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    • 9. 发明授权
    • Method for modernizing a hydraulic elevator
    • 液压电梯现代化方法
    • US09505585B2
    • 2016-11-29
    • US13917013
    • 2013-06-13
    • KONE CORPORATION
    • Markku HaapaniemiTapani Talonen
    • B66B1/24B66B5/00B66B5/02B66B9/04B66B19/00
    • B66B1/24B66B5/0031B66B5/028B66B9/04B66B19/007
    • A method for modernizing a hydraulic elevator including an elevator car guided by car guide rails for moving in an essentially vertical direction in the elevator hoistway, a hydraulic system including a lifting cylinder having a cylinder part essentially vertically supported on the base of the elevator hoistway and a piston rod moving in relation to the cylinder part and a hydraulic powerpack and a control center. The hydraulic system of the hydraulic elevator is modernized to include a function for preventing unintended starting at a floor, in such a way that the hydraulic powerpack is retained and an electrically-operating valve that is monitored with a control and that acts on the flow of hydraulic fluid of the lifting cylinder is added to the hydraulic system. The control controls a valve to prevent movement of the piston rod of the lifting cylinder downwards and/or upwards, if predetermined criteria are fulfilled.
    • 一种用于使包括由轿厢导轨引导的电梯轿厢在电梯井道中沿基本上垂直的方向移动的电梯的液压电梯的现代化方法,包括具有基本垂直地支撑在电梯井道的基座上的气缸部分的提升气缸的液压系统, 相对于气缸部分移动的活塞杆和液压动力单元以及控制中心。 液压升降机的液压系统现代化,包括防止意外启动在地板上的功能,使得保持液压动力组件和电动操作阀,该阀被控制并且作用于 提升缸的液压油被添加到液压系统中。 如果满足预定标准,控制器控制阀门以防止提升缸的活塞杆向下和/或向上移动。