WO2018181534A1 - ショベル、ショベルの表示装置及びショベルにおける画像の表示方法 - Google Patents
ショベル、ショベルの表示装置及びショベルにおける画像の表示方法 Download PDFInfo
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- construction surface
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Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/26—Indicating devices
- E02F9/261—Surveying the work-site to be treated
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
- E02F3/32—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom working downwardly and towards the machine, e.g. with backhoes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
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- G—PHYSICS
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- G06T11/00—2D [Two Dimensional] image generation
- G06T11/60—Editing figures and text; Combining figures or text
Definitions
- the present disclosure relates to an excavator, an excavator display device, and an image display method in the excavator.
- an excavating machine that displays graphic information, a front view, and a side view on the same screen of a display device is known (see Patent Document 1).
- the graphic information indicates the distance between the cutting edge of the bucket and the design surface with an index bar and an index mark.
- the index bar is composed of a plurality of vertically arranged blocks, and each block is represented by a different color to indicate the distance from the design surface.
- the index mark represents the height of the design surface and is associated with one of the blocks.
- a bucket icon in front view, a line indicating a design surface in front view, and distance information and angle information as numerical information regarding the front view are displayed.
- a bucket icon in a side view, a line indicating a design surface in a side view, and distance information and angle information as numerical information regarding the side view are displayed.
- the index mark and the bucket icon in front view are displayed at different heights on the screen. Therefore, for example, when the operator is operating the shovel while looking at the graphic information, when checking the deviation between the toe line in the width direction of the bucket and the design surface, the operator shifts the line of sight upward from the index mark. You need to look at the figure.
- An excavator is a shovel having a machine guidance function or a machine control function, and includes a lower traveling body, an upper revolving body that is turnably mounted on the lower traveling body, and the upper revolving body.
- a driver's cab mounted; an attachment attached to the upper swing body; and a display device provided in the driver's cab, wherein the display device represents a first position of a target construction surface set in advance.
- a second graphic including a graphic and a second graphic that represents a change in the magnitude of the distance between the work site of the attachment and the target construction surface, which is arranged in the vertical direction with respect to the first graphic, by changing the display location.
- One image and a second image representing the change in the distance of the work site of the attachment with respect to the target construction surface by changing the display format at the same location The first figure is displayed at the same height as the second image.
- the above-mentioned means can provide an excavator that allows the operator to more easily grasp information related to the machine guidance function or the machine control function displayed on the display screen.
- FIG. 1 is a side view of an excavator (excavator) according to an embodiment of the present invention.
- An upper swing body 3 is mounted on the lower traveling body 1 of the excavator via a swing mechanism 2 so as to be capable of swinging.
- a boom 4 is attached to the upper swing body 3.
- An arm 5 is attached to the tip of the boom 4, and a bucket 6 as an end attachment is attached to the tip of the arm 5.
- a slope bucket, a kite bucket, or the like may be used as an end attachment.
- the boom 4, the arm 5 and the bucket 6 constitute an excavation attachment as an example of the attachment.
- the boom 4 is driven by the boom cylinder 7, the arm 5 is driven by the arm cylinder 8, and the bucket 6 is driven by the bucket cylinder 9.
- a boom angle sensor S1 is attached to the boom 4, an arm angle sensor S2 is attached to the arm 5, and a bucket angle sensor S3 is attached to the bucket 6.
- the excavation attachment may be provided with a bucket tilt mechanism.
- the boom angle sensor S1 detects the rotation angle of the boom 4.
- the boom angle sensor S ⁇ b> 1 is an acceleration sensor that detects a tilt angle with respect to the horizontal plane and detects a rotation angle of the boom 4 with respect to the upper swing body 3.
- the arm angle sensor S2 detects the rotation angle of the arm 5.
- the arm angle sensor S ⁇ b> 2 is an acceleration sensor that detects the rotation angle of the arm 5 relative to the boom 4 by detecting the inclination with respect to the horizontal plane.
- the bucket angle sensor S3 detects the rotation angle of the bucket 6.
- the bucket angle sensor S3 is an acceleration sensor that detects the rotation angle of the bucket 6 with respect to the arm 5 by detecting the inclination with respect to the horizontal plane.
- the bucket angle sensor S3 may additionally detect the rotation angle of the bucket 6 around the tilt axis.
- the boom angle sensor S1, the arm angle sensor S2, and the bucket angle sensor S3 are a potentiometer using a variable resistor, a stroke sensor that detects a stroke amount of a corresponding hydraulic cylinder, a rotary encoder that detects a rotation angle around a connecting pin, and the like. It may be.
- the boom angle sensor S1, the arm angle sensor S2, and the bucket angle sensor S3 constitute an attitude sensor that detects information related to the attitude of the excavation attachment.
- the posture sensor may detect information related to the posture of the excavation attachment by combining outputs of the gyro sensor.
- the upper swing body 3 is provided with a cabin 10 as a cab and a power source such as an engine 11 is mounted.
- the upper swing body 3 is provided with a body tilt sensor S4, a swing angular velocity sensor S5, and a camera S6.
- the body tilt sensor S4 detects the tilt of the upper swing body 3 with respect to the horizontal plane.
- the body tilt sensor S4 is a biaxial acceleration sensor that detects the tilt angles of the upper swing body 3 around the front and rear axes and the left and right axes.
- the front and rear axes and the left and right axes of the upper swing body 3 are, for example, orthogonal to each other and pass through a shovel center point that is one point on the shovel pivot axis.
- the turning angular velocity sensor S5 is a gyro sensor, for example, and detects the turning angular velocity of the upper turning body 3.
- the turning angular velocity sensor S5 may be a resolver, a rotary encoder, or the like.
- Camera S6 is a device that acquires images around the excavator.
- the camera S6 is one or a plurality of cameras attached to the upper swing body 3.
- an input device D1 In the cabin 10, an input device D1, an audio output device D2, a display device D3, a storage device D4, a gate lock lever D5, a controller 30 and a machine guidance device 50 are installed.
- the controller 30 functions as a main control unit that performs drive control of the excavator.
- the controller 30 is composed of an arithmetic processing unit including a CPU and an internal memory.
- Various functions of the controller 30 are realized by the CPU executing programs stored in the internal memory.
- the machine guidance device 50 executes a machine guidance function and guides (guides) the operation of the excavator.
- the machine guidance device 50 visually and audibly notifies the operator of the distance in the vertical direction between the target construction surface set in advance by the operator and the tip position of the bucket 6.
- the tip position of the bucket 6 is, for example, a toe position.
- the machine guidance device 50 can guide the operation of the shovel by the operator.
- the machine guidance device 50 may only notify the operator of the distance visually or may only notify the operator audibly.
- the machine guidance device 50 is configured by an arithmetic processing device including a CPU and an internal memory. Various functions of the machine guidance device 50 are realized by the CPU executing a program stored in the internal memory.
- the machine guidance device 50 may be incorporated in the controller 30.
- the machine guidance device 50 may execute a machine control function and automatically support the operation of the excavator by the operator.
- the machine guidance device 50 assists the movement of the boom 4, the arm 5, and the bucket 6 so that the target construction surface matches the tip position of the bucket 6 when the operator is performing an excavation operation.
