CN207619982U - A kind of detachable prestressed anchor cable anchorage - Google Patents
A kind of detachable prestressed anchor cable anchorage Download PDFInfo
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- CN207619982U CN207619982U CN201721738344.8U CN201721738344U CN207619982U CN 207619982 U CN207619982 U CN 207619982U CN 201721738344 U CN201721738344 U CN 201721738344U CN 207619982 U CN207619982 U CN 207619982U
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- anchor cable
- hole
- bearing plate
- steel strand
- strand wires
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Abstract
The utility model discloses a kind of detachable prestressed anchor cable anchorages, its main feature is that bearing plate is equipped with central through hole and periphery taper hole, central through hole is connected to by cavity with adjacent periphery taper hole, sliding block is equipped in cavity, periphery taper hole inner sleeve clamping piece, suit screwed pipe and intermediate plate in central through hole, the sliding block side is equipped with thread groove, the other side is equipped with arc groove, sliding block is arranged in cavity, the thread groove of one side coordinates with screwed pipe, the arc groove of the other side coordinates with anchor cable intermediate plate, steel strand wires in rotation center through-hole drive screwed pipe rotation, and it exits bearing plate and enters seal cap inner cavity chamber, the space vacateed makes each sliding block to bearing plate center convergence, each anchor cable intermediate plate is discharged to unlock the constraint of steel strand wires, it pulls out steel strand wires and forms recycling.The utility model has simple in structure compared with prior art, and anchor force is big, efficiently solves the problems such as fragile, the rate of recovery is low after anchor cable steel strand wires wire rod stress, further decreases engineering cost.
Description
Technical field
The utility model is related to the prestress anchorage cable technical field of pattern foundation pit supporting structure, especially a kind of pressure dispersing type is detachable
Prestressed anchor cable anchorage.
Background technology
Currently, Recyclable anchor rope mainly has mechanical Recyclable anchor rope, hot melten type Recyclable anchor rope, the recyclable anchor of mechanics formula
The types such as rope, although Recyclable anchor rope type and construction technology are more, actual recovered rate and not up to design requirement, wherein machine
Tool formula Recyclable anchor rope leads to waste of material in use due to the particularity of anchor head assembly（Such as n+1 types）, wire rod subduing lotus
It is damaged performance when influencing anchor cable stress and recycling down again；Heat molten type Recyclable anchor rope Inner bolt head installation accuracy requires very tight
Lattice, recycling hot melt system is easily damaged, influences the rate of recovery, and constructing operation requires very high.
Recyclable anchor rope anchor force deficiency, the wire rod rate of recovery of the prior art are low, are easy after wire rod stress in removal process
Damage, causes waste of material, cannot well adapt to underground space energy conservation and environmental protection, the idea of development of green construction.
Utility model content
The purpose of this utility model be in view of the deficiencies of the prior art and provide a kind of detachable prestressed anchor cable anchorage,
Using the self-locking structure of thread slider, anchor cable is by tensioning exposed junction, that is, lockable, outside the steel strand wires by rotation center position
Dew section drives to thread slider, so that centre thread slider is detached from bearing plate and enters plenum chamber in sealing cover, before steel strand wires
Intermediate plate release constraint is held to unlock, after remaining thread slider of surrounding converges to central slider position after pull-out steel strand wires, front end grip
Piece unmuzzles and can pull out remaining steel strand wires and form recycling, simple in structure, anchorage processing and easy for installation, and construction speed is fast,
It is small and quick to recycle power, the anchorage anchor head occupancy underground space is few in the soil body, small to underground space pollution, efficiently solves anchor cable steel
The problems such as fragile, anchor force is insufficient, the rate of recovery is low after twisted wire wire rod stress is resource-effective, and green construction provides one kind
The anchor head assembly of Recyclable anchor rope.
