Abstract: A work vehicle includes a work implement. A control system for the work vehicle includes an operating device that outputs an operation signal indicative of an operation by an operator, and a controller that communicates with the operating device and controls the work implement. The controller determines a target design topography indicative of a target topography. The controller generates a command signal to operate the work implement in accordance with the target design topography. When a tilt angle of the work implement is changed with an operation of the operating device, the controller corrects the tilt angle of the work implement in accordance with the changed tilt angle.

Abstract: A tooth attachment structure for a bucket includes a tooth, a pin member, and a lock member. The tooth includes a guide groove provided on an inner surface of the tooth and a pin hole provided in the guide groove. The pin member is disposed in the pin hole. The lock member is disposed in the guide groove. The lock member locks the pin member. The lock member engages the pin member by sliding toward the pin member.

Abstract: A cab for a work machine includes a cab body that is formed with a doorway, a door that is rotatably supported on the cab body so as to open and close the doorway, an actuator that generates a driving force to open and close the door, a rod that is attached to the door and rotatable relative to the door, and a sensor that is attached to the door separately from the rod. The sensor detects the motion of the rod relative to the door by detecting the motion of the rod relative to the sensor.

Abstract: A loaded machine information acquisition unit acquires position information and azimuth direction information of a transport vehicle. An earth removal position-specifying unit specifies an earth removal position for loading a load target onto the transport vehicle, based on the position information and the azimuth direction information. A bucket position-specifying unit specifies a position of a bucket. An operation signal generation unit generates an operation signal for moving the bucket from the specified position to the earth removal position.

Abstract: A captured image acquisition unit of a display control device according to the present invention acquires an image captured by an imaging device mounted on a loading vehicle. A loaded weight acquisition unit acquires a loaded weight measured by a weight scale mounted on a transport vehicle. A display image generation unit generates a display image obtained by disposing an image showing the loaded weight on the captured image. A display control unit outputs a display signal for displaying the display image to a display device.

Abstract: A work vehicle periphery monitoring system includes: an alarm range storage unit that stores an alarm range, in which an alarm output is required when an object is present, in a detection range of an object detection device that detects an object present in a periphery of a work vehicle; a work mode determination unit that determines a work mode of the work vehicle; an alarm range changing unit that changes the alarm range in the detection range when it is determined that the work mode is a specific work mode; and an alarm control unit that causes an alarm device to output an alarm when an object is present in the alarm range.

Abstract: A display system includes a display and a controller. The controller causes the display to display a third figure representing a relative relationship between a first figure indicating a direction of a working implement of a working machine and a second figure indicating a direction of a target topography from the working machine.

Abstract: A work vehicle periphery monitoring system includes: an alarm range storage unit that stores an alarm range, in which an alarm output is required when an object is present, in a detection range of an object detection device that detects an object present in a periphery of a work vehicle; a work mode determination unit that determines a work mode of the work vehicle; an alarm range changing unit that changes the alarm range in the detection range when it is determined that the work mode is a specific work mode; and an alarm control unit that causes an alarm device to output an alarm when an object is present in the alarm range.

Abstract: A management system includes a position detection unit which obtains a position of a work machine, a posture detection unit which obtains a posture of the work machine, an object detection unit which obtains a three-dimensional shape of a buried object, a position calculation unit which obtains a position of the buried object by using the position of the work machine obtained by the position detection unit, the posture of the work machine obtained by the posture detection unit, and the three-dimensional shape of the buried object obtained by the object detection unit, and an information acquisition unit which acquires buried object information including at least the position of the buried object obtained by the position calculation unit.

Abstract: A management system for a work vehicle, includes: a traveling condition data generation unit configured to generate traveling condition data that causes a work vehicle to enter with forward movement, from an entrance of a workplace to a work point of the workplace, and exit with backward movement, from the work point to an exit of the workplace; and an output unit configured to output the traveling condition data to the work vehicle.

Abstract: There is provided a positioning system for a work machine using RTK positioning that uses a satellite positioning system, the positioning system including: a sensor controller that is a calculation unit that calculates a position of an antenna, of the satellite positioning system, disposed in the work machine based on a position of working equipment, of the work machine, aligned with a known reference point PR positioned at a work site; and a monitor controller that is an initialization control unit that outputs a control command that causes a receiver, of the satellite positioning system, that performs positioning calculation by the RTK positioning to execute initialization processing of the positioning calculation in which an integer value bias of each satellite and the position of the antenna of the satellite positioning system are unknown, by using the calculated position of the antenna of the satellite positioning system.

