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First, the control of the shovel loading angle is the key. When working on hard ground, the bucket should be laid flat and the material should be slowly inserted. When the insertion depth reaches 2/3, the bucket should be adjusted to tilt back 15°-20°. This can avoid power loss caused by excessive excavation and prevent material spillage. When facing loose materials, the tilt angle can be appropriately reduced, and the bucket's own weight can be used to quickly complete the loading. According to actual tests, this method can reduce the operation time by 15%.
Second, the control of the unloading height is a hidden skill. Many operators are accustomed to lifting the bucket to the highest point to unload, which actually increases the load on the hydraulic system. The correct approach is to keep the lower edge of the bucket slightly higher than the top of the pile by 30-50cm according to the height of the unloading point, and at the same time cooperate with the slight recovery action of the forearm to make the material slide evenly, which can not only reduce fuel consumption, but also reduce the wear of the bucket edge.
In addition, the shovel loading strategies for different materials are very different. For wet and sticky soil, it is recommended to apply waste oil to the inside of the bucket before operation to reduce material adhesion; when handling construction waste, it is necessary to check the wear of the bucket wear-resistant plate in advance, and replace the high-strength alloy liner if necessary to extend the service life. A mining project team reduced the average monthly maintenance cost of the bucket by 23% by optimizing these details.
Daily maintenance should not be ignored either. After daily operation, the residual materials in the bucket should be cleaned and the pin connection should be checked for looseness; the bucket hinge point should be filled with grease every week to prevent rust and stagnation. Following these tips can not only improve work efficiency, but also extend the service life of the bucket, so that the equipment is always in the best condition.
These "hidden skills" of bucket operation seem to be fine-tuning of details, but in fact they are precise control of engineering efficiency and equipment life. From the millimeter adjustment of the shovel loading angle, to the perfect discharge height, to the differentiated strategies for different materials, each optimization condenses a deep understanding of mechanical performance and operating rules.
The persistence of daily maintenance makes the value of these skills continue to increase. When standardized operation and detail optimization become a habit, not only can the bucket be more "durable" in heavy-load operations, but each shoveling operation can also be more "efficient" - this is the advancement of construction machinery operation from "knowing how to use" to "using it well", and it is also the key to improving construction efficiency.
West side of National Highway 206, Liuguanzhuang Town, Ju County, Rizhao City, Shandong Province, China