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    • 6. 发明公开
    • 착암 드릴링 장치 및 이의 암형 및 수형 부품
    • 作为女性和男性部件的钻石设备
    • KR1020100016141A
    • 2010-02-12
    • KR1020097022902
    • 2008-05-28
    • 산드빅 인터렉츄얼 프로퍼티 에이비
    • 나바페테르
    • E21B17/042
    • E21B17/0426F16L15/06
    • The invention relates to a threaded joint for rock-drilling equipment of the type that includes female and male parts that are interconnected via threaded joints. The invention is particularly advantageous in connection with female parts (1) of the type that includes an internal trapezoidal thread in the form of a helix thread ridge, which is delimited by a top and two flanks (12a, 12b), a groove (13), having a bottom (14), running between two tops, and which thread ridge extends a plurality of turns between a front end and a rear end, the thread top touching an imaginary cylinder or cone that is concentric with a centre axis of the female part. According to the invention, the bottom (14) of the thread groove has a concave and partially circular cross-section shape along at least a part of the extension of the groove, and transforms into flanks via concave radius transitions (22), the radii (r2) of which decrease in the direction from the front end of the thread toward the rear one, at the same time as the radius (r1) of the groove bottom (14) increases in the same direction.
    • 本发明涉及一种用于这种类型的钻石设备的螺纹接头,其包括通过螺纹接头互连的阴部件和阳部件。 本发明特别有利于包括螺旋螺纹形式的内部梯形螺纹的类型的凹形部分(1),其由顶部和两个侧面(12a,12b),凹槽(13) ),具有在两个顶部之间延伸的底部(14),并且所述螺纹脊在前端和后端之间延伸多个匝,所述螺纹顶部接触与所述螺纹的中心轴同心的假想圆柱体或锥体 女性部分。 根据本发明,螺纹凹槽的底部(14)沿着凹槽的延伸部分的至少一部分具有凹形和部分圆形的横截面形状,并且经由凹入半径转变(22)变换成侧面,半径 (14)的半径(r1)向同一方向上升的同时,从螺纹的前端向后方向的方向(r2)减小。
    • 9. 发明授权
    • 지반 천공기의 더블 오거
    • KR102253498B1
    • 2021-05-18
    • KR1020190042532
    • 2019-04-11
    • 한국건설기술연구원정재웅
    • 이광우정재웅
    • E21B10/44E21B17/22E21B17/042
    • 본발명은하우징내부로흙이유입되는것을최소화한지반천공기의더블오거에관한것이다. 이러한본 발명에따른지반천공기의더블오거는본체와이 본체에설치되는리더와본체에구비된원치의구동에의해리더를타고승하강하며스크류를회전시키는기어박스와, 상기기어박스하부에위치하며원치의구동에의해리더를타고승하강하며커넥터에의해연결된케이싱을회전시키는더블오거를포함하여이루어진지반천공기에있어서, 상기더블오거는수용공간이구비되고상면과하면에스크류가통과하는제1 관통공과제2 관통공이형성된하우징과, 상기하우징좌우측에설치됨과더불어상기수용공간에위치하도록축에구동기어가형성된모터와, 제1 중공이구비되고상단은제1 관통공의테두리에근접하게위치하고하단은외부로노출하게형성되며상측외주연에구동기어와치합되는종동기어가구비되어모터구동시 회전하는회전체와, 제2 중공이구비되고상단은상기회전체의하단과연결되고외주연에일정간격을두고흙 배출공이형성되며, 하단은케이싱과연결되는연장부및 제3 중공이구비되고상단은상기회전체의제1 중공을통과하여하우징의상면에고정되고하단은흙 배출공을지나제2 중공의하부에위치하는커버링;을포함하여이루어지는것을특징으로한다.