| 摘要 |
FIELD: transport.SUBSTANCE: invention relates to aircraft engineering, particularly, to aircraft undercarriage. Undercarriage comprises gear 220 with lower rotary part 201, 223 and one drive mounted at said gear to selective control said lower rotary part. Besides, undercarriage incorporates selective force transfer device including first element 1, 101, 201 and second element 2, 102, 202 arranged to displace on said first element. Friction member 4, 104, 204 is arranged between said first and second elements to create friction force there between. Proposed device comprises means 10, 11, 13, 110, 210 to control change of pre-stress developed by pressure member to act on friction member. Said means allow notable reduction in said pre-stress to zero. Proposed device is arranged at undercarriage so that first element 201 is fixed to lower rotary part to turn therewith while second element 202 is fixed undercarriage section controlled by direction drive.EFFECT: ruled out undercarriage damage.3 cl, 4 dwg |
