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    • 101. 发明公开
    • ELECTRIC ACTUATOR
    • ELEKTRISCHESBETÄTIGUNGSGLIED
    • EP1865225A1
    • 2007-12-12
    • EP06730595.3
    • 2006-03-30
    • THK CO., LTD.
    • TERAMACHI, AkihiroMICHIOKA, HidekazuASO, ToshiyukiHORIIKE, Kazuya
    • F16H25/24H02K7/06
    • F16H25/2204F16H2025/204F16H2025/2075H02K7/06Y10T74/18032
    • An electric actuator is provided with a power transmission mechanism 15 capable of converting a rotating driving power supplied from an electric motor 10 to a reciprocating motion. This power transmission mechanism 15 is provided with a cylindrical member 25 formed, in its inner peripheral surface, with at least one row of rolling member rolling groove, a nut member 22 disposed to be reciprocally through the rolling members endlessly circulating in the inner peripheral surface of the cylindrical member, and a cylinder rod 27 operatively connected to an end portion of the nut member 22 to be axially movable with respect to the cylindrical member 25. The reciprocating motion of the nut member 22 in the axial direction is guided by the circular cylindrical member 25. According to such structure, high output and high controllability can be realized, as well as realizing of a compact electric actuator of a size similar to a conventional hydraulic cylinder.
    • 电动致动器设置有能够将从电动机10供给的旋转驱动力转换为往复运动的动力传递机构15。 该动力传递机构15具有在其内周面上形成有至少一排滚动部件滚动槽的圆筒部件25,螺母部件22,该螺母部件22被布置成往复地贯穿滚动部件,该滚动部件在内周面 以及可操作地连接到螺母构件22的端部以相对于圆柱形构件25可轴向移动的气缸杆27.螺母构件22在轴向方向上的往复运动由圆形构件 根据这种结构,可以实现高输出和高可控性,以及实现类似于常规液压缸的小型电动致动器。
    • 107. 发明公开
    • Linear actuator
    • Linearantrieb
    • EP1780873A1
    • 2007-05-02
    • EP06022131.4
    • 2006-10-23
    • Exlar Corporation
    • Everson, Victor AlvinZerull, William Joseph
    • H02K7/06F16H25/22F16D1/05
    • H02K7/06F16D1/05F16D1/0894F16H25/2252F16H2025/2075F16H2025/2081F16H2025/2096Y10T74/18576
    • A bi-directional linear actuator in which the threads of the drive member and its follower are not exposed and where all force bearing components are concentrically connected to a load is disclosed. The actuator includes an actuator assembly having an output cylinder, an input shaft, transmission rollers therebetween, a prime mover, and a housing assembly. The output cylinder of the actuator assembly is moved between retracted and extended positions by the prime mover. Rotation of the prime mover produces a corresponding rotation of the input shaft. The input shaft carries a plurality of transmission rollers about its circumference. The output cylinder includes an internally threaded bore. By inhibiting the rotation of the output cylinder, the engagement of the threads of the output cylinder with the transmission rollers provides a corresponding linear movement in the output cylinder along its longitudinal axis.
    • 公开了一种双向线性致动器,其中驱动构件及其从动件的螺纹不暴露,并且其中所有的力轴承部件同心地连接到负载。 致动器包括具有输出气缸,输入轴,它们之间的传动辊,原动机和壳体组件的致动器组件。 致动器组件的输出圆柱体由原动机在缩回位置和延伸位置之间移动。 原动机的旋转产生输入轴的相应旋转。 输入轴围绕其圆周承载多个传动辊。 输出圆筒包括内螺纹孔。 通过抑制输出气缸的旋转,输出气缸的螺纹与传动辊的接合在输出气缸中沿其纵向轴线提供相应的线性运动。
    • 109. 发明公开
    • Electrically driven linear actuator
    • Elektrischer Linearantrieb
    • EP1515415A3
    • 2006-11-02
    • EP04021261.5
    • 2004-09-08
    • NTN CORPORATION
    • Keisuke, Kazuno,
    • H02K7/06F16H25/20F16D3/223
    • H02K7/06F16D23/12F16D28/00F16D2023/123F16D2023/141F16H25/20F16H25/2454F16H2025/2075F16H2025/2081
    • According to the present invention there is provided an electrically driven linear actuator which is compact and does not require a complex electric control by providing a mechanical linear clutch on an output shaft of the actuator which can cut off the axial load. One preferable embodiment of the present invention is an electrically driven linear actuator comprising an electric motor (3) mounted on a housing (2); a nut (6) connected to a motor shaft (3a) of the motor (3) via a spur gear (4); the nut (6) being supported on the housing (2) rotatably and immovably in an axial direction, a ball screw (8) inserted in the nut (6) via a plurality of balls (7) not-rotatably and movably in an axial direction; an output shaft (15) connected to the screw shaft (8) in-line therewith via a transmitting pin (12); and a mechanical linear clutch (9) arranged at a region near the connection of the output shaft (15) to the screw shaft (8).
