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    • 3. 发明授权
    • 갱도 천정 앵커
    • 隧道锚
    • KR1019880001917B1
    • 1988-09-30
    • KR1019830000321
    • 1983-01-27
    • 짐월터리소시스인코오포레이팃드버밍함보울트캄파니
    • 프레드릭카알크라우드카르로스화이트
    • E21D20/02
    • F16B13/143E21D20/025E21D21/008
    • A mine roof anchor assembly including an elongate bolt having a head at one end and being threaded for a portion of its length at the other end: a mixing and securing member engaged with threaded end of the bolt; the arrangement being such that insertion of said mixing and securing member into a mine roof opening will cause rupturing of a resin and catalyst cartridge contained therein, there by permitting resin and catalyst to gravitate downwardly between a wall of the opening and said mixing and securing member, and further including means for activating said expension member to move this into gripping engagement with the mine roof after the resin and catalyst have been mixed by rotating said elongate bolt in a predetermined number of revolutions.
    • 一种矿山屋顶锚固组件,其包括在一端具有头部并在另一端处螺纹连接其长度的一部分的细长螺栓:与螺栓的螺纹端接合的混合和固定构件; 这种布置使得将所述混合和固定构件插入矿井屋顶开口将导致其中容纳的树脂和催化剂筒在其中破裂,允许树脂和催化剂在开口的壁和所述混合和固定构件之间向下引力 并且还包括用于在树脂和催化剂已经通过以预定转数旋转所述细长螺栓来混合树脂和催化剂混合之后启动所述膨胀构件以将其移动到与矿山屋顶夹紧接合的装置。