| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a ball screw with a support device capable of simplifying a structure, and capable of reducing maintenance cost.SOLUTION: The ball screw includes a platform, two pivotal bases fixed to the platform at a distance, a screw shaft provided between the two pivotal bases, at least one rail fixed to the platform and positioned on one side of the screw shaft, a first guide block fixed to the platform and positioned between the two pivotal bases, a second guide block fixed to the platform and positioned between the two pivotal bases, a support base having a base part, at least one support fork part and a rail groove, a nut unit movably provided on the rail and a driving unit having a guide rod vertical to the axial direction of the screw shaft and slidably inserted into the rail groove of the support base.</p> |
