CN205532664U - Novel flexible stock - Google Patents
Novel flexible stock Download PDFInfo
- Publication number
- CN205532664U CN205532664U CN201620279771.3U CN201620279771U CN205532664U CN 205532664 U CN205532664 U CN 205532664U CN 201620279771 U CN201620279771 U CN 201620279771U CN 205532664 U CN205532664 U CN 205532664U
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- CN
- China
- Prior art keywords
- anchor
- rod
- stock
- anchor cable
- utility
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a novel flexible stock. Higher anchor is done all can and shear strength's anchor bolt support structure to form integrated having through embedding steel strand wires anchor rope in the cavity screw -thread steel stock body of rod to utilization encapsulation fastener makes stock and anchor rope undertake anchoring effect jointly the end tightening that exposes of anchor rope and stock. The utility model discloses mainly be applied to the underground mining engineering and strut the field, especially because country rock required anchorage length in tunnel is greater than tunnel height or width, and the current stock unserviceable condition.
Description
Art:
This utility model is a kind of novel flexible anchor bar suspension device, it is adaptable to colliery shaft and drift supporting, metal mine roadway support etc.
The underground mining engineering supporting field that rockbolt installation space is less.
Technical background:
At present, conventional in mine well lane engineering anchor bar suspension device has twisted steel anchor rod and steel strand anchor cable.But, at mine
In tunnel, the installing space of anchor pole is the narrowest and small, considers further that the factor of roof bolting equipment size, causes current twisted steel anchor rod
Body of rod length is the shortest, and its anchorage length is generally 1～2.4m, and this unfavorable factor limits the range of anchor pole, and
And the tensile strength of twisted steel anchor rod is less than steel strand anchor cable.And steel strand wires have flexible feature, can bend in roadway
Storage and use, so the anchorage length of steel strand anchor cable is not limited by installing space, its anchorage length generally can reach
To 6～8m, but the shearing strength of anchor cable is less than anchor pole, is susceptible to failure by shear and lost efficacy in broken rock.
Summary of the invention:
In order to overcome twisted steel anchor rod anchorage length and the less shortcoming of anchor force, this utility model utilizes steel strand anchor cable to transform spiral shell
Stricture of vagina steel anchor rod, it is provided that a kind of novel flexible anchor bar suspension device, improves the tensile strength of anchor pole, thus improves anchor pole by anchor cable
Anchor force, by regulate embedded anchor cable length improve anchor pole anchorage length.This utility model is by steel strand anchor cable, hollow
Twisted steel anchor rod, encapsulation cone, encapsulation cone box, stop grouting plug, backing plate, nut composition.Wherein steel strand anchor cable length and in
Empty twisted steel anchor rod length should select according to actually used situation, and the range of choice of steel strand anchor cable length is 2.4～6m, hollow
The range of choice of twisted steel anchor rod length is 1～2.4m, so anchorage length of the present utility model is 1～6m, thus fills up
Blank between existing anchor pole, anchor cable range.
This utility model solves existing mooring rod technique problem and be employed technical scheme comprise that, is embedded in diameter at cannulated threaded steel anchor rod
The steel strand anchor cable being slightly less than body of rod internal diameter forms the flexible roof bolt of integration, and the exposed end portion at anchor pole uses backing plate and nut tight
Gu, the exposed end portion at steel strand anchor cable uses encapsulation cone structure fastening.Cannulated threaded steel anchor rod is formed by backing plate and nut
Anchor force, steel strand anchor cable cooperatively forms anchor force by encapsulation cone structure with cannulated threaded steel anchor rod, and concrete measure is
By the breach microcephaly of encapsulation cone towards cannulated threaded steel anchor rod, encapsulation cone box is utilized the power on cannulated threaded steel anchor rod to be transmitted
In encapsulation cone, steel strand anchor cable and cannulated threaded steel anchor rod are combined fastening, it is achieved both integration anchoring supports.At anchor
Gu the superficial part in region, by twisted steel anchor rod and steel strand anchor cable combined supporting, cannulated threaded steel anchor rod guarantees that flexible roof bolt is at superficial part
Fragmented rock body keep higher shearing strength, embedded steel strand anchor cable improve the tensile strength of flexible roof bolt, thus improve
The flexible roof bolt anchorage effect to superficial part fragmented rock body.In the deep of anchorage zone, mainly by steel strand anchor cable, superficial part is broken
Detritus body suspends in midair to deep rock mass stability, makes anchorage zone overall holding under the effect of flexible roof bolt stable.
The beneficial effects of the utility model are, novel flexible anchor pole has higher anchor force and a shearing strength, and anchorage length
Increasing the range having widened anchor pole, this makes flexible roof bolt can apply to the underground mining engineering supporting that installing space is narrow and small
Field, especially because anchorage length is more than head-room or width needed for roadway surrounding rock, and the feelings that existing anchor pole is non-serviceable
Condition.
Accompanying drawing illustrates:
Fig. 1 is whole structure figure of the present utility model；
Fig. 2 is integral installation figure of the present utility model, each label title in Fig. 2: 1, steel strand anchor cable, 2, cannulated threaded steel
Anchor pole, 3, encapsulation cone, 4, encapsulation cone box, 5, stop grouting plug, 6, backing plate, 7, nut；
Fig. 3 is steel strand anchor cable part drawing of the present utility model；
Fig. 4 is cannulated threaded steel anchor rod part drawing of the present utility model；
Fig. 5 is encapsulation cone object figure of the present utility model；
Fig. 6 is encapsulation cone box part drawing of the present utility model；
Fig. 7 is stop grouting plug part drawing of the present utility model；
Fig. 8 is backing plate part drawing of the present utility model；
Fig. 9 is nut part figure of the present utility model；
Figure 10 is enforcement installation steps figure of the present utility model, label implication in Figure 10: 1～6 represent enforcement installation steps respectively
1～6.
