Calculate Force Compression of Crane with Hoisting Slink

In summary, the conversation discusses the differences in the perceived force acting on a crane with and without a hoisting slink and pulley. It is suggested to simplify the problem by imagining a vertical lifting boom and creating a free-body diagram to analyze the forces.
  • #1
Herbid
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Actually it is a simple one, but the point of view of the force acting in pic attach of some people are different.

http://www.imagebam.com/image/ef24231032403754

http://www.imagebam.com/image/01c8e71032403724

The adding weight of hoisting slink blue and the pulley is neglected.

I think the crane with hoisting slink (and pulley in first pic) creating more compression force into hinge A than the one without.

Is my analysis correct?
 

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  • #2
On problems like these I was told to make a free-body diagram.

Simplify the problem by imagining the lifting boom is vertical and draw a free-body diagram or just imagine it for the two diagrams. In the first case you have two forces and in the second case you have three forces.
 
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1. How do you calculate the force compression of a crane with hoisting slink?

In order to calculate the force compression of a crane with hoisting slink, you will need to know the weight of the object being lifted, the length of the hoisting slink, and the angle of the slink relative to the ground. You can then use the formula F = W / sin(theta), where F is the force compression, W is the weight of the object, and theta is the angle of the slink. This will give you the force required to compress the crane's structure.

2. What is the purpose of calculating the force compression of a crane with hoisting slink?

Calculating the force compression of a crane with hoisting slink is important for ensuring the safety and stability of the crane during lifting operations. It allows engineers to determine the maximum weight that the crane can safely lift without risking structural failure or collapse.

3. What factors can affect the force compression of a crane with hoisting slink?

The force compression of a crane with hoisting slink can be affected by a variety of factors, including the weight and size of the object being lifted, the length and angle of the hoisting slink, and the structural integrity of the crane itself. Any changes to these factors can alter the force compression and should be carefully considered before lifting operations.

4. How can the force compression of a crane with hoisting slink be minimized?

The force compression of a crane with hoisting slink can be minimized by using a longer hoisting slink, reducing the weight of the object being lifted, or decreasing the angle of the slink. Additionally, ensuring that the crane is in good condition and properly maintained can also help to minimize force compression during lifting operations.

5. Are there any safety precautions to keep in mind when calculating the force compression of a crane with hoisting slink?

Yes, it is important to always follow safety guidelines and regulations when calculating the force compression of a crane with hoisting slink. This includes properly inspecting all equipment before use, understanding weight limits and load capacities, and having a trained and experienced operator in charge of the lifting operations. It is also important to regularly monitor the force compression during lifting to ensure it stays within safe limits.

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