CN103306695A - Spiral fin grouting anchor cable assembly with adjustable angle - Google Patents
Spiral fin grouting anchor cable assembly with adjustable angle Download PDFInfo
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- CN103306695A CN103306695A CN2012100693222A CN201210069322A CN103306695A CN 103306695 A CN103306695 A CN 103306695A CN 2012100693222 A CN2012100693222 A CN 2012100693222A CN 201210069322 A CN201210069322 A CN 201210069322A CN 103306695 A CN103306695 A CN 103306695A
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- grouting
- anchor cable
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Abstract
The invention designs a spiral fin grouting anchor cable assembly with an adjustable angle. The spiral fin grouting anchor cable assembly comprises an anchor cable body and an anchorage device, wherein the anchor cable body is formed by stranding steel strands by taking a grouting pipe as a cable core; the grouting pipe is in a pipe shape, and is composed of a cement outlet, a cement spraying hole and a grouting opening; the anchorage device comprises a tray, an anchor ring and an anchor cable clamping piece, wherein a hemispherical concave table of the tray is matched with a hemispherical protruding end of the anchor ring; the anchor cable body penetrates a through hole of the tray, and penetrates out from an anchoring hole of an anchor ring cylinderical end through the matched tray and anchor ring; the anchor cable body is clamped by the anchor cable clamping piece in the anchoring hole; the anchorage device and an anchor cable are enabled to always keep vertical after being stressed by the anchorage device through a self-adjusting function, so that a bite force can be guaranteed to be uniform; under an equivalent acting force, the probability that the anchorage device drops off and glides can be greatly reduced. With the adoption of the spiral fin grouting anchor cable assembly with the adjustable angle, the combination of anchor cable support effect and grouting reinforcement effect is realized, so that the anchoring range and the anchoring force are greatly increased, and the consumption of a drill hole drilling machine and anchor cable materials is saved, thereby the cost is lowered.
Description
Technical field
The present invention relates to a kind of shaft and drift supporting structure, particularly a kind of self-regulating angle spiral ribs grouting cable anchor assembly.
Background technology
Since reform and opening-up, the shaft and drift supporting technology of China can be summarized as traditional supporting, metallic support supporting, anchor shaft anchor cable series supporting and composite support technology to the shaft and drift supporting technology always in continuous progress.Wherein cable bolting can combine with multiple supporting measure because its construction is simple, and the duration is short, and expense is low, therefore is widely used in various tunnels.
Cable bolting is to adopt anchoring agent anchoring anchor cable, and ground tackle stretch-draw anchor cable is realized.At present, the anchor cable of cable bolting all is to be formed by several bursts of plain bar hank knotting twistings.Because the periphery of anchor cable is the plain bar hank knotting, so good not as matsurface of the absorption affinity when anchor cable and anchoring agent or concrete setting.Secondly because anchoring agent anchorage part is short, and very inhomogeneous, can't reach good anchoring effect.When being installed, the anchoring agent in boring, fills in earlier the anchoring agent, inserting anchor cable by force stirs, but, the most of deeps of being pushed up the hole by anchor cable of the anchoring agent of filling in, after the anchoring agent of doing (rarer anchoring agent meeting when not solidifying outside the tap hole) mixes, the actual anchorage part of anchoring agent that should 1 meter long has only about half meter, and the anchorage part space is a lot, the anchoring agent is not fully solidified in aggregates with anchor cable and crag, do not reach good anchoring property, even often run into when ground tackle is installed, do not reach prestressing force just outside the anchor cable pull-out-hole, directly cause the anchoring failure.Nowadays, ground tackle in the cable bolting that tunnel and tunnel are used always is column type, and upper and lower surface is the ground tackle on plane, when boring the anchor cable hole, no matter machinery or manpower boring, all can not guarantee the trend in hole and the verticality of spot face, this just cause when ground tackle is installed anchor cable with anchor because the supporting plate of installing in the aperture can not be vertical fully, cause ground tackle stretch-draw anchor cable active force out of plumb, the intermediate plate stress surface of ground tackle is inhomogeneous, and the snap-in force of ground tackle also just can not maximum optimization, and the stress surface of ground tackle is in a single day inhomogeneous, be easy to cause pulling force not enough, ground tackle progressively glides, even slip drops, to such an extent as to anchoring falls flat, when artificially not finding, potential safety hazard will take place.
