CN207512737U - A kind of anchorage of recoverable prestressed anchor cable - Google Patents
A kind of anchorage of recoverable prestressed anchor cable Download PDFInfo
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- CN207512737U CN207512737U CN201721373626.2U CN201721373626U CN207512737U CN 207512737 U CN207512737 U CN 207512737U CN 201721373626 U CN201721373626 U CN 201721373626U CN 207512737 U CN207512737 U CN 207512737U
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- anchor
- steel strand
- strand wires
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- plate
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Abstract
The utility model discloses a kind of anchorages of recoverable prestressed anchor cable, its main feature is that the anchorage is made of I and II anchor and steel strand wires connected to it, the level-one anchor is made of two anchor heads and two bearing plates, and two anchor heads are symmetricly set on a bearing plate side and by guiding cap sealing;The two level anchor is made of another secondary bearing plate with anchor head;The anchor head by pedestal, connecting sleeve, move back anchor mandrel, anchor cable intermediate plate, spring and tap web sleeve and form;The steel strand wires respectively enter I and II anchor by anchor plate, and when steel strand tension, steel strand wires are engaged and lock by anchor cable intermediate plate;It only needs axially to push steel strand wires revealed section during unlock, the bayonet gear wheel of anchor cable intermediate plate loosens, and steel strand wires are detached from unlock realizes recycling.The utility model has simple in structure compared with prior art, and anchor force is big, and the recovery utilization rates of steel strand wires is high, make, installation it is all very convenient, further reduce 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 recoverable prestressed anchor cable
Anchorage.
Background technology
At present, 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, wherein particularity of the mechanical Recyclable anchor rope due to anchor head assembly, leads to waste of material in use(Such as n+1
Type), wire rod steel strand wires in the case where subduing loading are easily damaged;The requirement of heat molten type Recyclable anchor rope Inner bolt head installation accuracy is very tight
Lattice, hot melt system is easily damaged, influences the rate of recovery, and constructing operation requirement is very high.
The Recyclable anchor rope type of the prior art is more, but anchor force is insufficient, the rate of recovery is low, fragile after wire rod stress,
Cause the wasting of resources, it is impossible to well adapt to underground space energy conservation and environmental protection, the idea of development of green construction.
Utility model content
The anchor of a kind of recoverable prestressed anchor cable that the purpose of this utility model is in view of the deficiencies of the prior art and provides
Tool using the anchor head assembly of self-locking structure, effectively solves rapid wear after the waste of anchor cable steel strand wires material excess, wire rod stress
The bad, adverse effects such as anchor force is insufficient, the rate of recovery is low, are resource-effective, green construction provides anchor in a kind of Recyclable anchor rope
Head device, it is simple in structure, it makes, all very convenient, anchor cable cost economic, steel strand wires recoverable, work and recycling material is installed
Expect that utilization ratio is high.
What the purpose of this utility model was realized in:A kind of anchorage of recoverable prestressed anchor cable, its main feature is that the anchor
Tool forms the adjustable detachable prestress anchorage cable of two level, the level-one anchor by level-one anchor and two level anchor
It is made of two anchor heads and its steel strand wires connected respectively with a bearing plate and secondary bearing plate;Two anchor head is symmetricly set on
Bearing plate side and by guiding cap sealing;The secondary bearing plate is by the front support tube being sleeved on steel strand wires and a pressure-bearing
Plate is set for spacing;The two level anchor is by another anchor head and its steel strand wires of connection and another secondary bearing plate and secondary holds
Pressing plate forms;Another secondary bearing plate is set by the another front support tube being sleeved on steel strand wires with another secondary bearing plate for spacing
It puts;The two level anchor is set by the middle stay tube being sleeved on steel strand wires with level-one anchor for spacing;The anchor head
By connecting sleeve, move back anchor mandrel, pedestal, anchor cable intermediate plate, clamp spring, spring and tap web sleeve and form;The anchor mandrel front end of moving back is
Nose cone equipped with card slot, its rear end are the jack equipped with flange;The anchor cable intermediate plate is three pieces taper crescent moon intermediate plate composition
Bayonet gear wheel, port are equipped with caulking groove and seal groove;The spring is with Tui Mao core sleeves in connecting sleeve;The connection
Casing one end is connect with the whorl of base equipped with chamber, and the other end is connect with being set with the tap web bush whorl of anchor cable intermediate plate, anchor cable
Intermediate plate is sleeved on by caulking groove on the flange of Tui Mao core back-ends, and " O " type sealing ring by being arranged on seal groove is fixed;
The clamp spring is disposed at by the groove of connecting sleeve port on the chamber of pedestal;Bearing plate and secondary bearing plate
Circumferentially to set the porous plate of several slip castings or twisted wire hole;The steel strand wires revealed section is equipped with anchor plate, and by being sleeved on
Seat stay on steel strand wires is fixedly mounted with secondary anchor is set to spacing setting;The anchor plate is equipped with the outer anchorage of conical pipe;It is described
Conical pipe is with slip casting or twisted wire hole to be arranged in a one-to-one correspondence;The steel strand wires, by anchor plate, are divided by the conical pipe on outer anchorage
Jin Ru not be in the anchor cable intermediate plate of level-one anchor and two level anchor, when steel strand tension stress, anchor cable intermediate plate and cone
Heart sleeve is interference fit, and steel strand wires are engaged and are locked;Steel strand wires revealed section is pushed during unlock, makes to move back anchor mandrel front end and enters bottom
The chamber of seat, and card slot is lockked by clamp spring, the anchor cable intermediate plate of spring-compressed Shi Tui anchors core back-end is matched with conical sleeve for gap
It closes, discharges the snap-lock to steel strand wires, realize the recycling of steel strand wires.
