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Research on Rapid Processing Method of Tower Crane 0peration Data-Loading Based on VB

Author: FanChaoZuo
Tutor: GaoChuangKuanï¼›GaoChongRen
School: Taiyuan University of Technology
Course: Mechanical Design and Theory
Keywords: Tower crane Data processing Internal force calculation VB language Software Design
CLC: TH213.3
Type: Master's thesis
Year: 2009
Downloads: 36
Quote: 1
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Abstract


The tower crane (tower crane for short) is the complete weights lifting the main equipment in industrial and civil construction, it has a high working efficiency, the use of a wide range of easy to operate, easy disassembly. In recent years, the rapid development of the construction industry, the development of the tower crane has created unprecedented opportunities for development, but also because of the tower crane safety and frequent accidents presented a serious challenge. To this end, the tower crane running data logger has been extensively studied and applied. However, the data the tower crane recorder recorded mainly for tower machine running load data, such as lifting weights, trolley, heavy lifting height, boom rotary position, wind speed and direction as well as the lifting mechanism, luffing mechanism and the running speed of the rotary structure, and a second acquisition of a number of groups of data, the long-term operation, the extremely large amount of data. These data are needed for the tower body parts of life assessment, but people are more concerned about the internal forces and stress data structure rod change over time. How quickly such a large load data into the structural rod internal forces and stress data both very necessary and imminent. The processing method is usually Loads data into structural stress finite element method. However, the condition of the large quantities of data processing, the existing commercial finite element analysis software has some defects. In view of this, the characteristics of the tower crane logger acquisition data types and tower crane metal structure, Firstly, based on the theory of classical mechanics tower crane structure the rod internal forces and stress, and export its calculation formula to form a tower crane structure rods internal forces and stress calculation library; Then, according to the modular design concept, the completion of the main function module creation and development of the basic functional modules; then use VB language and to combine EXCEL and ACCESS written to bulk load data processing software, and use this software to quickly bulk load data, get a tower crane structural member forces and stress changes over time curve; verify tower crane Quick calculation accuracy and calculation speed processing software developed by case analysis. The calculation practice shows, this rapid processing system has the following main features: the fast processing run data logger acquisition of tower crane tower crane can combine the input data and output data interface docking tower crane life assessment of large sample data provides convenient application, and practical. Established library of structural parameters of the tower crane, the user can select the input according to the structure of the tower crane tower crane structure parameters, quickly build the tower crane model. To quickly handle bulk load data, all member forces and stresses, the user can easily view the internal forces and stress changes over time curve of any bar. Software main interface design sought to close the Window program, user-friendly, easy to operate, accurate calculation, run fast. The software assessment, the life of the tower crane to solve tower crane life prediction data further improve the running of the tower crane safety is important.

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CLC: > Industrial Technology > Machinery and Instrument Industry > Lifting machinery and transport machinery > Lifting machinery > Mobile crane > Tower
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