An automatic lifting drilling rig for high-level drilling in medium-thick coal seams and its realization method
An automatic lifting and thick coal seam technology, applied to drilling equipment and methods, rotary drilling rigs, earthwork drilling and mining, etc., can solve the problems of inflexible adjustment of drilling angle and inability to effectively perform high-level drilling in medium-thick coal seams, etc., to achieve The effect of improving the efficiency and safety of high-position drilling, improving the accuracy and efficiency of drilling, improving the efficiency of drilling and the safety of drilling construction
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[0032] Example 1, such as Figure 1 to Figure 4 As shown, an automatic lifting drilling rig for high-level drilling in medium-thick coal seams includes a lifting unit, a power unit, a rotary unit, a walking unit and a drilling unit. The lifting unit is connected to the rotary unit and the drilling unit, and the power unit is connected to the lifting unit and the rotary unit. , walking unit and punching unit.
[0033] The lifting unit includes a front hydraulic cylinder 11 and a rear hydraulic cylinder 14. The front hydraulic cylinder 11 and the rear hydraulic cylinder 14 are two-stage telescopic hydraulic cylinders. The cylinder bodies of the front hydraulic cylinder 11 and the rear hydraulic cylinder 14 pass through movable pin holes respectively. Fixed on the front and rear ends of the rotary unit, the piston rod of the front hydraulic cylinder 11 and the piston rod of the rear hydraulic cylinder 14, the front hydraulic cylinder 11 and the rear hydraulic cylinder 14 are arra...
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