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1 前言为适应钻凿水源井、打桩孔、扩底桩孔及高层建筑和桥梁施工打基桩孔等施工需要 ,某油田研制了车装液压水井钻机。该钻机主要由桅架、动力头、拉压装置、夹持器、绞车、机泵组和液压系统等组成。该钻机装在汽车上 ,机动灵活 ,搬迁方便。钻机具有抓、松、上提、下放、下压
1 Preface In order to meet the construction needs of drilling water wells, piling holes, expanded bottom piles and foundation piles for high-rise buildings and bridges, an oilfield has developed a hydraulic drilling rig. The rig is mainly composed of mast, power head, tension and compression device, gripper, winch, pump group and hydraulic system. The rig mounted on the car, flexible, easy relocation. Rig with grasping, loose, on the mention, decentralization, under pressure