CN215564544U

CN215564544U - Clamping piece type anchorage device steering device for FRP (fiber reinforced Plastic) plate

Info

Publication number: CN215564544U
Application number: CN202120874081.3U
Authority: CN
Inventors: 魏星; 汪昕; 朱中国; 常鑫泉; 吴智深; 张启业; 许俊波; 陈华兵; 卢山
Original assignee: Jiangsu Green Materials Vally New Material T&d Co ltd
Current assignee: Jiangsu Green Materials Vally New Material T&d Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2022-01-18
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses a clamping piece type anchorage device steering device for an FRP plate, which belongs to the technical field of structural reinforcement and comprises a clamping piece type anchorage device fixed on a component, wherein the FRP plate is anchored in the clamping piece type anchorage device, and a steering tripod used for bearing the FRP plate. The utility model is scientific and reasonable, is safe and convenient to use, realizes the bending of the FRP plate towards the direction of the component by extruding the pressing sheet towards the direction of the steering tripod, ensures that the FRP plate is effectively attached to the component, reduces the thickness of a glue layer, improves the capability of the FRP plate and the component to cooperatively bear force, has simple manufacturing process and convenient construction, and can bend the FRP plate under the premise of ensuring uniform stress. The steering tripod is connected with the pressing plate through the lifting screw rod, so that the steering tripod is suitable for bending FRP laths with various section thicknesses, and the applicability is strong.

Description

Clamping piece type anchorage device steering device for FRP (fiber reinforced Plastic) plate

Technical Field

The utility model relates to the technical field of structural reinforcement, in particular to a clamping piece type anchorage device steering device for an FRP plate.

Background

The FRP lath is a strip-shaped fiber reinforced composite material product which is prepared by taking high-strength fibers as a reinforcing material and combining the high-strength fibers with a resin matrix through processes of a pultrusion method, a winding method and the like, and is divided into a unidirectional plate, a bidirectional plate and a multidirectional plate. The unidirectional plate is suitable for being applied to reinforcing engineering of bridges and buildings. The FRP plate has high tensile strength along the fiber direction and low transverse compressive strength and shear strength, so a special anchoring device is needed at the end part to anchor the FRP plate strip. The prestressed FRP plate anchorage commonly used in the market at the present stage is a wedge-shaped clamping piece type anchorage, the anchorage has high anchoring efficiency coefficient, but the thickness is often larger, so that the FRP plate cannot be effectively attached to the surface of concrete after being anchored, and the thicker glue layer is easy to peel and damage. If a groove is formed in the concrete surface, the anchor is embedded in the surface of the member, so that the stirrup is cut off, and secondary damage is caused to the member. Therefore, a clip-type anchor steering device for FRP panels is required to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims to provide a clamping piece type anchorage device steering device for an FRP plate, aiming at solving the problem that the FRP plate cannot be effectively attached to the surface of concrete after being anchored.

The technical scheme is as follows: the utility model relates to a clip type anchorage device steering device for an FRP plate, which comprises a clip type anchorage device fixed on a component, wherein the clip type anchorage device is internally anchored with the FRP plate, and the device also comprises a steering tripod used for bearing the FRP plate, and the steering tripod is fixed on the component on one side of the clip type anchorage device through a high-strength bolt; the surface of the steering tripod facing the FRP plate is an inclined surface, and one side of the inclined surface close to the clip type anchorage is higher than one side far away from the clip type anchorage;

a plurality of lifting screws are arranged on the inclined surface, the lifting screws are respectively arranged on two sides of the FRP plate, the other end of each lifting screw is movably connected with a pressing sheet, and the pressing sheet is positioned on one surface, far away from the steering tripod, of the FRP plate; and extruding the pressing sheet in the direction of the steering tripod, and bending the FRP plate in the direction of the steering tripod and uniformly contacting the inclined surface.

In order to place FRP plates with different section thicknesses between the steering tripod and the pressing plate, a lifting bolt is arranged, so that the device is beneficial to flexible use. The pressing plate and the steering tripod are matched for use, the FRP plate is bent under the premise of ensuring uniform stress, the FRP plate is attached to the concrete surface, the adhesive layer is prevented from being stripped and damaged, and the device is simple in manufacturing process and convenient to construct. In order to bend the FRP plate, the steering tripod is provided with an inclined surface, and the height of one side of the inclined surface, which is far away from the clip type anchorage, is lower than that of one side of the inclined surface, which is close to the clip type anchorage, so that the FRP plate can be bent towards the direction of the component.

