Plate type flat welding steel pipe flange

The utility model discloses a plate type flat welding steel pipe flange, and relates to the technical field of flanges. The device comprises a device body, the device body comprises a flange body, a lead screw is arranged on the side face of the flange body, a rotating assembly is detachably connected to the side face of the lead screw, a transverse rod is detachably connected to the side face of the flange body, and locking blocks are welded to the side face of the transverse rod and comprise the upper locking block and the lower locking block. And an adjusting assembly is arranged in the locking block and comprises a sliding rod and clamping grooves, the symmetrical clamping grooves are formed in the upper locking block, and the matched sliding rod is welded to the top of the lower locking block. The upper locking block and the lower locking block are used in cooperation with the sliding rod and the clamping groove, the plate-type flat welding steel pipe flange clamping device can be used in cooperation wit