CN203910161U - Gear train teaching aid - Google Patents
Gear train teaching aid Download PDFInfo
- Publication number
- CN203910161U CN203910161U CN201420316154.7U CN201420316154U CN203910161U CN 203910161 U CN203910161 U CN 203910161U CN 201420316154 U CN201420316154 U CN 201420316154U CN 203910161 U CN203910161 U CN 203910161U
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- gear
- shaft
- planet carrier
- fixed
- interior framework
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Abstract
The utility model discloses a gear train teaching aid which solves the problem that a highly integrated gear train teaching aid is not available. The gear train teaching aid comprises an outer frame, an inner frame, a power input part, an inner frame driving part and a planetary gear train, wherein the planetary gear train comprises a planet carrier, a planet carrier shaft, a sun gear, a transmission shaft part and an output shaft part. The sun gear is fixed with the inner frame, and the planet carrier is fixed on the planet carrier shaft. The power input part drives the planet carrier shaft, and the transmission shaft input gear of the transmission shaft part engages with the sun gear. A first output shaft gear, a second output shaft gear and an elliptic gear are fixed on the output shaft, and three types of transmission shaft output gears are respectively engaged with the first output shaft gear, the second output shaft gear and the elliptic gear. One end of a joint is connected with the planet carrier shaft through a bearing, and the other end is fixed with one end of the output shaft. The inner frame driving part drives the inner frame. The gear train teaching aid satisfies the requirements of assisting in teaching planetary gear trains, elliptic gear transmission properties and conversion wheel trains.
Description
Technical field
The utility model belongs to instruments used for education field, is specifically related to a kind of gear train teaching aid.
Background technology
The theoretical property of mechanical principle middle gear system is strong, the particularly transforming relationship of planet circular system and change train, the description of textbook word can not give student with lively, a vivid displaying, can only rely on student's self understandability to imagine, limit to a certain extent understanding and the cognition of student to gear train.On market, relevant multifunctional gear is that the product category of teaching aid is less, cannot meet the auxiliary demand of teaching.And most products only lays particular emphasis on an aspect, or only there is the demo function of fixed shaft gear train, or only there is the demo function of planet circular system, or only there is the demo function of change train, not the much higher function gear train of integrated level teaching aid.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, and a kind of gear train teaching aid is provided, and meets the aided education of train classification, planet circular system, Elliptical Gears Transmission characteristic, change train.
The utility model comprises outer frame, interior framework, power input part, interior framework driver part and planet circular system; The both sides, top of described outer frame are all fixed with outer frame flange; The both sides, top of interior framework are all fixed with interior framework flange, and two interior framework flanges are bearing in two outer frame flanges by bearing respectively; Described planet circular system comprises planet carrier, planet carrier shaft, sun gear, transmission shaft parts and output shaft assembly; Described sun gear and interior framework are fixed, and planet carrier shaft is bearing in sun gear by bearing; Described planet carrier is fixed on planet carrier shaft.
Described power input part comprises the first driving gear, planet carrier drive motor, handwheel, hand input shaft and the first follower gear.Described hand input shaft is bearing in an interior framework flange by bearing, and one end and handwheel are fixed, and one end of the other end and coupling sleeve is connected by screw, and the other end of described coupling sleeve and one end of planet carrier shaft are fixed; Base and the interior framework of described planet carrier drive motor are fixed; The output shaft of planet carrier drive motor and the first driving gear are fixed; The first described follower gear is fixed on planet carrier shaft, and engages with the first driving gear.
Described transmission shaft parts comprise transmission shaft output gear, transmission shaft and transmission shaft input gear; Described transmission shaft is connected by bearing with the bottom of planet carrier, and described transmission shaft input gear and transmission shaft output gear are separately fixed at the two ends of transmission shaft; Described transmission shaft input gear engages with sun gear.
Described output shaft assembly comprises connector, the first output shaft gear, the second output shaft gear, elliptic gear and output shaft; Described output shaft is bearing in another interior framework flange by bearing, and described the first output shaft gear, the second output shaft gear and elliptic gear are all fixed on output shaft; Have three kinds of multi-form transmission shaft output gears replaceable, the transmission shaft output gear of three kinds of forms engages with the first output shaft gear, the second output shaft gear and elliptic gear respectively; One end of connector is connected by bearing with the other end of planet carrier shaft; The other end of connector and one end of output shaft are fixed.
