EP0342198A1 - Vehicule de remorquage pour man uvrer des avions - Google Patents

Vehicule de remorquage pour man uvrer des avions

Info

Publication number
EP0342198A1
EP0342198A1 EP88901043A EP88901043A EP0342198A1 EP 0342198 A1 EP0342198 A1 EP 0342198A1 EP 88901043 A EP88901043 A EP 88901043A EP 88901043 A EP88901043 A EP 88901043A EP 0342198 A1 EP0342198 A1 EP 0342198A1
Authority
EP
European Patent Office
Prior art keywords
blade
vehicle according
towing vehicle
nose wheel
gripping
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.)
Pending
Application number
EP88901043A
Other languages
German (de)
English (en)
Inventor
Franz Johannes CÜRTEN
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.)
Goldhofer Fahrzeugwerk GmbH and Co
Original Assignee
Goldhofer Fahrzeugwerk GmbH and Co
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 Goldhofer Fahrzeugwerk GmbH and Co filed Critical Goldhofer Fahrzeugwerk GmbH and Co
Publication of EP0342198A1 publication Critical patent/EP0342198A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
    • B64F1/00—Ground or aircraft-carrier-deck installations
    • B64F1/22—Ground or aircraft-carrier-deck installations for handling aircraft
    • B64F1/223—Ground or aircraft-carrier-deck installations for handling aircraft for towing aircraft
    • B64F1/225—Vehicles specially adapted therefor, e.g. aircraft tow tractors
    • B64F1/227—Vehicles specially adapted therefor, e.g. aircraft tow tractors for direct connection to aircraft, e.g. tow tractors without towing bars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
    • B64F1/00—Ground or aircraft-carrier-deck installations
    • B64F1/22—Ground or aircraft-carrier-deck installations for handling aircraft
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S180/00—Motor vehicles
    • Y10S180/904—Traction dollies for aircraft

