Rail transit vehicle mounting assembly efficient in mounting and dismounting

The utility model relates to the technical field of rail transit facilities, in particular to a mounting assembly for a rail transit vehicle with efficient assembly and disassembly, which comprises a cross rod, a first clamping plate is arranged on one side of the cross rod, a second clamping plate which is symmetrical to the first clamping plate and has the same structure with the first clamping plate is arranged on the other side of the cross rod, and the top of the second clamping plate is hinged with the top of the first clamping plate. According to the utility model, through the mutual cooperation of all the parts, when the pull ring is collected, the fastening bolt is firstly unscrewed and taken out, then the first fastening clamp and the second fastening clamp are taken out from the two sides of the fixing blocks, and then the pull ring is taken out from the first fastening clamp and the second fastening clamp. And finally, the first clamping plate and the second clamping plate are rotated in the oppos