Bus duct starting end replacement device and replacement method

The invention relates to the technical field of bus ducts, and discloses a bus duct starting end replacement device and a replacement method.The replacement device comprises a stress rod, a chain block and a carma which are detachably arranged on a transformer insulation frame, and the carma is adjustably arranged on the stress rod; a clamping groove used for being connected with a shell of the starting end of the bus duct in a clamping mode is formed in the clamping part, the chain block is arranged on the beam column or the expansion bolt, and a chain of the chain block is connected with the starting end of the bus duct. According to the bus duct starting end replacement device and the replacement method provided by the invention, when the bus duct starting end head is replaced and disassembled, the bus duct starting end head is supported by the chain block, the stress rod and the Kama in a combined manner; and the situation that the connecting soft copper bar is damaged due to falling of the bus duct due t