Door-shaped frame supporting structure and concrete pouring trolley

The utility model discloses a door-shaped frame supporting structure and a concrete pouring trolley, and relates to the field of door-shaped frame supporting structures of concrete pouring trolleys, the door-shaped frame supporting structure comprises an adjustable door-shaped frame, the adjustable door-shaped frame comprises a supporting top plate piece, side plate pieces are connected to the two sides of the supporting top plate piece, and a positioning plate piece is further arranged between the two side plate pieces; according to the concrete pouring trolley, two groups of second arc-shaped plates can be movably connected to the two ends of a first arc-shaped plate through a first hinge piece and a second hinge piece structure, in the operation process of the concrete pouring trolley, angle adjustment can be conducted on side plate pieces according to the use condition, and through a second clamping plate groove and a second clamping plate structure, the concrete pouring trolley is convenient to use. The