JP6826541B2 - 作業機械 - Google Patents
作業機械 Download PDFInfo
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- JP6826541B2 JP6826541B2 JP2017560637A JP2017560637A JP6826541B2 JP 6826541 B2 JP6826541 B2 JP 6826541B2 JP 2017560637 A JP2017560637 A JP 2017560637A JP 2017560637 A JP2017560637 A JP 2017560637A JP 6826541 B2 JP6826541 B2 JP 6826541B2
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- pilot
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- boom
- valve block
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- 239000003921 oil Substances 0.000 claims description 121
- 239000010720 hydraulic oil Substances 0.000 claims description 26
- 238000009412 basement excavation Methods 0.000 claims description 14
- 239000004576 sand Substances 0.000 description 10
- 239000002184 metal Substances 0.000 description 9
- 238000005192 partition Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
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- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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- 230000004043 responsiveness Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 239000012780 transparent material Substances 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
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2221—Control of flow rate; Load sensing arrangements
- E02F9/2225—Control of flow rate; Load sensing arrangements using pressure-compensating valves
-
- 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
- E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
- E02F9/2267—Valves or distributors
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
- E02F3/32—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom working downwardly and towards the machine, e.g. with backhoes
- E02F3/325—Backhoes of the miniature type
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
- E02F3/425—Drive systems for dipper-arms, backhoes or the like
-
- 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
-
- 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
- E02F9/16—Cabins, platforms, or the like, for drivers
-
- 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
- E02F9/16—Cabins, platforms, or the like, for drivers
- E02F9/163—Structures to protect drivers, e.g. cabins, doors for cabins; Falling object protection structure [FOPS]; Roll over protection structure [ROPS]
-
- 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
- E02F9/2221—Control of flow rate; Load sensing arrangements
-
- 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
- E02F9/2221—Control of flow rate; Load sensing arrangements
- E02F9/2225—Control of flow rate; Load sensing arrangements using pressure-compensating valves
- E02F9/2228—Control of flow rate; Load sensing arrangements using pressure-compensating valves including an electronic controller
-
- 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
- E02F9/2285—Pilot-operated systems
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/329—Directional control characterised by the type of actuation actuated by fluid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/52—Pressure control characterised by the type of actuation
- F15B2211/526—Pressure control characterised by the type of actuation electrically or electronically
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Operation Control Of Excavators (AREA)
- Component Parts Of Construction Machinery (AREA)
Description
作業機4のブーム4Aは、旋回体3に対して、ブームピンを中心に回転移動する。旋回体3に対して回動するブーム4Aの特定の部分、たとえばブーム4Aの先端部が移動する軌跡は円弧状であり、その円弧を含む平面が特定される。油圧ショベル1を平面視した場合に、当該平面は直線として表される。この直線の延びる方向が、車両本体の前後方向、または旋回体3の前後方向であり、以下では単に前後方向ともいう。車両本体の左右方向(車幅方向)、または旋回体3の左右方向とは、平面視において前後方向と直交する方向であり、以下では単に左右方向ともいう。左右方向とは、ブームピンの延びる方向をいう。車両本体の上下方向、または旋回体3の上下方向とは、前後方向および左右方向によって定められる平面に直交する方向であり、以下では単に上下方向ともいう。
実施形態に基づく油圧ショベル1によれば、図3に示すように、複数の電磁比例制御弁73〜79は、電磁比例制御弁73〜75,79を含む第1弁ブロック71と、電磁比例制御弁76〜78を含む第2弁ブロックとに分割されている。図4に示すように、第1弁ブロック71と第2弁ブロック72とは、互いに離れて配置されている。
Claims (5)
- 作業機と、
前記作業機を搭載する旋回フレームと、
前記作業機を駆動する複数の油圧シリンダと、
前記油圧シリンダを駆動するために操作される操作装置と、
前記油圧シリンダに作動油を供給して前記油圧シリンダを動作させる複数の方向制御弁と、
前記操作装置が操作されることにより発生するパイロット油の圧力を制御し、前記パイロット油の圧力に応じて、前記方向制御弁から前記油圧シリンダに供給される前記作動油の流量を調整する、複数の電磁比例制御弁とを備え、
前記複数の電磁比例制御弁は、少なくとも1つの前記電磁比例制御弁を含む第1弁ブロックと、少なくとも1つの前記電磁比例制御弁を含む第2弁ブロックとに分割されており、
