FR2422584A1 - FRICTION DRIVE WINCH AND CRANE WITH APPLICATION - Google Patents

FRICTION DRIVE WINCH AND CRANE WITH APPLICATION

Info

Publication number
FR2422584A1
FR2422584A1 FR7834239A FR7834239A FR2422584A1 FR 2422584 A1 FR2422584 A1 FR 2422584A1 FR 7834239 A FR7834239 A FR 7834239A FR 7834239 A FR7834239 A FR 7834239A FR 2422584 A1 FR2422584 A1 FR 2422584A1
Authority
FR
France
Prior art keywords
drum
groove
cable
grooves
crane
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Withdrawn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
FR7834239A
Other languages
French (fr)
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.)
PYRAMID Manufacturing Co
Original Assignee
PYRAMID Manufacturing Co
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
Priority claimed from US05/857,605 external-priority patent/US4204664A/en
Application filed by PYRAMID Manufacturing Co filed Critical PYRAMID Manufacturing Co
Publication of FR2422584A1 publication Critical patent/FR2422584A1/en
Withdrawn legal-status Critical Current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
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
    • B66D1/74—Capstans
    • B66D1/7405—Capstans having two or more drums providing tractive force
    • B66D1/741—Capstans having two or more drums providing tractive force and having rope storing means

Abstract

Ce treuil comprend deux tambours à gorges multiples 808 et 830. L'axe du deuxième tambour 830 est incliné sur celui du premier tambour 808 de façon que, dans le plan supérieur, les brins de câble passent des gorges du deuxième tambour aux gorges de même rang du premier tambour tandis que dans le plan tangent inférieur, chaque brin de câble passe d'une gorge du premier tambour à une gorge du deuxième tambour adjacente à la gorge de même rang. De cette façon, les brins ne subissent ni frottement latéral dans les gorges, ni torsion Ce mécanisme forme un cabestan interposé sur la longueur du câble entre un tambour de réserve formant en même temps tendeur et l'extrémité travaillante de ce câble, par exemple le crochet de levage d'une grue.This winch comprises two multi-groove drums 808 and 830. The axis of the second drum 830 is inclined on that of the first drum 808 so that, in the upper plane, the cable strands pass from the grooves of the second drum to the grooves of the same. row of the first drum while in the lower tangent plane, each cable strand passes from a groove in the first drum to a groove in the second drum adjacent to the groove of the same rank. In this way, the strands undergo neither lateral friction in the grooves, nor torsion This mechanism forms a capstan interposed along the length of the cable between a reserve drum forming at the same time a tensioner and the working end of this cable, for example the lifting hook of a crane.

FR7834239A 1977-12-05 1978-12-05 FRICTION DRIVE WINCH AND CRANE WITH APPLICATION Withdrawn FR2422584A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/857,605 US4204664A (en) 1976-09-09 1977-12-05 Winch mechanism for crane

Publications (1)

Publication Number Publication Date
FR2422584A1 true FR2422584A1 (en) 1979-11-09

Family

ID=25326351

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7834239A Withdrawn FR2422584A1 (en) 1977-12-05 1978-12-05 FRICTION DRIVE WINCH AND CRANE WITH APPLICATION

Country Status (5)

Country Link
CA (1) CA1090323A (en)
DK (1) DK541378A (en)
FR (1) FR2422584A1 (en)
GB (1) GB2009077A (en)
NO (1) NO784056L (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2486050A2 (en) * 1980-07-04 1982-01-08 Buzzichelli Lilian LIFTING APPARATUS COMPRISING A BOOM AND A COUNTERWEIGHT WITH ADJUSTABLE RESPECTIVE POSITIONS

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005008087B4 (en) † 2004-11-15 2023-10-05 Liebherr-Werk Biberach Gmbh crane
GB201005200D0 (en) 2010-03-27 2010-05-12 Parkburn Prec Handling Systems Winch apparatus
NL2004908C2 (en) 2010-06-17 2011-12-20 Itrec Bv Double drum traction winch.
EP3026263A1 (en) * 2014-11-28 2016-06-01 Siemens Aktiengesellschaft Arrangement to hoist a wind turbine component
NL2022164B1 (en) 2018-12-10 2020-07-02 Shoretension Holding B V Ship mooring system and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2486050A2 (en) * 1980-07-04 1982-01-08 Buzzichelli Lilian LIFTING APPARATUS COMPRISING A BOOM AND A COUNTERWEIGHT WITH ADJUSTABLE RESPECTIVE POSITIONS

Also Published As

Publication number Publication date
CA1090323A (en) 1980-11-25
DK541378A (en) 1979-06-06
GB2009077A (en) 1979-06-13
NO784056L (en) 1979-06-06

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Legal Events

Date Code Title Description
ST Notification of lapse