CN206224866U - A kind of Overweight and Zero Gravity apparatus for demonstrating - Google Patents
A kind of Overweight and Zero Gravity apparatus for demonstrating Download PDFInfo
- Publication number
- CN206224866U CN206224866U CN201621076473.0U CN201621076473U CN206224866U CN 206224866 U CN206224866 U CN 206224866U CN 201621076473 U CN201621076473 U CN 201621076473U CN 206224866 U CN206224866 U CN 206224866U
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- metal contact
- contact piece
- battery
- overweight
- demonstration table
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Abstract
The utility model discloses a kind of Overweight and Zero Gravity apparatus for demonstrating, including two support columns, Demonstration table, left column and right column, two column tops are provided with display panel, the display panel is provided with display screen, a cross bar is fixedly connected between described two columns, the cross bar is provided with two pulleys, light rope is wound between two pulleys, pulley top is provided with pulling force sensor, one end of the light rope connects the first can, the other end connects the second can, baffle plate is equipped with below first can and the second can, the Demonstration table is provided with electromagnet, control box, the control box is provided with controlling switch, battery is provided with the control box, the Demonstration table is provided with spring, first metal contact piece, second metal contact piece, bulb and battery.The present apparatus vivider can demonstrate Overweight and Zero Gravity phenomenon, and simple structure, operation principle is clear and easy to understand, and substantially, student can with comparalive ease understand the stressing conditions and its feature of Overweight and Zero Gravity to experimental phenomena.
Description
Technical field
The utility model is related to middle school physical experiment device, more particularly to a kind of Overweight and Zero Gravity apparatus for demonstrating.
Background technology
Overweight and Zero Gravity is one critically important part of mechanics, but because it is not directly perceived enough, student is not readily understood, for
Overweight and Zero Gravity has been difficult to intuitively experience.Presently mainly allow student to recall the holding power being subject to during elevator lifting to become
Daylight is in overweight, state of weightlessness for change, it is impossible to the change of pulling force, holding power is illustrated with data, and experiment to be used spring scale, takes the photograph
As the big comprehensive instrument tissue demonstration such as head, multimedia, equipment used are more, complex operation, phenomenon is not obvious.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of Overweight and Zero Gravity apparatus for demonstrating.
The technical scheme that the utility model is used is：
A kind of Overweight and Zero Gravity apparatus for demonstrating, including two support columns, the support column are provided with Demonstration table, the Demonstration table
Two left columns and right column being parallel to each other are provided with, two column tops are provided with display panel, are set on the display panel
Have and a cross bar is fixedly connected between display screen, described two columns, lower section is fixedly connected with a graduated scale in the middle of the cross bar；It is described
Cross bar is provided with two pulleys, and light rope is wound between two pulleys, and the pulley top is provided with pulling force sensor, and the pulling force is passed
The light rope of input connection of sensor, the output end connection display screen of the pulling force sensor；One end connection first of the light rope
Can, the other end is connected and is placed with counterweight in the second can, first can and the second can respectively, and described the
Baffle plate is equipped with below one can and the second can, the baffle plate is arranged on column by loose-leaf；The Demonstration table
On left side be provided with electromagnet, the Demonstration table side is provided with control box, and the control box is provided with controlling switch, the control
Battery is provided with box, the electromagnet connects battery, and the battery connects controlling switch；Right side on the Demonstration table
Spring is provided with, the spring is provided with the first metal contact piece, and the first metal contact piece top is provided with the second metal contact piece, described
First metal contact piece is in contact with the second metal contact piece, and second metal contact piece is fixedly connected on the madial wall of right column；
The lateral wall of the right column is provided with bulb and battery, and one end of the battery is connected with spring, and the other end is connected with bulb,
The bulb is connected with the second metal contact piece.
Further, the Demonstration table is provided with Weight box, for holding counterweight.
Compared with prior art, the beneficial effects of the utility model are：
The present apparatus vivider can demonstrate Overweight and Zero Gravity phenomenon, and simple structure, operation principle is clear and easy to understand, and experimental phenomena is bright
Aobvious, student can with comparalive ease understand the stressing conditions and its feature of Overweight and Zero Gravity, disclosure satisfy that the demand of classroom instruction.
Brief description of the drawings
Fig. 1 is overall construction drawing of the present utility model；
Wherein, 1. Demonstration table, 2. left vertical rod, 3. cross bar, 4. display panel, 5. pulling force sensor, 6. display screen, 7. slides
Take turns, 8. the second can, 9. the first can, 10. baffle plate, 11. counterweights, 12. electromagnet, 13. springs, 14. Weight boxes, 15.
Support column, 16. control box, 17. controlling switches, 18. first metal contact pieces, 19. second metal contact pieces, 20. graduated scales, 21. lamps
Bubble, 22. batteries, 23. right columns, 24. light ropes.
Specific embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of Overweight and Zero Gravity apparatus for demonstrating, including two support columns 15, the support column 15 is provided with drills
Show platform 1, the Demonstration table 1 is provided with two left columns 2 and right column 23 being parallel to each other, and two column tops are provided with display surface
Plate 4, the display panel 4 is provided with and a cross bar 3 is fixedly connected between display screen 6, described two columns, under the centre of the cross bar 3
Side is fixedly connected with a graduated scale 20；The cross bar is provided with two pulleys 7, and light rope 24, the cunning are wound between two pulleys
The top of wheel 7 is provided with pulling force sensor 5, the light rope 24 of the input of the pulling force sensor 5 connection, the output of the pulling force sensor 5
End connection display screen 6；Described light 24 one end connects the first can 9, and the other end connects the second can 8, first gold medal
Counterweight 11 is placed with respectively in the can 8 of category box 9 and second, and the lower section of the can 8 of first can 9 and second is equipped with
Baffle plate 10, the baffle plate 10 is arranged on column by loose-leaf；Left side on the Demonstration table is provided with electromagnet 12, the demonstration
Platform side is provided with control box 16, and the control box is provided with controlling switch 17, and battery, the electromagnetism are provided with the control box
Iron 12 connects battery, and the battery connects controlling switch 17；Right side on the Demonstration table is provided with spring 13, the spring
The first metal contact piece 18 is provided with, the top of first metal contact piece 18 is provided with the second metal contact piece 19, and first metal is touched
Piece 18 is in contact with the second metal contact piece 19, and second metal contact piece 19 is fixedly connected on the madial wall of right column 23；Institute
The lateral wall for stating right column 23 is provided with bulb 21 and battery 22, and one end of the battery 22 is connected with spring 13, the other end with
Bulb 21 is connected, and the bulb 21 is connected with the second metal contact piece 19.
Further, the Demonstration table is provided with Weight box 14, for holding counterweight.
Its specific embodiment is：
Before starting demonstration, the first can 9 is identical with the weight of the second can 8, and quality is placed for 50g weights in the inside respectively
Code 11, the first can 9 and the second can 8 are placed on baffle plate 10.The state of weightlessness of the first can 9 is demonstrated, by baffle plate 10
By on the madial wall that two columns are moved on on loose-leaf, opening controlling switch 17, electromagnet 12 is connected, now electromagnet is passed through electricity
Stream, the first can of absorption 9 is accelerated downwards, and now the first can 9 is in state of weightlessness, can be observed by display screen
The change of pulling force, mobile distance can be read by graduated scale 20, until after the first can 9 is contacted with electromagnet, now
Two cans 8 are at the highest notch, and the first can 9 is in minimum point.The weightlessness of the second can 8 and overweight state are demonstrated, first
8 one counterweight of 50g 11 of addition in toward the second can, now the weight of the second can 8 is more than the first can 9；Electricity is installed
Pond 22, now battery 22 and bulb 21, spring 13, the first metal contact piece 18 and the second metal contact piece 19 form loop, bulb point
21 is bright；Closing control switch 17, disconnects electromagnet 12, and the second can 8 starts to do accelerated motion downwards, now the second can
8 are in state of weightlessness, and the change of pulling force is observed by display screen 6, and mobile distance is read by graduated scale 20, when the second metal
Box 8 is dropped to when being contacted with spring 13, starts to do retarded motion, and spring 13 compresses, and the first metal contact piece 18 and the second metal are touched
Piece 19 is separated, and the loop of bulb 21, spring 13, the first sheet metal 18, the second sheet metal 19 and bulb 21 disconnects, and bulb 21 goes out,
Show the second can 8 in overweight state, until the second can 8 is in minimum point, the first can 9 is at the highest notch.
