美国一矿山设备公司积极开发自动化锚杆支护设备,新型的4头锚杆机就是其中一种。这种尺寸很大的4头锚杆机能同时安装4根锚杆,从而大大节省了时间。其最大优点是可在长壁开采区需运送大量材料的地方使用。新锚杆机均可选择一套标准尺寸的材料搬运系统,一个材料托盘可以在仓库中被装上桁架、托板、金属网等,然后带到工作面, A US mine equipment company actively develops automated bolt support equipment. The new 4-bolt machine is one of them. This large size 4-head bolting unit can also install 4 bolts at the same time, saving a lot of time. Its biggest advantage is that it can be used where a lot of material needs to be transported in the longwall area. New bolt machine can choose a standard size material handling system, a material tray can be loaded in the warehouse truss, pallet, metal mesh, etc., and then brought to the face,