輪軌式提梁機大車支撐機構液壓系統(tǒng)設計.pdf

1、西南交通大學碩士學位論文輪軌式提梁機大車支撐機構液壓系統(tǒng)設計姓名：岳麗敏申請學位級別：碩士專業(yè)：機械工程指導教師：許明恒20091101西南交通大學工程碩士研究生學位論文第1I頁AbstractAccordingtailwaymedium—to—long—rangedevelopmentprogram，passengerlineshavebeenbuiltonalargescaleinourcountryDuringtrackingen

2、gineers，railroadbridgeerectionswhichareaskedtobedonewithhighstandardareconstructeddifficultly，whichsurelylcadtodevelopmentofrelativetechnologiesBeamgantrycrane，beamtravelerandbridgelayerarekeyequipmentswhichareinserviceo

3、fconcretebeammanufacturinganderectinginhigh—speedrailwayconstructionAmongthese，wheel—railbeamgantrycraneisaspecialequipmentwhichisusedtolift，transfer，andloadwholesection，dualtrackboxbeamstobeamtravelearsinprecastingyardI

4、tcanalsoassistininstallationofbridgeerectionsandbeamtravelcarsandhoistingofframeworkofsteelreinforcementandmodelsinprecastingyardThispapertookHainanDonghuanrailwayconstructionasapplicationbackgroundFirst，overallstructure

5、ofthewheel—railbeamgantrycraneconsistingofmechanicalstructure，hydraulicsystemandelectriccontrolsystemwasintroducedSecond，workingprinciple，applicationsituationanddevelopmenttrendofhydraulicdrivesystemwereintroducedThird，d

6、esignprocessofhydraulicsystemofcarriersupportingmechanismofbeamgantrycranewasaddressedInaddition，theoperation，maintenance，failurediagnosisandrecoveryofthehydraulicsystemwereintroducedindetailThemainresearchcontentofthisp

7、aperisthatdesigninghydraulicsystemaccordingtoworkingrequirementofcarriersupportingmechanismofwheelrailbeamgantrycraneFirst，accordingtoworkingprincipleofhydraulicsystem，parametersweredeterminedinitiallybyworkconditionanal