CN212248902U - Prestressed carbon fiber plate wedge-shaped anchoring device - Google Patents
Prestressed carbon fiber plate wedge-shaped anchoring device Download PDFInfo
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- CN212248902U CN212248902U CN202020752406.6U CN202020752406U CN212248902U CN 212248902 U CN212248902 U CN 212248902U CN 202020752406 U CN202020752406 U CN 202020752406U CN 212248902 U CN212248902 U CN 212248902U
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Abstract
The utility model relates to a prestressing force carbon fiber plate wedge anchor relates to prestressing force reinforced concrete relevant technical field, is applicable to the anchor of infrastructure engineering structures such as building, water conservancy, concretely relates to prestressing force carbon fiber plate wedge anchor, including upper anchor plate and lower anchor plate, upper anchor plate and lower anchor plate overlap from top to bottom and mutual lock setting, all be provided with the centre gripping groove on the relative one side of upper anchor plate and lower anchor plate, after upper anchor plate and lower anchor plate buckled, two centre gripping grooves form wedge centre gripping through-hole, are provided with two wedge holding pieces in the wedge centre gripping through-hole, and two wedge holding pieces match with two centre gripping grooves respectively; the utility model discloses carbon fiber availability factor is high, the utility model provides a carbon fiber plate ground tackle adopts the mode of carving the shape anchor, can with the clamping piece add on the holding power evenly transmits the carbon fiber plate, has avoided the carbon fiber atress inhomogeneous, has improved the carbon fiber strength rate of utilization.
Description
Technical Field
The utility model relates to a prestressing force reinforced concrete correlation technique field is applicable to the anchor of infrastructure engineering structures such as building, water conservancy, concretely relates to prestressing force carbon fiber plate wedge anchor.
Background
In recent years, high-strength composite fiber materials such as carbon fiber plates are widely applied to the technical field of civil engineering, but concrete members need to be reinforced to avoid possible hazards in engineering due to the influence of problems such as material aging, environmental corrosion, change of working load, natural disasters and construction quality. The method for reinforcing the prestressed carbon fiber plate is a novel anchoring method for the engineering structure of the foundation facilities such as civil engineering, water conservancy and the like, does not influence the service state of the original engineering structure, does not change the original structure, and has little damage to the original structure; the system has definite force transfer and obvious reinforcing effect, and is particularly suitable for bending-resistant reinforcement; the added anchoring structure has small volume and is convenient for construction, popularization and application; the anchoring section can be dispersed and flexibly arranged to reduce the stress of the anchoring point, and can also be reliably adhered to the beam body to reduce the live load stress amplitude of the anchor head.
Although research on the theory and technology of reinforcing the prestressed high-strength fiber sheet at home and abroad has been advanced to a certain extent at present, the technology of reinforcing the prestressed carbon fiber sheet has not been solved because of large-scale engineering application, and especially for the technical problems of anchoring and the like of the high-strength fiber sheet, a mature reinforcing system product is lacked. Therefore, a new carbon fiber plate anchoring device is urgently needed to solve the existing problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough to above-mentioned prior art provides a carve shape carbon fiber plate anchor that civil construction engineering used to the convenience of operation and anchored reliability when improving the structure anchor make it satisfy in the demand that the engineering was used.
The utility model relates to a prestressing force carbon fiber plate wedge anchor, including upper anchor plate and lower anchor plate, upper anchor plate and lower anchor plate overlap from top to bottom and mutual lock sets up, all be provided with the centre gripping groove on the relative one side of upper anchor plate and lower anchor plate, after upper anchor plate and lower anchor plate buckled mutually, two centre gripping grooves formed the wedge centre gripping through-hole, are provided with two wedge clamping pieces in the wedge centre gripping through-hole, and two wedge clamping pieces match with two centre gripping grooves respectively, and the region between two wedge clamping pieces is the centre gripping region;
the upper anchoring plate and the lower anchoring plate are fixedly connected through a pressing device.
Preferably, the clamping area is a plate-shaped area, and the clamping area is horizontally arranged.
