EP0190248B1 - Appareil d'enroulement de cable - Google Patents

Appareil d'enroulement de cable Download PDF

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Publication number
EP0190248B1
EP0190248B1 EP85903862A EP85903862A EP0190248B1 EP 0190248 B1 EP0190248 B1 EP 0190248B1 EP 85903862 A EP85903862 A EP 85903862A EP 85903862 A EP85903862 A EP 85903862A EP 0190248 B1 EP0190248 B1 EP 0190248B1
Authority
EP
European Patent Office
Prior art keywords
cable
drum
grooves
winding apparatus
primary grooves
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
Application number
EP85903862A
Other languages
German (de)
English (en)
Other versions
EP0190248A1 (fr
Inventor
Colin Peter John Dickenson
Philip Sydney Dixon
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.)
LEBUS INTERNATIONAL ENGINEERS Ltd
Original Assignee
LEBUS INTERNATIONAL ENGINEERS 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 LEBUS INTERNATIONAL ENGINEERS Ltd filed Critical LEBUS INTERNATIONAL ENGINEERS Ltd
Priority to AT85903862T priority Critical patent/ATE35805T1/de
Publication of EP0190248A1 publication Critical patent/EP0190248A1/fr
Application granted granted Critical
Publication of EP0190248B1 publication Critical patent/EP0190248B1/fr
Expired 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
    • B66D1/28—Other constructional details
    • B66D1/30—Rope, cable, or chain drums or barrels

Definitions

  • This invention relates to cable winding apparatus.
  • the apparatus is suitable for receiving and dispensing substantially any type of wire cable, electric lines, rope, cored and the like (hereinafter referred to collectively as "cable").
  • Cable winding apparatus of various kinds is known and in common use. Such apparatus is used in the oil field industry, both offshore and land based, and also for general marine equipment. Other applications include crane, winch and vehicle-mounted systems. The apparatus according to the present invention is suitable for use in all of these fields.
  • Some of the disadvantages referred to above can be avoided by attaching the innermost end of the cable to a tail line which is of smaller diameter than the cable and has a relatively low load bearing capacity.
  • the main hoist rope or cable may thus be allowed to pass freely through the rigging system of the machine, followed by the attached secondary rope or tail line, which can ultimately be allowed to break free from the drum anchorage once sufficient cable and tail line have run through clear of the machine.
  • the tail line controls the passage of the cable by maintaining a tension in the cable as it passes through the reeving system, and the tail line has a substantially lower breaking strength compared with the load bearing capacity of the machine upon which it is mounted.
  • the small tail line can be utilised to feed the cable more easily through the rigging sheaves or reeving system of the machine upon which the drum is employed.
  • the invention moreover simplifies the accommodation of the tail line or cable when wound on or off a drum arranged to accommodate one or more layers of cable.
  • DE-B-1 174 036 discloses a cable winding apparatus comprising a cylindrical drum adapted to hold a plurality of layers of cable wound thereon, the drum having circumferential primary grooves around at least part of its periphery for accommodating the innermost layer of cable, the drum also having secondary grooves of smaller diameter than the primary grooves and adapted to accommodate a tail line attached to the innermost end of the cable but of correspondingly smaller diameter.
  • the invention provides cable winding apparatus comprising a cylindrical drum adapted to hold a plurality of layers of cable wound thereon, the drum having circumferential primary grooves around at least part of its periphery for accommodating the innermost layer of cable, and secondary grooves of smaller diameter than the primary grooves and adapted to accommodate a tail line attached to the innermost end of the cable but of correspondingly smaller diameter, characterised in that the secondary grooves are formed in the base of the primary grooves, such that the innermost layer of cable will unwind progressively from a first end of the drum to the opposite second end and, after unwinding of the cable, the tail line will unwind progressively from the second end of the first end of the drum.
  • the invention preferably provides cable winding apparatus as defined above wherein the tail line is attached at one end to the drum, has a lower load-bearing capacity than the cable and is adapted to snap under stress or to pull free from the drum having unwound to its full extent.
  • the provision of the secondary grooves for the tail line, indicated above, is applicable for various designs of the circumferential primary grooves.
  • two sets of diametrically opposed circumferential primary grooves are provided on the periphery of the drum and positioned parallel to the ends of the drum.
  • the grooves of one set are disposed side-by-side but displaced relatively to the grooves of the other set.
  • These two sets of main or primary grooves are each of a length less than half the circumference of the drum, thereby providing a pair of axially extending diametrically opposed cable control zones on the periphery of the drum.
  • the secondary smaller grooves are formed in the base of the main grooves described above, the secondary grooves being formed in the opposite direction across the barrel width to that of the main grooves, i.e. if the main groove is righthand wound, then the secondary groove is left-hand wound, and vice versa. This relationship remains the same whether the drum is overwound or underwound with cable.
  • the tail line groove runs from a starting position determined by the length of tail line required following a path through the bottom of the primary groove but in opposing direction with crossover sections of the groove coinciding at two radially opposing areas around the drum.
  • the secondary groove runs into the main groove at a predetermined position adjacent to one flange.
  • grooves described above may be integrally applied onto the drum core or barrel.
  • the grooving may be applied to a plain barrel as an additional split wrapper, sometimes known as lagging or sleeve, around the main drum.
  • the drawings show a drum 1 having an arrangement of circumferential primary grooves 2 designed for controlled cable spooling.
  • This arrangement of the primary grooves is known in itself and is described for example in GB-A-776007.
  • the primary grooves are arranged in two diametrically opposed sets each parallel to the ends of the drum, but one set being displaced axially with respect to the other set by one half the width of the grooves.
  • Each set of grooves is of a length less than half the circumference of the drum, so there is provided a pair of axially extending, diametrically opposed cable control zones 3 on the periphery of the drum.
  • control zones may be plain, or as actually shown in the drawings may be provided with a set of helical grooves which communicate between the adjacent ends of the two main sets of grooves.
  • end fillers 4 are provided at both ends of the drum to guide the cable between the two sets of primary grooves, and hence obtain controlled spooling.
  • the cable is shifted axially by a half pitch.
  • the secondary grooves 5 there is formed in the base of the primary grooves the secondary grooves 5. These are of smaller diameter than the primary grooves, and correspond to the diameter of the tail line, which is correspondingly of smaller diameter than the cable.
  • the grooving of the secondary grooves is of the opposite hand to that of the primary grooves. This is achieved by machining the secondary grooves so that they crossover the primary grooves in the region 3 of the two sets of helical grooves. Two sets of crossover points therefore coincide on diametrically opposite sides of the drum.
  • the cable is joined to the tail line in the region where the secondary groove 5 commences, near the end of the cable starting end filler:
  • the joints between the cable and the tail line is desirably as short as possible to minimise the unsupported length of the second layer of cable.
  • the secondary groove 5 then passes, in opposite hand to the main groove, to the opposite end of the drum where the tail line passes through the drum barrel and is secured in known manner, alternatively at a point along the width of the barrel determined by the length of tail line required.
  • the above arrangement is of assistance in winding the cable through associated reeving systems and onto the drum.
  • the tail line is first passed through to the drum and is secured to the side of the drum near one end of the secondary groove.
  • the drum can then be rotated and first the tail line and then the cable are wound onto the drum in controlled manner.
  • the cable becomes snagged or attached to a runaway load
  • the following safety features of the invention come into operation.
  • the cable is allowed to run out freely through the reeving system and is maintained under tension because it is attached to the tail line.
  • the tail line then in turn passes through the reeving until it is either completely unwound from the drum or snaps under stress, as it has a substantially lower breaking strength than the load bearing capacity of the drum and associated apparatus.
  • the cable winding apparatus itself remains substantially undamaged.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Manufacturing Of Electric Cables (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Insulated Conductors (AREA)
  • Manufacture Of Tobacco Products (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Peptides Or Proteins (AREA)

Claims (5)

