Forced separation device for submarine drilling machine and drilling tool

A forced separation device for a submarine drilling machine and a drilling tool, comprising a transmission shaft, a main shaft, an electromagnetic transmission mechanism, a blasting separation mechanism and a pressure-resistant cabin, wherein a pressing cover is fastened to an upper portion of the pressure-resistant cabin, the electromagnetic transmission mechanism is provided with a driving chuck and a driven chuck which are attracted with each other, the driving chuck is connected with the transmission shaft, the driven chuck is connected with the main shaft, the pressing cover is welded with the transmission shaft, and the driven chuck is welded with a lower portion of the pressure-resistant cabin;

• the blasting separation mechanism is provided with a plurality of explosive packages and detonators, the explosive packages are distributed between the pressing cover and a top surface of the pressure-resistant cabin, and each explosive package is connected with a corresponding detonator respectively;
• and the pressure-resistant cabin is further internally provided with a storage battery for supplying power to the electromagnetic transmission mechanism and the blasting separation mechanism.