CN106284346B - A kind of easy-to-dismount intermediate plate anchorage - Google Patents
A kind of easy-to-dismount intermediate plate anchorage Download PDFInfo
- Publication number
- CN106284346B CN106284346B CN201610839478.2A CN201610839478A CN106284346B CN 106284346 B CN106284346 B CN 106284346B CN 201610839478 A CN201610839478 A CN 201610839478A CN 106284346 B CN106284346 B CN 106284346B
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- CN
- China
- Prior art keywords
- intermediate plate
- anchor cup
- sleeve
- bolt
- jacking
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
- E02D5/765—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor removable
Abstract
The invention discloses a kind of easy-to-dismount intermediate plate anchorages, including the intermediate plate and anchor cup set gradually from top to bottom；It is equipped with center taper hole in anchor cup, limit card slot is equipped on the upper surface of anchor cup；Intermediate plate is equipped with 2~3 be evenly distributed, the main body lateral surface of 2~3 intermediate plates constitutes the conical surface coincideing with center taper hole, it is provided with holding tank circumferentially on the inside of each intermediate plate, the lifting platform there are one radially evagination is set at the top of each intermediate plate；Jacking bolt pair is equipped between the lifting platform lower face and anchor cup upper surface of intermediate plate, jacking bolt pair is set there are one sleeve, oppositely oriented two parts screw thread up and down is equipped in sleeve, the top screw thread of sleeve is connect with top flat head bolt, the lower thread of sleeve is connect with lower part hexagon-headed bolt, and hexagon-headed bolt is inlaid in limit card slot.Simple structure of the present invention, processing and fabricating are convenient, reusable, easy to disassemble.
Description
Technical field
The present invention relates to a kind of intermediate plate anchorages for steel strand anchoring, more particularly to a kind of easy-to-dismount intermediate plate anchor
Tool.
Background technology
Prestressed structure has been obtained for being widely applied.In prestressed structure, drag-line is its core component, and drag-line
In it is most common, be most widely used is exactly steel strand wires.Steel strand wires have very high tensile strength, it means that the anchor of its end
Tool must be reliable, can bear huge pulling force in use and loosen phenomenon without occurring.Currently, the anchorage of steel strand wires is
Through with highly developed form, most widely used is strand tapered anchorage, abbreviation intermediate plate anchorage, by wedge-shaped intermediate plate by
The principle that clipped object is clamped when drawing effectively plays anchorage effect to steel strand wires.
However, in building foundation pit and ground base enforcement field, though Anchor Cable Technique has been obtained for widely using,
It is found during use, gib can not be recycled effectively with common anchor cable after the completion of gib function, be formed permanent
Underground garbage causes underground environmental pollution, while also being made to the sustainable development of the foundation pit construction of adjoining area and urban construction
At adverse effect.In view of irretrievable problem existing for common anchor cable, some countries and regions develop novel dismountable and return
The anchorage of receipts, but most of detachable recycling anchorages make complicated, of high cost, construction inconvenience, removal efficiency is low.
In addition, in steel strand wires Relaxation detecting, the form of the common intermediate plate anchorage of generally use carries out the both ends of steel strand wires
Then anchoring carries out tensioning to steel strand wires, after being stretched to certain prestressing force, keeps the strain of steel strand wires constant, observe 120 hours
The stress variation situation of interior steel strand wires.Since Relaxation detecting is generally stretched to 0.7 times of steel strand wires limit stress, stretching force is very
Greatly, after the completion of experiment, intermediate plate is tightly stuck between anchor cup and steel strand wires under the action of prestressing force, it usually needs using cutting
Machine cuts off steel strand wires from centre, could take out sample from testing machine, then uses pressure testing machine by intermediate plate from anchor cup
Middle extrusion, in case next time, experiment used.It is difficult to existing for common intermediate plate anchorage to dismantle since dismounting is inconvenient, in relaxation testing machine
Problem considerably increases the work difficulty and workload of experiment, reduces test efficiency.
It is steel strand wires intermediate plate anchor that the problem of above-mentioned Anchor Cable Technique and steel strand wires Relaxation detecting, which uniformly sums up,
Therefore the problem of tool inconvenient dismounting, it is convenient, easy-to-dismount novel to need to develop at present a kind of simple structure, processing and fabricating
Intermediate plate anchorage.
Invention content
The present invention for solve technical problem present in known technology provide a kind of simple structure, processing and fabricating it is convenient,
Reusable and easy-to-dismount intermediate plate anchorage.
