A drilling machine for drilling large drill holes in rock, especially underground, comprises a support, a rotary drilling drive longitudinally displaceable on the support in a drilling direction and provided with a reducing transmission and drive motors. The reducing transmission including a planetary transmission which is transmissively and selectively connectable with two of the drive motors as a superposed transmission.
申请公布号
DE3839007(C1)
申请公布日期
1989.12.07
申请号
DE19883839007
申请日期
1988.11.18
申请人
TURMAG TURBO-MASCHINEN-AG NUESSE & GRAEFER, 4322 SPROCKHOEVEL, DE