Belt conveyer speed-measuring device

The utility model discloses a belt conveyor speed-measuring device. The belt conveyor speed-measuring device comprises a positioning frame, a hanging bracket connected with the positioning frame, a bracket arranged below the hanging bracket and a speed-measuring mechanism arranged at the tail end of the bracket. The speed-measuring mechanism comprises a vehicle wheel frame and a speed sensor connected with the vehicle wheel frame, vehicle wheels are arranged on the vehicle wheel frame, the vehicle wheels are in contact with a conveying belt of the conveyor, and a transmission shaft is sleeved with each vehicle wheel. A first bearing is arranged at one end of the transmission shaft in a sleeved mode, a speed-measuring gear is arranged at the other end of the transmission shaft in a sleeved mode, each transmission shaft is sleeved with a second bearing, and each second bearing is arranged between each vehicle wheel and each speed-measuring gear. The belt conveyor speed-measuring device is simple in structure, h