CN103032087A - 一种自钻式中空注浆锚杆及其生产方法 - Google Patents
一种自钻式中空注浆锚杆及其生产方法 Download PDFInfo
- Publication number
- CN103032087A CN103032087A CN2012105062683A CN201210506268A CN103032087A CN 103032087 A CN103032087 A CN 103032087A CN 2012105062683 A CN2012105062683 A CN 2012105062683A CN 201210506268 A CN201210506268 A CN 201210506268A CN 103032087 A CN103032087 A CN 103032087A
- Authority
- CN
- China
- Prior art keywords
- rod
- self
- hollow grouting
- bolt
- drilling
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 239000011152 fibreglass Substances 0.000 claims abstract description 8
- 239000000463 materials Substances 0.000 claims abstract description 7
- 229920005989 resins Polymers 0.000 claims description 23
- 239000011347 resins Substances 0.000 claims description 23
- 238000003860 storage Methods 0.000 claims description 15
- 150000001875 compounds Chemical class 0.000 claims description 13
- 239000003365 glass fibers Substances 0.000 claims description 13
- 238000001035 drying Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- WNROFYMDJYEPJX-UHFFFAOYSA-K Aluminium hydroxide Chemical compound data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 8
- 229960003563 Calcium Carbonate Drugs 0.000 claims description 8
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 8
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Chemical compound 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- 238000005728 strengthening Methods 0.000 description 2
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound 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Abstract
Description
一种自钻式中空注浆锚杆及其生产方法
技术领域
[0001] 本发明涉及一种施工工具,特别涉及一种自钻式中空注浆锚杆及其生产方法。
背景技术
