CN202628132U - Spiral fin grouting anchor rope assembly with self-adjustable angle - Google Patents
Spiral fin grouting anchor rope assembly with self-adjustable angle Download PDFInfo
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- CN202628132U CN202628132U CN 201220098707 CN201220098707U CN202628132U CN 202628132 U CN202628132 U CN 202628132U CN 201220098707 CN201220098707 CN 201220098707 CN 201220098707 U CN201220098707 U CN 201220098707U CN 202628132 U CN202628132 U CN 202628132U
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- anchor
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Abstract
The utility model relates to a spiral fin grouting anchor rope assembly with a self-adjustable angle, and the spiral fin grouting anchor rope assembly is provided with an anchor rope body and an anchor gear, wherein the anchor rope body is formed by twisting steel wires adopting a grouting pipe as a core. The grouting pipe is of a tubular shape and consists of a slurry outlet, a slurry spraying hole and a grouting port. The anchor gear consists of a tray, an anchor ring and an anchor rope clamping piece, wherein a semispherical concave platform of the tray is matched with a semispherical protruded end of the anchor ring. The anchor rope body penetrates in through a through hole of the tray, runs through the mutually-matched tray and the anchor ring and is led out from an anchoring hole on the cylindrical end of the anchor ring, and the anchor rope body is tightly clamped by the anchor rope clamping piece inside the anchoring hole. Through the self adjusting function, the anchor gear and the anchor rope always stay at a vertical state after being stressed, so that the uniformity in occlusal force can be guaranteed, and the possibility that the anchor gear is dropped off and slides down can be greatly reduced under the same acting force. Due to adoption of the spiral fin grouting anchor rope assembly, the combination of the supporting effect of the anchor rope and the grouting reinforcement effect is realized, so that the anchoring range and the anchoring force can be greatly increased, the consumption of a drilling machine and the consumption of the anchor rope material can be saved, and the cost can be reduced.
Description
Technical field
The utility model 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 reduce 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 the several strands of plain bar hank knottings system of twisting with the fingers.Because the periphery of anchor cable is the plain bar hank knotting, so the absorption affinity when anchor cable and anchoring agent or concrete setting is not so good as the good of matsurface.Secondly because anchoring agent anchorage part is short, and very inhomogeneous, can't reach good anchoring effect.When the anchoring agent is installed, in boring, fill in the anchoring agent earlier, insert anchor cable by force and stir, still; The anchoring agent of filling in is most of is pushed up the deep in hole by anchor cable, and after the anchoring agent of doing (rarer anchoring agent meeting when not solidifying outside the tap hole) mixed, the actual anchorage part of anchoring agent that should 1 meter long had only about half meter; And the anchorage part space is a lot; The anchoring agent is not fully solidified in aggregatesly with anchor cable and crag, does not reach good anchoring property, even often runs 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, the 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 at present; 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; Anchor cable because the supporting plate of installing in the aperture can not be fully vertical, caused ground tackle stretch-draw anchor cable active force out of plumb with anchor when this just caused the installation ground tackle, and the intermediate plate stress surface of ground tackle is inhomogeneous; 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, is 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.
The utility model content
The purpose of the utility model is to provide a kind of high-mechanical property that has, and 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 utility model purpose is: the utlity model has the anchor cable cable body, ground tackle; Said 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.Said Grouting Pipe is made up of grout outlet, gunniting hole and grouting port in a tubular form.Said 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, through pallet and the anchor ring that matches, is passed by the anchor hole of anchor ring cylindrical end, in anchor hole, clamps the anchor cable cable body by the anchor cable intermediate plate.
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.
Grout outlet zero is every to one meter to be provided with two to four gunniting holes at a distance from 50mm to above-mentioned Grouting Pipe leaning on, from being provided with two to four gunniting holes to every apart from one meter of injected hole at a distance from 300mm apart from one meter of 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 mode with spiral on steel hank knotting axis direction is evenly distributed four ribs.
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 three mortice lock teeth the truncated cone anchor cable intermediate plate that becomes to have through hole.
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 utlity model has positive effect: (1) the utility model is twisted with the fingers thigh by helix rib steel hank knotting and Grouting Pipe and is formed.The effect that has realized cable bolting effect and grouting and reinforcing combines, and makes its anchoring scope and anchored force increase greatly, has practiced thrift 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 to the utility model again; (3) the outside helix rib steel hank knotting that adopts of the anchor cable of the utility model not only have the better anchoring strength and stiffness, and anchoring ductility is good, helps the load that withstands shocks; (4) anchor cable of the utility model 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 utility model 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 utility model 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 the anchor cable intermediate plate of the utility model flexibly connects through 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
For the content that makes the utility model is expressly understood more easily,, the utility model is done further detailed explanation, wherein below according to specific embodiment and combine accompanying drawing
Fig. 1 is a spiral ribs grouting cable anchor assembly sectional view;
Fig. 2 is an A-A sectional view among Fig. 1;
Fig. 3 is the axial sectional view of Grouting Pipe;
Fig. 4 is a B-B sectional view among Fig. 3;
Fig. 5 is a steel hank knotting front view;
Fig. 6 is a 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 an anchor cable intermediate plate front view.
