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| Characteristic analysis and experiment on a new type of speed regulating loop using a force couple type radial piston motor |
| WEN Desheng,LIU Xiaoxue,SUI Guangdong,FENG Peikun,TIAN Shanheng,WANG Shaopeng |
| School of Mechanical Engineering, Yanshan University, Qinhuangdao 066004,China |
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Abstract In view of the limited speed range of the volume speed control loop with a set of variable pump-quantitative motor and the complex structure of the speed control loop with a set of variable pump-variable motor, a new constant torque speed regulation loop using a force couple type radial piston motor was put forward.The radial forces on the output shaft of the motor were balanced, and the torque was output by the force couple.Two motors, one internal and one external, were formed in one motor shell.Under the condition of constant input pressure and flow rate, three kinds of torques and rotational speeds can be output through different distribution modes, which can well meet the needs of various working conditions.The three-stage constant torque speed regulating loop has different dynamic characteristics under three working modes, and the internal motor has good dynamic characteristics when it works alone.The AMESim software was used to simulate and analyze the new speed control loop using the force couple type radial motor.The results prove that the new speed control loop can increase the speed and torque range of the system and enrich the application field of the force couple type radial motor.
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Received: 08 October 2018
Published: 15 July 2020
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