CN219012665U

CN219012665U - Tension anchor rod for building engineering

Info

Publication number: CN219012665U
Application number: CN202223478263.2U
Authority: CN
Inventors: 黄龙; 汤政达; 许勇其; 汤思佳
Original assignee: Guoyi Road Construction Co ltd
Current assignee: Guoyi Road Construction Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-12
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses a tension anchor rod for construction engineering, which comprises a grouting anchor rod sleeve and a bearing anchor rod, wherein an anchor groove is formed in the middle of one end of the grouting anchor rod sleeve, an attaching part is fixedly arranged at the periphery of one end of the grouting anchor rod sleeve, an outer hexagonal head is fixedly arranged at one end of the attaching part, the bearing anchor rod extending to the outer part of the outer hexagonal head is arranged in the anchor groove, and the bearing anchor rod comprises a bearing rod part and a threaded rod part, and the threaded rod part is fixedly arranged at one end of the bearing rod part.

Description

Tension anchor rod for building engineering

Technical Field

The utility model relates to the technical field of tension anchors, in particular to a tension anchor for construction engineering.

Background

In construction engineering construction, a tension anchor is an engineering component that uses tension generated by a ground bearing structure and applied prestress to strengthen unstable parts of a rock mass in a construction area or to establish effective support for the structure. The anchor rod is arranged in the stratum, transmits tension force to a stable or proper rock-soil body, forms a new composite body with the rock-soil body, and is a key for solving the problem of low tensile capacity of surrounding rock, so that the bearing capacity of the rock-soil body is greatly enhanced, and the anchor rod has wide application in the field of building engineering construction. A common tension bolt is, for example, a 7 tension bolt with application number 202020283034, which uses a flat end to perform expansion reinforcement, and although the flat end can play a role in preventing and reinforcing, the flat end is not convenient for the bolt to drill into the rock and soil, and the expansion is uneven, and the tension is not enough.

The existing tension anchor rod is inconvenient to assemble and use, simultaneously the expansion reinforcing part is single, the bearing force is uneven, and the bearing tension is relatively insufficient.

Disclosure of Invention

The utility model aims to provide a tension anchor rod for constructional engineering, which solves the problems that the existing tension anchor rod in the prior art is inconvenient to assemble and use, and meanwhile, the expansion and reinforcement parts are single, the bearing force is uneven and the bearing tension is relatively insufficient.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a tension anchor for building engineering, includes grout stock sleeve and load-bearing anchor rod, the anchor groove has been seted up at the middle part of grout stock sleeve one end, the peripheral fixed laminating piece that is provided with of grout stock sleeve one end, the fixed outer hexagonal head that is provided with of one end of laminating piece, the inside of anchor groove is equipped with the load-bearing anchor rod that extends to outer hexagonal head outside, load-bearing anchor rod includes load-bearing rod portion and threaded rod portion, the fixed threaded rod portion that is provided with of one end of load-bearing rod portion, the fixed surface of load-bearing rod portion is provided with a plurality of evenly distributed's expansion heads, threaded rod portion's middle part threaded connection has lock nut, adopts grout stock sleeve and load-bearing anchor rod cooperation to use, and the end sets up the tap to for the assembly of attacking of stock has provided convenience, is equipped with evenly distributed's expansion head on the anchor rod, can make stock sleeve evenly expand in rock soil after boring the stock, and the cooperation is gone into the screw tooth and is attacked, thereby can improve the stability after the assembly by a wide margin, is difficult for loosening, bears the tension and is stronger.

Preferably, the periphery of the grouting anchor rod sleeve is provided with uniformly distributed tapping screws, and the grouting anchor rod sleeve is convenient to assemble and use.

Preferably, a grouting cavity is formed in the periphery of the inner wall of the grouting anchor rod sleeve, a grouting hole communicated with the inside of the grouting cavity is formed in one side of the attaching piece, a sealing piece is connected to the outer side of the grouting hole in a clamping mode, and the grouting is tight and reliable after grouting, so that the anchor rod is prevented from loosening.

Preferably, a plurality of grout outlet holes communicated with the inside of the grouting cavity are formed in the surface of the grouting anchor rod sleeve, so that the stability after assembly can be improved.

Preferably, the other end of the grouting anchor rod sleeve is fixedly provided with an attack cone, so that convenience is brought to the attack assembly of the anchor rod.

Preferably, one end of the threaded rod portion is fixedly provided with a tension ring, so that the anchor rod can be assembled and used conveniently and rapidly.

Compared with the prior art, the utility model has the beneficial effects that: this pulling force stock adopts grout stock sleeve and load-bearing anchor pole cooperation to use, and the end sets up and attacks the awl to for the anchor bar attack into the assembly and provide convenience, be equipped with evenly distributed's expansion head on the anchor pole, can make stock sleeve evenly expand chucking in the ground after boring into the stock, the cooperation attacks screw thread and grout, thereby can improve the stability after the stock assembly by a wide margin, be difficult for becoming flexible to drop, it is stronger to bear the weight of the pulling force, safety and stability.

Drawings

FIG. 1 is a front cross-sectional view of a tension bolt of the present utility model;

FIG. 2 is a front cross-sectional view of a load bearing anchor rod of the present utility model;

FIG. 3 is a front cross-sectional view of the grouting bolt sleeve of the present utility model;

fig. 4 is an enlarged view of a portion a of the present utility model.

