Electric direct-drive type screw jack

The utility model provides an electric direct-driven screw jack which comprises a stator, a casing, a driver and a cable, the casing is internally provided with the stator, the top of the casing is opened, the opening is sealed through an end cover, a rotor is arranged in the stator, the bottom of the casing and the end cover are respectively provided with a radial bearing, and the radial bearingsare respectively connected with the bottom edge and the top edge of the rotor. A thrust bearing is arranged at the bottom of the machine shell and abuts against the bottom of the rotor, a lead screwsleeve is installed in the rotor at one end of the end cover, a lead screw is meshed in the lead screw sleeve, and a connecting flange is arranged at the top of the lead screw. After the scheme is adopted, the device is simple in structure and convenient to machine, manufacture, install and maintain. 本实用新型提供种电动直驱式螺旋千斤顶，它包括有定子、机壳、驱动器、电缆，机壳内安装有定子，机壳顶部开口，其开口处通过端盖密封，转子安装在定子内，机壳底部以及端盖上均设有径向轴承，径向轴承分别与转子底部、顶部边缘处连接，机壳底部设有止推轴承，止推轴承