CN107614894B - 作业机械 - Google Patents

作业机械 Download PDF

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Publication number
CN107614894B
CN107614894B CN201680031608.8A CN201680031608A CN107614894B CN 107614894 B CN107614894 B CN 107614894B CN 201680031608 A CN201680031608 A CN 201680031608A CN 107614894 B CN107614894 B CN 107614894B
Authority
CN
China
Prior art keywords
flow path
pressure
hydraulic
piston
valve
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
CN201680031608.8A
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English (en)
Chinese (zh)
Other versions
CN107614894A (zh
Inventor
清水自由理
斋藤哲平
平工贤二
秋山悠基
高桥宏政
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
Publication of CN107614894A publication Critical patent/CN107614894A/zh
Application granted granted Critical
Publication of CN107614894B publication Critical patent/CN107614894B/zh
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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
    • 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
    • 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
    • E02F9/2289—Closed circuit
    • 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
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • 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
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4078—Fluid exchange between hydrostatic circuits and external sources or consumers
    • F16H61/4104—Flushing, e.g. by using flushing valves or by connection to exhaust

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
CN201680031608.8A 2015-06-03 2016-02-25 作业机械 Active CN107614894B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2015112851A JP6476074B2 (ja) 2015-06-03 2015-06-03 作業機械
JP2015-112851 2015-06-03
PCT/JP2016/055723 WO2016194417A1 (ja) 2015-06-03 2016-02-25 作業機械

Publications (2)

Publication Number Publication Date
CN107614894A CN107614894A (zh) 2018-01-19
CN107614894B true CN107614894B (zh) 2020-06-16

Family

ID=57441198

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201680031608.8A Active CN107614894B (zh) 2015-06-03 2016-02-25 作业机械

Country Status (5)

Country Link
US (1) US10655740B2 (enExample)
EP (1) EP3306111B1 (enExample)
JP (1) JP6476074B2 (enExample)
CN (1) CN107614894B (enExample)
WO (1) WO2016194417A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6782272B2 (ja) * 2018-03-28 2020-11-11 日立建機株式会社 建設機械
DE102018208352A1 (de) * 2018-05-28 2019-11-28 Robert Bosch Gmbh Hydraulische Spülventilanordnung
JP7090567B2 (ja) * 2019-01-25 2022-06-24 日立建機株式会社 建設機械
JP7624856B2 (ja) * 2021-03-15 2025-01-31 本田技研工業株式会社 燃料供給システム

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0056230A1 (en) * 1981-01-10 1982-07-21 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system for single rod cylinder
JPS59208205A (ja) * 1983-05-11 1984-11-26 Hitachi Constr Mach Co Ltd フラツシング弁

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0511414Y2 (enExample) * 1986-04-17 1993-03-22
US6755214B2 (en) * 2001-08-03 2004-06-29 Ross Operating Value Company Solenoid valve for reduced energy consumption
DE10315512B4 (de) 2003-04-04 2006-04-13 Sauer-Danfoss (Neumünster) GmbH & Co OHG Hydraulischer Steuerschieber, Verwendung eines hydraulischen Steuerschiebers und hydraulischer Fahrzeugantrieb
US7111458B2 (en) 2003-07-11 2006-09-26 Sauer-Danfoss Inc. Electrical loop flushing system
US8857168B2 (en) * 2011-04-18 2014-10-14 Caterpillar Inc. Overrunning pump protection for flow-controlled actuators
KR102154663B1 (ko) * 2013-04-22 2020-09-11 파커-한니핀 코포레이션 전기 정유압 액추에이터 피스톤 속도 증가 방법
JP6203605B2 (ja) * 2013-11-07 2017-09-27 三菱重工業株式会社 スプールバルブ組立体、油圧機械及び発電装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0056230A1 (en) * 1981-01-10 1982-07-21 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system for single rod cylinder
JPS59208205A (ja) * 1983-05-11 1984-11-26 Hitachi Constr Mach Co Ltd フラツシング弁

Also Published As

Publication number Publication date
EP3306111A1 (en) 2018-04-11
US20180135764A1 (en) 2018-05-17
JP2016223601A (ja) 2016-12-28
WO2016194417A1 (ja) 2016-12-08
EP3306111B1 (en) 2021-05-05
CN107614894A (zh) 2018-01-19
US10655740B2 (en) 2020-05-19
EP3306111A4 (en) 2019-03-20
JP6476074B2 (ja) 2019-02-27

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