CN205920655U - Parabolic demonstration teaching aid that college mathematics teaching used - Google Patents
Parabolic demonstration teaching aid that college mathematics teaching used Download PDFInfo
- Publication number
- CN205920655U CN205920655U CN201620302292.9U CN201620302292U CN205920655U CN 205920655 U CN205920655 U CN 205920655U CN 201620302292 U CN201620302292 U CN 201620302292U CN 205920655 U CN205920655 U CN 205920655U
- Authority
- CN
- China
- Prior art keywords
- base
- axostylus axostyle
- motor
- parabola
- teaching aid
- 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 parabolic demonstration teaching aid that college mathematics teaching used, including base, control box, motor, axostylus axostyle and parabola pole, the wheel of traveling far and wide is installed at base bottom both ends, and base bottom center department installs hydraulic pressure lift jar, and the support column is installed at base top both ends, and connects through the horizontal pole between the two spinal branch daggers, base top center department installs the motor, and the control box is installed to the base leading flank, and base internally mounted has a power, install motor shaft on the motor, and motor shaft passes through the shaft coupling and is connected with the axostylus axostyle, the axostylus axostyle passes the through -hole of horizontal pole, and the parabola pole is installed on the axostylus axostyle top. The utility model discloses a motor shaft passes through the shaft coupling and drives the axostylus axostyle and rotate, and then the parabola pole that drives the axostylus axostyle top rotates, and the paraboloidal forming process of demonstration that can be vivid had both made things convenient for teacher's teaching, had made things convenient for classmate's understanding again, and simple structure, removed convenient to use.
Description
Technical field
This utility model is related to teaching aid technical field, the parabola demonstration that specially a kind of College Mathematics Teaching uses
Teaching aid.
Background technology
Higher Mathematics Teaching includes the special surfaces such as parabola, parabola in ligthing paraphernalias such as car light, pocket lamps and
Apply very many in radar, their reflective surface or reflecting surface are all parabolas, parabola is revolved with its axis of symmetry for axis
Face obtained by turnback is exactly parabola.The teaching aid of parabola formation is not demonstrated, teacher can only in current mathematical education
Paraboloidal teaching is completed by abstract concept explanation, is unfavorable for that student, to paraboloidal understanding, makes troubles to teaching.
Content of the invention
The purpose of this utility model is the parabola demonstration teaching aid providing a kind of College Mathematics Teaching to use, on solving
State the problem proposing in background technology.
For achieving the above object, this utility model provides a kind of following technical scheme: the parabolic that College Mathematics Teaching uses
Face demonstration teaching aid, including base, control chamber, motor, axostylus axostyle and parabolic line bar, described base bottom two ends are provided with wheel of traveling far and wide,
Base bottom center is provided with hydraulic lifting cylinder, and hydraulic lifting cylinder bottom is connected with disk by hydraulic lifting arm, described
Base top two ends are provided with support column, and are connected by cross bar between two support columns, and described base top center is installed
There is motor, base leading flank is provided with control chamber, and chassis interior is provided with power supply, and power supply be connected with control chamber by wire,
Described control chamber leading flank is provided with electric machine speed regulation knob, display screen and on and off switch, and display location is in electric machine speed regulation knob
Left side, electric machine speed regulation knob is located on the upside of on and off switch, and described motor is provided with machine shaft, and machine shaft passes through shaft coupling
Device is connected with axostylus axostyle, and described cross bar center is provided with through hole, and described axostylus axostyle passes through the through hole of cross bar, and axostylus axostyle top is provided with throwing
Thing line bar.
Preferably, described parabolic line bar is connected with axostylus axostyle by fastening bolt.
Preferably, described disk is internally provided with damping spring.
Preferably, described cross bar is provided with lamp stand positioned at axostylus axostyle both sides, and lamp stand top is provided with electricity-saving lamp, described section
Can lamp be connected with power supply by wire.
