CN216765646U - Fixed end of prestressed carbon fiber plate device - Google Patents

Abstract

The utility model relates to the technical field of bridge reinforcement, in particular to a fixed end of a prestressed carbon fiber plate device, which comprises a fixed plate and four fixed anchor rods with the same size, wherein a U-shaped positioning groove is formed in the top of the fixed plate, a rectangular through hole is formed in the middle of the bottom of the inner wall of the U-shaped positioning groove, a fiber plate body is arranged in the U-shaped positioning groove, an upper positioning block is arranged in the middle of the top of the fixed plate, a mounting plate is detachably connected to the bottom of the fixed plate, and a lower positioning block is arranged at the top of the mounting plate. This stiff end of prestressing force carbon fiber plate device, the top embedding of four fixed stock is treated reinforced (rfd) inside the component, and through four fastening nut respectively with four fixed stock threaded connection, thereby fix the fixed plate on the surface of component, carry out the centre gripping through lower locating piece and last locating piece to the fiberboard body and fix, further fix the fiberboard body through two second fastening bolt, thereby make the one end of fiberboard body by the anchor, this operation is convenient, be favorable to the installation of prestressing force carbon fiber plate.

Description

Fixed end of prestressed carbon fiber plate device

Technical Field

The utility model relates to the technical field of bridge reinforcement, in particular to a fixed end of a prestressed carbon fiber plate device.

Background

The prestress carbon fiber plate reinforcing system mainly comprises six main parts, namely a carbon fiber plate, an anchoring device, carbon plate glue, a tensioning device, a pressing strip and the like, and the using principle of the prestress carbon fiber plate reinforcing system is that the carbon fiber plate coated with the carbon plate glue is used for prestress tensioning for a member needing to be reinforced, the problem of the member is repaired, the carbon fiber plate and the member form a unified whole, the bearing capacity of the member is improved, the prestress carbon fiber plate is soft, the prestress carbon fiber plate reinforcing system is suitable for structural reinforcement of various shapes, particularly for bridge reinforcement, a bridge has inclined, bent, sloping and special-shaped structures, and the prestress carbon plate reinforcement is very suitable.

In the installation process of the prestressed carbon fiber plate, the carbon fiber plate is mostly fixed by the aid of wedge-shaped clamping pieces and viscose when the carbon fiber plate is fixed by the anchoring device, the fixing mode is troublesome in installation, and the anchoring strength is limited.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fixed end of a prestressed carbon fiber plate device, and aims to solve the problems that in the background technology, a wedge-shaped clamping sheet and viscose glue are mostly adopted to fix a carbon fiber plate when an anchoring device fixes the carbon fiber plate in the installation process of the prestressed carbon fiber plate, the fixing mode is troublesome in installation, and the anchoring strength is limited.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a stiff end of prestressing force carbon fiber plate device, includes fixed plate and four unidimensional fixed stock, four the bottom of fixed stock all runs through the top of fixed plate, and four the equal threaded connection of outer wall of fixed stock has fastening nut, the U-shaped constant head tank has been seted up at the top of fixed plate, the rectangle through-hole has been seted up at the middle part of U-shaped constant head tank inner wall bottom, be equipped with the fibreboard body in the U-shaped constant head tank, the middle part at fixed plate top is equipped with the locating piece, the bottom of fixed plate can be dismantled and be connected with the mounting panel, the top of mounting panel is equipped with down the locating piece.

Preferably, the bottom of fixed plate and the position that is close to four corners all are equipped with fixed projection, four the bottom of fixed stock is respectively vertical runs through four fixed projection.

Preferably, the bottom of fixed plate and the position that is close to left side edge middle part have seted up two screw thread and have led to the groove, two equal threaded connection has the second fastening bolt in the screw thread leads to the groove, the locating hole of symmetric distribution is seted up at the top of the fiberboard body and the position that is close to the left side both ends, two the tip of second fastening bolt is located two respectively the locating hole.

Preferably, the bottom of the upper positioning block is provided with a plurality of upper conical bumps arranged in a matrix form.

Preferably, the shape and size of the lower positioning block are matched with those of the rectangular through hole, and a plurality of lower conical lugs arranged in a matrix form are arranged at the top of the lower positioning block.

