CN205487008U - Higher mathematics curved surface presentation device - Google Patents
Higher mathematics curved surface presentation device Download PDFInfo
- Publication number
- CN205487008U CN205487008U CN201620083310.9U CN201620083310U CN205487008U CN 205487008 U CN205487008 U CN 205487008U CN 201620083310 U CN201620083310 U CN 201620083310U CN 205487008 U CN205487008 U CN 205487008U
- Authority
- CN
- China
- Prior art keywords
- base
- curved surface
- rotating shaft
- electronics expansion
- expansion link
- Prior art date
- 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 discloses a higher mathematics curved surface presentation device, the on -line screen storage device comprises a base, it forms the device to install the curved surface of being connected with the transmission of power drive device on the base, the curved surface forms the device and includes the pivot of being connected with the transmission of power drive device, and a plurality of electron telescopic link is evenly installed to the keep (shenglvehao)at a certain distance away in the pivot, and the one end that the pivot was kept away from to a plurality of electron telescopic link is connected with the generating line that scribbles striking glimmering lac varnish jointly, through the different length of stretching out of each electron telescopic link for the generating line forms different curved surfaces. The utility model discloses a curve shape is arranged into to the length generating line of many telescopic links of adjustment, then rotates the carousel, makes the rotatory rotating surface of formation of the generating line of arranging into curve shape. The utility model has the advantages that the whole structure is simple single, convenient to use has alleviateed teacher's pressure of giving lessons, is favorable to the student to rotating surface 's deep understanding, and it is convenient to have brought for advanced math teaching.
Description
Technical field
This utility model relates to educational aid field, a kind of higher mathematics curved surface apparatus for demonstrating.
Background technology
Surface of revolution is the chapter in Advanced Mathematics, is also most common in daily production, life
And critically important planform, student produces sense more intuitively by the demonstration of teaching aid to the spatiality of curved surface
It is subject to, contributes to understanding and analyze, but currently without applicable surface of revolution demonstration teaching aid, be unfavorable for student couple
The profound understanding of surface of revolution, makes troubles to Higher Mathematics Teaching.
Summary of the invention
Problem to be solved in the utility model is to overcome above-mentioned the deficiencies in the prior art, it is provided that a kind of high number
Learn curved surface apparatus for demonstrating.
In order to solve the problems referred to above, this utility model by the following technical solutions:
A kind of higher mathematics curved surface apparatus for demonstrating, including base, described base is provided with and fills with power drive
Putting the curved surface being in transmission connection and form device, described curved surface forms device and includes being in transmission connection with Power Drive Unit
Rotating shaft, rotating shaft keeps at a certain distance away several electronics expansion links is uniformly installed, several electronics stretch
Bar connects jointly away from one end of rotating shaft has the bus scribbling eye-catching fluorescent paint, by each electronics expansion link
Stretch out different length so that bus forms different curved surfaces.
The following is this utility model the further of such scheme is optimized:
The lever arm of electronics expansion link is provided with scale, and the end of electronics expansion link lever arm is provided with half by bearing pin
Circular groove, bus is plugged in half slot.
Optimize further: the fixed above of base is provided with transparency protected cover body, and transparency protected cover body is by curved
Become device integral sealing, facilitate educational observation.
Optimize further: described Power Drive Unit includes the driving motor being arranged on base, drive motor
For adjustable speed motor, drive, on the output shaft of motor, drive bevel gear is installed, there is cavity, institute in base
State the lower end of the rotating shaft upper cavity wall through base, and be rotationally connected with the lower cavity wall of base, the rotating shaft in base
On driven wheel of differential is installed, driven wheel of differential and drive bevel gear engaged transmission.
Optimize further: described base side be arranged above controller, controller and electronics expansion link,
Driving motor electrically connects, and controller is provided with USB interface, and USB interface can be by wire and computer outfan
Connect, teacher can in corresponding computer program input curve equation, computer calculates several electronics automatically
The value of expansion link position X-direction, controls each electronics expansion link by controller and stretches out the length of correspondence, band
Dynamic bus forms the curved surface of correspondence.
This utility model is arranged in curve shape by adjusting the length bus of many expansion links, then turns
Dish, makes the bus being arranged in curve shape rotate and forms surface of revolution.This utility model overall structure is simple,
Easy to use, alleviate teachers' instruction pressure, the beneficially student profound understanding to surface of revolution, to high
Mathematical education brings conveniently.
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of this utility model embodiment curved surface apparatus for demonstrating；
Accompanying drawing 2 is the enlarged diagram in Fig. 1 at A；
Accompanying drawing 3 is the structural representation of electronics expansion link in this utility model embodiment.
In figure: the transparency protected cover body of 1-；2-rotating shaft；3-electronics expansion link；4-bus；5-half slot；6-
Controller；7-base；8-drives motor；9-drive bevel gear；10-driven wheel of differential；11-bearing pin.
Detailed description of the invention
Embodiment, as shown in Figure 1, Figure 2, Figure 3 shows, a kind of higher mathematics curved surface apparatus for demonstrating, the end of including
Seat 7, described base 7 is provided with the curved surface being in transmission connection with Power Drive Unit and forms device, described curved surface
Forming the rotating shaft 2 that device includes being in transmission connection with Power Drive Unit, rotating shaft 2 keeps at a certain distance away uniformly peace
Equipped with several electronics expansion links 3, several electronics expansion links 3 connect jointly away from one end of rotating shaft 2 painting
There is the bus 4 of eye-catching fluorescent paint, stretch out different length by each electronics expansion link 3 so that bus 4 shape
Become different curved surfaces.
