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Study of the Power Balance of Hydro-Viscous Soft-Start Device in the Belt Conveyors

Author: HuQiZuo
Tutor: ZhouManShanï¼›YuYan
School: Shandong University of Science and Technology
Course: Mechanical Design and Theory
Keywords: Belt Conveyor Power balance Viscous drive VVVF PLC
CLC: TD528.1
Type: Master's thesis
Year: 2009
Downloads: 81
Quote: 3
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Abstract


Based on high-power multi-motor drive belt , each drive motor from the car between the process and the operating conditions of the power imbalance in this phenomenon, put forward a viscous frequency control technology and drive technology combined power balance adjustment program . The paper first belt conveyor drive roller for stress analysis , drawn from a qualitative point of the factors affecting the power imbalance , and introduce the concept of the power imbalance , from the amount of unbalance factor of the power on the expansion of in-depth discussion, draw through the design of the power imbalance can be improved ; went on to work viscous drive mechanism was introduced , combining theoretical and experimental performance testing proposed viscous drive for belt conveyor can be a good solution multi-motor drive power imbalances ; secondly traditional electro-hydraulic proportional control system, many problems, put forward a frequency control technology used in hydraulic systems solutions , through theoretical studies and experimental tests to determine the size and the flow of oil frequency of lubrication pump , controls the pump control action ; Finally, on the basis of the above analysis and design , the proposed regulation based on the motor current , with a speed reference value , using the difference method , the PLC -based control system of the power balance adjustment and gives the control flow and user interface design . This article theoretical, experimental testing and engineering applications combine the three to solve practical engineering problems in the power imbalance provides a new way of thinking.

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CLC: > Industrial Technology > Mining Engineering > Mine transport and equipment > Underground transport and equipment > Conveyor transport > Belt conveyor
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