WO1992004263A1 - Appareil de transport - Google Patents

Appareil de transport

Info

Publication number
WO1992004263A1
WO1992004263A1 PCT/GB1991/001440 GB9101440W WO9204263A1 WO 1992004263 A1 WO1992004263 A1 WO 1992004263A1 GB 9101440 W GB9101440 W GB 9101440W WO 9204263 A1 WO9204263 A1 WO 9204263A1
Authority
WO
WIPO (PCT)
Prior art keywords
conveying
members
elongate
support
chain
Prior art date
Application number
PCT/GB1991/001440
Other languages
English (en)
Inventor
Keith Anthony Nathan
Original Assignee
Rfs Industries Limited
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
Priority claimed from GB909018932A external-priority patent/GB9018932D0/en
Application filed by Rfs Industries Limited filed Critical Rfs Industries Limited
Publication of WO1992004263A1 publication Critical patent/WO1992004263A1/fr
Priority to GB9303767A priority Critical patent/GB2264477A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G67/00—Loading or unloading vehicles
    • B65G67/02—Loading or unloading land vehicles
    • B65G67/04—Loading land vehicles
    • B65G67/20—Loading covered vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
    • B65G23/24—Gearing between driving motor and belt- or chain-engaging elements

Definitions

  • This invention relates to conveying apparatus and more particularly to conveying apparatus suitable for conveying loads along a carriage.
  • conveying apparatus suitable for conveying loads along a carriage (e.g. a lorry trailer) , said apparatus comprising an endless conveying means, drive means adapted to apply a driving force to the conveying means and transmission means to transmit the driving force from the drive means to the conveying means .
  • the conveying means comprises first and second elongate conveying members arranged in side by side relationship.
  • the drive means may be adapted to drive simultaneously the first and second conveying members.
  • Each conveying member may comprise a slat chain conveyor adapted to extend lengthwise of the carriage.
  • the transmission means may comprise a sprocket and chain assembly and an elongate transmission member to drive the conveying means, the sprocket and chain assembly being connected between the drive means and the drive shaft.
  • the elongate transmission member extends between the first and second conveying members.
  • the sprocket and chain assembly comprises a first sprocket mounted on the drive means and a second sprocket mounted on the transmission member, the first sprocket being connected to the second sprocket by at least one chain.
  • the first sprocket ⁇ connected by a first chain to a third sprocket fixedly connected to a fourth sprocket, the fourth sprocket being connected by a second chain to the second sprocket.
  • Bearing members may be provided to be attached to the carriage to bear the conveying means.
  • the bearing members preferably comprise a plurality of elongate members which may have an H shaped profile.
  • Each conveying member may be mounted on rigid, elongate carrying members borne on the bearing members.
  • the carrying members may be of a box section. A first portion of each conveying member may extend along the top of the respective carrying member and a second portion of the conveying member extend within the box section.
  • Support means (otherwise referred to as lubricating means) providing a relatively low friction surface may ce provided between each conveying member and its respective carrying member.
  • the support means may comprise a suitable plastics material such as an ultra high molecular weight polyethylene (UHMWPE) .
  • UHMWPE ultra high molecular weight polyethylene
  • An example of such a plastics material is UHMWPE 1000 grade made by Semiplastics Ltd.
  • the drive means may comprise a 1.5 kw motor capable of 5 rpm.
  • a drive means and transmission means may be provided to be disposed at each end of the carriage to provide forward and reverse movement of the conveying means.
  • the apparatus comprises a plurality of parallel elongate conveying members adapted to co-operate with a plurality of support means each carried by an elongate carrying member and said conveying members being adapted to support a load: suitably there are three elongate conveying members.
  • Said support means is preferably a generally E-shaped cross-section elongate plastic member, providing support means having a low coefficient of friction relative to the conveying members but sufficiently rigid and tough to provide a good support to the conveying members.
  • the elongate conveying members comprise a plurality of rollers having links on opposite ends thereof, each link serving to link the other rollers into a chain and also serving to provide support for a load; and said elongate members are adapted to travel in co-operation with the support means, with the rollers running on the central limb of the E-shaped member which central limb thus provides part, at least, of said support means.
  • Said transmission means may comprise a gear box which is connected between the drive means and an elon ⁇ ate transmission member which drives all the conveying members via sprockets mounted on the transmission member, one associated with each conveying member.
  • Said drive means and gear box may comprise a commercially available, integral package.
  • conveying apparatus in accordance with the invention comprises tensioning means which may comprise tensioning units arranged at both extremities of each conveying member.
  • Said tensioning units may be spring- biased or manually or electrically adjustable arrangements.
  • the units are independently adjustable.
  • a chassis for a vehicle carriage comprising ar. endless conveying means arranged adjacent the floor cf the carriage, drive means adapted to apply a driving force to the conveying means and transmission means to transmit the driving force from the drive means to the conveying means.
  • Figure 1 is a perspective plan view of conveying apparatus according to a first embodiment
  • Fi ure 2 is a view in section along tne lines II-II cf Figure 1 showing the drive means of the first embodiment
  • Figure 3 is a plan view of a second embodiment of the invention.
  • Figure 4 is a view in cross-section along the line IV- IV of Figure 3 ;
  • Figure 5 is a diagrammatic view, in cross-section showing the installing of the second illustrative conveying apparatus in an existing lorry trailer;
  • Figure 6 is a view similar to Figure 5 but showing the installation of a modified form of the second illustrative conveying apparatus as original eguipment on a new chassis;
  • Figure 7 is a diagrammatic view of a tensioning unit for the second illustrative apparatus.
  • conveying apparatus 10 is shown which is intended to be integrally mounted with .a lorry trailer such that pallets 11 can be loaded onto or unloaded from the trailer.
  • the forward end of the trailer is designated F and the rear end is designated R.
  • the conveying apparatus 10 comprises drive means 12, in the form of a motor 14.
  • a suitable such motor is manufactured by Eurodrive Ltd and has a power of 1.5 kw and is capable of running at 55 rpm.
  • the apparatus 10 also comprises an endless conveying means 16 in the form of first and second conveying members 18a, 20a and 18b, 20b. It will be appreciated by the person skilled in the art that the distance between the first and second conveying members 18a, 20a and 18b, 20b 5 should be such that a pallet 11 can be disposed on the conveying means 16 whereby the pallet 11 can engage both conveying members 18a, 20a or 18b, 20b (see Figure 1) .
  • Each conveying member 18, 20 comprises an endless slat conveying chain 22 which is arranged on a carrying member 10 24 which is of a box section.
  • a first portion 26 cf each conveying chain 22 is disposed on top of the carrying member 24 whereas a second portion of each conveying chain 22 extends within the box section of each carrying member 24.
  • Support means 30 in the form of a plurality cf _ow- friction bearing blocks 30 of a plastics material is provided between each conveying chain 22 and its respective carrying member 24 thus to provide lubricating means between each chain 22 and member 24.
  • the support means 30 0 thus provides lubrication between the conveying members 18, 20 and respective carrying member 24 to enable the conveying members 18, 20 to run smoothly when loaded with pallets.
  • the plastics material is suitably an ultra high molecular polyethylene material (UHMWPE; .
  • An example cf ⁇ such a material is UHMWPE 1000 grade ma ⁇ e by Semiplastics Ltd.
  • the conveying apparatus 10 also comprises transmission means 32 to transmit the driving force from the drive means 12 to the conveying means 16.
  • the transmission means 32 comprises a sprocket and chain assembly 34 and an elongate transmission member 36 in the form of a cylindrical shaft 38.
  • the shaft 38 extends through and is fixedly attached to toothed wheels 40 which are in meshing engagement with each slat conveying chain 22.
  • a sprocket and chain assembly 42 is connected between the cylindrical shaft 38 and the drive means 12.
  • the sprocket and chain assembly 42 comprises a first sprocket
  • a first transmission chain 54 connects the first sprocket 44 to the third sprocket 48 and a second transmission chain 56 connects the fourth sprocket 52 with the second sprocket 46.
  • Each drive means 12 operates by pulling the conveying means 16.
  • the drive means 12 at the front end F moves the conveying means 16 in the direction indicated by the arrow A whereas the drive means 12 at the rear end R moves the conveying means 16 in the direction of the arrow B.
  • a further conveying means can be provided adjacent the first conveying means described above (see Figure 1) .
  • This further conveying means can be driven either by the drive means for the first conveying means cr by its own drive means and associated transmission means.
  • a plurality of bearing members 58 are attached to the trailer chassis members (not shown) . This can be achieved by cutting suitable apertures in the chassis members and then welding the bearing members 58 to the chassis members such that each bearing member 58 extends from one side of the trailer to the other.
  • the carrying members 24 are attached to the bearing members 58 by suitable attachment members (not shown) . It will be appreciated that the conveying means are arranged slightly above the normal floor of the trailer. Each trailer is provided with a upstanding end plate 118 which stops the progression of the first pallet.
  • each individual conveyor comprises three conveying members 100 which extend along the length of a carriage (not shown) .
  • This arrangement is pref rred to the one hereinbefore described as it provides better support for the pallet 11 particularly poorer quality or damaged ones.
  • Figure 4 provides a cross sectional view cf a conveying member 100a on line IV-IV of Figure 3.
  • Each conveying member 100 comprises a plurality cf rollers 102 having links 104 on opposite ends thereof, each link 104 serving to connect adjacent rollers 102, thus forming a chain serving to provide support for a load.
  • Each conveying member 100 travels in co-operation with support means, which in this embodiment is an elongate element 106 of generally E-shaped cross-section made from plastics material, channels between the limbs of the E-shape being adapted to receive the links 104.
  • support means which in this embodiment is an elongate element 106 of generally E-shaped cross-section made from plastics material, channels between the limbs of the E-shape being adapted to receive the links 104.
  • a suitable plastics material is again an ultra high molecular polyethylene material (UHMWPE) .
  • Each support means 106 is supported by an elongate carrvin ⁇ member 108 of box cross-section. Accordin ⁇ iv, a ⁇ shown in Figure 4, at any given time a portion of the chain 100 is enclosed within the carrying member 108 and the other portion is in co-operation with the support means 106.
  • the transmission means comprised a system of sprockets and chains
  • the transmission is provided by a gear box 110 which may be suitably integrally housed with the drive means 112 in the form of a commercially available motor/gear box package.
  • the gear box 110 is attached to a transmission member 36 which, in co-operation with a sprocket 115 each associated with one cf the chains 106, drives the chain 100.
  • a tensioning unit 116 is provided tc tension each of the chains 100.
  • the tensioning unit 116 includes the drive sprocket 115 and two further sprockets, a sprocket 119 rotatable about a fixed axis and a sprocket 121, the centre of rotation of which can be displaced along an adjusting slot 122 to take up any slack in the chain 100. Movement along the slot 122 is conveniently achieved using a manually operated worm and nut arrangement (net shown) , though other systems may be used if desired provided that the position is maintained after adjustment. This is particularly important after the system has been in use for onlv a short oeriod, as it is common for a nev chain to stretch considerably after some initial use.
  • Each tensioning unit 116 is independently adjustable to tension each of the chains lOOa-c simultaneously. Each tensioning unit 116 provides adjustment for each individual chain 100.
  • the whole assembly comprising gear box 110, transmission member 36 and tensioning units 116 may, if desired, be oveable in a vertical direction.
  • a blocking plate 118 is provided at the end F of the conveyor to halt the movement of a pallet 11.
  • tensioning units may be provided at each end of each of the chains lOOa-c.
  • FIG. 5 is shown the installation of the second illustrative embodiment in an existing vehicle body.
  • a flat strip 130 of low-friction material e.g. ultra high molecular weight polyurethane
  • the carrying member 108 (suitably an inverted mild steel channel section) is positioned over the strip 130 and secured to the floor 132 so that the relatively slack return run of the chain runs on the strip (which provides a low friction surface) .
  • the element 106 is secured to an upper surface of the member 108.
  • a false floor 134 is mounted in place.
  • a strip 130a similar to the strip 130 and for the same purpose, is secured to the channel section 108a . which is closed by a plate 138 (secured to the channel section, e.g. by screws) to provide the carrying member 108.
  • the element 106 is secured to the plate 138.
  • the vehicle floor 132a is secured to the channel sections 108a . by brackets 140.
  • the illustrative conveying apparatuses described herein with reference to the drawings are of relatively simple and robust construction; the support means 30, 106 provide good low-friction properties so that the illustrative apparatuses can convey relatively heavy pallets readily.
  • the gearing arrangements are such that the conveying members are held stationary when the drive means 12, 112 is not operating, thus to retain the pallets
  • the operator uses a fork lift truck to dispose a first pallet 11 onto each conveying means 16 at the rear end R of the trailer.
  • the conveying means 16 is then moved in the direction indicated by the arrow A a sufficient distance to enable a second pallet 11 to be loaded onto each conveying means 16.
  • a control box (not shown) mounted on the tra ⁇ ier may be used to control the movement of the conveying means 16. This process can be repeated until the trailer is fully loaded with pallets. The process is reversed in order to unload the pallets. Alternatively the conveying means 16 may be run continuously during loading with the end plate 18 stopping the progression of the first pallet.
  • the conveyor can be run constantly to accept full loads from a conveyorised dock and reversed to unload onto a conveyorised dock.
  • the conveying means can be connected to the conveyorised dock so that its operation can be controlled by the dock operation and may be arranged to run at a speed synchronised with the feed speed of the conveyorised dock.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chain Conveyers (AREA)

