WO1984004289A1 - Systeme de transport - Google Patents

Systeme de transport Download PDF

Info

Publication number
WO1984004289A1
WO1984004289A1 PCT/SE1984/000154 SE8400154W WO8404289A1 WO 1984004289 A1 WO1984004289 A1 WO 1984004289A1 SE 8400154 W SE8400154 W SE 8400154W WO 8404289 A1 WO8404289 A1 WO 8404289A1
Authority
WO
WIPO (PCT)
Prior art keywords
transmission member
transport device
coupling
coupling member
hauling
Prior art date
Application number
PCT/SE1984/000154
Other languages
English (en)
Inventor
Johan Olsson
Original Assignee
Johan Olsson
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 Johan Olsson filed Critical Johan Olsson
Publication of WO1984004289A1 publication Critical patent/WO1984004289A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B10/00—Power and free systems
    • B61B10/02—Power and free systems with suspended vehicles
    • B61B10/025—Coupling and uncoupling means between power track abd vehicles

Definitions

  • the present invention relates to a transport device comprising several individual hauling tracks, between which wheel-provided loads or loads carrier are shiftable, which by means of a connecting member are connectable to a transmission member, e.g. an endless wire, chain or the like, at which the connecting member is provided with a coupling member, which is movable between an active position, in which it is engageable with the transmission member, and an inactive position in which the coupling member is out of engagement with the transmission member.
  • a transmission member e.g. an endless wire, chain or the like
  • Transport devices of the above mentioned kind are previously known in many different designs.
  • the driving unit thereof generally comprises an engine-driven trolley carriage, which is displaceable along a guide rail in the ceiling and to the said trolley carriage one or several trucks can be connected.
  • This type of transport device is substantially limited to plants in which the guide rail is placed in the ceiling and therefore has a limited range of application.
  • Transport devices where the carrier conveyor consists of for example an endless chain are also known, but they are generally used as overhead rail conveyors for transportation of a hanging load and not for towing of trucks.
  • the object of the present invention is to provide a transpot system which can utilize simple and cheap load carriers of hand truck type, which even with loading can be easily moved by a person.
  • the trucks should be easily connectable to a hauling track, for example an endless wire and be transported along a main line, but should in order to perform some work operations be shiftable to side tracks so that the main line is not blocked while the work operation is done.
  • the line should further be so designed, that along certain transport distances, where for example no wurk is done with the objects which are on the truck, a quick feeding may take place without actuating the vehicles along the other parts of the hauling track where the working stations are located.
  • Another object of the invention is to propose a plant where one or several trucks can be released from the hauling track or its side tracks, for example if any difficulty may happen with the work operation which should be done on the transport object.
  • the fundamental idea is thus to provide a very flexible transport system, which with the same advantage can be used for loads rolling on the ground as for loads hanging from the ceiling.
  • the system should even be applicable to such vehicles which rolls in rails along the wall.
  • Fig. 1 shows a plan view of some hauling tracks which can be part of a transport system according the invention
  • Fig. 2 shows on a greater scale and more in detail a plan view of the transport system according fig. 1
  • Fig. 3 is a schematic side view of a truck according the invention connected to a hauling track
  • Fig. 4 shows the truck according fig. 3 in a view from above
  • Fig. 5 shows a section through a connecting member intended to be fastened to a truck
  • Fig. 6 shows the connecting member according fig. 5 in side view
  • Fig. 7 shows a section through the connecting member according to line VII-VII in fig. 5,
  • Fig. 8 shows the connecting member according fig. 5-7 in a view from above
  • Fig. 9 is an analogue view with fig. 7 in a modified design
  • Fig. 10 shows a view from above of a shifting station between two hauling tracks
  • Fig. 11 is a section according to the line XI-XII in fig. 10,
  • Fig. 12 is a view from above of a stationary device for conveying the transmission member out of engagement with the connecting member
  • Fig. 13 is a section according the line XIII-XIII in fig. 12,
  • Fig. 14 shows a longitudinal section through a connecting member according to a modified design
  • Fig. 15 shows the connecting member in a view from above according to fig. 14,
  • Fig. 16 shows a section according to line XVI-XVI in fig 15,
  • Fig. 17 is a side view and partly in section of a further embodiment of the connecting member
  • Fig. 18 shows a view of the connecting member from above illustrated in fig. 17,
  • Fig. 19 shows the lower part of the connecting member in a front view illustrated in fig 17 and 18,
  • Fig. 20 is an analogue view with fig 17 of the coupling member in open position
  • Fig. 21 shows a longitudinal section through a load carrier suspended from a ceiling
  • Fig. 22 is a section according to the line XXII-XXII in fig.
  • Fig. 23 and 24 show in side view and front view a wheel-- supported load in the form of a car chassis temporarily provided with a connecting member according to the invention. Description of the embodiments