Abstract: In a construction method using an excavator that is controlled by manual operation, and an excavator that includes an automatic working-equipment control unit automatically controlling second working equipment on the basis of at least one of a current terrain and a designed terrain of a construction range in a construction site, and a tooth-edge position of the second working equipment, a progress rate that indicates a volume of soil having been excavated by the excavator to a target volume of soil to be excavated by the excavator in the construction range is calculated, and when the progress rate is equal to or larger than a threshold, the excavator stops construction of the construction range, and the excavator takes over the construction of the construction range, from the excavator.

Abstract: A work vehicle includes a work implement. A control system for the work vehicle includes an operating device and a controller. The operating device outputs an operation signal indicative of an operation by an operator. The controller communicates with the operating device and controls the work implement. The controller determines a first target design topography. The controller generates a command signal to operate a work implement in accordance with the first target design topography. The controller obtains a displacement amount of the work implement with respect to the first target design topography upon receiving the operation signal indicative of the operation of the work implement during work in accordance with the first target design topography. The controller determines a second target design topography based on the displacement amount. The controller generates a command signal to operate the work implement in accordance with the second target design topography.

Abstract: A display system includes a display and a controller. The controller displays a third figure indicating a relative relationship between a first figure indicating an inclination of a bottom surface of a bucket and a second figure indicating an inclination of a target topography on the display.

Abstract: An image display system for a work machine including working equipment having a working tool and a turning body to which the working equipment is attached, includes: a position detector detecting at least one of an attitude and a position of the working equipment; a distance detector obtaining information on a distance from the work machine to a work target; and a processing device that generates, by using information on a position of the working tool obtained by the position detector and information on a position of the work target obtained from the information on the distance obtained by the distance detector, a first image including a portion corresponding to a part of the working tool and extending along a turning direction of the turning body, on the work target opposed to the working tool, and displays the first image on the display device.

Abstract: Provided is a cab for a work machine capable of preventing an actuator from being damaged by vibration. A cab body is formed with a doorway. A door is rotatably supported on the cab body. The door opens and closes the doorway. A closed position locking unit locks the door so as to disable it from rotating relative to the cab body. The actuator generates a driving force to unlock the door locked by the closed position locking unit. The actuator is mounted on the cab body and is supported by the cab body.

Abstract: A control device that controls a work vehicle including work equipment includes: a route acquisition unit that acquires a traveling route of a transport vehicle; an area setting unit that sets a limit area for limiting entry of the work equipment along the traveling route; and a signal output unit that outputs a signal for controlling the work vehicle or the transport vehicle on the basis of a relationship between the limit area and the work equipment.

Abstract: A wear resistant component (1) includes a matrix portion (10) made of metal, and a framework portion (20) that is embedded in the matrix portion (10) and is higher in hardness than the matrix portion (10). The framework portion (20) has a three-dimensional lattice structure formed with a plurality of bar-shaped members 31, and has a shape that follows a shape of at least a portion of a surface (11-18, 10C) of the matrix portion (10).

Abstract: A crawler belt is wound around a sprocket and an idler and includes a plurality of track shoe plates. Each track shoe plate has an attachment surface and a ground engaging surface. The track shoe plate has projecting sections on the ground engaging surface. Side surfaces of the projecting sections are each inclined relative to a perpendicular line perpendicular to the attachment surface at an angle greater than a winding angle of the track shoe plate relative to either sprocket or idler.

Abstract: A work machine includes an engine, a travel drive system, a work implement, an apparatus drive system with a hydraulic pump, an accelerator operating member, a work implement operating member, and a controller. The controller controls the apparatus drive system in accordance with an operating amount of the work implement operating member. The controller determines a target tractive force of the travel drive system based on an operating amount of the accelerator operating member. The controller determines an allowable acceleration of the work machine. The controller determines an upper limit of tractive force of the travel drive system based on the allowable acceleration. The controller corrects the target tractive force so as to be equal to or less than the upper limit when the target tractive force is greater than the upper limit. The controller controls the travel drive system based on the corrected target tractive force.