Abstract
The independent energy storage devices based on spiral spring which has the function of energy storage is used in lift machinery through innovative mechanical design. This device can make maximal use of weight's gravitational potential energy by switching gears to control the amount of energy storage springs. When we lift weights, the stored potential energy will be released in the spindle in order to achieve secondary usage of energy. 1 Development background Small light lifting equipment such as electric hoist, when moving cargo, always moves up and down. Upward movement turns electrical energy into potential energy of cargo, while downward movement turns the potential energy into heat energy. The heat energy manly results from the friction between shaftsand wire ropes or chains and gears. Therefore, if the potential energy of cargo can be saved, then the available energy is very significant. 2 Project signification Compared to existing devices, the device proposed in the paper, makes full use of the gravitational potential energy of the goods. According to the difference of weight, it can select the different gears for energy storage which not only ensures the energy efficiency, but also maximize the recovery of gravitational potential energy. The scroll spring can be effectively work in energy conversion, and has good effect on energy saving and emission reduction.
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