Power cable distribution box capable of realizing cable butt joint

The utility model discloses a power cable distribution box capable of realizing cable butt joint. The power cable distribution box comprises a bottom plate, a box body, a box cover, a base and a support assembly. The box cover is fixed to the upper side face of the box body, and the bottom plate is fixed to the lower side face of the box body. The box body comprises an outer box body and an innerbox body, a gap is formed between the inner box body and the outer box body, and the outer box body and the inner box body are both communicated with the gap; convection holes are formed in the box cover and the base, an air channel is formed in the bottom plate, the convection holes are communicated with the gap, and the air channel is communicated with the convection holes and the gap. Idler wheels are hinged to the lower side face of the bottom plate and provided with supporting assemblies used for controlling the idler wheels to be switched between the using state and the retracting state.Due to the application of