Auxiliary measuring scale for tension of belt of nuclear power fan

The utility model discloses a nuclear power fan belt tensioning force auxiliary measuring scale, which is suitable for being connected with a measuring rod of a belt tensiometer, the nuclear power fan belt tensioning force auxiliary measuring scale comprises a measuring scale main body, the middle part of one side of the measuring scale main body is provided with a connecting part, and the connecting part is used for being fixed at a marking position of the measuring rod; the connecting part is provided with a through groove for the measuring rod to penetrate through, and the peripheral wall of the connecting part is provided with at least one mounting hole for a fastener to penetrate through so as to fix the connecting part on the measuring rod. According to the auxiliary measuring scale for the belt tension of the nuclear power fan, the maintenance requirement of efficiently and accurately measuring the belt tension in the maintenance process of a centrifugal fan is met, and the maintenance period is indire