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Pin, link connectors, other restraints

Question asked by Gert-Jan Kobus on Jun 12, 2017
Latest reply on Jun 19, 2019 by Simon Yang

Dear SW forum users. I am developing a movable loading crane that is fitted onto a semitrailer. I have some questions about the simulations of the crane. I'm a beginning user of SolidWorks simulation although I did work through the SolidWorks Simulation training manual.

 

In the attachement you can find some pictures of the crane. When I want to add a pin connector (as I'm not interested in the forces within the pin), SW only allows me to select two circular faces. As you can see in the picture, I need to connect multiple circular faces with one pin. How can I do this? Do I need to make several pin connectors for this issue?

 

In the attached picture, you can see that there are no hydraulic cilinders and connecting pins present in my simulation (the blue lines 1, 2 represent the cilinders). I want to exclude these from the simulation and use a link connector, but I can only select two vertices. What is the best way to solve this?

 

My last question is about the fixtures that I need to use. As I said, the crane is movable. The crane rides on top of a profile on the semitrailer. It uses the rollers that you can see in the picture. When the crane is lifting a load, not all rollers will contact the semitrailer's profile. I tried to apply fixed hinges to make a realistic simulation, but it doesn't fully restaint the assembly. Instead the assembly rotates around one of the fixed hinges?

 

Many thanks in advance!

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