CN108777104A - A kind of physics teaching elastic collision demonstration device - Google Patents
A kind of physics teaching elastic collision demonstration device Download PDFInfo
- Publication number
- CN108777104A CN108777104A CN201810492333.9A CN201810492333A CN108777104A CN 108777104 A CN108777104 A CN 108777104A CN 201810492333 A CN201810492333 A CN 201810492333A CN 108777104 A CN108777104 A CN 108777104A
- Authority
- CN
- China
- Prior art keywords
- sunpender
- housing
- cover
- bearing holder
- barred body
- 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.)
- Granted
Links
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 230000000694 effects Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005381 potential energy Methods 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
- 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
-
- 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
- G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
- G09B23/10—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of solid bodies
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Algebra (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Physics (AREA)
- Computational Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Pivots And Pivotal Connections (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention discloses a kind of physics teaching elastic collision demonstration devices,Including column,Main shaft,Sunpender bearing holder (housing, cover),Collide sphere,Barred body bearing holder (housing, cover),React barred body,Sleeve,Limit concave ring,Spring washer,Connector,Lacing wire,Resetting spring,Mounting bracket,Locking member,Geometrical clamp gripping member,Upper head plate,Bottom plate,Clamping screw,Holding tank and sunpender,Elastic collision demonstration device of the present invention is easy to use,It is easy to carry,And it is highly convenient for observing,The determinant of rotary inertia can be directly shown by demonstration and its to the influence of Rigid Body in Rotation With,Angular momentum and rotational kinetic energy are embodied indirectly,And verify its law of conservation,To these gradual clear concepts and correct understanding its relevant rule,Phenomenon is apparent,Conclusion is intuitive,Be conducive to student to think independently,Learning atmosphere is lively,Device installation simultaneously is simple and convenient,It need to only be fixed at table edge,Greatly reduce the area of shared experimental bench,Facilitate other experiment articles of placement.
Description
Technical field：
The present invention relates to instructional technology field, more particularly to a kind of physics teaching elastic collision demonstration device.
Background technology：
In the ideal case, after object collision, deformation can restore, and not generate heat, sounding, and without kinetic energy rejection, this collision claims
For elastic collision, also known as perfectly elastic impact, real elastic collision only just can between molecule, atom and smaller particle
Occur.In life, when hard wooden shot or steel ball collide, loss of energy very little is moved, can be ignored, can generally also incited somebody to action
Elastic collision is regarded in their collision as, in physics teaching, is related to the energy conversion such as potential energy of object and is converted to kinetic energy, sphere
The conversion of energy after progress elastic collision, it is relatively more abstract since energy is not a kind of things that naked eyes can be visually seen, merely
Reference law, theory carry out teaching and are difficult to play good effect of giving lessons.
Invention content：
The purpose of the present invention is that solve the above-mentioned problems and provides a kind of physics teaching elastic collision demonstration device, solves
It has determined problem of the existing technology.
To solve the above-mentioned problems, the present invention provides a kind of technical solutions：
A kind of physics teaching elastic collision demonstration device, including column are fixed at the column top and are plugged with main shaft, and institute
It states main shaft one end and is nested with sunpender bearing holder (housing, cover) across the column activity, the sunpender bearing holder (housing, cover) is fixedly connected with sunpender, and institute
State and be installed with collision sphere at boom foot, on the main shaft of sunpender bearing holder (housing, cover) both sides equal activity be nested with barred body
Bearing holder (housing, cover), the barred body bearing holder (housing, cover) are fixedly connected with reaction barred body, there are two the reaction barred body is set, and the reaction barred body it
Between be arranged in parallel, the reaction barred body bottom end activity is nested with sleeve, and the sleeve is fixedly installed in limit concave ring bayonet two
End, the limit concave ring concave surface are installed with spring washer, and the collision sphere and the spring washer Elastic Contact.
Preferably, the column bottom end is nested with mounting bracket, and locking member is embedded on the mounting bracket, the lock
Tight part is closely pressed across the mounting bracket with the leg surface, and described mounting bracket one end is equipped with the fixation having a style of one's own with it
Clamping piece, the geometrical clamp gripping member includes upper head plate and bottom plate, and is formed between the upper head plate and the bottom plate
Holding tank, the geometrical clamp gripping member is by the holding tank fixed clamp at table edge.
Preferably, the main shaft other end fixation is nested with connector, the connector passes through lacing wire and the column
Elastic connection, and offer resetting spring in the lacing wire.
Preferably, the reaction barred body top end is fixedly connected by screw with the barred body bearing holder (housing, cover).
