CN204356774U - Bendable recoverable anchor rod - Google Patents
Bendable recoverable anchor rod Download PDFInfo
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- CN204356774U CN204356774U CN201420690971.9U CN201420690971U CN204356774U CN 204356774 U CN204356774 U CN 204356774U CN 201420690971 U CN201420690971 U CN 201420690971U CN 204356774 U CN204356774 U CN 204356774U
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- anchor cable
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Abstract
The utility model discloses a kind of bendable recoverable anchor rod, comprise anchor cable, steel pipe overcoat, plastic pipe and water-proof seal adhesive tape.Water-proof seal adhesive tape outside adhesive tape outer wrapping insulating sponge pipe and sponge, the folded end of a bending is formed after anchor cable bending, two anchor cables outwards stretched from folded end be arranged in parallel, steel pipe overcoat is socketed in anchor cable on the anchor cable of two extends parallel, anchor cable is socketed plastic pipe, the plastic tube outer wall of anchor cable folded end wraps up water-proof seal adhesive tape, and anchor cable folded end is watered together with the steel pipe overcoat near folded end and is filled in mortar.On anchor cable, be socketed plastic pipe due to the utility model and on anchor cable folded end plastic tube outer wall, wrap up water-proof seal adhesive tape and sponge again, ensure that the aperture of anchor cable folded end increases, make wire rope in the hole formed because of plastic pipe, walk resistance to reduce, can extract fast, simultaneously owing to adopting steel pipe steel pipe overcoat, avoid and detect stream line to the deformation failure of the concrete body of rod in drawing.
Description
Technical field
The utility model relates to a kind of anchor pole, particularly relates to a kind of bendable recoverable anchor rod.
Background technology
In recent years along with the maturation of bolt anchorage technology, anchor pole range of application in foundation ditch construction, slope protection works is more and more wider, the extensive application of anchor pole is that the national economic development has played important function, but along with further developing of engineering construction, many once pre-buried places crossing anchor pole will face secondary development.Those anchor poles once playing important function but become the obstacle again developed, and cause the difficulty of exploitation and the increase of construction cost.So create the construction technology of recoverable anchor rod, this recoverable anchor rod its essence is extracts recovery completely by the material of the steel strand rope of anchor pole, has namely saved cost, avoids again stretching into the obstacle that peripheral wire rope causes others' land development.
Current recoverable anchor rod form probably has three classes: (1) combined type; (2) expansion shell type; (3) spiral.Its technical essential is: former anchor pole is divided into two parts (body of rod section and anchoring section), add an attaching nut between the two sections, attaching nut welds with body of rod section, is threaded with anchoring section.The body of rod section other end welds a nut, is convenient to adopt specialized barrel to be enclosed within bridle catcher body section on this nut.Recoverable anchor rod is compared with original technology, solves the expendable problem of body of rod section, not only body of rod section can be reclaimed: but also only again need process anchoring section, and the body of rod section reclaimed reconfigures, and reuses, can save cost of materials, reduce costs.
(1) combined type recoverable anchor rod (part resin anchoring)
Combined anchor is former is for constructing designed by long anchor pole in low stoop way, in low stoop way, the anchor pole of head-room can be greater than by injection rock-bolt length by this structure, and this combined anchor can also replace short anchor cable to use, not only construction technology is simple, construction reliability is high, recyclable simple and reliable process.Use if this anchor pole substitutes anchor cable, there is construction simple, economically and technique has good feasibility.
(2) expansion shell type recoverable anchor rod (mechanical anchor)
Expansion type rock bolt (mechanical anchor), as recoverable anchor rod, has feasibility from technique, but higher to construction process requirement in practical application.
(3) spiral recyclable anchor rod (friction anchoring)
Spiral anchoring-bolt designs as recoverable anchor rod, but in actual application, carrys out use mainly as the anchoring of breaking surrounding rock tunnel, does not use as recoverable anchor rod.If deformation of the surrounding rock in tunnel is comparatively large, this anchor pole can along with distortion, and now anchor recovering difficulty is large, and the rate of recovery is low.
All there is shortcomings in anchor pole form described above and other current anchor pole form, is summarized as follows:
1. fixed end cost is expensive;
2. fixed end is as the new product in recent years just produced, and technology is extremely immature, less stable.
3. the body of rod rate of recovery is lower; Often do not reach 50%,
As shown in Figure 3, traditional anchor pole, at two anchor cables 1 " between by multiple spaced bracing frame 2 " be fixed.
