CN210086267U - Prestressed anchor cable - Google Patents
Prestressed anchor cable Download PDFInfo
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- CN210086267U CN210086267U CN201920879692.XU CN201920879692U CN210086267U CN 210086267 U CN210086267 U CN 210086267U CN 201920879692 U CN201920879692 U CN 201920879692U CN 210086267 U CN210086267 U CN 210086267U
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- anchor
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Abstract
The utility model discloses a prestressed anchor cable, which comprises an anchor head and an anchor cable main body; the anchor cable main body comprises a plurality of steel strands and is divided into a free section and an anchoring section; the anchoring section is provided with a plurality of brackets, and the steel strands of the anchoring section are sequentially connected with the brackets in series; and the steel strand of the anchoring section is provided with a contraction ring buckle between every two brackets; the steel strand of the free section is coated with epoxy anticorrosive paint, and the outer side of the steel strand of the free section is sleeved with a flexible corrugated pipe; the inside of bellows is filled with industry lubricating oil, and the relative both ends in the bellows outside are sealed respectively and are had the sealing member. The free section of anchor rope main part has adopted sealed soft bellows as the protective equipment of protection steel strand wires, and when it can protect unsettled free section anchor rope not corroded by external environment, the softer flexible of bellows material for the free section of anchor rope main part can freely be crooked, also can accomplish the operation that the anchor goes into the anchor hole smoothly under the narrow and small condition in construction space, has improved the efficiency of construction.
Description
Technical Field
The utility model relates to a reinforced (rfd) technical field of side slope especially relates to a prestressed anchorage cable.
Background
The prestressed anchor cable is a cable-shaped support for anchoring the anchor cable in the rock body by adopting a prestressed method and is used for reinforcing the side slope. The anchor cable is anchored into the rock body through the anchor hole on the weak structural plane of the rock body by the anchor head, and the sliding rock body of the side slope is connected with the stable rock layer, so that the stress state of the rock body of the side slope is changed, and the integrity and the strength of the unstable rock body of the side slope are improved.
In order to ensure that the prestressing force is formed by the tension of the free section of the anchor cable and to ensure that the free section of the suspended anchor cable is not corroded, the anchor cable steel strand is usually sleeved with a hard PVC pipe. However, the construction environment is often complicated, and when the construction space is narrow, the anchor cable sleeved with the hard PVC pipe is difficult to insert into the anchor hole, which increases the construction difficulty and reduces the construction efficiency.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to prior art's not enough, provide a prestressed anchorage cable, can solve prestressed anchorage cable and be difficult to the problem of installation in narrow region, guarantee simultaneously that the free section anchor rope has certain corrosion resisting property, avoid taking place to corrode within the service life.
In order to achieve the above object, the present invention provides the following technical solutions:
a prestressed anchor cable comprises an anchor head and an anchor cable main body which are connected with each other;
the anchor head comprises a steel base plate and an anchor, and the steel base plate is connected to the anchor cable main body;
the anchor cable main body comprises a primary grouting pipe, a secondary grouting pipe and a plurality of steel strands, and is divided into a free section and an anchoring section; one end of the free section, which is far away from the anchoring section, is connected to the steel base plate;
the anchoring section is provided with a plurality of brackets at equal intervals, and the steel strands of the anchoring section are sequentially connected with the brackets in series; a contraction ring buckle is arranged between every two brackets of the steel strand of the anchoring section, and the steel strand is bound into a wire bundle by the contraction ring buckle;
the steel strand of the free section is coated with epoxy anticorrosive paint, and a flexible corrugated pipe is sleeved on the outer side of the steel strand of the free section; the inside of bellows is filled with industrial lubricating oil, and the relative both ends in the bellows outside are sealed respectively and are had the sealing member.
Optionally, one end, away from the free section, of the steel strand of the anchoring section is sleeved with a guide cap, and the guide cap is used for restraining the end of the steel strand.
Optionally, the surface of the steel strand of the free section is wrapped with a first film and a second film; industrial lubricating oil is arranged between the first film and the steel strand; and industrial lubricating oil is also arranged between the first film and the second film.
Optionally, the surfaces of the steel backing plate and the anchorage device are coated with epoxy anticorrosive paint.
Optionally, the first film and the second film are both polyester films.
