Lithium battery electric forklift frame

Abstract

The invention discloses a lithium battery electric forklift frame which comprises a frame body. A front wall plate and a rear wall plate are arranged on the frame body in a crossing mode; the front wall plate, the rear wall plate and the frame body form a lithium battery bin for containing lithium batteries; a hydraulic oil tank is installed on the left side of the lithium battery bin and penetrates through the front wall plate and the rear wall plate; a vertical plate is arranged behind the rear wall plate; the vertical plate is fixedly connected with a weight for counterbalance; the verticalplate and the rear wall plate form a cavity for containing a pump motor and a controller; the pump motor is connected with the hydraulic oil tank; and the front of the front wall plate is connected with left and right drive axle supporting plates. According to the frame, a cavity does not need to be formed in the weight for counterbalance any more, a balancing weight does not need to be additionally arranged on the lithium battery, the weight of a whole forklift is reduced by 10 percent, the turning radius is reduced by 5 percent, and an oil way and a circuit are separated, so that the cost is reduced, and the duration performance, the stability and the safety are improved.

Description

technical field [0001] The invention relates to the technical field of industrial vehicle structural components, in particular to a lithium battery electric forklift frame. Background technique [0002] Existing lithium battery electric forklifts generally use lithium batteries to directly replace batteries on the basis of battery electric forklifts. Lithium batteries with the same energy are 50%-60% lighter than batteries. Directly replacing batteries with lithium batteries requires adding a counterweight under the lithium battery to achieve the same weight as the battery, which raises the center of gravity of the lithium battery forklift and increases stability. And under the premise that the price of the lithium battery is higher than that of the storage battery, adding a large amount of counterweight will lead to a further increase in cost. [0003] In addition, the existing lithium battery electric forklift still adopts the structure of battery electric forklift, so it...

AI Technical Summary

Problems solved by technology

And under the premise that the price of lithium batteries is higher than that of batteries, adding a large amount of counterweight will lead to a further increase in costs

[0003] In addition, the existing lithium battery electric forklift still adopts the structure of battery electric forklift, so its seat, driver, steering wheel, etc. are still biased to the left side of the car body, and the center of gravity of the whole vehicle is biased to the left, which reduces the lateral stability of the electric forklift when turning ;Secondly, the controller is set on the balance weight, and the balance weight needs to be provided with a larger cavity to meet the needs of the controller, and then the balance weight needs to be increased to increase the weight to meet the stability requirements, resulting in excessive weight of the vehicle, and the turning radius Too large; on the other hand, the layout of the circuit and oil circuit is mostly on the same plane or the circuit is lower than the plane of the oil circuit. When the oil circuit leaks, it will cause the circuit to short-circuit and fail, and the safety is low

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