前記第1弁ブロックは前記旋回フレームの右方の縁部分の近くに配置され、前記第2弁ブロックは前記旋回フレームの前方の縁部分の近くに配置され、前記第1弁ブロックと前記第2弁ブロックとは互いに離れて配置されている、作業機械。 - 前記第1弁ブロックと前記第2弁ブロックとは、前記作業機を挟んで両側に配置されている、請求項1に記載の作業機械。
- 前記作業機は、ブームを有し、
前記複数の電磁比例制御弁は、前記ブームを強制的に上昇させるためのブーム強制上げ用弁を含み、
前記第1弁ブロックは、前記ブーム強制上げ用弁を含み、
前記第1弁ブロックは、前記第2弁ブロックよりも前記方向制御弁の近くに配置されている、請求項1または2に記載の作業機械。 - オペレータが搭乗するキャブを備え、前記操作装置は前記キャブ内に配置されており、
前記第2弁ブロックは、前記キャブの下方に配置されている、請求項1〜3のいずれか1項に記載の作業機械。 - 前記作業機は、ブームと、前記ブームに対して回転可能なアームとを有し、
前記複数の電磁比例制御弁は、前記アームを掘削動作させるためのアーム掘削用弁を含み、
前記第1弁ブロックは、前記アーム掘削用弁を含む、請求項4に記載の作業機械。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2017/023495 WO2019003289A1 (ja) | 2017-06-27 | 2017-06-27 | 作業機械 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2019003289A1 JPWO2019003289A1 (ja) | 2020-05-07 |
JP6826541B2 true JP6826541B2 (ja) | 2021-02-03 |
Family
ID=64742804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017560637A Active JP6826541B2 (ja) | 2017-06-27 | 2017-06-27 | 作業機械 |
Country Status (6)
Country | Link |
---|---|
US (1) | US11072910B2 (ja) |
JP (1) | JP6826541B2 (ja) |
KR (1) | KR102088805B1 (ja) |
CN (1) | CN109429501B (ja) |
DE (1) | DE112017000136B4 (ja) |
WO (1) | WO2019003289A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112938473B (zh) * | 2021-01-29 | 2022-12-20 | 三一海洋重工有限公司 | 一种抓料机的控制方法及其控制器、存储介质及电子设备 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2972530B2 (ja) * | 1994-11-16 | 1999-11-08 | 新キャタピラー三菱株式会社 | 建設機械の作業機制御装置 |
JP3567051B2 (ja) * | 1996-06-12 | 2004-09-15 | 新キャタピラー三菱株式会社 | 油圧アクチュエータ用の操作制御装置 |
JPH10292425A (ja) | 1997-04-21 | 1998-11-04 | Kubota Corp | バックホー |
US6334308B1 (en) * | 1998-03-04 | 2002-01-01 | Komatsu Ltd. | Pressure compensating valve, unloading pressure control valve and hydraulically operated device |
JP2000096601A (ja) * | 1998-09-25 | 2000-04-04 | Komatsu Ltd | 作業機の角度制御方法及びその制御装置 |
JP2001032331A (ja) * | 1999-07-19 | 2001-02-06 | Hitachi Constr Mach Co Ltd | 建設機械の領域制限制御装置および領域制限制御方法 |
WO2002086331A1 (fr) * | 2001-04-17 | 2002-10-31 | Shin Caterpillar Mitsubishi Ltd. | Circuit hydraulique |
JP3901470B2 (ja) * | 2001-05-15 | 2007-04-04 | 新キャタピラー三菱株式会社 | 流体圧回路の制御システム |
EP1489234B1 (en) * | 2002-03-26 | 2012-02-29 | Kobelco Construction Machinery Co., Ltd. | Small swing type shovel |
JP4227910B2 (ja) | 2004-03-04 | 2009-02-18 | 日立建機株式会社 | 建設機械の機器配設構造 |
JP4171467B2 (ja) * | 2005-01-20 | 2008-10-22 | 株式会社小松製作所 | 建設機械の制御モード切換装置および建設機械 |
WO2013089127A1 (ja) * | 2011-12-13 | 2013-06-20 | ヤンマー株式会社 | 作業車両 |
WO2016051815A1 (ja) * | 2014-09-30 | 2016-04-07 | 株式会社クボタ | 作業機の油圧システム及び作業機 |
JP6621130B2 (ja) * | 2015-02-06 | 2019-12-18 | キャタピラー エス エー アール エル | 油圧アクチュエータ制御回路 |
EP3225752B1 (en) * | 2016-03-31 | 2021-11-03 | Kubota Corporation | Hydraulic system for work machine |
US10280906B2 (en) * | 2016-06-07 | 2019-05-07 | Kubota Corporation | Hydraulic system for work machine |
CN108291386B (zh) * | 2016-11-09 | 2020-12-15 | 株式会社小松制作所 | 工作车辆以及工作车辆的控制方法 |
US10378563B2 (en) * | 2016-11-09 | 2019-08-13 | Komatsu Ltd. | Work vehicle and data calibration method |
JP6845736B2 (ja) * | 2017-04-28 | 2021-03-24 | 川崎重工業株式会社 | 液圧駆動システム |
US10816018B2 (en) * | 2017-08-03 | 2020-10-27 | Kabushiki Kaisha Toyota Jidoshokki | Hydraulic driving device of industrial vehicle |
JP7370724B2 (ja) * | 2019-04-05 | 2023-10-30 | 株式会社竹内製作所 | 作業用車両の作動制御装置 |
-
2017
- 2017-06-27 CN CN201780002889.9A patent/CN109429501B/zh active Active
- 2017-06-27 WO PCT/JP2017/023495 patent/WO2019003289A1/ja active Application Filing
- 2017-06-27 US US15/758,059 patent/US11072910B2/en active Active
- 2017-06-27 DE DE112017000136.6T patent/DE112017000136B4/de active Active
- 2017-06-27 JP JP2017560637A patent/JP6826541B2/ja active Active
- 2017-06-27 KR KR1020187004636A patent/KR102088805B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
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CN109429501B (zh) | 2021-05-25 |
US20200224388A1 (en) | 2020-07-16 |
WO2019003289A1 (ja) | 2019-01-03 |
CN109429501A (zh) | 2019-03-05 |
US11072910B2 (en) | 2021-07-27 |
JPWO2019003289A1 (ja) | 2020-05-07 |
KR20190015168A (ko) | 2019-02-13 |
DE112017000136B4 (de) | 2022-12-15 |
DE112017000136T5 (de) | 2019-02-28 |
KR102088805B1 (ko) | 2020-03-13 |
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