Weight Handling Equipment
Chapter 1. Introduction - ufc_3_320_07n0005
References - ufc_3_320_07n0006
Appendix A. Weight Handling Equipment
Department of Defense and Handbook Weight Handling Equipment
Abstract - ufc_3_320_07n0009
Section 1. Introduction - ufc_3_320_07n0023
Related Criteria.
Section 2: Main Crane Types
Figure 1. Overhead Electric Traveling Crane
Underrunning Cranes. - ufc_3_320_07n0027
Distinctive Features.
Figure 2. Underruning Crane
Cantilever Cranes
Figure 3. Stationary Jib Cranes
Traveling
Figure 4. Traveling Wall Cranes
General Description - ufc_3_320_07n0034
Figure 5. Portal Crane (Older Design)
Figure 6. Portal Crane (Newer Design)
Distinctive Features - ufc_3_320_07n0037
Figure 7. Floating Crane (Older Design)
Figure 8. Floating Crane (Newer Design)
Distinctive Features - ufc_3_320_07n0040
General Description - ufc_3_320_07n0041
Figure 9A. Container Crane
Figure 9B. Container Crane
Mobile Cranes.
Figure 10. Mobile Cranes (Wheel-Mounted)
Figure 11. Mobile Cranes (Track-Mounted)
General Description.
Figure 12. Gantry Crane
Figure 13. Semi-Gantry Crane
Industry Standards
Section 3. Commercial Cranes, Monorail Hoists, and Line Hauling Mechanisms
Capstans
Section 4: Description Of Assemblies and Components
End Trucks and End Ties for OET Cranes
Trolley Frames For OET Cranes
Figure 4. Undderuning End Trucks
Runway Suspension Systems
Pillar Anchor Bolts
Struts
Mobile Crane Fixed Length Booms
Machinery Decks
Gantries and Semi-Gantries
Drive Foundations
Structural Pins
Painting and Corrosion Protection
Paints and Application
Structural-Mechanical
King Pins
Figure 15. Center Steadiment
Bent Rail Roller Paths
Rotate Bearings
Figure 16. Three-Row Rotate Bearing
Travel Truck Equalizers
Figure 17. Gudgeon Assembly (Inverted T Type)
Figure 18. Gudgeon Assembly (Saddle Type)
Float Pins
Figure 19. Float Pin
Figure 20. Float Pin
Figure 21. Float Pin
Fasteners and Connections
Mechanical - ufc_3_320_07n0081
Commercial Base/Deck Mounted Electric Hoists
Commercial Underhung Hoists
Bridge Travel Drives (On Walkways)
Portal and Gantry Travel Drives.
Portal and Floating Crane Rotate Drives
Micro-Drives
Planetary Gear and Cycloidal Speed Reducers
Pump Drives
Couplings
Special Couplings
Mounted Bearings
Sheaves
Wire Rope Drums
Wire Ropes
Wire Rope End Fittings
Hooks
Bumpers
Spud Locks
Threaded Fasteners - ufc_3_320_07n0100
Retainer (Snap) Rings
Figure 22. Carrier Yokes and Travel Assembly
Brake Wheels
Painting and Corrosion Protection.
Combination Hydraulic Shoe Brakes
Caliper Disc Brakes.
Toothed (Clutch) Couplings
DC Drive Motors
Shunt-Wound Motor Drives
Emergency Dynamic Braking
Wound-Rotor Motor Drives
Plugging
Shore Power Operation.
Generators
Auxiliary Diesel Engine-Generator Sets
Mounting
Anti-Condensation Heaters.
Conductors
Wirewound
Eddy-Current Brakes - ufc_3_320_07n0120
Festooned Conductor Systems
Limit Switches
Other Portal and Floating Crane Applications
Feeder Protection
Motor Protection
Hook Load
Master Switches
Radio Frequency Links - ufc_3_320_07n0128
Figure 23. RF Link
DC System Grounding
Load Indicating Devices
Additional Requirements - ufc_3_320_07n0132
Section 5. Design Criteria
Table 1: Percentages of Increase for Impact
Acceleration and Deceleration Forces.
Additional Loads on Floating Cranes.
Underrunning Cranes. - ufc_3_320_07n0137
Portal Cranes
Portal Base.
Floating Cranes - ufc_3_320_07n0140
Container Cranes.
Container Cranes. - Continued
Mobile Cranes - ufc_3_320_07n0143
Gantry and Semi-Gantry Cranes
Floating Cranes - ufc_3_320_07n0145
Container Cranes
Mobile Cranes - ufc_3_320_07n0147
Supplementary Design Features.
Structural Assembly Standards
Accessibility and Maintainability Features.
Structural-Mechanical
Fleeting Sheave Pins
Trunnion Mounting
Maximum Roller Load
Rotate Bearings
Fastener Sizing
Beaming Method
Figure 24. Variation Of Wheel Load Through A Quadrant of Rotation
Moment of Inertia Method.
Figure 25. Beaming Method Model
Gudgeon Thrust Washers and Thrust Bearings
Gudgeon and Gudgeon Pin Bushings
Figure 27. Portal Crane Truck Float
Float Pin/Bushing Assemblies.
Figure 28. Cross Section of Assembly (At Maximum Float)
Pendant End Fittings.
Gear Reducers
Open Gearing.
Travel Drive Shafts.
Table 2. Bearing Life Determination Criteria
Mounted Bearings.
Travel Wheels
Other Wheel/Rail Combinations
Wire Ropes
Wire Rope End Fittings
Non-Permanent Wire Rope Retention Hardware
Overhauling Weight.
Hook Blocks
Bumpers
Threaded Fasteners - ufc_3_320_07n0180
Welding - ufc_3_320_07n0181
Mechanical Criteria for Brakes
Electrical Criteria for Brakes.
Electrical Criteria for Clutches.
Motor Operating Regimes.
Figure 29. Motor Operating Regimes
Motor Characteristic Curves
Figure 30. Characteristics Curves DC Series-Wound Motor
Figure 31. Characteristic Curves DC. Shunt-Wound Motor
Figure 32. Characteristic Curves DC. Shunt-Wound Motor 30hp
Figure 33. Characteristic Curves AC. Squirrel Cage Motor 5HP
Figure 34A. DC Series-Wound Motor Branch Circuit
Figure 34B. DC Series-Wound Motor Branch Circuit
Figure 35. DC Series-Wound Motor Branch Circuit (Curved Track Travel Drive)
Figure 36. DC Series-Wound Motor Branch Circuit (Straight Track Travel Drive )
Figure 37. DC Shunt-Wound Motor Branch Circuit
Figure 38. DC Compound - Wound Motor Branch Circuit
Figure 39. AC Squirrel Cage Motor Branch Circuits
AC Motor Branch Circuits
Figure 40a. Ac Wound-Rotor Motor Branch Circuits
Figure 40B. AC Wound-Rotor Motor Branch Circuits
Figure 41. AC Wound-Rotor Motor Branch Circuits
Figure 42. DC Series - Wound Motor Speed-Torque Curves
Figure 43. DC Series Wound Motor Speed Torgue Curves
Figure 44. DC Shunt-Wound Motor Speed Torgue Curves
Figure 45. DC Compound- Wound Motor Speed Torgue Curves
Figure 46. AC Squirrel Cage Motor Speed-Torque Curves
Figure 47. AC Wound-Rotor Motor Speed-Torque Curves
Figure 48. Hook Speed - Hook Load Curves
Figure 49. Hook Speed - Hook Load Curves (AC Wound-Rotor Motor Driven Hoist. With Eddy -Current Brake)
Diesel Engine-Generator Sets
Motor-Generator Sets.
Control Equipment
AC Control Equipment.
DC Control Equipment
Thyristors.
Rectifiers
Eddy-Current Brakes - ufc_3_320_07n0218
Pendent Pushbutton Stations.
Cab Control Stations.
Protective Devices.
Conductors.
Raceways
Transients and Harmonics Protection
Radio Frequency Links - ufc_3_320_07n0225
Section 6: Supplementary Requirements and Design Considerations
Special Purpose Service
Captivation and Containment
Hazardous/Explosive Environment
Background. - ufc_3_320_07n0230
Hot (Molten) Metal Service
Ordnance/Explosives Handling.
Longshoring Service.
Section 7. Technical Documentation
Commercial Cranes.
Catalog Cuts.
Technical Manuals
Crane Alterations
Section 8. Foreign Design Standards and Products
Welding - ufc_3_320_07n0240
Electrical Controls
Section 9: Crane Information Forms
Appendix A: Sample Crane Information Form for Overhead Electric Traveling Crane(s)
Operator Controls
Operator's Cab
Instructions for Clearance Sketch and Floor Plan
K and P Are The Wheel Loads Used For Design of Runway Girders
Illustrations
Interior Crane Runway Section (TYP)
Column and Bracing In Laydown Are
Column and Bracing In Laydown Are - Continued
Appendix B: Sample Crane Information Form for Underrunning (Single Girder) Crane(s)
Crane Service
Runway End Stops
Instructions for Clearance Sketch and Floor Plan
Maximum Allowable Load At Runway Track Beam Support Point
Crane Runway Plan and Sway Brace Locations
Typical Rail Connection At All Joists
Runway Transverse and End Bracing/Suspesion Details
Appndix C: Sample Crane Information Form for Portal Cranes
Hook Lifting Ranges
Operating Environment
Illustration - ufc_3_320_07n0263
Dimensions and Design Concept
Clearance Outline (Including All Float)
Chapter 1. Introduction - ufc_3_320_07n0005
References - ufc_3_320_07n0006
Appendix A. Weight Handling Equipment
Department of Defense and Handbook Weight Handling Equipment
Abstract - ufc_3_320_07n0009
Section 1. Introduction - ufc_3_320_07n0023
Related Criteria.
Section 2: Main Crane Types
Figure 1. Overhead Electric Traveling Crane
Underrunning Cranes. - ufc_3_320_07n0027
Distinctive Features.
Figure 2. Underruning Crane
Cantilever Cranes
Figure 3. Stationary Jib Cranes
Traveling
Figure 4. Traveling Wall Cranes
General Description - ufc_3_320_07n0034
Figure 5. Portal Crane (Older Design)
Figure 6. Portal Crane (Newer Design)
Distinctive Features - ufc_3_320_07n0037
Figure 7. Floating Crane (Older Design)
Figure 8. Floating Crane (Newer Design)
Distinctive Features - ufc_3_320_07n0040
General Description - ufc_3_320_07n0041
Figure 9A. Container Crane
Figure 9B. Container Crane
Mobile Cranes.
Figure 10. Mobile Cranes (Wheel-Mounted)
Figure 11. Mobile Cranes (Track-Mounted)
General Description.
Figure 12. Gantry Crane
Figure 13. Semi-Gantry Crane
Industry Standards
Section 3. Commercial Cranes, Monorail Hoists, and Line Hauling Mechanisms
Capstans
Section 4: Description Of Assemblies and Components
End Trucks and End Ties for OET Cranes
Trolley Frames For OET Cranes
Figure 4. Undderuning End Trucks
Runway Suspension Systems
Pillar Anchor Bolts
Struts
Mobile Crane Fixed Length Booms
Machinery Decks
Gantries and Semi-Gantries
Drive Foundations
Structural Pins
Painting and Corrosion Protection
Paints and Application
Structural-Mechanical
King Pins
Figure 15. Center Steadiment
Bent Rail Roller Paths
Rotate Bearings
Figure 16. Three-Row Rotate Bearing
Travel Truck Equalizers
Figure 17. Gudgeon Assembly (Inverted T Type)
Figure 18. Gudgeon Assembly (Saddle Type)
Float Pins
Figure 19. Float Pin
Figure 20. Float Pin
Figure 21. Float Pin
Fasteners and Connections
Mechanical - ufc_3_320_07n0081
Commercial Base/Deck Mounted Electric Hoists
Commercial Underhung Hoists
Bridge Travel Drives (On Walkways)
Portal and Gantry Travel Drives.
Portal and Floating Crane Rotate Drives
Micro-Drives
Planetary Gear and Cycloidal Speed Reducers
Pump Drives
Couplings
Special Couplings
Mounted Bearings
Sheaves
Wire Rope Drums
Wire Ropes
Wire Rope End Fittings
Hooks
Bumpers
Spud Locks
Threaded Fasteners - ufc_3_320_07n0100
Retainer (Snap) Rings
Figure 22. Carrier Yokes and Travel Assembly
Brake Wheels
Painting and Corrosion Protection.
Combination Hydraulic Shoe Brakes
Caliper Disc Brakes.
Toothed (Clutch) Couplings
DC Drive Motors
Shunt-Wound Motor Drives
Emergency Dynamic Braking
Wound-Rotor Motor Drives
Plugging
Shore Power Operation.
Generators
Auxiliary Diesel Engine-Generator Sets
Mounting
Anti-Condensation Heaters.
Conductors
Wirewound
Eddy-Current Brakes - ufc_3_320_07n0120
Festooned Conductor Systems
Limit Switches
Other Portal and Floating Crane Applications
Feeder Protection
Motor Protection
Hook Load
Master Switches
Radio Frequency Links - ufc_3_320_07n0128
Figure 23. RF Link
DC System Grounding
Load Indicating Devices
Additional Requirements - ufc_3_320_07n0132
Section 5. Design Criteria
Table 1: Percentages of Increase for Impact
Acceleration and Deceleration Forces.
Additional Loads on Floating Cranes.
Underrunning Cranes. - ufc_3_320_07n0137
Portal Cranes
Portal Base.
Floating Cranes - ufc_3_320_07n0140
Container Cranes.
Container Cranes. - Continued
Mobile Cranes - ufc_3_320_07n0143
Gantry and Semi-Gantry Cranes
Floating Cranes - ufc_3_320_07n0145
Container Cranes
Mobile Cranes - ufc_3_320_07n0147
Supplementary Design Features.
Structural Assembly Standards
Accessibility and Maintainability Features.
Structural-Mechanical
Fleeting Sheave Pins
Trunnion Mounting
Maximum Roller Load
Rotate Bearings
Fastener Sizing
Beaming Method
Figure 24. Variation Of Wheel Load Through A Quadrant of Rotation
Moment of Inertia Method.
Figure 25. Beaming Method Model
Gudgeon Thrust Washers and Thrust Bearings
Gudgeon and Gudgeon Pin Bushings
Figure 27. Portal Crane Truck Float
Float Pin/Bushing Assemblies.
Figure 28. Cross Section of Assembly (At Maximum Float)
Pendant End Fittings.
Gear Reducers
Open Gearing.
Travel Drive Shafts.
Table 2. Bearing Life Determination Criteria
Mounted Bearings.
Travel Wheels
Other Wheel/Rail Combinations
Wire Ropes
Wire Rope End Fittings
Non-Permanent Wire Rope Retention Hardware
Overhauling Weight.
Hook Blocks
Bumpers
Threaded Fasteners - ufc_3_320_07n0180
Welding - ufc_3_320_07n0181
Mechanical Criteria for Brakes
Electrical Criteria for Brakes.
Electrical Criteria for Clutches.
Motor Operating Regimes.
Figure 29. Motor Operating Regimes
Motor Characteristic Curves
Figure 30. Characteristics Curves DC Series-Wound Motor
Figure 31. Characteristic Curves DC. Shunt-Wound Motor
Figure 32. Characteristic Curves DC. Shunt-Wound Motor 30hp
Figure 33. Characteristic Curves AC. Squirrel Cage Motor 5HP
Figure 34A. DC Series-Wound Motor Branch Circuit
Figure 34B. DC Series-Wound Motor Branch Circuit
Figure 35. DC Series-Wound Motor Branch Circuit (Curved Track Travel Drive)
Figure 36. DC Series-Wound Motor Branch Circuit (Straight Track Travel Drive )
Figure 37. DC Shunt-Wound Motor Branch Circuit
Figure 38. DC Compound - Wound Motor Branch Circuit
Figure 39. AC Squirrel Cage Motor Branch Circuits
AC Motor Branch Circuits
Figure 40a. Ac Wound-Rotor Motor Branch Circuits
Figure 40B. AC Wound-Rotor Motor Branch Circuits
Figure 41. AC Wound-Rotor Motor Branch Circuits
Figure 42. DC Series - Wound Motor Speed-Torque Curves
Figure 43. DC Series Wound Motor Speed Torgue Curves
Figure 44. DC Shunt-Wound Motor Speed Torgue Curves
Figure 45. DC Compound- Wound Motor Speed Torgue Curves
Figure 46. AC Squirrel Cage Motor Speed-Torque Curves
Figure 47. AC Wound-Rotor Motor Speed-Torque Curves
Figure 48. Hook Speed - Hook Load Curves
Figure 49. Hook Speed - Hook Load Curves (AC Wound-Rotor Motor Driven Hoist. With Eddy -Current Brake)
Diesel Engine-Generator Sets
Motor-Generator Sets.
Control Equipment
AC Control Equipment.
DC Control Equipment
Thyristors.
Rectifiers
Eddy-Current Brakes - ufc_3_320_07n0218
Pendent Pushbutton Stations.
Cab Control Stations.
Protective Devices.
Conductors.
Raceways
Transients and Harmonics Protection
Radio Frequency Links - ufc_3_320_07n0225
Section 6: Supplementary Requirements and Design Considerations
Special Purpose Service
Captivation and Containment
Hazardous/Explosive Environment
Background. - ufc_3_320_07n0230
Hot (Molten) Metal Service
Ordnance/Explosives Handling.
Longshoring Service.
Section 7. Technical Documentation
Commercial Cranes.
Catalog Cuts.
Technical Manuals
Crane Alterations
Section 8. Foreign Design Standards and Products
Welding - ufc_3_320_07n0240
Electrical Controls
Section 9: Crane Information Forms
Appendix A: Sample Crane Information Form for Overhead Electric Traveling Crane(s)
Operator Controls
Operator's Cab
Instructions for Clearance Sketch and Floor Plan
K and P Are The Wheel Loads Used For Design of Runway Girders
Illustrations
Interior Crane Runway Section (TYP)
Column and Bracing In Laydown Are
Column and Bracing In Laydown Are - Continued
Appendix B: Sample Crane Information Form for Underrunning (Single Girder) Crane(s)
Crane Service
Runway End Stops
Instructions for Clearance Sketch and Floor Plan
Maximum Allowable Load At Runway Track Beam Support Point
Crane Runway Plan and Sway Brace Locations
Typical Rail Connection At All Joists
Runway Transverse and End Bracing/Suspesion Details
Appndix C: Sample Crane Information Form for Portal Cranes
Hook Lifting Ranges
Operating Environment
Illustration - ufc_3_320_07n0263
Dimensions and Design Concept
Clearance Outline (Including All Float)
