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    • 4. 发明授权
    • Elevator with means for controlling upward and downward movement of cage
    • 电梯具有控制笼的向上和向下运动的装置
    • US5265701A
    • 1993-11-30
    • US848134
    • 1992-03-09
    • Tsuyoshi OgasawaraIchiro NakamuraHaruo WatanabeMasayuki ShigetaMasakatsu Tanaka
    • Tsuyoshi OgasawaraIchiro NakamuraHaruo WatanabeMasayuki ShigetaMasakatsu Tanaka
    • B66B11/08B66B1/32B66B5/18B66B11/04B66B1/24
    • B66B5/18B66B1/32
    • In an elevator, for controlling the upward and downward movement of a cage, a shoe is brought into and out of pressing contact with a drum or a disk of a brake by a combination of a spring and a hydraulic cylinder. The optimum braking force is determined in accordance with the inertial mass and the speed of the cage to be braked, and the fluid pressure is controlled to control the force of pressing of the shoe against the drum or the disk, so that the brake can always produce the optimum braking force. A controller for controlling the pressure of the hydraulic cylinder is operated by an emergency power source. The brake can be controlled with a high responsibility and its braking force can be controlled arbitrarily, and even in the event of a power failure, the brake can be operated by the emergency power source of a small-capacity. Therefore, in the normal condition, the cage can be held accurately in its stop position, and in the event of an emergency, the optimum braking force is produced in accordance with the load and the speed of the cage, and the shortest braking distance can be achieved with a small braking impact.
    • 在电梯中,为了控制保持架的向上和向下运动,通过弹簧和液压缸的组合,使鞋与鼓或制动盘的压力接触和脱离。 最佳制动力根据惯性质量和待制动保持架的速度来确定,并且控制流体压力以控制鞋抵靠滚筒或盘的压力,使制动器始终 产生最佳制动力。 用于控制液压缸的压力的控制器由应急电源操作。 可以高度责任地控制制动器,并且可以任意地控制其制动力,并且即使在停电的情况下,也可以通过小容量的应急电源来操作制动器。 因此,在通常情况下,保持架能够精确地保持在其停止位置,并且在紧急情况下,根据轿厢的负载和速度产生最佳制动力,并且最短的制动距离可以 可以实现小制动冲击。
    • 10. 发明授权
    • Elevator apparatus
    • 电梯装置
    • US5193651A
    • 1993-03-16
    • US757210
    • 1991-09-10
    • Masayuki ShigetaTadashi ShibataJun SugaharaToshihiko NaraKiyoyasu Mitsumori
    • Masayuki ShigetaTadashi ShibataJun SugaharaToshihiko NaraKiyoyasu Mitsumori
    • B66B11/02B66B1/06B66B7/04
    • B66B7/046B66B7/048
    • An elevator apparatus includes guide devices having guide members engaged with a pair of guide rails so as to guide a car along the guide rails in a manner to hold the car in a proper position. Each of the guide devices includes a resilient support member having a small spring constant supporting the guide member in such a manner that the guide member is movable in a direction perpendicular to a plane of the guide rail. An axis of suspension of the car is deviated from a position of a center of gravity of the car so as to cause a guide load, acting on a side surface of the guide rail via the guide member in a direction perpendicular to the plane of the guide rail, to have a deflected load acting on the guide rail in one direction. The guide device further includes an anti-deflected load generating device for generating an anti-deflected load in a direction to reduce a deflected load component of the guide load produced by the above deviation. With this arrangement, a lateral vibration of the car, which would be caused by an inherent bending of the guide rail, or a bending of the guide rail due to an error in installation of the guide rail or aging, is prevented.
    • 电梯设备包括具有与一对导轨接合的引导构件的引导装置,以便以将车辆保持在适当位置的方式沿着导轨引导轿厢。 每个引导装置包括弹性支撑构件,弹性支撑构件具有支撑导向构件的小弹簧常数,使得导向构件可在垂直于导轨平面的方向上移动。 轿厢的悬架轴线偏离轿厢重心的位置,从而引导作用在导轨的侧面上的导向载荷,该导向载荷沿垂直于 导轨,以沿一个方向具有作用在导轨上的偏转载荷。 引导装置还包括抗偏转负载产生装置,用于在减小由上述偏差产生的导向负载的偏转负载分量的方向上产生抗偏转负载。 通过这种布置,防止了由导轨的固有弯曲引起的轿厢的横向振动或由于导轨的安装错误导致的导轨的弯曲或老化。