What the purpose of this utility model was realized in：A kind of detachable prestressed anchor cable anchorage, including bearing plate, steel twist
Line and the anchor cable intermediate plate being made of three pieces of circular cone pieces, its main feature is that bearing plate is equipped with by screwed pipe and sliding block and anchor cable intermediate plate group
At Inner bolt head, bearing plate side closes Inner bolt head equipped with seal cap, the other side be equipped with guard seal, seal cap and baffle with
Bearing plate is bolted connection, and the bearing plate is equipped with central through hole and is bored with three peripheries of equilateral triangle setting
Hole, central through hole are connected to by cavity with adjacent periphery taper hole；Anchor cable intermediate plate is set in the periphery taper hole；The central through hole
It is inside set with screwed pipe and anchor cable intermediate plate successively；The screwed pipe is equipped with external screw thread, is axially arranged with taper hole；The sliding block side is equipped with
Half round thread straight slot, the other side are equipped with semicircle taper hole straight slot, and sliding block is arranged in cavity, the half round thread straight slot and spiral shell of one side
The external screw thread of pipe coordinates, and semicircle taper hole straight slot and the anchor cable intermediate plate of the other side coordinate, and the steel strand wires in rotation center through-hole drive
Screwed pipe, which rotates and exits bearing plate, to be entered in the chamber of seal cap, is made to be sleeved on the anchor cable intermediate plate on screwed pipe and is discharged the steel strand wires simultaneously
It extracts, the space vacateed makes adjacent each sliding block to bearing plate center convergence, discharges constraint solution of each anchor cable intermediate plate to steel strand wires
Lock pulls out steel strand wires and forms recycling.
The utility model compared with prior art have it is simple in structure, anchor force is big, processing and easy for installation, construction speed
Soon, recycling power is small and quick, efficiently solves the problems such as fragile, the rate of recovery is low after anchor cable steel strand wires wire rod stress, further
Reduce engineering cost.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is pressure-bearing plate structure schematic diagram；
Fig. 3 is the A-A sectional views of Fig. 1；
Fig. 4 is slide block structure schematic diagram；
Fig. 5 is conical tube structure schematic diagram.
Specific implementation mode
Refering to attached drawing 1, the utility model is formed by being sleeved on bearing plate 2 equipped with screwed pipe 9, anchor cable intermediate plate 10 and sliding block 11
Inner bolt head, 2 side of the bearing plate closes Inner bolt head equipped with seal cap 1, and the other side is sealed equipped with baffle 3,1 He of seal cap
Baffle 3 is fixedly connected with bearing plate 2 by bolt 8；The sliding block 11 is arranged in the cavity 22 of bearing plate 2, the semicircle of one side
Screw thread straight slot 24 and the external screw thread 26 of screwed pipe 9 coordinate, and semicircle taper hole straight slot 25 and the anchor cable intermediate plate 10 of the other side coordinate；The spiral shell
The rotation of pipe 9 is exited bearing plate 2 and is entered in the chamber of seal cap 1, and the anchor cable intermediate plate 10 being sleeved on screwed pipe 9 is made to discharge the steel strand wires
It 7 and extracts, the space vacateed makes center convergence of the adjacent each sliding block 11 to bearing plate 2, discharges each anchor cable intermediate plate 10 and is twisted to steel
The constraint of line 7 unlocks, and pulls out steel strand wires 7 and forms recycling.
Refering to attached drawing 2, the bearing plate 2 is equipped with central through hole 23 and with three periphery taper hole of equilateral triangle setting
21, central through hole 23 is connected to by cavity 22 with adjacent each periphery taper hole 21.
Refering to 3~Fig. 4 of attached drawing, it is set with anchor cable intermediate plate 10 and steel strand wires 7 successively in the periphery taper hole 21；The center is logical
Screwed pipe 9, anchor cable intermediate plate 10 and steel strand wires 7 are set in hole 23 successively；Sliding block 11 is equipped in the cavity 22；11 side of the sliding block
Equipped with half round thread straight slot 24, the other side is equipped with semicircle taper hole straight slot 25, and sliding block 11 is arranged in cavity 22, the semicircle of one side
Screw thread straight slot 24 and the external screw thread 26 of screwed pipe 9 coordinate, and semicircle taper hole straight slot 25 and the anchor cable intermediate plate 10 of the other side coordinate, and pass through rotation
Turning 7 exposed junction of steel strand wires in central through hole 23, drive screwed pipe 9, which rotates and exits bearing plate 2, to be entered in the chamber of seal cap 1,
The space vacateed makes adjacent each sliding block 11 to 2 center convergence of bearing plate, and each anchor cable intermediate plate 10 is made to discharge the constraint to steel strand wires 7
Unlock pulls out steel strand wires 7 and forms recycling.