The aperture in the slip casting or twisted wire hole is less than tap web sleeve diameter, and more than steel strand wires diameter;Outside the steel strand wires
Equipped with corrugated protective conduits and PE protection pipes.
The utility model has simple in structure compared with prior art, and anchor force is big, and the recovery utilization rates of steel strand wires is high, system
Make, all very convenient, anchor cable cost economic is installed, the anchor cable recoverable of supporting further reduces engineering cost.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the A-A sectional views of Fig. 1;
Fig. 3 is the B-B sectional views of Fig. 1;
Fig. 4 is anchor anchor head structure diagram;
Fig. 5 is moves back anchor core shaft structure schematic diagram;
Fig. 6 is connecting sleeve structure diagram;
Fig. 7 is anchor cable intermediate plate and moves back anchor mandrel assembling schematic diagram.
Specific embodiment
Refering to 1 ~ Fig. 3 of attached drawing, it is adjustable that the utility model by level-one anchor 1 forms two level with two level anchor 2
Detachable prestress anchorage cable, the level-one anchor 1 is by two anchor heads 11 and its steel strand wires 3 connected respectively and a bearing plate
4 and secondary bearing plate 5 form;Two anchor head 11 is symmetricly set on 4 side of bearing plate and by 19 sealing of guiding cap;It is described
Secondary bearing plate 5 is set by the front support tube 9 being sleeved on steel strand wires 3 and a bearing plate 4 for spacing;The two level anchor
2 are made of the steel strand wires 3 of another anchor head 11 and its connection with another secondary bearing plate 4 and secondary bearing plate 5;Another secondary pressure-bearing
Plate 4 is set by the another front support tube 9 being sleeved on steel strand wires 3 with another secondary bearing plate 5 for spacing;The two level anchor 2
It is set by the middle stay tube 8 being sleeved on steel strand wires 3 with level-one anchor 1 for spacing;The anchor head 11 by connecting sleeve 12, move back
Anchor mandrel 13, pedestal 14, anchor cable intermediate plate 15, clamp spring 16, spring 17 and tap web sleeve 18 form;13 front end of anchor mandrel of moving back is
Nose cone equipped with card slot 31, its rear end are the jack equipped with flange 42;The anchor cable intermediate plate 15 is three pieces taper crescent moon intermediate plate
The bayonet gear wheel of composition, port are equipped with caulking groove 51 and seal groove 52;The spring 17 is sleeved on moving back anchor mandrel 13 and connect
In casing 12;Described 12 one end of connecting sleeve is threadedly coupled with the pedestal 14 equipped with chamber 21, the other end and suit anchor cable intermediate plate
15 tap web sleeve 18 is threadedly coupled, and anchor cable intermediate plate 15 is sleeved on by caulking groove 51 on the flange 42 for moving back 13 rear end of anchor mandrel, and by
" O " the type sealing ring 53 being arranged on seal groove 52 is fixed;The clamp spring 16 will by the groove 23 of 12 port of connecting sleeve
It is arranged on the chamber 21 of pedestal 14;Bearing plate 4 and secondary bearing plate 5 is circumferentially set several slip castings or strand
The porous plate of string holes 41;3 revealed section of steel strand wires be equipped with anchor plate 6, and the seat stay 7 by being sleeved on steel strand wires 3 with
Two level anchor 2 is set for spacing;The anchor plate 6 is equipped with the outer anchorage 62 of conical pipe 61;The conical pipe 61 and note
Slurry or twisted wire hole 41 is are arranged in a one-to-one correspondence;The steel strand wires 3 pass through anchor plate 6, difference by the conical pipe 61 on outer anchorage 62
In into the anchor cable intermediate plate 15 of level-one anchor 1 and two level anchor 2, when 3 tensioning stress of steel strand wires, anchor cable intermediate plate 15
It is interference fit with tap web sleeve 18, steel strand wires 3 is engaged locking;3 revealed section of steel strand wires is pushed during unlock, makes to move back anchor mandrel 13
Front end enters the chamber 21 of pedestal 14, and locks card slot 31 by clamp spring 16, and the compression of spring 17 makes to move back the anchor cable of 13 rear end of anchor mandrel
Intermediate plate 15 is clearance fit with conical sleeve 18, discharges the snap-lock to steel strand wires 3, realizes the recycling of steel strand wires 3;Institute
The spacing and the distance between level-one anchor 1 and two level anchor 2 for stating a bearing plate 4 and secondary bearing plate 5 can
It is set and is regulated and controled according to geological conditions.
