CN104766531B - Planet gear type material feed demonstrates mechanism - Google Patents
Planet gear type material feed demonstrates mechanism Download PDFInfo
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- CN104766531B CN104766531B CN201510178671.1A CN201510178671A CN104766531B CN 104766531 B CN104766531 B CN 104766531B CN 201510178671 A CN201510178671 A CN 201510178671A CN 104766531 B CN104766531 B CN 104766531B
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- planet
- gear
- planet carrier
- main shaft
- crossbeam
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Transmission Devices (AREA)
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Abstract
Mechanism is demonstrated the present invention relates to a kind of planet gear type material feed, including bottom plate, mounting bracket and switch controlling device are fixed on bottom plate, big internal gear is fixed on the outside of mounting bracket, the inside of big internal gear is provided with small ring gear, the axial location of small ring gear is provided with main shaft, one end of main shaft is provided with planet carrier, planetary gear is installed in planet carrier by planet wheel spindle, crossbeam axle is provided with planetary gear, the two ends of crossbeam are arranged on crossbeam axle, material guide rail is fixed on the top of mounting bracket, material can be moved in parallel under push pedal effect along material guide rail, the other end of main shaft is arranged in fulcrum bearing, belt pulley is arranged on main shaft, the output shaft of spindle drive motor is connected with belt pulley, belt is installed over pulleys carried, one end of crank is connected with main shaft, the other end is connected with handle, riser is arranged on the side of bottom plate, photoelectron emission device is fixed on riser, the demonstration mechanism can be applied to all kinds of institution of higher learning's classroom instructions and laboratory demonstration.
Description
Technical field
The present invention relates to a kind of teaching aid for simulating planetary gear train motion, specially planet gear type material feed demonstration machine
Structure.
Background technology
Teaching aid, for the instrument in terms of the model of explaining illustration something or other, mechanism, principle, is to propagate section when being teaching
Material object for the purpose of skill, education people, can make specific knowledge, visualization.In Teaching in University,《Theory of mechanics》、《Machinery is set
Meter》With《High theory of mechanisms》It is the core curriculum of mechanical major Deng course, planetary gear train knowledge point is related in such course
Explanation.
The species of planetary gear train is various, with the difference of number of gear teeth, causes the difference of gear train gearratio, can demonstrate
Different movement effects.Under existing teaching condition, even if teacher is with software analog simulation, student is also difficult to receive, managed
Solve the knowledge point.In traditional classroom teaching, instructional mode is excessively single, attraction is small, theoretical property is strong；During software emulation,
It is only capable of demonstrating a certain action, demonstrating effect is poor.
In the prior art, planetary gear train is used for transmission device, and complicated, and volume is larger；Applied to teaching aid neck
The planetary gear train in domain, structure is excessively single, the presented example with being combined under actual working state is lacked again, it is impossible to be intuitively familiar with
With the workflow of planetary gear train device, and demonstrating effect can only rely on eye observation, lack data and image
Intuitive and science.
The content of the invention
The present invention provides a kind of by way of Electromechanical Control, the cooperation of free switching difference gear train, realizes crossbeam
The demonstration of " △ " movement locus and two kinds of motion states of " " movement locus, and the movement locus of crossbeam is passed by wireless signal
To computer, trace image is produced on computers, realizes the demonstration teaching aid that track is intuitively shown under two kinds of motion states.