The utility model uses in this way：Outer wrapping corrugated protective conduits 6 and PE protection pipes 5 when steel strand wires 7 pass through baffle 3
It is sealed in baffle 3 and the junction brush seals glue 4 of protection pipe, steel strand wires 7 are inserted into setting on bearing plate 2 after passing through baffle 3
Anchor cable intermediate plate 10 in, by after tension steel strand 7 i.e. by 10 snap-lock of anchor cable intermediate plate.When recycling by rotation center at
7 exposed junction of steel strand wires, drive screwed pipe 9, which rotates and exits bearing plate 2, to be entered in the chamber of seal cap 1, and the space vacateed makes adjacent
Each sliding block 11 to 2 center convergence of bearing plate, and remove bearing plate 2 and drop in the chamber of seal cap 1 so that each anchor cable intermediate plate
10 releases unlock the constraint of steel strand wires 7, and recycling can be formed by pulling out steel strand wires 7.
With specific implementation, the utility model is described in further detail below：
Embodiment 1
The construction of the utility model includes：Pit earthwork excavates and drilling and forming hole, anchor cable installation, slip casting maintenance, tensioning lock
Fixed, information monitoring, anchor cable recycling, specifically includes step：
（One）Pit earthwork excavates and drilling and forming hole
Pit earthwork is excavated to anchor cable construction operating surface, and using drilling machine, drilling and forming hole, pore-forming aperture are in the soil body
130mm ~ 300mm, bore angle deviation ≯ 1 °, height difference ≯ 50mm, depth of pore forming are projected depth+300mm ~ 500mm mm.
（Two）, anchor cable installation
Seal cap 1 and 3 closed Inner bolt head of baffle are placed on the projected depth position in completed anchor hole, seal cap
1 when being deep into anchor cable hole bottom outside draw about 500mm, it is ensured that keep at a distance with anchor hole bottom at anchor head end.
（Three）, slip casting maintenance
By cement mortar by anchor rope grouting pipe injection hole, slip casting is since bottom hole, until cement grout is overflowed in aperture,
If any secondary grouting requirement, secondary grouting can be also carried out, injecting cement paste intensity reaches design requirement and completes maintenance.
（Four）, anchorage cable stretching locking
After injecting cement paste intensity reaches design value, tensioning is carried out to the steel strand wires 7 of anchor cable, 10% ~ 20% resistance to plucking is taken before tensioning
Power characteristic value is reinstalled intermediate plate after unclamping 10 leveling steel strand wires of anchor cable intermediate plate every time, is made to the pre- tensioning of steel strand wires 1 time ~ 2 times
Steel strand wires 7 are totally straight, and each location contacts are close, and anchorage cable stretching load is classified successively according to 10%, 50%, 75%, 100% and 110%
~ 120% classification carries out.
（Five）, information monitoring
By the prestressed monitoring Sensor monitoring pressure of live anchor cable test pile experiment and work anchor, and read according to sensor
Several variations makes statistics and summary to anchor cable elastic displacement, the moulding displacement of load-, elongation variation.
（Six）, anchor cable recycling
By being rotatably provided in 7 exposed junction of steel strand wires at 2 center of bearing plate when recycling, 10 band of anchor cable intermediate plate being engaged with it
Dynamic screwed pipe 9 rotates together, and screwed pipe 9, which rotates, to be exited bearing plate 2 and enter in the chamber of seal cap 1, and adjacent each sliding block 11 is to pressure-bearing
2 center convergence of plate gradually removes the anchor cable intermediate plate 10 on bearing plate 2 to front end, falls off in the chamber of seal cap 1, anchor cable folder
Piece 10 falls off after release steel strand wires 7, you can pulls out steel strand wires 7 out of anchor hole and forms recycling.
Above only the utility model is described in further detail, and not to limit the utility model patent, all is this reality
With novel equivalence enforcement, it is intended to be limited solely by within the right of the utility model patent.
