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HYDRAULIC APPARATUS FOR DRIVING ONE OR MORE HYDRAULIC DEVICES MOUNTED ON A SEMI-TRAILER, THE POWER BEING SUPPLIED BY THE DRIVING SYSTEM OF THE SEMI-TRAILER
HYDRAULIC APPARATUS FOR DRIVING ONE OR MORE HYDRAULIC DEVICES MOUNTED ON A SEMI-TRAILER, THE POWER BEING SUPPLIED BY THE DRIVING SYSTEM OF THE SEMI-TRAILER
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机译:用于驱动安装在半挂车上的一个或多个液压设备的液压装置,该动力由半挂车的驱动系统提供
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摘要
A hydraulic apparatus drives a semi-trailer hitched to a road tractor and a hydraulic equipment device carried by the semi-trailer. The apparatus includes an auxiliary motor capable of driving the device, for example a concrete mixer, through a hydraulic circuit when the vehicle is traveling along the ground, and an electric circuit for controlling valves which, when the vehicle is stationary, put in communication the circuit and a hydrostatic circuit which drives the concrete mixer. The hydrostatic circuit motorizing the semi-trailer is used for alternately driving either the axles of the semi-trailer or the equipment device to be driven.
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