CN201502182U - Fiber plate stretch-draw and fixing device for reinforcing steel structure - Google Patents
Fiber plate stretch-draw and fixing device for reinforcing steel structure Download PDFInfo
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- CN201502182U CN201502182U CN2009203023404U CN200920302340U CN201502182U CN 201502182 U CN201502182 U CN 201502182U CN 2009203023404 U CN2009203023404 U CN 2009203023404U CN 200920302340 U CN200920302340 U CN 200920302340U CN 201502182 U CN201502182 U CN 201502182U
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Abstract
A fiber plate stretch-draw and fixing device for reinforcing the steel structure comprises a fixed bracket, a stretch-draw bracket, a fixed end anchorage device and a stretch-draw end anchorage device and is characterized in that the fixed bracket and the stretch-draw bracket are formed by adopting steel structural welding; by a deflecting plate of the fixed bracket, the fixed end anchorage device fixes a carbon fiber plate; and the stretch-draw bracket, the stretch-draw end anchorage device and a stretch-draw moving component formed by a jack, a screw, a pushing crossbeam and the like stretch and draw the carbon fiber plate. The fiber plate stretch-draw and fixing device has the advantages that the device stretches and draws the fiber plate so as to produce prestressing force in the premise that the device guarantees the surface of the reinforced steel structure not to be dig and damaged, keeps certain prestressing force by the fixing device for long time and effectively realizes the enhancement action of the carbon fiber plate layer on the bending strength and stiffness of reinforced members.
Description
Technical field
The utility model relates to the Construction of Civil Engineering equipment technical field, especially a kind of fibrous plate stretch-draw and fastening devices that is used to reinforce steel work.
Background technology
At present, the research focus that more effective, more reasonable, more economical reinforcement means and reinforcement material become current field of civil engineering is constantly explored in the transformation because a variety of causes needs reinforcement that there are many steel constructions in China.Because the fiber enhanced plastic plate material has advantages such as extremely strong decay resistance and durability, construction be convenient, therefore the fiber enhanced plastic plate material being used for structural strengthening is emerging in recent years a kind of reinforcement means.The application of fiber enhanced plastic plate material is to adopt " common mounting method " in existing reinforcing steel work technology, and this method has the following disadvantages:
When (1) utilizing the fiber enhanced plastic plate material to reinforce the steel work flexural member, its high-intensity characteristics are only just given full play to after the girder steel surrender, and before the girder steel surrender, fiber enhanced plastic plate material role is limited.Therefore, it is reinforced the yield load of member to raising effect is not fairly obvious, and is limited in the raising of normal operational phase performance to flexural member yet;
(2) often not only desired strength reinforcing of steel structure member also need rigidity to reinforce, and the character of fiber enhanced plastic plate material has determined common barbola work can not obviously improve the rigidity of steel member.
Above-mentioned defective has limited the further application of fibre reinforced plastics in the steel work field of reinforcement to a certain extent, if the fiber enhanced plastic plate material is applied certain prestressing force in advance, pastes the steel work surface again, can overcome above technological deficiency.
But the fiber enhanced plastic plate material that adopts existing tensioning equipment that steel work is reinforced applies prestressing force, has following technological difficulties again: (1) tensioning equipment is connected with bolt in the concrete perforate with general employing of concrete connected mode; (2) because the ground tackle of pre-stress fibre reinforced plastic sheet material has certain thickness, generally slot to lay ground tackle, could guarantee that the fiber enhanced plastic plate material can stick on body structure surface at concrete cover.And the material characteristics of steel work has determined and can not therefore also be not used at present the prestressed tensioning device for fiber board that steel work is reinforced in its surface too much perforate or cutting.
Summary of the invention
The purpose of this utility model just provides a kind of fibrous plate stretch-draw and fastening devices that is used to reinforce the steel work flexural member, it is guaranteeing that being reinforced the steel work surface is not dug under the prerequisite of destroying, can carry out stretch-draw to produce prestressing force to fibrous plate, and keep certain prestressing force by fastening devices is long-term, realize that effectively the fibrous plate layer is to the flexural strength that is reinforced member and the humidification of rigidity.
Solution of the present utility model is such: include fixed support, stretch-draw support, fixed end ground tackle and stretch-draw end ground tackle, a described support bracket fastened end has the extension that protracts, fit with the upper surface of the deflecting plate of bending in the lower end of this extension, on described fixed support, be provided with the draw-in groove that blocks described deflecting plate, be provided with limited block on described fixed support, described fixed end ground tackle is arranged on the rear of described limited block; One end of described stretch-draw support has the extension that protracts, fit with the upper surface of the deflecting plate of bending in the lower end of this extension, on described stretch-draw support, be provided with the draw-in groove that blocks deflecting plate, on described stretch-draw support, be provided with displaced block, described stretch-draw end ground tackle is arranged on the rear of described displaced block, rear at described stretch-draw support is equipped with jack, be provided with the pushing tow crossbeam at the rear of this jack, on this pushing tow crossbeam, be coated with screw rod, the back side panel that this screw rod passes described stretch-draw support is connected with described displaced block, and the outside that is positioned at described stretch-draw support back side panel on described screw rod is provided with nut.
In such scheme, an end of described deflecting plate and deflecting plate can be one section horizontal shape, is thereafter the curved shape; Described support bracket fastened extension is to fit with the horizontal shape position of described deflecting plate, and its extension, draw-in groove and described deflecting plate form the applying shape that is bent upwards; The extension of described stretch-draw support is to fit with the horizontal shape position of deflecting plate, and its extension, draw-in groove and deflecting plate form the applying shape that is bent upwards; The curved forniciform end of described deflecting plate can be to be the convex structure, and the shoulder of convex is plugged in the described draw-in groove as screens; The curved forniciform end of described deflecting plate can be to be the convex structure, and the shoulder of convex is plugged in the described draw-in groove as screens; A segment distance horizontal on the described deflecting plate can be 〉=40mm.
The utility model has the advantages that:
1, owing to the utlity model has a fixed support and a stretch-draw support, both adopt the steel work welding to form, fibrous plate is placed on carries out stretch-draw on the support, be reinforced the steel work flexural member and produce antiarch formation pre-stressed state, make the certain prestressing force of the long-term maintenance of fibrous plate by fastening devices.The effect of girder steel outer load produces flexural deformation trend down, and the fibrous plate that is under the pre-stressed state is brought into play its high-strength tension effect, improves the strength and stiffness of member, thereby reaches the purpose of effective reinforcement bending resistance.2, because an end of the utility model deflecting plate is one section horizontal shape, it is the curved shape thereafter, and the extension of fixed support and stretch-draw support is along its curvilinear motion and its applying, identical curve design, guarantee not dug under the prerequisite of destroying on the steel work surface, fibrous plate can stick on the surface of steel work.Construction equipment is simple in structure, and is convenient to operation, is applicable to that the prestressed stretch-draw of the fibrous plate of reinforcing the steel work flexural member reaches fixing.
Description of drawings
Accompanying drawing is embodiment of the present utility model.
Accompanying drawing 1 is the structural representation of deflecting plate of the present utility model.
Accompanying drawing 2 is vertical views of accompanying drawing 1.
Accompanying drawing 3 is structural representations of the utility model fixed end support.
Accompanying drawing 4 is vertical views of accompanying drawing 3.
Accompanying drawing 5 is structural representations of the utility model stretch-draw end.
Accompanying drawing 6 is vertical views of accompanying drawing 5.
Accompanying drawing 7 is structural representations of the utility model embodiment.
The specific embodiment
Present embodiment includes fixed support 1, base plate 1-1, side plate 1-2, draw-in groove 1-3, fixed end ground tackle 2, deflecting plate 3, screens 3-1, limited block 4, nut 5, displaced block 6, nut 7, screw rod 8, jack 9, nut 10, bolt 11, pushing tow crossbeam 12, carbon fiber sheet 13, stretch-draw support 14, base plate 14-1, side plate 14-2, deflecting plate 15, screens 15-1, bolt 16, stretch-draw end ground tackle 17.
One end of described fixed support 1 has the extension that protracts, fit with the upper surface of the deflecting plate 3 of bending in the lower end of this extension, on described fixed support 1, be provided with the draw-in groove 1-3 that blocks described deflecting plate 3, be provided with limited block 4 on described fixed support 1, described fixed end ground tackle 2 is arranged on the rear of described limited block 4; One end of described stretch-draw support 14 has the extension that protracts, fit with the upper surface of the deflecting plate 15 of bending in the lower end of this extension, on described stretch-draw support 14, be provided with the draw-in groove 14-3 that blocks deflecting plate 15, on described stretch-draw support 14, be provided with displaced block 6, described stretch-draw end ground tackle 17 is arranged on the rear of described displaced block 6, at the rear of described stretch-draw support 14 jack 9 is installed, be provided with pushing tow crossbeam 12 at the rear of this jack 9, on this pushing tow crossbeam, be coated with screw rod 8, the back side panel that this screw rod 8 passes described stretch-draw support 14 is connected with described displaced block 6, and the outside that is positioned at described stretch-draw support 14 back side panels on described screw rod 8 is provided with nut 7.
One end of described deflecting plate 3 and deflecting plate 15 is one section horizontal shape, is thereafter the curved shape; The extension of described fixed support 1 is to fit with the horizontal shape position of described deflecting plate 3, and its extension, draw-in groove 1-3 and described deflecting plate 3 form the applying shape that is bent upwards; The extension of described stretch-draw support 14 is to fit with the horizontal shape position of deflecting plate 15, and its extension, draw-in groove 14-3 and deflecting plate 15 form the applying shape that is bent upwards.
Described deflecting plate 3 curved forniciform ends are the convex structure, and the shoulder of convex is plugged in the described draw-in groove 1-3 as screens 3-1; Described deflecting plate 15 curved forniciform ends are the convex structure, and the shoulder of convex is plugged in the described draw-in groove 14-3 as screens 15-1.
Horizontal one section is 〉=40mm on described deflecting plate 3 and the deflecting plate 15.
Described fixed support 1 has base plate 1-1, on this base plate 1-1, be erected to be connected with two side plate 1-2, described draw-in groove 1-3 is provided in a side of on the described side plate 1-2, the projection that described deflecting plate 3 is convex shape end stretches between described two side plate 1-2, and screens 3-1 is plugged in the described draw-in groove 1-3; Described stretch-draw support 14 has base plate 14-1, on this base plate 14-1, be erected to be connected with two side plate 14-2, described draw-in groove 14-3 is provided in a side of on the described side plate 14-2, the projection that described deflecting plate 15 is convex shape end stretches between described two side plate 14-2, and screens 15-1 is plugged in the described draw-in groove 14-3.
The rear side that is positioned at described draw-in groove 1-3 is respectively equipped with screw on the relevant position of described side plate 1-2 and described deflecting plate 3, bolt 11 is installed on screw both are fixed.
The rear side that is positioned at described draw-in groove 14-3 is respectively equipped with screw on the relevant position of described side plate 14-2 and described deflecting plate 15, bolt 16 is installed on screw both are fixed.
The curved position of described deflecting plate 3 and deflecting plate 15 is to be the arc transition shape.
In Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, structure shown in Figure 7, the utility model has a fixed support 1 and a stretch-draw support 14.Wherein fixed support 1 has a base plate 1-1, that erects on base plate 1-1 is welded with two side plate 1-2, on these two side plate 1-2, be respectively equipped with two draw-in groove 1-3, between two side plate 1-2, be provided with a deflecting plate 3, one end of this piece deflecting plate 3 is a segment length horizontal greater than 40mm, thereafter curved transition is bent upwards shape, the other end is convex, the projection of convex stretches between two side plate 1-2, and the shoulder of convex inserts in the draw-in groove 1-3 as screens 3-1 deflecting plate 3 and side plate 1-2 are connected.The curvilinear motion of the lower end edge deflecting plate 3 of the extension of two side plate 1-2 and the upper surface of deflecting plate 3 are fitted.The rear side that is positioned at draw-in groove has screw on the relevant position of deflecting plate 3 and two side plate 1-2, erection bolt 11 is fixedly connected deflecting plate 3 and two blocks of side plates in screw.Two limited blocks 4 are installed between two side plate 1-2, and fixed end ground tackle 2 is arranged on the rear of described limited block 4.The stretch-draw support has a base plate 14-1, that erects on base plate 14-1 is welded with two side plate 14-2, on these two side plate 14-2, be respectively equipped with two draw-in groove 14-3, between two side plate 14-2, be provided with a deflecting plate 15, one end of this piece deflecting plate 15 is a segment length horizontal greater than 40mm, thereafter curved transition is bent upwards shape, the other end is convex, the projection of convex stretches between two side plate 14-2, and the shoulder of convex inserts in the draw-in groove 14-3 as screens 14-1 deflecting plate 15 and side plate 14-2 are connected.The curvilinear motion of the lower end edge deflecting plate 15 of the extension of two side plate 14-2 and the upper surface of deflecting plate 15 are fitted.The rear side that is positioned at draw-in groove 14-3 has screw on the relevant position of deflecting plate 15 and two side plate 14-2, erection bolt 16 is fixedly connected deflecting plate 15 and two side plate 14-2 in screw.On stretch-draw support 14, be provided with displaced block 6, stretch-draw end ground tackle 17 is arranged on the rear of described displaced block 6, a jack 9 is installed at the rear of stretch-draw support 14, be provided with pushing tow crossbeam 12 at the rear of this jack 9, on this pushing tow crossbeam 12, be coated with screw rod 8, the back side panel that this screw rod 8 passes stretch-draw support 14 is connected with displaced block 6, and the outside that is positioned at described stretch-draw support 14 back side panels on described screw rod 8 is provided with nut 7.
The utility model in use, fixed support 1 and stretch-draw support 14 are welded on the surface that is reinforced girder steel respectively, and screw rod 8 is penetrated stretch-draw support 14, and nut 7 is penetrated screw rod 8.Carbon fiber sheet 13 is ready to by blanking length, and displaced block 6 is penetrated the stretch-draw end of fibrous plate, and carbon fiber sheet 13 two ends install ground tackle 2 and stretch-draw end ground tackle 17, and coat special-purpose epoxy glue at carbon fiber sheet 13 stickup faces.Fixed end ground tackle 2 is placed on the back of limited block 4, then deflecting plate 3 is inserted in the draw-in groove of fixed supports 1, deflecting plate 3 is fixed with bolt 11; Displaced block 6 penetrates screw rod 8, fixes the position of displaced block 6 with nut 5, then deflecting plate 15 is inserted in the draw-in groove of stretch-draw supports 14, with bolt 16 deflecting plate 15 is fixed, and the assurance carbon fiber sheet can be pasted on the surface that is reinforced girder steel.Pushing tow crossbeam 12 is penetrated screw rod 8, with the fixing position of pushing tow crossbeam 12 of nut 10, drive external force by jack 9 inputs, screw rod 8 drive displaced block 6 and stretch-draw end ground tackle are moved horizontally, and carbon fiber sheet 13 beginnings are by stretch-draw, when reaching control stress for prestressing, stop to drive external force, nut 7 is tightened, thus fixing displaced block 6, and the carbon fiber sheet tensile state remains unchanged when guaranteeing jack 9 oil returns.Remove jack, pull down nut 10 and pushing tow crossbeam 12, the length of screw rod 8 is cut out to appropriate length.
