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8 条记录 (耗时 0.01 秒)

    Method of and apparatus for supporting an overburden
    1.
    发明授权
    Method of and apparatus for supporting an overburden 失效
    支撑上覆岩层的方法和装置

    公开(公告)号：US4249837A

    公开(公告)日：1981-02-10

    申请号：US957355

    申请日：1978-11-03

    申请人： Klaus Spies

    发明人： Klaus Spies

    IPC分类号： E21D15/00 ,  E21D15/16 ,  E21D15/28 ,  E21D15/18 ,  E21D15/22

    CPC分类号： E21D15/005 ,  E21D15/16 ,  E21D15/28

    摘要： A method and an arrangement are disclosed for supporting a roof of an underground excavation. A hollow prop casing of two or more telescopable sections is erected and telescoped apart until it bears on the floor and the roof. The sections are then biased against the floor and the roof and the prop casing is filled with a hardenable substance which upon hardening forms in the casing a solid column capable of supporting the roof.

    摘要翻译： 公开了一种用于支撑地下挖掘屋顶的方法和装置。 两个或多个可伸缩部分的中空支撑套管竖立并伸缩，直到它撑在地板和屋顶上。 然后将这些部分偏置在地板上，并且顶部和支撑套管填充有可硬化物质，其在硬化后在壳体中形成能够支撑屋顶的固体柱。

    Support column
    3.
    发明授权
    Support column 失效
    支持栏

    公开(公告)号：US5273378A

    公开(公告)日：1993-12-28

    申请号：US934660

    申请日：1993-01-11

    申请人： Volker Merz ,  Kurt Plaga

    发明人： Volker Merz ,  Kurt Plaga

    IPC分类号： E21D15/16 ,  E21D15/18 ,  E21D15/14

    CPC分类号： E21D15/16 ,  E21D15/18

    摘要： Support column for underground mining and tunnel construction, composed of a load-bearing outer shell and a core of a substance which is to be introduced in the flowable state and is capable of hardening. The upper column component can be slid out of the lower column component and is secured against being slid into the lower column component by a ring-shaped spring element. Active clamping forces can be introduced by means of clamping devices which can be mounted on the outside.

    摘要翻译： PCT No.PCT / DE92 / 00376 Sec。 371日期：1993年1月11日 102（e）日期1993年1月11日PCT提交1992年5月4日PCT公布。 WO92 / 20903 PCT出版物 日期：1992年11月26日。用于地下采矿和隧道施工的支柱，由承载外壳和物质的核心组成，其物质可以以可流动状态引入并且能够硬化。 上柱部件可以从下部柱部件滑出，并且被固定而不被一个环形弹簧元件滑入下部柱部件。 可以通过可以安装在外部的夹紧装置来引入主动夹紧力。

    Telescopic pumpable prop assembly with improved ceiling impact properties
    6.
    发明授权
    Telescopic pumpable prop assembly with improved ceiling impact properties 有权

    公开(公告)号：US10240458B2

    公开(公告)日：2019-03-26

    申请号：US15307109

    申请日：2015-04-28

    申请人： Cougar Can Company Pty Ltd

    发明人： Craig Douglas Barnett ,  Phillip Martin Pike

    IPC分类号： E21D15/55 ,  E21D23/00 ,  E21D23/08 ,  E21D23/16 ,  E21D15/18 ,  E04G25/04 ,  E21D15/16 ,  E21D15/48

    摘要： A grout tillable prop assembly for supporting a ceiling such as the ceiling of an underground mine. The prop assembly comprising an inner member and an outer member adapted for movement between an extended use configuration and a retracted configuration, a unidirectional grout inlet in an upper part of a sidewall of the outer member to allow grout to pass into the prop, the inner member and the outer member having wall portions and being self-supporting, an air conduit through the prop having an opening adjacent an upper limit of the prop, a pressure relief valve coupled to the air conduit whereby the prop is be brought from the retracted configuration to the extended configuration by application of pressurized air through the air conduit and whereby the extended prop is filled with grout via the unidirectional grout inlet.

    Telescopic tube locking and unlocking system
    7.
    发明授权
    Telescopic tube locking and unlocking system 失效
    TELESCOPIC TUBE LOCKING和解锁系统

    公开(公告)号：US3697103A

    公开(公告)日：1972-10-10

    申请号：US3697103D

    申请日：1970-11-03

    申请人： DEFENSE AUSTRALIA

    发明人： MOSTYN WILLIAM D

    IPC分类号： F16B1/00 ,  F16B7/10 ,  F16B7/20 ,  E21D15/16

    CPC分类号： F16B1/00 ,  A47B2200/0034 ,  F16B7/105 ,  F16B7/20 ,  Y10S16/39 ,  Y10T16/473 ,  Y10T403/32426

    摘要： A telescopic tube locking and unlocking system in which one square tube is slidable within another square tube of larger diameter. The outer tube is provided with a transverse slot and a pin mounted in a slide which slides laterally in a guideway plate fixed to the wall of the outer tube. The pin extends through the slot to engage the edges of a series of vertically arranged and vertically spaced cams fixed to at least one wall of the inner tube. By pulling the tubes apart then pushing them together the pin cooperates with the cams to lock the inner tube in an extended position or permit telescoping thereof in the outer tube.

    摘要翻译： 一种伸缩管锁定和解锁系统，其中一个方管可在另一个较大直径的管中滑动。 外管设置有横向狭槽和安装在滑块中的销，其在固定到外管壁上的导轨板中横向滑动。 销延伸穿过狭槽以接合固定到内管的至少一个壁的一系列垂直布置且垂直间隔的凸轮的边缘。 通过将管分开，然后将它们推到一起，销与凸轮配合以将内管锁定在延伸位置或允许其在外管中伸缩。