WO2002031939A1 - Chemin de cables - Google Patents

Chemin de cables Download PDF

Info

Publication number
WO2002031939A1
WO2002031939A1 PCT/GB2001/004501 GB0104501W WO0231939A1 WO 2002031939 A1 WO2002031939 A1 WO 2002031939A1 GB 0104501 W GB0104501 W GB 0104501W WO 0231939 A1 WO0231939 A1 WO 0231939A1
Authority
WO
WIPO (PCT)
Prior art keywords
cable tray
cable
valley section
lid
cables
Prior art date
Application number
PCT/GB2001/004501
Other languages
English (en)
Inventor
William S. Thorneycroft
Richard Swann
Geoffrey Cooper
Chesney Orme
Trevor Yoxall
Trevor Cawdron
Jeffrey Stephens
Len Gardiner
Original Assignee
Alan Dick & Co. 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 Alan Dick & Co. Ltd. filed Critical Alan Dick & Co. Ltd.
Priority to AU2001293980A priority Critical patent/AU2001293980A1/en
Publication of WO2002031939A1 publication Critical patent/WO2002031939A1/fr

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
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0437—Channels
    • 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
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
    • H02G3/0608—Joints for connecting non cylindrical conduits, e.g. channels
    • 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
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0406—Details thereof
    • H02G3/0418—Covers or lids; Their fastenings

