CN104575240A - Multifunctional teaching platform for mechanical transmission mode - Google Patents
Multifunctional teaching platform for mechanical transmission mode Download PDFInfo
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- CN104575240A CN104575240A CN201510028820.6A CN201510028820A CN104575240A CN 104575240 A CN104575240 A CN 104575240A CN 201510028820 A CN201510028820 A CN 201510028820A CN 104575240 A CN104575240 A CN 104575240A
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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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- Educational Administration (AREA)
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- Theoretical Computer Science (AREA)
- Electrically Operated Instructional Devices (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention relates to a multifunctional teaching platform for a mechanical transmission mode. The multifunctional teaching platform for the mechanical transmission mode comprises an installation platform, a driving source, a transmission device, a generator, an electrical load and an efficiency display module, wherein the driving source, the transmission device, the generator, the electrical load and the efficiency display module are installed on the installation platform, the driving source drives the generator to rotate and generate electricity through the transmission device, the generator is connected with the electrical load, and the efficiency display module displays transmission efficiency and the output power of the generator. The multifunctional teaching platform for the mechanical transmission mode is designed in a modularized mode, combines a mechanical transmission efficiency contrast experiment, a belt transmission design experiment, a chain transmission design experiment and other major experiments, can be used for both teaching shows of classroom teaching and as an experiment platform, creatively combines a competitive thought, enables a mechanical transmission class to be vivid, enables students to visually experience comparison of mechanical efficiencies, and deepens understanding and application of textbook knowledge.
Description
Technical field
The present invention relates to a kind of mechanical drive mode multifunction teaching platform.
Background technology
In " Fundamentals of Machine Design " course of mechanical " mechanical principle " and " Machine Design " and non-mechanism, mechanical drive is as most content, its content and production reality comparatively close, a lot of knowledge point is for not having indigestion contacted student before, this just needs in teaching process, be equipped with corresponding experiment and production practices, helps Students ' Learning and understanding.But existing machinery transmission teaching equipment function singleness, the form of expression is uninteresting, and lack novelty, teaching efficiency is limited, and the advanced teaching idea that can not adapt to teach through lively activities etc.
Summary of the invention
The technical problem to be solved in the present invention is, provides a kind of mechanical drive mode multifunction teaching and the innovation intention platform that can carry out efficiency comparative's displaying to different transmission module.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of mechanical drive mode multifunction teaching platform, comprise mounting platform and be arranged on drive source, gearing, generator, electrical load, the efficiency display module on mounting platform, described drive source drives described generator rotation to generate electricity by gearing, described generator is connected with described electrical load, the output power of described efficiency display module display transmission efficiency and generator.
In such scheme, described electrical load is variable resistor.
In such scheme, described efficiency display module comprises charactron and LED progress bar.
In such scheme, described gearing comprises V belt translation module or Chain conveyer module.
In such scheme, two belt wheels of described V belt translation module are separately fixed on two mobile support saddles, and described mobile support saddle can move horizontally along slide unit.
In such scheme, two sprocket wheels of described Chain conveyer module are separately fixed on two mobile support saddles, and described mobile support saddle can move horizontally along slide unit.
In such scheme, described V belt translation module or Chain conveyer module also comprise stretching pulley, described stretching pulley is arranged on vertical bearing, described vertical bearing is arranged on horizontal guide rail, described horizontal guide rail is provided with first handle, described vertical bearing is provided with second handle, drives vertical bearing to move along horizontal guide rail by rotating described first handle, drives stretching pulley to move up and down by rotating described second handle.
In such scheme, described gearing also comprises gear drive module or turbine and worm transmission module.
In such scheme, described mounting platform is provided with T-slot, and described drive source, gearing, generator, electrical load, efficiency display module are arranged in T-slot by T-shaped bolt.
In such scheme, described drive source is DC speed-regulating motor.
Implement mechanical drive mode multifunction teaching platform of the present invention, there is following beneficial effect:
The present invention adopts modular design, several large major experimental such as machinery driving efficiency contrast experiment, V belt translation contrived experiment, Chain conveyer contrived experiment are merged, but also provide the platform of an innovative experiment, both the teaching displaying that can be used for classroom instruction also can be used as experiment porch, the innovative thinking of student can be expanded again, and innovation has incorporated sports thought, mechanical drive classroom is made to become vivid, allow student experience the contrast of mechanical efficiency intuitively, deepen the understanding to knowledge of textbook and application.
Accompanying drawing explanation
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 stretching pulley;
Fig. 5 is the schematic diagram of LED progress bar;
Fig. 6 is the circuit diagram of efficiency display module.
