Belt conveying equipment

The utility model discloses belt conveying equipment which is provided with a machine frame, a belt conveying device is arranged on the machine frame, tightness adjusting assemblies are arranged at the two ends in the belt conveying device, and a driving assembly is arranged below the belt conveying device. The belt conveying device is provided with a fixing frame, the upper side and the lower side of the fixing frame are provided with belt rails, the tightness adjusting assembly is provided with a positioning frame, one side of the positioning frame is in shaft connection with a belt transmission wheel, the other side of the positioning frame is provided with an L-shaped frame, the L-shaped frame is fixedly connected with a bolt, and the bolt is in threaded connection with a nut. A round rod is arranged below the L-shaped frame, and a spring is arranged on the round rod; the nut on the bolt is rotated in the forward direction and the reverse direction, so that the positioning frame can drive the belt transmi