Refering to attached drawing 4, the anchor head 11 by connecting sleeve 12, move back anchor mandrel 13, pedestal 14, clamp spring 16, spring 17 and cone
Heart sleeve 18 and steel strand wires 3, bearing plates 4, a secondary bearing plates 5 for being connect with anchor cable intermediate plate 15 form;It is described to move back anchor core
13 front end of axis is the nose cone equipped with card slot 31, and its rear end is the jack equipped with flange 42;The anchor cable intermediate plate 15 is bored for three pieces
The bayonet gear wheel of shape crescent moon intermediate plate composition, port are equipped with caulking groove 51 and seal groove 52;The spring 17 is with moving back anchor mandrel 13
It is sleeved in connecting sleeve 12;Described 12 one end of connecting sleeve is threadedly coupled with the pedestal 14 equipped with chamber 21, the other end and set
The tap web sleeve 18 of dress anchor cable intermediate plate 15 is threadedly coupled, and anchor cable intermediate plate 15 is sleeved on the flange for moving back 13 rear end of anchor mandrel by caulking groove 51
On 42, and " O " the type sealing ring 53 by being arranged on seal groove 52 is fixed;The pedestal 14 is steel base, limits steel
Twisted wire 3 along anchor cable axis direction displacement, prevents steel strand wires 3 from stretching into long and anchor moving back anchor mandrel 13 in the chamber 21 of pedestal 14
Cord clip piece 15, tap web sleeve 18 and 4 sub-assembly of bearing plate are detached from;The aperture in the slip casting or twisted wire hole 41 is less than tap web set
18 diameters of cylinder, and more than 3 diameter of steel strand wires;The steel strand wires 3 are externally provided with corrugated protective conduits 33 and PE protection pipes 32.
Refering to attached drawing 5, for the nose cone equipped with card slot 31, its rear end is equipped with flange 42 for 13 front end of anchor mandrel of moving back
Jack.
Refering to attached drawing 6,12 Single port of connecting sleeve is equipped with groove 23.
Refering to attached drawing 7, the anchor cable intermediate plate 15 is the bayonet gear wheel of three pieces taper crescent moon intermediate plate composition, and port is equipped with
Caulking groove 51 and seal groove 52, anchor cable intermediate plate 15 are sleeved on by caulking groove 51 on the flange 42 for moving back 13 rear end of anchor mandrel.
The utility model uses in this way:Steel strand wires 3 are passed through into anchor plate 6, difference by the conical pipe 61 of outer anchorage 62
In into the anchor cable intermediate plate 5 of level-one anchor 1 and two level anchor 2, it is sleeved on the spring 17 moved back on anchor mandrel 13 and is in
Relaxed state, clamp spring 16 are arranged on the chamber 21 of 12 front end pedestal 14 of connecting sleeve, tighten connecting sleeve 12, port it is recessed
Clamp spring 16 can be fixed on pedestal 14 by slot 23, and card slot 31, which is located at, moves back 13 front end of anchor mandrel, and steel strand wires 3 are by anchor cable intermediate plate 15
Crimping fix.When 3 tensioning stress of anchor cable steel strand wires, the bayonet gear wheel of anchor cable intermediate plate 15 in anchor mandrel 13 is moved back by tap web sleeve
18 tightenings, steel strand wires 3 move back the anchor cable folder of 13 tail portion of anchor mandrel by 15 snap-lock of anchor cable intermediate plate in pulling anchor cable stage tap web sleeve 18
Piece 15 locks steel strand wires 15, forms internal anchor head end and fixes, the anchor cable steel strand wires 3 of outer anchor section are opened according to design load value
Drawing.It only needs steel strand wires 3 pushing 15 ~ 20mm distances in hole along anchor hole direction during unlock, moves back anchor mandrel 13 and move ahead by card
Spring 16 locks the card slot 31 for moving back 13 front end of anchor mandrel, is arranged on 15 pine of anchor cable intermediate plate that 3 tail portion of anchor mandrel is moved back in tap web sleeve 8
It opens, steel strand wires 3 unlock successfully, then pull out steel strand wires 3 and complete recycling.The utility model is limited with three-level:Level-one limits
Pedestal 14, control steel strand wires 3 stroke length and are fixed in the chamber 21 of pedestal 14 by clamp spring 16;Two level limiting is connecting sleeve
12 and connecting sleeve 12 in move back anchor mandrel 13;Three-level limiting is front support tube 9, steel strand wires 3 and level-one bearing plate 4 is formed good
Good fixation and limiting.
Above that only the utility model is described further, 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 (2)
1. a kind of anchorage of recoverable prestressed anchor cable, it is characterised in that the anchorage is by level-one anchor(1)It is anchored with two level
Device(2)Form the adjustable detachable prestress anchorage cable of two level, the level-one anchor(1)By two anchor heads(11)And its respectively
The steel strand wires of connection(3)With a bearing plate(4)With secondary bearing plate(5)Composition;Two anchor head(11)It is symmetricly set on one
Secondary bearing plate(4)Side and by guiding cap(19)Sealing;The secondary bearing plate(5)By being sleeved on steel strand wires(3)On preceding support
Pipe(9)With a bearing plate(4)It is set for spacing;The two level anchor(2)By another anchor head(11)And its steel of connection
Twisted wire(3)With another secondary bearing plate(4)With secondary bearing plate(5)Composition;Another secondary bearing plate(4)By being sleeved on steel strand wires
(3)On another front support tube(9)With another secondary bearing plate(5)It is set for spacing;The two level anchor(2)By being sleeved on steel
Twisted wire(3)On middle stay tube(8)With level-one anchor(1)It is set for spacing;The anchor head(11)By connecting sleeve(12), move back
Anchor mandrel(13), pedestal(14), anchor cable intermediate plate(15), clamp spring(16), spring(17)With tap web sleeve(18)Composition;It is described to move back anchor
Mandrel(13)Front end is equipped with card slot(31)Nose cone, its rear end be equipped with flange(42)Jack;The anchor cable intermediate plate
(15)For the bayonet gear wheel of three pieces taper crescent moon intermediate plate composition, port is equipped with caulking groove(51)And seal groove(52);The bullet
Spring(17)With moving back anchor mandrel(13)It is sleeved on connecting sleeve(12)It is interior;The connecting sleeve(12)One end is with being equipped with chamber(21)'s
Pedestal(14)It is threadedly coupled, the other end and suit anchor cable intermediate plate(15)Tap web sleeve(18)It is threadedly coupled, anchor cable intermediate plate(15)
By caulking groove(51)It is sleeved on and moves back anchor mandrel(13)The flange of rear end(42)On, and by being arranged on seal groove(52)On " O " type it is close
Seal(53)It is fixed;The clamp spring(16)By connecting sleeve(12)The groove of port(23)It is disposed at pedestal(14)'s
Chamber(21)On;Bearing plate(4)With secondary bearing plate(5)Circumferentially to set several slip castings or twisted wire hole(41)'s
Porous plate;The steel strand wires(3)Revealed section is equipped with anchor plate(6), and by being sleeved on steel strand wires(3)On seat stay(7)With
Two level anchor(2)It is set for spacing;The anchor plate(6)It is equipped with conical pipe(61)Outer anchorage(62);The taper
Pipe(61)With slip casting or twisted wire hole(41)To be arranged in a one-to-one correspondence;The steel strand wires(3)By outer anchorage(62)On conical pipe
(61)Pass through anchor plate(6), respectively enter level-one anchor(1)With two level anchor(2)Anchor cable intermediate plate(15)It is interior, when
Steel strand wires(3)During tensioning stress, anchor cable intermediate plate(15)With tap web sleeve(18)To be interference fitted, by steel strand wires(3)Occlusion locking;
Steel strand wires are pushed during unlock(3)Revealed section makes to move back anchor mandrel(13)Front end enters pedestal(14)Chamber(21), and by clamp spring
(16)Lock card slot(31), spring(17)Compression makes to move back anchor mandrel(13)The anchor cable intermediate plate of rear end(15)With conical sleeve(18)For
Clearance fit is discharged to steel strand wires(3)Snap-lock, realize steel strand wires(3)Recycling.