Embodiment
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
As shown in Figure 1 and Figure 2, mechanical drive mode multifunction teaching platform of the present invention comprises mounting platform 1 and the drive source 2, gearing 3, generator 6, electrical load 4, the efficiency display module 5 that are arranged on mounting platform 1.
Mounting platform 1 is provided with T-slot, and drive source 2, gearing 3, generator 6, electrical load 4, efficiency display module 5 are arranged in T-slot by T-shaped bolt, easy accessibility.Drive source 2 rotates generating by gearing 3 drive electrical generators 6, and generator 6 is connected with electrical load 4, and efficiency display module 5 shows the output power of generator 6.Drive source 2 can adopt DC speed-regulating motor, and structure is simple, easy to operate.It both can realize stepless time adjustment, conveniently provided different rotating speeds, to simulate the experiment condition of needs, also can ensure to carry out comparative tests research when inputting identical.
Gearing 3 can be the wherein a kind of of V belt translation module, Chain conveyer module, gear drive module or turbine and worm transmission module, or the combination in any of multiple transmission module.Each module all has a set of or a few cover model or the different driving member of size, conveniently carries out Selection and Design, and completes comparative tests.Modules also can carry out separately showing or testing simultaneously, adds dirigibility 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, and mobile support saddle 302 can move horizontally along slide unit 303.On the basis of belt wheel 301, devise the packing ring of different model and coordinating of pin, the change of belt wheel 301 radius can be realized, and then change the ratio of gear of V belt translation; The change of belt wheel 301 type can be realized, coordinate with different belt, realize the control to type of belt.
With V belt translation module class seemingly, two sprocket wheels of Chain conveyer module are separately fixed on two mobile support saddles 302, and mobile support saddle 302 can move horizontally along slide unit 303.Regulate the distance between two mobile support saddles 302 by Mobile Slide 303, realize belt wheel 301, centre of sprocket apart from adjustable.Motor also can follow bearing seat translation together within the specific limits simultaneously, achieves the adjustment of centre distance.
As shown in Figure 4, V belt translation module or Chain conveyer module also comprise stretching pulley 304, stretching pulley 304 is arranged on vertical bearing 305, vertical bearing 305 is arranged on horizontal guide rail 307, horizontal guide rail 307 is provided with first handle 308, and vertical bearing 305 is provided with second handle 306, drives vertical bearing 305 to move along horizontal guide rail 307 by rotating first handle 308, driving stretching pulley 304 to move up and down by rotating second handle 306, realizing the adjustment of the initial tension of band.
Electrical load 4 comprises the adjustable resistance R on Dyn. 6 own load and output circuit
xdepletion load.The output power P=V of generator 6
2/ R
x, when regulating adjustable resistance size, the change of generator 6 load can be realized.Output power/generator 6 generating efficiency of the power input=generator 6 of generator 6.
As shown in Figure 5, Figure 6, efficiency display module 5 is made up of charactron 502 and LED progress bar 501.The machinery driving efficiency η charactron 502 of whole kinematic train quantitatively shows, with the qualitative display directly perceived of LED progress bar 501.Determine η value principle: the firm power of the power input/drive source 2 of the power input=generator 6 of the output power/system of the machinery driving efficiency η=system of whole kinematic train.These work are completed by 51 single-chip microcomputers and PCF8591 chip.PCF8591 chip gathers the voltage value signal that generator 6 sends, and carries out analog to digital conversion, gained digital signal is passed to 51 single-chip microcomputers and carries out calculation process.51 Single-chip Controlling charactrons 502 show now generator 6 performance number, control LED progress bar 501 simultaneously, and when output power is larger, the bright quantity of the lamp on progress bar 501 is more, can intuitively and contrast the output efficiency of driving-chain qualitatively.
When lecturing the relevant knowledges such as V belt translation, Chain conveyer and gear drive, wherein not easily understand as the abstract concept such as Elastic Sliding, polygon effect student, teaching efficiency is limited, so corresponding module in this complete equipment can be utilized to carry out function presentation and key concept explanation, and can in conjunction with relevant work environment, different gear train efficiency is contrasted intuitively, after corresponding course terminates, also can as contrived experiment, allow student carry out corresponding experimental design, help student to understand application correlation theories knowledge.
1) tape handler efficiency factor experiment:
Efficiency comparative's experiment of a) V belt translation kind change (flat rubber belting, V band etc.)
B) efficiency comparative's experiment of tensile force change
C) increase belt wheel 301 perimeter gasket and change ratio of gear, efficiency comparative's experiment of ratio of gear change.
