Electric hoist is one of the important lifting equipment in industrial production and manufacturing. With the development of industry and economy, the industry is becoming more and more subdivided. For industries with flammable and explosive characteristics, ordinary electric hoist cannot meet the requirements of working conditions. Therefore, the explosion-proof electric hoist came into being to solve the problem of material handling under these special working conditions.
Explosion-proof electric hoist is a kind of explosion-proof lifting equipment, which is upgraded from ordinary electric hoist. Its explosion-proof form belongs to the explosion-proof type, and it uses exposed explosion-proof parts. These parts are made of non-sparking materials, so it has a certain degree of explosion-proof. Electric hoist is a small lifting equipment, its volume and weight are smaller than other lifting equipment. Although it is a small lifting equipment, its lifting effect is very good, and the lifting efficiency is also good.
As an explosion-proof equipment, in addition to the explosion-proof parts mentioned above, the electrical components it uses are also self-contained explosion-proof equipment, such as control boxes, control buttons, stoppers, and so on. And it also uses a soft-wrapped power introducer. Explosion-proof measures are also adopted on the mechanical parts of the entire hoist, which is to prevent sparks caused by friction or impact when the explosion-proof hoist is in operation. Although these explosion-proof measures have been taken, when using this heavy equipment, it is necessary to ensure that its surface temperature does not exceed 110 degrees Celsius during operation.
Different explosion-proof electric hoists have different explosion-proof grades. According to the protection grade, they can be divided into ⅡA, ⅡB, and ⅡC. Different grades are used in different industries and regions. Generally, the more dangerous the place, the higher the grade used, and the higher the grade, the better the natural protection performance.
At present, this kind of electric hoist is widely used in petroleum, petrochemical, oil depot, chemical, electric power, mining, railway and electronics industries. You can find these industries have a common feature that is flammable and explosive, which is relatively dangerous. However, explosion-proof electric hoist can better ensure the safety of property and personnel in dangerous environments, and is an indispensable good equipment in mechanical manufacturing and maintenance.
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