CN218990674U

CN218990674U - Prestressed carbon fiber reinforced plastic cable anchorage

Info

Publication number: CN218990674U
Application number: CN202223246068.7U
Authority: CN
Inventors: 刘婷; 陆晓峰
Original assignee: Shanghai Urban Construction Vocational College
Current assignee: Shanghai Urban Construction Vocational College
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-05-09
Anticipated expiration: 2032-12-05

Abstract

The utility model relates to the technical field of civil engineering, and discloses a prestress carbon fiber reinforced plastic rope anchorage device, which comprises: the pull rod, the lower extreme cover of pull rod is equipped with the sleeve pipe, sheathed tube lower extreme riveting has the chassis, carbon fiber plastic cable has been worn to have in the middle part of chassis, the concrete chamber has been seted up to sheathed tube inside, first pouring hole has been seted up to sheathed tube one side upper end outer wall, the second pouring hole has been seted up to the lower extreme outer wall of first pouring hole one side. The prestress carbon fiber reinforced plastic rope anchorage device is provided with the steel cylinder, the binding area between the prestress carbon fiber reinforced plastic rope anchorage device and injected concrete is increased through the thread-shaped convex patterns arranged on the outer wall, when the carbon fiber plastic rope is pulled by traction force, the friction force between the convex pattern side surface and the solidified concrete is increased, the concrete pouring volume close to one side of the steel cylinder can be adjusted according to the size of the carbon fiber plastic rope, and the tensile and tearing capacities of the carbon fiber plastic ropes with different specifications and sizes can be guaranteed through adjusting the position of the partition plate.

Description

Prestressed carbon fiber reinforced plastic cable anchorage

Technical Field

The utility model relates to the technical field of civil engineering, in particular to a prestress carbon fiber reinforced plastic rope anchorage device.

Background

One of the most widely applied structural types in the field of engineering construction in China is a structural type which is formed by taking concrete as a main body and configuring steel bars in different forms and prestressed tendons, and the carbon fiber reinforced plastic which is emerging in recent years is used as an optimized substitute for the prestressed steel bars, so that the problem of corrosion of the prestressed steel bars in an exposed environment is well solved.

Through searching, there is a major diameter prestressed carbon fiber reinforced plastic cable anchor with the publication number of CN212743146U, which comprises a tensioning pull rod, a tensioning connecting piece and a hollow steel pipe, and is used for solving the problem that the major diameter carbon fiber reinforced plastic cable is not damaged by adhesion when being pulled out of the steel pipe during tensioning.

Disclosure of Invention

The utility model aims to provide a prestress carbon fiber reinforced plastic cable anchorage device for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a prestressed carbon fiber reinforced plastic cable anchor comprising:

the lower end of the pull rod is sleeved with a sleeve, the lower end of the sleeve is riveted with a chassis, the middle of the chassis is penetrated with a carbon fiber plastic rope, a concrete cavity is formed in the sleeve, a first pouring hole is formed in the outer wall of the upper end of one side of the sleeve, a second pouring hole is formed in the outer wall of the lower end of one side of the first pouring hole, and plugging bolts are arranged in the first pouring hole and the second pouring hole;

the baffle, it is fixed the pull rod is close to sheathed tube one end outer wall, the water conservancy diversion hole has been seted up to the both sides outer wall of baffle, the lower extreme outer wall of baffle is fixed with the steel cylinder, the outer wall of steel cylinder is provided with the burr of screw form, and the carbon fiber plastic cable is close to telescopic one end and connect the upper end inner wall of steel cylinder.

Preferably, the baffle forms sliding connection through between pull rod and the sleeve pipe, and the water conservancy diversion hole sets up with the axis position symmetry of baffle to first pouring hole forms the intercommunication connection through water conservancy diversion hole and concrete chamber and second pouring hole between.

Preferably, the convex patterns are uniformly distributed along the outer wall of the steel cylinder, and the carbon fiber plastic cables are communicated with the concrete cavity through the steel cylinder.

