Three-dimensional measuring mechanism for realizing quality characteristic of flying object with wings

Abstract

The invention relates to a three-dimensional measuring mechanism for realizing the quality characteristic of a flying object with wings, which comprises a machine base which is provided with a Y-axis rotating shaft on the central part of the machine base, a torsion bar mechanism which is arranged at the lower end of the Y-axis rotating shaft and is used for oscillating the Y-axis rotating shaft periodically, a support supporting plate arranged at the upper end of the Y-axis rotating shaft, a horizontal beam arranged above the support supporting plate and an inertia support which is arranged on the horizontal beam by supports arranged on both sides of the middle part of the horizontal beam symmetrically and a Z-axis central torsion bar mechanism which performs periodic oscillation, wherein a plurality of groups of weighing sensors and lifting mechanisms are arranged between the bottom surface of the horizontal beam and the top surface of the machine base; left and right support rollers which are driven to rotate by a rotary driving device and left and right support roller paths which perform the periodic oscillation in the auxiliary X axial direction and are arranged on the left and right support rollers are arranged on the inertia support; and the left end of the inertia support is provided with an X-axis central torsion bar mechanism which performs the periodic oscillation by a connecting piece.

Description

technical field [0001] The invention relates to a measuring device, in particular to a three-dimensional measuring mechanism for realizing the quality characteristics of a winged flying body for measuring the mass, three-dimensional center of mass and three-dimensional moment of inertia of the winged flying body. Background technique [0002] The measurement of object mass, three-dimensional center of mass and three-dimensional moment of inertia is mostly used for the measurement of quality characteristic parameters of various flying objects. The accurate measurement of these parameters provides important basic parameters for object flight attitude simulation and theoretical calculation. Important evaluation parameters for many components and products in the fields of weapon systems, construction machinery, etc. [0003] At present, more than three load cells are used to measure the mass of an object directly, and the sum of all sensor readings is enough. The measurement me...

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Problems solved by technology

[0005] The horizontal structure can measure the three-dimensional center of mass and the three-dimensional moment of inertia by the above method for the measured product of the cylindrical shape, but the measurement of the moment of inertia requires 2-3 sets of tooling and multiple hoisting of the product, which is costly and inefficient

Especially for the measurement of winged flying objects or complex shapes, the efficiency is very low when the object changes attitude, and the measurement conversion of Jy, Jz, and Jx is particularly cumbersome. Since it cannot be driven by rollers, two sets of centroids are required for the measurement of the center of mass. Tooling and two hoistings. At this time, to complete all three-dimensional measurements in one hoisting and clamping, it is necessary to realize the measurement of three-dimensional moment of inertia on a set of tooling, and to avoid the measurement of object changing attitude

[0006] To sum up, at present, the measurement of the three-dimensional center of mass and the one-dimensional moment of inertia can be realized through one hoisting, but if the measurement of the three-dimensional center of mass and the three-dimensional moment of inertia is to be carried out, at least two sets of tooling are required to complete it, and the lifting conversion of the tooling is required. Product repositioning, which is not only cumbersome but also time-consuming and labor-intensive

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