CN109036011A - A kind of resonance swing exhibition article - Google Patents
A kind of resonance swing exhibition article Download PDFInfo
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- CN109036011A CN109036011A CN201810769505.2A CN201810769505A CN109036011A CN 109036011 A CN109036011 A CN 109036011A CN 201810769505 A CN201810769505 A CN 201810769505A CN 109036011 A CN109036011 A CN 109036011A
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- main
- pendulum mass
- swing rope
- axle
- swing
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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
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
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- General Physics & Mathematics (AREA)
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- Mathematical Physics (AREA)
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- Mathematical Optimization (AREA)
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- Pure & Applied Mathematics (AREA)
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- Computational Mathematics (AREA)
- Business, Economics & Management (AREA)
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- Theoretical Computer Science (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of resonance to swing exhibition article, hanger bracket is equipped with the first installation axle, connecting shaft part, suspended axle, suspended axle is arranged in parallel in below the first installation axle and may be rotatably mounted in the first installation axle by connecting shaft part, first main pendulum mass is rotatably connected by the first main swing rope with suspended axle, first secondary pendulum mass is rotatably connected by the first secondary swing rope with suspended axle, second secondary pendulum mass is rotatably connected by the second secondary swing rope with suspended axle, first main swing rope and the first secondary swing rope equal length, the second secondary swing rope and the first main swing rope length are unequal.Exhibition article is swung by the resonance of above-mentioned optimization design, the different main pendulum of swing rope length and secondary pendulum are set, swinging resonance by main pendulum drives secondary pendulum to swing, and the resonance amplitude of oscillation of the secondary pendulum of different swing rope length is intuitively shown, thus the physical phenomenon for making experiencer's intuitivism apprehension resonate.
Description
Technical field
The present invention relates to sci-tech exhibit technical fields more particularly to a kind of resonance to swing exhibition article.
Background technique
Common science popularization learning tool is in a manner of direct reading text, the intuitional and experiential thinking etc. mostly.Resonance is physically fixed
Justice is the identical object of two vibration frequencies, when vibrating for one, the phenomenon that causing another object vibration.Due to this
Physical phenomenon is more abstract, and the narration of science popularization text is many and diverse, often user is allowed to read over without patience, cannot more cause children
Reading interest, thus to science popularization content understand it is very few, be unable to reach science popularization effect.
Summary of the invention
To solve technical problem present in background technique, the present invention proposes that a kind of resonance swings exhibition article.
A kind of resonance proposed by the present invention swings exhibition article, comprising: hanger bracket, the first main pendulum mass, the first secondary pendulum mass, the
Second mate's pendulum mass；
Hanger bracket is equipped with the first installation axle, connecting shaft part, suspended axle, and the first installation axle is horizontally set on hanger bracket, even
Shaft member may be rotatably mounted in the first installation axle, and suspended axle is located at below the first installation axle and is parallel to the setting of the first installation axle,
Suspended axle is rotatably connected with connecting shaft part；
First main pendulum mass is rotatably connected by the first main swing rope with suspended axle, the first secondary pendulum mass by the first secondary swing rope with
Suspended axle is rotatably connected, and the second secondary pendulum mass is rotatably connected by the second secondary swing rope with suspended axle, the first main swing rope and first
Secondary swing rope equal length, the second secondary swing rope and the first main swing rope length are unequal.
It preferably, further include the first positioning mechanism, the first positioning mechanism is located at the first main pendulum mass side for main to first
The initial position of pendulum mass is positioned.
Preferably, the first positioning mechanism is equipped with electromagnet, and the first main pendulum mass is equipped with the absorption magnetic cooperated with electromagnet
Block.
Preferably, the first positioning mechanism is located at the first main pendulum mass and swings on camber line.
Preferably, the second installation axle is additionally provided on hanger bracket, the second installation axle is parallel to the setting of the first installation axle, the second peace
It fills axis and is equipped with rotatably mounted pivoted frame, the setting of the first positioning mechanism is in the first main pendulum mass side of pivoted frame direction.
It preferably, further include the second main pendulum mass, the second main pendulum mass is rotatably connected by the second main swing rope with suspended axle, the
Two main swing ropes and the second secondary swing rope equal length.
