Cutting device and cutting method for aluminum alloy cable erection

The invention discloses a cutting device and a cutting method for aluminum alloy cable erection, and belongs to the field of cable erection, the cutting device comprises a handle, a U-shaped seat fixedly connected to one end of the handle and an anti-lost ring fixedly connected to the other end of the handle, and further comprises a sliding clamping mechanism arranged on the inner surface of the lower portion of the U-shaped seat; the length measuring mechanism is arranged in the sliding clamping mechanism and the U-shaped seat; the approaching cutting mechanisms are arranged on the inner surfaces of the two sides of the U-shaped seat; an infrared sensor is arranged at the position, away from and close to the cutting mechanism, of the inner surface of the U-shaped base. According to the cable cutting device, by arranging the sliding clamping mechanism and the adapting mechanism, cables of different thicknesses can be cut without difference; besides, by arranging the length measuring mechanism, waste of the ca