Will be changed to 2000 and 1 and 3 to 2, can reduce the value of the resistance, the result 6, the piston returns to the original position around 0.53, waiting for the next brake, the plunger movement is gentle, this process is fully satisfied with the piston Return sensitivity requirements. 5 Conclusion In summary, the oil return rate is more than 1.53 times from the oil pressure loss of the piston along the path, which is three times the expected return time of 0.53. The above result is mainly because the recovery coefficient is too large. There is a large fluctuation in the piston movement. Change the ruler to other parameters, the simulation result is 5, the piston movement does not fluctuate, but the return time is still around 1. Knowing that the returning oil friction and oil inertia force play a major role, that is, the oil path appears. Blockage. The coefficient of the Nie and the magnitude of the restoring force are determined together. The piston viscous damping force is small. The pressure loss along the path is mainly determined by the roughness of the tubing inner diameter tubing. The spring stiffness cannot be too high. The long-term use will cause the spring to age. Therefore, it is necessary to reduce the pressure loss as much as possible. From the analysis of the first part, it can be known that increasing the inner diameter of the pipe and reducing the frictional resistance of the pipe can be effectively reduced, thereby achieving a fast and stable returning effect. Liu Weixin. Structural Analysis and Design Calculation of Automobile Braking System, Beijing Tsinghua University Press, 2004. Ding Shoufu, Du Changlong, Liu Wei and so on. Application based on elbow pull 1 computer simulation in hydraulic system. Coal mining machinery, 200692729. Cheng Zhendong, Tian Jinyue, Liu Gang. Vehicle full hydraulic brake system actuator modeling and Yao Jia. 3-based electro-hydraulic proportional relief valve frequency response simulation 1. Hydro-pneumatic Han Hu, and so on. Research and application of simulation technology based on human 8 hydraulic system. Hydraulic Pneumatics and Sealing, 2007345. Lin Muyi, Liu Wei. The influence of the full hydraulic brake system piping arrangement on the braking performance of the vehicle. Construction Machinery, 2009 Mountain 2730. Jin Yi. Heavy vehicle brake system hydraulic system research mountain. Hydraulic and pneumatic, 2008 compressed air oil water separator compressed air oil water separator is a new type of gas-liquid separation system. The inside is made of stainless steel mesh coalescing filler, the shell is made of steel welded tank structure, and the normal use pressure is 1.0. The principle is to use the organic combination of cyclone and stainless steel wire mesh to capture fog, and to directly intercept the inertial collision, Brown diffusion and condensation. The mechanism can effectively remove the dust and oil mist in the compressed air. The amount of water removed is large, and the range of working conditions is wide.
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