Rigid body rotary inertia test method
A test method, rigid body rotation technology, applied in the field of rigid body rotational inertia test, can solve the problems of time-consuming, limited accuracy and so on
Active Publication Date: 2014-08-27
GUANGZHOU AUTOMOBILE GROUP CO LTD
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[0056] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0057] In describing the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "inner", The orientation or positional relationship indicated by "outside" is based on the attachedfigure 1 The orientations or positional relationships shown are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and the...
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The invention provides a rigid body rotary inertia test method. The method comprises providing a test desk frame. The test desk frame comprises a main frame and a binding assembly; the main frame comprises a pedestal, a swing assembly fixed on the pedestal, a slide assembly, a rotation assembly and a flip assembly; the swing assembly comprises a wobble plate capable of free swing in a front direction and a back direction; the slide assembly further comprises a slide disk which is arranged on the wobble plate and can slide back and forth relative to the wobble plate; the rotation assembly comprises a rotation disk which is arranged on the slide disk and can horizontally rotate; the flip assembly comprises a flip disk which is arranged on the rotation disk and can flip to the left and to the right relative to the rotation disk; the binding assembly is arranged on the flip disk for fixing an object to be tested; and the test desk frame further comprises a measuring tool for measuring the slide distance of the slide disk, an angle meter for measuring the inclination angle of the wobble plate and a period meter for testing the swing period of the wobble plate. Measurement is carried out through the test desk frame for obtaining the rotary inertia of the object to be tested. The rigid body rotary inertia test method has the advantages of high precision and short measuring time.
Description
technical field [0001] The invention relates to a testing method for the moment of inertia of a rigid body. Background technique [0002] In the prior art, there are mainly three methods for measuring the moment of inertia of a rigid body: the three-wire pendulum method, the torsional pendulum method and the compound pendulum method. Among them, the three-wire pendulum method for measuring the moment of inertia of the object under test has the advantage of simple equipment, but its disadvantages are that its measurement accuracy is low, the installation of the test piece is time-consuming and laborious, and the test cycle is long. The principles of the torsion pendulum method and the compound pendulum method are basically the same, but the test bench measured by the torsion pendulum method, the adjustment of the various postures of the measured object on the test bench and the measurement of each relative position are not easy to get a good control, which will give the final...
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IPC IPC(8): G01M1/10
Inventor 喻惠然
Owner GUANGZHOU AUTOMOBILE GROUP CO LTD