Longitudinal beam front-end module based on automobile longitudinal beam experiment

The utility model discloses a longitudinal beam front-end module based on an automobile longitudinal beam experiment, which comprises a lengthened beam main body connected with an automobile longitudinal beam and connecting mechanisms arranged at the two ends of the lengthened beam main body, one end of each connecting mechanism on the lengthened beam main body is provided with a connecting frame, and the connecting frame is of a special-shaped hollow frame structure. The connecting frame is connected with the lengthened beam main body through a connecting mechanism; the lengthened beam main body comprises an inner side plate, an outer side plate and a middle plate, a hollow frame body is arranged in the middle of the inner side plate, two end positions of the inner side plate are unfolded sheet-shaped bodies, and the outer side plate and the middle plate are both arch-shaped plate bodies; the connecting mechanism comprises a flange plate and a connecting plate, and the connecting plate is connected with the