CN202544878U

CN202544878U - Spiral rib grouting anchor cable

Info

Publication number: CN202544878U
Application number: CN2012200986816U
Authority: CN
Inventors: 李飚; 李金洲; 黄建平; 宋亮; 王毅
Original assignee: CHANGZHOU SHUANGJIANG TECHNOLOGY MACHINERY Co Ltd
Current assignee: CHANGZHOU SHUANGJIANG TECHNOLOGY MACHINERY Co Ltd
Priority date: 2012-03-15
Filing date: 2012-03-15
Publication date: 2012-11-21
Anticipated expiration: 2022-03-15

Abstract

The utility model relates to a spiral rib grouting anchor cable, which comprises an anchor cable body, wherein the anchor cable body is formed by stranding six steel stranded wires and a grouting tube which serves as a cable core; four ribs are uniformly distributed on the surface of each steel stranded wire in a spiral mode along the axis direction of each steel stranded wire; the grouting tube is tubular and consists of a grout outlet, grout spraying holes and a grouting port; and the grout spraying holes are formed between the grout outlet and the grouting port on the grouting tube and gradually scattered. By adoption of spiral rib steel stranded wires and the grouting tube in which the grout spraying holes are formed in a full-section sparse-dense mode, the spiral rib grouting anchor cable is a novel grouting anchor cable which is high in mechanical performance, high in absorption force and good in grout discharge effect, and can realize full-section bolt-grouting.

Description

The spiral ribs grouting cable anchor

Technical field

The utility model relates to a kind of component of cable bolting, particularly a kind of spiral ribs grouting cable anchor.

Background technology

The grouting cable anchor supporting is that the effect with the support action of anchor cable and grouting and reinforcing combines, and acting in conjunction is in roadway surrounding rock, presses through grouting cable anchor to be marked with machine or inorganic slurry; Can not only guarantee fundamentally that anchorage cable anchoring is reliable; And slurries can be penetrated into around the boring in a big way the rock mass, and the rock mass that occurs becoming flexible is produced the adhesive solidification effect, significantly improve its globality; Improve rock mass self-supporting ability, thereby improve the roadway support effect greatly.

At present, the anchor cable of grouting cable anchor supporting all is to be formed by several strands of plain bar hank knottings and the Grouting Pipe system of twisting with the fingers.Because the periphery of grouting cable anchor 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.And the grouting cable anchor formed of plain bar hank knotting can be little and influence the discharge of concrete grout because twist with the fingers steel hank knotting gap, system back, causes slip casting effect undesirable.Grouting cable anchor at present commonly used can only carry out anchor pouring reinforcement to the anchor cable deep through plasma discharge, and it is little therefore to have a bearing capacity, and supporting intensity is low, the problem that the supporting scope is little.

The utility model content

The purpose of the utility model is to provide a kind of high-mechanical property that has, strong absorption affinity, and plasma discharge is effective and can realize the spiral ribs grouting cable anchor that full section anchor is annotated.

The technical scheme that realizes the utility model purpose is: the utlity model has the anchor cable cable body, said anchor cable cable body is to be that cable core is twisted with the fingers and strand formed with the Grouting Pipe by the steel hank knotting.

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 Grouting Pipe is made up of grout outlet, gunniting hole and grouting port in a tubular form.

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 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 utlity model has positive effect: the outside of (1) the utility model 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; (2) the helix rib steel hank knotting is adopted in the outside of the utility model, not only have the better anchoring strength and stiffness, and anchoring ductility is good, helps the load that withstands shocks; (3) the utility model is formed by helix rib steel hank knotting and Grouting Pipe sth. made by twisting thigh.Because the existence of spiral ribs makes that the gap between the steel hank knotting increases, increases, so its slip casting effect obviously improves, and increased anchored force; (4) 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.

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 the anchor cable transverse sectional view;

Fig. 2 is the axial sectional view of Grouting Pipe;

Fig. 3 is an A-A sectional view among Fig. 2;

Fig. 4 is a steel hank knotting front view;

Fig. 5 is a B-B sectional view among Fig. 4.

The specific embodiment

See Fig. 1 to Fig. 5, the utlity model has anchor cable cable body 1; 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.Four ribs 121 that are evenly distributed are wherein arranged on the surface of steel hank knotting 12, and rib 121 mode with spiral on steel hank knotting 12 axis directions is arranged on the surface of steel hank knotting (12).Because the existence of rib 121 makes anchor cable cable body 1 have better mechanical performance, and the absorption affinity that produces when solidifying between anchoring agent or concrete increases greatly, thereby reaches desirable anchoring effect.The cable core of anchor cable cable body 1 is a Grouting Pipe 11, and said Grouting Pipe 11 is made up of grout outlet 111, gunniting hole 112 and grouting port 113 in a tubular form.111 0 to one meters of grout outlet are every to be provided with two relative gunniting holes 112 at a distance from 50mm to Grouting Pipe 11 leaning on, from apart from 111 1 meters of grout outlets to every separated 300mm is provided with two relative gunniting holes 112 apart from 113 1 meters of injected hole.Because the existence of spiral ribs, make the gap of 12 of steel hank knottings increase, increase, so its slip casting effect obviously improve, increased anchored force.Through on Grouting Pipe 11 by having realized that to the mode of the dredging gunniting hole 112 of arranging complete section anchor is annotated by close, increased the support capacity of anchor cable greatly.

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

1. a spiral ribs grouting cable anchor has anchor cable cable body (1); 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).

2. spiral ribs grouting cable anchor 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. spiral ribs grouting cable anchor according to claim 2 is characterized in that: said Grouting Pipe (11) is made up of grout outlet (111), gunniting hole (112) and grouting port (113) in a tubular form.

4. spiral ribs grouting cable anchor according to claim 3 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.

5. spiral ribs grouting cable anchor according to claim 4; 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.

6. according to one of them described spiral ribs grouting cable anchor of claim 2 to 5, it 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.

7. according to one of them described spiral ribs grouting cable anchor of claim 1 to 5, it is characterized in that: said steel hank knotting (12) surface has a rib (121) at least.

8. spiral ribs grouting cable anchor according to claim 7 is characterized in that: said rib (121) mode with spiral on steel hank knotting (12) axis direction is arranged on the surface of steel hank knotting (12).

9. spiral ribs grouting cable anchor according to claim 8 is characterized in that: four ribs (121) that are evenly distributed are arranged on the surface of said steel hank knotting (12).