Device for sealing and connecting fixed feeding machine with three-dimensional moving hearth

The utility model relates to a device for sealing and connecting a fixed feeding machine with a three-dimensional moving hearth. A hearth film-type wall is connected with a film-type wall connecting pipe by welding, one end of the film-type wall connecting pipe is connected with a steel plate I by welding, a wear-proof steel plate is arranged between the steel plate I and a steel plate II, the three steel plates are connected by bolts, nuts and spring washers, the directions of waist-shaped holes of the steel plate I and the steel plate II are vertical to each other, the steel plate II is connected with end plates II through a connecting cylinder, the end plate II is fixed on one side of each dilatation joint, and end plates I are connected with the other end of each dilatation joint and welded with a feeding machine. According to the device for sealing and connecting the fixed feeding machine with the three-dimensional moving hearth, the use performance is stable, the device is suitable for the feeding machi