Mitsubishi Heavy Industries Limited

Mitsubishi Nichiyu Forklift Co., Ltd.

Mitsubishi Hitachi Power Systems, Ltd.

Megumu Tsuruta

Kensuke Futahashi

Noriyuki Hasegawa

Naoto Kawauchi

Takashi Shibutani

Fumiyuki Suzuki

Tatsuya Sato

Masaki Hata

Kosuke Owatari

Masayuki Ishikawa

Keiji Ito

Shin Asano

Yoshitomo Noda

Yusuke Kinouchi

Takumi Hori

Tetsuhei Kobayashi

Yasuo Fujishima

Atsushi Sugai

Shingo Nishida

Kiyomitsu Ogawa

Masataka Kawaguchi

Tamiaki Nakazawa

Sho Onodera

Kensuke Nishiura

Kengo Imaoka

Yu Shibata

Yukiharu Yamasaki

Keitaro Kamata

Ryokichi Hombo

Kentarou Saeki

Shota Hosoi

Ei Onogawa

Takuya Nakada

Mitsuhisa Kawabe

Yusuke Otaki

Tomoya Okuda

Naohito Hashimoto

Toshikazu Ueda

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 forklift includes a vehicle and a cargo handling device. The cargo handling device includes a mast, a lift bracket, and a pair of forks that includes claw portions, the forks being separated from each other in a vehicle width direction. The vehicle includes a vehicle main body, and a pair of straddle legs that is provided such that the straddle legs extend to the front side from a lower portion of the vehicle main body and the cargo handling device is interposed between the straddle legs in the vehicle width direction and that supports the mast such that the cargo handling device is movable forward and backward between an advance position and a retreat position, and front ends of the claw portions are positioned behind front ends of the straddle legs when the cargo handling device is at the retreat position.

Forklift, cargo handling system, loading method, and forklift control device

This steam valve includes a valve casing, a valve body, a valve stem, an actuator, a heat buffer member, a link mechanism, and a link base. The heat buffer member includes: a heat buffer plate separated toward a leading end side from the valve casing in an axial direction in which the valve stem extends; and a support column that fixes the heat buffer plate to the valve casing so as to be incapable of relative movement. The actuator includes: an actuator casing; and an actuator rod that extends in the axial direction from in the actuator casing and that moves in the axial direction with respect to the actuator casing. The link base is fixed to the heat buffer member and extends from the heat buffer member in an axial perpendicular direction that is perpendicular to the axial direction. The actuator casing is fixed to the link base.

Steam valve, and steam turbine equipment comprising same

A steam valve having a first inclined surface, which is formed at the distal end portion of a valve rod and in which the outer diameter of the valve rod increases from the distal end toward the base end of the valve rod, and a second inclined surface, which is formed on the inside of a portion of a main valve that is positioned on the base-end side of the valve rod and which inclines with the same inclination angle as the first inclined surface. In a state in which a slave valve and the main valve are closed the first inclined surface and the second inclined surface are separated from each other, and when the slave valve and the main valve are in a fully open state the first inclined surface and the second inclined surface abut each other.

Steam valve and power generation system

A forklift apparatus includes: an error prediction unit configured to predict a first positional error which is a positional error after picking-up between a standard position of a fork and a central position of a pallet on the fork after the pallet is picked up and a first angle error which is an angle error after picking-up with respect to the fork in the pallet; a travel route correction unit configured to correct a travel route from a picking-up position of the pallet to a stacking position of the pallet to offset the first positional error and the first angle error when the pallet is stacked; and a conveyance travel control unit configured to perform travel control such that the pallet is conveyed along the corrected travel route.

Forklift apparatus, forklift control method, and non-transitory computer-readable medium

A steam valve has a tubular stop valve configured to move toward an upper end side and a lower end side along an axial direction when the stop valve is opened and closed respectively; and a valve main body configured to accommodate the stop valve. The stop valve has a ring-shaped protrusion portion protruded outwardly in a radial direction. The valve main body has an accommodation space for accommodating the protrusion portion which is divided by the protrusion portion into a first pressure space and a second pressure space. First and second feed/discharge portions configured for adjusting a pressure in the first pressure space and the second pressure space respectively are further provided. The protrusion portion is moved upwardly and downwardly by adjusting the pressure in the first pressure space and the second pressure space.

