WO2015190631A1 - Appareils de fonctionnement d'équipement de construction - Google Patents

Appareils de fonctionnement d'équipement de construction Download PDF

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Publication number
WO2015190631A1
WO2015190631A1 PCT/KR2014/005168 KR2014005168W WO2015190631A1 WO 2015190631 A1 WO2015190631 A1 WO 2015190631A1 KR 2014005168 W KR2014005168 W KR 2014005168W WO 2015190631 A1 WO2015190631 A1 WO 2015190631A1
Authority
WO
WIPO (PCT)
Prior art keywords
switch
joystick
work device
state
operating
Prior art date
Application number
PCT/KR2014/005168
Other languages
English (en)
Korean (ko)
Inventor
주성용
Original Assignee
볼보 컨스트럭션 이큅먼트 에이비
주성용
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 볼보 컨스트럭션 이큅먼트 에이비, 주성용 filed Critical 볼보 컨스트럭션 이큅먼트 에이비
Priority to PCT/KR2014/005168 priority Critical patent/WO2015190631A1/fr
Publication of WO2015190631A1 publication Critical patent/WO2015190631A1/fr

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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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
    • G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
    • G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks

Definitions

  • the present invention relates to a construction machine, and more particularly, to a construction machine operating device for driving a work device or a dozer blade of an excavator.
  • the dozer blade is mounted upside down by the hydraulic cylinder drive behind the undercarriage of the excavator.
  • the dozer blade can easily perform a back-filling or flattening of soil, earth and sand, and is used to optimally maintain equipment balance during operation.
  • a hydraulic cylinder 1 for a work device and a hydraulic cylinder 2 for a doser blade are driven by a hydraulic oil supplied therefrom to a hydraulic pump (not shown).
  • Main control valve (MCV) 3 is installed to control the flow direction of the hydraulic oil supplied to 1,2).
  • a joystick 4 for a work device and an operation lever 5 for a dozer blade that output an operation signal corresponding to the operation amount are connected to the main control valve 3.
  • the main control valve 3 is driven by the pilot signal pressure from the pilot pump (not shown) via the joystick 4 for the work device to correspond to the manipulation amount. Change the spool for the work tool.
  • the hydraulic cylinder 1 for the work device can be driven by the hydraulic oil passing through the spool for the work device discharged from the hydraulic pump and switched.
  • the doser spool of the main control valve 3 by the pilot signal pressure from the pilot pump via the dozer blade operating lever 5 to correspond to the operation amount. Switch to.
  • the hydraulic cylinder 2 for the doser blade can be driven by the hydraulic oil passing through the dosing spool discharged from the hydraulic pump and switched.
  • the operation lever 5 for the dozer blade is used to be mounted on the left side or the right side around the driver's seat. In this case, it is difficult to secure and arrange a space to prevent interference with joysticks for work devices mounted on the left and right sides of the driver's seat.
  • the mounting position of the dozer blade operating lever 5 is determined to be equal to the left or right side of the driver's seat for each equipment model. For this reason, even if the mounting position of the said dozer blade operating lever 5 does not meet customer requirements, a customer cannot change the mounting position of the dozer blade operating lever 5. Therefore, there is a disadvantage that can not actively respond to customer requirements.
  • the length of the operation lever 5 for the dozer blade is long has a disadvantage that can be broken or noise is generated due to frequent collisions with the driver in the narrow cab.
  • an object of the present invention is to provide an operating device for a construction machine, which requires no space for separately installing an operation lever for a dozer blade of an excavator in a cab.
  • an object of the present invention is to provide an operating device for a construction machine in which a customer can arbitrarily select a mounting position of an operating lever for operating a doser blade.
  • an object of the present invention is to provide an operating device for a construction machine that can prevent the malfunction of the dozer blade due to the carelessness of the driver during the operation.
  • the main pump is installed in the flow path between the hydraulic pump and the hydraulic cylinder for the working device and the flow path between the hydraulic pump and the hydraulic cylinder for the dozer blade, and controls the driving of the hydraulic cylinder for the working device or the hydraulic cylinder for the dozer blade during the switching.
  • Control valve
  • a joystick for a work device for outputting an operation signal corresponding to the operation amount
  • a first switch mounted at an arbitrary position of the joystick for the work device and operated in an on state to drive the doser blade;
  • the doser blade When the first switch is operated in an on state, the doser blade is driven by operating the joystick for the work device, and when the first switch is maintained in the off state, the work device is operated by operating the joystick for the work device. It provides a control device for a construction machine comprising a; the first selection valve to be switched to.