Definitions

  • the invention relates to a towing vehicle for maneuvering aircraft without a towing bar, the chassis of which has a fork-shaped receiving space between the wheels of a wheel axle, in which a gripping and retracting device which interacts with a lifting device is arranged, by means of which the nose wheel of the Aircraft can be detected and pulled onto a shovel that can be raised and lowered relative to the chassis.
  • towing vehicle of this type is known (DE-PS 33 18 077), which has three relatively narrow lifting blades, which are each pivotally mounted in tilting joints and one of which is the vehicle-side end of the receiving space of the front of the nose wheel to be gripped, the two other tilting buckets, on the other hand, are assigned to the open end of the receiving space and thus to the rear side of the nose wheel, namely near the ground.
  • the gripping device can be moved out of the fork-shaped receiving space to the rear.
  • additional hold-down devices that come into contact with the nose wheel in the upper area of its U fangs.
  • the nose wheel is grasped and compressed at points on its circumference that do not correspond to its normal, usual support on the ground, and is thus deformed, so that undesirable stresses on the nose wheel occur.
  • a further disadvantage is that when the nose wheel is drawn into the receiving space, the known gripping device is initially moved out of this receiving space considerably, thus protruding beyond the limitation of the rear opening of the receiving space, which leads to increased technical effort due to the considerable lengths of the lever arms that are created to master the gripping device mechanically or in terms of strength.
  • the object on which the invention is based is seen in creating a towing vehicle of the type mentioned at the outset which has a simpler, mechanically more easily controllable structure with fewer components and largely avoids jamming of the nose wheel or additional stress on the same.
  • This object is achieved according to the invention in that a single blade for supporting the nose wheel is present in the area of the line of action of the nose wheel load, and in that the gripping device is limited in its extendibility to the length of the receiving space.
  • the gripping and retracting device is arranged away from the ground and not, as in the known, known towing vehicle, near the receiving surfaces of the narrow tilting buckets there and thus near the ground, as can lead to ground contact and possible damage.
  • the blade is also continuously adjustable about an imaginary longitudinal axis in an angular position to the horizontal axis, according to
  • the blade can be raised, lowered and tilted into an angular position on the chassis via lower and upper trailing arms and can be actuated via fluid cylinders, the upper and lower trailing arms forming a parallelogram linkage which is articulated on the one hand on the chassis and on the other hand on the bucket .
  • the lines of action of the upper trailing arms preferably intersect at a point forming a pendulum point of the blade on the imaginary longitudinal axis.
  • the lower trailing arms can be arranged approximately parallel to the longitudinal axis of the vehicle and engage with their shovel-side articulation points on each side wall of the shovel.
  • the arrangement can be such that the blade can be automatically adjusted to an inclination of the nose wheel.
  • the lines of action of this unit are expediently arranged in mirror symmetry to the longitudinal median plane.
  • the two units are communicatively connected to one another with respect to their fluid, in order to enable the angular position of the blade to be set automatically under the influence of the movement of the nose wheels when cornering.
  • the communicating connection can be blocked.
  • the gripping and retracting device and an ejection device serving to push the nose wheel away from the blade at the end of the maneuvering process are connected to the blade in an axially fixed manner.
  • the arrangement, ie the gripping and retracting device which can be moved in and out along with the ejection device on the one hand and the blade on the other hand, is essentially H-shaped in plan view. This configuration is particularly advantageous in embodiments in which the lifting and lowering of the bucket is achieved simply by tilting the bucket about a horizontal axis, wherein according to the invention the horizontal axis is arranged on the chassis and the tilting position of the bucket can be adjusted in a controlled manner relative to the chassis.
  • At least one fluid cylinder piston unit is available as a lifting device for the controlled adjustment of the tilting position of the blade.
  • an essentially vertically displaceable pivot arm can be used with its one end hinged to the horizontal axis, on which the blade is fixedly arranged and with which the blade can be raised, lowered and pivoted.
  • the swivel arm can be formed by the two basic elements of the telescopic supports, the ends of which on the vehicle side can be pivoted about the horizontal axis.
  • the H-shape is thus formed on the one hand by the two mutually parallel base elements of the telescopic supports, which can be pivoted with their one ends about the horizontal axis and are firmly connected to the blade with their other ends, and on the other hand by the blade itself, which forms the crosspiece represents the H, and the extendable elements of the carrier, which represent the two nose wheel-side webs of the H and have pivotable gripping arms at their ends, which can reach behind the nose wheel.
  • the ejection device is there
  • Fluidzyl inder-Kol ben units one end of which is articulated on the carrier or swivel arm and the other end of which has a slider which is axially arranged in a guide rail arranged axially parallel on the carrier or arm is displaceable and on which an ejection arm is arranged.