The present invention is achieved by the following technical programs：Planet gear type material feed demonstrate mechanism, including bottom plate, it is small in
Gear, nut bore, big internal gear, material guide rail, crossbeam, push pedal, planetary gear, planet wheel spindle, riser, photoelectron emission device, thing
Material, planet carrier, main shaft, mounting bracket, switch controlling device, handle, crank, fulcrum bearing, belt pulley, belt, disc nut, main shaft drive
Dynamic motor, motor bearing seat, cushion, crossbeam axle, planet carrier top, planet carrier bottom, trip bolt, baffle plate, push pedal groove, collection
Into circuit board, control chip, tabletting and briquetting, mounting bracket and switch controlling device are fixed on bottom plate, and big internal gear is fixed on
The outside of mounting bracket, the inside of big internal gear is provided with small ring gear, and the axial location of small ring gear is provided with main shaft, main shaft
One end is provided with planet carrier, and planetary gear is installed in planet carrier by planet wheel spindle, and crossbeam axle is provided with planetary gear, crossbeam
Two ends are arranged on crossbeam axle, push pedal are provided with crossbeam, material guide rail is fixed on the top of mounting bracket, and material can be made in push pedal
Moved in parallel with lower along material guide rail, fulcrum bearing and motor bearing seat are fixed on bottom plate, and positioned at the back of mounting bracket, it is main
The other end of axle is arranged in fulcrum bearing, and belt pulley is arranged on main shaft, the spindle drive motor on motor bearing seat
Output shaft be connected with belt pulley, belt install over pulleys carried, one end of crank is connected with main shaft, and the other end is connected with hand
Handle, riser is arranged on the side of bottom plate, and photoelectron emission device is fixed on riser, described riser and the peace of photoelectron emission device
Cushion is provided with dress layer, it is ensured that the accurate output of crossbeam movement locus, motion of the photoelectron emission device to transmit crossbeam
Track.
Planet gear type material feed demonstration mechanism as described above, described photoelectron emission device include surface-mounted integrated circuit,
Tabletting, briquetting and control chip, surface-mounted integrated circuit are arranged on riser, and tabletting and briquetting are arranged on surface-mounted integrated circuit, tabletting
Positioned at the top of briquetting, pulse signal just can be produced when tabletting is contacted with briquetting, this pulse signal is by surface-mounted integrated circuit
Control chip send computer in the form of wireless signal, so as to realize the aobvious in real time of movement locus under crossbeam different conditions
Show.
Nut bore is provided with planet gear type material feed demonstration mechanism as described above, described small ring gear, is installed
Disc nut is provided with the inside of frame, the nut bore in small ring gear and disc nut are coordinated, change the cooperation of gear train, then is finely tuned
Planet carrier length, realizes the switching of two kinds of motion states.
Push pedal groove and gear are provided with planet gear type material feed demonstration mechanism as described above, described material guide rail
Plate, the width of push pedal groove and the width of push pedal are equal, and baffle plate is used for preventing landing of the material in transportation.
Planet gear type material feed demonstration mechanism as described above, described planet carrier includes planet carrier top, fastening spiral shell
Nail and planet carrier bottom, planet carrier bottom can be slided in planet carrier top, after planet carrier length is determined, be fixed with trip bolt
Position.
Planet gear type material feed as described above demonstrates the installation method of mechanism, described planetary gear and big internal gear or
When small ring gear is engaged, it is ensured that the angle of planet carrier and vertical direction, i.e. pressure angle α is equal, and 20 ° of the ＜ α ＜ of pressure angle 0, protect
Demonstrate,prove the even running of crossbeam.
Planet gear type material feed as described above demonstrates the application method of mechanism, described handle or spindle drive motor
The demonstration mechanism all can be individually set to work.
Beneficial effects of the present invention：Due to using above constructional device, the demonstration mechanism can be made by switching different gears
The cooperation of group, realizes the demonstration of crossbeam " △ " movement locus and two kinds of motion states of " " movement locus, and by the motion of crossbeam
Track is transmitted to computer by wireless signal, and trace image is produced on computers, realizes that track is intuitively shown under two kinds of motion states；
By setting material transportation, with reference to the presented example under actual working state, intuitively it has been familiar with planetary gear train device
Workflow, has deepened understanding and grasp of the student to planetary gear train knowledge point；In the market is made a general survey of, making for such teaching aid is had no
With, especially by the cooperation of the mode, switching gear train of Electromechanical Control, the demonstrations of two kinds of motion states is realized, and will motion
The demonstration teaching aid that track is transmitted to computer by wireless signal even more never refers to, the present situation and demand given lessons with reference to all kinds of colleges and universities,
Extensive market, product consumption is big, with extensively application prospect.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is Fig. 1 A to structural representation；
Fig. 3 is the small ring gear and planetary gear engaging structure schematic diagram of " △ " movement locus；
Fig. 4 is the big internal gear and planetary gear engaging structure schematic diagram of " " movement locus；
Fig. 5 is Fig. 1 B to structural representation；
Fig. 6 is the planet carrier structure schematic diagram of the present invention；
Fig. 7 is the material guide rail structure schematic diagram of the present invention；
Fig. 8 is the photoelectron emission device structural representation of the present invention；
Fig. 9 is the design sketch of " △ " movement locus of the invention；
Figure 10 is the design sketch of " " movement locus of the invention.
