A hoist frame supports a hoist and enables it to lift heavy loads throughout a building. It can be made of iron or wood and can be disassembled for storage. Some designs require a roller hoist support for side pulling and lowering.
A hoist frame is a series of heavy iron beams that is used to not only support the hoist, but to enable the hoist to be used throughout the building. Suspended from an A-frame, a hoist frame provides the necessary support force to enable the hoist to lift and carry very heavy loads great distances through a manufacturing facility. The hoist frame is commonly aided by the placement of smaller beams that run from the midpoint of the hoist legs to the bottom edge of the hoist cross frame. This provides strength, support and rigidity to the often wide beams that create the hoist structure. Wheels added to the underside of the hoist legs allow the hoist to be rolled around the shop.
The device is used to lift heavy objects. Often these objects are not located under a beam or structure capable of supporting the weight of the object. In this situation, a lift frame can be used to facilitate the safe lifting of the object by placing the frame over the object and attaching a hoist to the frame cross member and then to the object being lifted. By using an A-frame type support at each end of the hoist frame, the lifting capacity of the frame is often limited only by the capacity of the hoist being used.
A makeshift, light lifting frame can be constructed of wood, using small wooden beams for the legs and a wide board for the crossbar. While not as strong as a steel lift frame, the wooden version is often capable of lifting heavy materials into or out of a truck bed. Many frame designs require components to be bolted together rather than welded or nailed, which allows the frame to be easily disassembled and stored away when not in use. In this scenario, the parts are usually numbered to allow for quick and easy reassembly.
Some large lift frame designs require the use of a roller hoist support to allow the hoist to be moved from one side of the frame to the other. This type of design is an advantage when unloading materials as it allows side pulling and lowering of the hoist. This allows the load to be placed next to the truck or trailer it was unloaded from. The typical hoist frame is very tall to allow the hoist to be lifted high above a truck or trailer bed.
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