Described interior framework driver part comprises the second follower gear, the second driving gear and interior framework drive motor.Base and the outer frame of described interior framework drive motor are fixed; The second described driving gear is fixed on the output shaft of interior framework drive motor, and engages with the second follower gear; Described the second follower gear and interior framework flange are fixed.
The bottom of described outer frame is provided with feet; Described interior framework is arranged in outer frame, and is connected by screw with outer frame.
The top of described interior framework is fixed with interior framework counterweight; The top of described planet carrier is fixed with planet carrier counterweight.
The base of described planet carrier drive motor is connected by two bolts with interior framework, and a bolt is arranged in the arc chute of interior framework.
The other end of described output shaft is fixed with pointer.
The beneficial effects of the utility model:
1, the first driving gear of the present utility model and the engagement of the first follower gear, can assist explanation fixed shaft gear train knowledge point; By regulating interior framework drive motor to make the rotating speed opposite sign but equal magnitude of rotating speed and the planet carrier of interior framework, realize the auxiliary explanation in change train knowledge point with this; Integrated explanation fixed shaft gear train, planet circular system and change train, and realize the different output effects of output shaft by changing in planet circular system three kinds of multi-form transmission shaft output gears.
2, the utility model integrated level is high, merges many teaching knowledges point, can not only explanation knowledge point in teaching process, more can allow student realize the exquisite of train transmission, student can be in operating process the motion of profound understanding gear train; Compact conformation, simple to operate, two kinds of patterns of motor input power and hand input power can be changed.
Brief description of the drawings
Fig. 1 is one-piece construction cut-open view of the present utility model;
Fig. 2 is one-piece construction stereographic map of the present utility model;
Fig. 3 is kinematic sketch of mechanism of the present utility model;
Fig. 4 is the left view of Fig. 1.
In figure: 1, outer frame, 1-1, feet, 1-2, outer frame flange, 2, interior framework, 2-1, interior framework flange, 2-2, interior framework counterweight, 3, the second follower gear, 4, the second driving gear, 5, transmission shaft output gear, 6, transmission shaft, 7, planet carrier, 8, transmission shaft input gear, 9, planet carrier counterweight, 10, the first driving gear, 11, planet carrier drive motor, 12, handwheel, 13, hand input shaft, 14, coupling sleeve, 15, planet carrier shaft, 16, the first follower gear, 17, sun gear, 18, connector, 19, the first output shaft gear, 20, the second output shaft gear, 21, elliptic gear, 22, pointer, 23, output shaft, 24, interior framework drive motor.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1,2 and 3, gear train teaching aid, comprises outer frame 1, interior framework 2, power input part, interior framework driver part and planet circular system; The bottom of outer frame 1 is provided with feet 1-1, and both sides, top are all fixed with outer frame flange 1-2; Interior framework 2 is arranged in outer frame 1, and is connected by screw with outer frame 1; The both sides, top of interior framework 2 are all fixed with interior framework flange 2-1, and two interior framework flange 2-1 are bearing in two outer frame flange 1-2 by bearing respectively; Interior framework counterweight 2-2 is fixed on interior framework 2 tops; Planet circular system comprises planet carrier 7, planet carrier shaft 15, sun gear 17, transmission shaft parts and output shaft assembly; Sun gear 17 is fixing with interior framework 2, and planet carrier shaft 15 is bearing in sun gear 17 by bearing; Planet carrier 7 is fixed on planet carrier shaft 15, and the top of planet carrier 7 is fixed with planet carrier counterweight 9.
As shown in Fig. 1,2 and 4, power input part comprises the first driving gear 10, planet carrier drive motor 11, handwheel 12, hand input shaft 13 and the first follower gear 16.Hand input shaft 13 is bearing in an interior framework flange 2-1 by bearing, and one end and handwheel 12 are fixing, and one end of the other end and coupling sleeve 14 is connected by screw, and one end of the other end of coupling sleeve 14 and planet carrier shaft 15 is fixed; The base of planet carrier drive motor 11 is connected by two bolts with interior framework 2, and a bolt is arranged in the arc chute 2-3 of interior framework; The output shaft of planet carrier drive motor 11 and the first driving gear 10 are fixing; The first follower gear 16 is fixed on planet carrier shaft 15, and engages with the first driving gear 10; Be fixed on accumulator on interior framework and provide power for planet carrier drive motor 11.
