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    • 1. 发明申请
    • HYDRAULIC DRIVE COMPRISING A STATIONARY PISTON FOR LIFTS
    • 与硬岩立式活塞液压驱动升降机
    • WO2005082766A3
    • 2006-06-22
    • PCT/DE2005000296
    • 2005-02-22
    • WIDMANN ANNAWIDMANN ROLAND
    • WIDMANN ANNAWIDMANN ROLAND
    • B66B9/04
    • B66B9/04
    • The invention relates to a hydraulic drive for lifts, wherein a piston rod (1) which protrudes on both sides (1) is mounted in a fixed manner and a cylinder (2) is mounted in a displaceable manner. Preferably, all of the devices, such as, a hydraulic unit (50), deviation rollers (45+46) and compensation and counter weights (9) are fixed directly onto the cylinder by means of receiving devices (7+8). As a result, a force-controlled system having a minimal oil reservoir and optimal thermal properties is produced, wherein all of the components work together in an advantageous manner, is very easy to install and a guiding element for the counter weight is no longer required.
    • 在用于在两侧上可用的电梯的液压驱动的活塞杆(1)被固定地安装,并在气缸(2)可移动地安装。 优选地,所有设备,例如,液压单元(50),转向辊(45 + 46),补偿和配重(9)的接收装置(7 + 8)中,直接安装在气缸上。 因此,用最少的贮油和最佳热特性的强制控制的系统可以实现,其中所有的部件有利地相互作用,是组装非常简单的,并且可以与用于配重的导向被分配。