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Komatsu Ltd patents


Recent patent applications related to Komatsu Ltd. Komatsu Ltd is listed as an Agent/Assignee. Note: Komatsu Ltd may have other listings under different names/spellings. We're not affiliated with Komatsu Ltd, we're just tracking patents.

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Work vehicle and controlling work vehicle

An articulated work vehicle with linked front and rear frames includes a hydraulic actuator, a joystick lever operated by an operator, a control valve, a force imparting component, and a controller. The hydraulic actuator is driven hydraulically to change a steering angle of the front frame with respect to the... Komatsu Ltd

Vertically-movable steps for working vehicles

A ladder includes: a front connecting member and a rear connecting member at a top step, respective upper ends of which are connected to a lateral side of a vehicle body in a pivotally movable manner and are juxtaposed with a predetermined space therebetween in a vehicle front-back direction; a... Komatsu Ltd

Working machine

A work machine includes plural cameras, a display unit and a controller controlling the cameras and the display unit. The controller includes an overview image generator generating an overview image from the images by the cameras, an image superimposing unit superimposing a top view image of the work machine on... Komatsu Ltd

Work vehicle and controlling work vehicle

An articulated work vehicle with linked front and rear frames includes a joystick lever, a force imparting component, a speed sensor, and a controller. The joystick lever is configured to change a steering angle of the front frame with respect to the rear frame by operation by an operator. The... Komatsu Ltd

Control system for work vehicle, control method, and work vehicle

A controller is configured to acquire current terrain information indicating the current terrain in the travel direction of a work vehicle. the controller is configured to generate an inclined virtual surface extending form the current position of the work vehicle. The controller is configured to decide the soil volume of... Komatsu Ltd

Control system for work vehicle, control method, and work vehicle

A terrain information acquisition device acquires terrain information about a work site. A controller is configured to decide an inclination angle of the current terrain along a travel direction of the work vehicle from the terrain information. The controller is configured to decide a virtual design surface that is inclined... Komatsu Ltd

Control system for work vehicle, control method, and work vehicle

A current terrain acquisition device acquires current terrain information indicating the current terrain to be worked. A controller is configured to decide a virtual design surface that is located below the current terrain and has an inclination angle. The controller is configured to generate a command signal to the work... Komatsu Ltd

Control system for work vehicle, control method, and work vehicle

A current terrain acquisition device acquires current terrain information indicating a current terrain to be worked. A controller is configured to generate an inclined virtual surface extending from a current position of the work vehicle. The controller is configured to decide an estimated held soil volume of a work implement... Komatsu Ltd

Control system for work vehicle, control method, and work vehicle

A current terrain acquisition device acquires current terrain information. The current terrain information indicates the current terrain to be worked, and includes the height of the current terrain at a plurality of points. A controller is configured to decide the smoothed height for each of the plurality of points. The... Komatsu Ltd

Component information management system and component information management method

A parts information management system includes an identification device attached to a target part at an installation position and storing parts information for identifying the target part, a communication device communicating with the identification device to acquire the parts information, a transmitter transmitting acquisition information, and a management apparatus managing... Komatsu Ltd

Tractor

A tractor includes an air cleaner and a passageway arranged to surround the air cleaner. Alternatively, tractor includes a maintenance equipment, an engine, a top plate covering the engine, and a floor section disposed at a position lower than the top plate and in a non-overlapping position with the engine... Komatsu Ltd

Work vehicle and controlling operation

A work vehicle detects pressure of hydraulic oil supplied to an arm cylinder. The work vehicle determines operation details for an arm. The work vehicle includes a relief valve capable of setting a relief pressure of hydraulic oil in a hydraulic circuit at one of a first set pressure and... Komatsu Ltd

Control system, work machine, and control method

A control system includes a cylinder pressure data acquisition unit that acquires cylinder pressure data indicating a pressure of operating oil of a hydraulic cylinder; an operation amount data acquisition unit that acquires operation amount data of an operating device; a pump flow rate calculation unit that calculates a first... Komatsu Ltd

