Combined mining anti-corrosion anchor rod

The modular design of the mine anti-corrosion anchor bolt solves the problem that traditional anchor bolts cannot adapt to the reinforcement of mine pits at different depths, achieving flexible depth adjustment and reinforcement effect.

CN224200679UActive Publication Date: 2026-05-05PINGDINGSHAN SILIAN IND & TRADE CO
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
PINGDINGSHAN SILIAN IND & TRADE CO
Filing Date
2025-06-20
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

Traditional mining anchor bolts are one-piece structures, which cannot meet the reinforcement needs of mines at different depths and have low practicality.

Method used

A modular anti-corrosion anchor bolt for mining was designed. Through the combination structure of connecting shell, assembly rod and limiting shell, the screw and length rod can be adjusted to meet the reinforcement needs of mine pits of different depths.

Benefits of technology

This improves the practicality of anchor bolts, enabling them to be adapted to mine pit reinforcement at different depths, and enhances the flexibility and efficiency of construction.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224200679U_ABST
    Figure CN224200679U_ABST
Patent Text Reader

Abstract

The utility model discloses a combined mining anti-corrosion anchor rod which comprises a screw rod, a connecting shell is arranged at the top end of the screw rod, a length rod is fixedly installed at the top end of the connecting shell, a sliding shell is connected to the surface of the length rod in a sliding mode, a positioning plate is fixedly installed in the middle of the sliding shell, and a positioning assembly located on the outer side of the sliding shell is fixedly installed at the top end of the positioning plate. The bottom end of the threaded rod is in threaded connection with a limiting shell, an anchor rod base is fixedly installed at the bottom end of the limiting shell, assembling rods are fixedly installed on the two sides of the top end of the threaded rod, an assembling groove is formed in the bottom end of the connecting shell, and installing shells are fixedly installed on the two sides of the inner wall of the assembling groove. According to the anchor rod, the connecting shell and the two assembling rods are arranged, the assembling rods are inserted into the mounting shell, so that clamping grooves in the assembling rods are buckled with clamping blocks, the screw rod and the length rod are assembled together, mine pits with different depths can be conveniently reinforced through the anchor rod, and the use practicability of the anchor rod is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of anchor bolt technology, specifically a combined mining anti-corrosion anchor bolt. Background Technology

[0002] Mining anchor bolts do not require machining of the anchoring and fastening ends, resulting in high material utilization and saving significant amounts of steel and pit timber, thus reducing support costs. Mining anchor bolts possess strong anchoring force, effectively reinforcing the surrounding rock of mine roadways and underground engineering projects, reducing roadway deformation and disrepair, and lowering maintenance costs. Furthermore, roadways supported by anchor bolts exhibit minimal deformation and disrepair, providing excellent support and ensuring the safety of the working face. Mining anchor bolts are lightweight, have a simple construction process, facilitate mechanized construction, and reduce labor intensity. Their rapid installation speed and ease of quality control further improve construction efficiency.

[0003] However, traditional anchor bolts have the following disadvantages:

[0004] Traditional anchor bolts are generally one-piece structures, which cannot meet the needs of people to reinforce mine pits of different depths and have low practicality. Utility Model Content

[0005] The purpose of this utility model is to provide a combined anti-corrosion anchor bolt for mining, in order to solve the problem mentioned in the background art that traditional anchor bolts are generally of one-piece structure, which cannot meet people's needs for reinforcement of mine pits at different depths and have low practicality.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a combined mining anti-corrosion anchor bolt, comprising a screw rod, a connecting shell at the top of the screw rod, a length rod fixedly installed at the top of the connecting shell, a sliding shell slidably connected to the surface of the length rod, a positioning plate fixedly installed in the middle of the sliding shell, a positioning component fixedly installed at the top of the positioning plate on the outside of the sliding shell, a limiting shell threadedly connected to the bottom of the screw rod, an anchor bolt base fixedly installed at the bottom of the limiting shell, and two anchor bolt bases fixedly installed on both sides of the top of the screw rod. The assembly rod has an assembly groove at the bottom of the connecting shell. Mounting shells are fixedly installed on both sides of the inner wall of the assembly groove. A first connecting groove is formed at the bottom of each of the two mounting shells. A second connecting groove is formed on one side of the inner wall of each of the two first connecting grooves. A connecting plate is slidably connected inside each of the two second connecting grooves. A locking block is fixedly installed on one side of each of the two connecting plates. When the user rotates the limiting shell, the threads on the inner wall of the limiting shell match the threads on the surface of the screw, allowing the limiting shell to rotate and rise relative to the screw, thus completing the assembly of the screw and the limiting shell.

[0007] Preferably, each of the two assembly rods has a slot at its top end on the opposite side, and the two locking blocks are respectively set to correspond to the two slots. The assembly rod is inserted into the first connecting groove, so that the locking blocks and the slots are engaged together, thus completing the assembly of the connecting shell and the assembly rod.

[0008] Preferably, a support spring is fixedly installed on one side of the inner wall of each of the two second connecting grooves, and one end of each of the two support springs is fixedly connected to the opposite side of the two connecting plates.

