CN104144843B - 转向控制单元以及电液转向负载敏感控制 - Google Patents
转向控制单元以及电液转向负载敏感控制 Download PDFInfo
- Publication number
- CN104144843B CN104144843B CN201280047981.4A CN201280047981A CN104144843B CN 104144843 B CN104144843 B CN 104144843B CN 201280047981 A CN201280047981 A CN 201280047981A CN 104144843 B CN104144843 B CN 104144843B
- Authority
- CN
- China
- Prior art keywords
- circuit
- valve
- load
- steering
- fluid
- 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
- 230000035945 sensitivity Effects 0.000 title description 4
- 239000012530 fluid Substances 0.000 claims abstract description 132
- 238000004891 communication Methods 0.000 claims abstract description 63
- 230000002706 hydrostatic effect Effects 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 9
- 238000012354 overpressurization Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 2
- 230000002000 scavenging effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000001588 bifunctional effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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
- F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
- F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
- F15B9/08—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/22—Alternative steering-control elements, e.g. for teaching purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/09—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by means for actuating valves
-
- 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
- F15B2211/321—Directional control characterised by the type of actuation mechanically
- F15B2211/324—Directional control characterised by the type of actuation mechanically manually, e.g. by using a lever or pedal
-
- 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/605—Load sensing circuits
-
- 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
- F15B2211/61—Secondary circuits
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/0318—Processes
- Y10T137/0324—With control of flow by a condition or characteristic of a fluid
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Power Steering Mechanism (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
Description
Claims (21)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161541697P | 2011-09-30 | 2011-09-30 | |
US61/541,697 | 2011-09-30 | ||
PCT/US2012/057937 WO2013049582A2 (en) | 2011-09-30 | 2012-09-28 | Steering control unit and electro-hydraulic steering load sense control |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104144843A CN104144843A (zh) | 2014-11-12 |
CN104144843B true CN104144843B (zh) | 2016-08-24 |
Family
ID=47074888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201280047981.4A Active CN104144843B (zh) | 2011-09-30 | 2012-09-28 | 转向控制单元以及电液转向负载敏感控制 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9200645B2 (zh) |
EP (1) | EP2760726B1 (zh) |
CN (1) | CN104144843B (zh) |
WO (1) | WO2013049582A2 (zh) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140039753A1 (en) * | 2010-12-23 | 2014-02-06 | Leica Geosystems Ag | Method and system for the determination of a steering angle |
GB2516447B (en) * | 2013-07-22 | 2016-06-15 | Jc Bamford Excavators Ltd | A Steering Arrangement |
BR112016020595B1 (pt) * | 2014-03-06 | 2023-04-04 | White Drive Motors And Steering Gmbh | Sistema de direção para um veículo e arranjo de válvula de comutação de reação de carga para um circuito de direção hidrostático |
WO2015175882A1 (en) * | 2014-05-15 | 2015-11-19 | Eaton Corporation | Method for operating a parallel steering control system |
US9421999B2 (en) | 2014-08-08 | 2016-08-23 | Deere & Company | Charge pressure circuit arrangement for steering control for a vehicle |
US10611403B2 (en) | 2015-06-23 | 2020-04-07 | Eaton Intelligent Power Limited | Steering device for construction/transport/farm machine |
