帶式輸送機(jī)傳動(dòng)滾筒的設(shè)計(jì) (2)

1、目錄摘要………………………………………………………………………………(Ⅰ)Abstract……………………………………………………………………………(Ⅱ)第一章緒論………………………………………………………………………(01)1.1概述………………………………………………………………………(02)1.2傳動(dòng)滾筒的研究目的和意義……………………………………………(03)1.3國(guó)內(nèi)外研究現(xiàn)狀…………………………………………………………(04

2、)1.4本文研究的主要內(nèi)容……………………………………………………(04)第二章帶式輸送機(jī)傳動(dòng)滾筒的結(jié)構(gòu)……………………………………………(05)2.1結(jié)構(gòu)與種類………………………………………………………………(07)2.2運(yùn)行阻力…………………………………………………………………(10)2.3傳動(dòng)滾筒軸功率…………………………………………………………(10)2.4傳動(dòng)理論…………………………………………………………………(13)2.5

3、傳動(dòng)滾筒的受力分析……………………………………………………(15)第三章傳動(dòng)滾筒的結(jié)構(gòu)設(shè)計(jì)……………………………………………………(16)3.1滾筒失效形式與許用應(yīng)力的確定………………………………………(18)3.2傳動(dòng)滾筒結(jié)構(gòu)設(shè)計(jì)………………………………………………………(30)第四章傳動(dòng)滾筒有限元模型的建立與結(jié)果分析………………………………(31)4.1傳動(dòng)滾筒有限元模型的建立……………………………………………(35)4.2節(jié)點(diǎn)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(jié)果分析…………………………………………………………………(41)結(jié)論與建議………………………………………………………………………(42)參考文獻(xiàn)…………………………………………………………………………(43)致謝設(shè)計(jì)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