A Demonstration Teaching Aid for Elastic Sliding with Drive
A belt drive and elastic technology, applied in the field of teaching equipment, can solve the problems that students cannot intuitively see the elastic sliding phenomenon of the belt drive, the experimental equipment of the belt drive performance is large, the data testing method is backward, etc. Simple and effective teaching effect
Active Publication Date: 2016-04-06
SHAANXI UNIV OF SCI & TECH
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Problems solved by technology
[0002] Regarding the teaching content of the elastic sliding phenomenon of the belt drive, the initial explanations in the classroom were all theoretical knowledge, which was difficult to understand. The development of science and technology has led to reforms in the teaching of various colleges and universities, and the performance of belt drives has also appeared. Equipment, but the traditional belt drive performance experiment equipment is large and clumsy, the data test method is backward, and the data measurement is time-consuming. Students cannot intuitively see the elastic sliding phenomenon of the belt drive, and have no quantitative understanding of it.
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[0018] The structural principle and working principle of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0019] see figure 1 , 2 , a demonstration teaching aid for belt transmission elastic sliding, including a bottom plate 1, a long axis 10 is arranged on one side of the bottom plate 1, a flat belt driving wheel and a synchronous belt driving wheel are arranged on the long axis 10, and the flat belt driving wheel passes through the flat belt 12 It is connected with the driven flat pulley 4 on the short shaft 3, and the synchronous belt driving wheel is connected with the driven synchronous pulley 7 on the short shaft 8 of the synchronous belt through the synchronous belt. The short shaft 3 and the short shaft 8 of the synchronous belt Located on the other side of the base plate 1, the major axis 10, the minor axis 3 and the synchronous belt minor axis 8 are all fixed on the base plate through the belt seat bear...
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A demonstration teaching tool with the transmission elastic sliding function comprises a bottom board. A long shaft is arranged on one side of the bottom board and provided with a flat belt driving wheel and a synchronous belt driving wheel. The flat belt driving wheel is connected with a flat belt driven wheel arranged on a short shaft through a flat belt. The synchronous belt driving wheel is connected with a synchronous belt driven wheel arranged on a synchronous belt short shaft through a synchronous belt. The short shaft and the synchronous belt short shaft are arranged on the other side of the bottom board. The long shaft, the short shaft and the synchronous belt short shaft are all fixed to the bottom board through plummer blocks. A main shaft drives the flat belt driving wheel and the synchronous belt driving wheel to rotate, when the synchronous belt is in meshing transmission, the hysteresis phenomenon is avoided, and when the flat belt wheels are in friction transmission, the hysteresis phenomenon occurs. After a handle rotates for fixed turns, deflection of a pointer on a dial plate is observed, and the sliding rate is calculated through deflection degrees. According to the demonstration teaching tool, the elastic sliding phenomenon can be visually seen, the sliding rate can be calculated easily and conveniently, operation is simple, the tool is practical, and teaching of a teacher and understanding of students are facilitated.
Description
technical field [0001] The invention belongs to the technical field of teaching appliances, and in particular relates to a demonstration teaching aid with transmission elastic sliding, which is applied to the teaching of belt transmission elastic sliding in mechanical design. Background technique [0002] Regarding the teaching content of the elastic sliding phenomenon of the belt drive, the initial explanations in the classroom were all theoretical knowledge, which was difficult to understand. The development of science and technology has led to reforms in the teaching of various colleges and universities, and the performance of belt drives has also appeared. Equipment, but the traditional belt drive performance experiment equipment is large and clumsy, the data test method is backward, and the data measurement is time-consuming. Students cannot intuitively see the elastic sliding phenomenon of the belt drive, and have no quantitative understanding of it. Contents of the i...
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IPC IPC(8): G09B25/02
Inventor 郑甲红董子健孙青云王升升闫茹
Owner SHAANXI UNIV OF SCI & TECH