CN204087616U - Mathematical parabolic teaching demonstration device - Google Patents
Mathematical parabolic teaching demonstration device Download PDFInfo
- Publication number
- CN204087616U CN204087616U CN201420613262.0U CN201420613262U CN204087616U CN 204087616 U CN204087616 U CN 204087616U CN 201420613262 U CN201420613262 U CN 201420613262U CN 204087616 U CN204087616 U CN 204087616U
- Authority
- CN
- China
- Prior art keywords
- scale bar
- transverse slat
- support transverse
- vertical
- slip cap
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a kind of mathematical parabolic teaching demonstration device, comprise hydraulic press, hydraulic press top is provided with hydraulically extensible post, and hydraulically extensible post upper right is provided with electric rotating machine, left side is provided with lower support transverse slat, and lower support transverse slat is connected with electric rotating machine through hydraulically extensible post; Be provided with vertical supporting post on the right side of lower support transverse slat, middle part is provided with left vertical scale bar; Vertical supporting column top is provided with support transverse slat; Be provided with whorl brace rod in the middle part of upper support transverse slat, whorl brace rod bottom is connected with Arcuate flexible bar; Arcuate flexible masthead portion is provided with high scale bar, and bottom is provided with lower scale bar; Middle scale bar is provided with between high scale bar and lower scale bar.This utility model device is convenient to show for para-curve in mathematical education process, can show parabolical opening direction, adjust parabolical openings of sizes, is convenient to show different intersecting point coordinate situation, has deepened student to parabolical understanding.
Description
Technical field
The utility model relates to a kind of mathematical parabolic teaching demonstration device, belongs to mathematical education technical field.
Background technology
At present, in mathematical education process, particularly in high school mathematics teaching, often can run into a lot of parabolic function, these functions are all with some curves, figure-shape combination is also a large feature of high school mathematics, and often a lot of student is not very familiar for function curve, simple literal teaching cannot allow student accept this new mode, therefore, if material object can be shown to student, contribute to the understanding of student's reinforcement to this abstract concept of function, and in current teaching process, mostly multimedia is directly utilized to be shown, still do not have the effect of visual pattern, these needs are improved.
Utility model content
The purpose of this utility model is to provide a kind of mathematical parabolic teaching demonstration device, can carry out parabolic function curve teaching demonstration for student better, improves the understanding of student for this abstract concept of function.
To achieve these goals, the technical solution of the utility model is as follows.
A kind of mathematical parabolic teaching demonstration device, comprise hydraulic press, hydraulic press top is provided with hydraulically extensible post, and hydraulically extensible post upper right is provided with electric rotating machine, left side is provided with lower support transverse slat, and lower support transverse slat is connected with electric rotating machine through hydraulically extensible post; Be provided with vertical supporting post on the right side of lower support transverse slat, middle part is provided with left vertical scale bar; Vertical supporting column top is provided with support transverse slat; Be provided with whorl brace rod in the middle part of upper support transverse slat, whorl brace rod bottom is connected with Arcuate flexible bar; Arcuate flexible masthead portion is provided with high scale bar, and bottom is provided with lower scale bar; Left vertical scale bar upper end is connected with whorl brace rod; Middle scale bar is provided with between high scale bar and lower scale bar.
Further, vertical supporting post is disposed with slip cap, middle slip cap and lower slider cover from top to bottom, and upper slip cap, middle slip cap are connected with lower scale bar right-hand member with high scale bar, middle scale bar respectively with lower slider cover left-hand end; Upper slip cap, middle slip cap and lower slider cover side is provided with set bolt.
Further, be provided with vertical slip cap in the middle part of upper support transverse slat, vertical slip cap lower end is connected with vertical scale bar upper end, the right side, and vertical slip cap side is provided with set bolt.
Further, lower scale bar, middle scale bar, high scale bar, left vertical scale bar and the vertical scale bar in the right side are provided with coordinate scale.
Further, whorl brace rod top is provided with hold-down nut, and hold-down nut is arranged on support transverse slat upper position.
