2032-12-05

Abstract

The utility model discloses a frame battery for tractor power conversion and a power conversion assembly, and belongs to the technical field of new energy engineering vehicles; the middle frame forms a rectangular frame structure, and is provided with a plurality of battery packs; the side frames are symmetrically arranged on two sides of the middle frame, form a frame structure, and are used for installing the battery pack; the clamping groove is formed by enclosing the lower part of the middle frame and the inner side parts of the two side frames. The frame battery for tractor battery replacement has compact structure, can be stably assembled with the tractor by utilizing the self structural characteristics, has large battery capacity, and can ensure the battery installation and the working stability of the tractor.

Description

Frame battery for tractor power conversion and power conversion assembly

Technical Field

The utility model belongs to the technical field of new energy engineering vehicles, and particularly relates to a frame battery for power conversion of a tractor and a power conversion assembly.

Background

Along with the continuous development and maturity of the battery technology and the increasing severity of energy problems, the battery is used as an energy carrier to be widely applied to automation equipment in various fields. At present, the traditional automobiles are gradually replaced by new energy automobiles, and along with the continuous maturity of related technologies, new energy automobile types of some kinds of engineering vehicles begin to appear. The working environment of the engineering vehicle generally works in a certain range of engineering sites in batches, so that the battery with the electricity replaced type is more suitable for the engineering vehicle. A battery-change truck has shown its advantages. As an engineering vehicle, a tractor is currently a multi-assembly diesel engine power assembly, and an electric tractor using a storage battery and a motor as power assemblies is already present and tends to replace the existing traditional tractor. However, the battery structure of the electric tractor is fixedly assembled on the frame body of the tractor, so that it is necessary to design a battery unit assembly for power exchange and a power exchange assembly suitable for the tractor, which are adapted to the tractor.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model provides a frame battery for power conversion of a tractor and a power conversion assembly, which solve the problems of available battery unit components for power conversion of an electric tractor.

The utility model is realized in such a way that a frame battery for tractor power conversion comprises a battery frame and a battery pack arranged on the battery frame, and is characterized in that the battery frame comprises a middle frame, a side frame and a clamping groove; the middle frame forms a rectangular frame structure, and is provided with a plurality of battery packs; the side frames are symmetrically arranged on two sides of the middle frame, form a frame structure, and are used for installing the battery pack; the clamping groove is formed by enclosing the lower part of the middle frame and the inner side parts of the two side frames.

In the above technical solution, preferably, the side frames are symmetrically disposed on both sides of the long side of the middle frame.

In the above-described aspect, it is preferable that the left and right side surfaces of the intermediate frame and the front and rear end surfaces of the side frames form a right-angled internal corner structure at four corners of the battery frame.

In the above technical solution, preferably, the middle frame and the side frames are welded to form an integrated battery frame.

In the above-described aspect, it is preferable that the middle frame mounts a layered battery pack, and the side frames mount the layered battery pack.

In the above technical solution, preferably, a guiding hole with a vertical axis is provided at the bottom of the middle frame.

In the above technical solution, preferably, at least one side surface of the right-angled female corner structure is provided with a locking portion.

The utility model has the advantages and effects that:

the frame battery that proposes among this technical scheme, battery frame design be for with the special structure of the frame roof beam adaptation of tractor, both sides frame is the "pack" structure that has the draw-in groove in the intermediate frame both sides, and it assembles in electric tractor, not only can realize trading the basic function of electricity, and the stability of frame installation on electric tractor can be guaranteed to the "pack" structure, the location installation of being convenient for, and the whole focus of frame battery is lowered, improves electric tractor's handling performance. On the other hand, in the starting and stopping process of the electric tractor, the impact stress of the frame battery with lower gravity center due to inertia is smaller, and the structural deformation is effectively avoided. Finally, the frame battery has a structure that the battery packs are mounted above and at both sides of the tractor frame beam, and the capacity of the frame battery is large.

Another object of the present utility model is to provide a power exchanging assembly of a tractor, including a frame beam, wherein the frame beam is provided with a power exchanging base, and the power exchanging base is provided with any frame battery.

In the above technical solution, preferably, the power conversion shoe includes a main bracket, a side bracket, a support table, and a guide locking member; the main bracket forms a rectangular supporting plate frame; the side brackets are symmetrically arranged on two sides of the main bracket, and form support plate frames positioned on two sides of the main bracket; the main bracket and the side brackets form a convex supporting table structure; the guide locking member is mounted to the main bracket and/or the side bracket.

In the above technical solution, preferably, the side edges of the main bracket and the side edges of the side brackets form four internal corners, four corner locking assemblies are disposed at the internal corners of the power conversion bottom bracket, each corner locking assembly comprises two guiding locking components, and the upper ends of the two guiding locking components in the same corner locking assembly are provided with guiding wedge faces respectively pointing to the main bracket and the side brackets; and locking pins which are respectively directed to the main bracket and the side brackets are arranged at the upper ends of the two guide locking parts in the same angle locking assembly.