How to develop recuperable anchor pole, require that this anchor pole is under the prerequisite with higher bearing capacity, not only has good recovery performance, and recovery process is simply easy to operation.I develops a kind of novel recoverable type anchor pole patented technology for this reason.
Utility model content
The purpose of this utility model is to provide a kind of recovery process simple and the bendable recoverable anchor rod being easy to operation, under it has the prerequisite of higher bearing capacity, not only have good recovery performance, and recovery process is simply easy to operation.
For achieving the above object, technical solution of the present utility model is:
The utility model is a kind of bendable recoverable anchor rod, comprise an anchor cable, more than two and two steel pipe overcoat, plastic pipe and water-proof seal adhesive tape; The folded end of a bending is formed after described anchor cable bending, two anchor cables outwards stretched from folded end be arranged in parallel, the steel pipe overcoat of more than two and two is socketed in anchor cable on the anchor cable of two extends parallel, and one of them steel pipe overcoat is socketed on two anchor cables of anchor cable folded end; Described anchor cable is socketed plastic pipe, the plastic tube outer wall of anchor cable folded end wraps up water-proof seal adhesive tape, is socketed with plastic pipe and the anchor cable folded end being enclosed with water-proof seal adhesive tape is filled in concrete together with the steel pipe overcoat being watered together with whole anchor cable framework near folded end.
Whole described anchor cable is form parallel two-wire anchor cable by single anchor cable bending, and the plastic pipe of socket is also that single socket forms two parallel plastic pipes again after bending.
Described anchor cable is embedded in concrete bending segment outer wrapping insulating sponge pipe.
Water-proof seal adhesive tape outside the water-proof seal adhesive tape outer wrapping insulating sponge pipe and sponge of the plastic tube outer wall of anchor cable end folded end; The water-proof seal adhesive tape of twice is used for guaranteeing plastic pipe, parcel insulating sponge pipe can not be infiltrated by concrete grout.
Described anchor cable is wire rope or steel strand.
After adopting such scheme, the utility model has the following advantages:
1. because the utility model is socketed plastic pipe on anchor cable and wrap up water-proof seal adhesive tape again on anchor cable folded end plastic tube outer wall, adhesive tape outer wrapping insulating sponge pipe, avoiding anchor cable folded end causes cement paste to infiltrate because plastic pipe breaks, ensure that anchor cable folded end is not infiltrated by cement paste, make wire rope and plastic pipe energy quick separating in recovery, anchor cable recovery time is minimum, and every (two-wire) recovery time is no more than 3 minutes;
2., because the utility model is socketed with plastic pipe and be enclosed with water-proof seal adhesive tape anchor cable end folded end and be filled in mortar together with watering near the steel pipe overcoat of folded end, avoid and detect stream line to the deformation failure of the concrete body of rod in drawing.
3. the utility model have employed adhesive waterproof tape, insulating sponge pipe, its cost increased is extremely low, almost can ignore, due to any accessory of the unnecessary increase of the utility model, and need not adopt the finished product accessory of existing " recoverable anchor rod " as inner fixed stand, need not skyhook gland, eliminate the maximum accessory of recoverable anchor rod, save the cost of labor that accessory cost has saved accessory installation simultaneously.
4. the rate of recovery of the anchor pole of the utility model construction almost can reach 100%, and in anchor pole, wire rope reclaims and reuses is maximum reducing costs.
5. the utility model pulling test strength is high, and through repeatedly checking, its uplift resistance when 20 meters of length reaches 40 tons (two-wires), thoroughly avoids wire rope to the obstacle in soil.
6. the utility model is born by (two-wire) at resistance to plucking.Stressed by (single line) when reclaiming drawing.
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is stereogram of the present utility model;
Fig. 2 is sectional view of the present utility model;
Fig. 3 is traditional anchor structure.
Detailed description of the invention
As shown in Figure 1 and Figure 2, the utility model is a kind of bendable recoverable anchor rod, comprises steel pipe overcoat 2, plastic pipe 3, water-proof seal adhesive tape 4, the insulating sponge pipe 5 of anchor cable 1, two and more than two.
