CN206070527U - A kind of easy-to-dismount intermediate plate anchorage - Google Patents

A kind of easy-to-dismount intermediate plate anchorage Download PDF

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Publication number
CN206070527U
CN206070527U CN201621069546.3U CN201621069546U CN206070527U CN 206070527 U CN206070527 U CN 206070527U CN 201621069546 U CN201621069546 U CN 201621069546U CN 206070527 U CN206070527 U CN 206070527U
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CN
China
Prior art keywords
intermediate plate
anchor cup
sleeve
bolt
lifting platform
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Withdrawn - After Issue
Application number
CN201621069546.3U
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Chinese (zh)
Inventor
王霄翔
陈志华
余玉洁
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Tianjin University
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Tianjin University
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Priority to CN201621069546.3U priority Critical patent/CN206070527U/en
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Publication of CN206070527U publication Critical patent/CN206070527U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of easy-to-dismount intermediate plate anchorage, including the intermediate plate and anchor cup that set gradually from top to bottom;Center taper hole is provided with anchor cup, spacing draw-in groove is provided with the upper surface of anchor cup;Intermediate plate is provided with 2~3 for being evenly distributed, the main body lateral surface of 2~3 intermediate plates constitutes the conical surface that a Ge Yu centers taper hole coincide, holding tank circumferentially is provided with the inside of each intermediate plate, the lifting platform of a radially evagination at the top of each intermediate plate, is provided with;Jacking bolt pair is provided between the lifting platform lower surface of intermediate plate and anchor cup upper surface, jacking bolt pair is provided with a sleeve, oppositely oriented two parts screw thread up and down is provided with sleeve, the top screw thread of sleeve is connected with top flat head bolt, the lower thread of sleeve is connected with bottom hexagon-headed bolt, and hexagon-headed bolt is inlaid in spacing draw-in groove.This utility model simple structure, processing and fabricating are convenient, reusable, easy to disassemble.

