Spring stretching tool used for electric power construction

The utility model discloses a spring stretching tool used for electric power construction, comprising clamping plates at two ends of a spring; wherein the each clamping plate is connected with one end of the spring through a large-headed bolt, the large-headed bolt is fastened by a nut after passing through the clamping plate; hydraulic jacks used for adjusting the length of the spring are arranged between the two clamping plates, two ends of the hydraulic jack are respectively fixed to the upper clamping plate and the lower clamping plate; and the two hydraulic jacks are symmetrically arranged at two sides of the spring between the two clamping plates. By adopting the above technical scheme, the spring stretching tool of the utility model has the advantages as follows: the large-headed bolt is clamped into one end of the spring, then the clamping plate is fastened with the large-headed bolt, and the spring is controlled and adjusted by operating the hydraulic jacks, thereby greatly raising reliability for co