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    • 1. 发明申请
    • LEG JOINT ASSIST DEVICE OF LEGGED MOBILE ROBOT
    • LEG联合协助手机移动机器人
    • US20070210739A1
    • 2007-09-13
    • US11573922
    • 2005-08-05
    • Toru TakenakaHiroshi GomiKazushi HamayaKazushi AkimotoKatsushi Tanaka
    • Toru TakenakaHiroshi GomiKazushi HamayaKazushi AkimotoKatsushi Tanaka
    • B25J5/00
    • B62D57/032B25J19/0091
    • In a state wherein a solenoid switching valve in a gas passage in communication with air chambers is closed, an assist device produces an assisting driving force by compression or expansion of a gas as a knee joint (specific joint) of a leg bends or stretches, and applies the produced assisting driving force to the knee joint. In a valve-open state of the solenoid switching valve, no assisting driving force is produced. The solenoid switching valve is constructed of a solenoid switching valve having a self-holding feature, and installed in the gas passage such that a pressure difference between air chambers acts in a valve closing direction of a valve element in a predetermined period during which the solenoid switching valve is closed. This arrangement effectively reduces the power consumption of the solenoid switching valve by a simple construction.
    • 在与气室连通的气体通道中的电磁切换阀关闭的状态下,辅助装置通过作为腿部弯曲或拉伸的膝关节(特定接头)的气体的压缩或膨胀产生辅助驱动力, 并将产生的辅助驱动力施加到膝关节。 在电磁换向阀的阀打开状态下,不产生辅助驱动力。 电磁切换阀由具有自保持特征的电磁切换阀构成,并且安装在气体通道中,使得空气室之间的压力差在阀元件的阀闭合方向作用在预定时间段内,在螺线管 切换阀关闭。 这种布置通过简单的结构有效地降低了电磁开关阀的功耗。
    • 2. 发明申请
    • Leg Joint Assist Device of Legged Mobile Robot
    • 腿式移动机器人的腿部关节辅助装置
    • US20080210477A1
    • 2008-09-04
    • US11575545
    • 2005-08-17
    • Toru TakenakaHiroshi GomiKazushi HamayaKazushi AkimotoShinya ShirokuraMinami AsataniKatsushi Tanaka
    • Toru TakenakaHiroshi GomiKazushi HamayaKazushi AkimotoShinya ShirokuraMinami AsataniKatsushi Tanaka
    • B62D51/04F16C11/00
    • B62D57/032B25J19/0012Y10T403/32606
    • An assist device 11 is equipped with a spring means 21 (gas spring), and a piston 24 in a cylinder 23 moves upward or downward according to a relative displacement motion (flexing or stretching motion) of a thigh 4 and a crus 5 at a knee joint 8 of a leg 3 of a robot. Air chambers 25 and 26 above and below the piston 24 are filled with gases. If a flexing degree at the knee joint 8 is a predetermined value or less, then the air chambers 25 and 26 are brought into communication through a groove 28 in the cylinder 23, and the spring means 21 does not generate an elastic force, but if the flexing degree exceeds the predetermined value, then the air chambers 25 and 26 are hermetically sealed from each other and the spring means 21 produces an elastic force, the elastic force acting on the knee joint 8 as assisting driving force. A burden on a joint actuator of a leg can be reduced, while reducing energy consumption of the robot by using a small and simple construction. Moreover, a change in the characteristics of an assisting driving force of the spring means 21 in response to a flexing degree of the knee joint 8 can be restrained.
