Spreader Beam Design Example

Below the hook lifting devices such as spreader bars and lifting beams must be designed in accordance with asme bth 1 and are to be manufactured and used in accordance with requirements of asme b30 20 which specifies requirements for marking inspection construction and operation. In this the beam is suspended from a sling connected part way along the beam rather than at the ends. In this article we will explore the design of a basic spreader beam and see what design checks are needed to establish the suitability of a spreader beam for particular lifting operation.

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This example has an i beam down the center and a series of lugs welded on the top for attaching to the crane.

Spreader beam design example.

As some of you may have guessed in this example the broom is the spreader beam. In summary whenever the force must travel along the beam bending stress occurs and that is what we would call a lifting beam. Asme b30 20 bth 1. We would like to show you a description here but the site won t allow us.

Spreader beam design spreheet thenavalarch using a spreader beam for lifting stawi industries lifting beam calculation 514372owg2nj lifting beam design spreader adjule self balancing spreader beam diagram schematic and image. Spreader suspended by a sling often has the advantage over a lifting beam. Spreader beams are universally applied gear which is widely used in various types of lifting operations onshore and offshore. Design of adjustable spreader lifting beam of standard profile heb series geometry of lifting at the each end of the hollow pipe spreader beam solved using the equations of static equillibrium a strength design design for flexural bending stress selecting the section initially based on this.

This spreader beam also has a series of lugs on the bottom to attach to the product. Need a span of 20m 66 but are only lifting 70t we can provide you with a mod 250 70 giving you cone adapters and. The typical approach to a spreader bar design looks like this. Design 1 typical spreader bar design.

It increases the a dimension and the forces in the beam are a combination of bending and. Custom applications have one of our engineers custom design a spreader beam for virtually any lift. The forces acting on the children and the swing in this example are very similar to what occurs in a spreader. Alternatively the combination design previously referred to can be used.

There are a number of ways you can utilise our modular spreader beams for example.