Model hoist on Catia

Hello 

I have a university project which is  to model a hoist on Catia V5. I don't have permission to use any other software. 

A hoist consists of pulleys and a chain/rope that connects the pulleys together. However, it seems to me that Catia does not allow you to make a rope. So I thought as it's a quick model, to replace the rope and pulleys with a chain and gears. And yet another problem, one part of the chain passes in front of another part of the chain and I don't know how to do it. If you have any suggestions or help, that would be great. Thank you very much

Good evening

Maybe the beginning of a runway? : https://www.youtube.com/watch?v=DlR_uRFT0Zo

Cdt