Positioning tool for welding patch in aero-engine combustion chamber

• Main Authors: HUANG DA'AN, FU BAIWAN, ZHANG BIN, LIU DAWEI, GUO DONGYE
• Format: Patent
• Language: Chinese; English
• Published: 23.08.2022
• Subjects: CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; SOLDERING OR UNSOLDERING; TRANSPORTING; WELDING; WORKING BY LASER BEAM

A positioning tool for welding a patch in a combustion chamber of an aero-engine comprises a shell, and four telescopic piece assembling holes are formed in the left end face, the right end face, the upper end face and the lower end face of the shell respectively and used for installing four telescopic assemblies in the left direction, the right direction, the upper direction and the lower direction. The front end face of the shell is further provided with a driving shaft hole used for installing a driving assembly. The outer end, away from the shell, of each telescopic assembly is provided with a supporting head. The driving assembly comprises a rocking handle rotationally installed in the driving shaft hole, one end of the rocking handle is located in the shell, the other end of the rocking handle is located outside the shell, a one-driving-four driving bevel gear is arranged at the end, located in the shell, of the rocking handle, and the one-driving-four driving bevel gear is matched with the telescopic a