Detection device for chemical pipeline manufacturing

The utility model relates to a detection device for chemical pipeline manufacturing, which comprises a fixed seat, the inner side of the fixed seat is fixedly connected with a bidirectional motor, output shafts on the left side and the right side of the bidirectional motor are fixedly connected with threaded rods, the outer sides of the two threaded rods are in threaded connection with threaded blocks, and the threaded blocks are in threaded connection with the fixed seat. The top of each threaded block is fixedly connected with a movable square block, the top of each movable square block is fixedly connected with a supporting plate, the top of each supporting plate is fixedly connected with a fixed clamping block, the top of each supporting plate is fixedly connected with a supporting rod, and the top end of each supporting rod is fixedly connected with a fixed threaded plate. The number of the fixed screw plates is two, and the inner sides of the two fixed screw plates are in threaded connection with movabl