Preferably, the first main pendulum mass, the second main pendulum mass, the first secondary pendulum mass, the second secondary pendulum mass are located parallel to suspended axle
On same straight line.
Preferably, the first main swing rope there are two being set on the first main pendulum mass, two the first main swing rope equal lengths.
In the present invention, the resonance proposed swings exhibition article, and hanger bracket is equipped with the first installation axle, connecting shaft part, suspension
Axis, suspended axle are arranged in parallel in below the first installation axle and may be rotatably mounted in the first installation axle by connecting shaft part, and first is main
Pendulum mass is rotatably connected by the first main swing rope with suspended axle, and the first secondary pendulum mass is rotatably connected by the first secondary swing rope with suspended axle
It connecing, the second secondary pendulum mass is rotatably connected by the second secondary swing rope with suspended axle, the first main swing rope and the first secondary swing rope equal length,
Second secondary swing rope and the first main swing rope length are unequal.Exhibition article is swung by the resonance of above-mentioned optimization design, swing rope is set
The different main pendulum of length and secondary pendulum swing resonance by main pendulum and secondary pendulum are driven to swing, and intuitively show the secondary pendulum of different swing rope length
The resonance amplitude of oscillation, thus make experiencer's intuitivism apprehension resonate physical phenomenon.
Detailed description of the invention
Fig. 1 is the schematic view of the front view that a kind of resonance proposed by the present invention swings exhibition article.
Fig. 2 is the side structure schematic view that a kind of resonance proposed by the present invention swings exhibition article.
Specific embodiment
As illustrated in fig. 1 and 2, Fig. 1 is the structural schematic diagram that a kind of resonance proposed by the present invention swings exhibition article, and Fig. 2 is
A kind of resonance proposed by the present invention swings the side structure schematic view of exhibition article.
Referring to Fig.1 with 2, a kind of resonance proposed by the present invention swings exhibition article, comprising: hanger bracket 1, the first main pendulum mass 2,
The first secondary pendulum mass 5 of secondary pendulum mass 4, second；
Hanger bracket 1 is equipped with the first installation axle 11, connecting shaft part 12, suspended axle 13, and the first installation axle 11 is horizontally set on outstanding
On hanger 1, connecting shaft part 12 be may be rotatably mounted in the first installation axle 11, and suspended axle 13 is located at below the first installation axle 11 and parallel
It is arranged in the first installation axle 11, suspended axle 13 is rotatably connected with connecting shaft part 12；
First main pendulum mass 2 is rotatably connected by the first main swing rope with suspended axle 13, and the first secondary pendulum mass 4 passes through the first secondary pendulum
Rope is rotatably connected with suspended axle 13, and the second secondary pendulum mass 5 is rotatably connected by the second secondary swing rope with suspended axle 13, the first main pendulum
Rope and the first secondary swing rope equal length, the second secondary swing rope and the first main swing rope length are unequal.
The resonance of the present embodiment is swung in the specific work process of exhibition article, and main pendulum mass is swung, and suspended axle is driven to surround
First installation axle is swung, to drive the first secondary pendulum mass and the second secondary pendulum mass to swing by resonance, during the swing, first is secondary
The swing rope equal length of pendulum mass and the first main pendulum mass, thus, it can be observed that the first secondary pendulum mass is suitable with the first main pendulum mass amplitude of oscillation,
And the second secondary pendulum mass amplitude of oscillation is smaller.
In the present embodiment, the resonance that is proposed swings exhibition article, hanger bracket be equipped with the first installation axle, connecting shaft part,
Suspended axle, suspended axle are arranged in parallel in below the first installation axle and may be rotatably mounted in the first installation axle by connecting shaft part, the
One main pendulum mass is rotatably connected by the first main swing rope with suspended axle, and the first secondary pendulum mass can be turned by the first secondary swing rope with suspended axle
Dynamic connection, the second secondary pendulum mass are rotatably connected by the second secondary swing rope with suspended axle, the first main swing rope and the first secondary swing rope length
Equal, the second secondary swing rope and the first main swing rope length are unequal.Exhibition article, setting are swung by the resonance of above-mentioned optimization design
The different main pendulum of swing rope length and secondary pendulum swing resonance by main pendulum and secondary pendulum are driven to swing, intuitively show different swing rope length
The resonance amplitude of oscillation of pair pendulum, thus the physical phenomenon for making experiencer's intuitivism apprehension resonate.
