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    • 92. 发明公开
    • HYDRAULISCHE STEUERVORRICHTUNG
    • EP1954949A1
    • 2008-08-13
    • EP06818465.4
    • 2006-11-10
    • Bosch Rexroth AG
    • KAUSS, Wolfgang
    • F15B11/16F15B11/028
    • F15B11/05F15B11/028F15B11/165F15B11/168F15B2211/20546F15B2211/253F15B2211/30535F15B2211/329F15B2211/55F15B2211/6054F15B2211/651F15B2211/654F15B2211/7052F15B2211/7053F15B2211/7135F15B2211/76
    • A hydraulic control device according to the invention is of load-sensing design and serves to actuate a first hydraulic load and a second hydraulic load. Also provided are a first control valve for actuating the first hydraulic load and a second control valve for actuating the second hydraulic load. A first load signal can be measured on the basis of a load pressure with which the first hydraulic load is acted on, and a second load signal can be measured on the basis of a load pressure with which the second hydraulic load is acted on. Pressure medium from a pressure medium source can be supplied in parallel to the first control valve and to the second control valve. A load signal path can, in order to actuate an adjusting element which is assigned to the pressure medium source, be acted on with a highest presently measured load signal. A limiting device allows the second load signal to be limited to a predefined signal limit value. A switching means can be actuated by means of the second load signal such that, at the latest when the second load signal reaches the signal limit value, the signal conveyed on the load signal path is limited by the limiting device.
    • 根据本发明的液压控制装置具有负载感应设计并用于致动第一液压负载和第二液压负载。 还提供了用于致动第一液压负载的第一控制阀和用于致动第二液压负载的第二控制阀。 第一负载信号可以基于第一液压负载作用于其上的负载压力来测量,并且第二负载信号可以基于第二液压负载作用于其上的负载压力来测量。 来自压力介质源的压力介质可以与第一控制阀和第二控制阀并联供应。 负载信号路径可以为了启动分配给压力介质源的调节元件而以当前测量的最高负载信号加载。 限制装置允许第二负载信号被限制到预定义的信号限制值。 借助于第二负载信号可以启动开关装置,使得最迟当第二负载信号达到信号极限值时,在负载信号路径上传送的信号受到限制装置的限制。