CN110264851A - A kind of experimental facilities for mechanics innovation experimental teaching - Google Patents
A kind of experimental facilities for mechanics innovation experimental teaching Download PDFInfo
- Publication number
- CN110264851A CN110264851A CN201910521814.2A CN201910521814A CN110264851A CN 110264851 A CN110264851 A CN 110264851A CN 201910521814 A CN201910521814 A CN 201910521814A CN 110264851 A CN110264851 A CN 110264851A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- interior bar
- bar
- experimental
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009434 installation Methods 0.000 claims abstract description 14
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 16
- 238000001228 spectrum Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 abstract description 34
- 238000002474 experimental method Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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 invention discloses a kind of experimental facilities for mechanics innovation experimental teaching, belong to mechanics innovation experimental technique field, and the device structure is simple, and length of connecting rod is easy to adjust, can be easily accomplished the variation of mechanism in the case of the long ratio of different bars.The present invention includes: length adjustable connecting rod, map display pole, combination installation frame；Hole on the length adjustable connecting rod and the combined installation rack is carried out hinged using pin shaft and bearing, the length adjustable connecting rod includes interior bar, outer bar, interior bar connector, interior bar one end is mounted in outer dry slot, the interior bar other end is fixedly connected with interior bar connector, map display pole one end with the length adjustable connecting rod by being hingedly fixedly connected, specific position is drilled with different connecting holes on the map display pole, for connecting map drawing apparatus.
Description
Technical field
The invention belongs to mechanics innovation experimental technique field more particularly to a kind of experiments for mechanics innovation experimental teaching
Equipment.
Background technique
In theory of mechanics, mechanical engineering experiment teaching field, many colleges and universities can all open up mechanics innovation experiment.Experimental teaching
Equipment is bought often through market, but existing link mechanism Innovative Experiment Teaching equipment or bar are long than limited or knot
Structure is single, is difficult to be combined into the various mechanisms such as crank rocker, double-crank, double rocker mechanism, and Mechanism Combination and body function
More limit to.Student can be only done a kind of Mechanism Combination by once experiment, and complete a kind of function, when building waste of mechanism
Between, and these experimental assembly functions are often limited only to mechanism itself, it is difficult to it is related to mechanism self character such as coupler-point curve, urgency
Return characteristic etc..So that student learns more single in one experiment, it is unable to give full play the innovation ability of student.
Meanwhile kinematic synthesis of the link mechanism in terms of Analysis of mobility due to link mechanism is complex, general
It can approximatively realize the given characteristics of motion and track；Since connecting rod mechanism movement chain is usually longer, along with each kinematic pair member
It is accumulative to generate biggish kinematic error for the abrasion on surface between element；The inertia force of link mechanism is unable to complete equipilibrium, so not
It is suitble to high-speed drive.The performance of link mechanism is influenced by complex geometry parameter in mechanism, and complicated non-linear relation, institute is presented
No matter to be all a more difficult job from performance evaluation or on performance synthesis.
Summary of the invention
The present invention provides a kind of experimental facilities for mechanics innovation experimental teaching, and the device structure is simple, connecting rod
Length adjustment is convenient, can be easily accomplished the variation of mechanism in the case of the long ratio of different bars.
In order to achieve the above object, the invention adopts the following technical scheme:
A kind of experimental facilities for mechanics innovation experimental teaching, comprising: length adjustable connecting rod, map display pole, combination peace
Installation frame；Hole on the length adjustable connecting rod and the combined installation rack is carried out using pin shaft and bearing hingedly, with complete
At relative rotation, the requirement of Plane Rotation pair is realized；The length adjustable connecting rod includes interior bar, outer bar, interior bar connector, interior bar
One end is mounted in outer dry slot, and the interior bar other end is fixedly connected with interior bar connector, the combination of different length of connecting rods, to realize
The conversion of the various mechanisms such as crank and rocker mechanism, rocker device, double-crank mechanism；Map display pole one end and the length
Adjustable connecting rods are fixedly connected, and specific position is drilled with different connecting holes on the map display pole, draw dress for connecting map
It sets, to realize that the long link combination than under different angle of different bars is drawn.