[0009] Preferably, both sides of the connecting shell are threaded with assembly screws. The connecting shell is fixedly connected to two assembly rods by two assembly screws. When the user screws on the assembly screws, the threads on the surface of the assembly screws match the threads on the inner wall of the connecting shell, thus fixing the assembly rods inserted into the mounting shell.

[0010] Preferably, the positioning assembly includes two limiting plates and two height rods. The opposite ends of the two limiting plates are fixedly connected to the bottom ends of the two height rods on opposite sides. An angle seat is fixedly installed at the top of each of the two height rods. A lifting ring is rotatably connected between the interiors of the two angle seats, and the user suspends the anchor rod through the lifting ring.

[0011] Preferably, both limiting plates have connecting screws threaded onto their surfaces, and both limiting plates are fixedly connected to the positioning plate by the connecting screws. When the user tightens the connecting screws, the threads on the surface of the connecting screws match the threads on the inner wall of the limiting plate, thereby fixing the limiting plate to the positioning plate.

[0012] Preferably, the sliding shell has a threaded connection to a fixing screw, and the sliding shell is fixedly connected to the length rod by the fixing screw. When the user tightens the fixing screw, the thread on the surface of the fixing screw matches the thread on the inner wall of the sliding shell, thereby fixing the sliding shell and the length rod together.

[0013] Compared with the prior art, the beneficial effects of this utility model are: by setting a connecting shell and two assembly rods, the assembly rods are inserted into the mounting shell, so that the slots on the assembly rods are engaged with the locking blocks, and the screw and length rod are assembled together, which facilitates the reinforcement of mine pits of different depths by the anchor bolts and improves the practicality of the anchor bolts. Attached Figure Description

[0014] Figure 1 This is a side view of the present invention;

[0015] Figure 2 This is an enlarged schematic diagram of point A in this utility model;

[0016] Figure 3 This is a connection diagram of the positioning plate and positioning components of this utility model;

[0017] Figure 4 This is a connection diagram of the mounting shell and the anchor base of this utility model.

[0018] In the diagram: 1. Limiting shell; 2. Anchor base; 3. Screw; 4. Length rod; 5. Sliding shell; 6. Fixing screw; 7. Positioning plate; 8. Positioning assembly; 81. Limiting plate; 82. Height rod; 83. Angle seat; 84. Lifting ring; 85. Connecting screw; 9. Connecting shell; 10. Mounting shell; 11. Support spring; 12. First connecting groove; 13. Locking block; 14. Connecting plate; 15. Second connecting groove; 16. Assembly rod; 17. Locking slot; 18. Assembly screw; 19. Assembly groove. Detailed Implementation

[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0020] Please see Figure 1-4 This utility model provides a combined mining anti-corrosion anchor bolt, including a screw rod 3, a connecting shell 9 at the top of the screw rod 3, a length rod 4 fixedly installed at the top of the connecting shell 9, a sliding shell 5 slidably connected to the surface of the length rod 4, a positioning plate 7 fixedly installed in the middle of the sliding shell 5, a positioning component 8 fixedly installed at the top of the positioning plate 7 located outside the sliding shell 5, a limiting shell 1 threadedly connected to the bottom of the screw rod 3, an anchor bolt base 2 fixedly installed at the bottom of the limiting shell 1, assembly rods 16 fixedly installed on both sides of the top of the screw rod 3, and an opening at the bottom of the connecting shell 9. Assembly slot 19, with mounting shells 10 fixedly installed on both sides of the inner wall of the assembly slot 19. The bottom of each mounting shell 10 is provided with a first connecting slot 12. The inner wall of each of the two first connecting slots 12 is provided with a second connecting slot 15. The interior of each of the two second connecting slots 15 is slidably connected with a connecting plate 14. The side of each of the two connecting plates 14 is fixedly installed with a locking block 13. When the user rotates the limiting shell 1, the thread on the inner wall of the limiting shell 1 matches the thread on the surface of the screw 3, and the limiting shell 1 is rotated and raised relative to the screw 3 to complete the assembly of the screw 3 and the limiting shell 1.

[0021] The top of each of the two assembly rods 16 on opposite sides is provided with a slot 17. Two locking blocks 13 are respectively set with the two slots 17. The assembly rod 16 is inserted into the first connecting groove 12, so that the locking blocks 13 and the slots 17 are fastened together, and the connecting shell 9 and the assembly rod 16 are assembled together.

[0022] A support spring 11 is fixedly installed on one side of the inner wall of each of the two second connecting grooves 15, and one end of each support spring 11 is fixedly connected to the opposite side of the two connecting plates 14.

[0023] Both sides of the connecting shell 9 are threaded with assembly screws 18. The connecting shell 9 is fixedly connected to two assembly rods 16 by two assembly screws 18. When the user screws the assembly screws 18, the threads on the surface of the assembly screws 18 match the threads on the inner wall of the connecting shell 9, thus fixing the assembly rods 16 inserted into the mounting shell 10.

