CN105952175A - Reusable pre-stress carbon fiber sheet material clamping piece type clamp and method - Google Patents

Reusable pre-stress carbon fiber sheet material clamping piece type clamp and method Download PDF

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Publication number
CN105952175A
CN105952175A CN201610309149.7A CN201610309149A CN105952175A CN 105952175 A CN105952175 A CN 105952175A CN 201610309149 A CN201610309149 A CN 201610309149A CN 105952175 A CN105952175 A CN 105952175A
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CN
China
Prior art keywords
carbon fiber
plate
wedge shape
fiber sheet
chuck body
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610309149.7A
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Chinese (zh)
Inventor
张峰
高磊
李术才
姚晨
张万志
刘冠之
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Shandong University
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Shandong University
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Publication date
Application filed by Shandong University filed Critical Shandong University
Priority to CN201610309149.7A priority Critical patent/CN105952175A/en
Publication of CN105952175A publication Critical patent/CN105952175A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00Working measures on existing buildings
    • E04G23/02Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218Increasing or restoring the load-bearing capacity of building construction elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00Working measures on existing buildings
    • E04G23/02Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218Increasing or restoring the load-bearing capacity of building construction elements
    • E04G2023/0251Increasing or restoring the load-bearing capacity of building construction elements by using fiber reinforced plastic elements
    • E04G2023/0262Devices specifically adapted for anchoring the fiber reinforced plastic elements, e.g. to avoid peeling off

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Connection Of Plates (AREA)

Abstract

The invention discloses a reusable pre-stress carbon fiber sheet material clamping piece type clamp and method; the clamp comprises a clamp body, a wedge form clamping piece, and bolts; the clamp body comprises an upper clamp plate and a lower clamp plate symmetrically arranged up and down; the bonding surface between the upper and lower clamp plates is provided with a rectangular clamping piece groove used for clamping a composite board; two sides of the upper and lower clamp plates are respectively provided with a plurality of anchoring preformed holes matched with the bolts; the wedge form clamping piece comprises an upper sheet and a lower sheet, and is arranged in the rectangular clamping piece groove, thus tightening the carbon fiber sheet material, and applying the anchoring effect.

