CN211736481U

CN211736481U - Carbon fiber plate anchorage device

Info

Publication number: CN211736481U
Application number: CN201921473594.2U
Authority: CN
Inventors: 赵磊; 蔡宇祥
Original assignee: GUIZHOU ZHONGJIAN ARCHITECTURAL SCIENCE DESIGN INSTITUTE CO LTD
Current assignee: GUIZHOU ZHONGJIAN ARCHITECTURAL SCIENCE DESIGN INSTITUTE CO LTD; Guizhou China Construction Architecture Research and Design Institute Co Ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-10-23
Anticipated expiration: 2029-09-05

Abstract

The utility model discloses a carbon fiber plate anchorage device, which comprises a metal mounting frame fixed on the surface of a reinforced component and an anchoring component embedded in the mounting frame; the anchoring assembly comprises an anchoring sleeve and a core sleeve; the anchoring sleeve and the core sleeve are both of plate-shaped structures; an installation groove with an isosceles trapezoid longitudinal section is arranged in the anchoring sleeve; the longitudinal section of the core sleeve is of an isosceles trapezoid structure and can be matched with the mounting groove; a connecting through groove for enabling the carbon fiber plate to extend into is arranged in the core sleeve, and anchoring glue is injected into the connecting through groove, so that the carbon fiber plate is fixed in the core sleeve; the inner top surface and the inner bottom surface of the connecting through groove are evenly distributed with a plurality of anti-skidding teeth, the anchorage device can effectively clamp the carbon fiber plate, the anchoring performance is ensured, and the stress concentration of the carbon fiber plate is avoided.

Description

Carbon fiber plate anchorage device

Technical Field

The utility model discloses carbon fiber plate consolidates the field, in particular to carbon fiber plate ground tackle.

Background

In recent years, high-strength composite fiber materials such as carbon fiber sheets have been widely used in the field of reinforcement of civil engineering and construction work. Carbon fiber plates are generally adhered to the surface of a member to be reinforced to improve the strength of the member. If the carbon fiber plate is stretched and anchored on the surface of the member, the bending strength and the crack resistance of the member can be improved, the use efficiency of the composite fiber material can be improved, and the reinforcing cost can be reduced.

Adopt prestressing force reinforcement technique needs stretch-draw and anchor carbon fiber board, although carbon fiber board has higher tensile strength, its anti-shear property is poor, the anchor of being not convenient for, rely on traditional surface friction and bolt locking to realize carbon fiber board's centre gripping and anchor, the easy phenomenon such as the clamp is not tight, skid and bolt looseness appears, its operational reliability is relatively poor, in addition, when using current ground tackle anchor carbon fiber board, cause carbon fiber board stress concentration easily, influence carbon fiber board's ultimate strength and life.

Therefore, a carbon fiber plate anchorage device capable of effectively clamping a carbon fiber plate, ensuring anchoring performance and avoiding stress concentration of the carbon fiber plate is needed.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a can effectively press from both sides tight carbon fiber board, ensure anchor performance, avoid carbon fiber board stress concentration's carbon fiber board ground tackle.

The utility model discloses a carbon fiber plate anchorage device, which comprises a metal mounting frame fixed on the surface of a reinforced component and an anchoring component embedded in the mounting frame; the anchoring assembly comprises an anchoring sleeve and a core sleeve; the anchoring sleeve and the core sleeve are both of plate-shaped structures; an installation groove with an isosceles trapezoid longitudinal section is arranged in the anchoring sleeve; the longitudinal section of the core sleeve is of an isosceles trapezoid structure and can be matched with the mounting groove; a connecting through groove for enabling the carbon fiber plate to extend into is arranged in the core sleeve, and anchoring glue is injected into the connecting through groove, so that the carbon fiber plate is fixed in the core sleeve; the inner top surface and the inner bottom surface of the connecting through groove are evenly distributed with a plurality of anti-skidding teeth.

Furthermore, anti-skid nails are distributed on the segments of the carbon fiber plates in the core sleeve.

Furthermore, the mounting frame is provided with a limiting plate which can be longitudinally adjusted and then fastened to the mounting frame through a fastening piece; the limiting plate is used for abutting against the outer end face of the anchoring component;

further, the mounting frame is fixed on the surface of the reinforced member through an anchor bolt, and the surface of the reinforced member is provided with a groove for embedding the mounting frame and the anchoring assembly.

Furthermore, a sliding groove for mounting the limiting plate is arranged on the top surface of the mounting frame along the longitudinal direction; the limiting plate can be fixed to the sliding groove through a bolt; the bottom surface of the sliding chute is provided with a bolt mounting hole; the limiting plate is provided with a waist-shaped hole; and the bolt sequentially penetrates through the waist-shaped hole and the bolt mounting hole to be fastened.

