Portable lightning arrester test support

The invention discloses a portable lightning arrester test support, which comprises a support plate, and is characterized in that the support plate comprises a seat plate body and at least three limiting rods which are movably mounted on the bottom surface of the seat plate body at equal angles, and the outer end parts of the limiting rods are respectively hinged with corresponding n-shaped supporting pieces; the insulating column comprises an insulating column body and an inserting part, the inserting part is inserted into the lower side of the guide hole of the seat plate body in a penetrating mode, and after the n-shaped supporting piece swings outwards, the outer side of the n-shaped supporting piece is located outside the seat plate body. The inner end parts of the limiting rods are fixedly inserted into the insertion grooves of the insertion parts through inward movement of the n-shaped supporting pieces; the conductive metal plate and the fixing device are arranged at the top of the insulating column b