Hydraulic servo device and turbocharger

A hydraulic servo device includes: a servo piston configured to move in an axial direction with respect to a device main body; and a stroke sensor configured to detect an amount of movement of the servo piston with respect to the device main body. The hydraulic servo device is configured... Komatsu Ltd

Work vehicle, monitoring system for work vehicle, and tracked work vehicle

A work vehicle includes a rotary member, a support member, a sealing ring, a pressure controller, and a vehicle speed determination component. The rotary member has a first hydraulic fluid supply channel to supply the hydraulic fluid to the steering clutch, and is rotated by power from the transmission when... Komatsu Ltd

Work vehicle and ripper device

A ripper device includes a first cylinder, a shank, and an arm. The first cylinder includes a tube and a rod, and is disposed to extend and retract in the forward and backward direction in a plan view of the ripper device. The shank is disposed aligned with the first... Komatsu Ltd

Control system for work vehicle, control method, and work vehicle

A control system for a work vehicle includes an acceleration detection device and a controller. The acceleration detection device detects an acceleration of the work vehicle. The controller determines whether the acceleration is greater than a first threshold and reduces the a vehicle speed when the acceleration continues to be... Komatsu Ltd

Control system for work vehicle, control method, and work vehicle

A control system for a work vehicle includes at least one sensor, an operating device, and a controller. The operating device includes at least one operating member. The controller is programmed to control a work implement of the work vehicle based on signals from the at least one sensor and... Komatsu Ltd

Hydraulic excavator

A hydraulic excavator includes an upper revolving unit revolvably mounted on a lower traveling unit. A counterweight is disposed on a rear end part of the upper revolving unit. A structure is disposed in front of the counterweight on the upper revolving unit. An upper surface of the structure has... Komatsu Ltd

Work vehicle and work vehicle control method

A method of controlling a work vehicle including a steering cylinder operating a steering wheel by hydraulic oil supplied thereto, a steering member receiving an input for operating the steering wheel, and a steering valve unit which is connected to the steering member and supplies the hydraulic oil to the... Komatsu Ltd

Construction machine control system, construction machine, and construction machine control method

A construction machine control system includes: a target construction ground shape generation unit generating a target construction ground shape indicating a target shape of an excavation target; a tilting data calculation unit calculating tilting data of a bucket tilted about a tilting axis; a regulation point position data calculation unit... Komatsu Ltd

Construction machine control system, construction machine, and construction machine control method

A construction machine control system includes: a target construction ground shape generation unit which generates a target construction ground shape indicating a target shape of an excavation target; a working device control instruction determination unit which outputs an instruction for driving the working device in a working device operation plane... Komatsu Ltd

Work machine control system, work machine, and work machine control method

A work machine control system that controls a work machine including a working device having a working tool that rotates about a shaft line includes: a target construction shape generation unit that generates a target construction shape indicating a target shape of a construction target of the work machine; a... Komatsu Ltd

Work machine control system, work machine, and work machine control method

A work machine control system that controls a work machine including a member that rotates about a shaft line includes a target construction shape generation unit that generates a target construction shape indicating a target shape of a construction target of the work machine; and a determination unit that outputs... Komatsu Ltd

Work vehicle

Lift cylinder is attached to a center part of a vehicle body in a vehicle width direction. The lift cylinder causes a work implement to move up and down. A supporting member is attached to the center part of the vehicle body in the vehicle width direction and extends upward... Komatsu Ltd

Cylinder rod

The cylinder rod of a hydraulic cylinder includes a body portion having a bar shape, and a head portion arranged at a longitudinal end of the body portion. The body portion has a coating formed on its outer peripheral surface. The coating includes, in terms of area ratio in cross... Komatsu Ltd

