Drawing type lead anti-bird thorn

By combining a hydraulic telescopic rod with a quick-release structure, the problem of bird spikes being difficult to fix to the wires is solved, achieving adaptive clamping and quick assembly/disassembly, preventing wear, and improving bird protection effectiveness and installation efficiency.

CN224368889UActive Publication Date: 2026-06-19FUKANG GUOJIN ELECTRIC CO LTD
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Patent Information

Application Number
CN202521537659.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-23
Publication Date
2026-06-19
Estimated Expiration
2035-07-23

AI Technical Summary

Technical Problem

In the existing technology, bird spikes are difficult to fix to the conductor. Loose bird spikes may rub against the conductor under the action of wind, which may wear down the insulation layer and may cause strand breakage or fracture in the long run.

Method used

The device employs a combination of hydraulic telescopic rods, movable plates, clamping plates, limiting blocks, sliding rods, springs, limiting plates, fixing blocks, first threaded rods, fastening blocks, and second threaded rods. The movable plates are driven to press down by the hydraulic telescopic rods, and the elastic return of the springs achieves adaptive clamping, preventing the bird spikes from shifting or loosening under wind force. Tool-free assembly and disassembly are achieved through a quick-pull structure between the upper and lower outer shells.

Benefits of technology

It achieves adaptive clamping of the bird spikes, preventing loosening and wear, improving installation and maintenance efficiency, expanding the bird protection range, and enhancing the bird protection effect.

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Abstract

The utility model provides a pull type lead anti-bird thorn, and relates to the field of anti-bird thorns. Comprising an upper shell, a clamping mechanism is arranged on the inner side of the upper shell, the clamping mechanism comprises a hydraulic telescopic rod fixedly connected with the inner side of the upper shell, a movable plate is fixedly connected to the telescopic end of the hydraulic telescopic rod, a clamping plate is fixedly connected to the lower surface of the movable plate, and a limiting block is clamped to the inner side of the clamping plate; and one side of the limiting block is fixedly connected with a sliding rod. According to the anti-bird thorn, the hydraulic telescopic rod, a movable plate, a clamping plate, a limiting block, a sliding rod, a spring, a limiting plate, a fixed block, a first threaded rod, a fastening block and a second threaded rod are used in cooperation, the hydraulic telescopic rod drives the movable plate to press downwards, and the anti-bird thorn is fixed through clamping cooperation of the clamping plate and the limiting block in combination with the elastic reset effect of the spring; the anti-bird thorn can adapt to wires with different diameters and keep constant clamping force, displacement or looseness of the anti-bird thorn under the action of wind power is effectively prevented, and the anti-bird thorn can be fixed to the wires.
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