Preferably, two first connecting seats are arranged on one surface, facing the lower anchoring plate, of the upper anchoring plate, and the clamping groove in the upper anchoring plate is arranged in a region between the two first connecting seats.
Preferably, the lower anchoring plate is provided with two second connecting seats at positions corresponding to the first connecting seats on one surface of the upper anchoring plate, and the clamping groove is formed in an area between the two second connecting seats.
Preferably, the first connecting seats are all provided with bolt through holes, the second connecting seats are also provided with bolt through holes at positions corresponding to the bolt through holes on the first connecting seats, the pressing devices are connecting bolts, and the connecting bolts respectively penetrate through the bolt through holes on the two first connecting seats to be connected with the bolt through holes on the second connecting seats.
Preferably, one surface of the two wedge-shaped clamping pieces, which is connected with the wedge-shaped clamping piece in the clamping groove on the upper anchoring plate, is a rough surface;
the surface of the other clamping piece, which is connected with the clamping groove on the lower anchoring plate, is also a rough surface, and the rough surface is prepared by mechanical and chemical treatment methods, wherein the mechanical method comprises one or more of mechanical polishing, erosion, sand blasting and other process methods, and the chemical treatment comprises one or more of acid cleaning, phosphating, coupling agent treatment and other process methods.
Preferably, the surfaces of the upper anchoring plate and the lower anchoring plate, which are far away from each other, are arranged in parallel, and the corresponding lengths, widths and heights of the upper anchoring plate and the lower anchoring plate are equal.
Preferably, a base is fixedly connected below the lower anchoring plate.
Preferably, the wedge-shaped clamping piece comprises a wedge-shaped clamping body, a wedge-shaped surface and a bottom surface are arranged on the wedge-shaped clamping body, the wedge-shaped surface is connected with the clamping groove, the bottom surface is connected with the clamping area, and an included angle between a plane where the wedge-shaped surface is located and a plane where the bottom surface is located is 35-45 degrees.
Compared with the prior art, the utility model discloses the beneficial effect who brings does:
1. carbon fiber availability factor is high, the utility model provides a carbon fiber plate ground tackle adopts the mode of carving the shape anchor, can transmit the clamping piece add the holding power evenly to the carbon fiber plate on, avoided the carbon fiber atress inhomogeneous, improved the carbon fiber strength rate of utilization.
2. The anchoring effect is reliable, and in the two wedge-shaped clamping pieces of the utility model, the surface of the upper anchoring plate, which is connected with the clamping groove, of the wedge-shaped clamping piece in the clamping groove is a rough surface;
the surface that another holding piece and centre gripping groove meet on the anchor board down also is the rough surface, can promote bonding strength between carbon fiber plate and the splint by a wide margin, improves the anchor effect.
3. The anchorage device has simple structure, is not easy to be influenced by construction environment to cause deviation, and fully exerts the characteristics of light weight and high strength of the carbon fiber plate.
4. The operation steps are simple, the anchoring steps are reduced, and the manual implementation is facilitated.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of an upper anchoring plate or a lower anchoring plate.
FIG. 3 is a schematic view of a holding sheet.
Reference numerals: 1-upper anchoring plate, 2-lower anchoring plate, 3-carbon fiber plate, 4-wedge-shaped clamping piece, 5-base, 6-connecting bolt, 7-bolt through hole, 8-clamping groove, 9-bottom surface and 10-wedge surface.
Detailed Description
The utility model relates to a prestressing force carbon fiber plate wedge anchor, including upper anchor plate 1 and lower anchor plate 2, upper anchor plate 1 and lower anchor plate 2 overlap from top to bottom and mutual lock sets up, all be provided with centre gripping groove 8 on the relative one side of upper anchor plate 1 and lower anchor plate 2, after upper anchor plate 1 and lower anchor plate 2 looks lock, two centre gripping grooves 8 form wedge centre gripping through-hole, are provided with two wedge centre gripping pieces 4 in the wedge centre gripping through-hole, two wedge centre gripping pieces 4 respectively with two centre gripping grooves 8 phase-match, the region between two wedge centre gripping pieces 4 is the centre gripping region;
the upper anchoring plate 1 and the lower anchoring plate 2 are fixedly connected through a pressing device.
