160 likes | 642 Vues
Fifth Wheel Test Machine Project Concept Evaluation. Group members: Jonathan Eckart Wayne Farley Rob Grace Chris Bozarth Academic advisor: Dr. Faryar Etesami. Preview. Introduction Design Concepts Scoring Matrix Conclusion. SOLID MOUNT FRAME. SIMPLEX 400 ®. SLIDING MOUNT.
E N D
Fifth Wheel Test Machine ProjectConcept Evaluation Group members: Jonathan Eckart Wayne Farley Rob Grace Chris Bozarth Academic advisor: Dr. Faryar Etesami
Preview • Introduction • Design Concepts • Scoring Matrix • Conclusion SOLID MOUNT FRAME SIMPLEX 400® SLIDING MOUNT
Introduction • Fifth wheel – trailer to truck connection • ConMet wants a machine to test ultimate strength of fifth wheels in axial direction • Test machine must have: - Adjustable width and height for different models of fifth wheels - Data acquisition: need to know forces required to fail fifth wheel 300kip
Rail Cart Concept • Fifth wheel mounts to cart • Kingpin is fixed • Hydraulic cylinder pushes cart
Power Screw Concept • Power screw load delivery • Load cell measures force
Sliding Adjustment Concept • Posts slide inside rect. tube • Power screws adjust fifth wheel height • Hydraulic cylinder pulls kingpin
Plate and Screw Concept • Screw adjusts width • Pin placed through rail and plate • Hydraulic jack adjusts height of platform
Cylinder Mount Concept • Centerline adjustment with slotted plate • Alternative form would allow vertical adjustment of cylinder
Pivot Arm Concept • Arm with kingpin mounts to cylinder rod • Arm can pivot away from fifth wheel assembly
Mechanical Advantage Concept • Lever arm multiplies force of cylinder • Vertical layout
Conclusion • 7 different concepts • No single concept itself will do the best job • Final concept will use a combination of ideas from the concepts generated
General Concept 1. Hydraulic cylinder will be used to apply force to fifth wheel. 2. Slotted plate used for width adjustment 3. Hydraulic cylinder moves for height adjustment 4. Pivot points on ends of cylinder 5. Adapter plate for kingpin-cylinder connection
Hydraulic Cylinder 12” DIA BORE CYLINDER CAN DEVELOP >339000 LBS OF FORCE USING 3000 PSI PUMP LIFTING POINTS PIVOT POINTS