公开(公告)号：US5129868A

公开(公告)日：1992-07-14

申请号：US611590

申请日：1990-11-13

申请人： Junichi Sudo ,  Masateru Niyada ,  Shigeru Shinohara

发明人： Junichi Sudo ,  Masateru Niyada ,  Shigeru Shinohara

IPC分类号： B23B47/18 ,  B23Q16/00

CPC分类号： B23Q16/003

摘要： A quick-return motion mechanism for use in an automatic magnetic drilling machine including a feed motor for generating power transferred through a worm wheel and a high-ratio reduction gear to a handle shaft to drive an electric drill. A one-way clutch is provided inside the worm wheel so that the handle shaft races on feed and is locked on return. The high-ration reduction gear is composed of elements which are arranged to cause the input and output sides of the high-ratio reduction gear to rotate in the same direction. The quick-return motion mechanism consists of an arrangement for restraining the input side element of the high-ratio reduction gear on feed and for releasing it on return to race the high-ratio reduction gear.

摘要翻译： 一种用于自动磁力钻机的快速返回运动机构，包括用于产生通过蜗轮传递的动力的进给马达和用于驱动电钻的高速比减速齿轮。 蜗轮内设有单向离合器，使得手柄轴在进给位置上摆动并在返回时被锁定。 高档减速装置由高速减速机的输入侧和输出侧沿相同方向旋转的元件构成。 快速返回运动机构包括用于限制进给时的高比例减速齿轮的输入侧元件并且在回转到高比减速齿轮时进行释放的装置。