Split type elastic static pressure band-type brake sleeve rotary table locking device

The invention discloses a split type elastic static pressure band-type brake sleeve rotary table locking device. The device comprises a main shaft fixed to a rotary table and a split type elastic static pressure band-type brake sleeve. The main shaft is connected with the box body through a turntable bearing and is connected with a power system for driving the turntable to rotate through a worm gear; the split type elastic static pressure band-type brake sleeve is relatively fixed with the main shaft through a band-type brake sleeve support, and the band-type brake sleeve support is fixed with the box body through an end cover; the split type elastic static pressure band-type brake sleeve is formed by combining three identical elastic bearing bushes, the three elastic bearing bushes are annularly and evenly distributed through screws and installed on the band-type brake sleeve support with gaps reserved between the three elastic bearing bushes and the main shaft, and gaps are reserved between the three elasti