Freight elevators are also known as cargo elevators. Just as the name suggests, they are used to lift loads to higher heights. They are common in most high buildings and other places that need the lifting of heavy loads from one point to another more top area. Many seem to know only the function of these important cargo elevator, but there is more to it.
It is evident that life would be a struggle if not for these gadgets. They have helped in making work enjoyable as it is done with little effort and no much time wasted. The first model came into use before the industrial era where it was used to carry people. Power was generated from people or animals. With years, technological milestones have affected their outlook and working.
Understanding these devices in the lay mans language is that they are large boxes made of metal driven by some energy from place to place. There is more than one source of power used in making them work. They range electrical power, mechanical and magnetic forces which are not that common to many.
With the role they play, they have to be designed in such a manner that they can carry bulky goods. This is the reason as to why they are bigger in size hen compared to passenger elevators. Apart from this, they have enormous load sustaining ability. They can carry between 2,300 to 4,500 kg. With this weight, they can still go about 250 feet high.
It is a fact to mention that these kinds of elevators will need much more power than the ones used for carrying a passenger. There are three main hoist mechanisms of powering that are used these days. We have the traction elevator. It is the mostly used for light loads and passengers. It has DC or AC motor of its own which rotates the hoist ropes of the elevator. It is faster than other types of elevators.
There is the hydraulic system. This is usually preferred for heavy goods. In buildings, it can go up to the 8th floor. Its speed is very low compared to the traction system. Lastly, there is the climbing elevator that has its application in construction works. It has its engine driven electrical or through combustion of fuel which powers the machine and eases the task.
The industry has been busy trying to make the traction elevator mechanism suitable for the carrying of heavy loads. Compared to the hydraulic device, the traction elevator has a very higher efficiency as far as power is concerned. They are also able to go much higher elevations than the hydraulic ones. Aside from that, they really are very faster than hydraulic mechanism. It can also be easily automated.
Just like any other machine, there some challenges facing these devices. They are very costly to put them up and maintain them in good condition. There has not been any breakthrough in making the motor system separated from the hoist. There has been no code of installation that is worldwide accepted. A fault in the designing may lead to noise during its operation.
It is evident that life would be a struggle if not for these gadgets. They have helped in making work enjoyable as it is done with little effort and no much time wasted. The first model came into use before the industrial era where it was used to carry people. Power was generated from people or animals. With years, technological milestones have affected their outlook and working.
Understanding these devices in the lay mans language is that they are large boxes made of metal driven by some energy from place to place. There is more than one source of power used in making them work. They range electrical power, mechanical and magnetic forces which are not that common to many.
With the role they play, they have to be designed in such a manner that they can carry bulky goods. This is the reason as to why they are bigger in size hen compared to passenger elevators. Apart from this, they have enormous load sustaining ability. They can carry between 2,300 to 4,500 kg. With this weight, they can still go about 250 feet high.
It is a fact to mention that these kinds of elevators will need much more power than the ones used for carrying a passenger. There are three main hoist mechanisms of powering that are used these days. We have the traction elevator. It is the mostly used for light loads and passengers. It has DC or AC motor of its own which rotates the hoist ropes of the elevator. It is faster than other types of elevators.
There is the hydraulic system. This is usually preferred for heavy goods. In buildings, it can go up to the 8th floor. Its speed is very low compared to the traction system. Lastly, there is the climbing elevator that has its application in construction works. It has its engine driven electrical or through combustion of fuel which powers the machine and eases the task.
The industry has been busy trying to make the traction elevator mechanism suitable for the carrying of heavy loads. Compared to the hydraulic device, the traction elevator has a very higher efficiency as far as power is concerned. They are also able to go much higher elevations than the hydraulic ones. Aside from that, they really are very faster than hydraulic mechanism. It can also be easily automated.
Just like any other machine, there some challenges facing these devices. They are very costly to put them up and maintain them in good condition. There has not been any breakthrough in making the motor system separated from the hoist. There has been no code of installation that is worldwide accepted. A fault in the designing may lead to noise during its operation.
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