颚式破碎至今已有140多年的历史，以其结构简单、性能可靠、制造容易与维修方便等特点延用至今。但也有一些不尽如意之处，常有用户结合自己的需要进行改造。赤城后沟金矿针对固定式颚板更换频繁、费工费时且浪费大量的金属材料的缺陷进行改造，代之以“子”“母”颚板，收到良 Jaw crusher has been more than 140 years of history, with its simple structure, reliable performance, ease of manufacture and maintenance features extended to date. But there are also some unsatisfactory place, often users with their own needs transformation. The Akagihougougou Gold Mine has been modified to address the defects of frequent replacement of fixed jaws, time-consuming and wasteful metal materials, and replacing them with “child” and “female” jaws.