
HOISTS AND TROLLEYS
What is a Hoist?
A hoist is a mechanical device used to lift and move heavy loads with minimal effort. It is commonly used in the construction, handling, and logistics industries. The hoist operates by using a system of pulleys and cables or chains to multiply the applied force, allowing much heavier objects to be lifted than would be possible by hand.
How does a hoist work?
Here are the main components of a hoist:
- Hoist body: The main structure that houses the internal mechanisms.
- Pulleys: Wheels with grooves through which the cables or chains pass.
- Cables or chains: Flexible elements that support the load and transmit the force.
- Lifting hook: Device at the end of the cable or chain to attach the load.
- Lever or motor: Means by which the user applies the force to lift the load.
What types of hoists are available?
There are several types of hoists, each suited to specific needs:
- Manual hoist: Operates using a lever or a hand-pulled chain.
- Electric hoist: Uses an electric motor to lift loads, ideal for heavy loads.
- Pneumatic hoist: Uses compressed air, often used in environments where electricity can be hazardous.
- Hydraulic hoist: Uses a hydraulic system to lift loads, offering great lifting power.
Why use a hoist?
Hoists offer several advantages:
- Reduction of physical effort required to lift heavy loads.
- Reduction of the risk of injuries related to manual lifting.
- Improvement of productivity in lifting and handling operations.
- Ability to lift very heavy loads that would otherwise be impossible to handle manually.