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Study of the Equipments Matching Technology of the Top-Coal Caving Fully-Mechanized Face

Author: HaoNiNi
Tutor: WanLiRong
School: Shandong University of Science and Technology
Course: Mining Equipment and Control Engineering
Keywords: Airlifts-person device wire rope drive pulley optimum design dynamics simulation
CLC: TD52
Type: Master's thesis
Year: 2009
Downloads: 154
Quote: 2
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Abstract


Airlifts-person device is the mechanical equipment which can transport people in the mine. It’s applicable to long-distance and changing slope of roadway conditions. It’s quality effects the safety of the people walking at the bottom and the output of a mine company. For a long time, the design method of Airlifts-person device mostly adopt conceptual design and prototype manufacturing-test method, which has no valid method of dynamics simuilation, compared with the design technical of spaceflight, motor aircraft and other high-tech machinery. In this paper, the technique of virtual prototype is introduced in study of Airlifts-person device, and hope it can shorten the exploit period, reduce cost and obviously improve quality, effectively promote the competitory ability of producuts in the markets.In this paper, the optimum design and kinetic simulation of Airlifts-person device is studied. By analyse its body characteristics and working principle, the overall design of the system program is carried out and the main structure of the system is designed; it also carriyes out a new method in the overhead manned equipment design, in which optimum design is used , the key components of the equipment driver pulley are structuraliy designed and finite element analysed, the mathematical model is builded and the objective function and boundary conditions are determined and the main design parameters are optimized, at end , it reaches its strength to meet the conditions required by the quality and the smallest; study which focus on the key components of the modeling of wire rope are elevated by three-dimensional device modeling and dynamic modeling techniques, a simplified system dynamics model is build, then the analysis of kinetic simulation of this system is studied, the analysis for simulation result is made, and the result shows that the dynamic mechanical properties of the wire rope and pulley drive is accord with the practicality. And it has verified the reasonableness of the design in practical applications.Research on the subject have enriched and developed the design theory and methods of the overhead manned equipment, and promoted computer-aided design technology in the use and development of the overhead manned equipment. It can also improves the product development process and the development of efficiency in the enterprise of overhead manned equipment.

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