Multi-point parallel determination method and device for gas desorption index of drilling cuttings on steeply inclined working face

The invention belongs to the technical field of steeply inclined working face prediction, and relates to a steeply inclined working face drilling cutting gas desorption index multi-point parallel determination method and device, the device comprises a drilling tool, the drilling tool comprises a drilling rod and a drill bit connected to one end of the drilling rod, the drill bit is used for drilling and collecting a coal sample, and a power source sleeves the drilling rod to control the drilling tool to work; the end, away from the drill bit, of the drill rod is connected with a vacuum pump through an air pipe, a sample receiving pipe is connected to the air pipe, a connector of the sample receiving pipe and the air pipe is located under the air pipe, and a coal sample filter screen located in the air pipe and close to one side of the vacuum pump is arranged at the joint of the air pipe and the sample receiving pipe. The drilling cutting gas desorption index tester group comprises a plurality of drilling cutt