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GB2060209A - Hydraulic system - Google Patents

Hydraulic system Download PDF

Info

Publication number
GB2060209A
GB2060209A GB8026147A GB8026147A GB2060209A GB 2060209 A GB2060209 A GB 2060209A GB 8026147 A GB8026147 A GB 8026147A GB 8026147 A GB8026147 A GB 8026147A GB 2060209 A GB2060209 A GB 2060209A
Authority
GB
United Kingdom
Prior art keywords
pump
pressure
hydraulic
valve
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.)
Withdrawn
Application number
GB8026147A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Akermans Verkstad AB
Original Assignee
Akermans Verkstad AB
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Akermans Verkstad AB filed Critical Akermans Verkstad AB
Publication of GB2060209A publication Critical patent/GB2060209A/en
Withdrawn legal-status Critical Current

Links

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
    • E02F9/2278—Hydraulic circuits
    • E02F9/2296—Systems with a variable displacement pump
    • 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
    • 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
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/05—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed specially adapted to maintain constant speed, e.g. pressure-compensated, load-responsive
    • F15B11/055—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed specially adapted to maintain constant speed, e.g. pressure-compensated, load-responsive by adjusting the pump output or bypass
    • 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
    • F15B2211/2053—Type of pump
    • F15B2211/20546—Type of pump variable capacity
    • F15B2211/20553—Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate
    • 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
    • F15B2211/25—Pressure control functions
    • F15B2211/253—Pressure margin control, e.g. pump pressure in relation to load pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
GB8026147A 1979-08-30 1980-08-11 Hydraulic system Withdrawn GB2060209A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7907204 1979-08-30

Publications (1)

Publication Number Publication Date
GB2060209A true GB2060209A (en) 1981-04-29

Family

ID=20338716

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8026147A Withdrawn GB2060209A (en) 1979-08-30 1980-08-11 Hydraulic system

Country Status (2)

Country Link
DE (1) DE3030175A1 (de)
GB (1) GB2060209A (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8287054B2 (en) 2006-07-12 2012-10-16 Continental Teves Ag & Co. Ohg Electrohydraulic control system for the actuation of an actuator in a motor vehicle
CN102747950A (zh) * 2012-07-19 2012-10-24 山河智能装备股份有限公司 切削钻机关键凿岩动作单泵液压控制回路
CN102747948A (zh) * 2012-07-19 2012-10-24 山河智能装备股份有限公司 切削钻机关键凿岩动作双泵液压控制回路
CN103114989A (zh) * 2013-01-28 2013-05-22 上海朝田实业有限公司 一种用于节能液压泵站上的随动敏感泵
CN103557153A (zh) * 2013-11-20 2014-02-05 沈阳工业大学 轴向柱塞液压泵的电液比例排量调节机构

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3420990C2 (de) * 1984-06-06 1994-10-27 Bosch Gmbh Robert Hydraulikanlage
DE3608469A1 (de) * 1986-03-14 1987-10-01 Bosch Gmbh Robert Hydraulikanlage
DE3708492A1 (de) * 1987-03-16 1988-09-29 Rexroth Mannesmann Gmbh Regelvorrichtung fuer eine hydraulische anlage
DE3805287C2 (de) * 1988-02-19 1995-02-09 Rexroth Mannesmann Gmbh Ventilanordnung für mindestens einen von einer Pumpe mit veränderlichem Fördervolumen gespeisten hydraulischen Verbraucher
DE3844400C2 (de) * 1988-12-30 1993-12-02 Rexroth Mannesmann Gmbh Ventilanordnung für ein hydraulisches System
CN102465935B (zh) * 2010-11-11 2014-12-10 徐州重型机械有限公司 压力补偿阀及应用该阀的负载敏感液压系统、起重机
CN102927087A (zh) * 2012-11-16 2013-02-13 无锡汇虹机械制造有限公司 一种自适应负载压力的液压泵系统控制技术

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8287054B2 (en) 2006-07-12 2012-10-16 Continental Teves Ag & Co. Ohg Electrohydraulic control system for the actuation of an actuator in a motor vehicle
CN102747950A (zh) * 2012-07-19 2012-10-24 山河智能装备股份有限公司 切削钻机关键凿岩动作单泵液压控制回路
CN102747948A (zh) * 2012-07-19 2012-10-24 山河智能装备股份有限公司 切削钻机关键凿岩动作双泵液压控制回路
CN102747948B (zh) * 2012-07-19 2014-05-21 山河智能装备股份有限公司 切削钻机关键凿岩动作双泵液压控制回路
CN102747950B (zh) * 2012-07-19 2014-05-21 山河智能装备股份有限公司 切削钻机关键凿岩动作单泵液压控制回路
CN103114989A (zh) * 2013-01-28 2013-05-22 上海朝田实业有限公司 一种用于节能液压泵站上的随动敏感泵
CN103557153A (zh) * 2013-11-20 2014-02-05 沈阳工业大学 轴向柱塞液压泵的电液比例排量调节机构
CN103557153B (zh) * 2013-11-20 2016-01-20 沈阳工业大学 轴向柱塞液压泵的电液比例排量调节机构

Also Published As

Publication number Publication date
DE3030175A1 (de) 1981-03-12

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)