169 patents
Page 5 of 9
Utility
Crane
2 Dec 21
This crane is provided with: a operable function unit; an operation unit; an actuator; a generation unit which generates a first control signal for the actuator on the basis of an operation input; a plurality of wire ropes; a plurality of hooks suspended from a leading end section of a boom by the plurality of wire ropes, respectively; a hook detection unit which detects, from among the plurality of hooks, an unused hook suspending no load; a calculation unit which calculates a resonance frequency for a wire rope, among the plurality of wire ropes, that suspends the detected unused hook; a filter unit which generates a filter on the basis of the resonance frequency and generates a second control signal by filtering the first control signal using the filter; and a control unit which controls the actuator on the basis of the second control signal.
Shinsuke KANDA, Kazuma MIZUKI
Filed: 15 Mar 19
Utility
Crane vehicle
23 Nov 21
A crane vehicle includes: an operation unit; a winch device configured to operate at a speed corresponding to an operation amount of the operation unit; a weight detection unit; a storage unit configured to store a time-weight target characteristic indicating a target in temporal change of a detected value at the weight detection unit for a maximum operation amount input from the operation unit; and a control unit configured to perform feedback control of an operation speed of the winch device such that the detected value follows the time-weight target characteristic in a case where the maximum operation amount is input from the operation unit, the control unit being configured to set the operation speed of the winch device at the speed corresponding to the operation amount of the operation unit, in a case where fluctuation of the detected value has converged in a predetermined range.
Kazuo Mitani
Filed: 18 Jul 18
Utility
Crane and information display method
26 Oct 21
There is provided a crane for enabling easily carrying out an operation of a boom such as raising and lowering, telescoping, or turning, by displaying a range wherein a hook may be moved or may not be moved in a direction approaching a vehicle part of the crane.
Hiroyuki Hayashi
Filed: 8 Mar 19
Utility
Crane Device
14 Oct 21
The crane device includes: a camera provided on a hook; a camera control unit which controls an image-capturing operation of the camera on the basis of control information for operating a carrying element; and an image processing unit which processes a captured image that has been captured with the camera.
Yoshimasa MINAMI
Filed: 16 Oct 19
Utility
Crane
30 Sep 21
Provided is a crane capable of changing a moment on a counterweight side without changing a total weight of the crane by using a simple method.
Masanori OSHIMA, Hiroto OTA, Yoshikado ITASAKA, Shota ROPPONGI
Filed: 1 Aug 19
Utility
Crane
23 Sep 21
This crane is provided with: a telescopic boom that can be extended; an extension device for extending the telescopic boom; a hydraulic pressure source provided in the extension device; a cylinder connection mechanism connected to the hydraulic pressure source and switching between the states of connection and non-connection with the telescopic boom on the basis of the supply and discharge of hydraulic oil; a first oil path for connecting the hydraulic pressure source and the cylinder connection mechanism; a first valve that is provided on the first oil path and switches the supply and discharge state of the hydraulic oil with respect to the cylinder connection mechanism; and a second oil path that bypasses the first valve and connects the hydraulic pressure source and the cylinder connection mechanism.
Naoto KAWABUCHI, Hisanori WADA, Naotaka MASUDA
Filed: 27 May 19
Utility
Crane and Control System for Crane
16 Sep 21
A crane that controls an actuator on the basis of a target speed signal Vd of cargo W includes: a control device having a feedback control unit that calculates a target path signal Pdα of the cargo from the target speed signal Vd by integration to correct the target path signal Pdα on the basis of the differential of current position coordinates p(n) of the cargo W corresponding to the target path signal Pdα; and a feedforward control unit that adjusts a weight coefficient of a transfer function G(s) expressing the characteristics of the crane on the basis of a target path signal Pd1α that has been corrected.
Yoshimasa MINAMI
Filed: 18 Jul 19
Utility
Human detection system for work vehicle, and work vehicle equipped with same
14 Sep 21
A human detection system 18 includes: a camera 19 that acquires detection image data Dd of a detection region D, the detection region D being a prescribed region including a portion of a crane 1; a deviation determination unit 21c in which image data of the crane 1 included in the detection image data Dd acquired by the camera 19 in a state of being disposed at a reference position is set as reference image data Sd of the detection region D, and in which the detection image data Dd of the detection region D acquired at an arbitrary time by the camera 19 is compared to the reference image data Sd to determine whether the position of the camera 19 has deviated from the reference position; and a reporting unit 21d that reports that the position of the camera 19 has deviated.
