Positioning guide device of deep-hole drilling machine and deep-hole drilling machine

The utility model discloses a positioning and guiding device of a deep hole drilling machine and the deep hole drilling machine, the positioning and guiding device is arranged on a Z-axis stand columnof the drilling machine, the drilling machine further comprises a main shaft arranged on the Z-axis stand column and a drill bit installed on the main shaft, and the positioning and guiding device ofthe deep hole drilling machine comprises a liftable Z-axis seat arranged on the Z-axis stand column; the main shaft lifting assembly is arranged on the Z-axis seat and drives the main shaft to lift;and the guide assembly is arranged on the Z-axis base and comprises a guide base, the guide base is located below the main shaft and opposite to the drill bit, a guide hole used for guiding the drillbit is formed in the guide base, and the size of the guide hole is matched with that of the drill bit. According to the positioning and guiding device of the deep hole drilling machine and the deep hole drilling machine, vibrati