The utility model relates to a be used for transmission line tower grounding downlead bending apparatus belongs to power supply unit technical field. Technical scheme is: fixing base (7) are fixed onbase (1), and fixing base (7) are left side open -ended hollow structure, and pivot (6) are mated to set up and are opened actinal inside at fixing base (7), and two upper and lower terminal surfacesat fixing base (7) are fixed at the both ends in pivot (6) axle center, and flexible handle (2) vertical fixation is on the side of pivot (6) axle sleeve, and 180 degrees horizontal rotation are around fixing base (7) in flexible handle (2) accessible pivot (6), movable bearing (5), axis (4) and limit axle (3) from left to right set gradually, and movable bearing (5) set up perpendicularly on flexible handle, and axis (4) and limit axle (3) set up on fixing base (7) perpendicularly. The utility model discloses install small and exquisite, the quality is lighter, the alone operation of being convenient for can reduce the crooked degree of difficulty of earth connection, improves crooked quality and efficiency.