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    • 10. 发明公开
    • HAMMER TOOL
    • HAMMERWERKZEUG
    • EP2153942A1
    • 2010-02-17
    • EP08764616.2
    • 2008-05-23
    • Max Co., Ltd.
    • KATOU, KoujiHAMANO, TerufumiOTSUKA, YoshitakaTERANISHI, AkiraSAKAMAKI, Kazuya
    • B25D11/04
    • B25D11/005B25D2211/061B25D2250/201B25D2250/221
    • A hammering tool includes, within its tool main body 1, a piston 2 which reciprocates by using a motor 7 as its drive force, a hammering member 3 which carries out its hammering operation in linking with the reciprocating motion of the piston 2, and an intermediate member 4 which transmits a hammering force of the hammering member 3 to a top end tool 5 mounted on the top end of the tool main body 1. The tool main body 1 further includes a measuring device 13 which measures a hammering state of the hammering member 3 and a control device 14 which controls the number of rotations of the motor 7. The control device 14, according to measurement results of the measuring device 13, determines the limit number of times of hammering where the hammering member 3 becomes unable to follow the reciprocating motion of the piston 2, and thus controls the number of rotations of the motor 7.
    • 锤击工具在其工具主体1的内部具有通过使用马达7作为其驱动力往复运动的活塞2,与活塞2的往复运动连动的锤击操作的锤击构件3, 中间构件4,其将锤击构件3的锤击力传递到安装在工具主体1的顶端上的顶端工具5.工具主体1还包括测量装置13,该测量装置13测量锤击的锤击状态 控制装置14根据测量装置13的测量结果确定锤击构件3不能跟随的极限次数 活塞2的往复运动,从而控制马达7的转数。