EP0401099A1 - Gerät für den Antrieb eines Lastenträgerbandes mit einer kombinierten Vorrichtung zur Ablenkung der Last und Führung des Bandes - Google Patents

Gerät für den Antrieb eines Lastenträgerbandes mit einer kombinierten Vorrichtung zur Ablenkung der Last und Führung des Bandes Download PDF

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Publication number
EP0401099A1
EP0401099A1 EP90401406A EP90401406A EP0401099A1 EP 0401099 A1 EP0401099 A1 EP 0401099A1 EP 90401406 A EP90401406 A EP 90401406A EP 90401406 A EP90401406 A EP 90401406A EP 0401099 A1 EP0401099 A1 EP 0401099A1
Authority
EP
European Patent Office
Prior art keywords
lever
link
roller
rollers
strand
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
EP90401406A
Other languages
English (en)
French (fr)
Other versions
EP0401099B1 (de
Inventor
Jean-Michel Koludzki
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.)
Tractel SAS
Original Assignee
Tractel SAS
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 Tractel SAS filed Critical Tractel SAS
Publication of EP0401099A1 publication Critical patent/EP0401099A1/de
Application granted granted Critical
Publication of EP0401099B1 publication Critical patent/EP0401099B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B66D1/7415—Friction drives, e.g. pulleys, having a cable winding angle of less than 360 degrees

Definitions

  • the invention relates to an apparatus with a driving pulley ensuring the drive of a link carrying a load at one of its ends and, more particularly, such an apparatus comprising a member for tightening the link against the peripheral surface of the pulley actuated from a deflection of the load.
  • Apparatus comprising a drive pulley device, moved manually or mechanically, which scrolls on the periphery of this pulley a link carrying a load without storing it, this link generally being of round section, for example a cable.
  • this link generally being of round section, for example a cable.
  • the adhesion of the link to the peripheral surface of the pulley is ensured by the clamping pressure, on the wound part of the link, of a pivoting member or a series of pivoting members such as rollers.
  • this pressure can be exerted in particular by the effect a deflection of the load transmitted, by levers, to this or these members from a deflector means such as a roller.
  • the object of the present invention is to provide a particularly effective solution to these problems by its simplicity and efficiency, in particular for ensuring a guided tension of the soft strand of the link at its exit from the pulley, by coordinating the guidance and the drive of the two strands of the link from a deflection of the load.
  • the invention proposes to use, as a connection between the member for tightening the link on the periphery of the pulley and the deflection means cooperating with the load, a system of three levers articulated at the ends of each others, comprising two lateral levers, the free end of each of which pivots around a fixed point and an intermediate lever, which determine a deformable parallelogram.
  • the intermediate lever carries the load deflection means, and one of the lateral levers carries the clamping member applied to the periphery of the pulley.
  • the intermediate lever also carries a member for guiding the strands of the cable.
  • this construction makes it possible to associate the rotation of a deflecting roller with guiding the two strands of the link by making this roller cooperate with two other rollers mounted on the same lever, the three rollers being aligned close to one another so that the rotation of the deflecting roller causes that of the other two rollers by the interposition of the two strands of the link, respectively between each pair of rollers thus formed.
  • the axes of the latter are mounted in oblong openings, the largest dimension of which is oriented along the longitudinal axis of the lever carrying said rollers, the axis of the extreme roller located on the side of the soft strand being biased by a spring in the direction of the axis of the deflector roller.
  • a clutch lever is provided which is pivotally mounted on a fixed fixed axis. of the carrying frame of the device and which acts on the intermediate lever.
  • the release lever allows to apply a reverse translation to the intermediate lever the direction of biasing of the pre-tightening spring which is applied thereto, so as to cancel the action of this spring and to separate the clamping member from the peripheral surface of the pulley.
  • the release lever is articulated on the intermediate lever by the axis of the guide roller located on this lever on the side of the soft strand of the link.
  • an actuation of the release lever results first of all in the cancellation of the action of the spring associated with this roller, and therefore in a first phase by the separation of the rollers concerned from the strands of the link which they provide training and guidance.
  • this action results in the neutralization of the pre-clamping spring acting on the intermediate lever, by applying a translation to the latter, causing the clamping member to become detached from the peripheral surface of the pulley.
  • this clamping member can be in the form of a bogie articulated on the lateral lever and comprising several pressure rollers.
  • the intermediate lever has in its central part a guide block in which two holes are made for the passage of the two strands of the cable, at least the hole intended for the load carrying strand being oriented, along its length, in the direction of alignment of the device on the load.
  • the peripheral profile of the tightening rollers is the counter-profile of the peripheral profile of the drive pulley. It is the same for the peripheral profile of the intermediate guide roller relative to the profile of the other two rollers with which he cooperates.
  • the peripheral surface of the drive pulley is flat with two lateral shoulders between which is inserted the flat peripheral surface of the pressure rollers, while the flat peripheral surface the intermediate guide roller is inserted between the lateral shoulders of the flat peripheral surfaces of the two lateral guide rollers, one of which is constituted by the deflector roller.
  • the chassis 1 of the device according to the invention equipped with a member mooring A and which carries a drive pulley 2 mounted to rotate, under the action of motor means (not shown), around a transverse horizontal shaft 3.
  • the peripheral surface 4 of the pulley 2 is flat with two lateral shoulders 4 ′ between which is inserted a strap 5 to the strand 6 which is attached the load (not shown) while the other strand 7 is not loaded.
  • a lateral lever 9 On an axis 8 carried by the chassis 1 is articulated the end of a lateral lever 9 whose other end is articulated around an axis 10 at one end of a horizontal intermediate lever 11. The other end of the lever 11 is articulated around an axis 12 at the lower end of a lateral lever 13 parallel to the lever 9 and mounted to pivot at its upper end around an axis 14 carried by the chassis 1.
  • the axes of rotation 8, 10,12,14 are arranged so that the levers 9,11 and 13 determine a deformable parallelogram.
  • the lateral lever 9 carries a bogie 15 comprising three rollers 16, each of these rollers having a flat peripheral surface 17 (see FIG. 5) intended to engage between the shoulders 4 ′ of the periphery of the pulley 2 to tighten the strap 5 against this pulley.
  • the intermediate lever 11 carries, aligned side by side, three rollers comprising a deflector roller 18 and two guide rollers 19 and 20.
  • the axis 21 around which the deflector roller 18 can rotate is fixed in openings facing the two flat rods 22,22 ′ constituting the intermediate lever 11, the deflector roller 18 being disposed between these two rods.
  • the axis 23 of the intermediate guide roller 19 is mounted to move freely in oblong openings 24,24 ′ oriented along the longitudinal axis of the lever 11.
  • the other guide roller 20 On the other side of the deflector roller 18, relative to the intermediate guide roller 19, is disposed the other guide roller 20 whose axis 25 is mounted in oblong openings 26,26 ′ of the rods 22,22 ′ oriented in the extension of the openings 24,24 ′.
  • Tension springs 27,27 ′ connect the axes 21 and 25 together to constrain the guide rollers 19,20 towards the deflection roller 18.
  • Between the deflection roller 18 and the intermediate guide roller 19 passes the loaded strand 6 of the strap 5 which is applied by the roller 19 against the flat peripheral part of the roller 18.
  • the soft strand 7 of the strap is applied by the roller 19 against the flat peripheral part of the roller 20.
  • a clutch lever 30 is provided, an intermediate part is articulated at 31 on the chassis 1.
  • the end of the lever 30 opposite its actuating part is articulated on the intermediate lever 11 by the axis 25 of the guide roller 20.
  • the intermediate lever 11 in order to ensure maximum guidance to the two strands of the strap 5, comprises in its central part a guide block 32 (see FIG. 4) in which two holes 33, 34 are made through which the strands 7 and 6 of the strap 5, these two orifices being oriented, along their length, in the direction of alignment of the device on the load.
  • the guide block 32 has, towards the point of exit of each strand of the strap 5 of the drive space between the two rollers cooperating with the strand, an extension 35, 35 ′ avoiding a deviation of said strand at its exit from the rollers.
  • a folded guide plate 36 which is fixed so that its two lateral faces have their ends very close to the peripheral surface of the pulley 2. This avoids a deflection of the strands 6, 7 on their path between the winding arc of the strap 5 on the pulley and the guide rollers 18, 19 20.
  • Another guide plate 37 is disposed at the periphery of the pulley 2, and extends from the point where the loaded strand 6 of the strap leaves the deflector roller 18 to the point where it cooperates with the tightening rollers 16 , thereby ensuring that the strap 5 is guided when the device is put into battery.
  • a safety guide roller 39 which cooperates with the face of the loaded strand 6 opposite to that cooperating with the deflector roller 18.
  • This safety roller has the purpose of neutralizing the pendulum movement that the loaded strand 6 of the strap is capable of taking under the effect of the load and thus preventing a lateral displacement is applied to the intermediate lever 11, in particular in the tending direction to remove the pre-tightening.
  • the lower end of the orifice 34 for passage of the loaded strand 6 has a flared shape.
  • a compression spring 40 engages by one of its ends the axis 25 of the roller 20 while its opposite end bears on the terminal portion 41 in the form of a fork of the clutch release lever 30.
  • the operating rod 42 of the declutching lever 30 is mounted on a spring 43 and carries a transverse axis 44 designed to move in a groove 45, formed in the casing 47 of the device, when the lever 30 is operated.
  • the groove 45 has a shape such that the axis 44 is wedged in one end 46 of this groove when the lever 30 is in its engaged position shown in dotted lines in FIG. 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
EP90401406A 1989-05-29 1990-05-28 Gerät für den Antrieb eines Lastenträgerbandes mit einer kombinierten Vorrichtung zur Ablenkung der Last und Führung des Bandes Expired - Lifetime EP0401099B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8907015A FR2647427B1 (fr) 1989-05-29 1989-05-29 Appareil d'entrainement d'un lien porteur d'une charge, avec dispositif coordonne de deflection de la charge et guidage du lien
FR8907015 1989-05-29

Publications (2)

Publication Number Publication Date
EP0401099A1 true EP0401099A1 (de) 1990-12-05
EP0401099B1 EP0401099B1 (de) 1993-10-20

Family

ID=9382101

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90401406A Expired - Lifetime EP0401099B1 (de) 1989-05-29 1990-05-28 Gerät für den Antrieb eines Lastenträgerbandes mit einer kombinierten Vorrichtung zur Ablenkung der Last und Führung des Bandes

Country Status (5)

Country Link
US (1) US5129626A (de)
EP (1) EP0401099B1 (de)
DD (1) DD295605A5 (de)
DE (1) DE69004007D1 (de)
FR (1) FR2647427B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0677480A1 (de) * 1994-03-24 1995-10-18 Gebrueder Roeck Ohg - Snc D. Simon Roeck Kompaktes Durchlaufseilzuggerät
WO2011113168A1 (fr) * 2010-03-16 2011-09-22 Flakes S.A. Dispositif d'enroulement d'un lien souple

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6237502B1 (en) * 1998-07-14 2001-05-29 Richard Van Damme Sheave arrangement suitable for slack pulling carriage
SG154361A1 (en) * 2008-01-30 2009-08-28 Seow Tiong Bin A hoist
US7607644B1 (en) * 2008-06-09 2009-10-27 Acculift, Inc. Boat lift assembly
DE102010047704A1 (de) * 2010-10-06 2012-04-12 Demag Cranes & Components Gmbh Hebezeug mit einem Zahnriemen als Tragmittel
DE102012100099B4 (de) * 2012-01-06 2015-06-11 Columbus Mckinnon Industrial Products Gmbh Durchlaufwinde
LU92298B1 (fr) * 2013-10-28 2015-04-29 Capital Access Sarl Treuil à poulie d'adhérence autonome

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2975650A (en) * 1959-06-23 1961-03-21 Sperry Rand Corp Engine control means
FR2104690A1 (de) * 1970-07-24 1972-04-21 Tractel Sa
FR2146654A5 (de) * 1971-07-22 1973-03-02 Rocla Concrete Pipes Ltd
FR2217259A1 (de) * 1973-02-15 1974-09-06 Kaufer Carl
GB2016646A (en) * 1978-03-16 1979-09-26 Secr Defence A belt and friction drive mechanism
GB2016643A (en) * 1978-03-22 1979-09-26 Gen Motors Corp Timing chain snubber
FR2457834A1 (fr) * 1979-06-01 1980-12-26 Tractel Sa Dispositif de pression d'un cable contre la gorge d'une poulie
EP0300892A1 (de) * 1987-07-21 1989-01-25 Michel Cavalieri Sicherheitsvorrichtung für die Winde einer hängenden Arbeitsbühne

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US219237A (en) * 1879-09-02 Improvement in stump-extractors
DE197356C (de) *
US798635A (en) * 1903-12-22 1905-09-05 John Stevenson Jr Apparatus for raising, lowering, or hauling weights.
US2684166A (en) * 1951-09-10 1954-07-20 Paul A Medearis Power elevator for oil wells
US3750970A (en) * 1971-02-02 1973-08-07 Marine Constr & Design Co Line coiling apparatus
US3717325A (en) * 1971-08-02 1973-02-20 American Chain & Cable Co Cable system
US3729173A (en) * 1972-01-24 1973-04-24 Tractel Sa Endless jaw chain self-clamping winch
FR2233269A1 (en) * 1973-06-15 1975-01-10 Lacour Jean Lifting device with motor-driven pulley - pivots to press free end of rope between pulley and auxiliary roller
US4005852A (en) * 1975-06-27 1977-02-01 The United States Of America As Represented By The Secretary Of The Air Force Traction sheave warning for helicopter rescue hoist systems
US4113237A (en) * 1975-10-28 1978-09-12 D. G. Beyer, Inc. Cable tension control
DE2717157C2 (de) * 1977-04-19 1979-05-17 Ludwig Hofmann, Ludhof-Technik, 7580 Buehl Gurt- bzw. Seil-Ratsche
FR2434111A1 (fr) * 1978-08-22 1980-03-21 Tractel Sa Systeme de poulies ameliorant la cooperation d'un treuil avec le cable qu'il actionne
GB2061861B (en) * 1979-10-25 1983-05-05 Aabacas Eng Co Ltd Rope guides for hoists
FR2599731A1 (fr) * 1986-06-04 1987-12-11 Mannesmann Ag Fixation de cable
JPS6476797A (en) * 1987-09-18 1989-03-22 Hitachi Ltd Manufacture of superconducting thin-film multi-layer board
FR2638802B2 (fr) * 1988-06-03 1995-02-24 Secalt Sa Appareil pour l'entrainement d'un lien souple tel qu'une sangle ou une courroie
FR2632622B2 (fr) * 1988-05-18 1994-10-14 Secalt Treuil autoserreur pour le defilement d'une sangle
CH673274A5 (en) * 1989-07-17 1990-02-28 Kyburz Maschinenbau Ag Rope winch with rotary drum - has driven pulley in contact with rope winding on and off drum

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2975650A (en) * 1959-06-23 1961-03-21 Sperry Rand Corp Engine control means
FR2104690A1 (de) * 1970-07-24 1972-04-21 Tractel Sa
FR2146654A5 (de) * 1971-07-22 1973-03-02 Rocla Concrete Pipes Ltd
FR2217259A1 (de) * 1973-02-15 1974-09-06 Kaufer Carl
GB2016646A (en) * 1978-03-16 1979-09-26 Secr Defence A belt and friction drive mechanism
GB2016643A (en) * 1978-03-22 1979-09-26 Gen Motors Corp Timing chain snubber
FR2457834A1 (fr) * 1979-06-01 1980-12-26 Tractel Sa Dispositif de pression d'un cable contre la gorge d'une poulie
EP0300892A1 (de) * 1987-07-21 1989-01-25 Michel Cavalieri Sicherheitsvorrichtung für die Winde einer hängenden Arbeitsbühne

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0677480A1 (de) * 1994-03-24 1995-10-18 Gebrueder Roeck Ohg - Snc D. Simon Roeck Kompaktes Durchlaufseilzuggerät
WO2011113168A1 (fr) * 2010-03-16 2011-09-22 Flakes S.A. Dispositif d'enroulement d'un lien souple

Also Published As

Publication number Publication date
US5129626A (en) 1992-07-14
FR2647427A1 (fr) 1990-11-30
DD295605A5 (de) 1991-11-07
FR2647427B1 (fr) 1991-09-06
DE69004007D1 (de) 1993-11-25
EP0401099B1 (de) 1993-10-20

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