Preferably, the sunpender top end opens up threaded end, and the sunpender connects with the sunpender bearing external threading
It connects.
Preferably, the limit concave ring is made of aluminium material.
Preferably, clamping screw is embedded on the upper head plate, and described clamping screw one end passes through the upper head plate
It extends in the holding tank.
Preferably, the collision sphere is made of steel material.
Beneficial effects of the present invention：
Structure of the invention is compact, and this elastic collision demonstration device is easy to use, easy to carry, and is highly convenient for observing, and leads to
The determinant of rotary inertia and its influence to Rigid Body in Rotation With can directly be shown by crossing demonstration, embody angular momentum and rotation indirectly
Kinetic energy, and verify its law of conservation, to these gradual clear concepts and correct understanding its relevant rule, phenomenon is apparent, knot
By intuitive, be conducive to student and think independently, Learning atmosphere is lively, while device installation is simple and convenient, need to only be fixed on
At table edge, the area of shared experimental bench is greatly reduced, facilitates other experiment articles of placement, with good economic efficiency and society
Meeting benefit, suitable for promoting the use of.
Description of the drawings：
The present invention is described in detail by following specific implementations and attached drawing for ease of explanation,.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the limit concave ring structure schematic diagram of the present invention.
In figure；1, column, 2, main shaft, 3, sunpender bearing holder (housing, cover), 4, collision sphere, 5, barred body bearing holder (housing, cover), 6, reaction barred body, 7,
Sleeve, 8, limit concave ring, 9, spring washer, 10, connector, 11, lacing wire, 12, resetting spring, 13, mounting bracket, 14, locking member,
15, geometrical clamp gripping member, 16, upper head plate, 17, bottom plate, 18, clamping screw, 19, holding tank, 20, sunpender.
Specific implementation mode：
As shown in Figs. 1-2, present embodiment uses following technical scheme：A kind of physics teaching elastic collision demonstration dress
It sets, including column 1, the fixation of 1 top end of the column is plugged with main shaft 2, and 2 one end of the main shaft passes through 1 activity of the column
It is nested with sunpender bearing holder (housing, cover) 3, the sunpender bearing holder (housing, cover) 3 is fixedly connected with sunpender 20, and is fixedly mounted at 20 bottom of the sunpender
Have collision sphere 4, on the main shaft 2 of 3 both sides of sunpender bearing holder (housing, cover) activity be nested with barred body bearing holder (housing, cover) 5, the barred body
Bearing holder (housing, cover) 5 is fixedly connected with reaction barred body 6, there are two the reaction barred body 6 is set, and is arranged in parallel between the reaction barred body 6,
The 6 bottom end activity of reaction barred body is nested with sleeve 7, and the sleeve 7 is fixedly installed in 8 bayonet both ends of limit concave ring, described
Limit 8 concave surface of concave ring is installed with spring washer 9, and the collision sphere 4 and 9 Elastic Contact of the spring washer.
Wherein, 1 bottom end of the column is nested with mounting bracket 13, and locking member 14 is embedded on the mounting bracket 13, institute
It states locking member 14 closely to press with 1 surface of the column across the mounting bracket 13,13 one end of the mounting bracket is equipped with it certainly
Integral geometrical clamp gripping member 15, the geometrical clamp gripping member 15 include upper head plate 16 and bottom plate 17, and the upper head plate 16
Holding tank 19 is formed between the bottom plate 17, the geometrical clamp gripping member 15 is by 19 fixed clamp of the holding tank in table
At so that device installation is simple and convenient, need to only be fixed at table edge, greatly reduces the area of shared experimental bench, convenient
Place other experiment articles.
The fixation of 2 other end of the main shaft is nested with connector 10, and the connector 10 passes through lacing wire 11 and 1 bullet of the column
Property connection, by lacing wire 11 can play the role of balance swivel, ensure that the stability of experiment, and opened up in the lacing wire 11
There are resetting spring 12,6 top end of reaction barred body to be fixedly connected with the barred body bearing holder (housing, cover) 5 by screw, the sunpender 20
Top end opens up threaded end, and the sunpender 20 is threadedly coupled with the sunpender bearing holder (housing, cover) 3, ensure that collision sphere 4 and hangs
The barycenter of bar 20 is on same plumb line, improves the accuracy of experiment, the limit concave ring 8 is made of aluminium material, described
Clamping screw 18 is embedded on upper head plate 16, and 18 one end of the clamping screw extends to the clamping across the upper head plate 16
In slot 19, the collision sphere 4 is made of steel material.
