well drilling trucks for sale hydraulic rock drill noise is mainly related to the size of the impact energy and impact frequency has little effect. Since under certain conditions, the impact of the hydraulic rock drill size depending on the working pressure, to select the appropriate working pressure is the key to reduce the noise of the hydraulic rock drill. Hydraulic rock drill noise is caused mainly by the structure of the noise, the hydraulic rock drill structure gap, the parameters of the accumulator, the impact properties borehole drilling rig of the materials, and the tightness of the connection and so affect hydraulic rock drill noise. Experimental study of hydraulic rock drill noise, can be used to compare the performance of different products, seek truck mounted well drill rig prevention noise countermeasures, and hydraulic drilling machine fault diagnosis. Drilling trolley tunnel and underground engineering construction of a drilling equipment for drilling and blasting method. It can move and support more than one simultaneous rock drill drilling operations. Mainly by the rock drill, drill arm (rock drill supporting, positioning and promoting organization), the drilling rig photos steel structure frame, Running Gear and other necessary ancillary equipment, and the need to add the device according to the project. Favorable conditions of use application drill and blast tunnel excavation for the drill rig, drill rig and air compressor
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