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LIFT BOOM CRANE WITH BOOM RETURN DEVICE

机译:带动臂返回装置的动臂起重机

摘要

This crane is of the type comprising a rotating pivot 5, an arrow carrier 6 integral with the pivot 5, a platform of the mechanisms 7 connected to the rear of the pivot with a movable counterweight 8, a lifting boom 9 articulated on the pivot, and means 20, 24 for boom lifting and lifting of loads. According to the invention, an arrow return device 16 is provided, associated with the platform 7 which is suspended from the arrow holder 6, at the rear, by means of tie rods 14 and, at the front, by means of 'a connecting rod 15 also comprising pushers 37, the front of the platform 7 being connected to the pivot 5 by axes 13 movable in vertical lights 12. When the arrow 9 arrives in the raised position, support means 54 carried by its foot 17 cooperate with the pushers 37 and the assembly opposes the continuation of the movement. /P P Applications: tower cranes, mobile cranes.
机译:这种起重机的类型包括旋转枢轴5,与枢轴5成一体的箭头支架6,通过可移动配重8连接至枢轴后部的机构7的平台,铰接在枢轴上的起重臂9,装置20、24,用于起重臂和提升负载。根据本发明,提供了与平台7相关联的箭头返回装置16,该箭头返回装置16通过拉杆14在后部并且通过前部的“连接杆”从箭头保持器6悬挂下来。图15中还包括推动器37,平台7的前部通过可在垂直灯12中移动的轴13连接到枢轴5。当箭头9到达升高位置时,由其脚17支撑的支撑装置54与推动器37配合而装配反对运动的延续。

应用程序:塔式起重机,移动式起重机。

著录项

  • 公开/公告号FR2641773A1

    专利类型

  • 公开/公告日1990-07-20

    原文格式PDF

  • 申请/专利权人 POTAIN;

    申请/专利号FR19890000847

  • 发明设计人 ROUSSIN GERARD;GERARD ROUSSIN;

    申请日1989-01-18

  • 分类号B66C23/06;B66C23/72;B66C23/76;B66C23/92;

  • 国家 FR

  • 入库时间 2022-08-22 06:09:17

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