Special combined tool for disassembling and assembling main engine bearing box cover of 600MW steam exhaust unit

• Main Authors: LI HENG, LI QIGUO, SONG WEN, ZHENG HONGCHENG, CUI WENXI
• Format: Patent
• Language: Chinese; English
• Published: 08.02.2022
• Subjects: HAND TOOLS; MANIPULATORS; PERFORMING OPERATIONS; PORTABLE POWER-DRIVEN TOOLS; TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING; TRANSPORTING

The utility model relates to a special combined tool for disassembling and assembling a bearing box cover of a main engine of a 600MW steam exhaust unit. At present, a crane is matched with a guide chain to carry out disassembly hoisting. Time and labor are consumed, great inconvenience is brought to maintenance work, and certain risk is caused by frequent climbing operation of personnel. The special combination tool for disassembling and assembling the bearing box cover of the main engine of the 600MW steam turbine unit comprises a side concave frame (1) and a cross beam frame (2), the side concave frame is connected with the cross beam frame through a shackle A (3), the side concave frame is composed of an upper pipe fitting (1-1), a lower pipe fitting (1-2) and a side pipe fitting (1-3), the end of the upper pipe fitting is vertically connected with the side pipe fitting, a rotating shaft (1-4) is inserted into the bottom of the side pipe fitting, and the lower pipe fitting is connected with the rotating s