High-strength pipe seam anchor rod

Abstract

The utility model discloses a high-strength pipe seam anchor rod which comprises a drill bit, a positioning seat is fixedly connected to the upper surface of the drill bit, a positioning groove is formed in the upper surface of the positioning seat, a limiting groove is formed in the upper surface of the positioning seat, and an anchor rod body is clamped in the positioning groove. The anchor rod comprises an anchor rod body, a limiting groove is formed in the anchor rod body, symmetrical limiting blocks are installed in the limiting groove, symmetrical positioning screw holes are formed in the outer surface of the anchor rod body, first through holes are formed in the side faces, close to each other, of the two limiting blocks, the inner walls of the two positioning screw holes are in threaded connection with positioning screw rods, and a positioning ring is arranged on the outer surface of the anchor rod body. According to the device, the anchor rod body can be reinforced and the strength of the anchor rod body can be improved through the cooperation of the fixing screw holes and the reinforcing threaded ribs, the drill bit can be detached through the cooperation of the positioning screw holes and the positioning screw rods, workers can replace the drill bit conveniently, and the strength of the anchor rod body is further prevented from being affected.

Description

Technical Field

[0001] The utility model relates to the field of anchor rods, in particular to a high-strength pipe seam anchor rod. Background Art

[0002] Anchor rods are the most basic component of tunnel support in contemporary coal mines. They reinforce the surrounding rock of the tunnel so that the surrounding rock can support itself. Now anchor rods are not only used in mines, but also in engineering technology to reinforce slopes, tunnels, and dam bodies. As a tensile member deep in the stratum, one end of the anchor rod is connected to the engineering structure and the other end is deep in the stratum. The whole anchor rod is divided into a free section and an anchoring section. The free section refers to the area where the tension at the anchor rod head is transmitted to the anchor body. Its function is to apply prestress to the anchor rod.

[0003] A Chinese patent with announcement number CN108716416B discloses a high-strength anchor rod, comprising an anchor rod body, a drill bit is arranged on one end of the anchor rod body, and the drill bit is fixedly connected to the anchor rod body, and a square nut, an arched pad and a slurry stop plug are arranged on the other end of the anchor rod body from left to right in sequence, the arched pad and the slurry stop plug are fixedly connected, and the arched pad and the slurry stop plug are both fixedly connected to the anchor rod body, the square nut is threadedly connected to the anchor rod body, and the arched pad is provided with a first steel bar, a second steel bar, a third steel bar and a fourth steel bar for reinforcing the anchor rod body. However, the drill bit of the anchor rod in the above patent is fixed, which is inconvenient to replace the drill bit, and when the reinforcement bar is damaged, it is also inconvenient to replace the reinforcement bar, which affects the strength of the anchor rod. For this reason, we propose a high-strength pipe seam anchor rod to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a high-strength pipe seam anchor rod to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A high-strength pipe seam anchor comprises a drill bit, the upper surface of the drill bit is fixedly connected to a positioning seat, the upper surface of the positioning seat is provided with a positioning groove, the upper surface of the positioning seat is provided with a limiting groove, the interior of the positioning groove is clamped with an anchor rod body, the interior of the limiting groove is provided with symmetrical limiting blocks, the outer surface of the anchor rod body is provided with symmetrical positioning screw holes, the side surfaces of two limiting blocks close to each other are provided with a first through hole, the inner walls of the two positioning screw holes are threadedly connected with positioning screws, the outer surface of the anchor rod body is provided with a positioning ring, the upper surface of the positioning ring is provided with second through holes arranged at equal distances, the upper surface of the positioning seat is provided with fixing screw holes arranged at equal distances, the inner wall of each fixing screw hole is threadedly connected with a reinforcing threaded rib, and the top of each reinforcing threaded rib is fixedly connected with a rotating block.

[0007] In a further embodiment, ends of the two positioning screws that are away from each other are fixedly connected to positioning blocks, and sides of the two positioning blocks that are away from each other are provided with rotation grooves.

