Safety device for a stretching machine of the brake type comprising a negative brake which can be selectively activated and de-activated so as to constrain and respectively allow the rotation of at least one capstan which supports cables, a pumping device connected to the negative brake and configured to de-activate the latter during the normal use of the stretching machine, putting a working fluid under pressure, pressure energy accumulation means of said working fluid, and a maximum pressure valve configured to regulate the working pressure of a hydraulic motor for controlling the twisting torque applied to the capstan. The device also comprises a motorized drive device connected to the maximum pressure valve and provided to selectively regulate the action of the latter on the hydraulic motor, even in a breakdown condition of at least the pumping device, in order to maintain the working pressure of the hydraulic motor and to maintain the negative brake de-activated by the intervention of the pressure energy accumulation means.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Safety device for a cable stretching machine, corresponding method and stretching machine using said device


    Beteiligte:
    VITALI MAURIZIO (Autor:in) / OSCAR ALBERTO (Autor:in)

    Erscheinungsdatum :

    31.01.2017


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66D Haspeln , CAPSTANS / B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES / F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen / H02G INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES , Verlegen oder Installieren elektrischer Kabel oder Leitungen, Verlegen oder Installieren kombinierter optischer und elektrischer Kabel oder Leitungen



    SAFETY DEVICE FOR A CABLE STRETCHING MACHINE, CORRESPONDING METHOD AND STRETCHING MACHINE USING SAID DEVICE

    VITALI MAURIZIO / OSCAR ALBERTO | Europäisches Patentamt | 2020

    Freier Zugriff

    SAFETY DEVICE FOR A CABLE STRETCHING MACHINE, CORRESPONDING METHOD AND STRETCHING MACHINE USING SAID DEVICE

    VITALI MAURIZIO / OSCAR ALBERTO | Europäisches Patentamt | 2015

    Freier Zugriff

    SAFETY PLANT FOR A CABLE STRETCHING MACHINE, CORRESPONDING METHOD AND STRETCHING MACHINE USING SAID PLANT

    VITALI MAURIZIO / OSCAR ALBERTO | Europäisches Patentamt | 2017

    Freier Zugriff

    Safety plant for a cable stretching machine, corresponding method and stretching machine using said plant

    VITALI MAURIZIO / OSCAR ALBERTO | Europäisches Patentamt | 2015

    Freier Zugriff

    METHOD FOR STRETCHING A CABLE

    GIGLIOLI ROMANO / LUTZEMBERGER GIOVANNI / SANI LUCA et al. | Europäisches Patentamt | 2018

    Freier Zugriff