JP6915042B2 - ショベル - Google Patents
ショベル Download PDFInfo
- Publication number
- JP6915042B2 JP6915042B2 JP2019503855A JP2019503855A JP6915042B2 JP 6915042 B2 JP6915042 B2 JP 6915042B2 JP 2019503855 A JP2019503855 A JP 2019503855A JP 2019503855 A JP2019503855 A JP 2019503855A JP 6915042 B2 JP6915042 B2 JP 6915042B2
- Authority
- JP
- Japan
- Prior art keywords
- boom
- pressure
- hydraulic oil
- bucket
- cylinder
- Prior art date
- Legal status (The legal status 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 status listed.)
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- 239000010720 hydraulic oil Substances 0.000 claims description 143
- 239000004576 sand Substances 0.000 claims description 20
- 230000004044 response Effects 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims 1
- 238000009412 basement excavation Methods 0.000 description 43
- 238000000034 method Methods 0.000 description 30
- 230000008569 process Effects 0.000 description 29
- 239000003921 oil Substances 0.000 description 25
- 239000013642 negative control Substances 0.000 description 18
- 239000002689 soil Substances 0.000 description 12
- 230000007704 transition Effects 0.000 description 10
- 230000002123 temporal effect Effects 0.000 description 7
- 230000001133 acceleration Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 230000007935 neutral effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
-
- 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
- E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
- E02F3/435—Control of dipper or bucket position; Control of sequence of drive operations 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
- E02F9/26—Indicating devices
- E02F9/264—Sensors and their calibration for indicating the position of the work tool
- E02F9/265—Sensors and their calibration for indicating the position of the work tool with follow-up actions (e.g. control signals sent to actuate the work tool)
-
- 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
- E02F9/2221—Control of flow rate; Load sensing arrangements
- E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
- E02F9/2235—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps 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
- E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
- E02F9/2271—Actuators and supports therefor and protection therefor
-
- 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
- E02F9/2282—Systems using center bypass type changeover 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
- E02F9/2278—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
- E02F9/26—Indicating devices
-
- 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
- E02F9/261—Surveying the work-site to be treated
- E02F9/262—Surveying the work-site to be treated with follow-up actions to control the work tool, e.g. controller
-
- 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
- E02F3/303—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 with the dipper-arm or boom rotatable about its longitudinal axis
-
- 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
- E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
Description
Claims (7)
- 下部走行体と、
前記下部走行体に旋回可能に搭載される上部旋回体と、
前記上部旋回体に搭載される運転室と、
前記上部旋回体に取り付けられるブームを含むアタッチメントと、
前記ブームを駆動するブームシリンダと、
前記ブームシリンダに流入可能な作動油を制御する制御装置と、
前記アタッチメントに関する情報を取得する情報取得装置と、を有し、
前記制御装置は、ブーム上げ操作が行われたときには前記ブームシリンダに流入可能な作動油の圧力が増大している状態となるように、ブーム上げ操作が行われる前からブーム上げ操作開始までにわたって、前記アタッチメントに関する情報に応じて前記ブームシリンダに流入可能な作動油の圧力を増大させる、
ショベル。 - 前記制御装置は、ブーム上げ操作が行われる前に、前記アタッチメントに関する情報に基づいて決定したタイミングで前記ブームシリンダに流入可能な作動油の圧力を増大させ、
前記タイミングは、実際にブーム上げ操作が行われたときにはバケットが土砂で満たされることになるタイミングである、
請求項1に記載のショベル。 - 前記情報取得装置は、バケットの内部を撮像可能なカメラ、前記アタッチメントに取り付けられた角度センサ、及び、前記アタッチメントを駆動する油圧シリンダにおける作動油の圧力を検出するシリンダ圧センサのうちの少なくとも1つを含む、