Description

A kind of easy-to-dismount intermediate plate anchorage
Technical field
This utility model is related to a kind of intermediate plate anchorage for steel strand anchoring, more particularly to a kind of easy-to-dismount folder Piece anchorage.
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 occur without and release phenomenon.At present, the anchorage of steel strand wires has been Jing has a highly developed form, most widely used to be strand tapered anchorage, abbreviation intermediate plate anchorage, and which passes through wedge shape intermediate plate and receives The principle that clipped object is clamped during drawing effectively serves anchorage effect to steel strand wires.
However, in building foundation pit and ground base enforcement field, though Anchor Cable Technique has been obtained for extensive use, Find during use, the common anchor cable of gib after the completion of gib function cannot efficient recovery, formed permanently Underground garbage, causes underground environmental pollution, while the sustainable development of foundation pit construction also to adjoining area and urban construction is made Into adverse effect.In view of the irretrievable problem that common anchor cable is present, some countries and regions develop novel dismountable and return The anchorage of receipts, but the detachable anchorage that reclaims of great majority makes complicated, and high cost, construction inconvenience, removal efficiency are low.
In addition, in steel strand wires Relaxation detecting, generally being carried out to the two ends of steel strand wires in the form of common intermediate plate anchorage Then steel strand wires are carried out tensioning by anchoring, after being stretched to certain prestressing force, are kept the strain of steel strand wires constant, are observed 120 hours The STRESS VARIATION situation of interior steel strand wires.As Relaxation detecting is typically stretched to 0.7 times of steel strand wires limit stress, stretching force is very Greatly, after the completion of test, intermediate plate is tightly stuck between anchor cup and steel strand wires in the presence of prestressing force, it usually needs using cutting Sample from middle cut-out, could be taken out from testing machine by machine by steel strand wires, then using pressure testing machine by intermediate plate from anchor cup Middle extrusion, in case next time, test was used.Due to dismounting inconvenience, what in relaxation testing machine, common intermediate plate anchorage was present is difficult to what is dismantled Problem considerably increases the work difficulty and workload of test, reduces test efficiency.
Problem present in above-mentioned Anchor Cable Technique and steel strand wires Relaxation detecting is unified to sum up to be steel strand wires intermediate plate anchor The problem of tool inconvenience dismounting, therefore, need to develop a kind of simple structure, processing and fabricating at present convenient, easy-to-dismount new Intermediate plate anchorage.
The content of the invention
This utility model provides a kind of simple structure, processing and fabricating side to solve technical problem present in known technology Just, reusable and easy-to-dismount intermediate plate anchorage.
This utility model is adopted the technical scheme that by solving technical problem present in known technology:One kind is easy to tear open The intermediate plate anchorage for unloading, including the intermediate plate and anchor cup that set gradually from top to bottom;Up big and down small center is provided with the anchor cup Taper hole, is provided with 2~3 spacing draw-in grooves being evenly distributed on the upper surface of the anchor cup;The intermediate plate is provided with circumferentially equal 2~3 of cloth, the main body lateral surface of 2~3 intermediate plates constitute one with the anchor cup in the cone that coincide of center taper hole Face, clamps hole in 2~3 intermediate plate intermediate formation, one steel strand wires termination, is provided with edge on the inside of each described intermediate plate Circumferentially extending holding tank, is provided with the lifting platform of a radially evagination at the top of each described intermediate plate;In the intermediate plate Jacking bolt pair is provided between lifting platform lower surface and anchor cup upper surface, the jacking bolt pair is provided with a sleeve, in institute State and in sleeve, be provided with oppositely oriented two parts screw thread up and down, the top screw thread of the sleeve is connected with top flat head bolt, institute The lower thread for stating sleeve is connected with bottom hexagon-headed bolt;The jacking bolt pair, the intermediate plate and the spacing draw-in groove Quantity is identical, and when the intermediate plate anchorage is removed, the bottom hexagon-headed bolt of the jacking bolt pair is inlaid in institute correspondingly State in spacing draw-in groove, the top flat head bolt of jacking bolt pair lifting platform of the apical grafting in the intermediate plate correspondingly On;When steel strand anchoring is carried out, the termination of steel strand wires is clamped in the anchor cup by 2~3 intermediate plates, 2~3 The main body plug of the intermediate plate is mounted in the center taper hole in the anchor cup, the lifting platform lower surface of the intermediate plate and the anchor cup Minimum constructive height of the distance between the upper surface more than the jacking bolt pair.
The intermediate plate is provided with connecting groove below its lifting platform, and 2~3 intermediate plates are by being placed on the company The rubber ring connect in groove links together.
This utility model has the advantages and positive effects that:
1) in the Anchor Cable Technique in building foundation pit and ground base enforcement field, using being easy to tear open disclosed in this utility model The intermediate plate anchorage for unloading can not affect anchor cable performance when anchor cable works, using can easily by intermediate plate anchor after finishing Tool is removed, and reclaims steel strand wires and intermediate plate anchorage.
2) in steel strand wires Relaxation detecting, can be lax using easy-to-dismount intermediate plate anchorage disclosed in this utility model Easily remove intermediate plate anchorage after the completion of test, take out steel strand wires sample, it is to avoid sample is cut, reduce test Difficulty and workload, improve work efficiency.
3) disclosed in this utility model, easy-to-dismount intermediate plate anchorage simple structure, processing and fabricating are convenient, can be mass.
