CN210368685U - Multi-layer multi-pull-end prestressed carbon fiber cloth anchoring equipment - Google Patents
Multi-layer multi-pull-end prestressed carbon fiber cloth anchoring equipment Download PDFInfo
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- CN210368685U CN210368685U CN201920953869.6U CN201920953869U CN210368685U CN 210368685 U CN210368685 U CN 210368685U CN 201920953869 U CN201920953869 U CN 201920953869U CN 210368685 U CN210368685 U CN 210368685U
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Abstract
A multi-layer multi-pull-end prestressed carbon fiber cloth anchoring device comprises: anchor end and a plurality of stretch-draw end, between anchor end and the stretch-draw end and between per two stretch-draw ends can twine the multilayer carbon cloth, the anchor of anchor end is served the steel sheet and is passed through crab-bolt connection anchor end steel sheet down, stretch-draw end slides and goes up steel sheet, wedge anchor sheet, stretch-draw end and slide down the steel sheet including stretch-draw end fixed down steel sheet, stretch-draw end slider passes through the crab-bolt to be fixed on treating reinforced structure, and stretch-draw end fixed down steel sheet slides in the slide of stretch-draw end slider, and stretch-draw end slides and goes up the steel sheet, wedge anchor sheet and stretch-draw end slide down between the steel sheet and be connected through the crab-bolt, and stretch-draw end slides down steel sheet one end and passes through stretch-draw screw connection stretch-draw end fixed down steel sheet, and the. The utility model discloses simple structure, strong operability, can effectively improve and consolidate efficiency and reduce the loss of prestressing force, have more apparent social economic benefits and wide popularization prospect.
Description
Technical Field
The utility model relates to a bridge engineering technical field especially relates to a many draw and hold prestressing force carbon cloth anchor equipment of multilayer.
Background
At present, the carbon fiber material is widely applied to bridge reinforcing engineering, and particularly, the economic and technical benefits brought by the technical characteristics of the carbon fiber material are particularly considerable when bridges in China continuously enter a middle and large maintenance stage. However, the solid engineering verification of many years shows that the reinforcing effect of the non-prestressed carbon fiber material is not ideal. Indoor tests show that people start to adopt an active prestressing method to improve the effective utilization rate of carbon fiber materials, improve the internal force condition of a stressed structure of a bridge main body and improve the bearing capacity of the structure, and after prestress is applied to the carbon fiber materials, the reinforced structure can be stressed in cooperation with the carbon fiber materials, so that the high-strength characteristic of the reinforced structure can be better exerted, but the reinforcing efficiency of a reinforcing system with the prestressed carbon fiber materials in the prior art is lower, and the reinforcing working hour is higher. Therefore, it is necessary to provide a carbon fiber material anchoring device which can improve the reinforcing efficiency, so as to solve the above problems.
SUMMERY OF THE UTILITY MODEL
To the problem that prior art exists, it is not enough in order to overcome current prestressing force carbon fiber material reinforcing system strengthening efficiency, the utility model provides a many draw end prestressing force carbon cloth anchor equipment of multilayer, the purpose effectively improves carbon fiber material strengthening efficiency and effectively reduces prestressing force loss.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a multi-layer multi-pull-end prestressed carbon fiber cloth anchoring device comprises: the anchoring end and the stretching ends and between every two stretching ends can be wound with a plurality of layers of carbon fiber cloth, the upper steel plate of the anchoring end is connected with the lower steel plate of the anchoring end through an anchor bolt, the tensioning end comprises a lower steel plate fixed by the tensioning end, a sliding block of the tensioning end, an upper steel plate sliding on the tensioning end, a wedge-shaped anchor sheet and a lower steel plate sliding on the tensioning end, the tensioning end sliding block is fixed on a structure to be reinforced through an anchor bolt, a slideway is arranged on the tensioning end sliding block, the tensioning end fixed lower steel plate slides in the slideway of the tensioning end sliding block, the tensioning end sliding upper steel plate, the wedge-shaped anchor sheet and the tensioning end sliding lower steel plate are connected through an anchor bolt to ensure that the tensioning end sliding upper steel plate and the tensioning end sliding lower steel plate can move along the tensioning direction, one end of the tensioning end sliding lower steel plate is connected with the tensioning end fixed lower steel plate through a tensioning screw and fixed by a fixing nut, and a tensioning stop block is fixed at the other end of the tensioning screw.
