CN108877422A - A kind of Physical Experiment freely falling body device - Google Patents
A kind of Physical Experiment freely falling body device Download PDFInfo
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- CN108877422A CN108877422A CN201810802193.0A CN201810802193A CN108877422A CN 108877422 A CN108877422 A CN 108877422A CN 201810802193 A CN201810802193 A CN 201810802193A CN 108877422 A CN108877422 A CN 108877422A
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- support rod
- slide
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- 230000001681 protective effect Effects 0.000 claims description 17
- 210000000515 tooth Anatomy 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 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
- 238000000034 method Methods 0.000 description 1
Classifications
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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
- 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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- General Physics & Mathematics (AREA)
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- Mathematical Physics (AREA)
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- Pure & Applied Mathematics (AREA)
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- Business, Economics & Management (AREA)
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- Theoretical Computer Science (AREA)
- Toys (AREA)
Abstract
The invention discloses a kind of Physical Experiment freely falling body device, including base plate, base plate side is fixedly connected with support rod, and beneficial effect is：The present invention is by being provided with electronic timer, when use, need to article to be tested be placed in placement plate, No. three connecting rods are pulled down by No.1 handle, to drive No. four connecting rods to move down, to drive No.1 driving wheel to rotate using the No.1 engaging tooth on the No.1 engaging tooth and No.1 driving wheel of No.1 turning-bar side, so that placement plate tilts, article is fallen from placement plate, at this time, No. three connecting rod one end and No. two beam contacts, No. two cross bars are driven to move down, so that No. two connecting rods and timing button contacts, start timing, when article is fallen on No.1 cross bar, impact force moves down No.1 cross bar, to drive No. two cross bars to be contacted again timing button, stop timing, the calculating of experiment with falling objects result is carried out using the number on the upper scale and timer display screen of graduated scale.
Description
Technical field：
The invention belongs to educational facilities technical field, in particular to a kind of Physical Experiment freely falling body device.
Background technique：
In the prior art, freely falling body device is usually used in Physical Experiment for carrying out the test of freely falling body, is passed
The freely falling body device of system is not intuitive enough to test result, and uses and not enough facilitate, so the present invention is novel to propose one kind
Physical Experiment freely falling body device.
Summary of the invention：
The object of the invention is that providing a kind of Physical Experiment freely falling body device to solve the above-mentioned problems, solve
The shortcomings that having determined in the prior art.
To solve the above-mentioned problems, the present invention provides a kind of technical solutions：
A kind of Physical Experiment freely falling body device, including base plate, the base plate side are fixedly connected with support rod,
It is provided with No.1 protective shell on the support rod, No.1 cross bar, the ruler of the No.1 cross bar are provided in the No.1 protective shell
The very little size less than No.1 protective shell, the No.1 cross bar lower section are fixedly connected with several No.1 springs, the No.1 spring one
End is fixedly mounted on base plate, and No.1 cross bar side is fixedly connected by No.1 spring with base plate, and the No.1 is horizontal
One upper side of bar is fixedly connected with No.1 connecting rod, and No.1 connecting rod side is fixedly connected with No.1 fixed link, and described one
Number fixed link one end is fixedly connected with No.1 cross bar, and the No.1 cross bar connects by the way that No.1 fixed link and No.1 connecting rod are fixed
It connects, No.1 connecting rod side is fixedly connected with No.1 slide bar above the No.1 fixed link, and No.1 slide bar side is fixed to be connected
It is connected to No.1 sliding block, the No.1 sliding block is slidably mounted on No.1 sliding rail, and the No.1 slide bar passes through No.1 sliding block and No.1
Sliding rail is slidably connected, and the No.1 slide bar is free to slide on No.1 sliding rail by No.1 sliding block, the fixed peace of the No.1 sliding rail
Mounted in support rod side.
Preferably, No. two cross bars are fixedly connected with above the No.1 connecting rod, it is fixed below No. two cross bars to connect
No. two fixed links are connected to, described No. two fixed link one end are fixedly connected with No.1 connecting rod, and the No.1 connecting rod passes through No. two
Fixed link is fixedly connected with No. two cross bars, and described No. two cross bar one end are fixedly connected with No. two connecting rods, No. two connecting rods
Side is fixedly connected with No. three fixed links, and described No. three fixed link one end are fixedly connected with No. two cross bars, and No. two cross bars are logical
It crosses No. three fixed links to be fixedly connected with No. two connecting rods, No. two connecting rod other sides are fixedly connected with No. two slide bars, described
No. two slide bar one end are fixedly connected with No. two sliding blocks, and No. two sliding blocks are slidably mounted on No. two sliding rails, No. two slide bars
It being slidably connected by No. two sliding blocks and No. two sliding rails, No. two slide bars are free to slide on No. two sliding rails by No. two sliding blocks,
No. two sliding rails are fixedly mounted on support rod, are provided with timing button, the timing button below No. two connecting rods
It is fixedly mounted on electronic timer, timer display screen, the electronic timer side is provided on the electronic timer
It is fixedly connected with timer connecting rod, the timer connecting rod is fixedly connected with support rod, and the electronic timer passes through meter
When device connecting rod be fixedly connected with support rod.
Preferably, the model WSC-J0201 of the electronic timer, pressed on the electronic timer relative to timing
Reset button is installed on button side, No. three connecting rods are provided with above No. two cross bars, No. three connecting rod sides are solid
Surely it is connected with No.1 handle, anti-skid rubber cushion is arranged on the No.1 handle, No. three connecting rods are relative to No.1 handle
Side be fixedly connected with No. three slide bars, described No. three slide bar one end are fixedly connected with No. three sliding blocks, No. three sliding blocks sliding
It is mounted on No. three sliding rails, No. three connecting rods are slidably connected by No. three slide bars and No. three sliding blocks with No. three sliding rails, described
No. three connecting rods are free to slide on No. three sliding rails by No. three slide bars and No. three sliding blocks, and No. three sliding rails are fixedly mounted on branch
Strut side, No. three connecting rods upper side are fixedly connected with No. four connecting rods, and No. four connecting rods and support rod connect
The place of connecing is provided with No. four protective shells, and the size of No. four protective shells is greater than the size of No. four connecting rods, No. four connecting rods
Side is fixedly connected with No.1 turning-bar, and No.1 turning-bar side is fixedly connected with several No.1 engaging tooths.
Preferably, No.1 turning-bar side is provided with No.1 driving wheel, if being provided on the No.1 driving wheel
Do No.1 engaging tooth identical with No.1 turning-bar side.
Preferably, No.1 driving wheel side is sequentially connected with No.1 bearing, the No.1 bearing is fixedly mounted on
In support rod fixed link.
Preferably, the support rod fixed link is connect by No.1 bearing with No.1 capstan drive, the support rod
Fixed link is fixedly connected with support rod.
Preferably, No.1 driving wheel side is fixedly connected with placement plate, fixed company above described placement plate one end
It is connected to small-sized baffle.
Preferably, being provided with graduated scale on the support rod side.
Beneficial effects of the present invention：
The present invention is provided with electronic timer, in use, need to article to be tested be placed in placement plate, pass through No.1
Handle pulls down No. three connecting rods, to drive No. four connecting rods to move down, to utilize the No.1 engaging tooth of No.1 turning-bar side
The rotation of No.1 driving wheel is driven with the No.1 engaging tooth on No.1 driving wheel, so that placement plate tilts, article falls from placement plate
It falls, at this point, No. three connecting rod one end and No. two beam contacts, drive No. two cross bars to move down, so that No. two connecting rods are pressed with timing
Button contact, starts timing, and when article is fallen on No.1 cross bar, impact force moves down No.1 cross bar, to drive No. two cross
Bar is contacted again timing button, stops timing, is carried out certainly using the number on the upper scale and timer display screen of graduated scale
By the calculating of falling body experiment result.
Detailed description of the invention：
Detailed description will be given by the following detailed implementation and drawings by the present invention for ease of explanation,.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is enlarged structure schematic diagram at A of the invention；
Fig. 3 is enlarged structure schematic diagram at B of the invention.