Iwao Ishikawa, Tomohiro Toyosaki, Masafumi Takahashi
Filed: 9 Mar 18
Utility
Crane and Crane Control Method
9 Sep 21
A crane is provided.
Yoshimasa MINAMI
Filed: 4 Jul 19
Utility
Crane
9 Sep 21
A target trajectory signal is calculated by integrating a target speed signal inputted from a suspended-load moving operation tool and passing the integrated signal through a lowpass filter.
Yoshimasa MINAMI
Filed: 22 Jul 19
Utility
Informing Device, Work Vehicle, and Informing Method
26 Aug 21
An informing device is an informing device mounted on a work vehicle that includes a lower base body, and a swivel body swivelably provided at the lower base body.
Yasuhiro FUKUMORI, Naoto KAWABUCHI, Naofumi YOSHIDA, Masato MIYOSHI, Kei OHARA, Hidenobu TAKAHASHI, Reya NAGATA, Masafumi TAKAHASHI
Filed: 23 Jul 19
Utility
Crane
19 Aug 21
A crane is provided.
Yoshimasa MINAMI
Filed: 3 Jul 19
Utility
Hybrid Welding Device
19 Aug 21
A hybrid welding device capable of reducing an influence of by-products such as spatters, plasma, plumes, and fume, and reducing contamination of a laser optical system and welding defects is provided.
Katsura OWAKI, Isao KAWAGUCHI, Satomi MAKI, Hiroki MATSUO, Takahiro AKIZUKI, Naoya SAWADA
Filed: 15 May 19
Utility
Guide information display device, crane equipped with same, and guide information display method
10 Aug 21
To accurately present information about the shape and location of a hoisting load and an object located near the hoisting load, regardless of the orientation and operational state of the crane.
Takayuki Kosaka, Iwao Ishikawa, Satoshi Kubota, Shigenori Tanaka, Kenji Nakamura, Yuhei Yamamoto, Masaya Nakahara
Filed: 19 Jul 18
Utility
Crane and Information-sharing System
5 Aug 21
The present invention addresses the problem of providing a crane and an information-sharing system with which it is possible to: display information pertaining to an entire range of operations, including a range of operations outside of an imaging region of a camera; and share, between a plurality of operators, information input in the entire range of operations.
Hiroyuki HAYASHI
Filed: 1 Aug 19
Utility
Performance Information Server, Client Terminal, Work Machine, Method for Acquiring Performance Information, and Method for Providing Performance Information
29 Jul 21
A performance information server comprises: a request acquisition unit that acquires a request including machine-type information for a work machine, and a performance information request to indicate performance information for the work machine; a storage unit that stores specification data for the work machine in association with the type of the work machine; a control unit that acquires the machine type information included in the request and the performance information for the work machine, on the basis of the specification data corresponding to the machine type information; and a response presentation unit that presents a response including the performance information acquired by the control unit.
Hideki YODAWARA, Toshihisa AOKI, Shozo HIRATA, Shunsuke UENO
Filed: 2 Aug 19
Utility
Crane
22 Jul 21
Provided is a crane (1) comprising: a boom (7) capable of being raised, lowered, and telescoped; a wire rope (8) being suspended from the boom (7); a winch (9) for winding and unwinding the wire rope (8); and a hook (10) being raised and lowered by the winding and unwinding of the wire rope (8).
Hiroyuki HAYASHI
Filed: 8 Mar 19
Utility
Operation Assistance Module, Image Generation Application, and Work Machine
22 Jul 21
An operation assistance module operates in coordination with an operation control unit that controls the actions of a work machine, or with an operation control unit of an image generation application that controls the actions of an image of the work machine displayed on a display unit, wherein the operation assistance module has: a request issuance unit that transmits, to a performance information server, a request including machine type information for a work machine and a performance information request to indicate performance information for the work machine; a response acquisition unit that receives from the performance information server a response including the requested performance information; and an operation assistance unit that reflects the acquired performance information in the control of the operation control unit.
Hideki YODAWARA, Toshihisa AOKI, Shozo HIRATA, Shunsuke UENO
Filed: 2 Aug 19
Utility
Crane
15 Jul 21
The present invention addresses the problem of providing a crane that can ascertain the state of an area surrounding a hook or a cargo suspended on the hook and that can simultaneously ascertain a braking distance during stopping operations.
Kazuma MIZUKI, Hiroyuki HAYASHI
Filed: 27 May 19
Utility
Crane vehicle
6 Jul 21
A rough terrain crane is equipped with dashboard cameras and digital cameras for capturing bird's-eye view image thereof.
Hajime Sembo
Filed: 18 Oct 17