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Teaching aid for demonstration

A technology of teaching aids and rods, which is applied in the field of demonstration teaching aids, and can solve problems that affect students' understanding and learning of the mechanics and working principles of drills, students cannot go to the scene to watch, and there are no drills, etc.

Inactive Publication Date: 2018-01-19
胡杨
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In drilling teaching, in order to allow students to accurately understand the working principle of the drill, it is often necessary to go to the actual drilling site to watch, but sometimes there is no working site of the drill, and students cannot go to the site to watch, which seriously affects the students. Understanding and learning of the mechanics and working principles of this drill

Method used

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  • Teaching aid for demonstration
  • Teaching aid for demonstration
  • Teaching aid for demonstration

Examples

Experimental program
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Embodiment Construction

[0015] The accompanying drawing is a specific embodiment of the present application, which includes a rod body C1 at the handle, the lower end of the rod body C1 is fixed on the central shaft 2, the front part of the central shaft 2 is provided with a rotatable driving machine B3, and the rear of the central shaft A rotatable driving machine A10 is arranged at the top; one end of a rod body B5 is fixed on the driving machine B, and a shovel spoon B7 is fixed on the other end of the rod body B; one end of a rod body A4 is fixed on the driving machine A, and a shovel is fixed on the other end of the rod body A. Spoon A6;

[0016] During the rotation process, the rod body A and the rod body B always maintain symmetry.

[0017] The shovel A and the shovel B are arranged symmetrically, one forward and one opposite.

[0018] The driving machine A and the driving machine B, one rotates forward and the other rotates reversely.

[0019] The present application also includes a transpa...

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Abstract

A teaching aid for demonstration comprises a rod C of a hand holding portion. The lower end of the rod C is fixed to a middle shaft. A rotatable driver B is arranged on the front portion of the middleshaft. A rotatable driver A is arranged on the rear portion of the middle shaft. One end of a rod B is fixed to the driver B. A scoop B is fixed to the other end of the rod B. One end of a rod A is fixed to the driver A, and a scoop A is fixed to the other end of the rod A. The upper end of a rod D is fixed to the middle of the middle shaft. The lower end of the rod D is fixed to an upper openingof a hopper.

Description

technical field [0001] The present application relates to a demonstration teaching aid, in particular to a drill demonstration teaching aid. Background technique [0002] In drilling teaching, in order to allow students to accurately understand the working principle of the drill, it is often necessary to go to the actual drilling site to watch, but sometimes there is no working site of the drill, and students cannot go to the site to watch, which seriously affects the students. Understanding and learning of the mechanics and working principles of this drill. Contents of the invention [0003] The present application provides a drill demonstration teaching tool for observing the working condition of the drill. [0004] This application is achieved through the following technical solutions: [0005] A drill demonstration teaching aid for observing the working conditions of the drill, comprising a rod body C at the hand-held part, the lower end of the rod body C is fixed on...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B25/02
Inventor 胡杨
Owner 胡杨
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