169 patents
Page 4 of 9
Utility
Work Machine
2 Jun 22
This work machine includes: an actuator that extends and retracts a telescopic boom; an electric drive source that is provided in the actuator and drives using power supplied from a power source; an operating unit that operates based on power of the electric drive source; an electric circuit capable of switching between a drive state in which a supply of power from the power source to the electric drive source is allowed to drive the electric drive source, and a braking state in which the supply of power from the power source to the electric drive source stops to generate a braking force to be applied to the electric drive source; and a control unit that controls the switching between the drive state and the braking state.
Masahide ZUSHI, Kazu NAGAHAMA, Toshihiko FUKUOKA, Manato SHIRAI
Filed: 3 Apr 20
Utility
Work Machine
2 Jun 22
A work machine includes: an actuator that extends and retracts a telescopic boom; an electric drive source that is provided in the actuator and drives using power supplied from a power source; an operating unit that operates based on power of the electric drive source; and a joint that has a drive-side element fixed to a first transmission shaft that rotates on the basis of the power of the electric drive source and a driven-side element fixed to a second transmission shaft connected to the operating unit, the joint being able to take a transmission state in which both the drive-side element and the driven-side element rotate and a non-transmission state in which only either the drive-side element or the driven-side element rotates.
Masahide ZUSHI, Kazu NAGAHAMA, Toshihiko FUKUOKA, Manato SHIRAI
Filed: 3 Apr 20
Design
Operation device for crane
31 May 22
Nanami Ikeuchi, Kazue Inoshita, Makoto Tsuji, Kazunori Koishi, Mami Nagata
Filed: 28 Sep 20
Utility
Crane Control Method, and Crane
28 Apr 22
There is provided a crane control method whereby shaking of a load can be suppressed when automatically transporting the load along a set transport path using a crane; and a crane that is controllable by this control method.
Yoshimasa MINAMI
Filed: 27 Mar 20
Utility
Remote operation terminal and work vehicle provided with remote operation terminal
5 Apr 22
A remote operation terminal is provided with: a terminal-side control device configured so as to be capable of communicating with a control device, the terminal-side control device being a control unit for controlling the actuation of the remote operation terminal; a suspended load movement operation tool, which is a first operation unit for remotely operating a crane device; and a reference change operation tool, which is a second operation unit for setting an operation direction reference of the suspended load movement operation tool in relation to a vehicle direction reference of a crane.
Hiroyuki Hayashi
Filed: 15 Dec 17
Utility
Dynamic Lift-off Control Device, and Crane
31 Mar 22
The present invention provides a dynamic lift-off control device and a crane with which it is possible to quickly perform dynamic lift-off of a suspended load while suppressing vibration of the load.
Yoshimasa MINAMI, Hiroshi YAMAUCHI, Shohei NAKAOKA
Filed: 14 Feb 20
Utility
Lifting Control Device and Mobile Crane
31 Mar 22
Provided is a lifting control device that can quickly make lifting determinations while suppressing load vibration.
Yoshimasa MINAMI
Filed: 14 Feb 20
Utility
Crane and Path Generation System
31 Mar 22
Provided are a crane and a path generation system that can generate a transport path capable of avoiding an obstacle even. if the obstacle moves.
Hiroshi YAMAUCHI, Yoshimasa MINAMI, Soichiro FUKAMACHI, Kazuma MIZUKI, Shohei NAKAOKA
Filed: 5 Feb 20
Utility
Dynamic-lift-off Determination Device, Dynamic-lift-off Control Device, Mobile Crane, and Dynamic-lift-off Determination Method
17 Mar 22
Provided is a dynamic-lift-off determination device capable of quickly performing a dynamic-lift-off determination by a simple method, while suppressing swinging of a load.
Yoshimasa MINAMI
Filed: 14 Feb 20
Utility
Crane Control Method and Crane
17 Mar 22
The present invention addresses the problem of providing: a crane control method whereby, during automatic transportation of a load along a preset transport route using a crane, it is possible to reliably transport the load along the route; and a crane that can be controlled by the crane control method.
Yoshimasa MINAMI, Shinsuke KANDA
Filed: 27 Mar 20
Utility
Outrigger Control Device
10 Mar 22
An outrigger control device (A1) includes: a plurality of outriggers (30) that is provided in a traveling body (10) and extendable/contractible between a non-grounding state where the traveling body is not supported and a grounding state where the traveling body is supported; an inclination sensor (310) that is provided in the traveling body and can detect inclination of the traveling body; and a controller (100) that controls an extension/contraction action of each outrigger and acquires a detection signal of the inclination sensor (310).
Keita MASHIMA, Shinsuke KANDA
Filed: 14 Feb 20
Utility
Data point group clustering method, guide information display device, and crane
8 Mar 22
Provided is a method for clustering the data point groups of one or more measurement targets located in the same region from among the acquired data point groups.
Takayuki Kosaka, Iwao Ishikawa, Satoshi Kubota, Shigenori Tanaka, Kenji Nakamura, Yuhei Yamamoto, Masaya Nakahara
Filed: 19 Jul 18
Utility
Crane
8 Mar 22
This crane is provided with: a operable functional unit; an operation unit for receiving an operation input for operating the operable functional unit; an actuator that drives the operable functional unit; a first generation unit that generates a first control signal for the actuator on the basis of the operation input; a switch unit that can be switched between a first state and a second state; a first filter unit that filters the first control signal to generate a second control signal when the switch unit is in the second state; and a control unit that controls the actuator on the basis of the first control signal when the switch unit is in the first state, and controls the actuator on the basis of the second control signal when the switch unit is in the second state.
Tomokazu Goto, Shinsuke Kanda, Kazuma Mizuki
Filed: 28 Feb 19
Utility
Crane
3 Mar 22
The present invention addresses the problem of providing a crane capable of detecting a suspension location of a payload, in order to enable accurate positioning of a hook at the suspension location of the payload.
Yoshimasa MINAMI
Filed: 21 Jan 20
Utility
Work Vehicle
24 Feb 22
A work vehicle includes: an operation tool that is operated by an operator; and a controller that determines a target flow rate for hydraulic oil fed to a hydraulic device on a basis of the amount of operation of the operation tool.
Kazushi SANADA, Kazuya TANIZUMI, Shinji NOGUCHI, Naoto KAWABUCHI
Filed: 21 Feb 20
Utility
Ground Surface Estimation Method, Measurement Area Display System, and Crane
20 Jan 22
A ground surface estimation method include: performing first estimation in which the continuous region having a largest number of the grids among the continuous regions is estimated as a ground surface; and performing second estimation including: calculating an average altitude value of the representative point of the grids in the non-adjacent continuous region for each of the non-adjacent continuous regions; calculating an average altitude value of the representative point of the grids in the predetermined range of the continuous region estimated as the ground surface; and estimating that a non-adjacent continuous region as the ground surface when a difference between the average altitude value of the representative point of the grids in the non-adjacent continuous region and the average altitude value of the representative point of the grids in a predetermined range of the continuous region estimated as the ground surface is equal to or less than a threshold.
Iwao ISHIKAWA, Takayuki KOSAKA, Satoshi KUBOTA, Shigenori TANAKA, Kenji NAKAMURA, Yuhei YAMAMOTO, Masaya NAKAHARA
Filed: 9 Dec 19
Utility
Crane Device, Method for Determining Number of Falls, and Computer Readable Non-transitory Recording Medium
13 Jan 22
A crane device is capable of setting multiple types of number of rope falls between a tip of a boom and a hook block, and includes: a feed length detection unit that detects a feed length of a rope fed from a winch on which the rope is wound; a boom angle detection unit that detects a boom hoist angle; and a number-of-falls determination unit that calculates information for determining the suitability of the number of falls for the rope on the basis of the feed length, hoist angle, boom length of the boom in a state of hoisting a grounded load.
Kazunari NOGUCHI, Keisuke TAMAKI
Filed: 21 Oct 19
Utility
Ground Surface Estimation Method, Measurement Region Display System, and Crane
6 Jan 22
A ground surface estimation method includes: a continuous region recognizing step for recognizing, when a difference in altitude value between a representative point of one grid and a representative point of another adjacent grid out of the plurality of grids is equal to or less than a threshold, the one grid and the other adjacent grid as a continuous region that is a region where the one grid and the other adjacent grid are continuous; and a ground surface estimation step for estimating a continuous region having the largest number of grids among the continuous regions as a ground surface.
Iwao ISHIKAWA, Takayuki KOSAKA, Satoshi KUBOTA, Shigenori TANAKA, Kenji NAKAMURA, Yuhei YAMAMOTO, Masaya NAKAHARA
Filed: 9 Dec 19
Utility
Work Vehicle
6 Jan 22
A crane vehicle capable of preventing another vehicle from coming into contact with a tip end portion of a boom when entering an intersection includes a controller that detects an obstacle on a lateral side of a tip end portion of a boom by using left and right cameras when the vehicle enters an intersection or the like.
Satoshi Tanii, Kazuaki Tsuda
Filed: 29 Nov 19
Utility
Crane
14 Dec 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