The Study on Application of the H-section Beam in Sinking Headframe
|School||Shandong University of Science and Technology|
|Keywords||H-beam Sinking derrick Optimal design Modal Analysis Transient Analysis|
Well drilling derrick the upgrade for Sinking Shaft stone transportation of personnel and materials , as well as suspended tunneling equipment , it is one of the important structures in the well construction engineering facilities . Derrick structure to withstand the loads in addition to its own dead load as a static load , not the actual one load is stationary . In the coal mine production , the derrick is mainly exposed to the work load , and let the broken rope Kasheng special load , these loads are dynamic load changes over time , the use of static analysis and research derrick , apparently , than actual deviation large , so only the derrick the power to study the dynamic load as a derrick structure to withstand the actual load characteristics in order to make the derrick design and safety assessment theory more accurate , more scientific and reasonable . This paper introduces the principle of optimal design , the full stress to optimize the Sinking main Derrick through the finite element software ANSYS OPT module , to obtain the optimal section size of the rod , to reduce the weight of the structure . Modal analysis as a modern method of structural dynamic characteristics , becoming the core of modern engineering analysis and design , it is determined by the structural natural frequencies and mode shapes , it is an important parameter in the structure to withstand dynamic load structure design , therefore become the starting point of the other , such as transient analysis, dynamic analysis . In this paper, the finite element method complete derrick modal analysis to obtain the first 10 natural frequencies and mode shapes . This article focuses on the use of large-scale finite element software ANSYS well drilling derrick transient kinetic analysis , completion of a special state status under the derrick transient dynamics analysis to find the time to all directions in response to the variation .