WO2012014022A2 - Dispositif d'ancrage d'un cable sur un support - Google Patents
Dispositif d'ancrage d'un cable sur un support Download PDFInfo
- Publication number
- WO2012014022A2 WO2012014022A2 PCT/IB2011/000847 IB2011000847W WO2012014022A2 WO 2012014022 A2 WO2012014022 A2 WO 2012014022A2 IB 2011000847 W IB2011000847 W IB 2011000847W WO 2012014022 A2 WO2012014022 A2 WO 2012014022A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cable
- wall
- winding
- anchoring device
- zone
- 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.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/04—Arrangements or devices for relieving mechanical tension
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
- G02B6/48—Overhead installation
- G02B6/483—Installation of aerial type
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/4457—Bobbins; Reels
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
- H02G7/053—Suspension clamps and clips for electric overhead lines not suspended to a supporting wire
- H02G7/056—Dead-end clamps
Definitions
- the present invention relates to a device for anchoring a cable to a support, and an assembly comprising such an anchoring device and a cable, in particular a telecommunications cable.
- the invention is particularly applicable to the anchoring of small diameter cables, having a minimum radius of curvature and having a weak mechanical structure.
- This type of cable may typically be a cable comprising at least one optical fiber placed in a protective sheath, and in particular an FTTH fiber optic cable ("fiber to the home", that is to say "fiber up to home ").
- the present invention aims to overcome the disadvantages mentioned above, by providing an anchoring device that meets the specific constraints of fiber optic cables, particularly fragile, and allows their anchoring on a support without risk of damage to the cable.
- the invention relates to a device for anchoring a cable to a support, comprising on the one hand a body intended to receive a cable and having a an entrance zone and an exit zone of the cable, and secondly a means of fixing the body to the support, in which the body comprises:
- a drum Between the input and output areas, a drum whose peripheral wall forms a substantially cylindrical winding wall around which the cable is intended to be wound on at least one turn;
- the means for fastening the body comprise a loop capable of forming with the body a closed loop that can trap a part of the support, the loop comprising a first end fixed to the outer wall of the body and a second free end having a head adapted to be releasably engaged in a housing formed in the body within the drum.
- the cable is placed in the holding means provided on the body, which maintain the portion of the cable with which they are in contact without causing a pinching or compression of this portion.
- These means constitute a cable resistance primer that does not slip relative to the body and can therefore be wound, preferably on at least two turns, around the substantially cylindrical winding wall. It is the winding which ensures the self-locking of the cable relative to the body, and not the holding means.
- These holding means are preferably located at a distance from the winding wall and cooperate with a localized portion of the cable, for example with a part of an annular zone of the surface of the cable having a length - along the axis of the cable - On the order of 1 to 3 mm.
- the anchoring device according to the invention therefore allows a cable lock on the body without crushing the cable, that is to say without strong compression that would lead to radial deformation or flattening of the cable.
- Fiber optic cables and more generally light construction cables, require the participation of all their mechanically resistant components (aramid fiber, micro tube, etc.) to support the expected tensile forces.
- the invention is not based on an action of radial clamping of the cable intended to make the anchoring device, the sheath and the internal components of the cable integral. According to the invention, the sliding resistance of the cable and the internal mechanical connection of the components are only ensured by self-locking and self-tightening due to winding, in the absence of radial compression on the cable.
- Another advantage of the invention lies in the fact that it is possible to adjust the tension of the cable with ease and precision never achieved with the known anchoring devices.
- the fixing loop whose head at one end can be fixed in a housing inside the drum makes it possible to ensure the connection with the support and to share the transfer of forces on the drum and on the outer wall of the body.
- This arrangement allows to collect very large traction forces without the body is deformed at the throat.
- the integrally molded plastic anchoring device the device can withstand tensile forces up to 200 daN.
- the head at one end of the handle can be fixed in the housing removably, it does not interfere with the introduction of the cable.
- the outer wall of the body is connected to the drum by a bottom wall and in which are formed the entry and exit areas of the cable; a substantially cylindrical groove for receiving the cable being thus defined between the peripheral wall of the drum, the outer wall of the body, and the bottom wall, the groove having an opening opposite to the bottom wall.
- the holding means are for example arranged in the entry zone or in the exit zone of the cable
- the inlet zone and the outlet zone are arranged to form cable guide passages substantially tangent to the winding wall.
- the holding means comprise two elastic lips vis-a-vis able to cooperate with the cable received in the body.
- the lips cooperate with the cable by friction, that is to say with a force that opposes sliding - at least in the absence of any voluntary traction on the cable to adjust the tension.