[0002] 锚杆是用于岩土体加固的优良结构,锚杆支护是在边坡、岩土深基坑等地表工程及隧道、采场等地下硐室施工中采用的一种加固支护方式。用金属件、木件、聚合物件制成杆柱,打入地表岩体或硐室周围岩体预先钻好的孔中,利用其头部、杆体的特殊构造和尾部托板,或依赖于黏结作用将围岩与稳定岩体结合在一起而产生悬吊效果、组合梁效果、补强效果,以达到支护的目的。具有成本低、支护效果好、操作简便、使用灵活、占用施工净空少等优点。
[0003] 锚杆支护通过围岩内部的锚杆改变围岩本身的力学状态,在巷道周围形成一个整体而又稳定的岩石带,利用锚杆与围岩共同作用,达到维护巷道稳定的目的。它是一种积极防御的支护方法,是矿山支护的重大变革。锚杆不但支护效果好,且用料省、施工简单、有利于机械化操作、施工速度快。
[0004] 用普通的锚杆注浆,包括如下三个步骤:1、使用铁制的锚钻孔;2、将普通的玻璃锚杆放入已经钻好的孔中;3、注浆。由于铁材料制成的锚扭矩有限,导致不能一次性实现注浆,而要分为三个步骤。导致工作效率较低。
[0005]自钻锚杆作为一种有效的锚固手段,被大量地应用在隧道的超前支护,径向支护,边坡加固,路基加固以及隧道病整治工程。通过中空杆体对锚杆进行压力注浆,可达到固结破碎岩体,隔断地下水及杆体防腐的目的,可迅速形成支护力,控制围岩的稳定。中空注浆锚杆适用于铁路、公路、隧道、矿山、水利枢纽、边坡、堤坝、桥基、江海湖河边、高层建筑基础及建筑物加固等工程。
[0006] 在各类地下工程中普遍存在着软弱围岩、断层破碎带、高地应力大变形等复杂地质条件,给岩锚施工带来了极大的困难,特别是在坍孔严重和需要特长锚杆的情况下,普遍的锚杆无能为力。
[0007] 现有技术公开了一种注浆锚杆,主要适用于松软地质构造,主要为钢质或铁质,这种锚杆扭矩低,不易切割,质量重,影响施工进度,增加了工人劳动强度。目前尚无合适的锚杆,能够适用于煤矿、地铁、隧道、基坑等多种施工场地。
发明内容
[0008] 为了克服上述现有技术存在的缺陷,本发明提供一种自钻式中空注浆锚杆及其生产方法,用于煤矿、地铁、隧道、基坑等多种施工场地,低成本,高效率。
[0009] 为了实现上述目的,本发明提供的技术方案之一为:一种自钻式中空注浆锚杆,包括钻头、杆体、托盘、螺母,所述杆体一端连接钻头,另一端依次连接所述托盘和螺母,所述杆体外表面设置螺纹,所述杆体末端设置止浆塞,所述杆体材料为玻璃钢。
[0010] 作为优选,本发明所述杆体由若干单节杆通过钢接头连接构成。[0011] 作为优选,本发明所述钢接头设置通孔,通孔内设置与所述杆体外表面螺纹吻合的内螺纹。
[0012] 作为优选,本发明所述钻头侧面设置注浆孔。
[0013] 作为优选,本发明所述螺纹为左旋向螺纹或右旋向螺纹的一种。
[0014] 作为优选,本发明所述螺纹的螺距为12. 5〜12. 9mm。
[0015] 作为优选,本发明所述杆体的参数为:外径为30. 8〜31. 5mm,底径为28. 3〜28. 8mmο
[0016] 作为优选,本发明所述玻璃钢的组成成分为:不饱和树脂2%、环氧树脂8%〜12%、固化剂11%〜15%、促进剂3%〜5%、脱模剂O. 8%〜1%、氢氧化铝3%、碳酸钙3%、玻璃纤维70% 〜80%。
[0017] 本发明提供的技术方案之二是,一种自钻式中空注浆锚杆杆体的生产方法,包括如下步骤:
[0018] I)将质量比为不饱和树脂2%、固化剂1%、脱模剂O. 8%〜1%、氢氧化铝3%、碳酸钙3%的各组分置于第一树脂槽内搅拌均匀,形成混合液A ;
[0019] 2)将质量比为环氧树脂8%〜12%、固化剂8%〜12%、促进剂3%〜5%的各组分分别置于第二树脂槽和第三树脂槽内搅拌均匀,形成混合液B和BI ;
[0020] 3)将质量比为70%〜80%的玻璃纤维依次浸透于混合液A、B、BI中;
[0021] 4)将浸透的玻璃纤维进入成型模具圆盘进行编制缠绕;
[0022] 5)进入烘道烘干;
[0023] 6)冷却后进行切割;
[0024] 7)矫正、去毛刺、涂漆、包装。
[0025] 作为优选,本发明所述烘干的温度为从250摄氏度到120摄氏度逐渐降低,烘干时间为O. 8分钟/米
[0026] 本发明的有益效果是,采用玻璃钢材质,使得锚杆易切割、强度高、扭矩高,可自钻孔径同时注浆,抗静电,切割时不会产生火花,对巷道安全施工极为有利,特别适合高瓦斯浓度区域,杆体抗拉强,杆体强度优于等直径钢筋的水平,产品轻便易操作,重量为同等规格的钢筋的1/4,使施工更容易,从而减轻工人劳动强度,同时还可以减少钢筋生产所带来的能源消耗和环境污染。
附图说明
[0027] 图1为本实用新型的结构示意图;
[0028] 图2为本实用新型单节杆结构示意图;
[0029] 图3为左旋向螺纹单节杆示意图;
[0030] 图4为右旋向螺纹单节杆示意图。
[0031] 图中,1、钻头,2、杆体,3、托盘,4、螺母,5、螺纹,6、止浆塞,7、注浆孔,8、钢接头,9、
注浆口。
具体实施方式:
[0032] 为了使本发明的创作特征、技术手段与达成目的易于明白理解,以下结合具体实施例进一步阐述本发明。
[0033] 参看图1〜图4,一种自钻式中空注浆锚杆,包括钻头1、杆体2、托盘3、螺母4,所述杆体2 —端连接钻头I,另一端依次连接所述托盘3和螺母4,所述杆体2外表面设置螺纹5,所述杆体2末端设置止浆塞6,所述杆体材料为玻璃钢。所述杆体2由若干单节杆通过钢接头8连接构成。所述钢接头8设置通孔,通孔内设置与所述杆体2外表面螺纹5吻合的内螺纹。所述钻头I侧面设置注浆孔7。作为优选,所述螺纹5为左旋向螺纹。作为优选,所述螺纹5也可以为右旋向螺纹。所述杆体2的参数为:外径η为30. 8〜31. 5_,底径m为28. 3〜28. 8_。所述螺纹5的螺距h为12. 5〜12. 9_。
[0034] 所述玻璃钢的组成成分为:不饱和树脂2%、环氧树脂8%〜12%、固化剂11%〜15%、促进剂3%〜5%、脱模剂O. 8%〜1%、氢氧化铝3%、碳酸钙3%、玻璃纤维70%〜80%。其中,
[0035] 一种自钻式中空注浆锚杆杆体的生产方法,包括如下步骤:
[0036] 将质量比为不饱和树脂2%、固化剂1%、脱模剂O. 8%〜1%、氢氧化铝3%、碳酸钙3%的各组分置于第一树脂槽内搅拌均匀,形成混合液A ;将质量比为的各组分分别置于第二树脂槽和第三树脂槽内搅拌均匀,形成混合液B和BI ;将质量比为70%〜80%的玻璃纤维依次浸透于混合液A、B、B1中;将浸透的玻璃纤维进入成型模具圆盘进行编制缠绕;进入烘道烘干,烘干的温度为从250摄氏度到120摄氏度逐渐降低,烘干时间为O. 8分钟/米;冷却后进行切割;矫正、去毛刺、涂漆、包装。
[0037] 实施例1 :将质量比为不饱和树脂2%,固化剂过氧化苯甲酸叔丁酯O. 2%、CH-500. 5%、px-160. 3%,DDX内脱模剂O. 8%,氢氧化铝3%,碳酸钙3%,置于第一树脂槽搅拌均匀形成混合液A,将质量比为 环氧树脂8%、H-316固化剂10%、4040促进剂3%分别置于第二树脂槽和第三树脂槽,分别充分搅拌均匀,形成混合液B、B1,搅拌时间均超过30分钟,将质量比为70%的玻璃纤维依次浸透于混合液A、B、BI中;将浸透的玻璃纤维进入成型模具圆盘进行编制缠绕;进入烘道烘干,烘干的温度为从250摄氏度到120摄氏度逐渐降低,烘干时间为O. 8分钟/米;冷却后进行切割;矫正、去毛刺、涂漆、包装。
[0038] 实施例2 :将质量比为不饱和树脂2%,固化剂过氧化苯甲酸叔丁酯O. 2%、CH-500. 5%、px-160. 3%,DDX内脱模剂O. 9%,氢氧化铝3%,碳酸钙3%,置于第一树脂槽搅拌均匀形成混合液A,将质量比为环氧树脂12%、H-316固化剂12%、4040促进剂4%分别置于第二树脂槽和第三树脂槽,分别充分搅拌均匀,形成混合液B、B1,搅拌时间均超过30分钟,将质量比为80%的玻璃纤维依次浸透于混合液A、B、BI中;将浸透的玻璃纤维进入成型模具圆盘进行编制缠绕;进入烘道烘干,烘干的温度为从250摄氏度到120摄氏度逐渐降低,烘干时间为O. 8分钟/米;冷却后进行切割;矫正、去毛刺、涂漆、包装。
[0039] 以上显示和描述了本发明的基本原理、主要特征和本发明的优点。本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等同物界定。
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