In order, on a drivetrain test bench (1), to be able to apply reaction forces to the steering system of the drivetrain to be tested, the invention provides a steering force module (18), which comprises a force transmission unit (19) having an outer part (19a) and an inner part (19b) which can rotate relative to the outer part (19a) about a rotational axis (DA), the inner part (19b) being connectable to a rotatable part of the wheel suspension (4) for conjoint rotation, at least one portion of the outer part (19a) being movable relative to the inner part (19b) in at least one additional degree of freedom of movement. An attachment point (BP) for attaching a tie rod end (14a) of the tie rod (14), which has been detached from the wheel suspension (4) of the vehicle (2), is provided on the movable portion of the outer part (19a), and the steering force module (18) comprises at least one force generation unit (20) for generating the steering counter force (FG), the force generation unit (20) comprising a fixed part (21) and a moving part (22) which can move relative to the fixed part, the fixed part (21) being attachable at a positionally fixed mounting point (MP) of the drivetrain test bench (1) or at a fixed mounting point (MP') on the drivetrain or on the vehicle, and the moving part (22) being connected at a connection point (VP) to the movable portion of the outer part (19a) of the force transmission unit (19), the steering counter force (FG) being transmittable from the at least one force generation unit (20) via the moving part (22) and the movable portion of the outer part (19a) onto the tie rod (14).
Lenkkraftmodul für einen Antriebsstrangprüfstand
2025-06-18
Patent
Electronic Resource
German
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