Flange coupling between a longitudinal beam of a vehicle and a support element fixable thereto

The flange connection has a flange plate (3) provided by the chassis longitudinal carrier (1) and a counter-flange plate (4) provided by the attached carrier component (2) which are locked together via a transverse wedge notch (9) of a coupling bolt (7) projecting from the flange plate and a cooperating wedge surface (18) of a locking part (15) on the inside of an opening (12) for the coupling bolt, provided by the counter-flange plate.