The invention discloses a driving control system associated with the lifting height of a forklift portal frame, which comprises a lifting switch, a forward and backward moving switch and an accelerator which are arranged in a driving cabin, a portal frame height sensor arranged on the portal frame, and a pump controller and a traction controller which are respectively used for controlling a pump motor and a traction motor, the executing mechanism comprises an oil pump, an electromagnetic valve, a lifting and descending oil cylinder, a forward and backward moving oil cylinder, a hydraulic oil tank responsible for oil supply, a battery responsible for power supply, a pump controller and a traction controller, and control characteristic curves driven by a pump motor and a traction motor corresponding to the height value detected by the gantry height sensor are pre-stored in the pump controller and the traction controller. The lifting height of the pallet fork is associated with the lifting speed and the running speed, when the pallet fork is lifted to the corresponding height interval, the lifting speed of the whole truck, the forward and backward movement speed of the portal frame and the running speed can be automatically switched to adapt to height increase, and it is ensured that the high-position stability is improved on the premise that the low-position operation efficiency is not reduced.
本发明公开了一种叉车门架起升高度关联的驱动控制系统,包括安装在驾驶舱内的起升开关、前后移开关、加速器,设置于门架上的门架高度传感器,分别控制泵电机和牵引电机的泵控制器和牵引控制器,执行机构的油泵、电磁阀、起升下降油缸和前后移油缸,负责供油的液压油箱和负责供电的电池,泵控制器和牵引控制器预先存储有门架高度传感器检测的高度值所对应的泵电机和牵引电机驱动的控制特性曲线。本发明将货叉起升高度与起升、行驶速度关联,当货叉起升到对应高度区间时,整车起升速度、门架前后移速度、行驶速度会自动切换,适应高度的增加,确保在不降低低位作业效率的前提下提升高位稳定性。
Driving control system associated with lifting height of forklift gantry
叉车门架起升高度关联的驱动控制系统
2023-11-24
Patent
Electronic Resource
Chinese
IPC: | B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last |
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