Self-adjustable coal conveying belt

The invention discloses a self-adjustable coal conveying belt, and relates to the field of coal conveying belts, the self-adjustable coal conveying belt comprises a coal conveying mechanism, the coal conveying mechanism comprises a coal conveying belt piece, a support located on the outer side of the coal conveying belt piece, and a hopper located on the inner side of the support; and the adjusting mechanism comprises a protection plate piece arranged on the outer side of the coal conveying belt piece, a tension spring is arranged on the inner side of the protection plate piece, an adjusting piece is arranged on the end face of the protection plate piece, an elastic piece is arranged on the outer side of the adjusting piece, and a special-shaped plate is arranged on the top of the adjusting piece. Through linkage cooperation between the protection plate piece and the control piece, when the protection plate piece overturns and extends outwards due to excessive coal above the coal conveying belt, the control p