CN203867598U - Anchor cable capable of applying prestress repeatedly - Google Patents
Anchor cable capable of applying prestress repeatedly Download PDFInfo
- Publication number
- CN203867598U CN203867598U CN201420174169.4U CN201420174169U CN203867598U CN 203867598 U CN203867598 U CN 203867598U CN 201420174169 U CN201420174169 U CN 201420174169U CN 203867598 U CN203867598 U CN 203867598U
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- China
- Prior art keywords
- anchor cable
- fixed block
- pipe
- sleeve pipe
- anchor
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Abstract
The utility model discloses an anchor cable capable of applying prestress repeatedly. The anchor cable comprises an anchor cable body, an anchoring end anchoring device, a support plate and a lock. The outer end with a drill hole of the anchor cable body is provided with the support plate and the lock in sequence. The anchor cable is characterized in that a T-shaped press pipe is further arranged at the anchor cable drill hole outer end position, the support plate abuts against a wing plate of the T-shaped press pipe in a pressing mode, the anchoring end anchoring device is arranged at the inner end, close to the drill hole, of the anchor cable, a sleeve is arranged on the position, away from the upper portion of the anchoring end anchoring device for a certain distance, of the anchor cable body, an annular space is formed between the sleeve and the anchor cable, a flexible pulp stop plug is arranged at the end, close to the anchoring end anchoring device, of the sleeve, after the anchor cable is arranged, the end, located in the drill hole, of the T-shaped press pipe abuts against the sleeve in a sealed mode, and the anchoring end anchoring device can provide enough anchoring force to meet the requirement for applying prestress repeatedly through the anchor cable. The anchor cable is provided with the anchoring end with enough strength and can apply the prestress repeatedly without affecting the overall length grouting solidification structure.
Description
Technical field
The utility model relates to mine surrounding rock supporting field, and particularly a kind of mine laneway can repeat to apply prestressed anchor cable.
Background technology
Mine surrounding rock supporting is subterranean resource exploitation extremely important, the essential aspect lacking, field, coal mining Frequent Accidents in recent years, the accidents such as landslide, roof fall are continuous, to be that technical measures are not in place cause these accidents, do not take effective technical measures or technical measures effectively not to carry out, and pit mining surrounding rock supporting is enough, the accident that landslide waits country rock to produce can be avoided.In prior art, reinforce adjoining rock Main Means is bolting and rope support, grouting support, anchor rete cord combined supporting, hydraulic support stand, column supporting, reserved coal pillar or ore pillar, gob side entry retaining etc., Anchor cable-rod supporting is the general supporting means of this area, so those skilled in the art are constantly improving Anchor cable-rod supporting performance always, improve supporting effect, it is a major technique direction that prestress anchorage cable bolt support is set.
China's mine enters deep mining at present, surrounding rock supporting is even more important in recovery process, but implementing anchor pole, when cable bolting, for increasing anchor pole, the supporting effect of anchor cable, often one end slip casting of anchor pole rope is fixed on to country rock deep, then apply full-length prestress, but while applying prestressing force in prior art, often need first slip casting anchoring anchor cable boom end, then apply for the first time prestressing force, and then enforcement total length slip casting, finally carry out outer end mounting plate and apply prestressing force, so repeatedly disturbance surrounding rock supporting, and can make the injection slurry and the anchor cable bar that have solidified produce loosening, destroy slip casting slurry consolidated structure, bolt-grouting support effect structure is unsatisfactory.
Summary of the invention
The technical problem existing for solving prior art, the utility model object be to provide a kind of not disturbance total length slip casting consolidated structure and have sufficient intensity anchored end repeat to apply prestressed anchor cable.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
One can repeat to apply prestressed anchor cable, comprise anchor cable body, anchored end anchor device, supporting plate, lockset, described anchor cable body is positioned at boring outer end and is provided with successively supporting plate and lockset, it is characterized in that: in anchor cable boring, outer end place is also provided with a T shape pressure pipe, supporting plate is pressed against on the wing plate of T shape pressure pipe, by boring the inner, described anchored end anchor device is set at anchor cable body, on the anchor cable body of a distance, described anchored end anchor device top, a sleeve pipe is set, between this sleeve pipe and anchor cable body, form an annular space, sleeve pipe is provided with flexible stop grouting plug near one end of described anchored end anchor device, after anchor cable installation, one end sealing that described T shape pressure pipe is positioned at boring is resisted against on described sleeve pipe, described anchored end anchor device can provide enough anchored force, repeat to apply prestressing force to meet anchor cable.
Described anchored end anchor device comprises the first fixed block, sliding shoe, the hook wing, the first support bar, the first fixed block is fixed on described anchor cable body the inner in deeply holing, sliding shoe is slidably arranged on the anchor cable body body of rod between sleeve pipe and the first fixed block, and the first support bar and the first fixed block, the hook wing and movable block, the first support bar and the hook wing all carry out being articulated and connected in relative rotation.
Described anchored end anchor device also comprises the second fixed block and the second support bar, the second fixed block is close the first fixed block place between the first fixed block and sliding shoe, second support bar one end is hingedly connected on the pin joint of the first support bar and the hook wing, and the other end is hingedly connected on the second fixed block.
Described flexible stop grouting plug is flexible sealing rubber, and described sleeve pipe is pvc pipe or aluminum pipe.
Described T shape pressure pipe and sleeve pipe abutment end are provided with flanging outside pipe, and described flanging is provided with the annular groove docking with sleeve pipe, is provided with sealing ring in groove, and pressure pipe is connected with bobbin seal.
Shown in be also provided with a sealing mat between T shape pressure pipe and boring country rock wall.
The beneficial effects of the utility model are: the one, can make anchor cable repeat to apply prestressing force by sleeve pipe time, total length grouting and reinforcing body is not carried out to disturbance destruction, make like this solidified slurry can be fully and country rock body form entirety, one is born pressure from surrounding rock; The one, anchor end of anchorage cable adopts the scalable hook wing, both facilitated during anchor cable deeply holes, simultaneously in the time carrying out resin or slip casting anchoring, tightly be anchored at foot of hole, for repeatedly applying prestressing force, anchor cable provides enough anchored force, and anchored end is simple in structure, contribute to anchor cable that deeply boring is installed, simultaneously fully anchoring anchor cable of energy.Enough strong anchored force that anchored end anchor device provides and anchor cable are implemented to repeat prestressing force and are complemented each other, and there is no enough anchored force, and anchored end will be subject to heavy damage, be difficult to effectively form prestress anchorage cable.
Brief description of the drawings
?fig. 1: can repeat to apply prestress anchorage cable structural representation.
Fig. 2: T shape pressure pipe structural representation.
Fig. 3: anchored end anchor device improves structural representation.
Detailed description of the invention
Embodiment 1: shown in Fig. 1-2, anchor cable of the present utility model is a kind of prestress anchorage cable needing that can repeat to apply in not disturbance injecting cement paste situation, it comprises: anchor cable body 1, anchored end anchor device, sleeve pipe 6, pressure pipe 7, supporting plate 8, lockset 9, stop grouting plug 10, described anchored end anchor device comprises the first fixed block 2, sliding shoe 3, the hook wing 5, the first support bar 4, the first fixed block 2 is fixed on the inner that anchor cable body 1 gos deep in boring, sliding shoe 3 is slidably arranged on anchor cable body 1 body of rod between sleeve pipe 6 and the first fixed block 2, sleeve pipe 6 is arranged on movable block 3 a distance, upper end, so that movable block 3 has enough sliding extension distances in anchor cable is deeply holed time, be convenient in anchor cable deeply holes.As shown in Figure 1, the first support bar 4 and the first fixed block 2, the hook wing 5 all carry out relatively turnable being articulated and connected with movable block 3, the first support bar 4 with the hook wing 5.Sleeve pipe 6 is provided with stop grouting plug 10 near sliding shoe 3 one end, prevent that slurries enter in sleeve pipe 6 in the time of boring slip casting, pressure pipe 7 presses sleeve pipe 6 upper ends, by pressure pipe 7 being applied to jacking force or by primary drawing anchor cable body 1, sleeve pipe 6 lower ends being contacted with sliding shoe 3, drive the hook wing 5 and the first support bar 4 to open, the crotch of the hook wing 5 is " U " shape to hell direction, when the hook wing 5 is during against drill hole wall, the anchored end of anchor cable body 1 is carried out to first slip casting, after slurry solidifies, the hook wing 5 and the first support bar 4 will firmly be anchored at boring inner end, enough anchored force are provided.
