Clamp spring clamp facilitating installation of carbon brush holder

The utility model relates to a clamp spring clamp convenient for installation of a carbon brush holder. The clamp comprises clamp bodies which are mutually crossed and movably connected through a middle pin shaft, the pliers body comprises pliers heads and handles, the pliers heads are sleeved with clamping pieces respectively, the clamping pieces are arranged in the length direction of the pliersheads in a sliding mode, compression springs are arranged between the ends, close to the handles, of the clamping pieces and the middle pin shaft, and the compression springs are arranged on the pliers heads in a sleeving mode and arranged in the length direction of the pliers heads in a telescopic mode. Limiting rings for preventing the clamping pieces from falling off are arranged at the ends,away from the handles, of the tong heads, the clamping pieces are in a circular arc shape, and the bent faces of the clamping pieces are arranged oppositely. According to the technical scheme, the clamp spring pliers facilitat