采煤机液压调高系统的改造设计  

Coal Minning Machine Hydraulic Pressure is Transferred the Reform Design of High System

作　　者：祁永红[1] 李耀东[1] 

机构地区：[1]皖北煤电集团公司机械总厂,安徽淮北235154

出　　处：《煤炭技术》2008年第1期21-22,共2页Coal Technology

摘　　要：通过对采煤机液压调高系统工作过程的分析,找出了采煤机滚筒下降过程中产生回液脉冲现象的原因,提出了在采煤机液压调高系统中增加单向节流阀的改造设计方案,并对其应用及收益进行预测。This text is by way of the analysis to the high system work course of coal-winnlng machine hydraulic pressure accent, has looked for out the coal-winning machine roller to descend to in the course giving rise to back the cause of liquid pulse appearance, and has put forward in the coal-winning machine hydraulic pressure high system of accent the transformation design scheme of increase one - way throttle valve, and to his applica- tion and the income is calculate.

关 键 词：采煤机 液压调高系统 单向节流阀 改造设计 

分 类 号：TD421.6[矿业工程—矿山机电]