汽车起重机SBBLDL25型负载传感电液比例控制多路阀  

Model SBBLDL25 Load Sensing Electro-hydraulic Proportional Control Multi-way Valve for Mobile Cranes

作　　者：王震山 

机构地区：[1]浙江圣邦科技有限公司

出　　处：《工程机械》2012年第1期6-12,94,共7页Construction Machinery and Equipment

摘　　要：分析讨论SBBLDL25型负载传感电液比例控制多路阀的技术参数和性能指标,着重描述该阀负载传感、压力补偿和比例方向阀系统,以及实现多个执行机构复合动作的核心控制技术,以详实图片讲述了该阀的结构和技术特征,该阀集成度很高且部件排列有序,构造复杂。电比例减压阀与该阀系统匹配是电液技术结合的关键点。该阀与电子操纵、微处理器、负载敏感变量泵有机组合成为可精确控制能量、易操纵的液压系统,以满足高端汽车起重机工况的复杂、环保和安全性要求。该多路阀已批量使用在QY60～70型汽车起重机上。The text analyzes and discusses technical parameter and performance indicators of model SBBLDL25 load sensing electro-hydraulic proportional control multi-way valve while emphasizing the description of the valve's load sensing, pressure compensation, proportional direction valve system, and the kernel control techniques to realize the compound functions of the multi activating mechanism. Detailed and actual diagrams and pictures are used to describe features of structure and technology of the valve which is integrated highly and whose components are arranged in order though its structure is so complicated. The key point of electro-hydraulic combination lies in the match-up of electric proportional pressure reduction valve with the valve system itself. The valve has to be further integrated mechanically with electronic controls, micro processors, loading sensitive variable pump, with a view to act as a precisely energy- controlled and easily operated hydraulic system, so as to satisfy the complicated working conditions, as well as the environmental and safety requirements. Such kind of multi-way valve has been used by model QY60～70 truck cranes in batch.

关 键 词：两片组合结构 负载感应系统 电比例减压阀 比例方向阀 负载压力补偿 

分 类 号：TH213.6[机械工程—机械制造及自动化]