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Causes and Possible Consequences of Abnormal Wear of Bearings in Mining Car Wheels
Views: 0 Author: Site Editor Publish Time: 2022-09-27 Origin: Site
The bearing adopts ordinary tapered roller bearing. Although the bearing capacity and axial thrust capacity are high, the anti seize property of this bearing is very poor. Once mud and water are immersed in the bearing during use, the bearing pipeline will be blocked, bearing lubrication will be damaged, and the bearing will be damaged quickly. After the inner seal ring of the wheel set is worn, the muddy water enters the bearing, causing large area corrosion of the inner and outer rings of the bearing; When the tramcar travels on the uneven track, it generates vibration, which causes additional impact load and aggravates the bearing wear. The fit between the shaft and the bearing is generally interference fit. Although it is tight, the frequent action of concentrated stress on the inner ring of the bearing leads to the wear of the inner ring of the bearing, which makes the bearing scrapped. In serious cases, the wheels are dragged to death, causing a rollover accident.
At present, there are many kinds of trams for ore transportation in domestic mines, and large and medium-sized mines tend to use bottom dump and bottom side dump trams for transportation. Compared with other types of tramcars, these two types of tramcars can realize continuous loading and unloading
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Shandong China Coal Mining Support Equipment Co., Ltd. was founded in the 1990s with more than 1100 employees. It now has 53 professional companies, 3 Hong Kong companies, 1 British Cayman company and 1 American company. It is a large diversified industrial group integrating intelligent equipment manufacturing, e-commerce, software research and development and intelligent logistics, which is cultivated and supported by the Ministry of industry and information technology, the Ministry of Commerce, the development and Reform Commission, Shandong Province and Jining City.