CN204632239U - A kind of planetary gears motion demonstrating teaching aid - Google Patents
A kind of planetary gears motion demonstrating teaching aid Download PDFInfo
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- CN204632239U CN204632239U CN201520301075.3U CN201520301075U CN204632239U CN 204632239 U CN204632239 U CN 204632239U CN 201520301075 U CN201520301075 U CN 201520301075U CN 204632239 U CN204632239 U CN 204632239U
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Abstract
The utility model discloses a kind of planetary gears motion demonstrating teaching aid, first driving mechanism connects the sun gear of planetary gears by the first transmission shaft, second driving mechanism connects the planet carrier of planetary gears by second driving shaft, two transmission shafts are respectively equipped with measure speed gears, when the first driving mechanism drives sun gear to rotate, first tachogenerator is by the rotating speed of detection first measure speed gears, obtain the rotating speed of sun gear, planetary gear rotates under the drive of sun gear, second tachogenerator is by the rotating speed of detection second measure speed gears, obtain the rotating speed of planetary gear, thus make student more directly can understand the principle of work of planetary gears, gear ratio formula can be verified according to the testing result of the first tachogenerator and the second tachogenerator simultaneously, be convenient to Students ' Learning understand.
Description
Technical field
The utility model relates to mechanical teaching aid technical field, particularly relates to a kind of planetary gears motion demonstrating teaching aid.
Background technology
The a lot of course of mechanical speciality needs experimental demonstration that student just can be made better to understand, the calculating etc. of the motion principle of the planetary gears that such as will learn in " mechanical principle " course, planetary various working method and inner structure, gear ratio.In order to allow student understand more intuitively, teacher can be seen to student by planetary gears material object display usually.But this can only help student to understand the motion principle of planetary gears usually, and planetary gear ratio is the difficult point of study, and student is often difficult to directly understand gear ratio, and cause student to understand difficulty, learning efficiency is low.
Utility model content
For solving the technical matters existed in background technology, the utility model proposes a kind of planetary gears motion demonstrating teaching aid, the principle of work of displaying planetary gears directly perceived, and the rotating speed of sun gear and the rotating speed of planetary gear during work can be obtained, Planetary Gear Transmission is verified than formula, makes student more directly understand planetary relevant knowledge.
A kind of planetary gears motion demonstrating teaching aid that the utility model proposes, comprising: support, the first driving mechanism, the second driving mechanism, planetary gears, the first transmission shaft, second driving shaft, the first tachogenerator, the second tachogenerator;
Planetary gears is rack-mount, planetary gears comprises sun gear, multiple planetary gear, planet carrier, gear ring, multiple planetary gear is arranged on planet carrier, multiple planetary gear is located at around sun gear and also engages with sun gear respectively, and gear ring is enclosed within all planetary gears outside and engages with each planetary gear;
First transmission shaft is connected with sun gear and is located along the same line with sun gear rotating shaft, and the first driving mechanism connects the first transmission shaft one end away from sun gear, the first transmission shaft is arranged with the first measure speed gears, and the first tachogenerator is connected with the first measure speed gears;
Second driving shaft is connected with planet carrier and is located along the same line with planet carrier rotating shaft, and the second driving mechanism connects second driving shaft away from one end of planet carrier, and second driving shaft is arranged with the second measure speed gears, the second tachogenerator is connected with the second measure speed gears.
Preferably, gear ring is fixedly connected with support.
Preferably, planetary gears comprises three planetary gears.
Preferably, the first transmission shaft is multidiameter.
Preferably, second driving shaft is multidiameter.
In the utility model, the planetary gears motion demonstrating teaching aid proposed, first driving mechanism connects the sun gear of planetary gears by the first transmission shaft, second driving mechanism connects the planet carrier of planetary gears by second driving shaft, two transmission shafts are respectively equipped with measure speed gears, when the first driving mechanism drives sun gear to rotate, first tachogenerator is by the rotating speed of detection first measure speed gears, obtain the rotating speed of sun gear, planetary gear rotates under the drive of sun gear, second tachogenerator is by the rotating speed of detection second measure speed gears, obtain the rotating speed of planetary gear, thus make student more directly can understand the principle of work of planetary gears, gear ratio formula can be verified according to the testing result of the first tachogenerator and the second tachogenerator simultaneously, be convenient to Students ' Learning understand.By the planetary gears motion demonstrating teaching aid of above-mentioned optimal design, compact conformation, reasonable in design, the principle of work of displaying planetary gears directly perceived, and the rotating speed of sun gear and the rotating speed of planetary gear during work can be obtained, Planetary Gear Transmission is verified than formula, makes student more directly understand planetary relevant knowledge.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of planetary gears motion demonstrating teaching aid that the utility model proposes.
Fig. 2 is the structural representation of the planetary gears of Fig. 1.