Preferably, one surface of the pressing sheet, which is in contact with the FRP plate, serves as an extrusion surface, one side of the extrusion surface, which is close to the clip-type anchorage, is higher than one side of the extrusion surface, which is far away from the clip-type anchorage, and the inclination degree of the extrusion surface is consistent with that of the inclined surface, so that the FRP plate is uniformly stressed in the extrusion process.

Preferably, the inclination degree of the inclined surface and the pressing surface ranges from 10 ° to 20 °.

Preferably, a plurality of fixing holes are formed in the pressing sheet, and the positions and the number of the fixing holes correspond to those of the lifting screws one to one; each lifting screw penetrates through the fixing hole, and one end, far away from the steering tripod, of each lifting screw is provided with a fixing nut for fastening. In order to make the FRP plate contact with the steering tripod after being bent, a fixing nut is arranged.

Preferably, the edge of the inclined plane of the steering tripod is provided with a circular arc chamfer, so that the phenomenon of edge stress concentration in contact with the FRP plate is effectively relieved.

Preferably, the edge of the extrusion surface of the pressing sheet is provided with a circular arc chamfer, so that the phenomenon of edge stress concentration in contact with the FRP plate is effectively relieved.

Has the advantages that: (1) this device is equipped with and turns to tripod and preforming, the FRP board is located and turns to in the middle of tripod and the preforming, through to turning to tripod direction extrusion preforming, realize that the FRP board buckles to the component direction, in order to accomplish turning to of FRP board, make the effective component of laminating of FRP board, reduce glue film thickness, avoid thick glue film to take place to peel off the destruction, also avoid the fluting to cause secondary damage to the component, promote the ability of FRP board and component atress in coordination, simple manufacture process, it is convenient to be under the construction, can be under the even prerequisite of assurance stress the FRP board of bending. The steering tripod is connected with the pressing plate through the lifting screw rod, so that the steering tripod is suitable for bending FRP laths with various section thicknesses, and the applicability is strong. The edge is provided with the circular arc chamfer, has alleviated the phenomenon that contact edge stress concentrates.

Drawings

FIG. 1 is a schematic view showing a state of use of a clip-type anchorage device for FRP plates according to the present invention;

FIG. 2 is a schematic view of the installation of the clip-type anchorage steering device for FRP plates according to the present invention;

FIG. 3 is a schematic view of an inverted structure of a steering tripod and a pressing plate of the clip-type anchor steering device for FRP plates according to the present invention;

reference numbers in the figures: 1. fixing a nut; 2. a lifting screw; 3. tabletting; 4. a steering tripod; 5. FRP plates; 6. a high-strength bolt; 7. a clip anchor; 8. a component.

Detailed Description

The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.

Example 1: as shown in fig. 1-3, a clip type anchorage device steering device for an FRP plate comprises a clip type anchorage device 7 fixed on a member 8, an FRP plate 5 anchored in the clip type anchorage device 7, and a steering tripod 4 for bearing the FRP plate, wherein the steering tripod 4 is fixed on the member 8 at one side of the clip type anchorage device 7 through a high-strength bolt 6; the surface of the steering tripod 4 facing the FRP plate 5 is an inclined surface, and one side of the inclined surface close to the clip-type anchorage 7 is higher than one side far away from the clip-type anchorage 7, so that the FRP plate 5 is bent towards the direction of the component 8;

a plurality of lifting screws 2 are arranged on the inclined plane, the lifting screws 2 are respectively arranged at two sides of the FRP plate 5, and the other end of the lifting screw 2 is movably connected with a pressing plate 3, so that FRP plates with different section thicknesses can be placed between the steering tripod 4 and the pressing plate 3, and the adaptability of the device is enhanced; the pressing sheet 3 is positioned on one surface of the FRP plate 5 far away from the steering tripod 4; to turning to 4 directions extrusion preforming 3 of tripod, FRP board 5 is buckled to turning to 4 directions of tripod, and with the even contact of inclined plane, guarantees that stress is even for 5 laminating concrete surfaces of FRP board avoid the glue film to take place to peel off the destruction, and the device simple manufacture simple process, construction are convenient.

The one side that contacts with FRP board 5 on the preforming 3 is as the extrusion face, and one side that the extrusion face is close to clip formula ground tackle 7 is higher than the one side of keeping away from clip formula ground tackle 7, and the extrusion face inclination degree is unanimous with the inclined plane inclination degree for FRP board 5 is at the even atress of extrusion in-process.