Summary of the invention
The object of the present invention is to provide a kind of high-mechanical property that has, strong absorption affinity can self-regulating angle and can carry out the self-regulating angle spiral ribs grouting cable anchor assembly that full section slip casting anchor is annotated.
The technical scheme that realizes the object of the invention is: the present invention has anchor cable cable body, ground tackle; Described anchor cable cable body is to be that cable core is twisted with the fingers and strand to be formed with the Grouting Pipe by the steel hank knotting.Described Grouting Pipe is made up of grout outlet, gunniting hole and grouting port in a tubular form.Described ground tackle is by pallet, anchor ring, and the anchor cable intermediate plate is formed, and wherein match in the hemispherical protruding end of the hemispherical concave station of pallet and anchor ring.The anchor cable cable body penetrates from the through hole of pallet, by pallet and the anchor ring that matches, is passed by the anchor hole of anchor ring cylindrical end, clamps the anchor cable cable body by the anchor cable intermediate plate in anchor hole.
Above-mentioned anchor cable cable body is that cable core sth. made by twisting thigh forms with the Grouting Pipe by five to eight steel hank knottings.
Above-mentioned gunniting hole from the grout outlet to the grouting port by being arranged on the Grouting Pipe to the mode of dredging by close.
Above-mentioned Grouting Pipe is being provided with two to four gunniting holes to one meter every 50mm by grout outlet zero, is provided with two to four gunniting holes to one meter of distance injected hole every 300mm from one meter of distance grout outlet.
Above-mentioned Grouting Pipe is provided with two relative gunniting holes on the same plane perpendicular to the Grouting Pipe axis.
Above-mentioned steel hank knotting surface has a rib at least.
Above-mentioned rib mode with spiral on steel hank knotting axis direction is arranged on the surface of steel hank knotting.
Four ribs that are evenly distributed are arranged on the surface of above-mentioned steel hank knotting.
The exterior bottom of above-mentioned anchor cable intermediate plate has a circle draw-in groove, is provided with jump ring in the draw-in groove, and jump ring flexibly connects into the truncated cone anchor cable intermediate plate that has through hole with two to four mortice lock teeth.
Above-mentioned anchor hole be shaped as the frustum of a cone, and small end is on the hemispherical protruding end.
Above-mentioned respectively the lock has the slit between the tooth.
The lock tooth inboard of above-mentioned anchor cable intermediate plate is provided with the hangnail screw thread.
The lock toilet article of above-mentioned anchor cable intermediate plate have three.
The case hardness of above-mentioned anchor cable intermediate plate is HRC60, and inner hardness is HRC45.
The present invention has positive effect: (1) the present invention twists with the fingers thigh by helix rib steel hank knotting and Grouting Pipe and forms.The effect that has realized cable bolting effect and grouting and reinforcing combines, and makes its anchoring scope and anchored force increase greatly, has saved the consumption of boring rig and the consumption of anchor cable material, thereby has reduced cost; (2) because the existence of spiral ribs make that the gap between the steel hank knotting increases, increases, so its slip casting effect is fairly obvious, has increased anchored force, especially the reinforcing to damaged tunnel has more superiority again in the present invention; (3) the outside helix rib steel hank knotting that adopts of anchor cable of the present invention not only have the better anchoring strength and stiffness, and anchoring ductility is good, is conducive to the load that withstands shocks; (4) anchor cable of the present invention outside is the steel hank knotting of muscle with ribbing, and forms continuous concave-convex clutch tooth between anchoring agent or concrete, makes the absorption affinity of anchor cable increase greatly, thereby reaches desirable anchoring effect; (5) the present invention on Grouting Pipe from the grout outlet to the grouting port by by close to the mode of the dredging gunniting hole of arranging, thereby realize that full section anchor annotates, increased the support capacity of anchor cable greatly.(6) the present invention is combined by the pallet that has the hemispherical concave station, the anchor ring that has the hemispherical protruding end and anchor cable intermediate plate, owing to be in vertical state after the effect of sphere can keep ground tackle and anchor cable is stressed all the time, thereby can guarantee the even of snap-in force, under equal active force, the possibility that ground tackle comes off, glides reduces greatly; (7) tooth of respectively locking of anchor cable intermediate plate of the present invention flexibly connects by jump ring, makes very conveniently when mounted, also is not easy to be scattered, and respectively locks and the slit is arranged between the tooth and be provided with the hangnail screw thread in lock tooth inboard, makes the anchor cable intermediate plate can better clip anchor cable.
Description of drawings
Content of the present invention is easier to be expressly understood in order to make, and according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation, wherein below
Fig. 1 is spiral ribs grouting cable anchor assembly sectional view;
Fig. 2 is A-A sectional view among Fig. 1;
Fig. 3 is the axial sectional view of Grouting Pipe;
Fig. 4 is B-B sectional view among Fig. 3;
Fig. 5 is steel hank knotting front view;
Fig. 6 is C-C sectional view among Fig. 5;
Fig. 7 is the pallet sectional view.
Fig. 8 is the anchor ring sectional view.
Fig. 9 is anchor cable intermediate plate front view.
Figure 10 is anchor cable intermediate plate sectional view.
The specific embodiment
See Fig. 1 to Fig. 7, the present invention has anchor cable cable body 1, ground tackle 2; Described anchor cable cable body 1 is to be that cable core is twisted with the fingers and strand to be formed by six roots of sensation steel hank knotting 12 with Grouting Pipe 11.Grouting Pipe 11 is made up of grout outlet 111, gunniting hole 112 and grouting port 113 in a tubular form, thereby the effect that has realized cable bolting effect and grouting and reinforcing combines, and makes its anchoring scope and anchored force increase greatly.Grouting Pipe 11 is being provided with two relative gunniting holes 112 by 111 0 to one meters of grout outlet every 50mm, be provided with two relative gunniting holes 112 to 113 1 meters of distance injected hole every 300mm from 111 1 meters of distance grout outlets, thereby realize full section anchor notes, increased the support capacity of anchor cable greatly.The surface of steel hank knotting 12 is evenly distributed four ribs 121 in the mode of spiral at steel hank knotting 12 axis directions, because the existence of spiral ribs, make the gap between the steel hank knotting increase, increase, therefore its slip casting effect is fairly obvious, increased anchored force, and the anchoring ductility of anchor cable is good, is conducive to the load that withstands shocks.Ground tackle 2 is by pallet 21, anchor ring 22, and anchor cable intermediate plate 23 is formed, and wherein match in the hemispherical protruding end 222 of the hemispherical concave station 212 of pallet 21 and anchor ring 22.Anchor