It in a specific embodiment, further include the first positioning mechanism 6, the first positioning mechanism 6 is located at the first main 2 side of pendulum mass
It positions for the initial position to the first main pendulum mass 2, by the way that positioning mechanism is arranged, the initial position of main pendulum mass is determined
Position, to control the swing of main pendulum mass.
In further specific embodiment, the first positioning mechanism 6 be equipped with electromagnet, the first main pendulum mass 2 be equipped with
The absorption magnetic patch of electromagnet cooperation, the first positioning mechanism carry out initial alignment to main pendulum mass by electromagnetic action, convenient for control master
Pendulum mass is swung.
In the specific set-up mode of the first positioning mechanism, the second installation axle 14, the second installation axle are additionally provided on hanger bracket 1
14 are parallel to the setting of the first installation axle 11, and the second installation axle 14 is equipped with rotatably mounted pivoted frame 7, and the first positioning mechanism 6 is set
It sets in pivoted frame 7 towards the first main 2 side of pendulum mass；Convenient for adjusting the position of the first positioning mechanism, to adjust the initial of main pendulum mass
Position.
First positioning mechanism 6 is located at the first main pendulum mass 2 and swings on camber line, improves positioning accuracy.
It further include the second main pendulum mass 3, the second main pendulum mass 3 is by the second main swing rope and hangs in other specific embodiments
Hanging scroll 13 is rotatably connected, the second main swing rope and the second secondary swing rope equal length, passes through setting corresponding with the second pair swing rope the
Two main pendulum masses, so that observation is more intuitive.
In order to more intuitively experience the pendulum mass resonance effect of different swing rope length, in further specific embodiment,
First main pendulum mass 2, the second secondary pendulum mass 5 of main the 3, first secondary pendulum mass 4, second of pendulum mass are located parallel to the same straight line of suspended axle 13
On.
In the specific set-up mode of swing rope, set on the first main pendulum mass 2 there are two the first main swing rope, two the first main swing ropes
Equal length improves the stability that pendulum mass is swung by the way that two swing ropes are arranged.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of resonance swings exhibition article characterized by comprising hanger bracket (1), the first main pendulum mass (2), the first secondary pendulum mass
(4), the second secondary pendulum mass (5)；
Hanger bracket (1) is equipped with the first installation axle (11), connecting shaft part (12), suspended axle (13), and the first installation axle (11) level is set
It sets on hanger bracket (1), connecting shaft part (12) may be rotatably mounted on the first installation axle (11), and suspended axle (13) is located at the first installation
Below axis (11) and it is parallel to the first installation axle (11) setting, suspended axle (13) is rotatably connected with connecting shaft part (12)；
First main pendulum mass (2) is rotatably connected by the first main swing rope with suspended axle (13), and the first secondary pendulum mass (4) is secondary by first
Swing rope is rotatably connected with suspended axle (13), and the second secondary pendulum mass (5) is rotatably connected by the second secondary swing rope with suspended axle (13),
First main swing rope and the first secondary swing rope equal length, the second secondary swing rope and the first main swing rope length are unequal.
2. resonance according to claim 1 swings exhibition article, which is characterized in that it further include the first positioning mechanism (6), the
One positioning mechanism (6) is located at the first main pendulum mass (2) side for positioning to the initial position of the first main pendulum mass (2).
3. resonance according to claim 2 swings exhibition article, which is characterized in that the first positioning mechanism (6) is equipped with electricity
Magnet, the first main pendulum mass (2) are equipped with the absorption magnetic patch cooperated with electromagnet.
4. resonance according to claim 2 or 3 swings exhibition article, which is characterized in that the first positioning mechanism (6) is located at the
One main pendulum mass (2) swings on camber line.
5. resonance according to claim 2 swings exhibition article, which is characterized in that hanger bracket is additionally provided with the second peace on (1)
It fills axis (14), the second installation axle (14) is parallel to the first installation axle (11) setting, and the second installation axle (14) is equipped with rotatably peace
The pivoted frame (7) of dress, the first positioning mechanism (6) setting is in the first main pendulum mass (2) side of pivoted frame (7) direction.