[0008] In a further embodiment, the front side of the anchor rod body is provided with grouting holes arranged at equal distances, and the outer surface of the anchor rod body is provided with a reinforcement sleeve.

[0009] In a further embodiment, a fixing column is fixedly connected to the top end of the anchor rod body, and a connecting head is fixedly connected to the top end of the fixing column.

[0010] In a further embodiment, a grout stopper is provided inside the positioning ring, and the inner wall of the grout stopper is tightly connected to the outer surface of the anchor rod body.

[0011] In a further embodiment, a pad is fixedly connected to the upper surface of the slurry stopping plug, and a rotating screw ring is fixedly connected to the upper surface of the pad.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] This device utilizes the cooperation of fixing screw holes and reinforcing threaded ribs to reinforce the anchor rod body and improve the strength of the anchor rod body. The cooperation of positioning screw holes and positioning screws can be used to disassemble the drill bit, making it convenient for staff to replace the drill bit and avoid affecting the strength of the anchor rod body. The cooperation of fixing columns and connecting heads can facilitate staff to install the anchor rod body. The cooperation of pads and rotating screw rings can facilitate staff to disassemble the slurry stop plug. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the high-strength pipe seam anchor.

[0015] Figure 2A cross-sectional view of the front view of a positioning seat in a high-strength pipe seam anchor.

[0016] Figure 3 A cross-sectional view of the side view of a positioning seat in a high-strength pipe seam anchor.

[0017] Figure 4 High-strength pipe anchor Figure 2 A schematic diagram of the enlarged structure in the middle.

[0018] In the figure: 1. drill bit; 2. positioning seat; 3. positioning groove; 4. limiting groove; 5. anchor rod body; 6. limiting block; 7. first through hole; 8. positioning screw hole; 9. positioning screw; 10. positioning block; 11. rotating groove; 12. positioning ring; 13. reinforcement sleeve; 14. second through hole; 15. rotating block; 16. fixing screw hole; 17. reinforcing threaded rib; 18. fixing column; 19. connecting head; 20. overflow hole; 21. pad; 22. rotating screw ring; 23. slurry stop plug. DETAILED DESCRIPTION

[0019] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 In the utility model, a high-strength pipe seam anchor comprises a drill bit 1, a positioning seat 2 is fixedly connected to the upper surface of the drill bit 1, a positioning groove 3 is provided on the upper surface of the positioning seat 2, a limiting groove 4 is provided on the upper surface of the positioning seat 2, an anchor body 5 is clamped inside the positioning groove 3, a symmetrical limiting block 6 is installed inside the limiting groove 4, a symmetrical positioning screw hole 8 is provided on the outer surface of the anchor body 5, a first through hole 7 is provided on the side surface of the two limiting blocks 6 close to each other, a positioning screw 9 is threadedly connected to the inner wall of the two positioning screw holes 8, a positioning ring 12 is provided on the outer surface of the anchor body 5, and a positioning ring 12 is provided on the outer surface of the anchor body 5. The upper surface of the ring 12 is provided with second through holes 14 arranged at equal distances, and the upper surface of the positioning seat 2 is provided with fixing screw holes 16 arranged at equal distances. The inner wall of each fixing screw hole 16 is threadedly connected with a reinforcing threaded rib 17, and the top of each reinforcing threaded rib 17 is fixedly connected with a rotating block 15. By utilizing the cooperation of the fixing screw holes 16 and the reinforcing threaded ribs 17, the anchor rod body 5 can be reinforced to improve the strength of the anchor rod body 5. By utilizing the cooperation of the positioning screw holes 8 and the positioning screw 9, the drill bit 1 can be disassembled, which is convenient for the staff to replace the drill bit 1 and avoid affecting the strength of the anchor rod body 5.

