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BR112017023611A2 - garra de tesouras operada por quatro cabos - Google Patents

garra de tesouras operada por quatro cabos

Info

Publication number
BR112017023611A2
BR112017023611A2 BR112017023611-7A BR112017023611A BR112017023611A2 BR 112017023611 A2 BR112017023611 A2 BR 112017023611A2 BR 112017023611 A BR112017023611 A BR 112017023611A BR 112017023611 A2 BR112017023611 A2 BR 112017023611A2
Authority
BR
Brazil
Prior art keywords
lever
closing
pivot
pulley
claw
Prior art date
Application number
BR112017023611-7A
Other languages
English (en)
Other versions
BR112017023611B1 (pt
BR112017023611B8 (pt
Inventor
Albert De Kluijver Willem
Corbeau Michel
Original Assignee
Nemag B.V.
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 Nemag B.V. filed Critical Nemag B.V.
Publication of BR112017023611A2 publication Critical patent/BR112017023611A2/pt
Publication of BR112017023611B1 publication Critical patent/BR112017023611B1/pt
Publication of BR112017023611B8 publication Critical patent/BR112017023611B8/pt

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C3/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
    • B66C3/12Grabs actuated by two or more ropes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C3/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
    • B66C3/005Grab supports, e.g. articulations; Oscillation dampers; Orientation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C3/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
    • B66C3/02Bucket grabs
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/46Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
    • E02F3/47Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor with grab buckets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Jib Cranes (AREA)

Abstract

uma garra de tesouras operada por quatro cabos, compreendendo um par de alavancas de tesoura que são conectadas através de uma junção pivô para pivotar em torno de um eixo pivô, cada uma das alavancas de tesoura a qual inclui um casco de garra e uma conexão de cabo de içamento situada em um primeiro lado da alavanca com relação à junção pivô, e uma conexão de cabo de fechamento situada em um segundo lado da alavanca que é oposto com relação à junção pivô, de forma que em uso um cabo de içamento dedicado é fixado a cada alavanca no primeiro lado da alavanca, e um cabo de fechamento dedicado é fixado a cada alavanca no segundo lado da alavanca. cada uma das alavancas de tesoura inclui uma roldana no segundo lado da alavanca, e cada uma das ditas roldanas arranjada como uma primeira roldana de fechamento e roldana de fechamento final, de forma que em uso cada um dos dois cabos de fechamento se estende em um único passe a partir de uma conexão de cabo de fechamento no segundo lado de uma alavanca através da roldana de fechamento no segundo lado da outra alavanca para partir a partir da garra e continuar para cima para um guindaste que porta a garra.
BR112017023611A 2015-05-01 2016-05-02 Garra de tesouras operada por quatro cabos BR112017023611B8 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL2014756 2015-05-01
NL2014756A NL2014756B1 (en) 2015-05-01 2015-05-01 Four cable operated scissors grab.
PCT/NL2016/050314 WO2016178568A1 (en) 2015-05-01 2016-05-02 Four cable operated scissors grab

Publications (3)

Publication Number Publication Date
BR112017023611A2 true BR112017023611A2 (pt) 2018-07-24
BR112017023611B1 BR112017023611B1 (pt) 2021-08-03
BR112017023611B8 BR112017023611B8 (pt) 2022-10-25

Family

ID=53488410

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017023611A BR112017023611B8 (pt) 2015-05-01 2016-05-02 Garra de tesouras operada por quatro cabos

Country Status (11)

Country Link
US (1) US10252892B2 (pt)
EP (2) EP3288888B1 (pt)
JP (1) JP6647316B2 (pt)
KR (1) KR102492291B1 (pt)
CN (2) CN111252662B (pt)
BR (1) BR112017023611B8 (pt)
ES (1) ES2777824T3 (pt)
LT (1) LT3288888T (pt)
NL (1) NL2014756B1 (pt)
PL (1) PL3288888T3 (pt)
WO (1) WO2016178568A1 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3768900A4 (en) * 2018-03-23 2022-03-23 Cashman Dredging & Marine Contracting Co., Llc SLOPE LEVEL CUTTING BUCKET
USD969880S1 (en) * 2019-09-25 2022-11-15 Raymond E. Bergeron Clamshell dredging bucket
USD1021977S1 (en) * 2022-11-16 2024-04-09 Raymond E. Bergeron Level cut clamshell dredging bucket
KR102574223B1 (ko) * 2023-03-22 2023-09-06 주식회사 나우건설산업 보조풀리유닛을 갖는 와이어 쏘 절단장치의 방향전환지그

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US528375A (en) * 1894-10-30 Dredging implement
US485193A (en) * 1892-11-01 Dredging implement
US64169A (en) * 1867-04-23 Israel d
US813528A (en) * 1904-07-06 1906-02-27 Joseph A Jeffrey Clam-shell bucket.
US1545591A (en) * 1923-03-06 1925-07-14 Western Electric Co Manufacture of electron-discharge devices
US1571838A (en) * 1924-06-11 1926-02-02 Hutson Archibald Clamshell-dredger bucket
US1909867A (en) * 1932-12-20 1933-05-16 William A Olson Clamshell bucket
US2617211A (en) * 1947-07-21 1952-11-11 William A Olson Clamshell bucket
NL171690C (nl) * 1971-10-07 1983-05-02 Nemag Nv Schaargrijper.
US3975044A (en) * 1973-08-07 1976-08-17 Dravo Corporation Reeving system for a scissor-type clamshell bucket
NL182212C (nl) * 1975-11-13 1988-02-01 Nemag Nv Grijper.
NL8204386A (nl) * 1982-11-12 1984-06-01 Nemag Nv Vorkschaargrijper.
CN2649555Y (zh) * 2003-10-22 2004-10-20 天津五洋港口机械有限公司 弹簧式异步多颚抓斗
CN2747209Y (zh) * 2004-10-28 2005-12-21 漳州招商局码头有限公司 一种轻型耙集式散货抓斗
CN102070076A (zh) * 2009-11-19 2011-05-25 陈莲秀 钳剪抓斗
CN102674149A (zh) * 2012-05-05 2012-09-19 无锡市新华起重工具有限公司 剪式防漏抓斗
CN103010945B (zh) * 2012-12-18 2015-12-09 上海海事大学 一种高抓取比散货抓斗
CN203740882U (zh) * 2014-03-20 2014-07-30 迟树廷 新型剪式抓斗
CN104310210B (zh) * 2014-10-31 2016-07-20 武汉理工大学 碎石平挖抓斗及其控制方法

Also Published As

Publication number Publication date
JP6647316B2 (ja) 2020-02-14
JP2018514484A (ja) 2018-06-07
KR20180005201A (ko) 2018-01-15
BR112017023611B1 (pt) 2021-08-03
NL2014756A (en) 2016-11-07
LT3288888T (lt) 2020-03-25
CN111252662B (zh) 2022-06-28
WO2016178568A9 (en) 2017-02-09
ES2777824T3 (es) 2020-08-06
BR112017023611B8 (pt) 2022-10-25
US10252892B2 (en) 2019-04-09
EP3677536A1 (en) 2020-07-08
CN107690416A (zh) 2018-02-13
PL3288888T3 (pl) 2020-06-29
CN111252662A (zh) 2020-06-09
NL2014756B1 (en) 2017-01-25
WO2016178568A1 (en) 2016-11-10
EP3288888B1 (en) 2020-02-12
CN107690416B (zh) 2020-07-07
US20180134525A1 (en) 2018-05-17
EP3288888A1 (en) 2018-03-07
KR102492291B1 (ko) 2023-01-26

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Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 02/05/2016, OBSERVADAS AS CONDICOES LEGAIS.

B25A Requested transfer of rights approved

Owner name: NEMAG IP B.V. (NL)