Workshop Crane Calculation Help: Cantilever, Column, Pivot & Ram Pins Analysis

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SUMMARY

The discussion focuses on calculating various structural analyses related to crane design, specifically cantilever beam analysis, column analysis, pivot pin analysis, and ram pins analysis. Key equations utilized include tensile stress (σ = F/A), the general bending equation (M/I = σ/y), and moment of inertia formulas for different shapes. The user has provided images of their calculations and relevant information on bolts and rectangular hollow sections (RHS). The analysis is crucial for ensuring the structural integrity of the crane in operation.

PREREQUISITES
  • Understanding of tensile stress and its calculation.
  • Familiarity with bending equations and moment of inertia concepts.
  • Knowledge of shear stress calculations for bolts in double shear.
  • Basic principles of torque and its application in structural analysis.
NEXT STEPS
  • Research advanced cantilever beam analysis techniques.
  • Explore the application of finite element analysis (FEA) in crane design.
  • Study the effects of load distribution on column stability.
  • Learn about the design considerations for pivot pins and ram pins in cranes.
USEFUL FOR

Structural engineers, mechanical engineers, and students involved in crane design and analysis will benefit from this discussion, particularly those focusing on the calculations necessary for ensuring safety and performance in crane operations.

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Homework Statement


need to calculate cantilever beam analysis, column analysis, pivot pin analysis, ram pins analysis
the attached pdf has the picture of the crane i intend to use.



Homework Equations


Tensile stress, σ = F/A

General bending equation: M/I = σ/y

Moment of inertia for a rectangular section: bh^3/12

Moment of inertia for a circular section: Ix = Iy = ∏D^4/64

Moment of inertia for a hollow circular section: Ix = Iy = ∏(D^4-d^4)/64

Shear stress on a bolt in double shear, σ = F/(∏/2)D^2

Torque = Fr


The Attempt at a Solution


the pics attached shows the attmept of my calculation.
View attachment RC1000.pdf

IMG-20130320-WA0004.jpg


IMG-20130320-WA0003.jpg
 
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