JP2010248777A - Management system of working machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a management system of a working machine which can perform proper work management with high working efficiency. <P>SOLUTION: A working machine control apparatus 11 includes: a member data storage device 31 for storing front member data; a front coordinate computing unit 32 which computes a front coordinate and an arm end operating range on the basis of signals of a boom angle sensor 7, a jib angle sensor 8, an arm angle sensor 9 and a swing angle sensor 10; a machine body position computing unit 33 which computes a position of a machine body of the working machine, and positions and directions of stereo cameras 14a and 14b on the basis of data of a camera angle sensor 15 and GPS devices 13a and 13b: and a monitor display image creating unit 34 which creates monitor display image data on the basis of shape data of a work object transmitted from the front coordinate computing unit 32, the machine body position computing unit 33 and a base station via a communication device 12. A monitor display unit 16 and a warning means 17 are connected to the monitor display image creating unit 34. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a work machine management system capable of monitoring and displaying a relationship between a work object and a work machine.

  2. Description of the Related Art Conventionally, work machines for dismantling work objects such as steel reinforced concrete and buildings made of reinforced concrete are provided with an angle detector on the boom and arm respectively, and a controller on the vehicle body, and a detection signal from the angle detector. Is input to the controller, and the center of gravity position of the entire work machine and the supporting force of the stable fulcrum on the ground contact surface of the lower traveling body of the vehicle body are calculated based on the detection signal, and the stable based on the calculation result. There is a safety device for a dismantling work machine that displays a support force value at a fulcrum on a display and issues an alarm when the support force at the rear stable fulcrum falls below a limit value for ensuring safe work (for example, (See Patent Documents 1, 2, and 3).

  In addition, a front camera is provided in front of the upper revolving unit, and the posture of the attachment provided on the front work device is detected so that the shooting direction and zoom angle of the front camera can be tracked even if the posture changes. In addition, there is a high place dismantling machine that can always obtain an image of the tip of the attachment (see, for example, Patent Document 4).

JP-A-5-18122 JP 7-247578 A JP 2007-209917 A JP 2004-132137 A

  There is an accident that the work object collapses during the dismantling work. The dismantling work is managed by an administrator, but the actual work is entrusted to the operators of the individual work machines, and the present situation is that these managements are not sufficient.

  For example, the safety devices shown in Patent Documents 1, 2, and 3 are to control the position of the machine body and the work posture of the work device with respect to the initial shape of the work object such as a building so as to prevent overturning. Moreover, although the high place demolition work machine shown by patent document 4 can monitor the work condition of an attachment, it cannot grasp | ascertain the shape etc. of a work target object, and all are work target objects. It is difficult to respond to changes in the relationship between aircraft and aircraft.

  In addition, when multiple work machines are operating for one work object, it is impossible to comprehensively grasp the positional relationship between the work machines and the progress of dismantling work of each work machine with respect to the work object. It is difficult to manage work efficiently with good efficiency.

  As described above, the conventional work machine cannot perform appropriate work management with high work efficiency while grasping the situation in which the positional relationship between the work object and the machine body changes. Moreover, it is not possible to appropriately manage a plurality of work machines comprehensively with high work efficiency.

  The present invention has been made in view of the above points, and an object of the present invention is to provide a work machine management system capable of performing appropriate work management with high work efficiency.

  The invention described in claim 1 is a joint angle sensor that detects a joint angle of a front working device mounted on a body, a turning angle sensor that detects a turning angle of the front working device, and a global that detects the position of the body.・ Positioning system receiver, a camera that is provided on the front work device so that the angle can be adjusted, and takes a stereoscopic image of the work object, a camera angle sensor that detects the direction of the camera, and member data of the front work device Calculate the working posture and operating range of the front working device from the joint angle and turning angle, and calculate the shape of the work object from the position of the machine, camera position, direction and image data, and the position of the machine relative to the work object A control device for creating monitor display image data representing the relationship and the work area of the front work device, and a module output from the control device. A working machine management system provided with the monitor display device for displaying the data display image data.

  According to a second aspect of the present invention, the work area in the work machine management system according to the first aspect is determined by the operating range of the front work apparatus and a warning area that warns of the possibility of the machine falling, and the front work apparatus. Is provided with a warning means for performing a warning operation when the operating range is within the warning range.

  According to a third aspect of the present invention, the control device in the work machine management system according to the first or second aspect is installed in a base station that performs two-way communication with the work machine. It is provided with a function for receiving the data transmitted from the machine and sharing the image processing in the monitor display image data creation processing.

