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2. 发明申请

WO2010109072A1 PERCUSSION DEVICE 审中-公开
标题翻译：冲击装置
公开(公告)号：WO2010109072A1
公开(公告)日：2010-09-30
申请号：PCT/FI2010/050230
申请日：2010-03-24
申请人： SANDVIK MINING AND CONSTRUCTION OY , KESKINIVA, Markku , ESKO, Mauri , PIISPANEN, Juha , BEIERER, Philipp , HEDLUND, Juha
发明人： KESKINIVA, Markku , ESKO, Mauri , PIISPANEN, Juha , BEIERER, Philipp , HEDLUND, Juha
IPC分类号： B25D9/16
CPC分类号： B25D9/18 , B25D9/22
摘要： The invention relates to a percussion device, to which a too! (5) is mountable movable in its longitudinal direction relative to the frame (2) of the percussion device, the percussion device containing a work chamber (3) having a transmission piston (4) to compress the tool (5) suddenly by the pressure of the pressure fluid acting on the transmission piston (4) to generate a longitudinal stress pulse to the tool (5), inlet and outlet channels (7, 9) for conducting the pressure fluid to the percussion device and away from it and a control valve (8) for connecting the inlet and outlet channels (7, 9) to alternately conduct the pressure fluid to act on the transmission piston (4) and, correspondingly, to discharge the pressure fluid from the percussion device. The percussion device comprises a closure member (14) located in the pressure fluid channel (15) between the control valve (8) and transmission piston (4) and mounted movable along the pressure fluid flow, and it has a mechanical lϊmiter for limiting the length of movement of the closure member (14) so that when the closure member (14) stops at the limiter, it at the same time cuts off the pressure fluid flow in it from the control valve (8) toward the transmission piston (4).
摘要翻译：本发明涉及一种打击乐器，也是一种打击乐器（5）能够相对于冲击装置的框架（2）在其纵向方向上移动，该冲击装置包含具有传动活塞（4）的工作室（3），以便通过压力突然压缩工具（5）作用在传动活塞（4）上的压力流体以产生对工具（5）的纵向应力脉冲，用于将压力流体传导到冲击装置并远离其的入口和出口通道（7,9）和控制用于连接入口和出口通道（7,9）的阀（8），以交替地传导压力流体作用在传动活塞（4）上，并相应地从冲击装置排出压力流体。冲击装置包括位于控制阀（8）和传动活塞（4）之间的压力流体通道（15）中并且可沿着压力流体流可移动安装的闭合构件（14），并且其具有用于限制关闭构件（14）的移动长度，使得当闭合构件（14）停止在限制器时，其同时将其中的压力流体流从控制阀（8）切换到传动活塞（4）。

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