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Translation control system and method for feeding arm of heating furnace

A technology of control system and feeding arm, which is applied in the direction of control/regulation system, non-electric variable control, position/direction control, etc., and can solve problems such as billet slipping, jamming, and falling edge

Active Publication Date: 2014-10-08
MAGANG (GROUP) HOLDING CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen from the above that under the manual and automatic control methods, the billet on the material arm often appears to slide and fall toward the outside of the furnace, and sometimes the billet slips and gets stuck between the feeding furnace wall and the furnace mouth billet push stop

Method used

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  • Translation control system and method for feeding arm of heating furnace
  • Translation control system and method for feeding arm of heating furnace
  • Translation control system and method for feeding arm of heating furnace

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Embodiment Construction

[0018] Below, referring to the accompanying drawings, through the description of the embodiments, the specific implementation of the present invention, such as the control system involved, the mutual connection relationship, and the implementation method, are further described in detail, so as to help those skilled in the art understand the present invention Have a more complete, accurate and in-depth understanding of the inventive concepts and technical solutions.

[0019] For the translation control of the existing hydraulic motor-driven heating furnace feed arm, when the feed arm moves in automatic or manual mode, once for some reason (such as the loss of high and low signals in the automatic mode of the feed arm or manual mode) Interruption of the operation under, etc.) will interrupt the movement of the feed arm, and the existing hydraulic motor-driven heating furnace feed arm translation control system will make the hydraulic motor proportional control valve in the neutra...

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Abstract

The invention relates to a translation control system and method for a feeding arm of a heating furnace. The system includes a feeding arm automatic control unit, a feeding arm manual control unit, and a feeding arm interrupt position maintaining unit. Output ends of the feeding arm automatic control unit, the feeding arm manual control unit and the feeding arm interrupt position maintaining unit are connected to an input end of a feeding arm speed and position controlling and switching function block respectively. An output end of the feeding arm speed and position controlling and switching function block is connected to an acceleration and deceleration rate control function block. Signals output by the acceleration and deceleration rate controlling function block are output to a proportional control valve power amplification plate of a feeding arm translation hydraulic motor after being processed by a digital-to-analog conversion function block. The translation control system and method for the feeding arm of the heating furnace are capable of effectively solving a problem of feeding arm glide and billet slide of a large H-type-steel heating furnace feeder and preventing glide of a variable-frequency-motor-driven heating furnace feeding arm.

Description

technical field [0001] The invention relates to a translational control system and method of a heating furnace feeding arm, belonging to the technical field of hydraulic transmission control. Background technique [0002] For the steel billet heating furnace with side-in and side-out, the inlet and outlet ends will be equipped with a feeder and a discharger respectively. As far as the feeder is concerned, it is usually composed of the feed arm body, the feed arm sliding guide rail, and the feed arm. Composed of a lifting drive mechanism, the translational drive mechanism of the feeding arm usually uses a hydraulic motor, which drives the feeding arm forward and backward through a reducer and a rack and pinion. It is driven by a group of hydraulic cylinders, and a three-position four-way reversing valve is used to control the group of hydraulic cylinders. [0003] The feeding arm is raised and lowered on one side (that is, the side close to the feeding furnace door), so that...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D3/00
Inventor 叶光平徐建平李龙涛禹良勇包忠东
Owner MAGANG (GROUP) HOLDING CO LTD
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