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    • 2. 发明授权
    • Power-driven, wedge-operated rock splitter
    • 动力驱动,楔形岩石分离器
    • US4474410A
    • 1984-10-02
    • US360364
    • 1982-03-22
    • Koji OgakiShigetake AkanumaYoshinori TakadaYoshitaka OjiroShigeru Harada
    • Koji OgakiShigetake AkanumaYoshinori TakadaYoshitaka OjiroShigeru Harada
    • B28D1/00B28D1/26E21C37/04
    • E21C37/04B28D1/00B28D1/26
    • For splitting rock, concrete structures, etc., by being inserted into a drill hole created therein, a rock splitter has a wedge coupled at its thick end to the output shaft of a hydraulic cylinder. Lying on opposite sides of the wedge, a pair of guides are yieldably held against the wedge to allow longitudinal sliding motion thereof. Two pairs of opposed leaf springs connect the wedge guides to the hydraulic cylinder to restrain the guides from longitudinal displacement and to allow same to move away from and toward each other with the longitudinal sliding motion of the wedge. The pair of wedge guides, together with the wedge therebetween, generally taper as they extend away from the hydraulic cylinder for the ease of insertion into the drill hole. Several splitting operations, each with a thrust of the wedge, are to be performed in succession, by inserting the splitter progressively deeper into the drill hole, for fracturing thick rock formations or the like.
    • 为了将岩石,混凝土结构等插入到其中产生的钻孔中,岩石分裂器具有在其厚端部处连接到液压缸的输出轴的楔形物。 在楔形物的相对侧上,一对导轨可屈服地固定在楔形件上,以允许其纵向滑动。 两对相对的板簧将楔形导向件连接到液压缸,以限制导向件的纵向位移,并允许其相对于楔形件的纵向滑动运动而远离彼此。 一对楔形导向件与它们之间的楔形件一般在其远离液压缸延伸时逐渐变细,以便易于插入到钻孔中。 通过将分离器逐渐地插入到钻孔中,用于压裂厚岩层等,连续执行几个具有楔形推力的分离操作。
    • 3. 发明授权
    • Hydraulic rock splitter
    • 液压岩石分离器
    • US4571002A
    • 1986-02-18
    • US608684
    • 1984-05-10
    • Shigetake AkanumaSatoshi TakashimaHaruo ImamuraYoshitaka Ojiro
    • Shigetake AkanumaSatoshi TakashimaHaruo ImamuraYoshitaka Ojiro
    • E21C37/04
    • E21C37/04
    • Apparatus having a pair of presser cheeks for insertion in a drill hole, with a slider wedge slidably engaged therebetween. The forced descent of the slider wedge by a hydraulic cylinder assembly results in the lateral motion of the presser cheeks away from each other. The presser cheeks are supported from the cylinder body of the cylinder assembly, each via two pairs of parallel spaced leaf springs disposed on opposite sides of the slider wedge and normally closely held against the other two pairs of leaf springs supporting the other presser cheek. While the bottom ends of the leaf spring pairs are rigidly coupled to the presser cheeks, their upper ends are connected to the cylinder body via elastic members yieldable to permit upward displacement of the leaf springs with the presser cheeks, as upon withdrawal of the slider wedge, without buckling. Further two pairs of stop rods depend from the cylinder body so as to normally terminate short of the respective presser cheeks. As the elastic members yield to allow upward displacement of the leaf springs, the presser cheeks come into abutment against the respective pairs of stop rods to prevent the buckling and consequent destruction of the leaf springs.
    • 具有用于插入到钻孔中的一对压脚颊的装置,其中可滑动地接合在其间的滑块楔。 通过液压缸组件的滑块楔的强制下降导致压脚面板的横向移动彼此远离。 压脚颊部由气缸组件的气缸体支撑,每个通过两对平行隔开的板簧布置在滑块楔的相对侧上,并且通常紧密地保持抵靠支撑另一个压紧面颊的另外两对板簧。 虽然板簧对的底端刚性地联接到压脚颊部,但是它们的上端通过弹性构件连接到气缸本体,弹性构件可屈服于允许板簧与压脚颊板向上移位, ,没有弯曲。 另外两对止动杆从圆柱体取决于通常终止于相应的压紧面颊。 随着弹性部件屈服以允许板簧向上移位,压脚颊部抵靠相应的一对止动杆,以防止板簧的弯曲和随之而来的破坏。