CN103778846A - Novel mechanical principle experiment assessment platform - Google Patents
Novel mechanical principle experiment assessment platform Download PDFInfo
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- CN103778846A CN103778846A CN201410059665.XA CN201410059665A CN103778846A CN 103778846 A CN103778846 A CN 103778846A CN 201410059665 A CN201410059665 A CN 201410059665A CN 103778846 A CN103778846 A CN 103778846A
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Abstract
The invention discloses a novel mechanical principle experiment assessment platform, and relates to the field of experiment and assessment equipment production, in particular to the novel mechanical principle experiment assessment platform. The novel mechanical principle experiment assessment platform comprises a connecting rod cam module, a gear train module, a comprehensive innovation module and a virtual reality module, and important knowledge points about connecting rods, important knowledge points about cams, and important knowledge points about gears are contained. The novel mechanical principle experiment assessment platform comprises a rotary swing-preventing topic selection lifting mechanism, a gear experiment topic board selecting mechanism, an overlying type telescoping frame, an intermittent combined rack and the like. A virtual reality system based on a computer graph simulation visualization technology is developed, port transportation serves as the background, and enjoyment and practical significance of tests are improved. Compared with an existing device, the traditional teaching thinking is broken through, theory tests and experiment teaching are organically combined, the defects that traditional tests emphasize on theories and traditional experiments are single in function, fixed in content and boring in process can be effectively overcome, and the advantages of the traditional tests and the advantages of the traditional experiments can be absorbed, combined and given play to.
Description
Technical field
Experiment of the present invention and apparatus for checking production field, refer in particular to a kind of novel mechanical Experiment of Principle evaluating platform.
Background technology
" mechanical principle ", as important core curriculum of colleges and universities' mechanical speciality, is the key that student learns mechanical speciality knowledge well.Experiment is the important step of cultivating students practise ability and tie course teaching, and examination is to investigate student knowledge to grasp one of important way of situation.But theory is laid particular stress in traditional examination; Traditional experiment is main mainly with the infrastest of demonstration mode, and function singleness, content are fixed, process is uninteresting, and both are short of to some extent aspect cultivation student mechanism innovation ability and experimental study ability.
Mechanical principle experiment at present mainly contains the infrastests such as the mensuration of mechanism's cognition, mechanism diagram drawing, involute profile process principle, Geometrical Parametrs for Involute Spur Cylindrical Gear.Experiment content is comparatively fixing, lacks designability experiment and Research experiment.General each experiment has fixing guiding book, comprises experiment purpose, experimental facilities, experimental principle and method, experimental procedure, even also comprises the form of laboratory report etc.Student's thinking and behavior are all cured as unified pattern, and the space that there is no oneself thinking and create, is difficult to excite self aspiration to knowledge.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of novel " travel at harbour " mechanical principle experimental evaluation platform.
For the deficiency of existing " mechanical principle " experiment teaching aid, the present invention proposes a kind of novel " travel at harbour " experimental evaluation platform, design a kind of mechanical principle experimental evaluation platform take " port traffic " as background, integrate basic type experiment, design mode experiment, the experiment of synthetic innovation type and research experiment, contain the important knowledge points such as connecting rod, gear, cam, break original experimental rules, create novel examination system, improved quality of instruction.
The technical solution adopted in the present invention is: (1) is in mechanism, design rotary anti-sway selected topic lifting mechanism, gear experimental problem plate and chosen mechanism, laminated type expansion bracket, the characteristic mechanism such as combined rack intermittently, guaranteed that by Mechanics Simulation intensity, rigidity and the movement accuracy of mechanism meet the requirements, and complete the function of mechanical principle experimental evaluation effectively simultaneously.(2) set up the Novel experimental checking system that integrates basic type experiment, design mode experiment, the experiment of synthetic innovation type and research experiment.(3) the present invention is according to new teaching thought, in conjunction with technology such as machinery innovation and virtual realities, realize the object that contains the important knowledge point of mechanical principle course, designed the mechanical principle experimental evaluation platform being formed by link module, module, gear module, synthetic innovation experiment module.(4) the port traffic background of combined with virtual reality, makes student have sensation on the spot in person, embodies the theory of teaching in future.