Drawings

FIG. 1 is a schematic view of a frame battery for a tractor power change in accordance with the present utility model;

FIG. 2 is a schematic diagram of a power conversion assembly according to the present utility model;

fig. 3 is a schematic structural diagram of a power conversion shoe according to a second embodiment of the present utility model.

Detailed Description

The present utility model will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The utility model provides a frame battery for power conversion of a tractor and a power conversion assembly, which are compact in structure, can be stably assembled with the tractor by utilizing the structural characteristics of the frame battery and the battery capacity, and can ensure the installation of the battery and the working stability of the tractor. For further explanation of the structure of the present utility model, the detailed description is as follows in connection with the accompanying drawings:

example 1

Referring to fig. 1, a frame battery for power conversion of a tractor includes a battery frame and a battery pack mounted on the battery frame. The battery pack is used as a power distribution unit of the frame battery, and the type of the battery pack matched with the power type of the electric tractor can be selected according to the power type of the electric tractor.

The battery frame is a main body rigid member of the frame battery and serves as a battery pack and a carrier for the battery pack, the battery storage module, the backup battery module, the fire protection module, the heat dissipation module and the connector module assembly which are matched with the battery pack. The power storage module, the standby battery module, the fire protection module, the heat dissipation module and the connector module assembly are conventional known accessories, and the model of the accessories can be purchased and assembled according to the specific model of the battery pack.

The battery frame includes a middle frame 1, side frames 2, and a clamping groove 3.

The middle frame forms a rectangular frame structure, and the middle frame is provided with a plurality of battery packs. In this embodiment, the middle frame is a rigid frame body having a rectangular frame structure formed by welding steel beams, and the steel beams are welded to the inner side of the middle frame to form a layered structure for supporting and mounting the battery pack. The middle frame is provided with a layered battery pack.

Side frames are symmetrically arranged on two sides of the middle frame, and the side frames form a frame structure. In this embodiment, the side frames are rigid frame bodies of rectangular frame structures formed by welding steel beams, and steel beams arranged in layers are welded on the inner sides of the side frames to support and mount the battery packs. The side frames mount battery packs arranged in layers. The side frames are symmetrically arranged on two sides of the long side of the middle frame. The middle frame and the side frames are welded to form an integrated battery frame, and the two side frames are integrally sunk on two sides of the middle frame. The left and right sides of the middle frame and the front and rear end surfaces of the side frames form a right-angle female corner structure at four corners of the battery frame. I.e. the projection of the battery frame from top to bottom is shaped like a "ten". At least one side of the right-angle structure of the internal corner is provided with a locking part 4, and the locking part is used for being combined with a locking pin of a power conversion base bracket equipped with the electric tractor to realize locking connection between the battery frame and the electric tractor. In this embodiment, the locking part of the right angle internal corner structure is a locking block of the steel beam at the lower part of the middle frame at the right angle internal corner structure, the upper end surface of the locking block is a locking pin surface, and the corresponding locking pin can be blocked above the steel beam after extending out to realize locking.

The clamping groove is formed by enclosing the lower part of the middle frame and the inner side parts of the two side frames. Namely, the middle frame and the two side frames which are arranged in a sinking way at the two sides of the middle frame jointly form a 'pack' structure with a clamping groove at the lower part, and the clamping groove is used for clamping a power exchange bottom bracket of the electric tractor. The bottom of the middle frame is provided with a guide hole with a vertical axis, and the guide hole is used for secondary accurate positioning of the frame battery in the assembly process.

Example two

Referring to fig. 2 and 3, a power exchanging assembly of a tractor includes a frame beam 5, and a frame beam mounting power exchanging shoe 6 equipped with a frame battery as proposed in the first embodiment. The frame beam is a structural beam frame of the electric tractor, and the whole frame beam is two mutually parallel rigid beam bodies, and in the embodiment, oblique beam bodies extending upwards and obliquely are arranged on the two rigid beam bodies, and the oblique beam bodies are fixed with a power exchange base through bolts. In addition, the front ends of the two rigid beam bodies are also provided with vertical upward column bases, and the column bases are fixed with a power exchange base through bolts. The bar rigid beam body and the column base are two relatively independent support components fixed on the rigid main body of the tractor.

The power exchanging base comprises a main bracket 6-1, side brackets 6-2, a supporting table and a guiding locking part 6-4.

