an assembly that describe the treadmill crane similar or something like the one shown below, I'm asked to make an assembly that describe the treadmill crane similar or something like the one shown below

hey, as in the title, and a beginner of solidworks I looked up the entire internet and never found a 3d sketch of it, can any one give me an idea how to gather all those parts or have an assembly similar to it?

SolidworksAssemblies