Lifting beams are ideal for situations where overhead room is a concern because it connect to the crane or hoist using a bail attachment. They can also be designed in fixed dimensions or can be engineered to allow for incremental adjustment of the sling angle, and the length of the beam itself, for off-center load adjustments.
Crushing or damage to the load because you can control the sling angles. Spreader beams also help to control the load and when rigged properly, can reduce the chances of: Spreader beams are ideal for lifting very wide or heavy-duty loads. Because of this, spreader beams are highly efficient in their use of material, so they’re typically smaller, lighter, and less expensive to design and manufacture than a lifting beam.īecause they use two lifting points instead of one singular lifting point, the weight of the load is distributed evenly across the beam, which eliminates the stress on a single lifting point. Spreader beams convert lifting loads into compressive forces in the bar and tensile forces in the slings. Two lugs on the bottom (one at each end) connect to a sling or hook which are then connected to the load. This evenly distributes the weight of the load across the two slings, which then connect to a crane, hoist, or other lifting machine. Two lifting lugs on the top of the beam attach to the legs of a chain sling or synthetic sling at a particular angle designed to ensure pure compression. It’s designed to convert lifting loads into pure compressive forces and also spread apart the legs of a sling. Spreader beams convert lifting loads into compressive forces in the beam and tensile forces in the slings.Ī spreader beam is a simple device consisting of a long bar that holds two slings apart. Our goal for this article is to provide a simple and easy-to-understand breakdown of spreader beams and lifting beams based on their design and the advantages and disadvantages of using each device. Spreader beam – Any beam where the load being lifted mainly puts a compressive stress in the beam.Īt Mazzella, we offer a wide selection of below-the-hook lifting devices in common sizes and configurations and we also have a program completely dedicated to custom-engineered lifting products. Lifting beam – Any beam where the load being lifted puts a bending stress in the beam. The author also provides simple definitions of each type of lifting device based solely on the type of force being applied to the beam: This article does a great job of explaining the different forces applied to each type of beam, and how they affect the beam. The main difference between the two types of lifting devices is the types of forces that are applied to the beam. While spreader beams and lifting beams are the most popular types of below-the-hook lifting devices, there is a lot of confusion about the differences between the two in terms of how they’re designed and what they’re used for. This helps to avoid damage to the load, damage to rigging hardware and lifting slings, and helps keep the slings from sliding off of the load during the lift. Both types of devices are used to keep the lifting slings below the device at or near a 90° angle (perpendicular to the horizon). Spreader beams and lifting beams are both two different types of below-the-hook lifting devices used to stabilize and support a load during an overhead lift. lifting beams-do you understand the difference and which you should use for your next overhead lift?
0 kommentar(er)