The main bracket forms a rectangular supporting plate frame. Specifically, the main bracket is a rectangular planar frame formed by welding metal beams, and the size of the rectangular planar frame is consistent with the outer size of a lower rectangular frame body structure of a middle frame of the battery frame. A plurality of vertical secondary guide posts are uniformly distributed on the supporting surface of the main bracket, the secondary guide posts are vertical cylinders with conical heads at the upper ends, and are combined with guide holes designed by the frame battery in the process of assembling the frame battery, so that accurate limiting of the frame battery is realized. In this embodiment, the lower portion of the secondary guide post is fixed to the main bracket by a screw.

Side brackets are symmetrically arranged on two sides of the main bracket, and form support plate frames positioned on two sides of the main bracket. Specifically, the side brackets are rectangular plane frames formed by welding metal beam materials, rigid beam materials extending vertically are welded at the lower parts of two sides of the main bracket, and the side brackets are welded to the rigid beam materials. The main brackets and the side brackets form a convex support table structure. The side of main bracket and the side of side bracket form four reentrant angles, and reentrant angle is for vertical projection presentation, is right angle reentrant angle. The side brackets have external shape dimensions that conform to the lower portions of the side frames of the frame cells.

The guiding locking component is used for primary guiding in the frame battery installation process and locking after entering. The guide locking member is mounted to the main bracket and/or the side bracket. In this embodiment, specifically, four corner locking assemblies are disposed at the female corners of the power conversion base, and each corner locking assembly includes two guiding locking components. The upper ends of two guide locking parts in the same angle locking assembly are provided with guide wedge-shaped surfaces which point to the main bracket and the side bracket respectively; the upper ends of the two guide locking parts in the same angle locking assembly are provided with locking pins which are respectively directed to the main bracket and the side bracket. The guide locking member is conventionally known, and its structure has been disclosed in my prior patent application (application number: CN 202021389125.5). The guide locking member body is welded to the main bracket. The guiding wedge faces the right-angle internal corner structure of the battery frame of the frame battery to conduct preliminary guiding positioning, namely, the angle locking assembly is inserted into the right-angle internal corner structure of the battery frame from bottom to top under the action of the guiding wedge face. After the frame battery is put into place, the locking pin of the guide locking part extends out and is blocked above the lower beam of the middle frame and the lower beam of the side frame, so that locking is realized.

The connector module is generally disclosed in a prior patent application (application number: CN 202021389125.5) and has three-stage guiding posts in its structure.

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

Claims

1. The utility model provides a tractor trades frame battery for electricity, includes battery frame and installs in battery frame's battery package, its characterized in that, battery frame includes:

a middle frame forming a rectangular frame structure, the middle frame mounting a plurality of the battery packs;

side frames symmetrically arranged on two sides of the middle frame, wherein the side frames form a frame structure, and the side frames are used for installing the battery pack;

and the clamping groove is formed by enclosing the lower part of the middle frame and the inner side parts of the two side frames.

2. The frame battery for power conversion of a tractor as defined by claim 1, wherein: the side frames are symmetrically arranged on two sides of the long side of the middle frame.

3. The frame battery for power conversion of a tractor as defined by claim 2, wherein: the left and right sides of the middle frame and the front and rear end surfaces of the side frames form an internal corner right angle structure at four corners of the battery frame.

4. A tractor battery as defined by claim 3 wherein: the middle frame and the side frames are welded to form an integrated battery frame.

5. The frame battery for power conversion of a tractor as defined by claim 4, wherein: the middle frame is provided with a layered battery pack, and the side frames are provided with layered battery packs.

6. The frame battery for power conversion of a tractor as defined by claim 5, wherein: the bottom of the middle frame is provided with a guide hole with a vertical axis.

7. The frame battery for power conversion of a tractor as defined by claim 6, wherein: at least one side surface of the right-angle internal corner structure is provided with a locking part.

8. A power conversion assembly for a tractor comprising a frame beam, wherein the frame beam mounts a power conversion shoe, and wherein the power conversion shoe mounts the frame battery of claim 7.

9. The power conversion assembly of claim 8, wherein the power conversion shoe comprises:

a main bracket forming a rectangular support plate frame;

the side brackets are symmetrically arranged on two sides of the main bracket, and form support plate frames positioned on two sides of the main bracket;

a support table, the main bracket and the side brackets forming a convex support table structure;

and the guide locking component is mounted on the main bracket and/or the side bracket.

10. The power conversion assembly according to claim 9, wherein the side edges of the main bracket and the side edges of the side brackets form four internal corners, four angle locking components are arranged at the internal corners of the power conversion base, each angle locking component comprises two guide locking components, and the upper ends of the two guide locking components in the same angle locking component are provided with guide wedge faces respectively pointing to the main bracket and the bracket; and locking pins which are respectively directed to the main bracket and the side brackets are arranged at the upper ends of the two guide locking parts in the same angle locking assembly.