Speed measuring device for elevator detection

The utility model provides a speed measuring device for elevator detection, which comprises a speed measuring device main body, the top of the speed measuring device main body is respectively connected with a first mounting rack and a second mounting rack from front to back, and an adjusting screw rod is rotatably connected between two sides of the inner wall of the first mounting rack through a bearing; through the cooperation of the first mounting rack, the adjusting screw rod, the driving block, the connecting rod, the mounting plate, the speed measuring motor, the hand wheel, the fixed disc and the like, the position of the speed measuring elevator can be adjusted according to elevator steel wire ropes with different thicknesses, so that the speed measuring motor can be kept clung to the elevator steel wire ropes; the speed measuring motor can be driven to rotate when the elevator steel wire rope moves, so that the speed measuring accuracy is ensured, and the application range of the device is expanded; a