Modified asphalt on-line detection device for multi-union mixing and dissolving pipeline

The utility model belongs to the field of detection devices, and particularly relates to a multi-union mixing and dissolving pipeline modified asphalt on-line detection device which comprises a box body and a stirring device, a feeding pipe is arranged at the top of the box body, a sealing plate is arranged on the inner side of the feeding pipe, an electric telescopic rod is installed at the end of the sealing plate, and the stirring device is arranged in the box body. A threaded frame is arranged on the side of the feeding pipe, a screw rod is arranged in the threaded frame, a controller is arranged at the end of the screw rod, a movable rod is arranged below the controller, a circular groove is formed in the outer side of the movable rod, an air ring is arranged at the end of the movable rod, and the stirring device is arranged in the box body. A storage drawer is arranged at the bottom of the stirring device, a limiting plate is arranged on the outer wall of the storage drawer, and a manual shaft is arrang