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As the weather gets hot mini crusher for sale, many customers come to Daswell technical personnel for the information of the classification of our drilling rig. So how to better distinguish the drilling machine types?Henan Daswell Machinery is a professional manufacturer of mining machine for almost 30 years in China. We are dedicated to supplying our customers with best service and products, our major products include:small rock crusher,If you are interested in our products, please contact us freely: sales@daswell.com Drilling machine is mainly used for the development of groundwater resources, including domestic water, agricultural water and industrial water; and it is also applicable to the hydrogeological exploration, construction engineering, bridge foundation drilling mini stone crusher, etc. The structure forms: pull type, truck mounted type, and vehicular type. The main component: diesel engine, friction clutch, transmission, transfer case, drive shaft, mud pump, fresh water pump, vacuum pump, rotary table, faucets, winch, hydraulic system, operating mechanism, mast, drilling tools, frame, etc. The working mode of the drilling rig is the pump suction reverse circulation type. The working principle: under the influence of atmospheric pressure, the circulating liquid will flow to the bottom along the borehole annular gap. And at the same time portable jaw crusher, the rotary table will drive drill rod to motivate the drilling head and realize rock drilling, and by the negative pressure created by the mud pump, the mud will be sucked into the inner cavity of drilling rod.