Abstract
A hydro-viscous winch comprises a disc brake and a hydro-viscous brake. The hydraulic system is of utmost importance to the performance of the winch. To verify the validity of the hydraulic system, by using AMESim software, the simulation model of the hydraulic system was built and the performance analyzed. The results show that 1) the pressure and the flow rate of the disc brake hydraulic system are mainly affected by the energy accumulator; 2) Hydro-viscous brake hydraulic system pressure and lubricating oil flow rate are influenced by orifice diameter of the throttle valve; 3) during the braking period, the amplitude of the deceleration is rather small and the hydro-viscous winch hydraulic system can meet the requirements well. Research achievements of this work provides theoretical basis for optimal design of the hydro-viscous winch hydraulic system.
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