Figure 10 is an anchor cable intermediate plate sectional view.
The specific embodiment
See Fig. 1 to Fig. 7, the utlity model has anchor cable cable body 1, ground tackle 2; Said 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 leaning on the every separated 50mm in 111 0 to one meters of grout outlet to be provided with two relative gunniting holes 112; From being provided with two relative gunniting holes 112 to every at a distance from 300mm apart from 113 1 meters of injected hole apart from 111 1 meters of 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 with the mode of spiral on steel hank knotting 12 axis directions; Because the existence of spiral ribs; Make the gap between the steel hank knotting increase, increase, so its slip casting effect is fairly obvious, has increased anchored force; And the anchoring ductility of anchor cable is good, helps 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, through the pallet that matches 21 and anchor ring 22, pass by the anchor hole 221 of anchor ring 22 cylindrical ends 223, anchor hole 221 in by anchor cable intermediate plate 23 clamping anchor cable cable bodies 1.Under the effect of sphere, can keep being in vertical state all the time after making ground tackle 2 and anchor cable cable body 2 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 said 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 the truncated cone anchor cable intermediate plate 23 that becomes to have 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, technical scheme and beneficial effect to the utility model have carried out further explain, it should be understood that the above is merely the specific embodiment of the utility model; Be not limited to the utility model; All within the spirit and principle of the utility model, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
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: said 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); Said Grouting Pipe (11) is made up of grout outlet (111), gunniting hole (112) and grouting port (113) in a tubular form; Said ground tackle (2) is by pallet (21); Anchor ring (22), 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); Through pallet (21) and the anchor ring (22) that matches, pass by the anchor hole (221) of anchor ring (22) cylindrical end (223), in anchor hole (221), clamp anchor cable cable body (1) by anchor cable intermediate plate (23).
2. self-regulating angle spiral ribs grouting cable anchor assembly according to claim 1 is characterized in that: said anchor cable cable body (1) is that cable core sth. made by twisting thigh forms 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: said 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: grout outlet (111) zero is every to one meter to be provided with two to four gunniting holes (112) at a distance from 50mm to said Grouting Pipe (11) leaning on, from being provided with two to four gunniting holes (112) to every apart from (113) one meters of injected hole at a distance from 300mm apart from (111) one meters of grout outlets.
5. self-regulating angle spiral ribs grouting cable anchor assembly according to claim 4 is characterized in that: said 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: said steel hank knotting (12) surface mode with spiral on steel hank knotting (12) axis direction is evenly distributed four ribs (121).
7. self-regulating angle spiral ribs grouting cable anchor assembly according to claim 6; It is characterized in that: the exterior bottom of said 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 three mortice lock teeth (231) the truncated cone anchor cable intermediate plate (23) that becomes to have through hole.
8. self-regulating angle spiral ribs grouting cable anchor assembly according to claim 7 is characterized in that: said 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 is characterized in that: respectively locking of said 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 said anchor cable intermediate plate (23) is HRC60, and inner hardness is HRC45.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220098707 CN202628132U (en) | 2012-03-15 | 2012-03-15 | Spiral fin grouting anchor rope assembly with self-adjustable angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220098707 CN202628132U (en) | 2012-03-15 | 2012-03-15 | Spiral fin grouting anchor rope assembly with self-adjustable angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202628132U true CN202628132U (en) | 2012-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220098707 Expired - Fee Related CN202628132U (en) | 2012-03-15 | 2012-03-15 | Spiral fin grouting anchor rope assembly with self-adjustable angle |
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| CN (1) | CN202628132U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306695A (en) * | 2012-03-15 | 2013-09-18 | 常州双江机械科技有限公司 | Spiral fin grouting anchor cable assembly with adjustable angle |
| CN103572773A (en) * | 2013-11-19 | 2014-02-12 | 中国电力科学研究院 | Pre-tensioning self-locking mechanism, rock bolt foundation and construction method thereof |
| CN109184763A (en) * | 2018-11-12 | 2019-01-11 | 华北科技学院 | Coal mine compound roof support device |
-
2012
- 2012-03-15 CN CN 201220098707 patent/CN202628132U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306695A (en) * | 2012-03-15 | 2013-09-18 | 常州双江机械科技有限公司 | Spiral fin grouting anchor cable assembly with adjustable angle |
| CN103572773A (en) * | 2013-11-19 | 2014-02-12 | 中国电力科学研究院 | Pre-tensioning self-locking mechanism, rock bolt foundation and construction method thereof |
| CN109184763A (en) * | 2018-11-12 | 2019-01-11 | 华北科技学院 | Coal mine compound roof support device |
| CN109184763B (en) * | 2018-11-12 | 2020-02-18 | 华北科技学院 | Coal mine composite roof supporting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20140315 |