This work deals with malfunctions of career cars. Thanks to the conducted research, it was found that the cost of repair increases with the increase in the service life of the dump truck, and it is determined by the cost of repairs at the beginning of the operation of the dump truck, as well as the rate of increase in maintenance and repair costs as the mileage of the vehicle increases. Practice shows that the wear and tear of heavy dump trucks during operation differs in different quarries and depends both on the extraction of minerals (depth of the pit, bulk density, abrasiveness of rocks, etc.), and on the road and climatic conditions of transport operation. Thus, the failure rate of dump truck parts will vary significantly, which causes different frequency of their maintenance. The more complex the design of the dump truck, the greater the number of rejections per shift. On the other hand, the reliability of the dump truck is determined by the distance of transportation and the size of the average slope of the road transporting the rock mass, in the publication the data for the Omelianivsk quarry were obtained.
Investigation of engine failures of quarry dump trucks
2023
Article (Journal)
Electronic Resource
Unknown
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