CN219508397U - Anchor device of prestressing force carbon fiber plate - Google Patents
Anchor device of prestressing force carbon fiber plate Download PDFInfo
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- CN219508397U CN219508397U CN202320602845.2U CN202320602845U CN219508397U CN 219508397 U CN219508397 U CN 219508397U CN 202320602845 U CN202320602845 U CN 202320602845U CN 219508397 U CN219508397 U CN 219508397U
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- vertical plate
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 43
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 43
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 238000004873 anchoring Methods 0.000 claims abstract description 34
- 238000009434 installation Methods 0.000 claims abstract description 6
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 229910000617 Mangalloy Inorganic materials 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- 239000011094 fiberboard Substances 0.000 description 9
- 230000002787 reinforcement Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229920002748 Basalt fiber Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses an anchoring device of a prestress carbon fiber plate, which comprises an anchoring plate which is horizontally arranged, wherein an installation groove is formed in the anchoring plate and is used for limiting the position of the carbon fiber plate; the two self-locking stretching devices are arranged in opposite directions and are arranged on the anchoring plate, and the self-locking stretching devices are used for fixing and stretching the carbon fiber plates; the utility model has the beneficial effects that: the self-locking type stretching device is designed to replace the traditional hydraulic jack, the oil way pipeline is prevented from being matched on site, the working efficiency is high, the construction is rapid and convenient, the self-locking type stretching device of the plugging structure is rapid in mounting and dismounting speed, the recycling is convenient, and the self-locking type stretching device is worthy of popularization and use.
Description
Technical field:
the utility model relates to the technical field of road and bridge reinforcement, in particular to an anchoring device of a prestressed carbon fiber plate.
The background technology is as follows:
in recent years, fiber boards (comprising carbon fibers, basalt fibers and the like) become research and application hot spots in the field of reinforcement and repair of civil engineering structures by the unique advantages of light weight, high strength, corrosion resistance and convenience in construction. The traditional pasting fiber board reinforcement technology has the main defect that the high-strength characteristic of the fiber board cannot be exerted. A great number of researches show that the defect can be effectively overcome by pre-applying the prestressing force before pasting the fiber board, namely the strength utilization rate of the fiber board can be greatly improved after the prestressing force is applied to the fiber board.
In the existing prestressed fiberboard tensioning and anchoring device, after the prestressing force of the fiberboard is applied, the tensioning end anchor is usually anchored by directly adopting a tensioning guide rod to be matched with a high-strength nut, and the tensioning guide rod is easy to be influenced by the erosion of external environment after long-term service, so that the prestress loss of the fiberboard is easy to be caused, and the reinforcing effect is reduced
The carbon fiber material is widely applied to the field of bridge reinforcement engineering, has the advantages of high strength, corrosion resistance, convenient construction, strong usability and the like, and is widely applied to concrete structures and steel structure reinforcement engineering; at present, the generation of cracks is controlled by applying prestress to a carbon fiber sheet and fixing the carbon fiber sheet on a concrete member, a jack anchor is adopted for construction in the basic operation in the prior art, during construction, firstly, the anchor is fixedly anchored on the bottom surface of a bridge member, then a carbon fiber plate is installed and fixed, then a hydraulic jack is started to stretch and apply prestress to the carbon fiber plate, the carbon fiber plate is adhered on the member through a chemical adhesive, after the state is maintained for a period of time, the jack is detached, but the following defects are found to be common after long-time use: the jack needs to be matched with a corresponding oil way, the difficulty of configuring the oil way pipeline at a construction site is high, the working efficiency is low, and the jack is not easy to detach after tensioning is finished.
The utility model comprises the following steps:
the utility model aims to provide an anchoring device of a prestressed carbon fiber plate, which solves the technical problems of difficult oil path matching and low working efficiency of a jack in tensioning and anchoring of the carbon fiber plate in the prior art.
The utility model comprises the following steps: the anchoring device of the prestress carbon fiber plate comprises an anchoring plate which is horizontally arranged, wherein an installation groove is formed in the anchoring plate and used for limiting the position of the carbon fiber plate; the two self-locking stretching devices are arranged in opposite directions, the self-locking stretching devices are arranged on the anchoring plate, and the self-locking stretching devices are used for fixing and stretching the carbon fiber plates.
Furthermore, an inserting groove is formed in the anchoring plate, the self-locking stretching device is inserted into the inserting groove, and a magnet is arranged at the bottom end of the inserting groove.