Embodiment
As illustrated in fig. 1 and 2, Fig. 1 is the structural representation of a kind of planetary gears motion demonstrating teaching aid that the utility model proposes, and Fig. 2 is the structural representation of the planetary gears of Fig. 1.
With reference to Fig. 1 and 2, a kind of planetary gears motion demonstrating teaching aid that the utility model proposes, comprising: support 1, planetary gears 2, first driving mechanism 3, second driving mechanism 4, first transmission shaft 5, second driving shaft 6, first tachogenerator 7, second tachogenerator 8;
Planetary gears 2 is arranged on support 1, planetary gears 2 comprises sun gear 21, three planetary gears 22, planet carrier 23, gear rings 24, three planetary gears 22 are arranged on planet carrier 23, three planetary gears 22 are positioned at around sun gear 21 and also engage with sun gear 21 respectively, gear ring 24 is enclosed within all planetary gears 22 outside and engages with each planetary gear 22, and gear ring 24 is fixed on support 1;
First transmission shaft 5 adopts multidiameter, it is connected with sun gear 21 and is located along the same line with sun gear 21 rotating shaft, first driving mechanism 3 adopts by the battery-driven motor of 12V, it is connected to the first transmission shaft 5 one end away from sun gear 21, first transmission shaft 5 is arranged with the first measure speed gears 51, first measure speed gears 51 adopts 2 mould 20 gears, and the first tachogenerator 7 is connected with the first measure speed gears 51;
Second driving shaft 6 adopts multidiameter, it is connected with planet carrier 23 and is located along the same line with planet carrier 23 rotating shaft, second driving mechanism 4 adopts by the battery-driven motor of 12V, it connects second driving shaft 6 one end away from planet carrier 23, second driving shaft 6 is arranged with the second measure speed gears 61, second measure speed gears 61 adopts 2 mould 20 gears, and the second tachogenerator 8 is connected with the second measure speed gears 61.
When adopting the planetary gears motion demonstrating teaching aid demonstration of the present embodiment, when adopting the first driving mechanism active drive sun gear to rotate, first tachogenerator is by the rotating speed of detection first measure speed gears, obtain the rotating speed of sun gear, planetary gear rotates under the drive of sun gear, second tachogenerator, by the rotating speed of detection second measure speed gears, obtains the rotating speed of planetary gear; When in like manner adopting the second driving mechanism active drive planet carrier to rotate, second tachogenerator is by the rotating speed of detection second measure speed gears, obtain the rotating speed of planetary gear, sun gear rotates under the drive of planetary gear, first tachogenerator is by the rotating speed of detection first measure speed gears, obtain the rotating speed of sun gear, thus make student more directly can understand the principle of work of planetary gears, gear ratio formula can be verified according to the testing result of the first tachogenerator and the second tachogenerator simultaneously.
In the present embodiment, the planetary gears motion demonstrating teaching aid proposed, first driving mechanism connects the sun gear of planetary gears by the first transmission shaft, second driving mechanism connects the planet carrier of planetary gears by second driving shaft, two transmission shafts are respectively equipped with measure speed gears, sun gear active or planetary gear is driven initiatively by the first driving mechanism or the second driving mechanism, first tachogenerator is by the rotating speed of detection first measure speed gears, obtain the rotating speed of sun gear, second tachogenerator is by the rotating speed of detection second measure speed gears, obtain the rotating speed of planetary gear, thus make student more directly can understand the principle of work of planetary gears, gear ratio formula can be verified according to the testing result of the first tachogenerator and the second tachogenerator simultaneously, be convenient to Students ' Learning understand.By the planetary gears motion demonstrating teaching aid of above-mentioned optimal design, compact conformation, reasonable in design, the principle of work of displaying planetary gears directly perceived, and the rotating speed of sun gear and the rotating speed of planetary gear during work can be obtained, Planetary Gear Transmission is verified than formula, makes student more directly understand planetary relevant knowledge.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and utility model design thereof and replace or change, all should be encompassed within protection domain of the present utility model.
Claims (9)
1. a planetary gears motion demonstrating teaching aid, it is characterized in that, comprising: support (1), planetary gears (2), the first driving mechanism (3), the second driving mechanism (4), the first transmission shaft (5), second driving shaft (6), the first tachogenerator (7), the second tachogenerator (8);
Planetary gears (2) is arranged on support (1), planetary gears (2) comprises sun gear (21), multiple planetary gear (22), planet carrier (23), gear ring (24), multiple planetary gear (22) is arranged on planet carrier (23), multiple planetary gear (22) is positioned at sun gear (21) and around also engages with sun gear (21) respectively, and gear ring (24) is enclosed within all planetary gears (22) outside and engages with each planetary gear (22);
First transmission shaft (5) is connected with sun gear (21) and is located along the same line with sun gear (21) rotating shaft, first driving mechanism (3) connects the first transmission shaft (5) one end away from sun gear (21), first transmission shaft (5) is arranged with the first measure speed gears (51), the first tachogenerator (7) is connected with the first measure speed gears (51);
Second driving shaft (6) is connected with planet carrier (23) and is located along the same line with planet carrier (23) rotating shaft, second driving mechanism (4) connects second driving shaft (6) one end away from planet carrier (23), second driving shaft (6) is arranged with the second measure speed gears (61), the second tachogenerator (8) is connected with the second measure speed gears (61).
