CN206411962U - A kind of high school physicses movement of falling object device - Google Patents
A kind of high school physicses movement of falling object device Download PDFInfo
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- CN206411962U CN206411962U CN201621354953.9U CN201621354953U CN206411962U CN 206411962 U CN206411962 U CN 206411962U CN 201621354953 U CN201621354953 U CN 201621354953U CN 206411962 U CN206411962 U CN 206411962U
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- movement
- falling object
- high school
- support
- object device
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Abstract
The utility model discloses a kind of high school physicses movement of falling object device, including connecing thing disk, horizon bar, second fixed pulley, dotted timer and carrying disk, the thing disk that connects is on firm banking, the horizon bar is connected with each other by locking knob and support, the left end of the spring assembly is provided with cord, and cord is connected with each other by the first fixed pulley and bead, second fixed pulley is located at the inner side of support, and its outside is connected with paper tape, the paper tape is connected with each other by clip and weight, the dotted timer is connected with each other by flask holder and fix bar, and fix bar is connected with each other by swivel bearing and support, counterweight is placed with the carrying disk, and the bottom position of counterweight is provided with counterweight and puts groove.The high school physicses movement of falling object device, the research and operation of overall achievable kinds of experiments, allows classmates to recognize the true cause of freely falling body, simple to operate, is widely used among senior middle school physics teaching, attraction is strong.
Description
Technical field
The utility model is related to high school physicses technical field, specially a kind of high school physicses movement of falling object device.
Background technology
The movement of falling object comes from centrifugal force, and object whereabouts since geo-stationary under only by Action of Gravity Field is moved
It is called the movement of falling object；Often occur in its high school physics, and teacher of physics generally first explains theory during giving lessons
Knowledge, the movement of falling object is then explained by dotted timer；But the method for dotted timer can only be single say
The movement of falling object of an object is solved, it is impossible to carry out kinds of experiments, while can not also carry out freely falling body and level throw motion
Compare, application is weak, attraction is not strong.In view of the above-mentioned problems, being badly in need of a kind of high school physicses movement of falling object device of design.
Utility model content
The purpose of this utility model is to provide a kind of high school physicses movement of falling object device, to solve above-mentioned background skill
The movement of falling object for one object of explanation that proposition can only be single in art, it is impossible to kinds of experiments is carried out, while can not also carry out
The comparison of freely falling body and level throw motion, application is weak, the problem of attraction is not strong.
To achieve the above object, the utility model provides following technical scheme：A kind of high school physicses movement of falling object dress
Put, including connect thing disk, horizon bar, the second fixed pulley, dotted timer and carrying disk, the thing disk that connects is located on firm banking,
And the centre position of firm banking is provided with support, the horizon bar is connected with each other by locking knob and support, and on support
Spring assembly is fixed with, the left end of the spring assembly is provided with cord, and cord is mutually interconnected by the first fixed pulley with bead
Connect, second fixed pulley is located at the inner side of support, and its outside is connected with paper tape, and the paper tape is mutual with weight by clip
Connection, the dotted timer is connected with each other by flask holder and fix bar, and fix bar is mutual with support by swivel bearing
Connection, is placed with counterweight on the carrying disk, and the bottom position of counterweight is provided with counterweight and puts groove.
It is preferred that, the thing disk that connects is symmetrically arranged with two with support, and its be located at respectively weight and carrying disk just under
Side.
It is preferred that, the horizon bar is liftable rotational structure, and its range is 0~50cm.
It is preferred that, the latter half of the support indicates master scale line.
It is preferred that, the cord and spring assembly to be intertwined and connected, and spring assembly right-hand member be placed with it is another identical big
Small bead.
It is preferred that, the paper tape that second fixed pulley is symmetrically arranged with support on two, and the fixed pulley of left side second leads to
Clip is crossed to be connected with each other with carrying disk.
It is preferred that, the bead of bead and spring assembly right-hand member on the left of first fixed pulley is located in same horizontal line,
And weight also is located in same horizontal line with carrying disk.
It is preferred that, three kinds of different size of counterweights are symmetrically installed with the carrying disk and put groove.
