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    • 83. 发明专利
    • CONSTRUCTION OF CONTINUOUS UNDERGROUND WALL AND STRUCTURAL JOINT CONNECTION MECHANISM
    • JPS5667015A
    • 1981-06-05
    • JP14161979
    • 1979-11-01
    • TAISEI CORP
    • OOYA HIROSHIARAI MASAO
    • E02D5/18E02D5/20
    • PURPOSE:To arrange so that the captioned wall of high reliability may be built efficiently and at low cost, by connecting the connected end of an iron-reinforced cage and the structural joint with a sliding crossover member provided along the element depth direction, and building in the structural joint freely moved out of position in a depth-wise direction. CONSTITUTION:After building the iron-reinforced cage 3 into an excavated element 1, the structural joint 2 equipped with the sliding crossover member 5' corresponding to the sliding crossover member 5 of the cage 3 is built in the element 1 by crossing over and connecting to each other members 5, 5'. The joint 2 is composed of a leakage preventive plate 2a and a partition 2b connecting and carrying the preventive plate 2. Under this constitution, the joint 2 freely moves out of the cage 3 in an element 1 depth-wise direction, contacting or finding its way into the bottom of the element 1. Following this step, concrete 4 is placed using a Tremmy tube TM. After work was performed in this way, there is no necessity to use the joint 2 on a part bound with the preceding element 1 in the element 1 excavated adjacent to the preceding element 1. In addition, in a continuous element 1, the joint 2 has only to be used.
    • 85. 发明专利
    • Excavator
    • 挖掘机
    • JP2007262819A
    • 2007-10-11
    • JP2006091861
    • 2006-03-29
    • Seiwa Renewal Works Co LtdTaisei CorpToa Tone Boring:Kk大成建設株式会社成和リニューアルワークス株式会社株式会社東亜利根ボーリング
    • SUZUKI KURAOARAI MASAOTAKEUCHI AKIHIDETERAJIMA TSUTOMUIGARASHI TAKUJIROENDO KENICHI
    • E21B4/00E02F5/02
    • PROBLEM TO BE SOLVED: To provide an excavator which eliminates much labor for maintenance and enables the efficient cutting of ground, by reduces a burden on a bevel gear for transmitting power to a cutter, so as to make power transmission performance superior.
      SOLUTION: This excavator comprises: a pair of power shafts 2 and 2 which are arranged at a predetermined interval so as to be each rotated a vertical axis; the driving bevel gear 3 which is rotated on a vertical axis by the rotation of the power shaft 2; and cutters 4 and 4 which are rotated by power transmitted from the pair of power shafts 2 and 2, so as to cut natural ground. The cutters 4 comprise cutter shafts 41 which are provided obliquely with respect to the power shaft 2 so that leading ends can get close to each other in the state of protruding in a face direction and so that base ends can get close to the power shaft 2, and which are each rotated on an axial center; and driven bevel gears 42 which are each formed on the base end side of the cutter shaft 41 so as to be meshed with the bevel gear 3, and which are each rotated on the cutter shaft 41 by the power transmitted from the bevel gear 3.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供一种挖掘机,其减少了对维护的大量劳动并且能够有效地切割地面,通过减小用于向动力传递动力的锥齿轮的负担,从而使动力传递性能更好。 解决方案:该挖掘机包括:一对动力轴2和2,其以预定间隔布置成每个旋转垂直轴; 通过动力轴2的旋转在垂直轴上旋转的主动伞齿轮3; 以及通过从一对动力轴2和2传递的动力而旋转的切削器4和4,以切割自然地面。 切割器4包括相对于动力轴2倾斜地设置的切割轴41,使得前端可以在面向方向上突出的状态下彼此接近,并且使得底端可以靠近动力轴2 并且各自在轴向中心旋转; 和从动锥齿轮42,它们分别形成在刀轴41的基端侧,以与锥齿轮3啮合,并且通过从锥齿轮3传递的动力各自在刀轴41上旋转。 版权所有(C)2008,JPO&INPIT