自动扶梯梯级链张力监测与控制装置设计

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中图分类号：TH236 文献标志码：A 文章编号：2095-2945（2026）03-0122-04

Abstract：Inrecentyears，escalatorsteparchaccidentshaveoccurredfrequently.Forexample，theescalatorinasubway stationinterfereswiththedeformationofthestepsandthecombplateduetoabnormaltension，exposingtheshortcomingsof traditionaltensionmonitoringmethods.Toadressthisproblem，areal-timemonitoringsystemandfuzzyPIDcontroldevice basedonstraingaugesensorsaredesigned.Thesystemusesafull-bridgestrainsensorarrytocontiuouslymonitorkeystress pointsofthestepchain，andrealizesdatacolectionandprocessng throughhigh-precisionsignalcondioningcircuits，and combinesfuzzyPIDcontrolalgorithmtoestablishanautomatictensionadjustmentmechanism.Experimentalresultsshowthatthe measurement stability of the system under no-load to full-load conditions reaches more than 93.8% .Compared with traditional PID control，the adjustment time is shortened by 42% on average，and the overshoot is reduced by 54% . Through application on subwaystationescalators，thesystemachievesaccuratemonitoringandefectivecontrolofthetensionofthestepchain，which significantly improves the safety of equipment operation.

Keywords：escalator; step chain; tension monitoring; fuzzy PID control; safety control

自动扶梯梯级链张力的精确监测与控制直接关系设备运行安全，梯级链张力过大导致部件加速磨损，张力过小则引起梯级啮合不良，可能造成梯级脱落事故。（剩余5422字）