Matching analysis of pilot valve and multi-way valve for a type of bulldozer

The matching of the pilot valve and multi-way valve is a prerequisite for the pilot control in the engineering machinery. Based on hydraulic pilot control system of a certain bulldozer actuator and the principle of the pilot control system, we analyze the matching relationship between the pilot valve and multi-way valve. The parameters that influence the hydraulic pilot control system are summarized and the simulation model of pilot control system is built according to the actual parameters of components. The matching relationship of the hydraulic pilot control system is researched by experiments and simulation, which will provide theoretical guidance for the design of the pilot valve and multi-way valve that used in the engineering machinery.