帶式輸送機傳動滾筒的設計 (2)

1、目錄摘要………………………………………………………………………………(Ⅰ)Abstract……………………………………………………………………………(Ⅱ)第一章緒論………………………………………………………………………(01)1.1概述………………………………………………………………………(02)1.2傳動滾筒的研究目的和意義……………………………………………(03)1.3國內外研究現狀…………………………………………………………(04

2、)1.4本文研究的主要內容……………………………………………………(04)第二章帶式輸送機傳動滾筒的結構……………………………………………(05)2.1結構與種類………………………………………………………………(07)2.2運行阻力…………………………………………………………………(10)2.3傳動滾筒軸功率…………………………………………………………(10)2.4傳動理論…………………………………………………………………(13)2.5

3、傳動滾筒的受力分析……………………………………………………(15)第三章傳動滾筒的結構設計……………………………………………………(16)3.1滾筒失效形式與許用應力的確定………………………………………(18)3.2傳動滾筒結構設計………………………………………………………(30)第四章傳動滾筒有限元模型的建立與結果分析………………………………(31)4.1傳動滾筒有限元模型的建立……………………………………………(35)4.2節(jié)點耦合

4、與約束方程……………………………………………………(37)4.3載荷和約束………………………………………………………………(38)4.4求解和后處理……………………………………………………………(39)4.5結果分析…………………………………………………………………(41)結論與建議………………………………………………………………………(42)參考文獻…………………………………………………………………………(43)致謝設計圖紙IIAbs

5、tractBeltconveysystemisthemostimptanttransptequipmentwhichcancarrybulkmaterial.BeltconveyPulleyisthekeytransmissionpartinBeltconveysystem.Ithastwofunctionsoneistransferringpoweranotherisalteringtheoperationdirectionofthe

6、belt.ThedesignqualityofBeltconveyPulleyconnectswithsystemssecurityreliabilityofthewholeconvey.Atpresentinourcountrythedesignofthepulleyusuallyadoptstheapproximatefmulahoweverpulleythatbedesignedoutwithsuchmethodcannotmee

7、ttheneedofmanufactureitssecurityreliabilityaredifficulttoguarantee.Whilelackingthesuitablecalculationmethodofstrengthstiffnessaboutthepulleyifweincreasethesafecoefficientwithoutenoughreasonsthepulleybecomebiggerheavier.H

8、oweverthereliabilityofthepulleycan’tbeincreased.Themaincontentincludesthefollowingrespects:Firstlythepaperdiscussesstructuraldesigncalculationofthebeltconveypulley.Therelatedfmulasarecrectedacompletedesigncalculationmeth

9、odareprovided.Secondlyindertoimprovingtheprecisionthemappinggridmethodiscarvedup.Afterdispersetheloadonthepulleysurfaceweaddedthepointsloadonthepulleynode.Thedesignmethodsareveryimptanttothedesignercanshtenthedesigncycle