Connecting device for bearing hanging point on thin wing

Abstract

The invention discloses a connecting device for a bearing hanging point on a thin wing and belongs to the field of airborne overall bodies. The connecting device for the bearing hanging point on the thin wing comprises a first annular gasket, a second annular gasket, a third annular gasket, a fourth annular gasket, a shoulder shaft, an annular cushion block, a bolt, an elastic plugging cover and a bushing; the bolt is directly connected with the shoulder shaft through the annular cushion block; and the bolt tightens the shoulder shaft and the annular cushion block. Through a tightening force, the first annular gasket, the second annular gasket, the third annular gasket and the fourth annular gasket are tightened more and more tightly; and external diameters of the first annular gasket, the second annular gasket, the third annular gasket and the fourth annular gasket are increased so that the first annular gasket, the second annular gasket, the third annular gasket and the fourth annular gasket are pressed against a first mounting step surface of the shoulder shaft to form extrusion; therefore, a force bearing shoulder shaft is formed. A mounting part of the elastic plugging cover is in close fit with an inner hole of the bolt and a limiting part of the elastic plugging cover is inserted between two limiting teeth to achieve a loosening effect. According to the connecting device for the bearing hanging point on the thin wing, through adoption of the fully extruded type bearing joint mechanism, operation spaces of a nut and a tool can be omitted so that the limited space can be preferably utilized; meanwhile, an anti-loosening device is also arranged.

Description

technical field [0001] The invention belongs to the field of overall airborne technology, and in particular relates to a connection device for carrying hanging points at thin wings. Background technique [0002] Aircraft hardpoints are subject to heavy aerodynamic loads and external loads. Some hanging points are designed on the thin wing of the wing. Because the thickness of the wing is very small, the space of the wing structure is limited. Using the traditional shoulder shaft and nut form, the operating space of the nut and tools needs to occupy a certain amount of space. It is difficult to design and realize the requirement of large load capacity in the space at the same time. Contents of the invention [0003] The object of the present invention is: the present invention is a load-carrying hanging point connection device at the thin wing. In the limited height space of the thin wing, the design method of squeezing is adopted, which can realize the design requirement ...

AI Technical Summary

Problems solved by technology

Some hanging points are designed on the thin wing of the wing. Because the thickness of the wing is very small, the space of the wing structure is limited. Using the traditional shoulder shaft and nut form, the operating space of the nut and tools needs to occupy a certain amount of space. It is difficult to design and realize the requirement of large load capacity in the space at the same time

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