Hydraulic Excavator Modified For Rock Drill And Drilling Efficiency Of The Research

In recent years, the construction, mining and construction traffic road metal mineralresources such as underground construction projects, tunnel dug occupies a very importantposition, tunnel dug in for a long period of time is still dominated by drilling and blasting,rock drilling and blasting machine is a major construction equipment. With the continuousdevelopment of mining technology, large metal mines continue to produce, and thecontinuous extension of the road traffic expansion, etc., to improve the efficiency of roadwayexcavation become an inevitable trend. This article from the excavator to change and improvethe drilling efficiency of the drilling machine drilling machine two aspects to improve theefficiency of roadway excavation, the focus of the analysis was carried out.First, according to the pressure and flow drilling machine performance parameters suchas choosing the right excavator with horses, then the corresponding excavator hydraulicsystem hydraulic system with rock drill effectively combine and add some new functionalrequirements, forming a complete unified hydraulic system; while drilling machine thrustersand substandard structures boom design, the hydraulic drilling machine can automaticallyadvance and accurate positioning during drilling, mechanized.Secondly, the efficiency of hydraulic rock drilling machine for the relevant analysis. Aswe all know, the factors affecting the efficiency of hydraulic rock drill drilling in manyaspects, this paper chisel into the system and the impact from the two aspects of the systemwere analyzed drilling efficiency; chisel into the system at the main shape of the piston rod,axial thrust, etc. were studied, and the impact of the system on the quality of the main valvebody, and with the gap and the inflator inflation pressure accumulator volume explored.Then, depending on the structure of the use of hydraulic rock drill AMEsim buildsimulation models the impact institutions, mainly in batch mode simulation of the spool valveof quality, capacity volume, the amount of each piston cylinder fuel pump and piston chamberwith the clearance between the piston and the cylinder is analyzed; simulation in which avalidation of the quality and the spool with the gap to the front is also conducted theoreticalcalculations.Finally, in order to verify the correctness of the first two parts of the test platform tobuild a hydraulic rock drill. The main trial started operating performance of hydraulic rockdrill tested to verify the feasibility of drilling machine hydraulic excavators change; then itsimpact on performance is also tested to obtain the relevant performance parameters andanalyzed, to the front of the theoretical analysis valid authentication. This article is a modified excavator drilling machine design and improve the efficiencyof rock drilling machine provides an effective theories and methods; hydraulic rock drill forguiding the design and of great significance in this regard in its energy efficient.