In recent years, the forklift is facing two challenges energy saving and environmental. However, the hydraulic forklift has low transmission efficiency and energy efficiency. To solve the problem, this paper proposes an approach for the lifting hydraulic cylinder replaced by ball screw device.
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Shanghai Heli Forklift Truck Co., Ltd. is the sales company of Anhui Heli Co., Ltd. in Shanghai, Suzhou and Nantong (including the subordinate cities and counties). It is fully responsible for the sales of Heli brand series forklifts and logistics
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First, we analyzed the working condition and energy flows of the forklift and proposed an energy recovery system for forklift. Second, we built the system model including supercapacitor model
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Shanghai Heli Forklift Truck Co., Ltd. is the sales company of Anhui Heli Co., Ltd. in Shanghai, Suzhou and Nantong (including the subordinate cities and counties). It is fully responsible for
View and Download HELI G2 Series operation & service manual online. lithium battery powered counterbalanced forklift trucks. G2 Series battery pack pdf manual download. Also for: Cpd60
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Social responsibility: Build green factories and products In 2018, Heli won the honorary title of "National Green Factory". Heli was strictly in accordance with the national and European Union
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We also proposed energy management strategy development of a forklift with electric lifting device to achieve a system that can be controlled easily with different speeds up and down, and at the same time, recover as much energy as possible in the downward movement and braking, which used supercapacitor as the energy storage system.
We use the supercapacitor as the energy storage system, and maximum recovery efficiency of the electric system is 46.72%. In recent years, the forklift is facing two challenges energy saving and environmental. However, the hydraulic forklift has low transmission efficiency and energy efficiency.
The lifting system is controlled directly with an electric motor drive instead of pump. First, we analyzed the working condition and energy flows of the forklift and proposed an energy recovery system for forklift. Second, we built the system model including supercapacitor model, vehicle model and the simulation model in AMESim.
In our study, in order to earn high transmission efficiency and solve the problem of low efficiency of the forklift hydraulic lift system, we choose the ball screw device to replace hydraulic cylinder .
The transmission efficiency of electric lifting device is up to 82.3%. We propose a rule-based energy management control strategies on forklift with electric lifting device. We use the supercapacitor as the energy storage system, and maximum recovery efficiency of the electric system is 46.72%.
However, the efficiency of the hydraulic system is 39.1%.We have done experiment verifies the transmission efficiency of electric forklift, and when the load is 1.172t, the test curve is as follows (see Fig. 15, Fig. 16). Fig. 15. Test curve of hydraulic lifting device. Fig. 16. Test curve of electric lifting device.
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