- the operator when the operator is performing an arm closing operation, at least one of the boom cylinder 7 and the bucket cylinder 9 is automatically expanded and contracted so that the target construction surface matches the tip position of the bucket 6.
- the operator can perform excavation work by moving the boom 4, the arm 5, and the bucket 6 at the same time and adjusting the target construction surface and the tip position of the bucket 6 by operating only one operation lever.
- the input device D1 is configured such that an excavator operator can input information to the machine guidance device 50.
- the input device D1 is a membrane switch attached around the display device D3.
- a touch panel may be used as the input device D1.
- the voice output device D2 is configured to output voice information in response to a command from the machine guidance device 50.
- a speaker directly connected to the machine guidance device 50 is used as the audio output device D2.
- An alarm device such as a buzzer may be used as the audio output device D2.
- Display device D3 outputs various image information in response to a command from machine guidance device 50.
- a liquid crystal display directly connected to the machine guidance device 50 is used as the display device D3.
- a camera image taken by the camera S6 may be displayed on the display device D3.
- the display device D3 may be a projector installed in the cabin 10.
- the storage device D4 is configured to store information.
- a nonvolatile storage medium such as a semiconductor memory is used as the storage device D4.
- the storage device D4 stores, for example, information about the excavator and design data output from the controller 30, the machine guidance device 50, and the like.
- the gate lock lever D5 is configured to prevent the shovel from being operated accidentally.
- the gate lock lever D5 is disposed between the door of the cabin 10 and the driver's seat.
- the various operation devices can be operated.
- the gate lock lever D5 is pushed down so that the operator can leave the cabin 10, the various operation devices become inoperable.
- FIG. 2 is a diagram showing a configuration example of the drive control system of the excavator in FIG.
- the mechanical power transmission system is indicated by a double line
- the hydraulic oil line is indicated by a thick solid line
- the pilot line is indicated by a broken line
- the electric drive / control system is indicated by a thin solid line.
- the engine 11 is a power source for the excavator.
- the engine 11 is a diesel engine that employs isochronous control that keeps the engine speed constant regardless of increase or decrease in engine load.
- the fuel injection amount, fuel injection timing, boost pressure and the like in the engine 11 are controlled by the engine controller unit D7.
- Rotating shafts of the engine 11 are connected to respective rotating shafts of a main pump 14 and a pilot pump 15 as hydraulic pumps.
- a control valve 17 is connected to the main pump 14 via a hydraulic oil line.
- the control valve 17 is a hydraulic control device that controls the hydraulic system of the excavator.
- the hydraulic actuator is connected to the control valve 17 via a hydraulic oil line.
- the hydraulic actuator includes left and right traveling hydraulic motors, a boom cylinder 7, an arm cylinder 8, a bucket cylinder 9, and a turning hydraulic motor.
- the operating device 26 is connected to the pilot pump 15 via a pilot line and a gate lock valve D6.
- the operation device 26 includes an operation lever and an operation pedal.
- the operating device 26 is connected to the control valve 17 through a pilot line.
- a knob switch as a switch 26S is provided at the tip of the operation lever as the operation device 26.
- the operator can operate the knob switch with a finger without releasing the hand from the operation lever.
- the switch 26S may be a pedal switch. In this case, the operator can operate the pedal switch with his / her foot without releasing his / her hand from the operation lever.
- the gate lock valve D6 is configured to be able to switch communication / blocking of a pilot line connecting the pilot pump 15 and the operating device 26.
- the gate lock valve D6 is an electromagnetic valve that switches between connection and disconnection of the pilot line in accordance with a command from the controller 30.
- the controller 30 determines the state of the gate lock lever D5 based on the state signal output from the gate lock lever D5.
- the controller 30 outputs a communication command to the gate lock valve D6.
- the gate lock valve D6 is opened to connect the pilot line. As a result, the operator's operation on the operation device 26 becomes effective.
- the controller 30 determines that the gate lock lever D5 is in the lowered state, the controller 30 outputs a cutoff command to the gate lock valve D6.
- the gate lock valve D6 is closed to shut off the pilot line. As a result, the operator's operation on the operation device 26 becomes invalid.
- the pressure sensor 29 detects the operation content of the operating device 26 in the form of pressure.
- the pressure sensor 29 outputs the detection value to the controller 30.
- the operation content of the operating device 26 may be detected using another sensor.
- FIG. 2 shows the connection relationship between the controller 30 and the display device D3.
- the display device D3 is connected to the controller 30 via the machine guidance device 50.
- the display device D3, the machine guidance device 50, and the controller 30 may be connected via a communication network such as CAN.
- Display device D3 includes a conversion processing unit D3a that generates an image.
- the conversion processing unit D3a generates a camera image for display based on the output of the camera S6.
- the camera S6 is connected to the display device D3 via a dedicated line, for example.
- the conversion processing unit D3a generates a display image based on the output of the controller 30 or the machine guidance device 50.
- the conversion processing unit D3a converts information output from the controller 30 or the machine guidance device 50 into an image signal.
- the information output by the controller 30 includes, for example, at least one of data related to engine coolant temperature, data related to hydraulic oil temperature, data related to the remaining amount of fuel, data related to the remaining amount of urea water, and the like.
- the information output by the machine guidance device 50 includes at least one of data indicating the tip position of the bucket 6 and data regarding the target construction surface.
- the conversion processing unit D3a may be realized not as a function of the display device D3 but as a function of the controller 30 or the machine guidance device 50.
- the camera S6 is connected to the controller 30 or the machine guidance device 50 instead of the display device D3.
- the display device D3 is configured to operate upon receiving power from the storage battery 70.
- the storage battery 70 is charged with power generated by an alternator 11a (generator) of the engine 11, for example.
- the electric power of the storage battery 70 may be supplied to the electrical component 72 of the excavator in addition to the controller 30 and the display device D3.
- the starter 11b of the engine 11 is driven by electric power from the storage battery 70, and can start the engine 11.
- the engine 11 is configured to be controlled by the engine controller unit D7. Data relating to the state of the engine 11 is transmitted to the controller 30 from the engine controller unit D7.
- the data regarding the state of the engine 11 is an example of excavator operation information, and includes, for example, data regarding the cooling water temperature detected by the water temperature sensor 11c serving as the operation information acquisition unit.
- the controller 30 stores this data in the temporary storage unit (memory) 30a and can transmit it to the display device D3 when necessary.
- various data may be supplied to the controller 30 as excavator operation information as follows. Such data may be stored in the temporary storage unit 30 a of the controller 30.
- data regarding the swash plate tilt angle may be supplied to the controller 30 from the regulator 14a of the main pump 14 which is a variable displacement hydraulic pump. Further, data relating to the discharge pressure of the main pump 14 may be supplied to the controller 30 from the discharge pressure sensor 14b. These data may be stored in the temporary storage unit 30a.
- An oil temperature sensor 14 c may be provided in a pipe line between the main pump 14 and a tank that stores hydraulic oil sucked by the main pump 14. The oil temperature sensor 14c may supply the controller 30 with data related to the temperature of the hydraulic oil flowing through the pipeline.
- the regulator 14a, the discharge pressure sensor 14b, and the oil temperature sensor 14c are specific examples of the operation information acquisition unit.
- data indicating the fuel storage amount may be supplied to the controller 30 from the fuel storage amount detection unit 55a in the fuel storage unit 55.
- data related to the remaining amount of fuel is supplied to the controller 30 from a fuel remaining amount sensor as the fuel storage amount detection unit 55a in the fuel tank as the fuel storage unit 55.
- the fuel remaining amount sensor is composed of a float that follows the liquid level and a variable resistor (potentiometer) that converts the vertical fluctuation amount of the float into a resistance value.
- the fuel remaining amount sensor can continuously display the fuel remaining state on the display device D3.
- the detection method of the fuel storage amount detection unit can be appropriately selected according to the use environment and the like, and a detection method capable of displaying the remaining amount of fuel in stages may be adopted. These configurations can also be applied to a urea water tank.
- pilot pressure acting on the control valve 17 when the operating device 26 is operated is detected by the pressure sensor 29.
- the pressure sensor 29 supplies data regarding the detected pilot pressure to the controller 30.
- the excavator includes an engine speed adjustment dial 75 in the cabin 10.
- the engine rotation speed adjustment dial 75 is a dial for adjusting the rotation speed of the engine 11, and is configured so that the engine rotation speed can be switched in four stages. Data relating to the setting state of the engine speed is transmitted from the engine speed adjustment dial 75 to the controller 30.
- the engine speed adjustment dial 75 can switch the engine speed in four stages of SP mode, H mode, A mode, and idling mode.
- FIG. 2 shows a state where the H mode is selected with the engine speed adjustment dial 75.
- the SP mode is a rotation speed mode that is selected when priority is given to the amount of work, and uses the highest engine speed.
- the H mode is a rotation speed mode that is selected when both the work amount and the fuel consumption are desired, and uses the second highest engine speed.
- the A mode is a rotation speed mode that is selected when it is desired to operate the shovel with low noise while giving priority to fuel consumption, and uses the third highest engine speed.
- the idling mode is a rotational speed mode that is selected when the engine 11 is desired to be in an idling state, and uses the lowest engine rotational speed. The engine 11 is controlled at a constant speed with the engine speed in the speed mode set with the engine speed adjustment dial 75.
- FIG. 3 is a functional block diagram illustrating a configuration example of the machine guidance device 50.
- the machine guidance device 50 can receive information output by at least one of the boom angle sensor S1, the arm angle sensor S2, the bucket angle sensor S3, the machine body inclination sensor S4, the turning angular velocity sensor S5, the input device D1, the controller 30, and the like. It is configured as follows. And it is comprised so that various calculations can be performed based on the received information and the information memorize
- the machine guidance device 50 calculates the height of the work part of the attachment, and issues a control command according to the distance between the work part height and a predetermined target height to the voice output device D2 and the display device D3. It is comprised so that it may output to at least one.
- the voice output device D2 outputs a sound indicating the magnitude of the distance.
- the display device D3 that has received the control command displays an image representing the magnitude of the distance.
- the target height is a concept including the target depth, and is, for example, a height that the operator inputs as a vertical distance with respect to the reference position after the work site is brought into contact with the reference position.
- the reference position typically has a known latitude, longitude and altitude.
- size of the distance of the work part height and target height of the attachment displayed on the display apparatus D3 is set as "work part guidance information.” The operator can proceed with the work while confirming the transition of the distance by looking at the work part guidance information.
- the machine guidance device 50 includes an inclination angle calculation unit 501, a height calculation unit 502, a distance calculation unit 503, and a target setting unit 504 in order to perform the above-described guidance.
- the tilt angle calculation unit 501 is configured to calculate the tilt angle of the shovel, which is the tilt angle of the upper swing body 3 with respect to the horizontal plane, based on the detection signal from the machine tilt sensor S4, for example.
- the height calculation unit 502 calculates the height of the work part of the attachment with respect to the reference plane based on the inclination angle calculated by the inclination angle calculation unit 501 and the angles of the boom 4, the arm 5, and the bucket 6. It is configured as follows.
- the reference plane is a virtual plane including a plane on which the excavator is located, for example.
- the tip (toe) of the bucket 6 corresponds to the work site of the attachment.
- the back surface of the bucket 6 corresponds to the work site of the attachment.
- the distance calculation unit 503 is configured to calculate the distance between the work site height calculated by the height calculation unit 502 and the target height, for example. In this embodiment, the distance between the height of the tip (toe) of the bucket 6 calculated by the height calculation unit 502 and the target height is calculated.
- the target setting unit 504 is configured to set a target value used in a machine guidance function or a machine control function, for example. For example, the target setting unit 504 sets a target value based on information regarding the position of a predetermined part of the excavation attachment at two time points. Then, based on the position coordinates of the tip of the bucket 6 at each of the two time points, an angle formed between a virtual straight line passing through the two coordinate points and the horizontal plane is calculated, and the angle is set as the target slope angle. May be.
- Each of the two time points is, for example, a time point when a predetermined condition is satisfied.
- the time point when the predetermined condition is satisfied includes at least one of a time point when a predetermined switch is pressed and a time point when a predetermined time elapses while the excavation attachment is stationary.
- the target slope angle may include zero degrees.
- the target setting unit 504 may be configured to display geometric information on the display device D3 using information regarding the position of a predetermined part of the excavation attachment at two time points.
- the geometric information is, for example, information related to a survey result by an excavator.
- the target setting unit 504 for example, based on the position coordinates of the tip of the bucket 6 at two time points, displays the angle formed between the virtual straight line passing through these two coordinate points and the horizontal plane as geometric information, and displays the display device D3. May be displayed.
- Two coordinate points may be displayed as geometric information as they are, and a horizontal distance and a vertical distance between the two coordinate points may be displayed as geometric information.
- the first of the two time points is a time point when the predetermined condition is satisfied as described above.
- the second time of the two time points is the current time point.
- the geometric information may be displayed to allow the operator to recognize the positional relationship between the coordinate point of the predetermined part registered at the first time point and the coordinate point of the predetermined part at the current time point. .
- FIG. 4 is a perspective view of the interior of the cabin 10 and shows a state when the front of the excavator is viewed from the driver's seat 10S.
- the display device D ⁇ b> 3 is attached to the right pillar 10 ⁇ / b> R so as to fit within the width of the right pillar 10 ⁇ / b> R located on the right front side of the driver's seat 10 ⁇ / b> S.
- the display device D3 can be grasped with the peripheral visual field when the operator grasps the bucket 6 with the central visual field through the windshield FG.
- the operation lever as the operation device 26 includes a left operation lever 26L and a right operation lever 26R.
- a switch 26S is provided at the tip of the left operation lever 26L. The operator can operate the switch 26S with a finger without releasing the hand from the operation lever.
- the switch 26S may be provided at the tip of the right operation lever 26R, or may be provided at the tip of each of the left operation lever 26L and the right operation lever 26R.
- the switch 26S includes a reference setting button 26S1 and a survey mode button 26S2.
- the reference setting button 26S1 is a button for setting a reference position.
- the survey mode button 26S2 is a button for starting or ending the survey mode.
- Surveying mode is one of the excavator operation modes.
- the operation mode of the excavator includes a survey mode and a guidance mode.
