80年代初，阳泉矿务局从法国沙吉姆（Sapem）公司引进SIRUS－400型采煤机。经过数十年的使用，效果比较理想，但也发现一些问题，为此对其作了一些必要的改进。一、采煤机整机特点1．写其它同类型采煤机相比，该系煤机机身较低且窄，过煤空间大，通过更换不同高度的机腿可以采 In the early 1980s, Yangquan Mining Bureau introduced the SIRUS-400 shearer from France’s Sapem. After decades of use, the effect is quite satisfactory, but some problems have also been found. To this end some necessary improvements have been made. First, shearer machine features 1. Compared to other types of coal shearer write, the coal body lower and narrow fuselage, a large coal space, by replacing the legs of different heights can be taken