Tool for dismounting hinged bolt of bogie

Disclosed is a tool for dismounting a hinged bolt of a bogie. The tool is characterized by comprising an ejecting device and a pulling device, wherein the ejecting device is placed between the side ofa threaded rod of the bolt and an adjacent component and used for ejecting the threaded rod of the bolt outwards; and the pulling device wraps a bolt head already ejected out by the ejecting device and is used for thoroughly pulling out the bolt. A rear vertical plate of an ejecting seat in the ejecting device is placed between the side of the threaded rod of the bolt and the adjacent component,and a positioning barrel is arranged on the bolt head in a sleeving mode and abuts against a connected part on the side of the bolt head. After a hydraulic cylinder acts, the rear vertical plate of the ejecting seat ejects the threaded rod of the bolt out, two clamps in the pulling device are oppositely buckled and wrap the bolt head already ejected out by the ejecting device, the two oppositely-buckled clamps are pulled t