CN102917972A - 重型设备作业机的上升速度控制装置 - Google Patents
重型设备作业机的上升速度控制装置 Download PDFInfo
- Publication number
- CN102917972A CN102917972A CN2011800198708A CN201180019870A CN102917972A CN 102917972 A CN102917972 A CN 102917972A CN 2011800198708 A CN2011800198708 A CN 2011800198708A CN 201180019870 A CN201180019870 A CN 201180019870A CN 102917972 A CN102917972 A CN 102917972A
- Authority
- CN
- China
- Prior art keywords
- lift cylinder
- valve
- operate portions
- mentioned
- pump
- 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.)
- Granted
Links
- 230000001174 ascending effect Effects 0.000 claims description 22
- 239000003921 oil Substances 0.000 abstract 3
- 239000010720 hydraulic oil Substances 0.000 abstract 2
- 230000001133 acceleration Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Classifications
-
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
- F15B11/166—Controlling a pilot pressure in response to the load, i.e. supply to at least one user is regulated by adjusting either the system pilot pressure or one or more of the individual pilot command pressures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/22—Hydraulic devices or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
- F02D29/04—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
- F15C1/00—Circuit elements having no moving parts
- F15C1/02—Details, e.g. special constructional devices for circuits with fluid elements, such as resistances, capacitive circuit elements; devices preventing reaction coupling in composite elements ; Switch boards; Programme devices
- F15C1/04—Means for controlling fluid streams to fluid devices, e.g. by electric signals or other signals, no mixing taking place between the signal and the flow to be controlled
-
- 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
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20507—Type of prime mover
- F15B2211/20523—Internal combustion engine
-
- 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
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20576—Systems with pumps with multiple 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
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/3056—Assemblies of multiple valves
- F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
-
- 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
- F15B2211/30—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
- F15B2211/50—Pressure control
- F15B2211/505—Pressure control characterised by the type of pressure control means
- F15B2211/50554—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure downstream of the pressure control means, e.g. pressure reducing valve
-
- 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
- F15B2211/633—Electronic controllers using input signals representing a state of the prime mover, e.g. torque or rotational speed
-
- 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
-
- 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
- F15B2211/6654—Flow rate 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/67—Methods for controlling 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
- F15B2211/7114—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators
- F15B2211/7128—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators the chambers being connected in parallel
-
- 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
- F15B2211/7135—Combinations of output members of different types, e.g. single-acting cylinders with rotary motors
-
- 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/78—Control of multiple output members
- F15B2211/781—Control of multiple output members one or more output members having priority
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
Description
Claims (2)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100046766A KR20110127343A (ko) | 2010-05-19 | 2010-05-19 | 중장비 작업기의 상승속도 제어장치 |
KR10-2010-0046766 | 2010-05-19 | ||
PCT/KR2011/003698 WO2011145892A2 (ko) | 2010-05-19 | 2011-05-19 | 중장비 작업기의 상승속도 제어장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102917972A true CN102917972A (zh) | 2013-02-06 |
CN102917972B CN102917972B (zh) | 2015-03-25 |
Family
ID=44992225
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201180019870.8A Active CN102917972B (zh) | 2010-05-19 | 2011-05-19 | 重型设备作业机的上升速度控制装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8997477B2 (zh) |
EP (1) | EP2573042A4 (zh) |