Work vehicle

An access device is configured to be switched between a stored state in which an access member is stored in a vehicle body and a deployed state in which the access member is deployed. In the stored state, an exterior cover becomes a portion of the an exterior surface of... Komatsu Ltd

Work vehicle and ripper device

A ripper device for a work vehicle includes a first cylinder, a shank, and a second cylinder. The shank is actuated by the first cylinder and is aligned with the first cylinder in plan view. The second cylinder includes a proximal end attached to the work vehicle and a distal... Komatsu Ltd

Reducing agent supply device and controlling reducing agent supply device

A reduction-causing agent supply device includes a tank to store a reduction-causing agent, a pumping unit to pump the reduction-causing agent, a reduction-causing agent supply passage to supply the reduction-causing agent, an injection nozzle to inject the reduction-causing agent into an exhaust pipe, a drawing-back unit to draw the reduction-causing... Komatsu Ltd

Work vehicle

A work vehicle includes a vehicle body, a travel device, a driving source, and a cooling device. The travel device is provided below the vehicle body. The driving source is disposed in a front part of the vehicle body. The driving source generates driving power for the travel device. The... Komatsu Ltd

Posture calculation device of working machinery, posture calculation device of excavator, and working machinery

A posture calculation device of working machinery includes: a measuring device configured to detect an angle speed and acceleration; a posture angle calculation unit configured to obtain a posture angle of the working machinery from the detected angle speed and the detected acceleration; a first complementary filter to which a... Komatsu Ltd

Operator's compartment of work machine, and work machine

A support member has a first wing plate and a second wing plate coupled to the first wing plate to be pivotable relative to the first wing plate. A fixing member fixes the first wing plate to an opening member from an external space external to an operator's compartment and... Komatsu Ltd

Work machine management apparatus

A work machine management apparatus includes: a switchback point setting unit configured to set a plurality of switchback points of a work machine in a work place of a mine; a work point setting unit configured to set at least one work point of the work machine in the work... Komatsu Ltd

Work machine management apparatus

A work machine management apparatus includes: a switchback point setting unit configured to set at least one switchback point of a work machine in a work place of a mine; a work point setting unit configured to set a plurality of work points of the work machine; a travel track... Komatsu Ltd

Surrounding monitoring device of work machine and monitoring surroundings of work machine

A surrounding monitoring device of a work machine includes: a display unit; a plurality of cameras acquiring a surrounding condition of the work machine; an image processing unit generating a bird's-eye image indicating the surrounding condition of the work machine on the basis of images imaged by the cameras; a... Komatsu Ltd

10/19/17 / #20170296947

Strainer device

A strainer device includes a strainer element; a first lid member that covers an upper opening of the strainer element; a second lid member that covers a lower opening of the strainer element and has a fitting hole in a portion surrounded by the strainer element; a delivery pipe protruding... Komatsu Ltd

10/19/17 / #20170298591

Wheel loader

A wheel loader includes: an operating state detecting unit detecting an operating state; a target setting unit setting a relationship between a target position of a working equipment and a travel distance of the wheel loader for the operating state detected by the operating state detecting unit; a travel distance... Komatsu Ltd

10/19/17 / #20170298595

Surrounding monitoring device for work machine

A surrounding monitoring device for a work machine including an work device on an upper swing body includes: a plurality of cameras configured to acquire a surrounding condition of the work machine; an image processing unit configured to generate a bird's-eye image based on images imaged by the plurality of... Komatsu Ltd

10/19/17 / #20170298992

System for acquiring identification information, and industrial vehicle

An identification device that is attached to a target component and stores identification information of the target component; and a first communication device and a second communication device that wirelessly communicate with the identification device. The second communication device holds and transmits the identification information acquired by the second communication... Komatsu Ltd

10/12/17 / #20170292247

Control system for work vehicle, control method and work vehicle

A control system for a work vehicle having a work implement includes a first operating lever for the work implement, a first operating member and a controller. The first operating member is provided on the first operating lever. The controller is configured to perform an automatic control of the work... Komatsu Ltd

