Novel external guide sensor fixing device

The invention belongs to the technical field of guide and guard sensors, particularly relates to a novel external guide and guard sensor fixing device, and aims to solve the problem that a worker needs to use a matched tool in the prior art, the following scheme is provided: the novel external guide and guard sensor fixing device comprises a hollow base and a guide and guard sensor, and the inner wall of the right side of the base is slidably connected with a movable plate; a fixing plate is slidably connected to the inner wall of the bottom of the base, the top of the fixing plate extends out of the base, a gear is rotatably connected to the inner wall of the bottom of the base, a threaded column is fixedly connected to the top of the gear, and the top of the threaded column is rotatably connected to the inner wall of the top of the base; the guiding and guarding sensor is placed on the base to press the movable plate to descend, the guiding and guarding sensor is automatically fixed, meanwhile, the fixing s