DE112019000578B4 - Fluidleckage-erfassungsvorrichtung und hin- und herbewegende fluiddruckvorrichtung - Google Patents

Fluidleckage-erfassungsvorrichtung und hin- und herbewegende fluiddruckvorrichtung Download PDF

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Publication number
DE112019000578B4
DE112019000578B4 DE112019000578.2T DE112019000578T DE112019000578B4 DE 112019000578 B4 DE112019000578 B4 DE 112019000578B4 DE 112019000578 T DE112019000578 T DE 112019000578T DE 112019000578 B4 DE112019000578 B4 DE 112019000578B4
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Prior art keywords
cylinder head
piston rod
passage
annular member
press
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Active
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DE112019000578.2T
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German (de)
English (en)
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DE112019000578T5 (de
Inventor
Yusuke Takahashi
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KYB Corp
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KYB Corp
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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
    • 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
    • F15B15/1457—Piston rods
    • F15B15/1461—Piston rod sealings
    • 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
    • F15B15/1428—Cylinders
    • 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
    • F15B15/1433—End caps
    • 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
    • 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
    • F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
    • F15B19/005—Fault detection or monitoring
    • 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
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
    • F15B20/005—Leakage; Spillage; Hose burst
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/002—Sealings comprising at least two sealings in succession
    • F16J15/004—Sealings comprising at least two sealings in succession forming of recuperation chamber for the leaking fluid
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
    • F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
    • F16J15/3236—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips with at least one lip for each surface, e.g. U-cup packings
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3296—Arrangements for monitoring the condition or operation of elastic sealings; Arrangements for control of elastic sealings, e.g. of their geometry or stiffness
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/56—Other sealings for reciprocating rods
    • 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
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/6306—Electronic controllers using input signals representing a pressure
    • 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
    • F15B2211/863—Control during or prevention of abnormal conditions the abnormal condition being a hydraulic or pneumatic failure
    • F15B2211/864—Failure of an output member, e.g. actuator or motor failure
    • 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
    • F15B2211/865—Prevention of failures
    • 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
    • F15B2211/87—Detection of failures

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Actuator (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Sealing With Elastic Sealing Lips (AREA)
DE112019000578.2T 2018-01-29 2019-01-18 Fluidleckage-erfassungsvorrichtung und hin- und herbewegende fluiddruckvorrichtung Active DE112019000578B4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2018-012565 2018-01-29
JP2018012565A JP6677751B2 (ja) 2018-01-29 2018-01-29 流体漏れ検出機器、及び往復動型流体圧機器
PCT/JP2019/001402 WO2019146513A1 (ja) 2018-01-29 2019-01-18 流体漏れ検出機器及び往復動型流体圧機器

Publications (2)

Publication Number Publication Date
DE112019000578T5 DE112019000578T5 (de) 2020-11-19
DE112019000578B4 true DE112019000578B4 (de) 2024-04-11

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Application Number Title Priority Date Filing Date
DE112019000578.2T Active DE112019000578B4 (de) 2018-01-29 2019-01-18 Fluidleckage-erfassungsvorrichtung und hin- und herbewegende fluiddruckvorrichtung

Country Status (5)

Country Link
US (1) US11225985B2 (https=)
JP (1) JP6677751B2 (https=)
CN (1) CN111566358B (https=)
DE (1) DE112019000578B4 (https=)
WO (1) WO2019146513A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7530205B2 (ja) * 2020-04-28 2024-08-07 株式会社バルカー 液圧機器監視システム
TR202010494A1 (tr) * 2020-07-02 2022-05-23 Ali Oezel Hi̇droli̇k ve pnömati̇k si̇li̇ndi̇rlere entegre edi̇lebi̇len si̇li̇ndi̇r pi̇ston sonlama kapaği ve tam emni̇yetli̇ yükte ki̇li̇t mekani̇zmasi
TWI893170B (zh) * 2021-07-21 2025-08-11 日商華爾卡股份有限公司 液壓機器監視系統
JP7756512B2 (ja) * 2021-07-28 2025-10-20 カヤバ株式会社 流体圧シリンダ
US20240125317A1 (en) * 2022-10-13 2024-04-18 Checkpoint Group, Inc. Plunger pumps having leak-detection systems and methods for using the same
CN117570195A (zh) * 2024-01-03 2024-02-20 山东益斯特机械有限公司 一种3档位换挡缸

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62240275A (ja) 1986-04-09 1987-10-21 株式会社日立製作所 油圧エレベ−タ
JPH06207608A (ja) 1993-01-12 1994-07-26 Toshiba Mach Co Ltd 油圧装置の油漏れ検知方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4738253U (https=) * 1971-05-25 1972-12-27
JPS56158561U (https=) * 1980-04-28 1981-11-26
DE3517137A1 (de) * 1985-05-11 1986-11-13 Montan-Hydraulik GmbH, 4755 Holzwickede Arbeitszylinder mit dichter elastischer kolbenstangendichtung
JP2005221069A (ja) * 2003-06-20 2005-08-18 Honda Motor Co Ltd シリンダーリーク検出構造及び同検出方法
JP5102638B2 (ja) * 2008-01-21 2012-12-19 株式会社小松製作所 ダストシールシステム
CN203655776U (zh) * 2013-12-26 2014-06-18 海卓泰克液压技术（苏州）有限公司 变浆油缸
CN104006029A (zh) * 2014-05-12 2014-08-27 天津优瑞纳斯液压机械有限公司 具有漏油检测结构的液压缸
JP6622566B2 (ja) * 2015-11-04 2019-12-18 Ｋｙｂ株式会社 液漏れ検知装置
CN105864148B (zh) * 2016-05-10 2017-09-22 燕山大学 一种液压缸用密封圈泄漏量的定量测量装置及测量方法
JP2017207078A (ja) * 2016-05-16 2017-11-24 Ｋｙｂ株式会社 液漏れ検知装置
JP7039165B2 (ja) * 2016-09-29 2022-03-22 株式会社バルカー 液体漏れ検知ユニット
CN206111726U (zh) * 2016-11-01 2017-04-19 常州海宏液压设备有限公司 活塞杆外泄漏自动检测冻干机油缸

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62240275A (ja) 1986-04-09 1987-10-21 株式会社日立製作所 油圧エレベ−タ
JPH06207608A (ja) 1993-01-12 1994-07-26 Toshiba Mach Co Ltd 油圧装置の油漏れ検知方法

Also Published As

Publication number Publication date
JP2019132293A (ja) 2019-08-08
CN111566358B (zh) 2023-02-03
US11225985B2 (en) 2022-01-18
CN111566358A (zh) 2020-08-21
JP6677751B2 (ja) 2020-04-08
US20210079936A1 (en) 2021-03-18
DE112019000578T5 (de) 2020-11-19
WO2019146513A1 (ja) 2019-08-01

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