High-efficiency coral planting nail

By designing a high-efficiency coral planting nail that combines long nails, crossbars, and short nails, and utilizing a combination structure of movable rods and elastic clips, the problem of tilting and loosening of η-shaped planting nails was solved, thus improving coral planting efficiency and survival rate.

CN122162730APending Publication Date: 2026-06-09HAINAN HONGHU MARINE TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
HAINAN HONGHU MARINE TECHNOLOGY CO LTD
Filing Date
2026-04-28
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing η-shaped planting nails are prone to tilting and loosening when fixing corals, affecting planting efficiency and survival rate.

Method used

Design a high-efficiency coral planting nail that includes long nails, crossbars, and short nails. The combination of movable rods and elastic clamps ensures balanced force when nailed into the reef, and uses the elastic clamps and reef friction to fix broken coral branches.

Benefits of technology

It improves the efficiency and survival rate of coral planting, prevents the planting nails from rotating under the impact of ocean currents, enhances the adhesion to reefs, and improves the coral's ability to grow permanently.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a high-efficiency coral planting nail, which comprises a long-leg nail, a crossbar and a short-leg nail, the crossbar is arranged on the two sides of the long-leg nail, the crossbar is connected with the short-leg nail, a movable rod is arranged below the crossbar, a first through hole penetrating through the long-leg nail is arranged in the middle of the movable rod, U-shaped forks are arranged at the two ends of the movable rod, the U-shaped forks are slidably connected with the short-leg nail, a first spring sheet is arranged above the movable rod, the first spring sheet is in abutment with the bottom of the crossbar, the first spring sheet is used for pushing the movable rod to move downwards, and the movable rod is provided with an elastic clamp used for clamping a coral broken branch. The application aims to provide the high-efficiency coral planting nail, and improve the planting efficiency and survival rate after planting.
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Description

Technical Field

[0001] This invention relates to the field of coral planting technology, and in particular to a high-efficiency coral planting nail. Background Technology

[0002] Coral reefs, hailed as "underwater rainforests," cover only 0.2% of the global ocean area, yet support over 25% of marine biodiversity, possessing irreplaceable value to marine ecosystems and human society. Over the past 30 years, up to 50% of the world's coral reefs have disappeared, primarily due to factors such as climate change, ocean acidification, overfishing, pollution, and coastal development. Natural recovery is extremely slow, and coral planting technology can shorten the recovery cycle to 5-10 years, becoming a key means of addressing the coral reef crisis. By cultivating healthy coral fragments or juveniles to a certain size in artificial nurseries and then transplanting them to degraded coral reef areas and stabilizing them, they regrow to form new coral communities, thereby accelerating the recovery of damaged coral reef ecosystems. The η-shaped planting nail is the most commonly used fixing tool in coral transplantation. It consists of an η-shaped structure with long legs, short legs, and a transition section. The bottoms of the long and short legs are sharp and are mainly used to fix it to the perforated reef base. The arc-shaped transition section in the middle is used to fix the coral. However, one η-shaped planting nail can only fix one coral implant. When the η-shaped planting nail is driven into the reef, it is easy to have an unbalanced force, which can cause the η-shaped planting nail to tilt or loosen, affecting the planting efficiency and the survival rate after planting. Summary of the Invention

[0003] In view of the above-mentioned prior art, the present invention provides a high-efficiency coral planting nail to improve planting efficiency and post-planting survival rate.

[0004] To achieve the above objectives, the technical solution of this invention is implemented as follows: A high-efficiency coral planting nail includes a long nail, a crossbar, and a short nail. The crossbar is provided on both sides of the long nail and is connected to the short nail. A movable rod is provided below the crossbar. The movable rod has a first through hole in the middle through which the long nail passes. The two ends of the movable rod are provided with U-shaped forks, which are slidably connected to the short nail. A first spring plate is provided above the movable rod and abuts against the bottom of the crossbar. The first spring plate is used to push the movable rod downward. The movable rod is provided with an elastic clamp for holding coral fragments.

[0005] Furthermore, the elastic clip is composed of two elastic C-shaped strips, which are connected to a lever. The lever has a bent portion in the middle, and the movable part has a columnar protrusion corresponding to the bent portion. The bent portion rotates around the columnar protrusion. When one end of the lever is pressed, the C-shaped strips of the elastic clip are opened under the action of leverage.

[0006] Furthermore, the C-shaped strip has a first pad made of polyurethane foam material on its inner side.

[0007] Furthermore, the movable rod is provided with a second spring plate, which is connected to the first end of the C-shaped strip. The two ends of the first pad are respectively connected to an elastic clip, and the middle of the first pad covers the gap between the two first spring plates.

[0008] Furthermore, the short stud and the crossbar are integrally formed, the crossbar has a second through hole in the middle, the long stud passes through the second through hole, and the crossbar is welded to the long stud.

[0009] Furthermore, the top of the crossbar is provided with a vertical bar, and the side of the vertical bar facing the coral fragment is provided with a second pad made of polyurethane foam material. The vertical bar is also provided with cable ties for binding the coral fragment.

[0010] Furthermore, the long nail has a circular cross-section, while the short nail and the crossbar have square cross-sections, and the edges of the crossbar are rounded.

[0011] Furthermore, the movable rod is formed into the first spring sheet by stamping and bending upwards.

[0012] Furthermore, the length of the long nail is 12-18 cm, the length of the short nail is 3.5-7.5 cm, the length of the crossbar is 7-13 cm, and the distance between the crossbar and the top of the long nail is 2-7 cm.

[0013] Furthermore, the top of the long spike is provided with a ball head, and the top of the ball head is provided with a striking surface.

[0014] The beneficial effects of this invention are as follows: Because short nails are provided on both sides of the long nail, the force on both sides is balanced during the nailing process into the reef, making it less prone to displacement. The nailed planting nail is vertically fixed to the reef. When the planting nail is impacted by ocean currents after being nailed into the reef, it does not rotate, which is beneficial for the stable growth of coral and improves the survival rate after coral transplantation. After a portion of each of the two short nails is also nailed into the reef, the planting nail generates internal stress due to its own deformation. Under the action of internal stress, the pressure of the sides of the short and long nails on the reef increases, thereby improving the adhesion between the planting nail and the reef. During coral planting, the movable rod is moved upward and compresses the first elastic plate, and then the coral is fixed in place using an elastic clamp. The fixed coral base is in contact with or close to the reef. After releasing the movable rod, the coral fragment adheres tightly to the reef under the action of the first elastic plate. The friction between the coral base and the reef improves the coral's anti-rotation ability and increases the survival rate of coral transplantation. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of a high-efficiency coral planting nail in an embodiment of this application; Figure 2 This is a side view of a high-efficiency coral planting nail in an embodiment of this application; Figure 3 This is a three-dimensional structural diagram of a high-efficiency coral planting nail in an embodiment of this application; Figure 4 This is a schematic diagram of a high-efficiency coral planting nail structure with a coral fragment fixed in an embodiment of this application. Explanation of icon numbers: 1. Long-legged nail; 2. Crossbar; 3. Short-legged nail; 4. Movable rod; 5. First through hole; 6. U-shaped fork; 7. First spring plate; 8. Elastic clip; 9. C-shaped strip; 10. Lever; 11. Bend; 12. Columnar protrusion; 13. First pad; 14. Second spring plate; 15. Vertical rod; 16. Second pad; 17. Cable tie; 18. Second through hole; 19. Ball head; 20. Striking surface. Detailed Implementation

[0016] The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the invention. In the following description, the expression "some embodiments" refers to a subset of all possible embodiments; however, it should be understood that "some embodiments" can be the same subset or different subsets of all possible embodiments and can be combined with each other without conflict.

[0017] It should also be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "inner," "outer," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0018] Please refer to the attached document. Figures 1-4This application provides a high-efficiency coral planting nail, including a long nail 1, a crossbar 2, and a short nail 3. The crossbar 2 is provided on both sides of the long nail 1 and is connected to the short nail 3. A movable rod 4 is provided below the crossbar 2. The movable rod 4 has a first through hole 5 through the long nail 1 in the middle. The two ends of the movable rod 4 are provided with U-shaped forks 6, which are slidably connected to the short nail 3. A first spring plate 7 is provided above the movable rod 4 and abuts against the bottom of the crossbar 2. The first spring plate 7 is used to push the movable rod 4 downward. The movable rod 4 is provided with an elastic clamp 8 for clamping coral fragments.

[0019] Using an underwater drill, a fixing hole is drilled in the reef. The long-legged nail 1 of the planting nail is then aligned with the fixing hole, and the top of the long-legged nail 1 is tapped with a hammer to insert it into the hole in the reef. The short-legged nail 3 is driven into the reef next to the fixing hole. The long-legged nail 1 plays the primary role in fixing, while the short-legged nail 3 provides secondary fixation. Because there are short-legged nails 3 on both sides of the long-legged nail 1, the force on both sides is balanced during the driving process into the reef, making it less prone to displacement. The planted nail is vertically fixed to the reef. Once driven into the reef, the planted nail does not rotate when impacted by ocean currents, which is beneficial for the stable growth of coral and improves the survival rate after transplantation. After parts of the two short-legged nails 3 are also driven into the reef, the planted nail generates internal stress due to its own deformation. Under the action of internal stress, the pressure of the sides of the short-legged nail 3 and the long-legged nail 1 on the reef increases, thereby improving the adhesion between the planted nail and the reef.

[0020] The movable rod 4 has a first through hole 5 in its middle, through which the long-legged nail 1 passes. U-shaped forks 6 are located at both ends of the movable rod 4, allowing it to slide stably up and down along the planting nail. A first elastic plate is positioned above the movable rod 4. When the movable rod 4 moves downwards, it compresses the first elastic plate. As the first elastic plate releases its elastic potential energy and returns to its original shape, it pushes the movable rod 4 downwards. During coral planting, the movable rod 4 is moved upwards to compress the first elastic plate, and then the coral is secured using an elastic clip 8. The fixed coral's bottom contacts or is close to the reef. After releasing the movable rod 4, the coral fragment adheres tightly to the reef under the action of the first elastic plate. This system utilizes the elastic clip 8 to secure the coral, and allows for planting on both sides of the long-legged nail, significantly improving planting efficiency. Furthermore, the friction between the coral's bottom and the reef enhances its anti-rotation ability, increasing the survival rate of the transplanted coral.

[0021] Specifically, the elastic clip 8 is composed of two elastic C-shaped strips 9, which are connected to a lever 10. The lever 10 has a bent portion 11 in the middle, and the movable member has a columnar protrusion 12 corresponding to the bent portion 11. The bent portion 11 rotates around the columnar protrusion 12. When one end of the lever 10 is pressed, the lever force opens the C-shaped strips 9 of the elastic clip 8. The C-shaped strips 9 are elastic, allowing them to open to accommodate coral fragments, and then return to their original position to clamp the coral fragments. The C-shaped strips 9 are connected to the lever 10, which has a bent portion 11 in a certain area in the middle. The movable member has a columnar protrusion at a position corresponding to the bent portion 11. The bent portion 11 of the lever 10 acts as a fulcrum. When one end of the lever 10 is pressed and brought closer together, the other end moves away from each other under the lever force, causing the elastic clip 8 to open. Therefore, during coral planting, the coral fragment can be held in place by opening the elastic clamps (10 levers, 8 clips). When dealing with coral fragments of different shapes, the elastic clamps can be used to hold the main branch or one of the branching branches, adapting to different coral fragment shapes.

[0022] Specifically, the C-shaped strip 9 has a first pad 13 made of polyurethane foam material on its inner side. The first pad 13 made of polyurethane foam material has several beneficial effects. Firstly, its porous surface provides an attachment site for algae, improving the survival rate of coral after planting. Secondly, when the coral comes into contact with its surface, the contact surface easily collapses under pressure, preventing damage to the coral's surface protrusions. Furthermore, its good elasticity and high contact friction with coral fragments effectively fix the coral fragments, preventing them from swaying or rotating due to ocean currents during planting, thus improving the survival rate of the planted coral.

[0023] Specifically, the movable rod 4 is equipped with a second spring plate 14, which is connected to the first end of the C-shaped strip 9. Each end of the first pad 13 is connected to an elastic clip 8, and the middle of the first pad 13 covers the gap between the two first spring plates 7. The second spring plate 14 allows the first end of the C-shaped strip 9 to also move. Under the operation of the lever 10, the elastic clip 8 can be expanded, making it easier to place the coral into the elastic clip 8 for fixation. The deformation of the second spring plate 14 and the displacement of the first end of the C-shaped strip 9 result in a flatter profile formed by the elastic clip 8, which is more adaptable to flat coral branches, leading to a higher survival rate for flat corals. Each end of the first pad 13 is connected to an elastic clip 8, and the middle of the first pad 13 covers the gap between the two first spring plates 7, increasing the contact area between the first pad 13 and the coral. This design allows for more stable coral fixation and less damage to the coral.

[0024] Specifically, the top of the crossbar 2 is provided with a vertical bar 15. A second pad 16 made of polyurethane foam is provided on the side of the vertical bar 15 facing the coral fragment. The vertical bar 15 is also equipped with cable ties 17 for binding the coral fragment. The cable ties 17 are used to further secure the coral fragment, improving its stability. The cable ties 17 fix the coral fragment to the vertical bar 15, and the second pad 16 made of polyurethane foam is placed between the coral fragment and the vertical bar 15. Like the first pad 13, the second pad 16 made of polyurethane foam has several beneficial effects.

[0025] Specifically, the short nail 3 and the crossbar 2 are integrally formed. The crossbar 2 has a second through hole 18 in the middle, through which the long nail 1 passes. The crossbar 2 is welded to the long nail 1. The integrally formed short nail 3 and crossbar 2 have high structural strength. Finally, the second through hole 18 is provided so that the crossbar 2 can pass through it, and the crossbar 2 and the long nail 1 are welded together using welding technology.

[0026] Specifically, the movable rod 4 is formed by stamping and bending upwards to form the first spring plate 7. After stamping, the movable rod 4 is bent to form the first spring plate 7.

[0027] Specifically, the long stud 1 has a circular cross-section, while the short stud 3 and the crossbar 2 both have square cross-sections. The edges of the crossbar 2 are rounded. The long stud 1 is designed to fit holes drilled by underwater drills. The short stud 3 and the crossbar 2 both have square cross-sections. The short stud 3 and the crossbar 2 are integrally formed and then bent. The square structure also makes it less prone to rotation after coral planting. The rounded corners reduce damage to the coral from the edges.

[0028] Specifically, the length of the long nail 1 is 12-18 cm, the length of the short nail 3 is 3.5-7.5 cm, the length of the crossbar 2 is 7-13 cm, and the distance between the top of the crossbar 2 and the long nail 1 is 2-7 cm. The dimensions are suitable for planting various corals.

[0029] Specifically, the top of the long nail 1 is provided with a ball head 19, and the top of the ball head 19 is provided with a striking surface 20. This facilitates the driving of the planting nail into the reef.

[0030] The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. The scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A high-efficiency coral planting nail, characterized in that, Includes a long spike (1), a crossbar (2) and a short spike (3). The crossbar (2) is provided on both sides of the long spike (1). The crossbar (2) is connected to the short spike (3). A movable rod (4) is provided below the crossbar (2). A first through hole (5) is provided in the middle of the movable rod (4) through the long spike (1). U-shaped forks (6) are provided at both ends of the movable rod (4). The U-shaped forks (6) are slidably connected to the short spike (3). A first spring plate (7) is provided above the movable rod (4). The first spring plate (7) abuts against the bottom of the crossbar (2). The first spring plate (7) is used to push the movable rod (4) downward. The movable rod (4) is provided with an elastic clamp (8) for clamping coral fragments.

2. The high-efficiency coral planting nail according to claim 1, characterized in that, The elastic clip (8) is composed of two elastic C-shaped strips (9), which are connected to a lever (10). The lever (10) has a bent part (11) in the middle. The movable part has a columnar protrusion (12) corresponding to the bent part (11). The bent part (11) rotates around the columnar protrusion (12). When one end of the lever (10) is pressed, the C-shaped strips (9) of the elastic clip (8) are opened under the action of leverage.

3. The high-efficiency coral planting nail according to claim 2, characterized in that, The C-shaped strip (9) has a first pad (13) made of polyurethane foam material on the inner side.

4. The high-efficiency coral planting nail according to claim 3, characterized in that, The movable rod (4) is provided with a second spring plate (14), the second spring plate (14) is connected to the first end of the C-shaped strip (9), and the two ends of the first pad (13) are respectively connected to an elastic clip (8). The middle part of the first pad (13) covers the gap between the two first spring plates (7).

5. The high-efficiency coral planting nail according to claim 1, characterized in that, The short nail (3) and the crossbar (2) are integrally formed. The crossbar (2) has a second through hole (18) in the middle. The long nail (1) passes through the second through hole (18). The crossbar (2) is welded to the long nail (1).

6. The high-efficiency coral planting nail according to claim 1, characterized in that, The top of the crossbar (2) is provided with a vertical bar (15), and the side of the vertical bar (15) facing the coral fragment is provided with a second pad (16) made of polyurethane foam material, and the vertical bar (15) is provided with a cable tie (17) for binding the coral fragment.

7. The high-efficiency coral planting nail according to claim 1, characterized in that, The long nail (1) has a circular cross-section, and the short nail (3) and the crossbar (2) have square cross-sections. The edge of the crossbar (2) is rounded.

8. The high-efficiency coral planting nail according to claim 1, characterized in that, The movable rod (4) is formed into the first spring sheet (7) by stamping and bending upward.

9. The high-efficiency coral planting nail according to claim 1, characterized in that, The length of the long nail (1) is 12~18CM, the length of the short nail (3) is 3.5~7.5CM, the length of the crossbar (2) is 7~13CM, and the distance between the top of the crossbar (2) and the long nail (1) is 2~7CM.

10. The high-efficiency coral planting nail according to claim 1, characterized in that, The top of the long spike (1) is provided with a ball head (19), and the top of the ball head (19) is provided with a striking surface (20).