2. planetary gears motion demonstrating teaching aid according to claim 1, is characterized in that, gear ring (24) is fixedly connected with support (1).
3. planetary gears motion demonstrating teaching aid according to claim 1, is characterized in that, planetary gears (2) comprises three planetary gears (22).
4. planetary gears motion demonstrating teaching aid according to claim 1, is characterized in that, the first transmission shaft (5) is multidiameter.
5. planetary gears motion demonstrating teaching aid according to claim 1, is characterized in that, second driving shaft (6) is multidiameter.
6. planetary gears motion demonstrating teaching aid according to claim 1, is characterized in that, the first measure speed gears (51) adopts 2 mould 20 gears.
7. planetary gears motion demonstrating teaching aid according to claim 1, is characterized in that, the second measure speed gears (52) adopts 2 mould 20 gears.
8. planetary gears motion demonstrating teaching aid according to claim 1, is characterized in that, the first driving mechanism (3) adopts by the battery-driven motor of 12V.
9. planetary gears motion demonstrating teaching aid according to claim 1, is characterized in that, the second driving mechanism (4) adopts by the battery-driven motor of 12V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520301075.3U CN204632239U (en) | 2015-05-11 | 2015-05-11 | A kind of planetary gears motion demonstrating teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520301075.3U CN204632239U (en) | 2015-05-11 | 2015-05-11 | A kind of planetary gears motion demonstrating teaching aid |
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| Publication Number | Publication Date |
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| CN204632239U true CN204632239U (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520301075.3U Expired - Fee Related CN204632239U (en) | 2015-05-11 | 2015-05-11 | A kind of planetary gears motion demonstrating teaching aid |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105761604A (en) * | 2016-04-27 | 2016-07-13 | 安徽工业大学 | Multifunctional modular planetary transmission teaching aid |
| CN106530944A (en) * | 2017-01-03 | 2017-03-22 | 华巧燕 | Gear transmission teaching instrument |
| CN106847059A (en) * | 2017-04-11 | 2017-06-13 | 张馨之 | Gear ratio verifies teaching aid |
| CN109520460A (en) * | 2018-12-25 | 2019-03-26 | 德恩科电机（太仓）有限公司 | A kind of planetary gear number of teeth detection machine |
| CN109994035A (en) * | 2019-04-12 | 2019-07-09 | 大连职业技术学院 | A kind of automatic transmission planetary gear kinetic current transmitting simulation teaching device |
| CN110033692A (en) * | 2019-04-28 | 2019-07-19 | 重庆理工大学 | A kind of planetary gear mechanism movement instructional device |
| CN113917175A (en) * | 2021-10-19 | 2022-01-11 | 福洛德(上海)传动技术有限公司 | Speed-measuring device for speed-reducing planetary gear |
-
2015
- 2015-05-11 CN CN201520301075.3U patent/CN204632239U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105761604A (en) * | 2016-04-27 | 2016-07-13 | 安徽工业大学 | Multifunctional modular planetary transmission teaching aid |
| CN105761604B (en) * | 2016-04-27 | 2018-09-18 | 安徽工业大学 | A kind of multifunctional modular Gear Planet Transmission teaching aid |
| CN106530944A (en) * | 2017-01-03 | 2017-03-22 | 华巧燕 | Gear transmission teaching instrument |
| CN106847059A (en) * | 2017-04-11 | 2017-06-13 | 张馨之 | Gear ratio verifies teaching aid |
| CN109520460A (en) * | 2018-12-25 | 2019-03-26 | 德恩科电机（太仓）有限公司 | A kind of planetary gear number of teeth detection machine |
| CN109994035A (en) * | 2019-04-12 | 2019-07-09 | 大连职业技术学院 | A kind of automatic transmission planetary gear kinetic current transmitting simulation teaching device |
| CN109994035B (en) * | 2019-04-12 | 2024-04-09 | 大连职业技术学院 | Automatic transmission planetary gear power flow transmission simulation teaching device |
| CN110033692A (en) * | 2019-04-28 | 2019-07-19 | 重庆理工大学 | A kind of planetary gear mechanism movement instructional device |
| CN113917175A (en) * | 2021-10-19 | 2022-01-11 | 福洛德(上海)传动技术有限公司 | Speed-measuring device for speed-reducing planetary gear |
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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: 20150909 Termination date: 20160511 |
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| CF01 | Termination of patent right due to non-payment of annual fee |