Steel structural part welding positioning device

The utility model discloses a steel structural part welding positioning device, and relates to the technical field of building structure engineering. A welding positioning device for a steel structural part comprises two positioning clamps of the same structure and three positioning shafts. The positioning clamp comprises a left clamping hook, a right clamping hook, a connecting seat, a screw rod, a locking block, a left pressing pipe, a right pressing pipe and an upper pressing pipe; the left clamping hook and the right clamping hook are symmetrically hinged to the two sides of the connecting base. The locking block is located below the connecting base, and the two ends of the locking block are slidably connected to the left clamping hook and the right clamping hook respectively. The screw rod is vertically connected to the middle position of the connecting base in a threaded mode, and the lower end of the screw rod is fixed to the top of the locking block. According to the utility model, through the matchin