Automatic change anchor clamps

The utility model discloses an automatic change anchor clamps, comprising a base plate, the last surface mounting of bottom plate has two spinal branch daggers, the one end that the support column was kept away from to the bottom plate is equipped with the base, two the middle part of support column is equipped with the fixed plate, two there is the backup pad on the upper portion of support column through spout swing joint, the backup pad is transferred and is equipped with the clamp plate, the both ends of fixed plate all are equipped with the fixed slot, the clamp plate passes through the telescopic link and is connected with the fixed slot, the upper surface both sides of base are equipped with linear electric motor and gusset plate respectively, linear electric motor is connected with the fly leaf through the bracing piece top, one side of linear electric motor is equipped with control switch, press the other end of clamp plate and the surface connections of backup pad, solved among the prior art centre