Wheel crimping device for aircraft hydraulic cylinder joint bearing

Abstract

The invention discloses a wheel type hemming device for a knuckle bearing of an aircraft hydraulic actuator cylinder, and relates to a tool for hemming a knuckle bearing of an aircraft hydraulic actuator cylinder.The device comprises a pressure machine, a knuckle bearing, a shell, a hemming mechanism, a rack, a handle, stand columns, an upper cross beam, a lower cross beam, a rotating disc and a screw; one end of the screw is fixedly connected with the rotating disc, and the other end of the screw is in threaded connection with the upper cross beam and the lower cross beam in sequence; the topof a rotating connecting head is connected with a cover plate, the upper end of a pressure rod is connected with the screw, the lower end of the pressure rod is located in a rotating connecting cavity, and a thrust bearing is arranged between the pressure rod and the rotating connecting cavity; the upper end of a guide rod is located in a guide hole, and the lower end of the guide rod is locatedin a lower guide hole; the knuckling bearing is arranged on the guide rod in a sleeving mode, and the knuckle bearing is connected with a shell through a bush; and the knuckling bearing, the bush andthe shell are mounted on a base through the guide rod. According to the hemming device, rollers with different shapes can be designed according to different fixing modes of the knuckle bearings, and the application range is wide.

Description

technical field [0001] The invention relates to a tool for crimping joint bearings of hydraulic cylinders of aircraft, in particular to a wheel-type crimping device for joint bearings of hydraulic cylinders of aircraft. Background technique [0002] At present, the commonly used methods for fixing joint bearings include steel balls / punches and hammers for knocking and fixing, special molds and presses for extrusion and special tools and drilling machines for rolling and fixing. Steel balls / punches and hammers need to be tapped multiple times in the circumferential direction. Because the strength of each hammer is not uniform, the surface quality of the fixed product will deteriorate, and the whole process is time-consuming and labor-intensive; special molds and The extrusion and fixing of the press is to press the special mold by the press, and the final quality is guaranteed by the shape of the mold, which may easily cause the joint bearing to be not fixed in place, and it ...

AI Technical Summary

Problems solved by technology

Steel balls / punches and hammers need to be tapped multiple times in the circumferential direction. Because the strength of each hammer is not uniform, the surface quality of the fixed product will deteriorate, and the whole process is time-consuming and labor-intensive; special molds and The extrusion and fixing of the press is to press the special mold by the press, and the final quality is guaranteed by the shape of the mold, which may easily cause the joint bearing to be not fixed in place, and it is also easy to cause cracks; the special tool and the drilling machine are not only required for the rolling and fixing. It is complex and has high requirements for operators, and it is easy to cause damage without rich experience

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