Steam valve, power generation system, and inspection method for steam valve

A steam valve has a tubular stop valve configured to move toward an upper/lower end side along a direction of an axis when the stop valve is opened/closed; and a valve main body accommodating the stop valve, wherein a base end portion including an end portion of the stop valve at the upper end side is accommodated in a first accommodation space formed in the valve main body, the base end portion has a plurality of inclination surfaces formed on an outer circumference of the base end portion which are inclined such that a distance from the axis to each of the plurality of inclination surfaces decreases toward the upper end side, and a plurality of contact surfaces are formed in the first accommodation space to come in contact with the plurality of inclination surfaces respectively when the stop valve moves toward the upper end side.

Steam valve, and power generation system

Provided is a workpiece retention device that retains a frame which includes a workpiece main body and a lip flange and a base flange that are provided to the workpiece main body, wherein: the workpiece retention device comprises a plurality of grippers that are aligned in the lengthwise direction of the frame, and a horizontal movement mechanism and a vertical movement mechanism that move the plurality of grippers; the gripper each include: a lower block, a workpiece support pin that is provided to the lower block and that supports the frame, an upper block that can move toward the base flange of the supported frame, a block movement mechanism that moves the upper block; and a suction mechanism that is provided to the upper block and that suctions the workpiece main body on the base flange side.

Workpiece retention device and workpiece retention method

A forklift includes a forklift body having a front wheel and a rear wheel, a fork supported to the front of the forklift body so as to be capable of moving vertically via a mast, a lift cylinder capable of moving the fork up and down, a hydraulic pressure supply line capable of supplying hydraulic pressure to a head-side chamber in the lift cylinder, a hydraulic pressure exhaust line capable of exhausting hydraulic pressure from a rod-side chamber in the lift cylinder, and a changeover valve provided on the hydraulic pressure exhaust line, wherein a control device changes a pressure balance between hydraulic pressure on the head-side chamber and hydraulic pressure on the rod-side chamber in the lift cylinder by the changeover valve to restrict the operation of the lift cylinder, when a weight of a load on the fork exceeds a limit load weight.

The present invention has a cooling unit () as a temperature gradient formation unit for forming a temperature gradient in which the temperature is lowered in the direction from one surface () of a semi-cured prepreg sheet () layered on a top surface () of a layered body () toward the other surface () of a release sheet (), in a first region (C) of a layered sheet () located upstream from a first roller ().

Device for automatically layering prepreg sheets and method for layering prepreg sheets

This compactor includes first rollers having first roller surfaces that press a laminated sheet from the second surface side of a release sheet, the first rollers being disposed separated from each other; and a second roller having a second roller surface that presses the laminated sheet from the second surface side of the release sheet, the second roller being disposed such that the second roller surface faces a gap provided between the first rollers.

Compactor and prepreg sheet automatic lamination device

A steam turbine casing position adjusting apparatus capable of employing a compact low-resolution actuator is provided. A steam turbine casing position adjusting apparatusincludes turbine casingsand, a rotor, and actuatorsandthat move the turbine casingsandin the axial direction. The actuatorsandare disposed radially outside outer peripheries forming the turbine casingsand

Steam turbine casing position adjusting apparatus

A forklift () according to the present invention includes: an engine (); a hydraulically-operated device for cargo handling (); a pump for cargo handling () that is driven by the engine (); hydraulic piping for cargo handling () that connects the pump for cargo handling () and the hydraulically-operated device for cargo handling (); discharge piping () that branches from the hydraulic piping for cargo handling () and is connected to a tank (); a switching valve () capable of switching the opening and closing of the discharge piping (); a control device () that closes the discharge piping () when the rotation speed of the engine () is larger than a predetermined value, and opens the discharge piping () when the rotation speed of the engine () is less than or equal to a predetermined value; and a sub-relief valve () that adjusts the flow rate of hydraulic oil that is discharged from the discharge piping () to the tank (), on the bases of the pressure or the flow rate of the hydraulic oil.

Industrial vehicle

In a vehicle and a method of controlling the same, a controller determines whether an idle-stop condition is satisfied or not when an engine is driven, and stops idling of the engine when it is determined that the idle-stop condition is satisfied. In addition, while the idling of the engine is stopped, when an operation order given to a fork driving cylinder by manipulation of a cargo handling lever is received, the controller starts the engine, and switches an oil pump for cargo handling of the fork driving cylinder to an on-load state before an engine revolution number reaches an idling revolution number region.

Growing community of inventors

Tokyo, Japan

Megumu Tsuruta