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发明名称
一种力矩强锚可回收锚杆
摘要
一种力矩强锚可回收锚杆,包括锚头和杆体,其特征是所述锚头由铁合金内丝锥形楔和斜面鱼鳞扣膨胀体,膨胀体环抱锥形楔,带有外丝的杆体插入膨胀体,并与锥形楔的内丝相扣,杆体尾部依次外套有活动挡圈,空心锚固卷、托盘和紧固螺母。本实用新型能广泛适用于稳定围岩或松软围岩等复杂地质环境,规格齐全、安装操作方便,并且具有高强度、杆体可回收。
申请公布号
CN2254954Y
申请公布日期
1997.05.28
申请号
CN96231862.0
申请日期
1996.05.14
申请人
吴怀玉
发明人
吴怀玉;陆爱民;刘杰;赵军
分类号
E21D21/00
主分类号
E21D21/00
代理机构
代理人
主权项
1、一种力矩强锚可回收锚杆,包括锚头和杆体,其特征是所述锚头由铁合金内丝锥形楔(1)和斜面鱼鳞扣膨胀体(2)构成,所述膨胀体(2)环抱锥形楔(1);带有外丝的杆体(5)插入膨胀体(2),并与锥形楔(1)的内丝相扣,杆体(5)尾部依次外套有活动挡圈(3)、空心锚固卷(4)、托盘(6)和紧固螺母(7)。
地址
235025安徽省淮北矿务局烈山工人村铁路运输处
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