Mounting beam for securing containers on vehicles

The transversally positioned element (1) is designed as a hollow profile (2) with a twist lock (33) and a locking pin (16) positioned at each end. The twist lock (33) is fixed to a first profile (10) accommodated inside the element (1) and the laterally protruding locking pin (16) to a second profile (30) also located inside the element (1) and provided with a triangular front (12). The profiles (10, 30) can be axially moved inside the transversal element (1) as well as in relation to each other in order to be adjusted to the size of the particular container.