Dec 15, 2016

SPONSORED: Everything You Wanted To Know About Excavators - Jiji

Today, no construction can do without excavators. Their high-performance, simplicity in exploitation, reliability, quality and large variety of work that they are able to do made these machines highly popular in various fields of national economy.

What kind of work can be done with the help of excavators?
  • Digging foundation pits, canals and trenches;
  • making excavations and mounds;
  • construction of dams;
  • cleaning territories;
  • mine stripping, working in quarries;
  • loading and unloading of bulk building materials in bulk;
  • layout work, etc.

In the sphere of construction their application is also practically unlimited: digging of the soil at different levels and even underwater, working in confined spaces, loading excavated soil into vehicles, dumping soil at a considerable distance from the place of digging, finishing slope and surfaces of trench and pit walls, exact layout of the horizontal surface of the construction site, etc.

Types of excavators
Excavators are divided into types according to different criteria, and each specific machine can be present in several of these types. The excavators can be divided according to different categories.

According to their purpose:
  • Universal;
  • Backhoe loaders. These machines are able to dump the amount of soil measured by weight or volume, so that this portion does not exceed the carrying capacity of trucks that are involved in this soil transportation;
  • Quarry excavators can be for mine stripping and mining;
  • Special excavators: rail, swamp, rescue, demolition excavators, underground, underwater, etc.

According to their mobility:
  • Self-propelled;
  • Semi self-propelled;
  • Limited self-propelled;
  • Full-turn;
  • Part-turn.

According to the type of the chassis:
  • Hinged excavators can be wheeled and tracked, with tractor and automobile chassis;
  • Pneumatic;
  • Track;
  • Rail: railway, harbor cranes, excavators and quarry excavators;
  • Walking excavators;
  • Roller and ski mobile (now obsolete);
  • Floating: bucket, clamshell dredge, ripper and airlift dredge;
  • Underground: mine machines, overloading the mined rock obtained with the help of tunneling shield.

According to the working drive:
  • Mechanical;
  • Hydraulic - the most common;
  • Diesel-electric;
  • Electric.

According to the duty cycle:
  • Continuous;
  • Cyclic action (shovel excavators).

The best brands
Among modern credible manufacturers of excavators we should mention Caterpillar, Doosan, Daewoo, Hitachi, Hyundai, JCB, Komatsu, Liebherr and Volvo.

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    ReplyDelete