产品详情
介<\/p>??1、用途
??在液压系统中,工程上常将某一执行机构的进回油路上相互控制,成对使用的两个液控单向阀组合在同一个阀体内,称之为双向锁。其可使执行机构在任意位置停止后,加以可靠的锁定作用,从而避免在各种因素影响下可能发生的位移。
??2、执行标准MT419——1995《液压支架用阀》
??3、工作原理
双向锁，包括阀体，开设在所述阀体内的阀腔，和开设在阀体上与阀腔相通的进、出液口；所述阀腔为水平贯穿阀体的通腔；在阀腔的中部密封滑动设置有截面为“十”形的双向顶杆；所述双向顶杆的左、右顶杆分别延伸到设置在阀腔内的左、右阀套内，在所述左、右阀套内分别设置有阀座；在阀腔左、右端口分别螺纹密封连接有开有凹腔的堵塞，在所述堵塞的凹腔内分别设置有阀芯和回位弹簧；所述进、出液口分为左进、出液口和右进、出液口；左、右进液口分别通过各自的流道与对应的左、右阀座侧的阀腔相通；本实用新型优点就在于板式阀体更便于阀体的拆装；将阀芯、阀座分别设置在所述阀套、堵塞凹腔内，板式的结构更加简单紧凑。
??4、使用说明
??①本阀实用于31.5MPA的主管路及支管路的液压系统中，工作介质为含5％乳化液和95％中性水混合而成的乳化液，可在10℃--50℃温度下正常工作，介质需要保持清洁，无杂质。采用0.125MM精度的过滤器及磁性过滤装置过滤
??②本阀在井下如需要检修时，应整体更换，不可在井下拆检，以防止赃物进入阀腔内
??5、故障分析及排除<\/div>
浙江乐清市神华矿业液压机械有限公司是一家专业生产煤矿用机械液压元件产品的企业,主要产品有平面截止阀、球形截止阀、液控单向阀、操纵阀，单向锁，双向锁，安全阀、过滤器、直通（变径）、三通（异径）、弯头、注液枪、三用阀,回油断路阀、喷雾阀、换向阀、管接头、堵头，管路配件及乳化泵配件等等.
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