  According to a fourth aspect of the present invention, there is provided a management system for a work machine according to the third aspect, wherein the work machine processes a work object with a plurality of work machines, and each work machine is connected to a base station. A communication device that transmits data to the base station by performing bidirectional communication. The base station receives the data transmitted from each work machine, and based on this data, determines the positional relationship of each work machine with respect to the work object. It has a function of creating and displaying monitor display image data to be calculated and displayed.

  The invention described in claim 5 is the work machine management system according to claim 3, wherein the work machine is dismantled with a plurality of work machines. A communication device that transmits data to the base station by performing bidirectional communication. The base station acquires the initial shape of the work object before dismantling and receives data transmitted from each work machine. Based on the above, the dismantling shape of the work object is calculated, monitor display image data for combining and displaying the initial shape and the dismantling shape is created, and the function of transmitting to each work machine is provided.

  According to a sixth aspect of the present invention, in the work machine management system according to any of the third to fifth aspects, monitor display image data created by the work machine and the base station is distributed from the base station to the user terminal device. It is what is done.

  According to the first aspect of the invention, the control device calculates the working posture and operating range of the front working device from the member data, the joint angle and the turning angle of the front working device, and the position of the machine body, the position of the camera, and the direction. Since the monitor display image data representing the positional relationship of the machine body with respect to the work object and the work area of the front work device is generated and displayed on the monitor display device. Makes it possible to objectively grasp changes in the positional relationship between the machine and the front work device with respect to the work object caused by the progress of work. Work management.

  According to the second aspect of the present invention, when the operating range of the front work apparatus enters the warning range, the warning means operates as a warning. Therefore, it is possible to perform appropriate work management with safety and high work efficiency.

  According to the third aspect of the present invention, since the base station controller shares the image processing in the monitor display image data creation process by receiving the data transmitted from the work machine, the work machine controller The burden can be reduced.

  According to the fourth aspect of the present invention, when a plurality of work machines are operating with respect to one work object, each machine body with respect to the work object is based on position data transmitted from each work machine. Since the monitor display image data for calculating and displaying the positional relationship is created, it is possible to perform work management in which a plurality of work machines are arranged in a comprehensive and efficient manner by viewing this display.

  According to the fifth aspect of the present invention, when a plurality of work machines are operating for one work object, the base station determines whether the work object is based on the data transmitted from each work machine. Since the monitor display image data that calculates and displays the initial shape and the dismantled shape is created, it is possible to grasp the work progress status of each work machine from these initial shape and dismantled shape, and multiple managers who have seen the display As a result, the operator of each work machine can check the monitor display image data created at the base station on the monitor display device of the work machine, and the overall work progress It is possible to objectively grasp the position of one's work progress in the situation, and to perform appropriate self-management that can contribute to the improvement of the overall work efficiency.

  According to the sixth aspect of the present invention, since the monitor display image data created by the work machine and the base station is distributed from the base station to the user terminal device, the user can check the operation status and work progress status of the work machine. Therefore, it is possible to accurately grasp and give instructions to the operator of the work machine while in a remote place, and perform appropriate work management with high work efficiency.

1 is a side view showing an embodiment of a work machine according to the present invention. It is a top view of a working machine same as the above. It is a system block diagram which shows the management system of a working machine same as the above. It is a block diagram which shows the work machine side system configuration | structure of a management system same as the above. It is a block diagram which shows the base station side system configuration | structure of a management system same as the above. It is a figure of the example of a monitor display showing the body position of a working machine with respect to the work target of a management system same as the above, and a front work posture. It is a figure of the example of a monitor display showing the positional relationship of the several body with respect to the work target of a management system same as the above. It is a figure of the example of a monitor display showing the work object disassembly condition of a management system same as the above. It is a flowchart which shows the processing flow of a management system same as the above.

  Hereinafter, the present invention will be described in detail based on one embodiment shown in FIGS.

  1 and 2 show a work machine M, and a machine body E is constituted by a lower traveling body 1 and an upper revolving body 2 provided on the lower traveling body 1 so as to be able to swivel. 2 includes a front working device (hereinafter referred to as “front”) F that is longer than the standard. In this front F, a boom 3, a jib 4, an arm 5 and a crusher 6 as a tool are sequentially connected, and these are rotated by a boom cylinder 3a, a jib cylinder 4a, an arm cylinder 5a and a bucket cylinder 6a, respectively. It is configured.

