EP0145271A1 - Seilvorschubeinrichtung - Google Patents

Seilvorschubeinrichtung Download PDF

Info

Publication number
EP0145271A1
EP0145271A1 EP84307703A EP84307703A EP0145271A1 EP 0145271 A1 EP0145271 A1 EP 0145271A1 EP 84307703 A EP84307703 A EP 84307703A EP 84307703 A EP84307703 A EP 84307703A EP 0145271 A1 EP0145271 A1 EP 0145271A1
Authority
EP
European Patent Office
Prior art keywords
rollers
assembly
line
roller
sub
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Withdrawn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
EP84307703A
Other languages
English (en)
French (fr)
Inventor
Roger Frederick Allen
Colin Ian Campbell
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.)
GQ Defence Equipment Ltd
Original Assignee
GQ Defence Equipment 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 GQ Defence Equipment Ltd filed Critical GQ Defence Equipment Ltd
Publication of EP0145271A1 publication Critical patent/EP0145271A1/de
Withdrawn legal-status Critical Current

Links

Images

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
    • B66D1/28—Other constructional details
    • B66D1/36—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains
    • B66D1/38—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains by means of guides movable relative to drum or barrel
    • 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

Definitions

  • the present invention relates to a line feeding device for advancing a flexible line and is particularly concerned with a line feeding device in which the line is advanced by contact with an arcuate surface of a driven roller.
  • capstan winch in which the rope is advanced by contact with the arcuate surfaces of a pair of driven capstan rollers around which the rope is passed in a plurality of turns and from which it is fed to a driven storage drum at a tension which is only a very small fraction of the load on the rope taken up by the capstan rollers.
  • capstan winch enables long ropes to be accommodated on storage drums of lightweight construction
  • capstan rollers which accept the heavy line loads must themselves be of robust construction and of large diameter. This makes the equipment expensive. They furthermore become subject to wear and replacement of them is costly.
  • a line feeding device for feeding a flexible line in which the line is drivingly engaged and advanced by contact with an arcuate surface of drive means
  • the drive means comprises an assembly of five or more drive elements so disposed in spaced relation to each other as to present to the line a drive path for the line in which the line is drivingly engaged by and advanced through a predetermined angle of wrap around the assembly by contact in turn with an arcuate surface of each drive element over an angle of contact which is less than the predetermined angle of wrap and in which the line so extends between each drive element and the next adjacent drive element as to be relieved from bending stresses imposed on the line by contact with the arcuate surfaces of the elements.
  • the elements are rollers so disposed about a centre point of the assembly and so driven as to present a drive path for the line in which the line contacts the surfaces of the rollers only on the sides of the rollers remote from the centre point of the assembly.
  • the rollers of the assembly are mounted in a stationary roller support structure and are rotatably driven in the support structure.
  • the angle of contact of the line with the arcuate surface of each roller is preferably made much less than 180° and the number of rollers is preferably such as to effect a significant reduction in the bending stress and fatigue in the line relative to that which would be imposed on the line following an equivalent drive path in which the line is engaged throughout by a continuous arcuate contact surface of a single driven roller.
  • the drive path is arranged to make a plurality of turns around the assembly and the rollers are so constructed as to provide adjacent contact surfaces for the line. Furthermore, the rollers are arranged on axes equidistant from the centre point of the assembly and are equiangularly spaced around the centre point.
  • each roller are formed by circumferential grooves, preferably of semi-circular or part-circular cross-section, arranged adjacent each other along the length of the roller and the rollers are so constructed that the grooves in each roller are displaced axially with respect to those in the next adjacent roller so that the line is guided by the grooves of successive rollers into a helical drive path round the assembly.
  • the rollers are preferably mounted in a stationary roller support structure and are rotatably driven. They may however be adjustably fixed against rotation in a roller support structure which is itself arranged to be rotatably driven about the centre point of the assembly.
  • the elements are rollers and the rollers are assembled as two spaced sub-assemblies, the rollers of each sub-assembly being non-rotatably mounted in a roller support structure which is arranged to be rotatably driven about a centre point of the sub-assembly.
  • rollers of each sub-assembly are arranged on axes equidistant from the centre point of the sub-assembly and are equi-angularly spaced around the centre point of the sub-assembly and the roller support structures are so driven as to present a drive path for the line in which the line is drivingly engaged by and advanced through the predetermined angle of wrap around the two sub-assemblies by contact in turn with the outer surfaces of the rollers of the two sub-assemblies.
  • the device shown which is used for hauling in steel rope under considerable tension, as for example in the recovery of disabled vehicles, comprises a storage drum 11 on which the rope 10 is stored, a guide pulley arrangement 12 for guiding the rope 10 in its passage to and from the drum 11, a capstan roller assembly 13 around which the rope passes in a plurality of turns and guide pulleys 14 and 15 which accept the rope 10 for hauling in and which guide 'it to the roller assembly 13.
  • the storage drum 11 and the rollers on the roller assembly 13 are driven for winding on of the rope 10 on the drum 11.
  • the assembly 13 accepts the rope 10 from the pulleys 14 and 15 under considerable load and advances the rope 10 via the guide pulley arrangement 12 to the storage drum 11 which is driven for winding on the rope at low tension.
  • the pulley arrangement 12 comprises a freely rotatable pulley 16 mounted on the upper end of a pivotal arm 17 which is freely pivotal at its lower end on a shaft 18, the arrangement being such that the rope 10 winds itself on the storage drum 11, with the guide pulley following the line determined by the rope, to produce a natural build on the drum 11 in which each successive turn of the rope 10 on the drum is laid adjacent the preceding turn first in a traverse of the drum in one direction to form a first layer on the drum and then in a traverse in the opposite direction to form a superposed next layer.
  • the roller assembly 13 comprises a plurality of grooved rollers 19 mounted for rotation on shafts 20 and 21 carried in stationary support plates 22 and 23 which together with other support structure form a rigid support for the rollers 19.
  • the assembly 13 is shown with twelve rollers 19, in practice a large number of rollers 19 will be provided in the assembly and in a preferred arrangement a total of sixty are provided in place of the twelve shown.
  • Each of the rollers 19 is provided with a plurality of grooves 24 in which the rope 10 is guided in a plurality of turns round the assembly 13.
  • five grooves 24 are provided in the roller 19 illustrated in Fig. 3 and are arranged on the roller so as to leave a spacer section 25 at one end of the roller.
  • next roller 19 in the assembly 13 is arranged with the grooves 24 offset in relation to those of the roller 19 illustrated in Fig. 3 and similarly the grooves of each successive roller in the assembly are offset in relation to those of the preceding roller so that the rope 10 is guided by the grooves 24 of successive rollers 19 into a helical drive path round the assembly 13.
  • Each of the rollers 19 shown in Figs. 2 and 3 is provided with a pinion 26 and a gear wheel 28.
  • the gear wheel 28 is fixedly mounted on a centre shaft 27 rotatably mounted in the support plates 22 and 23 and is arranged to be driven by a drive motor (not shown).
  • the capstan winch illustrated in Figs. 1 to 3 of the drawings may be vehicle mounted and used for the recovery of disabled vehicles.
  • the rope 10 is stored on the drum 11 and in a recovery operation is paid out by reversing the drive to the roller assembly 13 and arranging for the storage drum 11 to exert back tension on the rope 10. While no tension is applied to the rope 10 the roller assembly 13 remains ineffective to pay out the rope. When a sufficient tension is applied to the free end of the rope to be paid out the roller assembly 13 then becomes effective to draw the rope from the storage drum 11. In this way, the rope 10 is paid out only when required and by an amount which can be controlled simply by the operator increasing or reducing the pull on the end of the rope. The paid out rope 10 is then hooked up to the disabled vehicle, the drive to the roller assembly 13 reversed and the drive to the storage drum 11 engaged.
  • the rope 10 passes in a plurality of turns in a helical path round the assembly 13 and then passes to the guide roller 16 and to the storage drum 11.
  • the rope 10 in making a complete turn round the roller assembly 13 is drivingly engaged by each roller 19 in turn. It follows an arcuate path round each roller in which it is subjected to bending stresses followed by an unsupported path in which it is subjected to little or no bending stresses.
  • the rope 10 has a small angle of wrap equal to 360° divided by the number of rollers 19, that is to say,'an angle of wrap of 6°.
  • the bending stresses in the rope are in effect imposed discontinuously by passage round successive rollers and are relatively small.
  • the rope 10 is nevertheless wound on to the assembly 13 on a large diameter which provides substantially the same advantages as those obtained when using a large diameter capstan roller.
  • the assembly 13 whilst maintaining the advantages of the large diameter capstan roller can furthermore be constructed using components of relatively low cost and of robust construction.
  • capstan rollers become subject to wear and the replacement a large diameter roller is costly.
  • the small diameter rollers 19 also become subject to wear provision can readily be made for replacement of them at low cost.
  • the roller 19 which is first to receive the rope 10 being hauled in becomes subjected to more wear than the other rollers. In this event, its replacement can be carried out as a minor maintenance task at low cost.
  • rollers 19 are arranged to be driven by a pinion 26 engaged by a gear wheel mounted on the centre shaft 27. It will however be appreciated that drive to the pinions 26 may be made through a number of intermediate idler gears. Furthermore, for some applications it may be found desirable to provide a separate drive motor for each of the rollers 19 or to provide separate drive motors for separate groups of rollers or only some of the rollers.
  • rollers 19 are shown as being of semi-circular cross section, it will be appreciated that grooves of other cross sections may be used. For example, for some purposes it may be found preferable to use rollers having grooves of V-shaped form.
  • the rollers 19 are individually rotatably driven in a stationarily arranged support.
  • the rollers 19 are held against rotation in a support cage, which is itself arranged to be rotatably driven so as to present to the rope 10 a succession of spaced arcuate surfaces.
  • the roller assembly shown comprises two sub-assemblies 29 and 30.
  • the sub-assembly 29 includes rollers 191 fixedly mounted between roller support plates 31 and 32 carried by a drive shaft 33.
  • the sub-assembly 30 comprises rollers 192 fixedly mounted between support plates 34 and 35 carried by a drive shaft 36.
  • the drive shafts 33 and 36 carry gears 37 and 38 engaged by a drive chain 39 driven by a gear 40 mounted on the output shaft 41 of a drive motor 42.
  • Each of the rollers 191 is provided with a plurality of circumferential grooves in which the rope is guided and each may take the form of the roller 19 in the embodiment of the invention described with reference to Figs. 1 to 3, with the provision of five grooves and the omission of the spacer section 25.
  • the rollers 191 are identical to each other and have an identical positioning of the grooves so that the rope 10 each time it passes round the sub-assembly 29 in contact with the grooves of successive rollers is constrained to remain in a plane at right angles to the shaft 33.
  • rollers 192 of the sub-assembly 30 are identical to each other and have identical positioning of the grooves so that the rope 10 each time it passes round the sub-assembly 30 in contact with the grooves of successive rollers is constrained to a path lying in a plane at right angles to the shaft 36.
  • the rollers 192 of the sub-assembly 30 are however arranged with their grooves offset in relation to those of the rollers 191 so that the rope 10 is guided in a helical path round the two sub-assemblies.
  • the line feeding device described with reference to Fig. 4 whilst maintaining the advantages of the large diameter capstan winch employing two large diameter capstan drums can be constructed using components of relatively low cost and of robust construction. While the small diameter rollers 191 and 192 also become subject to wear provision can readily be made for replacement of them at low cost. Furthermore the mounting of the rollers 191 and 192 may be adjustably fixed so that when a roller surface becomes subjected to wear the roller can be repositioned to present to the rope 10 an unworn part of the roller surface.
  • the pulley 16 is arranged to follow the winding on position of the rope 10 by mounting it on the freely pivotal arm 17.
  • the pulley 16 may be mounted on a fixed horizontal slide bar and either be allowed freely to slide on the bar to follow the winding on position of the rope 10 or be driven along the bar by means which cause it to position itself at the winding on position during the build of the rope 10 on the drum 11.
  • the arm 17 in the embodiment illustrated in the drawings is freely pivotal and is caused to follow the winding on position of the rope 10 by the rope itself, for some purposes it may be found desirable to arrange for the pivotal arm 17 to be driven, for example from a drive element engaged by a helical drive profile on a drive screw.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forwarding And Storing Of Filamentary Material (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacturing Of Electric Cables (AREA)
EP84307703A 1983-11-09 1984-11-08 Seilvorschubeinrichtung Withdrawn EP0145271A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8329843 1983-11-09
GB838329843A GB8329843D0 (en) 1983-11-09 1983-11-09 Line feeding device

Publications (1)

Publication Number Publication Date
EP0145271A1 true EP0145271A1 (de) 1985-06-19

Family

ID=10551470

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84307703A Withdrawn EP0145271A1 (de) 1983-11-09 1984-11-08 Seilvorschubeinrichtung

Country Status (3)

Country Link
EP (1) EP0145271A1 (de)
JP (1) JPS60122695A (de)
GB (2) GB8329843D0 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0337786A1 (de) * 1988-04-14 1989-10-18 Briggs Irrigation Uk Limited Gerät zur Kabelablage
CN108463421A (zh) * 2015-11-25 2018-08-28 劳斯莱斯船业公司 用于在绞车滚筒上卷绕绳索的系统和卷绕装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1920224A (en) * 1930-10-06 1933-08-01 Western Electric Co Rotating mechanism
US3258247A (en) * 1963-12-31 1966-06-28 Jr Wilbert L Jones Duplex capstan
US3834673A (en) * 1972-05-19 1974-09-10 Wharton Engs Elstree Ltd Twin capstan winches
US4065101A (en) * 1976-10-07 1977-12-27 Korkut Mehmet D Torsion spool
SU874590A1 (ru) * 1979-11-11 1981-10-23 За витель П. А. Громов Канатоведущий барабан

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1058559B (it) * 1976-03-26 1982-05-10 Aimfin Ag Dispositivo ad aderenza per l avvolgimento di funi in genere

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1920224A (en) * 1930-10-06 1933-08-01 Western Electric Co Rotating mechanism
US3258247A (en) * 1963-12-31 1966-06-28 Jr Wilbert L Jones Duplex capstan
US3834673A (en) * 1972-05-19 1974-09-10 Wharton Engs Elstree Ltd Twin capstan winches
US4065101A (en) * 1976-10-07 1977-12-27 Korkut Mehmet D Torsion spool
SU874590A1 (ru) * 1979-11-11 1981-10-23 За витель П. А. Громов Канатоведущий барабан

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Soviet Inventions Illustrated Derwent Publications Ltd. Week E 34, 6 October 1982 Section Q38 Abstract number L3183 & SU-A-874-590 (GROMOV P.A.) 28-10-1981 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0337786A1 (de) * 1988-04-14 1989-10-18 Briggs Irrigation Uk Limited Gerät zur Kabelablage
CN108463421A (zh) * 2015-11-25 2018-08-28 劳斯莱斯船业公司 用于在绞车滚筒上卷绕绳索的系统和卷绕装置
CN108463421B (zh) * 2015-11-25 2020-05-05 劳斯莱斯船业公司 用于在绞车滚筒上卷绕绳索的系统和卷绕装置

Also Published As

Publication number Publication date
GB2149376A (en) 1985-06-12
GB8329843D0 (en) 1983-12-14
JPS60122695A (ja) 1985-07-01
GB8428312D0 (en) 1984-12-19

Similar Documents

Publication Publication Date Title
EP0995832B1 (de) Geschlagenes Kunstfaserseil
DE112009000250B4 (de) Hebevorrichtung
US7845069B2 (en) Methods for forming armored cable assembly
EP3679275B1 (de) Riemengetriebener linearer aktuator mit hoher untersetzung
US4795108A (en) Level wind system
US3467360A (en) Drawworks
US4274574A (en) Linear motion cable drive
US4634102A (en) Self-threading capstan drive
EP0145271A1 (de) Seilvorschubeinrichtung
US4090675A (en) Adhering device for general rope winding up
US4120139A (en) Cable making apparatus
US3687380A (en) Prestressing apparatus
DE3208158C2 (de) Vorrichtung zum Ziehen oder Bremsen von Metallbändern
EP0360033A1 (de) Seilzugvorrichtung
US6698722B1 (en) Apparatus and method for use in handling a load
EP0257459B1 (de) Verfahren und Vorrichtung zum Herstellen von Gummi/Stahl-Schachtseilen
DE3133842C2 (de) Vorrichtung zum betriebsmäßigen Auf- und Abwickeln von Elektrokabel
EP0148571A2 (de) Seilwickeleinrichtung
DE3407504C2 (de) Vorrichtung zum spiralförmigen Aufwickeln des bandförmigen Tragmittels eines Hebezeuges
US4493169A (en) Rolling cover means for covering a guideway for a sliding carriage of a machine tool
DE3922862A1 (de) Korbverseilmaschine
US1186909A (en) Spooling device.
EP0752387B1 (de) Verfahren zum Aufwickeln mehrerer Halteseile und Hubwerk
EP2980003B1 (de) Winde mit einer kabelführungseinrichtung
CN112309642B (zh) 一种用于电缆生产的成缆绞合装置

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): BE CH DE FR IT LI NL SE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19860220

RIN1 Information on inventor provided before grant (corrected)

Inventor name: CAMPBELL, COLIN IAN

Inventor name: ALLEN, ROGER FREDERICK