一、直线振动筛的现状目前,我国各选煤厂广泛采用直线振动筛作脱水、脱介、脱泥和分级。这种筛子具有结构简单、维修方便、工作可靠、工艺指标较好等优点。但是,几年来的生产实践也证明,还普遍存在着振动器漏油,轴承发热,噪声比较大等缺陷。造成这些问题的原因,除了在设计、制造、安装、使用上有所不足之外,其主要原因是两个偏心轴采用齿轮传动造成的。由于振动筛的振次较高,所以齿轮的线速度也比 First, the status of linear shale At present, China’s coal preparation plant widely used linear dewatering for dewatering, removal, mud removal and grading. The sieve has the advantages of simple structure, convenient maintenance, reliable workmanship, good process index and the like. However, the past few years of production practice also proved that there is also widespread vibration shaker leakage, bearing fever, noise and other shortcomings. The reasons for these problems, in addition to the design, manufacture, installation, use of some deficiencies, the main reason is the use of two eccentric shaft gear drive caused. Due to the high vibrating screen vibration, so the gear linear velocity than