Skate (1) polyvalent for drones comprising two support bars (2), joined together by two tie bars (3), two tie rods (4) attached to the tie bars (3), a front bar ( 12), fixed at one end of the coupling rods (4), and means for attaching to the drone (9), where each coupling rod (4) is movable along the length of the two connecting rods ( 3) and are fixed in different positions of said tie bars (3) and the fastening means to the drone (9) are movable along the coupling rods (4). With the above configuration, the skate is adaptable to a plurality of drone geometries allowing to place different devices associated with the front bar (12) in most of the existing drones, with a quick change of the skate (1). (Machine-translation by Google Translate, not legally binding)

Landing gear for small-sized helicopter

Polyvalent skate for drones (Machine-translation by Google Translate, not legally binding)

Skid landing gear provided with components having a device for absorbing energy by plastic deformation and/or for limiting stress, and components of this type. According to the invention, each of two undercarriage parts comprises a skid 170 connected to the structure to two crosspieces 175 and 176 that are hinged on the structure about an axis parallel to the hinge axis on the structure of the other crosspiece of the same undercarriage part, and at least one component 181 that has a main mechanical and/or hydraulic function, such as a strut, a cross-bracing or control jack, a shock absorber or a shock absorber jack, the component being provided with a device for absorbing energy by plastic deformation and/or for limiting stress, and is connected on the one hand to a crosspiece 176 of the respective undercarriage part and on the other hand either to the corresponding skid 170 or to the structure of the aerodyne. The invention is especially suited to use on helicopters.

Skid landing gear provided with components having a device for absorbing energy by plastic deformation and/or for limiting stress, and components of this type

La poutre flexible en materiaux composites et a forte absorption d'energie a la forme d'un caisson allonge de structure stratifiee comprenant deux semelles rigides (6, 7) reliee par deux voiles (9) ajoures (13). The flexible beam in composite materials and with high energy absorption in the form of an elongate box of laminated structure comprising two rigid flanges (6, 7) connected by two webs (9) perforated (13). Un plot deformable (14') d'absorption d'energie est dispose entre les deux semelles (6, 7) et comporte un bloc d'un materiau elastomere (15). A deformable pad (14 ') for absorbing energy is arranged between the two flanges (6, 7) and comprises a block of elastomeric material (15). Le plot (14') absorbe l'energie de deformation en flambage de la semelle (6) sollicitee en compression lors d'une flexion de la poutre, en prenant appui sur l'autre semelle (7) sollicitee en traction. The stud (14 ') absorbs the energy of deformation by buckling of the sole (6) biased by compression upon bending of the beam, by bearing against the other flange (7) subjected to tensile stress. Le plot (14') controle le flambage de la semelle (6) et ne restitue qu'une partie de l'energie absorbee. The stud (14 ') controls the buckling of the sole (6) and returns only a portion of the energy absorbed. Application a l'equipement notamment des trains d'atterrissage a patins d'helicopteres et des bequilles arrieres pour aerodynes. Application equipment including landing gear for helicopters runners and rear legs for aerodynes.

Landing gear for small-sized helicopter

Citations

Polyvalent skate for drones (Machine-translation by Google Translate, not legally binding)

References

Skid landing gear provided with components having a device for absorbing energy by plastic deformation and/or for limiting stress, and components of this type

Flexible beam with strong energy dissipation, and under-carriage and tail skid equipped with such a beam

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