In structure described above, the combination installation frame includes upside mounting rod, distance block, movable distance block, downside
Mounting rod, support rod, pedestal bar 1, pedestal bar 2；Two pedestal bars 1 and two pedestal bars 2 connect and form square base, and two
The support rod is symmetrically installed on a pedestal bar 1, two upside mounting rods are fixed on support rod by corner brace and distance block
On, to provide the space and position of link motion；Downside mounting rod both ends are connected by screw with two sides activity distance block,
It is mounted between support rod, activity distance block in two sides can move up and down, and be guaranteed by the friction between screw and support rod opposite
Position；The interior bar is connect with interior bar connector by a pair of screws；The map display pole through hole pin connection control and institute
State the angle of length adjustable connecting rod.
The utility model has the advantages that the present invention provides a kind of experimental facilities for mechanics innovation experimental teaching, structure of the invention letter
Single, length of connecting rod is easy to adjust, can be easily accomplished the variation of mechanism in the case of the long ratio of different bars, and the long ratio of different bars and angle
The drafting of lower link curve spectrum.The length adjustable connecting rod with other bars or mounting rod by hingedly connecting, to complete
It relatively rotates, realizes the requirement of Plane Rotation pair；Adjustable connecting rods divide interior bar, outer bar, are connected by screw to and are fixed, interior bar point
The body of rod and connector, are connected by screw to and are fixed, and to increase stability, are all made of a pair of screws connection；Difference is even
The combination of pole length, thus realize the conversion of the various mechanisms such as crank and rocker mechanism, rocker device, double-crank mechanism, the company
Bar curve spectrum display pole through hole pin connection controls itself and link angle, realizes the long transformation than with different angle of different bars,
To draw out various types coupler-point curve, the practicability of device is improved.
Detailed description of the invention
Fig. 1 is structural schematic diagram when drawing Curve of wing in embodiment using present device combination；
Fig. 2 (a), (b), (c) are to be combined into three differences of interval six-bar mechanism using present device application of the graphic chart in embodiment
The structural schematic diagram in direction, wherein (a) is interval six-bar mechanism main view direction shaft side figure, it (b) is interval six-bar mechanism main view side
To back side shaft side figure, (c) be interval six-bar mechanism left view direction shaft side figure；
Fig. 3 is adjustable length connecting rod schematic diagram in present device；
Fig. 4 is that installation frame schematic diagram is combined in present device；
Fig. 5 is slide block schematic diagram in present device；
In figure, 1 be connecting rod 1,2 be connecting rod 2,3 is map display pole, and 4 be connecting rod 3,5 be combination installation frame, and 6 be connecting rod 4,7
For sliding block, 8 be connecting rod 5,9 be connecting rod 6,10 be connecting rod 7,11 be interior bar connector, and 12 be screw, and 13 be interior club shaft, and 14 are
Screw, 15 be outer bar, and 16 be upside mounting rod, and 17 be distance block, and 18 be movable distance block, and 19 be downside mounting rod, and 20 be branch
Strut, 21 be corner brace, and 22 be pedestal bar 1,23 be pedestal bar 2.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings:
A kind of experimental facilities for mechanics innovation experimental teaching, comprising: length adjustable connecting rod, map display pole, combination peace
Installation frame；Hole on the length adjustable connecting rod and the combined installation rack is carried out using pin shaft and bearing hingedly, with complete
At relative rotation, the requirement of Plane Rotation pair is realized；As shown in figure 3, the length adjustable connecting rod includes interior bar, outer bar, interior bar
Connector, interior bar one end are mounted in outer dry slot, and the interior bar other end is fixedly connected with interior bar connector, the group of different length of connecting rods
It closes, to realize the conversion of the various mechanisms such as crank and rocker mechanism, rocker device, double-crank mechanism；The map display pole one
End with the length adjustable connecting rod by being hingedly fixedly connected, and specific position is drilled with different connections on the map display pole
Hole, for connecting map drawing apparatus, to realize that the long link combination than under different angle of different bars is drawn.
