Flexible connector for closed decoking crusher

A flexible connector for a closed decoking crusher is arranged between a bottom cover machine and the crusher and comprises a guide cylinder, an upper flange, an expansion joint, a slotted flange and a base assembly, and the guide cylinder comprises an annular flange, a cylinder body and an inverted-cone-shaped connecting piece connected between the upper annular flange and the lower cylinder body; the guide cylinder is fixed on the lower surface of the bottom cover machine, the inner side of a cylinder body is in direct contact with material flow and high-pressure coke cutting water, an upper flat flange of the expansion joint and an annular flange of the guide cylinder are fixed at corresponding hole positions of the bottom cover machine by the top of the expansion joint through bolts, and a rubber expansion joint is fixed on the base assembly by the lower part of the expansion joint through a rotatable slotted flange. According to the utility model, a sealing structure consisting of the packing, the gland