Indoor coring device with Bluetooth laser speed measurement function

The utility model relates to an indoor coring device for Bluetooth laser speed measurement, and belongs to the technical field of coring machines. The device comprises a coring machine, a support and a laser ranging pen, the support is arranged on a drill bit supporting shaft of the coring machine, and the laser ranging pen is arranged in the support; the support comprises supporting frames, a bottom plate, supporting plates, a fixing plate and tightening plates, the two sides of the bottom plate are connected to a drill bit supporting shaft of the coring machine through the supporting frames respectively, the bottom plate is fixedly connected with the supporting frames, the tightening plates are arranged on the inner sides of the supporting frames through tightening bolts, and the supporting plates are perpendicularly arranged on the other two sides of the bottom plate respectively. Fixing plates are arranged on the inner sides of the supporting plates through springs, and a through hole is formed in the cen