Optionally, the sealing element is an engineering tape.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a prestressed anchorage cable, the free section of anchor rope main part has adopted sealed soft bellows as the protective equipment of protection steel strand wires, and when it can protect unsettled free section anchor rope not corroded by external environment, the softer flexible of bellows material for the free section of anchor rope main part can freely be crooked, also can accomplish the operation that the anchor goes into the anchor hole smoothly under the narrow and small condition in construction space, has improved the efficiency of construction.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a prestressed anchor cable provided by the present invention;
fig. 2 is a schematic structural view of an anchoring section of the anchor cable main body in the embodiment;
fig. 3 is a schematic structural view of a free section of the anchor cable body in the present embodiment;
fig. 4 is a cross-sectional view of the steel strand of the free section in this embodiment.
Illustration of the drawings:
1. an anchor head; 2. an anchor cable main body; 3. steel strand wires;
11. a steel backing plate; 12. an anchorage device;
21. an anchoring section; 211. a bracket; 212. shrinking the ring buckle;
22. a free section; 221. a bellows; 222. a seal member;
31. industrial lubricating oil; 32. a guide cap; 33. a first film; 34. a second film; 35. epoxy anticorrosive paint.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are clearly and completely described with reference to the drawings in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Furthermore, the terms "long", "short", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of describing the present invention, but do not indicate or imply that the device or element referred to must have the specific orientation, operate in the specific orientation configuration, and thus, should not be construed as limiting the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Please refer to fig. 1, fig. 2, fig. 3 and fig. 4; fig. 1 is a schematic structural view of a prestressed anchor cable provided by the present invention, fig. 2 is a schematic structural view of an anchoring section of an anchor cable main body in this embodiment, and fig. 3 is a schematic structural view of a free section of the anchor cable main body in this embodiment; FIG. 4 is a cross-sectional view of the steel strand of the free section of this embodiment;
the prestressed anchor cable comprises an anchor head 1 and an anchor cable main body 2 which are connected with each other;
the anchor head 1 comprises a steel backing plate 11 and an anchorage device 12, and the steel backing plate 11 is connected to the anchor cable main body 2; the anchorage device 12 is connected with a concrete waist beam of the side slope, and the steel backing plate 11 is used for connecting the anchorage device 12 and the anchor cable main body 2; specifically, after stress is applied, the anchor head 1 reacts on a concrete wale of the side slope, so that a sliding rock body is fastened on the side slope, and the side slope is reinforced;
in this embodiment, the surfaces of the steel shim plate 11 and the anchor 12 are coated with epoxy anticorrosive paint 35.
The anchor cable main body 2 comprises a primary grouting pipe, a secondary grouting pipe and a plurality of steel strands 3, and the anchor cable main body 2 is divided into a free section 22 and an anchoring section 21; one end of the free section 22, which is far away from the anchoring section 21, is connected to the steel backing plate 11;
the anchoring section 21 is provided with a plurality of brackets 211 at equal intervals, and the steel strands 3 of the anchoring section 21 are sequentially connected with the brackets 211 in series; specifically, the bracket 211 plays a supporting role, and is used for supporting a plurality of steel strands 3;
a contraction ring buckle 212 is arranged between every two brackets 211 of the steel strand 3 of the anchoring section 21, and the contraction ring buckle 212 binds the steel strand 3 into a wire bundle;
the steel strand 3 of the free section 22 is coated with epoxy anti-corrosion paint 35, and the outer side of the steel strand 3 of the free section 22 is sleeved with a flexible corrugated pipe 221; the interior of the bellows 221 is filled with industrial lubricant 31, and opposite ends of the outside of the bellows 221 are sealed with seals 222, respectively.
Specifically, the sealing member 222 is a engineering tape.
Further, a guide cap 32 is sleeved at one end, away from the free section 22, of the steel strand 3 of the anchoring section 21; in particular, the guide cap 32 is used to bind the ends of the steel strands 3 for insertion into the anchoring holes in the slope.
In the actual operation, drill the anchor hole on the side slope, then anchor the utility model discloses a prestressed anchorage cable in the anchor hole, specifically, insert anchor section 21 of anchor rope main part 2 in the anchor hole, after the tip of anchor section 21 deepened the firm rock stratum of side slope, utilize grout pipe and secondary grout pipe to carry out twice grout respectively; finally, fixing the anchorage 12 of the prestressed anchor cable on the concrete wale of the side slope;
further, the surface of the steel strand 3 of the free section 22 is wrapped with a first film 33 and a second film 34; an industrial lubricating oil 31 is arranged between the first film 33 and the steel strand 3; the industrial lubricant 31 is also provided between the first film 33 and the second film 34.