cable cable body 1 penetrates from the through hole 211 of pallet 21, by pallet 21 and the anchor ring 22 that matches, is passed by the anchor hole 221 of anchor ring 22 cylindrical ends 223, clamps anchor cable cable bodies 1 by anchor cable intermediate plate 23 in anchor hole 221.Under the effect of sphere, can keep being in vertical state all the time after making ground tackle 2 and anchor cable cable body 1 stressed, thereby can guarantee snap-in force evenly, under equal active force, the possibility that ground tackle 2 comes off, glides reduces greatly.The exterior bottom of described anchor cable intermediate plate 23 has a circle draw-in groove 233, is provided with jump ring 3 in the draw-in groove 233, and jump ring 3 flexibly connects into the truncated cone anchor cable intermediate plate 23 that has through hole with two to four mortice lock teeth 231.Very convenient when mounted, also be not easy to be scattered.And the inside of lock tooth 231 is provided with hangnail screw thread 232, makes anchor cable intermediate plate 23 can better clip anchor cable cable body 1.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a self-regulating angle spiral ribs grouting cable anchor assembly has anchor cable cable body (1), ground tackle (2); It is characterized in that: described anchor cable cable body (1) is to be that cable core is twisted with the fingers and strand to be formed by steel hank knotting (12) with Grouting Pipe (11).Described Grouting Pipe (11) is made up of grout outlet (111), gunniting hole (112) and grouting port (113) in a tubular form.Described ground tackle (2) is by pallet (21), anchor ring (22), and anchor cable intermediate plate (23) is formed, and wherein match in the hemispherical protruding end (222) of the hemispherical concave station (212) of pallet (21) and anchor ring (22).Anchor cable cable body (1) penetrates from the through hole (211) of pallet (21), by pallet (21) and the anchor ring (22) that matches, anchor hole (221) by anchor ring (22) cylindrical end (223) passes, and clamps anchor cable cable body (1) by anchor cable intermediate plate (23) in anchor hole (221).
2. self-regulating angle spiral ribs grouting cable anchor assembly according to claim 1 is characterized in that: described anchor cable cable body (1) is that cable core is twisted with the fingers and strand formed by five to eight steel hank knottings (12) with Grouting Pipe (11).
3. self-regulating angle spiral ribs grouting cable anchor assembly according to claim 2 is characterized in that: described gunniting hole (112) from grout outlet (111) to grouting port (113) by being arranged on the Grouting Pipe (11) to the mode of dredging by close.
4. self-regulating angle spiral ribs grouting cable anchor assembly according to claim 3, it is characterized in that: described Grouting Pipe (11) is being provided with two to four gunniting holes (112) to one meter every 50mm by grout outlet (111) zero, from (111) one meters of distance grout outlets to being provided with two to four gunniting holes (112) apart from (113) one meters of injected hole every 300mm.
5. self-regulating angle spiral ribs grouting cable anchor assembly according to claim 4, it is characterized in that: described Grouting Pipe (111) is provided with two relative gunniting holes on the same plane perpendicular to Grouting Pipe (111) axis.
6. according to one of them described self-regulating angle spiral ribs grouting cable anchor assembly of claim 1 to 5, it is characterized in that: four ribs (121) that described steel hank knotting (12) surface is evenly distributed in the mode of spiral on steel hank knotting (12) axis direction.
7. self-regulating angle spiral ribs grouting cable anchor assembly according to claim 6, it is characterized in that: the exterior bottom of described anchor cable intermediate plate (23) has a circle draw-in groove (233), be provided with jump ring (3) in the draw-in groove (233), jump ring (3) flexibly connects into three mortice lock teeth (231) the truncated cone anchor cable intermediate plate (23) that has through hole.
8. self-regulating angle spiral ribs grouting cable anchor assembly according to claim 7 is characterized in that: described anchor hole (221) be shaped as the frustum of a cone, and small end is on hemispherical protruding end (222).
9. self-regulating angle spiral ribs grouting cable anchor assembly according to claim 8, it is characterized in that: respectively locking of described anchor cable intermediate plate (23) has slit (234) between the tooth (231), and lock tooth (231) inboard is provided with hangnail screw thread (232).