Described anchor cable 1 bends the folded end 11 of rear formation one bending, from two anchor cables 12 that folded end 11 outwards stretches, 13 be arranged in parallel, the steel pipe overcoat 2 of more than two and two is socketed in the anchor cable 12 of anchor cable 1 two extends parallel, on 13, one of them steel pipe overcoat 2 is socketed in two anchor cables 12 near anchor cable 1 folded end 11, on 13, the diameter 110mm of this steel pipe overcoat 2, thick 3mm, long 150mm, other steel pipe overcoat 2 can be socketed in two parallel anchor cables 12, 13 other positions, other steel pipe overcoat 2 pipe range 50mm, interval 2M, disjunction entangles anchor cable and fixing anchor cable, play the effect reinforced concrete anchor cable of stirrup simultaneously.In the present embodiment, steel pipe overcoat 2 adopts steel pipe to make.Described anchor cable 1 is socketed plastic pipe 3, plastic pipe bore is greater than anchor cable and is about 6mm, plastic pipe 3 outer wall of anchor cable 1 folded end 11 wraps up the insulating sponge pipe 5 of water-proof seal adhesive tape 4 and a little machine oil of dip successively, to prevent water leaking-in cement mortar, be socketed with plastic pipe 3 and anchor cable 1 folded end 11 being enclosed with water-proof seal adhesive tape 4 is watered together with the steel pipe overcoat 2 near folded end 11 and is filled in mud 10.
The mode that described plastic pipe 3 is socketed anchor cable 1 has two kinds: one is all socketed with plastic pipe 3 on whole anchor cable 1; Another kind is that anchor cable 1 is embedded in mud, on the bending segment of folded end 11, is socketed with plastic pipe 3, and this bending segment comprises folded end 11, two straight sections 14,15.
the utility model processing step is as follows:
1, mechanical hole building;
2, determine the anchor pole degree of depth, make anchor cable 1, calculate the length (as 20M) of anchor cable hole, the length of anchor cable 1 is the twice (i.e. 40M) of the anchor pole degree of depth and adds length in reserve (i.e. 42M);
3, whole anchor cable 42M is inserted in PVC plastic pipe (40M); Plastic pipe internal diameter is greater than anchor cable aperture 6mm; Figure is shown in by bracing frame;
4, dress outside water-proof seal adhesive tape at the plastic pipe in the stage casing (bending part) of anchor cable 1, the length of wrapping is about 500mm;
5, enter the thick insulating sponge pipe 5 of 10mm at the water-proof seal adhesive tape steel pipe overcoat 2 of the folded end 11 of anchor cable 1, insulating sponge pipe 5 classification is as air-conditioner pipe insulating sponge, and wrapping length is about 350mm, cavernous body dip lubrication oil;
6, at the insulating sponge pipe 5 external application water-proof seal adhesive tape 4 in the stage casing of anchor cable 1, insulating sponge pipe 5 is sealed completely, make it to reach waterproof effect;
7, by Edge Bends such as anchor cables 1, anchor cable 1 one-tenth is U-shaped, form the anchor shaft anchor cable 1 that two radicles are connected, bending part is long with 150mm, and the steel pipe of 110mm internal diameter is fixed, and whole anchor pole adopts multiple steel pipe overcoat 2 to fix, folded end 11 adopts two steel pipe overcoats 2 to fix, spacing 150mm, other position spacing adopt 50mm long internal diameter 110mm, spacing 2000mm.Steel pipe overcoat 2 and anchor cable 1 are fixed, forms anchor bar steel frame member; (in anchor pole steelframe, add Grouting Pipe according to designing requirement.）
8, the overall anchor pole steel beam column completed is sent in pore-forming;
9, slip casting, first injects cement paste, after slip casting completes, according to the volume in pore-forming aperture, vibrates after mixing the microlith of 50%, carries out secondary grouting again after 24 hours;
10, other technique of anchor bolt construction and common bolt are as good as;
11, anchor pole completes latter 28 days, then pins snap close beam with ground tackle, and the pulling capacity of two reaches 40 tons.Now pulling force acts on wire rope, and is racked by the cavernous body with lubrication oil;
12, when the wire rope in engineering need reclaim, exited by ground tackle with hydraulic press, anchor cable loses stress, naturally rebounds, and racks cavernous body, and the aperture on the wire rope limit of bending part is increased.Now implement drawing with hoist engine to single anchor cable to reclaim, drawing recovery time about 3 minutes.The wire rope rate of recovery can reach 100% substantially.This anchor cable is the most reasonable at present and cost is minimum.
the applied characteristic of this patent technique:
1. be applicable to the anchor pole that stretching resistance born by wire rope (steel strand);
2. be applicable to two-wire or four line anchor cables (steel strand);
3. be applicable to all pit maintenance soils.
4. this technique is not suitable for the anchor pole that stretching resistance born by reinforcing bar.
It should be noted that, utilize the utility model also to can be made into not Recyclable anchor rope, expendable anchor pole is permanent anchor pole, can adopt steel strand.
Because feature of the present utility model makes anchor pole form different stresses in the different stage that is stressed and that reclaim, that is: 1, (two-wire is stressed) now anchor pole of the present utility model and other anchor poles are as good as, and the utility model adds the technique of filling microlith, add the compressive strength of anchor rod body, add the frictional force of anchor pole and hole wall, and then add uplift resistance.2, (single line is stressed)) runs parallel wire rope outside now in anchor pole of the present utility model forms two different stress points, when single line is stressed, wire rope is walked in plastic pipe, owing to ensure that the aperture of anchor cable folded end increases, make wire rope in the hole formed because of plastic pipe, walk resistance to reduce, can extract fast, simultaneously owing to adopting steel pipe overcoat, avoid and detect stream line to the deformation failure of the concrete body of rod in drawing.
It should be noted that, utilize the utility model also to can be made into not Recyclable anchor rope.
The above, be only the utility model preferred embodiment, therefore can not limit with this scope that the utility model implements, the equivalence namely done according to the utility model claim and description change with modify, all should still belong in scope that the utility model patent contains.
Claims (5)
1. a bendable recoverable anchor rod, is characterized in that: comprise an anchor cable, more than two and two steel pipe overcoat, plastic pipe and water-proof seal adhesive tape; The folded end of a bending is formed after described anchor cable bending, two anchor cables outwards stretched from folded end be arranged in parallel, the steel pipe overcoat of more than two and two is socketed in anchor cable on the anchor cable of two extends parallel, and one of them steel pipe overcoat is socketed on two anchor cables of anchor cable folded end; Described anchor cable is socketed plastic pipe, the plastic tube outer wall of anchor cable folded end wraps up water-proof seal adhesive tape, is socketed with plastic pipe and the anchor cable folded end being enclosed with water-proof seal adhesive tape is filled in concrete together with the steel pipe overcoat being watered together with whole anchor cable framework near folded end.
2. bendable recoverable anchor rod according to claim 1, is characterized in that: whole described anchor cable is form parallel two-wire anchor cable by single anchor cable bending, and the plastic pipe of socket is also that single socket forms two parallel plastic pipes again after bending.
3. bendable recoverable anchor rod according to claim 1, is characterized in that: described anchor cable is embedded in concrete bending segment outer wrapping insulating sponge pipe.
4. bendable recoverable anchor rod according to claim 1, is characterized in that: the water-proof seal adhesive tape outside the water-proof seal adhesive tape outer wrapping sponge and sponge of the plastic tube outer wall of anchor cable end folded end; The water-proof seal adhesive tape of twice is used for guaranteeing plastic pipe, parcel insulating sponge pipe can not be infiltrated by concrete grout.
5. bendable recoverable anchor rod according to claim 1, is characterized in that: described anchor cable is wire rope or steel strand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420690971.9U CN204356774U (en) | 2014-11-18 | 2014-11-18 | Bendable recoverable anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420690971.9U CN204356774U (en) | 2014-11-18 | 2014-11-18 | Bendable recoverable anchor rod |
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| Publication Number | Publication Date |
|---|---|
| CN204356774U true CN204356774U (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420690971.9U Active CN204356774U (en) | 2014-11-18 | 2014-11-18 | Bendable recoverable anchor rod |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104452759A (en) * | 2014-11-18 | 2015-03-25 | 黄水森 | Bending type recoverable anchor rod |
| CN106168026A (en) * | 2016-08-31 | 2016-11-30 | 黄水森 | Churning reaming type sub warhead recoverable anchor rod stake and manufacture method thereof |
| CN113322948A (en) * | 2021-06-01 | 2021-08-31 | 广西大学 | Device capable of replacing and recovering steel wire rope anchor rod and recovery method |
-
2014
- 2014-11-18 CN CN201420690971.9U patent/CN204356774U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104452759A (en) * | 2014-11-18 | 2015-03-25 | 黄水森 | Bending type recoverable anchor rod |
| CN106168026A (en) * | 2016-08-31 | 2016-11-30 | 黄水森 | Churning reaming type sub warhead recoverable anchor rod stake and manufacture method thereof |
| CN113322948A (en) * | 2021-06-01 | 2021-08-31 | 广西大学 | Device capable of replacing and recovering steel wire rope anchor rod and recovery method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200709 Address after: 361000 Fujian city of Xiamen province China (Fujian) Xiamen Xiangyu Road area Free Trade Zone No. 97 Xiamen international shipping center D 8 storey building 05 unit X Patentee after: Bingmu (Xiamen) Construction Technology Co., Ltd Address before: 361000, -2, 10, 802 Yue Yue lane, Fujian, Xiamen Patentee before: Huang Shuisen |