[0023] The ends of the two positioning screws 9 that are away from each other are fixedly connected with positioning blocks 10, and the sides of the two positioning blocks 10 that are away from each other are provided with rotation grooves 11. The front of the anchor rod body 5 is provided with overflow holes 20 arranged at equal distances, and the outer surface of the anchor rod body 5 is provided with a reinforcement sleeve 13. The top of the anchor rod body 5 is fixedly connected with a fixing column 18, and the top of the fixing column 18 is fixedly connected with a connecting head 19. Through the cooperation of the positioning block 10 and the rotation groove 11, it is convenient for the staff to disassemble the positioning screw 9, and the overflow hole 20 can be used to overflow the excess slurry. The anchor rod body 5 can be reinforced by the reinforcement sleeve 13 to improve the strength of the anchor rod body 5. Through the cooperation of the fixing column 18 and the connecting head 19, it is convenient for the staff to install the anchor rod body 5.

[0024] A grout stop plug 23 is provided inside the positioning ring 12, and the inner wall of the grout stop plug 23 is tightly connected to the outer surface of the anchor rod body 5. A pad 21 is fixedly connected to the upper surface of the grout stop plug 23, and a rotating screw ring 22 is fixedly connected to the upper surface of the pad 21. The slurry can be organized through the grout stop plug 23. The cooperation of the pad 21 and the rotating screw ring 22 can facilitate the staff to disassemble the grout stop plug 23.

[0025] The working principle of the utility model is:

[0026] When in use, first, the anchor rod body 5 is installed in the corresponding position through the cooperation of the fixing column 18 and the connecting head 19, and then the drilling work is carried out by utilizing the cooperation of the anchor rod body 5 and the drill bit 1. Then, the anchor rod body 5 can be reinforced by utilizing the cooperation of the fixing screw hole 16 and the reinforcing threaded rib 17 to improve the strength of the anchor rod body 5. Then, the drill bit 1 can be disassembled by utilizing the cooperation of the positioning screw hole 8 and the positioning screw 9, so as to facilitate the staff to replace the drill bit 1 and avoid affecting the strength of the anchor rod body 5.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A high-strength pipe seam anchor, characterized in that: The drill bit (1) comprises a positioning seat (2) fixedly connected to the upper surface of the drill bit (1), a positioning groove (3) being provided on the upper surface of the positioning seat (2), a limiting groove (4) being provided on the upper surface of the positioning seat (2), an anchor rod body (5) being clamped inside the positioning groove (3), a symmetrical limiting block (6) being installed inside the limiting groove (4), a symmetrical positioning screw hole (8) being provided on the outer surface of the anchor rod body (5), and a first through hole being provided on the side surfaces of the two limiting blocks (6) close to each other. (7), the inner walls of the two positioning screw holes (8) are threadedly connected with positioning screws (9), the outer surface of the anchor rod body (5) is provided with a positioning ring (12), the upper surface of the positioning ring (12) is provided with second through holes (14) arranged at equal distances, the upper surface of the positioning seat (2) is provided with fixing screw holes (16) arranged at equal distances, the inner wall of each fixing screw hole (16) is threadedly connected with a reinforcing threaded rib (17), and the top end of each reinforcing threaded rib (17) is fixedly connected with a rotating block (15).

2. A high-strength pipe seam anchor according to claim 1, characterized in that: The ends of the two positioning screws (9) that are away from each other are fixedly connected to positioning blocks (10), and the sides of the two positioning blocks (10) that are away from each other are provided with rotation grooves (11).

3. A high-strength pipe seam anchor according to claim 1, characterized in that: The front side of the anchor rod body (5) is provided with grout overflow holes (20) arranged at equal distances, and the outer surface of the anchor rod body (5) is provided with a reinforcement sleeve (13).

4. A high-strength pipe seam anchor according to claim 1, characterized in that: The top end of the anchor rod body (5) is fixedly connected to a fixing column (18), and the top end of the fixing column (18) is fixedly connected to a connecting head (19).

5. A high-strength pipe seam anchor according to claim 1, characterized in that: A grout stopper (23) is provided inside the positioning ring (12), and the inner wall of the grout stopper (23) is tightly connected to the outer surface of the anchor rod body (5).

6. A high-strength pipe seam anchor according to claim 5, characterized in that: A backing plate (21) is fixedly connected to the upper surface of the slurry stopper (23), and a rotating screw ring (22) is fixedly connected to the upper surface of the backing plate (21).

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