The inclination degree of the inclined surface and the extrusion surface ranges from 10 degrees to 20 degrees.

The pressing sheet 3 is provided with a plurality of fixing holes, and the positions and the number of the fixing holes correspond to the positions and the number of the lifting screws 2 one by one; each lifting screw 2 runs through the fixed orifices, and lifting screw 2 is kept away from the one end that turns to tripod 4 and is equipped with fixation nut 1 that is used for the fastening for behind the FRP board 5 buckling with turn to tripod 4 in close contact with.

The edge of the inclined plane of the steering tripod 4 is provided with a circular arc chamfer angle, so that the phenomenon of edge stress concentration in contact with the FRP plate 5 is effectively relieved.

The edge of the extrusion surface of the pressing sheet 3 is provided with a circular arc chamfer, so that the phenomenon of edge stress concentration in contact with the FRP plate 5 is effectively relieved.

The working principle of the utility model is as follows: when in use, the steering tripod 4 is fixed on a component 8 at one side of the clip type anchorage 7 by using the high-strength bolt 6. Fixing the clamping piece type anchorage 7 at the corresponding position of the component 8, wherein the FRP plate 5 is positioned above the steering tripod 4, and the lifting screw rods 2 are positioned at two sides of the FRP plate 5. After the FRP plate 5 is tensioned, the fixing hole on the pressing piece 3 is aligned to the lifting screw rod 2, and the pressing piece 3 is extruded towards the FRP plate 5 until the FRP plate 5 is in uniform contact with the steering tripod 4. And (3) screwing a fixing nut 1 on the lifting screw rod 2, so that the pressing sheet 3, the FRP plate 5 and the steering tripod 4 are tightly attached. And finishing the steering of one side of the FRP plate 5, and repeating the steps to finish the steering of the other side of the FRP plate 5.

As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A clamping piece type anchorage device steering device for FRP plates comprises a clamping piece type anchorage device (7) fixed on a component (8), wherein the FRP plates (5) are anchored in the clamping piece type anchorage device (7), and the device is characterized in that: the steering tripod (4) is used for bearing the FRP plate, and the steering tripod (4) is fixed on a component (8) on one side of the clamping piece type anchorage device (7) through a high-strength bolt (6); the surface of the steering tripod (4) facing the FRP plate (5) is an inclined surface, and one side of the inclined surface close to the clip type anchorage (7) is higher than one side far away from the clip type anchorage (7);

a plurality of lifting screws (2) are arranged on the inclined plane, the lifting screws (2) are respectively arranged on two sides of the FRP plate (5), the other end of the lifting screw (2) is movably connected with a pressing sheet (3), and the pressing sheet (3) is positioned on one surface, far away from the steering tripod (4), of the FRP plate (5); the pressing sheet (3) is extruded towards the direction of the steering tripod (4), and the FRP plate (5) is bent towards the direction of the steering tripod (4) and is in uniform contact with the inclined surface.

2. The clip-type anchor steering device for FRP plates as claimed in claim 1, wherein: one surface of the pressing sheet (3) which is in contact with the FRP plate (5) is used as an extrusion surface, one side of the extrusion surface close to the clip type anchorage device (7) is higher than one side of the extrusion surface far away from the clip type anchorage device (7), and the inclination degree of the extrusion surface is consistent with that of the inclined surface.

3. The clip-type anchor steering device for FRP plates as claimed in claim 2, wherein: the inclination degree of the inclined surface and the extrusion surface ranges from 10 degrees to 20 degrees.

4. The clip-type anchor steering device for FRP plates as claimed in claim 1, 2 or 3, wherein: a plurality of fixing holes are formed in the pressing sheet (3), and the positions and the number of the fixing holes correspond to those of the lifting screw rods (2) one to one; each lifting screw (2) penetrates through the fixing hole, and one end, far away from the steering tripod (4), of the lifting screw (2) is provided with a fixing nut (1) for fastening.

5. The clip-type anchor steering device for FRP plates as claimed in claim 4, wherein: the edge of the inclined surface of the steering tripod (4) is provided with a circular arc chamfer.

6. The clip-type anchor steering device for FRP plates as claimed in claim 5, wherein: and the edge of the extrusion surface of the pressing sheet (3) is provided with a circular arc chamfer.