Compared with prior art, the beneficial effects of the utility model are: this utility model passes through in base top center
Install motor, during teaching demonstration, machine shaft by shaft coupling drive axostylus axostyle coaxially rotate, and then drive parabolic line bar with
Axostylus axostyle does high-speed rotation for center of rotation, the paraboloidal forming process of demonstration that can be vivid, has both facilitated the religion of teacher
Learn, facilitate the understanding of classmate again, by the electric machine speed regulation knob being provided with control chamber leading flank, can conveniently adjust motor
Rotating speed, by the display screen being provided with front side of control chamber, can also intuitively observe the rotating speed of motor, by cross bar
The electricity-saving lamp being provided with, can to parabolic line bar rotate formed paraboloidal during be illuminated, facilitate classmate clearly to see
See paraboloidal forming process, so that classmate is understood more deep, by the hydraulic lifting cylinder being provided with base bottom center,
Facilitate the height of adjusting base, be conducive to the study of classmate to watch, by the damping spring being internally provided with disk, make this dress
Put the function with damping, considerably increase the stability during parabolic line bar rotates formation parabola, make the viewing of classmate
Better, by the wheel of traveling far and wide being provided with base bottom, it is moved easily use.
Brief description
Fig. 1 is the structural representation of the parabola demonstration teaching aid that a kind of College Mathematics Teaching of this utility model uses；
Fig. 2 is the structural representation of the base of parabola demonstration teaching aid that a kind of College Mathematics Teaching of this utility model uses
Figure；
Fig. 3 is that the disk internal structure of the parabola demonstration teaching aid that a kind of College Mathematics Teaching of this utility model uses is illustrated
Figure.
In figure: 1- base；2- support column；3- cross bar；4- parabolic line bar；5- fastening bolt；6- lamp stand；7- electricity-saving lamp；8-
Through hole；9- axostylus axostyle；10- shaft coupling；11- machine shaft；12- motor；13- disk；14- hydraulic lifting arm；15- hydraulic lifting
Cylinder；16- control chamber；17- travels far and wide wheel；18- power supply；19- electric machine speed regulation knob；20- on and off switch；21- display screen；22- damping
Spring.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Refer to Fig. 1-3, a kind of embodiment that this utility model provides: the parabola that a kind of College Mathematics Teaching uses is drilled
Display teaching aid, including base 1, control chamber 16, motor 12, axostylus axostyle 9 and parabolic line bar 4, base 1 bottom two ends are provided with wheel of traveling far and wide
17, at base 1 bottom centre, hydraulic lifting cylinder 15 is installed, and hydraulic lifting cylinder 15 bottom is connected with by hydraulic lifting arm 14
Disk 13, base 1 top two ends are provided with support column 2, and are connected by cross bar 3 between two support columns 2, in base 1 top
Motor 12 is installed at the heart, base 1 leading flank is provided with control chamber 16, is provided with power supply 18 inside base 1, and power supply 18 passes through
Wire is connected with control chamber 16, and control chamber 16 leading flank is provided with electric machine speed regulation knob 19, display screen 21 and on and off switch 20, and
Display screen 21 is located on the left of electric machine speed regulation knob 19, and electric machine speed regulation knob 19 is located on the upside of on and off switch 20, and motor 12 is installed
There is machine shaft 11, and machine shaft 11 is connected with axostylus axostyle 9 by shaft coupling 10, cross bar 3 center is provided with through hole 8, and axostylus axostyle 9 is worn
Cross the through hole 8 of cross bar 3, and axostylus axostyle 9 top be provided with parabolic line bar 4, parabolic line bar 4 is connected with axostylus axostyle 9 by fastening bolt 5,
Disk 13 is internally provided with damping spring 22, and cross bar 3 is provided with lamp stand 6 positioned at axostylus axostyle 9 both sides, and lamp stand 6 top is provided with
Electricity-saving lamp 7, electricity-saving lamp 7 is connected with power supply 18 by wire.