The optimum angle of the wedge-shaped anchor sheet is 15 degrees.
The anchor is served steel sheet and is held being connected of steel sheet, stretch-draw end slider and treating being connected of reinforced structure and adopting M16 implantation bolt connection under the anchor, the stretch-draw end slides and goes up the connecting bolt of steel sheet and wedge anchor piece and stretch-draw end down steel sheet and be M12 implantation bolt, the size specification of stretch-draw screw rod is M14.
One side of the sliding block, which is close to the structure to be reinforced, is provided with a slideway, one side of the steel plate, which is close to the stretching end to slide down, is provided with a threaded connecting hole, and the steel plate, which is close to the stretching end to slide down, is provided with a connecting through hole.
The multi-layer and multi-pull-end prestressed carbon fiber cloth anchoring equipment can be used for stretching and drawing the multi-layer carbon fiber cloth at the same position.
The multi-layer and multi-pull-end prestressed carbon fiber cloth anchoring device is provided with a plurality of pull-end anchoring units, and each part works independently.
The multi-layer and multi-pull-end prestressed carbon fiber cloth anchoring equipment can be applied to large-span reinforcing members.
The tensioning end is fixed, the lower steel plate slides in the slide way of the tensioning end slide block.
The utility model relates to a many draw end prestressed anchorage of multilayer sets firmly the beneficial effect who is equipped with: the anchoring device is suitable for anchoring multiple layers of multi-carbon fiber materials, more effective materials are provided at the same reinforcing position, the reinforcing efficiency is improved, and the effective reinforcing efficiency of the carbon fiber materials is improved at the same position; meanwhile, a plurality of tensioning anchoring parts can be arranged, so that the prestress loss of the steel plate is effectively reduced, and the reinforcing efficiency of the steel plate is improved; the arrangement of the tensioning end slide way can control the accuracy of the tensioning direction and properly reduce the prestress loss generated by the friction force between the tensioning end fixed lower steel plate and the tensioning end slide block, so that the tensioning process is more reasonable and efficient; each part of the equipment works independently and is matched with each other, and meanwhile, the local damaged part can be independently disassembled, so that the later maintenance is facilitated; the tensioning equipment at the tensioning end can be recycled, only the tensioning stop block needs to be detached every time, when local tensioning is not in place, subsequent tensioning can be compensated, and the anchoring end and the steel plate used by the tensioning end can be designed according to the size of the carbon fiber material required to be anchored in actual conditions. The utility model has the advantages of simple structure, strong operability, can effectively improve the reinforcing efficiency and the loss that reduces prestressing force of reinforced structure, have more apparent social and economic benefits and wide popularization prospect.
Drawings
Fig. 1 is a front view of a multi-layer multi-end prestressed carbon fiber cloth anchoring device provided by the present invention;
fig. 2 is a top view of the multi-layer multi-pulling-end prestressed carbon fiber cloth anchoring device provided by the present invention;
fig. 3 is a cross-sectional view of a multi-layer multi-pulling-end prestressed carbon fiber cloth anchoring device a-a provided by the present invention;
wherein:
1 anchor end upper steel plate, 2 anchor bolts, 3 anchor end lower steel plates, 4 layers of carbon fiber cloth, 5 tension end fixed lower steel plates, 6 tension end sliding blocks, 7 fixing nuts, 8 tension end sliding upper steel plates, 9 wedge-shaped anchor sheets, 10 tension stop blocks, 11 anchor bolts, 12 tension end sliding lower steel plates, 13 tension screw rods
Detailed Description
The present invention will be described in further detail with reference to examples.
