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1. 发明公开

EP4424628A1 WORK MACHINE 审中-实审
公开(公告)号：EP4424628A1
公开(公告)日：2024-09-04
申请号：EP22887026.7
申请日：2022-10-25
申请人： TADANO LTD.
发明人： SHIRAI, Manato , ZUSHI, Masahide , FUJIMOTO, Tsukasa
IPC分类号： B66C15/00 , B66C23/693
CPC分类号： B66C15/00 , B66C23/705
摘要： This work machine comprises: a first pin transitioning between an in-state where the boom and the telescopic cylinder are connected and an out-state where the connection is released; a second pin transitioning between an in state where booms are connected and an out-state where the connection is released; a main-detection device and a sub-detection device detecting the states of the first pin and the second pin; and a control unit that controls the boom based on the detection results of the main-detection device. The control unit controls the ON/OFF of a first flag indicating whether or not the main-detection device detected the combination and the ON/OFF of a second flag indicating whether or not the sub-detection device detected the combination, and detects that an abnormality has occurred in the main-detection device and sub-detection device based on the first flag and the second flag.

2. 发明公开

EP4328173A1 DEVICE FOR ESTIMATING NUMBER OF WOUND LAYERS, AND CRANE 审中-实审
公开(公告)号：EP4328173A1
公开(公告)日：2024-02-28
申请号：EP22791533.7
申请日：2022-03-29
申请人： TADANO LTD.
发明人： NISHIMOTO, Shoji
IPC分类号： B66D1/30 , B66D1/54
摘要： Provided is an estimation apparatus for estimating a number of wound layers of a wire rope in a crane including a boom, a winch drum, and the wire rope wound around the winch drum, the estimation apparatus being mounted on the crane, the estimation apparatus including: a calculation unit that calculates a delivery length of the wire rope; a detection unit that detects a rotational amount of the winch drum; and a control unit that estimates the number of wound layers, based on a difference in the delivery length of the wire rope and a difference in the rotational amount of the winch drum between a first orientation and a second orientation of the boom.

3. 发明公开

EP4219384A1 INFORMATION-SHARING SYSTEM 审中-实审
公开(公告)号：EP4219384A1
公开(公告)日：2023-08-02
申请号：EP23166336.0
申请日：2019-08-01
申请人： TADANO LTD.
发明人： HAYASHI, Hiroyuki
IPC分类号： B66C13/46 , B66C13/08 , B66C13/22 , B66C23/06 , B66C23/42
摘要： An information-sharing system (12) acquiring an image taken by a camera (51) from a working vehicle (13) including a working apparatus (3), the camera (51) supported by the working apparatus (3), and a sensor (53) for acquiring coordinates of the camera (51), comprising a control apparatus (80); a plurality of displays (59); and an information input section (59) for inputting information to be displayed on the displays (59), wherein the control apparatus (80) acquires a work range of the working vehicle (13) from the working vehicle (13), acquires coordinates of the camera (51) from the sensor (53), displays the map information in the work range on all the displays (59), and displays the image taken by the camera (51) on an area on the map information having the same size as an imaging area of the camera (51), the area being a coordinate position of the camera (51) on the map information.

4. 发明公开

EP4219382A1 CRANE 审中-实审
公开(公告)号：EP4219382A1
公开(公告)日：2023-08-02
申请号：EP23170441.2
申请日：2019-03-08
申请人： TADANO LTD.
发明人： HAYASHI, Hiroyuki
IPC分类号： B66C13/18 , B66C23/12 , B66C13/46
摘要： The present invention is directed to a crane (1) provided with a boom (7), a wire rope (8), a winch (9), and a hook (10), the boom (7) being capable of being luffed up and down, extended, and retracted, the wire rope (8) being configured to hang from the boom (7), the winch (9) being configured to wind or unwind the wire rope (8), the hook (10) being configured to be raised or lowered by the wire rope (8) wound or unwound. The crane (1) further comprises a winding manipulation tool (24) that allows giving an instruction on an operating state of the winch (9) and a switch that allows instructing that a lifting height of the hook (10) be kept, wherein, when the winding manipulation tool (24) is manipulated in one direction while the switch is in an "ON" state, the boom (7) is luffed up and extended to change a posture of the boom (7) while the wire rope (8) is unwound such that the lifting height of the hook (10) is kept, and, when the winding manipulation tool (24) is manipulated in an other direction while the switch is in the "ON" state, the boom (7) is luffed down and retracted to change the posture of the boom (7) while the wire rope (8) is wound such that the lifting height of the hook (10) is kept.

5. 发明公开

EP4190738A1 CRANE POSITION DETERMINATION DEVICE, MOBILE CRANE, AND CRANE POSITION DETERMINATION METHOD 审中-实审
公开(公告)号：EP4190738A1
公开(公告)日：2023-06-07
申请号：EP21849561.2
申请日：2021-07-27
申请人： TADANO LTD.
发明人： KIJI, Marudan
IPC分类号： B66C15/00 , B66C23/00
摘要： This crane position determination device is to be mounted on a mobile crane, said crane position determination device comprising: an input unit that receives input of the working conditions of crane work; a determination unit that has a learning model and determines the placement position of the mobile crane on the basis of output from the learning model; and a notification unit that provides notification of the placement position of the mobile crane, wherein on the basis of a reward function including at least one evaluation function pertaining to the crane work, the learning model learns to output information pertaining to the optimum placement position of the mobile crane with respect to the working conditions.