- the lips can create a very slight support on the surface of the cable, but under no circumstances cause radial compression of the cable.
- the lips are protruding for example from the outer wall of the body. They can also be inclined towards each other from their base towards their free end in contact with the cable.
- the exit zone may be spaced from the entry zone by an angle of between 90 ° and 180 ° in the winding direction.
- this spacing may be 90 °.
- the anchoring device may comprise flanges extending from the free edge of the outer wall of the body to the right of the groove to prevent the untimely exit of the cable out of the groove while allowing the insertion of the cable into the throat by the opening of the throat.
- the first end of the handle is removably attached to the outer wall of the body. This allows easy attachment of the loop on the body that can take place before or after the installation of the cable in the groove.
- the invention also relates to an assembly comprising an anchoring device as previously described and a cable comprising at least one optical fiber placed in a protective sheath.
- the diameter of the cable is between 3 and 6 mm and the diameter of the substantially cylindrical winding wall is between 40 and 80 mm, preferably between 50 and 70 mm, for example of the order of 60 mm. .
- the width of the groove in the body - that is to say the distance between the winding wall and the outer wall of the body - is preferably greater than the diameter of the cable so that it is not compressed radially. .
- the cable is for example wound on 2 to 4 turns around the winding wall. This number of turns ensures the blocking while limiting the size, the remaining cable housed in the groove.
- Figures 1 and 2 show an anchoring device according to a first embodiment of the invention, seen in perspective on two opposite sides;
- Figure 3 shows a cable anchored to a support by means of this anchoring device
- FIG. 4 is a perspective view of this anchoring device in which a cable is placed
- Figures 5 and 6 show an anchoring device according to a second embodiment of the invention, seen in perspective on two opposite sides;
- Figures 7 and 8 show the body of this anchoring device, seen in perspective on two opposite sides;
- Figure 9 is a perspective view of the attachment means to a support of the body of this anchoring device.
- Figures 1 to 4 illustrate an anchoring device 1 according to a first embodiment of the invention.
- the device 1 is here made in one piece, typically by molding a plastic material.
- the device 1 comprises first of all a body 2 having a generally cylindrical shape and of small thickness, of axis 3.
- the body 2 comprises a central drum 4 having a substantially cylindrical peripheral wall 5, of axis 3, and a wall transverse 6 substantially flat and disc-shaped.
- the drum 4 is hollow and open opposite the transverse wall 6 as seen in Figure 2. On its open side, the drum 4 has a circular edge 7.
- reinforcement ribs 8 can be provided in the inner volume of the drum 4.
- the diameter of the drum is typically between 40 and 80 mm, and is for example of the order of 60 mm.
- a bottom wall 9 in a ring extends from the circular edge 7 radially outwards, and substantially parallel to the transverse wall 6.
- the body 2 also has a substantially cylindrical outer wall 10 of axis 3.
- inside and outside are defined with respect to the axis 3, the elements described as interior being located closer to this axis than the elements described as exterior.
- a substantially cylindrical groove 11 for receiving a cable is thus defined between the peripheral wall 5 of the drum 4, the outer wall 10 of the body 2, and the bottom wall 9, the groove having an opening opposite to the bottom wall.
- the body 2 also comprises flanges 12 extending from the free edge 13 of the outer wall 10 of the body 2 to the right of the groove 11. These flanges 12 thus extend in the direction of the peripheral wall 5 of the drum 4 but not up to this wall 5. They are preferably designed to have a certain flexibility, for example by means of slots 13 formed in the outer wall 10 on either side of each flange 12. Thus, it is possible to inserting a cable into the groove 11 through the opening of the groove by elastically deforming the flanges 12, then these flanges 12 prevent the untimely exit of the cable from the groove 11.
- the outer wall 10 of the body 2 comprises two localized interrupts corresponding to an input zone 14 of one cable and the other to an exit zone 15 of this cable.
- the outer wall 10 is extended by walls forming guide channels 16 for a cable, oriented substantially tangentially to the outer wall 10. From the free edge of the walls of the corridors 16 extend two tongues 17 in opposite, separated by a slot 18, which allow to introduce a cable in the corridor 16 and, after its introduction, to prevent it from leaving the corridor 16 inadvertently.
- each of the walls of the passage 16 is extended, towards the outside of the body 2, by an elastic lip 19.
- the two lips 19 are arranged facing each other and are inclined towards each other. other from their base towards their free end 20.
- the device 1 further comprises a loop 21 which forms a means for fixing the body 2 to a support.
- the loop 21 has a U-shape and comprises a connecting branch 22, a first end 23 of which is connected to the outer wall 10 of the body 2 and the second end of which is connected by a bend 24 to a hooking branch 25.
- the two branches 22, 25 can be brought closer to each other because of the elasticity of the loop 21.
- the free end of the attachment branch 25 comprises an enlarged head 26 adapted to be engaged in a housing 27 formed in the body 2 and opening laterally into the transverse wall 6 of the drum 4.
- This housing 27 has a main portion 28 having dimensions sufficient to receive the head 26, extended by a slot 29 opening into the peripheral wall 5 of the drum 4, near the first end 23 of the handle 21.
- the slot 29 is adapted to receive the attachment branch 25 and has dimensions smaller than those of the head 26.
- the handle 21 is intended to be associated with an armament 30 itself attached to a pole 31, for example.
- the handle 21 passes through a hole of the armament 30 and is folded and fixed to the body 2, by locking the head 26 in the housing 27, alternatively, the handle 21 could be attached to a facade, for example to the way of a piton.
- the anchoring device 1 is intended to receive a cable 32 comprising at least one optical fiber 33 placed in a protective sheath 34.
- the diameter of the cable is typically between 3 and 6 mm.
- the cable 32 is inserted in the corridor 16 of the inlet zone 14, then wound in the groove 11, being introduced into this groove 11 through the opening thereof, and then passes in the corridor 16 of the zone 15.
- the cable 32 is maintained in the exit zone 15 between the lips 19. These lips 19 cooperate with the cable 32 preventing its sliding (unless an operator pulls on the cable) but without causing radial compression cable 32.
- the cable 32 is wound about 2 to 4 turns around the peripheral wall 5 of the drum 4 which forms a winding wall. This winding is made possible by the holding primer provided by the lips 19, which prevent the sliding of the cable 32 relative to the body 2. The cable 32 is then automatically blocked because it is wrapped around the drum 4.
- the drum 4 is dimensioned to respect the minimum radius of curvature of the fiber 33 in the wound position of the cable 32.
- an operator proceeds as follows.
- the adjustment in the direction of an increase in tension is effected by simultaneously pulling on the strands of the cable 32, by pushing towards the body 2 at the level of the entry zone 14 and by pulling towards the outside of the body 2 at the exit zone 15.
- the same operation, but inverted, makes it possible to obtain an adjustment in the direction of a decrease in the tension of the cable 32.
- the cable automatically locks.
- the input zone 14 and the loop 21 are arranged so that, in the anchored position, the cable 32 of the network is substantially horizontal.
- the exit zone 15 is spaced 90 ° from the inlet zone 14 in the direction of the winding (see FIG. 4).
- the cable 32 leaves the body 2 substantially vertically downward (see Figure 3).
- Figures 5 to 9 illustrate an anchoring device 1 according to a second embodiment of the invention.
- the device 1 is made in two parts, typically by molding a plastic material, namely the body 2 and the handle 21, which can be assembled to the body 2 removably.
- the body 2 comprises a housing 40 passing parallel to the axis 3 and having an oblong section. It is intended to receive the heads 41 formed at the two free ends of the branches of the loop 21 U. the handle 21 is therefore fit on both sides of the body 2, thus forming a loop enclosing part of the support, such as the arming 30 of FIG. 3.
- Parallel ribs 42 are provided on each side of the housing 40, on each lateral face of the body 2, to guide the branches of the handle 21 between them.
- the exit zone 15 is spaced 180 ° from the inlet zone 14 in the direction of the winding, being spaced therefrom by a distance close to the diameter. 2.
- the portion of the cable 32 coming out of the body 2 is therefore substantially parallel to the portion of the cable 32 entering the body 2, and oriented in the opposite direction.
- the retaining means preventing the sliding of the cable 32 are formed by lips 43 projecting towards each other in the passageway 16 formed in the exit zone 15 of the body 2.
- the lips 43 are oriented substantially perpendicular to the walls of said corridor 16. These lips 43 are able to cooperate with the cable 32 without crushing thereof.
