发明名称 Feeding device for feeding a wire in a rock bolting equipment
摘要 The feeding device comprises two pairs of feed wheels (2a, 2b; 3a, 3b) between which the wire (7) is made to pass. One feed wheel (2b, 3b) of each pair is connected to a separate bogie frame (4) that is pressed towards the other feed wheels (2a, 3a) with a loading means (6) that is most preferably a pressure medium cylinder connected directly to the bogie frame (4).
申请公布号 ZA9803143(B) 申请公布日期 1998.10.22
申请号 ZA19980003143 申请日期 1998.04.15
申请人 TAMROCK OY 发明人 OSSI TIENARI;MARKKU LAUNIEMI;VESA PELTONEN
分类号 E21D20/00;E21D21/00 主分类号 E21D20/00
代理机构 代理人
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