HYDRAULIC SYSTEM FOR CONTROLLING ANGLE OF REAR AXLE ACCORDING TO CONDITION OF GROUND FOR FORKLIFT TRUCK

摘要

PURPOSE: A hydraulic system for a forklift truck is provided to control the angle of a rear axle and to change vertically moving angle of tires according to the condition of the ground. CONSTITUTION: A hydraulic pressure control valve(8) is installed at a hydraulic line, and controls the flow of hydraulic pressure. An operating lever(7) is installed at an operator cab, and adjusts the operation of the hydraulic pressure control valve. A hydraulic cylinder(4) is connected to the hydraulic pressure control valve, and is vertically mounted to a frame disposed above the rear axle. The hydraulic cylinder is controlled by the operating lever, and is in contact with the rear axle.