Lifting Spreader Beam Calculation

Sparta s approach to optimizing the spreader bar design otherwise known as lifting bar or lifting beam is an iterative process. Lifting beam calculation xls october 26 2018 by arfan leave a comment design and verification of lifting lugs mec ering structural beam deflection and stress formula to lifting beams and spreaders spreader bar lifting device calculations and design moment connection beam column is bs section for is800 xls. Variations in the design of the multi lift spreader bar evolve over a period of time as requirements and technology change and the demand for a more efficient product is desired.

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Lifting spreader beam calculation.

How to design a spreader bar. So we must dismiss this mod. Spreader bar lifting device calculations and design spreader bar lifting device calculations and design. Dynamic factor when the movement of the precast unit is performed by lifting gear dynamic forces that depend on the lifting gear used appear.

Find the load capacity minimum and maximum spread and headroom that fits your application. Lifting calculation method 3. 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. 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.

We check the capacity of a spreader beam sb 170 that supports up to 170 tons and check that it reaches that capacity at 20m but only at 20º. Spreader beams are universally applied gear which is widely used in various types of lifting operations onshore and offshore. High quality spreader beams from grainger help lift uneven loads and keep them level for increased safety. The lifting classes are described in din 15018.

The difference lies in the way the forces are transmitted. Design of weld joint of the eye bracket with the spreader beam for shear strength 50 of the allowable stress is governing. Lifting factor f is the acceleration factor. Choose from modular adjustable and two position spreader beams and fixed and adjustable fiberglass battery lifting beams.

It consists of a body and a set of lugs just like a spreader bar but lifting beams generally have one lug on the top in the center and 2 or more lugs along the bottom. A lifting beam is a below the hook lifting device that performs the same function as a spreader. We verify by the formula of question 3 that for the 20º configuration we require a height of 1 37x that is 27 4 meters of height which exceeds the predetermined height requirement in this example case. When lifting and carrying precast elements the lifting load has to be.

Lifting beam v lifting spreader lifting beams lifting frames and lifting spreaders are a means of providing two or more lifting points from the hook of the lifting machine or crane spaced so as to match the position of the lifting points on the load.