2. the anchorage of recoverable prestressed anchor cable according to claim 1, it is characterised in that the slip casting or twisted wire hole(41)
Aperture be less than tap web sleeve(18)Diameter, and more than steel strand wires(3)Diameter;The steel strand wires(3)It is externally provided with corrugated protective conduits
(33)With PE protection pipes(32).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721373626.2U CN207512737U (en) | 2017-10-20 | 2017-10-20 | A kind of anchorage of recoverable prestressed anchor cable |
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CN201721373626.2U CN207512737U (en) | 2017-10-20 | 2017-10-20 | A kind of anchorage of recoverable prestressed anchor cable |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109555546A (en) * | 2019-01-21 | 2019-04-02 | 中国水利水电第十工程局有限公司 | It faces upward the lower rope device of anchor cable for deep hole wide-angle |
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 |
CN110042833A (en) * | 2018-10-15 | 2019-07-23 | 北京中岩大地科技股份有限公司 | A kind of prestressed anchor used based on recoverable version anchor cable |
CN111926810A (en) * | 2020-09-23 | 2020-11-13 | 大连理工大学 | Anchor recoverable waist-beam-free anchor cable supporting structure and construction method thereof |
CN112031843A (en) * | 2020-08-28 | 2020-12-04 | 中国科学院武汉岩土力学研究所 | Double-cylinder installation and anchor withdrawal integrated anchorage device |
CN112065482A (en) * | 2020-09-10 | 2020-12-11 | 泰安泰烁岩层控制科技有限公司 | Mining anti-drop anchor cable tool and using method thereof |
CN112411536A (en) * | 2020-11-09 | 2021-02-26 | 厦门市宏承工程材料有限公司 | Novel recovery anchor rope of demountable assembly formula |
CN114032892A (en) * | 2021-12-03 | 2022-02-11 | 广西北投交通养护科技集团有限公司 | Stirrup-enhanced bag-type expanded anchor cable device |
CN114808695A (en) * | 2022-04-19 | 2022-07-29 | 国能神东煤炭集团有限责任公司 | Support anchor rope and fixed knot construct |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110042833A (en) * | 2018-10-15 | 2019-07-23 | 北京中岩大地科技股份有限公司 | A kind of prestressed anchor used based on recoverable version anchor cable |
CN109555546A (en) * | 2019-01-21 | 2019-04-02 | 中国水利水电第十工程局有限公司 | It faces upward the lower rope device of anchor cable for deep hole wide-angle |
CN109555546B (en) * | 2019-01-21 | 2024-04-09 | 中国水利水电第十工程局有限公司 | Cable unloading device for deep hole large-angle upward-leaning anchor cable |
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 |
CN112031843A (en) * | 2020-08-28 | 2020-12-04 | 中国科学院武汉岩土力学研究所 | Double-cylinder installation and anchor withdrawal integrated anchorage device |
CN112065482A (en) * | 2020-09-10 | 2020-12-11 | 泰安泰烁岩层控制科技有限公司 | Mining anti-drop anchor cable tool and using method thereof |
CN111926810A (en) * | 2020-09-23 | 2020-11-13 | 大连理工大学 | Anchor recoverable waist-beam-free anchor cable supporting structure and construction method thereof |
CN112411536A (en) * | 2020-11-09 | 2021-02-26 | 厦门市宏承工程材料有限公司 | Novel recovery anchor rope of demountable assembly formula |
CN114032892A (en) * | 2021-12-03 | 2022-02-11 | 广西北投交通养护科技集团有限公司 | Stirrup-enhanced bag-type expanded anchor cable device |
CN114032892B (en) * | 2021-12-03 | 2023-09-12 | 广西北投交通养护科技集团有限公司 | Stirrup enhancement mode bag type expands body anchor rope device |
CN114808695A (en) * | 2022-04-19 | 2022-07-29 | 国能神东煤炭集团有限责任公司 | Support anchor rope and fixed knot construct |
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