WO2005019088A1 - Retaining device for a cable - Google Patents
Retaining device for a cable Download PDFInfo
- Publication number
- WO2005019088A1 WO2005019088A1 PCT/NL2004/000561 NL2004000561W WO2005019088A1 WO 2005019088 A1 WO2005019088 A1 WO 2005019088A1 NL 2004000561 W NL2004000561 W NL 2004000561W WO 2005019088 A1 WO2005019088 A1 WO 2005019088A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- drum
- cable
- retaining device
- axis
- casing face
- Prior art date
Links
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
- the present invention relates to a retaining device for a cable, comprising a drum for containing at least two windings of the cable on the casing face thereof, said drum being mounted on bearings such that it can rotate.
- a retaining device of this type is generally known in the state of the art. With a rotating drum a cable can be pulled tight or paid out again. Such drums are used in particular in shipping, such as on tugs or other vessels. When the cable is under tension and when paying out thereof, high 'pinching forces' with respect to underlying cable are produced in the cable wound around the drum, which forces reduce the strength and life of the cable. In view of the relatively large diameter of the drum (and thus long stretch of outgoing cable) high forces are needed to hold the cable under full load and also to pull the cable.
- the aim of the present invention is to provide a retaining device for a cable with which it is possible to apply a high retaining force, that is to say a high torque, to the drum using a relatively small brake/locking system and a simple drum.
- At least one location on the periphery of the casing face is essentially coincident with the axis of rotation of said bearings. Essentially must be understood to mean that there can be some distance because of the diameter of the drive shaft. According to an advantageous embodiment of the invention, preferably when used on tugs with towing installations that can rotate 360° in the horizontal plane, the axis of rotation will preferably be essentially vertical.
- the casing face is cylindrical and more particularly circular cylindrical, hi order to increase the retaining force on the cable, grooves are made on (a part of) the casing face to accommodate the cable.
- the retaining force can be increased to a higher percentage of the tensile strength of the cable. Up to 95 % of the breaking strength of the non-bent cable has been found possible when an optimum diameter of the drum is chosen.
- the surface of the casing face is made rougher or provided with other materials with a higher coefficient of friction to make the friction between the casing face and the cable greater.
- the drum consists of an eccentric part and of a centric part, a guide system being able to guide the cable from the one part to the other. With this arrangement it is possible to guide the cable on the centric part when hauling in and paying out and to direct the cable around the eccentric part only when holding.
- the separation between these parts can be constructed as a partitioning board provided with an opening 10 - 25 % of the circumference in size.
- the drum is not only constructed as a retaining device for the cable but also as a store.
- the part for storage of the cable would usually be positioned centrically with respect to the axis of rotation.
- a separate part of the drum that is above or below the retaining device will be used for this purpose.
- the invention also relates to a winch system where storage of the cable is separated from the retaining device. This storage is some distance away and can be effected in a wide variety of ways, including storage on a single drum, storage around a system of several drums, stored in storage system, etc. The invention will be explained in more detail below with reference to an illustrative embodiment shown in the drawing. In the drawing: Fig.
- FIG. 1 shows, diagrammatically, the retaining device according to the invention in combination with a separate cable store
- Fig. 2 shows a bottom view of the retaining device according to the invention
- Fig. 3 shows, diagrammatically, the retaining device according to another variant of the invention in combination with a separate cable store.
- the retaining device according to the invention is indicated by 1.
- This consists of a drum 2 that is driven by a motor 10 and brake/locking system 20 and 21.
- the bearing for the construction is indicated by 9 but it will be understood that any other bearing can be used.
- Drum 2 is of circular cylindrical construction with an axis 11.
- the circular cylindrical storage drum 14 with an axis 12 is fixed on top of drum 2. h the illustrative embodiment shown the axis of the storage drum 14 is coincident with axis 12.
- the drum 2 On the casing face 13, the drum 2 is provided with peripheral grooves 3 for accommodating two windings of cable 4. 5 indicates a cable guide that can be moved up and down in the direction of arrow 6 in order to guide the cable into the groove in the correct manner or to guide the cable from the drum 2 to the storage drum 14 and vice versa.
- a rim 20 on which, highly diagrammatically, a brake block 21 can engage extends downwards from the bottom part of drum 2.
- the drum is shown in the position in which the highest tensile force can be delivered. It can be seen that the axis 12 is essentially coincident with the casing face 13, so that the maximum pulling or paying out force can be exerted on the cable 4 with the aid of a motor 10.
- Another variant of the invention with a separate storage drum 7 is shown in Fig. 3.
- the cable 4 first runs round the circular cylindrical drum 2 with axis 11, then a number of layers around the circular cylindrical part with axis 12 and then continues to the separate storage drum 7.
- the axis of the top drum is coincident with axis 12.
- this part it is also possible to arrange for this part to be coincident with axis
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/567,458 US20060226278A1 (en) | 2003-08-11 | 2004-08-10 | Retraining device for a cable |
EP04774868A EP1654186A1 (en) | 2003-08-11 | 2004-08-10 | Retaining device for a cable |
AU2004266984A AU2004266984A1 (en) | 2003-08-11 | 2004-08-10 | Retaining device for a cable |
BRPI0413510-5A BRPI0413510A (en) | 2003-08-11 | 2004-08-10 | winch system comprising a cable retaining device and tug |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1024079 | 2003-08-11 | ||
NL1024079A NL1024079C1 (en) | 2003-08-11 | 2003-08-11 | Retaining device for a cable. |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005019088A1 true WO2005019088A1 (en) | 2005-03-03 |
Family
ID=34214840
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/NL2004/000561 WO2005019088A1 (en) | 2003-08-11 | 2004-08-10 | Retaining device for a cable |
Country Status (6)
Country | Link |
---|---|
US (1) | US20060226278A1 (en) |
EP (1) | EP1654186A1 (en) |
AU (1) | AU2004266984A1 (en) |
BR (1) | BRPI0413510A (en) |
NL (1) | NL1024079C1 (en) |
WO (1) | WO2005019088A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL2011226C2 (en) * | 2013-07-26 | 2015-01-27 | Novatug Holding B V | Retaining device for a cable, winch control arrangement comprising such a retaining device and method for operating such a winch control arrangement. |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7909308B2 (en) * | 2007-04-19 | 2011-03-22 | Sikorsky Aircraft Corporation | Winch system for VTOL aircraft |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1621714A (en) * | 1926-02-12 | 1927-03-22 | Joseph G Dyer | Bull-wheel attachment |
DE3149589A1 (en) * | 1981-12-15 | 1983-06-23 | Stetter Gmbh, 8940 Memmingen | Rope drum for a rope winch of a hoisting machine |
GB2296229A (en) * | 1994-12-20 | 1996-06-26 | Alform Extrusions Ltd | Winding drum |
WO2001030650A1 (en) * | 1999-09-03 | 2001-05-03 | Novatug, B.V. | Design for tugboat |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO434273L (en) * | 1973-11-13 | 1975-06-09 | Hydraulik Brattvaag As | |
WO2003104613A2 (en) * | 2002-06-06 | 2003-12-18 | Hill Gilman A | Deep-well, continuous-coiled-tubing apparatus and method of use |
US7364136B2 (en) * | 2005-07-15 | 2008-04-29 | Tiffin Scenic Studios, Inc. | Hoist assembly |
-
2003
- 2003-08-11 NL NL1024079A patent/NL1024079C1/en not_active IP Right Cessation
-
2004
- 2004-08-10 EP EP04774868A patent/EP1654186A1/en not_active Withdrawn
- 2004-08-10 AU AU2004266984A patent/AU2004266984A1/en not_active Abandoned
- 2004-08-10 WO PCT/NL2004/000561 patent/WO2005019088A1/en active Search and Examination
- 2004-08-10 US US10/567,458 patent/US20060226278A1/en not_active Abandoned
- 2004-08-10 BR BRPI0413510-5A patent/BRPI0413510A/en not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1621714A (en) * | 1926-02-12 | 1927-03-22 | Joseph G Dyer | Bull-wheel attachment |
DE3149589A1 (en) * | 1981-12-15 | 1983-06-23 | Stetter Gmbh, 8940 Memmingen | Rope drum for a rope winch of a hoisting machine |
GB2296229A (en) * | 1994-12-20 | 1996-06-26 | Alform Extrusions Ltd | Winding drum |
WO2001030650A1 (en) * | 1999-09-03 | 2001-05-03 | Novatug, B.V. | Design for tugboat |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL2011226C2 (en) * | 2013-07-26 | 2015-01-27 | Novatug Holding B V | Retaining device for a cable, winch control arrangement comprising such a retaining device and method for operating such a winch control arrangement. |
WO2015012691A1 (en) * | 2013-07-26 | 2015-01-29 | Novatug Holding B.V. | Winch control arrangement comprising a retaining device for a cable and method for operating such an arrangement |
US9890021B2 (en) | 2013-07-26 | 2018-02-13 | Novatug Holding B.V. | Winch control arrangement comprising a retaining device for a cable and method for operating such an arrangement |
Also Published As
Publication number | Publication date |
---|---|
US20060226278A1 (en) | 2006-10-12 |
NL1024079C1 (en) | 2005-02-14 |
AU2004266984A1 (en) | 2005-03-03 |
EP1654186A1 (en) | 2006-05-10 |
BRPI0413510A (en) | 2006-10-10 |
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