If we want to remove cranes from the field of industrial construction, surely there will not be much left. Most construction processes depend on cranes. This dependence is so great that craftsmen and manufacturers have designed a special type of crane for each type of situation. The chain block is also a type of crane, which is called a manual crane. In this article, we are going to talk about block chains and different angles of this equipment, so stay with us.
Chain Block has special applications in areas such as building construction, tunnel construction, bridge construction, road construction, railway track construction, firefighting, and areas such as rescue and rescue. This small but practical equipment is also used in industries such as shipbuilding, marine industries and environmental protection. The main use of this equipment is to move heavy loads.
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Although the chain of blocks have various load carrying capacities. This capacity may start from one ton and continue up to tens of tons. Using the chain block is very easy and simple, which has fueled its popularity.
Getting to know the physical structure of block chains
Block chains have a simple physical structure. These practical equipments, which are also known as manual cranes, have chains with a hook attached to them, and objects can be moved with the help of the hook. Another hook can be seen in the chain block structure, which is fixed at the connection point. All kinds of chain blocks can be connected to the ceiling by rail and move them in different directions.
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The piece that is involved with the rail is called a trolley, which has two types of chain and simple. Block chains up to a capacity of two tons usually have one chain, and in capacities of more than two tons, they are made double. Also, containers of more than 8 tons have more chains. Therefore, you may come across various block chains that have different number of chains. The number of chains is basically directly related to the capacity of the block chain.
Block chains or manual cranes are usually installed at heights of three meters and six meters, however, in cases where there is a need to install block chains at a higher height, this height can be increased up to twelve meters. Chain blocks are usually made of steel and are very safe. The use of stainless steel in the construction of block chains has made this equipment to show good resistance even in the worst weather conditions and high humidity and to minimize the rate of accidents.
Types of block chains
The chain block has two different types, mechanical and electrical, in terms of performance. Mechanical and electrical block chains each have their own characteristics. For example, mechanical block chains have a lower price and do not necessarily require electricity to use them. Therefore, they can be used in any kind of situation. Not only is the cost of buying a mechanical chain block more economical, but the cost of its maintenance and repairs is also more affordable.
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However, the electric chain block has more maneuverability and shows better speed and efficiency because it basically works with electric power. On the other hand, the weight of the load being carried can be seen on the electric chain block screen. Therefore, you will be relieved that the carrying weight does not exceed the safety limit of the imaginary block chain. It will be much easier to follow the safety precautions using the electric block chain.
Using chain blocks and following safety precautions
Although the chain block looks like a small piece of equipment, its safety cannot be ignored. Neglecting the safety of this seemingly simple and small equipment can have unpleasant consequences. It is very important that before using the block chain, you have complete information about the maximum carrying capacity of the chain block and do not use it to carry prohibited loads.
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Otherwise, the chain block chain may break and your cargo may fall and be damaged when the hook falls. This issue can lead to injuries. When using the block chain, no person should be passing under this equipment. Even if you are sure of meeting the capacity of the chain block and safety tips, you should still keep engineers and workers away from the environment.
Chain of blocks
Sometimes operators use two blockchains at the same time to carry heavier loads, which will lead to nothing but a disaster. Therefore, you should never use two block chains at the same time.
It is recommended to check the health of the chain block before using it. Separation of chains, broken chains, rusting of chains, signs of corrosion and rotting or cutting of chains can indicate the poor quality of the chain. Therefore, you should never use a damaged chain to carry a load.
Conclusion about the block chain
Chain block is a type of manual crane that is used to carry heavy loads from 1 ton to 20 tons capacity. Of course, the capacity of the chain block may be less or more than this value. The alloy material of the chain block, the number of chains, the manufacturing standard and the mechanical or electrical nature of the chain block are all effective in its capacity. The most famous chain block brand in Iran is the Vital brand made in Japan.
When buying block chains, pay attention to having a valid serial number, manufacturing standards, quality of the body and chains, bearing quality, smooth and perfect movement, and its capacity. It is very important that for The use of chain block in projects should be done by trained operators so that safety points are observed.
