CN203941659U - A kind of planet circular system demonstrator - Google Patents
A kind of planet circular system demonstrator Download PDFInfo
- Publication number
- CN203941659U CN203941659U CN201420304648.3U CN201420304648U CN203941659U CN 203941659 U CN203941659 U CN 203941659U CN 201420304648 U CN201420304648 U CN 201420304648U CN 203941659 U CN203941659 U CN 203941659U
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- gear
- planet
- circular system
- wheel shaft
- arms
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Abstract
The utility model discloses a kind of planet circular system demonstrator.The teaching aid that relates to secondary elliptic gear train, secondary non-circular gear planetary gear system does not exist.Sun wheel shaft of the present utility model and back up pad are fixed, and transmission shaft and back up pad are hinged; One end of transmission shaft and one end of rocking bar are fixed, and the other end and motion input gear are fixed; The other end and the turning handle of rocking bar are fixed; Movement output gear is connected by bearing with sun wheel shaft, and engages with motion input gear; The end face of gear installing plate and movement output gear is fixed; Gear installing plate offers sun wheel shaft mounting hole, four bending planet carrier both arms planet circular system mounting holes, two single armed planet circular system mounting holes and four vertical bar planet carrier both arms planet circular system mounting holes; Sun wheel shaft is arranged in sun wheel shaft mounting hole.The utility model helps student to strengthen the understanding to partial gear, non-circular gear, gear engagement and planet circular system.
Description
Technical field
The utility model belongs to instruments used for education field, is specifically related to a kind of planet circular system demonstrator.
Background technology
Gear drive is as application in machine equipments power and motion transfering device the most widely, and its principle of work and matching relationship are very important in actual production.Elliptic gear, non-circular gear drive are as special gear drive, and its application surface is very extensive, relate to the aspects such as measurement, gear and farm machinery.Thereby there are mechanical student's compulsory courses such as the content that relates to gear, such as mechanical principle, Machine Design, high theory of mechanisms and analysis and synthesis of mechanism at the specialized courses of a lot of mechanical subjects.
But, review in books can not give student with lively, a vivid displaying, can only rely on student's self understandability to imagine, can not allow student fully understand knowledge point, limit to a certain extent understanding and the cognition of student to non-circular gear drive, limited the ability that student uses non-circular gear after working.
Relevant gear-driven teaching aid is relatively less, and the teaching aid that relates to secondary elliptic gear train, secondary non-circular gear planetary gear system does not exist, and does not also exist for the knowledge point teaching aid of the core work mechanism of agricultural machinery planting machinery.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, a kind of planet circular system demonstrator is provided, help student to strengthen the understanding to partial gear, non-circular gear, gear engagement and planet circular system, make up and in field research, lack not phenomenon intuitively of material object, study.
The utility model comprises track drafting plate, underframe, gear installing plate, motion input mechanism and planetary gear train.
Described motion input mechanism comprises back up pad, motion input gear, transmission shaft, sun wheel shaft, rocking bar, turning handle and movement output gear.Described track is drawn plate and back up pad is all fixed on underframe; Described sun wheel shaft and back up pad are fixed, and transmission shaft and back up pad are hinged; One end of described transmission shaft and one end of rocking bar are fixed, and the other end and motion input gear are fixed; The other end and the turning handle of described rocking bar are fixed; Described movement output gear is connected by bearing with sun wheel shaft, and engages with motion input gear; Described gear installing plate and the end face of movement output gear are fixed.
Described gear installing plate offers sun wheel shaft mounting hole, four bending planet carrier both arms planet circular system mounting holes, two single armed planet circular system mounting holes and four vertical bar planet carrier both arms planet circular system mounting holes; Sun wheel shaft is arranged in sun wheel shaft mounting hole.
Described planetary gear train is elliptic gear planetary gear train, wheel shaft, planet wheel spindle, axle sleeve, paintbrush mounting rod, middle elliptic gear, sun gear and planet elliptic gear in the middle of comprising.Described sun gear is connected by key with sun wheel shaft; In the middle of two, wheel shaft is separately positioned near in two vertical bar planet carrier both arms planet circular system mounting holes of sun wheel shaft mounting hole, and all fixes with gear installing plate; In the middle of two, elliptic gear is connected by bearing with wheel shaft in the middle of two respectively; Engage with elliptic gear in the middle of two respectively the both sides of described sun gear; Two planet wheel spindles arrange respectively in all the other two vertical bar planet carrier both arms planet circular system mounting holes, and all fix with gear installing plate; Two planet elliptic gears are connected by bearing with two planet wheel spindles respectively, and two planet elliptic gears engage with corresponding middle elliptic gear respectively.The end face of described two planet elliptic gears is all fixed with axle sleeve, and the afterbody of two paintbrush mounting rods is separately fixed on two axle sleeves; Two paintbrushes are separately fixed at the head of two paintbrush mounting rods, and all contact with track drafting plate.
Described track is drawn between plate, back up pad and underframe and is equipped with reinforcement.
Described planetary gear train also can be bending planet carrier both arms planet circular system, vertical bar planet carrier both arms planet circular system or single armed planet circular system; Bending planet carrier both arms planet circular system is connected at four bending planet carrier both arms planet circular system mounting hole places with gear installing plate, single armed planet circular system connects at two single armed planet circular system mounting hole places, and vertical bar planet carrier both arms planet circular system connects at four vertical bar planet carrier both arms planet circular system mounting hole places.
The beneficial effects of the utility model are:
1, gear installing plate of the present utility model can be installed bending planet carrier both arms planet circular system, vertical bar planet carrier both arms planet circular system or single armed planet circular system, by compound gear train, special gear transmission, Agricultural Machinery Teaching combination, it is a set of comprehensive planet circular system teaching aid that integrates principle displaying and specificity analysis, help student to strengthen the understanding to partial gear, non-circular gear, gear engagement and planet circular system, make up and in field research, lack not phenomenon intuitively of material object, study.
2, the utility model can be served the logical course teaching of knowing, as the knowledge point teaching of train, elliptic gear, partial gear in " mechanical principle ", the Example Teaching of complex mechanism in " analysis and synthesis of mechanism "; Also can serve Professional Course, as working trajectory demonstration and the principle Analysis of rice transplanting mechanism, vegetables seedling picking mechanism in " agricultural mechanics ".
3, part replacement of the present utility model is convenient, and integrated level is high, good reliability.
Brief description of the drawings
Fig. 1 is one-piece construction schematic diagram of the present utility model;
Fig. 2 is the schematic diagram of the utility model middle gear installing plate;
Fig. 3 is the side view of Fig. 1.
In figure: 1, track is drawn plate, 2, reinforcement, 3, underframe, 4, back up pad; 5, gear installing plate, 6, motion input gear, 7, transmission shaft; 8, sun wheel shaft, 9, rocking bar, 10, turning handle; 11, movement output gear, 12, middle wheel shaft, 13, planet wheel spindle; 14, axle sleeve, 15, paintbrush mounting rod, 16, middle elliptic gear; 17, sun gear, 18, planet elliptic gear, 19, movement locus.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1, a kind of planet circular system demonstrator, comprises track drafting plate 1, underframe 3, gear installing plate 5, motion input mechanism and planetary gear train.
Motion input mechanism comprises back up pad 4, motion input gear 6, transmission shaft 7, sun wheel shaft 8, rocking bar 9, turning handle 10 and movement output gear 11.Track is drawn plate 1 and back up pad 4 is all fixed on underframe 3, and is equipped with reinforcement 2 between track drafting plate 1, back up pad 4 and underframe 3; Sun wheel shaft 8 is fixing with back up pad 4, and transmission shaft 7 is hinged with back up pad 4; One end of one end of transmission shaft 7 and rocking bar 9 is fixed, and the other end and motion input gear 6 are fixing; The other end of rocking bar 9 and turning handle 10 are fixing; Movement output gear 11 is connected by bearing with sun wheel shaft 8, and engages with motion input gear 6; Gear installing plate 5 is fixed with the end face of movement output gear 11.
As shown in Figure 2, gear installing plate 5 offers sun wheel shaft mounting hole 5-1, four bending planet carrier both arms planet circular system mounting hole 5-2, two single armed planet circular system mounting hole 5-3 and four vertical bar planet carrier both arms planet circular system mounting hole 5-4; Sun wheel shaft 8 is arranged in sun wheel shaft mounting hole 5-1.
As shown in figs. 1 and 3, planetary gear train is elliptic gear planetary gear train, wheel shaft 12, planet wheel spindle 13, axle sleeve 14, paintbrush mounting rod 15, middle elliptic gear 16, sun gear 17 and planet elliptic gear 18 in the middle of comprising.Sun gear 17 is connected by key with sun wheel shaft 8; In the middle of two, wheel shaft 12 is separately positioned near in two vertical bar planet carrier both arms planet circular system mounting hole 5-4 of sun wheel shaft mounting hole 5-1, and all fixing with gear installing plate 5; In the middle of two, elliptic gear 16 is connected by bearing with wheel shaft 12 in the middle of two respectively; Engage with elliptic gear 16 in the middle of two respectively the both sides of sun gear 17; Two planet wheel spindles 13 arrange respectively in all the other two vertical bar planet carrier both arms planet circular system mounting hole 5-4, and all fixing with gear installing plate 5; Two planet elliptic gears 18 are connected by bearing with two planet wheel spindles 13 respectively, and two planet elliptic gears 18 engage with corresponding middle elliptic gear 16 respectively.The afterbody that the end face of two planet elliptic gears 18 is all fixed with 14, two paintbrush mounting rods 15 of axle sleeve is separately fixed on two axle sleeves 14; Two paintbrushes are separately fixed at the head of two paintbrush mounting rods 15, and all contact with track drafting plate 1, and paintbrush is drawn the movement locus 19 that marks paintbrush mounting rod 15 heads on plate 1 at track.
