Energy-recoverable high-slope lithium battery forklift

By setting up speed variable and detection components in the lithium battery forklift, adjusting the transmission ratio and rotation speed of the hydraulic motor according to the weight of the cargo, the problem of poor energy recovery efficiency of the lithium battery forklift under different cargo weights is solved, and the effect of improving the battery life and working efficiency of the lithium battery forklift is achieved.

CN119683540AActive Publication Date: 2025-03-25ZHEJIANG HUAHE FORKELEVATOR
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Patent Information

Application Number
CN202510206747.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2025-03-25
Estimated Expiration
2045-02-25

AI Technical Summary

Technical Problem

When lithium battery forklifts use the gravity potential energy of cargo to recover energy, the energy recovery efficiency varies greatly due to different weights of cargo, which leads to poor improvement of lithium battery forklift range.

Method used

By setting up a variable speed component, the transmission ratio of the hydraulic motor to the generator is changed according to the weight of the cargo, thereby improving the energy recovery efficiency. At the same time, by detecting the weight of the cargo, adjusting the speed of the hydraulic motor, reducing the support force of the hydraulic system to heavy cargo, and improving the battery life of the lithium battery forklift.

Benefits of technology

It effectively improves the power generation of lithium battery forklifts when carrying heavy cargo, reduces the energy consumption of hydraulic cylinders, and improves the battery life and working efficiency of lithium battery forklifts.

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Abstract

The invention relates to the technical field of forklifts, in particular to an energy-recoverable high-slope lithium battery forklift which comprises a forklift body, a door frame and an inclination mechanism and further comprises a hydraulic cylinder, a lifting frame, a pallet fork, a detection assembly, a push plate, a speed change assembly, a hydraulic motor, a power generator and a storage battery. The lifting frame is connected to the upper end of the hydraulic cylinder, the pallet fork is connected to the lifting frame, the detection assembly is connected to the rear side of the pallet fork, the push plate is connected to the rear side of the detection assembly, the speed change assembly is connected to the rear side of the push plate, the hydraulic motor is connected to the side, close to the door frame, of the speed change assembly, and the hydraulic motor communicates with the hydraulic cylinder. By arranging the speed change assembly, the transmission ratio of the hydraulic motor to the power generator is changed according to the weight of goods, so that the purpose of improving the energy recovery efficiency is achieved, and the endurance of the lithium battery forklift is effectively improved.
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