WO2014203989A1 - 建設機械の保守装置 - Google Patents
建設機械の保守装置 Download PDFInfo
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- WO2014203989A1 WO2014203989A1 PCT/JP2014/066379 JP2014066379W WO2014203989A1 WO 2014203989 A1 WO2014203989 A1 WO 2014203989A1 JP 2014066379 W JP2014066379 W JP 2014066379W WO 2014203989 A1 WO2014203989 A1 WO 2014203989A1
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- WIPO (PCT)
- Prior art keywords
- maintenance
- maintenance mode
- construction machine
- engine
- abnormality
- Prior art date
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/26—Indicating devices
- E02F9/267—Diagnosing or detecting failure of 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
- E02F9/2058—Electric or electro-mechanical or mechanical control devices of vehicle sub-units
- E02F9/2062—Control of propulsion units
-
- 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
- E02F9/2058—Electric or electro-mechanical or mechanical control devices of vehicle sub-units
- E02F9/2062—Control of propulsion units
- E02F9/2066—Control of propulsion units of the type combustion engines
-
- 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
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2292—Systems with two or more pumps
-
- 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
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2296—Systems with a variable displacement pump
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/20—Individual registration on entry or exit involving the use of a pass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B15/00—Systems controlled by a computer
- G05B15/02—Systems controlled by a computer electric
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
- G05B23/0283—Predictive maintenance, e.g. involving the monitoring of a system and, based on the monitoring results, taking decisions on the maintenance schedule of the monitored system; Estimating remaining useful life [RUL]
Definitions
- the present invention relates to a construction machine such as a hydraulic excavator, and particularly to a construction machine maintenance apparatus capable of invalidating output of abnormality information during maintenance work.
- the operation of various in-vehicle devices and devices is electronically controlled by a built-in controller (information processing device).
- the controller further includes a failure determination function for determining whether various in-vehicle devices and devices are operating normally.
- the result of failure determination by this failure determination function is temporarily stored in the controller, and is periodically transmitted from the wireless communication terminal to an information center, etc., and then used for analysis of the cause of the vehicle body failure. ing.
- the failure determination function of this controller is always functioning, so even when there is no abnormality in the in-vehicle device or equipment, such as during the maintenance work such as replacement of parts, the failure information is erroneously determined May be sent.
- the information center that has received this abnormal information cannot accurately determine whether the abnormal information is due to a failure or due to maintenance work, so that accurate data can be obtained. Is difficult.
- Patent Document 1 by setting in advance a service factory where maintenance work is performed and its surrounding location information, road information, and the like, abnormal information generated due to parts replacement is not transmitted / received. Technologies have been proposed.
- Patent Document 2 a technique is proposed in which abnormal information is not transmitted when a failure diagnosis machine capable of collecting abnormal information is connected to the vehicle body in a service factory or the like.
- the present invention has been devised to solve these problems, and its main purpose is a novel construction machine maintenance device capable of preventing the output of erroneous abnormality information that occurs during maintenance work. Is to provide.
- the first invention includes an abnormality detection means for detecting an abnormality of equipment mounted on a construction machine, and an abnormality information output means for outputting abnormality information of the equipment detected by the abnormality detection means. And a maintenance mode setting means for setting a maintenance mode for performing maintenance work on the equipment, and the abnormality information output means is configured such that the maintenance mode is set by the maintenance mode setting means when the maintenance mode is set.
- the construction machine maintenance device is characterized in that when an abnormality is detected, the information is not invalidated or output.
- the “maintenance mode” in the present invention refers to the construction machine by supplying power from a battery or the like by key-on of an engine switch in order to maintain various devices and equipment mounted on the construction machine as will be exemplified later. Various mounted devices and equipment are in a movable state, but in principle, the engine is stopped.
- the maintenance mode setting means requests an input of an authentication password when a maintenance mode setting request is made, and the password matches a preset password.
- a maintenance device for a construction machine characterized in that the maintenance mode is set. According to such a configuration, only a regular maintenance worker who knows the password can set the maintenance mode. Therefore, abnormal information due to equipment replacement or remodeling by a person other than the regular maintenance worker is output. Can be notified.
- the engine start lock means for locking the start of the engine when the maintenance mode is set is provided.
- the engine start lock When there is an engine start request in the set state, it requests the input of an authentication password, and the engine start lock is released when the password matches a preset password. It is a maintenance device for construction machinery.