The lever arm of electronics expansion link 3 is provided with scale, and the end of electronics expansion link 3 lever arm is pacified by bearing pin 11
Equipped with half slot 5, bus 4 is plugged in half slot 5.
The fixed above of base 7 is provided with transparency protected cover body 1, and curved surface is formed device by transparency protected cover body 1
Integral sealing.
Described Power Drive Unit includes the driving motor 8 being arranged on base 7, and driving motor 8 is adjustable speed
Motor, drives and is provided with drive bevel gear 9 on the output shaft of motor 8, have cavity in base 7, described turn
The lower end of axle 2 is through the upper cavity wall of base 7, and is rotationally connected, in base 7 with the lower cavity wall of base 7
Driven wheel of differential 10, driven wheel of differential 10 and drive bevel gear 9 engaged transmission are installed in rotating shaft 2.
Described base 7 side be arranged above controller 6, controller 6 and electronics expansion link 3, drive
Motor 8 electrically connects, and controller 6 is provided with USB interface, and USB interface can be by wire and computer outfan
Connect, teacher can in corresponding computer program input curve equation, computer calculates several electronics automatically
The value of expansion link 3 position X-direction, controls each electronics expansion link 3 by controller 6 and stretches out the length of correspondence
Degree, drives bus 4 to form the curved surface of correspondence.
When using this use novel, teacher can connect controller 6 by computer outfan, and controller 6 is controlled automatically
Electronics expansion link 3 processed drives bus 4 to form curved surface, then is started by controller 6 and drive motor 8, speed by
Slow to fast, observe the process of bus 42 formation surface of revolutions around the shaft, reach teaching purpose.
This utility model is arranged in curve shape by adjusting the length bus of many expansion links, then turns
Dish, makes the bus being arranged in curve shape rotate and forms surface of revolution.This utility model overall structure is simple,
Easy to use, alleviate teachers' instruction pressure, the beneficially student profound understanding to surface of revolution, to high
Mathematical education brings conveniently.
Claims (3)
1. a higher mathematics curved surface apparatus for demonstrating, including base (7), it is characterized in that: the curved surface being in transmission connection with Power Drive Unit is installed on base (7) and forms device, described curved surface forms the rotating shaft (2) that device includes being in transmission connection with Power Drive Unit, keep at a certain distance away in rotating shaft (2) and several electronics expansion links (3) are uniformly installed, several electronics expansion links (3) connect jointly away from one end of rotating shaft (2) the bus (4) scribbling eye-catching fluorescent paint, different length is stretched out by each electronics expansion link (3), bus (4) is made to form different curved surfaces；
The lever arm of electronics expansion link (3) is provided with scale, and the end of electronics expansion link (3) lever arm is provided with half slot (5) by bearing pin (11), and bus (4) is plugged in half slot (5)；
The transparency protected cover body (1) that is provided with fixed above of base (7), curved surface is formed device integral sealing by transparency protected cover body (1).
A kind of higher mathematics curved surface apparatus for demonstrating the most according to claim 1, it is characterized in that: described Power Drive Unit includes the driving motor (8) being arranged on base (7), driving motor (8) is adjustable speed motor, drive, on the output shaft of motor (8), drive bevel gear (9) is installed, base has cavity in (7), the lower end of described rotating shaft (2) is through the upper cavity wall of base (7), and be rotationally connected with the lower cavity wall of base (7), in rotating shaft (2) in base (7), driven wheel of differential (10) is installed, driven wheel of differential (10) and drive bevel gear (9) engaged transmission.
A kind of higher mathematics curved surface apparatus for demonstrating the most according to claim 2, it is characterized in that: described base (7) side be arranged above controller (6), controller (6) electrically connects with electronics expansion link (3), driving motor (8), and controller is provided with USB interface on (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620083310.9U CN205487008U (en) | 2016-01-19 | 2016-01-19 | Higher mathematics curved surface presentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620083310.9U CN205487008U (en) | 2016-01-19 | 2016-01-19 | Higher mathematics curved surface presentation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205487008U true CN205487008U (en) | 2016-08-17 |
Family
ID=56618927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620083310.9U Expired - Fee Related CN205487008U (en) | 2016-01-19 | 2016-01-19 | Higher mathematics curved surface presentation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205487008U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110148333A (en) * | 2019-06-19 | 2019-08-20 | 吉林工程技术师范学院 | A kind of College Maths surface of revolution demonstration teaching aid |
| CN110459105A (en) * | 2019-09-02 | 2019-11-15 | 郑州航空工业管理学院 | Higher mathematics differential teaching aid |
| CN111554157A (en) * | 2020-05-07 | 2020-08-18 | 德州职业技术学院（德州市技师学院） | Higher mathematics rotating surface presentation device |
-
2016
- 2016-01-19 CN CN201620083310.9U patent/CN205487008U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110148333A (en) * | 2019-06-19 | 2019-08-20 | 吉林工程技术师范学院 | A kind of College Maths surface of revolution demonstration teaching aid |
| CN110459105A (en) * | 2019-09-02 | 2019-11-15 | 郑州航空工业管理学院 | Higher mathematics differential teaching aid |
| CN111554157A (en) * | 2020-05-07 | 2020-08-18 | 德州职业技术学院（德州市技师学院） | Higher mathematics rotating surface presentation device |
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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: 20160817 Termination date: 20170119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |