鞍座加強墊板結(jié)構(gòu)對筒體應(yīng)力影響的研究.pdf

1、天津大學(xué)碩士學(xué)位論文鞍座加強墊板結(jié)構(gòu)對筒體應(yīng)力影響的研究姓名：王正強申請學(xué)位級別：碩士專業(yè)：化工過程機械指導(dǎo)教師：譚蔚20090501ABSTRACTSaddlesupportsaremainlyusedtosupportthehorizontalvessels，tosubjecttheweightofthevesselsandworkingsubstanceinvesselsandtofixthepositionofthehorizo

2、ntalvesselforstabilitySaddlesupportscanbeclassifiedintotwodifferenttype：withthesaddletopplateornotIthastheeffectOndecreasingthepeakstressonthecylindernearsaddlestosetthesaddletopplateHoweverinthepaststudyofthestressofthe

3、cylinderthestructureofthesaddleandcylinderisalwayssimplifiedasawhole，SOthattheresultisnotexactlyandthestudyofthesaddleisjustfocusedonthesaddle’Sangle，widthofthesaddleandthethicknessofthewebplateandribplate，withoutthestud

4、yofthestructuredimensionofsaddletopplateInthispapertheaccuratemodelofthehorizontalvesselisestablishedThestructuredimensionsofthesaddlewerereferredtothestandardofsaddlesupport喝／T47121—2007Underthedifferentwaysofconnection

5、theeffectoftheparametersofsaddletopplatewhichincludedtheextendedangleofsaddletopplateandthethicknessofthesaddletopplateonthestressanddisplacementofthecylinderarestudiedIntheprocessofsimulationthreekindsofmodelsareestabli

6、shedOneistotalweldmodelInthismodel，thereisthehighlylocalpeakstressattheouterdiameterofthecylindernearthesaddleAnotheristotalcontactmodelInthismodel，thereisthehi曲lylocalpeakstressattheinnerdiameterofthecylindernearthesadd

7、leOnthefoundationofthecontrastedconclusionbetweentheabovetwomodels，severallocalweldingmodelswereestablishedFinallythepositionandthedimensionoftheweldpointswhichcalleffectivedecreasethepeakstressonthecylinderwereproposedI

8、naddition，thecontactstressbetweenthesaddletopplateandthecylinder(thetotalcontactmodel)hasbeenstudiedandthesizeanddistributionofthefrictionstressandcontactpressureonthesaddletopplateisobtainedKeywords：Saddletopplate，Saddl