CN204496787U - A kind of physics teaching experimental device - Google Patents
A kind of physics teaching experimental device Download PDFInfo
- Publication number
- CN204496787U CN204496787U CN201520141752.XU CN201520141752U CN204496787U CN 204496787 U CN204496787 U CN 204496787U CN 201520141752 U CN201520141752 U CN 201520141752U CN 204496787 U CN204496787 U CN 204496787U
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- pad
- dop
- support column
- base plate
- 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
Links
- 239000002965 rope Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Abstract
A kind of physics teaching experimental device, comprise base plate, base plate is provided with support column and support bar, post upper is provided with the first rotating shaft, first rotating shaft is connected with back up pad one end, back up pad top is provided with the second rotating shaft, second rotating shaft is provided with identical bearing, bearing outer wall is provided with retainer plate, retainer plate is connected with rope one end, the rope other end is connected with the 3rd rotating shaft being arranged on support column upper end, 3rd rotating shaft is connected with ratchet and handle, the dop cooperatively interacted is provided with above ratchet, dop is arranged on slider tube, slip pipe is provided with chute, chute and the slide bar be arranged on dop cooperatively interact, the first spring is provided with bottom dop He bottom slip pipe, slip pipe bottom is connected with contiguous block, contiguous block is connected with support column by nut, protractor is provided with between base plate and back up pad.The utility model is vividly joyful, can attract the learning interest of student thus can improve efficiency of teaching, and structure is simple, easy to operate.
Description
Technical field
The utility model relates to a kind of physics teaching experimental device, particularly relates to a kind of Study on Friction Coefficient device, belongs to physical teaching aid application.
Background technology
At present, teacher is familiar with various physical phenomenon when carrying out inclined-plane teaching to student more intuitively in order to student, generally need to make student carry out direct vision by experiment, general way is combined into the apparatus with demonstration inclined-plane function by finding suitable place or finding different teaching aids, not only need like this to spend the longer time to find applicable apparatus or place in experimental demonstration teaching process, and the apparatus of this combination is not easily fixed due to bevel angle and determines, so easily failure in presentation process, so not only affect quality of instruction, and reduce efficiency of teaching.
Utility model content
The purpose of this utility model is to provide a kind of physics teaching experimental device, can well study friction factor by the utility model, completes the measurement of friction factor.
The purpose of this utility model is achieved through the following channels:
A kind of physics teaching experimental device, comprise base plate, described base plate is provided with support column and support bar, described post upper is provided with the first rotating shaft, described first rotating shaft is connected with back up pad one end, described back up pad top is provided with the second rotating shaft, described second rotating shaft is provided with identical bearing, described bearing outer wall is provided with retainer plate, described retainer plate is connected with rope one end, the rope other end is connected with the 3rd rotating shaft being arranged on support column upper end, described 3rd rotating shaft is connected with ratchet and handle, the dop cooperatively interacted is provided with above described ratchet, described dop is arranged on slider tube, described slip pipe is provided with chute, described chute and the slide bar be arranged on dop cooperatively interact, the first spring is provided with bottom described dop He bottom slip pipe, described slip pipe bottom is connected with contiguous block, described contiguous block is connected with support column by nut, protractor is provided with between described base plate and back up pad, described back up pad two ends are provided with block and clamping device, described clamping device comprises a briquetting, described briquetting one end is provided with pressure head one end and is provided with by groove, described briquetting is provided with the 4th rotating shaft, described 4th rotating shaft is connected with connecting link one end, the connecting link other end is connected with web joint, described web joint is connected with back up pad by screw, the second spring is connected with between described briquetting and web joint.The utility model beneficial effect:
The back up pad adjustable angle of the utility model by arranging, and be convenient to measure the angle rotated by the protractor arranged, the clamping device arranged can clamp the plate of different materials, thus the friction factor of different materials can be measured, in addition, the utility model is vividly joyful, the learning interest of student can be attracted thus can efficiency of teaching be improved, the utility model structure is simple, easy to operate, suitable popularization.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model ratchet syndeton schematic diagram;
Fig. 3 is the utility model clamping device structural representation;
In figure, 1, base plate, 2, support column, 3, support bar, 4, the first rotating shaft, 5, back up pad, 6, block, 7, the second rotating shaft, 8, bearing, 9, retainer plate, 10, rope, the 11, the 3rd rotating shaft, 12, handle, 13, ratchet, 14, clamping device, 15, contiguous block, 16, nut, 17, slip pipe, 18, chute, 19, dop, 20, slide bar, the 21, first spring, 22, by groove, 23, briquetting, the 24, the 4th rotating shaft, 25, connecting link, 26, web joint, 27, screw, 28, the second spring, 29, pressure head, 30, protractor.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