Claims (8)
1. a fibrous plate stretch-draw and fastening devices that is used to reinforce steel work, include fixed support (1), stretch-draw support (14), fixed end ground tackle (2) and stretch-draw end ground tackle (17), it is characterized in that: an end of described fixed support (1) has the extension that protracts, fit with the upper surface of the deflecting plate (3) of bending in the lower end of this extension, on described fixed support (1), be provided with the draw-in groove (1-3) that blocks described deflecting plate (3), be provided with limited block (4) on described fixed support (1), described fixed end ground tackle (2) is arranged on the rear of described limited block (4); One end of described stretch-draw support (14) has the extension that protracts, fit with the upper surface of the deflecting plate (15) of bending in the lower end of this extension, on described stretch-draw support (14), be provided with the draw-in groove (14-3) that blocks deflecting plate (15), on described stretch-draw support (14), be provided with displaced block (6), described stretch-draw end ground tackle (17) is arranged on the rear of described displaced block (6), at the rear of described stretch-draw support (14) jack (9) is installed, be provided with pushing tow crossbeam (12) at the rear of this jack (9), on this pushing tow crossbeam, be coated with screw rod (8), the back side panel that this screw rod (8) passes described stretch-draw support (14) is connected with described displaced block (6), and the outside that is positioned at described stretch-draw support (14) back side panel on described screw rod (8) is provided with nut (7).
2. fibrous plate stretch-draw and the fastening devices that is used to reinforce steel work according to claim 1 is characterized in that: an end of described deflecting plate (3) and deflecting plate (15) is one section horizontal shape, is thereafter the curved shape; The extension of described fixed support (1) is to fit with the horizontal shape position of described deflecting plate (3), and its extension, draw-in groove (1-3) form the applying shape that is bent upwards with described deflecting plate (3); The extension of described stretch-draw support (14) is to fit with the horizontal shape position of deflecting plate (15), and its extension, draw-in groove (14-3) form the applying shape that is bent upwards with deflecting plate (15).
3. fibrous plate stretch-draw and the fastening devices that is used to reinforce steel work according to claim 2, it is characterized in that: the curved forniciform end of described deflecting plate (3) is the convex structure, and the shoulder of convex is plugged in the described draw-in groove (1-3) as screens (3-1); The curved forniciform end of described deflecting plate (15) is the convex structure, and the shoulder of convex is plugged in the described draw-in groove (14-3) as screens (15-1).
4. fibrous plate stretch-draw and the fastening devices that is used to reinforce steel work according to claim 2 is characterized in that: described deflecting plate (3) and deflecting plate (15) are gone up a horizontal segment distance and are 〉=40mm.
5. according to claim 1 or 2 or 3 described fibrous plate stretch-draw and the fastening devicess that are used to reinforce steel work, it is characterized in that: described fixed support (1) has base plate (1-1), on this base plate (1-1), be erected to be connected with two blocks of side plates (1-2), described draw-in groove (1-3) is provided in a side of on the described side plate (1-2), the projection that described deflecting plate (3) is convex shape end stretches between described two blocks of side plates (1-2), and screens (3-1) is plugged in the described draw-in groove (1-3); Described stretch-draw support (14) has base plate (14-1), on this base plate (14-1), be erected to be connected with two blocks of side plates (14-2), described draw-in groove (14-3) is provided in a side of on the described side plate (14-2), the projection that described deflecting plate (15) is convex shape end stretches between described two blocks of side plates (14-2), and screens (15-1) is plugged in the described draw-in groove (14-3).
6. fibrous plate stretch-draw and the fastening devices that is used to reinforce steel work according to claim 5, it is characterized in that: the rear side that is positioned at described draw-in groove (1-3) is respectively equipped with screw on the relevant position of described side plate (1-2) and described deflecting plate (3), bolt (11) is installed on screw both are fixed.
7. fibrous plate stretch-draw and the fastening devices that is used to reinforce steel work according to claim 5, it is characterized in that: the rear side that is positioned at described draw-in groove (14-3) is respectively equipped with screw on the relevant position of described side plate (14-2) and described deflecting plate (15), bolt (16) is installed on screw both are fixed.
