EP0796776A1 - Vorrichtung zum Transport von Lasten durch ein selbstfahrendes, schienengebundenes Laufwerk mit 4o kp Nutzlast - Google Patents

Vorrichtung zum Transport von Lasten durch ein selbstfahrendes, schienengebundenes Laufwerk mit 4o kp Nutzlast Download PDF

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Publication number
EP0796776A1
EP0796776A1 EP96400593A EP96400593A EP0796776A1 EP 0796776 A1 EP0796776 A1 EP 0796776A1 EP 96400593 A EP96400593 A EP 96400593A EP 96400593 A EP96400593 A EP 96400593A EP 0796776 A1 EP0796776 A1 EP 0796776A1
Authority
EP
European Patent Office
Prior art keywords
rails
axis
central part
pinions
wheels
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.)
Granted
Application number
EP96400593A
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English (en)
French (fr)
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EP0796776B1 (de
Inventor
Pierre-René Douard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fluidelec
Original Assignee
Fluidelec
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Filing date
Publication date
Application filed by Fluidelec filed Critical Fluidelec
Priority to DE69606159T priority Critical patent/DE69606159D1/de
Priority to EP96400593A priority patent/EP0796776B1/de
Priority to AT96400593T priority patent/ATE188655T1/de
Publication of EP0796776A1 publication Critical patent/EP0796776A1/de
Application granted granted Critical
Publication of EP0796776B1 publication Critical patent/EP0796776B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C11/00—Locomotives or motor railcars characterised by the type of means applying the tractive effort; Arrangement or disposition of running gear other than normal driving wheel
    • B61C11/04—Locomotives or motor railcars characterised by the type of means applying the tractive effort; Arrangement or disposition of running gear other than normal driving wheel tractive effort applied to racks