The present invention is adopted the technical scheme that solve technical problem present in known technology：It is a kind of easy-to-dismount
Intermediate plate anchorage, including the intermediate plate and anchor cup that set gradually from top to bottom；Up big and down small center taper hole is equipped in the anchor cup,
2~3 limit card slots being evenly distributed are equipped on the upper surface of the anchor cup；The intermediate plate is equipped with 2 be evenly distributed
~3, the main body lateral surface of 2~3 intermediate plates constitutes a conical surface identical with the center taper hole in the anchor cup, 2
A steel strand wires end holding holes are formed among~3 intermediate plates, is provided on the inside of each intermediate plate and circumferentially prolongs
The holding tank stretched, sets that there are one the lifting platforms of radially evagination at the top of each intermediate plate；It is flat in the jacking of the intermediate plate
Between platform lower face and anchor cup upper surface be equipped with jacking bolt pair, the jacking bolt pair set there are one sleeve, in the sleeve
Interior to be equipped with oppositely oriented two parts screw thread up and down, the top screw thread of the sleeve is connect with top flat head bolt, the sleeve
Lower thread connect with lower part hexagon-headed bolt；The jacking bolt pair, the intermediate plate and the limit card slot quantity phase
Together, when the intermediate plate anchorage is removed, the lower part hexagon-headed bolt of the jacking bolt pair is inlaid in the limit correspondingly
In card slot, it is described jacking bolt pair top flat head bolt correspondingly apical grafting on the lifting platform of the intermediate plate；Into
When row steel strand anchoring, the end of steel strand wires is clamped to by 2~3 intermediate plates in the anchor cup, 2~3 folders
The main body plug of piece is in the center taper hole in the anchor cup, the lifting platform lower face of the intermediate plate and the anchor cup upper surface
The distance between be more than it is described jacking bolt pair minimum constructive height.
The intermediate plate is equipped with connecting groove in the lower section of its lifting platform, and 2~3 intermediate plates are by being placed on the company
The rubber ring connect in groove links together.
The invention has the advantages and positive effects that：
1) in the Anchor Cable Technique in building foundation pit and ground base enforcement field, using disclosed by the invention easy-to-dismount
Intermediate plate anchorage can not influence anchor cable performance when anchor cable works, and can easily be torn intermediate plate anchorage open after use
It removes, recycles steel strand wires and intermediate plate anchorage.
It 2), can be in relaxation test using easy-to-dismount intermediate plate anchorage disclosed by the invention in steel strand wires Relaxation detecting
Intermediate plate anchorage is easily removed after the completion, is taken out steel strand wires sample, is avoided and sample is cut, reduce the difficulty of experiment
And workload, it improves work efficiency.
3) easy-to-dismount intermediate plate anchorage simple structure disclosed by the invention, processing and fabricating are convenient, can be mass.
4) method for dismounting is simple after use for easy-to-dismount intermediate plate anchorage disclosed by the invention, and outfit is few, time saving
It is laborsaving, and repeatable utilization.
Description of the drawings
Fig. 1 is a kind of easy-to-dismount intermediate plate anchorage entirety schematic three dimensional views of the present invention；
Fig. 2 is the schematic three dimensional views of intermediate plate of the present invention；
Fig. 3 is jacking bolt pair schematic three dimensional views of the present invention；
Fig. 4 is anchor cup sectional view of the present invention；
Fig. 5 is intermediate plate sectional view of the present invention；
Fig. 6 is rubber ring schematic three dimensional views of the present invention；
Fig. 7 is sleeve sectional view of the present invention.
In figure：1, anchor cup, 2, intermediate plate, 3, jacking bolt pair, 4, limit card slot, 5, holding tank, 6, connecting groove, 7, set
Cylinder, 8, top flat head bolt, 9, lower part hexagon-headed bolt, 10, main body lateral surface, 11, lifting platform, 12, rubber ring, 13, on
Portion's screw thread, 14, lower thread.
