JP7177805B2 - 多段式流体圧シリンダ - Google Patents

多段式流体圧シリンダ Download PDF

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Publication number
JP7177805B2
JP7177805B2 JP2020141116A JP2020141116A JP7177805B2 JP 7177805 B2 JP7177805 B2 JP 7177805B2 JP 2020141116 A JP2020141116 A JP 2020141116A JP 2020141116 A JP2020141116 A JP 2020141116A JP 7177805 B2 JP7177805 B2 JP 7177805B2
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JP
Japan
Prior art keywords
rod
side chamber
supply
rod assembly
pressure
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
JP2020141116A
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English (en)
Japanese (ja)
Other versions
JP2022036748A5 (https=
JP2022036748A (ja
Inventor
泰志 船戸
夏樹 谷川
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.)
KYB Corp
Original Assignee
KYB 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 KYB Corp filed Critical KYB Corp
Priority to JP2020141116A priority Critical patent/JP7177805B2/ja
Priority to GB2303134.7A priority patent/GB2613494B/en
Priority to CN202180052327.1A priority patent/CN115943261A/zh
Priority to PCT/JP2021/029752 priority patent/WO2022044833A1/ja
Publication of JP2022036748A publication Critical patent/JP2022036748A/ja
Publication of JP2022036748A5 publication Critical patent/JP2022036748A5/ja
Application granted granted Critical
Publication of JP7177805B2 publication Critical patent/JP7177805B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/16—Characterised by the construction of the motor unit of the straight-cylinder type of the telescopic type
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/204—Control means for piston speed or actuating force without external control, e.g. control valve inside the piston
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1447—Pistons; Piston to piston rod assemblies
    • 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
    • F15B21/047—Preventing foaming, churning or cavitation
    • 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
    • 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7057—Linear output members being of the telescopic type
    • 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
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/86—Control during or prevention of abnormal conditions
    • F15B2211/8609—Control during or prevention of abnormal conditions the abnormal condition being cavitation
    • 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
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/86—Control during or prevention of abnormal conditions
    • F15B2211/8616—Control during or prevention of abnormal conditions the abnormal condition being noise or vibration

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
JP2020141116A 2020-08-24 2020-08-24 多段式流体圧シリンダ Active JP7177805B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2020141116A JP7177805B2 (ja) 2020-08-24 2020-08-24 多段式流体圧シリンダ
GB2303134.7A GB2613494B (en) 2020-08-24 2021-08-12 Multistage fluid pressure cylinder
CN202180052327.1A CN115943261A (zh) 2020-08-24 2021-08-12 多级式流体压力缸
PCT/JP2021/029752 WO2022044833A1 (ja) 2020-08-24 2021-08-12 多段式流体圧シリンダ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020141116A JP7177805B2 (ja) 2020-08-24 2020-08-24 多段式流体圧シリンダ

Publications (3)

Publication Number Publication Date
JP2022036748A JP2022036748A (ja) 2022-03-08
JP2022036748A5 JP2022036748A5 (https=) 2022-09-09
JP7177805B2 true JP7177805B2 (ja) 2022-11-24

Family

ID=80353160

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020141116A Active JP7177805B2 (ja) 2020-08-24 2020-08-24 多段式流体圧シリンダ

Country Status (4)

Country Link
JP (1) JP7177805B2 (https=)
CN (1) CN115943261A (https=)
GB (1) GB2613494B (https=)
WO (1) WO2022044833A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7842594B2 (ja) * 2022-03-18 2026-04-08 カヤバ株式会社 流体圧シリンダ
CN115059661B (zh) * 2022-07-02 2024-05-28 安徽工程大学 一种带有行程锁止功能的多级伸出式液压缸结构

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016148361A (ja) 2015-02-10 2016-08-18 Ｋｙｂ株式会社 流体圧シリンダ
JP2017172681A (ja) 2016-03-23 2017-09-28 Ｋｙｂ株式会社 多段式流体圧シリンダ

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0799207B2 (ja) * 1989-08-16 1995-10-25 昭一 岩本 一方向性軸シール装置
JP2952291B2 (ja) * 1990-11-09 1999-09-20 株式会社マルニ テレスコープ形エアシリンダ
JPH09277814A (ja) * 1996-04-15 1997-10-28 Kayaba Ind Co Ltd 車高調整装置
JP4644387B2 (ja) * 2001-06-12 2011-03-02 カヤバ工業株式会社 軸受構造
CN201851425U (zh) * 2010-09-16 2011-06-01 湖南中联重科专用车有限责任公司 两级伸缩油缸、液压控制系统和起重机吊臂的伸缩机构
JP5610971B2 (ja) * 2010-10-19 2014-10-22 株式会社ショーワ 船舶推進機用トリム・チルト装置
JP6082546B2 (ja) * 2012-08-24 2017-02-15 Ｋｙｂ株式会社 液圧シリンダ
CN105298981B (zh) * 2015-10-12 2018-05-01 江苏恒立液压股份有限公司 安全可靠井架举升多级缸

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016148361A (ja) 2015-02-10 2016-08-18 Ｋｙｂ株式会社 流体圧シリンダ
JP2017172681A (ja) 2016-03-23 2017-09-28 Ｋｙｂ株式会社 多段式流体圧シリンダ

Also Published As

Publication number Publication date
WO2022044833A1 (ja) 2022-03-03
CN115943261A (zh) 2023-04-07
JP2022036748A (ja) 2022-03-08
GB2613494A (en) 2023-06-07
GB202303134D0 (en) 2023-04-19
GB2613494B (en) 2024-03-13

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