A porcelain bottle protection fixing frame for drop-out fuse

CN224400356UActive Publication Date: 2026-06-23ZHEJIANG SHANGJIN ELECTRIC POWER TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG SHANGJIN ELECTRIC POWER TECH CO LTD
Filing Date
2025-08-06
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

The existing fixing devices for drop-out fuse insulators are prone to loosening, have poor adaptability, and are inconvenient to install and maintain, resulting in a high risk of insulator detachment, increasing operation and maintenance costs and safety hazards.

Method used

A fixing device is designed, comprising a protective fixing frame body, a fixing plate, a fixing frame locking block, a front and rear tilt angle adjustment block, and a porcelain bottle fixing hook. The device achieves a stable connection through a hinge and locking block structure, and is combined with an angle adjustment groove and adjustment hole to adapt to different installation requirements.

Benefits of technology

This achieves a stable connection between the porcelain insulator and the composite insulating crossarm, preventing detachment, improving the ease of installation and applicability, and reducing operation and maintenance costs and safety risks.

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    Figure CN224400356U_ABST
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Abstract

The utility model discloses a drop type fuse porcelain bottle protection fixing frame, including protection fixing frame main part, fixed plate, fixed frame lock block, front and back inclination angle adjusting block, porcelain bottle fixed hook and install hook angle adapter. Through fixed frame lock block realizes and compound insulation cross arm's lock and unlock, the connecting portion cooperation front and back inclination angle adjusting block of main part side portion realizes inclination angle regulation, and four sets of adjusting holes are established to front and back inclination angle adjusting block, can realize four -bar length regulation, and porcelain bottle fixed hook is semicircular arc shape, and bottom is equipped with reinforcing rib adaptation porcelain bottle, and the angle adapter of side edge is convenient for insulating rod operation. The fixed frame installation is simple, and can be live operation, and adapts different installation distance and angle, can effectively prevent porcelain bottle from falling because of connecting piece failure, is applicable to 20KV and below transmission line, and service life is long.
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