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公开(公告)号：US12123175B2
公开(公告)日：2024-10-22
申请号：US17794089
申请日：2021-01-07
发明人： Masaki Otani , Yusuke Fujiwara , Seiji Saiki , Yoichiro Yamazaki
摘要： A display mode of a picked-up image in a central image output device 2210 (specified image output device) is variably controlled so as to display all of respective specified portions PPL and PPR of a pair of pillars 4240L and 4240R configuring a cab 424 in the central image output device 2210 (specified image output device). The specified portions PPL and PPR are part of the pillars 4240L and 4240R overlapping a specified image region R that extends in a belt shape between left and right bezels 2210L and 2210R.
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公开(公告)号：US20240309612A1
公开(公告)日：2024-09-19
申请号：US18576666
申请日：2022-06-20
发明人： Hidenori TANAKA , Koji UEDA
IPC分类号： E02F9/22
CPC分类号： E02F9/2285 , E02F9/2235 , E02F9/2296
摘要： A construction machine includes a relief valve that opens to limit a pressure of a pump discharge line that is a line between a main pump and a direction switching valve, a back pressure generation mechanism that is disposed on a return line that is a line connected to a tank and generates a back pressure in the return line, and an air bleed line that connects the relief valve and a portion downstream from the back pressure generation mechanism in the return line.
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公开(公告)号：US12091833B2
公开(公告)日：2024-09-17
申请号：US17265269
申请日：2019-08-08
CPC分类号： E02F3/435 , E02F3/32 , E02F3/7618 , E02F3/961 , E02F9/123
摘要： A work machine includes: a first posture detection device which detects a posture of an upper slewing body with respect to a lower travelling body; a second posture detection device which detects a posture of a blade; a laser beam receiver which is provided to the upper slewing body and can receive a laser beam emitted from a laser beam emitter; and a calculation unit which calculates a height position of a cutting edge of the blade with respect to a surface to be constructed. The calculation unit calculates the height position of the cutting edge of the blade with respect to the surface to be constructed based on a laser beam receiving position where the laser beam is received by the laser beam receiver, a posture of the upper slewing body with respect to the lower travelling body, and a posture of the blade.
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公开(公告)号：US20240287769A1
公开(公告)日：2024-08-29
申请号：US18572517
申请日：2022-06-13
发明人： Nobuhiro FUKUO , Koji YAMASHITA , Daisuke NODA
摘要： A work machine system includes a lower travelling body, an upper slewing body slewably attached to an upper portion of the lower travelling body, an attachment having a bucket that is capable of holding a work object and is rotatably attached to the upper slewing body, and a controller. The controller controls the upper slewing body and the attachment so that the upper slewing body and the attachment perform a series of operations having a plurality of operation phases, detects an amount of the work object held by the bucket, sets a target amount that is a target of the amount of the work object, and specifies, as an abnormal phase, an operation phase in which the amount of the work object held by the bucket is smaller than the target amount.
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公开(公告)号：US20240279910A1
公开(公告)日：2024-08-22
申请号：US18569669
申请日：2022-03-11
发明人： Yukihiro HOSO , Sho FUJIWARA , Shingun KYU , Yoshiki MUNEMASA
CPC分类号： E02F9/262 , E02F9/205 , E02F9/2054 , E02F9/24 , E02F9/265
摘要： Provided is a worksite monitoring system that achieves suppression of a decrease in the work efficiency of a working machine. The worksite monitoring system includes: a camera that captures an image of a worksite; an object detection part that detects, on the basis of the image captured by the camera, a working machine in the worksite; a position acquisition part that acquires a position of the working machine detected by the object detection part; a type determination part that determines a type of the working machine detected by the object detection part; a working area setting part that sets a working area associated with the type determined by the type determination part for the working machine detected by the object detection part; and an unsafety state detection part that detects an unsafety state on the basis of the position of the working machine acquired by the position acquisition part and the working area set by the working area setting part.
