Up-loading System: Boom system, Rotary table, Slewing mechanism, Fixed turret, Landing leg. Main function: Complete the concrete delivery and placing which support the vehicle to ensure its stability.
上装组成部分：臂架系统、转台、回转机构、固定转塔、支撑支腿等。主要作用：完成混凝土的输送并支撑整车，保证其稳定性。
Thus we accomplished static and dynamic characteristic simulation analysis of the roadheader slewing hydraulic system, and provided theory basis for design of the roadheader slewing hydraulic system.
从而完成对掘进机回转装置液压系统静、动态特性的仿真分析，为掘进机回转液压系统的设计提供理论依据。
Wind power; Slewing bearing; Testing table; Control system;
风电； 回转支承； 实验台； 控制系统；
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