4) method for dismounting is simple after use for easy-to-dismount intermediate plate anchorage disclosed in this utility model, and outfit is few, It is time saving and energy saving, 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 this utility model;
The schematic three dimensional views of the intermediate plate that Fig. 2 is adopted by this utility model;
The jacking bolt pair schematic three dimensional views that Fig. 3 is adopted by this utility model;
The anchor cup profile that Fig. 4 is adopted by this utility model;
The intermediate plate profile that Fig. 5 is adopted by this utility model;
The rubber ring schematic three dimensional views that Fig. 6 is adopted by this utility model;
The sleeve profile that Fig. 7 is adopted by this utility model.
In figure:1st, anchor cup, 2, intermediate plate, 3, jacking bolt pair, 4, spacing draw-in groove, 5, holding tank, 6, connecting groove, 7, set Cylinder, 8, top flat head bolt, 9, bottom hexagon-headed bolt, 10, main body lateral surface, 11, lifting platform, 12, rubber ring, 13, on Portion's screw thread, 14, lower thread.
Specific embodiment
For the content of the invention of the present utility model, feature and effect can be further appreciated that, following examples are hereby enumerated, and is coordinated Accompanying drawing describes in detail as follows:
Refer to Fig. 1~Fig. 7, a kind of easy-to-dismount intermediate plate anchorage, including the intermediate plate 2 and anchor that set gradually from top to bottom Cup 1;Up big and down small center taper hole is provided with the anchor cup 1, is provided with what is be evenly distributed on the upper surface of the anchor cup 1 2~3 spacing draw-in grooves 4;The intermediate plate 2 is provided with 2~3 for being evenly distributed, the main body lateral surface 10 of 2~3 intermediate plates 2 Constitute one with the anchor cup 1 in center taper hole coincide the conical surface, in 2~3 intermediate plates, 2 intermediate formation, one steel strand wires Termination clamps hole, and the inner side of each intermediate plate 2 is provided with holding tank 5 circumferentially, twists for increasing intermediate plate 2 and steel Clamping bond stress between clue body, the top of each intermediate plate 2 are provided with the lifting platform 11 of a radially evagination;Institute Jacking bolt pair 3 is provided between 1 upper surface of 11 lower surface of lifting platform and anchor cup for stating intermediate plate 2, the jacking bolt pair 3 is provided with One sleeve 7, is provided with oppositely oriented two parts screw thread up and down, the set by boundary of sleeve mid-plane in the sleeve 7 The top screw thread 13 of cylinder 7 is connected with top flat head bolt 8, and lower thread 14 and the bottom hexagon-headed bolt 9 of the sleeve 7 connect Connect;The jacking bolt pair 3, the intermediate plate 2 and 4 quantity of spacing draw-in groove are identical, when the intermediate plate anchorage is removed, described The bottom hexagon-headed bolt 9 of jacking bolt pair 3 is inlaid in the spacing draw-in groove 4 correspondingly, the jacking bolt pair 3 Top flat head bolt 8 correspondingly apical grafting on the lifting platform 11 of the intermediate plate 2;When steel strand anchoring is carried out, steel is twisted The termination of line is clamped in the anchor cup 1 by 2~3 intermediate plates 2, and the main body plug of 2~3 intermediate plates 2 is mounted in institute State in the center taper hole in anchor cup 1, the distance between 11 lower surface of lifting platform of the intermediate plate 2 and described 1 upper surface of anchor cup More than the minimum constructive height of the jacking bolt pair, the minimum constructive height is that top flat head bolt 8 and bottom hexagon-headed bolt 9 are all twisted Enter the height of the jacking bolt pair 3 after sleeve 7, in order to easily put jacking bolt pair 3 when intermediate plate anchorage is dismantled Put in spacing draw-in groove 4.
In the present embodiment, the intermediate plate 2 is provided 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 adopts 3 It is individual.
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 End is passed from anchor cup 1 and three intermediate plates 2, and intermediate plate 2 is filled in anchor cup 1, gently taps the top of intermediate plate 2 using hand hammer Platform 11 is risen, makes intermediate plate 2 clamp the steel strand wires of centre.Then tensioning can be carried out to steel strand wires, due in anchor cup during tensioning The outside conical surface of heart taper hole and intermediate plate 2 interacts so that intermediate plate 2 to the chucking power of steel strand wires with steel twisted-line tension-force increase And increase, ensure that steel strand wires are not slipped from intermediate plate anchorage.Intermediate plate anchorage using finish need to remove which when, first It is zero by the stretching force unloading of steel strand wires, then by the top flat head bolt 8 and bottom hexagon-headed bolt 9 of 3 jacking bolt pairs 3 All it is screwed in 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 spacing draw-in grooves 4 of 1 upper surface of anchor cup.Then using spanner along making top flat head bolt 8 and bottom hexagon-headed bolt 9 The direction of back-out screws the sleeve 7 of three jacking bolt pairs 3 successively, makes top flat head bolt 8 and bottom hexagon-headed bolt 9 outside Screw out, as the spacing draw-in groove 4 on anchor cup 1 limits the rotation of bottom hexagon-headed bolt 9, therefore top flat head bolt 8 is by jacking The lifting platform 11 of intermediate plate 2 so that intermediate plate 2 is moved upwards, realizes the ejection of intermediate plate 2, so as to complete the dismounting of intermediate plate anchorage. In actual dismounting, if staff is enough, three sleeves 7 can be screwed simultaneously using three spanners, now dismantle speed and manage the most Think, if one man operation, spanner can be adopted to screw the sleeve 7 of three jacking bolt pairs 3 successively on a small quantity, circulate operation until Whole intermediate plate ejections.
Although being described to preferred embodiment of the present utility model above in conjunction with accompanying drawing, this utility model is not Above-mentioned specific embodiment is confined to, above-mentioned specific embodiment is only schematic, is not restricted, ability The those of ordinary skill in domain under enlightenment of the present utility model, without departing from this utility model objective and claimed Under ambit, many forms can also be made, these are belonged within protection domain of the present utility model.

