JPS6244105U - - Google Patents

Info

Publication number
JPS6244105U
JPS6244105U JP1985135597U JP13559785U JPS6244105U JP S6244105 U JPS6244105 U JP S6244105U JP 1985135597 U JP1985135597 U JP 1985135597U JP 13559785 U JP13559785 U JP 13559785U JP S6244105 U JPS6244105 U JP S6244105U
Authority
JP
Japan
Prior art keywords
valve
control valve
pilot
directional
directional control
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.)
Granted
Application number
JP1985135597U
Other languages
English (en)
Other versions
JPH032722Y2 (ja
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 filed Critical
Priority to JP1985135597U priority Critical patent/JPH032722Y2/ja
Priority to KR1019860007275A priority patent/KR920001908B1/ko
Priority to DE8686112328T priority patent/DE3678090D1/de
Priority to EP86112328A priority patent/EP0218901B1/en
Priority to US06/904,119 priority patent/US4753158A/en
Priority to CN86106036.9A priority patent/CN1007447B/zh
Priority to CN 89105618 priority patent/CN1011733B/zh
Priority to IN669/CAL/86A priority patent/IN165707B/en
Priority to KR1019860011369A priority patent/KR900001755B1/ko
Publication of JPS6244105U publication Critical patent/JPS6244105U/ja
Application granted granted Critical
Publication of JPH032722Y2 publication Critical patent/JPH032722Y2/ja
Expired legal-status Critical Current

Links

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

Landscapes

  • 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)

Description

【図面の簡単な説明】
第１図は本考案の実施例に係る走行モータの方
向切換弁駆動油圧回路の回路図、第２図は第１図
に示す圧力補償付流量制御弁の断面図、第３図ａ
，ｂ，ｃは第１図に示す回路の動作を説明するタ
イムチヤート、第４図は本考案の他の実施例に係
る走行モータの方向切換弁駆動回路に使用される
流量制御弁の断面図、第５図および第６図はそれ
ぞれ油圧シヨベルの概略構成の側面図および平面
図、第７図は従来の走行モータの方向切換弁駆動
回路の回路図、第８図ａ，ｂ，ｃは第７図に示す
回路の動作を説明するタイムチヤートである。 ５……走行モータ、１５……油圧モータ、１６
……方向切換弁、１６ａ，１６ｂ……パイロツト
室、２３……操作レバー、２４……パイロツト弁
、３５ａ，３５ｂ……圧力補償付流量制御弁、３
６ａ１，３６ａ２，３６ｂ１，３６ｂ２……パイ
ロツト管路、５０……流量制御弁。

Claims (1)

  1. 【実用新案登録請求の範囲】 １ 油圧アクチユエータの駆動を制御する方向切
    換弁と、この方向切換弁を操作するパイロツト弁
    と、このパイロツト弁と前記方向切換弁とを接続
    するパイロツト管路とを備えた方向切換弁駆動油
    圧回路において、前記パイロツト弁から前記方向
    切換弁へは自由に圧油を通過せしめ、前記方向切
    換弁から前記パイロツト弁へは圧油の流れを制限
    する流量制御弁を前記パイロツト管路に設けたこ
    とを特徴とする方向切換弁駆動油圧回路。 ２ 実用新案登録請求の範囲第１項において、前
    記流量制御弁は、前記方向切換弁および前記パイ
    ロツト弁を接続する両側の前記パイロツト管路に
    設けられていることを特徴とする方向切換弁駆動
    油圧回路。 ３ 実用新案登録請求の範囲第１項において、前
    記流量制御弁は、圧力補償付流量制御弁であるこ
    とを特徴とする方向切換弁駆動油圧回路。
JP1985135597U 1985-09-06 1985-09-06 Expired JPH032722Y2 (ja)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP1985135597U JPH032722Y2 (ja) 1985-09-06 1985-09-06
KR1019860007275A KR920001908B1 (ko) 1985-09-06 1986-08-30 방향전환밸브 조작용 파이롯 유압회로장치
EP86112328A EP0218901B1 (en) 1985-09-06 1986-09-05 Pilot hydraulic system for operating directional control valve
US06/904,119 US4753158A (en) 1985-09-06 1986-09-05 Pilot hydraulic system for operating directional control valve
DE8686112328T DE3678090D1 (de) 1985-09-06 1986-09-05 Hydraulisches vorsteuersystem fuer die bedienung von wegeventilen.
CN86106036.9A CN1007447B (zh) 1985-09-06 1986-09-06 操纵换向阀用的液压操纵回路装置
CN 89105618 CN1011733B (zh) 1985-09-06 1986-09-06 具有压力补偿功能的流量控制阀
IN669/CAL/86A IN165707B (ja) 1985-09-06 1986-09-08
KR1019860011369A KR900001755B1 (ko) 1985-09-06 1986-12-27 유압 건설기계의 제어 시스템

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985135597U JPH032722Y2 (ja) 1985-09-06 1985-09-06

Publications (2)

Publication Number Publication Date
JPS6244105U true JPS6244105U (ja) 1987-03-17
JPH032722Y2 JPH032722Y2 (ja) 1991-01-24

Family

ID=15155538

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985135597U Expired JPH032722Y2 (ja) 1985-09-06 1985-09-06

Country Status (2)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS646501A (en) * 1987-06-30 1989-01-11 Hitachi Construction Machinery Control apparatus for load sensing hydraulic drive circuit
JPH01163201U (ja) * 1988-05-09 1989-11-14
CN102616687A (zh) * 2012-03-28 2012-08-01 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
WO2014147987A1 (ja) 2013-03-21 2014-09-25 川崎重工業株式会社 緩衝弁

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7246297B2 (ja) * 2019-12-16 2023-03-27 日立建機株式会社 建設機械

Citations (1)

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

Patent Citations (1)

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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS646501A (en) * 1987-06-30 1989-01-11 Hitachi Construction Machinery Control apparatus for load sensing hydraulic drive circuit
JPH01163201U (ja) * 1988-05-09 1989-11-14
CN102616687A (zh) * 2012-03-28 2012-08-01 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
WO2014147987A1 (ja) 2013-03-21 2014-09-25 川崎重工業株式会社 緩衝弁
JP2014181802A (ja) * 2013-03-21 2014-09-29 Kawasaki Heavy Ind Ltd 緩衝弁
CN104508344A (zh) * 2013-03-21 2015-04-08 川崎重工业株式会社 缓冲阀

Also Published As

Publication number Publication date
JPH032722Y2 (ja) 1991-01-24
KR870006320A (ko) 1987-07-10
KR900001755B1 (ko) 1990-03-19

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