1–8 von 8 Ergebnissen
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    Walking type tower crane and leveling method, leveling device and controller thereof

    Freier Zugriff
    YU LEKANG / FU LING / XU HUI et al. | Europäisches Patentamt | 2023

    Oil cylinder self-locking system, engineering machinery and oil cylinder telescopic self-locking cooperative control method

    Freier Zugriff
    YU LEKANG / WEI SUFEN / XU HUI et al. | Europäisches Patentamt | 2023

    Leveling support oil cylinder mechanism, leveling support oil cylinder hydraulic unit and engineering machinery

    Freier Zugriff
    YU LEKANG / ZHANG YUZHU / WANG CHANGLEI et al. | Europäisches Patentamt | 2023

      Leveling support oil cylinder mechanism, leveling support oil cylinder hydraulic unit and engineering machinery

      Freier Zugriff
      YU LEKANG / WEI SUFEN / XU HUI et al. | Europäisches Patentamt | 2023

    Leveling oil cylinder supporting leg assembly and engineering machinery

    Freier Zugriff
    YU LEKANG / WANG CHANGLEI / WEI SUFEN et al. | Europäisches Patentamt | 2023

    Engineering machinery leveling chassis, engineering machinery and crawler-type tower crane

    Freier Zugriff
    YU LEKANG / XU HUI / WEI SUFEN et al. | Europäisches Patentamt | 2023

    Crawler-type tower crane chassis steering control method and system and crawler-type tower crane

    Freier Zugriff
    YU LEKANG / XU HUI / ZHANG YUZHU et al. | Europäisches Patentamt | 2022

    Crawler belt assembly walking control method and system and crawler belt type tower crane

    Freier Zugriff
    YU LEKANG / ZHANG YUZHU / WANG CHANGLEI et al. | Europäisches Patentamt | 2023

    Brake assembly, rotation motor and crane

    Freier Zugriff
    YI DEHUI / YU LEKANG / GUAN JINJUN et al. | Europäisches Patentamt | 2020