关键词: 混凝土搅拌输送车, 搅拌筒, 罐体, 密封装置

Abstract: The backward condition of concrete providing in coal mine will be greatly improved through the use of coal mine-concrete mixer. The working principle and structure form of mine concrete mixer for domestic and foreign are summarized, the typical products both at home and abroad are enumerated and their features are introduced, the present situation and existing problems of the application and development of concrete mixer in domestic coal mining are analyzed, and the difficulties of concrete mixing drum damaging caused by vehicle stoppage and seal device avoiding maintaining are still existing and need to solve urgently, finally the future of economic and societal benefit which is brought by the coal mine concrete mixer is prospected.

Key words: coal mine, concrete mixer, summary