论文部分内容阅读
我们采掘分厂修理的AM-50型掘进机是20世纪80年代购进的设备,其主要的支撑连接部件左、右行走机构前部和回转台用8条M30×120的竖螺栓,10条M30×160的横螺栓紧固在一起,左、右行走机构后部与稳定器的连接各用8条M24×70的螺栓紧固,左、右2个行走减速器用上下各3条M20 × 50螺栓与左右机架紧固在一起。 由于设备已老化,在生产过程中掘进机振动较大,前后左右不断的挪动,上述各连接螺栓频繁发生松动、切断与滑扣现
AM-50 roadheader repaired by our excavation branch was bought in the 1980s. The main supporting front and back of the left and right running gear of the connecting part are 8 M30 × 120 vertical bolts and 10 M30 × 160 horizontal bolts together, the left and right of the rear of the walker and stabilizer connections each with eight M24 × 70 bolts fastening, left and right two walking reducer with the upper and lower of the three M20 × 50 Bolts are fastened to the left and right racks. As the equipment has been aging, boring machine in the production process larger vibration, around the constant movement, the frequent loosening of the connection bolts, cut off and the slider is