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研究生:賴昶旭
研究生(外文):Chang-ShiuLai
論文名稱:以輪軸滾動試驗機探討輪軌潤滑劑之表現
論文名稱(外文):Performance of wheel/rail lubricant with Axle Rolling Machine
指導教授:郭振銘蕭志銘蕭志銘引用關係
指導教授(外文):Chen-Ming KuoJih-Min Shiau
學位類別:碩士
校院名稱:國立成功大學
系所名稱:土木工程學系
學門:工程學門
學類:土木工程學類
論文種類:學術論文
論文出版年:2020
畢業學年度:108
語文別:中文
論文頁數:84
中文關鍵詞:輪軸滾動試驗機旋轉編碼器標稱黏著係數潤滑材料潤滑距離
外文關鍵詞:Axle rolling machineincremental encodernominal adhesion coefficientlubricantlubrication distance
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輪軌接觸黏著行為為軌道工程技術中極為重視的問題,包含軌道磨損、列車牽引制動、振動噪音、打滑及越線等交通事故。軌道的保養便相當重要,而輪軌間的潤滑可減少或防止這些事故的發生,本研究將會以試驗討論各種潤滑材料及輪軌潤滑狀態,除了輪軌潤滑狀態外,TRA在高雄鐵路地下化路段有潤滑劑用量過多導致成本問題,並討論潤滑劑用量影響及水的替代性。
本試驗使用自製的輪軸滾動試驗機結合旋轉編碼器,藉由量測即時電流、電壓及轉速等資料,以量測結果加上資料後處理計算出輪軌間的速度、標稱黏著係數及蠕滑率等資料,並加上各種現地使用的潤滑材料,以參考文獻及規範指南對量測結果進行比較及驗證。最後實際量測應用於輪軌界面的多種潤滑材料評估其標稱黏著係數及潤滑距離結果。
以台鐵軌測潤滑油用量的不同比較,顯示潤滑油用量20克比用量10克的潤滑距離長,上升的幅度約21.4%,其效果有明顯差異。在試驗中發現到水與潤滑材料的作用隨著水量變化,當水量少時,會與潤滑材料混合使潤滑距離增加,反之水量增多,反而會因洗淨潤滑材料使潤滑距離縮短。
The wheel-rail contact adhesion condition can cause various problems, including rail wear, vibration and noise, slipping and overrunning. Lubrication between the wheel and rail can reduce or prevent these accidents. This study will discuss various lubricants and wheel-rail lubrication condition through experiments, as well as the cost problem caused by excessive lubricant consumption in the underground section of the TRA Kaohsiung line, and discuss the influence of lubricant consumption and water substitution.
The axle rolling machine combined with the incremental encoder can obtain the speed between the wheel and the rail, the nominal adhesion coefficient and the creep rate. When the amount of lubricant is different, the lubrication distance is longer when the amount of lubricant is more than that of less, and its effect is significant. Tests have found that water and lubricants change their performance with changes in water volume. When the amount of water is small, it will mix with lubricant to increase the lubrication distance. When the amount of water increases, the lubrication distance will be shortened due to the cleaning of the lubricant.
摘要 I
EXTENDED ABSTRACT II
誌謝 VIII
目錄 IX
圖目錄 XI
表目錄 XV
第一章 緒論 1
1.1 前言 1
1.2 研究動機與目的 2
1.3 文獻回顧 3
1.3.1輪軌接觸理論回顧 3
1.3.2實際潤滑問題 4
1.3.3文獻小節 7
1.4 研究方法與流程 8
第二章 理論實驗及規範指南 10
2.1摩擦黏著行為 10
2.1.1輪軌摩擦黏著學 10
2.1.2輪軌潤滑問題 12
2.2模擬輪軌試驗機台量測 19
2.3規範指南 25
2.3.1 AS 7641:2017 25
2.3.2 DTU 26
2.3.3 GE/RT8040 28
第三章 研究方法 29
3.1實驗量測系統建置與材料介紹 29
3.1.1量測儀器介紹 29
3.1.2量測資料擷取 37
3.1.3量測材料介紹 39
3.2實驗設計介紹 44
3.2.1試驗流程設計 44
3.2.2試驗計算方式 45
第四章 輪軌黏著試驗 49
4.1滾動機台初步試驗 49
4.1.1輪軌黏著試驗狀態分析 49
4.1.2輪軌乾燥乾淨狀態與表面有水狀態討論 54
4.2潤滑狀態試驗 58
4.2.1台鐵 60
4.2.2高鐵 64
4.2.3台北捷運 66
4.3試驗討論 69
第五章 結論與建議 74
5.1結論 74
5.2建議 75
參考文獻 76
附錄A 79
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