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公开(公告)号：US20210304708A1
公开(公告)日：2021-09-30
申请号：US17212734
申请日：2021-03-25
发明人： Tatsuya Matsushita , Kohei Honjo
摘要： There is provided a periphery display device for a work machine, which displays a bird's-eye view image around the work machine. A display magnification of a region between a peripheral line having a turning radius of the work machine and an offset peripheral line surrounding the peripheral line is different from a display magnification of a region inside the peripheral line.
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公开(公告)号：US20190284028A1
公开(公告)日：2019-09-19
申请号：US16298668
申请日：2019-03-11
发明人： Tatsuya Matsushita
摘要： A control device of a hydraulic winch includes an engine, a hydraulic pump, a hydraulic motor driving a winch drum, a winch manipulating member, an engine control unit controlling a rotation speed of the engine, a winch load detector detecting a load applied to the winch drum, and a motor capacity control unit controlling a motor capacity of the hydraulic motor so as to decrease a motor capacity of the hydraulic motor in a fuel-saving operation mode to a motor capacity which is smaller than a motor capacity of the hydraulic motor in a normal operation mode. The engine control unit sets an upper limit value of the rotation speed of the engine in the fuel-saving operation mode to a value which is lower than a maximum rotation speed of the engine in the normal operation mode and corresponds to the load detected by the winch load detector.
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公开(公告)号：US20230018143A1
公开(公告)日：2023-01-19
申请号：US17951890
申请日：2022-09-23
发明人： Kohei Honjo , Tatsuya Matsushita
摘要： The work machine includes a work machine body, and an assembly component that is attached to the work machine body. The work machine further includes a detection unit that monitors surroundings. The work machine body includes a lower traveling body and a rotating platform that rotates relative to the lower traveling body. The detection unit is attached to the rotating platform without interposing the assembly component.
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公开(公告)号：US20220306434A1
公开(公告)日：2022-09-29
申请号：US17707108
申请日：2022-03-29
发明人： Daisuke Ishida , Tatsuya Matsushita
摘要： Provided is a monitoring device for a winch drum of a crane, the device including: a monitoring unit that monitors whether or not an abrasion generation condition is satisfied for the winch drum; and a notification unit that performs notification based on satisfaction of the abrasion generation condition.
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公开(公告)号：US20220315396A1
公开(公告)日：2022-10-06
申请号：US17710270
申请日：2022-03-31
发明人： Tatsuya Matsushita
摘要： Provided is a periphery monitoring device for a work machine that displays an overhead image of the work machine and surroundings of the work machine, the device including: a detector that detects a distance to a surrounding object with respect to the work machine; and a display that displays the object in the overhead image with the distance between the work machine and the object reflected, in which a display range of the display for the object is a range obtained by extracting a portion of a detection range of the detector.
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公开(公告)号：US20210300731A1
公开(公告)日：2021-09-30
申请号：US17213695
申请日：2021-03-26
发明人： Tatsuya Matsushita , Kohei Honjo
摘要： There is provided a crane that is assemblable and disassemblable and is capable of changing a monitoring range for periphery monitoring according to an assembly state of the crane.
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公开(公告)号：US10752477B2
公开(公告)日：2020-08-25
申请号：US16298668
申请日：2019-03-11
发明人： Tatsuya Matsushita
摘要： A control device of a hydraulic winch includes an engine, a hydraulic pump, a hydraulic motor driving a winch drum, a winch manipulating member, an engine control unit controlling a rotation speed of the engine, a winch load detector detecting a load applied to the winch drum, and a motor capacity control unit controlling a motor capacity of the hydraulic motor so as to decrease a motor capacity of the hydraulic motor in a fuel-saving operation mode to a motor capacity which is smaller than a motor capacity of the hydraulic motor in a normal operation mode. The engine control unit sets an upper limit value of the rotation speed of the engine in the fuel-saving operation mode to a value which is lower than a maximum rotation speed of the engine in the normal operation mode and corresponds to the load detected by the winch load detector.
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