The principle of work of this planet circular system demonstrator:
Teacher can input power with turning handle 10, and sends transmission shaft 7 to by rocking bar 9.Transmission shaft 7 is through motion input gear 6 and movement output gear 11; power is passed to gear installing plate 5; gear installing plate 5 rotation driven gear planet circular systems rotate, be arranged on paintbrush on paintbrush mounting rod 15 can track draw on plate 1, draw planetary gear train in the movement locus of paintbrush mounting rod 15 heads.
Claims (3)
1. a planet circular system demonstrator, comprises track drafting plate, underframe, gear installing plate, motion input mechanism and planetary gear train, it is characterized in that:
Described motion input mechanism comprises back up pad, motion input gear, transmission shaft, sun wheel shaft, rocking bar, turning handle and movement output gear; Described track is drawn plate and back up pad is all fixed on underframe; Described sun wheel shaft and back up pad are fixed, and transmission shaft and back up pad are hinged; One end of described transmission shaft and one end of rocking bar are fixed, and the other end and motion input gear are fixed; The other end and the turning handle of described rocking bar are fixed; Described movement output gear is connected by bearing with sun wheel shaft, and engages with motion input gear; Described gear installing plate and the end face of movement output gear are fixed;
Described gear installing plate offers sun wheel shaft mounting hole, four bending planet carrier both arms planet circular system mounting holes, two single armed planet circular system mounting holes and four vertical bar planet carrier both arms planet circular system mounting holes; Sun wheel shaft is arranged in sun wheel shaft mounting hole;
Described planetary gear train is elliptic gear planetary gear train, wheel shaft, planet wheel spindle, axle sleeve, paintbrush mounting rod, middle elliptic gear, sun gear and planet elliptic gear in the middle of comprising; Described sun gear is connected by key with sun wheel shaft; In the middle of two, wheel shaft is separately positioned near in two vertical bar planet carrier both arms planet circular system mounting holes of sun wheel shaft mounting hole, and all fixes with gear installing plate; In the middle of two, elliptic gear is connected by bearing with wheel shaft in the middle of two respectively; Engage with elliptic gear in the middle of two respectively the both sides of described sun gear; Two planet wheel spindles arrange respectively in all the other two vertical bar planet carrier both arms planet circular system mounting holes, and all fix with gear installing plate; Two planet elliptic gears are connected by bearing with two planet wheel spindles respectively, and two planet elliptic gears engage with corresponding middle elliptic gear respectively; The end face of described two planet elliptic gears is all fixed with axle sleeve, and the afterbody of two paintbrush mounting rods is separately fixed on two axle sleeves; Two paintbrushes are separately fixed at the head of two paintbrush mounting rods, and all contact with track drafting plate.
2. a kind of planet circular system demonstrator according to claim 1, is characterized in that: described track is drawn between plate, back up pad and underframe and is equipped with reinforcement.
3. a kind of planet circular system demonstrator according to claim 1, is characterized in that: described planetary gear train also can be bending planet carrier both arms planet circular system, vertical bar planet carrier both arms planet circular system or single armed planet circular system; Bending planet carrier both arms planet circular system is connected at four bending planet carrier both arms planet circular system mounting hole places with gear installing plate, single armed planet circular system connects at two single armed planet circular system mounting hole places, and vertical bar planet carrier both arms planet circular system connects at four vertical bar planet carrier both arms planet circular system mounting hole places.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420304648.3U CN203941659U (en) | 2014-06-09 | 2014-06-09 | A kind of planet circular system demonstrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420304648.3U CN203941659U (en) | 2014-06-09 | 2014-06-09 | A kind of planet circular system demonstrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203941659U true CN203941659U (en) | 2014-11-12 |
Family
ID=51860958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420304648.3U Expired - Fee Related CN203941659U (en) | 2014-06-09 | 2014-06-09 | A kind of planet circular system demonstrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203941659U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109366479A (en) * | 2018-12-18 | 2019-02-22 | 合肥工业大学 | A kind of crank link mechanism automatically adjusting length |
-
2014
- 2014-06-09 CN CN201420304648.3U patent/CN203941659U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109366479A (en) * | 2018-12-18 | 2019-02-22 | 合肥工业大学 | A kind of crank link mechanism automatically adjusting length |
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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: 20141112 Termination date: 20150609 |
|
| EXPY | Termination of patent right or utility model |