CN216041136U - Self-expanding anchor head structure capable of achieving quick driving locking - Google Patents
Self-expanding anchor head structure capable of achieving quick driving locking Download PDFInfo
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- CN216041136U CN216041136U CN202122368749.XU CN202122368749U CN216041136U CN 216041136 U CN216041136 U CN 216041136U CN 202122368749 U CN202122368749 U CN 202122368749U CN 216041136 U CN216041136 U CN 216041136U
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Abstract
The utility model belongs to the technical field of anchor heads of anchor cables and anchor rods, discloses a self-expanding anchor head structure capable of quickly driving into a lock, and aims to solve the problems of poor anti-pulling capacity and high construction cost caused by the fact that the bottoms of the anchor cables and the anchor rods cannot be fastened. The connecting part comprises a connecting part, wherein a blind hole is formed in one end, facing the bottom of an anchor hole, of the connecting part, at least two wedge-shaped parts are arranged at one end, facing the anchor hole, of the connecting part, the blind hole is provided with an extrusion part which is used for being extruded into the blind hole, enabling the wedge-shaped parts to deform and extend into a soil body or a rock body, the outer diameter of the connecting part is matched with the inner diameter of the anchor hole, and the outer diameter of the extrusion part is smaller than the outer diameter of the anchor hole, so that the wedge-shaped parts can extend into a gap between the extrusion part and the anchor hole. The utility model can improve the anti-pulling capacity of the anchor cable or the anchor rod and greatly reduce the construction cost.
Description
Technical Field
The utility model belongs to the technical field of anchor heads of anchor cables and anchor rods, and particularly relates to a self-expanding anchor head structure capable of achieving quick driving locking.
Background
Anchor cables and anchor rods are generally fastened to concrete by using anchor heads or clamps for the outer portions (portions extending out of anchor holes) of the anchor cables and anchor rods during construction, and the bottom portions (i.e., the bottom portions of the anchor cables and anchor rods located in the anchor holes) of the anchor cables and anchor rods are generally integrated with a bearing layer (soil or rock) through poured concrete, which has the following problems in use:
1. the anchor cable and the anchor rod are limited in anti-pulling capacity only by means of the fact that the anchor cable, the anchor rod and the concrete form a whole with the bearing layer through adhesion force, and in order to meet the anti-pulling requirement, the anchor hole needs to be arranged deeper, so that construction cost is high.
2. When the anchor cable is used, the anchor cable still cannot be in a linear state although the anchor cable has certain gravity for the steel strand, so that the waste of the anchor cable is caused, and most importantly, the application of subsequent prestress is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems of poor anti-pulling capacity and high construction cost caused by the fact that the bottoms of an anchor rope and an anchor rod cannot be fastened, and provides a quick-driving-in locking self-expanding anchor head structure which can fasten the bottoms of the anchor rod and the anchor rope in an anchor hole, so that an expanded head is automatically formed at the bottom of the anchor hole, the anti-pulling capacity of the anchor rod and the anchor rope is improved, and meanwhile, the self-expanding anchor head structure has the characteristic of convenience in construction.
In order to solve the technical problem, the technical scheme adopted by the utility model is as follows:
the utility model provides a hit locked from expanding anchor head structure fast for the connection is in the bottom of stretching into anchor rope or stock in the anchor eye, its characterized in that, including being used for the connecting portion of being connected with anchor rope or stock, the blind hole has been seted up and the one end of connecting portion orientation anchor eye bottom has two at least wedge portions to connecting portion one end towards the anchor eye bottom, the blind hole sets and is used for crowded blind hole and makes wedge portion take place to warp and stretch into the extrusion portion in the soil body or the rock mass, the external diameter of connecting portion and the internal diameter mutual adaptation in anchor eye, the external diameter of extrusion portion is less than the external diameter in anchor eye makes wedge portion can stretch into the clearance between extrusion portion and the anchor eye.
In some embodiments, one end of the connecting portion facing the bottom of the anchor hole is provided with two wedge-shaped portions distributed up and down, the blind hole is a wedge-shaped hole, and one end of the extrusion portion facing the connecting portion is provided with a tip matched with the wedge-shaped hole.
In some embodiments, the connecting portion is cylindrical, a plurality of wedge-shaped portions are uniformly arranged on the outer wall of the connecting portion, the blind hole is pyramid-shaped, and one end, facing the connecting portion, of the extruding portion is provided with a pyramid matched with the blind hole.
