The invention provides a pallet fork control device of a side forklift. The device comprises a pallet fork lifting cylinder, a hydraulic pump, a manual hydraulic reversing valve, an oil tank, a palletfork, an air bag, a first manual reversing valve, a flameout cylinder, a second manual reversing valve, a first pneumatic control reversing valve, a second pneumatic control reversing valve, a thirdpneumatic control reversing valve and a fourth pneumatic control reversing valve; an execution port of the first manual reversing valve is communicated with a first air inlet of the first pneumatic control reversing valve, a control port of the first pneumatic control reversing valve and a second air inlet of the second pneumatic control reversing valve respectively; an execution port of the firstpneumatic control reversing valve is communicated with a rodless cavity of the flameout cylinder; and an execution port of the second manual reversing valve is communicated with a second air inlet ofthe first pneumatic control reversing valve, a control port of the second pneumatic control reversing valve and a first air inlet of the second pneumatic control reversing valve respectively. The device can realize that the pallet fork can be automatically lowered to the ground after the flameout in a cab at the front end portion and a cab at the rear end portion.

    一种侧面叉车的货叉控制装置,包括货叉升降油缸、液压泵、手动液压换向阀、油箱、货叉、气包、第一手动换向阀、熄火气缸、第二手动换向阀、第一气控换向阀、第二气控换向阀、第三气控换向阀和第四气控换向阀;第一手动换向阀的执行口分别与第一气控换向阀的第一进气口、第一气控换向阀的控制口和第二气控换向阀的第二进气口连通;第一气控换向阀的执行口与熄火气缸的无杆腔连通;第二手动换向阀的执行口分别与第一气控换向阀的第二进气口、第二气控换向阀的控制口和第二气控换向阀的第一进气口连通。本发明可实现在前端部的驾驶室内和后端部的驾驶室内熄火后均能使货叉自动下降着地。


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    Titel :

    Pallet fork control device of side forklift


    Weitere Titelangaben:

    侧面叉车的货叉控制装置


    Beteiligte:
    LIU JIAN (Autor:in)

    Erscheinungsdatum :

    2020-10-13


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    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 / F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein



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