Compared with prior art, the beneficial effects of the utility model are：The high school physicses movement of falling object device, both may be used
The experiment of the single body movement of falling object is carried out, the experiment with falling objects of identical weight different area can also be carried out simultaneously
Probe into, and the experiment with falling objects of the identical contact area of different weight is probed into, while can also carry out freely falling body peace throwing
The comparison of motion, the research and operation of overall achievable kinds of experiments, allows classmates to recognize the true cause of freely falling body, grasps
Make simple and convenient, be widely used among senior middle school physics teaching, attraction is strong.
Brief description of the drawings
Fig. 1 is the utility model structure overall schematic；
Fig. 2 is the utility model structure carrying disk schematic top plan view.
In figure：1st, firm banking, 2, connect thing disk, 3, locking knob, 4, horizon bar, 5, support, 6, spring assembly, 7, thin
Rope, the 8, first fixed pulley, 9, bead, the 10, second fixed pulley, 11, paper tape, 12, swivel bearing, 13, fix bar, 14, flask holder,
15th, dotted timer, 16, clip, 17, weight, 18, counterweight, 19, carrying disk, 20, counterweight place groove.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of high school physicses movement of falling object device,
Including firm banking 1, connect thing disk 2, it is locking knob 3, horizon bar 4, support 5, spring assembly 6, cord 7, the first fixed pulley 8, small
Ball 9, the second fixed pulley 10, paper tape 11, swivel bearing 12, fix bar 13, flask holder 14, dotted timer 15, clip 16, weight
17th, counterweight 18, carrying disk 19 and counterweight place groove 20, connect thing disk 2 on firm banking 1, connect thing disk 2 symmetrical with support 5
Two are provided with, and it is located at the underface of weight 17 and carrying disk 19 respectively, and the centre position of firm banking 1 is provided with branch
Frame 5, the latter half of support 5 indicates master scale line, and horizon bar 4 is connected with each other by locking knob 3 with support 5, horizon bar 4
For liftable rotational structure, and its range is to be fixed with spring assembly 6, a left side for spring assembly 6 on 0~50cm, and support 5
End is provided with cord 7, and cord 7 is to be intertwined and connected with spring assembly 6, and the right-hand member of spring assembly 6 is placed with another formed objects
Bead 9, and cord 7 is connected with each other by the first fixed pulley 8 and bead 9, and the second fixed pulley 10 is located at the inner side of support 5, and
Its outside is connected with paper tape 11, and paper tape 11 is connected with each other by clip 16 with weight 17, and the second fixed pulley 10 is symmetrically set with support 5
The paper tape 11 being equipped with two, and the second fixed pulley of left side 10 is connected with each other by clip 16 with carrying disk 19, the first fixed pulley 8
The bead 9 in left side is located in same horizontal line with the bead 9 of the right-hand member of spring assembly 6, and weight 17 also is located at together with carrying disk 19
On one horizontal line, dotted timer 15 is connected with each other by flask holder 14 with fix bar 13, and fix bar 13 passes through swivel bearing
12 are connected with each other with support 5, are placed with counterweight 18 on carrying disk 19, and the bottom position of counterweight 18 is provided with counterweight and puts groove
20, state and three kinds of different size of counterweights are symmetrically installed with carrying disk 19 put groove 20.