請求項1に記載のショベル。 - 前記制御装置は、ブーム上げ操作が行われる前に、アームシリンダ及びバケットシリンダのそれぞれに流出入する作動油の流量を絞る、
請求項1に記載のショベル。 - 前記制御装置は、前記ブームシリンダに流入可能な作動油の圧力を増大させた後に所定時間が経過してもブーム上げ操作が行われなかった場合、増大させた圧力を低減させる、
請求項1に記載のショベル。 - アームシリンダに関する操作と旋回用油圧モータに関する操作とが行われる場合、前記旋回用油圧モータに流入可能な作動油の圧力を増大させる、
請求項1に記載のショベル。 - 前記ブーム上げ操作と旋回用油圧モータに関する操作とが行われる場合、前記ブームシリンダに流入可能な作動油の圧力を増大させる、
請求項1に記載のショベル。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017046769 | 2017-03-10 | ||
JP2017046769 | 2017-03-10 | ||
PCT/JP2018/009089 WO2018164238A1 (ja) | 2017-03-10 | 2018-03-08 | ショベル |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2018164238A1 JPWO2018164238A1 (ja) | 2020-01-09 |
JP6915042B2 true JP6915042B2 (ja) | 2021-08-04 |
Family
ID=63448755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019503855A Active JP6915042B2 (ja) | 2017-03-10 | 2018-03-08 | ショベル |
Country Status (6)
Country | Link |
---|---|
US (1) | US11619030B2 (ja) |
EP (1) | EP3594414B1 (ja) |
JP (1) | JP6915042B2 (ja) |
KR (1) | KR102456137B1 (ja) |
CN (1) | CN110291254B (ja) |
WO (1) | WO2018164238A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113544340B (zh) * | 2019-03-19 | 2023-08-18 | 住友建机株式会社 | 挖土机 |
CN111830032B (zh) * | 2020-06-01 | 2023-10-13 | 济南液脉智能科技有限公司 | 基于图像传感的在线多参数液压油智能传感器装置 |
DE102021106745A1 (de) * | 2021-03-19 | 2022-09-22 | Liebherr-Werk Nenzing Gmbh | Hebezeug mit einer Vorrichtung zum Unterstützen oder vollautomatischen Durchführen eines Aufricht- und/oder Ablegevorgangs eines Auslegersystems sowie entsprechendes Verfahren |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5682311A (en) * | 1995-11-17 | 1997-10-28 | Clark; George J. | Apparatus and method for controlling a hydraulic excavator |
US5933346A (en) * | 1996-06-05 | 1999-08-03 | Topcon Laser Systems, Inc. | Bucket depth and angle controller for excavator |
JP5108350B2 (ja) * | 2007-03-26 | 2012-12-26 | 株式会社小松製作所 | 油圧ショベルの作業量計測方法および作業量計測装置 |
US8463509B2 (en) * | 2008-03-21 | 2013-06-11 | Komatsu Ltd. | Working vehicle, control device for working vehicle, and control method for working vehicle |
KR101768662B1 (ko) * | 2011-03-08 | 2017-08-17 | 스미토모 겐키 가부시키가이샤 | 쇼벨 및 쇼벨의 제어방법 |
JP5562893B2 (ja) * | 2011-03-31 | 2014-07-30 | 住友建機株式会社 | ショベル |
JP5653844B2 (ja) * | 2011-06-07 | 2015-01-14 | 住友建機株式会社 | ショベル |
JP5814835B2 (ja) * | 2012-03-09 | 2015-11-17 | 住友重機械工業株式会社 | ショベル |
JP5162040B1 (ja) | 2012-06-27 | 2013-03-13 | 孝典 佐藤 | 免震床の復元方法 |
WO2014051170A1 (en) * | 2012-09-25 | 2014-04-03 | Volvo Construction Equipment Ab | Automatic grading system for construction machine and method for controlling the same |
JP6053828B2 (ja) * | 2013-01-08 | 2016-12-27 | 日立建機株式会社 | 作業機械の油圧システム |
JP6193075B2 (ja) * | 2013-09-30 | 2017-09-06 | 株式会社小松製作所 | 運搬機械 |
CN106795706B (zh) * | 2014-12-26 | 2020-11-10 | 住友建机株式会社 | 挖土机 |
JP2017046769A (ja) | 2015-08-31 | 2017-03-09 | 株式会社ヤマナカ | 理美容鋏 |
CN106149795B (zh) * | 2016-08-24 | 2018-07-27 | 四川邦立重机有限责任公司 | 挖掘机动臂液压控制系统 |
-
2018
- 2018-03-08 EP EP18764912.4A patent/EP3594414B1/en active Active
- 2018-03-08 CN CN201880011572.6A patent/CN110291254B/zh active Active
- 2018-03-08 KR KR1020197022973A patent/KR102456137B1/ko active IP Right Grant
- 2018-03-08 WO PCT/JP2018/009089 patent/WO2018164238A1/ja active Application Filing
- 2018-03-08 JP JP2019503855A patent/JP6915042B2/ja active Active
-
2019
- 2019-09-03 US US16/558,708 patent/US11619030B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN110291254A (zh) | 2019-09-27 |
EP3594414B1 (en) | 2023-01-18 |
EP3594414A4 (en) | 2020-04-15 |
JPWO2018164238A1 (ja) | 2020-01-09 |
EP3594414A1 (en) | 2020-01-15 |
WO2018164238A1 (ja) | 2018-09-13 |
KR20190123724A (ko) | 2019-11-01 |
US11619030B2 (en) | 2023-04-04 |
KR102456137B1 (ko) | 2022-10-17 |
CN110291254B (zh) | 2022-07-05 |
US20190390444A1 (en) | 2019-12-26 |
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