In figure：1, base plate；2, support rod；3, No.1 protective shell；4, No.1 cross bar；5, No.1 spring；6, No.1 connects
Bar；7, No.1 fixed link；8, No.1 slide bar；9, No.1 sliding block；10, No.1 sliding rail；11, No. two cross bars；12, No. two fixed links；
13, No. three fixed links；14, No. two slide bars；15, No. two sliding blocks；16, No. two sliding rails；17, timing button；18, electronic timer；
19, timer display screen；20, timer connecting rod；21, reset button；22, No. three connecting rods；23, No.1 handle；24, No. three
Slide bar；25, No. three sliding blocks；26, No. three sliding rails；27, No. four connecting rods；28, No. four protective shells；29, No.1 turning-bar；30, one
Number driving wheel；31, No.1 bearing；32, support rod fixed link；33, No.1 engaging tooth；34, placement plate；35, small-sized baffle；36,
Graduated scale；37, No. two connecting rods.
Specific embodiment：
As shown in Figure 1-3, present embodiment uses following technical scheme：A kind of Physical Experiment is filled with freely falling body
It sets, including base plate 1,1 side of base plate is fixedly connected with support rod 2, is provided with No.1 protective shell on the support rod 2
3, No.1 cross bar 4 is provided in the No.1 protective shell 3, the size of the No.1 cross bar 4 is less than the size of No.1 protective shell 3,
Several No.1 springs 5 are fixedly connected with below the No.1 cross bar 4, described 5 one end of No.1 spring is fixedly mounted on base plate 1
On, 4 side of No.1 cross bar is fixedly connected by No.1 spring 5 with base plate 1, and 4 one upper side of No.1 cross bar is fixed
It is connected with No.1 connecting rod 6,6 side of No.1 connecting rod is fixedly connected with No.1 fixed link 7, the No.1 fixed link 7 one
End is fixedly connected with No.1 cross bar 4, and the No.1 cross bar 4 is fixedly connected by No.1 fixed link 7 with No.1 connecting rod 6, described
7 top No.1 connecting rod of No.1 fixed link, 6 side is fixedly connected with No.1 slide bar 8, and 8 side of No.1 slide bar is fixedly connected with
No.1 sliding block 9, the No.1 sliding block 9 are slidably mounted on No.1 sliding rail 10, and the No.1 slide bar 8 passes through No.1 sliding block 9 and one
Number sliding rail 10 is slidably connected, and the No.1 slide bar 8 is free to slide on No.1 sliding rail 10 by No.1 sliding block 9, and the No.1 is sliding
Rail 10 is fixedly mounted on 2 side of support rod.
Wherein, No. two cross bars 11, fixed company below No. two cross bars 11 are fixedly connected with above the No.1 connecting rod 6
No. two fixed links 12 are connected to, 12 one end of No. two fixed links is fixedly connected with No.1 connecting rod 6, and the No.1 connecting rod 6 is logical
No. two fixed links 12 to be crossed to be fixedly connected with No. two cross bars 11,11 one end of No. two cross bars is fixedly connected with No. two connecting rods 37,
37 side of No. two connecting rods is fixedly connected with No. three fixed links 13, and 13 one end of No. three fixed links is solid with No. two cross bars 11
Fixed connection, No. two cross bars 11 are fixedly connected by No. three fixed links 13 with No. two connecting rods 37, No. two connecting rods 37
The other side is fixedly connected with No. two slide bars 14, and 14 one end of No. two slide bars is fixedly connected with No. two sliding blocks 15, No. two cunnings
Block 15 is slidably mounted on No. two sliding rails 16, and No. two slide bars 14 are slidably connected by No. two sliding blocks 15 with No. two sliding rails 16,
No. two slide bars 14 are free to slide on No. two sliding rails 16 by No. two sliding blocks 15, and No. two sliding rails 16 are fixedly mounted on branch
On strut 2, timing button 17 is provided with below No. two connecting rods 37, the timing button 17 is fixedly mounted on electric time-keeping
On device 18, timer display screen 19 is provided on the electronic timer 18,18 side of electronic timer is fixedly connected with
Timer connecting rod 20, the timer connecting rod 20 are fixedly connected with support rod 2, and the electronic timer 18 passes through timer
Connecting rod 20 is fixedly connected with support rod 2.
