CZ-22型钢绳冲击式钻机改型探讨

Reformation of the CZ 22 cable drill

本文论述了ＣＺ—２２型钢绳冲击式钻机改进的必要性及其在施工中出现的主要问题和原因分析、改型方案的确定和论证，ＣＺ—２２型与ＣＺ—２２Ａ型钻机的主要区别、改型机方案的实施、效果评价和论证。

The necessity of improvement of the CZ-22 cable drill,the major problems having happened during its working and the analysis of their causes,and the determination and demonstration of the reformation scheme are elucidated. The main differences between CZ-22 drill and CZ-22A drill,the implementation of reformation scheme,the evaluation of results and the conclusion are pointed out.