EP2752383A4 - Locking device for locking outrigger in engineering machinery - Google Patents

Locking device for locking outrigger in engineering machinery

Info

Publication number
EP2752383A4
EP2752383A4 EP12827867.8A EP12827867A EP2752383A4 EP 2752383 A4 EP2752383 A4 EP 2752383A4 EP 12827867 A EP12827867 A EP 12827867A EP 2752383 A4 EP2752383 A4 EP 2752383A4
Authority
EP
European Patent Office
Prior art keywords
locking
outrigger
engineering machinery
locking device
machinery
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.)
Granted
Application number
EP12827867.8A
Other languages
German (de)
French (fr)
Other versions
EP2752383B1 (en
EP2752383A1 (en
Inventor
Xiaolin Jiang
Shixun 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.)
Beiqi Foton Motor Co Ltd
Original Assignee
Beijing Zhi Ke Investment and Management Co Ltd
Beiqi Foton Motor 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 Beijing Zhi Ke Investment and Management Co Ltd, Beiqi Foton Motor Co Ltd filed Critical Beijing Zhi Ke Investment and Management Co Ltd
Publication of EP2752383A1 publication Critical patent/EP2752383A1/en
Publication of EP2752383A4 publication Critical patent/EP2752383A4/en
Application granted granted Critical
Publication of EP2752383B1 publication Critical patent/EP2752383B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/78—Supports, e.g. outriggers, for mobile cranes
EP12827867.8A 2011-08-29 2012-05-16 Locking device for locking outrigger in engineering machinery Active EP2752383B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110251714.6A CN102951129B (en) 2011-08-29 2011-08-29 Locking device used for locking support leg in engineering machine
PCT/CN2012/075579 WO2013029392A1 (en) 2011-08-29 2012-05-16 Locking device for locking outrigger in engineering machinery

Publications (3)

Publication Number Publication Date
EP2752383A1 EP2752383A1 (en) 2014-07-09
EP2752383A4 true EP2752383A4 (en) 2015-03-11
EP2752383B1 EP2752383B1 (en) 2016-08-10

Family

ID=47755271

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12827867.8A Active EP2752383B1 (en) 2011-08-29 2012-05-16 Locking device for locking outrigger in engineering machinery

Country Status (3)

Country Link
EP (1) EP2752383B1 (en)
CN (1) CN102951129B (en)
WO (1) WO2013029392A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104627822B (en) * 2014-12-26 2016-10-05 中联重科股份有限公司 Crane support operating mechanism and there is its crane
CN108069362B (en) * 2018-02-01 2024-03-29 湖南杰希重工有限公司 Scissor type aerial work platform and extending platform locking mechanism and extending platform locking method thereof
CN113401094B (en) * 2021-07-29 2022-07-26 湖南三一中型起重机械有限公司 Landing leg locking device, landing leg assembly and engineering machinery

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2843267A1 (en) * 1978-10-04 1980-04-17 Gerd Schulz Safety catch for container strut - has locking bar at end to grip hole in strut
CN201843348U (en) * 2009-09-24 2011-05-25 徐工集团工程机械股份有限公司建设机械分公司 Limiting device for landing leg and concrete pump vehicle provided with limiting device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4243256A (en) * 1978-10-02 1981-01-06 Frydrych Robert R Narrow style surface mounted reversible latch
DE4211493A1 (en) * 1992-04-06 1993-10-07 Putzmeister Maschf Locking device for extendable support members
CN2789086Y (en) * 2005-04-30 2006-06-21 徐州重型机械有限公司 Concrete pump vehicle supporting locking device
CN201013083Y (en) * 2007-01-30 2008-01-30 三一重工股份有限公司 Locking arrangement for concrete pump vehicle supporting leg
CN201095160Y (en) * 2007-06-07 2008-08-06 三一重工股份有限公司 Concrete pump vehicle supporting leg locking device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2843267A1 (en) * 1978-10-04 1980-04-17 Gerd Schulz Safety catch for container strut - has locking bar at end to grip hole in strut
CN201843348U (en) * 2009-09-24 2011-05-25 徐工集团工程机械股份有限公司建设机械分公司 Limiting device for landing leg and concrete pump vehicle provided with limiting device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013029392A1 *

Also Published As

Publication number Publication date
CN102951129A (en) 2013-03-06
EP2752383B1 (en) 2016-08-10
CN102951129B (en) 2015-04-22
WO2013029392A1 (en) 2013-03-07
EP2752383A1 (en) 2014-07-09

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