- Surveying mode is an operation mode that is selected when surveying using a shovel. In this embodiment, it starts when the surveying mode button 26S2 is pressed. It is also selected when setting a target value used in the machine guidance function or machine control function.
- Guidance mode is an operation mode selected when the machine guidance function or the machine control function is executed. In this embodiment, the process starts when a guidance mode button (not shown) is pressed.
- the guidance mode is selected, for example, when the slope is shaped with an excavator.
- FIG. 5 shows an example of the output image Gx displayed on the display device D3 in the guidance mode.
- the reference position and the target construction surface are already set.
- the output image Gx displayed on the display device D3 includes a time display unit 411, a rotation speed mode display unit 412, a travel mode display unit 413, an engine control state display unit 415, and a urea water remaining amount display unit. 416, a fuel remaining amount display unit 417, a cooling water temperature display unit 418, an engine operating time display unit 419, a camera image display unit 420, and a work guidance display unit 430.
- the rotation speed mode display unit 412, the traveling mode display unit 413, the attachment display unit 414, and the engine control state display unit 415 are display units that display information related to the setting state of the excavator.
- the urea water remaining amount display unit 416, the fuel remaining amount display unit 417, the cooling water temperature display unit 418, and the engine operating time display unit 419 are display units that display information related to the operating state of the excavator.
- the image displayed on each unit is generated by the conversion processing unit D3a of the display device D3 using the data transmitted from the controller 30 or the machine guidance device 50 and the camera image transmitted from the camera S6.
- the time display unit 411 displays the current time.
- the digital display is adopted and the current time (10: 5) is shown.
- the rotation speed mode display unit 412 displays an image of the rotation speed mode set by the engine rotation speed adjustment dial 75 as excavator operation information.
- the rotation speed mode includes, for example, the above-described four modes: SP mode, H mode, A mode, and idling mode.
- SP mode the rotation speed mode
- H mode the rotation speed mode
- a mode the rotation speed adjustment dial 75
- idling mode the symbol “SP” representing the SP mode is displayed.
- Travel mode display unit 413 displays the travel mode as excavator operation information.
- the traveling mode represents a set state of a traveling hydraulic motor using a variable displacement motor.
- the running mode has a low speed mode and a high speed mode, and a mark that represents “turtle” is displayed in the low speed mode, and a mark that represents “ ⁇ ” is displayed in the high speed mode.
- a mark representing a “turtle” is displayed, and the operator can recognize that the low speed mode is set.
- the engine control state display unit 415 displays the control state of the engine 11 as excavator operation information.
- “automatic deceleration / automatic stop mode” is selected as the control state of the engine 11.
- the “automatic deceleration / automatic stop mode” means a control state in which the engine speed is automatically reduced and the engine 11 is automatically stopped according to the duration of the non-operation state.
- the control state of the engine 11 includes “automatic deceleration mode”, “automatic stop mode”, “manual deceleration mode”, and the like.
- the urea water remaining amount display unit 416 displays an image of the remaining amount of urea water stored in the urea water tank as excavator operation information.
- a bar gauge representing the current remaining amount of urea water is displayed.
- the remaining amount of urea water is displayed based on the data output from the urea water remaining amount sensor provided in the urea water tank.
- Fuel remaining amount display unit 417 displays the remaining amount of fuel stored in the fuel tank as excavator operation information.
- a bar gauge indicating the current remaining fuel state is displayed.
- the remaining amount of fuel is displayed based on the data output from the remaining fuel amount sensor provided in the fuel tank.
- the cooling water temperature display unit 418 displays the temperature state of the engine cooling water as excavator operation information.
- a bar gauge indicating the temperature state of the engine coolant is displayed.
- the temperature of the engine cooling water is displayed based on data output from a water temperature sensor 11c provided in the engine 11.
- the engine operation time display unit 419 displays the accumulated operation time of the engine 11 as excavator operation information.
- the cumulative operation time after the count is restarted by the driver is displayed together with the unit “hr (hour)”.
- the engine operating time display section 419 displays the lifetime operating time of the entire period after excavator manufacture or the section operating time after the count is restarted by the operator.
- the camera image display unit 420 displays an image taken by the camera S6.
- an image taken by the rear camera attached to the upper rear end of the upper swing body 3 is displayed on the camera image display unit 420.
- the camera image display unit 420 may display a camera image captured by the left camera attached to the upper left end of the upper swing body 3 or the right camera attached to the upper right end.
- the camera image display unit 420 may display images taken by a plurality of cameras among the left camera, the right camera, and the rear camera.
- the camera image display unit 420 may display a composite image generated based on a plurality of camera images captured by at least two of the left camera, the right camera, and the rear camera.
- the composite image may be, for example, an overhead image.
- Each camera is installed so that a part of the upper swing body 3 is included in the camera image.
- the operator can easily grasp the sense of distance between the object displayed on the camera image display unit 420 and the shovel.
- a camera icon 421 indicating the direction of the camera S6 that captured the camera image being displayed is displayed.
- the camera icon 421 includes an excavator icon 421a that represents the shape of the excavator and a band-shaped direction display icon 421b that represents the direction of the camera S6 that has captured the camera image being displayed.
- the camera icon 421 is a display unit that displays information related to the setting state of the excavator.
- a direction display icon 421b is displayed below the excavator icon 421a (the opposite side of the attachment). This indicates that an image of the rear space of the excavator photographed by the rear camera is displayed on the camera image display unit 420. For example, when an image captured by the right camera is displayed on the camera image display unit 420, the direction display icon 421b is displayed on the right side of the excavator icon 421a. For example, when an image captured by the left camera is displayed on the camera image display unit 420, a direction display icon 421b is displayed on the left side of the excavator icon 421a.
- the operator can switch an image to be displayed on the camera image display unit 420 to an image taken by another camera, for example, by pressing an image switching switch provided in the cabin 10.
- the work guidance display unit 430 displays guidance information for various work.
- FIG. 6 is a diagram illustrating an example of the work guidance display unit 430 of FIG.
- the work guidance display unit 430 displays toe guidance information that is an example of work part guidance information, a position display image 431, a first target construction surface display image 432, and a second target construction surface display image 433.
- Bucket left end information image 434, bucket right end information image 435, side view numerical value information image 436, front view numerical value information image 437, attachment image 438, distance display format image 439, and target setting image 440 are examples of work part guidance information.
- the position display image 431 has a relative distance from the work part of the bucket 6 to the target construction surface due to a change in the graphic display position of the work part (for example, the tip) of the bucket 6 with respect to the graphic display position of the target construction surface. It is an example of the 1st image showing a change.
- the position display image 431 is a bar gauge in which a plurality of figures (segments) are arranged in the vertical direction.
- the position display image 431 has a target segment G1 as the first graphic and a plurality of segments G2 as the second graphic.
- the first image is changed from the work site of the bucket 6 by changing the display location, that is, by displaying one segment G2 of the plurality of segments G2 in a different mode from the other segments G2. Represents the change in the relative distance to the construction surface.
- the target segment G1 is a graphic representing the position of the target construction surface. In a present Example, it is a figure (a straight line or a rectangle) which shows that the relative distance from the work site
- the predetermined range is a range set in advance as an appropriate relative distance range. That the relative distance is within the predetermined range means that the work site of the bucket 6 is in an appropriate position.
