Installation device and installation method for row chains of tobacco cutter

The invention relates to an installation device and an installation method for row chains of a tobacco cutter. The installation device comprises a travelling part (1), a row chain preassembling platform (2) and a traction part (3), wherein the row chain preassembling platform (2) is arranged at the top of the travelling part (1) and is configured to be used for pre-connecting a plurality of row chain bodies (51) in a row chain group (5), the traction part (3) comprises a traction rope (32) and a first driving part (31), the first end of the traction rope (32) is configured to be connected withthe end part of the row chain group (5), the second end of the traction rope (32) is configured to bypass a first row chain roller (61), located at a cutter door, in a row chain transmission device (6) of the tobacco cutter and then be connected with the output end of the first driving part (31), and the first driving part (31) is arranged below the row chain preassembling platform (2) and configured to pull the row chai