10/12/17 / #20170294057

Identification information acquisition system and working vehicle

A identification information acquisition system provided in a working vehicle includes: a plurality of identification devices; and a plurality of communication devices that communicate with the plurality of identification devices. The plurality of communication devices include a first communication device and a second communication device, an operation of which is... Komatsu Ltd

10/12/17 / #20170294938

Communication system and work vehicle

A communication system provided to a working vehicle includes: an information receiving unit that communicates with identification devices and receives identification information; a first area information storage that stores first area information indicating an area where use of the information receiving unit is permitted; a comparing unit that compares the... Komatsu Ltd

10/05/17 / #20170282961

Work vehicle

A controller disables the motion of a steering cylinder brought about by a steering lever when an enabled state is selected via a lever switch and an instruction to start an engine is issued via a main switch.... Komatsu Ltd

10/05/17 / #20170284058

Cooling device and construction machine

A cooling device includes: an introduction pipe configured to introduce a charge air supercharged by a supercharger; a first aftercooler connected to the introduction pipe and configured to cool the charge air; a branch pipe branched from the introduction pipe; a second aftercooler connected to the branch pipe and configured... Komatsu Ltd

10/05/17 / #20170284066

Working vehicle

A working vehicle includes a vehicle main body to which a tire is mounted, an excavation member coupled to the vehicle main body on a front side of the vehicle main body and that includes an end part arranged on an outer side of the tire in a vehicle-width direction... Komatsu Ltd

10/05/17 / #20170284069

Surrounding monitoring device for work machine

A surrounding monitoring device for a work machine including a work device on an upper swing body includes: a plurality of cameras configured to acquire a surrounding condition of the work machine; an image processor configured to generate a bird's-eye image based on images imaged by the plurality of cameras;... Komatsu Ltd

10/05/17 / #20170284070

Control device for work machine, work machine, and controlling work machine

A control device for a work machine is a device for controlling a working unit of a work machine to excavate an object to be excavated. The control device includes a control unit for controlling the working unit to prevent a working implement of the working unit from crossing a... Komatsu Ltd

10/05/17 / #20170284071

Calibration system, work machine, and calibration method

A calibration system includes at least a pair of imaging devices in a work machine having a working unit that image an object; a position detector detecting a position of the working unit; and a processing unit that, by using first position information about a predetermined position of the working... Komatsu Ltd

10/05/17 / #20170284274

Dump truck

A dump truck includes: a vehicle body; a cooling fan (9A) disposed in front of the vehicle body in a travel direction; an engine (7) disposed behind the cooling fan (9A); a platform (8) covering the cooling fan (9A) and a top of the engine (7); an exhaust aftertreatment device... Komatsu Ltd

10/05/17 / #20170285657

Control system for work machine, work machine, and control work machine

A control system for a work machine includes a non-contact sensor, a position output device, a correction position calculation unit, and a control device. The non-contact sensor detects a periphery of a work machine. The position output device determines a position of the work machine based on at least a... Komatsu Ltd

10/05/17 / #20170285658

Work vehicle control system

A work vehicle control system controls a work vehicle having a braking device. The work vehicle control system includes a location information generating unit that obtains and outputs a location of the work vehicle, and a control unit that controls the braking device based on location information of the work... Komatsu Ltd

10/05/17 / #20170287651

Capacitor and capacitor module

An object of the present invention is to provide a capacitor and a capacitor module having a long life and capable of a stable action. Therefore, an electrolytic solution L obtained by dissolving an electrolyte salt having a lower hydrolyzability and a higher reaction potential in an electrode than an... Komatsu Ltd

09/28/17 / #20170274762

Work vehicle

A work vehicle includes a front wheel, a rear wheel, a liquid tank, a front-wheel fender, a rear-wheel fender, a floor portion, and an electric-component room. The front wheel, the rear wheel, and the liquid tank are supported by a vehicle body. The front-wheel fender is disposed to surround a... Komatsu Ltd

