The invention provides a main
brush structure of a sweeping
machine, and relates to a
sanitation facility. The main
brush structure includes a left side plate, a right side plate, a main
brush and a
synchronizing shaft, a left end
enclosure is connected with the inner side of the left end of the main brush, the left end
enclosure is connected with a driven shaft, a right end
enclosure is connected with the inner side of the right end of the main brush, the right end enclosure is connected with an active shaft, and the active shaft is supported on the right side plate; a main brush replacement port is formed in the left side plate of the main brush, and a main brush baffle is installed on the main brush replacement port; a left connecting arm
assembly is arranged on the side, back facing the left side plate, of the main brush baffle, and a right connecting arm
assembly is arranged on the side, back facing the main brush, of the right side plate, and the structure of the left connecting arm
assembly is the same as the structure of the right connecting arm assembly, the upper end of the left connecting arm assembly is fixed with the left end of the synchronous shaft through a synchronous shaft bolt
handle, the lower end of the left connecting arm assembly is support on the driven shaft, the driven shaft is arranged on the main brush baffle in a penetrating mode and connected with the left end enclosure; the upper end of the right connecting arm assembly is fixed with the right end of the
synchronizing shaft, and the lower end of the right connecting arm assembly is supported on the active shaft. According to the main brush structure of the sweeping
machine, the main brush can be quickly replaced.