Definitions

  • the present invention relates to a cable tray, which carries cables along a cable run, and in particular, to cable trays carrying feeder cables for power installations and cellular telecommunication base stations.
  • Known cable trays comprise elongate members of a U or square shaped cross section, the cable trays also having lids. Cables are positioned to extend through the elongate member and then a lid is fitted on the member so that cables are held within the channel of the U or square of the tray and are protected by the lid.
  • a disadvantage of this arrangement is that the cables may be held randomly within the tray and indeed can become twisted during installation. Any engineer therefore has to make careful checks to ensure that the cable he is working on, is in fact the correct cable. Tracing cables back to the outlet to which they are connected can be both time consuming and prone to errors, as the lids may have to be taken off each section of trunking before a cable can be traced. Further if cables are attached to pre-set fixings in a tray, because of the weight of the cables, can add to difficulties in installation.
  • An aim of the present invention is to provide a cable tray which is simple to install and which provides a means whereby cables can be positioned with reasonable accuracy in a cable tray.
  • a first aspect of the invention consists in a cable tray having a valley section, in which one of more cables can be placed, wherein the valley section has a spaced array of fixing locators for receiving cable holding means when positioned in the valley section.
  • the valley section may comprise a base and a pair of upwardly extending spaced walls.
  • the spaced array of fixing locations comprises a first set of fixing points spaced in side-by-side relationship across the valley section, followed by, in a longitudinal axis of the cable tray, a further set of fixing points, which line up with spacings between the first set of fixing points.
  • three fixing points provide the first set of fixing locations, followed by two fixing points forming the second set .
  • each location is formed to allow snap fit engagement with a cable support, for example it would allow for a single action, quick release of a cable clamp. This feature aids positioning of cable clamps in the cable tray, making cable installation both quicker and easier to install.
  • a particular feature of the invention is the provision of a lid for the tray.
  • This lid is positionable on the cable tray and may have a leg depending therefrom which, when the lid is positioned on the cable tray, extends into the valley section. This leg can provide sufficient support to enable the lid to be used as a walkway.
  • leg may abut against the base of the valley section or a raised surface on the cable tray such that the lid bows outwards from plane of the cable tray.
  • a further feature of the invention is that at least one wall of the valley section has means for holding an earthing strip.
  • the earthing strip may be embedded in, or lie in a channel in an upper surface of a wall.
  • the cable trays have at one or both ends, interlocking means for attaching a first cable tray to another.
  • Interlocking may be by pin and recess members but it is envisaged that for example, snap-fit interlocking means may be used to secure the cable trays .
  • interlocking means may in some instances include a hinge which enables a first cable tray to be moved relative to a second cable tray. It is particularly advantageous if the hinge is recessed in the base of the elongate member so that it does not catch on any surfaces during installation.
  • the cable tray includes support legs extending therefrom so that the cable tray can be raised from or lowered to a surface on which it is standing.
  • the support legs which can be extended, or shortened according to the height that the cable tray is to be raised above a surface. It is especially advantageous if the support leg is telescopic so that it can contract within- itself, rather than being drawn back into the cable tray, where it may catch on cables in the tray.
  • the cable trays will be straight elongate members but it is envisaged that cable trays curved at 45° may be provided to go round corners. Alternatively, the curving may be at 30° so that a number of trays can be positioned next to each other so that the trays can be adapted for the area in which they are installed.
  • a T-junction cable tray may be provided so that series of cable in a main trunking can be split to run along two or more trunking paths .
  • a particularly advantageous feature of the invention is the provision of a cable tray, of a depth which can hold stacked cables which are on more than one plane, for example there may be a double-decker arrangement of cables. This allows engineers to trace cabling more easily, as cables at different levels will be more easily identifiable.
  • a second aspect of the invention consists in a cable tray comprising a lid and a base member having a valley section in which one of more cables can be placed, wherein the lid is positionable on the cable tray and has a leg depending therefrom, which when the lid is positioned on the cable tray, extends into the valley section such that it abuts against a base of the valley section, or a raised surface of the cable tray such that the lid bows outwards from plane of the cable tray.
  • A- third aspect of the invention consists in a cable tray comprising a valley section for receiving one of more cables, the cable tray also having a lid member for seating over the vally section, wherein at least one wall of the valley section has an earthing strip.
  • a fourth aspect of the invention consists in a cable tray having a valley section for receiving one of more cables, wherein the cable tray has adjustable support legs for raising or lowering the cable tray relative to a surface on which it is placed.
  • the bowing of the lid from the cable tray provides a convex, rather than a flat upper surface, which means that rainwater tends not to puddle on the lid of the cable tray.
  • This feature has particular advantages in that it avoids water seeping into the cable tray, so avoiding corrosion or damage of the cables, or shorting.
  • the leg depending from the lid may be of a relatively short length and this will allow the lid to bow inwards when weight is put on the lid, for example by a person walking across the cable tray.
  • the ability to bow inwards reduces the stresses placed on the lid.
  • the upper surface of the lid has grooves, which provide a non-slip surface for persons walking across a lidded cable tray.
