A splice frame intended to be attached to at least a first end portion of a conveyor belt of a type including a body made of flexible material, inside of which is housed a reinforcement including cables. The splice frame includes retaining members having at least one body configured to extend at least partially transversely with respect to the conveyor belt and anchoring members configured to engage with at least part of the cables so as to secure the body of the retaining members to the first end portion of the conveyor belt. The retaining members include a retention interface for retaining one or more fasteners of a splicing device intended for splicing the first end portion with a second end portion of the conveyor belt when a tensile force is applied between the splicing device and the conveyor belt.