[0024] The positioning component 8 includes two limiting plates 81 and two height rods 82. The opposite ends of the two limiting plates 81 are fixedly connected to the bottom ends of the two height rods 82 on opposite sides. Angle seats 83 are fixedly installed at the top of the two height rods 82. A lifting ring 84 is rotatably connected between the interiors of the two angle seats 83. The user suspends the anchor rod through the lifting ring 84.

[0025] Both limiting plates 81 have threaded connecting screws 85 on their surfaces. Both limiting plates 81 are fixedly connected to the positioning plate 7 by the connecting screws 85. When the user tightens the connecting screws 85, the threads on the surface of the connecting screws 85 match the threads on the inner wall of the limiting plates 81, thereby fixing the limiting plates 81 onto the positioning plate 7.

[0026] The sliding shell 5 has a threaded connection with a fixing screw 6. The sliding shell 5 is fixedly connected to the length rod 4 by the fixing screw 6. When the user tightens the fixing screw 6, the thread on the surface of the fixing screw 6 matches the thread on the inner wall of the sliding shell 5, thereby fixing the sliding shell 5 and the length rod 4 together.

[0027] In this embodiment, during use: the user rotates the limiting shell 1, and the thread on the inner wall of the limiting shell 1 matches the thread on the surface of the screw 3, thus rotating and raising the limiting shell 1 relative to the screw 3 to complete the assembly of the screw 3 and the limiting shell 1. The assembly rod 16 is inserted into the first connecting groove 12, so that the locking block 13 and the locking groove 17 are engaged together, thus completing the assembly of the connecting shell 9 and the assembly rod 16. The user then tightens the assembly screw 18, and the thread on the surface of the assembly screw 18 matches the thread on the inner wall of the connecting shell 9 to fix the assembly rod 16 inserted into the mounting shell 10. The user then tightens the fixing screw 6, and the thread on the surface of the fixing screw 6 matches the thread on the inner wall of the sliding shell 5 to fix the sliding shell 5 and the length rod 4 together. The user then tightens the connecting screw 85, and the thread on the surface of the connecting screw 85 matches the thread on the inner wall of the limiting plate 81 to fix the limiting plate 81 on the positioning plate 7. The user then suspends the fixed anchor rod through the lifting ring 84.

[0028] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A combined mining anti-corrosion anchor bolt, comprising a bolt (3), characterized in that: The top end of the screw (3) is provided with a connecting shell (9), and a length rod (4) is fixedly installed on the top end of the connecting shell (9). A sliding shell (5) is slidably connected to the surface of the length rod (4). A positioning plate (7) is fixedly installed in the middle of the sliding shell (5). A positioning component (8) located outside the sliding shell (5) is fixedly installed on the top end of the positioning plate (7). A limiting shell (1) is threadedly connected to the bottom end of the screw (3). An anchor base (2) is fixedly installed on the bottom end of the limiting shell (1). The top ends of the screw (3) are located on both sides of the screw (3). Each is fixedly installed with an assembly rod (16). The bottom end of the connecting shell (9) is provided with an assembly groove (19). Both sides of the inner wall of the assembly groove (19) are fixedly installed with mounting shells (10). The bottom ends of the two mounting shells (10) are provided with first connecting grooves (12). One side of the inner wall of the two first connecting grooves (12) is provided with a second connecting groove (15). The interior of the two second connecting grooves (15) is slidably connected with a connecting plate (14). One side of the two connecting plates (14) is fixedly installed with a locking block (13).

2. A combined mining anti-corrosion anchor bolt according to claim 1, characterized in that: The top of each of the two assembly rods (16) on opposite sides is provided with a slot (17), and the two locking blocks (13) are respectively set with the two slots (17).

3. A combined mining anti-corrosion anchor bolt according to claim 1, characterized in that: A support spring (11) is fixedly installed on one side of the inner wall of each of the two second connecting grooves (15), and one end of each of the two support springs (11) is fixedly connected to the side of the two connecting plates (14) facing each other.

4. A combined mining anti-corrosion anchor bolt according to claim 1, characterized in that: Both sides of the connecting shell (9) are threaded with assembly screws (18), and the connecting shell (9) is fixedly connected to two assembly rods (16) by two assembly screws (18).

5. A combined mining anti-corrosion anchor bolt according to claim 1, characterized in that: The positioning component (8) includes two limiting plates (81) and two height rods (82). The opposite ends of the two limiting plates (81) are fixedly connected to the bottom ends of the two height rods (82) on opposite sides. Angle seats (83) are fixedly installed at the top of the two height rods (82). A lifting ring (84) is rotatably connected between the interiors of the two angle seats (83).

6. A combined mining anti-corrosion anchor bolt according to claim 5, characterized in that: Both of the limiting plates (81) are threaded with connecting screws (85), and both of the limiting plates (81) are fixedly connected to the positioning plate (7) by connecting screws (85).

7. A combined mining anti-corrosion anchor bolt according to claim 1, characterized in that: The sliding shell (5) is threaded with fixing screws (6), and the sliding shell (5) is fixedly connected to the length rod (4) by fixing screws (6).