WO2015025372A1 - 管理システム及び管理方法 - Google Patents
管理システム及び管理方法 Download PDFInfo
- Publication number
- WO2015025372A1 WO2015025372A1 PCT/JP2013/072225 JP2013072225W WO2015025372A1 WO 2015025372 A1 WO2015025372 A1 WO 2015025372A1 JP 2013072225 W JP2013072225 W JP 2013072225W WO 2015025372 A1 WO2015025372 A1 WO 2015025372A1
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- WIPO (PCT)
- Prior art keywords
- loading
- dump truck
- time
- processing device
- entrance
- Prior art date
Links
- 238000007726 management method Methods 0.000 title description 57
- 238000001514 detection method Methods 0.000 claims abstract description 92
- 238000007599 discharging Methods 0.000 claims description 45
- 239000002689 soil Substances 0.000 claims description 24
- 230000032258 transport Effects 0.000 description 74
- 238000004891 communication Methods 0.000 description 49
- 238000010586 diagram Methods 0.000 description 19
- 238000005065 mining Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- E02F9/20—Drives; Control devices
- E02F9/2025—Particular purposes of control systems not otherwise provided for
- E02F9/205—Remotely operated machines, e.g. unmanned vehicles
-
- 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
- E02F9/20—Drives; Control devices
- E02F9/2025—Particular purposes of control systems not otherwise provided for
- E02F9/2054—Fleet management
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
- G06Q10/06312—Adjustment or analysis of established resource schedule, e.g. resource or task levelling, or dynamic rescheduling
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/02—Agriculture; Fishing; Forestry; Mining
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q99/00—Subject matter not provided for in other groups of this subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
Definitions
- the present invention relates to a mining machine management system and management method.
- Patent Document 1 discloses a technique related to a management system that manages an unloading operation using an IC tag.
- This invention aims at providing the management system and management method of a mining machine which can suppress the productivity fall in a mine.
- the management system includes a first detection device that detects position information of a first transport machine that can travel on a transport path leading to a mine loading site, and a position of a second transport machine that can travel on the transport path.
- a second detection device that detects information; and a processing device that outputs a detection result of each of the first detection device and the second detection device.
- the processing device is configured to output the product based on the detection result.
- the processing apparatus may define a time when the second transport machine arrives behind the first transport machine as an arrival time when the second transport machine arrives at the entrance.
- the second transport machine arrives behind the first transport machine, stops traveling, waits at the entrance of the loading site, moves from the entrance to the loading position of the loading site, and
- the processing device moves to the loading position of the loading field after the standby state at the standby position of the entrance is released based on the position information of the second transporting machine output from the second detection device.
- the processing device travels in a state in which the load of the second transport machine is not loaded based on the position information of the second transport machine output from the second detection device, and loads at the loading position.
- the processing device may calculate a standby time of the second transport machine from the arrival time to the time when the standby state is canceled.
- the processing device may calculate a time required for a cycle operation of the second transporting machine that reciprocates between the loading field and the earth discharging site where the discharging operation of the load is performed.
- the management method detects position information of a first transport machine capable of traveling on a transport path leading to a mine loading site, and detects position information of a second transport machine capable of traveling on the transport path. And the second transport machine is located behind the first transport machine in a standby state at the entrance of the loading site based on the detection results of the position information of the first transport machine and the second transport machine. Determining that the second transport machine has arrived at the entrance upon arrival.
- FIG. 1 is a diagram illustrating an example of a mining machine management system according to the present embodiment.
- FIG. 2 is a diagram illustrating an example of a management apparatus according to the present embodiment.
- FIG. 3 is a diagram illustrating an example of the dump truck according to the present embodiment.
- FIG. 4 is a diagram illustrating an example of a dump truck control system according to the present embodiment.
- FIG. 5 is a diagram illustrating an example of the loading machine according to the present embodiment.
- FIG. 6 is a diagram illustrating an example of a control system of the loading machine according to the present embodiment.
- FIG. 7 is a flowchart showing an example of the operation of the dump truck in one cycle according to the present embodiment.
- FIG. 1 is a diagram illustrating an example of a mining machine management system according to the present embodiment.
- FIG. 2 is a diagram illustrating an example of a management apparatus according to the present embodiment.
- FIG. 3 is a diagram illustrating an example of the dump truck according to the present embodiment.
- FIG. 8 is a schematic diagram showing an example of the operation of the dump truck in one cycle according to the present embodiment.
- FIG. 9 is a schematic diagram illustrating an example of the operation of the dump truck according to the present embodiment.
- FIG. 10 is a schematic diagram illustrating an example of the operation of the dump truck according to the present embodiment.
- FIG. 11 is a flowchart showing an example of the operation of the dump truck in one cycle according to the present embodiment.
- FIG. 12 is a diagram showing the relationship between the total cycle time and the reference cycle time.
- FIG. 1 is a diagram schematically illustrating a site to which a management system 1 for a mining machine according to the present embodiment is applied.
- a management system 1 includes a management device 10 that is disposed in a control facility 7 and manages a mining machine, and a communication system 9 that can transmit information.
- the management system 1 manages the operation of the mining machine and evaluates the productivity.
- a mining machine is a general term for machines used for various operations in a mine.
- a dump truck 2 that transports earth and sand generated by mining as a load is managed as a kind of transporting machine of a mining machine.
- the dump truck 2 is a so-called unmanned dump truck that operates according to a command signal from the management device 10, and an operator (driver) does not get on the dump truck 2.
- the mining machine may include a loading machine 3 such as a hydraulic excavator that loads a load on the dump truck 2.
- the dump truck 2 In the mine, the dump truck 2 is transported between the loading site LPA where the loading operation is performed and the discharging site DPA where the discharging operation is performed, to the loading site LPA and the discharging site DPA. Travel on the road HL.
- the loading machine 3 loads a load onto the dump truck 2 at the loading site LPA.
- the dump truck 2 loaded with the load at the loading position LP of the loading site LPA travels on the conveyance path HL and moves to the earth discharging site DPA, and discharges the load at the earth discharging position DP of the earth discharging site DPA.
- the dump truck 2 that has discharged the load at the dump site DPA travels on the transport path HL and moves to the load site LPA.
- the communication system 9 includes a wireless communication system, and transmits information between the management device 10, the dump truck 2, and the loading machine 3.
- the management device 10, the dump truck 2, and the loading machine 3 can communicate wirelessly via the communication system 9.
- the position of the dump truck 2 and the position of the loading machine 3 are detected using an omnidirectional positioning system (Global Positioning System: GPS).
- GPS Global Positioning System
- the GPS has a GPS satellite 5 and detects a position in a coordinate system (GPS coordinate system) that defines latitude, longitude, and altitude.
- the position detected by the GPS includes latitude, longitude, and altitude coordinate data (coordinate values).
- the position of the dump truck 2 and the position of the loading machine 3 in the mine are detected by GPS.
- the position detected by the GPS is an absolute position defined in the GPS coordinate system. In the following description, a position detected by the GPS is appropriately referred to as a GPS position.
- FIG. 2 is a functional block diagram illustrating an example of the management apparatus 10 according to the present embodiment.
- the management device 10 includes a computer system 11, a display device 16, an input device 17, and a wireless communication device 18.
- the computer system 11 includes a processing device 12, a storage device 13, and an input / output unit 15.
- the display device 16, the input device 17, and the wireless communication device 18 are connected to the computer system 11 via the input / output unit 15.
- the input / output unit 15 is used for input / output (interface) of information between the processing device 12 and at least one of the display device 16, the input device 17, and the wireless communication device 18.
- the processing device 12 includes a CPU (Central Processing Unit) and executes various processes related to the management of the dump truck 2.
- the processing device 12 processes the information regarding the position of the dump truck 2 acquired via the communication system 9 and generates a travel route CS on which the dump truck 2 travels.
- the travel route CS is generated in the GPS coordinate system, and the dump truck 2 travels in accordance with the travel route CS generated by the processing device 12 in at least a part of the loading site LPA, the earth discharging site DPA, and the transport path HL. .
- the storage device 13 includes at least one of a RAM (Random Access Memory), a ROM (Read Only Memory), a flash memory, and a hard disk drive, and stores various types of information related to the management of the dump truck 2.
