Fixing support of three-phase line

The utility model discloses a three-phase line fixing support, which comprises a base, the top end of the base is sequentially provided with a wire harness groove and three three-phase line grooves along a first direction, the wire harness groove and the three three-phase line grooves extend along a second direction, the first direction is not consistent with the second direction, and the three three-phase line grooves extend along the first direction. The two ends of the wire harness groove and the three-phase wire grooves in the second direction are open, a first notch is formed in the top end of the wire harness groove, wire harnesses except three-phase wires can be clamped into the wire harness groove from the first notch, a second notch is formed in the top end of each three-phase wire groove, and the second notch is clamped into the wire harness groove from the second notch. And three leads of the three-phase line are respectively clamped into the three three-phase line slots. The fixing support for the