In this embodiment, the first film 33 and the second film 34 are both polyester films.
In actual operation, the surface of the steel strand 3 of the free section 22 is coated with epoxy anticorrosive paint 35 times, is coated with butter and is wrapped with a polyester film, is coated with butter, is wrapped with the polyester film, and is finally subjected to corrosion prevention in a sealed manner by grouting in the corrugated pipe 221, so that the corrosion of the steel strand 3 of the free section 22 by the external environment is avoided, and the service life of the prestressed anchor cable is effectively prolonged.
It can be seen that this embodiment provides a prestressed anchorage cable, and sealed flexible bellows 221 has been adopted as the protective equipment of protection steel strand wires 3 to the free section 22 of anchor rope main part 2, and it can protect unsettled free section 22 anchor rope not receive external environment corruption the time, and the softer flexible of bellows 221 material for free section 22 of anchor rope main part 2 can freely be crooked, also can accomplish the operation of anchor income anchor hole smoothly under the narrow and small condition in construction space, has improved the efficiency of construction.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. The utility model provides a prestressed anchorage cable, includes interconnect's anchor head (1), anchor rope main part (2), its characterized in that:
the anchor head (1) comprises a steel backing plate (11) and an anchor (12), wherein the steel backing plate (11) is connected to the anchor cable main body (2);
the anchor cable main body (2) comprises a primary grouting pipe, a secondary grouting pipe and a plurality of steel strands (3), and the anchor cable main body (2) is divided into an anchoring section (21) and a free section (22); one end of the free section (22) far away from the anchoring section (21) is connected to the steel backing plate (11);
a plurality of brackets (211) are arranged on the anchoring section (21) at equal intervals, and the steel strands (3) of the anchoring section (21) are sequentially connected with the brackets (211) in series; a contraction ring buckle (212) is arranged between every two brackets (211) of the steel strand (3) of the anchoring section (21), and the contraction ring buckle (212) binds the steel strand (3) into a wire bundle;
the steel strand (3) of the free section (22) is coated with epoxy anticorrosive paint (35), and a flexible corrugated pipe (221) is sleeved on the outer side of the steel strand (3) of the free section (22); the interior of the corrugated pipe (221) is filled with industrial lubricating oil (31), and the opposite ends of the outer side of the corrugated pipe (221) are respectively sealed with a sealing piece (222).
2. The prestressed anchorage cable of claim 1, wherein the end of the steel strand (3) of the anchorage section (21) remote from the free section (22) is provided with a guide cap (32).
3. The prestressed anchor rope of claim 1, wherein the surface of the strand (3) of the free segment (22) is coated with a first film (33) and a second film (34); an industrial lubricating oil (31) is arranged between the first film (33) and the steel strand (3); an industrial lubricant (31) is also provided between the first film (33) and the second film (34).
4. The prestressed anchorage cable of claim 1, wherein the steel shim plate (11) and the anchorage (12) are coated with epoxy anticorrosive paint (35) on their surfaces.
5. The prestressed anchor rope of claim 3, wherein said first and second membranes (33, 34) are both polyester membranes.
6. The prestressed anchorage cable of claim 1, wherein said seal (222) is engineered tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920879692.XU CN210086267U (en) | 2019-06-12 | 2019-06-12 | Prestressed anchor cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920879692.XU CN210086267U (en) | 2019-06-12 | 2019-06-12 | Prestressed anchor cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210086267U true CN210086267U (en) | 2020-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920879692.XU Active CN210086267U (en) | 2019-06-12 | 2019-06-12 | Prestressed anchor cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113699986A (en) * | 2021-09-03 | 2021-11-26 | 山西云泉岩土工程科技股份有限公司 | Novel anchor cable for filling side slope and construction method thereof |
-
2019
- 2019-06-12 CN CN201920879692.XU patent/CN210086267U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113699986A (en) * | 2021-09-03 | 2021-11-26 | 山西云泉岩土工程科技股份有限公司 | Novel anchor cable for filling side slope and construction method thereof |
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