The clamping area is a plate-shaped area and is horizontally arranged.
One side of the upper anchoring plate 1 facing the lower anchoring plate 2 is provided with two first connecting seats, and the clamping groove 8 on the upper anchoring plate 1 is arranged in an area between the two first connecting seats.
The position that corresponds first connecting seat on the one side of anchor board 1 is provided with two second connecting seats towards lower anchor board 2, and centre gripping groove 8 sets up in the region between two second connecting seats on lower anchor board 2.
All be provided with bolt through-hole 7 on the first connecting seat, there is also bolt through-hole 7 in the position that the second connecting seat corresponds the tie bolt through-hole on the first connecting seat, closing device is connecting bolt 6, and connecting bolt 6 passes bolt through-hole 7 on two first connecting seats respectively and links to each other with bolt through-hole 7 on the second connecting seat.
Of the two wedge-shaped clamping pieces 4, the surface of the wedge-shaped clamping piece 4 positioned in the clamping groove 8 on the upper anchoring plate 1, which is connected with the clamping groove 8, is a rough surface;
the surface of the other wedge-shaped clamping piece, which is connected with the clamping groove 8 on the lower anchoring plate 2, is also a rough surface, and the rough surface is prepared by mechanical and chemical treatment methods, wherein the mechanical method comprises one or more of mechanical polishing, erosion, sand blasting and other process methods, and the chemical treatment comprises one or more of acid cleaning, phosphating, coupling agent treatment and other process methods.
The surfaces, far away from each other, of the upper anchoring plate 1 and the lower anchoring plate 2 are parallel to each other, and the length, the width and the height of the upper anchoring plate 1 and the corresponding surface of the lower anchoring plate 2 are equal.
A base 5 is fixedly connected below the lower anchoring plate 2.
The wedge-shaped clamping piece 4 comprises a wedge-shaped clamping body, a wedge-shaped surface 10 and a bottom surface 9 are arranged on the wedge-shaped clamping body, the wedge-shaped surface 10 is connected with the clamping groove 8, the bottom surface 9 is connected with the clamping area, and an included angle between a plane where the wedge-shaped surface 10 is located and a plane where the bottom surface 9 is located is 35-45 degrees.
When the anchor is used, firstly, the lower anchor plate 2 is fixed on a concrete structure, then the carbon fiber plate 3 adhered with the epoxy resin adhesive is attached to a clamping area between two wedge-shaped clamping sheets which are mechanically polished and pickled, after the epoxy resin adhesive is cured, the upper anchor plate 1 is loaded, and finally the upper anchor plate 1 and the lower anchor plate 2 are clamped tightly through the connecting bolt 6, so that the carbon fiber plate 3 realizes the anchor under the combined action of the connecting bolt 6 and the adhesive. When in use, the adhesive can be phenolic resin adhesive.
Compared with the prior art, the utility model discloses the beneficial effect who brings does:
1. carbon fiber availability factor is high, the utility model provides a 3 ground tackle of carbon fiber board adopts the mode of carving the shape anchor, can transmit carbon fiber board 3 with the clamping piece add the holding power evenly on, it is inhomogeneous to have avoided the carbon fiber atress, has improved the carbon fiber strength rate of utilization.
2. The anchoring effect is reliable, and in the two wedge-shaped clamping pieces 4 of the utility model, the surface of the upper anchoring plate 1, which is connected with the clamping groove 8, of the wedge-shaped clamping piece 4 in the clamping groove 8 is a rough surface;
the surface that another wedge holding piece and centre gripping groove 8 meet on the anchor board 2 down is the rough surface, can promote adhesive strength between carbon fiber plate 3 and the splint by a wide margin, improves the anchor effect.
3. The anchorage device has simple structure, is not easy to be influenced by construction environment to cause deviation, and fully exerts the characteristics of light weight and high strength of the carbon fiber plate 3.
