Tsung-Yen Kao
ABSTRACT
Under the energy-saving and carbon-reduction policy, the drive horsepower required for empty and full load is used to distinguish between large and small motors, which can avoid the use of the required rated horsepower when empty load is used to full load, resulting in unnecessary waste of electricity. According to the actual load capacity, the size of the motor can be automatically selected to drive the vertical lift. It can be driven by a small motor when descending, which has achieved the purpose of saving electricity. This power-saving hydraulic cargo elevator is used in large and heavy-duty lift, the greater the gap between the power required for empty and full load, the greater the power-saving benefits that can obtained. In this investigate, large and small motors are set up to meet the rated power required for vertical lifting when empty and full load, and the large and small motors can be automatically selected according to the weight of the load, so as to avoid the use of large motors and waste energy when there is no load.
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