  • the swivel arm when using a substantially vertically pivotable swivel arm on which the blade is fixedly arranged and with which the latter can be raised, lowered and swiveled, with swiveling gripping arms at the free ends of the two carriers which receive the nose wheel between them having, gripping and Einzug ⁇ device, the swivel arm suitably consists of the two supports, which are tubular and whose ends on the vehicle side are pivotable about the horizontal axis.
  • the two carriers each have longitudinal guide slots running inwards towards the nose wheel.
  • An axially displaceable slide shoe is guided in each of the supports, which receives a lever head which can be pivoted eccentrically about a vertical axis with respect to the line of action of a cylinder-piston unit, the respective gripper arm being arranged at the pivoting end of the lever head.
  • the advantage is achieved that, according to the length of the swivel arm, the bucket does not pivot on a narrow circular path in the vertical plane, as is the case with The closest prior art is the case, but that the circular path can have a relatively large radius, which contributes to protecting the nose wheel during operation of the device.
  • the extension device and the gripping and drawing-in device are extended to the rear and the gripping arms of the gripping and drawing-in device, which are suitably provided with support rollers, are either pivoted backwards or downwards in order to expose the insertion opening of the receiving space for the nose wheel.
  • the bucket is in the driving position, i.e. it is raised.
  • the towing vehicle now travels backwards until the nose wheel rests on the ejection arms of the ejection device, which expediently also have support rollers.
  • the bucket is then lowered by retracting the lifting cylinder or cylinders, the gripping arms with their support rollers are pivoted behind the nose wheel and the parking brake of the vehicle
  • the nose wheel is then pulled onto the blade by retracting the gripping and drawing-in device so far that it comes to rest on the support rollers of the ejection device's ejection arms.
  • Appropriate control of the lifting cylinders then raises the bucket with the nose wheel and, if necessary, locks it to the frame of the chassis.
  • the blade can swing laterally on its suspension, but does not pivot about a horizontal axis independently of its suspension; Such pivoting is rather tied to the movement of the suspension itself, thus to a movement of the swivel arms, carriers, articulation points of the trailing arms and the like.
  • Figure 1 shows a first embodiment of the towing vehicle with raised bucket in side view
  • FIG. 2 further details of the embodiment according to FIG. 1;
  • FIG. 3 shows the towing vehicle according to FIG. 1 with the gripping and drawing-in device extended;
  • FIG. 4 the towing vehicle according to FIG. 3 with the gripping arms pivoted in;
  • FIG. 5 shows the top view of the towing vehicle according to FIG. 3 with the gripper arm swung out (upper half) and swiveled gripper arm (lower half);
  • FIG. 6 shows a schematic and enlarged side view of the bucket with a basic illustration of the gripping and drawing-in device in adaptation to two different nose wheel diameters
  • Figure 7 shows the swivel mechanism of a gripper arm in plan view
  • FIG. 8 schematically shows a partial section through a further embodiment of a gripping and drawing-in device
  • FIG. 9 shows a section through the device according to FIG. 8 along the line IX-IX in FIG. 10;
  • Figure 10 is a section along the line X-X in Fig. 8;
  • FIG. 11 schematically shows a further embodiment of the towing vehicle in a side view with a shovel that can be raised and lowered and tilted in the raised position;
  • Figure 12 is a plan view of the embodiment of Fig. 11;
  • FIG. 13 details of the embodiment according to FIG. 12 in an enlarged representation
  • FIG. 14 shows a side view of the illustration according to FIG. 13 in the raised state of the blade with the gripping and pulling-in and ejecting devices retracted;
  • FIG. 15 shows the same representation as FIG. 14 in the lowered position of the blade with the gripping and pulling-in and ejecting devices extended;
  • FIG. 16 shows the front view of the bucket from the vehicle side, on the left in the raised position and on the right in the lowered position;
  • FIG. 17 shows an end view according to FIG. 16 on the left with the blade inclined
  • FIG. 18 shows a schematic side view of the blade with the nose wheel resting on it
  • FIG. 19 shows the front view of the nose wheel according to FIG. 18 when the towing vehicle is cornering.
  • the towing vehicle 1 shown in FIGS. 1 to 5 has a driver's cab 2 which is arranged at the front end of a U-shaped chassis 5 which in the exemplary embodiment shown has a front axle 3 and a rear axle 4.
  • the front axle 3 is designed as a steering axle
  • the rear axle 4 is rigid.
  • the rear axle 4 can optionally also be steerable.
  • multi-axle vehicles are also possible.
  • the U-shaped chassis 5 has two legs
  • the drive unit 10 is arranged approximately in the middle of the chassis 5.
  • 1 to 5 consists of a horizontal pivot axis 11 with pivot bearings 12 for one end of opposite, spaced-apart pivot arms 13.
  • the two opposite pivot arms 13 are fixed with a blade 14th connected, as shown in Fig. 6.
  • the blade 14 has an L-shaped profile and consists of an approximately vertical end wall 16, which is adjoined by a support surface 15 near the ground, on which the nose wheel 24, 24 'of an aircraft will rest.
  • pivot arm 13 is connected to the end wall 16 of the blade 14 via a connection point 17. So this is a one-armed lever, the scoop . 14 is arranged at the free, pivotable end of the one-armed lever or pivot arm 13.
