A lifting electromagnet for hoisting high-temperature steel billets

By designing the lifting electromagnet as a hollow structure and adopting an internal cooling circulation system, the problems of low cooling efficiency and weld cracking during the lifting of high-temperature steel billets were solved, achieving rapid cooling and improved equipment durability.

CN224417600UActive Publication Date: 2026-06-26YUEYANG ZHIYUAN ELECTROMAGNETIC TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YUEYANG ZHIYUAN ELECTROMAGNETIC TECH CO LTD
Filing Date
2025-08-05
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Existing lifting electromagnets suffer from low cooling efficiency and easy cracking of the non-magnetic protective plate welds when lifting high-temperature steel billets. In particular, the material mismatch during water cooling leads to weld cracking and difficulty in rapidly cooling the internal coils.

Method used

The electromagnet core and outer magnets are designed as a hollow structure, and cooling water is circulated from the inside for cooling. A circulating cooling system is formed by a water pump, inlet pipe and outlet pipe to prevent the non-magnetic protective plate from coming into contact with water to prevent weld cracking. The cooling water channel adopts a trapezoidal structure and is hard chrome plated, and is sealed with fluororubber O-rings.

Benefits of technology

This technology enables rapid cooling of the electromagnet, avoids cracking of the weld seam of the non-magnetic protective plate, and improves work efficiency and equipment durability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hoist electromagnet for hoisting high temperature steel billet, including roof, electromagnet core, outer magnetic pole, inner magnetic pole, excitation coil and non -magnetic protection board, its characterized in that: still include water suction pump, inlet pipe, drain pipe, the hollow structure of electromagnet core and outer magnetic pole, water suction pump, inlet pipe, drain pipe and the hollow structure constitute circulating cooling system. The utility model discloses cooling from the inside of electromagnet core and outer magnetic pole with cooling water, and non -magnetic protection board can not contact water when cooling, can prevent non -magnetic protection board weld cracking.
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