Aircraft pneumatic riveting process verification device and method

Abstract

The invention provides an aircraft pneumatic riveting process verification device and method and relates to the field of industrial assembly manufacture. The device comprises a base, a front bracket, an intermediate bracket, a rear bracket, a riveting gun feed driving mechanism, a riveting gun clamping device, a position adjusting device, a sensor system, a jacking block, a riveting plate, a rivet, and a data processing system, achieves deviation simulation of a riveting process, riveting force data acquisition and processing, and verification of riveting deviation simulation accuracy. The invention provides a process apparatus used in pneumatic riveting process simulation. The process apparatus can realize the clamping and loosening of a simulation board by adjusting screw bolts, acquires a riveting signal in real time by a sensor, transmits a data file to a host computer for result analysis and evaluation, displays riveting process parameters under different displacement deviations and angular deviations of the riveting force and the rivet axis on a display platform, extracts the key indexes and deviations range of riveting, and can be applied to the on-line monitoring of the aircraft riveting quality.

Description

technical field [0001] The invention relates to the field of pneumatic riveting assembly and manufacturing for aerospace applications, and is a device for collecting key signal parameters and data processing for pneumatic impact riveting, in particular a riveting deviation simulation device and a method for obtaining a qualified riveting deviation range. Background technique [0002] In the field of assembly manufacturing, mechanical connection is an important component and a necessary method for integrating scattered parts into multifunctional equipment and systems. In order to ensure that the parts have high strength and long life after being assembled into a system, it is necessary to study the connection process. As the main method of mechanical connection, riveting has the advantages of low drag coefficient, stable performance, long life, and good sealing, and is widely used, especially in the aerospace field. [0003] At present, in order to ensure the consistency of ...

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Problems solved by technology

[0005] Aiming at the blankness of the existing equipment in terms of the impact of riveting deviation on riveting quality and the acquisition of deviation range when riveting is qualified, the present invention provides a simulation and verification device for aircraft aerodynamic riveting process, and expects to use this tool to determine the impact force, frequency and angle of aerodynamic riveting. Three important parameters of deflection are measured, so as to complete the scientific reflection of the pneumatic riveting process, and provide a method to detect the influence of riveting deviation on riveting quality, so as to obtain the qualified deviation range of rivets of different diameters and materials, and use the sensor system to collect The riveting force signal is used to verify the reliability and accuracy of the riveting deviation setting

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