Reference：1. the crossbeam 7. of 5. material guide rail of bottom plate 2. small ring gear, 3. nut bore, 4. big internal gear 6. is pushed away
The main shaft 15. of 13. planet carrier of plate 8. planetary gear, 9. planet wheel spindle, 10. riser, 11. photoelectron emission device, 12. material 14.
The disc nut of 21. belt of mounting bracket 16. switch controlling device, 17. handle, 18. crank, 19. fulcrum bearing, 20. belt pulley 22.
23. the planet carrier bottom of 27. planet carrier top of the motor bearing of spindle drive motor 24. seat 25. cushion, 26. crossbeam axle 28.
29. the briquetting of 34. tabletting of trip bolt 30. baffle plate, 31. push pedal groove, 32. surface-mounted integrated circuit, 33. control chip 35..
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described.
Embodiment 1：As shown in Fig. 1,2,3,5,6,7,8 and Fig. 9, planet gear type material feed demonstration mechanism, including bottom plate
1st, small ring gear 2, nut bore 3, big internal gear 4, material guide rail 5, crossbeam 6, push pedal 7, planetary gear 8, planet wheel spindle 9, riser 10,
Photoelectron emission device 11, material 12, planet carrier 13, main shaft 14, mounting bracket 15, switch controlling device 16, handle 17, crank 18,
Fulcrum bearing 19, belt pulley 20, belt 21, disc nut 22, spindle drive motor 23, motor bearing seat 24, cushion 25, crossbeam axle
26th, planet carrier top 27, planet carrier bottom 28, trip bolt 29, baffle plate 30, push pedal groove 31, surface-mounted integrated circuit 32, control chip
33rd, tabletting 34 and briquetting 35, mounting bracket 15 and switch controlling device 16 are fixed on bottom plate 1, and big internal gear 4 is fixed on mounting bracket
15 outside, the inside of big internal gear 4 is provided with small ring gear 2, and the axial location of small ring gear 2 is provided with main shaft 14, main shaft
14 one end is provided with planet carrier 13, and planetary gear 8 is installed in planet carrier 13 by planet wheel spindle 9, and horizontal stroke is provided with planetary gear 8
Beam axle 26, the two ends of crossbeam 6 are arranged on crossbeam axle 26, push pedal 7 are provided with crossbeam 6, material guide rail 5 is fixed on mounting bracket 15
Top, material 12 can push pedal 7 effect under be moved in parallel along material guide rail 5, fulcrum bearing 19 and motor bearing seat 24 fixation
On bottom plate 1, the other end of main shaft 14 is arranged in fulcrum bearing 19, and belt pulley 20 is arranged on main shaft 14, installed in motor branch
The output shaft of spindle drive motor 23 in bearing 24 is connected with belt pulley 20, and belt 21 is arranged on belt pulley 20, crank 18
One end be connected with main shaft 14, the other end is connected with handle 17, and riser 10 is arranged on the side of bottom plate 1, photoelectron emission device 11
It is fixed on riser 10, is provided with cushion 25 in described riser 10 and the mounting layer of photoelectron emission device 11, it is ensured that crossbeam 6
The accurate output of movement locus, movement locus of the photoelectron emission device 11 to transmit crossbeam 6.Set the modulus of small ring gear 2
M1=3, tooth number Z 1=60, modulus M2=M1=3, Z2=20 of planetary gear 8, the length L1 of planet carrier 13=15mm, now small ring gear 2 with
Gearratio i1=Z1/Z2=3 of planetary gear 8, during installation, it is ensured that two planet carriers 13 are equal with the pressure angle α of vertical direction, and α=
10 °, by engaging for small ring gear 2 and planetary gear 8, the demonstration of " △ " movement locus is completed, crossbeam 6 makes tabletting 34 and briquetting 35
Contact produces pulse signal, and this pulse signal is transmitted by the control chip 33 on surface-mounted integrated circuit 32 in the form of wireless signal
To computer, intuitively design sketch is obtained, so as to realize the real-time display of movement locus under the different conditions of crossbeam 6.Such a device is fitted
It is smaller for volume of material, push the shorter occasion of stroke.