  • fluid cylinders 37 are provided which engage on the underside of each swivel arm, in each case on the lower part of the chassis 5 on a cross member 39 on the one hand and on the underside of the respective swivel arm 13 according to FIGS. 1 to 4 on the other hand and overall form a lifting device.
  • 1 and 3 show the raised position of the lifting device.
  • actuator from fluid cyl in 37 would then start immediately below the blade at its free, pivotable end.
  • Another embodiment described in the description is related to the fact that the blade cannot be pivoted, but rather can be raised and lowered in an
  • FIG. 1 and 2 show the retraction device in the retracted state
  • FIG. 3 shows the retraction device in the extended and raised state
  • FIG. 4 shows the retraction device in the extended and lowered state.
  • the feed device here consists of the base element 19a of a telescopic support 19a, 19 (FIG. 5), which in the present exemplary embodiment is identical to the swivel arm 13.
  • An extension element 19 is arranged in the base element 19a so as to be telescopically displaceable, the displacement drive being provided by a fluid cylinder-piston unit
  • Swivel arm 13 is received in a swivel axis 18 and with its piston rod 21 via a connecting piece 22 with the rear, free end of the extension element 19
  • the extension element 19 is moved out of the base element 19a in the direction of arrow 27 and in the opposite direction. It is provided that the length of the extension element 19 is dimensioned such that a gripping arm 23 arranged at the rear, free end of the same does not protrude beyond the boundary of the rear opening 9. This dimensioning is preferred in order to avoid that the extension element 19 can become so long that the entire feed device would be difficult to control mechanically.
  • the gripping arm 23 arranged at the rear end of the extension element 19 consists of a cradle 25 which is pivotably mounted on the extension element 19 and which carries rollers 26 which are arranged at a distance from one another and parallel to one another.
  • the gripping arm 23 always engages above the axis of rotation 40 of the nose wheel 24 to be gripped and retracted. This ensures that the line of action 41 is always inclined downwards towards the ground and, in addition to the pulling force acting in the horizontal plane, a downward force is simultaneously exerted on the nose wheel 24.
  • the pull-in device can act on both a nose wheel 24 with a relatively large diameter and a nose wheel 24 'with a smaller diameter as a result of the cradle 25. In all cases, it is ensured that the point of engagement of the gripper arms 23, which lies in the region of the longitudinal axis 42 of the swivel arm 13, is always above the axis of rotation 40 of the respective nose wheel 24, 24 '.
  • the gripping and drawing-in device designated overall by reference numeral 28 (FIG. 1), is thus first extended as shown in FIG. 3, the gripping arms 23 assuming their pivoted-out position as shown in FIG. 5 above.
  • the vehicle 1 is then maneuvered with its rear-side receiving space 8 relative to the nose wheel 24, 24 'of the aircraft to be recovered so that the nose wheel 24, 24 l is in the receiving space 8.
  • the gripping arms 23 which are in the pivoted-out position are then pivoted in the direction of arrow 49 (FIGS. 5 and 7 below) so that they are located behind the nose wheel 24 according to FIG.
  • the opposing units 20 are actuated, as a result of which the extension elements 19 are retracted into the base elements 19a in the direction of arrow 27 (FIG. 5) and the nose wheel 24 then rolls up on the support surface 15 of the blade 14, which is lowered to the ground due to this pull-in force, which in turn in FIG Fig. 6 is shown.
  • the pivot drive of the gripper arms 23 for pivoting in the direction of arrow 49 and in the opposite direction to this can be designed differently.
  • Fig. 7 it is shown that the pivoting of the respective gripper arm 23 takes place via its own fluid cylinder-piston unit 44, which is arranged in the extension element 19.
  • One end of the unit 44 is firmly connected to the extension element 19, while its piston rod 45 attaches to a lever arm 46 via a pivot bearing 47, the other end of which is mounted in a pivot point 48 which is arranged on the extension element 19.
  • the gripper arm 23 is connected in a rotationally fixed manner. If the unit 44 is now actuated according to FIG. 7, the piston rod 45 extends and the pivot bearing 47 executes a circular arc movement about the pivot point 48, as a result of which the gripping arm 23 is pivoted into its position 29 'in the direction of arrow 49.
  • the ejection device 30 (FIG. 1) will now be described below, which serves to transport the nose wheel 24, which is supported on the support surface 15, down again from the blade 14.
  • the gripping and drawing-in device 28 conveys the nose wheel 24 up to the bucket 14 to such an extent that it either lies against the end wall 16 or on rollers of the ejection device 30 which are opposite the drawing-in device 28 and with it is aligned on the longitudinal axis 42.
  • the ejection device consists of a fluid cylinder / piston unit 31 which is arranged at one end in the region of a pivot axis 29 (FIG. 5) on the base element 19a.
  • the piston rod 32 of the unit 31 acts as shown in FIG. 3 on a sliding block 34, which in the
  • Extension arms 43 are formed which, in the direction of arrow 27 (FIG. 5), can either be moved into their position 43 '(FIG. 5 below) or moved out (FIG. 5 above) by actuating the units 31.
  • FIGS. 8 to 10 show a further exemplary embodiment for the swivel drive of the gripping arms 23 of the gripping and pulling-in device.
  • This pull-in device is designated by reference numeral 68 because its function differs from that of the pull-in device 28 of the exemplary embodiment according to FIGS. 1 to 7.
  • the retraction device 68 consists of tubular supports 50 which are pivotably mounted on one side on the chassis 5 and in each of which a slide shoe 54 is arranged to be axially displaceable and receives a lever head 56 which can be pivoted in the vertical axis.
  • the lever head 56 is mounted eccentrically in the sliding block 54 with respect to the point of engagement (bolt 57) of a piston rod 55.
  • the gripping arm 23 is arranged on the free pivoting range of the lever head 56.
  • the advantage of this design is that only one fluid cylinder-piston unit is required for the swivel drive of the gripper arm 23 and for the longitudinal drive of the feed device in the direction of arrow 27 and in the opposite direction, the piston rod 55 of which is shown in FIGS. 8 to 10.
  • the carrier 50 here consists of a square tube or C-shaped profile, in the interior of which the sliding block 54 is longitudinally displaceable by driving the piston rod 55 via a fluid cylinder, not shown
  • the C-shaped profile of the carrier 50 forms a longitudinal slot 52, through which a connecting arm 67 to the gripping arm 23 extends.
  • Locking bolt 58 in alignment to an ejector bolt 61 which can be moved coaxially in the carrier 50 and is hydraulically, pneumatically or electromechanically driven. As soon as the longitudinal axis 62 of the ejection pin 61 with the
  • the ejection pin 61 interlocks between the carrier 50 and the sliding block 54, so that the latter is locked in the carrier 50.
  • Towing vehicle which has a lifting and lowering and inclinable blade 14.
  • the blade is pivotally and tiltably mounted on the chassis 5 via upper trailing arms 73, 74 and lower trailing arms 70, 71, the upper trailing arms 73, 74 and lower trailing arms 70, 71 forming a parallelogram linkage, at the free pivotable four points of which the shovel 14 starts.
  • One or more fluid cylinder piston units 77 are provided for lifting and lowering the blade 14. It can be seen from the illustration in FIGS. 12 and 13 that the action lines 75, 76 of the upper trailing arms 73, 74 intersect at a pendulum point 78 which lies in the longitudinal axis 79 of the vehicle. This ensures that the upper, free end of the blade 14 cannot be moved laterally out of the axis 79 of the vehicle.
  • the lines of action of the lower trailing arms 70, 71 are arranged approximately parallel or at most at an acute angle to the longitudinal axis 79 of the vehicle, which ensures that the support surface 15 forming the bottom of the blade 14 has the inclination to the horizontal plane required in the present exemplary embodiment, i.e. around an axis substantially parallel to the longitudinal axis.
  • FIG. 14 shows the same design as FIGS. 11 to 13, with the gripping and drawing-in device 28 and ejection device 30 being retracted.
  • FIG. 15 shows the same design as FIG. 14, the same parts being provided with the same reference numerals as in all of the drawings.
  • the blade 14 is lowered to the floor and the feed device 28 and the
  • 16 and 17 show the end view of the blade 14, it being recognizable that here two fluid cylinders 77 are present, the lines of action 83, 84 (FIG. 17) of which intersect in the region of the longitudinal center plane 82. This ensures that the blade 14 with its support surface 15 can adapt to any inclination of the aircraft landing gear 81 (FIGS. 18, 19).
  • a single fluid cylinder 77 is also possible; in this case it would then be necessary for the line of action of this fluid cylinder 77 to lie in the longitudinal center plane 82.
  • FIG. 17 shows an inclination axis 72, which is shown again in FIG. 19.
  • the nose landing gear 81 has a strut 85, indicated by dash-dotted lines, the longitudinal axis of which forms an angle 86 with the vertical in order to ensure the required wake of the nose wheel 81.
  • the linkage articulating the blade 14 on the chassis 5 from lower trailing arms 70, 71 and upper trailing arms 73, 74 not only the shape of a parallelogram, but also that of a trapezoid (which still has two parallel sides of the has quadrilateral described in the side view of the trapezoid) and, moreover, that of an irregular quadrangle (again in the side view) with different side lengths, such that, due to the different distances between the respective articulation points, according to the laws of kinematics, different movements of the blade occur their raising and lowering can result.
  • the upper trailing arms can be made longer than the lower trailing arms, such that the blade 14 is not displaceably guided parallel to itself, but instead performs a tilting movement, such that, for example in the lowered position, the blade 14 is tilted forward and with it The leading edge rests on the ground, so that the contact surface for the nose wheel is inclined towards the ground and towards the nose wheel, while after the nose wheel 24 is pulled in, as soon as it rests on the blade 14, the blade is pivoted backwards when the blade is raised, so that the leading edge of the blade originally resting on the ground is finally in a raised position of the blade relative to an imaginary horizontal plane higher than the end of the blade facing the vehicle, and thus its angle, so that gravity already practically locks the nose wheel 24 on the blade 14 takes place, namely dadur ch that the support surface of the blade 14 inclined towards the vehicle side, the nose wheel under the influence of gravity against the stop surface
  • the blade 14 can run and come to rest there, which is formed by the upstanding part 16 of the blade 14.
  • 70, 71 or 73, 74 can each be designed as a fluid cylinder-piston unit, which according to the invention offers additional possibilities with regard to displacement of the blade 14 by pivoting about horizontal axes, tilting about longitudinal axes and lifting or

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Handcart (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

Un véhicule de remorquage pour déplacer des avions sans barre de remorquage possède un châssis (5) présentant entre les roues d'un essieu un espace de réception fourchu dans lequel est agencé un dispositif de préhension et de traction (28, 68) qui peut être rentré ou sorti et qui coopère avec un dispositif de levage et au moyen duquel la roue avant (24) de l'avion peut être saisie et tirée sur une aube (14) pouvant monter et descendre par rapport au châssis. Une seule aube (14) est prévue pour supporter la roue avant (24) dans la région de la ligne d'influence de la charge de ladite roue, empêchant ainsi les forces de blocage et de déformation d'agir sur la roue avant (24) pendant qu'elle est tirée ou soulevée. L'aube peut pivoter autour d'un axe horizontal agencé sur le châssis, et sa position de pivotement peut être réglée de manière contrôlée par rapport au châssis. Dans une forme perfectionnée, l'aube est en plus inclinable selon un certain angle par rapport à l'axe horizontal, empêchant ainsi l'apparition de contraintes inacceptables lorsque le véhicule de remorquage portant la roue avant effectue un trajet en courbe. De préférence, l'aube est articulée sur le châssis par l'intermédiaire d'une timonerie en forme de parallélogramme (70, 71, 73, 74) ou de trapèze.
EP88901043A 1987-01-23 1988-01-22 Vehicule de remorquage pour man uvrer des avions Pending EP0342198A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3701971 1987-01-23
DE3701971 1987-01-23
DE3705402 1987-02-20
DE3705402 1987-02-20

