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1. 发明授权

US07934428B2 Residual torque analyzer 有权
标题翻译：残余扭矩分析仪
公开(公告)号：US07934428B2
公开(公告)日：2011-05-03
申请号：US12235263
申请日：2008-09-22
申请人： James P. Schultz , Franklin I. Skog , David A. Tait , Steven D. Erickson , Cecil H. Nelson
发明人： James P. Schultz , Franklin I. Skog , David A. Tait , Steven D. Erickson , Cecil H. Nelson
IPC分类号： F16B31/02
CPC分类号： B25B23/14 , B25B23/1425
摘要： A system for detecting fastener movement and measuring a residual torque in a fastener joint, including a device for applying torque to a stationary fastener in a tightened state and measuring torque and angle of rotation. The device includes a sensing system that has a gyroscope that provides a signal corresponding to the angle of rotation of the device as it applies torque to the fastener, and a torque transducer that provides a signal corresponding to the torque applied to the fastener by the device. The device also includes a computing unit in communication with the sensing system and adapted to receive the signal corresponding to an angle of rotation of the device and the signal corresponding to the torque applied to the fastener, and determine a torque at a moment of initial movement of the fastener.
摘要翻译：一种用于检测紧固件移动并测量紧固件接头中的残余扭矩的系统，包括用于以紧固状态向固定紧固件施加扭矩并测量扭矩和旋转角度的装置。该装置包括传感系统，其具有陀螺仪，该陀螺仪在向扭矩施加扭矩的同时提供对应于装置的旋转角度的信号;以及扭矩传感器，其提供对应于由装置施加到紧固件的扭矩的信号。该装置还包括与感测系统通信并且适于接收对应于装置的旋转角度的信号和对应于施加到紧固件的扭矩的信号的计算单元，并且确定初始移动时刻的扭矩的紧固件。

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