Furthermore, a jackscrew hole is formed in the anchoring plate, the jackscrew hole is communicated with the inserting groove, and jackscrews are screwed in the jackscrew hole.
Further, the self-locking stretching device comprises an inner vertical plate and an outer vertical plate which are vertically arranged, and the inner vertical plate and the outer vertical plate are inserted into the insertion groove.
Further, the slide hole is formed in the inner vertical plate and the outer vertical plate, the slide rod is connected in the slide hole in a sliding mode, the limiting plate is connected to the slide rod, the eccentric wheel is hinged to the inner vertical plate, the self-locking plane and the handle are arranged on the eccentric wheel, the compression spring is sleeved on the slide rod and located between the limiting plate and the outer vertical plate, the pressing nail is arranged at the outer end of the slide rod, when the self-locking plane is attached to the limiting plate, the self-locking stretching device is self-locked, and the pressing nail is used for fixing the carbon fiber plate.
Further, the sliding hole is a square hole, and the cross section of the sliding rod is square.
Further, the pressing nail is in threaded connection with the sliding rod, and an anti-slip spike is arranged on the pressing surface of the pressing nail.
Further, the eccentric wheel is made of high manganese steel.
The utility model has the beneficial effects that: the self-locking type stretching device is designed to replace the traditional hydraulic jack, the oil way pipeline is prevented from being matched on site, the working efficiency is high, the construction is rapid and convenient, the self-locking type stretching device of the plugging structure is rapid in mounting and dismounting speed, the recycling is convenient, and the self-locking type stretching device is worthy of popularization and use.
Description of the drawings:
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a main view of the present utility model;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 2;
FIG. 4 is a perspective view of an anchor plate of the present utility model;
the anchoring plate 1, the mounting groove 2, the inner vertical plate 3, the outer vertical plate 4, the magnet 5, the eccentric wheel 6, the limiting plate 7, the compression spring 8, the slide bar 9, the inserting groove 11, the jackscrew screw hole 13, the carbon fiber plate 14 and the pressing nail 15.
The specific embodiment is as follows:
as shown in fig. 1 and 2, an anchoring device of a prestressed carbon fiber plate comprises an anchoring plate 1 which is horizontally arranged, wherein an installation groove 2 is formed in the anchoring plate 1, and the installation groove 2 is used for limiting the position of a carbon fiber plate 14; two self-locking stretching devices which are arranged in opposite directions and are arranged on the anchoring plate 1 and used for fixing and stretching the carbon fiber plates 14; the anchoring plate 1 is provided with the inserting groove 11, the self-locking type stretching device is inserted into the inserting groove 11, the bottom end of the inserting groove 11 is provided with the magnet 5, and the locking type stretching device and the anchoring plate are connected in a split inserting mode, so that the disassembling and the assembling of the locking type stretching device become quick and convenient.
As shown in fig. 4, a jackscrew hole 13 is formed in the anchoring plate 1, the jackscrew hole 13 is communicated with the inserting groove 11, a jackscrew is screwed into the jackscrew hole 13, and the jackscrew can fix the self-locking stretching device on the anchoring plate 1, so that the self-locking stretching device becomes firm.
As shown in fig. 1, the self-locking stretching device comprises an inner vertical plate 3 and an outer vertical plate 4 which are vertically arranged, wherein the inner vertical plate 3 and the outer vertical plate 4 are inserted into the insertion groove 11; the inner vertical plate 3 and the outer vertical plate 4 are provided with sliding holes, sliding rods 9 are connected in the sliding holes in a sliding mode, limiting plates 7 are connected to the sliding rods 9, eccentric wheels 6 are hinged to the inner vertical plate 3, self-locking planes and handles are arranged on the eccentric wheels 6, compression springs 8 are sleeved on the sliding rods 9, the compression springs 8 are located between the limiting plates 7 and the outer vertical plate 4, pressing nails 15 are arranged at the outer ends of the sliding rods 9, when the self-locking planes are attached to the limiting plates 7, the self-locking stretching devices are self-locking, and the pressing nails 15 are used for fixing carbon fiber plates 14.
The sliding hole is a square hole, the cross section of the sliding rod 9 is square, and the square sliding hole and the sliding rod 9 can limit the circumferential rotation of the sliding rod 9, so that the sliding rod is convenient and reliable.
