Chassis device capable of being quickly disassembled and assembled

The utility model relates to the field of single crystal furnace base plates, and particularly discloses a single crystal furnace base plate capable of being quickly disassembled and assembled, which comprises a base plate main body, an upper flange arranged on the periphery of the bottom of a single crystal furnace body, a lower flange arranged on the periphery of the base plate main body, a first semicircular sleeve, a second semicircular sleeve, a first clamping sleeve and a second clamping sleeve, the upper flange is tightly attached to the lower flange, the first semicircular sleeve and the second semicircular sleeve are arranged on the two sides of the upper flange and the two sides of the lower flange respectively in a sleeving mode, and the first clamping sleeve and the second clamping sleeve are clamped at the joints of the two ends of the first semicircular sleeve and the two ends of the second semicircular sleeve respectively. And two ends of the first clamping sleeve and the second clamping sleeve