| 摘要 |
FIELD: transport.SUBSTANCE: invention relates to aircraft maintenance facilities, in particular to devices for their towing. Small-size device for aircraft towing contains towing dolly, engine (2) with reducing gear and hydraulic pump (3) with distributor, hydraulic cylinders (7), steering gear. Mechanism for lifting and fixation of aircraft front stand wheels (wheel) consists of catch, rotating ramp (5) mounted on towing dolly frame (1) with possibility to rotate around rotary axis (4) in vertical plane, and hydraulic cylinders (7) pivotally mounted between towing device frame and upper part of rotating ramp. Upper part of rotating ramp is located above towing device frame and can be U-shaped, and lower part of rotating ramp is made as guides for wheel(s) of aircraft front stand and is L-shaped with slots (9) for catches (8) installation in them. Guides are interconnected by bridge which serves as stopper for wheel(s) of aircraft front stand.EFFECT: invention improves grip of towing device.2 dwg |
