EP2647842A4 - METHOD, APPARATUS AND SYSTEM FOR CHANGING DIRECTION OF PUMPING FOR USE IN PUMPING APPARATUS - Google Patents

METHOD, APPARATUS AND SYSTEM FOR CHANGING DIRECTION OF PUMPING FOR USE IN PUMPING APPARATUS

Info

Publication number
EP2647842A4
EP2647842A4 EP11871867.5A EP11871867A EP2647842A4 EP 2647842 A4 EP2647842 A4 EP 2647842A4 EP 11871867 A EP11871867 A EP 11871867A EP 2647842 A4 EP2647842 A4 EP 2647842A4
Authority
EP
European Patent Office
Prior art keywords
pumping
switching
controlling
pumping direction
controlling pumping
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.)
Withdrawn
Application number
EP11871867.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2647842A1 (en
Inventor
Weichun Yi
Shuai Wang
Renyu Li
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 Zoomlion Special Vehicle Co Ltd
Zoomlion Heavy Industry Science and Technology Co Ltd
Original Assignee
Hunan Zoomlion Special Vehicle Co Ltd
Zoomlion Heavy Industry Science and Technology 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 Zoomlion Special Vehicle Co Ltd, Zoomlion Heavy Industry Science and Technology Co Ltd filed Critical Hunan Zoomlion Special Vehicle Co Ltd
Publication of EP2647842A1 publication Critical patent/EP2647842A1/en
Publication of EP2647842A4 publication Critical patent/EP2647842A4/en
Withdrawn legal-status Critical Current

Links

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
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
    • F04B15/023—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous supply of fluid to the pump by gravity through a hopper, e.g. without intake valve
    • 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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/10—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
    • F04B9/109—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers
    • F04B9/117—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers the pumping members not being mechanically connected to each other
    • F04B9/1172—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers the pumping members not being mechanically connected to each other the movement of each pump piston in the two directions being obtained by a double-acting piston liquid motor
    • 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
    • F04B2201/00—Pump parameters
    • F04B2201/02—Piston parameters
    • F04B2201/0201—Position of the piston
EP11871867.5A 2011-09-09 2011-09-09 METHOD, APPARATUS AND SYSTEM FOR CHANGING DIRECTION OF PUMPING FOR USE IN PUMPING APPARATUS Withdrawn EP2647842A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/079520 WO2013033915A1 (zh) 2011-09-09 2011-09-09 一种用于泵送装置的泵送换向控制方法、装置以及系统

Publications (2)

Publication Number Publication Date
EP2647842A1 EP2647842A1 (en) 2013-10-09
EP2647842A4 true EP2647842A4 (en) 2014-08-20

Family

ID=47831458

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11871867.5A Withdrawn EP2647842A4 (en) 2011-09-09 2011-09-09 METHOD, APPARATUS AND SYSTEM FOR CHANGING DIRECTION OF PUMPING FOR USE IN PUMPING APPARATUS

Country Status (4)

Country Link
EP (1) EP2647842A4 (zh)
BR (1) BR112013015754A2 (zh)
RU (1) RU2013126766A (zh)
WO (1) WO2013033915A1 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103821688B (zh) * 2014-01-20 2016-04-06 三一汽车制造有限公司 一种泵送机构、泵送控制方法及混凝土泵送设备
CN106704134A (zh) * 2017-03-15 2017-05-24 吉孚艾（天津）压缩系统技术有限公司 液压自由活塞多相混输装置
NL2019357B1 (en) * 2017-07-27 2019-02-18 Weir Minerals Netherlands Bv Pump system for handling a slurry medium
CN111306028A (zh) * 2020-03-30 2020-06-19 湖南拓沃重工科技有限公司 一种混凝土泵砼活塞维护方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10331762A (ja) * 1997-05-30 1998-12-15 Niigata Eng Co Ltd コンクリートポンプの運転方法及びコンクリートポンプ
US20060245943A1 (en) * 2004-03-26 2006-11-02 Wilhelm Hofmann Device and method for controlling a thick matter pump

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08319938A (ja) * 1995-05-24 1996-12-03 Tadano Ltd 流動体の圧送装置
JP3143772B2 (ja) * 1995-06-12 2001-03-07 極東開発工業株式会社 コンクリートポンプの制御装置
JP3713636B2 (ja) * 1995-10-20 2005-11-09 石川島建機株式会社 粘性流体ポンプの運転制御方法及び装置
KR100281932B1 (ko) * 1998-10-10 2001-09-22 양재신 드라이브 실린더 유압장치
CN201521424U (zh) * 2009-03-19 2010-07-07 杭州专用汽车有限公司 解决臂架泵车混凝土泵送断流的控制装置
CN201568245U (zh) * 2009-05-31 2010-09-01 长沙中联重工科技发展股份有限公司 混凝土泵送单元及泵送设备
CN201486790U (zh) * 2009-08-10 2010-05-26 福田雷沃重机股份有限公司 一种可变行程的泵送机构及设置有该泵送机构的泵车

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10331762A (ja) * 1997-05-30 1998-12-15 Niigata Eng Co Ltd コンクリートポンプの運転方法及びコンクリートポンプ
US20060245943A1 (en) * 2004-03-26 2006-11-02 Wilhelm Hofmann Device and method for controlling a thick matter pump

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013033915A1 *

Also Published As

Publication number Publication date
RU2013126766A (ru) 2015-10-20
BR112013015754A2 (pt) 2018-11-06
EP2647842A1 (en) 2013-10-09
WO2013033915A1 (zh) 2013-03-14

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