Operation principle：When using the high school physicses movement of falling object device, first the structure to the device is carried out simply
Understanding, when carrying out the experiment of movement of falling object basic reason, the paper tape 11 on the left of pulling so that weight 17 is located at certain
After height, switch is got ready, dotted timer 15 is in running status, then released paper tape 11 from hand, weight 17 falls
To connecing in thing disk 2, change the distance between is got ready by measurement, you can it is to carry out under the influence of gravity to work out freely falling body
's；When carrying out contrast experiment, switch is got in closing ready, appropriate counterweight 18 will be put into carrying disk 19 so that carrying disk 19
After gross weight is identical with the weight of weight 17, by locking knob 3 come the height and position of mobile and horizontal bar 4 so that the He of carrying disk 19
Weight 17 is respectively positioned on horizon bar 4, and the paper tape 11 of both sides is then tensed manually, and rotation horizon bar 4 makes it not interfere with experiment,
Paper tape 11 is released from hand again, which first drops down onto and connect in thing disk 2 for observation carrying disk 19 and weight 17, research identical weight is different
The change of freely falling body under volume；Then change carrying disk 19 turn into another big weight and in volume identical weight 17, repetition
State operation, which observation, which carries and first drop down onto, connects in thing disk 2, the change of freely falling body under research different weight；Last research freedom falls
When body and level throw motion, cord 7 on trip spring device 6, left end bead 9 carries out free movement, work of the right-hand member bead 9 in elastic force
Level throw motion is carried out under, observes and records its move distance and time, and observes whether two beads 9 land simultaneously, it
The spheroid that corresponding can change other identical weights afterwards carries out many experiments；Also the weight of bead 9 of left end can be only changed, research is not
With the change of the level throw motion of right-hand member bead 9 under thrust；Here it is the operation principle of the high school physicses movement of falling object device.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of high school physicses movement of falling object device, including connect thing disk（2）, horizon bar（4）, the second fixed pulley（10）, beat
Point timer（15）And carrying disk（19）, it is characterised in that：It is described to connect thing disk（2）Positioned at firm banking（1）On, and firm banking
（1）Centre position be provided with support（5）, the horizon bar（4）Pass through locking knob（3）With support（5）It is connected with each other, and branch
Frame（5）On be fixed with spring assembly（6）, the spring assembly（6）Left end cord is installed（7）, and cord（7）Pass through first
Fixed pulley（8）With bead（9）It is connected with each other, second fixed pulley（10）Positioned at support（5）Inner side, and its outside be connected with
Paper tape（11）, the paper tape（11）Pass through clip（16）With weight（17）It is connected with each other, the dotted timer（15）By burning
Bottle clip（14）With fix bar（13）It is connected with each other, and fix bar（13）Pass through swivel bearing（12）With support（5）It is connected with each other, institute
State carrying disk（19）On be placed with counterweight（18）, and counterweight（18）Bottom position be provided with counterweight and put groove（20）.
2. a kind of high school physicses movement of falling object device according to claim 1, it is characterised in that：It is described to connect thing disk
（2）With support（5）Two are symmetrically arranged with, and it is located at weight respectively（17）And carrying disk（19）Underface.
3. a kind of high school physicses movement of falling object device according to claim 1, it is characterised in that：The horizon bar
（4）For liftable rotational structure, and its range is 0~50cm.
4. a kind of high school physicses movement of falling object device according to claim 1, it is characterised in that：The support（5）
The latter half indicate master scale line.
5. a kind of high school physicses movement of falling object device according to claim 1, it is characterised in that：The cord（7）
With spring assembly（6）To be intertwined and connected, and spring assembly（6）Right-hand member be placed with the beads of another formed objects（9）.
6. a kind of high school physicses movement of falling object device according to claim 1, it is characterised in that：Described second is fixed sliding
Wheel（10）With support（5）It is symmetrically arranged with two, and the fixed pulley of left side second（10）On paper tape（11）Pass through clip（16）With
Carrying disk（19）It is connected with each other.
7. a kind of high school physicses movement of falling object device according to claim 6, it is characterised in that：Described first is fixed sliding
Wheel（8）The bead in left side（9）With spring assembly（6）The bead of right-hand member（9）In same horizontal line, and weight（17）With loading
Disk（19）It also is located in same horizontal line.
8. a kind of high school physicses movement of falling object device according to claim 1, it is characterised in that：The carrying disk
（19）On be symmetrically installed with three kinds of different size of counterweights and put groove（20）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621354953.9U CN206411962U (en) | 2016-12-12 | 2016-12-12 | A kind of high school physicses movement of falling object device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621354953.9U CN206411962U (en) | 2016-12-12 | 2016-12-12 | A kind of high school physicses movement of falling object device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206411962U true CN206411962U (en) | 2017-08-15 |
Family
ID=59550502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621354953.9U Expired - Fee Related CN206411962U (en) | 2016-12-12 | 2016-12-12 | A kind of high school physicses movement of falling object device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206411962U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109345921A (en) * | 2018-10-18 | 2019-02-15 | 华北理工大学 | A kind of simplified teaching mode of mechanics |
-
2016
- 2016-12-12 CN CN201621354953.9U patent/CN206411962U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109345921A (en) * | 2018-10-18 | 2019-02-15 | 华北理工大学 | A kind of simplified teaching mode of mechanics |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170815 Termination date: 20181212 |
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| CF01 | Termination of patent right due to non-payment of annual fee |