发明授权
- 专利标题： Ball screw capable of real-time surveillance and control of preload
- 专利标题（中）： 滚珠丝杠能够实时监控和控制预压
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申请号： US13750183申请日： 2013-01-25
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公开(公告)号： US09145958B2公开(公告)日： 2015-09-29
- 发明人: Yeau-Ren Jeng , Yu-Xian Huang
- 申请人： NATIONAL CHUNG CHENG UNIVERSITY
- 申请人地址： TW Chia-Yi County
- 专利权人： NATIONAL CHUNG CHENG UNIVERSITY
- 当前专利权人： NATIONAL CHUNG CHENG UNIVERSITY
- 当前专利权人地址： TW Chia-Yi County
- 代理机构： Muncy, Geissler, Olds & Lowe, P.C.
- 优先权： TW101147507A 20121214
- 主分类号： F16H25/22
- IPC分类号： F16H25/22 ; F16H25/20 ; F16H57/01
摘要：
A ball screw includes a screw rod having an external thread; two screw nuts having an internal thread and a circulatory passage each, a spiral path being formed between the internal threads and the external thread and communicating with the circulatory passage, each of the two screw nuts having a keyway located on respective toric surfaces of opposite ends of the two screw nuts, the two keyways facing each other; a link mounted inside the two keyways to traverse the two screw nuts; a force sensor mounted between and squeezed by opposite sides of the two screw nuts; and a plurality of balls located inside the spiral path or the circulatory passage and keeping rolling while moving.
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