As shown in figure 4, the combination installation frame includes upside mounting rod, distance block, movable distance block, downside installation
Bar, support rod, pedestal bar 1, pedestal bar 2；Two pedestal bars 1 and two connections of pedestal bar 2 form square base, two bases
It is symmetrically installed the support rod on seat bar 1, two upside mounting rods are fixed on support rod by corner brace and distance block, with
The space and position of link motion are provided；Downside mounting rod both ends are connected by screw with two sides activity distance block, are installed
Between support rod, activity distance block in two sides can be moved up and down, and guarantee relative position by the friction between screw and support rod；
To increase stability, the interior bar is connect with interior bar connector by a pair of screws；The map display pole through hole pin connection
Itself and link angle are controlled, the long transformation than with different angle of different bars is realized, to draw out various types coupler-point curve.
The distance block plays the role of guaranteeing two mounting rods distance.
The activity distance block not only can guarantee two mounting rods distance but also downside mounting rod can be driven mobile.
The sliding block is relatively rotated by hingedly contacting with connecting rod, sliding block can in required sliding on planes, thus
Realize prismatic pair and rotation slave function.
The bar length of the length adjustable connecting rod is adjustable, so that once experiment can reach the long ratio combination of different bars, map is aobvious
Show that bar is fixed together and angled with connecting rod, is not sympathized with by the adjusting of the long ratio of each bar bar and the variation of angle to realize
The drafting of condition lower link curve spectrum；And four bars of specific function, six bars are realized using specific coupler-point curve motion profile
Movement mechanism.
Using apparatus as discussed above combine draw Curve of wing, as shown in Figure 1, one end of 1 outer bar of connecting rod and one of them
The hole of the upside mounting rod connects, and the interior bar of connecting rod 1 is connected with the interior bar of connecting rod 2, and it is aobvious that the outer bar of connecting rod 2 is separately connected map
Show that the outer bar of bar and connecting rod 3, the interior bar of connecting rod 3 are connect with upside mounting rod described in another, connecting rod 3 is used as driving link, drives
Entire mechanism kinematic, the motion profile on the top of map display pole are aerofoil profile, by display devices such as external sensors, can be used
In drawing air-foil, different bars length are adjusted than different air-foils can be obtained, are done for the exploitation and verification experimental verification of new aerofoil
Prepare.
As shown in Fig. 2, 4 outer bar one end of connecting rod connects the downside mounting rod, sliding block slides in the slot of connecting rod 4, sliding block
Map display pole one end is connected, the map display pole other end is separately connected one end of connecting rod 5 and connecting rod 6, the connection of 5 other end of connecting rod
One of them described upside mounting rod, 6 other end of connecting rod connect 7 one end of connecting rod, and 7 other end of connecting rod and another described upside are pacified
Bar connection is filled, connecting rod 5 is used as driving link, drives entire mechanism kinematic, and map display pole and sliding block are hinged, and sliding block and map are shown
Bar relatively rotates, and opposite slide occurs with connecting rod 4 and constitutes prismatic pair, constitutes interval six-bar mechanism, i.e., when connecting rod 5 rotates one week
In the process, almost remain stationary in specific position range inner link 4, more than the particular range connecting rod 4 with the rotation of connecting rod 5 and
It swings.
The above is only a preferred embodiment of the present invention, it should be pointed out that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications should also regard
For protection scope of the present invention.
