EP4282808A4 - COUNTERWEIGHT SHIFTING MECHANISM AND WORKING MACHINE - Google Patents

COUNTERWEIGHT SHIFTING MECHANISM AND WORKING MACHINE Download PDF

Info

Publication number
EP4282808A4
EP4282808A4 EP21920629.9A EP21920629A EP4282808A4 EP 4282808 A4 EP4282808 A4 EP 4282808A4 EP 21920629 A EP21920629 A EP 21920629A EP 4282808 A4 EP4282808 A4 EP 4282808A4
Authority
EP
European Patent Office
Prior art keywords
working machine
shifting mechanism
counterweight shifting
counterweight
working
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.)
Pending
Application number
EP21920629.9A
Other languages
German (de)
French (fr)
Other versions
EP4282808A1 (en
Inventor
Bo Li
Zhongxiang HOU
Huimin Liu
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.)
Sany Automobile Hoisting Machinery Co Ltd
Original Assignee
Sany Automobile Hoisting Machinery 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 Sany Automobile Hoisting Machinery Co Ltd filed Critical Sany Automobile Hoisting Machinery Co Ltd
Publication of EP4282808A1 publication Critical patent/EP4282808A1/en
Publication of EP4282808A4 publication Critical patent/EP4282808A4/en
Pending legal-status Critical Current

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
    • 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
    • B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
    • B66C23/76—Counterweights or supports for balancing lifting couples separate from jib and movable to take account of variations of load or of variations of length of jib
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/18—Counterweights

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
  • Component Parts Of Construction Machinery (AREA)
EP21920629.9A 2021-01-25 2021-09-18 COUNTERWEIGHT SHIFTING MECHANISM AND WORKING MACHINE Pending EP4282808A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110097818.XA CN112758845B (en) 2021-01-25 2021-01-25 Counterweight displacement mechanism and working machine
PCT/CN2021/119334 WO2022156251A1 (en) 2021-01-25 2021-09-18 Counterweight displacement mechanism and operating machine

Publications (2)

Publication Number Publication Date
EP4282808A1 EP4282808A1 (en) 2023-11-29
EP4282808A4 true EP4282808A4 (en) 2024-07-10

Family

ID=75707139

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21920629.9A Pending EP4282808A4 (en) 2021-01-25 2021-09-18 COUNTERWEIGHT SHIFTING MECHANISM AND WORKING MACHINE

Country Status (3)

Country Link
EP (1) EP4282808A4 (en)
CN (1) CN112758845B (en)
WO (1) WO2022156251A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112758845B (en) * 2021-01-25 2023-07-28 三一汽车起重机械有限公司 Counterweight displacement mechanism and working machine
CN113718749B (en) * 2021-09-07 2025-07-25 杭叉集团股份有限公司 Integral counterweight assembly of dynamic compactor
CN114735604B (en) * 2022-04-20 2024-10-08 长沙佳顺玛钢件有限公司 Crane counterweight device capable of self-dismounting and shifting
CN115818471B (en) * 2022-11-23 2024-09-27 湖南三一中型起重机械有限公司 Counterweight installation structure and engineering machinery

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180155162A1 (en) * 2016-09-05 2018-06-07 Liebherr-Werk Ehingen Gmbh Kran und gegengewicht für einen kran
CN110775840A (en) * 2019-10-31 2020-02-11 三一汽车起重机械有限公司 Counter weight translation subassembly and hoist
WO2020031842A1 (en) * 2018-08-06 2020-02-13 株式会社タダノ Crane

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120060008A (en) * 2010-12-01 2012-06-11 두산인프라코어 주식회사 Counterweight mounting/separating apparatus for construction machinery
CN102275836A (en) * 2011-06-07 2011-12-14 湖南中联重科专用车有限责任公司 Crane, clump weight loading and unloading mechanism for crane, and clump weight block
CN203439964U (en) * 2013-08-19 2014-02-19 四川长江工程起重机有限责任公司 Mounting mechanism for balancing weights of automobile crane
CN204096961U (en) * 2014-08-28 2015-01-14 三一汽车起重机械有限公司 Hoisting crane
CN105776020B (en) * 2016-05-05 2017-07-28 三一汽车起重机械有限公司 Crane and its counterweight mounting system, counterweight hooking method
CN111302243A (en) * 2020-05-13 2020-06-19 三一汽车起重机械有限公司 Crane
CN111591912B (en) * 2020-06-23 2024-09-03 三一汽车起重机械有限公司 Self-dismounting deflection counterweight device and crane
CN112758845B (en) * 2021-01-25 2023-07-28 三一汽车起重机械有限公司 Counterweight displacement mechanism and working machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180155162A1 (en) * 2016-09-05 2018-06-07 Liebherr-Werk Ehingen Gmbh Kran und gegengewicht für einen kran
WO2020031842A1 (en) * 2018-08-06 2020-02-13 株式会社タダノ Crane
CN110775840A (en) * 2019-10-31 2020-02-11 三一汽车起重机械有限公司 Counter weight translation subassembly and hoist

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022156251A1 *

Also Published As

Publication number Publication date
EP4282808A1 (en) 2023-11-29
CN112758845A (en) 2021-05-07
WO2022156251A1 (en) 2022-07-28
CN112758845B (en) 2023-07-28

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