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近日,四川长江液压件有限责任公司“小型挖掘机多路阀”喜获国家发明专利。据了解,获国家发明专利的WJF14型多路阀,是长江液压为4~6t级全液压小型履带挖掘机开发的产品。该型多路阀采用片式结构,具有体积小,重量轻,结构紧凑和功能齐全等优点;拥有动臂合流、动臂优先、动臂保持以及和直线行走、独立回转等功能,可满足挖掘机操作需求,同时提高了多执行机构工作的稳定性、协调性和可靠性。
Recently, Sichuan Yangtze Hydraulic Co., Ltd. “small excavator multi-way valve ” won the national invention patent. It is understood that won the national invention patent WJF14-type multi-valve, the Yangtze River hydraulic 4 ~ 6t full hydraulic small track excavators developed products. This type of multi-way valve has the advantages of chip structure, small size, light weight, compact structure and complete functions. It has such functions as boom confluence, boom priority, boom hold, and straight walking and independent turning, Machine operation requirements while enhancing the stability, coordination and reliability of the work of the multi-enforcement agency.