- the target segment G1 is arranged at the same height as the second image.
- a 2nd image expresses the change of the magnitude
- the display format at the same location includes, for example, an icon, a background color, a numerical value, and the like.
- the change in the display format of the second image is a change in at least one of the icon shape, color, and numerical value.
- the second image is a combination of the bucket left end information image 434 and the bucket right end information image 435.
- the target segment G1 is arranged at the same height as each of the bucket left end information image 434 and the bucket right end information image 435.
- the target segment G1, the bucket left end information image 434, and the bucket right end information image 435 are arranged so that the center heights in the vertical direction match.
- Each segment G2 is a figure corresponding to a predetermined relative distance. A segment G2 having a smaller relative distance is arranged closer to the target segment G1, and a segment G2 having a larger corresponding relative distance is arranged farther from the target segment G1.
- Each segment G2 indicates the moving direction of the bucket 6 together with the relative distance.
- the moving direction of the bucket 6 is a direction in which the work site of the bucket 6 is brought close to the target construction surface.
- the segment G2D represents that the target construction surface is approached when the bucket 6 is moved downward
- the segment G2U represents that the target construction surface is approached when the bucket 6 is moved upward.
- the position display image 431 displays the segment G2 corresponding to the actual relative distance from the work site of the bucket 6 to the target construction surface in a predetermined color different from the other segments G2.
- FIG. 6 shows a segment G2 displayed in a color different from that of the other segment G2 as a segment G2A.
- the position display image 431 shows the relative distance and the moving direction by displaying the segment G2A in a predetermined color.
- the segment G2 closer to the target segment G1 is displayed in a predetermined color as the segment G2A.
- the segment G2A is displayed so that its position changes in the vertical direction according to the change in the relative distance.
- the segment G2A is displayed in the first color when the relative distance is larger than the maximum value in the predetermined range.
- the first color is an inconspicuous color such as white or yellow. This is because it is less necessary to alert the operator when the relative distance is greater than the maximum value of the predetermined range.
- the maximum value of the predetermined range corresponds to a position higher than the target construction surface, and “when the relative distance is larger than the maximum value of the predetermined range”, for example, the work site of the bucket 6 is at a position significantly higher than the target construction surface. It means a certain case.
- the segment G2A is displayed in the second color when the relative distance is within the predetermined range.
- the second color is a conspicuous color such as green. This is to inform the operator that the bucket 6 is in an appropriate position.
- the segment G2A is displayed in the third color when the relative distance is smaller than the minimum value in the predetermined range.
- the third color is a conspicuous color such as red. This is to alert the operator that the target construction surface may be excessively cut by the work site of the bucket 6.
- the minimum value of the predetermined range corresponds to a position lower than the target construction surface, and “when the relative distance is smaller than the minimum value of the predetermined range”, for example, the work site of the bucket 6 is at a position that is significantly deeper than the target construction surface. It means a certain case.
- the position display image 431 displays the target segment G1 in a predetermined color different from other segments. That is, the position display image 431 indicates that the relative distance is within a predetermined range by displaying the target segment G1 in a predetermined color.
- the target segment G1 is preferably displayed in the second color described above. This is to inform the operator that the bucket 6 is in an appropriate position.
- segment G2A and the target segment G1 are displayed in a predetermined color
- the other segment G2 may be displayed in an inconspicuous color (such as the same or similar to the background color) or displayed. It does not have to be.
- the first target construction surface display image 432 schematically displays the relationship between the bucket 6 and the target construction surface.
- the bucket 6 and the target construction surface when viewed from the side are schematically displayed as a bucket icon G3 and a target construction surface image G4.
- the bucket icon G3 is a graphic representing the bucket 6, and is represented in a shape when the bucket 6 is viewed from the side.
- the target construction surface image G4 is a figure representing the ground as the target construction surface, and is represented in a shape when viewed from the side, like the bucket icon G3.
- the target construction surface image G4 is, for example, an angle formed between a line segment representing a target construction surface in a vertical plane that cuts through the bucket 6 and a horizontal line (a target slope angle, and hereinafter referred to as “longitudinal inclination angle”. May be displayed together.
- the vertical interval between the bucket icon G3 and the target construction surface image G4 may be displayed so as to change according to the change in the distance between the actual work site (for example, the tip) of the bucket 6 and the target construction surface.
- the relative inclination angle between the bucket icon G3 and the target construction surface image G4 may be displayed so as to change according to the change in the relative inclination angle between the actual bucket 6 and the target construction surface.
- the display height and the display angle of the target construction surface image G4 are changed in a state where the bucket icon G3 is fixed.
- the display height and the display angle of the bucket icon G3 may be changed in a state where the target construction surface image G4 is fixed, and the display heights of the bucket icon G3 and the target construction surface image G4 are displayed.
- the display angle may be changed.
- the second target construction surface display image 433 schematically displays the relationship between the bucket 6, the target construction surface, and the work site.
- the second target construction surface display image 433 includes a bucket icon G5, a target construction surface image G6, and a bucket 6 when the operator sits in the cabin 10 and looks at the front of the excavator. This is schematically displayed as a work site image G7.
- the bucket icon G5 is a figure representing the bucket 6 and is represented in the form of the bucket 6 when the operator sits in the cabin 10 and looks at the front of the shovel.
- the target construction surface image G6 is a figure representing the ground as the target construction surface (actually including the invisible ground). Like the bucket icon G5, the operator sits in the cabin 10 and looks at the front of the excavator.
- the target construction surface image G6 is an angle formed between a line segment representing a target construction surface in a vertical plane crossing the bucket 6 and a horizontal line (a target slope angle, hereinafter referred to as “lateral inclination angle”). ).
- the work part image G7 is a graphic showing the work part of the bucket 6.
- the work site is a site selected by the operator among the tips of the bucket 6. The operator can select the left end (left end toe), the right end (right end toe), the center (center toe), etc., as the work site among the tips of the bucket 6.
- the left and right here are the left and right when the operator sits in the cabin 10 and looks at the front of the excavator. In the example of FIG.
- the left end of the bucket 6 is selected as the work site.
- the work site image G7 is displayed superimposed on the left end of the bucket icon G5.
- the vertical interval between the bucket icon G5 and the target construction surface image G6 may be displayed so as to change according to a change in the distance between the actual tip of the bucket 6 and the target construction surface.
- the relative inclination angle between the bucket icon G5 and the target construction surface image G6 may be displayed so as to change according to the change in the relative inclination angle between the actual bucket 6 and the target construction surface.
- the work part image G7 corresponds to the position display image 431.
- the distance between the target construction surface image G6 and the work part image G7 corresponds to the distance between the target segment G1 and the segment G2A in the position display image 431.
- the operator can grasp the positional relationship between the bucket 6 and the target construction surface and the approximate vertical inclination angle of the target construction surface by viewing the first target construction surface display image 432.
- the first target construction surface display image 432 may display a target construction surface image G4 that is inclined so as to be larger than the actual inclination angle in order to improve the visibility of the operator.
