CN104575240B - Mechanical drive mode multifunction teaching platform - Google Patents
Mechanical drive mode multifunction teaching platform Download PDFInfo
- Publication number
- CN104575240B CN104575240B CN201510028820.6A CN201510028820A CN104575240B CN 104575240 B CN104575240 B CN 104575240B CN 201510028820 A CN201510028820 A CN 201510028820A CN 104575240 B CN104575240 B CN 104575240B
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- CN
- China
- Prior art keywords
- generator
- module
- efficiency
- transmission device
- driving source
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Classifications
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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
Abstract
The present invention relates to a kind of mechanical drive mode multifunction teaching platform, driving source, transmission device, generator including mounting platform and on mounting platform, electrical load, efficiency display module, the driving source drives the generator to rotate and generated electricity by transmission device, the generator is connected with the electrical load, and the efficiency display module shows transmission efficiency and the power output of generator.The present invention uses modularized design, several big major experimentals such as machinery driving efficiency contrast experiment, V belt translation contrived experiment, Chain conveyer contrived experiment are merged, the teaching displaying that can be not only used for classroom instruction also can be as experiment porch, and innovate and incorporated sports thought, so that machine driving classroom becomes vivid, allow student intuitively to experience the contrast of mechanical efficiency, deepen understanding and application to knowledge of textbook.
Description
Technical field
The present invention relates to a kind of mechanical drive mode multifunction teaching platform.
Background technology
Mechanical《Theory of mechanics》With《Machine Design》And non-mechanism《Fundamentals of Machine Design》In course, machinery
Transmission is used as most content, its content is closer to produce reality, and many knowledge points for being not in contact with before
Indigestion for student, this is accomplished by being equipped with corresponding experiment and production practices in teaching process, help Students ' Learning with
Understand.But existing machinery is driven teaching equipment unitary function, the form of expression is uninteresting, lacks innovative, teaching efficiency is limited, and
The advanced teaching idea for not adapting to teach through lively activities etc..
The content of the invention
The technical problem to be solved in the present invention is that can carry out efficiency comparative's displaying to different transmission modules there is provided one kind
Mechanical drive mode multifunction teaching and innovation intention platform.
The technical solution adopted for the present invention to solve the technical problems is：Construct a kind of mechanical drive mode multifunction teaching
Platform, including mounting platform and driving source on mounting platform, transmission device, generator, electrical load, efficiency are shown
Module, the driving source drives the generator to rotate and generated electricity by transmission device, and the generator connects with the electrical load
Connect, the efficiency display module shows transmission efficiency and the power output of generator.
In such scheme, the electrical load is variable resistor.
In such scheme, the efficiency display module includes charactron and LED progress bar.
In such scheme, the transmission device includes V belt translation module or Chain conveyer module.
In such scheme, two belt wheels of the V belt translation module are separately fixed on two mobile support saddles, the movement
Bearing can be moved horizontally along slide unit.
In such scheme, two sprocket wheels of the Chain conveyer module are separately fixed on two mobile support saddles, the movement
Bearing can be moved horizontally along slide unit.
In such scheme, the V belt translation module or Chain conveyer module also include tensioning wheel, and the tensioning wheel is arranged on perpendicular
On allotment seat, the vertical bearing is arranged on horizontal guide rail, and the horizontal guide rail is provided with first handle, the vertical bearing
Second handle is provided with, drives vertical bearing to be moved along horizontal guide rail by rotating the first handle, by rotating described the
Two handle drives tensioning wheels are moved up and down.
In such scheme, the transmission device also includes gear drive module or turbine and worm transmission module.
In such scheme, the mounting platform is provided with T-slot, the driving source, transmission device, generator, electrically negative
Carry, efficiency display module is arranged in T-slot by T-bolt.
In such scheme, the driving source is DC speed-regulating motor.
