Mitsubishi Heavy Industries Limited

Tetsuhei Kobayashi

Shin Asano

Kazuhisa Tamura

Yosuke Mukai

Tomofumi Shintani

Sho Onodera

Kensuke Futahashi

Hiroyasu Aruga

Yuji Yoshida

Tatsuya Sato

Megumu Tsuruta

Naoto Kawauchi

Hiroto Akitaya

Kazuma Otaka

A forklift includes a vehicle including a pair of straddle legs extending forward from a lower part of a vehicle body and provided at an interval in a vehicle width direction, a cargo handling device including a mast provided between the pair of straddle legs and extending in an up-down direction, a lift bracket provided at the mast such that the lift bracket is capable of being raised and lowered, and a pair of forks extending forward from the lift bracket, a reach mechanism including an advance/retract drive unit capable of performing advance/retract drive in a front-back direction on each of the pair of straddle legs, and a coupling portion coupling the mast and the advance/retract drive unit, in which the coupling portion includes a protrusion provided at one of the advance/retract drive unit and the mast and extending in the up-down direction toward the other of the advance/retract drive unit and the mast, and an accommodating portion provided at the other of the advance/retract drive unit and the mast and including an accommodating hole into which the protrusion is inserted from the up-down direction with a gap.

Forklift

A movable body is a tricyclic movable body automatically moving and includes: a first steering wheel steerable but not drivable; a second steering wheel steerable but not drivable and provided on a side in a first direction with respect to the first steering wheel; and a drive wheel steerable and drivable and provided on a side in a second direction orthogonal to the first direction with respect to the first steering wheel and the second steering wheel.

Movable body, method for controlling movable body, and non-transitory computer readable storage medium storing program

A machining position correcting device is configured to be applied to an electrochemical machining device configured to make an electrolyte flow out of a distal end part of an electrode bar extending along an axis while rotating the electrode bar about the axis to electrochemically machine a material to be machined in a range from the distal end part of the electrode bar. The machining position correcting device includes a position detector configured to detect a rotational position of a feature point of the electrode bar.

Machining position correcting device and electrochemical machining device

A measurement system is for measuring positions of a plurality of subjects by using an ultrasonic testing sensor. The measurement system includes an ideal arcuate waveform creation unit configured to create, for each of the subjects, an ideal arcuate waveform of a measurement result of the ultrasonic testing sensor based on machining position information on the subject; a measurement arcuate waveform creation unit configured to create a measurement arcuate waveform based on the measurement result; a position estimation unit configured to collate the ideal arcuate waveform and the measurement arcuate waveform with each other to estimate a position of the subject from the measurement arcuate waveform determined to correspond to any ideal arcuate waveform; and an antiphase waveform addition unit configured to add, to the measurement arcuate waveform, a waveform in antiphase to the measurement arcuate waveform with which the position of the subject has been estimated.

Measurement system, machining system, measurement method, and computer-readable recording medium

Provided is an underwater floating-type ocean current power generation device whereby cyclical directional vibration of a floating body of the ocean current power generation device, caused by shadow moment, can be suppressed. An underwater floating type ocean current power generation device includes ocean current power generation device main bodies, each including a rotor of a power generator housed in a nacelle, and a structure. The rotor is configured to be driven by a rotary blade protruding outward from the nacelle. A twin drum floating body capable of floating underwater is constituted by the structure and the ocean current power generation device main bodies joined to the left and right of the structure. The underwater floating type ocean current power generation device is moored to an ocean floor by a mooring rope.

Underwater floating-type ocean current power generation device

An ocean current electric power generator includes a mechanical brake that restricts a rotation of a rotor shaft of a rotatable wing, and a power transmission mechanism that is disposed between the rotor shaft and an electric power generator. The power transmission mechanism includes a switching section that switches between a power transmission state and a power disconnection state, a load application section that applies a rotation load on the rotor shaft during the power disconnection state, and a speed varying section that varies a revolution speed of the rotor shaft, and transmits the revolution to the electric power generator during the power transmission state.

Method of actuating an ocean current electric power generator and an actuation control apparatus

In order to easily form curved holes and straight holes of desired shapes, an electrochemical machining tool of the present invention comprises a tool body including: an electrode made from an electrically conductive material in a cylindrical shape extending along an axial line and having flexibility, an electrolytic solution flowing through an internal flow channel of the electrode toward a tip side; and an insulating layer coated on an outer circumferential face of the electrode so as to expose the tip of the electrode. A fluid outflow hole is formed in the tool body, passing through the tool body in a radial direction and guiding the electrolytic solution flowing through the flow channel outward in the radial direction, and the electrochemical machining tool further comprises a tube-shaped member selectively opening and closing the fluid outflow hole.

Electrochemical machining tool and electrochemical machining system

Provided is an electrochemical machining apparatus, which includes an electrode () that form of a shape which a tube shape is extended, including a flexible conductive material, and is which an electrolyte (W) circulates from a base end side () thereof toward a distal end side () thereof, a current supply unit () that causes electric current to flow with respect to the electrode () in an extending direction (direction running the Y direction) in which the electrode () extends, and a magnetic field generation unit () that includes at least one pair of magnets () which are disposed to face the electrodes () a direction and apply a magnetic field in a direction (X direction) intersecting the extending direction with respect to the electrodes ().

Electrochemical machining apparatus

An electrochemical machining tool () includes a tool body () which has an electrode () which is made of a flexible conductive material having a cylindrical shape extending along an axis (O), and inside which an electrolyte (W) flows toward a leading end () side, and an insulating layer () coated on an outer circumferential surface of the electrode () to expose a leading end surface of the electrode (), wherein a non-insulation section () which exposes the outer circumferential surface of the electrode () is formed on the tool body (), and the non-insulation section () is surrounded by the insulating layer () from an axial (O) direction.

Electrochemical machining tool, electrochemical machining system, and method for manufacturing perforated member

The present invention is an electrochemical machining tool equipped with a tool body that comprises: an electrode that extends along an axial line and inside which a flow channel through which an electrolytic solution flows towards the tip end is formed; an insulating layer covering the outer circumferential surface of the electrode so as to expose the tip end face of the electrode; and a flow channel-partitioning part for partitioning the flow channel into a first flow channel containing the axial line and a second flow channel positioned on the outer circumferential side of the first flow channel. The electrochemical machining tool has a configuration in which a fluid outflow section for directing electrolytic solution, which is flowing through the second flow channel, outward in the radial direction of the tool body is formed on a portion of the circumference of the tool body.

Electrochemical machining tool, electrochemical machining system, and perforated member manufacturing method

An electrochemical machining tool includes a tool main body which includes an electrode having a tubular shape extending along an axis and formed of a conductive material having flexibility, the electrode through which an electrolyte flows toward a distal end side, and an insulating layer coated on an outer circumferential surface of the electrode so as to expose a distal end surface of the electrode. In the electrochemical machining tool, a hole part serving as a fluid discharge part configured to discharge the electrolyte flowing through inside of the electrode toward the outside in the radial direction of the tool main body is formed at a portion of a position in the circumferential direction of the tool main body.

Growing community of inventors

Tokyo, Japan

Tetsuhei Kobayashi