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Which Kind of Excavator Are the Most Popular?Tags: used kobelco excavators for sale mini diggers for sale uk2013-12-04
Excavators, also called mining machinery (excavating machinery), is a scoop mining above or below the bearing machine of material, and load transport vehicles or discharge to the stocking yard earthmoving machines. Excavator material is mainly after pre loose soil, coal, sediment, and the soil and rocks. From the point of the development of construction machinery in recent years, the development of the used excavator relatively quickly, excavator has become one of the main engineering machinery in engineering construction.
Common excavators in drive way has internal combustion engine driven excavator and two kinds of electric excavator. Excavator industry manufacturers can be roughly divided into four groups. More than 7 into domestic excavator was occupied by foreign brands, domestic brands is still given priority to with small dig and dig, but domestic excavator share is gradually ascending, year-on-year increase of 3.6% in 2012. Domestic excavator is developing rapidly, and the main machine to replace the Korea as a strategic, trinity is to be the leader of the domestic excavator, sales rose to sixth. "Twelfth five-year" the start of the implementation, industry rise of domestic brands, falling hard mask, trinity ChongJi from fifth rose to 2011 in 2010 to the first, market share increased 3.1 percentage points. Relatively fast growth of domestic brands and regeneration mountain machine and yuchai machine, etc.
The personage inside course of study points out that China should single bucket hydraulic excavator hydraulic direction development; Bucket capacity should be controlled in 0.1-15 m&sup 3; For the large and bucket excavator, due to the hydraulic components manufacturing, and assembly accuracy requirement is high, poor maintenance conditions on the construction site, still give priority to with mechanical. Should be working on, using electro-hydraulic control technology, to realize the automation of hydraulic excavator control.
But now the most popular are mostly foreign brands. Earlier excavator production of industrial developed countries, France, Germany, the United States, Russia, Japan and other is 3.5-40 m3 single bucket hydraulic excavator bucket capacity of main producers, beginning in the 1980 s excavator production oversize. Ma Liang companies in the United States, for example, production of bucket capacity of 50-150 m3 stripping excavator, bucket capacity of 132 m3 of walking type shovel excavator; B - E the bucket capacity of 168.2 m3 walking type shovel excavator, detachment of bucket capacity of 107 m3 in excavator, excavator is the biggest in the world.
At present, in the batch production of used Kobelco excavators, compared with the tonnage, should be the most, atlas excavator which sales in Europe and North America, only price case, carter, liebherr are higher than that of more than seventy each. If to stability, durable sex, be sure it is the state machine is good, but their high power is the premise of high fuel consumption. A little better environmental protection or a Japanese excavator. From my point of view, the excavator is the main performance of the work, high fuel consumption is acceptable, comprehensive comparative efficiency ratio, or atlas.
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