In some embodiments, a connecting rod is connected between the pressing part and the connecting part, and the hardness of the connecting rod is smaller than that of the wedge-shaped part.
In some embodiments, an arc-shaped groove is further formed in one side of the connecting part facing the anchor hole.
Compared with the prior art, the utility model has the following beneficial effects:
the quick-driving locked self-expanding anchor head structure comprises a connecting part, an extrusion part, a connecting part, an anchor bolt, an anchor hole, a connecting part and a bolt, wherein the connecting part is arranged at the bottom of the anchor hole, the extrusion part and the connecting part are arranged in the anchor hole, the connecting part is arranged at the bottom of the anchor hole, the connecting part is driven to be impacted in a driving mode, the wedge-shaped part is bent outwards and deformed under the action of the extrusion part, the wedge-shaped part is extended into a soil body or a rock body to form an expanding head, and cement slurry is injected into the anchor hole to be anchored.
Meanwhile, the connecting part which is matched with the anchor hole in size can also play a role in traction and positioning of the anchor cable and the anchor rod, so that the anchor cable or the anchor rod can be positioned in the middle of the anchor hole, the anchor cable or the anchor rod is prevented from deviating, and the construction quality of the anchor cable or the anchor rod is improved. The problem of among the prior art skew appears easily in the bottom of anchor rope or stock is solved.
Drawings
FIG. 1 is a schematic structural view of an embodiment of the present invention, in which the connection portion is not yet pressed;
FIG. 2 is a schematic structural diagram of an embodiment of the utility model, which is a state diagram of the wedge-shaped part which is extruded by the extrusion part after the connecting part is hit, is shot and deformed, extends into a soil body or a rock body and is poured with cement paste;
FIG. 3 is a schematic bottom view of a connection portion according to an embodiment of the present invention, in which the blind holes are pyramid-shaped;
FIG. 4 is a schematic structural view of another embodiment of the present invention, in which a connecting portion and an extruding portion are connected together by a connecting rod;
the labels in the figure are: 1. soil body or rock mass, 2, extrusion portion, 3, connecting portion, 4, anchor rope or stock, 5, grout, 6, wedge portion, 7, anchor eye, 8, blind hole, 9, connecting rod, 10, arc wall.
Detailed Description
The present invention will be further described with reference to the following examples, which are intended to illustrate only some, but not all, of the embodiments of the present invention. Based on the embodiments of the present invention, other embodiments used by those skilled in the art without any creative effort belong to the protection scope of the present invention.
With reference to the accompanying drawings, the self-expanding anchor head structure for quick driving locking is used for being connected to the bottom of an anchor cable or an anchor rod 4 extending into an anchor hole 7 and comprises a connecting part 3 used for being connected with the anchor cable or the anchor rod 4, a blind hole 8 is formed in one end, facing the bottom of the anchor hole 7, of the connecting part 3, at least two wedge-shaped parts 6 are arranged at one end, facing the bottom of the anchor hole 1, of the connecting part 3, the blind hole 8 is provided with an extruding part 2 used for being extruded into the blind hole and enabling the wedge-shaped parts 6 to deform and extend into a soil body or a rock body 1, the outer diameter of the connecting part 3 is matched with the inner diameter of the anchor hole 7, and the outer diameter of the extruding part 2 is smaller than that of the anchor hole 7 so that the wedge-shaped parts 6 can extend into a gap between the extruding part 2 and the anchor hole 7.
With reference to fig. 1 and 2, in some embodiments, two wedge-shaped portions 6 are disposed at an end of the connecting portion 3 facing a bottom of the anchor hole 7, the blind hole is a wedge-shaped hole, and a tip end of the extruding portion 2 facing the connecting portion is disposed at an end of the extruding portion 2 and is adapted to the wedge-shaped hole.
With reference to fig. 3, in some embodiments, the connecting portion 3 is cylindrical, a plurality of wedge portions 6 are uniformly disposed on an outer wall of the connecting portion 3, the blind holes 8 are pyramid-shaped, and a pyramid fitting the blind holes 8 is disposed at an end of the extruding portion 2 facing the connecting portion 3.
With reference to fig. 4, in some embodiments, a connecting rod 9 is connected between the extrusion part 2 and the connecting part 3, the connecting rod 9 has a hardness smaller than that of the wedge part 6, the extrusion part and the connecting part 3 are connected together through the connecting rod 9, so that the extrusion part and the anchor rod 4 can be conveniently placed at the bottom of the anchor hole 7 along with the anchor cable or the anchor rod, and the connecting rod 9 has a hardness smaller than that of the wedge part, so that the connecting rod 9 can be easily broken during extrusion, and deformation of the wedge part 6 cannot be affected. Wherein, the connecting rod can be made of plastic which is easy to break.