  • the working device When the electrical signal is switched on from the second switch and the first switch is kept in the off state, the working device is driven by the joystick operation for the working device, and the electrical signal is applied from the second switch. And a second selection valve switched to drive the doser blade by operating the joystick for the work device when the switch is switched to the on state and the first switch is operated in the on state.
  • the second selection valve is
  • the solenoid valve is switched to the on state to selectively drive the doser blade or the work device according to the on or off state of the first switch.
  • the second selection valve is
  • the first selection valve is
  • the solenoid switched to the on state to selectively drive the doser blade or the work device when operating the joystick for the work device according to the on state or the off state of the first switch. It is characterized in that the valve.
  • an instrument panel mounted inside the cab to display a selected working mode of the work device or the dozer blade driven by the operation of the joystick for the work device.
  • the boom and the dozer blade are driven up / down by the first selection valve.
  • the arm in / out and the doser blade are driven up / down by the first selection valve. It is characterized by.
  • the present invention having the above-described configuration, it is possible to operate the working device or the dozer blade by the joystick for the working device, so it is not necessary to install the operating lever for the dozer blade, so that the limited space of the cab cap is utilized effectively.
  • the mounting position of the operating lever for manipulating the doser blade (which refers to the left or right direction of the driver's seat) can be arbitrarily selected by the customer, thereby providing reliability and convenience. It is possible to prevent the malfunction of the doser blade due to the carelessness of the driver during work, thereby ensuring the safety.
  • Figure 2 is a state of use of the operating device for a construction machine according to a preferred embodiment of the present invention
  • FIG. 3 is a hydraulic circuit diagram showing that only the working device is driven by the operation of the joystick for the working device in the operating device for a construction machine according to a preferred embodiment of the present invention
  • FIG. 4 is a hydraulic circuit diagram showing that the operating device can be driven by the operation of the joystick for the working device in the operating device for a construction machine according to an embodiment of the present invention
  • FIG. 5 is a hydraulic circuit diagram showing that the dozer blade can be driven by the operation of the joystick for the working device in the operating device for a construction machine according to a preferred embodiment of the present invention.
  • Figure 2 is a state diagram using a construction machine operating apparatus according to a preferred embodiment of the present invention
  • Figure 3 is a construction machine operating apparatus according to a preferred embodiment of the present invention, only the working apparatus by the operation of the joystick for the working apparatus
  • Figure 4 is a hydraulic circuit diagram showing driving
  • Figure 4 is a hydraulic circuit diagram showing that the operating device can be driven by the operation of the joystick for the working device in the operating device operating apparatus according to a preferred embodiment of the present invention
  • Figure 5 In a construction machine operating apparatus according to a preferred embodiment of the present invention, it is a hydraulic circuit diagram showing that the dozer blade can be driven by the operation of the joystick for the working apparatus.
  • a construction machine operating apparatus for the hydraulic cylinder (1) and the dozer blade for the working device driven by the hydraulic oil supplied therefrom to a hydraulic pump (not shown)
  • the hydraulic cylinder 2 is connected.
  • the hydraulic cylinder (1) for the working device In the flow path between the hydraulic pump and the hydraulic cylinder (1) for the working device, and the flow path between the hydraulic pump and the hydraulic cylinder (2) for the doser blade, the hydraulic cylinder (1) for the working device when switching the spool (spool) and A main control valve (MCV) 3 is installed to control the flow direction of the hydraulic oil supplied to the hydraulic cylinder 2 for the doser blade.
  • MCV main control valve
  • a joystick 4 for a work device for outputting an operation signal corresponding to the operation amount is connected to the main control valve 3.
  • a first switch 6 operated in the ON state for driving the doser blade is mounted at an arbitrary position of the joystick 4 for the work device.
  • a second selection valve 8 for driving only the work device when operating the joystick 4 for the work device is used for the work device.
  • a flow path between the joystick 4 and the first selection valve 7 is provided.
  • the second selection valve 8 is capable of driving the work device by operating the joystick 4 for the work device when the first switch 6 is kept in the OFF state. It is switched to the ON state by applying an electrical signal from the switch 9.
  • the second selection valve 8 may drive the doser blade by operating the joystick 4 for the work device when the first switch 6 is operated in an ON state.
  • the switch is switched to the ON state by applying an electrical signal from the switch 9.
  • a solenoid valve switched to the ON state to selectively drive the doser blade or the work device according to the ON state or the OFF state of the switch 6 may be used.
  • the first switch 6 is turned ON and the joystick 4 for the work device is operated. It can be used to block the supply of hydraulic oil to the hydraulic cylinder (2) for the doser blade.
  • the first selection valve 7 is
  • the dozer blade when operating the joystick (4) for the work device according to the ON (ON) state or OFF (OFF) state of the first switch (6)
  • a solenoid valve that is switched on to selectively drive the work tool may be used.
  • Instrument panel for displaying the selected working mode (referring to the working mode or dozer blade mode) of the working device or the dozer blade driven by the operation of the joystick for work tool (4) It may be mounted inside).
  • the boom and the dozer are controlled by the first selection valve 7.
  • the blades UP / DOWN In order to drive the dozer blade by operating the joystick 4 for the work device mounted on the right side of the driver's seat and equipped with the first switch 6, the boom and the dozer are controlled by the first selection valve 7.
  • the blades UP / DOWN In order to drive the dozer blade by operating the joystick 4 for the work device mounted on the right side of the driver's seat and equipped with the first switch 6, the boom and the dozer are controlled by the first selection valve 7.
  • the blades UP / DOWN In order to drive the dozer blade by operating the joystick 4 for the work device mounted on the right side of the driver's seat and equipped with the first switch 6, the boom and the dozer are controlled by the first selection valve 7.
  • the blades UP / DOWN In order to drive the dozer blade by operating the joystick 4 for the work device mounted on the right side of the driver's seat and equipped with the first switch 6, the boom and the dozer are controlled by the
  • the arm in ( The IN / OUT and the doser blades can be driven up / down.
  • the second selection valve 8 is separated from the second switch 9. Since no electrical signal is applied, the initial state is maintained by the elastic force of the valve spring 8a.
  • the operation signal by the operation of the joystick 4 for the working device is transmitted to the main control valve 3 via the second selection valve 8, thereby switching the spool 3a for the working device.
  • the hydraulic oil of the hydraulic pump (not shown) is supplied to the hydraulic cylinder 1 for the working device via the switched work device spool 3a. Therefore, the work device can be raised (UP) or down (DOWN).
  • the instrument panel displays a working device mode indicating that the working device is being driven.
  • the operation device joystick 4 is operated when the second selection valve 8 is operated.
  • the spool 3a is switched. Therefore, it is possible to drive only the working device by driving the hydraulic cylinder 1 for the working device by the hydraulic oil of the hydraulic pump.
  • the hydraulic cylinder 2 for the doser blade is held. It can't be driven. That is, by preventing confusion between the working device and the dozer blade, it is possible to prevent the malfunction of the doser blade.
  • the operation signal by the operation of the joystick (4) for the work device is transmitted to the main control valve (3) via the second selection valve 8 and the first selection valve (7) Switch the spool 3a.
  • the hydraulic oil of the hydraulic pump is supplied to the hydraulic cylinder 1 for the working apparatus via the switched work apparatus spool 3a, thereby bringing up or down the working apparatus.
  • the instrument panel is displayed (stand by) to drive the doser blade.
  • the operation signal by the operation of the joystick 4 for the work device is transmitted to the main control valve 3 via the second selection valve 8 and the first selection valve 7, so that the doser The blade spool 3b is switched.
  • the hydraulic oil of the hydraulic pump is supplied to the hydraulic cylinder for the dozer blade (2) via the switched dozer blade spool (3b). Therefore, the doser blade can be raised (UP) or down (DOWN). In this case, the instrument panel displays a doser blade mode informing that the dozer blade is being driven.
  • the first switch 6 When the work device is to be driven while working by driving the doser blade, the first switch 6 is operated in an OFF state. This makes it possible to stop the drive of the doser blade and to switch to the work mode that can drive the work tool. That is, the doser blade can be easily switched to a driving state or a stationary state by an ON operation or an OFF operation of the first switch 6.
  • the user can arbitrarily select the mounting position of the joystick 4 for the working device on which the first switch 6 for driving the doser blade is mounted. That is, when the user selects the model name of the equipment on which the work device joystick 4 is mounted on the right side of the driver's seat, the user operates the first switch 6 mounted on the work device joystick 4 mounted on the right side of the driver's seat. The doser blade can be driven. At this time, the first selection valve 7 is set in advance when assembling the equipment so that the up / down of the boom and the up / down drive of the dozer blade.
  • the first switch 6 mounted on the work device joystick 4 mounted on the left side of the driver's seat is operated.
  • the doser blade may be driven.
  • the first selection valve 7 is set in advance when assembling the equipment to drive the in (in) / out (out) and the doser blade of the arm (UP) / (DOWN).
  • a space for separately installing the dozer blade operating lever in the cab is unnecessary.
  • the customer can arbitrarily select the mounting position of the operation lever for operating the doser blade.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)

Abstract

La présente invention concerne un appareil de fonctionnement d'équipement de construction qui fait fonctionner un dispositif de travail ou une lame de bouteur. L'appareil de fonctionnement d'équipement de construction, selon la présente invention, comprend : un cylindre hydraulique de dispositif de travail et un cylindre hydraulique de lame de bouteur ; une soupape de commande principale qui commande pour actionner le cylindre hydraulique de dispositif de travail ou le cylindre hydraulique de lame du bouteur lors de la commutation ; une manette de commande de dispositif de travail ; un premier interrupteur monté au niveau d'un emplacement arbitraire de la manette de commande de dispositif de travail et enclenché pour actionner la lame du bouteur ; et une première soupape de sélection qui est commutée de manière à actionner la lame du bouteur en actionnant la manette de commande de dispositif de travail lorsque le premier interrupteur est enclenché et pour actionner le dispositif de travail par l'actionnement de la manette de commande de dispositif de travail lorsque le premier interrupteur est maintenu dans un état désenclenché.
PCT/KR2014/005168 2014-06-12 2014-06-12 Appareils de fonctionnement d'équipement de construction WO2015190631A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2014/005168 WO2015190631A1 (fr) 2014-06-12 2014-06-12 Appareils de fonctionnement d'équipement de construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2014/005168 WO2015190631A1 (fr) 2014-06-12 2014-06-12 Appareils de fonctionnement d'équipement de construction

Publications (1)

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WO2015190631A1 true WO2015190631A1 (fr) 2015-12-17

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016105909A1 (de) * 2016-03-31 2017-10-05 Komatsu Ltd. Steuerungsvorrichtung, Arbeitsfahrzeug und Verfahren zum Steuern eines bewegbaren Arbeitsanbaugerätes
US9803335B1 (en) 2016-05-17 2017-10-31 Deere & Company Integrated CB microphone control
WO2022093494A1 (fr) * 2020-10-30 2022-05-05 Caterpillar Inc. Sélection de mode pour une commande d'opérateur
WO2022093485A1 (fr) * 2020-10-30 2022-05-05 Caterpillar Inc. Commande coordonnée d'actionneur par une commande d'opérateur

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000015023U (ko) * 1998-12-31 2000-07-25 추호석 휠타입 굴삭기의 도저 자동 승하강 제어장치
KR100645853B1 (ko) * 1999-08-05 2006-11-14 가부시키가이샤 고마쓰 세이사쿠쇼 건설기계에 있어서의 작업기의 구동조작장치
KR20090065043A (ko) * 2007-12-17 2009-06-22 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 소 선회식 굴삭기의 붐 충격 완화장치 및 그 제어방법
KR20110077064A (ko) * 2009-12-30 2011-07-07 볼보 컨스트럭션 이큅먼트 에이비 건설장비용 유압시스템
KR101328847B1 (ko) * 2009-07-17 2013-11-13 현대중공업 주식회사 소형 굴삭기용 네가티브 유량제어 시스템

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000015023U (ko) * 1998-12-31 2000-07-25 추호석 휠타입 굴삭기의 도저 자동 승하강 제어장치
KR100645853B1 (ko) * 1999-08-05 2006-11-14 가부시키가이샤 고마쓰 세이사쿠쇼 건설기계에 있어서의 작업기의 구동조작장치
KR20090065043A (ko) * 2007-12-17 2009-06-22 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 소 선회식 굴삭기의 붐 충격 완화장치 및 그 제어방법
KR101328847B1 (ko) * 2009-07-17 2013-11-13 현대중공업 주식회사 소형 굴삭기용 네가티브 유량제어 시스템
KR20110077064A (ko) * 2009-12-30 2011-07-07 볼보 컨스트럭션 이큅먼트 에이비 건설장비용 유압시스템

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016105909A1 (de) * 2016-03-31 2017-10-05 Komatsu Ltd. Steuerungsvorrichtung, Arbeitsfahrzeug und Verfahren zum Steuern eines bewegbaren Arbeitsanbaugerätes
DE102016105909B4 (de) * 2016-03-31 2017-11-23 Komatsu Ltd. Steuerungsvorrichtung, Arbeitsfahrzeug und Verfahren zum Steuern eines bewegbaren Arbeitsanbaugerätes
US9803335B1 (en) 2016-05-17 2017-10-31 Deere & Company Integrated CB microphone control
WO2022093494A1 (fr) * 2020-10-30 2022-05-05 Caterpillar Inc. Sélection de mode pour une commande d'opérateur
WO2022093485A1 (fr) * 2020-10-30 2022-05-05 Caterpillar Inc. Commande coordonnée d'actionneur par une commande d'opérateur

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