Krympress reports:
Cargo -passenger lifts, which are an important element of the infrastructure of modern buildings, have traveled a long path of evolution. Since their occurrence, they satisfy the need for safe and effective transportation of people and goods. Let’s look at the main stages of their development, from ancient devices to modern technological solutions.
Ancient devices
The first primitive elevators appeared in ancient times. In ancient Rome, primitive lifting devices based on ropes and blocks were used to transport heavy materials. They worked manually or using animal forces, which limited their capabilities.
Middle Ages
In the Middle Ages, engineering art took a step forward with the invention of more complex mechanisms. The use of gears and simple mechanisms made it possible to improve the efficiency of the lifts. For example, in monasteries, devices were used to raise building materials to a height during the construction of cathedrals.
Industrial revolution
With the beginning of the industrial revolution in the XVIII-XIX centuries, the active development of elevator technologies began. The appearance of steam machines made it possible to automate the lifting process. In 1852, Elisha Otis introduced the first safe elevator equipped with a safety brake, which prevented the cockpit in the event of a cable break.
Electric elevators
The end of the XIX century was marked by the development of electrical technologies. In 1880, Werner von Siemens developed the first electric elevator, which became the standard for multi -storey buildings. Electric elevators were more reliable and allowed to transport a larger volume of cargo due to increased power.
XX century: automation and safety
The XX century has become an era of automation and increasing the safety of cargo -passenger lifts. Modern management systems made it possible to control the movement of the cabin with high accuracy, and the use of various sensors increased the safety of operation.
For example, the introduction of photocells to determine the presence of obstacles to the closing of doors reduced the risk of injuries among passengers.
Modern technologies
Today’s cargo -passenger elevators are high -tech devices using digital control systems and energy -saving technologies. Some models are equipped with intellectual load management systems and the speed of the cabin, depending on the current workload of the building.
Modern developments also include the use of magnetic suspensions to reduce friction and noise, as well as the introduction of environmentally friendly solutions to reduce the carbon trace of the operation of the lifts.
Conclusion
The history of development Cargo -passenger lifts — This is evidence of how engineering thought was able to convert simple mechanisms into complex high -tech systems. The elevators have become an integral part of the modern city infrastructure, providing comfortable movement through multi -storey buildings for both people and for cargo.
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