Crane electromagnet for lifting high-temperature vertical steel roll

A lifting electromagnet and electromagnet technology, which is applied in the field of lifting electromagnet, can solve the problems of high energy consumption and self-heavy weight of the electromagnet, and achieve the effect of improving the lifting capacity, reducing the self-weight, and facilitating heat dissipation

Inactive Publication Date: 2007-11-14
杨祖成
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, plum blossom-shaped electromagnets and other multi-pole electromagnets are generally used for hoisting cold vertical steel coils, which can basically meet the requirements. However, due to the specific temperature field and magnetic circuit characteristics of coils under high temperature conditions, the temperature of these electromagnet coils rises rapidly. The problem is difficult to solve, so it is usually to add a little heat insulation means to the original lifting cold vertical steel coil electromagnet, such as adding a layer of asbestos at the bottom of the coil, but mainly rely on increasing the number of ampere turns to solve the lifting high temperature. The problem of the rapid heating of the coil when the steel coil is erected is to meet the needs of lifting; thus the electromagnet consumes a lot of energy and has a large self-weight

Method used

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  • Crane electromagnet for lifting high-temperature vertical steel roll

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Embodiment Construction

[0013] It can be seen from Fig. 1 and Fig. 3 that the lifting electromagnet for hoisting high-temperature vertical steel coils in the present invention is an electromagnet with two magnetic poles in a "U"-shaped structure, with two coils 2 and magnetic poles 4, and the coil 2 is installed in the housing. , and weld the end plate of the shell, the outer periphery of the shell is an antimagnetic plate, the magnetic pole 4 is fixed with the iron core 3 by bolts, and the inner bottom surface of the magnetic pole 4 is welded with a support plate 5 perpendicular to it. The height of the support plate 5 is 200mm. The rest of the bottom surface of the magnetic pole 4 is evenly fixed with rope clips on the upper ends of multiple flexible magnetic poles 1, and the lower ends are free to hang down. The length of the flexible magnetic poles 1 is 20mm greater than the height of the support plate 5; The sum of the cross-sectional area of ​​the upper support plate 5 is equal to the cross-sect...

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Abstract

The invention discloses a lift electromagnet to swing the high temperature vertical steel coil. The loop and the poles of the electromagnet are even number; the polarities of adjacent poles are opposite which the two poles are 'U' shape electromagnet; the electromagnet with more than four poles is 'cinquefoil'; a supporting board is connected in the bottom of the poles vertically; the other undersides are connected with many soft poles which the up end is fixed and the lower end is free; the length of it is longer than the supporting height. The invention has the strong swing ability and low energy cost, light weight and work credibility.

Description

technical field [0001] The invention relates to a lifting electromagnet, in particular to a lifting electromagnet for lifting high-temperature vertical steel coils. Background technique [0002] In coil production, it is often necessary to lift coils under high temperature conditions, such as lifting vertical steel coils in annealed state (that is, steel coils whose axis is perpendicular to the horizontal plane), and the temperature of these products is generally between 100°C and 500°C. At present, plum blossom-shaped electromagnets and other multi-pole electromagnets are generally used for hoisting cold vertical steel coils, which can basically meet the requirements. However, due to the specific temperature field and magnetic circuit characteristics of coils under high temperature conditions, the temperature of these electromagnet coils rises rapidly. The problem is difficult to solve, so it is usually to add a little heat insulation means to the original lifting cold vert...

Claims

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Application Information

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IPC IPC(8): B66C1/06
Inventor 杨祖成宋钰周洋代宋宁
Owner 杨祖成
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