After waiting for that anchored end slurries enough solidify, continue the annular space between sleeve pipe 6 and drill hole wall to carry out total length slip casting, by sleeve pipe 6, pressure pipe 7 and the tightly anchoring of boring country rock, because pressure pipe 7 has the extension outside hole at boring port, can also be between wing plate and wall, to add sealing mat 11 at the extension of pressure pipe 7 according to needing, make like this grouting serous fluid can not ooze out in a large number outside boring, play plugging action, obtain better slip casting effect.
After above-mentioned all slip casting finishes, repeatedly repeat to apply prestressing force in the outer end of anchor cable body 1 by lockset 8 and draw-off gear, can the injecting cement paste having applied not produced and be destroyed and disturbance like this, effectively safeguard supporting and protection structure body.
Stop grouting plug 10 adopts flexible sealing piece, for example, adopt caulking gum, and anchor cable is in the time repeating to apply prestressing force like this, and stretcher strain amount is unlikely to stop grouting plug 10 to destroy, and it allows anchor cable body 1 can carry out longitudinal stretching.
Sleeve pipe 6 can adopt pvc pipe, aluminum pipe or other lightweight tubing; Pressure pipe 7 is teeprofiles, and pipe thickness is more bigger than sleeve pipe 6, and pressure pipe 7 can arrange flanging with sleeve pipe 6 contact jaws outside pipe, and flanging is provided with the annular groove docking with sleeve pipe, is provided with sealing ring in groove, and pressure pipe is connected with bobbin seal.Sealing mat 11 is circular middle through holes with the diameter substantially equating with pressure pipe 7 external diameters.
Embodiment 2: shown in Fig. 3, the anchored end anchor device in embodiment 1 is further improved, other parts are identical with embodiment 1.Described anchored end anchor device is except comprising the first fixed block 2, sliding shoe 3, the hook wing 5, the first support bar 4, also comprise the second fixed block 13 and the second support bar 12, second support bar 12 one end are hingedly connected on the pin joint of the first support bar 4 and the hook wing 5, and the other end is hingedly connected on the second fixed block 13.By adding the second support bar 12 and the second fixed block 13, making the hook wing 5 can have enough support forces makes the hook wing 5 against hole wall, meanwhile, in the time of anchored end slip casting anchoring, the second support bar 12, the second fixed block 13 also provide stronger and the anchored force that combine together slurries.
Claims (6)
1. one kind can be repeated to apply prestressed anchor cable, comprise anchor cable body (1), anchored end anchor device, supporting plate (8), lockset (9), described anchor cable body (1) is positioned at boring outer end and is provided with successively supporting plate (8) and lockset (9), it is characterized in that: in anchor cable boring, outer end place is also provided with a T shape pressure pipe (7), supporting plate (8) is pressed against on the wing plate of T shape pressure pipe (7), by boring the inner, described anchored end anchor device is set at anchor cable body (1), one sleeve pipe (6) is set on the anchor cable body of a distance, described anchored end anchor device top, between this sleeve pipe (6) and anchor cable body (1), form an annular space, sleeve pipe (6) is provided with flexible stop grouting plug (10) near one end of described anchored end anchor device, after anchor cable installation, one end sealing that described T shape pressure pipe (7) is positioned at boring is resisted against on described sleeve pipe (6), described anchored end anchor device can provide enough anchored force, repeat to apply prestressing force to meet anchor cable.
