CN104968863B - 施工设备 - Google Patents
施工设备 Download PDFInfo
- Publication number
- CN104968863B CN104968863B CN201380072226.6A CN201380072226A CN104968863B CN 104968863 B CN104968863 B CN 104968863B CN 201380072226 A CN201380072226 A CN 201380072226A CN 104968863 B CN104968863 B CN 104968863B
- Authority
- CN
- China
- Prior art keywords
- suspension rod
- arm
- control
- cylinder body
- solenoid valve
- 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.)
- Active
Links
- 238000010276 construction Methods 0.000 title claims abstract description 29
- 239000000725 suspension Substances 0.000 claims abstract description 194
- 238000007667 floating Methods 0.000 claims abstract description 36
- 239000012530 fluid Substances 0.000 claims description 20
- 230000007423 decrease Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 abstract 1
- 230000003252 repetitive effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 16
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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
- E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
-
- 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
-
- 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
- E02F9/20—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
-
- 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
- F15B2211/355—Pilot pressure control
-
- 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
- F15B2211/40—Flow control
- F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
- F15B2211/41581—Flow control characterised by the connections of the flow control means in the circuit being connected to an output member and a return line
-
- 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
- F15B2211/40—Flow control
- F15B2211/42—Flow control characterised by the type of actuation
- F15B2211/426—Flow control characterised by the type of actuation electrically or electronically
-
- 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6306—Electronic controllers using input signals representing a pressure
- F15B2211/6316—Electronic controllers using input signals representing a pressure the pressure being a pilot 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/635—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements
- F15B2211/6355—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements having valve means
-
- 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/665—Methods of control using electronic components
- F15B2211/6658—Control using different modes, e.g. four-quadrant-operation, working mode and transportation mode
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Operation Control Of Excavators (AREA)
Abstract
Description
Claims (6)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2013-0013099 | 2013-02-05 | ||
KR1020130013099A KR101937786B1 (ko) | 2013-02-05 | 2013-02-05 | 건설장비의 붐 플로트 모드 제어 시스템 |
KR1020130140133A KR101936329B1 (ko) | 2013-11-18 | 2013-11-18 | 건설장비 |
KR10-2013-0140133 | 2013-11-18 | ||
PCT/KR2013/011564 WO2014123300A1 (ko) | 2013-02-05 | 2013-12-13 | 건설장비 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104968863A CN104968863A (zh) | 2015-10-07 |
CN104968863B true CN104968863B (zh) | 2017-10-10 |
Family
ID=51299871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201380072226.6A Active CN104968863B (zh) | 2013-02-05 | 2013-12-13 | 施工设备 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9598839B2 (zh) |
EP (1) | EP2955279B1 (zh) |
CN (1) | CN104968863B (zh) |
WO (1) | WO2014123300A1 (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109689981B (zh) * | 2016-09-30 | 2022-04-12 | 住友重机械工业株式会社 | 挖土机 |
DE112016000256B4 (de) * | 2016-11-29 | 2022-07-07 | Komatsu Ltd. | Arbeitsausrüstungs-Steuerung und Arbeitsmaschine |
CN112004970B (zh) * | 2018-03-30 | 2023-04-04 | 住友建机株式会社 | 挖土机 |
CN113187000B (zh) * | 2020-01-14 | 2022-12-06 | 中联重科股份有限公司 | 工程机械的施工方法、装置、可读存储介质及处理器 |
IT202000021808A1 (it) * | 2020-09-16 | 2022-03-16 | Cnh Ind Italia Spa | Procedimento di controllo per eseguire una funzione flottante di un braccio, sistemi di controllo corrispondenti e macchine operatrici comprendenti tali sistemi di controllo |
CN112922074A (zh) * | 2021-01-28 | 2021-06-08 | 三一重机有限公司 | 动臂浮动的自适应启动方法及装置 |
CN115748855B (zh) * | 2022-12-16 | 2023-06-30 | 徐州徐工挖掘机械有限公司 | 一种挖掘机动臂浮动液压控制系统及控制方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5598648A (en) * | 1989-08-02 | 1997-02-04 | Kabushiki Kaisha Komatsu Seisakusho | Apparatus for controlling straight excavating operation with hydraulic excavator |
JP2009287176A (ja) * | 2008-05-27 | 2009-12-10 | Panasonic Electric Works Co Ltd | シンク取付構造 |
CN101922162A (zh) * | 2009-06-16 | 2010-12-22 | 沃尔沃建造设备控股(瑞典)有限公司 | 用于施工设备的具有浮动功能的液压系统 |
JP2011236562A (ja) * | 2010-05-06 | 2011-11-24 | Caterpillar Sarl | 作業機械のフロント制御装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6263724A (ja) * | 1985-09-17 | 1987-03-20 | Hitachi Constr Mach Co Ltd | 深さ表示装置を備えた作業機 |
JP2514915B2 (ja) * | 1989-03-08 | 1996-07-10 | 油谷重工株式会社 | 建設機械のブ―ム用フロ―ト回路 |
JP3684268B2 (ja) | 1996-04-23 | 2005-08-17 | コベルコ建機エンジニアリング株式会社 | 油圧シリンダのフローティング装置 |
JPH10168949A (ja) | 1996-12-06 | 1998-06-23 | Kobelco Kenki Eng Kk | 油圧シリンダのフローティング装置 |
KR200389671Y1 (ko) | 1999-06-30 | 2005-07-14 | 두산인프라코어 주식회사 | 휠로더의 붐하강 충격저감장치 |
KR100601458B1 (ko) | 2004-12-16 | 2006-07-18 | 두산인프라코어 주식회사 | 굴삭기의 붐-암 복합동작 유압제어장치 |
DE102009025827A1 (de) * | 2009-05-18 | 2010-11-25 | Bucyrus Dbt Europe Gmbh | Hydraulikschaltvorrichtung für die Mobilhydraulik, mobile Hydraulikmaschine und Ventileinheit |
-
2013
- 2013-12-13 CN CN201380072226.6A patent/CN104968863B/zh active Active
- 2013-12-13 US US14/764,220 patent/US9598839B2/en active Active
- 2013-12-13 WO PCT/KR2013/011564 patent/WO2014123300A1/ko active Application Filing
- 2013-12-13 EP EP13874576.5A patent/EP2955279B1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5598648A (en) * | 1989-08-02 | 1997-02-04 | Kabushiki Kaisha Komatsu Seisakusho | Apparatus for controlling straight excavating operation with hydraulic excavator |
JP2009287176A (ja) * | 2008-05-27 | 2009-12-10 | Panasonic Electric Works Co Ltd | シンク取付構造 |
CN101922162A (zh) * | 2009-06-16 | 2010-12-22 | 沃尔沃建造设备控股(瑞典)有限公司 | 用于施工设备的具有浮动功能的液压系统 |
JP2011236562A (ja) * | 2010-05-06 | 2011-11-24 | Caterpillar Sarl | 作業機械のフロント制御装置 |
Also Published As
Publication number | Publication date |
---|---|
EP2955279B1 (en) | 2018-05-16 |
EP2955279A4 (en) | 2016-09-07 |
US20150368878A1 (en) | 2015-12-24 |
CN104968863A (zh) | 2015-10-07 |
WO2014123300A1 (ko) | 2014-08-14 |
US9598839B2 (en) | 2017-03-21 |
EP2955279A1 (en) | 2015-12-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20170713 Address after: Seoul, South Kerean Applicant after: Modern construction machinery (strain) Address before: Ulsan, South Korea Applicant before: HYUNDAI HEAVY INDUSTRIES Co.,Ltd. |
|
TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address |
Address after: Gyeonggi Do, South Korea Patentee after: HD Modern Construction Machinery Co.,Ltd. Address before: Seoul, South Kerean Patentee before: Modern construction machinery (strain) |
|
CP03 | Change of name, title or address |