Claims (6)
1. a kind of experimental facilities for mechanics innovation experimental teaching characterized by comprising length adjustable connecting rod, map
Display pole, combination installation frame；The length adjustable connecting rod is attached with the hole on the combined installation rack, the length
Spending adjustable connecting rods includes interior bar, outer bar, interior bar connector, and interior bar one end is mounted in outer dry slot, the interior bar other end and interior bar
Connector is fixedly connected, and map display pole one end with the length adjustable connecting rod by being hingedly fixedly connected, the figure
Specific position is drilled with different connecting holes on spectrum display pole, for connecting map drawing apparatus.
2. the experimental facilities according to claim 1 for mechanics innovation experimental teaching, which is characterized in that the combination peace
Installation frame includes upside mounting rod, distance block, movable distance block, downside mounting rod, support rod, pedestal bar 1, pedestal bar 2；Two
The pedestal bar 1 and the connection of two pedestal bars 2 form square base, are symmetrically installed the support rod on two pedestal bars 1, and two
The upside mounting rod is fixed on support rod by corner brace and distance block；Downside mounting rod both ends pass through screw and two sides
Movable distance block is connected, and is mounted between support rod.
3. the experimental facilities according to claim 1 or 2 for mechanics innovation experimental teaching, which is characterized in that the length
Degree adjustable connecting rods one end is attached with the hole on the upside mounting rod and following mounting rods.
4. the experimental facilities according to claim 3 for mechanics innovation experimental teaching, which is characterized in that the length can
Hole on mode connecting rod one end and the upside mounting rod and following mounting rods is carried out hinged using pin shaft and bearing.
5. the experimental facilities according to claim 1 for mechanics innovation experimental teaching, which is characterized in that the interior bar with
Interior bar connector is connected by a pair of screws.
6. the experimental facilities according to claim 1 for mechanics innovation experimental teaching, which is characterized in that the map is aobvious
Show that bar through hole pin connection controls itself and link angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910521814.2A CN110264851A (en) | 2019-06-17 | 2019-06-17 | A kind of experimental facilities for mechanics innovation experimental teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910521814.2A CN110264851A (en) | 2019-06-17 | 2019-06-17 | A kind of experimental facilities for mechanics innovation experimental teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110264851A true CN110264851A (en) | 2019-09-20 |
Family
ID=67918673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910521814.2A Pending CN110264851A (en) | 2019-06-17 | 2019-06-17 | A kind of experimental facilities for mechanics innovation experimental teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110264851A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2488128Y (en) * | 2001-03-28 | 2002-04-24 | 西南交通大学 | Experiment instrument assembled according to mechanical scheme |
| CN203311675U (en) * | 2013-06-04 | 2013-11-27 | 陕西科技大学 | Slide block-equipped four-rod mechanism teaching tool |
| CN203882529U (en) * | 2014-04-16 | 2014-10-15 | 吉林大学 | Four-bar linkage mechanism teaching demonstration prop |
| CN104134394A (en) * | 2014-08-15 | 2014-11-05 | 武汉理工大学 | Portable multifunctional link mechanism training aid |
| CN104464499A (en) * | 2015-01-08 | 2015-03-25 | 福州大学 | Novel student autonomous mechanism innovative design experiment platform and use method thereof |
| CN104464494A (en) * | 2014-12-25 | 2015-03-25 | 北京理工大学 | Teaching analyzing instrument of planar linkage mechanism |
| CN204480589U (en) * | 2015-03-24 | 2015-07-15 | 成都大学 | A kind of four-bar linkage Teaching instrument |
