CA2805789C - Hydraulic oil cylinder, correlative device thereof, hydraulic cushion system, excavator and concrete pump truck - Google Patents

Hydraulic oil cylinder, correlative device thereof, hydraulic cushion system, excavator and concrete pump truck Download PDF

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Publication number
CA2805789C
CA2805789C CA2805789A CA2805789A CA2805789C CA 2805789 C CA2805789 C CA 2805789C CA 2805789 A CA2805789 A CA 2805789A CA 2805789 A CA2805789 A CA 2805789A CA 2805789 C CA2805789 C CA 2805789C
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CA
Canada
Prior art keywords
buffer
piston
hydraulic oil
throttling
oil cylinder
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
CA2805789A
Other languages
English (en)
French (fr)
Other versions
CA2805789A1 (en
Inventor
Xiaogang Yi
Yongdong Liu
Bingbing Chen
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.)
Hunan Sany Intelligent Control Equipment Co Ltd
Sany Heavy Industry Co Ltd
Original Assignee
Hunan Sany Intelligent Control Equipment Co Ltd
Sany Heavy Industry 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 Hunan Sany Intelligent Control Equipment Co Ltd, Sany Heavy Industry Co Ltd filed Critical Hunan Sany Intelligent Control Equipment Co Ltd
Publication of CA2805789A1 publication Critical patent/CA2805789A1/en
Application granted granted Critical
Publication of CA2805789C publication Critical patent/CA2805789C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F04B7/00—Piston machines or pumps characterised by having positively-driven valving
    • F04B7/04—Piston machines or pumps characterised by having positively-driven valving in which the valving is performed by pistons and cylinders coacting to open and close intake or outlet ports
    • 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
    • F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
    • F15B15/222—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having a piston with a piston extension or piston recess which throttles the main fluid outlet as the piston approaches its end position

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Actuator (AREA)
  • Fluid-Damping Devices (AREA)
CA2805789A 2010-07-23 2011-06-21 Hydraulic oil cylinder, correlative device thereof, hydraulic cushion system, excavator and concrete pump truck Active CA2805789C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN2010102351377A CN102108990B (zh) 2010-07-23 2010-07-23 一种液压油缸及液压缓冲系统、挖掘机和混凝土泵车
CN201010235137.7 2010-07-23
PCT/CN2011/076025 WO2012010032A1 (zh) 2010-07-23 2011-06-21 液压油缸及其相关装置、及液压缓冲系统、挖掘机和混凝土泵车

Publications (2)

Publication Number Publication Date
CA2805789A1 CA2805789A1 (en) 2012-01-26
CA2805789C true CA2805789C (en) 2018-05-01

Family

ID=44173239

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2805789A Active CA2805789C (en) 2010-07-23 2011-06-21 Hydraulic oil cylinder, correlative device thereof, hydraulic cushion system, excavator and concrete pump truck

Country Status (8)

Country Link
US (1) US20130209296A1 (pt)
EP (1) EP2597319B1 (pt)
CN (1) CN102108990B (pt)
AU (1) AU2011282321B9 (pt)
BR (1) BR112013001759B1 (pt)
CA (1) CA2805789C (pt)
RU (1) RU2564161C2 (pt)
WO (1) WO2012010032A1 (pt)

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CN102493970A (zh) * 2011-12-30 2012-06-13 贵州枫阳液压有限责任公司 挖掘机斗杆油缸
CN102699404A (zh) * 2012-06-21 2012-10-03 无锡华联科技集团有限公司 液压抬刀让刀机构
CN102980727B (zh) * 2012-11-28 2015-05-20 武汉船用机械有限责任公司 一种用于马达壳体的泵压试验的工装
CN103204243B (zh) * 2012-12-30 2015-09-30 成都发动机（集团）有限公司 蚌壳式反推力装置
CN104405716B (zh) * 2014-11-04 2016-03-16 哈尔滨工业大学 两端预紧式压电堆致缸体多模态振动的低摩擦特性气缸
DE102015224612A1 (de) * 2015-12-08 2017-06-08 Zf Friedrichshafen Ag Betätigungseinheit, Kupplung sowie Kraftfahrzeug
CN108061068B (zh) * 2018-01-08 2024-04-23 中国铁建重工集团股份有限公司 双护盾tbm快速复位液压系统及掘进装备
CN110617252A (zh) * 2018-12-20 2019-12-27 湖南机电职业技术学院 螺腔耦合缓冲斗杆油缸
CN109595220B (zh) * 2018-12-21 2023-12-05 中船重工中南装备有限责任公司 一种缓闭液压缸
CN109611411B (zh) * 2018-12-29 2024-04-12 厦门理工学院 一种高速重载作动器
CN109555750B (zh) * 2019-01-10 2024-02-27 浙江鹤立智能机械有限公司 液压机主油缸
CN110185675A (zh) * 2019-06-24 2019-08-30 新余钢铁股份有限公司 一种液压油缸活塞前端盖密封结构
CN110360183A (zh) * 2019-08-13 2019-10-22 青岛三维汽车装备有限公司 液压油缸游动式钢制快速充液连接装置
CN111348596A (zh) * 2020-03-20 2020-06-30 安徽合力股份有限公司 一种具有上升端减速结构的起升油缸
CN111765144B (zh) * 2020-08-05 2024-08-16 马鞍山市裕华机械制造有限公司 一种自锁定式多腔液压油缸及其实施方法
CN112431816B (zh) * 2020-12-08 2024-04-26 四川凌峰航空液压机械有限公司 油液阻尼控制液压作动筒运动速度的末端缓冲装置
CN112780633B (zh) * 2021-01-06 2023-05-05 安徽鼎图液压设备有限公司 一种双缸液压油缸
CN112682547B (zh) * 2021-01-18 2023-04-11 中国电子科技集团公司第二十九研究所 一种电子设备穿透式液冷机箱的自适应泄压与盛液装置
CN114183433B (zh) * 2021-12-10 2024-02-13 建湖县八达液压机械有限公司 一种气口缓冲装置的液压油缸
CN114294297B (zh) * 2021-12-29 2024-08-16 广东南曦液压机械有限公司 一种顺序伸缩油缸系统及控制方法及其设备
CN114607670B (zh) * 2022-03-11 2024-10-18 中国航发沈阳发动机研究所 一种活塞无密封自稳定结构
CN114810724B (zh) * 2022-04-13 2024-06-25 江苏图南液控科技有限公司 一种液压油缸底座缓冲装置
CN115045889B (zh) * 2022-08-15 2022-10-25 烟台山河液压部件有限公司 一种减震液压油缸
CN116181875B (zh) * 2023-03-10 2024-07-12 烟台南工大环球智能装备有限公司 一种液压转台的转位减速机构
CN116079471B (zh) * 2023-04-03 2023-06-23 冈田智能(江苏)股份有限公司 一种具有缓冲功能的链式刀库侧向倒刀装置及控制方法
CN116696888B (zh) * 2023-07-21 2024-01-30 江苏翔力重工科技有限公司 一种内置式连续增压的高压油缸

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CN201836141U (zh) * 2010-07-23 2011-05-18 三一重工股份有限公司 一种液压油缸及液压缓冲系统、挖掘机和混凝土泵车
CN201836140U (zh) * 2010-07-23 2011-05-18 三一重工股份有限公司 一种液压油缸及液压缓冲系统、挖掘机和混凝土泵车
CN201836139U (zh) * 2010-07-23 2011-05-18 三一重工股份有限公司 一种液压油缸及液压缓冲系统、挖掘机和混凝土泵车

Also Published As

Publication number Publication date
CA2805789A1 (en) 2012-01-26
BR112013001759A2 (pt) 2016-05-31
EP2597319B1 (en) 2018-09-19
RU2013100913A (ru) 2014-08-27
EP2597319A4 (en) 2015-07-15
EP2597319A1 (en) 2013-05-29
RU2564161C2 (ru) 2015-09-27
US20130209296A1 (en) 2013-08-15
AU2011282321B9 (en) 2016-12-15
BR112013001759B1 (pt) 2021-04-20
CN102108990A (zh) 2011-06-29
AU2011282321B2 (en) 2016-09-22
AU2011282321A1 (en) 2013-02-07
WO2012010032A1 (zh) 2012-01-26
CN102108990B (zh) 2011-12-28

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Effective date: 20160616