EP0919513A1 - Vorrichtung zum Gespannthalten eines Kabels - Google Patents

Vorrichtung zum Gespannthalten eines Kabels Download PDF

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Publication number
EP0919513A1
EP0919513A1 EP98420193A EP98420193A EP0919513A1 EP 0919513 A1 EP0919513 A1 EP 0919513A1 EP 98420193 A EP98420193 A EP 98420193A EP 98420193 A EP98420193 A EP 98420193A EP 0919513 A1 EP0919513 A1 EP 0919513A1
Authority
EP
European Patent Office
Prior art keywords
cable
keeping
drum
under tension
pressure rollers
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
EP98420193A
Other languages
English (en)
French (fr)
Other versions
EP0919513B1 (de
Inventor
Gérard Piron
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.)
Reel SAS
Original Assignee
Reel 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 Reel SAS filed Critical Reel SAS
Publication of EP0919513A1 publication Critical patent/EP0919513A1/de
Application granted granted Critical
Publication of EP0919513B1 publication Critical patent/EP0919513B1/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
    • B66D1/28—Other constructional details
    • B66D1/40—Control devices
    • B66D1/48—Control devices automatic
    • B66D1/50—Control devices automatic for maintaining predetermined rope, cable, or chain tension, e.g. in ropes or cables for towing craft, in chains for anchors; Warping or mooring winch-cable tension control

Definitions

  • the invention relates to a device intended to keep a cable under tension, in particular during its winding, and especially on a winch drum.
  • the apparatus and devices used generally consist of of one or more cables, wound on a drum, said drum being rotated at by means of a motor, generally electric.
  • the drum is grooved, that is to say that it has a groove in diameter substantially equivalent to the diameter of the cable, produced at its periphery in a spiral, and that the winch is equipped with a cutting device, that is to say a device moving parallel to the axis of rotation of the drum as the winding of the cable, in a known manner, to achieve a uniform winding, the insufficient tension to precisely accommodate in said groove the cable intended to be there received or, in the case of multilayer windings, to ensure positioning regular cable corresponding to the correct pitch.
  • a cutting device that is to say a device moving parallel to the axis of rotation of the drum as the winding of the cable, in a known manner, to achieve a uniform winding, the insufficient tension to precisely accommodate in said groove the cable intended to be there received or, in the case of multilayer windings, to ensure positioning regular cable corresponding to the correct pitch.
  • the object of the invention is to propose a device capable of ensuring the tension of the cable. during its winding by the creation of a resistant force, in the same direction as the tension exerted by the drum on the cable, but in the opposite direction.
  • This force is of much lower intensity than the nominal pulling capacity of the cable. It is subjected to this force continuously, including during the lateral movement of the cable in order to achieve a uniform distribution of the first layer or upper layers, especially when a cutting member is used.
  • the device according to the invention is intended to generate a force resistant, upstream of the winch or lifting device, and whose intensity is adjustable by the implementation of a brake.
  • the device according to the invention is mounted on a cutting member and movable in synchronism with it, such so as to continuously generate the resistive force, whatever the lateral positioning of the cable relative to the drum at which it is intended to to be rolled up.
  • the rollers comprise several sets, coupled together and are connected to the braking member directly or via a bevel gear.
  • the braking member is constituted by a system hydraulic consisting of one or more gear pumps directly coupled to the axes of the rollers or on the intermediate transmission member, constituted for example by a bevel gear.
  • These pumps supply a hydraulic circuit, one of the branches of which is provided with a adjustable throttle, ensuring flow limitation, and therefore, allow generation of the cable retaining force.
  • This circuit branch can be short-circuited by means of a solenoid valve, in the event that the creation of tension is not necessary or, during the course of the cable.
  • the braking member is constituted by a system of powder couplers, connected directly or indirectly to the axes of the pressure rollers, said couplers being electrically supplied with current of suitable intensity in order to generate an adequate resistive torque, function of the tension that we want to create at the cable level.
  • FIG. 1 a top view of the device according to the invention.
  • This device is advantageously mounted on the cutting body (17) of a winch, and more generally of a lifting or hauling device with cable (s). So known and as already specified, such a cutting member is intended to move parallel to the generator of the drum at which it is intended to come and wind the cable, and thus sweep the entire length of said drum, in order to achieve a regular winding of the cable at the drum.
  • the cable, bearing the reference (1) is oriented, and centered relative to the member intended to exert on it a resistant force opposing the tension exerted by the drum, in the vertical plane, and horizontal, by means of input rollers, respectively (2) and (3), mounted free in rotation on respective axes (4) and (5).
  • the cable (1) is taken up at the outlet of the device according to the invention by a set also of two vertical (6) and horizontal (7) rollers, also mounted free in rotation, and intended to ensure the continuity of the direction given to the cable in direction of the drum, called to receive it.
  • the device described is intended for exert a resistant force on the cable, tending to oppose the tension force exerted by the drum on it.
  • the cable is received at pressure devices, and typically pressure rollers (8) and (9), mounted in pairs, as can be observe it in FIG. 1.
  • These pressure rollers (8, 9) are positioned in the same plane and have a common tangency zone, as can be observed, in particular in FIG. 3.
  • These pressure rollers have a groove (10) of compatible diameter with the diameter of the cable (1), so as to present the largest contact surface possible when said cable (1) is received between the two rollers (8) of the same torque.
  • rollers are made of materials with a relatively high coefficient of friction, such as polyurethane example to limit the risk of slipping and therefore increase the adhesion of said rollers at the level of the cable, therefore the effectiveness of the braking member associated with the device according to the invention.
  • the pressure rollers (8) and (9) are capable of rotating relative to of these respective parallels, and said these of the same pair (8) (9) being coupled to a synchronization axis (11), also parallel to the axes of the rollers (8) and (9) by means chains (12), meshing in pinions (13) formed at the axes respective (see Figure 3).
  • rollers (8) and (9), by this coupling, can only rotate at the same speed.
  • the axis (11) is coupled with an angle deflection device (14) (FIG. 3), intended for transform the vertical direction of the axis (11) into a horizontal direction according to a new axis (15).
  • an angle deflection device (14) FIG. 3
  • such couplers are electrically powered, so as to generate an electrical torque at the level of the constituent discs of said couplers which, depending on the direction of the current, are capable of ensuring a resistant torque on the axis (15) and therefore, on the axis (11), therefore consequently, on the rollers (8) and (9).
  • a fan (not shown) is associated with each of them to ensure its cooling.
  • each of these (11) is coupled to the by means of a gear with one or more pumps.
  • These pumps supply a circuit hydraulic, with a throttle adjustable in diameter, ensuring flow limitation, and therefore exerting an obstacle to the free rotation of the pump gears, and therefore axes (11), therefore, as a result of the pressure rollers (8) and (9), so generating the resistive force at the level of the cable (1) opposing the tensile force exerted by the drum.
  • the circuit also comprises a short-circuit branch supplied by means of a solenoid valve, when the creation of this resistance force is not necessary, i.e. in case of winding under load, or unwinding of the cable.
  • the active branch of hydraulic systems is equipped with a radiator for evacuating the developed heat energy, this radiator being associated with a fan calibrated accordingly.
  • This device is particularly simple to implement and to realize and can be very easily mount on the slicing device which associates in a traditional way winches.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)
EP19980420193 1997-10-21 1998-10-21 Vorrichtung zum Gespannthalten eines Kabels Expired - Lifetime EP0919513B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9713405A FR2769907B1 (fr) 1997-10-21 1997-10-21 Dispositif de maintien sous tension d'un cable
FR9713405 1997-10-21

