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CN88103419A - 用于在端部扩大的钻孔中锚定的膨胀螺栓 - Google Patents

用于在端部扩大的钻孔中锚定的膨胀螺栓 Download PDF

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Publication number
CN88103419A
CN88103419A CN198888103419A CN88103419A CN88103419A CN 88103419 A CN88103419 A CN 88103419A CN 198888103419 A CN198888103419 A CN 198888103419A CN 88103419 A CN88103419 A CN 88103419A CN 88103419 A CN88103419 A CN 88103419A
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China
Prior art keywords
expansion
sleeve
expansion cone
fixing part
threaded
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Pending
Application number
CN198888103419A
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English (en)
Inventor
阿图尔·费希尔
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Fischerwerke Artur Fischer GmbH and Co KG
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Fischerwerke Artur Fischer GmbH and Co KG
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Publication of CN88103419A publication Critical patent/CN88103419A/zh
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
    • F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
    • F16B13/063—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
    • F16B13/08—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation
    • F16B13/0858—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation with an expansible sleeve or dowel body driven against a tapered or spherical expander plug
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B2013/007—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose to be fastened in undercut holes

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dowels (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

一种在内端向外扩大的钻孔中锚定的膨胀螺栓。对于内端逐渐扩大的钻孔，螺栓有一个膨胀锥放在钻孔底上，其上可套上一个可推动膨胀套筒。将本发明的可膨胀套筒套上，将伸出钻孔的固定部用螺丝扳手或类似工具拧旋，膨胀锥用螺纹和固定部连接，并被防止随固定部旋转。这样可取得非常简化的组合件，使用不同长度的螺纹锚杆可适应待夹定构件的不同夹紧长度。

Description

用于在端部扩大的钻孔中锚定的膨胀螺栓
本发明涉及在内端扩大的钻孔中锚定的膨胀螺栓，有一根锚杆其上有一个膨胀锥，对钻孔底部作用，外套一可膨胀套筒，在长度的一部分上有裂缝，膨胀锥用螺纹和一个固定部连接。
用有扩大部的钻孔，可以取得基本没有膨胀压力的锚定，而且因为可以增大固定件的膨胀，甚至可产生更高的夹持数值。已知的膨胀螺栓有一个膨胀锥，用适当的锤击工具将一个可膨胀的套筒套在锥体上。可将膨胀锥制造在一个锚杆上，用螺纹接头连接螺纹锚杆。螺纹锚杆的另一端伸出钻孔，可以有一段外螺纹，在上面拧一个螺母，将需要固定的物件在外墙或顶板上紧固。
已知的膨胀螺栓可以锤入一个有锥形掏切部分的钻孔，需要用特殊的工具，且不能方便适应需固定的物件的不同夹持长度。
本发明的目的，是生产一种膨胀螺栓，用于在内端扩大的钻孔中固定，易于安装，便于适应需固定的物件的不同夹持长度。本发明对这个问题的解决办法，是在前言中提及的类型的膨胀螺栓中，将固定部分相对于锚杆旋转，将膨胀套筒压在膨胀锥上，在膨胀锥的端面上，至少有一个紧固件作防止旋转的措施。作为防转措施，可用突出部，棱脊，或有同体模铸的尖刺在钻孔底对砌体作用，将锚杆固定，防止作不利的旋转。固定部构造最好是螺纹锚杆，可用适当的工具按锚杆方向拧入，该螺纹锚杆将可膨胀套筒推到膨胀锥上。
因此在可膨胀套筒和螺纹锚杆间有尽可能小的摩擦，本发明的一种发展，放一个低摩擦元件在固定装置和可膨胀套筒之间。最好用一个有锚杆螺纹部贯通通道的塑料垫圈，作为低摩擦元件。
此外，可以有和膨胀套筒上的纵向裂缝嵌合的紧固件，从膨胀锥上侧向突出。安装时，仅将膨胀套筒稍膨胀，膨胀套筒便对钻孔壁挤紧，于是膨胀锥和紧固件配合，形成锚杆的防转措施。
为放置螺丝搬手或其它工具，可在螺纹锚杆的突端设六角形头或平侧面。
下文中参照附图对本发明作说明，附图内容如下：
图1示插入钻孔的膨胀螺栓，
图2示图1中插入钻孔的膨胀固定塞膨胀锥的端面，
图3示膨胀锥另一举例实施方案的端面。
图1所示膨胀螺栓插入一个钻孔1中，钻孔1在底部区域的内端向外扩大。
膨胀螺栓有一根锚杆2，上有一个膨胀锥3，一个可膨胀套筒4，和一个螺纹锚杆5，螺纹锚杆有一个固定部。螺纹锚杆5的从钻孔1向外伸出的膨胀螺栓的端部，有一个外螺纹6，在上面用螺母将物件8夹紧。因此将物件8压在墙体9的外表上。
锚杆2的螺纹部分10拧在螺纹锚杆5的螺纹孔11中。假如在加螺母7前，将螺纹锚杆5相对于锚杆2旋转，于是锚杆5便向膨胀锥3靠近。这样膨胀套筒4便被向膨胀锥推送，直至达到图中的位置。当将膨胀套筒4向前推时，因设有一个最好用塑料制的低摩擦圆盘12，螺纹锚杆5和膨胀套筒4之间便产生尽可能小的摩擦力。
将螺纹锚杆5旋转时，螺纹锚杆5被压入钻孔中，使铸在膨胀锥3端面上的紧固件13，对钻孔底作用，这里的紧固件是一个突块。这样，可保证锚杆2在螺纹锚杆旋转时不随之旋转。
作为防止不利旋转的另一元件14，是插入膨胀套筒4的纵向裂缝15的一个突出部，元件14在膨胀锥3的边侧上形成。膨胀套筒3一待紧固就位便不能旋转，由于在钻孔中稍膨胀，突出部14便成为防旋转的理想 措施。
紧固件13，14仅为可采用的方案;突耳，尖刺或其他类似的结构也都可使用。
为了便于在螺纹锚杆5的外部上放螺丝搬手或其他工具，螺纹锚杆5有边侧上的平表面或六边形头16。但是此外也可设其他的形状，使适当的工具可以稳定配合。
图2示膨胀锥3的端面，紧固件13的结构为向外倾斜的突块。
图3示膨胀锥3的另一举例方案，端面上有紧固件17，结构可以是突出部或尖刺。