DE102016104090B3 (de) * | 2016-03-07 | 2017-06-14 | Hydraulik Nord Fluidtechnik Gmbh & Co. Kg | Hydraulische Lenkeinrichtung mit erweiterter Fehlervermeidung |
DE102016106793B4 (de) | 2016-04-13 | 2021-06-10 | Danfoss Power Solutions Aps | Hydraulische Lenkung |
US10633015B2 (en) * | 2017-04-14 | 2020-04-28 | Deere & Company | Hydraulic steering system |
US11459220B2 (en) | 2017-11-30 | 2022-10-04 | Danfoss Power Solution II Technology A/S | Hydraulic system with load sense and methods thereof |
CN108909832B (zh) * | 2018-08-15 | 2021-11-09 | 广西柳工机械股份有限公司 | 转向液压系统及装载机 |
DE102018125053B4 (de) * | 2018-10-10 | 2022-02-17 | Danfoss Power Solutions Aps | Hydraulische Lenkanordnung |
US20220001915A1 (en) | 2018-10-17 | 2022-01-06 | Fema Corporation Of Michigan | Hydraulic Parallel Work Systems |
CN109131547B (zh) * | 2018-10-29 | 2020-09-18 | 北京航天发射技术研究所 | 一种集成式电液转向作动单元及控制方法 |
US10808733B2 (en) * | 2019-03-05 | 2020-10-20 | Deere & Company | Open center to open center load sense conversion valve and hydraulic systems therewith |
US11377144B2 (en) | 2019-06-13 | 2022-07-05 | Cnh Industrial America Llc | Quick response steering system |
WO2021007424A1 (en) * | 2019-07-10 | 2021-01-14 | Fema Corporation Of Michigan | Steering system with switchable load reaction valve |
US11473693B2 (en) | 2020-06-26 | 2022-10-18 | Fema Corporation Of Michigan | Proportional hydraulic two-stage valve |
US11926992B2 (en) | 2020-07-06 | 2024-03-12 | Deere & Company | Pilot neutralizing system |
US11591017B2 (en) | 2020-07-06 | 2023-02-28 | Deere & Company | Pilot neutralizing system |
EP4371856A1 (en) * | 2022-11-18 | 2024-05-22 | Ognibene Power S.P.A. | Steering apparatus with steering valve |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1201924A (zh) * | 1997-06-06 | 1998-12-16 | 尹顿公司 | 具有瞬时接通流量放大作用的动态负载信号流体控制器 |
CN1206382A (zh) * | 1995-03-29 | 1999-01-27 | 丹福斯有限公司 | 液压控制装置 |
CN1208383A (zh) * | 1995-12-12 | 1999-02-17 | 丹福斯有限公司 | 车辆的液压转向装置及转向方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7610988B2 (en) * | 2004-02-27 | 2009-11-03 | Sauer-Danfoss Aps | Hydraulic steering |
DE102007053024B4 (de) | 2007-11-05 | 2010-03-18 | Sauer-Danfoss Aps | Hydraulische Lenkung |
US7984785B2 (en) * | 2008-02-28 | 2011-07-26 | Eaton Corporation | Control valve assembly for electro-hydraulic steering system |
-
2012
- 2012-09-28 CN CN201280047981.4A patent/CN104144843B/zh active Active
- 2012-09-28 EP EP12778171.4A patent/EP2760726B1/en active Active
- 2012-09-28 US US13/630,386 patent/US9200645B2/en active Active
- 2012-09-28 WO PCT/US2012/057937 patent/WO2013049582A2/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1206382A (zh) * | 1995-03-29 | 1999-01-27 | 丹福斯有限公司 | 液压控制装置 |
CN1208383A (zh) * | 1995-12-12 | 1999-02-17 | 丹福斯有限公司 | 车辆的液压转向装置及转向方法 |
CN1201924A (zh) * | 1997-06-06 | 1998-12-16 | 尹顿公司 | 具有瞬时接通流量放大作用的动态负载信号流体控制器 |
Also Published As
Publication number | Publication date |
---|---|
EP2760726A2 (en) | 2014-08-06 |
WO2013049582A3 (en) | 2014-05-30 |
CN104144843A (zh) | 2014-11-12 |
US20130087209A1 (en) | 2013-04-11 |
EP2760726B1 (en) | 2015-11-25 |
US9200645B2 (en) | 2015-12-01 |
WO2013049582A2 (en) | 2013-04-04 |
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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 | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190628 Address after: Dublin, Ireland Patentee after: Eaton Intelligent Power Co.,Ltd. Address before: Ohio, USA Patentee before: Eaton Corp. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220512 Address after: German Pal Sim Patentee after: White drive motor and steering Co.,Ltd. Address before: Denmark nordburg Patentee before: Danfoss power system II Technology Co.,Ltd. Effective date of registration: 20220512 Address after: Denmark nordburg Patentee after: Danfoss power system II Technology Co.,Ltd. Address before: Irish Dublin Patentee before: Eaton Intelligent Power Co.,Ltd. |
|
TR01 | Transfer of patent right |