公开(公告)号：US20110203822A1

公开(公告)日：2011-08-25

申请号：US12991424

申请日：2009-05-08

申请人： Tetsuhiro Harada ,  Tomomasa Nishikawa ,  Kazutaka Iwata ,  Shiniki Otsu ,  Nobuhiro Takano

发明人： Tetsuhiro Harada ,  Tomomasa Nishikawa ,  Kazutaka Iwata ,  Shiniki Otsu ,  Nobuhiro Takano

IPC分类号： B25B21/02 ,  B25B23/14

CPC分类号： B25B21/02 ,  B25B23/1405

摘要： According to an aspect of the invention, an oil pulse tool includes: a motor generating a driving force; an oil pulse unit including a shaft, the oil pulse unit being driven by the motor and generating an impact torque on the shaft when the motor passes an impact position; and an output shaft on which a front end tool is attached, the output shaft being fixed to the shaft, wherein the oil pulse tool is provided with a rotational position detecting sensor of detecting a rotational position of the output shaft, and a torque detecting sensor of detecting generation of an impact torque, and the oil pulse tool is provided with detecting means for measuring a state required for reversely rotating the motor by generating an impact, and regularly rotating again the motor and passing a position of generating the impact, and detecting a reduction in a performance of the oil pulse unit by an aging change of the state.

摘要翻译： 根据本发明的一个方面，油压脉冲工具包括：产生驱动力的电动机; 包括轴的油压脉冲单元，所述油压脉冲单元由所述电动机驱动并且当所述电动机通过冲击位置时在所述轴上产生冲击扭矩; 以及安装有前端工具的输出轴，所述输出轴固定在所述轴上，其中所述油压工具设置有检测所述输出轴的旋转位置的旋转位置检测传感器，以及转矩检测传感器 检测冲击转矩的产生，并且油压脉冲工具设置有检测装置，用于测量通过产生冲击来反转电动机所需的状态，并且再次定期地使电动机旋转并通过产生冲击的位置，并且检测 通过状态的老化变化降低油压脉冲单元的性能。

公开(公告)号：US08640789B2

公开(公告)日：2014-02-04

申请号：US12991415

申请日：2009-05-08

申请人： Tetsuhiro Harada ,  Tomomasa Nishikawa ,  Kazutaka Iwata ,  Shiniki Otsu ,  Nobuhiro Takano

发明人： Tetsuhiro Harada ,  Tomomasa Nishikawa ,  Kazutaka Iwata ,  Shiniki Otsu ,  Nobuhiro Takano

IPC分类号： B23Q5/20

CPC分类号： B25B21/02

摘要： According to an aspect of the invention, an oil pulse tool includes: a motor generating a driving force according to a driving voltage; an oil pulse unit driven by the driving force and generating a torque in a pulse-like shape when the motor passes a strike position on a shaft thereof; and an output shaft on which a front end tool is mounted, the output shaft being connected to the shaft, characterized in that the oil pulse tool further comprises driving adjusting means to control the driving voltage, the driving voltage is reduced during a given period including a timing when the torque is transmitted to the output shaft, and the reduced driving voltage is increased when the given period is finished.

摘要翻译： 根据本发明的一个方面，油压脉冲工具包括：电动机，根据驱动电压产生驱动力; 由驱动力驱动的油压脉冲单元，当马达通过其轴上的击打位置时产生脉冲状的扭矩; 以及输出轴，其上安装有前端工具，所述输出轴连接到所述轴，其特征在于，所述油压脉冲工具还包括用于控制所述驱动电压的驱动调节装置，在给定时段期间所述驱动电压减小，包括 当扭矩传递到输出轴的时刻，并且当给定的时间段结束时，降低的驱动电压增加。