Rigid rotation experimental apparatus for spiral air tracks

A technology of rigid body rotation and experimental device, applied in educational appliances, instruments, teaching models, etc., can solve the problems of unintuitive experimental principle, poor data stability, complex experimental device, etc., to achieve simple and intuitive experimental device, clear and accurate understanding, principle clear effect

What is AI technical title?
AI technical title is built by PatSnap AI team. It summarizes the technical point description of the patent document.
A technology of rigid body rotation and experimental device, applied in educational appliances, instruments, teaching models, etc., can solve the problems of unintuitive experimental principle, poor data stability, complex experimental device, etc., to achieve simple and intuitive experimental device, clear and accurate understanding, principle clear effect

CN104517508AInactive Publication Date: 2015-04-15QIQIHAR UNIVERSITY

5 Cites 3 Cited by

Image

Smart Image Click on the blue labels to locate them in the text.

Viewing Examples

Smart Image

Examples

Experimental program

Comparison scheme

Effect test

Embodiment Construction

[0017] The present invention will be further described below in conjunction with the accompanying drawings and a specific embodiment.

[0018] Such as figure 1 As shown, a spiral air-cushion guide rail rigid body rotation experimental device, including the right concentric semi-circular arc guide rail 1, the left concentric semi-circular arc guide rail 2, the head end linear air cushion guide rail 3, the tail end linear air cushion guide rail 4, and the slider 5 , Photogate 6.

[0019] It is characterized in that: the right concentric semi-circular guide rail 1 is four semi-circular arcs with O as the center, and the radius of the innermost ring of the right semi-circular arc guide rail is r 1 , the radii of the arc guideways of the second ring, the third ring, and the fourth ring are r 1 +d, r 1 +2d, r 1 +3d. The left side concentric semicircle guide rail 2 is three sections of semicircle arc guide rails with O` as the center, and forms a spiral structure with the right ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine

Login to View More

PUM

Login to View More

Abstract

The invention relates to a rigid rotation experimental apparatus for spiral air tracks. The apparatus comprises an air track, a plurality of light gates, a slider with a shade plate, an air source and a time recorder. The apparatus is characterized in that the air track is composed of a front linear air track, a rear linear air track, left concentric semi-arc air tracks and right concentric semi-arc air tracks; the light gates are disposed at the front end and rear end of the air track and the connections of the air tracks. During an experiment, rigid motion parameters are analyzed by recording the time of the slider passing the photoelectric gates. The air track experiment and the rigid rotation experiment are combined, rotational energy of a whole motion system is conserved, and related physical quantities of rigid curvilinear motion with different rotational radiuses are studied through the concentric semi-arc air tracks. Rigid linear motion and curvilinear motion are combined through the linear segments of the air track, the relation between the linear motion physical quantities of an object and its curvilinear motion physical quantities is visualized, and the apparatus is suitable for physics teaching.

Description

technical field [0001] The invention relates to a physical experiment teaching instrument, in particular to a spiral air cushion guide rail rigid body rotation experimental device. Background technique [0002] Air cushion rail experiment and moment of inertia measurement experiment are important parts of college physics experiment teaching. Among them, the air-cushion guide rail experiment is often used to measure the physical quantity of the linear motion of the rigid body and demonstrate the law of conservation of momentum. However, most of the existing air-cushion guide rails are linear, which cannot complete the simulation of the rigid body curve motion and the measurement of the rotational physical quantity. [0003] Moment of inertia is an important physical quantity of rigid body curve motion. Measuring and understanding the physical meaning of moment of inertia of rigid body is an important content of college physics teaching. The moment of inertia testing devices ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine

Login to View More

Application Information

Patent Timeline

15 Apr 2015

Publication

CN104517508A

IPC: G09B23/10

CPC: G09B23/10

Inventors: 刘相梅; 梁法库