Electronic control hydraulic driving system used for industrial vehicles

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Electronic control hydraulic driving system used for industrial vehicles

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PENG CHANGZONG / XIAO ZIYUAN / CHEN SHUGUO

The invention discloses an electronic control hydraulic driving system used for industrial vehicles. Functions such as walking, slope sliding, speed limiting, oil adding, steering, lifting and inclining of the vehicles are achieved by using a motor, a controller and a variable hydraulic system only, and meanwhile kinetic energy recycling, potential energy heavy load recycling and light load unloading are achieved. The system has the advantages that by means of a walking speed limiting device, the speed of the vehicles is limited, walking of the vehicles is stable, and automatic oil supplying can be conducted by the hydraulic system in the process of the slope sliding and braking; by adopting a combination type oil tank, oil cooling type installation of mechanical and electrical integration can be achieved, electric elements are not in contact with air, noise of the hydraulic system is reduced, and functions of water proofing, explosion proofing and cooling are achieved; interlocking is carried out on a walking device, a lifting device and an inclining device by the hydraulic system, so that the walking, the lifting and the inclining cannot be conducted at the same time, superposed large currents do not exist, and the discharge capacity efficiency of a storage battery is improved; startup from zero to load currents is completed in 600 millimeters by starting currents of the motor, large starting currents do not exist, and the energy can be saved by more than 15%.

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Document information

Title :

Electronic control hydraulic driving system used for industrial vehicles

Contributors:

PENG CHANGZONG (author) / XIAO ZIYUAN (author) / CHEN SHUGUO (author)

Publication date :

2015-07-08

Type of media :

Patent

Type of material :

Electronic Resource

Language :

English

Classification :

IPC:

F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein / B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last