Deicing Vehicle Brake System Research

Cold winter in northern China a long time, long prone to freezing cold weatherphenomenon on the airport road and aviation equipment, aviation equipment to bring greatsecurity risk. Airport deicing vehicle that is a dedicated airport deicing road and aviationequipment special vehicles, special vehicles due to the use conditions of the special nature ofits driving higher security requirements, so choose an efficient, stable braking system is veryimportant.Brake system design parameters, the degree of matching and vehicle componentsarranged special braking effect will have an important impact on the vehicle. If at the end ofthe real vehicle design and production of braking system found by the road test parameters arenot ideal, less than a predetermined braking performance, and then deploy experts for a longtime detection correction will greatly extend the time for design and production of techniciansand manufacturers will result in unnecessary waste. Therefore, if early in the design can bedesigned with reference to the existing successful model selection, and use of relevantsoftware braking dynamic simulation analysis of the various processes, combined with thereal vehicle inspection and test results corrected simulation design parameters, eventuallyyou can get ideal parameter matching and performance prediction, clearer grasp of the impactparameter changes on the real vehicle braking performance, designed to shorten productiontime and real vehicle to reduce the consumption of resources is very important engineeringhas an important significance.Dual circuit hydraulic disc brake system water stability, thermal stability and so good,and because the double bar brake circuit alone, independently of each other, with the brakingspeed, high efficiency, low environmental pollution, etc., have been become a standardautomotive brake system, but also the future direction of large-scale projects hotspot vehiclebrake system research.Brake pump system consists of forward and backward through the filling valve dualbrake accumulator charging and maintain this pressure. When braking occurs, theaccumulator are forward dual rear axle brake pressure oil provided, along with the driverstepped on the brake pedal action, hydraulic oil into each disc brakes, the brake. Since thedual accumulator charging valve can be maintained in the range of a pressure slightly higherthan the brake pressure, each time filling the brake to meet the many needs, and improveefficiency.Compliance with national design criterion and requirements of users of the real car, animportant theoretical calculation of vehicle brake system parameters, and then the corresponding components match each selection, the various components were built AMESimmodel, the simulation of conditions in and out of different input signals pressure changes andcoordination, especially for dual filling valve, static and dynamic performance dual hydraulicbrake these two key components of the working process of careful in-depth analysis, the lastreal vehicle test results validate the design.