Hydraulic tensioner auxiliary device suitable for disassembly and assembly of bottom-mounted large nut

• Main Authors: PEI BAOCHAO, HE BINGBING, QIN XINGYAO, LIU HONGJIAN, CHANG HUAICHUN, LIU XINYU, WANG CHAO, LIU YUEJIAN, DONG YAOFENG
• Format: Patent
• Language: Chinese; English
• Published: 30.07.2024
• Subjects: COMBINED OPERATIONS; MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; OTHER WORKING OF METAL; PERFORMING OPERATIONS; TRANSPORTING; UNIVERSAL MACHINE TOOLS

A hydraulic stretcher auxiliary device suitable for disassembly and assembly of a bottom-mounted large nut is used for installing a stretching body and a stretching nut of a hydraulic stretcher so as to disassemble and assemble the bottom-mounted large nut and comprises a horizontal adjusting frame, a vertical adjusting frame, a tray lifting mechanism and a screwing mechanism, and the vertical adjusting frame is arranged at the end of the horizontal adjusting frame; the tray lifting mechanism is arranged on the upper portion of the vertical adjusting frame, the stretching body is arranged on the tray lifting mechanism, the screwing mechanism is arranged at the end of the vertical adjusting frame, the stretching nut is arranged on the screwing mechanism and aligned with the stretching body, and the stretching body can be lifted by the tray lifting mechanism to be arranged at the root of a large bolt screwed by the bottom-mounted large nut in a sleeving mode. The stretching nut can ascend, is embedded in the st