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An electric tractor fast counterweight system and its control method

A tractor and electric technology, applied in the direction of motor vehicles, tractors, vehicle parts, etc., can solve the problems of not being able to give full play to the performance of the whole machine, increasing the energy consumption of the tractor, and not being able to adjust the size of the counterweight, so as to improve the handling stability, Avoid the influence of dust and impurities, and prevent the effect of moving from side to side

Active Publication Date: 2022-02-25
CHINA AGRI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Traditional tractors often adopt the method of arranging counterweights at the front end to suppress the adverse effects caused by axle load transfer, but counterweights will increase the energy consumption of the tractor during driving; in addition, when the tractor is working in the field, it cannot adjust the distribution in real time according to the change of working conditions. The size of the heavy block can not give full play to its overall performance

Method used

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  • An electric tractor fast counterweight system and its control method
  • An electric tractor fast counterweight system and its control method
  • An electric tractor fast counterweight system and its control method

Examples

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Embodiment Construction

[0078] A fast counterweight system for an electric tractor, the counterweight system is arranged on the body of the electric tractor, and arranged in front, including a power battery pack 1, a power battery mounting frame 2, a carrying frame 3, a sliding adjustment mechanism 4 and a control system.

[0079] Such as figure 1 As shown, v is the forward direction of the counterweight system.

[0080] The power battery pack 1 includes a plurality of battery cells, and the terminals are located on the upper surfaces of the battery cells. Preferably, the power battery pack 1 includes 12 battery cells.

[0081] The power battery mounting frame 2 includes an upper frame 201, an upper rib 202, an upper connector 203, a lower frame 204, a lower rib 205, a "V"-shaped wheel bracket mounting hole 206, an electric push rod mounting seat 207, a lower connection 208, lower mounting nut 209, stud 210 and upper mounting nut 211.

[0082] The upper frame 201 includes four first rods, the leng...

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Abstract

The present invention relates to the technical field of electric tractors, in particular to a fast counterweight system for an electric tractor and a control method thereof. The counterweight system is arranged on the body of the electric tractor, and the counterweight system includes a power battery pack (1), a power battery The installation frame (2), the carrying frame (3), the sliding adjustment mechanism (4) and the control system; the invention can fully utilize the characteristics of the flexible layout of the power battery pack of the electric tractor, does not need additional counterweights, and can improve the stability of the operation performance, reduce energy loss, and improve traction efficiency. The invention can observe the steering ability of the whole machine and the slip rate of the rear wheels in real time, adjust the position of the power battery pack with high precision, change the distribution of the front and rear axle weights, realize the functions of fast counterweight and improve the operation effect.

Description

technical field [0001] The invention relates to the technical field of electric tractors, in particular to an electric tractor fast counterweight system and a control method thereof. Background technique [0002] As the most important agricultural power machinery, tractors need to complete a variety of field operations, transportation operations and fixed site operations. The traction force of the tractor will lead to the transfer of the load on the front and rear axles; when the traction force is too large, the load on the front axle will be seriously reduced or even zero, which will seriously affect the adhesion of the front wheels, and the tractor will lose its steering ability, resulting in the risk of tilting and overturning. Excessive loads lead to serious rear wheel slippage, increased tire wear, increased energy loss, and the driver's handling stability and safety cannot be guaranteed. Therefore, adjusting the tractor's front and rear axle loads becomes critical. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D49/08B62D21/00
CPCB62D49/085B62D21/00
Inventor 谢斌王帅张胜利温昌凯李俊林李家坤李同辉
Owner CHINA AGRI UNIV
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