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1. 发明授权

US08405328B2 Slewing control device and working machine incorporated with the same 有权
标题翻译：回转控制装置和工作机械结合使用
公开(公告)号：US08405328B2
公开(公告)日：2013-03-26
申请号：US13036391
申请日：2011-02-28
申请人： Masayuki Komiyama , Natsuki Yumoto , Yoshiyasu Umezu , Masayuki Kogashima
发明人： Masayuki Komiyama , Natsuki Yumoto , Yoshiyasu Umezu , Masayuki Kogashima
IPC分类号： H02P3/04
CPC分类号： E02F9/123 , B66C23/86 , B66C23/94 , E02F9/128 , E02F9/2075 , E02F9/2083
摘要： There is provided a slewing control device that enables to detect breakdown of a driving system of a mechanical brake, and generate a torque for holding a slewing body in a stopped state to thereby prevent movement of the slewing body when an anomaly has occurred. In a working machine for driving a slewing body by an electric motor 1, judgment is made as to whether a mechanical brake 4 is in an inconsistent state, based on a command to be outputted to a brake circuit B, and a pressure detected by a brake pressure sensor 17. The inconsistent state is a state that the mechanical brake 4 is in a brake released state when an activation command for switching the mechanical brake 4 to a brake activated state is outputted. If it is judged that the mechanical brake 4 is in the inconsistent state, a command for obtaining a braking torque for holding the slewing body in a stopped state is outputted to the electric motor 1.
摘要翻译：提供了一种回转控制装置，其能够检测机械制动器的驱动系统的故障，并且产生用于将回转体保持在停止状态的扭矩，从而防止在发生异常时的回转体的运动。在用于通过电动机1驱动回转体的作业机械中，判断机械制动器4是否处于不一致状态，基于要输出到制动回路B的指令，以及由制动压力传感器17.当将机械制动器4切换到制动器启动状态的启动命令被输出时，不一致状态是机械制动器4处于制动释放状态的状态。如果判断为机械制动器4处于不一致状态，则将用于获得用于将转动体保持在停止状态的制动转矩的指令输出到电动机1。

2. 发明申请

US20110227512A1 SLEWING CONTROL DEVICE AND WORKING MACHINE INCORPORATED WITH THE SAME 有权
标题翻译：同步控制装置和工作机
公开(公告)号：US20110227512A1
公开(公告)日：2011-09-22
申请号：US13036391
申请日：2011-02-28
申请人： Masayuki KOMIYAMA , Natsuki Yumoto , Yoshiyasu Umezu , Masayuki Kagoshima
发明人： Masayuki KOMIYAMA , Natsuki Yumoto , Yoshiyasu Umezu , Masayuki Kagoshima
IPC分类号： H02P3/04
CPC分类号： E02F9/123 , B66C23/86 , B66C23/94 , E02F9/128 , E02F9/2075 , E02F9/2083
摘要： There is provided a slewing control device that enables to detect breakdown of a driving system of a mechanical brake, and generate a torque for holding a slewing body in a stopped state to thereby prevent movement of the slewing body when an anomaly has occurred. In a working machine for driving a slewing body by an electric motor 1, judgment is made as to whether a mechanical brake 4 is in an inconsistent state, based on a command to be outputted to a brake circuit B, and a pressure detected by a brake pressure sensor 17. The inconsistent state is a state that the mechanical brake 4 is in a brake released state when an activation command for switching the mechanical brake 4 to a brake activated state is outputted. If it is judged that the mechanical brake 4 is in the inconsistent state, a command for obtaining a braking torque for holding the slewing body in a stopped state is outputted to the electric motor 1.
摘要翻译：提供了一种回转控制装置，其能够检测机械制动器的驱动系统的故障，并且产生用于将回转体保持在停止状态的扭矩，从而防止在发生异常时的回转体的运动。在用于通过电动机1驱动回转体的作业机械中，判断机械制动器4是否处于不一致状态，基于要输出到制动回路B的指令，以及由制动压力传感器17.当将机械制动器4切换到制动器启动状态的启动命令被输出时，不一致状态是机械制动器4处于制动释放状态的状态。如果判断为机械制动器4处于不一致状态，则将用于获得用于将转动体保持在停止状态的制动转矩的指令输出到电动机1。

