Forklift potential energy recovery and release integrated device and working method
A potential energy recovery and energy recovery technology, applied in fluid pressure actuating devices, lifting devices, fluid pressure actuating system components, etc., can solve problems such as low efficiency and complex systems
Pending Publication Date: 2021-07-23
HUAQIAO UNIVERSITY
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[0028] In the claims, description and above-mentioned drawings of the present invention, unless otherwise clearly defined, the terms "first", "second" or "third" are used to distinguish different objects, not for Describe a specific order.
[0029] In the claims, specification and above-mentioned drawings of the present invention, unless otherwise clearly defined, for orientation words, such as using the terms "center", "transverse", "longitudinal", "horizontal", "vertical", "top" , "Bottom", "Inner", "Outer", "Up", "Down", "Front", "Back", "Left", "Right", "Clockwise", "Counterclockwise" and other directions or The positional relationship is based on the orientation and positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation or be constructed and operated in a specific orientation ,...
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The invention discloses a forklift potential energy recovery and release integrated device and a working method. The forklift potential energy recovery and release integrated device integrates recovery and release of gravitational potential energy, and energy recovery and release are achieved through the same energy recovery and release unit; in the weight lowering process driven by a lifting oil cylinder, a hydraulic pump motor is used as a motor, an electric generator is used as a generator, pressure oil in a second rodless cavity of the lifting oil cylinder flows into the motor to push the motor to drive the generator to work, and output electric energy is stored in a storage battery; or the pressure oil in the second rodless cavity of the lifting oil cylinder flows into a first rodless cavity of an inclined oil cylinder so as to drive the inclined oil cylinder to act, and the energy recovery is completed. In the lifting process, the electric generator works in a motor state and draws the electric energy from the storage battery, the hydraulic pump motor works in a hydraulic pump state, the pressure oil is provided for a system, a piston rod of the lifting oil cylinder or a piston rod of the inclined oil cylinder is pushed to stretch out, the lifting action is completed, and at the moment, the energy releasing process is achieved.
Description
technical field [0001] The invention relates to an integrated device and working method for recovering and releasing potential energy of a forklift. Background technique [0002] Forklifts refer to various wheeled transport vehicles for loading and unloading, stacking and short-distance transportation of palletized goods. It is a commonly used lifting tool, usually driven by an engine or a motor, and its working principle is the engine or motor Drive the hydraulic pump to generate hydraulic energy, so that the lifting cylinder converts the hydraulic energy into the gravitational potential energy of the cargo. [0003] Electric forklifts use batteries as energy, and use electric motors instead of engines to drive hydraulic systems to complete the lifting, lowering, transfer, and unloading of goods. Because the forklift contains a lot of potential energy in the process of driving the weight down, the traditional forklift consumes this part of energy on the throttle valve, whi...
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IPC IPC(8): B66F9/22F15B11/16F15B21/14
CPCB66F9/22F15B11/16F15B21/14
Inventor 陈俊屹任好玲陈其怀林添良付胜杰武凯吴暇许昕蕾吴江东
Owner HUAQIAO UNIVERSITY