摘要
针对国内外现有全液压凿岩钻车的防卡方法所存在的问题，提出了一种新型Ａ，Ｂ阀防卡方法，并对由此而设计的防卡阀和防卡回路，在一次自动防卡工作循环全过程中的动态性能，进行了计算机数字仿真研究和试验研究．探索了几种旨在提高防卡反应快速性的途径．对防卡回路的设计和调试具有指导意义和实用价值．
In view of the existing defect of current anti-jamming means in internal and external all-hydraulic rock-drilling jumbo，this paper put forward a new kind of anti-jamming means inthe course of drilling rock，and developed the relative anti-jamming valve and hydraulic cir-cuit．Then，dynamic digital simulation and experiment research were brought to this new an-ti-jamming means．Finally，several kinds of methods to improve the anti-jamming speed in thecourse of drilling rock were raised．All these researches are of directional and practical valueto the design and experiment of anti-jamming circuit of all-hydraulic rock-drilling jumbo．
基金
中国有色金属工业总公司高校科研基金
关键词
液压控制系统
防卡阀
凿岩台车
all-hydraulic rock-drilling jumbo；hydraulic control system；anti-jammingmeans；anti-jamming valve