3. 发明授权

US08668041B2 Construction machine having platform for maintenance work 有权
标题翻译：施工机具有维修工作平台
公开(公告)号：US08668041B2
公开(公告)日：2014-03-11
申请号：US13509311
申请日：2010-09-14
申请人： Natsuki Yumoto , Nobuyuki Maekawa , Hideki Kusano
发明人： Natsuki Yumoto , Nobuyuki Maekawa , Hideki Kusano
IPC分类号： E02F9/12
CPC分类号： E02F9/0833 , B62D33/0617 , B62D33/0633 , E02F9/121
摘要： A construction machine including: a lower propelling body; an upper slewing body having a rear region with an engine room; a slewing device for slewing the upper slewing body; and a platform cover. The slewing device includes a slewing electric motor having an electric-motor output shaft, and a speed reducer having a speed-reducer output shaft rotated more slowly than the electric-motor output shaft, the speed reducer installed forward of the engine room such that the speed-reducer output shaft points downward, the slewing electric motor disposed just above the speed reducer. The platform cover is provided on a top of the slewing electric motor, having an upper surface serving as a platform for maintenance of equipment in the engine room. The platform cover is lower than the engine cover and adjacent to a front side of the engine room.
摘要翻译：一种建筑机械，包括：下推进体; 具有带有发动机室的后部区域的上部回转体; 用于回转上部回转体的回转装置; 和平台盖。回转装置包括具有电动机输出轴的回转电动机和具有比电动机输出轴旋转得更慢的减速器输出轴的减速器，将减速器安装在发动机室的前方，使得减速机输出轴向下指向，回转电动机位于减速机正上方。平台盖设置在回转电动机的顶部，具有作为用于维护发动机室中的设备的平台的上表面。平台盖低于发动机盖并且靠近发动机室的前侧。

4. 发明申请

US20120224943A1 CONSTRUCTION MACHINE HAVING PLATFORM FOR MAINTENANCE WORK 有权
标题翻译：具有维护工作平台的建筑机械
公开(公告)号：US20120224943A1
公开(公告)日：2012-09-06
申请号：US13509311
申请日：2010-09-14
申请人： Natsuki Yumoto , Nobuyuki Maekawa , Hideki Kusano
发明人： Natsuki Yumoto , Nobuyuki Maekawa , Hideki Kusano
IPC分类号： E02F9/12
CPC分类号： E02F9/0833 , B62D33/0617 , B62D33/0633 , E02F9/121
摘要： A construction machine including: a lower propelling body; an upper slewing body having a rear region with an engine room; a slewing device for slewing the upper slewing body; and a platform cover. The slewing device includes a slewing electric motor having an electric-motor output shaft, and a speed reducer having a speed-reducer output shaft rotated more slowly than the electric-motor output shaft, the speed reducer installed forward of the engine room such that the speed-reducer output shaft points downward, the slewing electric motor disposed just above the speed reducer. The platform cover is provided on a top of the slewing electric motor, having an upper surface serving as a platform for maintenance of equipment in the engine room. The platform cover is lower than the engine cover and adjacent to a front side of the engine room.
摘要翻译：一种建筑机械，包括：下推进体; 具有带有发动机室的后部区域的上部回转体; 用于回转上部回转体的回转装置; 和平台盖。回转装置包括具有电动机输出轴的回转电动机和具有比电动机输出轴旋转得更慢的减速器输出轴的减速器，将减速器安装在发动机室的前方，使得减速机输出轴向下指向，回转电动机位于减速机正上方。平台盖设置在回转电动机的顶部，具有作为用于维护发动机室中的设备的平台的上表面。平台盖低于发动机盖并且靠近发动机室的前侧。

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