A clamping apparatus for clamping at least one strap (3), wherein the clamping apparatus has a basic body (1) on which are arranged at least two basic body clamping bodies (5, 17) which are realized as webs for winding the strap (3) around, characterized in that at least one third basic body clamping body (4), which is realized as a lever which is pivotable in relation to the basic body (1), is arranged on the basic body (1), wherein the third basic body clamping body (4) is pivotable into a clamping position for locking the strap (3) between the basic body clamping bodies (5, 17) which are realized as webs and the third basic body clamping body (4).