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发明名称
中齿型球钻
摘要
本实用新型涉及一种凿岩机用球齿钎头,该钎头有突出的中齿、及对准合金齿冲击部位的三个水孔,有两边齿协助中齿破岩;裤体上部有合金齿加强筋,锥型过渡排粉槽。该钎头比一字型、型、三刃型节省合金30%—50%,速度提高20%—40%,寿命硬岩提高30%—60%,软岩提高20%—40%;该设计比现有三齿、四齿球齿钎头速度更快、寿命更长。故此钎头具勿需修磨设备、节省合金、速度快、寿命长、钎杆受力平稳而延长其使用寿命、粉尘低、不卡钻、爆破效果好等优秀性能。
申请公布号
CN2068578U
申请公布日期
1991.01.02
申请号
CN90203701.3
申请日期
1990.03.23
申请人
康定富
发明人
康定富
分类号
E21B10/46
主分类号
E21B10/46
代理机构
代理人
主权项
1、凿岩机用之球齿钎头,它由三颗柱齿,裤体构成,裤体上有水孔、排渣槽、合金齿加强筋等,其特征在于:该钎头有三个水孔,且中齿齿根比边齿齿根高8-15mm,中齿中轴偏离裤体中轴4-12mm。
地址
635600四川省南江县城关镇人民政府
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