AU2022200669B2 - Device and method for measuring extension-retraction stroke of hydraulic cylinder - Google Patents

Device and method for measuring extension-retraction stroke of hydraulic cylinder Download PDF

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Publication number
AU2022200669B2
AU2022200669B2 AU2022200669A AU2022200669A AU2022200669B2 AU 2022200669 B2 AU2022200669 B2 AU 2022200669B2 AU 2022200669 A AU2022200669 A AU 2022200669A AU 2022200669 A AU2022200669 A AU 2022200669A AU 2022200669 B2 AU2022200669 B2 AU 2022200669B2
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AU
Australia
Prior art keywords
distance
hydraulic cylinder
measuring
roller
sleeve
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Active
Application number
AU2022200669A
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English (en)
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AU2022200669A1 (en
Inventor
Yihui PANG
Shihua Ren
Chen Wang
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.)
China Coal Research Institute CCRI
CCTEG Coal Mining Research Institute
Original Assignee
China Coal Research Institute CCRI
CCTEG Coal Mining Research Institute
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Publication of AU2022200669A1 publication Critical patent/AU2022200669A1/en
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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
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/28—Means for indicating the position, e.g. end of stroke
    • F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
    • F15B15/2838—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT with out using position sensors, e.g. by volume flow measurement or pump speed
    • 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
    • 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
    • F15B2215/00—Fluid-actuated devices for displacing a member from one position to another
    • F15B2215/30—Constructional details thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Actuator (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
AU2022200669A 2021-09-21 2022-02-02 Device and method for measuring extension-retraction stroke of hydraulic cylinder Active AU2022200669B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202111102657.5A CN113757222B (zh) 2021-09-21 2021-09-21 一种液压缸伸缩行程测量装置与方法
CN202111102657.5 2021-09-21

Publications (2)

Publication Number Publication Date
AU2022200669A1 AU2022200669A1 (en) 2023-04-06
AU2022200669B2 true AU2022200669B2 (en) 2023-06-22

Family

ID=78796523

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2022200669A Active AU2022200669B2 (en) 2021-09-21 2022-02-02 Device and method for measuring extension-retraction stroke of hydraulic cylinder

Country Status (2)

Country Link
CN (1) CN113757222B (zh)
AU (1) AU2022200669B2 (zh)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3119829A1 (de) * 1981-05-19 1982-12-16 H. Kuhnke Gmbh Kg, 2427 Malente Messsystem zum erfassen von positionen der kolbenstange einer kolben-zylinder-einheit
JPH11280711A (ja) * 1998-03-31 1999-10-15 Komatsu Ltd 流体圧シリンダのストローク量検出装置
EP1847809A1 (en) * 2006-04-18 2007-10-24 Deere & Company Method and system for detecting an axial position of a shaft
US7757547B2 (en) * 2006-06-16 2010-07-20 Komatsu Ltd. Cylinder stroke position measurement device
US9115483B2 (en) * 2013-01-18 2015-08-25 Komatsu Ltd. Hydraulic excavator and method for measuring stroke of hydraulic cylinder of hydraulic excavator
US20180327997A1 (en) * 2016-06-24 2018-11-15 Komatsu Ltd. Work vehicle and method of controlling work vehicle
CN112503057A (zh) * 2020-11-30 2021-03-16 广州高昌机电股份有限公司 一种小型液压设备用精确限位装置
CN214036355U (zh) * 2020-12-31 2021-08-24 江苏翔力重工科技有限公司 一种可在缸体泄露时确保安全的液压油缸

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2957570B1 (ja) * 1998-08-24 1999-10-04 住友電気工業株式会社 先端ストローク計
CN104870835A (zh) * 2013-12-19 2015-08-26 株式会社小松制作所 工作缸装置
KR101822873B1 (ko) * 2016-06-09 2018-01-30 한양대학교 에리카산학협력단 탈부착이 가능한 유압실린더의 변위 측정장치
KR20180120883A (ko) * 2017-04-28 2018-11-07 노인채 양단지지 고정밀도 압입기계
CN207300197U (zh) * 2017-09-12 2018-05-01 成都四星液压制造有限公司 磁性材料自动湿压机的下油缸行程测量装置
CN113153863B (zh) * 2021-05-26 2023-08-25 三一重机有限公司 油缸伸缩时间检测装置、检测方法、检测终端

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3119829A1 (de) * 1981-05-19 1982-12-16 H. Kuhnke Gmbh Kg, 2427 Malente Messsystem zum erfassen von positionen der kolbenstange einer kolben-zylinder-einheit
JPH11280711A (ja) * 1998-03-31 1999-10-15 Komatsu Ltd 流体圧シリンダのストローク量検出装置
EP1847809A1 (en) * 2006-04-18 2007-10-24 Deere & Company Method and system for detecting an axial position of a shaft
US7757547B2 (en) * 2006-06-16 2010-07-20 Komatsu Ltd. Cylinder stroke position measurement device
US9115483B2 (en) * 2013-01-18 2015-08-25 Komatsu Ltd. Hydraulic excavator and method for measuring stroke of hydraulic cylinder of hydraulic excavator
US20180327997A1 (en) * 2016-06-24 2018-11-15 Komatsu Ltd. Work vehicle and method of controlling work vehicle
CN112503057A (zh) * 2020-11-30 2021-03-16 广州高昌机电股份有限公司 一种小型液压设备用精确限位装置
CN214036355U (zh) * 2020-12-31 2021-08-24 江苏翔力重工科技有限公司 一种可在缸体泄露时确保安全的液压油缸

Also Published As

Publication number Publication date
CN113757222B (zh) 2024-01-26
AU2022200669A1 (en) 2023-04-06
CN113757222A (zh) 2021-12-07

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