Abstract

Appareil de transport (10) convenant au transport de charges telles que des palettes (11), sur un chariot, permettant ainsi de charger facilement ledit chariot. L'une des formes d'exécution de ladite invention comporte une pluralité de chaînes (100) entraînées, sur des éléments de soutien allongés à section transversale en forme de E (106), par une combinaison boîte de vitesse (110) et moteur (112) solidairement intégrée, via un élément de transmission (36). D'autres dispositifs de tension (116) existent pour chaque chaîne (100) afin de permettre auxdites chaînes (100) d'être tendues de manière appropriée.
PCT/GB1991/001440 1990-08-30 1991-08-27 Appareil de transport WO1992004263A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9303767A GB2264477A (en) 1990-08-30 1993-02-25 Conveying apparatus

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB909018932A GB9018932D0 (en) 1990-08-30 1990-08-30 Conveying apparatus
GB9018932.5 1990-08-30
GB9106699.3 1991-03-28
GB919106699A GB9106699D0 (en) 1990-08-30 1991-03-28 Conveying apparatus

Publications (1)

Publication Number Publication Date
WO1992004263A1 true WO1992004263A1 (fr) 1992-03-19

Family

ID=26297571

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1991/001440 WO1992004263A1 (fr) 1990-08-30 1991-08-27 Appareil de transport

Country Status (2)

Country Link
AU (1) AU8449391A (fr)
WO (1) WO1992004263A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0611676A1 (fr) * 1993-02-16 1994-08-24 SPACE S.r.l. Appareil motorisé pour charger et décharger des camions et similaires
WO1999032326A1 (fr) 1997-12-18 1999-07-01 Tls Logistik Gmbh Systeme de chargement et de dechargement pour camions, leurs remorques, conteneurs de transports et similaires
NL1027518C2 (nl) * 2004-11-16 2006-05-17 Mercurius Scheepvaart B V Container alsmede werkwijze voor het vervoer van goederen onder gebruikmaking van een dergelijke container.
EP1946963A1 (fr) * 2007-01-17 2008-07-23 Ancra Systems BV Véhicule doté d'un espace de chargement
ITVI20080268A1 (it) * 2008-11-17 2010-05-18 Smac S R L Dispositivo trasportatore.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU555491B2 (en) * 1982-02-26 1986-09-25 Rexport International Australia Pty. Ltd. Load handling apparatus
EP0297905A1 (fr) * 1987-07-01 1989-01-04 Alutrans Holdings (Proprietary) Limited Système de manipulation de charges
DE3832465A1 (de) * 1988-09-23 1990-04-05 Kettner Verpackungsmaschf Vorrichtung zum be- oder entladen von fahrzeugen, insbesondere sattelschleppern, mit ladeeinheiten, insbesondere paletten, gitterboxen und aehnlichen behaeltern
DE9001299U1 (de) * 1990-02-06 1990-06-07 Elsner, Joachim, 2152 Horneburg Beladevorrichtung für Palettenbetrieb für Lkw und Containerböden
EP0392993A2 (fr) * 1989-04-14 1990-10-17 Elba 2 S.R.L. Appareil pour manutentionner des marchandises sur des véhicules industriels

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU555491B2 (en) * 1982-02-26 1986-09-25 Rexport International Australia Pty. Ltd. Load handling apparatus
EP0297905A1 (fr) * 1987-07-01 1989-01-04 Alutrans Holdings (Proprietary) Limited Système de manipulation de charges
DE3832465A1 (de) * 1988-09-23 1990-04-05 Kettner Verpackungsmaschf Vorrichtung zum be- oder entladen von fahrzeugen, insbesondere sattelschleppern, mit ladeeinheiten, insbesondere paletten, gitterboxen und aehnlichen behaeltern
EP0392993A2 (fr) * 1989-04-14 1990-10-17 Elba 2 S.R.L. Appareil pour manutentionner des marchandises sur des véhicules industriels
DE9001299U1 (de) * 1990-02-06 1990-06-07 Elsner, Joachim, 2152 Horneburg Beladevorrichtung für Palettenbetrieb für Lkw und Containerböden

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0611676A1 (fr) * 1993-02-16 1994-08-24 SPACE S.r.l. Appareil motorisé pour charger et décharger des camions et similaires
US5413451A (en) * 1993-02-16 1995-05-09 Space S.R.L. Loading and unloading powered apparatus for trucks and the like
WO1999032326A1 (fr) 1997-12-18 1999-07-01 Tls Logistik Gmbh Systeme de chargement et de dechargement pour camions, leurs remorques, conteneurs de transports et similaires
DE19756551A1 (de) * 1997-12-18 1999-07-01 Pollert Heiner Be- und Entladesystem für Lastkraftwagen, deren Anhänger, Transportcontainer und dgl.
NL1027518C2 (nl) * 2004-11-16 2006-05-17 Mercurius Scheepvaart B V Container alsmede werkwijze voor het vervoer van goederen onder gebruikmaking van een dergelijke container.
EP1946963A1 (fr) * 2007-01-17 2008-07-23 Ancra Systems BV Véhicule doté d'un espace de chargement
ITVI20080268A1 (it) * 2008-11-17 2010-05-18 Smac S R L Dispositivo trasportatore.

Also Published As

Publication number Publication date
AU8449391A (en) 1992-03-30

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