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Electric hoists lift and lower objects vertically and can move horizontally when attached to hardware. They use an electric motor and can be hardwired or driven by a generator. Hoists can use chain or rope and are rated by weight. Some hoists are designed to move across horizontal space. They are operated with a remote switch and require proper safety measures.
An electric hoist is a device that is used to lift and lower objects in a vertical plane. Hoists can be attached to hardware which will also allow them to move horizontally, greatly expanding their usefulness. A number of equipment manufacturers manufacture electric hoists, along with ancillary equipment, and are available through hardware stores, catalogs, and direct suppliers. When purchasing a hoist, it is important to select a product with the correct weight, to ensure that it does not fail or burn out during use.
Freight lifts have been used by humans for thousands of years to move loads that people are unable to move on their own. Originally, hoists were operated by hand, with hoist or pulley systems. With the development of the engine, it was possible to develop hoists that used an engine for power, greatly expanding their capacity. Electric hoists use an electric motor to operate.
Such hoists may be hardwired directly into an electrical system, connected to electrical cables, or driven by an electrical generator. The power of an electric hoist varies according to the project. A lifting hook is attached to the items that will be lifted with the lift. Chain or rope can be used, with higher class hoists being more likely to lift with chain because they can be sturdier. Chains and ropes are also rated by weight to provide insight into the types of loads they can handle.
A basic electric hoist will only work vertically. Mounting on a crossbeam allows operators to move it across horizontal space as well, as seen in structures such as docks and warehouses where loads need to be lifted and repositioned. Some electric hoists are designed to operate on any floor and can perform tasks such as pulling objects across a floor or power line. These devices are more versatile and may be better suited to some types of work environments.
The operation of an electric hoist is accomplished with a remote switch. The switch can be used to raise, lower and release the linkage. Hoist operators need to be very aware of their surroundings in order to identify potential hazards and prevent accidents. It is also important to ensure that loads are properly secured before being lifted to reduce the risk of injury and property damage. Multiple people can be involved in a crew, securing and checking items on the floor while one operator controls the electric hoist remotely.
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