- the operator wants to know an accurate vertical inclination angle
- the operator can know the actual vertical inclination angle by looking at the value of the vertical inclination angle displayed together with the target construction surface image G4. The same applies to the second target construction surface display image 433.
- the bucket left end information image 434 as the second image displays the distance between the left end of the bucket 6 and the target construction surface.
- the bucket left end information image 434 is displayed below the first target construction surface display image 432.
- the bucket left end information image 434 displays a left end distance G8 and a direction icon G9.
- the left end distance G8 is a numerical value indicating the distance between the left end of the tip of the bucket 6 and the target construction surface.
- the left end distance G8 is displayed as a positive value when the left end of the tip of the bucket 6 is located above the target construction surface. Further, the left end distance G8 is displayed as a negative value when the left end of the bucket 6 is positioned below the target construction surface.
- the left end distance G8 is 0.30 m in the example of FIG.
- the operator can know the exact left end distance by looking at the left end distance G8 displayed numerically in the bucket left end information image 434.
- the direction icon G9 is a graphic indicating the moving direction of the bucket 6.
- the moving direction of the bucket 6 is a direction in which the left end of the tip of the bucket 6 is brought close to the target construction surface.
- the direction icon G9 indicates a downward direction.
- the background color of the direction icon G9 and the bucket left end information image 434 is displayed so as to change according to the change in the left end distance G8.
- the direction icon G9 for example, the shape of the segment G2A displayed when the left end distance G8 is adopted as the relative distance may be displayed, or the combination of the shape of the segment G2A and the shape of the target segment G1 may be displayed. Good.
- the bucket right end information image 435 as the second image displays the distance between the right end of the bucket 6 and the target construction surface.
- the bucket right end information image 435 is displayed adjacent to the right side of the bucket left end information image 434 below the second target construction surface display image 433. That is, the bucket left end information image 434 and the bucket right end information image 435 are displayed at the same height.
- the bucket right end information image 435 displays a right end distance G10 and a direction icon G11.
- the right end distance G10 is a numerical value indicating the distance between the right end of the tip of the bucket 6 and the target construction surface.
- the right end distance G10 is displayed as a positive value when the right end of the tip of the bucket 6 is located above the target construction surface.
- the right end distance G10 is displayed as a negative value when the right end of the bucket 6 is positioned below the target construction surface.
- the right end distance G10 is 0.34 m unlike the value of the left end distance G8. This is because the tip of the bucket 6 is inclined with respect to the target construction surface in the example of FIG. The operator can know the exact right end distance by looking at the right end distance G10 displayed numerically in the bucket right end information image 435.
- the direction icon G11 is a graphic indicating the moving direction of the bucket 6.
- the moving direction of the bucket 6 is a direction in which the right end of the tip of the bucket 6 is brought close to the target construction surface. In the example of FIG.
- the direction icon G11 indicates the downward direction.
- the background colors of the direction icon G11 and the bucket right end information image 435 are displayed so as to change according to the change in the right end distance G10.
- the direction icon G11 for example, the shape of the segment G2A displayed when the right end distance G10 is adopted as the relative distance may be displayed, or a combination of the shape of the segment G2A and the shape of the target segment G1 may be displayed. Good.
- the background of the bucket left end information image 434 is displayed in the first color when the left end distance G8 is larger than the maximum value in the predetermined range.
- the first color is an inconspicuous color such as white or yellow. This is because when the left end distance G8 is larger than the maximum value of the predetermined range, it is less necessary to alert the operator.
- the background of the bucket left end information image 434 is displayed in the second color when the left end distance G8 is within a predetermined range.
- the second color is a conspicuous color such as green. This is to inform the operator that the left end of the tip of the bucket 6 is in an appropriate position.
- the background of the bucket left end information image 434 is displayed in the third color when the left end distance G8 is smaller than the minimum value of the predetermined range.
- the third color is a conspicuous color such as red. This is to alert the operator that the target construction surface may be excessively cut by the left end of the bucket 6.
- the side view numerical information image 436 displays the relationship between the bucket 6 and the target construction surface when viewed from the side.
- the side view numerical value information image 436 is displayed below the bucket left end information image 434.
- the side view numerical value information image 436 displays a vertical bucket angle G12 and a vertical bucket icon G13.
- the vertical bucket angle G12 is a numerical value that indicates a relative angle between the back surface of the bucket 6 and the target construction surface in a vertical plane that vertically cuts the bucket 6.
- the vertical bucket angle G12 is 10.34 ° in the example of FIG. The operator can know an accurate vertical bucket angle by looking at the value of the vertical bucket angle G12 displayed numerically in the side view numerical value information image 436.
- the vertical bucket icon G13 is a figure that schematically represents the vertical bucket angle G12.
- the vertical bucket icon G13 is represented, for example, in the form of the bucket 6 and the target construction surface when the bucket 6 is viewed from the side surface with the target construction surface as a reference.
- the inclination of the bucket portion in the vertical bucket icon G13 is represented by three stages of inclination. Each of the three grades indicates that the vertical bucket angle G12 is a positive value, zero, or a negative value.
- the inclination of the bucket portion in the vertical bucket icon G13 may be fixed, and may be displayed so as to change according to a change in the vertical bucket angle G12.
- the front view numerical information image 437 displays the relationship between the bucket 6 and the target construction surface when the operator sits in the cabin 10 and looks at the front of the excavator.
- the front view numerical value information image 437 is displayed adjacent to the right side of the side view numerical value information image 436 below the bucket right end information image 435.
- the front view numerical value information image 437 displays a horizontal bucket angle G14 and a horizontal bucket icon G15.
- the lateral bucket angle G14 is a numerical value indicating a relative angle between the toe line of the bucket 6 and the target construction surface in a vertical plane that crosses the bucket 6.
- the toe line of the bucket 6 is, for example, a line connecting the tips of a plurality of claws.
- the lateral bucket angle G14 is 12.11 ° in the example of FIG.
- the operator can know the accurate lateral bucket angle by looking at the value of the lateral bucket angle G14 displayed numerically in the front view numerical information image 437.
- the horizontal bucket icon G15 is a figure that schematically represents the horizontal bucket angle G14.
- the horizontal bucket icon G15 is represented, for example, in the form of the bucket 6 and the target construction surface when the operator sits in the cabin 10 and looks at the front of the excavator on the basis of the target construction surface.
- the inclination of the bucket portion in the horizontal bucket icon G15 is represented by three levels of inclination, as in the case of the vertical bucket icon G13.
- Each of the three grades indicates that the lateral bucket angle G14 is a positive value, zero, or a negative value.
- the inclination of the bucket portion in the horizontal bucket icon G15 may be fixed, and may be displayed so as to change according to the change in the horizontal bucket angle G14.
- the attachment image 438 is an image representing the attached attachment.
- the attachment image 438 is displayed at the lower end of the work guidance display unit 430.
- Various end attachments such as a bucket 6, a rock drill, a grapple, and a lifting magnet are mounted on the excavator.
- the attachment image 438 displays, for example, marks representing these end attachments and numbers corresponding to the end attachments. End attachment numbers are registered in advance.
- the attachment image 438 indicates that the bucket 6 corresponding to the number 1 is attached as an end attachment.
- a mark representing the rock drill is displayed in the attachment image 438 together with a number corresponding to the rock drill.
