CN204732058U - Planetary gear gear teaching aid - Google Patents
Planetary gear gear teaching aid Download PDFInfo
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- CN204732058U CN204732058U CN201520317985.0U CN201520317985U CN204732058U CN 204732058 U CN204732058 U CN 204732058U CN 201520317985 U CN201520317985 U CN 201520317985U CN 204732058 U CN204732058 U CN 204732058U
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- gear
- planetary gear
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- planetary
- teaching aid
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Abstract
The utility model relates to a kind of planetary gear gear teaching aid, comprise stand, be installed on the planetary gear gear of stand, the operating assembly being installed on planetary gear gear and index dial, planetary gear gear comprises: front and back sun gear, is rotatably installed on stand; Front ring gear, is sheathed on front and back sun gear; Front planetary gear, is engaged in front and back sun gear and front ring gear simultaneously; Rear gear ring, is sheathed on front and back sun gear; Rear planetary gear, is engaged in front and back sun gear and rear gear ring simultaneously; Front planet carrier, is connected to front planetary gear and rear gear ring; Rear planet carrier, is connected to rear planetary gear; Operating assembly is fixed in planetary gear gear; Index dial is fixedly installed in stand.Above-mentioned planetary gear gear teaching aid, operator, by the gear in operating assembly control lines star-wheel gear and gear ring, changes the motion state of gear and gear ring; Index dial can monitor the change of output wheel rotating speed, rotation direction in real time, reaches good results of learning.
Description
Technical field
The utility model relates to teaching aid field, particularly relates to a kind of planetary gear gear teaching aid.
Background technology
Mechanical principle is an important basic technology course introducing ABC, basic theories and the basic skills that in all kinds of engineering goods, common mechanism designs, and is mechanical and a compulsory course of correlation engineering class specialty.And cyclic train is difficult point in mechanical principle teaching and emphasis, needs the grasp that student is good.
And at present, teacher is in cyclic train, in the teaching process of particularly planet circular system, usually by multimedia means, adopt animation and diagram explanation, student relies on imagination to be understood, and some students can not understand the principle of transmission completely by these abstract means, therefore cannot ensure good teaching efficiency.
Utility model content
Based on this, be necessary abstract for planet circular system teaching and be difficult to the problem of intuitivism apprehension, one specifically and intuitively planetary gear gear teaching aid is provided.
A kind of planetary gear gear teaching aid, operating assembly and the index dial of the described planetary gear gear that comprises stand, is installed on the planetary gear gear of described stand, is installed on, described planetary gear gear comprises:
Front and back sun gear, is rotatably installed on described stand;
Front ring gear, is sheathed on described front and back sun gear;
Front planetary gear, is engaged in described front and back sun gear and described front ring gear simultaneously, with described front and back sun gear and described front ring gear synchronous axial system;
Rear gear ring, is sheathed on described front and back sun gear, and described front ring gear is arranged at sun gear bearing of trend interval, described front and back;
Rear planetary gear, is engaged in described front and back sun gear and described rear gear ring simultaneously, with described front and back sun gear and described rear gear ring synchronous axial system; And
Front planet carrier, is connected to described front planetary gear and described rear gear ring;
Rear planet carrier, is connected to described rear planetary gear;
Described operating assembly is fixed in described planetary gear gear, for controlling the rotation of described front and back sun gear, front ring gear and described rear planetary gear;
Described index dial is fixedly installed in described stand, and arranges with described rear gear ring is concentric, as the rotation reference of described rear gear ring.
Above-mentioned planetary gear gear teaching aid, planetary gear gear is installed on stand, and operator, by the gear in operating assembly control lines star-wheel gear and gear ring, changes the motion state of gear and gear ring, and changes output wheel and wheel for inputting; Index dial can monitor the change of output wheel rotating speed, rotation direction in real time, makes student can be familiar with the structure of planet circular system intuitively, has more deep cognition, reach good results of learning to its transmission principle.
