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    • 82. 发明公开
    • An apparatus for restricting the velocity of a hydraulic piston at its end positions
    • 一种用于在其端部的位置的节流的液压活塞的速度的设备。
    • EP0016896A2
    • 1980-10-15
    • EP79850113.6
    • 1979-12-20
    • Akermans Verkstad AB
    • Olofsson, Bertil Ragnar
    • F15B15/22
    • F15B11/048F15B2211/30525F15B2211/325F15B2211/329F15B2211/35F15B2211/6355F15B2211/755
    • An apparatus for restricting the velocity of movement of the piston (13) in a servo-controlled hydraulic working cylinder (12), when the piston approaches at least its one end position in the cylinder, by means of a hydraulic sensor (20, 21) secured on one of the machine parts which are shifted with respect to each other by means of the hydraulic working cylinder (12). The hydraulic sensor is coupled via a non-return valve (24) to the servo-circuit. When the piston (13) of the hydraulic working cylinder (12) approaches its end position in the cylinder, the hydraulic sensor (20, 21) ist actuated by the second of the above-mentioned machine parts, whereby a pressure exceeding the servo-pressure is established in the cylinder of the hydraulic sensor (20, 21). A valve (23) senses the pressure difference between the servo-pressure and the pressure established by means of the hydraulic sensor (20, 21) and throttles the servo-flow to the main valve (14) of the hydraulic working cylinder (12), the main valve thereby throttling the pressure medium supply to the hydraulic working cylinder (12).
    • ,由液压传感器的装置,用于限制一个伺服控制操作液压单元的活塞,当活塞接近所述气缸中的至少其一个端部位置的运动速度的装置,固定地安装在机器部件中的一个的所有其 通过操作液压单元的方式相对于彼此偏移,并且通过止回阀给伺服电路的中间连接。 当操作液压单元的活塞接近所述气缸在其端部位置中,液压传感器由上述机器零件的第二,由此建立了液压传感器的汽缸超过伺服压力的压力致动 , 阀感测由所述液压传感器的装置来建立所述伺服压力和压力之间的压力差和节流的功率流,以操作液压单元的主阀在主阀从而节流压力介质供给到操作液压单元 ,
    • 83. 发明公开
    • Antriebsvorrichtung einer Linear-Einheit für Industrie-Roboter
    • Antriebsvorrichtung einer Linear-EinheitfürIndustrie-Roboter。
    • EP0009587A1
    • 1980-04-16
    • EP79103026.5
    • 1979-08-20
    • ROBITRON AG
    • Zingel, HeinzBrülisauer, Hans
    • B25J11/00F15B15/22
    • F15B15/22B25J9/144
    • Die Antriebsvorrichtung einer Linear-Einheit umfasst ein hydraulisches Kolben-Zylinder-System, dessen Zylinder (11) an seinem druckseitigen Ende eine mit Bremsflüssigkeit gefüllte Dämpfungskammer (14) bildet, welche über einen durch ein Rückschlagventil (20,21) verschlossenen Kanal (18,19) mit dem Strömungssystem (13,) der Antriebsflüssigkeit in Strömungsverbindung steht, wobei der Innenmantel der Dämpfungskammer (14) und der Aussenmantel des eingetauchten Endes (30) des Kolbens (10) einen Ringkanal (31) begrenzen, dessen Form und Grösse ein Mass für die Dämpfungskennlinien des Kolben-Zylinder-Systems ist. Dadurch ist eine sehr einfache, integrierte, baukastensystemgerechte Dämpfung erreicht.
    • 该单元包括液压活塞缸系统,其压力侧端部形成的气缸(11)形成阻尼室(14),该阻尼室填充有制动流体并与流体系统(13)流动连接 驱动流体经由由止回阀(20,21)封闭的通道(18,19),阻尼室(14)的内壳和活塞(10)的插入端(30)的外壳限定 环形通道(31),其形状和尺寸是活塞 - 气缸系统的阻尼特性的量度。 从而实现了适用于模块化系统的非常简单的整体式阻尼。
    • 89. 发明公开
    • ACTUATION DEVICE
    • EP4227543A1
    • 2023-08-16
    • EP22155964.4
    • 2022-02-09
    • MSD S.r.l.
    • GHIOTTI, AndreaFILIPPI, Stefano
    • F15B15/14F15B15/22
    • An actuation device (10, 110), of the type using magnetorheological fluid, which comprises at least the combination of:
      - a jacket (11, 111),
      - a tubular bushing (12, 112), which is internal to the jacket (11, 111) and is concentric thereto, electrical windings (13, 113) being present on the external wall of the bushing (12, 112), the jacket (11, 111) being closed at one end by an end plate (14, 114) and at the opposite end by a head (16, 116) which is perforated for the passage of
      - a first hollow stem (17, 117), adapted to protrude from the head (16, 116) by translating on
      - a second hollow stem (18, 118), which extends from the end plate (14, 114) inside the bushing (12, 112),
      - an annular element (19, 119), which is integral with the first hollow stem (17, 117) and translates with it inside the bushing (12, 112),
      - a first chamber (20, 120), adapted to contain the magnetorheological fluid,
      - a second chamber (21, 121), in fluidic connection with the first chamber (20, 120) by means of an interspace (22, 122) between the bushing (12, 112) and the jacket (11, 111),
      - a third volume compensation chamber (23, 123).