  • the transport system comprises a plurality of individual hauling tracks 11, which overlap each other with the end portions.
  • Each hauling track 11a, 11b, 11c and 11d comprises a transmission member 12a, 12b, 12c which for example can consist of an endless wire, chain or the like and which is inclined over pulleys 13, one of which can be a part of a tension and/or a driving station 14.
  • To the transmission member 12 can be connected one or several load carriers 15, i.e. trucks 15a, 15b and 15c which each is equipped with a connecting member 16, for alternative connecting with or disconnecting from the respective transmission member.
  • each other shifting stations 20 are arranged, where a shifting occurs from the transmission member of one path, i.e. 12a to the transmission member of the second path, i.e. 12b.
  • every truck 15 is equipped with a connecting member 16 with double sets of coupling members 22, which independently of each other are connectable to respectively disconnectable from a transmission member each.
  • the connecting member 16 consists of a frame 17 in the form of a square tube, to which two identical coupling members 21 and 22 are disposed, provided with two gripping jaws 23 and 24, one of which 23 is rotatable about an axle 25 towards and away from the other, fixed gripping jaw 24 by means of an actuator 26, for example an electric linear motor.
  • the coupling members 21, 22 are also rotatable about a pivot arm 27, mounted in an attachment 28 at the frame 17 by means of the said actuator 26, which can perform exact positioning reciprocating movements.
  • a strong tension spring 29 holds the coupling members 21, 22 to fit-up against a wire 12 located between the gripping jaws 23, 24 or if the wire is disconnected against a stop lug 30 arranged at the frame 17.
  • the endless transmission member 12 rotates appropriately continuously and if a truck 15 is to be displaced the actuator 26 obtains an external impulse and presses the movable gripping jaw 23 against the wire 12, which is located in a laterally open groove 31 in the coupling member 21 resp. 22. If the truck 15 should be kept in a "stand by" position while awaiting the next movement the movable gripping jaw 23 will be rotated about the axle 25 until it abuts the attachment 28 serving as a stop lug as is shown with dash - dotted lines in fig. 6. In this position the wire 12 is completely free and can continue to perform its running movement without effecting the truck 15.
  • the gripping jaws 24 are on their underside each provided with a pulley 34 which is rotatable about a vertical axle pulley 34 and which cooperate with a groove 18 resp. 19 each. If the truck should be drawn completely away from the hauling track, the actuator 26 is given an additional signal, so that this is pulled to its inner end position, at which the coupling member 21 resp. 22 rotates about the pivot arm 27 to the position, which is shown in fig. 6 with dash- dotted lines. In this position the coupling member 21 resp. 22 has been rotated out of the groove 18 respectively 19, so that the truck 15 can freely move on the floor.
  • the actuator 26 can be controlled by means of transmitters (not shown) i.e. inductive, electronic sensors, which detect the movement of the actuator 26 and position this.
  • the frame 17 consists of a guide in the shape of two telescopic square tubes, which against the action of a tension spring can be displaced from each other when the movable gripping jaw 23 is pressed to fit-up against a wire 12 located between this and the fixed gripping jaw 24 and a stop lug 30 resp.
  • the actuator 26 is so positioned that it continues to be extended somewhat after completed clamping of the wire 12, so that the spring 29 is stretched and a certain elasticity is obtained in the system.
  • the modified embodiment shown in fig. 9 might be used.
  • a distance block at the frame 17 and which supports a steering wheel 33, which cooperates with a guide rail 32.
  • a pivot 34 connected with a clutch 35 which is connectable with a corresponding adapter 36 fixed to the underside of the truck 15.
  • a steering wheel 40 is arranged at the pivot axle of the pivot 34 and which in the same way as the steering wheel 33 cooperates with the guide rail 32.
  • the connecting member 16 As the truck 15 is not pulled by the hauling track 11 unless the steering wheel 33 and 40 of the connecting member 16 is lifted from the guide groove, the connecting member must be lifted up, which can occur, as this is rotatable about the pivot axle 41.
  • the connecting member 16 cah also be lifted away completely if desired, by the fact that the pivot axle 41 is lifted out of the pivot cup 41a.
  • the control of the actuator 26a and 26b can be done touch- free by means of a capacitive transmitters (not shown), which detects an indication which appropriately is placed on or close to the respective hauling track.
  • the displacement of the transmission member 12 can also take place actively by means of a suitable driving device 65, as is shown in the embodiment according figs. 12 and 13.
  • the driving device 65 is designed as a piston cylinder to which a transfer member 66 is attached, the front end edge of which is plogue-shaped with a recess 67, so that also a transmission member hanging against the bottom of the guide rail 18 resp. 19 can be caught up and be pressed into a lateral space 37 ⁇ f the side of the groove 18 resp. 19.