In this utility model device, the Arcuate flexible masthead portion arranging parabolic shape is fixed on whorl brace rod lower end, the lower end of Arcuate flexible bar is fixed on lower scale bar, in adjustment, the position of slip cap can by observing the scale value on the vertical scale bar of high scale bar and a left side of high scale bar and a left side vertical scale bar point of intersection, learn lateral coordinates and the longitudinal coordinate on its summit, by the position of slip cap in adjustment, and by adjusting the position of vertical slip cap, utilize the scale value of right vertical scale bar and the cross one another point of intersection of middle scale bar, the horizontal and vertical coordinate figure with Arcuate flexible bar point of intersection can be learnt, thus realize the demonstration of diverse location intersecting point coordinate.When needs expand parabolical opening, the distance of mobile Arcuate flexible bar lower end and lower scale bar junction, then can change its openings of sizes; When needs make bidirectional lines opening upwards show, then only need to open electric rotating machine and make it drive lower support transverse slat to rotate electric rotating machine, then can realize.
The beneficial effect of this utility model is: this utility model device is convenient to show for para-curve in mathematical education process, be convenient to the understanding of student's reinforcement to function curve, not only can show parabolical opening direction, parabolical openings of sizes can also be adjusted, be convenient to utilize the mode laterally and vertically intersected to show different intersecting point coordinate situation simultaneously, deepen student to parabolical understanding.
Accompanying drawing explanation
Fig. 1 is institute's operative installations structural representation in the utility model embodiment.
Description of symbols in figure: 1, hydraulic press; 2, hydraulically extensible post; 3, lower support transverse slat; 4, lower scale bar; 5, middle scale bar; 6, Arcuate flexible bar; 7, high scale bar; 8, upper support transverse slat; 9, hold-down nut; 10, whorl brace rod; 11, left vertical scale bar; 12, vertical slip cap; 13, right vertical scale bar; 14, vertical supporting post; 15, upper slip cap; 16, middle slip cap; 17, lower slider cover; 18, electric rotating machine.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described, better to understand the utility model.
Mathematical parabolic teaching demonstration device as shown in Figure 1, comprise hydraulic press 1, hydraulic press 1 top is provided with hydraulically extensible post 2, and hydraulically extensible post 2 upper right is provided with electric rotating machine 18, left side is provided with lower support transverse slat 3, and lower support transverse slat 3 is connected with electric rotating machine 18 through hydraulically extensible post 2; Be provided with vertical supporting post 14 on the right side of lower support transverse slat 3, middle part is provided with left vertical scale bar 11; Vertical supporting post 14 top is provided with support transverse slat 8; Be provided with whorl brace rod 10 in the middle part of upper support transverse slat 8, whorl brace rod 10 bottom is connected with Arcuate flexible bar 6; Arcuate flexible bar 6 top is provided with high scale bar 7, and bottom is provided with lower scale bar 4; Left vertical scale bar 11 upper end is connected with whorl brace rod 10; Middle scale bar 5 is provided with between high scale bar 7 and lower scale bar 4.Vertical supporting post 14 is disposed with slip cap 15, middle slip cap 16 and lower slider cover 17 from top to bottom, and upper slip cap 15, middle slip cap 16 and lower slider are overlapped 17 left-hand end and be connected with lower scale bar 4 right-hand member with high scale bar 7, middle scale bar 5 respectively; Upper slip cap 15, middle slip cap 16 and lower slider are overlapped 17 sides and are provided with set bolt.Be provided with vertical slip cap 12 in the middle part of upper support transverse slat 8, vertical slip cap 12 lower end is connected with vertical scale bar 13 upper end, the right side, and vertical slip cap 12 side is provided with set bolt.Lower scale bar 4, middle scale bar 5, high scale bar 7, left vertical scale bar 11 and the vertical scale bar 13 in the right side are provided with coordinate scale.Whorl brace rod 10 top is provided with hold-down nut 9, and hold-down nut 9 is arranged on support transverse slat 8 upper position.
When this utility model device is specifically implemented, Arcuate flexible bar 6 top arranging parabolic shape is fixed on whorl brace rod 10 lower end, the lower end of Arcuate flexible bar 6 is fixed on lower scale bar 4, in adjustment, the position of slip cap 15 can by observing high scale bar 7 and the scale value on the vertical scale bar 11 of high scale bar 7 and a left side of a left side vertical scale bar 11 point of intersection, learn lateral coordinates and the longitudinal coordinate on its summit, by the position of slip cap 16 in adjustment, and by adjusting the position of vertical slip cap 12, utilize the scale value of right vertical scale bar 13 and the cross one another point of intersection of middle scale bar 5, the horizontal and vertical coordinate figure with Arcuate flexible bar 6 point of intersection can be learnt, thus realize the demonstration of diverse location intersecting point coordinate.When needs expand parabolical opening, the distance of mobile Arcuate flexible bar 6 lower end and lower scale bar 4 junction, then can change its openings of sizes; When needs make bidirectional lines opening upwards show, then only need to open electric rotating machine 18 and make it drive lower support transverse slat 3 to rotate electric rotating machine 180, then can realize; The height of whole exhibiting device then can be regulated by hydraulic press 1.