Wherein in an embodiment, described operating assembly comprise be fixed in described front and back sun gear front and back sun gear handle, be fixed in the front ring gear handle of described front ring gear and be fixed in the rear planet carrier handle of described rear planet carrier.
Wherein in an embodiment, described index dial is disc, and described index dial is circumferentially provided with scale, to form the rotation reference of described planetary gear.
Wherein in an embodiment, the diameter of described index dial is greater than the diameter of described rear gear ring.
Wherein in an embodiment, described stand comprises index dial bracing frame, and described index dial through described front and back planetary gear, and is fixed by described index dial bracing frame.
Wherein in an embodiment, described stand comprises the first bracing frame and the second bracing frame, and described first bracing frame and described second bracing frame interval are arranged, and support the two ends of described front and back sun gear respectively.
Wherein in an embodiment, described planetary gear gear teaching aid also comprises output shaft, and described output shaft is fixed in described rear gear ring and follows described rear ring gear against rotation.
Wherein in an embodiment, described front and back sun gear is driving wheel, and described front planetary gear is engaged wheel; Or described front ring gear is driving wheel, described front planetary gear is engaged wheel; Or described rear planetary gear is driving wheel, described rear gear ring is engaged wheel.
Wherein in an embodiment, described rear gear ring is driving wheel, and described rear planetary gear is engaged wheel.
Accompanying drawing explanation
Fig. 1 is the structural representation of the planetary gear gear teaching aid of an embodiment.
Embodiment
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is described more fully.Preferred embodiment of the present utility model is given in accompanying drawing.But the utility model can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present utility model more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model understand usually.The object of the term used in instructions of the present utility model herein just in order to describe specific embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
As shown in Figure 1, the planetary gear gear teaching aid 100 of an embodiment, comprises stand 20 and is installed on the planetary gear gear 40 of described stand 20, the operating assembly (figure does not mark) being installed on planetary gear gear 40 and index dial 80.Planetary gear gear 40 comprises front and back sun gear 41, front ring gear 42, front planetary gear 43, rear gear ring 44, rear planetary gear 45 and front planet carrier 46.
Particularly, front and back sun gear 41 in column, and is rotatably installed on stand 20.
Front ring gear 42 is sheathed on front and back sun gear 41, and this front ring gear 42 is ring gear.
Front planetary gear 43 is engaged in front and back sun gear 41 and front ring gear 42 simultaneously, with front and back sun gear 41 and front ring gear 42 synchronous axial system.Particularly, the quantity of front planetary gear 43 is one, in planetary gear gear 40 operational process, rotates along front and back sun gear 41 circumference.
Rear gear ring 44 is sheathed on front and back sun gear 41, and front ring gear 42 is arranged at front and back sun gear 41 bearing of trend interval, and this rear gear ring 44 is ring gear.
Rear planetary gear 45 is engaged in front and back sun gear 41 and rear gear ring 44 simultaneously, with front and back sun gear 41 and rear gear ring 44 synchronous axial system.Particularly, the quantity of rear planetary gear 45 is one, in planetary gear gear 40 operational process, and rotates along front and back sun gear 41 circumference.
Front planet carrier 46 is connected to front planetary gear 43 and rear gear ring 44, to make front planetary gear 43 and rear gear ring 44 synchronous axial system.
Rear planet carrier 47 is connected to rear planetary gear 45, with attended operation assembly.
Operating assembly is fixed in planetary gear gear 40, for controlling the rotation of front and back sun gear 41, front ring gear 42 and rear planetary gear 45.
Particularly, operating assembly comprise be fixed in front and back sun gear 41 front and back sun gear handle 62, be fixed in the front ring gear handle 64 of front ring gear 42 and be fixed in the rear planet carrier handle 66 of rear planet carrier 47.So, the operation of control lines star-wheel gear 40 is got final product by operating assembly, change rotating speed and the rotation direction of driving wheel and engaged wheel, this planetary gear gear 40 is made to have different drive states, fully meet teaching request, and without the need to the direct handsetting gear of operator, make demonstration more convenient to operate.