It is not new to this practicality although above-mentioned be described with reference to accompanying drawing to specific embodiment of the present utility model
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Various modifications or deform still in protection model of the present utility model that field technique personnel make by need not paying creative work
Within enclosing.
Claims (2)
1. a kind of Overweight and Zero Gravity apparatus for demonstrating, it is characterised in that：Including two support columns, the support column is provided with Demonstration table,
The Demonstration table is provided with two left columns and right column being parallel to each other, and two column tops are provided with display panel, described aobvious
Show that panel is provided with and a cross bar is fixedly connected between display screen, described two columns, lower section is fixedly connected with one in the middle of the cross bar
Graduated scale；The cross bar is provided with two pulleys, and light rope is wound between two pulleys, and the pulley top is provided with pull sensing
Device, the light rope of input connection of the pulling force sensor, the output end connection display screen of the pulling force sensor；The light rope
One end connects the first can, and the other end connects the second can, placed respectively in first can and the second can
There is counterweight, baffle plate is equipped with below first can and the second can, the baffle plate is arranged on column by loose-leaf
On；The Demonstration table is provided with electromagnet, and the Demonstration table leading flank is provided with control box, and the control box is provided with control and opens
Close, battery is provided with the control box, the electromagnet connects battery, and the battery connects controlling switch；It is described to drill
Show that the right side on platform is provided with spring, the spring is provided with the first metal contact piece, and the first metal contact piece top is provided with second
Metal contact piece, first metal contact piece is in contact with the second metal contact piece, and second metal contact piece is fixedly connected on right vertical
On the madial wall of post；The lateral wall of the right column is provided with bulb and battery, and one end of the battery is connected with spring, another
End is connected with bulb, and the bulb is connected with the second metal contact piece.
2. a kind of Overweight and Zero Gravity apparatus for demonstrating according to claim 1, it is characterised in that：The Demonstration table is provided with counterweight
Box, for holding counterweight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621076473.0U CN206224866U (en) | 2016-09-23 | 2016-09-23 | A kind of Overweight and Zero Gravity apparatus for demonstrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621076473.0U CN206224866U (en) | 2016-09-23 | 2016-09-23 | A kind of Overweight and Zero Gravity apparatus for demonstrating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206224866U true CN206224866U (en) | 2017-06-06 |
Family
ID=58783149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621076473.0U Expired - Fee Related CN206224866U (en) | 2016-09-23 | 2016-09-23 | A kind of Overweight and Zero Gravity apparatus for demonstrating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206224866U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108447358A (en) * | 2018-03-27 | 2018-08-24 | 宁佐贝 | Demonstrate the physics teaching experimental device of Overweight and Zero Gravity state |
| CN110767045A (en) * | 2018-07-26 | 2020-02-07 | 怀化学院 | Object overweight and weightlessness experiment instrument |
-
2016
- 2016-09-23 CN CN201621076473.0U patent/CN206224866U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108447358A (en) * | 2018-03-27 | 2018-08-24 | 宁佐贝 | Demonstrate the physics teaching experimental device of Overweight and Zero Gravity state |
| CN108447358B (en) * | 2018-03-27 | 2019-10-08 | 宁佐贝 | Demonstrate the physics teaching experimental device of Overweight and Zero Gravity state |
| CN110767045A (en) * | 2018-07-26 | 2020-02-07 | 怀化学院 | Object overweight and weightlessness experiment instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170606 Termination date: 20180923 |