The present invention use state be：In use, sunpender 20 is threadedly coupled with sunpender bearing holder (housing, cover) 3, collision sphere 4 ensure that
It is on same plumb line with the barycenter of sunpender 20, improves the accuracy of experiment, limit concave ring 8 is made of aluminium material, can be with
Ignore the quality of limit concave ring 8 so that can ensure that collision sphere 4 when experiment and react the reality tested between barred body 6
Data accuracy is tested, in use, by adjustable geometrical clamp gripping member 15 so that device installation is simple and convenient, is only needed
It is fixed at table edge, greatly reduces the area of shared experimental bench, facilitate other experiment articles of placement.
Structure of the invention is compact, and this elastic collision demonstration device is easy to use, easy to carry, and is highly convenient for seeing
It examines, the determinant of rotary inertia can directly be shown by demonstration and its to the influence of Rigid Body in Rotation With, embodies angular momentum indirectly
And rotational kinetic energy, and its law of conservation is verified, to which simultaneously its relevant rule of correct understanding, phenomenon are bright for these gradual clear concepts
Aobvious, conclusion is intuitive, is conducive to student and thinks independently, and Learning atmosphere is lively, while device installation is simple and convenient, need to only consolidate
At table edge, the area of shared experimental bench is greatly reduced, facilitates other experiment articles of placement, it is with good economic efficiency
And social benefit, suitable for promoting the use of.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, the technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
1. a kind of physics teaching elastic collision demonstration device, including column（1）, which is characterized in that the column（1）Top end
Fixation is plugged with main shaft（2）, and the main shaft（2）One end passes through the column（1）Activity is nested with sunpender bearing holder (housing, cover)（3）, institute
State sunpender bearing holder (housing, cover)（3）It is fixedly connected with sunpender（20）, and the sunpender（20）Collision sphere is installed at bottom（4）,
The sunpender bearing holder (housing, cover)（3）The main shaft of both sides（2）Upper equal activity is nested with barred body bearing holder (housing, cover)（5）, the barred body bearing holder (housing, cover)
（5）It is fixedly connected with reaction barred body（6）, the reaction barred body（6）There are two if, and the reaction barred body（6）Between parallel set
It sets, the reaction barred body（6）Bottom end activity is nested with sleeve（7）, the sleeve（7）It is fixedly installed in limit concave ring（8）Card
Mouth both ends, the limit concave ring（8）Concave surface is installed with spring washer（9）, and the collision sphere（4）With the spring
Washer（9）Elastic Contact.
2. a kind of physics teaching elastic collision demonstration device according to claim 1, it is characterised in that：The column
（1）Bottom end is nested with mounting bracket（13）, and the mounting bracket（13）On be embedded with locking member（14）, the locking member（14）It wears
Cross the mounting bracket（13）With the column（1）Surface closely presses, the mounting bracket（13）One end is equipped with has a style of one's own with it
Geometrical clamp gripping member（15）, the geometrical clamp gripping member（15）It include upper head plate（16）And bottom plate（17）, and the upper head plate
（16）With the bottom plate（17）Between be formed with holding tank（19）, the geometrical clamp gripping member（15）Pass through the holding tank（19）
Fixed clamp is at table edge.
3. a kind of physics teaching elastic collision demonstration device according to claim 2, it is characterised in that：The main shaft
（2）Other end fixation is nested with connector（10）, the connector（10）Pass through lacing wire（11）With the column（1）Elasticity is even
It connects, and the lacing wire（11）On offer resetting spring（12）.
4. a kind of physics teaching elastic collision demonstration device according to claim 3, it is characterised in that：The reaction stick
Body（6）Top end passes through screw and the barred body bearing holder (housing, cover)（5）It is fixedly connected.
5. a kind of physics teaching elastic collision demonstration device according to claim 4, it is characterised in that：The sunpender
（20）Top end opens up threaded end, and the sunpender（20）With the sunpender bearing holder (housing, cover)（3）It is threadedly coupled.
6. a kind of physics teaching elastic collision demonstration device according to claim 5, it is characterised in that：The upper head plate
（16）On be embedded with clamping screw（18）, and the clamping screw（18）One end passes through the upper head plate（16）Extend to the folder
Hold slot（19）It is interior.
7. a kind of physics teaching elastic collision demonstration device according to claim 1, it is characterised in that：The limit is recessed
Ring（8）It is made of aluminium material.