Embodiment 2：As shown in Fig. 1,2,4 and Figure 10, planet gear type material feed demonstration mechanism, described small ring gear 2
On be provided with nut bore 3, the inner side of mounting bracket 15 is provided with disc nut 22, by the nut bore 3 in small ring gear 2 and disc nut 22
Coordinate, the cooperation of first gear group 2,8 is changed to the cooperation of second gear group 4,8, then finely tune the length of planet carrier 13, just by " △ "
The demonstration of movement locus switches to the demonstration of " " movement locus.Modulus M3=M2=M1=3 of setting big internal gear 4, tooth number Z 3=
80, modulus M2=M1=3, Z2=20 of planetary gear 8, the length L2 of planet carrier 13=10mm, now big internal gear 4 and planetary gear 8 biography
Move than i2=Z3/Z2=4, during installation, it is ensured that two planet carriers 13 are equal with the pressure angle α of vertical direction, and α=10 °, pass through imperial palace
Gear 4 is engaged with planetary gear 8, completes the demonstration of " " movement locus, and by the movement locus of crossbeam 6 by photoelectron emission device
11 reach computer end, obtain intuitively design sketch.Such a device is larger suitable for volume of material, pushes the longer occasion of stroke.
By setting the transport of material 12, with reference to the presented example under actual working state, intuitively it has been familiar with planetary gear train dress
The workflow put, has deepened understanding and grasp of the student to planetary gear train knowledge point；The present situation given lessons with reference to all kinds of colleges and universities and
Demand, extensive market, product consumption is big, with extensively application prospect.
Claims (7)
1. planet gear type material feed demonstrates mechanism, including bottom plate（1）, small ring gear（2）, nut bore（3）, big internal gear（4）、
Material guide rail（5）, crossbeam（6）, push pedal（7）, planetary gear（8）, planet wheel spindle（9）, riser（10）, photoelectron emission device（11）、
Material（12）, planet carrier（13）, main shaft（14）, mounting bracket（15）, switch controlling device（16）, handle（17）, crank（18）, branch
Bearing（19）, belt pulley（20）, belt（21）, disc nut（22）, spindle drive motor（23）, motor bearing seat（24）, elasticity
Pad（25）, crossbeam axle（26）, planet carrier top（27）, planet carrier bottom（28）, trip bolt（29）, baffle plate（30）, push pedal groove
（31）, surface-mounted integrated circuit（32）, control chip（33）, tabletting（34）And briquetting（35）, it is characterised in that：Mounting bracket（15）With open
Close control device（16）It is fixed on bottom plate（1）On, big internal gear（4）It is fixed on mounting bracket（15）Outside, big internal gear（4）'s
Inside is provided with small ring gear（2）, small ring gear（2）Axial location main shaft is installed（14）, main shaft（14）One end install
There is planet carrier（13）, planetary gear（8）Pass through planet wheel spindle（9）Planet carrier is installed（13）On, planetary gear（8）On be provided with crossbeam
Axle（26）, crossbeam（6）Two ends be arranged on crossbeam axle（26）On, crossbeam（6）On be provided with push pedal（7）, material guide rail（5）It is fixed
In mounting bracket（15）Top, material（12）Can be in push pedal（7）Along material guide rail under effect（5）Move in parallel, fulcrum bearing
（19）With motor bearing seat（24）It is fixed on bottom plate（1）On, and positioned at mounting bracket（15）Back, main shaft（14）The other end peace
Mounted in fulcrum bearing（19）On, belt pulley（20）Installed in main shaft（14）On, installed in motor bearing seat（24）On main shaft drives
Motor（23）Output shaft and belt pulley（20）It is connected, belt（21）Installed in belt pulley（20）On, crank（18）One end with
Main shaft（14）It is connected, the other end is connected with handle（17）, riser（10）Installed in bottom plate（1）Side, photoelectron emission device
（11）It is fixed on riser（10）On, described riser（10）And photoelectron emission device（11）Mounting layer in be provided with cushion
（25）, photoelectron emission device（11）To transmit crossbeam（6）Movement locus.