Claims (7)

1、一种在钻孔中作锚定用的膨胀螺栓，做成其内端逐渐向外扩张，有一根锚杆有一个膨胀锥体，在钻孔的底上作用，外面套一可膨胀套筒，其一部分长度上有裂缝，膨胀锥体通过螺纹和一固定部连接，特征在于将固定部相对于锚杆(2)旋转，可将膨胀套筒(4)推到膨胀锥(3)上，膨胀锥(3)的端面上至少有一个紧固件(13)伸出，作为防旋转措施。
2、如权利要求1中之膨胀螺栓，特征为在固定部（15）的突出端，形成一个工具接受区，可在这区上用螺丝搬手或其它工具作稳定接合。
3、如权利要求1或2中一项的膨胀螺栓，特征为有一个低摩擦元件（12）放在固定部（5）和可膨胀套筒（4）之间。
4、如权利要求3中之膨胀螺栓，而特征为低摩擦件为一个有贯穿通道的塑料垫圈（12）。
5、如前述权利要求任一项中之膨胀螺栓，特征为固定部为一个螺纹锚杆（5），有内螺纹（11），其中拧入锚杆（20的螺纹部分（10）。
6、如前述权利要求一项中之可膨胀固定塞，特征为一个紧固件（14）从膨胀锥（3）的边侧上伸出，嵌入膨胀套筒（4）的至少一条裂缝（15）中。
7、如权利要求2至6中任一项之膨胀螺栓，特征为设有边侧上的平表面或六角头（16）作为工具啮合区。
CN198888103419A 1987-06-13 1988-06-03 用于在端部扩大的钻孔中锚定的膨胀螺栓 Pending CN88103419A (zh)

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DE3719798 1987-06-13
DEP3719798.3 1987-06-13

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US (1) US4943195A (zh)
EP (1) EP0297228A1 (zh)
JP (1) JPS63312504A (zh)
CN (1) CN88103419A (zh)
BR (1) BR8802855A (zh)
DK (1) DK219188A (zh)
HU (1) HUT48955A (zh)
SU (1) SU1713444A3 (zh)

Cited By (6)

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Publication number Priority date Publication date Assignee Title
CN102192224A (zh) * 2010-12-10 2011-09-21 上海康驰建筑技术有限公司 一种锚栓和与之配合的锚固方法
CN102939435A (zh) * 2010-06-04 2013-02-20 Fci特拉华控股有限公司 带有护罩末端的膨胀锚杆
CN105829735A (zh) * 2013-12-19 2016-08-03 喜利得股份公司 具有防转动件的膨胀锚栓
CN106707332A (zh) * 2016-12-06 2017-05-24 山东大学 一种tsp传感器锚固装置及使用方法
CN108644196A (zh) * 2018-06-28 2018-10-12 福州百益百利自动化科技有限公司 一种锚固装置
CN113602957A (zh) * 2021-07-13 2021-11-05 浙江零跑科技股份有限公司 吊具

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CN104314944B (zh) * 2014-10-09 2016-05-18 青岛林川工程技术咨询有限公司 一种可完全拆除的膨胀螺栓及其拆装方法
CN105864255A (zh) * 2016-06-14 2016-08-17 江苏永昊高强度螺栓有限公司 安卡锚栓
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CN102939435A (zh) * 2010-06-04 2013-02-20 Fci特拉华控股有限公司 带有护罩末端的膨胀锚杆
CN102939435B (zh) * 2010-06-04 2016-02-03 Fci特拉华控股有限公司 带有护罩末端的膨胀锚杆
CN102192224A (zh) * 2010-12-10 2011-09-21 上海康驰建筑技术有限公司 一种锚栓和与之配合的锚固方法
CN105829735A (zh) * 2013-12-19 2016-08-03 喜利得股份公司 具有防转动件的膨胀锚栓
CN105829735B (zh) * 2013-12-19 2017-07-25 喜利得股份公司 具有防转动件的膨胀锚栓
US9970467B2 (en) 2013-12-19 2018-05-15 Hilti Aktiengesellschaft Handheld power tool
CN106707332A (zh) * 2016-12-06 2017-05-24 山东大学 一种tsp传感器锚固装置及使用方法
CN106707332B (zh) * 2016-12-06 2019-02-26 山东大学 一种tsp传感器锚固装置及使用方法
CN108644196A (zh) * 2018-06-28 2018-10-12 福州百益百利自动化科技有限公司 一种锚固装置
CN113602957A (zh) * 2021-07-13 2021-11-05 浙江零跑科技股份有限公司 吊具

Also Published As

Publication number Publication date
EP0297228A1 (de) 1989-01-04
SU1713444A3 (ru) 1992-02-15
BR8802855A (pt) 1989-01-03
US4943195A (en) 1990-07-24
HUT48955A (en) 1989-07-28
DK219188D0 (da) 1988-04-22
DK219188A (da) 1988-12-14
JPS63312504A (ja) 1988-12-21

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