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发明授权
CN101809849B 具有单个马达驱动系统的双动式伸缩线性致动器 失效 - 权利终止

具有单个马达驱动系统的双动式伸缩线性致动器
摘要：
本发明涉及一种用于使第一元件(10b)和第二元件(10a)相对于固定元件(102)移动的伸缩式线性致动器，该伸缩式线性致动器包括底座(101)，该底座用来与固定元件(102)相接附，并用作第一杆(106)的壳体，第一杆不能转动，但是能够通过与转动驱动装置(107)相连接的驱动轴(104)被平移驱动，第一杆用来通过一端(108)与要被移动的第一元件相接附，第一杆支承第二杆(117)，第二杆与第一杆连续配置并用来通过一端(118)与要被移动的第二元件相接附，所述第二杆不能转动，但是能够通过穿过底座并与转动驱动装置(113、111)相连接的第二驱动轴(112)被平移驱动，其特征在于，驱动所述杆(106、117)的装置包括能够驱动至少一个差动装置的输入轴的马达，所述差动装置一方面具有与第一或第二驱动轴之一相连接的第一输出轴，另一方面具有其本身与第二或第一驱动轴相连接的第二输出轴。
摘要（英）：

The present invention relates to a telescopic linear actuator for moving a first (10b) and a second (10a) element relative to a fixed element (102), comprising a base (101) intended to be attached to the fixed element (102) and acting as a housing for a first rod (106) that is prevented from rotating but able to be driven in a translational movement via a drive shaft (104) intended to be connected to rotational-drive means (107), the first rod being intended to be attached by one end (108) to the first element that is to be moved, the first rod supporting a second rod (117) positioned in the continuation of the former rod and intended to be attached by one end (118) to the second element that is to be moved, the said second rod being able to be prevented from rotating but driven in a translational movement via a second drive shaft (112) that passes through the base and is connected to rotational-drive means (113, 111), characterized in that the means of driving the rods (106, 117) comprise a motor capable of driving an input shaft with at least one differential, the said differential having, on the one hand, a first output shaft connected to one of the first or second drive shaftsand, on the other hand, a second output shaft for its part connected to the second or first drive shaft.

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