Wherein, the model WSC-J0201 of the electronic timer 18 is pressed relative to timing on the electronic timer 18
Reset button 21 is installed on 17 side of button, No. three connecting rods 22, No. three connections are provided with above No. two cross bars 11
22 side of bar is fixedly connected with No.1 handle 23, and anti-skid rubber cushion, No. three connecting rods are arranged on the No.1 handle 23
22 are fixedly connected with No. three slide bars 24 relative to the side of No.1 handle 23, and 24 one end of No. three slide bars is fixedly connected with No. three
Sliding block 25, No. three sliding blocks 25 are slidably mounted on No. three sliding rails 26, and No. three connecting rods 22 pass through No. three 24 Hes of slide bar
No. three sliding blocks 25 are slidably connected with No. three sliding rails 26, and No. three connecting rods 22 are by No. three slide bars 24 and No. three sliding blocks 25 three
Free to slide on number sliding rail 26, No. three sliding rails 26 are fixedly mounted on 2 side of support rod, 22 top one of No. three connecting rods
Side is fixedly connected with No. four connecting rods 27, and No. four connecting rods 27 and 2 junction of support rod are provided with No. four protective shells 28, institute
The size for stating No. four protective shells 28 is greater than the size of No. four connecting rods 27, and 27 side of No. four connecting rods is fixedly connected with No.1
Turning-bar 29,29 side of No.1 turning-bar are fixedly connected with several No.1 engaging tooths 33.
Wherein, 29 side of No.1 turning-bar is provided with No.1 driving wheel 30, is provided on the No.1 driving wheel 30
Several No.1 engaging tooths 33 identical with 29 side of No.1 turning-bar.
Wherein, 30 side of No.1 driving wheel is sequentially connected with No.1 bearing 31, and the No.1 bearing 31 is fixedly mounted
In support rod fixed link 32.
Wherein, the support rod fixed link 32 is sequentially connected by No.1 bearing 31 and No.1 driving wheel 30, the support
Bar fixed link 32 is fixedly connected with support rod 2.
Wherein, 30 side of No.1 driving wheel is fixedly connected with placement plate 34, fixes above described 34 one end of placement plate
It is connected with small-sized baffle 35.
Wherein, graduated scale 36 is provided on 2 side of support rod.
Specifically：A kind of Physical Experiment freely falling body device, in use, first need to article to be tested be placed on
It sets on plate 34, No. three connecting rods 22 is pulled down by No.1 handle 23, to drive No. four connecting rods 27 to move down, to utilize No.1
No.1 engaging tooth 33 on the No.1 engaging tooth 33 and No.1 driving wheel 30 of the side turning-bar 3+ drives No.1 driving wheel 30 to rotate,
So that placement plate 34 tilts, article is fallen from placement plate 34, at this point, No. three 22 one end of connecting rod are contacted with No. two cross bars 11,
It drives No. two cross bars 11 to move down, so that No. two connecting rods 37 are contacted with timing button 17, starts timing, when article is fallen in No.1
On cross bar 4, impact force moves down No.1 cross bar 4, so that No. two cross bars 11 be driven to be contacted again timing button 17, stops meter
When, the calculating of experiment with falling objects result is carried out using the number on the upper scale and timer display screen 19 of graduated scale 36.
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 Physical Experiment freely falling body device, including base plate (1), which is characterized in that base plate (1) side is solid
Surely it is connected with support rod (2), is provided with No.1 protective shell (3) on the support rod (2), setting in the No.1 protective shell (3)
Have No.1 cross bar (4), the size of the No.1 cross bar (4) is less than the size of No.1 protective shell (3), under the No.1 cross bar (4)
Side is fixedly connected with several No.1 springs (5), and described No.1 spring (5) one end is fixedly mounted on base plate (1), the No.1
Cross bar (4) side is fixedly connected by No.1 spring (5) with base plate (1), and (4) one upper side of No.1 cross bar is fixedly connected
Have No.1 connecting rod (6), No.1 connecting rod (6) side is fixedly connected with No.1 fixed link (7), the No.1 fixed link
(7) one end is fixedly connected with No.1 cross bar (4), and the No.1 cross bar (4) passes through No.1 fixed link (7) and No.1 connecting rod (6)
It is fixedly connected, No.1 connecting rod (6) side is fixedly connected with No.1 slide bar (8), the No.1 above the No.1 fixed link (7)
Slide bar (8) side is fixedly connected with No.1 sliding block (9), and the No.1 sliding block (9) is slidably mounted on No.1 sliding rail (10), described
No.1 slide bar (8) is slidably connected by No.1 sliding block (9) with No.1 sliding rail (10), and the No.1 slide bar (8) passes through No.1 sliding block
(9) free to slide on No.1 sliding rail (10), the No.1 sliding rail (10) is fixedly mounted on support rod (2) side.
