FIELD: mining.
SUBSTANCE: invention relates to devices for drilling, mainly, for drilling blast holes at open pits. Blast hole rig comprises an undercarriage, platform, on which there is an engine compartment, a mast, platform leveling jacks arranged to displace vertically relative to platform, and a cabin secured at a frame. Cabin is equipped with an additional frame, on which there are cabin leveling jacks and hydraulic cylinders for lifting the cabin relative to the additional frame.
EFFECT: invention provides better sanitary-hygienic conditions of operator, increased efficiency of drilling.
4 cl, 4 dwg
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SU859599A1 |
