2019-01-19
The environment has different requirements for excavator equipment. Excavators working in mainland China generally require a low working environment, especially a mild temperature environment. There are two types of working environments for equipment: the first type is easy to work without mechanical pressure, which generally results in better machine conditions; the second type is a high-pressure working mode that requires heavy work such as breaking hammers, which can cause certain damage to the equipment. If it is placed in Xizang or Xinjiang and other regions, the general excavator equipment can not even be used normally, and the performance of frequent failures in use is seriously insufficient to basically meet the operation requirements. The key is to conduct a market research and screening of the machinery market before purchasing. Is the excavator suitable for machinery to meet daily needs? Necessary homework cannot be neglected.
Mr. Zhang from Xinjiang has repeatedly emphasized in the selection of equipment that the equipment used for construction in Xinjiang has experienced engine failures and insufficient fuel supply, especially in low winter temperatures where starting the equipment has become a headache. Thin air also means that insufficient oxygen content prevents the engine from inhaling sufficient oxygen and completely burning diesel to provide stable power. Under different working environments and the same fuel consumption standards in mainland China, the throttle needs to be increasedIt takes 2-3 gears to achieve the average level of driving in mainland China, but the fuel consumption is higher than the standard of the same level.
Another serious problem caused by thin air is pressure relief and oil leakage. Different pressure pipelines, especially hydraulic oil, cannot withstand the increase in internal pressure, which is in line with common occurrence“Explosion tube”And the oil leakage at the connection of large components is closely related to the environment, coupled with the frequent high and low temperature cycles caused by the temperature difference between day and night, which can also lead to seal leakage, interface bursting, and other problems of seal aging.
Mr. Zhang has a Kobelco in communicationThe new 350 excavator has repeatedly encountered power shortage and oil circuit blockage problems while working in Xinjiang. When the problem occurred during operation, it was immediately pulled back to Chengdu for testing. Surprisingly, the equipment was working normally in mainland China, and the power and oil circuit problems were repaired without any malfunctions.
Electronic injection excavator andDirect injection excavatorDifferent working styles also have different situations in Xizang, Xinjiang and other places. If you need to buy EFI and have to choose new equipment to work in Xizang and Xinjiang, there will be no problem with the direct injection engine? Of course, the old excavators are still unable to withstand harsh environments due to issues such as wear and tear. CAT brand is capable of handling harsh environments such as thin air and temperature differences in large and medium-sized equipment in ChinaMore than 90% of the construction work is done. The current E-type electronic fuel injection equipment has excellent performance and mature technology, which can be considered as a key factor. The prerequisite is to consider the oil quality issue in advance! Using cheap and inferior oil products has no benefits other than accelerating wear and tear.
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