Furthermore, flanges are arranged at the upper end and the lower end of each anti-skid stud and are fixed on the carbon fiber plate through the flanges.

Further, the depth of the groove is required to ensure that the carbon fiber plate is tightly attached to the surface of the reinforced component after the anchoring component is embedded.

The utility model has the advantages that: the utility model discloses a carbon fiber plate ground tackle, during the construction, fix the installing frame on the surface of the component that is consolidated earlier, then pack the core cover into the anchor cover, stretch into the connecting through groove of core cover with the one end of carbon fiber plate (the size of the width and the height dimension of connecting through groove should also be greater than the width and the thickness of carbon fiber plate), then inject anchor glue into the connecting through groove of core cover, after the anchor glue solidifies make carbon fiber plate and core cover reciprocal anchorage, and imbed the anchor cover in the installing frame, thereby realize the anchor of carbon fiber plate and the component surface that is consolidated; when the carbon fiber plate is tensioned, the anchoring sleeve is matched with the core sleeve through the inclined plane, so that the core sleeve cannot be separated from the anchoring sleeve. Meanwhile, the anti-slip teeth in the through grooves connected with the core sleeve can further improve the binding force between the anchoring adhesive and the core sleeve and improve the anchoring capability.

Drawings

The invention is further described with reference to the following figures and examples.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the gear of the present invention.

Reinforced component-1, anchor bolt-2, mounting frame-3, limit plate-4, bolt-5, waist-shaped hole-6, anchoring component-7, carbon fiber plate-8, groove-9, core sleeve-10, antiskid nail-11, anchoring adhesive-12 and anchoring sleeve-13

Detailed Description

Fig. 1 is a schematic structural view of the present invention, and as shown in the figure, the carbon fiber plate anchorage of the present embodiment includes a metal mounting frame 3 fixed on the surface of a reinforced member 1 and an anchoring assembly 7 embedded in the mounting frame 3; the anchoring assembly 7 comprises an anchoring sleeve 13 and a core sleeve 10; the metal mounting frame 3 is a rectangular frame, the size of the hole in the middle of the metal mounting frame should be slightly larger than the external size of the anchoring sleeve 13 (for example, the size of the inner hole of the rectangular frame may be 310 (long) × 310 (wide), and the external size of the anchoring sleeve 13 is 300 (long) × 300 (wide)), so as to ensure that the anchoring sleeve 13 can be smoothly embedded into the mounting frame 3; the anchoring sleeve 13 and the core sleeve 10 are both of plate-shaped structures; an installation groove with an isosceles trapezoid longitudinal section is arranged in the anchoring sleeve 13 (the longitudinal section refers to a plane perpendicular to the carbon fiber plate 8); the longitudinal section of the core sleeve 10 is of an isosceles trapezoid structure and can be matched with the mounting groove; a connecting through groove into which the carbon fiber plate 8 extends is formed in the core sleeve 10, and an anchoring adhesive 12 is injected into the connecting through groove, so that the carbon fiber plate 8 is fixed in the core sleeve 10; the inner top surface and the inner bottom surface of the connecting through groove are uniformly distributed with a plurality of anti-skidding teeth; during construction, the mounting frame 3 is fixed on the surface of the reinforced member 1, then the core sleeve 10 is installed in the anchoring sleeve 13, one end of the carbon fiber plate 8 extends into the connecting through groove of the core sleeve 10 (the size of the width and height of the connecting through groove is also larger than the width and thickness of the carbon fiber plate 8), then the anchoring adhesive 12 is injected into the connecting through groove of the core sleeve 10, after the anchoring adhesive 12 is solidified, the carbon fiber plate 8 and the core sleeve 10 are mutually fixed, and the anchoring sleeve 13 is embedded into the mounting frame 3, so that the anchoring of the carbon fiber plate 8 and the surface of the reinforced member 1 is realized; when the carbon fiber plate 8 is tensioned, the anchoring sleeve 13 is matched with the core sleeve 10 through the inclined surface, so that the core sleeve 10 cannot be separated from the anchoring sleeve 13. Meanwhile, the core sleeve 10 is connected with the anti-slip teeth in the through grooves, so that the binding force between the anchor glue 12 and the core sleeve 10 can be further improved, and the anchoring capability is improved.