    • 根据本发明,提供一种电动线性致动器,它是紧凑的,并且不需要通过在致动器的输出轴上提供机械线性离合器来进行复杂的电气控制,这可以切断轴向负载。 本发明的一个优选实施例是一种电动线性致动器,其包括安装在壳体(2)上的电动机(3)。 通过正齿轮(4)连接到电动机(3)的电机轴(3a)的螺母(6); 所述螺母(6)沿轴向可旋转地并且不可移动地支撑在所述壳体(2)上;滚珠丝杠(8),其经由多个滚珠(7)以不可旋转和可移动的方式插入到所述螺母 方向; 经由传动销(12)与丝杠轴(8)连接的输出轴(15); 以及布置在输出轴(15)与螺纹轴(8)的连接处附近的区域的机械线性离合器(9)。
    • 110. 发明公开
    • Linearantrieb
    • 线性驱动器
    • EP1496600A3
    • 2006-10-11
    • EP04015931.1
    • 2004-07-07
    • Saia-Burgess Dresden GmbH
    • Flemming, DietmarHowack, Gerd
    • H02K7/06
    • H02K7/06
    • Die Erfindung betrifft einen Linearantrieb für Stellvorgänge zur Erzeugung translatorischer Vorschubbewegungen, der mindestens ein Gehäuse (11), Lagerschilde (5), die dieses Gehäuse (11) stirnseitig begrenzen, einen Stator (10), einen Rotor (2) mit einer axial angeordneten mit einem Außengewinde (3.1) ausgebildeten Rotorwelle (3), eine Gewindemutter und eine bewegliche Schraube/Spindel aufweist.
      Erfindungsgemäß ist vorgesehen, dass der Rotor (2) glockenförmig mit einer offenen Stirnseite (2.1) und einer geschlossenen Stirnseite (2.2) ausgebildet ist, und eine die Rotorwelle (3) mindestens teilweise einschließende und an der offenen Stirnseite (2.1) des Rotors (2) herausgeführte Stellstange (4) für die Linearbewegung vorgesehen ist. Dabei weist das im Rotor befindliche erste Ende (4.2) der Stellstange (4) eine passfähige auf der Rotorwelle (3) mit Außengewinde (3.1) aufsitzende Gewindemutter auf. Die Rotorwelle besitzt an ihren axialen Enden über beide Stirnseiten (2.1, 2.2) des glockenförmigen Rotors (2) hinaus reichende Gleitlagerzapfen (3.2), die jeweils in einem Gleitlager (6) geführt sind und die an oder innerhalb der Lagerschilde (5) platziert sind.
    • 本发明涉及一种线性致动器用于致动用于生产平移进给运动,所述至少一个壳体(11),支承板(5)限制,所述壳体(11)正面,一个定子(10),转子(2)具有轴向设置有 形成转子轴(3)的外螺纹(3.1),螺母和活动螺杆/主轴。 根据本发明,转子(2)具有开口端(2.1)和封闭端(2.2)的钟形形状,以及转子轴(3),其至少部分地包围转子(2)的开口端(2.1) )引出控制杆(4)用于直线运动。 在这种情况下,位于控制杆(4)的第一端(4.2)中的转子在转子轴(3)上具有适合于带有外螺纹(3.1)的螺纹螺母。 转子轴在其轴向由(2)延伸超出所述端部滑动轴承轴颈(3.2),其中在每种情况下的滑动轴承(6)的执行,并且上或内的支承板(5)被放置在钟形转子的两个端面(2.1,2.2)结束 ,