| CN205541615U (en) * | 2016-02-26 | 2016-08-31 | 邓稳 | Supplementary teaching device of high -order coupler curve map with adjustable |
| CN207038022U (en) * | 2017-05-22 | 2018-02-23 | 宁波大学 | A kind of four-link rod mechanism curvilinear path draws teaching aid |
| CN108062905A (en) * | 2018-01-28 | 2018-05-22 | 北京工业大学 | A kind of synthesis of mechanism demonstration teaching aid |
| CN109559623A (en) * | 2017-09-24 | 2019-04-02 | 湖北职业技术学院 | A kind of four-bar linkage Comprehensive Experiment teaching aid night bolt mutation shrinking connecting-rod |
-
2019
- 2019-06-17 CN CN201910521814.2A patent/CN110264851A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2488128Y (en) * | 2001-03-28 | 2002-04-24 | 西南交通大学 | Experiment instrument assembled according to mechanical scheme |
| CN203311675U (en) * | 2013-06-04 | 2013-11-27 | 陕西科技大学 | Slide block-equipped four-rod mechanism teaching tool |
| CN203882529U (en) * | 2014-04-16 | 2014-10-15 | 吉林大学 | Four-bar linkage mechanism teaching demonstration prop |
| CN104134394A (en) * | 2014-08-15 | 2014-11-05 | 武汉理工大学 | Portable multifunctional link mechanism training aid |
| CN104464494A (en) * | 2014-12-25 | 2015-03-25 | 北京理工大学 | Teaching analyzing instrument of planar linkage mechanism |
| CN104464499A (en) * | 2015-01-08 | 2015-03-25 | 福州大学 | Novel student autonomous mechanism innovative design experiment platform and use method thereof |
| CN204480589U (en) * | 2015-03-24 | 2015-07-15 | 成都大学 | A kind of four-bar linkage Teaching instrument |
| CN205541615U (en) * | 2016-02-26 | 2016-08-31 | 邓稳 | Supplementary teaching device of high -order coupler curve map with adjustable |
| CN207038022U (en) * | 2017-05-22 | 2018-02-23 | 宁波大学 | A kind of four-link rod mechanism curvilinear path draws teaching aid |
| CN109559623A (en) * | 2017-09-24 | 2019-04-02 | 湖北职业技术学院 | A kind of four-bar linkage Comprehensive Experiment teaching aid night bolt mutation shrinking connecting-rod |
| CN108062905A (en) * | 2018-01-28 | 2018-05-22 | 北京工业大学 | A kind of synthesis of mechanism demonstration teaching aid |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10234003B2 (en) | Apparatus for converting motion | |
| CN104326368A (en) | Gravity compensation device for solar wing low temperature unfolding experiment | |
| US618990A (en) | The norris peters co | |
| US3982715A (en) | Adjustable tool positioning structure | |
| DE602005008283D1 (en) | DOUBLE MOVEMENT OPENING SYSTEM FOR DIVING UNITS | |
| CN110264851A (en) | A kind of experimental facilities for mechanics innovation experimental teaching | |
| CN109794032A (en) | A kind of the Physical Education Of the College indoor body-building equipment | |
| CN106593158B (en) | The Jing Yin position-limit mechanism of damping of furniture turning device | |
| CN204032814U (en) | A kind of Long Distances Adjustable Angle Hinge | |
| CN207905611U (en) | A kind of folding shutter | |
| CN209734152U (en) | full passive type main operation hand | |
| CN210955801U (en) | Experimental equipment for mechanism innovation experiment teaching | |
| CN218563428U (en) | Assembled corner-adjustable folding window | |
| CN109795715B (en) | Three-degree-of-freedom and single-degree-of-freedom gesture comprehensive debugging platform of general aircraft | |
| CN207598103U (en) | A kind of synchro switch door gear | |
| CN208179588U (en) | The eye structure and robot of robot | |
| CN104134394B (en) | Portable multi-function linkage teaching aid | |
| CN207583209U (en) | Centering type hinge and collapsible door and window | |
| CN106639720B (en) | The damping forces location mechanism of furniture turning device | |
| CN107091724B (en) | A kind of wind tunnel model gravity adjusting device | |
| CN101301753A (en) | Oscillating arm type six-freedom-degree mechanism | |
| CN106826775B (en) | Isotropic space two-degree-of-freedom rotating parallel robot | |
| CN206097619U (en) | Simple pendulum presentation device | |
| CN205879968U (en) | Ammeter detection device | |
| CN220769177U (en) | Adjustable hinge and adjustable aluminum alloy door and window |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |