JPH0552377B2 - - Google Patents

Info

Publication number
JPH0552377B2
JPH0552377B2 JP23989785A JP23989785A JPH0552377B2 JP H0552377 B2 JPH0552377 B2 JP H0552377B2 JP 23989785 A JP23989785 A JP 23989785A JP 23989785 A JP23989785 A JP 23989785A JP H0552377 B2 JPH0552377 B2 JP H0552377B2
Authority
JP
Japan
Prior art keywords
maximum
hydraulic
engine
pump
rotation speed
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.)
Expired - Fee Related
Application number
JP23989785A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6299521A (ja
Inventor
Akira Tatsumi
Shinya Okabe
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co Ltd
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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP23989785A priority Critical patent/JPS6299521A/ja
Publication of JPS6299521A publication Critical patent/JPS6299521A/ja
Publication of JPH0552377B2 publication Critical patent/JPH0552377B2/ja
Granted 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
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
    • E02F9/2235—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps 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
    • E02F9/2296—Systems with a variable displacement pump

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)
JP23989785A 1985-10-26 1985-10-26 ホイ−ル式油圧シヨベルの走行制御装置 Granted JPS6299521A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23989785A JPS6299521A (ja) 1985-10-26 1985-10-26 ホイ−ル式油圧シヨベルの走行制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23989785A JPS6299521A (ja) 1985-10-26 1985-10-26 ホイ−ル式油圧シヨベルの走行制御装置

Publications (2)

Publication Number Publication Date
JPS6299521A JPS6299521A (ja) 1987-05-09
JPH0552377B2 true JPH0552377B2 (cs) 1993-08-05

Family

ID=17051482

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23989785A Granted JPS6299521A (ja) 1985-10-26 1985-10-26 ホイ−ル式油圧シヨベルの走行制御装置

Country Status (1)

Country Link
JP (1) JPS6299521A (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015203431A (ja) * 2014-04-11 2015-11-16 日立建機株式会社 建設機械のポンプ制御装置

Also Published As

Publication number Publication date
JPS6299521A (ja) 1987-05-09

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees