Multifunctional mechanical principle teaching demonstration instrument

A mechanical principle, multi-functional technology, applied in the field of automatic teaching demonstration instrument, can solve the problems of inability to cooperate, too much preparation work, inconvenient handling, etc., to achieve the effect of active teaching atmosphere, high degree of automation and high degree of integration

Inactive Publication Date: 2014-04-23
马登云
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There are many defects in these traditional physical teaching aids. For example, teachers often need to use a large number of physical models for demonstrations in class. There is a lot of

Method used

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  • Multifunctional mechanical principle teaching demonstration instrument
  • Multifunctional mechanical principle teaching demonstration instrument
  • Multifunctional mechanical principle teaching demonstration instrument

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Embodiment Construction

[0021] The specific implementation of the present invention will be further described below in conjunction with the accompanying drawings.

[0022] See attached Figure 3-5 The connecting rod demonstration module is used to demonstrate the evolution of the crank-rocker mechanism into a crank-slider mechanism, the expansion of the revolving pair into an eccentric wheel mechanism, the existence conditions of the whole revolving pair, the existence conditions of the crank, the quick return characteristics of the connecting rod mechanism, dead points, etc. Content; the reverse side can demonstrate the reverse method to design the hinge four-bar.

[0023] See attached Figure 1-2 The Cam Demonstration Module demonstrates the inversion method for designing cams. The gear demonstration module is used to demonstrate the teaching of knowledge points such as worm gear transmission, helical gear transmission, spur gear transmission, realization of gear rotation direction, force analysi...

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Abstract

The invention relates to a multifunctional teaching demonstration instrument, comprising a connecting rod demonstration module, a cam demonstration module, a gear demonstration module, an unusual mechanism demonstration module, a virtual demonstration module and other demonstration modules. Each demonstration module adopts demonstration content prescribed in the teaching program of Mechanical Principles as the main line, and the content covers chapters of connecting rods, cams, gears, unusual mechanisms and the like. The virtual demonstration module reflects a real mechanism in a demonstration mechanism to help students for better understanding. The multifunctional teaching demonstration instrument is high in degree of integration, is characterized by being high in degree of automation, flexible and changeable, accords with requirements of future teaching, can liberate hands of teachers, cooperates teachers in the teaching through automatic demonstration, and can enables the teaching atmosphere to be active.

Description

technical field [0001] The invention relates to an automatic teaching demonstration instrument, in particular to an automatic demonstration machine for demonstrating the teaching content of "Principles of Mechanics". Background technique [0002] In the stage of understanding new knowledge, the intuitiveness of visual teaching aids plays a role in promoting the development and deepening of attention. Mechanical courses are rich in content, involving many mechanisms and mechanical principles. In order to allow students to better understand the characteristics of mechanisms and their applications in real life, university teaching often uses scaled down mechanical models, such as steam engines, Shaper, etc. There are many defects in these traditional physical teaching aids, such as teachers often need to use a large number of physical models for demonstration during class, there is a lot of preparation work before class, and it is inconvenient to carry. At the same time, the ...

Claims

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Application Information

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IPC IPC(8): G09B25/02
Inventor 李宇庭沈小华刘旭帅陆体文王佳莹马登云方凡涛潘瑞邓思琪张敏冼土廉
Owner 马登云
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