2. a kind of Physical Experiment freely falling body device according to claim 1, it is characterised in that：The No.1 connecting rod
(6) top is fixedly connected with No. two cross bars (11), is fixedly connected with No. two fixed links (12), institute below No. two cross bars (11)
It states No. two fixed link (12) one end to be fixedly connected with No.1 connecting rod (6), the No.1 connecting rod (6) passes through No. two fixed links
(12) it is fixedly connected with No. two cross bars (11), described No. two cross bars (11) one end is fixedly connected with No. two connecting rods (37), described
No. two connecting rod (37) sides are fixedly connected with No. three fixed links (13), No. three fixed links (13) one end and No. two cross bars
(11) it is fixedly connected, No. two cross bars (11) are fixedly connected by No. three fixed links (13) with No. two connecting rods (37), described
No. two connecting rod (37) other sides are fixedly connected with No. two slide bars (14), and described No. two slide bars (14) one end is fixedly connected with No. two
Sliding block (15), No. two sliding blocks (15) are slidably mounted on No. two sliding rails (16), and No. two slide bars (14) pass through No. two cunnings
Block (15) is slidably connected with No. two sliding rails (16), and No. two slide bars (14) are by No. two sliding blocks (15) on No. two sliding rails (16)
Free to slide, No. two sliding rails (16) are fixedly mounted on support rod (2), are provided with meter below No. two connecting rods (37)
When button (17), the timing button (17) is fixedly mounted on electronic timer (18), sets on the electronic timer (18)
It is equipped with timer display screen (19), electronic timer (18) side is fixedly connected with timer connecting rod (20), the meter
When device connecting rod (20) be fixedly connected with support rod (2), the electronic timer (18) by timer connecting rod (20) and branch
Strut (2) is fixedly connected.
3. a kind of Physical Experiment freely falling body device according to claim 2, it is characterised in that：The electronic timer
(18) model WSC-J0201, relative to being equipped with reset on timing button (17) side on the electronic timer (18)
Button (21), No. two cross bars (11) top are provided with No. three connecting rods (22), and No. three connecting rods (22) side is fixed
It is connected with No.1 handle (23), anti-skid rubber cushion is arranged on the No.1 handle (23), No. three connecting rods (22) are opposite
No. three slide bars (24) are fixedly connected in the side of No.1 handle (23), described No. three slide bars (24) one end is fixedly connected with No. three
Sliding block (25), No. three sliding blocks (25) are slidably mounted on No. three sliding rails (26), and No. three connecting rods (22) pass through No. three
Slide bar (24) and No. three sliding blocks (25) are slidably connected with No. three sliding rails (26), and No. three connecting rods (22) pass through No. three slide bars
(24) and No. three sliding blocks (25) are free to slide on No. three sliding rails (26), and No. three sliding rails (26) are fixedly mounted on support rod
(2) side, No. three connecting rods (22) upper side are fixedly connected with No. four connecting rods (27), No. four connecting rods (27)
Support rod (2) junction is provided with No. four protective shells (28), the size of No. four protective shells (28) is greater than No. four connecting rods
(27) size, No. four connecting rods (27) side are fixedly connected with No.1 turning-bar (29), the No.1 turning-bar (29)
Side is fixedly connected with several No.1 engaging tooths (33).
4. a kind of Physical Experiment freely falling body device according to claim 3, it is characterised in that：The No.1 turning-bar
(29) side is provided with No.1 driving wheel (30), and several and No.1 turning-bar (29) one is provided on the No.1 driving wheel (30)
The identical No.1 engaging tooth (33) in side.