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公开(公告)号：US12028653B2
公开(公告)日：2024-07-02
申请号：US17784255
申请日：2021-01-07
发明人： Hitoshi Sasaki , Yoichiro Yamazaki
CPC分类号： H04N7/181 , H04N23/90 , G01M3/38 , G01M5/0033 , G01M5/0091
摘要： A remote control system 1 having a function as an inspection system includes a plurality of cameras 25, 60 which are located in a location environment of a construction machine 10, a captured image processing unit 50a configured to cause a display unit 45 to display captured images, and a camera selection unit 50b configured to select an inspection camera from the plurality of cameras 25, 60 at a time of inspection of the construction machine 10. The captured image processing unit 50a is configured to receive an image captured by the selected inspection camera to include an image of a portion to be inspected and cause the display unit 45 to display the captured image.
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公开(公告)号：US12006653B2
公开(公告)日：2024-06-11
申请号：US17252953
申请日：2019-06-12
发明人： Shinji Yamashita , Ichiro Wada , Tsuguhito Fujita
CPC分类号： E02F3/369 , B66C23/64 , Y10T403/59
摘要： An attachment of a work machine includes first and second attachment bodies connectable to each other quickly and easily. The first attachment body includes first side plates including first projecting portions formed with notches, and the second attachment body includes second side plates including second projecting portions and a fitting pin inserted through the second projecting portions. The interval between the first side plates is larger than the interval between the second side plates. The first and second attachment bodies are interconnected while the first projecting portions are disposed outside the second projecting portions, and the parts of the fitting pin protruding outward beyond the second projecting portions are fitted with the notches.
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公开(公告)号：US12006193B2
公开(公告)日：2024-06-11
申请号：US17636178
申请日：2020-08-28
摘要： Provided is a work machine capable of effectively discharging air from a hydraulic circuit of a winch unit capable of applying braking to a winch drum by receiving a working oil. The work machine includes: a winch unit having a winch drum, a winch motor, a cylinder portion and a clutch portion; a hydraulic sources; a braking operating unit; a brake valve; a connecting portion; and a throttle portion. The throttle portion includes an opening having an opening diameter that is set so as to hold a pressure in a positive oil chamber for generating a brake force applied to the winch drum and to discharge a working oil from the positive oil chamber.
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公开(公告)号：US11999599B2
公开(公告)日：2024-06-04
申请号：US17636247
申请日：2020-08-28
发明人： Eiji Miya , Taisuke Tsunoo , Hitoshi Sakurai , Hideo Inoue , Kouichiro Nagai
摘要： A changing device easily and safely changes the posture of the backstop of a crane between a support posture and a storage posture. The backstop posture changing device is provided with a first support member, a second support member, a push-up mechanism, and a connection member. The first support member and the second support member are rotationally connected to a backstop and a lower boom respectively. When a cylinder rod of the push-up mechanism is extended with respect to a cylinder body, a push-up member pushes up the first support member and the posture of the backstop is changed from a storage posture on the lower boom to a support posture in which it is possible to support a boom while the crane is in a working posture.
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公开(公告)号：US20240141616A1
公开(公告)日：2024-05-02
申请号：US18278209
申请日：2021-12-13
发明人： Yuki MORITA , Masaki OTANI , Yusuke SAWADA , Yusuke KAMIMURA , Yoichiro YAMAZAKI
摘要： Provided is a system or the like capable of reducing mental burdens on an operator who remotely operates a work machine, when an image range acquired by a real machine image pickup device loaded on the work machine is changed. A previous notice indicating a future change mode of a real space area projected in a work environment image displayed at a remote image output device 221 is output to a remote output interface 220. It is possible to make the operator who encounters a virtual sound source Vss displaced according to a displacement mode of the real space area and/or an icon image A1 in an arrow shape indicating the displacement mode of the real space area recognize beforehand that the real space area projected in the work environment image is to be displaced according to the displacement mode in the future.
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