德兴铜矿对2400×8000重型板式给矿机进行了改造，提高了设备完好率，减少了维修工作量和工人进入矿仓内维修的不安全因素。使该设备大修周期延长1．5～1．9倍。该机于1987年在德兴铜矿洒洲选厂投入生产。其结构由驱动部、转动键权部和托辊等组成（图1）。其中上托辊18组、中托 Dexing Copper Mine on 2400 × 8000 heavy plate feeder to be modified to improve the equipment intact rate and reduce the workload of maintenance and workers into the mine warehouse maintenance insecurity. Make the equipment overhaul cycle extended 1.5 to 1.9 times. This machine was put into production in 1987 at Dexing Copper Mine Sha Chau Select Factory. The structure consists of the drive part, turn the key part and roller and other components (Figure 1). One of the 18 sets of rollers, the care