An equipment type self-locking sliding rail support unloading block

By using the sliding cooperation mechanism of the frustum-shaped support and the side thrust block, the safety hazards and operational inconvenience of the support device for the cast-in-place section of the bridge are solved, achieving stability and simplified disassembly, and improving construction efficiency and safety.

CN224431262UActive Publication Date: 2026-06-30周禹
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
周禹
Filing Date
2025-07-31
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

In existing bridge cast-in-place support systems, the welded connection of steel wedge blocks is unstable, sand cylinders are prone to moisture, and ordinary unloading blocks are prone to damaging blind plates, resulting in construction safety hazards and operational inconveniences.

Method used

It adopts a sliding engagement mechanism between a frustum-shaped support and a side push block, and achieves a self-locking function through the drop frame bolts, avoiding the safety hazards of welding and sand cylinders, and using the component force of the conical surface to achieve stability and simplify disassembly.

Benefits of technology

It improves construction safety, simplifies the dismantling process, enhances construction efficiency and reusability, and avoids the safety hazards and operational inconveniences of traditional methods.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224431262U_ABST
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Abstract

This utility model belongs to the technical field of bridge construction equipment, specifically relating to an equipment-type self-locking sliding rail bracket unloading block, including an upper support, a lower support, two side push blocks, and a unloading bolt. The upper support has a frustum-shaped longitudinal section. The lower support has the same structure as the upper support and is symmetrically arranged along the frustum. A connecting base plate is fixedly installed below the lower support for connection with a steel support. The two side push blocks are respectively arranged between the upper and lower supports, and the upper and lower sides of the side push blocks are respectively in contact with the conical surfaces of the upper and lower supports. At least one unloading bolt passes through the side push block, and nuts are threaded to both ends of the unloading bolt.
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