一种大负载液压油缸同步升降控制方式

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中图分类号：U469.2 收稿日期：2025-12-10 DOI：10.19999/j.cnki.1004-0226.2026.02.010

A Synchronous Lifting Control Method for High-Load Hydraulic Cylinders

Li Yongjun Xu Kun Lv Fulin Zhang Bochao Sinotruk Qingdao Heavy Industry Co.，Ltd.，Qingdao 266111，China

Abstract：Researchisconductedonthesynchronouscontrolmethodforhigh-loadhydrauliccylindersinthespecializedvehicleindustry.Thecontrolcircuitofthehydrauliccylinderemploysanelectro-hydrauliccontrolmethodcombiningelectromagneticdirectional valves，bidirectioaltrolele，aceessplacemetsesorsndotrolesablnggpreionot ingcontrolofmultiplehig-loadhydrauliccylinders.Tissynchronouscontrolmethodforhydrauliccylinders，hichislowinimple mentation cost and high in control accuracy，serves as areliable solution in the fieldof specialized equipment.

Keywords：Heavy load;Hydraulic cylinder;Displacement sensor;Synchronous control

1前言

目前，单纯地通过液压流量控制无法满足液压油缸同步位置精度控制的要求，尤其是无法满足大吨位货物装卸飞机的特种装备需求，因此本方案主要为满足大吨位货物装卸飞机的特种装备需求而制定。（剩余3235字）