When it comes to lifting or lowering heavy loads from one point to another, freight elevators seem to be made for that job. Also referred to as freight elevators, these devices can never be missed in places where lifting of loads from place to place is needed. Such places include industries, ports, and most high buildings. There are lots of interesting facts about this a cargo elevator that most of us are not aware of.
One can imagine how difficult life would be without these machines around. They are imperative as they make work much easy and faster. They have a long story. They were in use even during the pre-industrial times where they were used only for people. During this time the source of their power was manual or at times animals were used to power them. Technology has made it evolve with time.
The working of these devices can be simple to learn. Avoiding the physics part, its made of a cube of metal that is driven from one place to another using a given power. The powering has been changing with ages. It started with mechanical powering, the electrical means and magnetic power is another energy source that has been tried.
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.
One can imagine how difficult life would be without these machines around. They are imperative as they make work much easy and faster. They have a long story. They were in use even during the pre-industrial times where they were used only for people. During this time the source of their power was manual or at times animals were used to power them. Technology has made it evolve with time.
The working of these devices can be simple to learn. Avoiding the physics part, its made of a cube of metal that is driven from one place to another using a given power. The powering has been changing with ages. It started with mechanical powering, the electrical means and magnetic power is another energy source that has been tried.
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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