Publications (2)

Publication Number Publication Date
EP0919513A1 true EP0919513A1 (de) 1999-06-02
EP0919513B1 EP0919513B1 (de) 2004-05-12

Family

ID=9512652

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19980420193 Expired - Lifetime EP0919513B1 (de) 1997-10-21 1998-10-21 Vorrichtung zum Gespannthalten eines Kabels

Country Status (4)

Country Link
EP (1) EP0919513B1 (de)
DE (1) DE69823778T2 (de)
ES (1) ES2218790T3 (de)
FR (1) FR2769907B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103601091A (zh) * 2013-11-25 2014-02-26 江苏科技大学 一种柔性排缆机构的缆绳直径速度测量及导向装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2900141B3 (fr) 2006-04-21 2008-07-11 Paillardet S A Sa Treuil de levage

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3618840A (en) * 1968-12-31 1971-11-09 France Etat Endless track devices for laying cables and the like
US4033496A (en) * 1975-01-13 1977-07-05 The Post Office Apparatus for hauling cables or other elongate bodies
GB2037693A (en) * 1978-12-21 1980-07-16 Standard Telephones Cables Ltd Cable handling apparatus
US4508251A (en) * 1982-10-26 1985-04-02 Nippon Telegraph And Telephone Public Corp. Cable pulling/feeding apparatus
US5009353A (en) * 1990-02-01 1991-04-23 Lake Shore, Inc. Cable tensioning device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3618840A (en) * 1968-12-31 1971-11-09 France Etat Endless track devices for laying cables and the like
US4033496A (en) * 1975-01-13 1977-07-05 The Post Office Apparatus for hauling cables or other elongate bodies
GB2037693A (en) * 1978-12-21 1980-07-16 Standard Telephones Cables Ltd Cable handling apparatus
US4508251A (en) * 1982-10-26 1985-04-02 Nippon Telegraph And Telephone Public Corp. Cable pulling/feeding apparatus
US5009353A (en) * 1990-02-01 1991-04-23 Lake Shore, Inc. Cable tensioning device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103601091A (zh) * 2013-11-25 2014-02-26 江苏科技大学 一种柔性排缆机构的缆绳直径速度测量及导向装置

Also Published As

Publication number Publication date
FR2769907B1 (fr) 2000-01-07
ES2218790T3 (es) 2004-11-16
FR2769907A1 (fr) 1999-04-23
DE69823778D1 (de) 2004-06-17
EP0919513B1 (de) 2004-05-12
DE69823778T2 (de) 2005-04-28

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