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    • 1. 发明专利
    • Lining member for width-enlarging type shield excavator
    • 宽宽类型盾构挖掘机的内衬构件
    • JP2007192023A
    • 2007-08-02
    • JP2007116710
    • 2007-04-26
    • Kajima CorpMitsubishi Heavy Ind Ltd三菱重工業株式会社鹿島建設株式会社
    • SASAKI YUKINOBUOSAWA ICHIRONIWA AKIOSUGIYAMA MASAHIKO
    • E21D11/00E21D9/06
    • PROBLEM TO BE SOLVED: To provide a lining member which can sufficiently absorb tail clearances on both longitudinal ends of an existing segment, in a width-enlarging type shield excavator.
      SOLUTION: The width-enlarging type shield excavator comprises a main excavator (1) and sub-excavators (2a, 2b) provided on both sides thereof. An axial line of each of the sub-excavators (2a, 2b) is displaced relative to an axial line of the main excavator (1) so that excavation may be conducted while enlarging the width. The lining member (4) used for the width-enlarging type shield excavator comprises a plurality of pieces including at least four corner parts (20a) as in Fig. 4. A bolt fitting hole (20A) for fitting a new segment (20A) to the existing segment (20) of each of the corner parts (20a) is formed to be an arc-like long hole having a center of the segment as the center of the arc-like shape.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种能够在宽度扩大型盾构式挖掘机中充分吸收现有段的两个纵向端部的尾部间隙的衬里构件。 解决方案:宽幅放大型盾构式挖掘机包括设置在其两侧的主挖掘机(1)和副挖掘机(2a,2b)。 每个副挖掘机(2a,2b)的轴线相对于主挖掘机(1)的轴线移动,使得可以在扩大宽度的同时进行挖掘。 用于宽幅放大型盾构式挖掘机的衬里构件(4)包括多个包括至少四个角部(20a)的零件,如图1所示。 将新的节段(20A)装配到每个角部(20a)的现有段(20)上的螺栓安装孔(20A)形成为具有该段的中心的弧形长孔 圆弧状的中心。 版权所有(C)2007,JPO&INPIT