The invention discloses a multi-degree-of-freedom active compensation crane hydraulic system. The multi-degree-of-freedom active compensation crane hydraulic system comprises an oil tank, a main pump assembly, a rotary joint, a rotary balance valve group, a main arm variable-amplitude balance valve group, a folding arm variable-amplitude balance valve group and an oil inlet joint, the oil outlet end of the oil tank is communicated with the oil inlet end of the main pump assembly, the motor is connected with the main pump assembly, the main pump assembly comprises a first main pump, a second main pump and a control pump, and the oil outlet end of the oil tank is communicated with the oil inlet end of the first main pump, the oil inlet end of the second main pump and the oil inlet end of the control pump. The oil outlet end of a main pump is connected with the oil inlet end of the oil inlet unit M and the oil inlet end of the rotary unit B; according to the design, a displacement signal is transmitted to a controller integrated by a horizontal servo valve, the controller is used for Y-direction servo control and rapid movement along with a target, the servo valve group is swung, the controller is used for X-direction active compensation, the first-stage vertical telescopic servo valve group and the second-stage vertical telescopic servo valve group are used for Z-direction active compensation, and multi-degree-of-freedom movement grabbing is achieved.
一种多自由度主动补偿起重机液压系统,所述多自由度主动补偿起重机液压系统包括油箱、主泵组件、回转联、回转平衡阀组、主臂变幅平衡阀组、折臂变幅平衡阀组与进油联;所述油箱的出油端与主泵组件的进油端连通,电动机与主泵组件连接,所述主泵组件包括一主泵、二主泵与控制泵,油箱的出油端分别与一主泵的进油端、二主泵的进油端、控制泵的进油端连通,一主泵的出油端与进油联M的进油端、回转联B的进油端。本设计在将位移信号传递给水平伺服阀集成的控制器,用于Y方向伺服控制,跟随目标快速运动,摆动伺服阀组,用于X方向主动补偿,一级垂直伸缩伺服阀组、二级垂直伸缩伺服阀组,用于Z方向主动补偿,实现了多自由度上运动抓取。
Multi-degree-of-freedom active compensation crane hydraulic system
一种多自由度主动补偿起重机液压系统
2023-03-28
Patent
Electronic Resource
Chinese
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