Rotary cutting head with water supply,申请号US20030342964-传众专利搜索

Rotary cutting head with water supply

申请公布号：US6840585(B2)

申请号：US20030342964

申请日期：2003.01.15

申请公布日期：2005.01.11

申请人：

HYDRA MINING TOOLS INTERNATIONAL LTD

发明人：CLAPHAM WILLIAM STEPHEN;WARREN JOHN JOSEPH

分类号：E21C25/10;E21C35/23;(IPC1-7):E21C35/23

主分类号：E21C25/10

摘要：A rotary cutting head (1) for a mineral mining machine, comprises a drive shaft (5) carrying a central drum (4), and beyond each end of the central drum (4), an outer drum (2,3), each drum being provided with an array of pick boxes (7) to receive an individual pick (8), wherein the drive shaft (5) has a longitudinal bore (10) housing at least one water conveying tube (11), which together with a network of bores (25) enable a single water admission cartridge interposed between an outer end of one of the drums (2), and an end face plate (16) of that drum (2) to supply water to all three drums (2, 3, 4).