Implement the mechanical drive mode multifunction teaching platform of the present invention, have the advantages that：
The present invention uses modularized design, has merged machinery driving efficiency contrast experiment, V belt translation contrived experiment, Chain conveyer
Several big major experimentals such as contrived experiment, but also there is provided the platform of an innovative experiment, can be not only used for the teaching of classroom instruction
Displaying also can expand the innovative thinking of student again as experiment porch, and innovate and incorporated sports thought so that machinery is passed
Dynamic classroom becomes vivid, allows student intuitively to experience the contrast of mechanical efficiency, deepens the understanding to knowledge of textbook and answers
With.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the structural representation of mechanical drive mode multifunction teaching platform of the present invention；
Fig. 2 is the structural representation of V belt translation module；
Fig. 3 is the center distance regulation schematic diagram of belt wheel；
Fig. 4 is the adjustment schematic diagram of tensioning wheel；
Fig. 5 is the schematic diagram of LED progress bar；
Fig. 6 is the circuit diagram of efficiency display module.
Embodiment
In order to which technical characteristic, purpose and effect to the present invention are more clearly understood from, now compare accompanying drawing and describe in detail
The embodiment of the present invention.
As shown in Figure 1 and Figure 2, mechanical drive mode multifunction teaching platform of the present invention includes mounting platform 1 and installed in peace
Driving source 2, transmission device 3 on assembling platform 1, generator 6, electrical load 4, efficiency display module 5.
Mounting platform 1 is provided with T-slot, driving source 2, transmission device 3, generator 6, electrical load 4, efficiency display module
5 are arranged in T-slot by T-bolt, convenient disassembly.Driving source 2 drives generator 6 to rotate and generated electricity by transmission device 3, hair
Motor 6 is connected with electrical load 4, and efficiency display module 5 shows the power output of generator 6.Driving source 2 can be adjusted using direct current
Speed motor, it is simple in construction, it is easy to operate.It can both realize stepless time adjustment, convenient to provide different rotating speeds, to simulate the reality of needs
Condition is tested, can also ensure to carry out comparative tests research in the case of input identical.
Transmission device 3 can be V belt translation module, Chain conveyer module, gear drive module or turbine and worm transmission module
One of which, or multiple transmission modules any combination.Each module has a set of or a few set models or size different
Driving member, it is convenient to carry out Selection and Design, and complete comparative tests.Modules also can be individually shown or real simultaneously
Test, add flexibility and the diversity of whole device.
As shown in figure 3, two belt wheels 301 of V belt translation module are separately fixed on two mobile support saddles 302, mobile support saddle
302 can move horizontally along slide unit 303.On the basis of belt wheel 301, the cooperation of the packing ring and pin of different model is devised, can be real
The change of the existing radius of belt wheel 301, and then change the gearratio of V belt translation；The change of the type of belt wheel 301 can be achieved, with different belts
Coordinate, realize the control to type of belt.
Similar with V belt translation module, two sprocket wheels of Chain conveyer module are separately fixed on two mobile support saddles 302, mobile
Bearing 302 can be moved horizontally along slide unit 303.Distance between two mobile support saddles 302 is adjusted by Mobile Slide 303, belt wheel is realized
301st, centre of sprocket is away from adjustable.Motor also can follow bearing block to translate together within the specific limits simultaneously, realize centre-to-centre spacing
Adjustment.
As shown in figure 4, V belt translation module or Chain conveyer module also include tensioning wheel 304, tensioning wheel 304 is arranged on vertical branch
On seat 305, vertical bearing 305 is arranged on horizontal guide rail 307, and horizontal guide rail 307 is provided with first handle 308, vertical bearing
305 are provided with second handle 306, drive vertical bearing 305 to be moved along horizontal guide rail 307 by rotating first handle 308, pass through
Rotate the driving tensioning wheel 304 of second handle 306 to move up and down, realize the regulation of the initial tension of band.
Electrical load 4 includes the adjustable resistance R on the own load of dc generator 6 and output circuitxDepletion load.Generate electricity
The power output P=V of machine 62/Rx, when adjusting adjustable resistance size, it is possible to achieve the change that generator 6 is loaded.Generator 6
The generating efficiency of power output/generator 6 of input power=generator 6.
As shown in Figure 5, Figure 6, efficiency display module 5 is made up of charactron 502 with LED progress bar 501.Whole power train
The machinery driving efficiency η of the system quantitative displays of charactron 502, with the qualitative display directly perceived of LED progress bar 501.Determine that η values are former
Reason：The input of input power=generator 6 of power output/system of machinery driving efficiency η=system of whole transmission system
The firm power of power/driving source 2.These work are completed by 51 single-chip microcomputers and PCF8591 chips.PCF8591 chips collection hair
The voltage value signal that motor 6 is sent, and analog-to-digital conversion is carried out, gained data signal is transmitted into 51 single-chip microcomputers carries out calculation process.