Preferably, an annular baffle is fixed on the inner wall of the upper end of the chassis, an adhesive layer is coated at the joint of the chassis and the lower surface of the sleeve, and a limiting ring is arranged at the joint of the middle part of the chassis and the carbon fiber plastic rope in a surrounding manner.

Preferably, the chassis is in clamping connection with the sleeve through the baffle, the chassis is in viscous connection with the sleeve through the adhesive layer, and the chassis is in clamping connection with the carbon fiber plastic rope through the limiting ring.

Preferably, the top of the pull rod is internally provided with a rotating rod in a penetrating way through a bearing, and two ends of the rotating rod are fixedly provided with rotating buckles.

Preferably, a detachable structure is formed between the rotating rod and the pull rod, and the rotating buckle is connected with the pull rod in a rotating way through the rotating rod.

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

the prestress carbon fiber reinforced plastic rope anchorage device is provided with the steel cylinder, the binding area between the prestress carbon fiber reinforced plastic rope anchorage device and injected concrete is increased through the thread-shaped convex patterns arranged on the outer wall, when the carbon fiber plastic rope is pulled by traction force, the friction force between the convex pattern side surface and the solidified concrete is increased, the concrete pouring volume close to one side of the steel cylinder can be adjusted according to the size of the carbon fiber plastic rope, and the tensile and tearing capacities of the carbon fiber plastic ropes with different specifications and sizes can be guaranteed through adjusting the position of the partition plate.

Drawings

FIG. 1 is a schematic view of a combined state front view structure of the present utility model;

FIG. 2 is a schematic view of a partial cross-sectional structure of a sleeve according to the present utility model;

FIG. 3 is an enlarged schematic view of the front view of the chassis part of the present utility model;

fig. 4 is an enlarged schematic view of the rotating buckle part of the present utility model.

In the figure: 1. a pull rod; 2. a sleeve; 3. a chassis; 4. carbon fiber plastic rope; 5. a concrete cavity; 6. a first perfusion aperture; 7. a second perfusion hole; 8. plugging the bolts; 9. a partition plate; 10. a deflector aperture; 11. a steel cylinder; 12. a relief; 13. an adhesive layer; 14. a baffle; 15. a limiting ring; 16. a rotating rod; 17. and (5) rotating the buckle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The present utility model provides a prestressed carbon fiber reinforced plastic cable anchor, see fig. 1-2, comprising: the concrete pouring device comprises a pull rod 1, wherein a sleeve 2 is sleeved at the lower end of the pull rod 1, a chassis 3 is riveted at the lower end of the sleeve 2, a carbon fiber plastic rope 4 is penetrated in the middle of the chassis 3, a concrete cavity 5 is formed in the sleeve 2, a first pouring hole 6 is formed in the outer wall of the upper end of one side of the sleeve 2, a second pouring hole 7 is formed in the outer wall of the lower end of one side of the first pouring hole 6, the first pouring hole 6 is communicated with the second pouring hole 7 through a diversion hole 10 and the concrete cavity 5, blocking bolts 8 are arranged in the first pouring hole 6 and the second pouring hole 7, and the blocking bolts 8 are used for blocking the concrete cavity 5 after the concrete pouring is completed so that the concrete can be well solidified in the concrete cavity 5; the baffle plate 9 is fixed on the outer wall of one end of the pull rod 1, which is close to the sleeve 2, the baffle plate 9 is connected with the sleeve 2 in a sliding way through the pull rod 1, the outer walls of the two sides of the baffle plate 9 are provided with the diversion holes 10, the diversion holes 10 are symmetrically arranged relative to the central axis of the baffle plate 9, and the diversion holes 10 are convenient for diversion when the concrete poured on one side of the baffle plate 9 is over-pressed, so that the over-pressing rupture of one end of the sleeve 2 is prevented; the steel cylinder 11 is fixed on the outer wall of the lower end of the partition plate 9, the threaded protruding lines 12 are arranged on the outer wall of the steel cylinder 11, one end, close to the sleeve, of the carbon fiber plastic rope 4 is connected to the inner wall of the upper end of the steel cylinder 11, the protruding lines 12 are evenly distributed along the outer wall of the steel cylinder 11, the carbon fiber plastic rope 4 is connected with the concrete cavity 5 in a communicating mode, the steel cylinder 11 is arranged through the threaded protruding lines 12 arranged on the outer wall, the bonding area between the carbon fiber plastic rope 4 and injected concrete is increased, when the carbon fiber plastic rope 4 is pulled by traction force, friction force between the side surface of the protruding lines 12 and the solidified concrete is increased, and the concrete pouring volume, close to one side of the steel cylinder 11, can be adjusted according to the size of the carbon fiber plastic rope 4 through adjusting the position of the partition plate 9, and accordingly the tensile pulling capacity of the carbon fiber plastic rope 4 with different specifications can be guaranteed.