Specifically used mode: in utility model works, wheel 17 moves the device into classroom by traveling far and wide, and starts hydraulic pressure
Lift cylinders 15, disk 13 is ejected by hydraulic lifting cylinder 15 by hydraulic lifting arm 14 so that base 1 raises, travel far and wide wheel 17 from
Turn up the soil face, turn on the power switch 20, machine shaft 11 drives axostylus axostyle 9 to coaxially rotate by shaft coupling 10, and then drives parabolic
Line bar 4 does high-speed rotation with axostylus axostyle 9 for center of rotation, the paraboloidal forming process of demonstration that can be vivid, and passes through
Display screen 21 on control chamber 16, can intuitively observe the rotating speed of motor 12, by the electric machine speed regulation knob on control chamber 16
19, can conveniently adjust the rotating speed of motor 12, by the electricity-saving lamp 7 on cross bar 3, parabolic line bar 4 can be rotated and form parabolic
It is illuminated during face, facilitate classmate clearly to watch paraboloidal forming process.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, this practicality can be realized in other specific forms new
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, this practicality is new
The scope of type is limited by claims rather than described above, it is intended that the containing of equivalency that will fall in claim
All changes in justice and scope are included in this utility model.Any reference in claim should not be considered as limiting
Involved claim.
Claims (4)
1. the parabola demonstration teaching aid that a kind of College Mathematics Teaching uses, including base (1), control chamber (16), motor (12), axle
Bar (9) and parabolic line bar (4) it is characterised in that: described base (1) bottom two ends are provided with wheel (17) of traveling far and wide, base (1) bottom
Center is provided with hydraulic lifting cylinder (15), and hydraulic lifting cylinder (15) bottom is connected with disk by hydraulic lifting arm (14)
(13), described base (1) top two ends are provided with support column (2), and pass through cross bar (3) connection, institute between two support columns (2)
State and motor (12) is installed at base (1) top center, base (1) leading flank is provided with peace inside control chamber (16), base (1)
Equipped with power supply (18), and power supply (18) is connected with control chamber (16) by wire, and described control chamber (16) leading flank is provided with electricity
Machine speed governing knob (19), display screen (21) and on and off switch (20), and display screen (21) is located on the left of electric machine speed regulation knob (19),
Electric machine speed regulation knob (19) is located on the upside of on and off switch (20), and described motor (12) is provided with machine shaft (11), and motor
Rotating shaft (11) is connected with axostylus axostyle (9) by shaft coupling (10), and described cross bar (3) center is provided with through hole (8), described axostylus axostyle (9)
Through the through hole (8) of cross bar (3), and axostylus axostyle (9) top is provided with parabolic line bar (4).
2. a kind of College Mathematics Teaching according to claim 1 uses parabola demonstration teaching aid it is characterised in that: described
Parabolic line bar (4) is connected with axostylus axostyle (9) by fastening bolt (5).
3. a kind of College Mathematics Teaching according to claim 1 uses parabola demonstration teaching aid it is characterised in that: described
Disk (13) is internally provided with damping spring (22).
4. a kind of College Mathematics Teaching according to claim 1 uses parabola demonstration teaching aid it is characterised in that: described
Cross bar (3) is upper to be provided with lamp stand (6) positioned at axostylus axostyle (9) both sides, and lamp stand (6) top is provided with electricity-saving lamp (7), described electricity-saving lamp
(7) it is connected with power supply (18) by wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620302292.9U CN205920655U (en) | 2016-04-06 | 2016-04-06 | Parabolic demonstration teaching aid that college mathematics teaching used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620302292.9U CN205920655U (en) | 2016-04-06 | 2016-04-06 | Parabolic demonstration teaching aid that college mathematics teaching used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205920655U true CN205920655U (en) | 2017-02-01 |
Family
ID=57876361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620302292.9U Expired - Fee Related CN205920655U (en) | 2016-04-06 | 2016-04-06 | Parabolic demonstration teaching aid that college mathematics teaching used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205920655U (en) |
-
2016
- 2016-04-06 CN CN201620302292.9U patent/CN205920655U/en not_active Expired - Fee Related
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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: 20170201 Termination date: 20180406 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |