All types of loaders are one of the most used and important construction machines, which are classified in the earthmoving group. The word loader in English means carrier. It was in the early decades of the 20th century that the idea of integrating a cup in the front of the tractor, which we now call a bucket or spring, was first proposed and the initial example of a wheeled loader was used in agriculture.
Currently, all kinds of loader models are made in size, power and by famous brands in the world, which determine the use and price of the loader. Among the applications of loaders, we can mention concrete and construction materials, truck loading, creating an embankment and filling around the pipes placed in the canal, underground digging in the building and filling pits and ditches.
In addition, by adding loader spare parts, it is used for snow removal, channel digging, pipe cutting, pipe placement and other construction applications.
Types of loaders are classified based on different features, of which wheel shape is one of the most important.
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Loader types based on wheel model
Loaders are rubber wheel, chain wheel, iron wheel and a combination of all kinds of construction equipment based on the wheel model.
Rubber wheel loader (wheel loader)
Due to the presence of large rubber wheels in this type of construction machinery, they have higher speed and power of movement and are produced in two forms, normal and backbreaking. In the back-breaking model, a chassis connects the rear part of the car to the front by means of a joint. This issue increases its maneuverability and turning radius. Unlike the normal loader, the steering system is done using wheel and steering wheel movement, the back-breaking rubber wheel loader uses hydraulic jacks, which makes it easy to use all kinds of loaders.
Advantages:
- Ease of driving, increased speed and mobility are the most important advantages of a rubber wheel loader.
- Due to the shape of the wheel, this type of loader can be used in hard terrain and can easily move in it.
- The lower weight of this loader makes it a suitable option for situations with weight restrictions. An example of the use of various types of loaders with rubber wheels is their use on the roof of a building.
- Unlike loaders with chain wheels, moving construction equipment with rubber wheels does not require a carrier such as a trailer or floor.
- Due to the reasonable price of the loader, maintenance costs and the supply of loader parts, each cubic meter of excavation with rubber wheel models will cost less than other types of loaders.
Disadvantages:
- Working in muddy fields is difficult for these construction machines, and in this condition, it is necessary to deflate the tires.
- It is not possible to cross stony obstacles with a height greater than half the wheel diameter for a rubber wheel loader, and it is better to use a chain wheel loader instead.
- There is a possibility of damage to the wheels due to collision with obstacles and sharp stones in all types of loaders with rubber wheels. For this reason, in these cases, you should definitely use protective chains for them.
- Usually, the traction power of a rubber wheel loader is less than a chain wheel loader of the same weight, which reduces the useful power of the engine.
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Tracked/crawler loader
The important feature of the chain wheel loader compared to its rubber wheel type is its high traction power and applying less pressure to the ground, which makes this device usable in situations where less friction is needed.
Advantages:
- It works easily in rocky areas and all places that are difficult to access. For this reason, all types of chain wheel loaders are also called sweeper loaders.
- The high ratio of wheel surface to weight reduces the pressure applied by the loader. Therefore, one of the applications of various types of chain wheel loaders is the use in mud and slippery surfaces.
- There is no wastage of power and high efficiency of the engine in this type of construction machinery, which is due to the optimal and appropriate power distribution system.
- Unlike the rubber wheel loader, which tolerates a maximum lateral slope of 15% and climbs from surfaces with a maximum slope of 30%, the chain wheel loader can move on a lateral slope of 35% and climb from a slope of 60%. also go up.
Disadvantages:
- The movement speed of the chain loader is lower than that of the rubber wheel, and it will take more time to carry the load.
- The more difficult guidance and lower accuracy of this type of construction equipment challenges the application of all kinds of chain wheel loaders.
- Hezi chain wheel No, it has higher maintenance than the cost of spare parts for wheel loaders. That too in uneven situations, which increases the possibility of wear, damage and tearing of the chain.
- Due to the low movement speed and damage to the asphalt, it is not possible to transport all types of loaders with a chain wheel alone, and it must be done with the use of an insole or a back breaker.
- The amount of power and fuel consumption during the rotation and operation of these construction machines is higher than the rubber wheel type.
Iron wheel loader
If an iron wheel is used instead of a rubber wheel in the construction of a loader, we will have an iron wheel loader. The use of loaders with this wheel is limited and less than with chains and rubber wheels.