In a preferred embodiment, anti-skid nails 11 are distributed on the segments of the carbon fiber plate 8 in the core sleeve 10, hole sites can be pre-drilled on the segments of the carbon fiber plate 8 near the end, the anti-skid nails 11 are loaded into the hole sites, and the anti-skid nails 11 can further improve the binding force between the anchor glue 12 and the carbon fiber plate 8, and further improve the anchoring capability. The upper end and the lower end of the anti-skid stud 11 are both provided with a flange, the anti-skid stud is fixed on the carbon fiber plate 8 through the flange, in the embodiment, the bolt 5 can be adopted as the anti-skid stud 11, and the head of the bolt 5 and the nut respectively form a flange structure.

In a preferred embodiment, the mounting frame 3 is provided with a limiting plate 4 which can be longitudinally adjusted and then fastened to the mounting frame 3 through a fastener; the limiting plate 4 is used for abutting against the outer end face of the anchoring component 7; the top surface of the mounting frame 3 is longitudinally provided with a chute for mounting the limiting plate 4; the limiting plate 4 can be fixed on the chute through a bolt 5; the bottom surface of the sliding chute is provided with a bolt 5 mounting hole; the limiting plate 4 is provided with a kidney-shaped hole 6; the bolt 5 sequentially penetrates through the waist-shaped hole 6 and the bolt 5 mounting hole to be fastened; before the anchor sleeve 13 is embedded into the mounting frame 3, the bolt 5 should be loosened to avoid the mutual interference between the fiberboard and the anchor sleeve 13, and after the anchor sleeve 13 is embedded into the mounting frame 3, the limiting plate 4 is slid to the end of the anchor sleeve 13 or the core sleeve 10 opposite to the tensioning direction to be abutted, so that the anchor assembly 7 can be effectively prevented from being separated from the mounting frame 3. Of course, a slot can be processed on the end face of the anchoring sleeve 13 or the core sleeve 10, so that the limiting plate 4 can be clamped into the slot, and the anchoring assembly 7 is prevented from being separated to the greatest extent.

In the preferred embodiment, the mounting frame 3 is fixed to the surface of the reinforced member 1 by the anchor bolts 2, and the surface of the reinforced member 1 is provided with the grooves 9 for embedding the mounting frame 3 and the anchoring assemblies 7, so that the mounting frame 3 is "hidden" on the surface of the reinforced member 1.

In a preferred embodiment, the depth of the groove 9 is such that the carbon fiber plate 8 is pressed against the surface of the member 1 to be reinforced after the anchoring element 7 has been inserted.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A carbon fiber plate ground tackle which characterized in that: the device comprises a metal mounting frame fixed on the surface of a reinforced member and an anchoring assembly embedded in the mounting frame; the anchoring assembly comprises an anchoring sleeve and a core sleeve; the anchoring sleeve and the core sleeve are both of plate-shaped structures; an installation groove with an isosceles trapezoid longitudinal section is arranged in the anchoring sleeve; the longitudinal section of the core sleeve is of an isosceles trapezoid structure and can be matched with the mounting groove; a connecting through groove for enabling the carbon fiber plate to extend into is arranged in the core sleeve, and anchoring glue is injected into the connecting through groove, so that the carbon fiber plate is fixed in the core sleeve; the inner top surface and the inner bottom surface of the connecting through groove are evenly distributed with a plurality of anti-skidding teeth.

2. The carbon fiber plate anchor of claim 1, wherein: and anti-skid nails are distributed on the sections of the carbon fiber plates in the core sleeve.

3. The carbon fiber plate anchor of claim 2, wherein: the mounting frame is provided with a limiting plate which can be longitudinally adjusted and then fastened to the mounting frame through a fastener; the limiting plate is used for abutting against the outer end face of the anchoring component.

4. The carbon fiber plate anchor of claim 3, wherein: the mounting frame is fixed on the surface of the reinforced component through an anchor bolt, and the surface of the reinforced component is provided with a groove for embedding the mounting frame and the anchoring assembly.

5. The carbon fiber plate anchor of claim 3, wherein: the top surface of the mounting frame is longitudinally provided with a sliding chute for mounting the limiting plate; the limiting plate can be fixed to the sliding groove through a bolt; the bottom surface of the sliding chute is provided with a bolt mounting hole; the limiting plate is provided with a waist-shaped hole; and the bolt sequentially penetrates through the waist-shaped hole and the bolt mounting hole to be fastened.

6. The carbon fiber plate anchor of claim 3, wherein: flanges are arranged at the upper end and the lower end of each anti-skid stud and are fixed on the carbon fiber plate through the flanges.

7. The carbon fiber plate anchor of claim 4, wherein: the depth of the groove is required to ensure that the carbon fiber plate is tightly attached to the surface of the reinforced component after the anchoring component is embedded.