关键词: 装载机, 铲斗, 切削刃形状, 铲装阻力, 铲装性能

Abstract: The shovel performance of loader bucket was an important factor in determining the traction performance and overall parameters of the loader,and the bucket shape size has a significant impact on the shovel performance.To design a reasonable bucket shape to reduce the shovel resistance and improve the shovel performance,the more accurate and reproducible working resistance was obtained from the perspective of bulk mechanics based on the discrete element method,and the influence of cutting edge on the performance of shovel loading was revealed on this basis.A new method for cutting edge and parameter design of the bucket under the premise of satisfying the design of bucket bucket capacity was proposed.The existing shovel performance evaluation and analysis of several cutting edges were analyzed,which had provided guidance and reference methods for the selection of cutting edges for different material environments.The proposed method was used to design the shape of cutting edge of the bucket,which had provided new ideas for the influence of bucket parameters and design research,and had certain guiding significance for the enterprise optimization design and production practice.

Key words: loader, bucket, cutting edge shape, shovel resistance, shovel performance