D) regulating load resistance (Rx in circuit diagram), efficiency comparative's experiment of load change
2) chain-drive mechanism efficiency factor experiment:
A) efficiency comparative's experiment of Chain conveyer kind change (welded chain, chip articulated chain, roller chain, silent chain)
B) the linear module of X-direction controls sprocket wheel centre distance, does efficiency comparative's experiment
C) efficiency comparative's experiment of ratio of gear change
D) regulating load resistance, changes load, efficiency comparative's experiment of load change
3) gear drive efficiency factor experiment:
A) efficiency comparative's experiment of gear drive kind change
B) gear stage change efficiency experiment
Experimental procedure is introduced in detail below for sliding ratio experiment:
1, assembling experiment driving-chain on T-slot platform.
2, opening power is to the suitable initial velocity of one, motor.
3, classification increases the speed of motor.
4, experimental data is recorded.
5, curve plotting figure on coordinate paper, and contrast in theoretical curve, calculate sliding ratio.
After mechanical drive correlated curriculum all terminates, this experiment porch can carry out efficiency comparative's displaying to different transmission module, student can feel that the transmission efficiency of each gear train is to when design, request for utilization accordingly, deepens student to the understanding of knowledge by platform by experiment intuitively.Especially, in order to the ability of the learning interest and application that improve student, this Experiment Platform Design has transmission efficiency athletic game, under identical power input requires, student can according to knowledge, this experiment porch carries out the splicing of machine driven system intention, under identical load, the progress bar 501 of image by each classmate of display splice driving-chain efficiency while amusement, not only enlivened classroom atmosphere, evoke the interest of Students ' Learning, especially to student's knowledge application in actual combat, believe and surely can produce good facilitation to the teaching efficiency in mechanical drive classroom.
By reference to the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, also can make a lot of form, these all belong within protection of the present invention.
Claims (10)
1. a mechanical drive mode multifunction teaching platform, it is characterized in that, comprise mounting platform and be arranged on drive source, gearing, generator, electrical load, the efficiency display module on mounting platform, described drive source drives described generator rotation to generate electricity by gearing, described generator is connected with described electrical load, the output power of described efficiency display module display transmission efficiency and generator.
2. mechanical drive mode multifunction teaching platform according to claim 1, is characterized in that, described electrical load is variable resistor.
3. mechanical drive mode multifunction teaching platform according to claim 1, is characterized in that, described efficiency display module comprises charactron and LED progress bar.
4. mechanical drive mode multifunction teaching platform according to claim 1, is characterized in that, described gearing comprises V belt translation module or Chain conveyer module.
5. mechanical drive mode multifunction teaching platform according to claim 4, is characterized in that, two belt wheels of described V belt translation module are separately fixed on two mobile support saddles, and described mobile support saddle can move horizontally along slide unit.
6. mechanical drive mode multifunction teaching platform according to claim 4, is characterized in that, two sprocket wheels of described Chain conveyer module are separately fixed on two mobile support saddles, and described mobile support saddle can move horizontally along slide unit.
7. mechanical drive mode multifunction teaching platform according to claim 4, it is characterized in that, described V belt translation module or Chain conveyer module also comprise stretching pulley, described stretching pulley is arranged on vertical bearing, described vertical bearing is arranged on horizontal guide rail, and described horizontal guide rail is provided with first handle, and described vertical bearing is provided with second handle, driving vertical bearing to move along horizontal guide rail by rotating described first handle, driving stretching pulley to move up and down by rotating described second handle.
8. mechanical drive mode multifunction teaching platform according to claim 4, is characterized in that, described gearing also comprises gear drive module or turbine and worm transmission module.
9. mechanical drive mode multifunction teaching platform according to claim 1, it is characterized in that, described mounting platform is provided with T-slot, and described drive source, gearing, generator, electrical load, efficiency display module are arranged in T-slot by T-shaped bolt.
10. mechanical drive mode multifunction teaching platform according to claim 1, is characterized in that, described drive source is DC speed-regulating motor.
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 |
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| CN104575240A true CN104575240A (en) | 2015-04-29 |
| CN104575240B CN104575240B (en) | 2017-07-11 |
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Cited By (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 |
| CN109118932A (en) * | 2018-08-31 | 2019-01-01 | 许彩笛 | A kind of wrinkle chain automatic speed governor and its apparatus for demonstrating |
| CN110287327A (en) * | 2019-07-03 | 2019-09-27 | 中山大学 | Path adapted information map automatic generation method based on teaching material catalogue and Directed Hypergraph |
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Cited By (5)
| 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 |
| CN109118932A (en) * | 2018-08-31 | 2019-01-01 | 许彩笛 | A kind of wrinkle chain automatic speed governor and its apparatus for demonstrating |
| CN110287327A (en) * | 2019-07-03 | 2019-09-27 | 中山大学 | Path adapted information map automatic generation method based on teaching material catalogue and Directed Hypergraph |
| 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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| Publication number | Publication date |
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| CN104575240B (en) | 2017-07-11 |
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