8. a kind of physics teaching elastic collision demonstration device according to claim 1, it is characterised in that：The collision ball
Body（4）It is made of steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810492333.9A CN108777104B (en) | 2018-05-22 | 2018-05-22 | Elastic collision demonstration device for physics teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810492333.9A CN108777104B (en) | 2018-05-22 | 2018-05-22 | Elastic collision demonstration device for physics teaching |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108777104A true CN108777104A (en) | 2018-11-09 |
| CN108777104B CN108777104B (en) | 2020-09-04 |
Family
ID=64027384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810492333.9A Active CN108777104B (en) | 2018-05-22 | 2018-05-22 | Elastic collision demonstration device for physics teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108777104B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109712486A (en) * | 2019-03-15 | 2019-05-03 | 重庆电子工程职业学院 | A kind of modular physics demonstration device |
| CN114360336A (en) * | 2021-12-23 | 2022-04-15 | 青岛理工大学 | Elastic collision demonstration device for physics teaching |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1201867A1 (en) * | 1984-06-05 | 1985-12-30 | Leonid D Ivanov | Teaching=aid device on physics |
| KR20100002661U (en) * | 2008-08-30 | 2010-03-10 | 원종호 | Elastic Collision Apparatus With Magnet |
| CN203825891U (en) * | 2014-01-15 | 2014-09-10 | 中国航天员科研训练中心 | Sphere pendulum bumping device suitable for space environment |
| CN204143705U (en) * | 2014-11-11 | 2015-02-04 | 唐山学院 | The checking momentum conservation of elastic collision and two experiment with simple pendulum devices of conservation of mechanical energy |
| CN204348183U (en) * | 2015-01-13 | 2015-05-20 | 江南大学 | Rigid Body Collision experiment instrument |
| CN205862661U (en) * | 2016-03-16 | 2017-01-04 | 九江学院 | A kind of energy converts teaching demonstration device |
| CN206726589U (en) * | 2017-04-10 | 2017-12-08 | 刘展赫 | A kind of elastic potential energy experimental provision for being easy to high school student to understand |
-
2018
- 2018-05-22 CN CN201810492333.9A patent/CN108777104B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1201867A1 (en) * | 1984-06-05 | 1985-12-30 | Leonid D Ivanov | Teaching=aid device on physics |
| KR20100002661U (en) * | 2008-08-30 | 2010-03-10 | 원종호 | Elastic Collision Apparatus With Magnet |
| CN203825891U (en) * | 2014-01-15 | 2014-09-10 | 中国航天员科研训练中心 | Sphere pendulum bumping device suitable for space environment |
| CN204143705U (en) * | 2014-11-11 | 2015-02-04 | 唐山学院 | The checking momentum conservation of elastic collision and two experiment with simple pendulum devices of conservation of mechanical energy |
| CN204348183U (en) * | 2015-01-13 | 2015-05-20 | 江南大学 | Rigid Body Collision experiment instrument |
| CN205862661U (en) * | 2016-03-16 | 2017-01-04 | 九江学院 | A kind of energy converts teaching demonstration device |
| CN206726589U (en) * | 2017-04-10 | 2017-12-08 | 刘展赫 | A kind of elastic potential energy experimental provision for being easy to high school student to understand |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109712486A (en) * | 2019-03-15 | 2019-05-03 | 重庆电子工程职业学院 | A kind of modular physics demonstration device |
| CN114360336A (en) * | 2021-12-23 | 2022-04-15 | 青岛理工大学 | Elastic collision demonstration device for physics teaching |
| CN114360336B (en) * | 2021-12-23 | 2024-07-23 | 青岛理工大学 | Elastic collision demonstration device for physical teaching |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108777104B (en) | 2020-09-04 |
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| 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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200805 Address after: 264006 No. 32, Yantai economic and Technological Development Zone, Shandong, Zhujianglu Road Applicant after: Sun Limin Address before: 264000 No. 14 Yu Yu Xi Road, Zhifu District, Shandong, Yantai Applicant before: Sun Lijun |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211213 Address after: 264006 room 2101, building 1, No. 200, Changjiang Road, Yantai Development Zone, Yantai area, China (Shandong) pilot Free Trade Zone, Yantai City, Shandong Province Patentee after: Yantai Huateng Technology Co.,Ltd. Address before: 264006 No. 32, Yantai economic and Technological Development Zone, Shandong, Zhujianglu Road Patentee before: Sun Limin |
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| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Elastic collision demonstration device for Physics Teaching Effective date of registration: 20211217 Granted publication date: 20200904 Pledgee: Yantai Sangao Intellectual Property Agency Co.,Ltd. Pledgor: Yantai Huateng Technology Co.,Ltd. Registration number: Y2021980015309 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220614 Granted publication date: 20200904 Pledgee: Yantai Sangao Intellectual Property Agency Co.,Ltd. Pledgor: Yantai Huateng Technology Co.,Ltd. Registration number: Y2021980015309 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |