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Translational control system and method of feeding arm of heating furnace

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

Active Publication Date: 2016-09-14
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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  • Translational control system and method of feeding arm of heating furnace
  • Translational control system and method of feeding arm of heating furnace
  • Translational control system and method of feeding arm of heating furnace

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Embodiment Construction

[0019] 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.

[0020]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) The lower operation interruption, 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 neutral se...

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Abstract

The invention relates to a translational control system and method of a feeding arm of a heating furnace. The system comprises an automatic control unit of the feeding arm, a manual control unit of the feeding arm, a maintenance unit for interrupting the position of the feeding arm; an automatic control unit of the feeding arm, a The output terminals of the manual control unit of the material arm and the interruption position holding unit of the material arm are connected to the input terminals of the speed and position control switching function block of the material arm respectively; the output terminals of the speed and position control switching function block of the material arm are connected to the addition and subtraction The speed control function block, the signal output by the acceleration and deceleration rate control function block is processed by the digital-to-analog conversion function block and then output to the power amplifier board of the proportional control valve of the feed arm translation hydraulic motor. The invention can effectively solve the problem that the feeding arm of the feeding machine of the large H-shaped steel heating furnace slides down and the billet slides down, and can also avoid the sliding down of the feeding arm of the heating furnace driven by the frequency conversion motor.

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 charging furnace door), so tha...

Claims

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Application Information

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Patent Type & Authority Patents(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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