The utility model relates to a trip is fixed to socket steel loop, it rolls set organic combination together through install a fixing device on rolling the dish with socket steel loop and equipment, this kind of device is installed on rolling the dish, fix the socket through the ejector pin, guarantee its steadiness and with a set synchronism rolls, it is by area stupefied pull head (1) of protrusion, bolt (2), ejector pin step axle (3), screw thread uide bushing (4), spring (5), screw thread recess gland (6), it constitutes to roll set (7), can roll the dish with socket steel loop and equipment fuses betterly, it targets in place accurately to have utilized equipment to roll the dish, the error of people for placing the socket steel loop has been stopped, roll a set synchronous operation and guaranteed socket steel loop and equipment, thereby the degree of difficulty that the finished product process was repaired has been reduced to tubular product, fine assurance the quality of product, and a work efficiency is increased.