8. fibrous plate stretch-draw and the fastening devices that is used to reinforce steel work according to claim 2 is characterized in that: the curved position of described deflecting plate (3) and deflecting plate (15) is to be the arc transition shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203023404U CN201502182U (en) | 2009-04-20 | 2009-04-20 | Fiber plate stretch-draw and fixing device for reinforcing steel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203023404U CN201502182U (en) | 2009-04-20 | 2009-04-20 | Fiber plate stretch-draw and fixing device for reinforcing steel structure |
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| Publication Number | Publication Date |
|---|---|
| CN201502182U true CN201502182U (en) | 2010-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203023404U Expired - Fee Related CN201502182U (en) | 2009-04-20 | 2009-04-20 | Fiber plate stretch-draw and fixing device for reinforcing steel structure |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541558A (en) * | 2013-10-30 | 2014-01-29 | 扬州大学 | Method and device for hooping and reinforcing ancient brick tower by prestressed carbon fiber plate |
| CN103741954A (en) * | 2013-12-21 | 2014-04-23 | 广西科技大学 | Carbon fiber plate stretching drawing support |
| CN104763106A (en) * | 2015-04-02 | 2015-07-08 | 招商局重庆交通科研设计院有限公司 | Anchorage device tensioning system for carbon fiber plates |
| CN105369746A (en) * | 2015-12-02 | 2016-03-02 | 洛阳双瑞特种装备有限公司 | Pre-stress carbon fiber reinforcing tensioning bending device |
| CN107299725A (en) * | 2017-07-28 | 2017-10-27 | 东南大学 | A kind of prefabricated PC carbon fiber board tensioning rollering fastening system and its anchoring process |
| CN108824829A (en) * | 2018-05-28 | 2018-11-16 | 广东工业大学 | A kind of method of pre-stressed carbon fiber plate tensioning equipment and reinforcing steel beam |
| CN110863666A (en) * | 2019-09-27 | 2020-03-06 | 广东明晟建设工程有限公司 | Prestress clamping anchorage device for carbon fiber plate |
-
2009
- 2009-04-20 CN CN2009203023404U patent/CN201502182U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541558A (en) * | 2013-10-30 | 2014-01-29 | 扬州大学 | Method and device for hooping and reinforcing ancient brick tower by prestressed carbon fiber plate |
| CN103741954A (en) * | 2013-12-21 | 2014-04-23 | 广西科技大学 | Carbon fiber plate stretching drawing support |
| CN104763106A (en) * | 2015-04-02 | 2015-07-08 | 招商局重庆交通科研设计院有限公司 | Anchorage device tensioning system for carbon fiber plates |
| CN105369746A (en) * | 2015-12-02 | 2016-03-02 | 洛阳双瑞特种装备有限公司 | Pre-stress carbon fiber reinforcing tensioning bending device |
| CN107299725A (en) * | 2017-07-28 | 2017-10-27 | 东南大学 | A kind of prefabricated PC carbon fiber board tensioning rollering fastening system and its anchoring process |
| CN108824829A (en) * | 2018-05-28 | 2018-11-16 | 广东工业大学 | A kind of method of pre-stressed carbon fiber plate tensioning equipment and reinforcing steel beam |
| CN108824829B (en) * | 2018-05-28 | 2020-12-08 | 广东工业大学 | Prestressed carbon fiber plate tensioning device and method for reinforcing steel beam |
| CN110863666A (en) * | 2019-09-27 | 2020-03-06 | 广东明晟建设工程有限公司 | Prestress clamping anchorage device for carbon fiber plate |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Deng Langni Inventor after: Zhang Peng Inventor after: Yan Liubin Inventor after: Yang Fan Inventor after: Zhu Wanxu Inventor after: Chen Hua Inventor after: Huang Liuyun Inventor after: Huang Shibin Inventor before: Deng Langni Inventor before: Zhang Peng Inventor before: Yan Liubin Inventor before: Zhu Wanxu Inventor before: Chen Hua |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: DENG LANGNI ZHANG PENG YAN LIUBIN ZHU WANXU CHEN HUA TO: DENG LANGNI ZHANGPENG YAN LIUBIN YANG FAN ZHU WANXU CHEN HUA HUANG LIUYUN HUANG SHIBIN |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100609 Termination date: 20110420 |