  • the cable trays of the invention may be made of plastics material or of metal. When plastics are used, these - can be recycled plastics, which are selected according to the environment in which the cable tray is to be used. In the case of metal cable trays, the metal may have apertures to reduce weight of the cable tray and also to keep production costs to a minimum. These apertures also assist in cooling of the cables.
  • plastics plastics
  • metal cable trays metal may have apertures to reduce weight of the cable tray and also to keep production costs to a minimum. These apertures also assist in cooling of the cables.
  • the cable tray is placed on, for example, a rubber/flexible matting which allows some cushioning between the cable trays when they move relative to one another.
  • Fig 1 shows a perspective view of the cable tray
  • Fig 2 shows an above view of an array of fixing locations in the base of a cable tray
  • Fig.3 shows a perspective view of lid for a cable tray
  • Fig 4 shows an end view of a lid for a cable tray in the unflexed position and in the flexed position
  • Fig 5 shows an cable tray and lid in spaced relationship prior to joining
  • Fig 6 shows a side view of a number of cable trays joined together by hinging means
  • Fig 7 shows a perspective view of a number of apertured metal cable trays joined together
  • Fig 8 shows a number of curved cable trays joined together, together with corresponding lids
  • Fig 9 shows a T-junction cable tray
  • Fig 10 shows an array of cable clamps for holding cables in a stacked arrangement.
  • the cable tray as shown in figure 1 is formed of an elongate base member 1, comprising a valley section 3 having two upstanding walls 2.
  • the cable tray has connecting means formed of a protuberance 4a at one end and an aperture 4b at the other end, which are for interlocking the cable tray to a further cable tray having corresponding connecting means.
  • the legs may be telescoping so that they can also be shortened so that the cable tray can be lowered onto a surface .
  • FIG. 2 shows an above view of a cable tray 1 having wall 2, with connecting means 4a, 4b at either end.
  • the fixing locations 8 each may comprise a threaded opening, which may for example, be provided by a nut or thread in the cable tray.
  • a cable clamp can then be threaded onto a bolt, which in turn is located onto the threaded opening.
  • nuts provide the threaded opening, they may be permanently fixed, or there may be provision for them to be released from the tray. It is feasible that the locations may comprise a combination of fixed and removable elements.
  • Figure 3 shows a lid 9 having a substantially flat surface 9a a leg 10 depending from the underside 9b of the lid.
  • the leg as shown is a three section leg but it may be as a single leg or a series of legs running along the underside of the lid.
  • Figure 4 shows a lid 9 in two positions. Position A is as the lid would be when sitting on cable tray before being pushed into a final position. Position B is when the lid is pushed into position such that the leg 10 abuts against a surface on the cable tray, causing the lid to bow away from position A.
  • Figure 5 shows a lid 9 and a cable tray 1 in spaced relationship.
  • the cable tray in this case is of metal and has a series of apertures 12 for weight reduction and cooling.
  • Leg 10 may lock into raised portion located at the base of the cable tray, or it can rest on the base of the valley of the cable tray.
  • apertures 5 for receiving fixing means which locate in apertures 5a in the lid to hold the lid 9 on the cable tray 1.
  • Figure 6 shows a series of cable trays 1 joined together.
  • Cable tray 1 has hinge means 13, having two arms 13a, 13b, each of which are joined to an end of adjacent cable trays.
  • An end of the hinge means is held in a recess . 15 in the under side of a cable tray and is held in position by a pin 14, which projects into the cable tray.
  • the hinge allows cable trays 1 to be positioned relative to one another. In the case of a raised cable tray as shown, a sleeve 6a can be held by the pin 14 attaching the hinge to the cable tray.
  • the pin may also hold a further support leg 15, which is extended to lift the cable tray, away from a surface.
  • the support leg 15, may be of a fixed length, or it may be capable of telescoping for adjustably positioning the cable tray relative to the surface.
  • Figure 7 shows a perspective view of a series of metal cable trays, substantailly as shown in figure 6. Although hinges are shown, it is envisaged that other fixing means may be used which allow one cable tray to be moved relative to another. Further, there may be covers at each end of the cable tray, which can be used to prevent water seeping into the cable tray through spaces between the trays.
  • Figure 8 shows a series of curved cable trays 1 and lids 9.
  • the cable trays 1 are joined together by connecting means 4 on each end of the cable tray 1.
  • Fixing holes 5 are positioned on an outer wall 2 of each tray, the upper surface 11 of which, can receive an earthing strip, The fixing holes can receive pins, screws or other fixing means to attach the lid 9 to the cable tray.
  • the cable trays 1 are also held by plate pieces 17, which are held by fixing means 16, such as pins or bolts. This gives added strength at the inner section of the corner piece, where the cable • tray may abut against a wall and flexibly of movement when positioning the cable trays around a wall edge.
  • the plates allow ease of attachment of for example, a metal tray to a plastic tray.
  • Figure 9 shows a T-junction cable tray, which can be integral with or fitted to a cable tray.
  • a main group of cables runs along the central run of the T, 18 which splits into two branches 18a, 18b. The two branches carry cables that have been split from the main cable run.
  • Figure 10 shows a cable tray 1 having a valley section 3 with side-walls 2. Along the valley section are apertures 5 for holding fixators, which attach the cable tray to a lid (not shown) . Spaced in the valley are cable clamps 19, which are held at fixing locations 8 as shown in figure 2. For ease of reference, only one row of cable clamps is shown.
  • the cable clamps which are held by bolts 20 can hold two cables running in one plane and a further two cables running in a further plane, so that stacked cables may be held in the cable tray. It is envisaged that the stacked array of cables may not be limited to a double stacked arrangement but muti-stacking of cables is possible. Cable clamps which are of particular applicability for use with the cable tray of the present invention are those described in co-pending UK patent application number 0023658.8, incorporated herein by reference.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Details Of Indoor Wiring (AREA)

Abstract

L'invention concerne un chemin de câbles, représenté sur la figure (1), qui est formé d'un élément de base allongé (1) comprenant une partie creuse (3) présentant deux parois verticales (2). Ce chemin de câbles comprend des moyens de connexion, consistant en une protubérance (4a) située à une extrémité et une ouverture (4b) située à l'autre extrémité, servant à coupler le chemin de câbles à un autre chemin de câbles comportant des moyens de connexion correspondants permettant d'assembler des chemins de câbles adjacents. En outre, des canaux sensiblement verticaux (5) situés le long du chemin de câble sont destinés à recevoir une cheville ou une fixation servant à fixer sur le chemin de câble un couvercle positionné au-dessus de la section creuse (3). La paroi verticale (2) présente sur toute sa longueur un canal (11) destiné à recevoir une connexion de mise à la terre.
PCT/GB2001/004501 2000-10-13 2001-10-10 Chemin de cables WO2002031939A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001293980A AU2001293980A1 (en) 2000-10-13 2001-10-10 Cable tray

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0025138A GB2367955A (en) 2000-10-13 2000-10-13 Cable tray
GB0025138.9 2000-10-13

Publications (1)

Publication Number Publication Date
WO2002031939A1 true WO2002031939A1 (fr) 2002-04-18

Family

ID=9901237

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2001/004501 WO2002031939A1 (fr) 2000-10-13 2001-10-10 Chemin de cables

Country Status (3)

Country Link
AU (1) AU2001293980A1 (fr)
GB (1) GB2367955A (fr)
WO (1) WO2002031939A1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6709186B2 (en) 2001-11-16 2004-03-23 Adc Telecommunications, Inc. Coupler for cable trough
US6715719B2 (en) 2002-03-27 2004-04-06 Adc Telecommunications, Inc. Coupler for cable trough
US7029195B2 (en) 2002-03-27 2006-04-18 Adc Telecommunications, Inc. Coupler for cable trough
US7315680B1 (en) 2006-06-21 2008-01-01 Adc Telecommunications, Inc. Cable routing devices with integrated couplers
US7463809B2 (en) 2007-02-21 2008-12-09 Adc Telecommunications, Inc. Coupler for cable trough
US7481597B2 (en) 2007-02-21 2009-01-27 Adc Telecommunications, Inc. Coupler for cable trough
US7493005B2 (en) 2007-02-21 2009-02-17 Adc Telecommunications, Inc. Coupler for cable trough
US7504583B2 (en) 2007-02-21 2009-03-17 Adc Telecommunications, Inc. Coupler for cable trough
US7584929B2 (en) 2007-02-21 2009-09-08 Adc Telecommunications, Inc. Coupler for cable trough
US7896295B2 (en) 2007-02-21 2011-03-01 Adc Telecommunications, Inc. Coupler for cable trough
CN102713390A (zh) * 2009-11-18 2012-10-03 基拉克金属制品工贸有限公司 电缆桥架
US11777287B1 (en) 2022-06-30 2023-10-03 Cablofil, Inc. Cable tray having cover panels

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1345302A1 (fr) * 2002-03-12 2003-09-17 Vergokan Chemin de câbles capable de soutenir une personne et comprenant un profil supérieur encliquetable sur un profil inférieur
EP2306226A1 (fr) * 2009-10-01 2011-04-06 Nokia Siemens Networks Oy Dispositif et ensemble de support
ITPN20100046A1 (it) * 2010-08-20 2012-02-21 Metallidea S R L Struttura di protezione per pareti
US9362727B2 (en) 2013-05-23 2016-06-07 Thomas & Betts International, Inc. Cable tray assembly
PL410606A1 (pl) * 2014-12-18 2016-06-20 Edbak Spółka Z Ograniczoną Odpowiedzialnością Koryto kablowe
CN105207142A (zh) * 2015-09-30 2015-12-30 苏州科博思流体科技有限公司 安全可靠的桥架连接器
US10900514B2 (en) * 2017-11-07 2021-01-26 Hellermanntyton Corporation Wire-tray-assembly with stud-mount inserts
US11451025B2 (en) 2020-12-22 2022-09-20 Hellermann Tyton Corporation Wire tray and mounting insert assemblies
CN116131175B (zh) * 2023-01-17 2023-10-20 南京致丰能源设备有限公司 电缆桥架及其使用方法、供电系统

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EP0094321A2 (fr) * 1982-05-11 1983-11-16 Aparellaje Electrico, S.A. Dispositif pour l'installation de conduites destinées à loger des câbles électriques
DE4112002A1 (de) * 1991-04-12 1992-10-15 Siegfried Dellnitz Bauteilesatz zum herstellen von kanaelen fuer kabel- und/oder rohrleitungen
GB2258091A (en) * 1991-07-24 1993-01-27 Salamandre Plc A cable holder.
WO1993007665A1 (fr) * 1991-10-10 1993-04-15 Swifts Of Scarborough Limited Ameliorations relatives a des dispositifs d'accouplement
JPH0946851A (ja) * 1995-08-01 1997-02-14 Sumitomo Wiring Syst Ltd プロテクタ
EP0930685A1 (fr) * 1998-01-20 1999-07-21 Mavil Ensemble de changement de direction pour chemin de câbles ou analogue

