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1. 发明申请

WO03029601A2 PERCUSSIVE ROTATIONAL IMPACT HAMMER 审中-公开
标题翻译： PERCUSSIVE旋转冲击锤
公开(公告)号：WO03029601A2
公开(公告)日：2003-04-10
申请号：PCT/US0230949
申请日：2002-09-28
申请人： BECCU RAINER SEBASTIANO
发明人： BECCU RAINER SEBASTIANO
IPC分类号： B25B19/00 , B25B21/02 , B25D15/00 , B25D15/02 , E21B4/14 , E21B
CPC分类号： B25B19/00 , B25B21/02 , E21B4/14
摘要： A percussive rotational impact hammer assembly for creating high torques. A generally cylindrical piston rotatably mounted on a hammer inside an outer casing oscillates on the hammer and strikes an impact surface on the hammer. The piston and housing have pressurized fluid ports and passageways for conducting pressurized fluid to alternately load an impact- driving chamber and return chamber. The piston is accelerated against the impact surface and the kinetic energy of the piston is transmitted to the hammer transmitting the rotational movement to a member engaged with the hammer, such as a drill bit or other member. The rotational impact hammer assembly can be adapted for use in a downhole hammer, in break out tongs for drill pipe, in wrenches for loosening or tightening nuts and bolts, or in other mechanical devices where high torque is desired.
摘要翻译：用于产生高转矩的冲击式旋转冲击锤组件。可旋转地安装在外壳内的锤子上的大致圆柱形的活塞在锤上摆动并撞击锤上的冲击表面。活塞和壳体具有加压流体端口和通道，用于传导加压流体以交替地装载冲击驱动室和返回室。活塞相对于冲击表面加速，并且活塞的动能被传递到锤将传递旋转运动传递到与锤子（例如钻头或其它构件）接合的构件。旋转冲击锤组件可以适用于井下锤，用于钻杆的分接钳，用于松动或紧固螺母和螺栓的扳手中，或者在需要高扭矩的其它机械装置中。

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