简介:摘要:牵引器作为水平井输送工具,被广泛应用于水平井作业中。由于对牵引器水平井作业中电缆的使用方法缺乏了解,经常出现电缆跳丝、阻流管遇卡、钢丝磨损锈蚀等异常,导致电缆寿命偏低的情况,并造成一定的经济损失。因此本文就电缆使用寿命较短问题进行分析,通过结合使用维护方面实际经验,提出延长牵引器作业电缆使用寿命的方法。
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简介:AgriculturalmechanizationinhillsofHimachalPradesh-acasestudy,Agriculturaltractorownershipandoff-seasonutilizationintheKgatlengdistrictofBotswana,Agricultural-and-kinematicanalysisofmountedsystemsforunits“tractor-plow”,AlignmentofSewerageInspectionVideosforTheirEasierIndexing,Ananalysisoftractiondynamicsofwheeledtractorbyoperationonthesoftsoils。
简介:[篇名]2Ddynamicssimulatorforimpactoscillatorsanalysisoftractor-implementsystem,[篇名]Aconceptionofnormalizeduseoftractor-and-machinefleetonthebaseofitstechnicalparameters,[篇名]Amethodforestimationofmotoroilresourceinmotor-and-tractorдBC(internalcombustionengines),[篇名]AnavigationplannerforautomatictractorguidanceusingmachinevisionandDGPS,[篇名]Apredictivetoolforemissionsfromheavy-dutydieselvehicles,[篇名]Astudyontheactivecontroloffour-wheelsteeringvehicles(Part1)-measurementofthecharacteristicsoftheindependentcontrolfortransversedisplacementandattitudeangle,[篇名]Astudyonthebrakingstabilityofarticulatedheavyvehicles,[篇名]Achievablerollstabilityofheavyroadvehicles,[篇名]Activetractorsuspensionsystemsandrequirementstotheiroptimization,[篇名]ActivitiesattheHokkaidoagriculturalmachineryassociation,[篇名]AGCOincreasescommitmenttoEuropeanspecialisttractormarket。