In some embodiments, the side of the connecting portion 3 facing the bottom of the anchor hole is further opened with an arc-shaped slot 10, that is, the arc-shaped slot 10 is located at the end of the blind hole 8. Through the design of arc wall 10, the wedge portion 6 of both being convenient for warp and bend, also can accomodate in can entering into arc wall 10 with the connecting rod after breaking down under the impetus simultaneously to can not influence the laminating between extrusion portion and the blind hole.
The quick-driving locked self-expanding anchor head structure comprises a connecting part, an extrusion part, a connecting part, an anchor bolt, an anchor hole, a connecting part and a bolt, wherein the connecting part is arranged at the bottom of the anchor hole, the extrusion part and the connecting part are arranged in the anchor hole, the connecting part is arranged at the bottom of the anchor hole, the connecting part is driven to be impacted in a driving mode, the wedge-shaped part is bent outwards and deformed under the action of the extrusion part, the wedge-shaped part is extended into a soil body or a rock body to form an expanding head, and cement slurry is injected into the anchor hole to be anchored.
Meanwhile, the connecting part which is matched with the anchor hole in size can also play a role in traction and positioning of the anchor cable and the anchor rod, so that the anchor cable or the anchor rod can be positioned in the middle of the anchor hole, the anchor cable or the anchor rod is prevented from deviating, and the construction quality of the anchor cable or the anchor rod is improved. The problem of among the prior art skew appears easily in the bottom of anchor rope or stock is solved.
Claims (5)
1. A quick-drive locking self-expanding anchor head structure is used for connecting the bottom of an anchor cable or an anchor rod (4) extending into an anchor hole (7), it is characterized by comprising a connecting part (3) used for being connected with an anchor cable or an anchor rod (4), a blind hole (8) is arranged at one end of the connecting part (3) facing the bottom of the anchor hole (7), and at least two wedge-shaped parts (6) are arranged at one end of the connecting part (3) facing the anchor hole, the blind hole (8) is provided with a squeezing part (2) which is used for squeezing into the blind hole and enabling the wedge-shaped part (6) to deform and extend into the soil body or the rock body (1), the outer diameter of the connecting portion (3) is matched with the inner diameter of the anchor hole, and the outer diameter of the extrusion portion (2) is smaller than the outer diameter of the anchor hole, so that the wedge-shaped portion (6) can extend into a gap between the extrusion portion (2) and the anchor hole (7).
2. A quick-drive locked self-expanding anchor head construction according to claim 1, characterised in that the end of the connecting portion (3) facing the bottom of the anchor hole (7) is provided with two wedge-shaped portions (6) distributed up and down, that the blind hole (8) is a wedge-shaped hole, and that the end of the extrusion portion (2) facing the connecting portion is provided with a point adapted to the wedge-shaped hole.
3. A self-expanding anchor head construction for quick-driving locks according to claim 1, characterised in that the connecting portion (3) is cylindrical, that the outer wall of the connecting portion (3) is evenly provided with a plurality of wedge-shaped portions (6), that the blind hole (8) is pyramid-shaped, and that the end of the extruded portion (2) facing the connecting portion is provided with a pyramid adapted to the blind hole.
4. A quick-drive locking, self-expanding anchor head construction according to any one of claims 1-3, wherein an obliquely arranged connecting rod (9) is connected between the pressing portion (2) and the connecting portion (3), the hardness of the connecting rod (9) being less than the hardness of the wedge portion (6).
5. A self-expanding anchor head construction for a quick-drive lock according to claim 4, characterised in that the connecting portion (3) is further provided with an arcuate slot (10) on the side facing the anchor eye.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122368749.XU CN216041136U (en) | 2021-09-29 | 2021-09-29 | Self-expanding anchor head structure capable of achieving quick driving locking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122368749.XU CN216041136U (en) | 2021-09-29 | 2021-09-29 | Self-expanding anchor head structure capable of achieving quick driving locking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216041136U true CN216041136U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122368749.XU Active CN216041136U (en) | 2021-09-29 | 2021-09-29 | Self-expanding anchor head structure capable of achieving quick driving locking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216041136U (en) |
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2021
- 2021-09-29 CN CN202122368749.XU patent/CN216041136U/en active Active
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