- the distance display format image 439 is an image representing the display format of the left end distance G8 displayed in the bucket left end information image 434 and the right end distance G10 displayed in the bucket right end information image 435.
- the distance display format image 439 is displayed at the lower end of the work guidance display unit 430 adjacent to the right side of the attachment image 438.
- the left end distance G8 and the right end distance G10 are displayed in either a vertical distance display format or a normal distance display format, for example.
- the vertical distance is a distance in the vertical direction with respect to the target construction surface.
- the normal distance is a distance in the normal direction with respect to the target construction surface.
- the operator can select the display format of the left end distance G8 and the right end distance G10 from the vertical distance display format or the normal distance display format.
- the left end distance G8 and the right end distance G10 are displayed in the display format selected by the operator.
- the distance display format image 439 displays a mark that represents the display format selected by the operator. In the example of FIG. 6, the left end distance G8 and the right end distance G10 are displayed in the vertical distance display format.
- the target setting image 440 is an image representing whether or not a target value and a target construction surface have been set.
- the target setting image 440 is displayed at the lower end of the work guidance display unit 430 adjacent to the right side of the distance display format image 439.
- the target setting image 440 displays a mark corresponding to whether the target value and the target construction surface have been set.
- the target setting image 440 represents that the target value and the target setting image have already been set.
- FIGS. 6 to 9 are diagrams showing an example of the work guidance display unit 430.
- FIG. 6 to 9 correspond to different relative distances.
- the working part is the left end of the tip of the bucket 6, and the relative distance is the left end distance G8.
- the first predetermined range of the relative distance is set to ⁇ 0.03 m or more and 0.03 m or less
- the second predetermined range is set to ⁇ 0.01 m or more and 0.01 m or less.
- the relative distance (left end distance G8) is 0.30 m
- the right end distance G10 is 0.34 m
- the segment G2 corresponding to 0.30 m is displayed as the segment G2A.
- the segment G2A is the third segment G2 from the top. Since the work part of the bucket 6 is located above the target construction surface, the segment G2A indicates the downward direction. Since the relative distance (left end distance G8) and the right end distance G10 are both larger than the first predetermined range, the segment G2A, the background of the bucket left end information image 434 as the second image, and the bucket right end information as the second image are also used.
- the background of the image 435 is displayed in the first color, and only the outline of the target segment G1 is displayed.
- the target construction surface images G4 and G6 are displayed below the bucket icons G3 and G5 by a distance corresponding to the relative distance (0.30 m), respectively.
- As the direction icons G9 and G11 graphics having the same shape as the segment G2A are displayed.
- FIG. 7 shows a display example when the bucket 6 is lowered toward the target construction surface further than in the case of FIG.
- the relative distance (left end distance G8) is 0.02 m
- the right end distance G10 is 0.06 m
- the segment G2 corresponding to 0.02 m is displayed as the segment G2A.
- the segment G2A is the fifth segment G2 from the top. Since the work part of the bucket 6 is located above the target construction surface, the segment G2A indicates the downward direction. Since the relative distance (left end distance G8) is within the first predetermined range, the background of the segment G2A, the target segment G1, and the bucket left end information image 434 as the second image is a conspicuous color such as green.
- the target construction surface images G4 and G6 are displayed below the bucket icons G3 and G5 by a distance corresponding to the relative distance (0.02 m), respectively. As a result, as shown in FIG. 7, the target construction surface images G4 and G6 are displayed closer to the bucket icons G3 and G5 than in the example of FIG. As the direction icon G9, a graphic having the same shape as the segment G2A and the target segment G1 is displayed.
- the direction icon G11 a graphic having the same shape as the segment G2A is displayed. This means that when the right end distance G10 is adopted as the relative distance, only the fourth segment G2 from the top is displayed in a predetermined color in the position display image 431.
- the segment G2A displayed when the relative distance is within the first predetermined range is larger than the other segments G2. This is to inform the operator that the work site of the bucket 6 is in an appropriate position.
- FIG. 8 shows a display example when the bucket 6 is lowered toward the target construction surface further than in the case of FIG.
- the relative distance (left end distance G8) is ⁇ 0.01 m
- the right end distance G10 is 0.03 m.
- the segment G2 corresponding to ⁇ 0.01 m is displayed as the segment G2A.
- the segment G2A is the fifth and sixth segments G2 from the top. This is because the segment G2A indicates that the relative distance is within the second predetermined range.
- the two segments G2A, the target segment G1, the background of the bucket left end information image 434, and the bucket The background of the right end information image 435 is displayed in a second color that is a conspicuous color such as green.
- the work guidance display unit 430 can inform the operator that the left end and the right end of the bucket 6 are both at appropriate positions.
- the target construction surface images G4 and G6 are displayed below the bucket icons G3 and G5 by a distance corresponding to the relative distance ( ⁇ 0.01 m), respectively.
- the direction icon G9 two segments G2A and a third graphic are displayed.
- the third graphic is a graphic representing the target construction surface.
- the third graphic is a graphic having the same shape as the target segment G1.
- the target segment G1 as the first graphic and the third graphic are displayed at the same height.
- the direction icon G11 a graphic having the same shape as the upper segment G2A and the target segment G1 is displayed. This means that when the right end distance G10 is adopted as a relative distance, only the upper segment G2A and the target segment G1 in FIG. 8 are displayed in a predetermined color in the position display image 431.
- the relative distance (left end distance G8) is ⁇ 0.04 m
- the right end distance G10 is 0.00 m
- the segment G2 corresponding to ⁇ 0.04 m is displayed as the segment G2A.
- the segment G2A is the seventh segment G2 from the top. Since the work part of the bucket 6 is located below the target construction surface, the segment G2A indicates the upward direction. Since the relative distance (left end distance G8) is outside the first predetermined range, the background of the segment G2A and the bucket left end information image 434 is displayed in the third color. Further, since the right end distance G10 is within the second predetermined range, the background of the bucket right end information image 435 is displayed in the second color.
- the target construction surface images G4 and G6 are displayed below the bucket icons G3 and G5 by a distance corresponding to the relative distance ( ⁇ 0.04 m), respectively. As a result, as shown in FIG. 9, the target construction surface images G4 and G6 are displayed so as to be superimposed on part of the bucket icons G3 and G5, respectively.
- As the direction icon G9 a graphic having the same shape as the segment G2A is displayed.
- As the direction icon G11 a graphic having the same shape as the direction icon G9 in FIG. 8 is displayed. This means that when the right end distance G10 is adopted as the relative distance, the position display image 431 displays the two segments G2A and the target segment G1 as shown in FIG.
- the segment G2A, the target segment G1, and the bucket left end information image 434 and the bucket right end information image 435 as the second image are displayed.
- At least one of the backgrounds is displayed in the second color at the same height. Since a series of images displayed at the same height in the second color has very high visibility, the operator looks at the work guidance display unit 430 in the peripheral visual field, for example, so that the work part and the target of the bucket 6 are displayed. It can be easily grasped that the distance to the construction surface is in an appropriate range, that is, that the work site of the bucket 6 is in an appropriate position.