    • 辅助装置11配备有弹簧装置21(气弹簧),并且气缸23中的活塞24根据大腿4和小腿5的相对位移运动(弯曲或拉伸运动)向上或向下移动 机器人腿3的膝关节8。 在活塞24上方和下方的气室25和26充满气体。 如果膝关节8的弯曲度为规定值以下,则气室25,26通过气缸23内的槽28连通,弹簧装置21不产生弹性力,但如果 挠曲度超过预定值,则空气室25和26彼此气密地密封,并且弹簧装置21产生作为辅助驱动力的作用在膝关节8上的弹力。 通过使用小而简单的结构,能够减轻腿的联合执行器的负担,同时减少机器人的能量消耗。 此外,可以抑制响应于膝关节8的弯曲程度的弹簧装置21的辅助驱动力的特性的变化。
    • 3. 发明授权
    • Leg joint assist device of legged mobile robot
    • 腿式移动机器人的腿关节辅助装置
    • US07658246B2
    • 2010-02-09
    • US11575545
    • 2005-08-17
    • Toru TakenakaHiroshi GomiKazushi HamayaKazushi AkimotoShinya ShirokuraMinami AsataniKatsushi Tanaka
    • Toru TakenakaHiroshi GomiKazushi HamayaKazushi AkimotoShinya ShirokuraMinami AsataniKatsushi Tanaka
    • B25J19/00
    • B62D57/032B25J19/0012Y10T403/32606
    • An assist device 11 is equipped with a spring means 21 (gas spring), and a piston 24 in a cylinder 23 moves upward or downward according to a relative displacement motion (flexing or stretching motion) of a thigh 4 and a crus 5 at a knee joint 8 of a leg 3 of a robot. Air chambers 25 and 26 above and below the piston 24 are filled with gases. If a flexing degree at the knee joint 8 is a predetermined value or less, then the air chambers 25 and 26 are brought into communication through a groove 28 in the cylinder 23, and the spring means 21 does not generate an elastic force, but if the flexing degree exceeds the predetermined value, then the air chambers 25 and 26 are hermetically sealed from each other and the spring means 21 produces an elastic force, the elastic force acting on the knee joint 8 as assisting driving force. A burden on a joint actuator of a leg can be reduced, while reducing energy consumption of the robot by using a small and simple construction. Moreover, a change in the characteristics of an assisting driving force of the spring means 21 in response to a flexing degree of the knee joint 8 can be restrained.
    • 辅助装置11配备有弹簧装置21(气弹簧),并且气缸23中的活塞24根据大腿4和小腿5的相对位移运动(弯曲或拉伸运动)向上或向下移动 机器人腿3的膝关节8。 在活塞24上方和下方的气室25和26充满气体。 如果膝关节8的弯曲度为规定值以下,则气室25,26通过气缸23内的槽28连通,弹簧装置21不产生弹性力,但如果 挠曲度超过预定值,则空气室25和26彼此气密地密封,并且弹簧装置21产生作为辅助驱动力的作用在膝关节8上的弹力。 通过使用小而简单的结构,能够减轻腿的联合执行器的负担,同时减少机器人的能量消耗。 此外,可以抑制响应于膝关节8的弯曲程度的弹簧装置21的辅助驱动力的特性的变化。
    • 6. 发明授权
    • Device for absorbing floor-landing shock for legged mobile robot
    • 用于吸收腿式移动机器人地板撞击的装置
    • US06967456B2
    • 2005-11-22
    • US10499117
    • 2002-12-11
    • Toru TakenakaHiroshi GomiKazushi HamayaYoshinari TakemuraTakashi MatsumotoTakahide YoshiikeYoichi NishimuraKazushi AkimotoTaro Yokoyama
    • Toru TakenakaHiroshi GomiKazushi HamayaYoshinari TakemuraTakashi MatsumotoTakahide YoshiikeYoichi NishimuraKazushi AkimotoTaro Yokoyama
    • B25J5/00B25J19/00B62D57/032F16F9/04
    • F16F9/0481B25J19/0091B62D57/032
    • A landing shock absorbing device 18 provided in a foot mechanism 6 of a leg of a robot comprises an inflatable and compressible bag-like member 19 (a variable capacity element) on a bottom face side of the foot mechanism 6. The bag-like member 19 is constructed of an elastic material such as rubber. Air in the atmosphere can flow into and out of the bag-like member 19 by inflow/outflow means 20 provided with a solenoid valve 27 and the like. In a landing state of the foot mechanism 6 and in a state immediately after the foot mechanism shifts from the landing state to a lifting state, the solenoid valve 27 is closed to maintain the bag-like member 19 in a compressed state. Furthermore, during the bag-like member 19 in the inflating state during the lifting state of the foot mechanism 6, by controlling timing when the solenoid valve 27 is switched from a valve opening state to a valve closing state, a height of the bag-like member 19 in a compression direction is controlled to be a height suitable for a gait type of the robot. Thereby, posture stability of the robot can be secured easily while reducing a impact load in the landing motion of the leg of the legged mobile robot, and further, a lightweight configuration can be achieved.
