Device for quickly measuring section size of aluminum alloy section

The invention relates to the field of aluminum alloy profile measurement, in particular to an aluminum alloy profile sectional dimension rapid measuring device which comprises a fixing frame and a measuring frame, the top ends of the sides, close to each other, of the fixing frame and the measuring frame are connected through a torsion spring hinge, and the side, away from the measuring frame, of the bottom of the fixing frame is fixedly connected with an original point clamping plate. A lower clamping plate is arranged on the side, away from the fixed frame, of the bottom of the measuring frame, sliding grooves are formed in the bottoms of the fixed frame and the measuring frame, the lower clamping plate is slidably connected to the inner sides of the sliding grooves, scale grooves are formed in the front sides of the fixed frame and the measuring frame, and finger plates used for sliding on the front sides of the scale grooves to clearly observe the size are fixedly connected to the front sides of the lower