Description

The pre-stressed carbon fiber board clamp chip fixture of repeatable utilization and method
Technical field
The present invention relates to pre-stressed carbon fiber plate construction field of reinforcement, especially design the pre-stressed carbon fiber of a kind of repeatable utilization Board clamp chip fixture and method.
Background technology
Xoncrete structure can produce a certain degree of disease under dead load, mobile load and adverse circumstances effect, and the most effective maintenance adds Gu technology is it can be avoided that the generation of serious engineering accident.
It is a kind of to structure carries out after carbon fiber sheet Shi Hanzhang the technology that active is reinforced that pre-stressed carbon fiber sheet material is reinforced, Wherein the anchoring of pre-stressed carbon fiber sheet material is the emphasis of this reinforcement technique, and clip type fixture can be right during prestress application Effectively anchoring is implemented in carbon fiber sheet end, is a kind of Anchorage Plan with broad prospect of application.
The body of clip type fixture and intermediate plate use high-quality high-strength steel, its cost of material and polish cost relatively carbon fiber sheet high. The anchoring of clip type fixture uses and once anchors molding, not reproducible utilization, if occurring that carbon fiber sheet anchors in practice of construction operation Bad or produce because of carbon fiber sheet self-defect and the situation bad with concrete interface adhesive property, it is impossible to carbon fiber sheet Remove and change or again anchor, cause the significant wastage of fixture.
Summary of the invention
The purpose of the present invention is contemplated to solve the problems referred to above, it is proposed that the pre-stressed carbon fiber sheet material intermediate plate of a kind of repeatable utilization Formula fixture.
To achieve these goals, the present invention adopts the following technical scheme that
The pre-stressed carbon fiber board clamp chip fixture of a kind of repeatable utilization, including chuck body, wedge shape intermediate plate, bolt;Institute Stating chuck body is upper and lower symmetrically arranged upper jig plate and lower press plate, opens in the middle of the faying face of upper jig plate and lower press plate There is the clip rectangle film trap for clamping composite plate;The both sides of described upper jig plate and lower press plate all have multiple anchoring preformed hole, Anchoring preformed hole is for coordinating with bolt;Described wedge shape intermediate plate also includes upper and lower two panels, and it is arranged in clip rectangle film trap, knot Conjunction steps up carbon fiber sheet and applies anchorage effect.
Further, described wedge shape intermediate plate is from the side of chuck body to opposite side, and its inclination angle with chuck body contact interface is more Come the least.
Further, described wedge shape intermediate plate and carbon fiber sheet contact surface scribble resin-bonded glue.
Further, lower press plate is reserved with the guarantee big turret head of bolt and is not exposed at outside chuck body in bottom surface, makes fixture be close to The anchor slot on reinforced structure surface.
Pre-stressed carbon fiber board clamp chip fixture described in utilization carries out the method anchored, and comprises the steps:
1) upper jig plate and lower press plate being combined, both sides preformed hole is each passed through bolt, and shank of bolt exposes superstructure table Face, screws in hex nut after adding packing ring, applies peak torque with torque wrench, ensure that each bolt torque is identical simultaneously;
2) wedge shape intermediate plate and the carbon fiber sheet resin-bonded glue of contacting section uniform application;
3) two wedge shape intermediate plate clamping carbon fiber sheets, are introduced into chuck body clip rectangle after tree adhesive glue solidification by wedge-shaped tip Film trap, is stuck in till notch can not enter until wedge shape afterbody;
4) use tensioning system to carbon fiber sheet Shi Hanzhang.
Pre-stressed carbon fiber board clamp chip fixture described in utilization carries out anchoring and releases, reclaims fixture, comprises the steps:
1) use tensioning system that carbon fiber sheet is released prestressing force;
2) use torque wrench to screw out the hex nut of chuck body both sides, release bolt anchoring;
3) upper jig plate is separated with lower press plate faying face, remove wedge shape intermediate plate, reclaim chuck body.
The invention has the beneficial effects as follows:
Present invention achieves the carbon fiber sheet anchored is removed and change or again anchor, it is achieved that to clip type fixture Recycling, greatly save the cost changing fixture, there is wide promotion prospect.
Accompanying drawing explanation
Fig. 1 is the pre-stressed carbon fiber board clamp chip fixture front view of this repeatable utilization;
Fig. 2 is the pre-stressed carbon fiber board clamp chip fixture top view of this repeatable utilization;
Fig. 3 is the pre-stressed carbon fiber board clamp vertical cut-away illustration of chip fixture of this repeatable utilization;
In figure, 1 is chuck body, and 2 is faying face, and 3 is wedge shape intermediate plate, and 4 is carbon fiber sheet, and 5 is high-strength bolt screw rod, 6 is high-strength bolt hex nut, and 7 is the big turret head of high-strength bolt, and 8 is reserved anchor slot.
Detailed description of the invention
The present invention will be further described with embodiment below in conjunction with the accompanying drawings:
As shown in Figure 1, 2, 3, the pre-stressed carbon fiber board clamp chip fixture of a kind of repeatable utilization of the present invention, specifically include that Chuck body 1, wedge shape intermediate plate 3, high-strength bolt screw rod 5, high-strength bolt hex nut 6, the big turret head of high-strength bolt 7.
Chuck body 1 is upper and lower two-part structure, is specially upper jig plate and lower press plate, upper jig plate and lower press plate structure Just the same, setting symmetrical above and below;Top and the bottom structure contacts well at faying face 2, has square in the middle of up-down structure faying face 2 Clevis film trap;
Chuck body 1 both sides all have 4 anchoring preformed holes, both sides chuck body to be avoided here and pre-stressed carbon fiber plate The part of material contact, perforate may pass through high-strength bolt 5, and substructure reserves anchor slot 8 in bottom surface, it is ensured that high-strength bolt big six It is outside that angle head 7 is not exposed at chuck body 1, makes fixture be close to reinforced structure surface;High-strength bolt just through chuck body 1, It is not passed through pre-stressed carbon fiber sheet material and wedge shape intermediate plate 3.
Wedge shape intermediate plate 3 is high-strength wedge-shaped member, altogether upper and lower two panels, and two panels combination steps up carbon fiber sheet 4 and applies anchorage effect, Wedge shape intermediate plate 3 and carbon fiber sheet 4 contact surface do coarse process to increase interface friction.
Wedge shape intermediate plate 3 arranges different inclination angles from chuck body 1 contact interface, is designed by possible angle difference, makes to be applied to carbon Stress distribution on fibrous plate 4 is more uniform;
Wedge shape intermediate plate 3 and carbon fiber sheet 4 contact surface scribble resin-bonded glue, in order to filling interface space and increase contact surface Adhesive property.
The width of wedge shape intermediate plate 3 is as the width of carbon fiber sheet 4, or the width more than carbon fiber sheet 4.
Utilize said apparatus to carry out the method anchored, comprise the steps:
1) top and the bottom chuck body 1 being combined, 8, both sides preformed hole is each passed through high-strength bolt, and high-strength bolt bar 5 reveals Go out super structure surface, screw in hex nut 6 after adding packing ring, apply peak torque with torque spanner dedicated, ensure each spiral shell simultaneously Bolt moment of torsion is identical;
2) wedge shape intermediate plate 3 and the carbon fiber sheet 4 resin-bonded glue of contacting section uniform application;
3) two wedge shape intermediate plates 3 clamp carbon fiber sheet 4, and adhesive glue to be set solidification relief wedge-shaped tip is introduced into chuck body square Clevis film trap, is stuck in till notch can not enter until wedge shape afterbody;
4) use tensioning system to carbon fiber sheet 4 Shi Hanzhang.
Utilize said apparatus to carry out the method that anchoring releases, reclaims fixture, comprise the steps:
1) use tensioning system that carbon fiber sheet 4 is released prestressing force;
2) use torque wrench to screw out 8, chuck body 1 both sides hex nut 6, release bolt anchoring;
3) chuck body top and the bottom faying face 2 is separated, remove wedge shape intermediate plate 3, reclaim chuck body 1.
Present invention achieves the carbon fiber sheet anchored is removed and change or again anchor, it is achieved that to clip type fixture Recycling, greatly save the cost changing fixture, there is wide promotion prospect.
Although the detailed description of the invention of the present invention is described by the above-mentioned accompanying drawing that combines, but not limit to scope System, one of ordinary skill in the art should be understood that on the basis of technical scheme, and those skilled in the art need not pay Go out various amendments or deformation that creative work can make still within protection scope of the present invention.

