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Auxiliary devices for physical experiments

A technology of auxiliary devices and physical experiments, applied in educational appliances, teaching models, instruments, etc., can solve problems such as large systematic errors and lack of adjustment levels, and achieve the effect of reducing difficulty, reducing impact, and facilitating students' understanding

Active Publication Date: 2020-04-14
青岛育博教育装备制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing experimental instruments do not have the function of adjusting the level
If the experimental table is not level, the ball is not thrown flat in the air, which will bring a large systematic error to the experiment

Method used

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  • Auxiliary devices for physical experiments
  • Auxiliary devices for physical experiments
  • Auxiliary devices for physical experiments

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Experimental program
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Embodiment Construction

[0025] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0026] Depend on Figure 1 to Figure 15 Given, the present invention comprises a horizontal plate 1, the left end of the lower side of the plate 1 is fixed with a left vertical plate 2, the right end of the lower side of the plate 1 is fixed with a right vertical plate, and the outside of the left vertical plate 2 has a first vertical plate, the left There is a vertical second vertical board on the inner side of the vertical board 2, and the second vertical board is connected and fixed with the lower end of the first vertical board to form a U-shaped frame 3 with an upward opening, and the lower end of the left vertical board 2 is inserted into the U-shaped frame 3. In the cavity, the U-shaped frame 3 can slide up and down along the left vertical plate 2, and the U-shaped frame 3 can be fixed at any height on the left ve...

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Abstract

The invention provides an auxiliary device for a physical experiment, solves the problem that the initial speed of the collision of a momentum conservation experiment is not horizontal, avoids adverseinfluence on an experiment result and lowers interference, caused by human factors, to the experiment. According to the technical scheme, the auxiliary device comprises a flat plate and is characterized in that a left vertical plate and a right vertical plate are arranged at two ends of the flat plate, the left vertical plate is provided with a first vertical plate and a second vertical plate, the second vertical plate is provided with a first rack, pinions are arranged in the front and at the rear of the first rack, second racks are arranged on one sides of the pinions, a third rack is arranged on the first rack, the pinions are provided with pins, a slide plate is arranged between the second rack and the second vertical plate, the slide plate is provided with a first positioning pin anda second positioning pin, a bull gear is arranged on the third rack, and a counter weight is arranged below the bull gear. The auxiliary device is novel in concept, ingenious in structure, capable ofguaranteeing that the initial speed of a small ball in the momentum conservation experiment is horizontal, capable of reducing influence, caused by the human factors, on the experiment, capable of lowering the leveling difficulty of the experiment, capable of facilitating operation by staff, high in practicality and easy to popularize.

Description

technical field [0001] The invention relates to the technical field of auxiliary devices for high school physics experiment instruments, in particular to auxiliary devices for physical experiments. Background technique [0002] The energy conservation experiments learned in high school usually refer to experiments in one-dimensional situations, that is to say, to maintain a horizontal initial velocity. At present, the experimental equipment used in high schools to verify the conservation of momentum uses small balls that roll down an inclined track. To verify the law of conservation of momentum by colliding with a ball at rest on a horizontal orbit. The experiment requires that the colliding ball and the collided ball be ejected from the horizontal track, which requires the instrument to be horizontal. However, existing experimental instruments do not have the function of adjusting the level. If the experimental table is not level, the ball will not be thrown flat in the a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09B23/10
CPCG09B23/10
Inventor 李新源
Owner 青岛育博教育装备制造有限公司
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