Preferably, the bottom of mounting panel and the equal swing joint in position that is close to four corners have a fastening bolt, four fastening bolt's tip all passes the bottom of mounting panel and with the bottom threaded connection of fixed plate.

Compared with the prior art, the utility model has the beneficial effects that:

at the fixed end of the prestressed carbon fiber plate device, the top ends of four fixed anchor rods are embedded into a member to be reinforced and are respectively in threaded connection with the four fixed anchor rods through four fastening nuts, so that a fixed plate is fixed on the surface of the member, a fiber plate body is clamped and fixed through a lower positioning block and an upper positioning block, and the fiber plate body is further fixed through two second fastening bolts, so that one end of the fiber plate body is anchored, the operation mode is convenient and fast, and the installation of the prestressed carbon fiber plate is facilitated; through set up a plurality of toper lugs on the bottom at last locating piece, set up a plurality of toper lugs down at the top of locating piece down, can improve the clamping strength of locating piece and lower locating piece to the fiberboard body.

Drawings

FIG. 1 is a schematic overall first perspective view of the present invention;

FIG. 2 is a schematic view of an overall second perspective structure of the present invention;

FIG. 3 is a schematic diagram of a portion of the structure of the present invention;

FIG. 4 is a schematic cross-sectional view of a fixing plate and an upper positioning block according to the present invention;

FIG. 5 is a second partial schematic view of the present invention.

In the figure: the fixing plate comprises a fixing plate 1, a fixing convex column 10, a threaded through groove 11, a U-shaped positioning groove 12, a rectangular through hole 13, an upper positioning block 2, an upper conical projection 20, a fixing anchor rod 3, a mounting plate 4, a lower positioning block 40, a lower conical projection 400, a fiberboard body 5, a positioning hole 50, a first fastening bolt 7, a second fastening bolt 8 and a fastening nut 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-5, the present invention provides a technical solution:

a fixed end of a prestressed carbon fiber plate device comprises a fixed plate 1 and four fixed anchor rods 3 with the same size, wherein the bottom ends of the four fixed anchor rods 3 penetrate through the top of the fixed plate 1, and the outer walls of the four fixing anchor rods 3 are all in threaded connection with fastening nuts 9, the top ends of the four fixing anchor rods 3 are embedded into a member to be reinforced and are respectively in threaded connection with the four fixing anchor rods 3 through the four fastening nuts 9, thereby fixing the fixed plate 1 on the surface of the component, the top of the fixed plate 1 is provided with a U-shaped positioning groove 12, is used for installing a fiberboard body 5, a rectangular through hole 13 is arranged in the middle of the bottom of the inner wall of a U-shaped positioning groove 12, the fiberboard body 5 is arranged in the U-shaped positioning groove 12, an upper positioning block 2 is arranged in the middle of the top of a fixing plate 1, the bottom of the fixing plate 1 is detachably connected with an installation plate 4, a lower positioning block 40 is arranged at the top of the installation plate 4, the fiberboard body 5 is clamped and fixed by the lower positioning block 40 and the upper positioning block 2.

In this embodiment, the bottom of fixed plate 1 and the position that is close to four corners all are equipped with fixed projection 10, and four fixed projections 10 are vertically run through respectively to the bottom of four fixed stock 3, through the fixed projection 10 that sets up, can be convenient for constructor twists fastening nut 9.

It is specific, two screw thread through grooves 11 have been seted up to the bottom of fixed plate 1 and the position that is close to left side edge middle part, equal threaded connection has second fastening bolt 8 in two screw thread through grooves 11, the locating hole 50 of symmetric distribution has been seted up at the top of fiberboard body 5 and the position that is close to the left side both ends, the tip of two second fastening bolt 8 is located two locating holes 50 respectively, further fixed to fiberboard body 5 through two second fastening bolt 8, thereby make the one end of fiberboard body 5 anchored, this operating mode is convenient, be favorable to the installation of prestressing force carbon fiber board.

Further, the bottom of going up locating piece 2 is equipped with a plurality of last taper convex blocks 20 that are the matrix and arrange, the shape and size looks adaptation of the shape and size of lower locating piece 40 and rectangle through-hole 13, supply down locating piece 40 to pass the use, the top of lower locating piece 40 is equipped with a plurality of lower taper convex blocks 400 that are the matrix and arrange, set up a plurality of last taper convex blocks 20 through the bottom at last locating piece 2, set up a plurality of lower taper convex blocks 400 at the top of lower locating piece 40, can improve the clamping strength of last locating piece 2 and lower locating piece 40 to fiberboard body 5.

Further, the bottom of the mounting plate 4 and the position close to the four corners are movably connected with first fastening bolts 7, the end portions of the four first fastening bolts 7 penetrate through the bottom of the mounting plate 4 and are in threaded connection with the bottom of the fixing plate 1, the mounting plate 4 is fixed at the bottom of the fixing plate 1 through the four first fastening bolts 7, and therefore the lower positioning block 40 generates extrusion force on the fiber plate body 5.

When the fixed end of the prestressed carbon fiber plate device is used, a constructor firstly drills a hole on the surface of a member to be reinforced, then a mounting groove matched with the upper positioning block 2 is formed in the surface of the member to be reinforced, then the fixing anchor rod 3 is planted in the drilled hole, bar planting glue fully wraps the fixing anchor rod 3, the fixing anchor rod 3 is placed in the drilled hole in a clockwise rotation mode and cannot be disturbed during the curing process, then the fixing anchor rod is in threaded connection with the fixing anchor rod 3 through four fastening nuts 9, the fixing plate 1 is fixed on the surface of the member to be reinforced, the upper positioning block 2 is located in the mounting groove, then the constructor inserts one end, to be anchored, of the fiber plate body 5 into the U-shaped positioning groove 12, fixes the end portion of the fiber plate body 5 through two second fastening bolts 8, and then firmly fixes the mounting plate 4 at the bottom of the fixing plate 1 through four first fastening bolts 7, thereby make lower locating piece 40 and last locating piece 2 extrude fixedly to fiberboard body 5, this mounting means is convenient, and effectively improves fiberboard body 5's anchor intensity.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a stiff end of prestressing force carbon fiber plate device which characterized in that: including fixed plate (1) and four unidimensional fixed anchor pole (3), four the bottom of fixed anchor pole (3) all runs through the top of fixed plate (1), and four the equal threaded connection of outer wall of fixed anchor pole (3) has fastening nut (9), U-shaped constant head tank (12) have been seted up at the top of fixed plate (1), rectangle through-hole (13) have been seted up at the middle part of U-shaped constant head tank (12) inner wall bottom, be equipped with fibreboard body (5) in U-shaped constant head tank (12), the middle part at fixed plate (1) top is equipped with locating piece (2), the bottom of fixed plate (1) can be dismantled and be connected with mounting panel (4), the top of mounting panel (4) is equipped with down locating piece (40).

2. The fixed end of a prestressed carbon fiber sheet assembly as set forth in claim 1, wherein: the bottom of fixed plate (1) and the position that is close to four corners all are equipped with fixed projection (10), four the bottom of fixed stock (3) is vertical respectively to run through four fixed projection (10).

3. The fixed end of a prestressed carbon fiber sheet assembly as set forth in claim 1, wherein: the bottom of fixed plate (1) just is close to the position at left side edge middle part and has seted up two screw thread through groove (11), two equal threaded connection has second fastening bolt (8) in the screw thread through groove (11), locating hole (50) of symmetric distribution are seted up at the top of fiberboard body (5) and the position that is close to the left side both ends, two the tip of second fastening bolt (8) is located two respectively in locating hole (50).

4. The fixed end of a prestressed carbon fiber sheet assembly as set forth in claim 1, wherein: the bottom of the upper positioning block (2) is provided with a plurality of upper conical bumps (20) arranged in a matrix form.

5. The fixed end of a prestressed carbon fiber plate arrangement as claimed in claim 1, wherein: the shape and size of the lower positioning block (40) are matched with those of the rectangular through hole (13), and a plurality of lower conical bumps (400) arranged in a matrix form are arranged at the top of the lower positioning block (40).

6. The fixed end of a prestressed carbon fiber sheet assembly as set forth in claim 1, wherein: the bottom of mounting panel (4) and the equal swing joint in position that is close to four corners have first fastening bolt (7), four the tip of first fastening bolt (7) all pass the bottom of mounting panel (4) and with the bottom threaded connection of fixed plate (1).

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