Shape maintenance device for corrugated bulkhead of double-phase stainless steel liquid cargo ship

The invention discloses a shape maintenance device for a corrugated bulkhead of a double-phase stainless steel liquid cargo ship. The device comprises a connecting cross rod and a workshop tire frame;lug plates are arranged at the left and right ends of the connecting cross rod respectively and detachably connected with the connecting cross rod; the corrugated bulkhead of the double-phase stainless steel liquid cargo ship is placed on the workshop tire frame; the cross-sectional shape of the corrugated bulkhead is trapezoidal; the connecting cross rod is clamped in a trapezoidal groove in thecorrugated bulkhead; the two lug plates are connected with two groove surfaces of the trapezoidal groove respectively and correspond to the groove surfaces one to one. The connecting cross rod is clamped in the trapezoidal groove in the corrugated bulkhead, and the two lug plates are arranged at the left and right ends of the connecting cross rod and connected with the two groove surfaces of thetrapezoidal groove respecti