伸缩臂叉车行走系统解决方案成功应用案例

  •  1. 伸缩臂叉车项目介绍

    历时2年,在徐工和Danfoss的共同努力下,Danfoss公司的自动行走控制技术 (AC 控制) 在徐工新一代伸缩臂叉车上成功实现小批量应用。

     

     

  •  2.伸缩臂叉车行走系统解决方案简介

    Danfoss公司的AC控制技术是其伸缩臂叉车行走系统解决方案的核心。该技术不但融合了Danfoss公司在静液压行走领域数十年的宝贵经验,还能使车辆行走系统达到SIL 2的安全等级。

    2.1 行走系统原理示意图

    2.2 行走系统控制逻辑

    油门踏板控制发动机转速,AC控制系统采集发动机来控制泵和马达的排量,从而实现对车速的控制。

    2.3 行走系统动力传输路线

    发动机 -> H1P泵-> Danfoss 45° 旋转组件-> 变速箱 ->给前后驱动桥

  • 3.伸缩臂叉车系统解决方案特点与优势

    • 集成丹佛斯AC控制的H1P闭式泵结合内置丹佛斯45°旋转组件的ICVD无级变速箱使得徐工新一代的伸缩臂叉车实现了真正意义上的无级变速。
    • 操作者无需踩离合,手动换档,极大地降低了操作强度,提高了操作舒适性。
    • 系统的快速响应特性不但提高了车辆作业效率,还使车辆在田间具有较好的防打滑性能。
    • 系统内置的8条速度曲线可以满足不同的用户驾驶需求。通过配置这8条速度曲线,不但能实现车辆的快速响应,还能确保车辆拥有平稳的起动加/减速特性。系统兼具操控性和驾驶舒适性。 
    • 系统内置的温度补偿功能不仅能在高温时保护液压系统和元件,还能在车辆低温起动时保护发动机。
    • 系统内置的防超速保护模块,不但可以保护泵、马达,还能保护发动机。 
    • 集成的Inch(寸进)功能在车辆制动的时,可以平稳地切断发动机动力输出,保护液压系统和元件,减少了制动器磨损,极大地降低了车辆后期的维护成本。
    • 系统内置的ECO模式,在车辆长距离转场的工况下,最高能为用户节省26%的燃油消耗。
    • 丹佛斯 45°旋转组件技术能使车辆同时拥有高牵引力和高车速(40Km/h)的特性。
    • AC系统的控制器与泵集成在一起,系统内部集成了多种控制功能供客户选择。因此,客户无需考虑控制器的安装和各种控制程序的编写。其高度集成的特性,使客户产品的生产和安装更简单及快捷化了。

     

    4. 农场作业拍摄

    伸缩臂叉车在苏北农场作业图

     

  • 伸缩臂叉车行走系统解决方案成功应用案例

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