As shown in fig. 2, the pressing nail 15 is in screwed connection with the sliding rod 9, and an anti-slip spike is arranged on the pressing surface of the pressing nail 15, so that the friction force can be effectively increased by the anti-slip spike, and the carbon fiber board 14 and the anti-slip spike do not generate relative movement; the eccentric wheel 6 is made of high manganese steel, and the high manganese steel has better wear resistance.
As shown in fig. 1 to 4, in specific use, the carbon fiber plate 14 can be lightly adhered to the bottom of the bridge member, then the anchor plate 1 is mounted on the member by bolts, so that the carbon fiber plate 14 is positioned in the mounting groove 2, then the self-locking stretching device is mounted on the anchor plate 1, finally the pressing nail 15 is rotated to compress the carbon fiber plate 14, finally the handle on the eccentric wheel 6 is rotated to make the self-locking plane be attached to the limiting plate 7, namely the prestress stretching of the carbon fiber plate 14 is completed, finally the carbon fiber plate 14 is attached to the member by forceful pressing, and after a period of time is maintained, the self-locking stretching device is disassembled for repeated use.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. An anchoring device for a prestressed carbon fiber plate, characterized in that: comprising
The carbon fiber plate comprises an anchor plate (1) which is horizontally arranged, wherein an installation groove (2) is formed in the anchor plate (1), and the installation groove (2) is used for limiting the position of a carbon fiber plate (14);
the two self-locking stretching devices are arranged in opposite directions and are arranged on the anchoring plate (1), and the self-locking stretching devices are used for fixing and stretching the carbon fiber plates (14).
2. The anchoring device for prestressed carbon fiber plates according to claim 1, wherein: the anchoring plate (1) is provided with a plug-in groove (11), the self-locking stretching device is plugged in the plug-in groove (11), and the bottom end of the plug-in groove (11) is provided with a magnet (5).
3. The anchoring device for prestressed carbon fiber plates according to claim 2, wherein: the anchoring plate (1) is provided with a jackscrew screw hole (13), the jackscrew screw hole (13) is communicated with the inserting groove (11), and jackscrews are screwed in the jackscrew hole (13).
4. The anchoring device for prestressed carbon fiber plates according to claim 2, wherein: the self-locking type stretching device comprises an inner vertical plate (3) and an outer vertical plate (4) which are vertically arranged, and the inner vertical plate (3) and the outer vertical plate (4) are inserted into the inserting groove (11).
5. The anchoring device for prestressed carbon fiber plates according to claim 4, wherein: the novel self-locking carbon fiber plate comprises an inner vertical plate (3) and an outer vertical plate (4), wherein a sliding hole is formed in the inner vertical plate (3) and the outer vertical plate (4), a sliding rod (9) is connected in the sliding hole in a sliding mode, a limiting plate (7) is connected to the sliding rod (9), an eccentric wheel (6) is hinged to the inner vertical plate (3), a self-locking plane and a handle are arranged on the eccentric wheel (6), a compression spring (8) is sleeved on the sliding rod (9), the compression spring (8) is located between the limiting plate (7) and the outer vertical plate (4), a pressing nail (15) is arranged at the outer end of the sliding rod (9), and the self-locking drawing device is self-locking when the self-locking plane is attached to the limiting plate (7), and the pressing nail (15) is used for fixing a carbon fiber plate (14).
6. The anchoring device for prestressed carbon fiber plates according to claim 5, wherein: the sliding hole is a square hole, and the cross section of the sliding rod (9) is square.
7. The anchoring device for prestressed carbon fiber plates according to claim 5, wherein: the pressing nail (15) is in threaded connection with the sliding rod (9), and an anti-slip spike is arranged on the pressing surface of the pressing nail (15).
8. The anchoring device for prestressed carbon fiber plates according to claim 5, wherein: the eccentric wheel (6) is made of high manganese steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320602845.2U CN219508397U (en) | 2023-03-24 | 2023-03-24 | Anchor device of prestressing force carbon fiber plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320602845.2U CN219508397U (en) | 2023-03-24 | 2023-03-24 | Anchor device of prestressing force carbon fiber plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219508397U true CN219508397U (en) | 2023-08-11 |
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ID=87547837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320602845.2U Active CN219508397U (en) | 2023-03-24 | 2023-03-24 | Anchor device of prestressing force carbon fiber plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219508397U (en) |
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2023
- 2023-03-24 CN CN202320602845.2U patent/CN219508397U/en active Active
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