Electric actuator
    3.
    发明授权
    Electric actuator 有权
    电动执行器

    公开(公告)号:US09273766B2

    公开(公告)日:2016-03-01

    申请号:US13726045

    申请日:2012-12-22

    申请人: Tatsunori Shimizu

    发明人: Tatsunori Shimizu

    摘要: An electric actuator has a housing with an electric motor mounted on the housing (2). A ball screw mechanism converts rotational motion of the electric motor to an axial linear motion of a drive shaft. A side-cover (13) is detachably mounted to the housing (2). A guide member (14) is mounted on the inner wall of the side-cover (13). The guide member (14) has a substantially “C”-shaped cross-section and includes a recessed groove (14a) axially extending opposite to the drive shaft (7). A rotation-preventing pin (9), mounted on the outer circumference of the threaded screw shaft (15), engages with the guide member (14) to support the threaded screw shaft (15) so that it can be axially moved relative to the housing (2) but cannot be rotated.

    摘要翻译: 电动致动器具有安装在壳体(2)上的电动机壳体。 滚珠丝杠机构将电动机的旋转运动转换成驱动轴的轴向直线运动。 侧盖(13)可拆卸地安装到壳体(2)上。 引导构件(14)安装在侧盖(13)的内壁上。 引导构件(14)具有基本上“C”形的横截面,并且包括与驱动轴(7)相对轴向延伸的凹槽(14a)。 安装在螺纹轴(15)的外圆周上的防旋转销(9)与引导构件(14)接合以支撑螺纹螺纹轴(15),使得其可相对于螺纹轴 外壳(2),但不能旋转。

    Electric actuator
    4.
    发明授权
    Electric actuator 有权
    电动执行器

    公开(公告)号:US08650977B2

    公开(公告)日:2014-02-18

    申请号:US13478475

    申请日:2012-05-23

    IPC分类号: F16H25/20

    摘要: An electric actuator has a housing (2), an electric motor (3), a speed reduction mechanism (6), a ball screw mechanism (8) and a rotation sensor (9). The ball screw mechanism (8) has a screw thread shaft (23) that moves axially but cannot rotate relative to the housing (8). A nut (24) is inserted over the screw thread shaft (23) and can rotate relative to the housing (2), via a rolling bearing (11), mounted on the housing (2), but cannot move axially. A swing link (13) is arranged to perform the pendulum motion interlocked with the linear motion of the driving shaft (7). A magnet (18) is mounted on the end of a pivotal shaft (17) to form the reference point of the pendulum motion. The position of the driving shaft (7) is detected by the rotation sensor (9) arranged opposite to the magnet (18) via a predetermined air gap.

    摘要翻译: 电动执行器具有壳体(2),电动机(3),减速机构(6),滚珠丝杠机构(8)和旋转传感器(9)。 滚珠丝杠机构(8)具有轴向移动但不能相对于壳体(8)旋转的螺纹轴(23)。 螺母(24)插入到螺纹轴(23)上方并且可以通过安装在壳体(2)上的滚动轴承(11)相对于壳体(2)旋转,但不能轴向移动。 摆动连杆(13)布置成执行与驱动轴(7)的直线运动互锁的摆动运动。 磁体(18)安装在枢转轴(17)的端部上,以形成摆动运动的参考点。 驱动轴(7)的位置由经由预定气隙与磁体(18)相对设置的旋转传感器(9)检测。

    Electric Actuator
    5.
    发明申请
    Electric Actuator 有权
    电动执行器

    公开(公告)号:US20120227524A1

    公开(公告)日:2012-09-13

    申请号:US13478475

    申请日:2012-05-23

    IPC分类号: F16H25/22

    摘要: An electric actuator has a housing (2), an electric motor (3), a speed reduction mechanism (6), a ball screw mechanism (8) and a rotation sensor (9). The ball screw mechanism (8) has a screw thread shaft (23) that moves axially but cannot rotate relative to the housing (8). A nut (24) is inserted over the screw thread shaft (23) and can rotate relative to the housing (2), via a rolling bearing (11), mounted on the housing (2), but cannot move axially. A swing link (13) is arranged to perform the pendulum motion interlocked with the linear motion of the driving shaft (7). A magnet (18) is mounted on the end of a pivotal shaft (17) to form the reference point of the pendulum motion. The position of the driving shaft (7) is detected by the rotation sensor (9) arranged opposite to the magnet (18) via a predetermined air gap.

    摘要翻译: 电动执行器具有壳体(2),电动机(3),减速机构(6),滚珠丝杠机构(8)和旋转传感器(9)。 滚珠丝杠机构(8)具有轴向移动但不能相对于壳体(8)旋转的螺纹轴(23)。 螺母(24)插入到螺纹轴(23)上方并且可以通过安装在壳体(2)上的滚动轴承(11)相对于壳体(2)旋转,但不能轴向移动。 摆动连杆(13)布置成执行与驱动轴(7)的直线运动互锁的摆动运动。 磁体(18)安装在枢转轴(17)的端部上,以形成摆动运动的参考点。 驱动轴(7)的位置由经由预定气隙与磁体(18)相对设置的旋转传感器(9)检测。