5. a kind of Physical Experiment freely falling body device according to claim 4, it is characterised in that：The No.1 driving wheel
(30) side is sequentially connected with No.1 bearing (31), and the No.1 bearing (31) is fixedly mounted on support rod fixed link (32).
6. a kind of Physical Experiment freely falling body device according to claim 5, it is characterised in that：The support rod is fixed
Bar (32) is sequentially connected by No.1 bearing (31) and No.1 driving wheel (30), the support rod fixed link (32) and support rod
(2) it is fixedly connected.
7. a kind of Physical Experiment freely falling body device according to claim 4, it is characterised in that：The No.1 driving wheel
(30) side is fixedly connected with placement plate (34), is fixedly connected with small-sized baffle (35) above described placement plate (34) one end.
8. a kind of Physical Experiment freely falling body device according to claim 1, it is characterised in that：The support rod (2)
Graduated scale (36) are provided on side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810802193.0A CN108877422B (en) | 2018-07-20 | 2018-07-20 | Free falling body device for physics experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810802193.0A CN108877422B (en) | 2018-07-20 | 2018-07-20 | Free falling body device for physics experiments |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108877422A true CN108877422A (en) | 2018-11-23 |
| CN108877422B CN108877422B (en) | 2020-07-31 |
Family
ID=64303968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810802193.0A Active CN108877422B (en) | 2018-07-20 | 2018-07-20 | Free falling body device for physics experiments |
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| Country | Link |
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| CN (1) | CN108877422B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020070105A (en) * | 2002-02-22 | 2002-09-05 | 오성훈 | Apparatus for displaying the relation between potential energy and kinetic energy |
| CN2924691Y (en) * | 2006-07-21 | 2007-07-18 | 王乐安 | Free fall experimental device |
| CN204375274U (en) * | 2014-12-30 | 2015-06-03 | 湖南工学院 | A kind of physical teaching aid |
| CN204833833U (en) * | 2015-07-26 | 2015-12-02 | 田翊辰 | High school physics gravity experiment analogue means |
| CN206040008U (en) * | 2016-08-13 | 2017-03-22 | 徐晟淞 | Physics free fall tests analogue means |
| CN206282492U (en) * | 2016-10-24 | 2017-06-27 | 中国人民解放军镇江船艇学院 | A kind of engineering mechanics Comprehensive Experiment apparatus for demonstrating |
| CN207008928U (en) * | 2017-06-08 | 2018-02-13 | 郑诗琪 | A kind of high school physicses class experiment with falling objects apparatus for demonstrating |
| CN207473906U (en) * | 2017-06-28 | 2018-06-08 | 蔡天璐 | A kind of student high school physics free fall experimental device |
-
2018
- 2018-07-20 CN CN201810802193.0A patent/CN108877422B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020070105A (en) * | 2002-02-22 | 2002-09-05 | 오성훈 | Apparatus for displaying the relation between potential energy and kinetic energy |
| CN2924691Y (en) * | 2006-07-21 | 2007-07-18 | 王乐安 | Free fall experimental device |
| CN204375274U (en) * | 2014-12-30 | 2015-06-03 | 湖南工学院 | A kind of physical teaching aid |
| CN204833833U (en) * | 2015-07-26 | 2015-12-02 | 田翊辰 | High school physics gravity experiment analogue means |
| CN206040008U (en) * | 2016-08-13 | 2017-03-22 | 徐晟淞 | Physics free fall tests analogue means |
| CN206282492U (en) * | 2016-10-24 | 2017-06-27 | 中国人民解放军镇江船艇学院 | A kind of engineering mechanics Comprehensive Experiment apparatus for demonstrating |
| CN207008928U (en) * | 2017-06-08 | 2018-02-13 | 郑诗琪 | A kind of high school physicses class experiment with falling objects apparatus for demonstrating |
| CN207473906U (en) * | 2017-06-28 | 2018-06-08 | 蔡天璐 | A kind of student high school physics free fall experimental device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108877422B (en) | 2020-07-31 |
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