文章主要对煤炭车间传送机齿轮等各零件类型的失效形式及失效原因加以分析,并结合自身的有关经验和相关的技术指导,总结了一些系统避免或者是减少失效的补救方法和防护措施。文中的重点是以煤炭井下的传送机等机械作为重点,对常见的问题进行了深入的探讨,对于煤炭厂的其他场地的机械失效问题也具有一定的借鉴作用。 This paper mainly analyzes the failure modes and failure causes of all kinds of parts, such as gear of coal workshop conveyor, and sums up some remedies and protection measures to avoid or reduce failures in the light of relevant experience and relevant technical guidance. The paper focuses on the coal mine conveyor and other machinery as the focus of the common problems were discussed in depth, for other sites in the coal plant mechanical failure problem also has some reference.