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GB1032109A (en) * 1963-09-05 1966-06-08 Locker Ind Ltd Improvements in cable trays
GB2260653B (en) * 1991-10-17 1995-03-15 Philip Grahame International L Cable trays
WO1996008063A1 (fr) * 1994-09-09 1996-03-14 Knud Gasbjerg Systeme a chassis de montage notamment destine a des cables, et element auxiliaire
FR2728757B1 (fr) * 1994-12-21 1997-01-31 Gec Alsthom Transport Sa Systeme et procede de fixation de lignes
NO305678B1 (no) * 1997-08-26 1999-07-05 Igl Nd System As Anordning ved kabelstigeseksjon/kabelbaneseksjon

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094321A2 (fr) * 1982-05-11 1983-11-16 Aparellaje Electrico, S.A. Dispositif pour l'installation de conduites destinées à loger des câbles électriques
DE4112002A1 (de) * 1991-04-12 1992-10-15 Siegfried Dellnitz Bauteilesatz zum herstellen von kanaelen fuer kabel- und/oder rohrleitungen
GB2258091A (en) * 1991-07-24 1993-01-27 Salamandre Plc A cable holder.
WO1993007665A1 (fr) * 1991-10-10 1993-04-15 Swifts Of Scarborough Limited Ameliorations relatives a des dispositifs d'accouplement
JPH0946851A (ja) * 1995-08-01 1997-02-14 Sumitomo Wiring Syst Ltd プロテクタ
EP0930685A1 (fr) * 1998-01-20 1999-07-21 Mavil Ensemble de changement de direction pour chemin de câbles ou analogue

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7360743B2 (en) 2001-11-16 2008-04-22 Adc Telecommunications, Inc. Coupler for cable trough
US8444095B2 (en) 2001-11-16 2013-05-21 Adc Telecommunications, Inc. Coupler for cable trough
US8186633B2 (en) 2001-11-16 2012-05-29 Adc Telecommunications, Inc. Coupler for cable trough
US6709186B2 (en) 2001-11-16 2004-03-23 Adc Telecommunications, Inc. Coupler for cable trough
US7175137B2 (en) 2001-11-16 2007-02-13 Adc Telecommunications, Inc. Coupler for cable trough
US7614817B2 (en) 2002-03-27 2009-11-10 Adc Telecommunications, Inc. Coupler for cable trough
US7093997B2 (en) 2002-03-27 2006-08-22 Adc Telecommunications, Inc. Coupler for cable trough
US10114189B2 (en) 2002-03-27 2018-10-30 Commscope Technologies Llc Coupler for cable trough
US9104004B2 (en) 2002-03-27 2015-08-11 Adc Telecommunications, Inc. Coupler for cable trough
US6715719B2 (en) 2002-03-27 2004-04-06 Adc Telecommunications, Inc. Coupler for cable trough
US8365384B2 (en) 2002-03-27 2013-02-05 Adc Telecommunications, Inc. Coupler for cable trough
US7029195B2 (en) 2002-03-27 2006-04-18 Adc Telecommunications, Inc. Coupler for cable trough
US7922129B2 (en) 2006-06-21 2011-04-12 Adc Telecommunications, Inc. Cable routing devices with integrated couplers
US7315680B1 (en) 2006-06-21 2008-01-01 Adc Telecommunications, Inc. Cable routing devices with integrated couplers
US8256723B2 (en) 2006-06-21 2012-09-04 Adc Telecommunications, Inc. Cable routing devices with integrated couplers
US7896295B2 (en) 2007-02-21 2011-03-01 Adc Telecommunications, Inc. Coupler for cable trough
US7584929B2 (en) 2007-02-21 2009-09-08 Adc Telecommunications, Inc. Coupler for cable trough
US7504583B2 (en) 2007-02-21 2009-03-17 Adc Telecommunications, Inc. Coupler for cable trough
US7493005B2 (en) 2007-02-21 2009-02-17 Adc Telecommunications, Inc. Coupler for cable trough
US7481597B2 (en) 2007-02-21 2009-01-27 Adc Telecommunications, Inc. Coupler for cable trough
US7463809B2 (en) 2007-02-21 2008-12-09 Adc Telecommunications, Inc. Coupler for cable trough
CN102713390A (zh) * 2009-11-18 2012-10-03 基拉克金属制品工贸有限公司 电缆桥架
US11777287B1 (en) 2022-06-30 2023-10-03 Cablofil, Inc. Cable tray having cover panels
US12155188B2 (en) 2022-06-30 2024-11-26 Cablofil, Inc. Cable tray having cover panels

Also Published As

Publication number Publication date
GB0025138D0 (en) 2000-11-29
AU2001293980A1 (en) 2002-04-22
GB2367955A (en) 2002-04-17

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