- the operator can easily grasp the approximate lateral bucket angle G14 from the background color of the bucket left end information image 434 and the bucket right end information image 435 as the second image. For example, when the backgrounds of the bucket left end information image 434 and the bucket right end information image 435 are both displayed in the second color, it is considered that the lateral bucket angle G14 is sufficiently small. On the other hand, when both the bucket left end information image 434 and the background of the bucket right end information image 435 are not displayed in the second color, it is considered that the lateral bucket angle G14 is large. Thus, the operator can easily grasp the approximate lateral bucket angle G14 by looking at the work guidance display unit 430 in the peripheral visual field, for example.
- the machine guidance device 50 is configured as a control device separate from the controller 30.
- the present invention is not limited to this configuration.
- the machine guidance device 50 may be integrated into the controller 30.
- the output image Gx is displayed on the display device D3 installed in the cabin 10, but may be displayed on a display device installed outside the cabin 10.
- a display device may be displayed on a display device connected to a management device such as a server installed in an external facility such as a management center.
- information regarding the output image Gx is transmitted to the outside via a communication device attached to the excavator.
- the device for remotely operating the excavator includes, for example, a smartphone, a tablet PC, a notebook PC, and the like.
- the display device D3 may be a wearable display such as a smart glass or a head mounted display worn by an operator of the excavator.
- the wearable display may include a camera for capturing a scene actually viewed by the operator.
- various information, such as work part guidance information may be displayed in augmented reality.
- Display in augmented reality means displaying information using AR technology. In this case, the operator can perform excavation work while looking at work part guidance information virtually displayed near the actual bucket 6 viewed through the wearable display.
- the display device D3 may be a transmissive display such as an organic EL display or an inorganic EL display.
- the display device D3 may be integrated with the windshield FG of the shovel.
- Various information such as work site guidance information may be displayed in an augmented reality. In this case, the operator can perform excavation work while viewing work part guidance information virtually displayed near the actual bucket 6 viewed through the windshield FG.
- Pressure sensor 30 Controller 30a ... Temporary storage unit 50 ... Machine guidance device 55 ... Fuel accommodation unit 55a ... Fuel accommodation amount detection unit 70 ... Storage battery 72 ... Electrical component 75: Engine speed adjustment dial 411: Time display section 412: Speed mode display section 413: Travel mode display section 415: Engine control status display section 416: Urea Water remaining amount display unit 417 ... Fuel remaining amount display unit 418 ... Cooling water temperature display unit 419 ... Engine operating time display unit 420 ... Camera image display unit 421 ... Camera icon 421a ... Excavator Icon 421b Direction display icon 430 Work guidance display section 431 Position display image 4 2 ... First target construction surface display image 433 ... Second target construction surface display image 434 ...
- Target construction surface image G7 ... Work site image G8 ... Left end distance G9 ... Direction icon G10 ⁇ ⁇ Right end distance G11 ... Direction icon G12 ... Vertical bucket angle G13 ... Vertical bucket icon G14 ... Horizontal bucket angle G15 ... Horizontal bucket icon Gx ... Output image S1 ... Boom angle Sensor S2 ... Arm angle sensor S3 ... Bucket angle sensor S4 ... Airframe tilt sensor S5 ... Turning angular velocity sensor S6 ... Camera
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- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
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- Operation Control Of Excavators (AREA)
Abstract
Description
Claims (12)
- マシンガイダンス機能又はマシンコントロール機能を有するショベルであって、
下部走行体と、
前記下部走行体に旋回可能に搭載される上部旋回体と、
前記上部旋回体に搭載される運転室と、
前記上部旋回体に取り付けられるアタッチメントと、
前記運転室内に設けられた表示装置と、
を備え、
前記表示装置は、事前に設定された目標施工面の位置を表す第1図形と、該第1図形に関して縦方向に並ぶ、前記アタッチメントの作業部位と前記目標施工面との間の距離の大きさの変化を、表示箇所を変化させることで表す第2図形とを含む第1画像、及び、前記目標施工面に対する前記アタッチメントの作業部位の距離の大きさの変化を、同一箇所における表示形式を変化させることで表す第2画像を表示し、
前記第1図形は、前記第2画像と同一の高さに表示される
ショベル。 - 前記第2画像は、前記アタッチメントの先端の左端と前記目標施工面との間の距離と、前記アタッチメントの先端の右端と前記目標施工面との間の距離と、の少なくとも一方を示す
請求項1に記載のショベル。 - 前記作業部位は、前記アタッチメントの先端のうち、操作者により選択された部位である
請求項1に記載のショベル。 - 前記作業部位と前記目標施工面との間の距離が所定範囲内である場合、前記第1図形と、前記第2画像の少なくとも一部と、は同一の色により表示される
請求項1に記載のショベル。 - 前記作業部位と前記目標施工面との間の距離が所定範囲内である場合に所定の色で表示される前記第2図形は、前記作業部位と前記目標施工面との間の距離が所定範囲外である場合に所定の色で表示される前記第2図形より大きい
請求項1に記載のショベル。 - 前記第2図形は、下方向を示す図形と上方向を示す図形とを含み、
前記作業部位が前記目標施工面より上方に位置している場合、前記下方向を示す図形が所定の色で表示され、前記作業部位が前記目標施工面より下方に位置している場合、前記上方向を示す図形が所定の色で表示される
請求項1に記載のショベル。 - 前記作業部位が前記目標施工面と同一の高さである場合、前記下方向を示す図形と前記上方向を示す図形とが所定の色で表示される
請求項6に記載のショベル。 - 前記第2画像の表示形式の変化は、アイコン形状、色、及び、数値の少なくともいずれかの変化である
請求項1に記載のショベル。 - 前記作業部位が前記目標施工面と同一の高さである場合、前記第2画像における、前記目標施工面を表す第3図形は、前記第1図形と同一の高さに表示される
請求項1に記載のショベル。 - 前記第2画像は、前記目標施工面と、前記アタッチメントと、操作者により設定された前記作業部位と、の関係を示す
請求項1に記載のショベル。 - ショベルの表示装置であって、
前記表示装置は、事前に設定された目標施工面の位置を表す第1図形と、該第1図形に関して縦方向に並ぶ、アタッチメントの作業部位と前記目標施工面との間の距離の大きさの変化を、表示箇所を変化させることで表す第2図形とを含む第1画像、及び、前記目標施工面に対する前記アタッチメントの作業部位の距離の大きさの変化を、同一箇所における表示形式を変化させることで表す第2画像を表示し、
前記第1図形は、前記第2画像と同一の高さに表示される
ショベルの表示装置。 - ショベルにおける画像の表示方法であって、
事前に設定された目標施工面の位置を表す第1図形と、該第1図形に関して縦方向に並ぶ、アタッチメントの作業部位と前記目標施工面との間の距離の大きさの変化を、表示箇所を変化させることで表す第2図形とを含む第1画像、及び、前記目標施工面に対する前記アタッチメントの作業部位の距離の大きさの変化を、同一箇所における表示形式を変化させることで表す第2画像を表示し、
前記第1図形は、前記第2画像と同一の高さに表示される
ショベルにおける画像の表示方法。
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EP18775230.8A EP3604695B1 (en) | 2017-03-31 | 2018-03-28 | Shovel with display device and image display method in shovel |
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