Counterweight Lifting Beam

F force from load n lb f.

Counterweight lifting beam. Make a shortcut to this calculator on your home screen. We can design and supply a counterweight lifting beam of various lengths and capacities and will design a bespoke system to fit your specific needs. 11 tonne centre lift 20 tonne twin lift weight. Wagester february 25 2003 and mr.

In these applications the expected load multiplied by the distance that load will be spaced from the central support called the tipping point must be equal to the. Maxim crane s answer offers their clients tangible savings from an array of advantages. Reach or 12 000 at 33 ft available in single beam and double beam configurations. R force from support n lb f.

Tandemloc engineering designed and built a load tested gear driven adjustable counter weighted lifting device that allowed the lids that were of different weights and sizes to be removed quickly and safely. Also known as spreader beams these beams adjust to stabilize long or unbalanced loads when lifting. Pancari dated may 15 2002 dated june 14 2002 which include. Powered by a 24v rechargeable battery the libro 250 compact has an electrically adjustable rack and pinion counterweight saddle which can be moved along the machine s rear beam by cable remote control.

The force balance can be expressed as. For a beam in balance loaded with weights or other load forces the reactions forces r at the supports equals the load forces f. Beams with shackles have lifting eyes and shackles that adjust with screw pins. By traversing the counterweight along the length of the beam the target item is smoothly lifted from its location.

Capacity up to 70 000 lbs. Proof tested to 125 15 000 lb and certified. In addition for a beam in balance the algebraic sum. Capacity is marked on the beam.

This design can be adapted to different lift beam configurations and other capacities. The basic concept of the counter balance beam is to use variable amounts of counterweight to offset the weight of the targeted lift. A counterweight lifting beam is commonly used in a construction environment to lift install an item underneath an overhang. Counterbalance beams at the other end of our range the libro 250 compact overhang beam can lift up to 250kg with a 0 8m depth of overhang.

Counterweights are often used in traction lifts elevators cranes and funfair rides. F n r 1 r 2 1. Beams with brackets have adjustable brackets and lifting eye. Its purpose is to make lifting the load more efficient which saves energy and is less taxing on the lifting machine.

Cole july 7 2003 mr. F 1 f 2. Lifting beam ctsh 1211. Therefore it does not require manufactured lifting beams that is lifting beams that are not custom designed to be proof tested and or marked.