6. resonance according to claim 1 swings exhibition article, which is characterized in that it further include the second main pendulum mass (3), second
Main pendulum mass (3) is rotatably connected by the second main swing rope with suspended axle (13), the second main swing rope and the second secondary swing rope equal length.
7. resonance according to claim 6 swings exhibition article, which is characterized in that the first main pendulum mass (2), the second main pendulum mass
(3), the first secondary pendulum mass (4), the second secondary pendulum mass (5) are located parallel on the same straight line of suspended axle (13).
8. resonance according to claim 1 swings exhibition article, which is characterized in that there are two being set on the first main pendulum mass (2)
First main swing rope, two the first main swing rope equal lengths.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810769505.2A CN109036011A (en) | 2018-07-13 | 2018-07-13 | A kind of resonance swing exhibition article |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810769505.2A CN109036011A (en) | 2018-07-13 | 2018-07-13 | A kind of resonance swing exhibition article |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109036011A true CN109036011A (en) | 2018-12-18 |
Family
ID=64641317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810769505.2A Pending CN109036011A (en) | 2018-07-13 | 2018-07-13 | A kind of resonance swing exhibition article |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109036011A (en) |
Citations (9)
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|---|---|---|---|---|
| CN201364675Y (en) * | 2009-03-10 | 2009-12-16 | 王建胡 | Forced vibration and resonance demonstrating experiment device |
| CN102306465A (en) * | 2011-07-11 | 2012-01-04 | 北京邮电大学 | Coupling simple-pendulum experimental device built by using small magnetic steel and measurement method thereof |
| CN202306905U (en) * | 2011-10-31 | 2012-07-04 | 侯传国 | Simple pendulum device |
| CN202549118U (en) * | 2012-04-07 | 2012-11-21 | 宋雷 | Resonance experiment instrument |
| CN203588523U (en) * | 2013-11-08 | 2014-05-07 | 西安理工大学 | Resonance demonstration instrument enabling variable vibration frequencies |
| CN204045079U (en) * | 2014-08-14 | 2014-12-24 | 北京理工大学 | Solitary wave demonstrator |
| CN206322388U (en) * | 2016-12-13 | 2017-07-11 | 深圳科学高中 | The small single pendulum of vacuum |
| CN107798967A (en) * | 2017-11-19 | 2018-03-13 | 李洪玉 | Conservation of mechanical energy validating instrument |
| CN207182743U (en) * | 2017-06-21 | 2018-04-03 | 中国人民解放军军械工程学院 | Combined type resonance test demonstrating instrument |
-
2018
- 2018-07-13 CN CN201810769505.2A patent/CN109036011A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201364675Y (en) * | 2009-03-10 | 2009-12-16 | 王建胡 | Forced vibration and resonance demonstrating experiment device |
| CN102306465A (en) * | 2011-07-11 | 2012-01-04 | 北京邮电大学 | Coupling simple-pendulum experimental device built by using small magnetic steel and measurement method thereof |
| CN202306905U (en) * | 2011-10-31 | 2012-07-04 | 侯传国 | Simple pendulum device |
| CN202549118U (en) * | 2012-04-07 | 2012-11-21 | 宋雷 | Resonance experiment instrument |
| CN203588523U (en) * | 2013-11-08 | 2014-05-07 | 西安理工大学 | Resonance demonstration instrument enabling variable vibration frequencies |
| CN204045079U (en) * | 2014-08-14 | 2014-12-24 | 北京理工大学 | Solitary wave demonstrator |
| CN206322388U (en) * | 2016-12-13 | 2017-07-11 | 深圳科学高中 | The small single pendulum of vacuum |
| CN207182743U (en) * | 2017-06-21 | 2018-04-03 | 中国人民解放军军械工程学院 | Combined type resonance test demonstrating instrument |
| CN107798967A (en) * | 2017-11-19 | 2018-03-13 | 李洪玉 | Conservation of mechanical energy validating instrument |
Non-Patent Citations (3)
| Title |
|---|
| 何捷: ""共振摆的正确使用"", 《物理实验》 * |
| 刘银奎: ""共振摆的改进"", 《物理教师》 * |
| 王浙伟: ""‘受迫振动、共振’演示实验的研究与改进"", 《物理实验》 * |
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Application publication date: 20181218 |
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| RJ01 | Rejection of invention patent application after publication |