Definitions

  • the present invention relates to a device for transporting loads on rails of the type comprising a motor having an electric gear motor driving a toothed wheel which engages on a rack fixed to the rail.
  • a motor having an electric gear motor driving a toothed wheel which engages on a rack fixed to the rail.
  • the output torque of the gear motor is sufficient to drive the entire device both horizontally and vertically.
  • the object of the present invention is to eliminate this drawback. To this end, it offers a device of the aforementioned type capable of transporting payloads of 40 kg on rails similar to those of the power train of 10 kg of payload.
  • this device is characterized in that the powerplant comprises a central part provided with rolling means on the rails and removable support and fixing means for the load; and two axially opposite end parts relative to the central part, each of these two parts comprising a geared motor assembly coupled to drive means on the rail; this assembly being connected to the central part by a double articulation system comprising a central axis perpendicular to the plane of the rails and a transverse shaft parallel to said plane, and comprising two coaxial wheels engaged on the rails in two locations axially offset from the training means.
  • This structure provides many advantages. First of all, the available power is doubled, while distributing the force applied to the rails on two points by the respective drive means of the two end parts. Then, the weight of the device is better distributed on the rails, the load being supported by the central part and the two motors being arranged respectively in the two end parts. In this way, the values of the stresses exerted on the rails by a single power train of 10 kg of payload are not exceeded. Because only one load-bearing structure is used for two motors, the payload capable of being transported is increased, without increasing the total weight of the device. Finally, thanks to the articulation connecting the two end parts, the size of the central part does not need to be increased, so that the device can borrow the same rails with the same radius of curve as the appliances with only one motor.
  • the central part comprises a rigid structure carried on the rails by a train of at least four independent bogies, each bogie comprising an orientable arm carrying at least two wheels engaged on a rail and arranged in a same plane, said arm being articulated both along an axis perpendicular to the plane of the rails and along a transverse axis parallel to said plane, in order to be able to orient tangentially to the rails.
  • the central part comprises an electronic module intended to regulate and synchronize the speed of the drive means.
  • the drive means each comprise a pinion which meshes with a rack fixed to the rails, the pinion being mounted movable in translation with spring return, along an axis perpendicular to the plane of the rails.
  • the pinion is kept in contact with the rack regardless of the configuration of the rails.
  • the device according to the invention can move both horizontally and vertically, and on horizontal, concave or convex curves.
  • the transport device shown in Figures 1 and 2 has a symmetrical structure with respect to a transverse median plane YY ', ZZ'.
  • a rigid central module 1 comprising an upper plate 4 carried by four uprights 3.3 'perpendicular to the plate 4 and parallel to a first transverse axis ZZ', and two tractors 10 coupled respectively on two opposite sides of the central module 1 relatively to a longitudinal axis XX '.
  • the four uprights 3.3 ′ are connected at their lower ends respectively to four independent bogies, each of the bogies comprising an adjustable arm 5.5 ′ carrying two wheels 7.8 arranged in the same plane parallel to the longitudinal axis XX ′ and whose axes of rotation are parallel to a second transverse axis YY 'perpendicular to the first ZZ'.
  • Each of the arms 5.5 ′ can be oriented tangentially to the rails by means of a system of articulations pivoting around two perpendicular axes 31, 32, namely an axis 32 parallel to the first transverse axis ZZ 'and an axis 31 parallel to the second transverse axis YY '.
  • the uprights 3.3 ′ are each connected to the arms 5.5 ′ of the bogies by means of a yoke 29 pivotally mounted around the axis 31 on the upright 3.3 ′.
  • This yoke 29 has a cross section along the transverse plane YY ', ZZ' U-shaped, the axis 31 extending perpendicularly to the outer face connecting the branches of the U, the axis 32 passing through the portions constituting the branches of the U between which the arm 5.5 ′ of the bogie is pivotally mounted around the axis 32.
  • the arm 5.5 ′ of each bogie is moreover brought to a neutral position around the axis 32 by a leaf spring 30 .
  • the uprights 3.3 ′ are connected two by two respectively by two crosspieces 2.2 ′ parallel to the longitudinal axis XX ′, the latter being connected by a perpendicular crosspiece 6.
  • the structure of the central module is made of light alloy tubular profiles.
  • Each of the two tractors 10 comprises an electric motor 11 coupled to a reduction gear 12 having a slow output shaft 13.
  • the electric motor 11 is held by an arch 14 secured to a carriage 15 mounted on two coaxial wheels 16,16 'arranged in the same plane as the wheels 7,8 carried by the arms 5,5'.
  • the reduction gear 12 drives a pinion 17 secured to the slow shaft 13 and intended to mesh with a rack secured to the rails.
  • the reduction gear 12 is fixed to a yoke 18 integral with the carriage 15, crossed by the shaft 13 and disposed between the reduction gear 12 and the pinion 17.
  • the upper part of the yoke 18 is pivotally mounted under the plate 4 by means of 'a universal joint 19, so that the yoke 18 with the assembly of the carriage 15 can pivot relative to the central module 1 around two perpendicular axes 20,21, namely an axis 20 parallel to the second transverse axis YY', and an axis 21 parallel to the first transverse axis ZZ '.
  • the gimbal 19 can also move transversely along the axis 21 with return by a spring 22 to a position remote from the plate 4, the axis 21 being fixed to the plate 4 for example, using a nut or a clip 23.
  • the gimbal 19 is also guided in its transverse movements along the axis 21 by guide means comprising for example plates 24 fixed on the underside of the plate 4, on either side of the axis 21.
  • each of the two carriages 15 carrying the motor 11, the geared motor 12 and the pinion 17, is capable of pivoting around the axes 20 and 21, and of moving transversely along the axis 21, the spring 22 applying to pinion 17, via cardan 19 and the yoke 18, a pressing force directed towards the rail.
  • the output shaft 13 of each reduction gear 12 opens out on each side of the reduction gear 12 so as to be able to place the pinion 17 either on one side or the other thereof.
  • This arrangement makes it possible to use two identical tractors 10, the pinions 17 possibly being arranged respectively on one side and on the other of the reducers 12 of the two tractors 10 so as to be located in the same plane as the rack.
  • the plate 4 carries removable means for fixing the load which consist for example of a slide 33 ensuring the maintenance of the load in all positions, and an electronic module 26 comprising a microprocessor card intended to manage the automations of the power train and the mission's data.
  • This electronic module 26 also includes two power cards intended to supply 24 V DC to the electric motors 11.
  • the pinions 17 comprise ferromagnetic inserts 28 distributed around their periphery, and two sensors 27 are placed respectively opposite the pinions 17 so as to detect the passage of the inserts when the pinions are rotated.
  • the number of inserts 28 per pinion 17 is determined so as to obtain, thanks to the sensors 27, detailed information on the real speed of each pinion 17.
  • the electronic module 26 is designed to give tractors the order to adopt a determined speed. This order is sent to the power cards which deliver the desired voltage to the electric motors 11.
  • the microprocessor card receives information from the sensors on the actual speed of each pinion 17, and calculates, on the basis of this information, correction orders which it sends to the power card so as to regulate the speed of the motors 11.
  • the rail 40 comprises a substantially planar portion 41 connecting two lateral portions 43 having a U-shaped profile, the branches of which are oriented parallel to the planar portion 41. These lateral portions 43 are intended to receive the wheels 7,8, 16,16 ', so as to maintain the device whatever the orientation of the rail 40.
  • the rail 40 also includes two fixing grooves 48 formed on one of the faces of the flat portion 41 and two grooves 49 formed on the other face, one being intended to receive a support 42 with three conductive tracks 44,45,46, while the other maintains a rack 47.
  • the conductive tracks 44 and 45 provide the power supply to the powerplant, and track 46 the transmission of commands intended for the powerplant.
  • the apparatus according to the invention is thus designed to borrow portions of curved rails of small radius, as well as portions of concave or convex rails, of the order of 80 cm in radius.
  • Figure 4 shows the apparatus according to the invention on a portion of curved rail.
  • the four arms 5.5 'of the bogies have pivoted about their respective axes 32 to be placed tangentially to the curve, while the wheels 16, 16' orient the tractors 10, and thus the pinions 17 which are placed substantially tangentially to the rack 47 which follows the curvature of the rails.
  • the motor 11, gear motor 12 and pinion 17 assembly can be articulated so as to pivot around the axis 21 relative to the carriage 15 with a spring of recall of said assembly in a middle position relative to the carriage 15.
  • FIG. 5 which shows the apparatus in a portion of concave rail
  • the arms 5.5 ′ of the bogies have pivoted about their respective axes 31 so as to be placed tangentially to the curve followed by the rails 40
  • the tractors 10 have pivoted around the axes 20, causing the wheels 16, 16 'and the pinions 17 of the two tractors 10 to move apart.
  • FIG. 6 which shows the apparatus on a portion of convex rail, one can observe a displacement in the opposite direction, relative to the representation of FIG. 5, of the arms 5.5 ′ of the bogies around the axes 31 and of the tractors 10 around axes 20.
  • the present invention also relates to an axial rack device, so that two identical tractors can be used.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Transmission Devices (AREA)
  • Handcart (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Sorting Of Articles (AREA)
EP96400593A 1996-03-21 1996-03-21 Vorrichtung zum Transport von Lasten durch ein selbstfahrendes, schienengebundenes Laufwerk mit 4o kp Nutzlast Expired - Lifetime EP0796776B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE69606159T DE69606159D1 (de) 1996-03-21 1996-03-21 Vorrichtung zum Transport von Lasten durch ein selbstfahrendes, schienengebundenes Laufwerk mit 4o kp Nutzlast
EP96400593A EP0796776B1 (de) 1996-03-21 1996-03-21 Vorrichtung zum Transport von Lasten durch ein selbstfahrendes, schienengebundenes Laufwerk mit 4o kp Nutzlast
AT96400593T ATE188655T1 (de) 1996-03-21 1996-03-21 Vorrichtung zum transport von lasten durch ein selbstfahrendes, schienengebundenes laufwerk mit 4o kp nutzlast