- the display device 16 includes, for example, a flat panel display such as a liquid crystal display, and can display information regarding the position of the dump truck 2.
- the input device 17 includes at least one of a keyboard, a touch panel, a mouse, and an operation switch, and an operation signal is input by being operated.
- the operation signal input to the input device 17 is input to the processing device 12. That is, the input device 17 functions as an operation unit that can input an operation signal to the processing device 12.
- the communication system 9 includes a wireless communication device 18 disposed in the control facility 7.
- the wireless communication device 18 includes an antenna 18 ⁇ / b> A and is connected to the processing device 12 via the input / output unit 15.
- the wireless communication device 18 can receive information transmitted from at least one of the dump truck 2 and the loading machine 3 and outputs the received information to the processing device 12.
- Information received by the wireless communication device 18 is stored (registered) in the storage device 13.
- the wireless communication device 18 can transmit information to at least one of the dump truck 2 and the loading machine 3. For example, information regarding the travel route CS generated by the processing device 12 is transmitted to the dump truck 2 via the communication system 9.
- FIG. 3 is a diagram schematically illustrating the appearance of the dump truck 2 according to the present embodiment
- FIG. 4 is a functional block diagram of the dump truck 2 according to the present embodiment.
- the dump truck 2 includes a vehicle body 21, a vessel 22, wheels 23, a processing device 20, a storage device 25, a pressure sensor 26, a speed sensor 27, and an antenna 28A. Are connected to each other, and a position detection device 29 to which an antenna 29A is connected.
- the vehicle body 21 is provided with a drive device including an internal combustion engine, and the wheels 23 are driven by the drive device.
- the wheel 23 includes a tire and a wheel, and rotates by power transmitted from the driving device.
- the vessel 22 includes a loading platform on which a load is loaded, and is disposed on the upper portion of the vehicle body 21 so as to be swingable. In the loading operation, the load is loaded onto the vessel 22 by the loading machine 3, and in the discharging operation, the vessel 22 is raised and the load is discharged.
- the pressure sensor 26 detects a load acting on the suspension cylinder, and detects a load on the vessel 22 and detects a weight (loading amount) of the load by detecting a pressure of hydraulic oil in the suspension cylinder. Functions as a sensor.
- the pressure sensor 26 is connected to the processing device 20 and outputs a detection signal to the processing device 20.
- the speed sensor 27 detects the rotational speed of the wheel 23 and detects the traveling speed of the dump truck 2.
- the speed sensor 27 is connected to the processing device 20 and outputs a detection signal to the processing device 20.
- the position detection device 29 includes a GPS receiver and detects the GPS position of the dump truck 2.
- the position detection device 29 has a GPS antenna 29A disposed on the dump truck 2, and detects the GPS position of the dump truck 2 by detecting the GPS position of the antenna 29A.
- the position detection device 29 is connected to the processing device 20 and outputs a detection signal to the processing device 20.
- the processing device 20 includes a CPU (Central Processing Unit) and executes various processes related to the management of the dump truck 2.
- the processing device 20 controls the traveling of the dump truck 2 so that the dump truck 2 travels according to the traveling route CS generated by the processing device 12.
- Control of traveling of the dump truck 2 includes control of operation of the dump truck 2 including at least one operation of a steering, an accelerator, and a brake.
- the storage device 25 includes at least one of a RAM (Random Access Memory), a ROM (Read Only Memory), a flash memory, and a hard disk drive, and stores various types of information related to the management of the dump truck 2.
- a RAM Random Access Memory
- ROM Read Only Memory
- flash memory a flash memory
- hard disk drive a hard disk drive
- the communication system 9 includes a wireless communication device 28 disposed on the dump truck 2.
- the wireless communication device 28 has an antenna 28 ⁇ / b> A and is connected to the processing device 20.
- the wireless communication device 28 can receive information (including a command signal) transmitted from at least one of the management device 10 and the loading machine 3, and outputs the received information to the processing device 20.
- Information received by the wireless communication device 28 is stored (registered) in the storage device 25.
- the processing device 20 can control the traveling of the dump truck 2 according to the command signal received by the wireless communication device 28.
- the wireless communication device 28 can transmit information to at least one of the management device 10 and the loading machine 3. For example, at least one detection signal of the pressure sensor 26, the speed sensor 27, and the position detection device 29 is transmitted to the management device 10 via the communication system 9.
- FIG. 5 is a diagram schematically illustrating the appearance of the loading machine 3 according to the present embodiment
- FIG. 6 is a functional block diagram of the loading machine 3 according to the present embodiment.
- the loading machine 3 includes a traveling body 38, a revolving body 37, an arm 35, a bucket 34, a processing device 30, a storage device 39, and an antenna 32 ⁇ / b> A.
- the excavator includes a wireless communication device 32, a position detection device 33 to which an antenna 33A is connected, a display device 36, and an input device 31.
- the worker WM gets on the loading machine 3 and the loading operation is performed by the operation of the worker WM.
- the loading machine 3 is an example of a hydraulic excavator, but may be a wheel loader.
- the position detection device 33 includes a GPS receiver and detects the GPS position of the loading machine 3.
- the position detection device 33 includes a GPS antenna 33A disposed on the loading machine 3 and detects the GPS position of the loading machine 3 by detecting the GPS position of the antenna 33A.
- the position detection device 33 is connected to the processing device 30 and outputs a detection signal to the processing device 30.
- the processing device 30 includes a CPU (Central Processing Unit) and executes various processes related to the management of the loading operation of the loading machine 3.
- the storage device 39 includes at least one of a RAM (Random Access Memory), a ROM (Read Only Memory), a flash memory, and a hard disk drive, and stores various types of information related to the management of the loading operation of the loading machine 3.
- the display device 36 includes, for example, a flat panel display such as a liquid crystal display, and includes information related to the position of the dump truck 2, information related to the position of the loading machine 3, and an operating state of the loading machine 3 (for example, engine water temperature, etc. ) Can be displayed.
- the input device 31 includes at least one of a keyboard, a touch panel, and an operation switch, and generates an operation signal when operated.
- the operation signal generated by the input device 31 is input to the processing device 30. That is, the input device 31 functions as an operation unit that can input an operation signal to the processing device 30.
- An operator (driver) WM of the loading machine 3 can generate an operation signal by operating the input device 31, and can input an operation signal to the processing device 30 via the input device 31.
- the communication system 9 includes a wireless communication device 32 arranged in the loading machine 3.
- the wireless communication device 32 has an antenna 32 ⁇ / b> A and is connected to the processing device 30.
- the wireless communication device 32 can receive information (including a command signal) transmitted from at least one of the management device 10 and the dump truck 2, and outputs the received information to the processing device 30.
- Information received by the wireless communication device 32 is stored (registered) in the storage device 39.
- the wireless communication device 32 can transmit information to at least one of the management device 10 and the dump truck 2. For example, an operation signal generated by the input device 31 is transmitted to at least one of the management device 10 and the dump truck 2 via the communication system 9.
- the dump truck 2 is loaded with the loading machine 3 at the loading position LP of the mine loading site LPA, and then departs from the loading site LPA toward the dumping site DPA. After traveling through HL and arriving at the dumping site DPA, the cargo is discharged at the dumping position DP of the dumping site DPA. After discharging, the dumping site DPA is moved toward the loading site LPA. A series of starting, traveling on the transport path HL and arriving at the loading site LPA, then loading work is performed at the loading position DP, and again leaving the loading site LPA toward the dumping site DPA. Repeat the operation.
- Loading site LPA is an area (place) where loading work is performed in the mine, and loading position LP is a position (loading point) where loading work is performed at loading site LPA
- the loading operation is an operation for loading a load onto the dump truck 2.
- the earth removal site DPA is an area (place) where the load discharge work is performed in the mine, and the earth discharge position DP is the position (discharge point) where the load discharge work is performed at the earth discharge site DPA. Is an operation of unloading (discharging) the load from the dump truck 2.
- the transport path HL connects the loading site LPA and the earth discharging site DPA, and the dump truck 2 can travel back and forth between the loading site LPA and the earth discharging site DPA by traveling on the transport path HL.
- the loading position LP and the soil discharging position DP are defined by the processing device 12.