  A boom angle sensor 7 serving as a joint angle sensor for detecting the joint angle of the boom 3 with respect to the upper swing body 2 is provided at a shaft support portion that pivotally supports the base end of the boom 3 on the upper swing body 2. A jib angle sensor 8 serving as a joint angle sensor for detecting a joint angle of the jib 4 with respect to the boom 3 is provided on a shaft support portion that pivotally supports the base end of the jib 4, and the base end of the arm 5 is pivoted on the tip of the jib 4. An arm angle sensor 9 serving as a joint angle sensor for detecting the joint angle of the arm 5 with respect to the jib 4 is provided at the supporting shaft support portion.

  A turning angle sensor 10 for detecting the turning angle of the upper turning body 2 and the front F with respect to the lower traveling body 1 is provided at the turning center of the upper turning body 2, and the upper turning body 2 has a work machine control as a control device. Device 11, a communication device 12 for wireless communication, and a global positioning system receiver (hereinafter referred to as “GPS device”) 13 a and 13 b for detecting the position and orientation of the airframe E are mounted. On the upper front side, a pair of stereo cameras 14a and 14b as cameras for taking a three-dimensional image of the work object A are provided with variable angle adjustment, and the direction or angle of these stereo cameras 14a and 14b is detected. A camera angle sensor 15 is provided.

  A three-dimensional image of the work object A such as a building is created by image analysis based on the images photographed by the stereo cameras 14a and 14b and the positions and photographing directions of the stereo cameras 14a and 14b. This stereoscopic image creation technique is known.

  FIG. 3 shows an overall view of a work machine remote operation monitoring system that monitors the operation of a plurality of work machines Ma, Mb, and Mc at remote locations. These work machines Ma, Mb, and Mc are respectively GPS satellites 21a, 21b. , 21c can be received to confirm its own position and communicate with the base station 23 via the communication satellite 22. The base station 23 is connected to the user terminal device 25 via the Internet communication device 24, and can display the monitor display image data created by the work machine M and the base station 23 to the user terminal device 25. is there.

  FIG. 4 is a block diagram showing a work machine control device 11 mounted on the work machine M. The work machine control device 11 includes a boom angle sensor 7, a jib angle sensor 8, an arm angle sensor 9, and a turning angle sensor. 10. Each detection data detected by the camera angle sensor 15 and the GPS devices 13a and 13b is input, and image data of the stereo cameras 14a and 14b is input.

  On the other hand, the detection data and the image data are transmitted from the work machine control device 11 to the base station 23 via the communication device 12. In addition, the monitor display image data is output to the monitor display device 16, and an alarm signal is output to the warning means 17 such as a buzzer when warning about the possibility of the aircraft falling. The base station 23 is connected to the user terminal device 25 via the Internet communication device 24.

  The work machine control device 11 receives the front coordinates based on the member data storage 31 storing the front F member data and the signals of the boom angle sensor 7, the jib angle sensor 8, the arm angle sensor 9 and the turning angle sensor 10. The position of the body E of the work machine M and the positions and directions of the stereo cameras 14a and 14b are calculated based on the data of the front coordinate calculator 32, the camera angle sensor 15, and the GPS devices 13a and 13b. Display image based on the shape data of the work object A such as a building sent from the body position calculator 33, the front coordinate calculator 32, the machine position calculator 33 and the base station 23 via the communication device 12 And a monitor display image creator 34 for creating data. A monitor display device 16 and warning means 17 are connected to the monitor display image creator 34. The position data of the airframe E calculated by the airframe position calculator 33 is transmitted to the base station 23 via the communication device 12 together with the image data of the stereo cameras 14a and 14b.

  FIG. 5 is a system configuration diagram of the base station 23, a communication device 35 for bidirectionally communicating each data with each work machine Ma, Mb, Mc via the communication satellite 22, and a base station control device as a control device. 36, a monitor display device 40, and an Internet communication device 24.

  The base station control device 36 has a function of receiving data transmitted from each work machine Ma, Mb, Mc and mainly sharing the image processing in the monitor display image data creation processing. Image processing unit 37 for calculating the three-dimensional shape of the work object A from the position data of the stereo cameras 14a and 14b, and the image data, and the work object for storing the initial shape data of the work object A before dismantling The shape data storage 38, the initial shape data of the work object A before dismantling and the dismantling shape data output from the image processor 37 are combined, and the dismantling status which is monitor display image data of the work object A And an image synthesizer 39 for creating data. The dismantling status data created by the image synthesizer 39 is output to the monitor display device 40 of the base station 23 and displayed on the monitor from the communication device 35 via the communication device 12 of the work machine M and the monitor display image creator 34. Output to device 16.

  The control devices 11 and 36 calculate the working posture of the front F and the arm tip working range B as the working range from the member data, joint angle and turning angle of the front F, the position of the body E, and the stereo cameras 14a and 14b. The shape of the work object A is calculated from the position, direction and image data, and monitor display image data representing the positional relationship of the machine body E with respect to the work object A and the work area of the front F is created.

  This work area is determined by an arm tip operating range B in which the arm tip of the front F moves and a warning area C that warns of the possibility of airframe overturning, and is an area excluding the warning area C from the arm tip operating range B. . A danger zone D that may cause the aircraft to fall is also created.

  Next, specific actions based on the drawings will be described.

  In the work machine control device 11 shown in FIG. 4, the front F member data of the member data storage 31 and the detection data detected by the boom angle sensor 7, jib angle sensor 8, arm angle sensor 9, and turning angle sensor 10. Based on the above, the front coordinate calculator 32 calculates the front F coordinates (work posture) and the arm tip operating range.

  The body position calculator 33 calculates the position of the body E and the positions and directions of the stereo cameras 14a and 14b based on the detection data of the boom angle sensor 7, the camera angle sensor 15, and the GPS devices 13a and 13b.

  The monitor display image creator 34 has each data output from the front coordinate calculator 32 and the machine position calculator 33, and the shape data of the work object A sent from the base station 23 via the communication device 12. And monitor display image data.

  The detection data regarding the position of the body E of the work machine M, the positions and directions of the stereo cameras 14a and 14b, and the image data of the stereo cameras 14a and 14b output from the body position calculator 33 are transmitted to the base via the communication device 12. Sent to station 23.

  On the other hand, the base station 23 receives the body position of the work machine M, the positions, directions and image data of the stereo cameras 14a and 14b sent from the work machines Ma, Mb and Mc by the communication device 35, and receives the image processor. In 37, the three-dimensional shape of the dismantling state of the dismantling work object A is obtained based on these data. In the image synthesizer 39, the dismantling status of the dismantling work object A obtained by the image processor 37 and the three-dimensional initial shape data of the work object A before dismantling stored in the work object shape data storage unit 38. To create dismantling status data.

  The disassembly state data obtained by the image synthesizer 39 is displayed on the monitor display device 40 and transmitted to each work machine Ma, Mb, Mc via the communication device 35, and the user terminal device is transmitted to the Internet communication device 24. Delivered to 25.

  FIG. 6 shows an example of a monitor display indicating the body position and the front work posture of the work machine M with respect to the work object A. The work machine M1 shown in the side view includes a boom angle sensor 7, a jib angle sensor 8, and The joint angles α, β, and γ of the boom 3, jib 4, and arm 5 detected by the arm angle sensor 9 are given, and the work machine M 2 shown in the plan view is detected by the turning angle sensor 10. The arm tip operating range B to which the arm tip of the front F moves, the warning area C that warns of the possibility of the aircraft falling, and the danger area D that may cause the aircraft to fall are combined, It is displayed on the monitor screen of the monitor display device 16 of each work machine M or the monitor display device 40 of the base station 23.

  FIG. 7 shows an example of a monitor display showing the positional relationship of a plurality of work machines Ma, Mb with respect to the work object A at the dismantling work site. The base station 23 is configured to use GPS satellites 21a, 21b, 21c as the work machines Ma, Mb. Is received from each work machine Ma, Mb, and based on this data, the positional relationship of each work machine Ma, Mb with respect to the work object A is calculated and displayed as monitor display image data. 7 is displayed on the monitor display device 16 of each work machine M or the monitor display device 40 of the base station 23.

  FIG. 8 shows an example of a monitor display showing the dismantling status of the work object A. The base station 23 acquires the initial shape A1 of the work object before dismantling and the data transmitted from the work machines Ma and Mb. Is calculated, the dismantling shape A2 of the work object is calculated based on this data, monitor display image data for compositing and displaying the initial shape A1 and the dismantling shape A2 is generated, and transmitted to each of the work machines Ma and Mb. Because it has a function, the monitor display device 16 of each work machine M or the monitor display device 40 of the base station 23 displays the initial shape A1 and the dismantling shape A2 of the work object A together with the crushers 6a and 6b. The operator of each work machine M can also grasp the dismantling status.

  FIG. 9 shows a control system for calculating the positional relationship between the work object A and the work machine M. The position and shape of the work object A are measured data 41 and design data 42 of the work object A measured in advance. Based on the above, the base station 23 creates a coordinate data file 43 of the work object A, and the processor 44 creates a three-dimensional display data file 45 of the work object A based on the coordinate data file 43, Further, the position data 46 from the work machine M and the shape data 47 of the work object A created based on the image data of the stereo cameras 14a and 14b are synthesized by the processor 48 to create a dismantling management file 49. To do.

  That is, in the initial work, the position and shape of the work object A to be disassembled in advance are measured, the measurement data 41 of the work object A is created, and the work object A is based on the design drawing of the work object A. Design data 42, a coordinate data file 43 of the work object A is created based on these two data, and the processing unit 44 uses the three-dimensional display data which is the initial shape data of the work object before disassembly. Create file 45.

  On the other hand, in the online work, the shape data of the work object created by image processing based on the machine position data 46 sent from each work machine Ma, Mb, Mc at the time of dismantling and the image data of the stereo cameras 14a, 14b. Based on 47 and the above-described three-dimensional display data file 45, the processor 48 creates a dismantling management file 49 storing the machine position and dismantling shape data of the current work object. The dismantling management file 49 is transmitted to each work machine Ma, Mb, Mc by the communication device 35 and displayed on the monitor display device 16 of each work machine Ma, Mb, Mc. Also, the work management is performed by displaying on the monitor display device 40 of the base station 23.

  Next, effects obtained by the illustrated embodiment will be described.

  Conventionally, since the work range of the work machine M cannot be grasped in relation to the work object A that is deformed as the work progresses, the machine body positioning of the work machine M is performed by the operator's sense. Thus, while grasping the shape of the work object A, the arm tip operating range B, the warning area C, and the danger area D of the work machine M are set, and the optimum body positioning of the work machine M and the operation of the front F are performed. Work can be performed safely and efficiently, and the work efficiency is greatly improved.

  That is, the control device 11 calculates the front F working posture and the arm tip working range B from the front F member data, the joint angle and the turning angle, as well as the position of the body E, the positions and directions of the stereo cameras 14a and 14b, and The shape of the work object A is calculated from the image data, and the monitor display image data representing the positional relationship of the machine body E with respect to the work object A and the work area of the front F is created and displayed on the monitor display device 16. An operator who works while looking at the display device 16 can objectively grasp changes in the positional relationship of the machine body E and the front work device F with respect to the work object A caused by the progress of the work, and works in relation to the work object A. Appropriate work management with good work efficiency can be performed by placing the machine M at the optimum position.

  Also, since the arm of the front F of the work machine is long and may fall depending on the working posture of the front F, it is possible to set a warning area C and warn before falling. That is, when the arm tip operating range B of the front F enters the warning zone C, the warning means 17 is activated before entering the danger zone D. Therefore, appropriate work management with safety and high work efficiency is ensured. Can do.

  Furthermore, since the base station control device 36 shares the image processing of the function of receiving the data transmitted from the work machine M and generating monitor display image data, the burden on the work machine control device 11 can be reduced.

  When a plurality of work machines Ma and Mb are operating for one work object A, each work machine for the work object A is based on position data transmitted from each work machine Ma and Mb. Since the monitor display image data for calculating and displaying the positional relationship between Ma and Mb is created, it is possible to perform work management in which a plurality of work machines Ma and Mb are arranged in a comprehensive and efficient manner by viewing this display.

  Similarly, when a plurality of work machines Ma and Mb are operating for one work object A, the base station 23 determines that the work object is based on data transmitted from each work machine Ma and Mb. Since the monitor display image data for calculating and displaying the initial shape and dismantling shape of A is created, the work progress of each work machine Ma, Mb can be grasped from these initial shapes and dismantling shapes, and the display was seen. The manager can appropriately manage the plurality of work machines Ma and Mb comprehensively with high work efficiency.