Specific implementation mode
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and coordinate attached drawing
Detailed description are as follows：
~Fig. 7, a kind of easy-to-dismount intermediate plate anchorage are please referred to Fig.1, including the intermediate plate 2 and anchor set gradually from top to bottom
Cup 1；It is equipped with up big and down small center taper hole in the anchor cup 1, is equipped on the upper surface of the anchor cup 1 and to be evenly distributed
2~3 limit card slots 4；The intermediate plate 2 is equipped with 2~3 be evenly distributed, the main body lateral surface 10 of 2~3 intermediate plates 2
A conical surface identical with the center taper hole in the anchor cup 1 is constituted, a steel strand wires are formed among 2~3 intermediate plates 2
End holding holes are provided with holding tank 5 circumferentially in the inside of each intermediate plate 2, are twisted for increasing intermediate plate 2 and steel
Clamping bond stress between clue body, the top of each intermediate plate 2 set that there are one the lifting platforms 11 of radially evagination；Institute
It states and is equipped with jacking bolt pair 3 between 1 upper surface of 11 lower face of lifting platform and anchor cup of intermediate plate 2, the jacking bolt pair 3 is equipped with
One sleeve 7 is equipped with oppositely oriented two parts screw thread up and down, the set in the sleeve 7 by boundary of sleeve mid-plane
The top screw thread 13 of cylinder 7 is connect with top flat head bolt 8, and lower thread 14 and the lower part hexagon-headed bolt 9 of the sleeve 7 connect
It connects；The jacking bolt pair 3, the intermediate plate 2 and 4 quantity of the limit card slot are identical, described when the intermediate plate anchorage is removed
The lower part hexagon-headed bolt 9 of jacking bolt pair 3 is inlaid in correspondingly in the limit card slot 4, the jacking bolt pair 3
Top flat head bolt 8 correspondingly apical grafting on the lifting platform 11 of the intermediate plate 2；When carrying out steel strand anchoring, steel twists
The end of line is clamped to by 2~3 intermediate plates 2 in the anchor cup 1, and the main body plug of 2~3 intermediate plates 2 is mounted in institute
It states in the center taper hole in anchor cup 1, the distance between 11 lower face of lifting platform and 1 upper surface of the anchor cup of the intermediate plate 2
More than the minimum constructive height of the jacking bolt pair, which is that top flat head bolt 8 and lower part hexagon-headed bolt 9 are all twisted
The height for entering the jacking bolt pair 3 after sleeve 7, in order to can easily be put jacking bolt pair 3 when dismantling intermediate plate anchorage
It sets in limit card slot 4.
In the present embodiment, the intermediate plate 2 is equipped with 6,2~3 folders of connecting groove in the lower section of its lifting platform 11
Piece 2 is linked together by the rubber ring 12 being placed in the connecting groove 6.In the present embodiment, the intermediate plate 2 uses 3
It is a.
Three intermediate plates 2 when in use, are linked together using rubber ring 12, then steel are twisted by above-mentioned intermediate plate anchorage first
Line end is pierced by from anchor cup 1 and three intermediate plates 2, and intermediate plate 2 is filled in anchor cup 1, and the top of intermediate plate 2 is gently tapped using hand hammer
Peaceful 11, intermediate plate 2 is made to clamp intermediate steel strand wires.Then tensioning can be carried out to steel strand wires, due in anchor cup when tensioning
The outside conical surface interaction of heart taper hole and intermediate plate 2 so that intermediate plate 2 is to the chucking powers of steel strand wires with the increase of steel twisted-line tension-force
And increase, ensure that steel strand wires are not slipped from intermediate plate anchorage.Intermediate plate anchorage use finish need to remove it when, first
It is zero by the stretching force unloading of steel strand wires, then by the top flat head bolt 8 and lower part hexagon-headed bolt 9 of 3 jacking bolt pairs 3
It is all screwed into sleeve 7, the top surface coating lubricating oil of flat head bolt 8 on top, and three jacking bolt pairs 3 is individually positioned in
In three limit card slots 4 of 1 upper surface of anchor cup.Then use spanner along making top flat head bolt 8 and lower part hexagon-headed bolt 9
The direction of back-out screws the sleeve 7 of three jacking bolt pairs 3 successively, keeps top flat head bolt 8 and lower part hexagon-headed bolt 9 outside
It screws out, since the limit card slot 4 in anchor cup 1 limits the rotation of lower part hexagon-headed bolt 9, therefore top flat head bolt 8 will jack
The lifting platform 11 of intermediate plate 2 so that intermediate plate 2 moves upwards, and the ejection of intermediate plate 2 is realized, so as to complete the dismounting of intermediate plate anchorage.
When actually dismantling, if human hand is enough, three spanners can be used while screwing three sleeves 7, dismantles speed at this time and manage the most
Think, if one man operation, can be used a spanner screw on a small quantity successively three jacking bolt pair 3 sleeves 7, circulate operation until
Whole intermediate plate ejections.