51 Single-chip Controlling charactrons 502 show the now performance number of generator 6, while controlling LED progress bar 501, work as power output
When bigger, the bright quantity of lamp on progress bar 501 is more, intuitively and qualitatively the delivery efficiency of driving-chain can be carried out pair
Than.
When lecturing the relevant knowledges such as V belt translation, Chain conveyer and gear drive, wherein as Elastic Sliding, polygon effect etc.
Abstract concept student is not readily understood, and teaching efficiency is limited, it is possible to carry out function presentation using corresponding module in this complete equipment
And key concept explanation, it is possible to reference to relevant work environment, different transmission mechanism efficiency are intuitively contrasted, in phase
Answer after End-of-Course, as contrived experiment student can also be allowed to carry out corresponding experimental design, help student to understand the related reason of application
By knowledge.
1) tape handler efficiency factor is tested：
A) efficiency comparative's experiment of V belt translation species change (flat rubber belting, V bands etc.)
B) efficiency comparative's experiment of tensile force change
C) increase belt wheel 301 perimeter gasket changes gearratio, efficiency comparative's experiment of gearratio change.
D) regulation load resistance (Rx in circuit diagram), efficiency comparative's experiment of load change
2) chain-drive mechanism efficiency factor is tested：
A) efficiency comparative's experiment of Chain conveyer species change (welded chain, chip articulated chain, roller chain, silent chain)
B) the linear module control sprocket wheel centre-to-centre spacing of X-direction, does efficiency comparative's experiment
C) efficiency comparative's experiment of gearratio change
D) load resistance is adjusted, changes load, efficiency comparative's experiment of load change
3) gear drive efficiency factor is tested：
A) efficiency comparative's experiment of gear drive species change
B) gear stage change efficiency experiment
Experimental procedure is discussed in detail so that sliding ratio is tested as an example below：
1st, driving-chain is tested in T-slot platform over-assemble.
2nd, turn on the power and give motor one appropriate initial velocity.
3rd, the speed of classification increase motor.
4th, experimental data is recorded.
5th, curve map is drawn on graph paper, and is contrasted in theoretical curve, sliding ratio is calculated.
After machine driving correlated curriculum all terminates, this experiment porch can carry out efficiency comparative's exhibition to different transmission modules
Show, student can intuitively feel the transmission efficiency of each transmission mechanism to when designing, making accordingly by experiment porch
With requiring, deepen understanding of the student to knowledge.Particularly, in order to improve the learning interest of student and the ability of application,
This Experiment Platform Design has transmission efficiency athletic game, identical input power requirement under, student can according to knowledge,
Machine driven system intention splicing is carried out on this experiment porch, under identical load, vivid progress bar 501 will show each
The efficiency that individual classmate splices driving-chain has not only enlivened classroom atmosphere while amusement, has evoked the emerging of Students ' Learning
Interest, is even more to application in actual combat of student's knowledge, it is believed that the teaching efficiency in machine driving classroom can be produced well surely
Facilitation.
Embodiments of the invention are described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned specific
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, one of ordinary skill in the art
Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make a lot
Form, these are belonged within the protection of the present invention.
Claims (3)
1. a kind of mechanical drive mode multifunction teaching platform, it is characterised in that including mounting platform and installed in mounting platform
On driving source, transmission device, generator, electrical load, efficiency display module, the driving source drives institute by transmission device
State generator and rotate generating, the generator is connected with the electrical load, the efficiency display module shows the defeated of generator
Go out power, the electrical load is variable resistor, and the efficiency display module includes charactron and LED progress bar, the biography
Dynamic device includes V belt translation module or Chain conveyer module, and two belt wheels of the V belt translation module are separately fixed at two mobile branch
On seat, the mobile support saddle can be moved horizontally along slide unit, and two sprocket wheels of the Chain conveyer module are separately fixed at two movements
On bearing, the mobile support saddle can be moved horizontally along slide unit, and the V belt translation module or Chain conveyer module also include tensioning wheel, institute
Tensioning wheel is stated on vertical bearing, the vertical bearing is arranged on horizontal guide rail, the horizontal guide rail is provided with first
Handle, the vertical bearing is provided with second handle, drives vertical bearing to be moved along horizontal guide rail by rotating the first handle
It is dynamic, drive tensioning wheel to move up and down by rotating the second handle, the transmission device also includes gear drive module or whirlpool
Worm and gear transmission module.