In order to solve the problems in the prior art, as shown in fig. 1-3, the utility model provides a multi-layer multi-drawing-end prestressed carbon fiber cloth anchoring device, which comprises an anchoring end and a plurality of drawing ends, wherein the multi-layer carbon fiber cloth 4 is wound between the anchoring end and the drawing ends and between every two drawing ends, an anchoring end upper steel plate 1 of the anchoring end is connected with an anchoring end lower steel plate 3 through an anchor bolt 2, the drawing ends comprise a drawing end fixing lower steel plate 5, a drawing end sliding block 6, a drawing end sliding upper steel plate 8, a wedge-shaped anchor sheet 9 and a drawing end sliding lower steel plate 12, the drawing end sliding block 6 is fixed on a structure to be reinforced through the anchor bolt 2, a slide way is arranged on the drawing end sliding block 6, the drawing end fixing lower steel plate 5 slides in the slide way of the drawing end sliding block 6, the drawing end sliding upper steel plate 8, the wedge-shaped anchor sheet 9 and the drawing end sliding lower steel plate 12 are connected through the anchor bolt 11 to ensure that the drawing end sliding lower steel plate can move along the, stretch-draw end slides down 12 one end of steel sheet and connects fixed lower steel sheet 5 of stretch-draw end and fix with fixation nut 7 through stretch-draw screw 13, and stretch-draw screw other end is fixed with stretch-draw dog 10 and is used for providing the effect face of jack when stretching, 4 one end windings of multilayer carbon cloth are on steel sheet 3 under the anchor end, along the stretch-draw direction of treating reinforced structure, and the other end winding stretch-draw end is down the winding of steel sheet 5 back on the wedge anchor piece 9, the carbon cloth that one section needs down is left to wedge anchor piece 9 end.
Instructions for use:
the method comprises the following steps: the method comprises the following steps of carrying out preliminary polishing, paying off and positioning, punching and slotting on a structure to be reinforced before reinforcing the structure to be reinforced;
step two: implanting anchor bolts 2 and anchor bolts 11 into the drilled grooves, placing a large amount of epoxy resin glue at the cut positions, firstly installing an upper steel plate 1 at the anchoring end, then installing a lower steel plate 2 at the anchoring end, and reserving a certain space for winding carbon fiber cloth between the lower steel plate 2 at the anchoring end and a structure to be reinforced;
step three: fixing a tensioning end sliding block 6 on a structure to be reinforced by using an anchor bolt 11, installing a tensioning end fixing lower steel plate 5 in a slide way of the tensioning end sliding block 6, installing a tensioning end sliding lower steel plate 12, a wedge-shaped anchor sheet 9 and a tensioning end sliding upper steel plate 8 on the structure to be reinforced by using the anchor bolt 11, and leaving a certain space between the wedge-shaped anchor sheet 9 and the tensioning end sliding upper steel plate 8 as well as between the tensioning end sliding lower steel plate 12 for winding carbon fiber cloth;
step four: winding one end of a plurality of layers of carbon fiber cloth 4 on the anchoring end lower steel plate 3, winding the other end of the carbon fiber cloth on the tensioning end lower steel plate 5 along the tensioning direction of the structure to be reinforced and then on the wedge-shaped anchor sheet 9, reserving a next section of required carbon fiber cloth at the wedge-shaped anchor sheet 9, and then connecting the tensioning end fixing lower steel plate 5 with the tensioning end sliding lower steel plate 12 by using a tensioning screw 13;
step five: the jack used in tensioning acts on the side surface of the tensioning stop block 13 close to the anchoring end to tension the multi-layer carbon fiber cloth, and when the multi-layer carbon fiber cloth is tensioned to a designed value, the fixing nut 7 is screwed down to complete prestress tensioning;
step six: repeating the fifth step to perform repeated tensioning;
step seven: and after the last tensioning end completes tensioning, coating carbon fiber glue on the carbon fiber cloth, and completing bonding with the structure to be reinforced, so that the prestressed carbon fiber cloth and the structure to be reinforced form a unified whole.
Finally, it should be noted that the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention, and all the various improvements made by the concepts and technical solutions of the present invention or directly applied to other occasions without any improvement are within the protection scope of the present invention.
