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简要介绍了JUS180履带式螺杆桩机特点、适用范围、结构组成和主要性能参数,通过校核证明了主塔的强度和刚度均满足超大扭矩动力头输出扭矩450kNm的要求。阐述了主塔起落塔和桩机工作时整机稳定性的力学计算,结果满足桩机稳定性的要求,同时桩架的设计符合JG/T5006-92桩架技术重要条件的设计要求。
The characteristics, applicable scope, structural composition and main performance parameters of JUS180 crawler screw pile driver are briefly introduced. It is proved through verification that the strength and rigidity of the main tower meet the requirements of output torque 450kNm of large torque power head. The mechanical calculation of complete machine stability during the working of tower pylon and pile driver is described. The results meet the requirement of stability of pile driver. Meanwhile, the design of the pile holder conforms to the design requirements of the important conditions of pile technology of JG / T5006-92.