Counterweight Lifting Beam

For a beam in balance loaded with weights or other load forces the reactions forces r at the supports equals the load forces f.

Counterweight lifting beam.

Cole july 7 2003 mr. Counterweight moves along beam to balance load gear box and counterweight remote controlled increases efficiency and reduces crane operator risk single line single pick point system beam lengths up to 33. 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. The force balance can be expressed as.

In addition for a beam in balance the algebraic sum. Capacity is marked on the beam. By traversing the counterweight along the length of the beam the target item is smoothly lifted from its location. Pancari dated may 15 2002 dated june 14 2002 which include.

R force from support n lb f. F n r 1 r 2 1. A counterweight lifting beam is commonly used in a construction environment to lift install an item underneath an overhang. A counterweight is a weight that by exerting an opposite force provides balance and stability of a mechanical system.

Also known as spreader beams these beams adjust to stabilize long or unbalanced loads when lifting. Make a shortcut to this calculator on your home screen. Note that we have included copies of our letters to mr. Maxim crane s answer offers their clients tangible savings from an array of advantages.

This design can be adapted to different lift beam configurations and other capacities. 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. Lifting beam ctsh 1211. Wagester february 25 2003 and mr.

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. Therefore it does not require manufactured lifting beams that is lifting beams that are not custom designed to be proof tested and or marked. 11 tonne centre lift 20 tonne twin lift weight. Reach or 12 000 at 33 ft available in single beam and double beam configurations.

Proof tested to 125 15 000 lb and certified. 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. 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. Capacity up to 70 000 lbs.

The basic concept of the counter balance beam is to use variable amounts of counterweight to offset the weight of the targeted lift. Its purpose is to make lifting the load more efficient which saves energy and is less taxing on the lifting machine. Counterweights are often used in traction lifts elevators cranes and funfair rides. F 1 f 2.