Embodiment:
As shown in Figure 1 to Figure 3, a kind of physics teaching experimental device, comprise base plate, described base plate 1 is provided with support column 2 and support bar 3, described post upper is provided with the first rotating shaft 4, described first rotating shaft is connected with back up pad 5 one end, described back up pad top is provided with the second rotating shaft 7, described second rotating shaft is provided with identical bearing 8, described bearing outer wall is provided with retainer plate 9, described retainer plate is connected with rope 10 one end, the rope other end is connected with the 3rd rotating shaft 11 being arranged on support column upper end, described 3rd rotating shaft is connected with ratchet 13 and handle 12, the dop 19 cooperatively interacted is provided with above described ratchet, it is inner that described dop is arranged on slip pipe 17, described slip pipe is provided with chute 18, described chute and the slide bar 20 be arranged on dop cooperatively interact, the first spring 21 is provided with bottom described dop He bottom slip pipe, described slip pipe bottom is connected with contiguous block 15, described contiguous block is connected with support column by nut 16, protractor 30 is provided with between described base plate and back up pad.Described back up pad two ends are provided with block 6 and clamping device 14, described clamping device comprises a briquetting 23, described briquetting one end is provided with pressure head 29 one end and is provided with by groove 22, described briquetting is provided with the 4th rotating shaft 24, described 4th rotating shaft is connected with connecting link 25 one end, the connecting link other end is connected with web joint 26, and described web joint is connected with back up pad by screw 27, is connected with the second spring 28 between described briquetting and web joint.
Concrete using method:
As shown in Figure 1 to Figure 3, the wooden unit of teacher's choice criteria shape or derby (being preferably designed as rectangular parallelepiped or cubic shaped), and weigh up its quality, then place on the supporting plate, by handle, back up pad has been shaken, stop operating when wooden unit or derby just slide, read angle and can calculate friction factor, the utility model structure is simple, can use for a long time, low-carbon environment-friendly, is worthy to be popularized.
The above; be only embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; any those of ordinary skill in the art are in the technical scope disclosed by the utility model; the change can expected without creative work or replacement, all should be encompassed within protection domain of the present utility model.Therefore, the protection domain that protection domain of the present utility model should limit with claims is as the criterion.
Claims (1)
1. a physics teaching experimental device, comprise base plate, it is characterized in that, described base plate is provided with support column and support bar, described post upper is provided with the first rotating shaft, described first rotating shaft is connected with back up pad one end, described back up pad top is provided with the second rotating shaft, described second rotating shaft is provided with identical bearing, described bearing outer wall is provided with retainer plate, described retainer plate is connected with rope one end, the rope other end is connected with the 3rd rotating shaft being arranged on support column upper end, described 3rd rotating shaft is connected with ratchet and handle, the dop cooperatively interacted is provided with above described ratchet, described dop is arranged on slider tube, described slip pipe is provided with chute, described chute and the slide bar be arranged on dop cooperatively interact, the first spring is provided with bottom described dop He bottom slip pipe, described slip pipe bottom is connected with contiguous block, described contiguous block is connected with support column by nut, protractor is provided with between described base plate and back up pad, described back up pad two ends are provided with block and clamping device, described clamping device comprises a briquetting, described briquetting one end is provided with pressure head one end and is provided with by groove, described briquetting is provided with the 4th rotating shaft, described 4th rotating shaft is connected with connecting link one end, the connecting link other end is connected with web joint, described web joint is connected with back up pad by screw, the second spring is connected with between described briquetting and web joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520141752.XU CN204496787U (en) | 2015-03-13 | 2015-03-13 | A kind of physics teaching experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520141752.XU CN204496787U (en) | 2015-03-13 | 2015-03-13 | A kind of physics teaching experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204496787U true CN204496787U (en) | 2015-07-22 |
Family
ID=53576083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520141752.XU Expired - Fee Related CN204496787U (en) | 2015-03-13 | 2015-03-13 | A kind of physics teaching experimental device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204496787U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060107A (en) * | 2017-05-03 | 2017-08-18 | 上海闵轩钢结构工程有限公司 | A kind of steel structure connecting member |
-
2015
- 2015-03-13 CN CN201520141752.XU patent/CN204496787U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060107A (en) * | 2017-05-03 | 2017-08-18 | 上海闵轩钢结构工程有限公司 | A kind of steel structure connecting member |
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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: 20150722 Termination date: 20160313 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |