Hole locating and tensioning device

• Main Author: XI WENQING
• Format: Patent
• Language: Chinese; English
• Published: 11.07.2012
• 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

The utility model relates to a hole locating and tensioning device, and aims at providing a hole locating and tensioning device capable of effectively supporting an inner hole of a sleeve during welding. The hole locating and tensioning device comprises a cylinder, wherein the tail end of a piston rod of the cylinder is provided with a traveler linked with the piston rod, the traveler is arranged in a guide sleeve and is in sliding connection with the guide sleeve, the guide sleeve is connected with the cylinder, the outer wall of the guide sleeve is provided with at least three through holes which are uniformly distributed in the circumferential direction of a guide rail, location sliding blocks are arranged in the through holes, inner end surfaces of the location sliding blocks are in sliding connection with the outer wall of the traveler, and the location sliding blocks have incline sliding tracks. The hole locating and tensioning device has the beneficial effects of solving the problem of deformation of t