10. according to one of them described self-regulating angle spiral ribs grouting cable anchor assembly of claim 7 to 9, it is characterized in that: the case hardness of described anchor cable intermediate plate (23) is HRC60, and inner hardness is HRC45.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100693222A CN103306695A (en) | 2012-03-15 | 2012-03-15 | Spiral fin grouting anchor cable assembly with adjustable angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100693222A CN103306695A (en) | 2012-03-15 | 2012-03-15 | Spiral fin grouting anchor cable assembly with adjustable angle |
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| CN103306695A true CN103306695A (en) | 2013-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100693222A Pending CN103306695A (en) | 2012-03-15 | 2012-03-15 | Spiral fin grouting anchor cable assembly with adjustable angle |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405423A (en) * | 2014-10-23 | 2015-03-11 | 山西晋城无烟煤矿业集团有限责任公司 | Mining grouting anchor rope |
| CN104594930A (en) * | 2015-01-04 | 2015-05-06 | 安徽理工大学 | Novel sphere type anchor rope applicable to faults and other geological structure damaged sections |
| CN107120130A (en) * | 2017-05-25 | 2017-09-01 | 中国矿业大学 | A kind of anti-skidding self-locking device of Anchor Cable Anchorage and its application method |
| CN107288644A (en) * | 2017-08-04 | 2017-10-24 | 中船重型装备有限公司 | Radial type for shield machine soil improvement and Advance Drilling injects pore structure |
| CN110130960A (en) * | 2019-05-17 | 2019-08-16 | 贵州开磷有限责任公司 | A kind of inclined orebody top plate ore bed suspension device and its installation method |
| CN110159329A (en) * | 2019-06-27 | 2019-08-23 | 湖南科技大学 | A kind of device and method for reinforcing anchor pole tail thread segment stress |
| CN111236227A (en) * | 2020-01-20 | 2020-06-05 | 宁波市建筑设计研究院有限公司 | Collapsible anchor |
| CN111764942A (en) * | 2020-07-08 | 2020-10-13 | 山东科技大学 | Triangular grouting anchor rod and preparation method thereof |
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| CN201982124U (en) * | 2011-01-18 | 2011-09-21 | 李文惠 | Improved grouting anchor rope |
| CN202628132U (en) * | 2012-03-15 | 2012-12-26 | 常州双江机械科技有限公司 | Spiral fin grouting anchor rope assembly with self-adjustable angle |
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2012
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0972199A (en) * | 1995-09-05 | 1997-03-18 | Shimizu Corp | Rock anchor cable and driving method of rock anchor making use thereof |
| AU2003200816B2 (en) * | 2001-10-15 | 2007-10-18 | Quantax Pty Ltd | Reinforcing member |
| CN2653131Y (en) * | 2003-10-08 | 2004-11-03 | 济南澳科矿山工程技术有限公司 | Adjustable anchorage cable |
| CN2856108Y (en) * | 2006-01-12 | 2007-01-10 | 熊兢 | Steel stranded conductor for prestressed concrete and mine anchorage cable |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405423A (en) * | 2014-10-23 | 2015-03-11 | 山西晋城无烟煤矿业集团有限责任公司 | Mining grouting anchor rope |
| CN104594930A (en) * | 2015-01-04 | 2015-05-06 | 安徽理工大学 | Novel sphere type anchor rope applicable to faults and other geological structure damaged sections |
| CN107120130A (en) * | 2017-05-25 | 2017-09-01 | 中国矿业大学 | A kind of anti-skidding self-locking device of Anchor Cable Anchorage and its application method |
| CN107288644A (en) * | 2017-08-04 | 2017-10-24 | 中船重型装备有限公司 | Radial type for shield machine soil improvement and Advance Drilling injects pore structure |
| CN110130960A (en) * | 2019-05-17 | 2019-08-16 | 贵州开磷有限责任公司 | A kind of inclined orebody top plate ore bed suspension device and its installation method |
| CN110159329A (en) * | 2019-06-27 | 2019-08-23 | 湖南科技大学 | A kind of device and method for reinforcing anchor pole tail thread segment stress |
| CN111236227A (en) * | 2020-01-20 | 2020-06-05 | 宁波市建筑设计研究院有限公司 | Collapsible anchor |
| CN111764942A (en) * | 2020-07-08 | 2020-10-13 | 山东科技大学 | Triangular grouting anchor rod and preparation method thereof |
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Application publication date: 20130918 |