09/28/17 / #20170274896

Work vehicle and controlling same

A control unit in a work vehicle executes an automatic downshift for shifting a transmission from a current speed range to a speed range that is lower than the current speed range when at least a first condition, a second condition, a third condition, and a fourth condition are satisfied.... Komatsu Ltd

09/28/17 / #20170276055

Hydraulic pump/motor with rotation detection mechanism

A hydraulic pump/motor includes a rotational shaft rotatably attached inside a casing, a cylinder block configured to rotate together with the rotational shaft, a plurality of pistons, a swash plate, a valve plate, and a rotation detection mechanism. The rotation detection mechanism includes a detection target section having three or... Komatsu Ltd

09/28/17 / #20170277163

Communication system and work vehicle

A communication system provided in a working vehicle includes: an identification device that stores identification information; a communication device that outputs electric waves to communicate with the identification device; an ambient temperature judging unit that judges whether or not an ambient temperature of the environment in which the identification device... Komatsu Ltd

09/28/17 / #20170278425

Evaluation apparatus and evaluation method

An evaluation apparatus includes a detected data acquisition unit that acquires photograph data of a bucket of a work equipment, a first display control unit that displays the photograph data on a display screen of a display device, a second display control unit that displays on the display screen a... Komatsu Ltd

09/28/17 / #20170280048

Evaluation device

An evaluation device includes a first display control unit that displays imaging data acquired by an imaging device on a display screen of a display device, and a second display control unit that displays on the display screen a guide display based on work vehicle data on a work vehicle... Komatsu Ltd

09/21/17 / #20170268198

Control system for work vehicle, control method, and work vehicle

A distance obtaining unit obtains the distance between a work implement and a design terrain. A work aspect determining unit determines a work aspect by the work implement. A limit velocity deciding unit limits the velocity of the work implement when the distance between the work implement and the design... Komatsu Ltd

09/21/17 / #20170268204

Control system for work vehicle, control method, and work vehicle

A control deciding unit for deciding to execute a leveling control for controlling a work implement so that the work implement moves along a design terrain when a leveling determination condition is satisfied. The control deciding unit decides to execute a surface compaction control for limiting the velocity of the... Komatsu Ltd

09/14/17 / #20170260714

Bulldozer

A first grille member extends from the left side of the vehicular body toward the right side. A second grille member extends from the first grille member further toward the right side. A first pivot shaft is provided at the left side of the vehicular body. The first pivot shaft... Komatsu Ltd

09/14/17 / #20170260717

Work machine and correction working equipment parameter for work machine

A work machine includes: first working equipment with first working equipment parameter; second working equipment including a parallel link and being attachable to the first working equipment; a swing angle detector that detects swing angle information of the first working equipment; an attitude calculating unit that calculates an attitude of... Komatsu Ltd

09/07/17 / #20170255895

Evaluation device and evaluation method

An evaluation device includes a detection data acquisition unit that acquires detection data including a detected movement trajectory of a predetermined portion of a working unit of a working vehicle based on operation data of the working unit from a movement starting position to a movement ending position, detected by... Komatsu Ltd

08/31/17 / #20170247861

Work machine control device, work machine, and work machine control method

A control device includes a control unit configured to change a change rate of a moving speed of a working unit of a work machine according to the moving speed of the working unit in a timing of switching between intervention control toward the working unit and control of the... Komatsu Ltd

08/31/17 / #20170248439

Control system for work machine, work machine, and management system for work machine

A control system includes: a detector detecting a position of a work machine running on a running path; a non-contact sensor detecting an object at a side of the running path; a generator generating map data of a work site based on detection data from the detector and the non-contact... Komatsu Ltd

Patent Packs
08/24/17 / #20170241106

Construction machine control system, construction machine, and controlling construction machine

A control system controls a construction machine that includes a work machine including a bucket having a plurality of tilting mechanisms. The control system includes: a tilt angle sensor that is provided in the bucket so as to detect tilt angle data including a rotation angle of the bucket about... Komatsu Ltd

08/24/17 / #20170241316

Work vehicle

The reducing agent tank has a tank main body and a feed pipe. The tank main body stores a reducing agent to be supplied to an exhaust gas treatment device. The feed pipe protrudes from the tank main body. The feed pipe is provided to replenish the tank main body... Komatsu Ltd

08/03/17 / #20170216949

Machine component and producing the same

A sprocket wheel, which is an example of the machine component, includes a base made of a first metal, and an overlay disposed in contact with the base to cover at least a part of a surface of the base. The overlay includes a matrix made of a second metal,... Komatsu Ltd

08/03/17 / #20170216950

Machine component and producing the same

A sprocket wheel, which is a machine component configured to slide relative to a bushing while being in contact with the bushing in an outer peripheral surface, includes a base made of a first metal, and an overlay that covers the base so as to constitute the outer peripheral surface.... Komatsu Ltd

08/03/17 / #20170216951

Wear-resistant component and producing the same

A tooth which is an example of a wear-resistant component includes a base made of a first metal, and an overlay disposed in contact with the base to cover a covered region that is a part of a surface of the base. In an overlay edge portion corresponding to a... Komatsu Ltd

08/03/17 / #20170216976

Machine component and producing the same

A sprocket wheel, which is an example of the machine component, includes a base made of a first metal, and an overlay disposed in contact with the base to cover at least a part of a surface of the base. The overlay includes a matrix made of a second metal,... Komatsu Ltd

08/03/17 / #20170217516

Sprocket wheel and producing the same

A sprocket wheel has an annular shape. The sprocket wheel has a plurality of projections formed on an outer peripheral surface for transmitting a driving force to a track. The sprocket wheel includes a base made of a first metal, and an overlay including a second metal that covers the... Komatsu Ltd

08/03/17 / #20170219053

Planetary gear type transmission

A first carrier rotates integrally with an input shaft. A third sun gear and a fourth sun gear rotate integrally with a first intermediate shaft. A third carrier rotates integrally with a second ring gear. A fourth carrier rotates integrally with a third ring gear, and outputs power. A first... Komatsu Ltd

08/03/17 / #20170220042

Work machine control system, work machine, and work machine management system

A work machine control system is configured to control a work machine that travels in an operation region and includes a position detection unit, a non-contact sensor, and a control unit. The position detection unit detects a position of the work machine. The non-contact sensor detects a position of an... Komatsu Ltd

08/03/17 / #20170220044

Work machine control system, work machine, and work machine management system

A work machine control system is configured to control a work machine that travels on a travel route and includes a position detection unit, a non-contact sensor, and a control unit. The position detection unit detects a position of the work machine. The non-contact sensor detects a position of an... Komatsu Ltd

07/27/17 / #20170210386

Work vehicle and control work vehicle

A work vehicle includes: an engine; a plurality of drive wheels driven by the engine; and an operation controller executes first drive force control that brakes a slipping drive wheel out of the plurality of drive wheels and executes second drive force control that reduces output of the engine in... Komatsu Ltd

07/27/17 / #20170211255

Hydraulic excavator

A hydraulic excavator capable of improving accessibility to a pipe which forms a path connecting a reducing agent tank and an exhaust gas treatment device to each other is provided. The hydraulic excavator includes a pipe portion forming a path connecting the reducing agent tank and the exhaust gas treatment... Komatsu Ltd

07/20/17 / #20170203383

Device for producing metal member

A metal member producing device includes a spindle, a base portion, and a driving portion which drives at least one of the spindle and the base portion in an axial direction of the spindle. Of the spindle and the base portion, one includes a first holding portion for holding a... Komatsu Ltd

07/20/17 / #20170203645

Hybrid work machine control device, hybrid work machine, and hybrid work machine control method

A control method for a hybrid work machine including an internal combustion engine which includes an exhaust gas treatment device, a generator motor which is connected to an output shaft of the internal combustion engine, and an electrical storage device which stores electric power generated by the generator motor or... Komatsu Ltd

07/20/17 / #20170203647

Cooling device and work vehicle equipped with same

A cooling device includes a first radiator core, a second radiator core, a fan, a ventilation component, and a blocked part. The first radiator core and the second radiator core (42) are disposed adjacently with a specific space in between. The fan supplies air to the first radiator core and... Komatsu Ltd

Patent Packs
07/20/17 / #20170203748

Control device for hybrid work machine, hybrid work machine, and control hybrid work machine

A control method for a hybrid work machine that includes an internal combustion engine that drives a working unit, and a generator motor connected to the internal combustion engine and transfers and receives electric power to/from a power storage device, the control method includes: determining whether a situation is at... Komatsu Ltd

07/20/17 / #20170203749

Engine control device of work machine, work machine, and engine control work machine

An engine control device of a work machine controls an internal-combustion engine of the work machine including a swing body, an implement attached to the swing body, a hydraulic actuator that operates the implement, a hydraulic pump that operates the hydraulic actuator, and the internal-combustion engine that drives the hydraulic... Komatsu Ltd

07/20/17 / #20170203753

Hybrid work machine engine control device, hybrid work machine, hybrid work machine engine control method

A hybrid work machine engine control device which is mounted on a hybrid work machine having a working unit that operates with operating oil supplied from a hydraulic pump and which controls an internal combustion engine that drives a generator motor and the hydraulic pump with generated power, includes: a... Komatsu Ltd

07/20/17 / #20170204589

Construction machine, hybrid hydraulic excavator, and output torque control motor generator

A construction machine includes a swing speed detection unit that detects an actual swing speed of an upper structure, a lever command speed calculation unit that calculates a lever command speed based on an operation amount of a swing lever for swinging the upper structure, a torque command value calculation... Komatsu Ltd

07/06/17 / #20170190293

Access system and work vehicle

A climbing apparatus body is supported by a main frame rotatably about a rotational shaft at one end. The climbing apparatus body is capable of taking an in-use posture in which the climbing apparatus body is inclined so that the other end is located below the one end and a... Komatsu Ltd

07/06/17 / #20170192434

Work machine control system, work machine, work machine management system, and controlling work machine

A method for controlling a work machine, includes: detecting an area present ahead in a traveling direction of a work machine, in which a target traveling speed of the work machine is constant and is lower than a traveling speed at a current point of time; when the area is... Komatsu Ltd

06/22/17 / #20170174123

Control system for work machine, work machine, management system for work machine, and management work machine

A control system for a work machine includes: a turn determination unit configured to determine whether the work machine makes a turn with a predetermined curvature radius or less over a predetermined distance or more, based on running condition data including at least position data and target azimuth data for... Komatsu Ltd

06/22/17 / #20170175357

Work vehicle

A work vehicle which can provide more accommodation space for articles on a vehicular body frame is provided. A rear cab mount on which a cab of a hydraulic excavator is mounted is mounted on a revolving frame and forms a hollow rear under-mount space. An opening portion is formed... Komatsu Ltd

06/22/17 / #20170175358

Cab and bulldozer

Provided is a cab which can improve the workability of ripping. The cab includes an operator's seat placed in the cab and a right armrest placed rightward of the operator's seat in the cab. A front end portion of the operator's seat is tilted rightward with respect to a front-rear... Komatsu Ltd

06/22/17 / #20170175362

Display system of excavation machine, excavation machine, and image display method

A display system of an excavation machine including a work machine having a bucket and a body portion on which the work machine is mounted, the display system of the excavation machine includes: a bucket position information generation unit which generates position information of the bucket; a storage unit which... Komatsu Ltd

