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    • 5. 发明授权
    • Crushing device in a crusher of an earthmover for crushing chunks of concrete into fine pieces
    • 破碎装置在破碎机的破碎机中,将混凝土块破碎成细碎片
    • US06499681B1
    • 2002-12-31
    • US09704748
    • 2000-11-03
    • Mitsuru Maruyama
    • Mitsuru Maruyama
    • B02C200
    • B02C18/12B02C19/22B02C2201/02E02F3/407E02F7/06
    • A crushing device in a crusher includes a bucket-shaped body frame; plural ring members provided in the body frame in such a manner as to form steps at predetermined spaced intervals while diminishing their sizes gradually from the upper position toward the lower position, thereby to form a sieve with gaps as a whole; a teeth plate provided at the bottom portion of the sieve and having recessed teeth and protrusive teeth alternately formed on the inner surface thereof; a crushing shaft provided at a central portion of the body frame; and an inclined screw belt member mounted on the crushing shaft, for crushing pieces of concrete on the teeth plate in combination with the teeth plate.
    • 破碎机中的破碎装置包括桶形主体框架; 多个环形构件设置在主体框架中,以便以预定间隔的间隔形成台阶,同时将其尺寸从上部位置向下位置逐渐减小,从而形成整体上具有间隙的筛子; 设置在筛底部的齿板,其内表面上交替形成有凹齿和突出齿; 设置在所述主体框架的中央部的破碎轴; 以及安装在所述破碎轴上的倾斜螺旋带部件,用于与所述齿板一起粉碎所述齿板上的混凝土块。