SE448762B - Hydraulisk drivanordning for konstruktionsmaskinerier, innefattande ett flertal slutna hydraulkretsar - Google Patents

Hydraulisk drivanordning for konstruktionsmaskinerier, innefattande ett flertal slutna hydraulkretsar

Info

Publication number
SE448762B
SE448762B SE8001459A SE8001459A SE448762B SE 448762 B SE448762 B SE 448762B SE 8001459 A SE8001459 A SE 8001459A SE 8001459 A SE8001459 A SE 8001459A SE 448762 B SE448762 B SE 448762B
Authority
SE
Sweden
Prior art keywords
pump
hydraulic
circuit
output
wobble plate
Prior art date
Application number
SE8001459A
Other languages
English (en)
Swedish (sv)
Other versions
SE8001459L (sv
Inventor
E Izumi
K Honma
K Abe
M Uno
K Nakajima
Original Assignee
Hitachi Construction Machinery
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
Priority claimed from JP2077679A external-priority patent/JPS55115606A/ja
Priority claimed from JP8021279A external-priority patent/JPS566901A/ja
Priority claimed from JP54134259A external-priority patent/JPS595166B2/ja
Application filed by Hitachi Construction Machinery filed Critical Hitachi Construction Machinery
Publication of SE8001459L publication Critical patent/SE8001459L/xx
Publication of SE448762B publication Critical patent/SE448762B/sv

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
    • E02F9/2217—Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
    • 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
    • E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
    • E02F9/2242—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance 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
    • E02F9/2278—Hydraulic circuits
    • E02F9/2292—Systems with two or more pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
SE8001459A 1979-02-26 1980-02-25 Hydraulisk drivanordning for konstruktionsmaskinerier, innefattande ett flertal slutna hydraulkretsar SE448762B (sv)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2077679A JPS55115606A (en) 1979-02-26 1979-02-26 Closed hydraulic circuit for controlling operation of pump
JP8021279A JPS566901A (en) 1979-06-27 1979-06-27 Hydraulic circuit for construction equipment
JP54134259A JPS595166B2 (ja) 1979-10-19 1979-10-19 ポンプ制御油圧回路の制御方法

Publications (2)

Publication Number Publication Date
SE8001459L SE8001459L (sv) 1980-08-27
SE448762B true SE448762B (sv) 1987-03-16

Family

ID=27283160

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8001459A SE448762B (sv) 1979-02-26 1980-02-25 Hydraulisk drivanordning for konstruktionsmaskinerier, innefattande ett flertal slutna hydraulkretsar

Country Status (4)

Country Link
DE (1) DE3007011A1 (US06312121-20011106-C00033.png)
FR (1) FR2449751A1 (US06312121-20011106-C00033.png)
GB (1) GB2045360B (US06312121-20011106-C00033.png)
SE (1) SE448762B (US06312121-20011106-C00033.png)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57197336A (en) * 1981-05-29 1982-12-03 Komatsu Ltd Oil-pressure circuit for turning excavator
JPS5817202A (ja) * 1981-07-24 1983-02-01 Hitachi Constr Mach Co Ltd 油圧回路の制御方法
JPS5857504A (ja) * 1981-10-02 1983-04-05 Hitachi Constr Mach Co Ltd 油圧回路の制御方法
US4537029A (en) * 1982-09-23 1985-08-27 Vickers, Incorporated Power transmission
WO1988005937A1 (en) * 1987-01-30 1988-08-11 Kabushiki Kaisha Komatsu Seisakusho Operation controller
DE3704452A1 (de) * 1987-02-10 1988-08-18 Mannesmann Ag Hydraulikanlage fuer einen bagger
GB2250108B (en) * 1990-10-31 1995-02-08 Samsung Heavy Ind Control system for automatically controlling actuators of an excavator
JP5572586B2 (ja) 2011-05-19 2014-08-13 日立建機株式会社 作業機械の油圧駆動装置
JP5973979B2 (ja) 2013-11-21 2016-08-23 日立建機株式会社 作業機械の駆動装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2631530A1 (de) * 1976-07-14 1978-01-19 Weserhuette Ag Eisenwerk Steuerung von hydraulisch angetriebenen bagger- und auslegerkranen

Also Published As

Publication number Publication date
GB2045360B (en) 1982-12-08
FR2449751B1 (US06312121-20011106-C00033.png) 1985-04-12
GB2045360A (en) 1980-10-29
SE8001459L (sv) 1980-08-27
DE3007011C2 (US06312121-20011106-C00033.png) 1987-01-02
DE3007011A1 (de) 1981-01-15
FR2449751A1 (fr) 1980-09-19

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