06/22/17 / #20170175364

Construction information display device and displaying construction information

A construction information display device configured to display construction information includes: a display unit configured to display at least a partial distribution map indicating a current landform and a design landform; an input unit through which a target surface is selected from the design landform; and a display processing unit... Komatsu Ltd

06/15/17 / #20170166021

Work vehicle, operating tow apparatus, and assembling tow apparatus

A tow pin has a main body portion in a columnar shape and a first protrusion protruding outward from an outer circumferential surface of the main body portion. An upper bracket structure has a first through hole in which the main body portion is inserted and restricts passage of the... Komatsu Ltd

06/15/17 / #20170167111

Cab and work vehicle

Provided is a cab in which an engine stop switch can be caused to make an emergency stop and an improper operation of the engine stop switch can be suppressed. The cab includes an operator's seat placed in the cab and the engine stop switch for causing the engine to... Komatsu Ltd

06/15/17 / #20170167116

Work vehicle and obtaining tilt angle

A hydraulic excavator is provided with a tilt cylinder disposition data creating unit and a bucket information computing unit. The tilt cylinder disposition data creating unit creates tilt cylinder disposition data which indicates that a disposition of a tilt cylinder is either a first disposition in which a bucket is... Komatsu Ltd

06/08/17 / #20170159262

Hydraulic excavator

Provided is a hydraulic excavator that enables arrangement of a camera at an appropriate position on a lateral edge of a revolving unit. The camera is installed on the lateral edge of the upper surface of the revolving unit. A handrail is attached to the upper surface of the revolving... Komatsu Ltd

06/01/17 / #20170151946

Mining machine control system, mining machine, mining machine management system, and mining machine management method

A control system of a mining machine controls a driving device that drives a traveling device of the mining machine. The control system includes an acceleration command value calculation unit that calculates an acceleration command value for accelerating the mining machine, a correction value calculation unit that calculates a correction... Komatsu Ltd

06/01/17 / #20170152965

Stroke detection device

A stroke detection device for detecting, along a longitudinal direction, a stroke amount of a spool arranged in a valve main body. The stroke detection device includes: a device main body attached to the valve main body; a detection rod extending along the longitudinal direction of the spool, and movably... Komatsu Ltd

06/01/17 / #20170153649

Work machine control system, work machine, work machine management system, and controlling work machine

A work machine control system includes a steering device configured to operate steering wheels of a work machine, a posture detector configured to detect a first azimuth as information on an orientation of the work machine, a steering angle detector configured to detect a steering angle of the steering device,... Komatsu Ltd

05/25/17 / #20170145659

Work vehicle having a work implement

A work vehicle is equipped with an engine, a hydraulic pump, a work implement, a work implement operating member, a work implement control valve, a capacity control device, a travel device, an accelerator operating member, and a control unit. The hydraulic pump is driven by the engine. The work implement... Komatsu Ltd

05/25/17 / #20170145662

Work machine and control work machine

A control method for a work machine, includes: detecting a posture of a working unit driven by a hydraulic cylinder in a movable range; determining whether the working unit at a stop position of the movable range has started moving based on an operation of the working unit; setting a... Komatsu Ltd

05/25/17 / #20170145663

Mine management system and mine managing method

Provided is a mine management system for a mine where an unmanned vehicle operates in an operation area of the mine, including determining based on position data of a moving body which is different from the unmanned vehicle whether the moving body enters the operation area, starting monitoring abnormality including... Komatsu Ltd

05/25/17 / #20170145885

Exhaust purifying device

An exhaust purifying device (10) includes a throttle valve (20), a DOC device (30), an SCR device (50), a fuel injector (7), an inlet temperature sensor (31), an outlet temperature sensor (45), and a controller (8). The controller (8) includes a heatup-control execution control unit (82) configured to perform a... Komatsu Ltd








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