Referring to fig. 3, a prestressed carbon fiber reinforced plastic cable anchor includes: an annular baffle plate 14 is fixed on the inner wall of the upper end of the chassis 3, the chassis 3 is connected with the sleeve 2 in a clamping way through the baffle plate 14, an adhesive layer 13 is coated at the joint of the chassis 3 and the lower surface of the sleeve 2, the chassis 3 is connected with the sleeve 2 in a sticky way through the adhesive layer 13, the adhesive layer 13 made of epoxy resin can well adhere the chassis 3 and the sleeve 2, gaps at the joint can be well blocked after solidification, and leakage of filled concrete is prevented; the limiting ring 15 is arranged at the joint of the middle part of the chassis 3 and the carbon fiber plastic rope 4 in a ring mode, the chassis 3 is connected with the carbon fiber plastic rope 4 in a clamping mode through the limiting ring 15, the limiting ring 15 can enable the carbon fiber plastic rope 4 to be kept stable in the middle part of the chassis 3 through tightening the carbon fiber plastic rope 4, and the carbon fiber plastic rope 4 is not easy to slide to influence the anchoring stability of the carbon fiber plastic rope 4.

Referring to fig. 1 and 4, a prestressed carbon fiber reinforced plastic rope anchorage device, comprising: the top of pull rod 1 is inside to wear to be equipped with bull stick 16 through the bearing, constitutes detachable construction between bull stick 16 and the pull rod 1, and the both ends of bull stick 16 are fixed with and rotate knot 17, and rotate and detain 17 and constitute the rotation through between bull stick 16 and the pull rod 1 and be connected, and the rotation that sets up detains 17 can rotate at pull rod 1 top through bull stick 16, and the constructor of being convenient for uses instrument such as hawser to pull rod 1, and the traction angle is convenient for adjust, and the suitability in different construction environment is better.

Working principle: for the prestress carbon fiber reinforced plastic cable anchorage, firstly, the carbon fiber plastic cable 4 to be anchored is penetrated in the middle part of the chassis 3, the base plate 3 is bonded with the sleeve 2 through the adhesive layer 13 by the clamping and strengthening of the limiting ring 15, and is connected and reinforced with the sleeve 2 through the clamping and riveting of the annular baffle 14, the chassis 3 is prevented from falling off, one end of the carbon fiber plastic rope 4 close to the sleeve 2 is fixed on the inner wall of the steel cylinder 11 at the lower end of the baffle 9, constructors can slide the pull rod 1 at one end of the sleeve 2 according to the specification and the size of the carbon fiber plastic rope 4 to be anchored, the depth of the baffle plate 9 at one end of the pull rod 1 in the sleeve 2 is adjusted, after the adjustment, a constructor unscrews the plugging bolt 8 arranged in the first pouring hole 6, while keeping the depth of the partition plate 9, pouring enough concrete into one end of the concrete cavity 5 close to the pull rod 1, then screwing the blocking bolt 8 into the first pouring hole 6 by constructors to prevent the concrete in the first pouring hole 6 from overflowing, opening the blocking bolt 8 in the second pouring hole 7, concrete is injected into the concrete cavity 5 near one end of the carbon fiber plastic rope 4 through the second pouring hole 7, so that the inside and the surface of the steel cylinder 11 are filled with concrete, and the concrete at two sides of the baffle plate 9 can conduct overpressure diversion through the diversion holes 10 to prevent the overpressure expansion of one end of the sleeve 2, the solidified concrete can better fix the position of the pull rod 1, and the spiral convex lines 12 on the surface of the steel cylinder 11 are used for better fixing the steel cylinder 11, and finally the top end of the pull rod 1 is penetrated with a rotatable rotating rod 16 through a bearing, and the rotating buckles 17 fixed at the two ends of the rotating rod 16 enable the pulling angle of the pull rod 1 to be effectively adjusted, so that the pull rod has better applicability under different construction environments.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A prestressed carbon fiber reinforced plastic rope anchor, comprising:

the novel concrete pouring device comprises a pull rod (1), wherein a sleeve (2) is sleeved at the lower end of the pull rod (1), a chassis (3) is riveted at the lower end of the sleeve (2), a carbon fiber plastic rope (4) is penetrated in the middle of the chassis (3), a concrete cavity (5) is formed in the sleeve (2), a first pouring hole (6) is formed in the outer wall of one side upper end of the sleeve (2), a second pouring hole (7) is formed in the outer wall of the lower end of one side of the first pouring hole (6), and plugging bolts (8) are respectively arranged in the first pouring hole (6) and the second pouring hole (7);

baffle (9), it is fixed pull rod (1) is close to the one end outer wall of sleeve pipe (2), water conservancy diversion hole (10) have been seted up to the both sides outer wall of baffle (9), the lower extreme outer wall of baffle (9) is fixed with steel cylinder (11), the outer wall of steel cylinder (11) is provided with burr (12) of screw form, and carbon fiber plastic cable (4) are close to telescopic one end and connect the upper end inner wall of steel cylinder (11).

2. A prestressed carbon fiber reinforced plastic cable anchorage as claimed in claim 1, wherein: the partition board (9) is in sliding connection with the sleeve (2) through the pull rod (1), the diversion holes (10) are symmetrically arranged on the central axis of the partition board (9), and the first pouring holes (6) are in communication connection with the second pouring holes (7) through the diversion holes (10) and the concrete cavity (5).

3. A prestressed carbon fiber reinforced plastic cable anchorage as claimed in claim 1, wherein: the convex patterns (12) are uniformly distributed along the outer wall of the steel cylinder (11), and the carbon fiber plastic cables (4) are communicated with the concrete cavity (5) through the steel cylinder (11).

4. A prestressed carbon fiber reinforced plastic cable anchorage as claimed in claim 1, wherein: the inner wall of the upper end of the chassis (3) is fixedly provided with an annular baffle (14), the joint of the chassis (3) and the lower surface of the sleeve (2) is coated with an adhesive layer (13), and the joint of the middle part of the chassis (3) and the carbon fiber plastic rope (4) is annularly provided with a limiting ring (15).

5. The prestressed carbon fiber reinforced plastic cable anchorage of claim 4, wherein: the chassis (3) is connected with the sleeve (2) in a clamping way through the baffle (14), the chassis (3) is connected with the sleeve (2) in a sticky way through the adhesive layer (13), and the chassis (3) is connected with the carbon fiber plastic rope (4) in a clamping way through the limiting ring (15).

6. A prestressed carbon fiber reinforced plastic cable anchorage as claimed in claim 1, wherein: the rotary rod (16) is arranged in the top end of the pull rod (1) in a penetrating mode through a bearing, and rotary buckles (17) are fixed at two ends of the rotary rod (16).

7. The prestressed carbon fiber reinforced plastic cable anchorage of claim 6, wherein: a detachable structure is formed between the rotating rod (16) and the pull rod (1), and the rotating buckle (17) is in rotating connection with the pull rod (1) through the rotating rod (16).