- Each of the loading position LP and the soil discharging position DP may be a partial position of the travel route CS generated by the
- a series of dump trucks 2 from starting at loading site LPA, arriving at loading site LPA via dumping site DPA for discharging cargo, and again leaving loading site LPA The operation is appropriately referred to as a cycle operation, and one cycle operation is appropriately referred to as one cycle.
- the cycle operation includes an operation in which the dump truck 2 reciprocates between the loading site LPA and the earth discharging site DPA.
- one cycle is not limited to this.
- the loading operation and the discharging operation at the earth discharging site DPA are performed, and then the loading site LPA is again performed.
- a series of operations until arriving at the site may be defined as one cycle, or a sequence of operations from leaving the dumping site DPA to passing through the loading site LPA and then leaving the dumping site DPA again.
- One cycle may be defined.
- the second loading operation is performed after one cycle operation after the first loading operation
- the loading position LP and the second product in the first loading operation are performed.
- the loading position LP in the loading operation may be the same position or a different position.
- the soil discharge position DP in the first discharge operation and the discharge in the second discharge operation are performed.
- the soil position DP may be the same position or a different position.
- the first loading operation is performed, the first loading operation is performed through one cycle operation, and in the case where the second loading operation is performed, the loading site LPA and the second loading operation are performed.
- the loading site LPA where the loading operation is performed may be the same loading site LPA or a different loading site LPA.
- the earth discharging site DPA in which the first discharging operation is performed and the second discharging operation are performed.
- the same earth removal site DPA may be used as the earth removal site DPA, or different earth removal site DPA.
- the dump truck 2 performs a plurality of operations.
- a plurality of operations of the dump truck 2 are, for example, a discharging operation for discharging the load at the dumping site DPA, and after the discharging operation at the dumping site DPA to an entrance of the loading site LPA in an unloaded state where no load is loaded.
- the plurality of operations of the dump truck 2 include a travel stop operation for stopping travel on the transport path HL.
- the position information of the dump truck 2 is detected using GPS. That is, the GPS position of the dump truck 2 is detected by the position detection device 29 including the GPS receiver arranged on the dump truck 2. Information regarding the GPS position of the dump truck 2 detected by the position detection device 29 is output to the processing device 12 of the management device 10 via the communication system 9.
- the processing device 12 is based on the position information of the dump truck 2 output from the position detection device 29, and the start time and the end time of at least one of the plurality of operations of the dump truck 2 described above. Specify one or both. For example, the processing device 12 starts and ends the discharge operation, the start and end times of the unloading operation, and the entrance standby operation based on the GPS position of the dump truck 2 output from the position detection device 29. Specify the start time and end time, the start time and end time of the spot travel operation, the start time and end time of the loading operation, the start time and end time of the load travel operation, and the start time and end time of the travel stop operation. .
- the processing device 12 can derive the time required for the operation based on the start time and the end time of the operation of the dump truck 2.
- the processing device 12 can derive the discharge work time required for the dump truck 2 to perform the discharge work based on the start time and the end time of the discharge operation, and based on the start time and the end time of the unloading operation, It is possible to derive the empty travel time during which the dump truck 2 traveled in a state where no load is loaded, and the dump truck 2 waited at the entrance of the loading site LPA based on the start time and the end time of the entrance standby operation.
- the waiting time at the entrance can be derived, and dumping is performed up to the loading position LP at the loading site LPA after the waiting state at the waiting position at the entrance of the loading site LPA is canceled based on the start time and end time of the spot operation.
- the spot time required for the time required for the truck 2 to move can be derived, and the loading work time required for the dump truck 2 to perform the loading work based on the start time and the end time of the loading operation.
- Based on the start time and end time of the load travel operation it is possible to derive the load travel time during which the dump truck 2 travels while the load is loaded, and the start time and end time of the travel stop operation. Based on the above, it is possible to derive the stop time when the traveling of the dump truck 2 is stopped in the transport path HL.
- a plurality of dump trucks 2 are operated, and each of the plurality of dump trucks 2 performs a cycle operation.
- Information on the GPS positions of the plurality of dump trucks 2 is output to the processing device 12 of the management device 10 via the communication system 9.
- the processing device 12 Based on the position information of each of the plurality of dump trucks 2, the processing device 12 defines the start time and the end time of the operation of each of the dump trucks 2 and derives the time required for the operation.
- Step SA1 Loading operation for the dump truck 2 arranged at the loading position LP of the loading site LPA is started (step SA1).
- Information regarding the GPS position of the dump truck 2 when the loading operation is being performed at the loading position LP is output to the processing device 12 of the management device 10 via the communication system 9.
- the processing device 12 defines the time point when the dump truck 2 is arranged at the loading position LP as the starting time Ts1 of the loading operation of the dump truck 2.
- the dump truck 2 travels according to the travel route CS generated by the processing device 12, and the travel route CS includes the loading position LP. That is, the loading position LP is defined by the processing device 12 in the GPS coordinate system, and the processing device 12 loads the dump truck 2 based on the information regarding the GPS position of the dump truck 2 output from the position detection device 29. It can be determined whether or not it is arranged at the position LP.
- the processing device 12 determines whether or not the dump truck 2 is disposed at the loading position LP based on the travel route CS (loading position LP) generated by the processing device 12 and the detection result of the position detection device 29.
- the point in time when the dump truck 2 is arranged at the loading position LP is defined as the starting point Ts1 of the loading operation of the dump truck 2.
- the input device 31 When the loading operation is completed, the input device 31 is operated by the worker WM of the loading machine 3 (step SA2).
- the input device 31 includes a touch panel, and the touch panel includes an operation unit (input button) for notifying the dump truck 2 and the management device 10 of the completion of the loading operation.
- the worker WM operates the operation unit (presses the input button).
- the operation signal generated by the input device 31 is output to the processing device 12 of the management device 10 and the processing device 20 of the dump truck 2 via the communication system 9.
- the processing device 12 defines the end time Te1 of the loading operation of the dump truck 2 based on the operation signal generated by the input device 31 at the end of the loading operation.
- the processing device 12 may define the end point Te1 when the operation signal is generated by the input device 31 in a state where the dump truck 2 exists at the loading position LP. That is, when the loading position LP defined by the processing device 12 and the GPS position of the dump truck 2 detected by the position detection device 29 coincide with each other, the input device 31 is operated and the operation time signal Te1 is reached. May be the point in time when the operation signal is input to the processing device 12.
- the operation signal generated by the input device 31 includes a command signal for departure from the loading position LP for the dump truck 2.
- the operation signal generated by the input device 31 is input to the processing device 20 of the dump truck 2 via the communication system 9, the dump truck 2 departs from the loading position LP toward the dumping site DPA.
- the processing device 12 of the management device 10 that has received the operation signal from the input device 31 may instruct the dump truck 2 to start from the loading position LP via the communication system 9.
- the processing device 12 may define the end time Te1 based on the position information of the dump truck 2 output from the position detection device 29.
- the processing device 12 is based on the information about the GPS position of the dump truck 2 output from the position detection device 29. It can be determined whether or not the dump truck 2 has departed from the loading position LP.
- the processing device 12 determines whether or not the dump truck 2 has started to move from the loading position LP based on the detection result of the position detecting device 29, and the dump truck 2 has started to move from the loading position LP.
- the point of time when the dump truck 2 is loaded may be defined as the end point Te1 of the loading operation of the dump truck 2.
- the dump truck 2 After completion of the loading operation, the dump truck 2 starts a loading operation (Step SA3).
- the processing device 12 defines the start time Ts2 of the load traveling operation of the dump truck 2 based on the operation signal generated by the input device 31 at the end of the loading operation.
- the start time Ts2 of the load traveling operation is the time when the input device 31 is operated and the operation signal is generated (the time when the operation signal is input to the processing device 12). It is the same as the end time Te1.
- the processing device 12 determines whether or not the dump truck 2 has started moving from the loading position LP based on the detection result of the position detecting device 29, and the dump truck 2 has moved from the loading position LP.
- the processing device 12 defines the time point when the operation signal is generated by the input device 31 at the end of the loading operation as the end time Te1, and the dump truck 2 is loaded at the loading position LP based on the detection result of the position detection device 29.
- the time point at which it is determined that the movement from is started may be defined as the start time point Ts2.
- the dump truck 2 travels according to the travel route CS generated by the processing device 12 in the loaded state, and arrives at the entrance GD of the dumping site DPA.
- the dump truck 2 that has arrived at the entrance GD of the earth removal site DPA enters the earth removal site DPA from the entrance GD, travels toward the earth removal position DP, and arrives at the earth removal position DP (step SA4).
- the processing device 12 defines the time point at which the dump truck 2 is disposed at the earthing position DP as the end time Te2 of the load traveling operation of the dump truck 2.
- the dump truck 2 travels according to the travel route CS generated by the processing device 12, and the travel route CS includes the soil removal position DP.
- the earth removal position DP is defined by the processing device 12 in the GPS coordinate system, and the processing device 12 is configured to remove the dump truck 2 based on the information regarding the GPS position of the dump truck 2 output from the position detection device 29. It can be determined whether or not it is arranged at the position DP.
- the processing device 12 determines whether or not the dump truck 2 is disposed at the soil discharging position DP based on the travel route CS (the soil discharging position DP) generated by the processing device 12 and the detection result of the position detecting device 29. Then, the point in time when the dump truck 2 is arranged at the soil discharging position DP is defined as the end point Te2 of the load traveling operation of the dump truck 2.
- the processing device 12 performs the load traveling operation of the dump truck 2 in the first load traveling operation from the loading site LPA to the intersection of the conveyance path HL and the first operation from the intersection of the conveyance path HL to the dumping site DPA.
- the start time and end time of the first load travel operation of the dump truck 2 and the start time and end time of the second load travel operation may be defined separately.
- One or both of the end time of the first load travel operation and the start time of the second load travel operation include the time when the dump truck 2 passes the intersection of the conveyance path HL, and is based on the GPS position of the dump truck 2 Can be prescribed.
- the processing device 12 includes the third load travel operation from the intersection of the conveyance path HL to the first soil discharge field DPA, and the fourth load travel operation from the intersection of the transport path HL to the second soil discharge field DPA.
- the start time and end time of the third load traveling operation of the dump truck 2 and the start time and end time of the fourth load traveling operation may be defined.
- One or both of the start time point of the third load travel operation and the start time point of the fourth load travel operation include a time point when the dump truck 2 passes the intersection of the conveyance path HL, and is based on the GPS position of the dump truck 2 Can be prescribed.
- the dump truck 2 After completion of the cargo traveling operation, the dump truck 2 starts the discharging operation (step SA5).
- the processing device 12 outputs (transmits) a discharge operation command signal to the dump truck 2 disposed at the soil discharge position DP.
- the processing device 20 of the dump truck 2 that has received the command signal raises the vessel 22. Thereby, the load is discharged from the vessel 22 (step SA6).
- the dump truck 2 starts from the soil discharge position DP toward the loading site LPA.
- the processing device 12 defines the time point when the dump truck 2 is disposed at the soil discharge position DP as the start time Ts3 of the dump truck 2 discharge operation. That is, in the present embodiment, the discharge operation start time Ts3 is the same as the load travel operation end time Te2, and the end time Te2 is defined as the start time Ts3. Further, since the time required for the discharge operation is as short as several seconds, in the present embodiment, the processing device 12 defines the discharge operation start time Ts3 as the discharge operation end time Te3. That is, in the present embodiment, the end time Te3 of the discharge operation is the same as the start time Ts3 of the discharge operation. In addition, the processing apparatus 12 may prescribe
- the processing device 12 may define the end time Te2 and the start time Ts3 to be different.
- the processing device 12 may define the end time Te2 when the dump truck 2 is disposed at the earthing position DP and define the start time Ts3 when the vessel 22 starts to rise.
- the processing device 12 may define the start time Ts3 and the end time Te3 to be different.
- the processing device 12 defines the start time Ts3 when the discharge operation command signal is output or when the rise of the vessel 22 starts, and the detection result of the pressure sensor 26 that can detect the weight of the load on the vessel 22.
- the end time Te3 may be defined as the time when it is determined that the discharge of the load has been completed.
- the processing device 12 may define the end time Te3 of the dump truck 2 discharge operation based on the position information of the dump truck 2 output from the position detection device 29.
- the processing device 12 is based on the information regarding the GPS position of the dump truck 2 output from the position detection device 29. It can be determined whether or not the dump truck 2 has departed from the soil discharge position DP.
- the processing device 12 determines whether or not the dump truck 2 has started to move from the soil discharge position DP based on the detection result of the position detection device 29, and the dump truck 2 has started to move from the soil discharge position DP. May be defined as the end time Te3 of the discharge operation of the dump truck 2.
- the dump truck 2 After completion of the discharging operation, the dump truck 2 starts an empty traveling operation (Step SA7).
- the start time Ts3 (or the end time Te3) of the discharge operation is defined as the start time Ts4 of the empty travel operation. That is, in the present embodiment, the start time Ts3, the end time Te3, and the start time Ts4 are the same.
- the start time Ts3 (or the end time Te3) and the start time Ts4 may be different.
- the processing device 12 may define the start time Ts4 of the empty traveling operation of the dump truck 2 based on the position information of the dump truck 2 output from the position detection device 29.
- the processing device 12 determines whether or not the dump truck 2 has started moving from the soil discharging position DP based on the detection result of the position detecting device 29, and the dump truck 2 starts moving from the soil discharging position DP. This time may be defined as the start time Ts4 of the unloading operation of the dump truck 2.
- the dump truck 2 travels in an empty state according to the travel route CS generated by the processing device 12 and arrives at the entrance GL of the loading site LPA. As a result, the dump truck 2 ends the empty travel operation on the transport path HL (step SA8).
- the processing device 12 defines the point in time when the dump truck 2 arrives at the entrance GL of the loading site LPA as the end point Te4 of the unloading operation of the dump truck 2. As described above, the dump truck 2 travels according to the travel route CS generated by the processing device 12, and the travel route CS includes the position of the entrance GL.
- the position of the entrance GL is defined by the processing device 12 in the GPS coordinate system, and the processing device 12 determines that the dump truck 2 is connected to the entrance GL based on the information on the GPS position of the dump truck 2 output from the position detection device 29. It can be determined whether or not it has arrived.
- the processing device 12 determines whether or not the dump truck 2 has arrived at the entrance GL based on the travel route CS (position of the entrance GL) generated by the processing device 12 and the detection result of the position detection device 29.
- the point in time when the dump truck 2 arrives at the entrance GL is defined as the end point Te4 of the empty traveling operation of the dump truck 2.
- the processing device 12 performs the empty traveling operation of the dump truck 2 from the earth discharging site DPA to the intersection of the conveyance path HL and from the intersection of the conveyance path HL to the loading field LPA.
- the start time and end time of the first unloading operation of the dump truck 2 and the start time and end time of the second unloading operation may be defined. Good.
- One or both of the end time of the first unloading operation and the start time of the second unloading operation include the time when the dump truck 2 passes the intersection of the transport path HL, and the GPS position of the dump truck 2 is Can be defined based on.
- the processing device 12 when branching from the intersection of the conveyance path HL to the conveyance path HL leading to the first loading field LPA and the conveyance path HL leading to the second loading field LPA, the processing device 12
- the empty load travel operation is performed by the third empty load travel operation from the intersection of the transport path HL to the first loading field LPA, and the fourth empty load from the intersection of the transport path HL to the second loading field LPA.
- the start time and end time of the third empty load travel operation of the dump truck 2 and the start time and end time of the fourth empty load travel operation may be defined separately from the travel operation.
- One or both of the start time point of the third unloading traveling operation and the start time point of the fourth unloading traveling operation include the time point when the dump truck 2 passes the intersection of the conveyance path HL, and the GPS position of the dump truck 2 is Can be defined based on.
- the number of dump trucks 2 that can be placed (accessible) at the loading site LPA is limited. Therefore, when a predetermined number of dump trucks 2 already exist in the loading site LPA, at least one dump truck 2 of the loading site LPA has arrived at the dump truck 2 that has arrived at the entrance GL of the loading site LPA. It waits (stops) at the entrance GL until it moves out of the LPA. Then, after at least one of the dump trucks 2 at the loading site LPA moves out of the loading site LPA and the standby state of the dump truck 2 waiting at the entrance GL is released, the dump at the entrance GL is released. The truck 2 moves to the loading position LP of the loading site LPA.
