The utility model relates to a power equipment technical field specifically is an experimental power axle conversion head of two unification types, including power axle conversion head, the lateral wall upper portion of power axle conversion head is equipped with collecting storage facility, it is equipped with double -phase plug to accomodate the inslot, double -phase plug passes through the connecting rod and connects, base and connection piece are installed to the bottom of double -phase plug, the base internalization is equipped with the dwang, the both ends of dwang are all overlapped and are equipped with the spring, the upper surface middle part of power axle conversion head is equipped with insulating substrate, and insulating substrate goes up fixed mounting and have a three -phase plug, the bottom of double -phase plug and three -phase plug all is connected with the test wire, and the plug type of power connection department does not often conform with experimental power axle plug type in the work of having solved, causes often need unpack power axle plug by oneself apart in the work and carry out the work of reconfiguration, and the operation security is difficult to obtain guarantee, still reduces work efficiency's problem.