Claims (8)
1. The utility model provides a many draw end prestressing force carbon cloth anchor equipment which characterized in that of multilayer: the method comprises the following steps: the anchoring end and the stretching ends and between every two stretching ends can be wound with a plurality of layers of carbon fiber cloth, the upper steel plate of the anchoring end is connected with the lower steel plate of the anchoring end through an anchor bolt, the tensioning end comprises a lower steel plate fixed by the tensioning end, a sliding block of the tensioning end, an upper steel plate sliding on the tensioning end, a wedge-shaped anchor sheet and a lower steel plate sliding on the tensioning end, the sliding block is fixed on a structure to be reinforced through an anchor bolt, a slide way is arranged on the tensioning end sliding block, the tensioning end fixing lower steel plate slides in the slide way of the tensioning end sliding block, the tensioning end sliding upper steel plate, the wedge-shaped anchor sheet and the tensioning end sliding lower steel plate are connected through anchor bolts to ensure that the tensioning end sliding upper steel plate can move along the tensioning direction, one end of the tensioning end sliding lower steel plate is connected with the tensioning end fixed lower steel plate through a tensioning screw and fixed by a fixing nut, and a tensioning stop block is fixed at the other end of the tensioning screw.
2. The multi-layer and multi-pull-end prestressed carbon fiber cloth anchoring device of claim 1, wherein: the optimum angle of the wedge-shaped anchor sheet is 15 degrees.
3. The multi-layer and multi-pull-end prestressed carbon fiber cloth anchoring device of claim 1, wherein: the anchor is served steel sheet and is held being connected of steel sheet, stretch-draw end slider and treating being connected of reinforced structure and adopting M16 implantation bolt connection under the anchor, the stretch-draw end slides and goes up the connecting bolt of steel sheet and wedge anchor piece and stretch-draw end down steel sheet and be M12 implantation bolt, the size specification of stretch-draw screw rod is M14.
4. The multi-layer and multi-pull-end prestressed carbon fiber cloth anchoring device of claim 1, wherein: one side of the sliding block, which is close to the structure to be reinforced, is provided with a slideway, one side of the steel plate, which is close to the stretching end to slide down, is provided with a threaded connecting hole, and the steel plate, which is close to the stretching end to slide down, is provided with a connecting through hole.
5. The multi-layer and multi-pull-end prestressed carbon fiber cloth anchoring device of claim 1, wherein: the multi-layer and multi-pull-end prestressed carbon fiber cloth anchoring equipment can be used for stretching and drawing the multi-layer carbon fiber cloth at the same position.
6. The multi-layer and multi-pull-end prestressed carbon fiber cloth anchoring device of claim 1, wherein: the multi-layer and multi-pull-end prestressed carbon fiber cloth anchoring device is provided with a plurality of pull-end anchoring units, and each part works independently.
7. The multi-layer and multi-pull-end prestressed carbon fiber cloth anchoring device of claim 1, wherein: the multi-layer and multi-pull-end prestressed carbon fiber cloth anchoring equipment can be applied to large-span reinforcing members.
8. The multi-layer and multi-pull-end prestressed carbon fiber cloth anchoring device of claim 1, wherein: the tensioning end is fixed, the lower steel plate slides in the slide way of the tensioning end slide block.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920953869.6U CN210368685U (en) | 2019-06-24 | 2019-06-24 | Multi-layer multi-pull-end prestressed carbon fiber cloth anchoring equipment |
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| CN201920953869.6U CN210368685U (en) | 2019-06-24 | 2019-06-24 | Multi-layer multi-pull-end prestressed carbon fiber cloth anchoring equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110172928A (en) * | 2019-06-24 | 2019-08-27 | 辽宁省交通高等专科学校 | A kind of multiple pull end prestressed carbon cloth anchoring devices of multilayer and application method |
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- 2019-06-24 CN CN201920953869.6U patent/CN210368685U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110172928A (en) * | 2019-06-24 | 2019-08-27 | 辽宁省交通高等专科学校 | A kind of multiple pull end prestressed carbon cloth anchoring devices of multilayer and application method |
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