- FIG. 9 is a schematic diagram showing an example of the loading area LPA. A loading operation by the loading machine 3 is performed on the dump truck 2 located at the loading position LP of the loading field LPA. FIG. 9 shows a state where the dump truck 2C is waiting at the entrance GL of the loading site LPA.
- the dump truck 2 is predetermined until the previous dump truck 2C enters the loading site LPA or after the previous dump truck 2C enters the loading site LPA and starts the loading operation at the loading position LP. There is a case of waiting at the entrance GL until the time elapses. Further, the loading position LP may change in the loading site LPA depending on the mining situation or the like, and the entrance of the loading site LPA until the travel route CS corresponding to the changed loading position LP is created. There are cases where the dump truck 2 stands by in the GL.
- the GPS position of the dump truck 2C is detected by the position detection device 29 mounted on the dump truck 2C, and the GPS position of the dump truck 2 is detected by the position detection device 29 mounted on the dump truck 2.
- the detection results of the position detection device 29 of the dump truck 2C and the position detection device 29 of the dump truck 2 are output to the processing device 12 via the communication system 9.
- the processing device 12 can determine whether the dump truck 2C has arrived at the entrance GL based on the detection result of the position detection device 29 of the dump truck 2C.
- the processing device 12 also dumps behind the dump truck 2C that has arrived at the entrance GL and is in a standby state based on the detection result of the position detection device 29 of the dump truck 2C and the detection result of the position detection device 29 of the dump truck 2. It can be determined whether the truck 2 has arrived.
- the processing device 12 determines that the dump truck 2 has arrived at the entrance GL when the dump truck 2 has arrived behind the dump truck 2C in the standby state at the entrance GL.
- the processing device 12 defines the point in time when the dump truck 2 in the empty state arrives behind the dump truck 2C in the standby state at the entrance GL as the arrival point when the dump truck 2 arrives at the entrance GL. In the present embodiment, the processing device 12 defines a point in time when the dump truck 2 arrives behind the dump truck 2C in the standby state at the entrance GL as an end point Te4 of the empty truck traveling operation of the dump truck 2.
- step SA9 When the dump truck 2 arrives behind the dump truck 2C in the standby state at the entrance GL and the running of the dump truck 2 is stopped, the standby operation of the dump truck 2 at the entrance GL is started (step SA9).
- the processing device 12 defines the time point when the dump truck 2 arrives behind the dump truck 2C in the standby state at the entrance GL as the start time Ts5 of the entrance standby operation of the dump truck 2. That is, in the present embodiment, the end time Te4 of the unloading travel operation is the same as the start time Ts5 of the entrance standby operation.
- the processing device 12 After at least one of the dump trucks 2 at the loading site LPA has moved out of the loading site LPA and the dump truck 2 waiting at the entrance GL is ready to enter the loading site LPA, the processing device 12 outputs (transmits) a command signal to start traveling to the dump truck 2 waiting at the entrance GL. As a result, the standby state of the dump truck 2 is released, and the entrance standby operation ends (step SA10).
- the dump truck 2 released from the standby state starts traveling and enters the loading site LPA from the entrance GL according to the traveling route CS.
- the processing device 12 defines the point in time Te5 of the entrance standby operation of the dump truck 2 when the dump truck 2 in a standby state at the entrance GL starts to travel (restarts).
- the processing device 12 defines the end time Te5 based on the position information of the dump truck 2 output from the position detection device 29.
- the processing device 12 is based on the information regarding the GPS position of the dump truck 2 output from the position detection device 29. It can be determined whether or not the dump truck 2 has departed from the standby position of the entrance GL.
- the processing device 12 determines whether or not the dump truck 2 has started moving from the standby position of the entrance GL based on the detection result of the position detection device 29, and the dump truck 2 moves from the standby position of the entrance GL.
- the start time is defined as the end time Te5 of the entrance standby operation of the dump truck 2. Note that the processing device 12 may define the end time Te5 as a time point when the standby state of the dump truck 2 at the entrance GL is canceled and a command signal for starting travel is output.
- the dump truck 2 After completion of the entrance standby operation, the dump truck 2 starts the spot operation (step SA11).
- the spot operation refers to an operation of moving from the standby state at the standby position of the entrance GL to the loading position LP of the loading site LPA.
- the processing device 12 starts the spot operation based on the time when the dump truck 2 starts moving from the standby position of the entrance GL based on the position information of the dump truck 2 output from the position detection device 29. It is defined at time Ts6. That is, in the present embodiment, the end time Te5 of the entrance standby operation is the same as the start time Ts6 of the spot operation.
- the processing apparatus 12 may prescribe
- the dump truck 2 that has arrived at the entrance GL of the loading site LPA enters a standby state, but the predetermined amount is stored in the loading site LPA.
- the number of dump trucks 2 does not exist (when the loading site LPA is empty)
- the dump truck 2 that has arrived at the entrance GL of the loading site LPA does not stop (wait) at the entrance GL, and You may enter LPA and travel to loading position LP.
- the point in time when the dump truck 2 passes the entrance GL of the loading site LPA may be defined as the end time Te4 of the unloading operation of the dump truck 2 or the spot operation start time Ts6. Also good.
- the dump truck 2 travels according to the travel route CS generated by the processing device 12, and moves from the entrance GL to the loading position LP. As a result, the spot operation ends (step S12).
- the processing device 12 defines the time when the dump truck 2 arrives at the loading position LP as the spot operation end time Te6.
- the processing device 12 determines whether or not the dump truck 2 is disposed at the loading position LP based on the information regarding the GPS position of the dump truck 2 output from the position detection device 29, and the dump truck 2 is loaded at the loading position LP.
- the point in time when it is placed in the LP is defined as the end point Te6 of the spot operation of the dump truck 2.
- the spot operation may be divided into a first spot operation and a second spot operation.
- first spot operation when the dump truck 2 enters the loading position LP, after the dump truck 2 moves forward from the entrance GL to the loading site LPA with the front portion of the dump truck 2 directed to the loading position LP.
- the steering operation of the dump truck 2 is performed so that the rear part of the dump truck 2 is directed to the loading position LP, and then the so-called switchback operation in which the dump truck 2 enters the loading position LP while moving backward. May be performed.
- the dump truck 2 may wait at a predetermined position (switchback position) of the loading site LPA that is away from the loading position LP before starting reverse travel.
- the processing apparatus 12 sets the operation of the dump truck 2 that moves from the standby state at the standby position of the inlet GL to the switchback position as the first spot operation and moves from the switchback position to the loading position LPA.
- the operation of the dump truck 2 to be performed may be the second spot operation.
- the processing device 12 may define the start point and end point of the first spot operation of the dump truck 2 and the start point and end point of the second spot operation.
- the spot operation end point Te6 is the same as the loading operation start point Ts1.
- a loading operation is performed on the dump truck 2 disposed at the loading position LP.
- the processing device 12 defines the start time Ts7 and the end time Te7 of the travel stop operation of the dump truck 2. Based on the GPS position of the dump truck 2 output from the position detection device 29, the processing device 12 can define the start time Ts7 and the end time Te7 of the travel stop operation on the conveyance path HL.
- the GPS position of the dump truck 2 does not change.
- the GPS position of the dump truck 2 changes.
- the start time Ts7 and the end time Te7 of the travel stop operation can be defined.
- the processing device 12 may define the start time Ts7 and the end time Te7 of the travel stop operation based on the detection result of the speed sensor 27 of the dump truck 2.
- a plurality of dump trucks 2 are operated, and a start time (Ts1 to Ts7) and an end time (Te1 to Te7) of each operation are defined for each of the plurality of dump trucks 2.
- Each of the plurality of dump trucks 2 has an identifier (ID), and the processing device 12 associates the identifier with the identifier, and each operation of each of the plurality of dump trucks 2 starts (Ts1 to Ts7) and ends ( Te1 to Te7) are defined.