Index dial 80 is fixedly installed in stand 20, to arrange, as the rotation reference of rear gear ring 44 through front and back sun gear 41 with rear gear ring 44 is concentric.
Particularly, index dial 80 is in disc, and the diameter of index dial 80 is greater than the diameter of rear gear ring 44, and index dial 80 is circumferentially provided with scale, to form the rotation reference of described rear gear ring 44.By this index dial 80, the angle that after observable, gear ring 44 rotates within a certain period of time, thus the rotation direction and the velocity of rotation that draw rear gear ring 44, the velocity of rotation of contrast driving wheel, namely understands gear ratio.Be appreciated that in some other embodiment, index dial 80 can not be set.In addition, the diameter of index dial 80 being greater than the diameter of rear gear ring 44, when being the edge in order to scale being arranged on index dial 80, can scale being seen, convenient observation.
Planetary gear gear teaching aid 100 also comprises output shaft 48, and output shaft 48 is fixed in rear gear ring 44 and follows rear gear ring 44 and rotates, and carries out Power output to connect external agency.
Stand 20 comprises the first bracing frame 22 and the second bracing frame 24.First bracing frame 22 and the second bracing frame 24 interval are arranged, the two ends of sun gear 41 before and after supporting respectively.
Stand also comprises index dial bracing frame 26 to support index dial 80.Index dial 80 through front and back sun gear 41, and is fixed by this index dial bracing frame 26.Be appreciated that, in some other embodiment, the stationary installation of planetary gear gear 40 is not limited thereto.
Above-mentioned planetary gear gear 40, has three kinds of forward-speed drive transmission modes.
Wherein a kind of kind of drive is:
Sun gear handle 62 before and after rotating, front and back sun gear 41 rotates as driving wheel, drives front planetary gear 43 and rear planetary gear 45 to rotate, and the rear gear ring 44 that rear planetary gear 45 and then drive are engaged with it rotates, thus drives output shaft 48 to rotate.
The another kind of kind of drive is:
Rotate front ring gear handle 64, front ring gear 42 rotates as driving wheel, and before driving, planetary gear 43 rotates, and then before and after driving, sun gear 41 rotates.After front and back sun gear 41 rotates and drives, planetary gear 45, rear gear ring 44 rotate successively, thus drive output shaft 48 to rotate.
Another kind of drive is:
Planet carrier handle 66 after rotating, after driving, planetary gear 45 rotates as driving wheel, and then after driving, gear ring 44 rotates, thus drives output shaft 48 to rotate.
Planetary gear gear 40 also comprises a kind of retrogressing shelves kind of drive.
Rotary output axis 48, can drive rear gear ring 44 to rotate, and then after driving, planetary gear 45 and front planetary gear 43 rotate, thus before and after driving, planetary gear 45 rotates.
Above-mentioned planetary gear gear teaching aid 100, planetary gear gear 40 is installed on stand 20, and operator, by the gear in operating assembly control lines star-wheel gear 40 and gear ring, changes the motion state of gear and gear ring, and changes output wheel and wheel for inputting; Index dial 80 can monitor the change of output wheel rotating speed, rotation direction in real time, makes student can be familiar with the structure of planet circular system intuitively, has more deep cognition, reach good results of learning to its transmission principle.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this instructions is recorded.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (9)
1. a planetary gear gear teaching aid, is characterized in that, operating assembly and the index dial of the described planetary gear gear that comprises stand, is installed on the planetary gear gear of described stand, is installed on, and described planetary gear gear comprises:
Front and back sun gear, is rotatably installed on described stand;
Front ring gear, is sheathed on described front and back sun gear;
Front planetary gear, is engaged in described front and back sun gear and described front ring gear simultaneously, with described front and back sun gear and described front ring gear synchronous axial system;
Rear gear ring, is sheathed on described front and back sun gear, and described front ring gear is arranged at sun gear bearing of trend interval, described front and back;
Rear planetary gear, is engaged in described front and back sun gear and described rear gear ring simultaneously, with described front and back sun gear and described rear gear ring synchronous axial system; And
Front planet carrier, is connected to described front planetary gear and described rear gear ring;
Rear planet carrier, is connected to described rear planetary gear;
Described operating assembly is fixed in described planetary gear gear, for controlling the rotation of described front and back sun gear, front ring gear and described rear planetary gear;
Described index dial is fixedly installed in described stand, and arranges with described rear gear ring is concentric, as the rotation reference of described rear gear ring.
