JP7492816B2 - 圧力調整弁および建設機械 - Google Patents

圧力調整弁および建設機械 Download PDF

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Publication number
JP7492816B2
JP7492816B2 JP2019160891A JP2019160891A JP7492816B2 JP 7492816 B2 JP7492816 B2 JP 7492816B2 JP 2019160891 A JP2019160891 A JP 2019160891A JP 2019160891 A JP2019160891 A JP 2019160891A JP 7492816 B2 JP7492816 B2 JP 7492816B2
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JP
Japan
Prior art keywords
spool
drive spool
drive
control
axial direction
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.)
Active
Application number
JP2019160891A
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English (en)
Japanese (ja)
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JP2021038811A (ja
Inventor
仁 岩崎
敬介 後藤
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.)
Nabtesco Corp
Original Assignee
Nabtesco Corp
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 Nabtesco Corp filed Critical Nabtesco Corp
Priority to JP2019160891A priority Critical patent/JP7492816B2/ja
Priority to CN202010772403.3A priority patent/CN112443523A/zh
Priority to KR1020200097489A priority patent/KR20210028566A/ko
Publication of JP2021038811A publication Critical patent/JP2021038811A/ja
Application granted granted Critical
Publication of JP7492816B2 publication Critical patent/JP7492816B2/ja
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • 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
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2267—Valves or distributors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
    • F16K11/07—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
    • F16K11/0716—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides with fluid passages through the valve member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
    • F16K31/1221—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being spring-loaded

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Driven Valves (AREA)
  • Magnetically Actuated Valves (AREA)
  • Multiple-Way Valves (AREA)
JP2019160891A 2019-09-04 2019-09-04 圧力調整弁および建設機械 Active JP7492816B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2019160891A JP7492816B2 (ja) 2019-09-04 2019-09-04 圧力調整弁および建設機械
CN202010772403.3A CN112443523A (zh) 2019-09-04 2020-08-04 压力调整阀和建筑机械
KR1020200097489A KR20210028566A (ko) 2019-09-04 2020-08-04 압력 조정 밸브 및 건설 기계

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019160891A JP7492816B2 (ja) 2019-09-04 2019-09-04 圧力調整弁および建設機械

Publications (2)

Publication Number Publication Date
JP2021038811A JP2021038811A (ja) 2021-03-11
JP7492816B2 true JP7492816B2 (ja) 2024-05-30

Family

ID=74733480

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019160891A Active JP7492816B2 (ja) 2019-09-04 2019-09-04 圧力調整弁および建設機械

Country Status (3)

Country Link
JP (1) JP7492816B2 (ko)
KR (1) KR20210028566A (ko)
CN (1) CN112443523A (ko)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001003906A (ja) 1999-06-21 2001-01-09 Kayaba Ind Co Ltd 油圧制御装置
US20060130914A1 (en) 2004-12-16 2006-06-22 Husco International, Inc. Position feedback pilot valve actuator for a spool control valve
US20110232791A1 (en) 2010-03-24 2011-09-29 Bengea Sorin C Proportional valve employing simultaneous and hybrid actuation
JP2017044276A (ja) 2015-08-27 2017-03-02 憲平 山路 電磁比例制御弁システム
US20170130857A1 (en) 2015-11-06 2017-05-11 Caterpillar Inc. Electrohydraulic valve having dual-action right-angle pilot actuator
US20170130745A1 (en) 2015-11-06 2017-05-11 Caterpillar Inc. Valve having right-angle proportional and directional pilot actuators

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3875849A (en) * 1972-09-11 1975-04-08 Applied Power Inc Electro-hydraulic proportional servo actuator
JPS52144574A (en) * 1976-05-27 1977-12-01 Toshiba Mach Co Ltd Electro magnet proportional control valve
JPS5346025U (ko) * 1976-09-25 1978-04-19
US4201116A (en) * 1977-07-11 1980-05-06 The Cessna Aircraft Company Electro-hydraulic proportional control servo valve
JPS56119073U (ko) * 1980-02-14 1981-09-10
JPH0262405A (ja) * 1988-08-26 1990-03-02 Diesel Kiki Co Ltd 油圧制御装置
JPH10299711A (ja) * 1997-04-25 1998-11-10 Hitachi Constr Mach Co Ltd 流量方向切換弁
US6637461B2 (en) 2002-03-08 2003-10-28 Husco International, Inc. Electrically operated hydraulic actuator with force feedback position sensing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001003906A (ja) 1999-06-21 2001-01-09 Kayaba Ind Co Ltd 油圧制御装置
US20060130914A1 (en) 2004-12-16 2006-06-22 Husco International, Inc. Position feedback pilot valve actuator for a spool control valve
US20110232791A1 (en) 2010-03-24 2011-09-29 Bengea Sorin C Proportional valve employing simultaneous and hybrid actuation
JP2017044276A (ja) 2015-08-27 2017-03-02 憲平 山路 電磁比例制御弁システム
US20170130857A1 (en) 2015-11-06 2017-05-11 Caterpillar Inc. Electrohydraulic valve having dual-action right-angle pilot actuator
US20170130745A1 (en) 2015-11-06 2017-05-11 Caterpillar Inc. Valve having right-angle proportional and directional pilot actuators

Also Published As

Publication number Publication date
CN112443523A (zh) 2021-03-05
JP2021038811A (ja) 2021-03-11
KR20210028566A (ko) 2021-03-12

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