The invention discloses a tubular busbar sliding/fixed connection overcurrent and static contact support fitting for a converter station, which comprises an overcurrent fitting assembly, a supportingconnection frame assembly, a sliding/fixed rod assembly and a static contact fixing frame, wherein two ends of the overcurrent fitting assembly are used for connecting a tubular busbar and an equipment terminal to realize overcurrent connection between the tubular busbar and the equipment; the supporting connection frame assembly is used for connecting the equipment terminal and the sliding/fixedrod assembly; the sliding/fixed rod assembly comprises a connecting rod, one end of the connecting rod is provided with an insulated sliding disc and extends into the tubular busbar, and the other endis connected with the supporting connection frame assembly; the connecting rod is provided with an insulated sliding sleeve in a sleeved manner, and one end of the insulated sliding sleeve is fixed at one end part of the tubular busbar; the insulated sliding sleeve is provided with a threaded hole, the connecting rod is provided with a blind hole at the part corresponding to the position of the threaded hole; and two ends of the static contact fixing frame are respectively connected with the equipment and a static contact. The support fitting can realize overcurrent and mechanical connection,and one end of the support fitting is installed on the terminal of the equipment and can be shielded by an anti-corona ring on the equipment.