Project Report

1
Project Report

• 30-foot Jib Crane for Knelson Concentrators

2
Introduction

• Design Team
• George Beckingham
• David Wang
• Michael Chen
• Sponsor
• Knelson Concentrators
• Ed Zonneveld, Engineering Manager

3
Summary

• Requirements
• Concepts Considered
• Detailed Design Process
• Main Beam
• Primary Structure
• Minor Components
• 3D Model and Drawings
• Conclusions and Recommendations

4
Requirements

• Capacity 1 ton
• Design load 2700 lb
• Length 30 feet
• Use existing hardware
• Deadline

5
Concepts Considered

• Single Tension Rod

6
Concepts Considered

• Two Tension Rods

7
Concepts Considered

• Truss

8
Detailed Design Process

• FBD of crane
• Determine forces on building structure

9
Detailed Design Process

• Main Beam
• Algor Analysis

10
Detailed Design Process

• Main Beam
• Manual Calculations
• Buckling load

11
Detailed Design Process

• Primary Structure
• Algor Analysis

12
Detailed Design Process

• Primary Structure
• Manual Calculations
• Location of tension rods
• Rod Tension

13
Detailed Design Process

• Minor Components
• Connection of tension rods to beam
• Clevis
• Clevis Mount

14
Detailed Design Process

• Minor Components
• Mounting brackets
• Inventor-Algor compatibility issues
• Manual calculations

15
Detailed Design Process

• Minor Components
• Bearings

16
Detailed Design Process

• Minor Components
• Welds
• Between main beams
• Top of tension rods
• Clevis mount
• Mounting brackets

17
Detailed Design Process

• Minor Components
• Pins and fasteners
• Pivot pins
• Clevis pin
• Turnbuckle
• Bolts

18
Detailed Design Process

• CAD as a design tool
• 3D Inventor model assisted in design
• Drawings generated from Inventor

19
Conclusions

• All design criteria met
• Capacity exceeded
• Most of planned work completed
• Cost estimate not completed
• Time lost due to inexperience

20
Recommendations

• Re-evaluate design
• Must be approved by P.Eng.
• Increase capacity?

21
Recommendations
2 ton load at end
22
Recommendations
1-1/2 ton load at 7-1/2 feet
23
Recommendations
1-1/2 ton load at 7-1/2 feet
1-1/2 ton load at 20 feet
24
End of Project

• Acknowledgements
• Ed Zonneveld
• Ken Wong

25
Project Report

• 30-foot Jib Crane for Knelson Concentrators