Cable bonding assisting structure

The invention discloses a cable bonding assisting structure, which comprises an outer box body, a main wire, a main wire hole, a plurality of branch wire guiding structures and a plurality of conductive transfer structures, wherein each branch wire guiding structure comprises a branch wire hole and an opening and closing door for sealing the branch wire hole; a separator is arranged in the outer box body; the separator divides the inner part of the outer box body to a power distribution cavity and a cooling cavity; an air guide fan is arranged in the cooling cavity; an air inlet and an air outlet are arranged in the outer box body; the main wire passes through the main wire hole; the branch wire hole is communicated with the power distribution cavity; each conductive transfer structure comprises an inner branch wire, a built-in shell and a conductive busbar, and in one conductive transfer structure, one end of the inner branch wire is connected with the main wire, the other end of theinner branch wire is conn