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    • 5. 发明公开
    • 석탄 및 암석 절삭용 피크
    • 석탄및암석절삭용피크
    • KR1020030024798A
    • 2003-03-26
    • KR1020037000829
    • 2001-08-07
    • 에이쥐이 마이닝 서비시즈 피티와이 엘티디
    • 데이우드알버트데니엘
    • E21C35/18
    • E21C35/18E21C35/19E21C2035/1816E21C2035/1826
    • The pick ( 1 ) includes a radially inner end ( 4 ) and a shank ( 3 ) to be fixed to the drum ( 10 ) to substantially prevent relative movement between the pick ( 1 ) and drum ( 10 ). The pick ( 1 ) further includes a cutting head ( 2 ) having leading ( 5 ) and trailing faces ( 6 ) intersecting to provide a cutting edge ( 8 ) to extend generally parallel to an axis. The leading face ( 5 ) in use is inclined by an acute rake angle R to a radius of the axis, with the trailing face ( 6 ) being inclined at an acute back clearance angle B to a plane passing through the edge ( 8 ) and normal to the radius. The leading face ( 5 ) and trailing face ( 6 ) being inclined by an acute angle and the shanks when fixed to the drum ( 10 ) extends at an acute angle to the radius.
    • 镐(1)包括径向内端(4)和待固定到滚筒(10)以基本上防止镐(1)和滚筒(10)之间的相对移动的柄部(3)。 镐(1)还包括具有前部(5)和后部(6)的切割头(2),所述切割头相交以提供切割边缘(8)以大致平行于轴线延伸。 使用中的前导面(5)以锐角的前角R倾斜至轴线的半径,其中后面(6)以锐的后退间隙角B向通过边缘(8)的平面倾斜,以及 垂直于半径。 前表面(5)和后表面(6)以锐角倾斜,并且当固定到鼓(10)上时,柄部以锐角延伸到半径。
    • 8. 发明公开
    • 치즐 홀더
    • CHISEL HOLDER
    • KR1020070086512A
    • 2007-08-27
    • KR1020077014118
    • 2005-10-08
    • 비르트겐 게엠베하
    • 홀베른트테베스귄터
    • E21C35/18
    • E21C35/18
    • The invention relates to a chisel holder for a road milling machine or similar, comprising a base part (10) which bears a retaining shoulder (30), wherein said shoulder (30) comprises a chisel receiving element (31) and wherein a projection (15) is joined to the base part (10) in the direction of advancement of the chisel holder upstream from the retaining shoulder. In order to improve cutting performance, particularly when the elements that are to be milled exist in the form of large chips, the base part (10) is provided with a connecting section which is embodied as a chip breaker and which is formed on the base part (10) and which extends, from the retaining shoulder (30) onwards, over the projection (15) in at least partial manner.
    • 本发明涉及一种用于道路铣床或类似物的凿子保持器,其包括具有保持肩部(30)的基部(10),其中所述肩部(30)包括凿子接收元件(31),并且其中突出部 15)沿着从保持肩部的上游侧的凿子保持器的前进方向与基部(10)接合。 为了提高切削性能,特别是当要研磨的元件以大芯片的形式存在时,基部(10)设置有连接部,该连接部被实施为断屑器,并且形成在基座 部分(10)并且从保持肩部(30)向前以至少部分方式在突出部(15)上延伸。