The utility model discloses a high -speed geotechnological centrifuge of large capacity, this machine adopt two hanging flower basket symmetry folding arm structures, can avoid normal test required function module to bear the high centrifugal force after the match and damaged in high centrifugation, do benefit to the control rocking arm and produce great unbalance force, the main shaft adopts goes up the lower support mode, can increase the host computer and bear the weight of the unbalance force ability and reduce bearing load, adopt the high -speed low vacuum method of operation, can reduce the rocking arm and move the windage of in -process production and avoid rocking arm end supersonic speed to bring the sonic boom sound barrier at high centrifugal acceleration, adopt the direct driving method of synchronous machine, can improve the centrifuge host computer and bear the shock and vibration ability that the centrifugal test in -process produced, the centrifuge host computer has strengthened the reliability of host computer with civil engineering basis hookup through fixing the built -in fitting and civil engineering basis hookup on the civil engineering basis, has improved host computer antidumping power ability, the great research in geotechnical engineering field can be simulated for the capacity exceedes 1000gt, centrifugal acceleration is higher than 1000g geotechnique centrifuge to the complete machine.