    • 设置在机器人腿部的脚部机构6中的着陆减震装置18包括在脚部机构6的底面侧的可膨胀且可压缩的袋状构件19(可变容量元件)。 袋状构件19由橡胶等弹性材料构成。 大气中的空气可以通过设置有电磁阀27等的流入/流出装置20流入和流出袋状构件19。 在脚部机构6的着陆状态下,并且在脚部机构从着陆状态转移到提升状态之后的状态下,电磁阀27关闭,以将袋状部件19维持在压缩状态。 此外,在脚部机构6的提升状态期间处于充气状态的袋状部件19中,通过控制电磁阀27从开阀状态切换到关闭状态的定时, 压缩方向的板状构件19被控制为适合于步态机器人的高度。 因此,能够容易地确保机器人的姿势稳定性,同时减少有腿可动机器人的腿部的着陆运动中的冲击负荷,并且还可以实现轻量化的构造。
    • 8. 发明申请
    • Device for absorbing floor-landing shock for legged mobile robot
    • 用于吸收腿式移动机器人地板撞击的装置
    • US20050077856A1
    • 2005-04-14
    • US10499117
    • 2002-12-11
    • Toru TakenakaHiroshi GomiKazushi HamayaYoshinari TakemuraTakashi MatsumotoTakahide YoshiikeYoichi NishimuraKazushi AkimotoTaro Yokoyama
    • Toru TakenakaHiroshi GomiKazushi HamayaYoshinari TakemuraTakashi MatsumotoTakahide YoshiikeYoichi NishimuraKazushi AkimotoTaro Yokoyama
    • B25J5/00B25J19/00B62D57/032F16F9/04
    • F16F9/0481B25J19/0091B62D57/032
    • A landing shock absorbing device 18 provided in a foot mechanism 6 of a leg of a robot comprises an inflatable and compressible bag-like member 19 (a variable capacity element) on a bottom face side of the foot mechanism 6. The bag-like member 19 is constructed of an elastic material such as rubber. Air in the atmosphere can flow into and out of the bag-like member 19 by inflow/outflow means 20 provided with a solenoid valve 27 and the like. In a landing state of the foot mechanism 6 and in a state immediately after the foot mechanism shifts from the landing state to a lifting state, the solenoid valve 27 is closed to maintain the bag-like member 19 in a compressed state. Furthermore, during the bag-like member 19 in the inflating state during the lifting state of the foot mechanism 6, by controlling timing when the solenoid valve 27 is switched from a valve opening state to a valve closing state, a height of the bag-like member 19 in a compression direction is controlled to be a height suitable for a gait type of the robot. Thereby, posture stability of the robot can be secured easily while reducing a impact load in the landing motion of the leg of the legged mobile robot, and further, a lightweight configuration can be achieved.
    • 设置在机器人腿部的脚部机构6中的着陆减震装置18包括在脚部机构6的底面侧上的可膨胀且可压缩的袋状构件19(可变容量元件)。袋状构件 19由橡胶等弹性材料构成。 大气中的空气可以通过设置有电磁阀27等的流入/流出装置20流入和流出袋状构件19。 在脚部机构6的着陆状态下,并且在脚部机构从着陆状态转移到提升状态之后的状态下,电磁阀27关闭,以将袋状部件19维持在压缩状态。 此外,在脚部机构6的提升状态期间处于充气状态的袋状部件19中,通过控制电磁阀27从开阀状态切换到关闭状态的定时, 压缩方向的板状构件19被控制为适合于步态机器人的高度。 因此,能够容易地确保机器人的姿势稳定性,同时减少有腿可动机器人的腿部的着陆运动中的冲击负荷,并且还可以实现轻量化的构造。