Monday 12 December 2011

CAD model

The initial cad model has now been made, and will be modified later to change the material thicknesses to the values decided through stress analysis. Simulation will then be used to check our calculations and show where the maximum stresses occur and their values. It will also be used to give us a volume and overall weight for the crane.
Assembled

Top Beam, as split for carrying

Crane end support broken down for carrying

Crane base as broken down for carrying

Lifting block carrier

Crane Feet

Connecting pins

This is the joint piece which will hold the I beam to the box section column. It will be welded to the upright box column, and the I beam will slide into the end of this piece, and be secured by 20mm connecting pins to keep the I beam in place. The stresses will be transferred by the coincident faces of the beam and the joint piece, putting minimal stress on the pins and acting as a 'built in' joint for the purposes of stress analysis.





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