The above is preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (5)
1. a mathematical parabolic teaching demonstration device, comprise hydraulic press, it is characterized in that: described hydraulic press top is provided with hydraulically extensible post, described hydraulically extensible post upper right is provided with electric rotating machine, left side is provided with lower support transverse slat, and described lower support transverse slat is connected with electric rotating machine through hydraulically extensible post; Be provided with vertical supporting post on the right side of described lower support transverse slat, middle part is provided with left vertical scale bar; Described vertical supporting column top is provided with support transverse slat; Be provided with whorl brace rod in the middle part of described upper support transverse slat, described whorl brace rod bottom is connected with Arcuate flexible bar; Described Arcuate flexible masthead portion is provided with high scale bar, and bottom is provided with lower scale bar; A described left side vertical scale bar upper end is connected with whorl brace rod; Middle scale bar is provided with between described high scale bar and lower scale bar.
2. mathematical parabolic teaching demonstration device according to claim 1, it is characterized in that: described vertical supporting post is disposed with slip cap, middle slip cap and lower slider cover from top to bottom, described upper slip cap, middle slip cap are connected with lower scale bar right-hand member with high scale bar, middle scale bar respectively with lower slider cover left-hand end; Described upper slip cap, middle slip cap and lower slider cover side is provided with set bolt.
3. mathematical parabolic teaching demonstration device according to claim 1, it is characterized in that: in the middle part of described upper support transverse slat, be provided with vertical slip cap, described vertical slip cap lower end is connected with vertical scale bar upper end, the right side, and described vertical slip cap side is provided with set bolt.
4. mathematical parabolic teaching demonstration device according to claim 1, is characterized in that: described lower scale bar, middle scale bar, high scale bar, left vertical scale bar and the vertical scale bar in the right side are provided with coordinate scale.
5. mathematical parabolic teaching demonstration device according to claim 1, is characterized in that: described whorl brace rod top is provided with hold-down nut, and described hold-down nut is arranged on support transverse slat upper position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420613262.0U CN204087616U (en) | 2014-10-22 | 2014-10-22 | Mathematical parabolic teaching demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420613262.0U CN204087616U (en) | 2014-10-22 | 2014-10-22 | Mathematical parabolic teaching demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204087616U true CN204087616U (en) | 2015-01-07 |
Family
ID=52180299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420613262.0U Expired - Fee Related CN204087616U (en) | 2014-10-22 | 2014-10-22 | Mathematical parabolic teaching demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204087616U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107993532A (en) * | 2018-01-19 | 2018-05-04 | 赣州市亿研机械设计研究院有限公司 | A kind of physics lesson parabola presentation process device |
| CN108335583A (en) * | 2018-02-10 | 2018-07-27 | 庞雯婧 | A kind of high school mathematics parabola display equipment |
| CN111798724A (en) * | 2020-07-17 | 2020-10-20 | 韩翔凌 | Paraboloid demonstration teaching aid for college mathematics teaching |
-
2014
- 2014-10-22 CN CN201420613262.0U patent/CN204087616U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107993532A (en) * | 2018-01-19 | 2018-05-04 | 赣州市亿研机械设计研究院有限公司 | A kind of physics lesson parabola presentation process device |
| CN107993532B (en) * | 2018-01-19 | 2020-06-05 | 谷蓓蕾 | Parabola demonstration process device for physical class |
| CN108335583A (en) * | 2018-02-10 | 2018-07-27 | 庞雯婧 | A kind of high school mathematics parabola display equipment |
| CN111798724A (en) * | 2020-07-17 | 2020-10-20 | 韩翔凌 | Paraboloid demonstration teaching aid for college mathematics teaching |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20151022 |
|
| EXPY | Termination of patent right or utility model |