  • the displacement of the transmission member 12 out of the connecting member 16 is done in an inactive or active way, by means of a special arrangement within fixed shifting station. At some applications it could be desirable not to bedependent on fixed shifting stations, but it should be possible to perform the shifting anywhere alon the transport distance, where there is an overlap between two hauling tracks.
  • Such arrangements are shown in the embodiment according to figs. 14-16, at which two separate, identical connecting members 16 are disposed adjacent each other, and each are provided with two towards and away from each other movable, verically aranged gripping jaws 23. Their displacement is provided by the fact that pins 42 is projecting therefrom are displaceable in grooves 43 which are obligue with to the longitudinal axle of the connecting member.
  • a link 44 is articulately mounted at each axle pin 42, the other end of said link is rotatably connected with a draw bar 45.
  • This is displaceable by means of a actuator 26, which can be positioned in two different end position.
  • the gripping jaws 23 In the first completely protêtd position the gripping jaws 23 will be rotated away from each other and to fit- up against the side walls 46 of the guide rails 18 or 19, at which a braking of the truck is obtained.
  • the gripping jaws 23 At the retraction of the actuator 26 the gripping jaws 23 will be displaced in the direction towards each other, so that a wire 12 located hetween them is clamped.
  • the connecting member 16 By means of the second actuator 61 it is possible to rotate the connecting member 16 about an axle 62, at which the gripping jaws 23 will be rotated out of the groove 18 resp. 19.
  • the connecting member 16 is held in correct engagement height with the transmission member 12 by the fact that travelling wheels 63 at the front, lower part of the connecting member rests on the floor.
  • control of the coupling member 21 resp. 22 is done by means of a guide wheel 47 mounted thereto and arranged at a clamp 48, which is rotatable about two pivots 49.
  • a clamp 48 which is rotatable about two pivots 49.
  • To the clamp 48 two draw springs 50 are fixed, which are so arranged in relation to the fulcrum 49 of the clamp, that the springs 50 passes the said fulcrum 49, when this swings to the folded up position.
  • the vibratory movement is provided by means of an inclined approach 51 arranged adjacent or in the groove 18 resp. 19, on which the guide wheel 47 rolls up, so that the coupling member
  • the transmission element 12 has been provided with drivers 53, evenly distributed along the wire 12.
  • the connecting member 16 thus does not need to be designed with special gripping devices, such as gripping jaws or the like, as the connection with the transmission member 12 is done through a fork 54, which at the folding down of the coupling member 22 grips over the transmission member 12.
  • the coupling member 22 can maually be rotated about the pivot axle 49, and out of engagement with the wire 12, after which the truck can be manually pulled away from the hauling track. In the same way a connection with the transmission member can aslo be manually provided.
  • Fig. 21 and 22 show an example of a ceiling conveyor, in which a load carrier 57 with wheels 56 hangs in a ceiling rail 55.
  • the transmission members are arranged below the ceiling rail 55.
  • At the load carrier 57 both coupling members 21, 22 of the connecting member 16 are arranged, which in the same way which has been described above can be brought to cooperate with the trasmission member 12.
  • the actuators 26 are with their end remote from the coupling members each supported by a yoke 58, which by means of a rail 59 is movable against the action of the spring 29 in guides 60.
  • a rail 59 is movable against the action of the spring 29 in guides 60.
  • To the rail 59 is connected one arm 61 of a double-armed bell crank 62, the opposite arm 63 of which is designed as a brake member and which can be brought to be pressed to fit-upagainst the lower edge of the rail.
  • the brake starts to function when the movable gripping jaws of the coupling member releases its grip about the wire 12, that is to say as soon as the actuator 26 withdraws the connecting rod 26c.
  • the ceiling rail 55 can be given such an extension, that the load can be landed on a wall- or floor bound hauling track for further transport to the destination area.
  • the transmission member 12 can instead of wn endless band, cable, wire, thread or chain consist of a reciprocating member, where the transport occurs with the forward movement of the member while with the return stroke the member skips.
  • load carrier are also involved air-cushion devices, but can also comprise the load itself, if this is provided with wheels, as is shown in figs. 23 and 24.
  • connecting members are arranged in the frame or chessis of the vehicle for a quick attachment and quick releasing of the connecting member 16.
  • this way of transport is also applicable for accommodation of vehicles on special buffer-sites awaiting the delivery, but can even be used on board on car transport vessels, where the guide rails 18 and 19 are recessed in the deck of the vessel. This arrangement permits an operatorless stowing and unloading of the vehicles onboard.
  • the control of the coupling member can also be done in many different ways and besides those previously described, it is possible to perform the disconnection of the transmission member by means of a mechanical or electrical contact device, which starts to function if a load carrier has caught up with a previous load carrier on the track.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
  • Warehouses Or Storage Devices (AREA)
  • Intermediate Stations On Conveyors (AREA)