Claims (1)
1. a kind of detachable prestressed anchor cable anchorage, including bearing plate（2）, steel strand wires（7）And be made of three pieces of circular cone pieces
Anchor cable intermediate plate（10）, it is characterised in that bearing plate（2）It is equipped with by screwed pipe（9）With sliding block（11）With anchor cable intermediate plate（10）Composition
Inner bolt head, bearing plate（2）Side is equipped with seal cap（1）Inner bolt head is closed, the other side is equipped with baffle（3）Sealing, seal cap（1）
And baffle（3）With bearing plate（2）By bolt（8）It is fixedly connected, the bearing plate（2）It is equipped with central through hole（23）With with equilateral
Three periphery taper holes of triangle setting（21）, central through hole（23）By cavity（22）With adjacent periphery taper hole（21）Connection；
The periphery taper hole（21）Interior suit anchor cable intermediate plate（10）；The central through hole（23）It is inside set with screwed pipe successively（9）It is pressed from both sides with anchor cable
Piece（10）；The screwed pipe（9）It is equipped with external screw thread（26）, it is axially arranged with taper hole（27）；The sliding block（11）Side is equipped with half
Round thread straight slot（24）, the other side is equipped with semicircle taper hole straight slot（25）, sliding block（11）It is arranged in cavity（22）It is interior, the half of one side
Round thread straight slot（24）With screwed pipe（9）External screw thread（26）Cooperation, the semicircle taper hole straight slot of the other side（25）With anchor cable intermediate plate
（10）Cooperation, rotation center through-hole（23）Interior steel strand wires（7）, drive screwed pipe（9）It rotates and exits bearing plate（2）Into sealing
In the chamber of cap 1, make adjacent each sliding block（11）To bearing plate（2）Center convergence discharges each anchor cable intermediate plate（10）To steel strand wires
（7）Constraint unlock, pull out steel strand wires（7）Form recycling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721738344.8U CN207619982U (en) | 2017-12-14 | 2017-12-14 | A kind of detachable prestressed anchor cable anchorage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721738344.8U CN207619982U (en) | 2017-12-14 | 2017-12-14 | A kind of detachable prestressed anchor cable anchorage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207619982U true CN207619982U (en) | 2018-07-17 |
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ID=62823732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721738344.8U Active CN207619982U (en) | 2017-12-14 | 2017-12-14 | A kind of detachable prestressed anchor cable anchorage |
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| Country | Link |
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| CN (1) | CN207619982U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108018858A (en) * | 2017-12-14 | 2018-05-11 | 上海智平基础工程有限公司 | A kind of detachable prestressed anchor cable anchorage |
| CN108894221A (en) * | 2018-09-25 | 2018-11-27 | 兰州理工大学 | Reinforced anchor bolt and its recovery method can be recycled in two generation hands |
| CN109914406A (en) * | 2019-04-08 | 2019-06-21 | 重庆大学 | The novel antiskid bearing pile of vertical anchor precompressed can be recycled in one kind |
| CN110578325A (en) * | 2019-08-27 | 2019-12-17 | 上海建工集团股份有限公司 | Recoverable prestress drilling and pouring fender post and construction method thereof |
-
2017
- 2017-12-14 CN CN201721738344.8U patent/CN207619982U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108018858A (en) * | 2017-12-14 | 2018-05-11 | 上海智平基础工程有限公司 | A kind of detachable prestressed anchor cable anchorage |
| CN108894221A (en) * | 2018-09-25 | 2018-11-27 | 兰州理工大学 | Reinforced anchor bolt and its recovery method can be recycled in two generation hands |
| CN109914406A (en) * | 2019-04-08 | 2019-06-21 | 重庆大学 | The novel antiskid bearing pile of vertical anchor precompressed can be recycled in one kind |
| CN109914406B (en) * | 2019-04-08 | 2024-02-13 | 重庆大学 | Novel anti-slip bearing pile capable of recycling vertical anchor prepressing |
| CN110578325A (en) * | 2019-08-27 | 2019-12-17 | 上海建工集团股份有限公司 | Recoverable prestress drilling and pouring fender post and construction method thereof |
| CN110578325B (en) * | 2019-08-27 | 2022-03-18 | 上海建工集团股份有限公司 | Recoverable prestress drilling and pouring fender post and construction method thereof |
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