CN206040003U - Projectile motion presentation device - Google Patents
Projectile motion presentation device Download PDFInfo
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- CN206040003U CN206040003U CN201620650862.3U CN201620650862U CN206040003U CN 206040003 U CN206040003 U CN 206040003U CN 201620650862 U CN201620650862 U CN 201620650862U CN 206040003 U CN206040003 U CN 206040003U
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- drawing board
- flat
- track
- throwing
- bearing
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Abstract
The utility model relates to a projectile motion presentation device belongs to physical experiment device technical field, projectile motion presentation device include base, response drawing board of magnetic, the flat track of throwing, the response drawing board of magnetic install perpendicularly on the base, response drawing board of magnetic bottom is equipped with the collecting vat, the support is fixed to be set up on the base, installs the flat track of throwing on the support frame, flat track right side and the response drawing board of magnetic department of meeting of throwing is provided with vertical scale, the support is provided with horizontal scale, the utility model discloses change to the electro -magnet instead as suction, set up horizontal scale simultaneously, make the experiment effect repeatedly demonstrate, overcome the adoption spring and replied the in -process, it is inconsistent with lower spring atress to go up the spring, what result in can not get flat problem of throwing the experimental result, the magnetism bobble can be according to the setting of experiment needs on drawing board of magnetic simultaneously, with experiment bobble striking, the convincingness of experiment has been strengthened, the spirit level that sets up, can adjust the height of base, the influence of flat throwing track slope to the experimental result has been reduced.
Description
Technical field
The utility model belongs to Physical Experiment equipment technical field, specifically, is related to a kind of apparatus for demonstrating horizontal throw motion.
Background technology
In senior middle school physics teaching, the level throw motion of object is an abstract process, and student to be made preferably can manage
Solution level throw motion is needed by experiment teaching aid in different motion both horizontally and vertically.
Chinese utility model patent Application No. 201320178010.5. Authorization Notice No. is CN203192278U, is authorized
The day for announcing for the entitled experiment of horizontal projectile motion teaching aid of 2013.09.11 utility models patent provide one kind can demonstrate object put down
Movement locus, and the experiment teaching aid of energy demonstrating level throw motion and horizontal uniform motion isochronism is thrown, but in use can
The anisometric situation of restoring force that spring is provided with lower spring in appearance, will result in the theoretical knot of experimental result and level throw motion
Really inconsistent situation.
Therefore, in order to overcome above-mentioned technical problem, it is necessary to experiment of horizontal projectile motion teaching aid is improved, it is to avoid spring is carried
For the inconsistent problem for causing experiment of horizontal projectile motion different of restoring force.
The content of the invention
In order to overcome problem present in background technology, the utility model to use electromagnet instead as suction, arrange level mark
Chi, makes the repeatable demonstration of experiment effect, overcomes using spring in Recovery Process, and upper spring is inconsistent with lower spring stress,
Caused by cannot get the problem of flat parabolic experimental result, while magnetic ball can need to be arranged on magnetic drawing according to experiment,
With little ball impact is tested, the convincingness of experiment is more enhanced, the level meter of setting can be reduced with the height of adjusting base
It is flat to throw impact of the track inclination to experimental result.
To achieve these goals, the utility model is realized according to technical scheme below：Described level throw motion is drilled
Showing device includes base, induced magnetism drawing board, flat throwing track, bracing frame, magnetic ball, electromagnet, percussion device, pulley, water
Flat scale, bearing, feeder, adjusting nut, level meter, vertical scale；Adjusting nut, level is provided with described base
Instrument, induced magnetism drawing board are installed vertically on base, are provided with electromagnet in induced magnetism drawing board, and induced magnetism drawing board bottom sets
There is feeder, bearing is fixedly installed on base, bearing is connected with induced magnetism drawing board, on bearing, be provided with bracing frame, support
Flat throwing track is installed on frame, induced magnetism drawing board joint is provided with vertical scale on the right side of track for flat throwing, and bearing is provided with
Horizontal ruler, horizontal ruler are detachably connected with bearing, be fixedly connected and be provided with electromagnet on the right side of bracing frame, and flat throwing set on track
Magnetic ball is equipped with, electromagnet is connected with percussion device, percussion device includes trip rod, pulling eye, movable block, return pulley, pulling eye sets
It is placed on movable block, trip rod is arranged at the right part of movable block, and throws parallel track in flat, and return pulley is arranged at the bottom of movable block
Portion, movable block are arranged on slide rail, and slide rail is fixedly installed on bearing.