- the invention provides a decisive improvement to the prior art, by providing a device anchoring a cable on a support that does not cause pinching or crushing of the cable and therefore does not risk damaging the fiber optical.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Electric Cable Arrangement Between Relatively Moving Parts (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2012146631/07A RU2012146631A (ru) | 2010-04-06 | 2011-04-07 | Анкерный зажим кабеля на опоре |
| BR112012015812A BR112012015812A2 (pt) | 2010-04-06 | 2011-04-07 | dispositivo de fixação de um cabo a um suporte e conjunto compreendendo um dispositivo de segurança |
| CN201180017911XA CN102870302A (zh) | 2011-04-07 | 2011-04-07 | 将电缆锚定在支撑体上的锚定装置 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR10/52578 | 2010-04-06 | ||
| FR1052578A FR2958461B1 (fr) | 2010-04-06 | 2010-04-06 | Dispositif d'ancrage d'un cable sur un support |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| WO2012014022A2 true WO2012014022A2 (fr) | 2012-02-02 |
| WO2012014022A3 WO2012014022A3 (fr) | 2012-04-12 |
| WO2012014022A8 WO2012014022A8 (fr) | 2013-11-28 |
Family
ID=43242234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/IB2011/000847 Ceased WO2012014022A2 (fr) | 2010-04-06 | 2011-04-07 | Dispositif d'ancrage d'un cable sur un support |
Country Status (5)
| Country | Link |
|---|---|
| BR (1) | BR112012015812A2 (fr) |
| FR (1) | FR2958461B1 (fr) |
| PT (1) | PT2012014022W (fr) |
| RU (1) | RU2012146631A (fr) |
| WO (1) | WO2012014022A2 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10935165B2 (en) | 2016-05-25 | 2021-03-02 | Preformed Line Products Co. | Support structure for supporting a cable |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3027467B1 (fr) * | 2014-10-21 | 2021-07-09 | Telenco Networks | Systeme de liaison d’un cable a un support |
| FR3029023B1 (fr) * | 2014-11-26 | 2017-01-13 | Saae Malico Connectors Int En Abrege Sm Ci | Dispositif d'ancrage pour ancrer un cable de diametre predetermine a un support |
| CN111181113A (zh) * | 2020-02-26 | 2020-05-19 | 广州番禺电缆集团有限公司 | 一种线缆承挂装置 |
| PL243881B1 (pl) * | 2021-06-17 | 2023-10-23 | Cellco Communications Spolka Z Ograniczona Odpowiedzialnoscia | Uchwyt na kabel |
| FR3138581B1 (fr) | 2022-08-01 | 2025-11-21 | Telenco Networks | Dispositif d’ancrage de câble |
| FR3138579A1 (fr) | 2022-08-01 | 2024-02-02 | Telenco Networks | Dispositif d’ancrage de câble |
| FR3138580A1 (fr) | 2022-09-26 | 2024-02-02 | Telenco Networks | Dispositif d’ancrage de câble |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009131893A2 (fr) | 2008-04-21 | 2009-10-29 | Adc Telecommunications, Inc. | Dispositif d'ancrage de câble |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2844111B1 (fr) * | 2002-09-03 | 2004-11-12 | Telenco Telecomm Engineering C | Pince d'ancrage pour cable de telecommunication |
| JP4335180B2 (ja) * | 2005-07-11 | 2009-09-30 | 東京電力株式会社 | 光ドロップケーブル用引留め具 |
| DE202009011365U1 (de) * | 2009-08-21 | 2009-11-12 | Johann Leidel Gmbh | Kabelhalter mit Zugentlastung |
-
2010
- 2010-04-06 FR FR1052578A patent/FR2958461B1/fr active Active
-
2011
- 2011-04-07 PT PT2011000847A patent/PT2012014022W/pt unknown
- 2011-04-07 WO PCT/IB2011/000847 patent/WO2012014022A2/fr not_active Ceased
- 2011-04-07 BR BR112012015812A patent/BR112012015812A2/pt not_active Application Discontinuation
- 2011-04-07 RU RU2012146631/07A patent/RU2012146631A/ru not_active Application Discontinuation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009131893A2 (fr) | 2008-04-21 | 2009-10-29 | Adc Telecommunications, Inc. | Dispositif d'ancrage de câble |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10935165B2 (en) | 2016-05-25 | 2021-03-02 | Preformed Line Products Co. | Support structure for supporting a cable |
| US11754203B2 (en) | 2016-05-25 | 2023-09-12 | Preformed Line Products Co. | Support structure for supporting a cable |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2958461B1 (fr) | 2012-11-16 |
| FR2958461A1 (fr) | 2011-10-07 |
| PT2012014022W (pt) | 2013-04-05 |
| BR112012015812A2 (pt) | 2016-06-07 |
| WO2012014022A8 (fr) | 2013-11-28 |
| WO2012014022A3 (fr) | 2012-04-12 |
| RU2012146631A (ru) | 2014-05-27 |
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