Securing device for securing exchangeable load containers on a skip lorry and skip lorry with such a securing device for holding exchangeable load containers

The safety device has a stopper (113), a support structure (115), which supports the stopper. A locking element (117) is moved between a passing position and a locking position. The locking element is arranged at the support structure. An upwardly open depression is formed between the stopper and the locking element in locking position. The mobile locking element is arranged in a recess (119) of the support structure. An independent claim is included for a dump truck for retaining of exchangeable cargo containers on loading surface.