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Lifting electromagnet control apparatus for accurately sucking and lifting single steel plate

A lifting electromagnet and control device technology, applied in the direction of transportation and packaging, load hanging components, etc., can solve the problems of complex operation, low adjustment accuracy, and inability to complete single steel plate suction and lifting, and achieve precise control and simple operation Effect

Inactive Publication Date: 2015-09-02
DALIAN XINGHANG ELECTROMECHANICAL EQUIP
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0002] When using an electromagnet to lift a steel plate, sometimes it is required to accurately lift a steel plate in a pile of steel plates. At present, the domestic electromagnet control device uses the method of combining an excitation switch and a potentiometer. When the excitation switch of the electromagnet is turned on Then adjust the magnitude of the magnetic force by adjusting the potentiometer to carry out accurate single-sheet suction and lifting of the steel plate. The problems of this method are: low adjustment accuracy, complicated operation, low efficiency, and sometimes it is impossible to complete the single-sheet suction and lifting of the steel plate; There are problems that the potentiometer is easy to wear and has a high failure rate

Method used

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  • Lifting electromagnet control apparatus for accurately sucking and lifting single steel plate

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Embodiment Construction

[0009] Embodiments, with reference to the accompanying drawings, a lifting electromagnet control device for accurately sucking and hoisting a single steel plate, including a rectifier transformer 1, a three-phase bridge full-control rectifier circuit 2, a voltage transformer 3, a lifting electromagnet 4, a current Transformer 5, analog-to-digital conversion module 6, trigger signal drive circuit 10, magnetic modulation switch 8, PLC control module 9 and sheet suction lifting control switch 7; it is characterized in that between the trigger signal drive circuit 10 and the analog-to-digital conversion module 6 A PLC control module 9 is connected between them, and the PLC control module 9 is connected with the single suction lifting control switch 7 and the magnetic switch 8; the rectifier transformer 1 is connected with a three-phase 380V power supply and a three-phase bridge full-control rectification circuit 2; the three-phase bridge The full control rectification circuit 2 is ...

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Abstract

The present invention belongs to a lifting electromagnet control apparatus for accurately sucking and lifting single steel plate. The lifting electromagnet control apparatus comprises a rectifier transformer 1, a three-phase bridge type fully-controlled rectification circuit 2, a voltage transformer 3, a lifting electromagnet 4, a current transformer 5, an analog-digital conversion module 6, a trigger signal driving circuit 10, a field-adjusting switch 8, a PLC control module 9 and a single plate sucking and lifting control switch 7, and is characterized in that the PLC control module 9 is connected between the trigger signal driving circuit 10 and the analog-digital conversion module 6, and is connected with the single plate sucking and lifting control switch 7 and the field-adjusting switch 8. With the lifting electromagnet control apparatus of the present invention, the single steel plate can be accurately sucked and lifted, and the operation is simple.

Description

technical field [0001] The invention belongs to lifting equipment, in particular to a lifting electromagnet control device for accurately absorbing and lifting a single steel plate. Background technique [0002] When using an electromagnet to lift a steel plate, sometimes it is required to accurately lift a steel plate in a pile of steel plates. At present, the domestic electromagnet control device uses the method of combining an excitation switch and a potentiometer. When the excitation switch of the electromagnet is turned on Then adjust the magnitude of the magnetic force by adjusting the potentiometer to carry out accurate single-sheet suction and lifting of the steel plate. The problems of this method are: low adjustment accuracy, complicated operation, low efficiency, and sometimes it is impossible to complete the single-sheet suction and lifting of the steel plate; There are problems that the potentiometer is easy to wear and has a high failure rate. Contents of the...

Claims

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Application Information

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IPC IPC(8): B66C1/06
CPCB66C1/06
Inventor 王连德姜中友
Owner DALIAN XINGHANG ELECTROMECHANICAL EQUIP