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Combined loader
The combined loader is produced by combining two rubber wheels with two chain wheels. The use of various types of combined loaders is less and less popular.
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Backhoe Loader
One of the types of loaders, which is made from a combination of a loader in the front and an excavator in the back, is called a backhoe loader, which is a versatile construction equipment. The working radius of the arms and the angle it makes with the ground determine the power of the backhoe loader. This combination loader is a suitable option for light operations. All the features in the loader and excavator are also mentioned for the backhoe loader.
Small volume operations, light excavations and truck filling, digging small and medium channels for piping, non-heavy piling, stripping and removing obstacles from the use of loaders with excavators is There are different types of backhoe loaders, among which we can mention sliding, rotating and fixed types.
What was said was a general classification of loader types. Currently, according to the use of different types of loaders and other features such as size, engine type, unloading type, manufacturer’s brand, etc., different models of loaders are produced.
One of the parts of the loader is the cup, whose model and capacity are one of the main characteristics in determining the use of all types of loaders. There are standard, multi-purpose, side dump, log grab and stone grab models, and these loader spare parts will be different according to the project and type of loader.
Currently, various brands of loaders and other construction equipment are operating all over the world. In our country, Photon loaders, Komatsu loaders, Volvo loaders, Hyundai loaders, and Caterpillar loaders are among the most widely used loaders, and their usage and production prices are also different.
Volvo loader
One of the types of loaders used in our country is the Volvo loader, the L120 model has been one of the most popular types of loaders since 1991. Iran is one of the three countries assembling L120 model loader parts from Volvo brand.
Caterpillar loader
The 988F model, which has been produced since 1998, is another famous type of loader in the country, which is mostly used in mines.
Komatsu loader
WA600-3 and WA800 loaders are among the best loaders available in the Iranian market, the first Komatsu loader model is mostly used in mines and the second model is used in construction activities.
In addition, Foton loader, which is a type of Chinese loader, and Hyundai loader, which is a Korean brand, have been able to open a good position among the types of loaders in the country.
One of the most important points in choosing and providing loader spare parts and other construction equipment is to pay attention to its quality and originality. Backed by years of experience in the direct import of construction machinery from the world’s top brands, the Spadan machine desert collection is ready to advise and serve you.
The biggest loader in the world
Komatsu L-2350 loader, the largest rubber wheel loader in the world is n It has a massive loading capacity of 72.5 tons and is 6.7 meters long. Its 16-cylinder Detroit diesel engine has a power of up to 2300 horsepower.
Its standard bucket has a capacity of 40.5 cubic meters. This loader has an operating weight of 272 tons and is designed to load with a maximum capacity of 400 tons during surface mining.
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- What is the use of loader?
All types of loaders can be used in earthmoving operations, including carrying construction materials, loading trucks, creating embankments and filling pits.
- What is the most important advantage of a rubber wheel loader compared to a chain wheel?
Less weight, higher speed and accuracy, lower cost and ease of use are the advantages of the rubber wheel loader.
- Which feature in the chain wheel loader makes it superior to the rubber wheel?
Activity in inaccessible substrates such as stony, muddy, high slope and high traction ability are the characteristics of chain wheel loader.
- What is the difference between loader and backhoe loader?
A backhoe loader is a type of loader that is equipped with an excavator in addition to a bucket and is suitable for light construction operations.
- What are the best loader brands available in Iran?
Komatsu, Caterpillar, Volvo, Foton and Hyundai loader models are among the highest quality loader brands in Iran.
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Kavir Machine Spadana Company
Spadana Desert Machine Company has been registered in the province of Isfahan for the purpose of importing road construction and mining machinery, also the only exclusive representative of Hyundai Ordaim hydraulic hammer is available in the whole country. The management of the company has expanded its activity in the field of import and sale of road construction and mining machinery, related parts and equipment, relying on its decades of experience in the field of mining contracting and road construction and construction projects. Therefore, realizing the lack of quality machines in the country and despite problems such as sanctions and customs issues, he started directly importing machines from reputable global factories, and in this regard, he signed a cooperation agreement with Japan’s Sumitomo Company in 2002. He pointed out that the result was the import of the first series of zero Komatsu machines to Iran. It is hoped that by trusting in the Almighty God and with the aim of gaining the satisfaction of our dear customers, we can take our firm steps more and more for the prosperity of dear Iran.
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