Common jig for quick wire change of chassis bracket

The utility model relates to a chassis support rapid line changing common jig which comprises a fixing table, a through opening for a chassis support to penetrate through and be clamped is formed in the fixing table, vertical clamping oil cylinders are symmetrically and fixedly arranged at the positions, at the two transverse ends of the through opening, of the fixing table, and the chassis support is vertically clamped through the telescopic ends of the vertical clamping oil cylinders. A longitudinal adjusting hole and a transverse adjusting hole are formed in the positions, on the two longitudinal sides of the through opening, of the fixing table respectively, vertical positioning oil cylinders are arranged in the longitudinal adjusting hole and the transverse adjusting hole respectively, the telescopic ends of the vertical positioning oil cylinders penetrate through the chassis support to be limited, and a swing block used for being connected to the transverse end of the chassis support in an abutting mode