2. planet gear type material feed according to claim 1 demonstrates mechanism, it is further characterized in that：Described photoemission
Device（11）Including surface-mounted integrated circuit（32）, tabletting（34）, briquetting（35）And control chip（33）, surface-mounted integrated circuit（32）Install
In riser（10）On, tabletting（34）And briquetting（35）Installed in surface-mounted integrated circuit（32）On, tabletting（34）Positioned at briquetting（35）'s
Top, works as tabletting（34）With briquetting（35）Just pulse signal can be produced during contact, this pulse signal passes through surface-mounted integrated circuit（32）
On control chip（33）Computer is sent in the form of wireless signal, so as to realize crossbeam（6）Movement locus under different conditions
Real-time display.
3. planet gear type material feed according to claim 1 demonstrates mechanism, it is further characterized in that：Described small ring gear
（2）On be provided with nut bore（3）, mounting bracket（15）Inner side be provided with disc nut（22）, small ring gear（2）In nut bore
（3）With disc nut（22）Coordinate, just by small ring gear（2）With planetary gear（8）Cooperation be changed to big internal gear（4）With planetary gear
（8）Cooperation, then finely tune planet carrier（13）Length, realizes the switching of two kinds of motion states.
4. planet gear type material feed according to claim 1 demonstrates mechanism, it is further characterized in that：Described material guide rail
（5）On be provided with push pedal groove（31）And baffle plate（30）, baffle plate（30）For preventing material（12）Landing in transportation.
5. planet gear type material feed according to claim 1 demonstrates mechanism, it is further characterized in that：Described planet carrier
（13）Including planet carrier top（27）, trip bolt（29）With planet carrier bottom（28）, planet carrier bottom（28）Can planet carrier
Top（27）It is middle to slide, planet carrier（13）After length is determined, trip bolt is used（29）Fixed position.
6. a kind of planet gear type material feed demonstrates the application method of mechanism, using described in claim 1-5 any claims
Demonstration mechanism, be further characterized in that：Described planetary gear（8）With big internal gear（4）Or small ring gear（2）During engagement, planet
Frame（13）With the angle of vertical direction, i.e. pressure angle α is equal, and 20 ° of the ＜ α ＜ of pressure angle 0.
7. a kind of planet gear type material feed demonstrates the application method of mechanism, using described in claim 1-5 any claims
Demonstration mechanism, be further characterized in that：Described handle（17）Or spindle drive motor（23）It all can individually make the demonstration mechanism
Work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510178671.1A CN104766531B (en) | 2015-04-16 | 2015-04-16 | Planet gear type material feed demonstrates mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510178671.1A CN104766531B (en) | 2015-04-16 | 2015-04-16 | Planet gear type material feed demonstrates mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104766531A CN104766531A (en) | 2015-07-08 |
| CN104766531B true CN104766531B (en) | 2017-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510178671.1A Expired - Fee Related CN104766531B (en) | 2015-04-16 | 2015-04-16 | Planet gear type material feed demonstrates mechanism |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105883441A (en) * | 2016-01-07 | 2016-08-24 | 襄阳忠良工程机械有限责任公司 | Rotating plate type transition conveying machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB738502A (en) * | 1952-10-29 | 1955-10-12 | Rolls Royce | Improvements in or relating to demonstrating apparatus |
| CN101650183A (en) * | 2008-08-15 | 2010-02-17 | 叶大卫 | Vertical planet carrier wheel southward pointing cart |
| KR200459251Y1 (en) * | 2010-03-15 | 2012-03-29 | 주식회사 대성지이-쓰리 | Education equipment of brake equipment for vehicle |
| CN203746298U (en) * | 2014-03-05 | 2014-07-30 | 李辉 | Hypocycloid demonstration teaching aid of using planetary gear train |
| CN204087675U (en) * | 2014-08-08 | 2015-01-07 | 西安工程大学 | Train drive characteristic demo system |
| CN204087678U (en) * | 2014-09-29 | 2015-01-07 | 湖南工业大学 | A kind of demonstration teaching aid based on Gears-Connecting Rod Mechanism |
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2015
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| CN104766531A (en) | 2015-07-08 |
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