Cabin deck floor drain positioning tool and installation process thereof

The cabin deck floor drain positioning tool comprises a positioning ring body, and the inner hole wall of the positioning ring body is in clearance fit with the corresponding outer wall of a floor drain; the locking and positioning parts are uniformly distributed on the same side surface of the positioning ring body, synchronously act and are used for clamping the floor drain, so that the virtual axis of the floor drain coincides with the virtual axis of the positioning ring body, or the floor drain is loosened; wherein a virtual straight line where the moving direction of the locking positioning piece is located passes through the circle center of the positioning ring body, and the positioning ring body is provided with an opening used for being separated from the floor drain. According to the floor drain positioning device, clamping or loosening of the floor drain is achieved through synchronous action of the locking positioning piece, the virtual axis of the clamped floor drain coincides with the virtual a