KR900001755B1 - 유압 건설기계의 제어 시스템 - Google Patents

유압 건설기계의 제어 시스템 Download PDF

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Publication number
KR900001755B1
KR900001755B1 KR1019860011369A KR860011369A KR900001755B1 KR 900001755 B1 KR900001755 B1 KR 900001755B1 KR 1019860011369 A KR1019860011369 A KR 1019860011369A KR 860011369 A KR860011369 A KR 860011369A KR 900001755 B1 KR900001755 B1 KR 900001755B1
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KR
South Korea
Prior art keywords
maximum
rotation speed
control
extrusion volume
maximum value
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
Application number
KR1019860011369A
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English (en)
Korean (ko)
Other versions
KR870006320A (ko
Inventor
아끼라 다쓰미
노부야 오까베
미쯔오 기하라
세이지 다무라
Original Assignee
히다찌 겡끼 가부시끼가이샤
니시모도 후미히라
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Application filed by 히다찌 겡끼 가부시끼가이샤, 니시모도 후미히라 filed Critical 히다찌 겡끼 가부시끼가이샤
Publication of KR870006320A publication Critical patent/KR870006320A/ko
Application granted granted Critical
Publication of KR900001755B1 publication Critical patent/KR900001755B1/ko
Expired legal-status Critical Current

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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
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Operation Control Of Excavators (AREA)
  • Safety Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
KR1019860011369A 1985-09-06 1986-12-27 유압 건설기계의 제어 시스템 Expired KR900001755B1 (ko)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP1985135597U JPH032722Y2 (enrdf_load_stackoverflow) 1985-09-06 1985-09-06
JP135597 1985-09-06
JP298516 1985-12-28
JP298518 1985-12-28
JP298517 1985-12-28
JP64577 1986-03-22
JP64578 1986-03-22

Publications (2)

Publication Number Publication Date
KR870006320A KR870006320A (ko) 1987-07-10
KR900001755B1 true KR900001755B1 (ko) 1990-03-19

Family

ID=15155538

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860011369A Expired KR900001755B1 (ko) 1985-09-06 1986-12-27 유압 건설기계의 제어 시스템

Country Status (2)

Country Link
JP (1) JPH032722Y2 (enrdf_load_stackoverflow)
KR (1) KR900001755B1 (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH076521B2 (ja) * 1987-06-30 1995-01-30 日立建機株式会社 ロ−ドセンシング油圧駆動回路の制御装置
JPH0747602Y2 (ja) * 1988-05-09 1995-11-01 日立建機株式会社 方向切換弁駆動油圧回路
CN102616687B (zh) * 2012-03-28 2013-07-24 中联重科股份有限公司 可回转工程机械回转恒功率控制方法、系统及工程机械
JP5848721B2 (ja) 2013-03-21 2016-01-27 川崎重工業株式会社 緩衝弁
JP7246297B2 (ja) * 2019-12-16 2023-03-27 日立建機株式会社 建設機械

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5634161U (enrdf_load_stackoverflow) * 1979-08-24 1981-04-03

Also Published As

Publication number Publication date
JPH032722Y2 (enrdf_load_stackoverflow) 1991-01-24
KR870006320A (ko) 1987-07-10
JPS6244105U (enrdf_load_stackoverflow) 1987-03-17

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