Highway construction slope protection net anchoring structure

By introducing a combination design of anchor nail body, sliding cylinder and snap-fit ​​nail in the anchoring structure of the protective net, the problem of insufficient fixation by traditional nails is solved, and higher stability and safety are achieved, ensuring the effective fixation of the slope protection net.

CN224478448UActive Publication Date: 2026-07-10ANHUI LUKAI CONSTR ENG CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANHUI LUKAI CONSTR ENG CO LTD
Filing Date
2025-06-05
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

In the use of existing highway construction slope protection net anchoring structures, traditional anchoring methods rely on nails for fixation. During anchoring, the vertical force between the nails and the slope is generated by the friction of the nails driven into the slope. When the impact force of falling rocks is large, the friction is insufficient to fix the protection net, causing safety hazards.

Method used

The structure adopts a combination of anchor nail body, sliding cylinder, snap-fit ​​nail, first sliding rod, second sliding rod and third sliding rod. The snap-fit ​​nail is snapped into the slope, the design of the sliding rod improves the anchoring stability, and the cooperation of the limiting plate and spring rod enhances the fixing effect.

Benefits of technology

It effectively improves the stability of the anchoring structure, reduces safety hazards, and can better resist the vertical force generated by falling rocks, ensuring the stable fixation of the protective net.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224478448U_ABST
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Abstract

The utility model provides a highway construction side slope protection net anchoring structure, including anchoring nail body, sliding cylinder, clamping peg, first sliding rod, second sliding rod and third sliding rod, and the sliding cylinder opens in the anchoring nail body, and both sides of anchoring nail body open have clamping hole, and the clamping peg slides in the clamping hole, and the first sliding rod slides in the sliding cylinder, and the second sliding rod is fixed on the first sliding rod, and the third sliding rod is fixed on the second sliding rod, and the first sliding rod and third sliding rod are all cylindrical, and the radius of first sliding rod is less than third sliding rod, and the second sliding rod is circular table, because the utility model has installed the clamping peg on both sides of anchoring nail body, and the user installs anchoring nail after, can through extruding clamping peg, and it is stuck into the inside of side slope, through the spacing of clamping peg and the inside of side slope, can effectively resist the vertical force of rockfall, improve the stability of anchoring, reduce the potential safety hazard.
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Description

Technical Field

[0001] This utility model relates to the technical field of slope protection net anchoring, specifically to the anchoring structure of slope protection nets for highway construction. Background Technology

[0002] Slope protection netting is a protective device used in areas prone to landslides along highways and railways. Its main function is to limit the weathering and erosion of slope rock and soil, prevent rockfalls, protect the area below, and control falling rocks within a certain range. Active protection netting is fixed using steel wire rope anchors and support ropes, while passive protection netting consists of a fixing system including steel columns, bases, and support ropes, effectively intercepting falling rocks and dispersing impact force. Common fixing methods include anchors, support ropes, and bases. Anchors are typically used in active protection netting, inserted through drilled holes and fixed with grout, providing stable support. Passive protection netting uses a combination of steel columns and bases, with the steel columns typically spaced 10 meters apart, connected by anchor ropes and support ropes to form a complete protection system.

[0003] According to Chinese Patent Publication No. CN119465999A, a slope protection net stabilization and fixing device and its installation method are disclosed, relating to the field of slope protection net fixing technology. The device includes a main anchor rod, a pressure plate body, and anchoring supports. The pressure plate body and anchoring supports are arranged on the outer side of the main anchor rod. This slope protection net stabilization and fixing device and its installation method, by adjusting the pressure plate body, allows the surface of the protection net to fit more closely to the slope, offering flexible use and better slope protection. Adjusting the angle of the pressure plate body provides stable positioning, effectively preventing loosening during subsequent use. Simultaneously, the pressure plate body contains a guide ring that limits and guides the insertion direction of the anchoring supports, making the installation of the anchoring supports to the slope more efficient and simple to operate. This slope protection net stabilization and fixing device and its installation method solve the problem that fixed anchoring devices cannot be installed to fit the shape of the slope.

[0004] However, existing highway construction slope protection net anchoring structures have safety hazards during use. Traditional anchoring methods use nails for fixing, and the vertical force between the nails and the slope is generated by the friction of the nails driven into the slope. When the impact of falling rocks is large, the friction between the nails and the slope is insufficient to fix the protection net, resulting in safety hazards in the anchoring structure. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the problem that, in the use of existing highway construction slope protection net anchoring structures, traditional protection nets are fixed with nails. During anchoring, the vertical force between the nails and the slope is generated by the friction of the nails driven into the slope. When the impact force of falling rocks is large, the friction between the nails and the slope is insufficient to fix the protection net, resulting in safety hazards in the anchoring structure.

[0006] The technical solution adopted to solve the above technical problems is:

[0007] The anchoring structure for slope protection netting in highway construction includes an anchor nail body, a sliding cylinder, a snap-fit ​​nail, a first sliding rod, a second sliding rod, and a third sliding rod. The sliding cylinder is located inside the anchor nail body. Snap-fit ​​holes are located on both sides of the anchor nail body, allowing the snap-fit ​​nail to slide within these holes. The first sliding rod slides within the sliding cylinder. The second sliding rod is fixed to the first sliding rod, and the third sliding rod is fixed to the second sliding rod. Both the first and third sliding rods are cylinders, with the radius of the first sliding rod being smaller than that of the third sliding rod. The second sliding rod is a frustum.

[0008] As a preferred embodiment of this utility model, a spring rod is fixed inside the sliding cylinder, and a limiting plate is fixed inside the snap-fit ​​pin. The limiting plate is connected to the spring rod, and the limiting rod and the spring rod can prevent the snap-fit ​​pin from falling out of the snap-fit ​​hole of the sliding cylinder.

[0009] As a preferred technical solution of this utility model, a sliding block is fixed inside the sliding cylinder, and a sliding groove is opened on the third sliding rod, which enables the user to strike the third sliding rod more stably.

[0010] In a preferred embodiment of this invention, the sliding groove slides on the sliding block, and both the sliding groove and the sliding block have square cross-sections.

[0011] As a preferred embodiment of this utility model, a limiting guard plate is fixed to the outer side of the anchor nail body, and a rotating block is rotatably connected to the inner side of the limiting guard plate.

[0012] As a preferred technical solution of this utility model, rotating brackets are fixed on both sides of the rotating block, and a fixed plate is hinged inside the rotating bracket. A fixing groove is opened on the fixed plate, and an auxiliary anchor nail is installed in the fixing groove. The user can rotate the fixed plate to select a good fixing position according to the terrain and the position of the protective net.

[0013] Because this utility model has snap-fit ​​nails installed on both sides of the anchor nail body, after the user installs the anchor nail, he can squeeze the snap-fit ​​nails to drive it into the slope. Through the limiting of the snap-fit ​​nails and the inside of the slope, it can effectively resist the vertical force generated by falling rocks, improve the stability of the anchor and reduce safety hazards. Attached Figure Description

[0014] Figure 1 This is the first axial view of the present invention;

[0015] Figure 2 This is a cross-sectional view of the present invention.

[0016] Figure 3 for Figure 2 A magnified view of part A in the image;

[0017] Figure 4 for Figure 2 A magnified view of part B in the image;

[0018] In the diagram: 1. Anchor nail body; 2. Sliding cylinder; 3. Snap-fit ​​nail; 4. First sliding rod; 5. Second sliding rod; 6. Third sliding rod; 7. Snap-fit ​​hole; 8. Spring rod; 9. Limiting plate; 10. Sliding block; 11. Sliding groove; 12. Limiting guard plate; 13. Rotating block; 14. Rotating bracket; 15. Fixing plate; 16. Fixing groove; 17. Auxiliary anchor nail. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0021] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0022] In the above description of this utility model, it should be noted that the terms "one side," "the other side," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0023] Furthermore, terms such as "identical" do not imply that components must be absolutely identical; minor differences are permissible. The term "perpendicular" simply means that the positional relationship between components is more perpendicular than "parallel," not that the structure must be perfectly perpendicular; a slight tilt is acceptable. Example

[0024] exist Figure 1-4 This utility model provides a technical solution: an anchoring structure for a slope protection net in highway construction, comprising an anchoring nail body 1, a sliding cylinder 2, a snap-fit ​​nail 3, a first sliding rod 4, a second sliding rod 5, and a third sliding rod 6. The sliding cylinder 2 is located inside the anchoring nail body 1. Snap-fit ​​holes 7 are located on both sides of the anchoring nail body 1. The snap-fit ​​nail 3 slides within the snap-fit ​​holes 7. The first sliding rod 4 slides within the sliding cylinder 2. The second sliding rod 5 is fixed to the first sliding rod 4, and the third sliding rod 6 is fixed to the second sliding rod 5. Both the first sliding rod 4 and the third sliding rod 6 are cylindrical. The radius of the first sliding rod 4 is smaller than that of the third sliding rod 6, and the second sliding rod 5 is a frustum. When anchoring the protective net, the user first nails the anchor nail body 1 into the slope, and then puts the first sliding rod 4 into the sliding cylinder 2. The two sides of the first sliding rod 4 are connected to the inner side of the snap-fit ​​nail 3. By tapping the third sliding rod 6, the frustum-shaped second sliding rod 5 slowly contacts the snap-fit ​​nail 3, and finally transitions to the two sides of the third sliding rod 6, completing the snap-fit ​​between the snap-fit ​​nail 3 and the slope. This can effectively resist the vertical force generated by falling rocks, improve the stability of the anchoring, and reduce safety hazards.

[0025] In one aspect of this embodiment, a spring rod 8 is fixed inside the sliding cylinder 2, a limiting plate 9 is fixed inside the snap pin 3, the limiting plate 9 is connected to the spring rod 8, a sliding block 10 is fixed inside the sliding cylinder 2, and a sliding groove 11 is opened on the third sliding rod 6. The sliding groove 11 slides on the sliding block 10. The cross-sections of the sliding groove 11 and the sliding block 10 are both square, which can effectively improve the stability when the third sliding rod 6 is struck.

[0026] In one aspect of this embodiment, a limiting guard plate 12 is fixed to the outside of the anchor nail body 1, and a rotating block 13 is rotatably connected to the inside of the limiting guard plate 12. Rotating brackets 14 are fixed on both sides of the rotating block 13, and a fixing plate 15 is hinged inside the rotating bracket 14. A fixing groove 16 is opened on the fixing plate 15, and an auxiliary anchor nail 17 is installed in the fixing groove 16. When fixing, the user can select an area with better terrain by rotating the fixing plate 15 and fix the protective net by the auxiliary anchor nail 17.

[0027] The working principle of this utility model is as follows: In the process of use, firstly, the anchor nail body 1 is nailed into the inside of the slope, and then the first sliding rod 4 is fitted into the sliding cylinder 2. The two sides of the first sliding rod 4 are connected to the inner side of the snap-fit ​​nail 3. By striking the third sliding rod 6, the sliding groove 11 is connected to the sliding block 10, which can effectively improve the stability when striking the third sliding rod 6, so that the frustum-shaped second sliding rod 5 slowly contacts the snap-fit ​​nail 3, and finally transitions to the two sides of the third sliding rod 6, completing the snap-fit ​​between the snap-fit ​​nail 3 and the slope. This can effectively resist the vertical force generated by falling rocks, improve the stability of the anchoring, and reduce safety hazards. At the same time, by rotating the fixing plate 15, a better terrain area can be selected, and the protective net can be fixed by the auxiliary anchor nail 17, further improving the stability of the installation.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. An anchoring structure for slope protection netting in highway construction, comprising an anchoring nail body (1), a sliding cylinder (2), a snap-fit ​​nail (3), a first sliding rod (4), a second sliding rod (5), and a third sliding rod (6), characterized in that: The sliding cylinder (2) is opened inside the anchor nail body (1). The anchor nail body (1) has snap-fit ​​holes (7) on both sides. The snap-fit ​​nail (3) slides in the snap-fit ​​holes (7). The first sliding rod (4) slides in the sliding cylinder (2). The second sliding rod (5) is fixed on the first sliding rod (4). The third sliding rod (6) is fixed on the second sliding rod (5). The first sliding rod (4) and the third sliding rod (6) are both cylinders. The radius of the first sliding rod (4) is smaller than that of the third sliding rod (6). The second sliding rod (5) is a frustum.

2. The anchoring structure for highway construction slope protection netting according to claim 1, characterized in that: A spring rod (8) is fixed inside the sliding cylinder (2), and a limiting plate (9) is fixed inside the snap pin (3). The limiting plate (9) is connected to the spring rod (8).

3. The anchoring structure for highway construction slope protection netting according to claim 2, characterized in that: The sliding cylinder (2) has a sliding block (10) fixed inside, and the third sliding rod (6) has a sliding groove (11).

4. The anchoring structure for highway construction slope protection netting according to claim 3, characterized in that: The sliding groove (11) slides on the sliding block (10), and both the sliding groove (11) and the sliding block (10) have square cross-sections.

5. The anchoring structure for highway construction slope protection netting according to claim 1, characterized in that: An anchor nail body (1) has a limiting guard plate (12) fixed on its outer side, and a rotating block (13) is rotatably connected to the inner side of the limiting guard plate (12).

6. The anchoring structure for highway construction slope protection netting according to claim 5, characterized in that: Rotating blocks (13) are fixed with rotating brackets (14) on both sides. A fixed plate (15) is hinged inside the rotating brackets (14). A fixed groove (16) is opened on the fixed plate (15). An auxiliary anchor nail (17) is installed in the fixed groove (16).