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公开(公告)号:US3747982A
公开(公告)日:1973-07-24
申请号:US3747982D
申请日:1971-06-28
IPC分类号: E21C35/187 , E21C35/23 , E21C35/22
CPC分类号: E21C35/23 , E21C35/187
摘要: A rotary cutter head for a mineral mining machine, has a hub for mounting on a driven machine shaft, a drum secured around the hub and cutter tool holders secured around the drum, the head being provided with a plurality of angularly arranged chambers for dust suppression fluid, each extending axially along the inner periphery of the drum and arranged to feed fluid from a distribution unit adjacent to the hub towards the cutting zone of the head.
摘要翻译: 用于矿用挖掘机的旋转刀头具有用于安装在从动机器轴上的轮毂,围绕轮毂固定的鼓轮和固定在滚筒周围的刀具保持架,头部设置有多个用于防尘的角度布置的腔室 流体,每个流体沿着滚筒的内周边轴向延伸,并且布置成将流体从与毂的相邻的分配单元朝向头部的切割区域供给。