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1. 发明授权

US06763918B1 Actuator having compact gear reduction 失效
标题翻译：执行器具有紧凑的齿轮减速
公开(公告)号：US06763918B1
公开(公告)日：2004-07-20
申请号：US09937776
申请日：2001-10-12
申请人： Hendrikus Jan Kapaan , Jacobus Zwarts , Simon Jan Broersen
发明人： Hendrikus Jan Kapaan , Jacobus Zwarts , Simon Jan Broersen
IPC分类号： F15D5508
CPC分类号： F16H25/2204 , F16D65/18 , F16D2125/40 , F16D2125/50 , F16D2125/582 , F16D2127/02 , F16H2025/2068 , F16H2025/2075 , F16H2025/2087
摘要： A screw actuator comprises a housing (1), a nut (A) and a screw (16) one of which is axially fixed with respect to the housing and the other of which is axially displaceable with respect to the housing for moving an actuating head, as well as a motor (2) which comprises a stator (6) connected to the housing, and a rotor (7). The rotor (7) of the motor is supported rotatably on a sleeve (8), said sleeve has an inwardly directed flange (21), which carries an excentric hub (23). The excentric hub (23) rotatably supports a gear wheel (24) through bearing (30), the outer teeth of which gear wheel (24) engage the inwardly directed teeth of the ring gear (25). The ring gear (25) is driving screw (16) which is rotatably supported in the housing (1). The nut (17) of the screw mechanism (4) is slidably, but not rotatably with respect to the housing. Through the screwthreads (18, 19) and balls (20), the rotary motion of the screw (16) is converted into a linear motion of the nut (17), which is contained in a cylinder space (32) in the housing (1).
摘要翻译：螺杆致动器包括壳体（1），螺母（A）和螺钉（16），螺钉（A）和螺钉（16）中的一个相对于壳体轴向固定，另一个可相对于壳体轴向移动，用于移动致动头，以及包括连接到壳体的定子（6）和转子（7）的电动机（2）。马达的转子（7）可旋转地支撑在套筒（8）上，所述套筒具有向内指向的凸缘（21），该凸缘承载偏心毂（23）。偏心轮毂（23）通过轴承（30）可旋转地支撑齿轮（24），齿轮（24）的外齿与齿圈（25）的向内指向的齿啮合。齿圈（25）是可旋转地支撑在壳体（1）中的驱动螺杆（16）。螺钉机构（4）的螺母（17）可滑动地，但不能相对于壳体旋转。通过螺纹（18,19）和球（20），螺杆（16）的旋转运动被转换成螺母（17）的直线运动，螺母（17）被容纳在壳体中的气缸空间（32）中 1）。

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