Transmission shaft parts comprise transmission shaft output gear 5, transmission shaft 6 and transmission shaft input gear 8; Transmission shaft 6 is connected by bearing with the bottom of planet carrier 7, and transmission shaft input gear 8 and transmission shaft output gear 5 are separately fixed at the two ends of transmission shaft 6; Transmission shaft input gear 8 engages with sun gear 17.
Output shaft assembly comprises connector 18, the first output shaft gear 19, the second output shaft gear 20, elliptic gear 21, pointer 22 and output shaft 23; Output shaft 23 is bearing in another interior framework flange 2-1 by bearing, and the first output shaft gear 19, the second output shaft gear 20 and elliptic gear 21 are all fixed on output shaft 23; There are three kinds of multi-form transmission shaft output gears 5 replaceable, the transmission shaft output gear 5 of three kinds of forms engages with the first output shaft gear 19, the second output shaft gear 20 and elliptic gear 21 respectively, at the uniform velocity exports, oppositely at the uniform velocity output and speed change swing output at the forward that planet carrier 7 is unidirectional realizes respectively output shaft 23 at the uniform velocity import power in the situation that; One end of connector 18 is connected by bearing with the other end of planet carrier shaft 15; One end of the other end of connector 18 and output shaft 23 is fixed; The other end of output shaft 23 is fixed with pointer 22.
Interior framework driver part comprises the second follower gear 3, the second driving gear 4 and interior framework drive motor 24.The base of interior framework drive motor 24 and outer frame 1 are fixing; The second driving gear 4 is fixed on the output shaft of interior framework drive motor 24, and engages with the second follower gear 3; The second follower gear 3 is fixed with interior framework flange 2-1.
The principle of work of this gear train teaching aid:
Motor input power: drive planet carrier drive motor 11, power is passed to the first follower gear 16 and planet carrier shaft 15 through the first driving gear 10, and planet carrier shaft 15 drives planet carrier 7 to rotate, and realizes the motion of planet circular system.
Hand input power: by unscrewing the bolt in the arc chute 2-3 of interior framework, motor cabinet is rotated, the first driving gear 10 and the first follower gear 16 are thrown off, the motion conditions of then observing planet circular system by rotating handwheel 12.
The transmission shaft output gear 5 of changing on transmission shaft 6 reaches different output effects: have three kinds of multi-form transmission shaft output gears 5 replaceable, the transmission shaft output gear 5 of three kinds of forms engages with the first output shaft gear 19, the second output shaft gear 20 and elliptic gear 21 respectively, at the uniform velocity exports, oppositely at the uniform velocity output and speed change swing output at the forward that planet carrier 7 is unidirectional realizes respectively output shaft 23 at the uniform velocity import power in the situation that; By the demonstration of three kinds of output effects, allow student acquire a deep understanding of feature and the advantage of planet circular system transmission.
The demonstration of conversion train: take off with the screw of outer frame 1 connecting interior framework 2, now interior framework 2 is free to rotate; Start planet carrier drive motor 11 and drive planet carrier 7 to rotate, then start interior framework drive motor 24, and make the rotating speed opposite sign but equal magnitude of rotating speed and the planet carrier 7 of interior framework 2 by speed governing, realize change train with this.