In the figure: 1. grouting an anchor rod sleeve; 2. a fitting member; 3. a load bearing anchor rod; 31. a force-bearing rod part; 32. a threaded rod portion; 33. a tension ring; 34. a lock nut; 35. an expansion head; 4. tapping the cone; 5. an outer hexagonal head; 6. grouting holes; 7. tapping into the screw thread; 8. grouting cavities; 9. a pulp outlet hole; 10. an anchor groove; 11. a closure.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-4, the utility model provides a tension anchor for construction engineering, which comprises a grouting anchor sleeve 1 and a bearing anchor rod 3, wherein an anchor groove 10 is formed in the middle of one end of the grouting anchor sleeve 1, an attaching piece 2 is fixedly arranged at the periphery of one end of the grouting anchor sleeve 1, an outer hexagonal head 5 is fixedly arranged at one end of the attaching piece 2, the bearing anchor rod 3 extending to the outside of the outer hexagonal head 5 is arranged in the anchor groove 10, the bearing anchor rod 3 comprises a bearing anchor rod part 31 and a threaded rod part 32, the threaded rod part 32 is fixedly arranged at one end of the bearing anchor rod part 31, a plurality of uniformly distributed expansion heads 35 are fixedly arranged on the surface of the bearing anchor rod part 31, a locking nut 34 is connected to the middle thread of the threaded rod part 32, uniformly distributed tapping threads 7 are arranged at the periphery of the grouting anchor sleeve 1, a grouting cavity 8 is formed at the periphery of the inner wall of the grouting anchor sleeve 1, a grouting hole 6 communicated with the inside of the grouting cavity 8 is formed at one side of the attaching piece 2, a sealing piece 11 is connected to the outer side of the grouting hole 6 in a clamping manner, a plurality of tapping holes 9 which are formed in the surface of the grouting sleeve 1 and are communicated with the inside of the grouting cavity 8, a plurality of the grouting holes 9 are formed at the other end of the grouting sleeve 1, the other end is fixedly and can be tapped into the anchor sleeve 33 in a large-shaped rock anchor rod, the uniform tension is matched with the anchor rod, the tension sleeve 33 is more stably and is firmly, and is firmly beaten, and stably-beared, and the tension is stably and stably beaten into the anchor, and has the tension and is fixed.

When the embodiment of the application is used, the following steps are adopted: drilling a hole matched with the grouting anchor sleeve 1 at a to-be-constructed part by using drilling equipment, enabling the tapping cone 4 to face the hole, clamping the grouting anchor sleeve 1 on the outer hexagonal head 5 by using a spanner, drilling a tension anchor into the hole, matching the grouting anchor sleeve 1 with the bearing anchor rod 3, setting the tapping cone 4 and the tapping screw teeth 7, thereby providing convenience for the tapping assembly of the anchor, saving more labor and convenience, taking down the sealing member 11 after the grouting anchor sleeve 1 is tapped, filling anchoring slurry into the grouting cavity 8 by using the grouting equipment through the grouting holes 6 and flowing out of the grouting holes 9, filling and reinforcing the grouting anchor sleeve 1 between the holes, and then holding the tension ring 33 by a worker to prevent the bearing anchor rod 3 from rotating, screwing the locking nut 34.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a pulling force stock for building engineering, includes grout stock sleeve (1) and load-bearing anchor rod (3), its characterized in that: the utility model discloses a grouting anchor rod sleeve, including anchor rod, anchor groove (10) have been seted up at the middle part of grouting anchor rod sleeve (1) one end, the peripheral fixed laminating piece (2) that is provided with of grouting anchor rod sleeve (1) one end, the fixed outer hexagonal head (5) that are provided with of one end of laminating piece (2), the inside of anchor groove (10) is equipped with and extends to outer hexagonal head (5) outside bearing anchor rod (3), bearing anchor rod (3) include bearing rod portion (31) and threaded rod portion (32), the fixed threaded rod portion (32) that is provided with of one end of bearing rod portion (31), the fixed surface of bearing rod portion (31) is provided with a plurality of evenly distributed's expansion head (35), the middle part threaded connection of threaded rod portion (32) has lock nut (34).

2. A tension anchor for construction according to claim 1, wherein: the periphery of the grouting anchor rod sleeve (1) is provided with uniformly distributed tapping screws (7).

3. A tension anchor for construction according to claim 1, wherein: the grouting device is characterized in that a grouting cavity (8) is formed in the periphery of the inner wall of the grouting anchor rod sleeve (1), a grouting hole (6) communicated with the inside of the grouting cavity (8) is formed in one side of the attaching piece (2), and a sealing piece (11) is connected to the outer side of the grouting hole (6) in a clamping mode.

4. A tension anchor for construction according to claim 1, wherein: the surface of the grouting anchor rod sleeve (1) is provided with a plurality of grout outlet holes (9) communicated with the inside of the grouting cavity (8).

5. A tension anchor for construction according to claim 1, wherein: the other end of the grouting anchor rod sleeve (1) is fixedly provided with an attack cone (4).

6. A tension anchor for construction according to claim 1, wherein: one end of the threaded rod part (32) is fixedly provided with a tension ring (33).