Detailed description of the invention:
1, as shown in step 1～3 in Figure 10, first with existing jumbolter equipment at anchorage zone construction drill, obtain
Drillable length be aperture needed for the overall anchorage length of flexible roof bolt, a diameter of steel strand anchor cable；Then utilize larger-diameter
Superficial part bore diameter is expanded by jumbolter, the anchorage length of a length of cannulated threaded steel anchor rod part, a diameter of twisted steel anchor rod
Required aperture；Finally utilize existing air compressor that compressed air injection hole is cleared up floating dust therein.
2, as shown in step 4～5 in Figure 10, first steel strand anchor cable (1) is inserted boring, until flexible roof bolt solid anchor
Solid depth capacity, utilize resin explosive roll or infusion resin to be fixed the steel strand anchor cable (1) termination in rock stratum；Then in inciting somebody to action
Empty twisted steel anchor rod (2) inserts, along steel strand anchor cable (1), the boring that superficial part is bigger, equally with resin explosive roll or infusion resin
Being fixed cannulated threaded steel anchor rod (2) termination in rock stratum, final effect is that steel strand anchor cable (1) is embedded in cannulated threaded steel anchor
In bar (2).
3, as shown in step 6 in Figure 10, according to the structure shown in the assembling of Fig. 2 flexible roof bolt entirety, stop grouting plug (5), pad are installed
Plate (6), to installing nut (7) after hollow twisted steel anchor rod (2) Shi Hanzhang, applies in advance should to steel strand anchor cable (1)
Power, is first inserted in encapsulation cone box (4) osculum in steel strand anchor cable (1) towards cannulated threaded steel anchor rod (2), finally will envelope
Dress cone (3) wedging encapsulation cone box (4) completes install.
Claims (2)
1. a flexible roof bolt, in the cannulated threaded steel anchor rod body of rod, embeds steel strand anchor cable, it is characterized in that: at the hollow bolt body of rod
Middle addition diameter is slightly less than the anchor cable of hollow bolt body of rod internal diameter, forms the suspension roof support structure of integration.
Flexible roof bolt the most according to claim 1, is characterized in that: utilize encapsulation cone and encapsulation cone box composition encapsulation cone knot
Structure, is connected anchor cable exposed end portion with hollow bolt exposed end portion, makes anchor pole and anchor cable form the structure of a common pressure-bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620279771.3U CN205532664U (en) | 2016-04-06 | 2016-04-06 | Novel flexible stock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620279771.3U CN205532664U (en) | 2016-04-06 | 2016-04-06 | Novel flexible stock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205532664U true CN205532664U (en) | 2016-08-31 |
Family
ID=57141703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620279771.3U Expired - Fee Related CN205532664U (en) | 2016-04-06 | 2016-04-06 | Novel flexible stock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205532664U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829767A (en) * | 2017-11-30 | 2018-03-23 | 安徽理工大学 | A kind of block assembly formula, which allows, presses hollow grouting anchor and its construction method |
| CN109098743A (en) * | 2018-08-20 | 2018-12-28 | 中国矿业大学 | A kind of new type mining steel tendon |
| CN109838258A (en) * | 2017-11-28 | 2019-06-04 | 平安煤炭开采工程技术研究院有限责任公司 | Anchorage |
| CN111305887A (en) * | 2020-05-08 | 2020-06-19 | 中国矿业大学(北京) | Shear-resistant anchor pipe cable supporting structure and construction method |
| CN111520158A (en) * | 2020-04-28 | 2020-08-11 | 烟台黄金职业学院 | Inclined coal seam fully-mechanized coal mining face roadway combined supporting system and supporting method thereof |
| CN112922651A (en) * | 2021-04-23 | 2021-06-08 | 辽宁工程技术大学 | Anchor rod supporting process for driving face |
-
2016
- 2016-04-06 CN CN201620279771.3U patent/CN205532664U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838258A (en) * | 2017-11-28 | 2019-06-04 | 平安煤炭开采工程技术研究院有限责任公司 | Anchorage |
| CN107829767A (en) * | 2017-11-30 | 2018-03-23 | 安徽理工大学 | A kind of block assembly formula, which allows, presses hollow grouting anchor and its construction method |
| CN107829767B (en) * | 2017-11-30 | 2024-02-27 | 安徽理工大学 | Sectional assembly type yielding hollow grouting anchor rod and construction method thereof |
| CN109098743A (en) * | 2018-08-20 | 2018-12-28 | 中国矿业大学 | A kind of new type mining steel tendon |
| CN111520158A (en) * | 2020-04-28 | 2020-08-11 | 烟台黄金职业学院 | Inclined coal seam fully-mechanized coal mining face roadway combined supporting system and supporting method thereof |
| CN111520158B (en) * | 2020-04-28 | 2022-03-25 | 烟台黄金职业学院 | Inclined coal seam fully-mechanized coal mining face roadway combined supporting system and supporting method thereof |
| CN111305887A (en) * | 2020-05-08 | 2020-06-19 | 中国矿业大学(北京) | Shear-resistant anchor pipe cable supporting structure and construction method |
| CN112922651A (en) * | 2021-04-23 | 2021-06-08 | 辽宁工程技术大学 | Anchor rod supporting process for driving face |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20170406 |