Slip ring mounting structure and head radiotherapy equipment applying same

The utility model discloses a slip ring installation structure and a head radiotherapy device using the same, the slip ring installation structure is installed between a rotating disc assembly and a pedestal rear support portion, the slip ring installation structure comprises a slip ring assembly, the slip ring assembly comprises a slip ring and a rotating code disc, the rotating code disc is provided with an identification member used for indicating the position of a ray beam outlet, and the identification member is provided with an identification hole. According to the utility model, the slip ring can be conveniently installed on the radiotherapy equipment, can stably transmit a power supply and a data signal, and is convenient to disassemble, and the equipment turntable assembly is also coaxially provided with the rotary code disc for identifying the position of the ray beam outlet, so that the equipment turntable assembly is convenient to assemble and disassemble. The position of the beam outlet of the ra