Claims (2)

1. a kind of easy-to-dismount intermediate plate anchorage, it is characterised in that including the intermediate plate and anchor cup that set gradually from top to bottom;Institute State and in anchor cup, be provided with up big and down small center taper hole, 2~3 for being evenly distributed are provided with the upper surface of the anchor cup spacing Draw-in groove;The intermediate plate is provided with 2~3 for being evenly distributed, the main body lateral surface of 2~3 intermediate plates constitute one with it is described The conical surface that center taper hole in anchor cup coincide, clamps hole in 2~3 intermediate plate intermediate formation, one steel strand wires termination, every Holding tank circumferentially is provided with the inside of the individual intermediate plate, a radially evagination at the top of each described intermediate plate, is provided with Lifting platform;Jacking bolt pair, the jacking are provided between the lifting platform lower surface of the intermediate plate and anchor cup upper surface Bolt pair is provided with a sleeve, and oppositely oriented two parts screw thread up and down, the top spiral shell of the sleeve are provided with the sleeve Stricture of vagina is connected with top flat head bolt, and the lower thread of the sleeve is connected with bottom hexagon-headed bolt;The jacking bolt pair, institute State intermediate plate and the spacing pocket numbers are identical, when the intermediate plate anchorage is removed, the bottom turret head of the jacking bolt pair Bolt is inlaid in the spacing draw-in groove correspondingly, the top flat head bolt of jacking bolt pair apical grafting correspondingly On the lifting platform of the intermediate plate;When steel strand anchoring is carried out, the termination of steel strand wires is solid by 2~3 intermediate plate clampings It is scheduled in the anchor cup, the main body plug of 2~3 intermediate plates is mounted in the center taper hole in the anchor cup, the top of the intermediate plate Rise the minimum constructive height of the distance between platform lower surface and described anchor cup upper surface more than the jacking bolt pair.
2. easy-to-dismount intermediate plate anchorage according to claim 1, it is characterised in that the intermediate plate is in its lifting platform Lower section is provided with connecting groove, and 2~3 intermediate plates are linked together by the rubber ring being placed in the connecting groove.
CN201621069546.3U 2016-09-20 2016-09-20 A kind of easy-to-dismount intermediate plate anchorage Withdrawn - After Issue CN206070527U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621069546.3U CN206070527U (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
CN201621069546.3U CN206070527U (en) 2016-09-20 2016-09-20 A kind of easy-to-dismount intermediate plate anchorage

Publications (1)

Publication Number Publication Date
CN206070527U true CN206070527U (en) 2017-04-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621069546.3U Withdrawn - After Issue CN206070527U (en) 2016-09-20 2016-09-20 A kind of easy-to-dismount intermediate plate anchorage

Country Status (1)

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CN (1) CN206070527U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106284346A (en) * 2016-09-20 2017-01-04 天津大学 A kind of easy-to-dismount intermediate plate anchorage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106284346A (en) * 2016-09-20 2017-01-04 天津大学 A kind of easy-to-dismount intermediate plate anchorage

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Granted publication date: 20170405

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