2. planetary gear gear teaching aid according to claim 1, it is characterized in that, described operating assembly comprise be fixed in described front and back sun gear front and back sun gear handle, be fixed in the front ring gear handle of described front ring gear and be fixed in the rear planet carrier handle of described rear planet carrier.
3. planetary gear gear teaching aid according to claim 1, it is characterized in that, described index dial is disc, and described index dial is circumferentially provided with scale, to form the rotation reference of described planetary gear.
4. planetary gear gear teaching aid according to claim 3, is characterized in that, the diameter of described index dial is greater than the diameter of described rear gear ring.
5. planetary gear gear teaching aid according to claim 3, it is characterized in that, described stand comprises index dial bracing frame, and described index dial through described front and back planetary gear, and is fixed by described index dial bracing frame.
6. planetary gear gear teaching aid according to claim 1, is characterized in that, described stand comprises the first bracing frame and the second bracing frame, and described first bracing frame and described second bracing frame interval are arranged, and support the two ends of described front and back sun gear respectively.
7. planetary gear gear teaching aid according to claim 1, is characterized in that, described planetary gear gear teaching aid also comprises output shaft, and described output shaft is fixed in described rear gear ring and follows described rear ring gear against rotation.
8. planetary gear gear teaching aid according to claim 1, is characterized in that, described front and back sun gear is driving wheel, and described front planetary gear is engaged wheel; Or described front ring gear is driving wheel, described front planetary gear is engaged wheel; Or described rear planetary gear is driving wheel, described rear gear ring is engaged wheel.
9. planetary gear gear teaching aid according to claim 1, is characterized in that, described rear gear ring is driving wheel, and described rear planetary gear is engaged wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520317985.0U CN204732058U (en) | 2015-05-15 | 2015-05-15 | Planetary gear gear teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520317985.0U CN204732058U (en) | 2015-05-15 | 2015-05-15 | Planetary gear gear teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204732058U true CN204732058U (en) | 2015-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520317985.0U Expired - Fee Related CN204732058U (en) | 2015-05-15 | 2015-05-15 | Planetary gear gear teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204732058U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106379369A (en) * | 2016-11-29 | 2017-02-08 | 杭州市萧山区高级技工学校 | Recycling system for brake energy of train compartment |
| CN112324871A (en) * | 2020-11-23 | 2021-02-05 | 薛老师自动变速器技术(北京)有限公司 | Ravigna planetary gear mechanism and two rows of single-stage planetary gear series connection demonstration teaching aids |
-
2015
- 2015-05-15 CN CN201520317985.0U patent/CN204732058U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106379369A (en) * | 2016-11-29 | 2017-02-08 | 杭州市萧山区高级技工学校 | Recycling system for brake energy of train compartment |
| CN106379369B (en) * | 2016-11-29 | 2020-07-03 | 杭州市萧山区高级技工学校 | Brake energy recovery system of train carriage |
| CN112324871A (en) * | 2020-11-23 | 2021-02-05 | 薛老师自动变速器技术(北京)有限公司 | Ravigna planetary gear mechanism and two rows of single-stage planetary gear series connection demonstration teaching aids |
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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: 20151028 Termination date: 20210515 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |