Butt welding tightness device for ship piping system

• Main Authors: XIAO XIONG, ZHANG PENG, XU FOZHONG, XI DEMIN, WANG HONGYU, FU GANG
• Format: Patent
• Language: Chinese; English
• Published: 29.07.2022
• Subjects: MEASURING; PHYSICS; TESTING; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR

The invention discloses a butt welding tightness device for a ship piping system. The ship piping system butt welding tightness device comprises a base, an annular groove is formed in the base, a sealing piece is contained in the annular groove and comprises an inner-ring air bag and an outer-ring air bag, a connecting bridge is arranged at the bottom of the inner-ring air bag and the bottom of the outer-ring air bag, and the connecting bridge is provided with an air channel communicating inner cavities of the inner-ring air bag and the outer-ring air bag. The inner-ring air bag and the outer-ring air bag are clamped on the inner side and the outer side of the pipe wall after being inflated, the inner-ring air bag is provided with an air nozzle, the air nozzle is connected with a tee joint, the tee joint is connected with an air inlet connector through a hose, the air inlet connector penetrates through the base, and an air release valve is arranged on the side, close to the air inlet pipe, of the base. The pr