1. Appareil d'enroulement de câble comprenant un tambour cylindrique (1) adapté pour retenir une pluralité de couches de câble enroulées sur lui, le tambour comportant des rainures primaires circonférentielles (2) autour d'au moins une partie de sa périphérie pour recevoir la couche limite intérieure de câble, et des rainures secondaires (5) de diamètre plus petit que les rainures primaires et adaptées-pour recevoir un filin de queue fixé à l'extrémité intérieure du câble mais d'un diamètre plus petit en correspondance, caractérisé en ce que les rainures secondaires (5) sont formées dans la base des rainures primaires (2), de telle sorte que la couche limite intérieure de câble soit déroulée progressivement depuis une première extrémité du tambour jusqu'à la seconde extrémité opposée et que, après le déroulement du câble, le filin de queue soit déroulé progressivement depuis la seconde extrémité jusqu'à la première extrémité du tambour.
2. Appareil d'enroulement de câble selon la revendication 1, caractérisé en ce que le filin de queue est fixé par une extrémité sur le tambour (1), a une capacité de portance de charge inférieure à celle du câble et est adapté pour casser sous contrainte ou pour être séparé librement du tambour après avoir été déroulé au degré maximal.
3. Appareil d'enroulement de câble selon la revendication 2, dans lequel les rainures primaires (2) sont réparties dans deux ensembles diamétralement opposés et sont positionnées parallèlement aux extrémités du tambour (1), les rainures d'un ensemble étant disposées côte à côte mais décalées axialement par rapport aux rainures de l'ensemble opposé, et chacun des deux ensembles ayant une longueur inférieure à la moitié de la circonférence du tambour de façon à former sur la périphérie du tambour une paire de zones de contrôle de câble (3) diamétralement opposés et s'étendant axialement.
4. Appareil d'enroulement de câble selon la revendication 3, dans lequel des rainures primaires hélicoïdales (21) sont formées dans les zones de contrôle de câble (3) de manière à établir une communication entre les extrémités adjacentes des deux ensembles de rainures primaires parallèles et à décaler le câble axialement d'un demi-pas.
5. Appareil d'enroulement de câble selon la revendication 4, dans lequel des rainures secondaires (5) croisent les rainures primaires (2) dans les zones de rainurage hélicoïdales.
EP85903862A 1984-08-06 1985-08-06 Appareil d'enroulement de cable Expired EP0190248B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85903862T ATE35805T1 (de) 1984-08-06 1985-08-06 Seilaufwickelvorrichtung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB08419964A GB2162811B (en) 1984-08-06 1984-08-06 Cable winding apparatus
GB8419964 1984-08-06

Publications (2)

Publication Number Publication Date
EP0190248A1 EP0190248A1 (fr) 1986-08-13
EP0190248B1 true EP0190248B1 (fr) 1988-07-20

Family

ID=10564975

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85903862A Expired EP0190248B1 (fr) 1984-08-06 1985-08-06 Appareil d'enroulement de cable

Country Status (8)

Country Link
EP (1) EP0190248B1 (fr)
AT (1) ATE35805T1 (fr)
DE (1) DE3563842D1 (fr)
DK (1) DK153022C (fr)
FI (1) FI79822C (fr)
GB (1) GB2162811B (fr)
NO (1) NO163482C (fr)
WO (1) WO1986001189A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10132611A1 (de) 2001-07-05 2003-01-30 Rotzler Gmbh Co Seiltrommel

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191511451A (en) * 1915-08-09 1916-05-25 William Varley Dewhurst Improvements in or relating to Colliery and the like Winding Drums or Rollers.
GB121357A (en) * 1917-12-15 1918-12-16 Jacob Stuart Sparkes Improvements in or relating to the Attachment of Winding Ropes to their Drums or their Relative Adjustment thereto.
FR1051618A (fr) * 1952-02-12 1954-01-18 Dispositif de sécurité pour systèmes de liaison par câbles
GB737352A (en) * 1953-08-31 1955-09-21 Franklin Leyburn Le Bus Sr Cable spool winding
GB776007A (en) * 1954-09-30 1957-05-29 George Franklin Le Bus Sr Improvements in cable winding apparatus
DE1174036B (de) * 1963-02-08 1964-07-16 Pohlig Heckel Bleichert Schliessseil fuer einen Greifer
US3809334A (en) * 1972-11-06 1974-05-07 United Aircraft Corp Winch system for helicopter
NL8300912A (nl) * 1983-03-14 1984-10-01 Philips Franciscus Maria Samenstel van hijstrommel en hijskabel voor een hefinrichting.

Also Published As

Publication number Publication date
GB2162811B (en) 1987-10-14
GB2162811A (en) 1986-02-12
DK155786A (da) 1986-04-04
NO163482C (no) 1990-06-06
DK153022B (da) 1988-06-06
DK155786D0 (da) 1986-04-04
FI79822C (fi) 1990-03-12
FI79822B (fi) 1989-11-30
NO163482B (no) 1990-02-26
DE3563842D1 (en) 1988-08-25
NO861327L (no) 1986-04-04
FI861116A (fi) 1986-03-18
EP0190248A1 (fr) 1986-08-13
DK153022C (da) 1988-10-31
GB8419964D0 (en) 1984-09-12
ATE35805T1 (de) 1988-08-15
FI861116A0 (fi) 1986-03-18
WO1986001189A1 (fr) 1986-02-27

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