- the processing device 12 can derive the time required for each operation based on the start time (Ts1 to Ts7) and the end time (Te1 to Te7) of each operation for each of the plurality of dump trucks 2. For example, the processing device 12 calculates the entrance standby time of the dump truck 2 from the arrival time when the dump truck 2 arrives at the entrance GL until the standby state at the entrance GL is released based on the start time Ts5 and the end time Te5. Can be calculated.
- the loading position LP is determined on one side of the loading machine 3, and the empty dump truck 2 is sequentially arranged at the loading position LP.
- the time when 2 was placed at the loading position LP was defined as the loading operation start time Ts1.
- loading positions LP are determined on both sides of the loading machine 3, and the loading position LP on the other side is loaded during the loading operation on the dump truck 2 arranged at the loading position LP on one side.
- the dump truck 2 is arranged.
- FIG. 10 is a schematic diagram showing an example of the loading site LPA
- FIG. 11 is a flowchart showing an example of the loading operation.
- the loading machine 3 performs the loading operation on the dump truck 2C arranged at the loading position LPc of the loading field LPA (step SC1).
- the loading position LPc is determined on one side of the loading machine 3.
- Information regarding the GPS position of the dump truck 2C when the loading operation is performed at the loading position LPc is output to the processing device 12 of the management device 10 via the communication system 9.
- the input device 31 is operated by the worker WM of the loading machine 3 (step SC2).
- the worker WM pushes (operates) the input button when the loading operation on the dump truck 2C is completed.
- the operation signal generated by the input device 31 is output to each of the processing device 12 of the management device 10 and the processing device 20 of the dump truck 2C via the communication system 9.
- the processing device 12 defines the end time Te1 of the loading operation of the dump truck 2C based on the operation signal generated by the input device 31 at the end of the loading operation (step SC3).
- the end time Te1 of the loading operation of the dump truck 2C includes the start time Ts2 of the loading operation of the dump truck 2C.
- the operation signal generated by the input device 31 at the end of the loading operation for the dump truck 2C includes a departure command signal from the loading position LPc for the dump truck 2C.
- the dump truck 2C starts from the loading position LPc toward the dumping site DPA.
- the processing device 12 of the management device 10 that has received the operation signal from the input device 31 may instruct the dump truck 2C to leave from the loading position LPc via the communication system 9.
- the loading machine 3 loads the load onto the dump truck 2 disposed at the loading position LP (step SA1).
- the dump truck 2 arrives at the loading position LP before the loading operation for the dump truck 2C is completed (step SA0).
- the loading position LP is a position different from the loading position LPc, and is determined on the other side of the loading machine 3. That is, in the present embodiment, in the loading operation of loading a load onto the dump truck 2C disposed at the loading position LPc, the dump truck 2 is already disposed at the loading position LP different from the loading position LPc.
- the dump truck 2 that has arrived at the loading position LP stands by (stops traveling) at the loading position LP until the loading operation on the dump truck 2C is completed.
- the loading position LPc and the loading position LP are different positions.
- the loading position LPc is determined on one side of the loading machine 3, and The loading position LP is determined on the other side.
- the loading machine 3 turns after completion of the loading operation on the dump truck 2C arranged at the loading position LPc, and loads on the dump truck 2 already arranged at the loading position LP in the loading operation on the dump truck 2C. Doing work.
- the loading position LPc and the loading position LP are included in the travel route CS, for example, and are defined by the processing device 12.
- the loading machine 3 performs loading work (both-side loading work) on each of the dump truck 2C and the dump truck 2 arranged on both sides.
- the arrival time when the dump truck 2 arrives at the loading position LP is the end time Te6 of the spot operation of the dump truck 2, and is obtained based on information on the GPS position of the dump truck 2.
- the processing device 12 obtains the GPS position of the dump truck 2 based on the detection result of the position detection device 29, and defines (sets) the arrival time Te6 based on the GPS position of the dump truck 2.
- the processing device 12 may define the arrival time Te6 based on at least one of the detection result of the speed sensor 27 and the information regarding the GPS position of the dump truck 2.
- the operation signal generated by the input device 31 in step SC2 is a notification signal of completion of loading operation for the dump truck 2C and a start command signal from the loading position LPc of the dump truck 2C, and also the product for the dump truck 2 This is a notification signal of the start of the loading operation.
- the operation signal generated by the input device 31 is output to the processing device 12 of the management device 10 and the processing device 20 of the dump truck 2 via the communication system 9.
- the processing device 12 defines (sets) the loading work start time Ts1 for the dump truck 2 based on the operation signal generated by the input device 31 at the end of the loading work for the dump truck 2C. That is, in the present embodiment, the processing device 12 defines the loading work start time Ts1 for the dump truck 2 based on the operation signal generated by the input device 31 at the start of the loading operation.
- the time from the arrival time Te6 when the dump truck 2 arrives at the loading position LP to the start time Ts1 at which the loading operation on the dump truck 2 is started is the time of the dump truck 2 at the loading position LP. It is a waiting time (stop time).
- the arrival time Te6 is defined based on the detection result of the position detection device 29, and the start time Ts1 is based on the operation signal generated by the input device 31 at the end of the loading operation on the dump truck 2C. It is prescribed.
- the processing device 12 defines the time point when the operation signal from the input device 31 is input in a state where the dump truck 2 exists at the loading position LP as the start time point Ts1.
- the start time Ts1 is operated by the input device 31 being operated. Is the time when is generated.
- the processing device 12 arrives when the dump truck 2 has arrived at the loading position LP based on the detection result of the position detecting device 29 and the operation signal generated by the input device 31 at the end of the loading operation on the dump truck 2C.
- the waiting time from the time point Te6 to the loading work start time point Ts1 is derived.
- the input device 31 When the loading operation on the dump truck 2 is completed, the input device 31 is operated by the worker WM of the loading machine 3 (step SA2).
- the operation signal generated by the input device 31 is output to the processing device 12 of the management device 10 and the processing device 20 of the dump truck 2 via the communication system 9.
- the processing device 12 defines the end time Te1 of the loading operation for the dump truck 2 based on the operation signal generated by the input device 31 when the loading operation for the dump truck 2 is completed.
- the operation signal generated by the input device 31 at the end of the loading operation for the dump truck 2 includes a starting command signal from the loading position LP for the dump truck 2.
- the processing device 12 defines the start time Ts2 of the load traveling operation of the dump truck 2 based on the operation signal generated by the input device 31 at the end of the loading operation on the dump truck 2 (step SA2).
- the processing device 12 defines the time point when the operation signal is generated by the input device 31 (the time point when the operation signal is input to the processing device 12) as the start time point Ts2 (step SA3).
- step SA2 the operation signal generated by the input device 31 at the end of the loading operation on the dump truck 2 (step SA2). Based on the above, the start time Ts1 of the loading operation for the next dump truck 2 is defined.
- the processing device 12 outputs an allocation command for the dump truck 2 in the mine to the dump truck 2 based on the position information of each of the plurality of dump trucks 2.
- the signal related to the allocation command may be output based on the operation of the input device 17 by the operator, or the processing device 12 may calculate the allocation of the dump truck 2 and automatically output it.
- the processing device 12 defines the start time and end time of each operation of the plurality of dump trucks 2 based on the position information of the dump truck 2, and the dump truck 2 associated with each operation of the dump truck 2. Accurately grasp position information and time information (start time and end time).
- the processing device 12 can appropriately perform the vehicle allocation management based on the position information and time information of the dump truck 2 associated with each operation of the dump truck 2, and outputs a vehicle allocation command (allocation command). be able to.
- the processing capacity of the loading machine 3 existing in each loading site LPA for example, the number of dump trucks 2 that can be loaded per unit time
- the number of dump trucks 2 allocated to the loading machine 3 having a low processing capacity is increased, the number of dump trucks 2 that have to wait for the loading operation increases, and the productivity in the mine is increased. May be reduced.
- the processing device 12 is configured to prevent a decrease in productivity in the mine based on accurate time information of the dump truck 2 associated with each operation of the dump truck 2 (loading). Deriving how many dump trucks 2 should be allocated to which loading site LPA (loading machine 3) so that the number of dump trucks 2 that have to wait for work does not increase) it can.
- the processing device 12 can output the derived allocation of the dump truck 2 to each of the plurality of dump trucks 2.
- the travel time (load travel time, empty travel time) of the dump truck 2 in the transport path HL may be different for each transport path HL.
