快速底盤圓形坑槽銑刨車總體設計及性能研究
發(fā)布時間:2018-06-24 04:36
本文選題:快速底盤 + 圓形坑槽; 參考:《長安大學》2014年碩士論文
【摘要】:快速底盤圓形坑槽銑刨車是一種新型的道路養(yǎng)護設備,整車機械化、自動化程度高,操作方便靈活,施工工藝簡單,具有快速移動性,是專門為高速公路圓形坑槽開挖而發(fā)明的專用設備。在修補瀝青路面的局部破損時,獨有的立式銑刨裝置可高效銑削出形狀規(guī)則、邊緣垂直的圓形坑槽,避免人工修整坑槽的邊緣;在銑刨過程中,碎料、粉塵被風機產生的高速負壓氣流吸送到沉降箱內,防止產生揚塵污染;該銑刨車一改傳統(tǒng)銑刨機的專用底盤型式而采用二類汽車底盤,在完成作業(yè)后能快速轉場。圓形坑槽修補具有應力集中小、抗行車載荷和低溫變形的能力強、行車平順性好等優(yōu)點。目前,快速底盤圓形坑槽銑刨車的研究尚處于起步階段,但它在修補高速公路瀝青路面局部破損上的獨特優(yōu)勢使其具有潛在的市場價值,本文進行了快速底盤圓形坑槽銑刨車總體設計及性能研究。 本文綜述了銑刨機的分類方法和工作原理,闡述了國內外銑刨機的發(fā)展歷史及現(xiàn)狀。在道路養(yǎng)護需求和施工流程的調研分析的基礎上,明確快速底盤圓形坑槽銑刨車的功能要求。通過對國內外銑刨機性能特點和整機參數(shù)的總結,確定了快速底盤圓形坑槽銑刨車的整機性能參數(shù),設計出適合高速公路圓形坑槽開挖的整車總體方案。根據(jù)功能將快速底盤圓形坑槽銑刨車整體劃分為十二個子系統(tǒng),并介紹了每個系統(tǒng)的構成、作用和工作原理。對整車的總體布置及整車的動力系統(tǒng)、傳動系統(tǒng)、銑刨碎料回收系統(tǒng)和卸料系統(tǒng)進行了具體設計,指出設計中需要重點解決的問題,對各系統(tǒng)的選型計算給出了比較合理的計算公式或經驗數(shù)據(jù)。研究了快速底盤圓形坑槽銑刨車的相關性能,在某些性能的評估指標上提出了自己的評估計算方法。最后,歸納總結全文內容并指出論文中的不足,,對今后的研究方向進行了展望。 本文的研究工作為快速底盤圓形坑槽銑刨車的設計提供了一種可以借鑒的設計理論和性能評估方法,為以后整車的功能完善和性能優(yōu)化起到了鋪墊作用。
[Abstract]:Rapid chassis circular pit milling planer is a new type of road maintenance equipment, the whole car mechanization, high degree of automation, convenient and flexible operation, simple construction technology, with rapid mobility, It is a special equipment specially invented for highway circular pit excavation. When repairing the local damage of asphalt pavement, the unique vertical milling and planing device can efficiently milling out regular circular potholes with perpendicular edges to avoid manual dressing of the edges of the potholes. The dust is sucked into the settling box by the high speed negative pressure airflow produced by the fan to prevent dust pollution. The milling planer has changed the special chassis type of the traditional milling machine and adopted the second class automobile chassis, which can turn the field quickly after finishing the work. Circular pit repair has the advantages of low stress concentration, strong resistance to driving load and low temperature deformation, and good ride comfort. At present, the research of rapid chassis circular pit milling planer is still in its infancy, but it has the potential market value because of its unique advantage in repairing the local damage of highway asphalt pavement. In this paper, the overall design and performance of the quick chassis circular pit milling planer are studied. This paper summarizes the classification method and working principle of milling planer, and expounds the development history and present situation of milling planer at home and abroad. On the basis of investigation and analysis of road maintenance demand and construction process, the functional requirements of quick chassis circular pit milling planer are clarified. By summing up the characteristics of milling machine at home and abroad and the parameters of the whole machine, the performance parameters of the quick chassis circular pit milling planer are determined, and the overall scheme of the whole car suitable for the excavation of the freeway circular pit is designed. According to the function, the quick chassis circular pit milling planer is divided into twelve subsystems, and the composition, function and working principle of each system are introduced. The general layout of the whole vehicle and the power system, transmission system, milling and planing material recovery system and unloading system of the whole vehicle are designed, and the key problems to be solved in the design are pointed out. A reasonable formula or empirical data is given for the selection calculation of each system. This paper studies the correlation performance of quick chassis circular pit milling planer, and puts forward its own evaluation calculation method on some performance evaluation indexes. Finally, the paper summarizes the content of the paper and points out the shortcomings of the paper, and the future research direction is prospected. The research work in this paper provides a design theory and performance evaluation method that can be used for reference for the design of the quick chassis circular pit milling planer, which can pave the way for the function improvement and performance optimization of the whole car in the future.
【學位授予單位】:長安大學
【學位級別】:碩士
【學位授予年份】:2014
【分類號】:U418.32
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