EP0756575B1 - Cabestan - Google Patents

Cabestan Download PDF

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Publication number
EP0756575B1
EP0756575B1 EP95915865A EP95915865A EP0756575B1 EP 0756575 B1 EP0756575 B1 EP 0756575B1 EP 95915865 A EP95915865 A EP 95915865A EP 95915865 A EP95915865 A EP 95915865A EP 0756575 B1 EP0756575 B1 EP 0756575B1
Authority
EP
European Patent Office
Prior art keywords
drum
profile outline
profile
rope
conical
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.)
Expired - Lifetime
Application number
EP95915865A
Other languages
German (de)
English (en)
Other versions
EP0756575A1 (fr
Inventor
Peter Hase
Ewald Ettrich
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP95915865A priority Critical patent/EP0756575B1/fr
Publication of EP0756575A1 publication Critical patent/EP0756575A1/fr
Application granted granted Critical
Publication of EP0756575B1 publication Critical patent/EP0756575B1/fr
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 is based on a device for holding and tensioning of ropes, ropes or lines, especially in as sheet, drop or anchor winches, in docks or Pulley blocks by means of fixed or impulsive together connected conical disks, which are motorized or by Hand can be driven via a crank or a cable and which have a surface profile that with only one loop around the traction device is sufficient Holding force generated.
  • a device for holding and tensioning ropes, ropes or linen is from DE 26 02 629 C3 and DE 25 52 436 C2 known.
  • the Traction elements namely ropes or ropes or lines through Internal friction between the conical discs or through Fixing the traction device kept, if necessary, also at sufficient frictional force for high loads ensure in a multiple winding around the drum as in DE 27 40 090 C2.
  • a device of the type mentioned is from the US-A-4,603,839 discloses a holding device of ropes by means of firmly connected describes tapered parts by hand using a crank are drivable and surface profiling have, with only one loop of the traction means, where the surface profiling from radiant inward waves that are arcuate are formed, the holding force on the rope of conical drum disc by a positive profile is effected that is designed so that it generates the required holding force and the rope does not is worn out.
  • the profiles of the conical discs are designed so that the holding forces primarily by positive locking and not as in previously known Executions generated by friction. It is the surface profile designed so that when you intervene of the lines, these narrowed by the conically inwards Waves a longitudinal compression of the line and thus a Volume increases. By moving the top to lower wave profile is the total volume increase of the Leash pressed into the opposite trough.
  • the shaft is designed so that the flank of the profile is steeper in the pulling direction than in the downward direction to prevent the rope from pulling through.
  • the steepness of the pulling wave flank and designed the wave rounding so that No notch effect occurs on the rope or its Casing damaged. This is compared to the stand the technology a significant improvement in the clamping effect achieved without a rope-destroying wear effect.
  • Under Waves are also to be understood as webs or ribs.
  • the profile can be arcuate or straight against the direction of the train.
  • this role is on a radial Towards a movable lever held by a spring to arrange.
  • the scraper has a finger-shaped or wedge-shaped arm that is in the keyway between the conical washers, but with Distance from these protrudes.
  • the distance to the bottom of the groove should be max. the thickness of the too correspond to exciting ropes or ropes. Hereby will Prevention of multiple wrapping around the drum hit and thus prevents dangerous defectors.
  • the device is also with a reduction gear with upstream conical disc brake mechanism provided and with a switchable jack coupling for the direct drive of the rope drum.
  • the winch 100 shown in FIG. 1 is fundamental known from DE 26 02 629 C3.
  • a base body 10 On a base body 10 is rotatable one of two rotatable conical disks 111, 112 existing drum 11 known, in the groove Rope 110 can be inserted.
  • the drum 11 has one Drive head 12 with a recess 13 into which one in the ratchet crank, not shown can be inserted.
  • a locking mechanism can preferably also be used, which, depending on the crank rotation, the desired direction of rotation releases, but when the crank is released the opposite Locks direction and vice versa.
  • a roller or a pin 15 On the base body 10 are parallel to the axis of rotation Drum 11 and a short distance from the keyway Conical washers an arm, a roller or a pin 15, as well a scraper 16 is arranged.
  • the latter has one wedge-shaped protuberance 17, which in the keyway 18 between the tapered discs 111 and 112, but at a distance of protrudes into the keyway bottom 18a. The distance should be smaller than the thickness of the rope or rope to be tensioned 110.
  • the drum 11 consists of an upper conical disc 111 and a lower one conical disk 112 centered by a bushing 113 be the one by changing their height a Adjustment to different rope diameters enabled and connected by screws 19 and opposite the base body 10 are rotatably arranged.
  • the rotatable Storage is known in the art, so that there is no need to go into this further. 2 is the looping pin 15 for display in the Drawing level shown offset.
  • the upper conical disk 111 shown in FIGS. 3a-c has a straight or on the inside arcuate profiling, which is made of radiating running waves. Their division t corresponds about half to a rope size and their Profiling is to the lower cone 112 by 1/2 t transferred.
  • the profiles are inward, like llla, c, d such that the divisions of the upper against those of the lower are offset by 1/2 division.
  • the angle Alpha of the conical pulley profiles can be the rope version be adjusted.
  • the profiles 111 and 112a change over their course, c, d their cross section, as shown in Fig. 3d and 3e is.
  • the waves forming the profiling assign Start a distance t that increases due to the circumference a distance T in the region of the edge IIIb.
  • the lower conical disk 112 shown in FIGS. 4a-c has holes 23 for the passage of screws 19, furthermore, like the upper conical disk 111 central bore 24 to 25 for receiving the drive head 12 or a hollow shaft to the rotatability of the drum 11th to ensure with respect to the base body 10.
  • the profiling 112a, c, d of the lower conical disk corresponds in terms of profile profile and Alignment of the profile llla, c, d with the proviso that it runs in opposite directions in double-acting Winches. This means that when discs are placed on top of each other 111 and 112 the one on the lower disc Profiling a left course and the one on the top Washer profiling a right course having.
  • a guidance of the rope in the direction of rotation guaranteed on the groove bottom 18a, while the opposing profiling on the opposite side the friction effect of the inserted clamping device increases.
  • the direction of pull is denoted by Z.
  • the bottom of the groove 18a is through a cylinder liner formed, the two conical disks centered and with the the distance setting for different rope strengths he follows.
  • FIGS. 5 and 6a-c The profiling shown in FIGS. 5 and 6a-c is so shown that the holding force of the tapered drums is brought about by a positive profile that on the one hand is designed so that it is the required Holding force generated and on the other hand the ropes, ropes or Linen cannot be worn out or a braided one Sheathing is overstressed or torn.
  • the structure of the profiling is like this 6a to 6c in particular.
  • Base radius R of the drum profiles in the corresponding Contact circle of rope, rope or leash according to the radius of the rope, rope or line designed accordingly or smaller than this.
  • the head radius r of the profile is in contact diameter greater than 1.5 mm and less than 3 mm (1.5 mm ⁇ r ⁇ 3 mm).
  • the angle of attack of the profile against the direction of pull is 35 ° - 45 ° and depending on the application Center line M of the profile runs through the center of the Drum or tangent to a circle of diameter d is smaller than the outer diameter D of the drum.
  • the height H of the profiling is at least 2 mm and a maximum of 3 mm, and that the The flank angle alpha of the profile is steeper in the direction of pull is formed as on the opposite side (flank angle Beta) of the profile.
  • the top of the profile is one wear-resistant hard layer.
  • the winch 200 is another Embodiment shown.
  • On a base body 31 is screwed on a bearing flange 32.
  • On it rotatably mounted is the lower drum part 33 because with the upper drum part 34 is connected by means of screws 35.
  • the drive of the The winch drum can rotate with the crank rotating Crank mount 36 the latches 37 (section A-A) directly be coupled to the drum.
  • the opens Locking ring brake consisting of brake cone surface 36a, Brake locking disk 39 and gear shaft 38 so that the Jacks 40 (section B-B) can grip, but the Locking brake ring 39, can rotate freely.
  • the gear pawls 42 can not grip, the gear shaft 36 rotates in Central pinion 43 free through.
  • the planetary gear consisting of central pinion 43, intermediate gears 44, Planet gears 45 driven by the drum teeth 33a, overtakes the direct coupling and just spins.
  • the tensile force in the rope increases so much that the 1: 1 drive is no longer sufficient and the crank movement becomes the drum (3 + 4) is set by the pull rope retracted until the gear pawls 42 in Bound the central pinion 43.
  • the central pinion is with the Gear shaft 36 coupled, which is now with your Left-hand thread 38a turns the crank holder 36 and the Locking brake ring 39 sticks and turns counterclockwise until the Insert the pawls 40 into the locking ring 39. This will make the The winch is blocked and the traction is maintained.
  • a bearing Switch disc 46 with a non-slip profile 46a and Stop pin 47. A is pressed into the switching disc Switch ring 48 with locking grooves 48a and pawl windows 48b. There is a stop pocket in the upper drum part 34 49, the switching movement of the Switch disc 46 limited. Also in the top of the drum there is milling 50 a ball locking element 51, the engages in the locking grooves 48a of the locking ring 48 and the Switch disc holds in the set position.
  • the function of the switching disc is to turn the left Pawls 37 and lift out of their operative position and thus the operation only in the gear reduction to reach. This is due to the described Forward and conical disc brake mechanism Reverse operation of the winch allows tensioning (Fetching) and loosening (fisting) of the line allows fine dosing.
  • the tensioning of the lines runs in the above described way.
  • the switching disc 46 to the left Stop the stop pin 47 rotated and thereby the Pawls 37 deactivated by the switching ring 48.
  • the drum is made as described above slowed down. If you want to celebrate, turn it Drive crank to the right, this will apply the brake Removal of the clamping between the crank mount and Drive shaft 38 canceled and the locking ring 39 solved.
  • FIG. 13 is to illustrate an application of the invention, a violin pad 200 in a side view and shown in section, the pinch roller with 201 and the wrap pin are designated 202.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ropes Or Cables (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Pulleys (AREA)

Claims (26)

  1. Dispositif pour maintenir ou tendre des cordages, cordes ou cordeaux, en particulier dans des treuils de chaínes, des treuils de cordages ou des cabestans, dans des palans ou des poulies mouflées au moyen de disques coniques (111, 112) reliés l'un à l'autre de manière fixe ou par pignons, qui peuvent être entrainés par un moteur, à la main, par une manivelle ou par un tirant à càble et qui présentent un profilage de surface, avec seulement un enroulement du moyen de traction, le profilage de surface (111a, b, c, 112a, b, c) étant constitué par des arbres orientés vers l'intérieur en forme de faisceaux, la force de maintien sur le cordage, la corde ou le cordeau des disques de tambour coniques (111, 112) étant provoquée par un profil claboté qui est configuré tel qu'il génère la force de maintien nécessaire et les cordages, cordes ou cordeaux (110) n'étant pas usés ou l'enrobage tressé n'étant pas soumis à un effort excessif ou déchiré,
    caractérisé en ce
    qu'un rayon de tête r du profil dans le diamètre de contact est supérieur à 1,5 mm et inférieur à 3 mm et que l'angle de flanc (alpha) du profil est configuré plus raide dans le sens de la traction que l'angle de flanc (beta) sur le côté opposé du profil.
  2. Dispositif selon la revendication 1,
    caractérisé en ce
    qu'un rayon de base R des profils de tambour dans le diamètre de contact correspondant des cordages, cordes ou cordeaux correspond au rayon de ceux-ci ou est inférieur à celui-ci.
  3. Dispositif selon l'une des revendications 1 ou 2,
    caractérisé en ce
    que l'angle d'incidence du profil contre le sens de traction est, selon le cas d'application, de 35° à 45°.
  4. Dispositif selon l'une des revendications 1 à 3,
    caractérisé en ce
    que l'angle de sortie (beta) du profil est de 35° à 45°.
  5. Dispositif selon l'une des revendications 1 à 4,
    caractérisé en ce
    qu'une ligne médiane (M) du profil passe par le centre du tambour ou est tangente à un cercle du tambour.
  6. Dispositif selon l'une des revendications 1 à 5,
    caractérisé en ce
    que le profilage du disque conique supérieur va dans le sens opposé, c'est-à-dire réfléchi, par rapport au profilage du disque inférieur.
  7. Dispositif selon l'une des revendications 1 à 6,
    caractérisé en ce
    que la hauteur (H) du profilage est d'au moins 2 mm et d'au maximum 3 mm.
  8. Dispositif selon l'une des revendications 1 à 7,
    caractérisé en ce
    que la surface du profil est pourvue d'une couche dure diminuant l'usure.
  9. Dispositif selon l'une des revendications 1 à 8,
    caractérisé en ce
    que le profil de l'arbre du disque supérieur (111) est décalé d'un ½ écartement par rapport au profil de l'arbre du disque inférieur.
  10. Dispositif selon l'une des revendications 1 à 9,
    caractérisé en ce
    que le profilage (111a, b, c) du disque conique supérieur (111) est configuré de sens opposé au profilage (112a) du disque inférieur (112).
  11. Dispositif selon l'une des revendications 1 à 10,
    caractérisé en ce
    que le régage de l'effet de serrage sur le diamètre du moyen de traction se fait par variation de la hauteur de la douille (113).
  12. Dispositif selon l'une des revendications 1 à 11,
    caractérisé en ce
    qu'un bras, une broche (15) ou une poulie élastique est placée à un certain écart du tambour (11) formé par les disques coniques (111, 112) avec un axe longitudinal parallèle au tambour.
  13. Dispositif selon l'une des revendications 1 à 12,
    caractérisé en ce
    qu'un racloir (16) est prévu à un certain écart du tambour formé par les disques coniques avec un axe longitudinal parallèle au tambour.
  14. Dispositif selon l'une des revendications 1 à 13,
    caractérisé en ce
    que la poulie est placée élastique en rotation dans le sens de l'enroulement.
  15. Dispositif selon la revendication 12 ou 14,
    caractérisé en ce
    que le racloir (16) est placé à proximité de la broche (15) ou de la poulie, de préférence à peu près au même écart de l'axe longitudinal du tambour.
  16. Dispositif selon l'une des revendications 12 à 15,
    caractérisé en ce
    que le racloir et la broche forment une unité.
  17. Dispositif selon l'une des revendications 12 à 16,
    caractérisé en ce
    que le racloir (16) présente une protubérance en forme de clavette ou de doigt (17) qui pénètre dans la rainure en clavette (18) entre les disques coniques (111, 112) mais à un certain écart de ceux-ci.
  18. Dispositif selon l'une des revendications 1 à 17,
    caractérisé en ce
    que l'écart par rapport au fond de la rainure (18a) correspond au maximum à l'épaisseur de la corde (110) ou du cordage à tendre.
  19. Dispositif selon l'une des revendications 1 à 18,
    caractérisé en ce
    qu'un levier élastique radialement, positionné dans le socle, est placé à l'extérieur des disques coniques (111, 112) comme support de poulie.
  20. Dispositif selon l'une des revendications 1 à 19,
    caractérisé en ce
    qu'une poulie positionnée sur un palier à glissement, à billes ou à rouleaux se trouve sur le levier, poulie qui bloque l'enroulement et oppose la plus faible résistance au cordeau qui passe.
  21. Dispositif selon l'une des revendications 1 à 20,
    caractérisé en ce
    qu'un axe élastique positionné excentré par rapport au centre du treuil est placé à l'extérieur des disques coniques en étant configuré tel que la poulie qui roule dessus peut être déportée en tirant sur la corde qui se déroule contre le sens de l'enroulement et que l'enroulement est réduit au point que la corde, le cordage ou le cordeau puisse glisser au-dessus du profil.
  22. Dispositif selon l'une des revendications 1 à 21,
    caractérisé en ce
    que l'accouplement d'engrenage est constitué par une douille filetée entraínée, un anneau à cliquet et une broche de serrage, la douille filetée et la broche de serrage portent avec le filet à gauche pour le treuil entraíné à droite et vice-versa.
  23. Dispositif selon l'une des revendications 1 à 22,
    carctérisé en ce
    que l'anneau de serrage en tant que roue à cliquet ne permet, à l'état serré, qu'un sens de rotation.
  24. Dispositif selon l'une des revendications 1 à 23,
    caractérisé en ce
    que l'angle de cône de serrage de la douille de serrage, de l'anneau de serrage et de la broche de serrage est adapté aux angles de friction du matériau.
  25. Dispositif selon l'une des revendications 1 à 24,
    caractérisé en ce
    que le pas du filet de la broche de serrage et de la douille filetée est choisi tel qu'il génère la force de friction nécessaire sur l'anneau du frein à cliquet pour maintenir la charge.
  26. Dispositif selon l'une des revendications 1 à 25,
    caractérisé en ce
    que les cliquets pour l'entraínement direct du tambour (11) peuvent être commandés avec un anneau de commande (48).
EP95915865A 1994-04-19 1995-04-04 Cabestan Expired - Lifetime EP0756575B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP95915865A EP0756575B1 (fr) 1994-04-19 1995-04-04 Cabestan

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP94106051 1994-04-19
EP94106051A EP0685423A1 (fr) 1994-04-19 1994-04-19 Appareil pour tendre des câbles, des cordes ou des fils
EP95915865A EP0756575B1 (fr) 1994-04-19 1995-04-04 Cabestan
PCT/EP1995/001338 WO1995028349A1 (fr) 1994-04-19 1995-04-04 Cabestan

Publications (2)

Publication Number Publication Date
EP0756575A1 EP0756575A1 (fr) 1997-02-05
EP0756575B1 true EP0756575B1 (fr) 1998-01-21

Family

ID=8215874

Family Applications (2)

Application Number Title Priority Date Filing Date
EP94106051A Withdrawn EP0685423A1 (fr) 1994-04-19 1994-04-19 Appareil pour tendre des câbles, des cordes ou des fils
EP95915865A Expired - Lifetime EP0756575B1 (fr) 1994-04-19 1995-04-04 Cabestan

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP94106051A Withdrawn EP0685423A1 (fr) 1994-04-19 1994-04-19 Appareil pour tendre des câbles, des cordes ou des fils

Country Status (5)

Country Link
EP (2) EP0685423A1 (fr)
AU (1) AU684362B2 (fr)
DE (1) DE59501336D1 (fr)
NZ (1) NZ284073A (fr)
WO (1) WO1995028349A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE532850C2 (sv) * 2007-11-09 2010-04-20 Selden Mast Ab Anordning för linvinsch på segelbåt
FR3064992B1 (fr) * 2017-04-06 2020-11-06 Nicolas Maes Moufle de palan, et dispositif de tension de ligne mettant en œuvre une telle moufle
WO2018185379A1 (fr) * 2017-04-06 2018-10-11 Maes Nicolas Moufle de palan, et dispositif de tension de ligne mettant en oeuvre une telle moufle
CN112694025B (zh) * 2020-12-22 2022-06-21 山东百海逸机电股份有限公司 一种固装绞车速度传感器的机械装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB327560A (en) * 1929-03-27 1930-04-10 Karl Dingertz Improvements in or relating to winches
US3078074A (en) * 1960-05-19 1963-02-19 Benson S Anchors Inc Windlass
ES416699A1 (es) * 1972-07-08 1976-06-16 Greifzug Hebezeugbau Gmbh Perfeccionamientos en las poleas para cables.
CA1032524A (fr) * 1973-12-19 1978-06-06 Derek J. Fawcett Treuil
DE2602629C3 (de) * 1976-01-24 1978-08-24 Robert 2000 Hamburg Kieslich Vorrichtung zum Spannen von Tauen, Seilen oder Drähten
US4151980A (en) * 1976-11-26 1979-05-01 Lewmar Marine Limited Winch
US4225118A (en) * 1978-11-20 1980-09-30 Barient Company Direct drive deck winch
AT366967B (de) * 1980-08-11 1982-05-25 Elin Union Ag Seilrollenanordnung fuer den antrieb von selbstfah-renden seilbahnfahrzeugen
US4603839A (en) * 1983-05-27 1986-08-05 Igelfors Bruks Ab Device for transport or displacement of elongated objects in particular, as well as a pulling or traction wheel comprised in said device
FR2637579B1 (fr) * 1988-10-11 1992-03-06 Gattioni Laurent Appareil pour la traction de charges sur cables lisses
GB2255763A (en) * 1991-03-12 1992-11-18 Cambril Investments Ltd Improved rope winch.

Also Published As

Publication number Publication date
AU684362B2 (en) 1997-12-11
EP0685423A1 (fr) 1995-12-06
NZ284073A (en) 1998-07-28
DE59501336D1 (de) 1998-02-26
AU2257395A (en) 1995-11-10
EP0756575A1 (fr) 1997-02-05
WO1995028349A1 (fr) 1995-10-26

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