- the traveling time of the dump truck 2 on the transport path HL may be different depending on the work situation such as the repair work of the transport path HL.
- the traveling time of the dump truck 2 on the conveyance path HL may change depending on the number of intersections of the conveyance path HL.
- the travel time of the dump truck 2 from the first position of the transport path HL to the intersection depends on the characteristics of the transport path HL and the work situation. And the traveling time of the dump truck 2 from the intersection of the transport path HL to the second position may be different.
- the first loading field LPA when branching from the intersection of the transport path HL to the transport path HL leading to the first loading field LPA and the transport path HL leading to the second loading field LPA, the first loading field LPA
- the traveling time of the dump truck 2 traveling on the transport path HL leading to the first loading field LPA depending on the characteristics and work conditions of the transport path HL leading to the second loading field DPA
- the traveling time of the dump truck 2 traveling on the conveyance path HL leading to the second loading field LPA is different.
- the first soil discharge field DPA when branching from the intersection of the transport path HL to the transport path HL leading to the first soil discharge field DPA and the transport path HL leading to the second soil discharge field DPA, the first soil discharge field DPA
- the traveling time of the dump truck 2 traveling on the transport path HL leading to the first soil disposal site DPA, depending on the characteristics and work conditions of the transport path HL leading to the second soil disposal site DPA There is a possibility that the traveling time of the dump truck 2 traveling on the conveyance path HL leading to the second earth discharging site DPA is different.
- the traveling speed of the dump truck 2 must be limited depending on the characteristics of the transportation path HL and the situation at the site, and as a result, the traveling time of the dump truck 2 on the transportation path HL may change.
- the operation, position information, and time information of the dump truck 2 such as how much time it takes for the dump truck 2 to travel on which conveyance path HL (load traveling, empty traveling) are taken. Therefore, the processing device 12 can perform appropriate vehicle allocation management or vehicle allocation commands so that the dump truck 2 does not run at low speed or traffic jams.
- the departure site DPA is departed.
- the dump truck 2 passing through the intersection of the transport path HL and going to the first loading field LPA is passed through the transport path HL leading to the first loading field LPA and the entrance of the first loading field LPA. Even if an allocation command is output to the dump truck 2 so that the dump truck 2 travels on the conveyance path HL toward the second loading place LPA so that the dump truck 2 does not run at low speed or traffic jams. Good.
- the loading field LPA is departed.
- the dump truck 2 passing through the intersection of the transport path HL and heading for the first dumping site DPA causes the dump truck 2 to run at a low speed and congestion on the transport path HL leading to the first dumping site DPA.
- An allocation command may be output to the dump truck 2 so that the dump truck 2 travels on the conveyance path HL toward the second dumping site DPA.
- the processing device 12 accurately grasps the position information and time information (time required for the operation) associated with each operation of the dump truck 2, and therefore, based on the information, the mine It is possible to determine an appropriate number of dump trucks 2 to be loaded into the vehicle. Similarly, when there are too many dump trucks 2 input to the mine, the processing apparatus 12 can determine an appropriate number of dump trucks 2 input to the mine.
- the start time and the end time of the predetermined operation of the dump truck 2 are defined based on the position information of the dump truck 2, it is associated with the position information of the dump truck 2. It is possible to accurately obtain the start time and end time of the predetermined operation. That is, according to the present embodiment, since the position information and time information of the dump truck 2 on which the operation is performed are accurately obtained in association with each of the plurality of operations of the dump truck 2, the dump truck 2 in the mine Accurate vehicle allocation status (allocation status, operating status) can be acquired. Therefore, it is possible to perform appropriate vehicle allocation management (assignment management) that suppresses a decrease in productivity in the mine based on the acquired vehicle allocation situation.
- the processing device 12 can grasp for each dump truck 2 how long it takes to perform what operation at which position in the mine. In order not to occur, each of the plurality of dump trucks 2 can travel toward an appropriate site (loading site LPA, earth discharging site DPA).
- the dump truck 2 when the dump truck 2 arrives at a position (standby position) behind the dump truck 2C in the standby state at the entrance GL of the loading site LPA and away from the dump truck 2C by a predetermined distance. It is determined that the dump truck 2 has arrived at the entrance GL. Therefore, even when the dump truck 2C is waiting at the entrance GL, the empty travel time of the dump truck 2 can be accurately obtained. Therefore, on the basis of the determined unloading travel time, appropriate vehicle allocation management is performed so that the number of dump trucks 2 that have to wait for loading work does not increase in each of the plurality of loading sites LPA. It can be carried out.
- the previous dump truck at the loading site LP (loading position LPc).
- the next dump truck 2 arrives at the loading position LP while the loading operation for 2C is being performed, based on the operation signal generated by the input device 31 at the end of the loading operation for the dump truck 2C. Since the start time Ts1 of the loading operation for the dump truck 2 is defined, an appropriate dispatch is considered in consideration of the waiting time from the arrival time Te6 when the dump truck 2 arrives at the loading position LP to the start time Ts1. Management can be performed.
- the operation signal generated by the input device 31 at the end of the loading operation is used for defining the end time Te1 and the start time Ts2, and the departure from the loading position LP with respect to the dump truck 2 Also serves as a command signal. Therefore, if the input device 31 is not operated, the dump truck 2 does not start from the loading position LP but stays at the loading position LP. This prevents the worker WM from forgetting to operate the input device 31.
- the position information of the dump truck 2 is detected using GPS.
- the method of detecting the position information of the dump truck 2 is not limited to the method using GPS.
- the position information of the dump truck 2 may be obtained by dead reckoning navigation using a gyro sensor and a speed sensor arranged on the dump truck 2.
- the processing device 12 may obtain the time (cycle time) required for one cycle from the time required for each of the plurality of operations of the dump truck 2. For example, the processing device 12 can obtain the cycle time from the start time Ts1 and the start time Ts1 after one cycle. Further, the processing device 12 cycles from a start time Ts2 (end time Te1) defined based on the operation signal generated by the input device 31 and a start time Ts2 (end time Te1) after one cycle. You can also ask for time.
- the mine site status (excavation status, work status, etc.) changes every moment, and accordingly, the travel stop time on the transport path HL may change.
- a cycle time that is not affected by on-site conditions a cycle time that does not include the travel stop time in the transport path HL
- the time required for each of the operations described above discharge operation time, empty travel time, entrance waiting time
- Spot time loading work time
- the travel stop time on the conveyance path HL and the loading are calculated from the total cycle time.
- the cycle time obtained by subtracting the waiting time at the position LP (the time from the arrival time Te6 to the loading position LP to the loading operation start time Ts1) may be obtained, or the travel stop on the transport path HL is stopped from the total cycle time. You may obtain
- dispatch management of the dump truck 2 in the mine may be performed based on the cycle time that is not affected by the site conditions.
- the dump truck 2 may be a so-called manned dump truck that is operated by an operator (driver) operation.