Compared with prior art, the invention has the beneficial effects as follows: " travel at harbour " mechanical principle experimental evaluation flat surface is to vast subject and the colleges and universities that need to carry out mechanical principle teaching, its novel form, conception are far-reaching, there is following advantage: (1) experiment organically combines with theory examination, novel form; The examination of mechanical principle knowwhy is incorporated in actual hands-on, by setting up a set of brand-new theoretical checking system, give student certain assessment with software, play experimental implementation and check the effect of Students ' Learning situation simultaneously, provide certain reference frame for teacher investigates student, embodied prospective philisophy of teaching and measurement system innovation.(2) creative design application, realizes exercise question and selects diversity; Rotary anti-sway selected topic lifting mechanism and intermittently combined rack, realize multiple cabinet rack by rotary anti-sway selected topic lifting mechanism and rise at random, by intermittence combined rack realize the stochastic transformations of 9 kinds of experiment frames, thereby realize the diversity that exercise question is selected.(3) set up VR-Platform, embody teaching in future characteristic.
Set up virtual demo system, reflect mechanical thought with visual form, before study correlated knowledge point, first the structure to mechanism, profile are done careful design, virtual reality can become observable dummy object and environment this design, make can only rise to digitized seeing with the knowledge point of the imagination by thinking is the perfect boundary of gained in the past, has greatly improved quality and the efficiency of study.
Accompanying drawing explanation
Fig. 1 is front elevation of the present invention;
Fig. 2 is side view of the present invention;
Fig. 3 is vertical view of the present invention;
Fig. 4 is the axonometric drawing of the rotary anti-sway rising selected topic of the present invention mechanism;
Fig. 5 is the axonometric drawing of connecting rod cam test overlap joint frame of the present invention;
Fig. 6 is the intermittently axonometric drawing of combined rack of the present invention;
Fig. 7 is the axonometric drawing of lifting mechanism of the present invention;
Fig. 8 is the axonometric drawing of gear test panel of the present invention.
Wherein: 1-virtual reality module, 2-connecting rod cam experiment module, 3-crane, 4-gear experiment module, 5-synthetic innovation experiment module, 6-connecting rod cam experiment frame, the rotary anti-sway rising selected topic of 7-mechanism, 8-" automobile " model frame, 9-is combined rack intermittently, 10-gear experimental problem plate is chosen mechanism, 11-connecting rod infrastest overlap joint frame, 12-connecting rod experiment frame, 13-parallel four-bar, 14-motor 1, 15-support, 16-fork is cut lifting mechanism, 17-swivel mount, 18-module 1, 19-module 2, the comprehensive exercise question of 20-, 21-motor 2, 22-linear bearing, 23-fork is cut, 24-back up pad, 25-leading screw, 26-planet circular system, 27-travelling belt, 28-gear test panel, the movable installation frame of 29-.
Embodiment
Further illustrate specific embodiment of the invention below in conjunction with accompanying drawing.
Referring to Fig. 1-3, the present invention comprises rotary anti-sway selected topic lifting mechanism, gear experimental problem plate and chooses mechanism, laminated type expansion bracket, the mechanism such as combined rack intermittently.Connecting rod cam plastometer frame, rotary anti-sway rising selected topic mechanism make student complete connecting rod cam experiment module by contact; Mechanism chosen by gear experimental problem plate and laminated type expansion bracket completes choosing and rising of gear experiment module topic plate.Intermittently combined rack is realized the random combine of Comprehensive Experiment module exercise question by the intermittent rotary of two modules.VR-Platform, in conjunction with port traffic background, makes student have sensation on the spot in person.The coordination Efficient Operation of each mechanism, should complete the help to the mechanical course of student by " travel at harbour " mechanical principle experimental evaluation platform smoothly.
Referring to Fig. 4, rotary anti-sway rising selected topic mechanism is mainly used in any selection of connecting rod cam experiment frame, reaches the object of arbitrary extracting exercise question.For connecting rod, cam experimental section.
Referring to Fig. 5, connecting rod infrastest part student draws the kinematic sketch of linkage assembly according to virtual Show Me animation, obtain mechanism freedom, with given rod member establishment mechanism, mechanism for testing kinetic parameter.Contrived experiment part uses graphical method based to go out linkage assembly according to known conditions, and has set up appointed task.Cam portion is designed satisfactory cam according to follower motion, then from the cam providing, selects satisfactory building.
Referring to Fig. 6, Comprehensive Experiment module adopts intermittently combined rack, and its effect is the variation that realizes frame by module 18 and the intermittent rotary of module 19, can risk 9 kinds of frames and realize exercise question diversity.It is made up of module 18, module 19, gear, Geneva mechanism, placing portion member 20 in frame.
Referring to Fig. 7, laminated type expansion bracket is for the lifting of gear test panel 28.Driven by motor leading screw 25 rotates, and by leading screw screw mechanism band movable slider rectilinear motion, thereby drives support bar interlock to stretch and cause the rising of objective table in space, and realizes the exactly lifting of expansion bracket by lay respectively linear bearing 22 on four bars.
