Lifts refer to systems that are installed permanently in buildings to serve for transport of goods such as cars, animal, furniture, household appliances, and equipment. They usually move in a perpendicular direction or they may move at an angle that is not more than 15 degrees from the perpendicular. Cargo lift systems move upwards and downwards.
All lifts have a travel course that comprises three sections, that is, the travel, headroom, and the pit. The headroom is the part of the shaft that is located between the position of the highest stop of the setup and the ceiling of the shaft. This space holds the lift into position well and facilitates the lighting and boarding of passengers. The upper pulleys which power the lift are held into position by this part.
The length the cabin travels is referred to as the length of travel. This is located between the position of the highest and the lowest. The cabin moves along the travel as it carries the cargo. The pit is the lowest potion of the shaft and it is also a representation of the lowest stop in the entire system. It is also made up of pulleys and the mechanism which powers the whole system and those placed at the highest stop.
Every luggage elevator usually have the maximum load it is designed to carry. This load is referred to as the rated load and is indicated in kilograms. It is important to load the cabin up to the rated load and avoid exceeding it. Loading beyond the rated load can cause problems as the system may develop problems. In the worst case scenario, the cords that support and move the cabin may break and cause fatal accidents.
The criteria for classification of lifts vary. Traction and hydraulic lifts are the two major criteria used. Hydraulic lifts have the drive unit with a hydraulic pump, a tank, and an electric motor. The cabin is driven off when the electric motor powers a piston. Pistons may have 1 to 2 as an indirect ratio or 1 to 1 as a direct ratio.
The machine powering a hydraulic system does not need to necessarily be situated adjacent or close to the system. The system can still function well if the machine is located several meters from the shaft. In most instances it is designed to as a free standing cabinet while in some instances as a separate room. On the other hand, the drive can be located inside the pit.
In traction machines, the drive unit is often composed of a friction wheel and an electric motor. The drive operates the cables that move the elevator cabin and a counterweight. These systems use either indirect drive of 4 to 1 or 2 to 1 or a direct drive of 1 to 1 ratio.
Being a system, an elevator that is meant for goods comprises various separate sections. Cabin, shaft, T-guides, counterweight, machine room, drive unit, controller, piston, car frame and many others are some the sections. Every part has a special role to play in the system.
All lifts have a travel course that comprises three sections, that is, the travel, headroom, and the pit. The headroom is the part of the shaft that is located between the position of the highest stop of the setup and the ceiling of the shaft. This space holds the lift into position well and facilitates the lighting and boarding of passengers. The upper pulleys which power the lift are held into position by this part.
The length the cabin travels is referred to as the length of travel. This is located between the position of the highest and the lowest. The cabin moves along the travel as it carries the cargo. The pit is the lowest potion of the shaft and it is also a representation of the lowest stop in the entire system. It is also made up of pulleys and the mechanism which powers the whole system and those placed at the highest stop.
Every luggage elevator usually have the maximum load it is designed to carry. This load is referred to as the rated load and is indicated in kilograms. It is important to load the cabin up to the rated load and avoid exceeding it. Loading beyond the rated load can cause problems as the system may develop problems. In the worst case scenario, the cords that support and move the cabin may break and cause fatal accidents.
The criteria for classification of lifts vary. Traction and hydraulic lifts are the two major criteria used. Hydraulic lifts have the drive unit with a hydraulic pump, a tank, and an electric motor. The cabin is driven off when the electric motor powers a piston. Pistons may have 1 to 2 as an indirect ratio or 1 to 1 as a direct ratio.
The machine powering a hydraulic system does not need to necessarily be situated adjacent or close to the system. The system can still function well if the machine is located several meters from the shaft. In most instances it is designed to as a free standing cabinet while in some instances as a separate room. On the other hand, the drive can be located inside the pit.
In traction machines, the drive unit is often composed of a friction wheel and an electric motor. The drive operates the cables that move the elevator cabin and a counterweight. These systems use either indirect drive of 4 to 1 or 2 to 1 or a direct drive of 1 to 1 ratio.
Being a system, an elevator that is meant for goods comprises various separate sections. Cabin, shaft, T-guides, counterweight, machine room, drive unit, controller, piston, car frame and many others are some the sections. Every part has a special role to play in the system.
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