- the engine can be started directly from the maintenance mode, even if an abnormality is detected in various mounted devices or equipment during maintenance work performed by starting the engine such as a test ride, the information Can be disabled or not output.
- a fourth invention is a construction machine maintenance apparatus according to the first to third inventions, further comprising output mode notification means for indicating that the construction machine is in a maintenance mode. According to such a configuration, it is possible to reliably recognize that the maintenance mode has been set via the monitor screen or voice.
- the maintenance mode setting means, the engine start lock means, and the maintenance mode notification means are provided with an input unit having a maintenance mode switch and a display unit.
- a maintenance device for a construction machine which is a device. According to such a configuration, it is possible to turn on / off the maintenance mode switch, input a password, and the like in addition to displaying abnormality information with one monitor device.
- the maintenance mode setting means is provided, and the abnormality information output means outputs erroneous abnormality information generated in accordance with the maintenance work by switching the construction machine to the maintenance mode in advance during the maintenance work. Can be surely prevented. As a result, erroneous abnormal information is not transmitted / received, so that the amount of communication data can be reduced, and the communication load can be reduced.
- FIG. 1 is a perspective view showing an embodiment of a hydraulic excavator 100 that is one of construction machines according to the present invention.
- 1 is an overall view showing a hydraulic system 200 controlled by a controller 30.
- FIG. It is the block diagram which showed the structure of the maintenance apparatus 300 which concerns on this invention.
- 3 is a front view showing an example of a monitor device 25.
- FIG. It is the flowchart which showed the flow of the process of abnormality information by the maintenance apparatus 300 which concerns on this invention.
- It is a state transition diagram of a vehicle body when a maintenance mode is set.
- It is a state transition diagram of a vehicle body when a maintenance mode is set.
- It is the front view which showed the example of a display of the monitor apparatus 25 when requesting input of a password.
- FIG. 10 is a flowchart showing a flow of processing when an input of an authentication password is requested when shifting to a maintenance mode. It is the flowchart figure which showed the flow of the process when starting an engine directly from
- FIG. 1 shows an embodiment of a hydraulic excavator 100 that is one of the construction machines according to the present invention.
- the excavator 100 is mainly composed of a lower traveling body 10 that travels by a crawler and an upper revolving body 20 that is pivotably provided on the lower traveling body 10.
- the upper swing body 20 includes a cab 21 having a driver's seat 21a on the front side of a swing body frame (not shown) and a front work machine 22, and an engine, a heat exchanger (not shown), etc. accommodated on the rear side.
- a room 23 is provided, and a weight 24 and the like are provided behind the room 23.
- the front work machine 22 has a boom 22a, an arm 22b, a bucket 22c, and hydraulic cylinders 46, 46, etc., and operates the operating levers 21b provided on both sides of the driver seat 21a in the cab 21 to operate the hydraulic cylinders. Each part is operated by expanding and contracting 46, 46.
- the bucket 22c is attached to the tip of the arm 22b, but various attachments such as a grappler can be attached instead of the bucket 22c.
- the moving mechanism of the lower traveling body 10 may use a tire in addition to the crawler.
- a monitor device 25 having a liquid crystal display unit is provided in front of the driver's seat 21a to display various information as described later.
- a gate lock lever (GL) 21c is provided in the vicinity of the operation lever 21b on the left side of the driver's seat 21a. When the gate lock lever 21c is in the raised state, it is in a locked state so that the vehicle body does not move even if the operation lever 21b is tilted during engine startup. The gate lock lever 21c is lowered. The vehicle can be operated in the state.
- a control controller 30 and a wireless communication terminal 31 are accommodated behind the driver seat 21a, and the entire hydraulic system 200 as shown in FIG.
- reference numeral 40 denotes an engine, and a variable displacement first hydraulic pump 42, a second hydraulic pump 43, and a third hydraulic pump 44 are connected to an output shaft 41 thereof.
- the pressure oil discharged from each of the hydraulic pumps 42, 43, 44 is sent to a hydraulic circuit 45 including a control valve, and is supplied to a hydraulic cylinder 46, a hydraulic motor 47, etc. with the oil amount and direction controlled.
- the control controller 30 receives input signals from the engine control dial 50, various sensors 51, the operation lever 21b, and the like, and performs overall control of the engine control calculation unit 30a and the pump control calculation unit 30b.
- the engine control dial 50 can adjust the command value of the engine speed, and the command speed adjusted thereby is input to the engine control calculation unit 30a.
- the engine control calculation unit 30 calculates a target engine speed based on the input value, sends the target engine speed to the ECU 48 that is an engine control unit, and the ECU 48 controls the engine speed according to the target engine speed. ing.
- the signal of the sensor 51 for detecting the pump pressure and the operation signal of the operation lever 21b are input to the engine control calculation unit 30 and the pump control calculation unit 30b, and the pump control calculation unit 30b sets the command value based on the input value.
- the hydraulic pumps 42, 43, and 44 are driven and controlled by calculation.
- the pump control calculation unit 30b sends the necessary pump torque pressure to the pump regulators 42a, 43a, and 44a that control the pump discharge amount so as to obtain the pump flow rate corresponding to the operation amount of the operation lever 21b. It has become.
- FIG. 3 is a block diagram showing the configuration of the maintenance apparatus 300 according to the present invention centering on the controller 30.
- the maintenance device 300 includes a control controller 30, an information controller 60, a wireless communication terminal 61, and the like.
- the control controller 30 is configured by an information processing apparatus including hardware such as input / output interfaces 31 and 32, a CPU 33, a ROM 34, and a RAM 35.
- An input element S such as a sensor signal S1 or an engine key switch signal S2 is input to the input / output interface 31 of the controller 30 and a predetermined calculation process is performed by the CPU 33 in accordance with the input element S.
- the output signal is output as a command signal from the input / output interface 32 to the actuators 36 such as the hydraulic pumps 42 to 44 and the hydraulic cylinder 46 described above.
- a control program for causing the CPU 33 to perform predetermined arithmetic processing is stored in the ROM 34.
- the control program is loaded into the RAM 35 and the control described later is sequentially executed. .
- the controller 30 is provided with an abnormality detection function (abnormality detection program) for detecting abnormalities of various devices mounted based on the input signal. If it is determined that an abnormality has been detected, the front of the driver seat 21a is provided. It is displayed on the monitor device 25.
- FIG. 4 shows an example of the monitor device 25.
- a liquid crystal display unit 25b is provided on the front surface of a rectangular monitor body 25a, and an input unit 25c including a plurality of input switches is provided below the liquid crystal display unit 25b. It has a configuration.
- a maintenance mode switch F6 for switching the vehicle body to the maintenance mode is provided in the plurality of input switches F1 to F7 constituting the input unit 25c.
- the maintenance mode switch F6 When a maintenance worker or the like presses the maintenance mode switch F6 after the engine key switch is turned on (switch on), the vehicle body is switched to a maintenance mode as will be described later, and the icon 25d of the liquid crystal display unit 25b is turned on. Then, the switch to maintenance mode is displayed.
- the switching signal to the maintenance mode is input to the control controller 30, and the control controller 30 switches the state of the vehicle body to the maintenance mode.
- the operator can visually understand what kind of abnormality is occurring in the vehicle body by checking the abnormality information displayed on the monitor device 25 in the driver's seat 21a.
- the controller 30 performs not only the display by the monitor device 25 but also an acoustic alarm process, and the buzzer device 26 is sounded, so that an operator is surely notified of the emergency situation. It can be done.
- the abnormality information is stored in the information controller 60 at the same time, and the information controller 60 performs processing to wirelessly transmit the stored abnormality information to the server 70 at any time or periodically via the wireless communication device 61.
- the server 70 that has received this signal stores the abnormality information in the information database 71, and the terminal 72 such as each sales office or factory can connect to the server 70 to check the abnormality information. Yes.
- FIG. 5 is a flowchart showing a flow of abnormal information processing by the maintenance apparatus 300 according to the present invention having such a configuration.
- the maintenance device 300 determines whether or not an abnormality has been detected based on input signals from the input elements S such as various sensors in the first step S100, and determines that an abnormality has been detected (YES) ) Proceeds to the next step S102.
- the controller 30 detects a sensor high voltage abnormality if the voltage value of the sensor signal exceeds the upper limit threshold.
- the voltage value of the sensor signal is less than the lower limit threshold, it is detected as a sensor low voltage abnormality.
- step S102 when the abnormality is detected, it is determined whether or not the vehicle body is in the maintenance mode.
- the information controller 60 stores the abnormality information. Without processing, the process is terminated.
- the process proceeds to the next step S104.
- step S104 a warning is displayed on the liquid crystal display unit 25b of the monitor device 25.
- step S106 the information controller 60 stores the abnormality information and proceeds to the next step S108.
- step S108 the stored abnormality information is transmitted from the wireless communication device 61 to the server 70 after a predetermined time has elapsed.
- the maintenance mode switch 25c for switching the vehicle body to the maintenance mode is provided in the monitor device 25 or the like, and the vehicle body is switched to the maintenance mode in advance during maintenance work such as parts replacement. It is possible to reliably prevent the output of erroneous abnormality information that occurs. As a result, erroneous abnormal information is not transmitted / received, so that the amount of communication data can be reduced, and the communication load can be reduced. Note that a touch panel, dial operation, or the like may be used instead of the switching operation by the maintenance mode switch 25c.
- FIG. 6 and FIG. 7 show the state transition of the vehicle body when the maintenance mode as described above is set.
- the engine key switch is off and the engine is stopped.
- the power line from the battery is distributed to the control controller 30 and the like, and the control controller 30 enters an operating state and transitions to a preparation state S2 waiting for engine start.
- FIG. 8 shows a display example of the monitor device 25 when a password input is requested.
- a message such as that the password is 8 digits and “Please enter your password.” Is displayed on the display unit 25a as shown in the figure.
- the transition to the maintenance state (maintenance mode) S3 can be made only to those who have work qualifications. Maintenance work can be restricted.
- the engine key switch is turned off once to return to the stop state S1, and then to the preparation state S2. Then, the engine key switch is further turned to start the engine, and the standby state S4. It will transition to.
- FIG. 9 is a flowchart showing the flow of processing when requesting the input of the authentication password when shifting to the maintenance mode as described above.
- the controller 30 determines whether or not the maintenance mode switch F6 has been pressed in the first step S200, and if it has not been pressed (NO), the process is terminated, but when it is determined that it has been pressed ( (YES) shifts to the next step S202.
- step S202 it is determined whether or not the engine is activated at that time. When the engine is activated (YES), the process is terminated as it is, but the engine is not activated, that is, is stopped.
- the process proceeds to the next step S204, a process for requesting the input of the authentication password is performed, and the process proceeds to the next step S206.
- step S206 the input password is determined, and if the passwords match (YES), the process proceeds to the next step S208 and shifts to the maintenance state, but when it is determined that they do not match (NO). Then, the process proceeds to step S210, a buzzer alarm is sounded to notify that there is an input error, and the process proceeds to the next step S212.
- a predetermined warning may be displayed on the monitor device 25 instead of such a buzzer alarm or together with the buzzer alarm. You can also set a limit on the number of times you can enter this password so that you can re-enter the password as many times as you can, even if you fail to enter it. .
- step S212 after waiting for an engine key switch off, the process proceeds to the next step S214 to determine whether or not the engine key switch has been turned off. When it is determined that the engine key switch has not been turned off (NO), the process returns to step S212. However, when it is determined that the engine key switch has been turned off (YES), the process proceeds to the next step S216 and the vehicle body is removed. Transition to the stop state and end the process.
- the maintenance mode is continued by making a direct transition from the maintenance state S3 to the standby state S4, the engine is started. Inconveniences such as storage and transmission of abnormal information associated with maintenance work at the time can be avoided. In this case, when the engine key switch is turned off (stopped), the maintenance state S3 is also reset.
- FIG. 10 is a flowchart showing a process flow when the engine is directly started from the maintenance state S3.
- the controller 30 determines whether or not the vehicle body is currently in the maintenance state S3. When the vehicle is not in the maintenance state S3 (NO), the process is terminated, but it is in the maintenance state S3. When it is determined (YES), the process proceeds to the next step S302. In step S302, it is determined whether or not the engine key switch has been turned until the engine is started. When it is determined that the engine key switch has not been turned (NO), the process is terminated, but when it is determined that it has been turned (YES). ) Proceeds to the next step S304, requests a password for authentication, and proceeds to the next step S306.
- step S306 it is determined whether or not the input passwords match. If they do not match, the process ends. If it is determined that they match (YES), the process proceeds to the next step S308. The process shifts to the standby state S4 and the process ends.
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Abstract
Description
200…油圧システム
300…保守装置
10…下部走行体
20…上部旋回体
25…モニター装置(保守モード設定手段、エンジン起動ロック手段、保守モード告知手段)
25b…表示部
25c…入力部
26…ブザー装置(保守モード告知手段)
30…制御コントローラ(異常検出手段、保守モード設定手段、エンジン起動ロック手段)
60…情報コントローラ(異常情報出力手段)
61…無線通信端末(異常情報出力手段)
F6…保守モードスイッチ
Claims (5)
- 建設機械に搭載された機器の異常を検出する異常検出手段と、
前記異常検出手段で検出された前記機器の異常情報を出力する異常情報出力手段と、
前記機器の保守作業を行うための保守モードを設定する保守モード設定手段とを備え、 前記異常情報出力手段は、前記保守モード設定手段によって保守モードが設定された状態のときに前記機器の異常が検出されたときには、当該情報を無効化または出力しないことを特徴とする建設機械の保守装置。 - 請求項1に記載の建設機械の保守装置において、
前記保守モード設定手段は、保守モード設定要求があったときは認証用のパスワードの入力を要求し、そのパスワードが予め設定されたパスワードと一致したときに保守モードに設定することを特徴とする建設機械の保守装置。 - 請求項1に記載の建設機械の保守装置において、
前記保守モードが設定された状態のときにエンジンの起動をロックするエンジン起動ロック手段を備え、
当該エンジン起動ロック手段は、前記保守モードが設定された状態のときにエンジンの起動要求があったときは、認証用のパスワードの入力を要求し、そのパスワードが予め設定されたパスワードと一致したときにエンジン起動のロックを解除することを特徴とする建設機械の保守装置。 - 請求項1に記載の建設機械の保守装置において、
前記建設機械が保守モードであることを示す保守モード告知手段を備えたことを特徴とする建設機械の保守装置。 - 請求項1に記載の建設機械の保守装置において、
前記保守モード設定手段、エンジン起動ロック手段、保守モード告知手段は、保守モードスイッチを有する入力部と表示部とを備えたモニター装置であることを特徴とする建設機械の保守装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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CN201480010819.4A CN105027015B (zh) | 2013-06-21 | 2014-06-20 | 工程机械的维护装置 |
EP14813689.8A EP3012703B1 (en) | 2013-06-21 | 2014-06-20 | Construction machine maintenance device |
KR1020157021919A KR101731749B1 (ko) | 2013-06-21 | 2014-06-20 | 건설 기계의 보수 장치 |
JP2015522988A JP6072245B2 (ja) | 2013-06-21 | 2014-06-20 | 建設機械の保守装置 |
US14/770,997 US9777466B2 (en) | 2013-06-21 | 2014-06-20 | Maintenance device for construction machine |
Applications Claiming Priority (2)
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JP2013130452 | 2013-06-21 | ||
JP2013-130452 | 2013-06-21 |
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WO2014203989A1 true WO2014203989A1 (ja) | 2014-12-24 |
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PCT/JP2014/066379 WO2014203989A1 (ja) | 2013-06-21 | 2014-06-20 | 建設機械の保守装置 |
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US (1) | US9777466B2 (ja) |
EP (1) | EP3012703B1 (ja) |
JP (1) | JP6072245B2 (ja) |
KR (1) | KR101731749B1 (ja) |
CN (1) | CN105027015B (ja) |
WO (1) | WO2014203989A1 (ja) |
Cited By (1)
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JP2019167753A (ja) * | 2018-03-23 | 2019-10-03 | 住友建機株式会社 | ショベル及びショベルの制御システム |
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JP6072246B2 (ja) * | 2013-06-21 | 2017-02-01 | 日立建機株式会社 | 建設機械の異常情報制御装置 |
GB201602231D0 (en) * | 2016-02-08 | 2016-03-23 | Ocado Innovation Ltd | A system and method for controlling temperature in a refrigerated vehicle |
JP6417348B2 (ja) * | 2016-03-07 | 2018-11-07 | 日立建機株式会社 | 建設機械のプログラム書換え装置 |
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Also Published As
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CN105027015B (zh) | 2017-05-24 |
KR20150107825A (ko) | 2015-09-23 |
JPWO2014203989A1 (ja) | 2017-02-23 |
EP3012703B1 (en) | 2022-07-06 |
EP3012703A1 (en) | 2016-04-27 |
US9777466B2 (en) | 2017-10-03 |
EP3012703A4 (en) | 2017-03-08 |
US20160002892A1 (en) | 2016-01-07 |
JP6072245B2 (ja) | 2017-02-01 |
KR101731749B1 (ko) | 2017-04-28 |
CN105027015A (zh) | 2015-11-04 |
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