Long line method machining jig frame for variable cross-section reinforcement cage

The utility model discloses a long-line method processing jig frame for a variable cross-section reinforcement cage, which relates to the field of pile foundation reinforcement cage production and comprises a fixed clamping plate, an adjusting clamping plate and a support frame. The upper end face of the fixing clamping plate is in an arc shape with the set diameter, the number of the adjusting clamping plates is multiple, and the upper end faces of the different adjusting clamping plates are in arc shapes with different diameters respectively and used for positioning and supporting a reinforcement cage. A supporting frame is arranged on one side of each fixing clamping plate, and each supporting frame is provided with a clamping groove matched with the lower end of the corresponding adjusting clamping plate in a clamped mode and used for clamping and supporting the corresponding adjusting clamping plate. The adjusting clamping plate is detachably arranged on one side of the fixing clamping plate, so that the