Double amplification energy consumption mechanism used between railway pier beams and railway

By combining a rotation amplification device, a bridge amplification device, and a self-resetting energy-dissipating damping device, a dual amplification energy-dissipating mechanism is formed, which solves the problems of insufficient deformation capacity and complex installation in railway bridges, and achieves rapid energy dissipation, self-recovery, and improved structural stability.

CN223706232UActive Publication Date: 2025-12-23CHINA RAILWAY XIAN GRP CO LTD
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Patent Information

Application Number
CN202423006944.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-12-23
Estimated Expiration
2034-12-05

AI Technical Summary

Technical Problem

Existing vibration damping and energy dissipation devices are insufficient in deformation capacity in railway bridges, cannot quickly dissipate energy and self-recover, and have complex structures and are cumbersome to install.

Method used

A dual amplification and energy dissipation mechanism is formed by combining a rotation amplification device, a bridge amplification device, and a self-resetting energy dissipation damping device. The self-resetting component and the energy dissipation component are integrated into one structure and connected by a rotation chain and a force transmission chain to improve the stability and energy dissipation capacity of the structure.

Benefits of technology

It improves the energy dissipation capacity of the bridge structure, reduces the relative displacement between piers and beams, realizes post-earthquake structural reset and energy consumption, avoids damage to the main structure, ensures the stability and functional recovery of the bridge, and simplifies the installation process.

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Abstract

The utility model discloses a double amplification energy consumption mechanism used between railway pier beams and a railway, comprising a rotation amplification device, one end of which is arranged at the bottom of a main beam and the other end of which is arranged on a pier; one end of the bridge-type amplifying device is connected with the rotary amplifying device, the other end of the bridge-type amplifying device is connected with a bridge pier lug plate, and the end of the bridge pier lug plate is arranged on the bridge pier; the self-resetting energy consumption damping device is arranged in the bridge type amplifying device; the self-resetting energy dissipation damping device comprises a self-resetting assembly and an energy dissipation assembly, and the self-resetting assembly and the energy dissipation assembly are of an integrated structure. According to the mechanism, through mutual cooperation of the rotation amplifying device, the bridge type amplifying device and the self-resetting energy dissipation damping device, the energy dissipation capacity of a bridge structure is improved, the relative displacement between a pier and a pier beam is reduced, structural resetting after an earthquake and energy consumption in the earthquake are achieved through self-resetting energy dissipation, damage to components of a bridge main body structure is avoided, and the service life of the bridge is prolonged. Damage control and post-earthquake function restorability of the bridge structure are achieved.
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