ELECTRIC LINEAR ACTUATOR

To improve responsiveness of an electric linear actuator.SOLUTION: An electric linear actuator according to an embodiment of the present invention comprises an outer cylinder, an electric motor attached to the outer cylinder, a ball screw for converting rotational motion outputted by the electric mo...

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Bibliographische Detailangaben
1. Verfasser:	MURAUCHI KAZUHIRO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERATION HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	To improve responsiveness of an electric linear actuator.SOLUTION: An electric linear actuator according to an embodiment of the present invention comprises an outer cylinder, an electric motor attached to the outer cylinder, a ball screw for converting rotational motion outputted by the electric motor into rectilinear motion in a predetermined direction, and a ball spline for transmitting only the rectilinear motion in the predetermined direction. The ball screw comprises a screw shaft connected to a shaft of the electric motor, and a first nut attached to the outer cylinder, and fitted to the screw shaft. The ball spline comprises a spline shaft connected to the first nut, and a second nut attached to the outer cylinder, and fitted to the spline shaft.SELECTED DRAWING: Figure 2 【課題】電動リニアアクチュエーターの応答性を向上させる。【解決手段】本発明の一実施形態によれば、外筒と、外筒に取り付けられた電動機と、電動機が出力する回転運動を所定方向の直線運動に変換するボールねじと、所定方向の直線運動のみを伝達するボールスプラインと、を備え、ボールねじが、電動機の軸に連結されたねじ軸と、外筒に取り付けられた、ねじ軸と嵌合する第１のナットと、を備え、ボールスプラインが、第１のナットに接続されたスプライン軸と、外筒に取り付けられた、スプライン軸と嵌合する第２のナットと、を備えた、電動リニアアクチュエーターが提供される。【選択図】図２