4. The operation steps are simple, the anchoring steps are reduced, and the manual implementation is facilitated.
Claims (8)
1. A prestressed carbon fiber plate wedge-shaped anchoring device comprises an upper anchoring plate (1) and a lower anchoring plate (2), and is characterized in that the upper anchoring plate (1) and the lower anchoring plate (2) are overlapped up and down and are buckled with each other, clamping grooves (8) are formed in the opposite surfaces of the upper anchoring plate (1) and the lower anchoring plate (2), after the upper anchoring plate (1) and the lower anchoring plate (2) are buckled with each other, the two clamping grooves (8) form a wedge-shaped clamping through hole, two wedge-shaped clamping sheets (4) are arranged in the wedge-shaped clamping through hole, the two wedge-shaped clamping sheets (4) are respectively matched with the two clamping grooves (8), and the area between the two wedge-shaped clamping sheets (4) is a clamping area;
the upper anchoring plate (1) is fixedly connected with the lower anchoring plate (2) through a pressing device.
2. The wedge-shaped prestressed carbon fiber plate anchoring device as claimed in claim 1, wherein said clamping area is a plate-like area, and the clamping area is horizontally disposed.
3. A prestressed carbon fibre plate wedge-shaped anchoring device as claimed in claim 2, characterized in that said upper anchoring plate (1) is provided with two first attachment seats on its side facing the lower anchoring plate (2), and that the clamping groove (8) of the upper anchoring plate (1) is provided in the area between the two first attachment seats.
4. A wedge-shaped anchoring device for prestressed carbon fibre plates, as claimed in claim 3, characterized in that the lower anchoring plate (2) is provided with two second connecting seats on its side facing the upper anchoring plate (1) in correspondence with the first connecting seats, and that the clamping groove (8) in the lower anchoring plate (2) is provided in the area between the two second connecting seats.
5. The wedge-shaped anchoring device for prestressed carbon fiber plates as defined in claim 4, wherein the first connecting seats are each provided with a bolt through hole (7), the second connecting seats are also provided with a bolt through hole (7) at a position corresponding to the bolt through hole on the first connecting seat, the pressing means are connecting bolts (6), and the connecting bolts (6) respectively pass through the bolt through holes (7) on the two first connecting seats and are connected with the bolt through holes (7) on the second connecting seat.
6. The wedge-shaped anchoring device for prestressed carbon fiber plates as claimed in claim 5, wherein the surfaces of said upper anchoring plate (1) and said lower anchoring plate (2) which are far away from each other are arranged in parallel with each other, and the corresponding length, width and height of said upper anchoring plate (1) and said lower anchoring plate (2) are equal.
7. A wedge-shaped pre-stressed carbon fiber plate anchoring device according to claim 6, wherein a base (5) is fixedly connected below the lower anchoring plate (2).
8. The wedge-shaped anchoring device for the prestressed carbon fiber plate as recited in claim 7, wherein the wedge-shaped clamping piece (4) comprises a wedge-shaped clamping body, a wedge-shaped surface (10) and a bottom surface (9) are arranged on the wedge-shaped clamping body, the wedge-shaped surface (10) is connected with the clamping groove (8), the bottom surface (9) is connected with the clamping area, and an included angle between a plane where the wedge-shaped surface (10) is located and a plane where the bottom surface (9) is located is 35-45 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020752406.6U CN212248902U (en) | 2020-05-09 | 2020-05-09 | Prestressed carbon fiber plate wedge-shaped anchoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020752406.6U CN212248902U (en) | 2020-05-09 | 2020-05-09 | Prestressed carbon fiber plate wedge-shaped anchoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212248902U true CN212248902U (en) | 2020-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020752406.6U Active CN212248902U (en) | 2020-05-09 | 2020-05-09 | Prestressed carbon fiber plate wedge-shaped anchoring device |
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| CN (1) | CN212248902U (en) |
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2020
- 2020-05-09 CN CN202020752406.6U patent/CN212248902U/en active Active
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