A lightning rod device for a communication tower

Abstract

The utility model relates to lightning arrester technical field discloses a lightning rod device for communication iron tower, including six prism center pole, the six prism center pole bottom sliding connection has the upper slide post, the upper slide post bottom fixedly connected with lower slide post, the six prism center pole top fixedly connected with copper needle tip, the copper needle tip bottom is established the needle tip card seat, the needle tip card seat bottom fixedly connected with manual pull rope, the manual pull rope top fixedly connected with tower body guide ring, the manual pull rope bottom fixedly connected with winch subassembly, the manual pull rope outside fixedly connected with weight, the six prism center pole top end fixedly connected with spring hook, the spring hook bottom fixedly connected with windproof stay. In the utility model, make zero inclination angle to drift through the mode of full mechanical connection, avoid the loose arc hidden danger, also greatly reduced the later maintenance difficulty and maintenance cost.

Description

Technical Field

[0001] This utility model relates to the field of lightning protection device technology, and in particular to a lightning rod device for communication towers. Background Technology

[0002] A lightning rod is a device used to protect buildings, tall trees, and other structures from lightning strikes. A lightning rod is installed at the top of the protected object and connected to an underground grounding network using a compliant conductor. Lightning rod specifications must conform to national standards, and the required height varies depending on the lightning protection category.

[0003] Currently, traditional communication tower lightning protection adopts a comprehensive technical system of "external direct lightning strike protection + internal induced lightning protection". The first layer of "external direct lightning strike protection" is set at the top and body of the tower, using lightning rods, down conductors and grounding grids to directly conduct lightning into the ground, preventing lightning from directly striking the antenna or equipment room. The second layer of "internal induced lightning protection" is set in the equipment room and lines, using shielding, grounding and multi-stage surge protectors (SPDs) to further weaken or discharge the high voltage and high current induced by lightning, ensuring the safety of communication equipment.

[0004] In the current technology, high-frequency vibration of the tower and wind swing cause the lightning rod to tilt. Fixed lightning rods cannot be aligned with the weakest point of the electric field in real time. Secondly, the down conductor is shared with the tower. Long-term vibration causes the welds / bolts to loosen, the contact resistance to increase, and electric arcs to be generated. Moreover, the height and position of the lightning rod need to be redesigned as the equipment changes, which results in a long modification cycle. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a lightning rod device for communication towers, which aims to improve the problems of tilt drift, arc loosening hazards and time-consuming modification in the existing technology.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A lightning rod device for a communication tower includes a hexagonal prism central rod, a sliding column slidably connected to the bottom of the hexagonal prism central rod, a copper needle tip fixedly connected to the top of the hexagonal prism central rod, a needle tip holder at the bottom of the copper needle tip, a manual pull rope fixedly connected to the bottom of the needle tip holder, a tower guide ring fixedly connected to the top of the manual pull rope, a winch assembly installed at the bottom of the manual pull rope, the winch assembly installed on the right side of the sliding column, a spring hook fixedly connected to the top of the hexagonal prism central rod, and a windproof guy wire fixedly connected to the bottom of the spring hook.

[0008] As a further description of the above technical solution:

[0009] The winch assembly includes a winch drum, which is fixedly connected to the bottom of the manual pull rope. A hand-cranked winch is fixedly connected to the right side of the winch drum, and a winch handle is fixedly connected to the right side of the hand-cranked winch.

[0010] As a further description of the above technical solution:

[0011] The bottom of the hexagonal prism central rod is fixedly connected to a central rod base, and the top of the central rod base is fixedly connected to multiple evenly distributed fan ribs. The fan ribs are abutted against a dustproof canvas cover.

[0012] As a further description of the above technical solution:

[0013] The bottom of the central rod of the hexagonal prism is slidably connected to an upper sliding column, the bottom of the upper sliding column is fixedly connected to a lower sliding column, and the side wall of the lower sliding column abuts against the central rod locking pin.

[0014] As a further description of the above technical solution:

[0015] A return torsion spring is fixedly connected to the top of the center rod base, and the fan bone is fixedly connected to the other end of the return torsion spring.

[0016] As a further description of the above technical solution:

[0017] One end of the return torsion spring is fixedly connected to a round pin, and the round pin is fixedly connected to the top position of the center rod base.

[0018] As a further description of the above technical solution:

[0019] A weight is fixedly connected to the outside of the manual pull rope;

[0020] As a further description of the above technical solution:

[0021] The other end of the windproof guy wire is fixedly connected to a spiral ground anchor.

[0022] This utility model has the following beneficial effects:

[0023] 1. In this utility model, by unfolding the hexagonal prism fan ribs to form a rigid space, and with the help of the plumb line constraint, the lightning rod always remains plumb, and the tilt drift is mechanically locked, achieving 0 tilt drift.

[0024] 2. In this utility model, all connections are mechanical connections, with no exposed welds or bolts. The contact surface remains constant under vibration conditions, completely eliminating the risk of electric arc caused by loosening.

[0025] 3. In this invention, the components are connected mechanically, eliminating the need for complex power lines, switches, controllers, fiber optic cables, and other electrical components. This not only simplifies the display case's structure and reduces initial installation costs, but also significantly reduces the difficulty and cost of subsequent maintenance. Regular inspections and repairs by professional electrical personnel are unnecessary, making daily maintenance simpler and more convenient. Attached Figure Description

[0026] Figure 1 This is a three-dimensional schematic diagram of a lightning rod device for communication towers proposed in this utility model;

[0027] Figure 2 This is a schematic diagram of the slide rail guide structure of a lightning rod device for communication towers proposed in this utility model;

[0028] Figure 3 This is a schematic diagram of the structure of the manual operation component of a lightning rod device for communication towers proposed in this utility model;

[0029] Figure 4 This is a schematic diagram of the structure of a folding truss for a lightning rod device for a communication tower proposed in this utility model;

[0030] Figure 5 This is a schematic diagram of the spring hook structure of a lightning rod device for communication towers proposed in this utility model;

[0031] Figure 6 This is a schematic diagram of the structure of the center rod locking pin of a lightning rod device for communication towers proposed in this utility model.

[0032] Legend:

[0033] 1. Hexagonal prism center rod; 2. Needle tip holder; 3. Upper sliding column; 4. Lower sliding column; 5. Dustproof canvas cover; 6. Copper needle tip; 7. Center rod base; 8. Fan rib; 9. Round pin; 10. Return torsion spring; 11. Winch handle; 12. Center rod locking pin; 13. Manual pull rope; 14. Winch drum; 15. Hand-cranked winch; 16. Weight; 17. Tower guide ring; 18. Windproof guy wire; 19. Spring hook; 20. Spiral ground anchor. Detailed Implementation

[0034] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only one system embodiment of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0035] Reference Figures 1-6This utility model provides an embodiment of a lightning rod device for communication towers, comprising a hexagonal prism central rod 1. This design not only enhances the stability of the structure but also improves the lightning current conduction efficiency by increasing the surface area. A copper needle tip 6 is fixedly connected to the top of the hexagonal prism central rod 1. As the part that directly contacts lightning, the copper needle tip 6's excellent conductivity ensures that lightning can be quickly and safely conducted to the ground. A needle tip holder 2 is provided at the bottom of the copper needle tip 6, which supports and fixes the copper needle tip 6, enabling it to better cope with more special conditions. A manual pull rope 13 is fixedly connected to the bottom of the needle tip holder 2. The manual pull rope 13 is a key component for raising and lowering the lightning rod device, making it possible to maintain and adjust the height of the lightning rod. A tower guide ring 17 is fixedly connected to the top of the manual pull rope 13, which ensures that the manual pull rope 13 moves correctly along the tower surface and prevents the manual pull rope 13 from swinging or deviating from the predetermined path. The manual pull rope 13 is equipped with a winch assembly at its bottom. Through the coordinated action of the manual operation assembly, the height of the lightning rod can be effectively and quickly adjusted. Similarly, the winch assembly stabilizes the lightning rod and reduces the impact of extreme weather by adjusting the tension of the manual pull rope 13. A weight 16 is fixedly connected to the outside of the manual pull rope 13. The addition of the weight 16 improves the stability of the lightning rod, especially in the case of strong winds, which helps to maintain the vertical position of the lightning rod and reduce swaying. A spring hook 19 is fixedly connected to the top of the hexagonal prism central rod 1. The design of the spring hook 19 allows the lightning rod to have a certain buffer when it is struck by lightning, reducing the impact on the tower structure. A windproof guy wire 18 is fixedly connected to the bottom of the spring hook 19. The windproof guy wire 18 further enhances the stability of the lightning rod. A spiral ground anchor 20 is fixedly connected to the other end of the windproof guy wire 18. The design of the spiral ground anchor 20 ensures the stability of the lightning rod device under extreme weather conditions.

[0036] refer to Figure 2 and Figure 6 The top of the hexagonal prism center rod 1 is slidably connected to an upper sliding column 3. This sliding connection allows the center rod to move up and down within a certain range to adapt to thermal expansion and contraction caused by temperature changes and reduce structural stress. The bottom of the hexagonal prism center rod 1 is fixedly connected to a lower sliding column 4. The design of the lower sliding column 4 provides stable bottom support for the lightning rod. The side wall of the lower sliding column 4 abuts against a center rod locking pin 12. The locking pin can lock the position of the center rod when needed to ensure the stability of the lightning rod at a specific height.

[0037] refer to Figure 2 and Figure 4The hexagonal prism central rod 1 is fixedly connected to a central rod base 7 at its bottom, providing a solid foundation for the entire lightning rod device. Multiple evenly distributed fan ribs 8 are fixedly connected to the top of the central rod base 7. The design of the fan ribs 8 enhances the structural strength of the base and evenly distributes the wind force borne by the lightning rod. A dustproof canvas cover 5 is attached to the outside of each fan rib 8, protecting it from environmental corrosion and reducing wind resistance. A return torsion spring 10 is fixedly connected to the top of the central rod base 7. The function of the return torsion spring 10 is to automatically return the lightning rod to its original position after being subjected to external force, maintaining the stability of the lightning rod. Each fan rib 8 is fixedly connected to one end of the return torsion spring 10. This connection method ensures the correct movement of the fan rib 8 under the action of the torsion spring. A round pin 9 is fixedly connected to one end of the return torsion spring 10. The round pin 9 is fixedly connected to the top of the central rod base 7, serving as a fixing point for the torsion spring and ensuring the stability of the torsion spring and the correct movement of the fan rib 8.

[0038] refer to Figure 3 The winch assembly includes a winch drum 14, with a hand-cranked winch 15 fixedly connected to the right side of the winch drum 14. The hand-cranked winch 15 is the main tool for operators to control the raising and lowering of the lightning rod. A winch handle 11 is fixedly connected to the right side of the hand-cranked winch 15. The handle is ergonomically designed, making operation more effortless and convenient. The winch assembly is installed on the right side of the sliding column 4. This layout makes winch operation more convenient and saves space. This layout also helps to reduce the possibility of the winch drum 14 being affected by the external environment, such as rain and dust, thus improving the durability and reliability of the winch drum 14.

[0039] Working principle: When retracting, the hexagonal prism center rod 1 is completely retracted into the sliding column 4, while the copper needle tip 6 remains exposed at the top. Its lower end is threaded and tightened onto the needle tip holder 2. The needle tip holder 2 is fixed to the upper end of the manual pull rope 13 through a through hole and knotted. The return torsion spring 10 is sleeved on the outside of the round pin 9, and its two ends are respectively inserted into the center rod base 7 and the fan ribs 8, so that the six fan ribs 8 are tightly attached to the sliding column 4. The dustproof canvas cover 5 is wrapped around the outer circumference of the fan ribs 8 with Velcro. When ascending and unfolding, the winch handle 11 of the hand crank 15 is turned clockwise, which drives the winch drum 14 to wind the manual pull rope 13. The weight 16 moves upward along the manual pull rope 13 to store energy. The pull rope is guided by the tower guide ring 17 to maintain verticality. The hexagonal prism center rod 1 rises in a straight line along the slide rails of the upper sliding column 3 and the lower sliding column 4. The top of the center rod pushes the fan ribs 8. When the return torsion spring 10 is compressed, the fan ribs expand outward by 90° around the circular pin 9 to form a rigid hexagonal prism. When the spring pin of the center rod locking pin 12 pops out and is inserted into the locking hole of the upper sliding column 3 and the center rod 1 of the hexagonal prism, during lightning protection, the expanded hexagonal prism and the slide rail together constrain the verticality of the center rod. When the tower body sways, the tilt angle is ≈0. The copper needle tip 6 is located at the top to form a continuous conductive path. The spring hook 19 hooks the windproof guy wire 18, and its lower end is connected to the spiral ground anchor 20 to form a three-point tension wind-resistant system. When retracting and resetting, the center rod locking pin 12 is pulled out, the ratchet of the hand crank winch 15 is released counterclockwise, the weight 16 falls and releases potential energy, the return torsion spring 10 resets, the fan ribs 8 automatically fold, the center rod 1 of the hexagonal prism falls back to the bottom of the sliding column 4, and the dustproof canvas cover 5 re-wraps the fan ribs 8.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model 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 the system technical features therein. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A lightning rod device for communication towers, comprising a hexagonal prism central rod (1), characterized in that: The bottom of the hexagonal prism center rod (1) is slidably connected to a sliding column (4), the top of the hexagonal prism center rod (1) is fixedly connected to a copper needle tip (6), the bottom of the copper needle tip (6) is provided with a needle tip holder (2), the bottom of the needle tip holder (2) is fixedly connected to a manual pull rope (13), the top of the manual pull rope (13) is fixedly connected to a tower body guide ring (17), the bottom of the manual pull rope (13) is equipped with a winch assembly, the winch assembly is installed on the right side of the sliding column (4), the top of the hexagonal prism center rod (1) is fixedly connected to a spring hook (19), and the bottom of the spring hook (19) is fixedly connected to a windproof pull line (18).

2. The lightning rod device for communication towers according to claim 1, characterized in that: The winch assembly includes a winch drum (14), which is fixedly connected to the bottom of the manual pull rope (13). A hand-cranked winch (15) is fixedly connected to the right side of the winch drum (14), and a winch handle (11) is fixedly connected to the right side of the hand-cranked winch (15).

3. The lightning rod device for communication towers according to claim 1, characterized in that: The bottom of the hexagonal prism center rod (1) is fixedly connected to a center rod base (7), and the top of the center rod base (7) is fixedly connected to multiple evenly distributed fan ribs (8), and the outside of the fan ribs (8) is a dustproof canvas cover (5).

4. The lightning rod device for communication towers according to claim 1, characterized in that: The bottom of the hexagonal prism center rod (1) is slidably connected to an upper sliding column (3), and the side wall of the lower sliding column (4) is abutted against a center rod locking pin (12).

5. A lightning rod device for communication towers according to claim 3, characterized in that: The center rod base (7) is fixedly connected to a return torsion spring (10) at the top, and the fan rib (8) is fixedly connected to the other end of the return torsion spring (10).

6. A lightning rod device for communication towers according to claim 5, characterized in that: One end of the return torsion spring (10) is fixedly connected to a round pin (9), which is fixedly connected to the top position of the center rod base (7).

7. A lightning rod device for communication towers according to claim 4, characterized in that: A weight (16) is fixedly connected to the outside of the manual pull rope (13).

8. A lightning rod device for communication towers according to claim 1, characterized in that: The other end of the windproof guy wire (18) is fixedly connected to a spiral ground anchor (20).

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