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    • 10. 发明专利
    • Fluid pressure hammering device
    • 流体压力爆破装置
    • JP2013233595A
    • 2013-11-21
    • JP2010190618
    • 2010-08-27
    • Teisaku:Kk株式会社テイサク
    • HIROSE NORIO
    • B25D9/26
    • B25D9/04B25D9/12B25D9/18B25D9/20B25D9/26B25D2209/007
    • PROBLEM TO BE SOLVED: To provide a fluid pressure hammering device capable of automatically adjusting a stroke of a piston according to the quality of rock to be crushed.SOLUTION: A stroke-switching pilot hole (40) for removing high fluid pressure during hammering is provided in a reversal chamber (5), and a short stroke is switched to a long stroke by switching over a stroke switching valve (30) after a fluid is successively accumulated in an accumulator (32) provided in the stroke switching valve (30) by a fluid ejection valve (41) that operates by incurring the fluid pressure from the stroke-switching pilot hole (40).
    • 要解决的问题:提供一种能够根据待粉碎的岩石的质量来自动调整活塞行程的流体压力锤击装置。解决方案:用于在锤击期间去除高流体压力的行程切换导向孔(40) 设置在反转室(5)中,并且在流体连续地积存在设置在行程切换阀(30)中的蓄能器(32)中之后切换行程切换阀(30),将短行程切换到长行程, 通过引起来自行程切换导向孔(40)的流体压力进行操作的流体喷射阀(41)。