Earth auger head and excavation method
    1.
    发明授权
    Earth auger head and excavation method 失效
    地球螺旋桨头和挖掘方法

    公开(公告)号:US07555854B2

    公开(公告)日:2009-07-07

    申请号:US11947082

    申请日:2007-11-29

    申请人: Masaki Hatakeyama

    发明人: Masaki Hatakeyama

    IPC分类号: E02F3/10 E21B4/00

    摘要: It is an object of the present invention to provide a more efficient and economically superior earth auger head in which a percussive excavation mechanism part (down-the-hole hammer) is incorporated in order to break up portions that are unsuitable for rotary excavation by the auger, and an excavation method using this auger head. The auger head comprises a rotary excavation mechanism part (1) in which a spiral vane (12) used for earth discharge is provided to the circumferential surface of a rotary tubular part (11), and in which an excavating bit (13) whose outer circumferential side protrudes further downward than the central side is provided to the lower end of this spiral vane; and further comprises a pneumatic percussive excavation mechanism part (2) that is installed inside the rotary tubular part and is disposed so that a percussive body (23) is accommodated in a position that is higher than the lower tip end of the excavating bit. The rotary excavation mechanism part and percussive excavation mechanism part are each independently driven and controlled.

    摘要翻译: 本发明的目的是提供一种更有效和经济上优越的地球螺旋钻头,其中结合有冲击式挖掘机构部分(井下锤),以便分解不适于旋转挖掘的部分 螺旋钻和使用该螺旋钻头的挖掘方法。 螺旋钻头包括旋转挖掘机构部分(1),其中用于排放的螺旋叶片(12)设置在旋转管状部分(11)的圆周表面,并且其中外部的挖掘钻头(13) 在该螺旋叶片的下端设置有比中心侧更向下突出的周向侧; 并且还包括安装在所述旋转管状部内的气动冲击式挖掘机构部(2),所述气动冲击式挖掘机构部(2)配置成使冲击体(23)容纳在比所述挖掘钻头的下端部高的位置。 旋转挖掘机构部件和冲击式挖掘机构部件各自独立驱动和控制。

    Pneumatic impact imparting tool
    2.
    发明授权
    Pneumatic impact imparting tool 失效
    气动冲击赋予工具

    公开(公告)号:US4867250A

    公开(公告)日:1989-09-19

    申请号:US85773

    申请日:1987-08-17

    申请人: Akira Ono

    发明人: Akira Ono

    CPC分类号: E21B6/08 B25B21/02 B25B21/026

    摘要: An improved pneumatic impact imparting tool includes a follower which is slidably accommodated in a recess formed on the inner end part of a rotor in a pneumatic motor. The follower is formed with a projection for moving a ball around a cam face as it is rotated together with the rotor. When the ball reaches the peak of the cam face, the follower is displaced in the axial direction and enters a recess formed on the inner end part of an anvil and collides therein against stoppers formed in the recess. Thus, rotational movement of the rotor is transmitted to the anvil in the form of intermittent turning movement of the latter.

    摘要翻译: 改进的气动冲击赋予工具包括可滑动地容纳在气动马达中形成在转子的内端部上的凹部中的从动件。 随动件形成有用于随着与转子一起旋转而围绕凸轮面移动球的突起。 当球到达凸轮面的顶点时,从动件在轴向方向上移位并进入形成在砧座的内端部上的凹部,并与其形成在凹部中的塞子碰撞。 因此,转子的旋转运动以后者的间歇转动的形式传递到砧座。

    Rock drill
    4.
    发明授权
    Rock drill 失效
    岩石钻

    公开(公告)号:US3666024A

    公开(公告)日:1972-05-30

    申请号:US3666024D

    申请日:1970-07-29

    IPC分类号: E21B1/30 E21B6/08 B25D9/00

    CPC分类号: E21B6/08 E21C3/24

    摘要: A rock drill wherein a piston is the only moving hammer part and such piston is movable without independent valve means or the like.

    摘要翻译: 一种凿岩机,其中活塞是唯一的移动锤部件,并且这种活塞在没有独立的阀装置等的情况下是可移动的。

    ROCK DRILL
    10.
    发明申请
    ROCK DRILL 审中-公开
    岩石钻

    公开(公告)号:US20140144660A1

    公开(公告)日:2014-05-29

    申请号:US13819389

    申请日:2011-02-28

    IPC分类号: E21B44/06

    摘要: A rock drill including a first control valve (80), a first fluid circuit (70) suppliable with fluid via the first control valve (80), an impact piston (66) driveable by fluid pressure in the first fluid circuit, a plurality of first fluid circuit feedback paths (72) from the impact piston (66) to the control valve (80), a damping body (50) for damping backpressure from a rock face, a damping fluid chamber (52), associated with the damping body (50), characterised in a second fluid circuit (56) in fluid communication with the damping fluid chamber (52) and a stroke length control mechanism (91) actuable by fluid pressure in the second fluid circuit (56), wherein flow of fluid in said first fluid circuit feedback paths (72) is controllable by the stroke length control mechanism (91), whereby the driveable stroke length of said impact piston 66 may be adjusted.

    摘要翻译: 一种凿岩机,包括第一控制阀(80),通过第一控制阀(80)供应流体的第一流体回路(70),可由第一流体回路中的流体压力驱动的冲击活塞(66) 从冲击活塞(66)到控制阀(80)的第一流体回路反馈路径(72),用于阻尼从岩石表面反压的阻尼体(50),与阻尼体相关联的阻尼流体室(52) (50),其特征在于与所述阻尼流体室(52)流体连通的第二流体回路(56)和可由所述第二流体回路(56)中的流体压力致动的冲程长度控制机构(91),其中流体流 在所述第一流体回路中,反作用路径(72)由行程长度控制机构(91)控制,从而可以调节冲击活塞66的可驱动冲程长度。