Claims (7)

1. the pre-stressed carbon fiber board clamp chip fixture of a repeatable utilization, it is characterised in that include chuck body, wedge shape Intermediate plate, bolt;
Described chuck body is upper and lower symmetrically arranged upper jig plate and lower press plate, upper jig plate and the faying face of lower press plate Centre has the clip rectangle film trap for clamping composite plate;It is pre-that the both sides of described upper jig plate and lower press plate all have multiple anchoring Boxing out, anchoring preformed hole is for coordinating with bolt;
Described wedge shape intermediate plate also includes upper and lower two panels, and it is arranged in clip rectangle film trap, applies anchor in conjunction with stepping up carbon fiber sheet Gu effect.
The pre-stressed carbon fiber board clamp chip fixture of repeatable utilization the most as claimed in claim 1, it is characterised in that described Wedge shape intermediate plate is from the side of chuck body to opposite side, and it is more and more less with the inclination angle of chuck body contact interface.
The pre-stressed carbon fiber board clamp chip fixture of repeatable utilization the most as claimed in claim 1, it is characterised in that described Wedge shape intermediate plate and carbon fiber sheet contact surface scribble resin-bonded glue.
The pre-stressed carbon fiber board clamp chip fixture of repeatable utilization the most as claimed in claim 3, it is characterised in that wedge shape Intermediate plate and carbon fiber sheet contact surface do coarse process.
The pre-stressed carbon fiber board clamp chip fixture of repeatable utilization the most as claimed in claim 1, it is characterised in that lower folder Tool plate is reserved with the guarantee big turret head of bolt and is not exposed at outside chuck body in bottom surface, makes fixture be close to the anchor on reinforced structure surface Gu groove.
6. utilizing the arbitrary described pre-stressed carbon fiber board clamp chip fixture of claim 1-5 to carry out the method anchored, its feature exists In, comprise the steps:
1) upper jig plate and lower press plate being combined, both sides preformed hole is each passed through bolt, and shank of bolt exposes superstructure table Face, screws in hex nut after adding packing ring, applies peak torque with torque wrench, ensure that each bolt torque is identical simultaneously;
2) wedge shape intermediate plate and the carbon fiber sheet resin-bonded glue of contacting section uniform application;
3) two wedge shape intermediate plate clamping carbon fiber sheets, are introduced into chuck body clip rectangle after tree adhesive glue solidification by wedge-shaped tip Film trap, is stuck in till notch can not enter until wedge shape afterbody;
4) use tensioning system to carbon fiber sheet Shi Hanzhang.
7. utilize the arbitrary described pre-stressed carbon fiber board clamp chip fixture of claim 1-5 to carry out anchoring to release, reclaim fixture, It is characterized in that, comprise the steps:
1) use tensioning system that carbon fiber sheet is released prestressing force;
2) use torque wrench to screw out the hex nut of chuck body both sides, release bolt anchoring;
3) upper jig plate is separated with lower press plate faying face, remove wedge shape intermediate plate, reclaim chuck body.
CN201610309149.7A 2016-05-11 2016-05-11 Reusable pre-stress carbon fiber sheet material clamping piece type clamp and method Pending CN105952175A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610309149.7A CN105952175A (en) 2016-05-11 2016-05-11 Reusable pre-stress carbon fiber sheet material clamping piece type clamp and method

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Application Number Priority Date Filing Date Title
CN201610309149.7A CN105952175A (en) 2016-05-11 2016-05-11 Reusable pre-stress carbon fiber sheet material clamping piece type clamp and method

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CN105952175A true CN105952175A (en) 2016-09-21

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106592999A (en) * 2016-12-08 2017-04-26 海宁安捷复合材料有限责任公司 Reinforcement system for pre-stressed carbon fiber plate
CN107012800A (en) * 2017-03-23 2017-08-04 河海大学 The tensioning equipment of adjustable carbon cloth tensioning angle
CN110424278A (en) * 2019-07-22 2019-11-08 山东大学 A kind of construction method of the pre-stressed carbon fiber plate reinforcement of distributed anchoring
CN110653510A (en) * 2019-08-21 2020-01-07 湖南欧亚碳纤维复合材料有限公司 Manufacturing method of three-dimensional positioning tool
CN112665984A (en) * 2021-01-08 2021-04-16 安徽理工大学 Wedge-shaped clamp for testing uniaxial tensile property of rock
CN113202324A (en) * 2021-03-31 2021-08-03 河海大学 Single-wedge-shaped clamping piece type prestress FRP plate anchorage device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10169198A (en) * 1996-12-16 1998-06-23 Kumagai Gumi Co Ltd Fixture for wire material
CN2811465Y (en) * 2005-08-02 2006-08-30 同济大学 Prestressed carbon fiber plastic plate anchoring system
KR20080111664A (en) * 2007-06-19 2008-12-24 곽주호 System for structural strengthening using frp(fiber reinforced polymer) with prestressing tap
CN202164745U (en) * 2011-06-16 2012-03-14 上海维固工程实业有限公司 Carbon fiber plate anchorage device using corrugated clamp plate and soft backing plate
CN203904854U (en) * 2014-06-13 2014-10-29 成都市磐固科技有限公司 Prestress carbon plate anchor
CN204298751U (en) * 2014-12-15 2015-04-29 衡水宝力工程橡胶有限公司 The prestressing force quick tensioning fixture of carbon fiber board

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10169198A (en) * 1996-12-16 1998-06-23 Kumagai Gumi Co Ltd Fixture for wire material
CN2811465Y (en) * 2005-08-02 2006-08-30 同济大学 Prestressed carbon fiber plastic plate anchoring system
KR20080111664A (en) * 2007-06-19 2008-12-24 곽주호 System for structural strengthening using frp(fiber reinforced polymer) with prestressing tap
CN202164745U (en) * 2011-06-16 2012-03-14 上海维固工程实业有限公司 Carbon fiber plate anchorage device using corrugated clamp plate and soft backing plate
CN203904854U (en) * 2014-06-13 2014-10-29 成都市磐固科技有限公司 Prestress carbon plate anchor
CN204298751U (en) * 2014-12-15 2015-04-29 衡水宝力工程橡胶有限公司 The prestressing force quick tensioning fixture of carbon fiber board

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106592999A (en) * 2016-12-08 2017-04-26 海宁安捷复合材料有限责任公司 Reinforcement system for pre-stressed carbon fiber plate
CN107012800A (en) * 2017-03-23 2017-08-04 河海大学 The tensioning equipment of adjustable carbon cloth tensioning angle
CN107012800B (en) * 2017-03-23 2018-08-21 河海大学 The tensioning equipment of adjustable carbon cloth tensioning angle
CN110424278A (en) * 2019-07-22 2019-11-08 山东大学 A kind of construction method of the pre-stressed carbon fiber plate reinforcement of distributed anchoring
CN110424278B (en) * 2019-07-22 2021-07-06 山东大学 Construction method of distributed anchored prestressed carbon fiber plate reinforcing beam
CN110653510A (en) * 2019-08-21 2020-01-07 湖南欧亚碳纤维复合材料有限公司 Manufacturing method of three-dimensional positioning tool
CN110653510B (en) * 2019-08-21 2022-01-28 湖南欧亚碳纤维复合材料有限公司 Three-dimensional positioning tool and manufacturing method thereof
CN112665984A (en) * 2021-01-08 2021-04-16 安徽理工大学 Wedge-shaped clamp for testing uniaxial tensile property of rock
CN113202324A (en) * 2021-03-31 2021-08-03 河海大学 Single-wedge-shaped clamping piece type prestress FRP plate anchorage device

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Application publication date: 20160921

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