JP6642704B2 - 液圧ユニット - Google Patents
液圧ユニット Download PDFInfo
- Publication number
- JP6642704B2 JP6642704B2 JP2018516370A JP2018516370A JP6642704B2 JP 6642704 B2 JP6642704 B2 JP 6642704B2 JP 2018516370 A JP2018516370 A JP 2018516370A JP 2018516370 A JP2018516370 A JP 2018516370A JP 6642704 B2 JP6642704 B2 JP 6642704B2
- Authority
- JP
- Japan
- Prior art keywords
- tank
- manifold
- hydraulic
- return pipe
- suction strainer
- 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
Links
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/22—Hydraulic devices or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/20—Filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/22—Arrangements for enabling ready assembly or disassembly
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- 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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/26—Supply reservoir or sump assemblies
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- 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
- F15B11/003—Systems with load-holding valves
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
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- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20507—Type of prime mover
- F15B2211/20515—Electric motor
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- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20538—Type of pump constant capacity
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30505—Non-return valves, i.e. check valves
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- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
- F15B2211/31523—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source and an output member
- F15B2211/31529—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source and an output member having a single pressure source and a single output member
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40576—Assemblies of multiple valves
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/41—Flow control characterised by the positions of the valve element
- F15B2211/411—Flow control characterised by the positions of the valve element the positions being discrete
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
- F15B2211/41581—Flow control characterised by the connections of the flow control means in the circuit being connected to an output member and a return line
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Geology (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Fluid-Pressure Circuits (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Details Of Reciprocating Pumps (AREA)
Description
2…マニホルド
3…タンク
4…液圧ポンプ
5…サクションストレーナ
5a…基端部
5b…先端部
6…リターンパイプ
6a…基端部
6b…先端部
Claims (2)
- 液圧回路を形成するマニホルドと、このマニホルドに接合されたタンクと、このタンク内の作動液を吸引してマニホルドに向けて供給する液圧ポンプと、この液圧ポンプに基端部が嵌め込まれるサクションストレーナとを備え、前記サクションストレーナが最大限に下降してその先端部が前記タンクに当接した状態においても該サクションストレーナの基端部が前記液圧ポンプから離間しないように該サクションストレーナの長手寸法を設定しているとともに、該サクションストレーナの先端部に前記当接状態においても作動液をタンク内から導入可能な開口を有する液圧ユニット。
- 液圧回路を形成するマニホルドと、このマニホルドに接合されたタンクと、前記マニホルドに基端部が嵌め込まれるリターンパイプとを備え、前記リターンパイプが最大限に下降してその先端部が前記タンクに当接した状態においても該リターンパイプの基端部が前記マニホルドから離間しないように該リターンパイプの長手寸法を設定しているとともに、該リターンパイプの先端部に前記当接状態においても作動液を流通させることが可能な開口を有し、作動液が前記リターンパイプの先端部の開口からタンク内に導かれる液圧ユニット。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016096126 | 2016-05-12 | ||
JP2016096126 | 2016-05-12 | ||
PCT/JP2017/010459 WO2017195462A1 (ja) | 2016-05-12 | 2017-03-15 | 液圧ユニット |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2017195462A1 JPWO2017195462A1 (ja) | 2018-12-06 |
JP6642704B2 true JP6642704B2 (ja) | 2020-02-12 |
Family
ID=60267777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018516370A Active JP6642704B2 (ja) | 2016-05-12 | 2017-03-15 | 液圧ユニット |
Country Status (4)
Country | Link |
---|---|
US (1) | US10807850B2 (ja) |
JP (1) | JP6642704B2 (ja) |
CN (1) | CN109072948B (ja) |
WO (1) | WO2017195462A1 (ja) |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2121534A (en) * | 1936-07-02 | 1938-06-21 | Westinghouse Air Brake Co | Fluid compressor |
US2364709A (en) * | 1943-06-24 | 1944-12-12 | Edward M Greer | Portable hydraulic test stand for aircraft |
US3553965A (en) * | 1968-11-15 | 1971-01-12 | M & J Valve Co | Hydraulic valve operating system and apparatus |
GB1590985A (en) * | 1977-11-30 | 1981-06-10 | Bredon Hydraulics | Hydraulic power packs |
JPS56148101A (en) | 1980-04-15 | 1981-11-17 | Toshiba Corp | Control equipment of rolling stock car |
JPS6128481Y2 (ja) * | 1981-03-30 | 1986-08-23 | ||
US4462764A (en) * | 1981-11-12 | 1984-07-31 | Zandt Hillard C Van | Hydraulic long stroke pump |
JPS6128481A (ja) | 1984-07-18 | 1986-02-08 | Mitsui Eng & Shipbuild Co Ltd | 大型構造物の内部処理方法 |
US4851703A (en) * | 1988-04-20 | 1989-07-25 | Means William A | Electro/hydraulic power pack |
JPH078160A (ja) | 1993-06-28 | 1995-01-13 | Morinaga & Co Ltd | ケーキ用プレミックス |
JPH078160U (ja) * | 1993-07-09 | 1995-02-03 | 坂本工業株式会社 | 車両用タンク |
JP2872922B2 (ja) | 1994-12-09 | 1999-03-24 | 太陽鉄工株式会社 | 油圧ユニット |
JP2006046016A (ja) * | 2004-08-09 | 2006-02-16 | Hitachi Constr Mach Co Ltd | 油圧ショベルのタンク構造 |
CN201071843Y (zh) * | 2007-08-10 | 2008-06-11 | 安徽合力股份有限公司 | 新型叉车液压油箱 |
US7788920B2 (en) * | 2007-12-20 | 2010-09-07 | Keast Larry G | Hydraulic pump with control system |
DE102010004650A1 (de) * | 2010-01-13 | 2011-07-14 | Jungheinrich AG, 22047 | Hydraulikaggregat für Flurförderzeuge |
CN102121547B (zh) * | 2010-12-23 | 2013-01-16 | 拉卡萨安吉拉股份有限公司 | 用于管道接头的衬套和采用该衬套的管道接头 |
CN102400964A (zh) * | 2011-11-11 | 2012-04-04 | 无锡市莱达热工工程有限公司 | 液压油箱总成 |
CN203051259U (zh) * | 2012-06-30 | 2013-07-10 | 瑞安市阀门一厂 | 全封闭液压油箱 |
CN103307376B (zh) * | 2013-05-31 | 2016-01-27 | 山东沃亚森曼机械科技有限公司 | 一种具有双插头的管道连接装置及其密封连接方法 |
JP6287640B2 (ja) * | 2014-07-01 | 2018-03-07 | 株式会社豊田自動織機 | タンク装置 |
-
2017
- 2017-03-15 JP JP2018516370A patent/JP6642704B2/ja active Active
- 2017-03-15 US US16/300,064 patent/US10807850B2/en active Active
- 2017-03-15 WO PCT/JP2017/010459 patent/WO2017195462A1/ja active Application Filing
- 2017-03-15 CN CN201780028761.XA patent/CN109072948B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN109072948B (zh) | 2020-11-24 |
CN109072948A (zh) | 2018-12-21 |
US10807850B2 (en) | 2020-10-20 |
WO2017195462A1 (ja) | 2017-11-16 |
US20190202675A1 (en) | 2019-07-04 |
JPWO2017195462A1 (ja) | 2018-12-06 |
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