High-precision high-plasticity cold-drawn hexagonal steel for aircraft
By introducing reinforcing structures, corrosion inhibitor microcapsules, and limiting components into cold-drawn hexagonal steel sections, the corrosion and connection problems of the steel sections were solved, achieving high corrosion resistance and convenient installation, and extending service life.
CN224352759UActive Publication Date: 2026-06-12ZHEJIANG YALEI STEEL COLD DRAWING
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG YALEI STEEL COLD DRAWING
- Filing Date
- 2025-06-30
- Publication Date
- 2026-06-12
AI Technical Summary
Technical Problem
Existing cold-drawn hexagonal steel is prone to corrosion in the aerospace field, has a high risk of galvanic corrosion, and the connection method is inconvenient to disassemble. Welding also pollutes the air and is harmful to health.
Method used
A reinforcing structure, stiffening ribs, corrosion inhibitor microcapsules, and a sealing layer are introduced into cold-drawn hexagonal steel. A protective film is formed by plasma spraying, and a limiting component is used to achieve convenient installation and disassembly.
Benefits of technology
It improves the corrosion resistance and strength of the steel profile, extends its service life, reduces the risk of galvanic corrosion, and simplifies the installation and disassembly process.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224352759U_ABST
Abstract
The utility model discloses an aircraft is with high accuracy high plasticity cold drawing hexagonal shape steel, including steel body, first cavity, second cavity, reinforcing structure, reinforcing rib, third cavity and corrosion inhibitor microcapsule, the inside center of steel body is equipped with first cavity, the periphery of first cavity is equipped with second cavity, the inside of second cavity is equipped with reinforcing structure, and reinforcing structure is composed by reinforcing rib, the surface of steel body is equipped with shallow third cavity, and the inside embedding of third cavity has corrosion inhibitor microcapsule, first cavity is regular hexagon honeycomb structure, and regular hexagon honeycomb cavity evenly distributes in the inside axial direction of steel body, the number of reinforcing rib has a plurality of, and a plurality of reinforcing rib is annular and equally spaced distribution in second cavity, the utility model discloses can improve the corrosion -resistant performance of steel body, and then prolongs the service life of steel body, and simultaneously, the installation and dismounting of steel body are convenient.
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