Split type brake disc

The utility model provides a split type brake disc, which belongs to the technical field of brakes and comprises a friction disc, a fixed disc cap and an embedded ring, and a plurality of bulges whichare distributed at intervals and extend towards the direction of the friction disc along the axis of the fixed disc cap are arranged on the outer wall of the fixed disc cap. The inner side wall of the protrusion is provided with a first containing groove with an opening facing the center direction of the fixed disc cap. The friction disc is provided with a groove which is opposite to the protrusion and used for inserting the protrusion, an opening of the groove faces the center of the friction disc, the top face of the groove is provided with a second containing groove with an opening facingthe center direction of the friction disc, and the first containing groove and the second containing groove are combined to form an annular groove; the embedded ring is embedded in the annular groove;the split type brake disc