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    AIR HAMMER FOR A BORING MACHINE
    1.
    发明公开
    AIR HAMMER FOR A BORING MACHINE 有权
    LUFTHAMMERFÜREINE BOHRMASCHINE

    公开(公告)号：EP2518255A1

    公开(公告)日：2012-10-31

    申请号：EP09852620.5

    申请日：2009-12-22

    申请人： IN, Suk Sin

    发明人： IN, Suk Sin

    IPC分类号： E21B1/30 ,  E21B7/02

    CPC分类号： E21B4/14 ,  B25D9/00

    摘要： An air hammer for a boring machine is provided, including: a main body including a hollow portion; a socket coupled to a side of the main body; a first bushing member including a sealing part coupled to the main body and a piston guide part extending from the sealing part in parallel with a lengthwise central axis of the main body and defining an air supply passage and discharge holes in an outer surface thereof to communicate with the air supply passage; a second bushing member installed at an end on the opposite side of the main body; a bit unit installed at an end of the second bushing member; a piston hammer, top and bottom ends of which are supported by the guide part and the second bushing member so as to be moved up and down, the piston hammer having a guide hole formed therethrough in the lengthwise direction and partitioning a main body compartment between the first and second bushing members into first and second chambers; a pneumatic discharge part formed at the top end of the second bushing member to discharge air in the second chamber when the piston hammer is moved upward; and a pneumatic pressure distribution part formed on the piston hammer to selectively supply to the first or second chamber, in conjunction with the socket, the pneumatic pressure supplied through a pneumatic pressure supply passage and the discharge holes of the piston guide part of the first bushing member.

    摘要翻译： 提供了一种用于镗孔机的气锤，包括：主体，其包括中空部分; 耦合到所述主体的一侧的插座; 第一衬套构件，其包括联接到主体的密封部分和活塞引导部件，该活塞引导部件从密封部分平行于主体的纵向中心轴线延伸，并且在其外表面中限定出供气通道和排出孔以进行通信 与供气通道; 第二衬套构件，其安装在主体的相对侧的端部; 安装在所述第二衬套构件的端部的位单元; 活塞锤的顶端和底端由引导部分和第二衬套构件支撑以便上下移动，活塞锤具有沿长度方向穿过其形成的引导孔，并且在主体间隔室 第一和第二衬套构件进入第一和第二腔室; 气动排出部，其形成在所述第二衬套构件的顶端，用于当所述活塞锤向上移动时排出所述第二室中的空气; 以及气动压力分配部，形成在所述活塞锤上，以便与所述插座一起选择性地供应到所述第一或第二室，所述气动压力通过气动压力供应通道供应并且所述第一衬套的活塞引导部分的排出孔 会员。