Device for measuring rotational inertia of irregular geometrical object
A technology of geometric shape and moment of inertia, applied in the direction of measuring device, static/dynamic balance test, machine/structural component test, etc., can solve the problems of less measured data and simple structure, achieve good results, and facilitate installation and disassembly , to ensure the effect of accuracy
Active Publication Date: 2019-10-11
艾祎璠
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[0005] The purpose of the present invention is to provide a measuring device for the moment of inertia of objects with irregular geometric shapes, which can solve the problem that the existing moment of inertia measuring equipment has simple structure, less measured data, and cannot be changed according to actual needs. changes, and changes to the test environment
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[0042] The technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0043] see Figure 1-11 Shown, a kind of measurement device of the moment of inertia of objects with irregular geometry, comprises mounting plate 1, experiment support 10, shell plate 5 and fixed plate 28, the bottom of mounting plate 1 is connected with load-bearing plate 8, and the top of load-bearing plate 8 is The end is connected with a support plate 9 along the length direction, the top of the support plate 9 is rotationally connected with the bottom of the installation plate 1, and both sides of the bottom of the ins...
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The invention discloses a device for measuring rotational inertia of an irregular geometrical object. The device comprises a mounting plate, an experimental bracket, a shell plate and fixing plates; abearing plate is connected to the bottom of the mounting plate; a supporting plate is connected to the middle end of the top of the bearing plate along the length direction; the top of the supportingplate is rotatably connected with the bottom of the mounting plate; edge plates are horizontally connected to the two sides of the bottom of the mounting plate; a plurality of connecting bases are fixedly connected to one side, far away from the mounting plate, of the edge plates; a rotating bracket is rotatably connected to one side of the connecting bases away from the edge plates; one side ofthe rotating bracket is fixedly connected with the top of a hydraulic column; and the bottom of the hydraulic column is fixedly connected with the bearing plate. Two display screens respectively display the running time of the two fixing plates, so that students can determine the difference in the distribution positions of clump weights through the displayed time, and the states in movement are different. Observation can be carried out from the speed of the movement of a roller, so that the students can understand more intuitively.
Description
technical field [0001] The invention relates to a measuring device, in particular to a measuring device for the moment of inertia of objects with irregular geometric shapes, and belongs to the application field of measuring the moment of inertia. Background technique [0002] Moment of inertia is the measure of inertia when a rigid body rotates around an axis (the characteristic that a rotating object maintains its uniform circular motion or static), and is represented by the letter I or J. In classical mechanics, moment of inertia (also known as moment of inertia of mass, referred to as moment of inertia) is usually represented by I or J. For a mass point, I=mr 2 , where m is its mass, and r is the vertical distance between the particle and the axis of rotation. The role of moment of inertia in rotational dynamics is equivalent to the mass in linear dynamics. It can be formally understood as the inertia of an object for rotational motion, and is used to establish the relat...
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IPC IPC(8): G01M1/10G09B23/10
CPCG01M1/10G09B23/10
Inventor 艾祎璠艾俊亭
Owner 艾祎璠