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我矿生产用的一台主机是70年代沈重产的1200×1500型三段启动颚式破碎机。长期以来存在如下问题:(1)每天起动一次较麻烦、费时间,特别是冬季;(2)主轴的液压高合器摩擦片磨损快、故障多,每季度一检修,一年更换一次摩擦片;(3)由于液压部分密封件不用用,密封不好,摩
One of the main machines I used for mine production was the heavy-duty 1200 × 1500 three-stage starting jaw crusher produced in the 1970s. For a long time there are the following problems: (1) start a day more trouble, take time, especially in winter; (2) the main shaft of the hydraulic clutch friction plate wear fast, more failures, one quarterly maintenance, ; (3) As the hydraulic part of the seal does not use, bad seal, friction