Hard Soil Portable Rig The Overall Design And Processing Technology Research

This thesis mostly do the works in allusion to the design of the drilling equipment and the analysis of facture art,according to the investigative situation at present,to invesigate to the core issues of the theory of the screw transportation the facture art of the spire vane and the aiguille.the thesis mostly finished the hereinafter tasksmewly constructing the model in virtue of the integral and optimize function in matlab, to adopt to the changing back angle, and the art analysis of the screw vane.it is value to the more investigate of the drilling equipment.