KR (1) | KR20110127343A (zh) |
CN (1) | CN102917972B (zh) |
WO (1) | WO2011145892A2 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103601138A (zh) * | 2013-11-29 | 2014-02-26 | 三一集团有限公司 | 门架链条断裂保护系统及堆高机 |
CN107176566A (zh) * | 2016-03-11 | 2017-09-19 | 株式会社丰田自动织机 | 装卸车辆 |
CN107725504A (zh) * | 2017-09-21 | 2018-02-23 | 林德(中国)叉车有限公司 | 一种可为负载提供合适性能的液压系统及液压控制方法 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102941681A (zh) * | 2012-11-07 | 2013-02-27 | 南通锻压设备股份有限公司 | 一种液压垫的快速顶出结构 |
KR101925588B1 (ko) * | 2012-12-10 | 2018-12-05 | 주식회사 두산 | 지게차의 자동 제동장치 |
CN104030197B (zh) * | 2014-01-27 | 2016-09-07 | 柳州柳工叉车有限公司 | 控制叉车举升速度的装置及方法 |
JP6196567B2 (ja) * | 2014-03-06 | 2017-09-13 | 川崎重工業株式会社 | 建設機械の油圧駆動システム |
KR20180022460A (ko) * | 2016-08-24 | 2018-03-06 | 주식회사 두산 | 지게차 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4182126A (en) * | 1978-09-11 | 1980-01-08 | Logisticon, Inc. | Fork lift hydraulic servo control valve |
JPH10265195A (ja) * | 1997-03-25 | 1998-10-06 | Toyota Autom Loom Works Ltd | 産業車両用の油圧制御装置 |
JP2002068696A (ja) * | 2000-08-25 | 2002-03-08 | Kawasaki Heavy Ind Ltd | 産業車両用電磁制御弁 |
JP2006144820A (ja) * | 2004-11-16 | 2006-06-08 | Toyota Industries Corp | 産業車両の油圧制御装置及び産業車両 |
CN201245422Y (zh) * | 2008-06-27 | 2009-05-27 | 浙江佳力科技股份有限公司 | 全液压电动叉车能量控制阀 |
JP2009256094A (ja) * | 2008-03-18 | 2009-11-05 | Nippon Yusoki Co Ltd | フォークリフトの油圧システム及びその制御方法 |
EP2123594A1 (en) * | 2008-05-23 | 2009-11-25 | BT Products AB | Industrial lift truck with speed control |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0826552B2 (ja) * | 1989-07-27 | 1996-03-13 | 株式会社小松製作所 | 建設機械のポンプ吐出量制御システム |
WO1997032135A1 (en) * | 1996-02-28 | 1997-09-04 | Komatsu Ltd. | Control device for hydraulic drive machine |
US6209321B1 (en) * | 1997-08-29 | 2001-04-03 | Komatsu Ltd. | Hydraulic controller for a working machine |
US6305162B1 (en) * | 1999-03-31 | 2001-10-23 | Caterpillar Inc. | Method and apparatus for controlling the deadband of a fluid system |
US6305419B1 (en) * | 2000-07-14 | 2001-10-23 | Clark Equipment Company | Variable pilot pressure control for pilot valves |
US7007466B2 (en) * | 2001-12-21 | 2006-03-07 | Caterpillar Inc. | System and method for controlling hydraulic flow |
JP4795682B2 (ja) * | 2004-12-27 | 2011-10-19 | Tcm株式会社 | フォークリフト用油圧回路 |
BR112012015598B1 (pt) * | 2009-12-24 | 2019-08-27 | Doosan Infracore Co Ltd | aparelho de controle de potência e método de controle de potência para maquinaria de construção |
-
2010
- 2010-05-19 KR KR1020100046766A patent/KR20110127343A/ko not_active Application Discontinuation
-
2011
- 2011-05-19 CN CN201180019870.8A patent/CN102917972B/zh active Active
- 2011-05-19 WO PCT/KR2011/003698 patent/WO2011145892A2/ko active Application Filing
- 2011-05-19 US US13/698,432 patent/US8997477B2/en active Active
- 2011-05-19 EP EP11783774.0A patent/EP2573042A4/en not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4182126A (en) * | 1978-09-11 | 1980-01-08 | Logisticon, Inc. | Fork lift hydraulic servo control valve |
JPH10265195A (ja) * | 1997-03-25 | 1998-10-06 | Toyota Autom Loom Works Ltd | 産業車両用の油圧制御装置 |
JP2002068696A (ja) * | 2000-08-25 | 2002-03-08 | Kawasaki Heavy Ind Ltd | 産業車両用電磁制御弁 |
JP2006144820A (ja) * | 2004-11-16 | 2006-06-08 | Toyota Industries Corp | 産業車両の油圧制御装置及び産業車両 |
JP2009256094A (ja) * | 2008-03-18 | 2009-11-05 | Nippon Yusoki Co Ltd | フォークリフトの油圧システム及びその制御方法 |
EP2123594A1 (en) * | 2008-05-23 | 2009-11-25 | BT Products AB | Industrial lift truck with speed control |
CN201245422Y (zh) * | 2008-06-27 | 2009-05-27 | 浙江佳力科技股份有限公司 | 全液压电动叉车能量控制阀 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103601138A (zh) * | 2013-11-29 | 2014-02-26 | 三一集团有限公司 | 门架链条断裂保护系统及堆高机 |
CN107176566A (zh) * | 2016-03-11 | 2017-09-19 | 株式会社丰田自动织机 | 装卸车辆 |
US10183851B2 (en) | 2016-03-11 | 2019-01-22 | Kabushiki Kaisha Toyota Jidoshokki | Cargo vehicle |
CN107176566B (zh) * | 2016-03-11 | 2019-11-05 | 株式会社丰田自动织机 | 装卸车辆 |
CN107725504A (zh) * | 2017-09-21 | 2018-02-23 | 林德(中国)叉车有限公司 | 一种可为负载提供合适性能的液压系统及液压控制方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2011145892A3 (ko) | 2012-04-19 |
CN102917972B (zh) | 2015-03-25 |
US8997477B2 (en) | 2015-04-07 |
EP2573042A4 (en) | 2017-09-27 |
US20130055704A1 (en) | 2013-03-07 |
EP2573042A2 (en) | 2013-03-27 |
KR20110127343A (ko) | 2011-11-25 |
WO2011145892A2 (ko) | 2011-11-24 |
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