山区分体式硬岩挖孔桩钻机装备的研制OA

The foundation of transmission line towers plays a core role in power grid construction.In mountainous areas with complex terrain and geological conditions,traditional manual hole excavation and blasting construction have the disadvantages of low efficiency and high safety risks.Many accidents have shown that these methods are no longer able to meet the requirements of modern power grid construction.With the proposal of State Grid Corporation of China to comprehensively promote the mechanization construction of power transmission and transformation projects,the shortage of equipment for large-diameter drilling in hard rocks at mountainous areas becomes particularly prominent.Although China's drilling equipment industry system is relatively mature,traditional integral drilling machines have large volume,poor dis-assemblability,high requirements for transportation and site conditions,making them difficult to meet the construction needs of cableway transportation and narrow,roadless areas.Based on this,the development of a split-type hard rock bored pile drilling machine that meets the transportation conditions of mountainous cableways has become an urgent need.This machine achieves the flexible configuration of power system,drilling system and auxiliary system through modular structure,lightweight functional units and combined system design,and can efficiently drilled holes in hard rock with compressive strength of 40～65 MPa.The development of this equipment can effectively solve the problems of difficult transportation,layout and drilling of transmission line foundations in mountainous areas,and has engineering application value and promotion significance for improving the level and safety of construction mechanization.