Publications (1)

Publication Number Publication Date
EP0342198A1 true EP0342198A1 (fr) 1989-11-23

Family

ID=25851804

Family Applications (4)

Application Number Title Priority Date Filing Date
EP88901043A Pending EP0342198A1 (fr) 1987-01-23 1988-01-22 Vehicule de remorquage pour man uvrer des avions
EP19910103598 Withdrawn EP0437286A3 (en) 1987-01-23 1988-01-22 Aircraft ground-handling vehicle
EP88100930A Expired - Lifetime EP0276779B1 (fr) 1987-01-23 1988-01-22 Véhicule tracteur pour la manutention des aéronefs
EP19910103597 Withdrawn EP0437285A3 (en) 1987-01-23 1988-01-22 Aircraft ground-handling vehicle

Family Applications After (3)

Application Number Title Priority Date Filing Date
EP19910103598 Withdrawn EP0437286A3 (en) 1987-01-23 1988-01-22 Aircraft ground-handling vehicle
EP88100930A Expired - Lifetime EP0276779B1 (fr) 1987-01-23 1988-01-22 Véhicule tracteur pour la manutention des aéronefs
EP19910103597 Withdrawn EP0437285A3 (en) 1987-01-23 1988-01-22 Aircraft ground-handling vehicle

Country Status (7)

Country Link
US (1) US5336037A (fr)
EP (4) EP0342198A1 (fr)
JP (1) JPH0696400B2 (fr)
AT (1) ATE67724T1 (fr)
DE (2) DE3844744C2 (fr)
ES (1) ES2025707T3 (fr)
WO (1) WO1988005399A1 (fr)

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GB8805133D0 (en) * 1988-03-03 1988-03-30 Soil Machine Dynamics Ltd Aircraft ground handling vehicle
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US4950121A (en) * 1989-01-25 1990-08-21 Aeromover Systems Inc. Universal method and apparatus for attaching an aircraft tug to an airplane
EP0394535B1 (fr) * 1989-04-28 1993-03-24 MAN Gutehoffnungshütte Aktiengesellschaft Remorqueur d'avion sans barre de remorquage (barre télescopique)
DE58905326D1 (de) * 1989-04-28 1993-09-23 Gutehoffnungshuette Man Flugzeug-schlepper ohne schleppstange (drehschaufel).
DE3917255A1 (de) * 1989-05-26 1990-11-29 Schopf Masch Verfahren und vorrichtung zum aufnehmen eines flugzeugbugfahrwerks durch einen flugzeugschlepper
DE4009419C2 (de) * 1990-03-23 1997-09-11 Krauss Maffei Ag Bugfahrwerk-Einspannvorrichtung für ein Flugzeug-Schleppfahrzeug
ES2066040T3 (es) * 1990-06-08 1995-03-01 Aeromover Systems Corp Remolcador de aviones.
DE4102861C2 (de) * 1991-01-31 1996-01-25 Krauss Maffei Ag Schleppfahrzeug für Flugzeuge
WO1992013762A1 (fr) * 1991-01-31 1992-08-20 Krauss-Maffei Aktiengesellschaft Vehicule de remorquage d'avions
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Publication number Publication date
ES2025707T3 (es) 1992-04-01
EP0276779A1 (fr) 1988-08-03
DE3844744C2 (de) 1997-05-28
US5336037A (en) 1994-08-09
EP0437286A3 (en) 1992-06-03
JPH02502001A (ja) 1990-07-05
EP0437285A3 (en) 1992-06-03
EP0276779B1 (fr) 1991-09-25
JPH0696400B2 (ja) 1994-11-30
EP0437285A2 (fr) 1991-07-17
EP0437286A2 (fr) 1991-07-17
ATE67724T1 (de) 1991-10-15
DE3844743C2 (de) 1996-02-29
WO1988005399A1 (fr) 1988-07-28

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