- Management system Dump truck (transport machine) 3 loading machine 9 communication system 10 management device 12 processing device 13 storage device 18 wireless communication device 20 processing device 25 storage device 28 wireless communication device 29 position detection device 29A antenna 30 processing device 31 input device 32 wireless communication device 33 position detection device 39 Storage Device DP Excavation Position DPA Excavation Site HL Transport Path LP Loading Position LPA Loading Site
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Abstract
Description
図1は、本実施形態に係る鉱山機械の管理システム1が適用される現場を模式的に示す図である。図1において、管理システム1は、管制施設7に配置され、鉱山機械の管理を行う管理装置10と、情報を伝達可能な通信システム9と、を備えている。管理システム1は、鉱山機械の運行を管理したり、生産性を評価したりする。鉱山機械とは、鉱山において各種作業に用いる機械類の総称である。本実施形態においては、鉱山機械の一種の運搬機械として、鉱山の採掘により発生した土砂等を積荷として運搬するダンプトラック2が管理される例について説明する。ダンプトラック2は、管理装置10からの指令信号により作動する、所謂、無人ダンプトラックであり、ダンプトラック2に作業者(運転者)は搭乗しない。なお、鉱山機械が、ダンプトラック2に積荷を積み込む油圧ショベルのような積込機械3を含んでもよい。
次に、管制施設7に配置される管理装置10について説明する。図2は、本実施形態に係る管理装置10の一例を示す機能ブロック図である。図1及び図2に示すように、管理装置10は、コンピュータシステム11と、表示装置16と、入力装置17と、無線通信装置18と、を備えている。
次に、ダンプトラック2について説明する。図3は、本実施形態に係るダンプトラック2の外観を模式的に示す図であり、図4は、本実施形態に係るダンプトラック2の機能ブロック図である。図3及び図4に示すように、ダンプトラック2は、車両本体21と、ベッセル22と、車輪23と、処理装置20と、記憶装置25と、圧力センサ26と、速度センサ27と、アンテナ28Aが接続された無線通信装置28と、アンテナ29Aが接続された位置検出装置29と、を備えている。
次に、積込機械3について説明する。図5は、本実施形態に係る積込機械3の外観を模式的に示す図であり、図6は、本実施形態に係る積込機械3の機能ブロック図である。図5及び図6に示すように、積込機械3は、走行体38と、旋回体37と、アーム35と、バケット34と、処理装置30と、記憶装置39と、アンテナ32Aが接続された無線通信装置32と、アンテナ33Aが接続された位置検出装置33と、表示装置36と、入力装置31と、を備えた油圧ショベルである。本実施形態において、積込機械3に作業者WMが搭乗し、作業者WMの操作により、積込作業が行われる。本実施形態において、積込機械3が油圧ショベルの例を挙げるが、ホイールローダでもよい。
次に、ダンプトラック2の動作の一例について説明する。ダンプトラック2は、鉱山の積込場LPAの積込位置LPにおいて積込機械3により積荷の積込作業を行われた後、排土場DPAに向かって積込場LPAを出発し、搬送路HLを走行して排土場DPAに到着した後、排土場DPAの排土位置DPにおいて積荷の排出作業を行い、排出作業を行った後、積込場LPAに向かって排土場DPAを出発し、搬送路HLを走行して積込場LPAに到着した後、積込位置DPにおいて積込作業を行われ、再び排土場DPAに向かって積込場LPAを出発する、といった一連の動作を繰り返す。
次に、1サイクルにおけるダンプトラック2の動作の一例について、図7のフローチャート及び図8の模式図を参照して説明する。
上述の実施形態においては、積込機械3の一側に積込位置LPが定められ、その積込位置LPに空荷状態のダンプトラック2が順次配置されることとし、空荷状態のダンプトラック2が積込位置LPに配置された時点を積込動作の開始時点Ts1とした。積込場LPAにおいて、積込機械3の両側に積込位置LPが定められ、一側の積込位置LPに配置されたダンプトラック2に対する積込作業中に、他側の積込位置LPにダンプトラック2が配置される可能性がある。積込機械3の両側に積込位置LPが定められ、その両側の積込位置LPに配置されたダンプトラック2のそれぞれに対して積荷の積込作業(両側積込作業)が行われる場合の積込動作の開始時点の規定の一例について説明する。
処理装置12は、複数のダンプトラック2それぞれの位置情報に基づいて、鉱山におけるダンプトラック2の割り当て指令をダンプトラック2に出力する。なお、割り当て指令に関する信号は、作業者による入力装置17の操作に基づいて出力されてもよいし、処理装置12がダンプトラック2の割り当てを演算して自動的に出力してもよい。処理装置12は、複数のダンプトラック2の各動作の開始時点及び終了時点を、ダンプトラック2の位置情報に基づいて規定しており、ダンプトラック2の各動作に対応付けられたダンプトラック2の位置情報及び時間情報(開始時点及び終了時点)を正確に把握する。そのため、処理装置12は、ダンプトラック2の各動作に対応付けられたダンプトラック2の位置情報及び時間情報に基づいて、適正は配車管理を行うことができ、配車指令(割り当て指令)を出力することができる。例えば、鉱山に複数の積込場LPAが存在する場合、それぞれの積込場LPAに存在する積込機械3の処理能力(例えば、積込作業可能なダンプトラック2の単位時間あたりの数)が異なる場合がある。その場合、例えば、処理能力が低い積込機械3に割り当てるダンプトラック2の数を多くしてしまうと、積込作業のために待機しなければならないダンプトラック2の数が増えて鉱山における生産性が低下する可能性がある。本実施形態によれば、処理装置12は、ダンプトラック2の各動作に対応付けられたダンプトラック2の正確な時間情報に基づいて、鉱山における生産性の低下が抑制されるように(積込作業のために待機しなければならないダンプトラック2の数が増えないように)、どの積込場LPA(積込機械3)に何台のダンプトラック2を割り当てればよいかを導出することができる。処理装置12は、その導出したダンプトラック2の割り当てを複数のダンプトラック2のそれぞれに出力することができる。
2 ダンプトラック(運搬機械)
3 積込機械
9 通信システム
10 管理装置
12 処理装置
13 記憶装置
18 無線通信装置
20 処理装置
25 記憶装置
28 無線通信装置
29 位置検出装置
29A アンテナ
30 処理装置
31 入力装置
32 無線通信装置
33 位置検出装置
39 記憶装置
DP 排土位置
DPA 排土場
HL 搬送路
LP 積込位置
LPA 積込場
Claims (7)
- 鉱山の積込場に通じる搬送路を走行可能な第1運搬機械の位置情報を検出する第1検出装置と、
前記搬送路を走行可能な第2運搬機械の位置情報を検出する第2検出装置と、
前記第1検出装置及び前記第2検出装置それぞれの検出結果が出力される処理装置と、を備え、
前記処理装置は、前記検出結果に基づいて、前記積込場の入口において待機状態の前記第1運搬機械の後ろに前記第2運搬機械が到着したときに、前記第2運搬機械が前記入口に到着したと判定する管理システム。 - 前記処理装置は、前記第1運搬機械の後ろに前記第2運搬機械が到着した時点を、前記第2運搬機械が前記入口に到着した到着時点と規定する請求項1に記載の管理システム。
- 前記第2運搬機械は、前記第1運搬機械の後ろに到着して走行を停止し、前記積込場の入口において待機した後、前記入口から前記積込場の積込位置に移動し、
前記処理装置は、前記第2検出装置から出力された前記第2運搬機械の位置情報に基づいて、前記入口の待機位置における待機状態が解除されてから前記積込場の積込位置に移動する前記第2運搬機械の動作の開始時点及び終了時点を規定する請求項1又は請求項2に記載の管理システム。 - 前記処理装置は、前記第2検出装置から出力された前記第2運搬機械の位置情報に基づいて、前記第2運搬機械の積荷が積み込まれない状態で走行する動作、前記積込位置において積込機械により積荷が積み込まれる動作、及び積荷が積まれた状態で走行する動作の少なくとも一つの開始時点及び終了時点を規定する請求項3に記載の管理システム。
- 前記処理装置は、前記到着時点から前記待機状態が解除される時点までの前記第2運搬機械の待機時間を算出する請求項3又は請求項4に記載の管理システム。
- 前記処理装置は、前記積込場と積荷の排出作業が行われる排土場との間で往復する前記第2運搬機械のサイクル動作に要する時間を算出する請求項1から請求項5のいずれか一項に記載の管理システム。
- 鉱山の積込場に通じる搬送路を走行可能な第1運搬機械の位置情報を検出することと、
前記搬送路を走行可能な第2運搬機械の位置情報を検出することと、
前記第1運搬機械及び前記第2運搬機械それぞれの位置情報の検出結果に基づいて、前記積込場の入口において待機状態の前記第1運搬機械の後ろに前記第2運搬機械が到着したときに、前記第2運搬機械が前記入口に到着したと判定することと、を含む管理方法。
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- 2013-08-20 JP JP2013549464A patent/JP5806741B2/ja active Active
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CN104541299A (zh) | 2015-04-22 |
AU2013350345B2 (en) | 2015-07-02 |
CA2878098C (en) | 2020-03-24 |
US10373274B2 (en) | 2019-08-06 |
CA2878098A1 (en) | 2015-02-20 |
AU2013350345A1 (en) | 2015-03-12 |
JPWO2015025372A1 (ja) | 2017-03-02 |
US20150269685A1 (en) | 2015-09-24 |
JP5806741B2 (ja) | 2015-11-10 |
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