Cable fast-assembling junction box for rail transit

The utility model discloses a rail transit cable fast-assembly junction box, comprising a box body, a box door hinged on the box body, and a junction assembly installed in the box body, the junction assembly comprises a support vertical plate which is transversely erected and a plurality of clamping seats which can be arranged and clamped on the support vertical plate and are used for clamping a single cable, the side, away from the supporting vertical plate, of each clamping base is provided with a fixing frame, and a gap allowing the other clamping base to be clamped is reserved between each fixing frame and the corresponding clamping base. According to the cable fast-assembly junction box for the rail transit, the clamping seats are matched with the fixing frame to form a splicing module used for cable fast-assembly junction, the multiple clamping seats can be distributed and clamped on the supporting vertical plate side by side, fast disassembly and assembly of cables on the clamping seats are achieved, m