Claims (5)
1. gear train teaching aid, comprises outer frame, interior framework, power input part, interior framework driver part and planet circular system, it is characterized in that:
The both sides, top of described outer frame are all fixed with outer frame flange; The both sides, top of interior framework are all fixed with interior framework flange, and two interior framework flanges are bearing in two outer frame flanges by bearing respectively; Described planet circular system comprises planet carrier, planet carrier shaft, sun gear, transmission shaft parts and output shaft assembly; Described sun gear and interior framework are fixed, and planet carrier shaft is bearing in sun gear by bearing; Described planet carrier is fixed on planet carrier shaft;
Described power input part comprises the first driving gear, planet carrier drive motor, handwheel, hand input shaft and the first follower gear; Described hand input shaft is bearing in an interior framework flange by bearing, and one end and handwheel are fixed, and one end of the other end and coupling sleeve is connected by screw, and the other end of described coupling sleeve and one end of planet carrier shaft are fixed; Base and the interior framework of described planet carrier drive motor are fixed; The output shaft of planet carrier drive motor and the first driving gear are fixed; The first described follower gear is fixed on planet carrier shaft, and engages with the first driving gear;
Described transmission shaft parts comprise transmission shaft output gear, transmission shaft and transmission shaft input gear; Described transmission shaft is connected by bearing with the bottom of planet carrier, and described transmission shaft input gear and transmission shaft output gear are separately fixed at the two ends of transmission shaft; Described transmission shaft input gear engages with sun gear;
Described output shaft assembly comprises connector, the first output shaft gear, the second output shaft gear, elliptic gear and output shaft; Described output shaft is bearing in another interior framework flange by bearing, and described the first output shaft gear, the second output shaft gear and elliptic gear are all fixed on output shaft; Have three kinds of multi-form transmission shaft output gears replaceable, the transmission shaft output gear of three kinds of forms engages with the first output shaft gear, the second output shaft gear and elliptic gear respectively; One end of connector is connected by bearing with the other end of planet carrier shaft; The other end of connector and one end of output shaft are fixed;
Described interior framework driver part comprises the second follower gear, the second driving gear and interior framework drive motor; Base and the outer frame of described interior framework drive motor are fixed; The second described driving gear is fixed on the output shaft of interior framework drive motor, and engages with the second follower gear; Described the second follower gear and interior framework flange are fixed.
2. gear train teaching aid according to claim 1, is characterized in that: the bottom of described outer frame is provided with feet; Described interior framework is arranged in outer frame, and is connected by screw with outer frame.
3. gear train teaching aid according to claim 1, is characterized in that: the top of described interior framework is fixed with interior framework counterweight; The top of described planet carrier is fixed with planet carrier counterweight.
4. gear train teaching aid according to claim 1, is characterized in that: the base of described planet carrier drive motor is connected by two bolts with interior framework, and a bolt is arranged in the arc chute of interior framework.
5. gear train teaching aid according to claim 1, is characterized in that: the other end of described output shaft is fixed with pointer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420316154.7U CN203910161U (en) | 2014-06-13 | 2014-06-13 | Gear train teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420316154.7U CN203910161U (en) | 2014-06-13 | 2014-06-13 | Gear train teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203910161U true CN203910161U (en) | 2014-10-29 |
Family
ID=51784418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420316154.7U Withdrawn - After Issue CN203910161U (en) | 2014-06-13 | 2014-06-13 | Gear train teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203910161U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064099A (en) * | 2014-06-13 | 2014-09-24 | 浙江理工大学 | Gear train teaching aid |
| CN104575230A (en) * | 2014-12-19 | 2015-04-29 | 福建工程学院 | Experimental device for calculation and verification of transmission ratio and comprehensive structural analysis of gear train |
| CN105160986A (en) * | 2015-09-28 | 2015-12-16 | 中原工学院 | Wheel train teaching aid with combination of hand operation and automatic operation |
-
2014
- 2014-06-13 CN CN201420316154.7U patent/CN203910161U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064099A (en) * | 2014-06-13 | 2014-09-24 | 浙江理工大学 | Gear train teaching aid |
| CN104064099B (en) * | 2014-06-13 | 2016-04-13 | 浙江理工大学 | A kind of gear train teaching aid |
| CN104575230A (en) * | 2014-12-19 | 2015-04-29 | 福建工程学院 | Experimental device for calculation and verification of transmission ratio and comprehensive structural analysis of gear train |
| CN104575230B (en) * | 2014-12-19 | 2017-08-08 | 福建工程学院 | It is a kind of to verify the experimental provision analyzed with structure composition for train gear ratio calculation |
| CN105160986A (en) * | 2015-09-28 | 2015-12-16 | 中原工学院 | Wheel train teaching aid with combination of hand operation and automatic operation |
| CN105160986B (en) * | 2015-09-28 | 2017-12-08 | 中原工学院 | A kind of train teaching aid with being combined automatically manually |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141029 Effective date of abandoning: 20160413 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20141029 Effective date of abandoning: 20160413 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |