Nut fastening device

The utility model discloses a nut fastening device, include worm wheel, worm and be used for the installation the worm wheel with the coupling assembling of worm is still including being used for withthe nut joint and can driving nut pivoted fastener, the fastener with the connection can be dismantled to the worm wheel, the axial of worm wheel is equipped with polygonal through hole, be equippedwith the polygon pillar on the fastener, the pillar can with through -hole cooperation joint so that the fastener is followed the worm wheel rotates. The utility model provides a nut fastening device,through install on the worm wheel the fastener, and the fastener with can dismantle the connection between the turbine, when needing to install not unidimensional nut, only need change the fastener can, simple manufacture, convenient to use, the suitability is strong. 本实用新型公开了种螺母紧固装置，包括蜗轮、蜗杆以及用于安装所述蜗轮和所述蜗杆的连接组件，还包括用于与螺母卡接并可带动所述螺母转动的紧固件，所述紧固件与所述蜗轮可拆卸连接；所述蜗轮的轴向设有多边形通孔，所述紧固件上设有多边形台柱，所述台柱可与所述通孔配合卡接以使所述紧固件跟随所述蜗轮转动。本实用新型所提供的螺母紧固