6. 发明公开

EP4129883A1 GUIDE DISPLAY DEVICE AND CRANE EQUIPPED WITH SAME 审中-实审
公开(公告)号：EP4129883A1
公开(公告)日：2023-02-08
申请号：EP21775498.5
申请日：2021-03-23
申请人： TADANO LTD. , The School Corporation Kansai University
发明人： ISHIKAWA Iwao , KOSAKA Takayuki , MASHIMA Keita , KUBOTA Satoshi , TANAKA Shigenori , NAKAHARA Masaya , NAKAHATA Koki
IPC分类号： B66C13/00 , B66C13/22 , H04N7/18
摘要： A guide display unit for a crane, wherein a data processing unit: calculates a measurement area corresponding to the measurement area of a camera; the measurement area from the viewpoint of the camera and generates a first image; performs mosaic-processing on the image captured by the camera according to the particle size of the three-dimensional map and generates a second image; performs registration processing on the first image and the second image and calculates the amount of deviation between the first image and the second image; corrects the position of a guide frame figure with respect to the image of a suspended load and a feature on the basis of the calculated amount of deviation; and overlays the guide frame figure on the images of the suspended load and the feature and displays the result on the data display unit.

7. 发明公开

EP4036046A1 CRANE INFORMATION DISPLAY SYSTEM 审中-实审
公开(公告)号：EP4036046A1
公开(公告)日：2022-08-03
申请号：EP20869570.0
申请日：2020-09-25
申请人： TADANO LTD.
发明人： YONEDA, Mizuki
IPC分类号： B66C13/46 , B66C23/00 , B66C23/90
摘要： A crane information display system includes a terminal device having a camera, and obtains camera images by imaging, with the camera, a first information display unit that displays information about a crane, the crane information display system including: a crane information acquisition unit that reads, from the camera images, display information of the first information display unit to acquire information about the crane; a virtual crane generation unit that generates a virtual crane image; a position/posture calculation unit that calculates, from the camera images, a position at which the virtual crane is to be disposed and a posture to be taken by the virtual crane; an information processing unit that converts the virtual crane image into an image that corresponds to the position and the posture of the virtual crane; and an image display unit that overlays and displays the virtual crane onto the camera images.

8. 发明公开

EP4019455A1 WORK MACHINE 审中-实审
公开(公告)号：EP4019455A1
公开(公告)日：2022-06-29
申请号：EP20855581.3
申请日：2020-08-21
申请人： TADANO LTD.
发明人： ZUSHI, Masahide , SHIRAI, Manato , NAGAHAMA, Kazu
IPC分类号： B66C23/693
摘要： Provided is a work machine that allows an improvement in the degree of freedom in terms of design around a telescopic boom and an increase in the reliability when the boom is telescoping. This work machine includes: a telescoping actuator that moves a first boom in the telescoping direction with respect to a second boom; an electrical drive source that is disposed in a movable portion of the telescoping actuator; a first biasing mechanism that biases a first fixing pin to maintain the connection state between the telescoping actuator and the first boom; a first connection mechanism that switches the connection state between the telescoping actuator and the first boom on the basis of the power of the electrical drive source; a second biasing mechanism that biases a second fixing pin to maintain the connection state between the first boom and the second boom; a second connection mechanism that switches the connection state between the first boom and the second boom on the basis of the power of the electrical drive source; and a control device that controls operation of the electrical drive source. The control device executes motor assist processing of operating the electrical drive source when the first fixing pin and/or the second fixing pin is restored by biasing force.

9. 发明公开

EP3868699A1 CRANE DEVICE 有权
公开(公告)号：EP3868699A1
公开(公告)日：2021-08-25
申请号：EP19872638.2
申请日：2019-10-16
申请人： TADANO LTD.
发明人： MINAMI, Yoshimasa
IPC分类号： B66C13/00
摘要： Provided is a crane device which is capable of performing highly accurate installation work without being influenced by a shape of baggage and an installation condition of the baggage.
The crane device, which actuates a carrying element including a boom and a hook suspended from the boom and carries the baggage to a carrying destination, includes: a camera provided on the hook; a camera control unit which controls an image-capturing operation of the camera on the basis of control information for operating the carrying element; and an image processing unit which processes a captured image that has been captured with the camera. The camera captures an image of the carrying destination of the baggage. The image processing unit takes, as a reference area, an arbitrary area in the image captured with the camera, generates a correction image obtained by projecting the captured image onto a plane that is parallel to the reference area and is perpendicular to an arbitrary direction with the baggage used as a viewpoint, calculates a current position of the baggage in the correction image, and displays the current position in a visually recognizable mode.

10. 发明公开

EP3868603A1 WORK VEHICLE 有权
公开(公告)号：EP3868603A1
公开(公告)日：2021-08-25
申请号：EP19900462.3
申请日：2019-11-29
申请人： Tadano Ltd.
发明人： TANII, Satoshi , TSUDA, Kazuaki
IPC分类号： B60P1/54 , F16P7/02 , B60T7/12 , B66C23/36 , B66C23/88
摘要： [Problem to be solved] Provided is a crane vehicle capable of preventing another vehicle from coming into contact with a tip end portion of a boom when entering an intersection or the like.
[Solution] A controller 60 of a crane vehicle detects an obstacle on a lateral side of a tip end portion of a boom 42 by using left and right cameras 46 and 47 when the vehicle enters an intersection or the like. When it is determined that a detected obstacle may come into contact with the tip end portion of the boom 42, the controller 60 drives a brake device 70 to stop a crane vehicle 10, and causes a speaker 66 to output a warning sound. When it is determined that there is no risk of contact with the boom 42 as the detected obstacle stops, or moves away from the crane vehicle 10 by turning left or right, or passing an intersection, the controller 60 releases the driving of the brake device to enable travelling of the crane vehicle 10.

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