2. one kind is as claimed in claim 1ly repeated to apply prestressed anchor cable, it is characterized in that: described anchored end anchor device comprises the first fixed block (2), sliding shoe (3), the hook wing (5), the first support bar (4), the first fixed block 2 is fixed on described anchor cable body (1) and gos deep into the inner in boring, sliding shoe (3) is slidably arranged on anchor cable body (1) body of rod between sleeve pipe (6) and the first fixed block (2), the first support bar (4) and the first fixed block (2), the hook wing (5) and movable block (3), the first support bar (4) all carries out being articulated and connected in relative rotation with the hook wing (5).
3. one kind is as claimed in claim 2ly repeated to apply prestressed anchor cable, it is characterized in that: described anchored end anchor device also comprises the second fixed block (13) and the second support bar (12), the second fixed block (13) is positioned between the first fixed block (2) and sliding shoe (3) to be located near the first fixed block (2), the second support bar (12) one end is hingedly connected on the pin joint of the first support bar (4) and the hook wing (5), and the other end is hingedly connected on the second fixed block (13).
4. repeating as described in claim 1 or 2 or 3 applies a prestressed anchor cable, it is characterized in that: described flexible stop grouting plug is flexible sealing rubber, and described sleeve pipe is pvc pipe or aluminum pipe.
5. one kind is as claimed in claim 1ly repeated to apply prestressed anchor cable, it is characterized in that: described T shape pressure pipe (7) is provided with flanging (14) with described sleeve pipe (6) abutment end outside pipe, described flanging (14) is provided with the annular groove docking with sleeve pipe (6), in groove, be provided with sealing ring, pressure pipe is connected with bobbin seal.
6. as claimed in claim 1ly repeat to apply a prestressed anchor cable, it is characterized in that: shown in be also provided with a sealing mat (11) between T shape pressure pipe (7) and boring country rock wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420174169.4U CN203867598U (en) | 2014-04-11 | 2014-04-11 | Anchor cable capable of applying prestress repeatedly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420174169.4U CN203867598U (en) | 2014-04-11 | 2014-04-11 | Anchor cable capable of applying prestress repeatedly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203867598U true CN203867598U (en) | 2014-10-08 |
Family
ID=51648568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420174169.4U Withdrawn - After Issue CN203867598U (en) | 2014-04-11 | 2014-04-11 | Anchor cable capable of applying prestress repeatedly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203867598U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883341A (en) * | 2014-04-11 | 2014-06-25 | 衢州市优德工业设计有限公司 | Anchor cable allowing prestress to be exerted repeatedly |
| CN105178995A (en) * | 2015-10-19 | 2015-12-23 | 河南理工大学 | Lateral hollow repeatable grouting anchor bar |
| CN114635419A (en) * | 2022-04-20 | 2022-06-17 | 江苏科技大学 | Negative Poisson's ratio rotation expands large-scale square perforated plate array anchor rod device |
-
2014
- 2014-04-11 CN CN201420174169.4U patent/CN203867598U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883341A (en) * | 2014-04-11 | 2014-06-25 | 衢州市优德工业设计有限公司 | Anchor cable allowing prestress to be exerted repeatedly |
| CN103883341B (en) * | 2014-04-11 | 2016-05-18 | 衢州市优德工业设计有限公司 | One can repeat to apply prestressed anchor cable |
| CN105178995A (en) * | 2015-10-19 | 2015-12-23 | 河南理工大学 | Lateral hollow repeatable grouting anchor bar |
| CN114635419A (en) * | 2022-04-20 | 2022-06-17 | 江苏科技大学 | Negative Poisson's ratio rotation expands large-scale square perforated plate array anchor rod device |
| CN114635419B (en) * | 2022-04-20 | 2022-12-09 | 江苏科技大学 | Negative Poisson ratio rotating large square perforated plate array anchor rod device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141008 Effective date of abandoning: 20160518 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |