The invention provides a fork positioner capable of achieving a synchronous pitch adjustment function. The fork positioner comprises a fork frame body, a left fork and a right fork, wherein the right fork is in rolling connection with the fork frame body through a right bracket, and the left fork is in rolling connection with the fork frame body through a left bracket; two pitch controllable oil cylinders are fixedly arranged at the two side ends of the fork frame body respectively; the piston end of the right pitch controllable oil cylinder is connected with the left bracket; the piston end of the left pitch controllable oil cylinder is connected with the right bracket; the piston end of the right pitch controllable oil cylinder and the piston end of the left pitch controllable oil cylinder are connected in series through an oil pipe and then are connected with one end of a four-piece valve; the other end of the four-piece valve is connected with the other end of the right pitch controllable oil cylinder and the other end of the left pitch controllable oil cylinder through a flow distributing and collecting valve; two outlets of the flow distributing and collecting valve are connected with the two ends of a three-piece valve respectively. A three-piece valve oil path is connected with the two oil cylinders in series in the lateral movement process, the four-piece valve is connected with the two oil cylinders in parallel when the pitch is adjusted, synchronous pitch adjustment of the forks is ensured, and friction is reduced, so that the fork movement resistance is small, operation is flexible and synchronism of the two forks is ensured.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Fork positioner capable of achieving synchronous pitch adjustment function


    Beteiligte:
    WANG MAOBING (Autor:in) / ZHONG JIPING (Autor:in) / ZHOU QIQI (Autor:in) / WANG SIRUI (Autor:in) / ZHANG ZHENG (Autor:in)

    Erscheinungsdatum :

    2015-10-21


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    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



    FORK POSITIONER WITH GUIDED FORK HOLDER

    HAMLIK JIM D / HAMLIK JOEL D | Europäisches Patentamt | 2016

    Freier Zugriff

    Fork positioner with guided fork holder

    HAMLIK JIM D / HAMLIK JOEL D | Europäisches Patentamt | 2019

    Freier Zugriff

    FORK POSITIONER WITH GUIDED FORK HOLDER

    HAMLIK JIM D / HAMLIK JOEL D | Europäisches Patentamt | 2018

    Freier Zugriff

    Fork positioner for forklift

    BAE MOON JOON | Europäisches Patentamt | 2020

    Freier Zugriff

    Forklift with automatic fork adjustment function

    LIU LIANCHENG / CHEN JINGLU / GUO JUZHI et al. | Europäisches Patentamt | 2020

    Freier Zugriff