2. mechanical drive mode multifunction teaching platform according to claim 1, it is characterised in that on the mounting platform
Provided with T-slot, the driving source, transmission device, generator, electrical load, efficiency display module are arranged on T by T-bolt
In type groove.
3. mechanical drive mode multifunction teaching platform according to claim 1, it is characterised in that the driving source is straight
Flow buncher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510028820.6A CN104575240B (en) | 2015-01-21 | 2015-01-21 | Mechanical drive mode multifunction teaching platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510028820.6A CN104575240B (en) | 2015-01-21 | 2015-01-21 | Mechanical drive mode multifunction teaching platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104575240A CN104575240A (en) | 2015-04-29 |
| CN104575240B true CN104575240B (en) | 2017-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510028820.6A Expired - Fee Related CN104575240B (en) | 2015-01-21 | 2015-01-21 | Mechanical drive mode multifunction teaching platform |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128279A (en) * | 2016-08-31 | 2016-11-16 | 中国人民解放军空军工程大学 | A kind of machine driving demonstration teaching aid |
| CN107742454A (en) * | 2017-11-15 | 2018-02-27 | 湖南长庆机电科教有限公司 | Fundamentals of Machine Design experimental real-training platform |
| CN109118932B (en) * | 2018-08-31 | 2021-02-05 | 许彩笛 | Automatic speed regulator for wrinkled chain and demonstration device thereof |
| CN110287327B (en) * | 2019-07-03 | 2022-04-12 | 中山大学 | Automatic path adaptive knowledge graph generation method based on teaching material catalog and directed hypergraph |
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|---|---|---|---|---|
| GB216382A (en) * | 1923-07-11 | 1924-05-29 | Fowler John & Co Leeds Ltd | Improvements in or relating to devices for exhibiting the action of various models of reversible machinery and the like |
| CN2447762Y (en) * | 2000-10-31 | 2001-09-12 | 华东理工大学 | Machine driven efficiency-measuring device |
| CN101137261A (en) * | 2006-08-29 | 2008-03-05 | 安华高科技Ecbuip(新加坡)私人有限公司 | Device and method for driving LED |
| CN201307368Y (en) * | 2008-12-01 | 2009-09-09 | 华南理工大学 | Multi-type belt transmission experiment platform |
| CN203706572U (en) * | 2013-12-13 | 2014-07-09 | 华中农业大学 | Mechanical-transmission stereoscopic movable installation platform |
| CN104157206A (en) * | 2014-08-26 | 2014-11-19 | 北京印刷学院 | Multifunctional planar mechanism demonstration instrument and implementation method thereof |
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2015
- 2015-01-21 CN CN201510028820.6A patent/CN104575240B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB216382A (en) * | 1923-07-11 | 1924-05-29 | Fowler John & Co Leeds Ltd | Improvements in or relating to devices for exhibiting the action of various models of reversible machinery and the like |
| CN2447762Y (en) * | 2000-10-31 | 2001-09-12 | 华东理工大学 | Machine driven efficiency-measuring device |
| CN101137261A (en) * | 2006-08-29 | 2008-03-05 | 安华高科技Ecbuip(新加坡)私人有限公司 | Device and method for driving LED |
| CN201307368Y (en) * | 2008-12-01 | 2009-09-09 | 华南理工大学 | Multi-type belt transmission experiment platform |
| CN203706572U (en) * | 2013-12-13 | 2014-07-09 | 华中农业大学 | Mechanical-transmission stereoscopic movable installation platform |
| CN104157206A (en) * | 2014-08-26 | 2014-11-19 | 北京印刷学院 | Multifunctional planar mechanism demonstration instrument and implementation method thereof |
Non-Patent Citations (1)
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| 带传动实验台计算机测试分析系统研究;曲卫东;《中国优秀博硕士学位论文全文数据库 (硕士) 工程科技Ⅱ辑》;20041215;C029-49 第11-13、38页，图3-2 * |
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| CN104575240A (en) | 2015-04-29 |
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