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    • 2. 发明公开
    • FRONT LOADER
    • FRONTLADER
    • EP2924178A2
    • 2015-09-30
    • EP15160095.4
    • 2015-03-20
    • Kubota Corporation
    • Matsumoto, AtsushiNadaoka, RyuichiOyama, KosukeSugioka, Masahiro
    • E02F3/43E02F9/24
    • E02F3/432E02F3/3417E02F3/431E02F3/433E02F9/2037E02F9/24
    • The front loader (B) includes a boom actuator (16) configured to pivotally drive a boom (12) along a vertical direction relative to a traveling vehicle body about a first pivot axis (11) which is oriented along a right/left direction, a bucket actuator (17) configured to pivotally drive a bucket (15) along the vertical direction relative to the boom (12) about a second pivot axis (13) which is oriented along the right/left direction, a manual controlling section (22) for controlling operations of the boom actuator and the bucket actuator based on a manual operation of an operational tool, a boom angle detector (18) for detecting a vertical pivot angle of the boom, a bucket angle detector (19) for detecting a vertical pivot angle of the bucket relative to the boom, a calculating section (23) for calculating a ground pivot angle of the bucket based on an output from the boom angle detector and an output from the bucket angle detector, a storage section (24) storing relation data representing relation between a vertical pivot angle of the boom and a limit scoop angle of the bucket, a setting section (25) for setting the limit scoop angle corresponding to a vertical pivot angle of the boom, based on the output from the boom angle detector and the relation data and a scoop angle limit controlling section (27) configured to control an operation of the bucket actuator in such a manner that the ground pivot angle of the bucket will not exceed the set limit scoop angle when arrival of the ground pivot angle of the bucket at the set limit scoop angle is detected based on an output from the setting section and an output from the calculating section.
    • 前装载机(B)包括:吊臂致动器(16),其构造成围绕围绕沿左右方向定向的第一枢转轴线(11)沿垂直方向相对于行进车体枢转地驱动悬臂(12) 铲斗致动器(17),其构造成围绕围绕左右方向定向的第二枢转轴线(13)相对于所述悬臂(12)沿垂直方向枢转地驱动铲斗(15);手动控制部 ),用于基于操作工具的手动操作来控制起重臂致动器和铲斗致动器的操作;用于检测悬臂的垂直枢转角度的悬臂角度检测器(18),用于检测垂直方向的铲斗角度检测器(19) 铲斗相对于起重臂的枢转角度,用于根据来自起重臂角度检测器的输出和铲斗角度检测器的输出计算铲斗的地面枢转角度的计算部分(23),存储部分 关系数据表示 悬臂的垂直转角与铲斗的限制斗角之间的关系,用于根据来自起重臂角度检测器的输出设定与吊杆的垂直枢转角对应的限位斗角的设定部(25) 以及关系数据和铲角限制控制部(27),其构造成以下述方式来控制铲斗致动器的操作,使得当地面枢转角度到达时铲斗的地面枢转角度不会超过设定的限制铲角 基于来自设定部的输出和来自计算部的输出来检测设定的限制铲斗角度的铲斗。
    • 10. 发明公开
    • Load handling machine
    • 负载处理机器
    • EP1502894A2
    • 2005-02-02
    • EP04014729.0
    • 2004-06-23
    • J.C. BAMFORD EXCAVATORS LIMITED
    • Way, Richard Francis
    • B66F9/065B66F9/22
    • B66F9/22B66F9/0655E02F3/433
    • A load handling machine (10) includes a body (11), and a lifting arm (18) carrying a load handling implement (19), a first fluid operated linear actuator (20) for raising and permitting of lowering the lifting arm (18) a and a second fluid operated linear actuator (25) for pivoting the load handling implement (19), and there being a linear displacement device (42) which includes a pair of cylinders (44a,44b) at the same side of the pivot axis (A) of the arm (18) as the first actuator (20), pivoting the load handling implement (19) through a lever (40), and being connected to the displacement device (42) so that as the lifting arm (18) is lowered, fluid ejected from one (24a) of the pair of cylinders of the displacement device (42) is fed to the second actuator (25).
    • 本发明涉及一种装载机械(10),包括主体(11)和承载负载处理工具(19)的提升臂(18),第一流体操作线性致动器(20),用于升高和允许升降臂 )和用于枢转所述负载处理工具(19)的第二流体操作线性致动器(25),并且存在线性位移装置(42),所述线性位移装置包括位于所述枢轴的同一侧的一对缸体(44a,44b) (20)的所述臂(18)的轴线(A),通过杠杆(40)枢转所述负载处理工具(19)并且连接至所述位移装置(42),使得当所述提升臂 18)下降时,从位移装置(42)的一对汽缸中的一个(24a)喷射的流体被供给到第二致动器(25)。