Although the preferred embodiment of the present invention is described above in conjunction with attached drawing, the invention is not limited in upper
The specific implementation mode stated, the above mentioned embodiment is only schematical, be not it is restrictive, this field it is common
Technical staff under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, may be used also
By make it is many in the form of, within these are all belonged to the scope of protection of the present invention.
Claims (2)
1. a kind of easy-to-dismount intermediate plate anchorage, which is characterized in that including the intermediate plate set gradually from top to bottom and anchor cup；Institute
It states and is equipped with up big and down small center taper hole in anchor cup, 2~3 limits being evenly distributed are equipped on the upper surface of the anchor cup
Card slot；The intermediate plate is equipped be evenly distributed 2~3, the main body lateral surfaces of 2~3 intermediate plates constitute one with it is described
The conical surface that center taper hole in anchor cup coincide, forms a steel strand wires end holding holes, every among 2~3 intermediate plates
It is provided with holding tank circumferentially on the inside of a intermediate plate, sets that there are one radially evaginations at the top of each intermediate plate
Lifting platform；Jacking bolt pair, the jacking are equipped between the lifting platform lower face and anchor cup upper surface of the intermediate plate
Bolt pair is set there are one sleeve, and oppositely oriented two parts screw thread up and down, the top spiral shell of the sleeve are equipped in the sleeve
Line is connect with top flat head bolt, and the lower thread of the sleeve is connect with lower part hexagon-headed bolt；The jacking bolt pair, institute
It states intermediate plate and the limit card slot quantity is identical, when the intermediate plate anchorage is removed, the lower part turret head of the jacking bolt pair
Bolt is inlaid in correspondingly in the limit card slot, the top flat head bolt apical grafting correspondingly of the jacking bolt pair
On the lifting platform of the intermediate plate；When carrying out steel strand anchoring, the end of steel strand wires is clamped admittedly by 2~3 intermediate plates
It is scheduled in the anchor cup, the main body plug of 2~3 intermediate plates is in the center taper hole in the anchor cup, the top of the intermediate plate
The distance between peaceful lower face and the anchor cup upper surface are more than the minimum constructive height of the jacking bolt pair.
2. easy-to-dismount intermediate plate anchorage according to claim 1, which is characterized in that the intermediate plate is in its lifting platform
Lower section is equipped with connecting groove, and 2~3 intermediate plates are linked together by the rubber ring being placed in the connecting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610839478.2A CN106284346B (en) | 2016-09-20 | 2016-09-20 | A kind of easy-to-dismount intermediate plate anchorage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610839478.2A CN106284346B (en) | 2016-09-20 | 2016-09-20 | A kind of easy-to-dismount intermediate plate anchorage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106284346A CN106284346A (en) | 2017-01-04 |
| CN106284346B true CN106284346B (en) | 2018-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610839478.2A Active CN106284346B (en) | 2016-09-20 | 2016-09-20 | A kind of easy-to-dismount intermediate plate anchorage |
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| Country | Link |
|---|---|
| CN (1) | CN106284346B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958232B (en) * | 2019-03-11 | 2021-05-25 | 中国建筑第八工程局有限公司 | Prestressed anchorage device fastening device and use method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06173259A (en) * | 1992-12-01 | 1994-06-21 | Kokudo Bosai Gijutsu Kk | Anchor cable fixture |
| JP2688340B2 (en) * | 1995-07-27 | 1997-12-10 | 黒沢建設株式会社 | U-turn type ground anchor structure and PC steel stranded wire used for the anchor structure |
| CN202347500U (en) * | 2011-11-30 | 2012-07-25 | 中国水利水电第八工程局有限公司 | Integrated cable-penetrating guiding device for U-shaped anchor cable |
| CN202969378U (en) * | 2012-11-23 | 2013-06-05 | 浙江中桥预应力设备有限公司 | Detachable anchor cable |
| CN103244160B (en) * | 2013-05-20 | 2015-05-13 | 河北联合大学 | Detachable reused single-pore clamping piece type anchor rope anchorage device |
| CN206070527U (en) * | 2016-09-20 | 2017-04-05 | 天津大学 | A kind of easy-to-dismount intermediate plate anchorage |
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2016
- 2016-09-20 CN CN201610839478.2A patent/CN106284346B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106284346A (en) | 2017-01-04 |
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Address after: 300350 Haijing garden, Haihe Education Park, Jinnan, Tianjin, 135, Tianjin University. Patentee after: Tianjin University Address before: 300072 Tianjin City, Nankai District Wei Jin Road No. 92, Tianjin University Patentee before: Tianjin University |