The invention relates to a railway vehicle jib-type axle box locating node assembling device. The railway vehicle jib-type axle box locating node assembling device comprises an axle box body, a locating node, a gland and bolts, and further comprises a press-fitting platform, a first abutting device and a second abutting device. The axle box body, the locating node, the first abutting device and the second abutting device are fixed onto the press-fitting platform, the first abutting device abuts against the gland from one side to enable the gland to abut against the end portion of the axle box body and the second abutting device abuts against the axle box body to provide back pressure when the axle box body is pressed onto the locating node. The railway vehicle jib-type axle box locating node assembling device is simple and convenient to operate and high in universality, effectively lowers the labor intensity for motor train unit jib-type axle box locating node assembling, improves the production efficiency and meanwhile guarantees the assembling quality.