  At the same time, on the work machine M side, if a notebook personal computer or a dedicated monitor display device 16 is installed, an image similar to the personal computer screen of the base station 23, that is, the monitor display device 40 can be viewed. That is, the monitor display image data created in the base station 23 is transmitted from the communication device 36 to the monitor display device 16 of the work machine M via the communication device 12 of the work machine M, so that the operator of each work machine Ma, Mb, Mc In addition, the monitor display image data created by the base station 23 can be confirmed by the monitor display device 16 of the work machine M, and the position of the work progress status in the overall work progress status can be objectively grasped. And can perform appropriate self-management that can contribute to the improvement of overall work efficiency.

  Further, the monitor display image data created by the work machine M and the base station 23 is distributed to the user from the base station 23 via the Internet communication device 24 in response to a request from the authenticated user terminal device 25. The user can accurately grasp the operating status and work progress status of the work machine M while in a remote place and give instructions to the operator of the work machine M, and can perform appropriate work management with high work efficiency. it can.

  As described above, conventionally, when a plurality of work machines Ma, Mb, and Mc are operating, the position and dismantling status of each of the work machines Ma, Mb, and Mc cannot be mutually grasped, so that work management and safety management are performed. Although it is difficult, according to this management system that can grasp the positional relationship of the work machines Ma, Mb, Mc and the dismantling status of the work object A as images on the monitor display devices 16, 40, work management and safety management are easy. become.

  The present invention is an effective management system for efficiently operating a plurality of work machines Ma, Mb, Mc, but can also be applied to one work machine M. Furthermore, in the illustrated embodiment, the base station 23 performs image processing using the work machine remote operation monitoring system. However, the performance of the in-vehicle computer improves the image of the base station 23 in the work machine M. It is also possible to perform processing.

  INDUSTRIAL APPLICABILITY The present invention can be used for a dismantling work machine equipped with a crusher, a work machine equipped with a crane function, and the like.

M Work machine A Work object
A1 Initial shape
A2 Demolition shape B Arm end working range as working range C Warning area E Airframe F Front working device (front)
7 Boom angle sensor as a joint angle sensor 8 Jib angle sensor as a joint angle sensor 9 Arm angle sensor as a joint angle sensor
10 Swing angle sensor
11 Work machine control device as control device
12 Communication equipment
13a, 13b Global positioning system receiver (GPS device)
Stereo camera as 14a, 14b camera
15 Camera angle sensor
16 Monitor display device
17 Warning means
23 Base station
25 User terminal equipment
35 Communication equipment
36 Base station controller as controller
40 Monitor display device

Claims (6)

A joint angle sensor for detecting the joint angle of the front working device mounted on the airframe;
A turning angle sensor for detecting the turning angle of the front working device;
A global positioning system receiver that detects the position of the aircraft,
A camera that is provided on the front work device so that the angle can be adjusted, and takes a stereoscopic image of the work object;
A camera angle sensor that detects the direction of the camera;
The work posture and operating range of the front work device are calculated from the member data, joint angle and turning angle of the front work device, and the shape of the work object is calculated from the machine position, camera position, direction and image data, A control device for creating monitor display image data representing the positional relationship of the airframe with respect to the object and the work area of the front work device;
A work machine management system comprising: a monitor display device that displays monitor display image data output from a control device. The work area is determined by the operating range of the front work device and a warning area that warns of the possibility of the aircraft falling,
The work machine management system according to claim 1, further comprising warning means for performing a warning operation when the operating range of the front work device enters a warning range. The control device is also installed in the base station that performs bidirectional communication with the work machine,
3. The work according to claim 1, wherein the control device of the base station has a function of receiving the data transmitted from the work machine and sharing the image processing in the process of creating the monitor display image data. Machine management system. A management system for processing work objects on a plurality of work machines,
Each work machine includes a communication device that transmits data to the base station by performing bidirectional communication with the base station,
The base station has a function of receiving data transmitted from each work machine, generating monitor display image data for displaying the data by calculating the positional relationship of each work machine with respect to the work object based on this data, and displaying the data. The work machine management system according to claim 3, wherein: A management system for dismantling work objects with a plurality of work machines,
Each work machine includes a communication device that transmits data to the base station by performing bidirectional communication with the base station,
The base station acquires the initial shape of the work object before dismantling, receives data transmitted from each work machine, calculates the dismantling shape of the work object based on this data, and calculates the initial shape and dismantling The work machine management system according to claim 3, further comprising a function of creating monitor display image data for combining and displaying the shape and transmitting the data to each work machine. 6. The work machine management system according to claim 3, wherein monitor display image data created by the work machine and the base station is distributed from the base station to the user terminal device.

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