[0017]referring to Fig. 8, belt-conveying model frame is mainly made up of motor, travelling belt 27, train 26 etc.Student, according to specifying the reasonably each gear of design of ratio of gear, builds train, and goods piece is transported to next outpost of the tax office by the rotating speed that makes belt reach appointment.
Claims (6)
1. a novel mechanical Experiment of Principle evaluating platform, is characterized in that: comprise connecting rod cam experiment module 2, gear experiment module 4, synthetic innovation experiment module 5 and virtual reality module 1, wherein:
(1) described connecting rod cam experiment module 2 is made up of connecting rod infrastest, contrived experiment and cam design experiment three parts, comprising connecting rod overlap joint frame, cam experiment overlap joint frame and rotary anti-sway selected topic lifting mechanism;
(2) described gear experiment module 4 is made up of infrastest and train contrived experiment two large divisions, chooses mechanism and laminated type expansion bracket comprising car model frame, belt-conveying model frame, gear experimental problem plate;
(3) described synthetic innovation experiment module 5 by intermittence combined rack and topic type frame form;
(4) described virtual reality module 1 comprises sensor, PC end, virtual reality software, display;
2. connecting rod cam experiment module according to claim 1, it is characterized in that: described connecting rod infrastest part student draws the kinematic sketch of linkage assembly according to virtual Show Me animation, obtain mechanism freedom, set up mechanism, mechanism for testing kinetic parameter with given rod member.
3. the link design experimental section described in uses graphical method based to go out linkage assembly according to known conditions, and has set up appointed task.
4. the cam design experimental section described in requires student to design satisfactory cam according to requirement of experiment, then from the cam providing, selects satisfactory cam and builds.
5. gear experiment module according to claim 1, is characterized in that: described infrastest part requires student to build the gear mechanism of appointment according to schematic diagram of mechanism; Described train contrived experiment part student overlaps out car model, belt-conveying model as requested.
6. virtual demonstration module according to claim 1, it is characterized in that: described displacement transducer is installed at the feature assembling position on teaching aid part, the interface access slave computer of all the sensors, slave computer receives real-time displacement signal, by linking with the serial communication program of PC end, send to the Console program of virtual reality software to resolve information, display 2 is reflected in the data after resolving on virtual reality picture, and the machinery in virtual reality picture is operated in real time.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410059665.XA CN103778846A (en) | 2014-02-21 | 2014-02-21 | Novel mechanical principle experiment assessment platform |
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| CN201410059665.XA CN103778846A (en) | 2014-02-21 | 2014-02-21 | Novel mechanical principle experiment assessment platform |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943022A (en) * | 2014-05-09 | 2014-07-23 | 中国地质大学（武汉） | Combined teaching aid for simulating reversal |
| CN104008699A (en) * | 2014-05-29 | 2014-08-27 | 浙江工业大学 | Cam experiment teaching aid |
| CN104103209A (en) * | 2014-07-17 | 2014-10-15 | 西安建筑科技大学 | Gear constant ratio transmission demonstration instrument |
| CN104200708A (en) * | 2014-09-04 | 2014-12-10 | 南昌大学 | Inversion method simulation and pressure angle analysis software platform |
| CN104332097A (en) * | 2014-09-29 | 2015-02-04 | 桂林航天工业学院 | Two-sided teaching appliance |
-
2014
- 2014-02-21 CN CN201410059665.XA patent/CN103778846A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943022A (en) * | 2014-05-09 | 2014-07-23 | 中国地质大学（武汉） | Combined teaching aid for simulating reversal |
| CN103943022B (en) * | 2014-05-09 | 2016-01-06 | 中国地质大学（武汉） | A kind of combined appliance for teaching for simulating reversal process |
| CN104008699A (en) * | 2014-05-29 | 2014-08-27 | 浙江工业大学 | Cam experiment teaching aid |
| CN104008699B (en) * | 2014-05-29 | 2016-04-13 | 浙江工业大学 | Cam experiment teaching aid |
| CN104103209A (en) * | 2014-07-17 | 2014-10-15 | 西安建筑科技大学 | Gear constant ratio transmission demonstration instrument |
| CN104103209B (en) * | 2014-07-17 | 2016-04-13 | 西安建筑科技大学 | A kind of gear is fixed than transmission demonstrator |
| CN104200708A (en) * | 2014-09-04 | 2014-12-10 | 南昌大学 | Inversion method simulation and pressure angle analysis software platform |
| CN104332097A (en) * | 2014-09-29 | 2015-02-04 | 桂林航天工业学院 | Two-sided teaching appliance |
| CN104332097B (en) * | 2014-09-29 | 2017-03-15 | 桂林航天工业学院 | A kind of two-sided teaching aid |
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Application publication date: 20140507 |