A new type of Z-shaped purlin section reinforcing device

By designing a cold-formed reinforcement and fastener connection suitable for Z-shaped purlins, the problems of purlin deformation and insufficient fit of the reinforcement device were solved, realizing fast and low-cost purlin reinforcement, improving the bending stiffness and overall stability of the purlins, and adapting to the needs of purlins of different specifications.

CN224338669UActive Publication Date: 2026-06-09JIANGSU CONSNO NEW MATERIALS CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU CONSNO NEW MATERIALS CO LTD
Filing Date
2024-12-31
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing Z-type purlins are prone to deformation or damage when subjected to heavy loads. Furthermore, existing reinforcement devices do not fit the purlins well enough, have poor specification compatibility, and cannot effectively disperse stress, resulting in safety hazards and high construction costs.

Method used

A novel Z-shaped purlin section reinforcement device is designed, comprising a main beam, Z-shaped purlins, reinforcement components, and fasteners. The cold-bent metal reinforcement components are tightly fitted to the purlins, and the fasteners achieve a firm connection. It is suitable for purlins of different specifications, and can be quickly installed and distribute load stress.

Benefits of technology

It significantly improves the bending stiffness and overall stability of purlins, reduces construction difficulty and cost, adapts to the needs of purlins with different spans and specifications, ensures uniform stress transmission, avoids secondary stress concentration, and enhances the safety and applicability of roof structures.

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Abstract

The utility model discloses a novel Z type purlin section reinforcing device, including main beam, Z type purlin, reinforcing part and fastener, Z type purlin is fixed on the main beam, and reinforcing part is detachably connected with connecting piece through fastener, and reinforcing part has the structure that matches with the section of Z type purlin, is used for being combined with Z type purlin and forms reinforcing. It is suitable for improving the bearing capacity and overall stability of Z type purlin structure, satisfies the demand of purlin enhancement in building roof reconstruction and new project. The device is simple in design, strong in adaptability, can reduce material use, optimizes construction process, significantly improves construction efficiency and economic benefits, and provides an efficient, economical reinforcing solution for steel structure building.
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