一种轧机AGC液压缸更换小车装置

By designing a hydraulic cylinder replacement trolley device for the rolling mill AGC, and utilizing deep groove wheel flange traveling wheels and lifting ring structures, the safety hazards and time waste problems in the hydraulic cylinder replacement process inside the rolling mill were solved, achieving an efficient and safe replacement process.

CN224512987UActive Publication Date: 2026-07-17SHANXI YONGSHUO NEW MATERIAL TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANXI YONGSHUO NEW MATERIAL TECH CO LTD
Filing Date
2025-07-27
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In the existing technology, the replacement process of the hydraulic cylinder of the rolling mill AGC is cumbersome, time-consuming and has high safety hazards, especially when operated in a narrow space, which can easily cause accidents and affect production efficiency and safety.

Method used

Design a rolling mill AGC hydraulic cylinder changing trolley device, including a support frame and a traveling structure. Utilizing deep groove wheel flange traveling wheels and lifting rings, the trolley can achieve stable movement and balanced traction on the rolling mill track, avoid derailment, and simplify the hydraulic cylinder reversing process.

Benefits of technology

It significantly shortens the replacement time of AGC hydraulic cylinders, reduces safety hazards, improves replacement efficiency, basically eliminates the probability of accidents, and ensures the continuity and safety of production.

✦ Generated by Eureka AI based on patent content.

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Abstract

本实用新型涉及一种轧机AGC液压缸更换小车装置,目的是解决现有液压缸更换时间长、事故多的技术问题,技术方案为:它包括支撑架结构和行走结构;支撑架结构包括两个第一支撑架和两个第二支撑架,第一支撑架和第二支撑架通过纵梁焊接形成上下两层框架,行走结构包括两个轮轴和四个行走轮,两个轮轴平行固设在第二支撑架的底面,四个行走轮分别通过轴承设置在两个轮轴的端部,行走轮的两侧设有深槽轮缘;第二支撑架的前后端面中心位置各设有一个吊环,前后吊环上分别连接牵引拉绳。本实用新型通过方便移动的小车结构,省去AGC液压缸的倾倒过程,解决了轧机机架内AGC液压缸更换倒运困难的问题,极大地缩短了检修时间,同时显著降低了安全隐患。
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Claims

1. A rolling mill AGC hydraulic cylinder replacement trolley device, characterized by, Including support frame structure and walking structure; The support frame structure includes two first support frames (2) and two second support frames (3). The first support frames (2) and the second support frames (3) are welded together by longitudinal beams to form an upper and lower frame. The lower second support frame (3) is used to install the wheel axle (4), and the upper first support frame (2) forms a support platform for carrying the AGC hydraulic cylinder (1). The walking structure includes two axles (4) and four walking wheels (6). The two axles (4) are fixed parallel to each other on the bottom surface of the second support frame (3). The four walking wheels (6) are respectively set at the ends of the two axles (4) through bearings, and the distance between the two walking wheels (6) is equal to the distance of the track (5). The two sides of the walking wheels (6) are provided with deep groove rims with a rim height of 20-25mm and an inner inclination angle of 60°, which are used to engage the edge of the rolling mill track and prevent the curve from derailing. The front and rear end faces of the second support frame (3) are each provided with a lifting ring (7), and the front and rear lifting rings (7) are respectively connected to traction ropes.

2. The rolling mill AGC hydraulic cylinder replacement trolley device according to claim 1, characterized in that, The second support frame (3) has symmetrical lifting rings (7) on both sides of the front and rear end faces, and the lifting rings (7) on the front and rear end faces are respectively connected to the traction ropes.

3. The rolling mill AGC hydraulic cylinder replacement trolley device according to claim 1, characterized in that, The rim surface of the walking wheel (6) is hardened to a hardness ≥ HRC45.