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Overhead Cranes Considerations and Applications

Overhead Cranes Considerations and Applications. by Craig Pelkola Applications Engineer North American Industries Boston, Massachusetts, USA. Agenda. What is a Crane? Main Considerations Types of Cranes Electrification and Controls Interfaces Clearances Runways

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Overhead Cranes Considerations and Applications

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  1. Overhead Cranes Considerations and Applications • by Craig Pelkola • Applications Engineer • North American Industries • Boston, Massachusetts, USA

  2. Agenda • What is a Crane? • Main Considerations • Types of Cranes • Electrification and Controls • Interfaces • Clearances • Runways • Below the Hook Lifting Devices • Questions?

  3. What is a Crane • Cranes are made up of: • Hoists • Trolleys • End Trucks • Runways

  4. Considerations • Main Considerations • What does the crane need to accomplish • Capacity • Duty Cycle • Power Supply • Environment

  5. Types of Cranes • Types of Cranes and Their Uses • Fixed Hoists • Monorails • Jib Cranes • Bridge Cranes • Gantry Cranes • Special Cranes

  6. Types of Cranes • Fixed Hoist

  7. Types of Cranes • Monorails

  8. Types of Cranes • Jib Cranes • Wall Mount • Free Standing

  9. Types of Cranes • Bridge Cranes • Single Girder • Double Girder

  10. Types of Cranes • Single Girder Bridge Cranes

  11. Types of Cranes • Double Girder Bridge Cranes

  12. Types of Cranes • Gantry Cranes

  13. Types of Cranes • Special Cranes • Single Legged Gantry • Trackless Gantry • Specific Handling Needs • Polar Cranes • Special Lifting Needs

  14. Types of Cranes • Gantry Cranes – Single-Legged Gantries

  15. Types of Cranes • Special Cranes - Trackless Gantries

  16. Types of Cranes • Special Cranes – Specific Handling Needs

  17. Types of Cranes • Special Cranes – Polar Crane

  18. Types of Cranes • Special Lifting Needs

  19. Crane Electrification and Controls • Crane Electrification and Controls • Electrification • Motor Controls • Human Interfaces • Other Interfaces

  20. Crane Electrificationand Controls • Electrification • Generators • Cable Reels • Festoon Systems • Conductor Bar

  21. Electrification • Generators

  22. Electrification • Cable Reels

  23. Electrification • Festoon Systems

  24. Electrification • Conductor Bar

  25. Crane Electrificationand Controls • Controls • Single Speed • Two Speed • Variable Frequency Drive (VFD)

  26. Controls • Motor Controls

  27. Human Interfaces • Interfaces used to control cranes • Push Button Pendant • Radio Control • Cab Control • Automated Control

  28. Human Interfaces • Push Button Pendant

  29. Human Interfaces • Radio Control

  30. Human Interfaces • Cab Control

  31. Human Interfaces • Automated Control

  32. Other Interfaces • Safety Interfaces • Hoist Limit Switches • Weight Overload Switch • Travel Limit Switches • Collision Avoidance Systems

  33. Clearances • Spans, Approaches, and Headroom

  34. Clearances • Hook Height

  35. Clearances

  36. Runways • Types of Runways

  37. Runways • Types of Runways • Top Running • Under Running

  38. Runways • Top Running and Under running Clearances

  39. Runways • Rails • ASCE rail vs 2x2 bar: • Cost • Wear Characteristics • Stiffening properties

  40. Below the Hook • Below the Hook Lifting Devices

  41. Questions? • Questions and Answers Feel free to email me any questions you might have: craigp@naicranes.com

  42. Gracias! Thank you very much for attending my talk on overhead cranes. Craig Pelkola craigp@naicranes.com North American Industries

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