Abstract

Dispositif de transport comprenant un certain nombre de transporteurs de charge, que l'on peut relier par exemple à un câble sans fin à l'aide d'organes de couplage. Les transporteurs de charge peuvent être décalés vers les organes de transmission latéraux et peuvent être dégagés de ceux-ci. Le but est de réaliser un dispositif de transport qui peut utiliser des chariots bon marché, pouvant être reliés aisément à une piste de remorquage, et de réaliser un système de transport très flexible pouvant être utilisé avec les mêmes avantages pour faire rouler des charges sur le sol ainsi que pour suspendre des charges à un plafond. On atteint ce but en dotant chaque transporteur de charge (15) de deux organes de couplage pouvant être actionnés indépendamment l'un de l'autre, dont l'un peut être relié à un organe de transmission (12) tandis que l'autre peut s'en dégager.
PCT/SE1984/000154 1983-05-03 1984-04-26 Systeme de transport WO1984004289A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8302494A SE8302494D0 (sv) 1983-05-03 1983-05-03 Transportanleggning

Publications (1)

Publication Number Publication Date
WO1984004289A1 true WO1984004289A1 (fr) 1984-11-08

Family

ID=20351041

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1984/000154 WO1984004289A1 (fr) 1983-05-03 1984-04-26 Systeme de transport

Country Status (5)

Country Link
EP (1) EP0174310A1 (fr)
JP (1) JPS60501204A (fr)
IT (1) IT1174544B (fr)
SE (1) SE8302494D0 (fr)
WO (1) WO1984004289A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4924776A (en) * 1987-10-30 1990-05-15 Georg Uttscheid Switch for a floor transportation system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2100854A1 (de) * 1971-01-09 1972-09-07 Koettgen & Cie Fördereinrichtung mit einem schienen geführten Fahr oder Forderzeug
SE428361B (sv) * 1975-12-31 1983-06-27 Poma 2000 Sa Transportanleggning med separata vagnar som er anordnade att forflyttas lengs en bana med hjelp av atminstone en daglina som ror sig lengs banan

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2100854A1 (de) * 1971-01-09 1972-09-07 Koettgen & Cie Fördereinrichtung mit einem schienen geführten Fahr oder Forderzeug
SE428361B (sv) * 1975-12-31 1983-06-27 Poma 2000 Sa Transportanleggning med separata vagnar som er anordnade att forflyttas lengs en bana med hjelp av atminstone en daglina som ror sig lengs banan

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4924776A (en) * 1987-10-30 1990-05-15 Georg Uttscheid Switch for a floor transportation system

Also Published As

Publication number Publication date
IT8420782A0 (it) 1984-05-03
EP0174310A1 (fr) 1986-03-19
IT8420782A1 (it) 1985-11-03
SE8302494D0 (sv) 1983-05-03
IT1174544B (it) 1987-07-01
JPS60501204A (ja) 1985-08-01

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