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96400593A EP0796776B1 (de) 1996-03-21 1996-03-21 Vorrichtung zum Transport von Lasten durch ein selbstfahrendes, schienengebundenes Laufwerk mit 4o kp Nutzlast

Publications (2)

Publication Number Publication Date
EP0796776A1 true EP0796776A1 (de) 1997-09-24
EP0796776B1 EP0796776B1 (de) 2000-01-12

Family

ID=8225236

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96400593A Expired - Lifetime EP0796776B1 (de) 1996-03-21 1996-03-21 Vorrichtung zum Transport von Lasten durch ein selbstfahrendes, schienengebundenes Laufwerk mit 4o kp Nutzlast

Country Status (3)

Country Link
EP (1) EP0796776B1 (de)
AT (1) ATE188655T1 (de)
DE (1) DE69606159D1 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH464995A (de) * 1966-11-14 1968-11-15 Schweizerische Lokomotiv Zweiachsiges Zahnradfahrzeug
GB1176703A (en) * 1967-03-23 1970-01-07 Konrad Grebe Improvements in or relating to Locomotives for Propelling Conveyor Trains.
DE3031355A1 (de) * 1980-08-20 1982-04-01 Bleichert Förderanlagen GmbH, 6960 Osterburken Schienenfoerdervorrichtung mit durchgehender kopfschiene

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH464995A (de) * 1966-11-14 1968-11-15 Schweizerische Lokomotiv Zweiachsiges Zahnradfahrzeug
GB1176703A (en) * 1967-03-23 1970-01-07 Konrad Grebe Improvements in or relating to Locomotives for Propelling Conveyor Trains.
DE3031355A1 (de) * 1980-08-20 1982-04-01 Bleichert Förderanlagen GmbH, 6960 Osterburken Schienenfoerdervorrichtung mit durchgehender kopfschiene

Also Published As

Publication number Publication date
DE69606159D1 (de) 2000-02-17
EP0796776B1 (de) 2000-01-12
ATE188655T1 (de) 2000-01-15

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