Described adjusting nut is 4, is respectively arranged on base plate corner.
Described electromagnet is two pieces.
The height of described bracing frame for induced magnetism drawing board 2/3rds, bracing frame is made using nonmagnetic substance.
Scale and numeral is provided with described horizontal ruler.
Limiting mechanism is provided between described return pulley and slide rail, and the surface of slide rail is smooth.
Recess is provided with described flat throwing track, and recess is arranged at the flat most left place for throwing track, and magnetic ball is arranged at
Recess.
Described movable block is iron plate or steel disc.
On described movable block, mobilizable connection is provided with 3 trip rods.
Described flat throwing track is 3.
Described magnetic ball is 3.
The beneficial effects of the utility model：
The utility model overcomes uses electromagnet instead as suction, while arranging horizontal ruler, repeats experiment effect
Demonstration, overcomes spring in Recovery Process, and upper spring is inconsistent with lower spring stress, cannot get flat parabolic experimental result caused by institute
Problem, while magnetic ball can need to be arranged on magnetic drawing according to experiment, with little ball impact is tested, more enhance reality
The convincingness tested, the level meter of setting can reduce flat throwing shadow of the track inclination to experimental result with the height of adjusting base
Ring.
Description of the drawings
Fig. 1 is the utility model structural representation.
In figure, 1- bases, 2- induced magnetism drawing boards, 3- are flat to throw track, 4- bracing frames, 5- magnetic balls, 6- electromagnet, 7-
Percussion device, 7a- trip rods, 7b- pulling eyes, 7c- movable blocks, 7d- return pulleys, 8- slide rails, 9- horizontal rulers, 10- bearings, 11- are received
Collection groove, 12- adjusting nuts, 13- level meters, 14- vertical scales.
Specific embodiment
In order that the purpose of this utility model, technical scheme and beneficial effect are clearer, below in conjunction with accompanying drawing, to this
The specific embodiment of utility model is described in detail, to facilitate the technical staff to understand.
A kind of apparatus for demonstrating horizontal throw motion as shown in Figure 1, its technical scheme is：Described apparatus for demonstrating horizontal throw motion bag
Include base 1, induced magnetism drawing board 2, flat throwing track 3, bracing frame 4, magnetic ball 5, electromagnet 6, percussion device 7, pulley 8, water
Flat scale 9, bearing 10, feeder 11, adjusting nut 12, level meter 13, vertical scale 14；Tune is provided with described base 1
Whole nut 12, level meter 13, use level instrument 13 can observe base whether level, adopt the adjusting nut 12 can be with adjusting base
Height, be easy to for apparatus for demonstrating to be adjusted to horizontality, induced magnetism drawing board 2 is installed vertically on base 1, induced magnetism draw
Electromagnet 6 is provided with plate 2,2 bottom of induced magnetism drawing board is provided with feeder 11, feeder 11 is set and can avoid magnetic ball
5 drop to the ground, and damage experimental facilities, and bearing 10 is fixedly installed on base 1, and bearing 10 is connected with induced magnetism drawing board 2, bearing
Bracing frame 4 being provided with 10, flat throwing track 3 being installed on bracing frame 4, flat track 3 of throwing is easy to do flat parabolic experimental, puts down and throw track 3
Right side is provided with vertical scale 14 with 2 joint of induced magnetism drawing board, is conveniently adjusted the vertical height of the track of level throw motion,
Seat 10 is provided with horizontal ruler 9, and horizontal ruler 9 is detachably connected with bearing 10, is easy to the folding and unfolding of experimental provision, and bracing frame 4 is right
Side is fixedly connected and is provided with electromagnet 6, and flat throwing be provided with magnetic ball 6 on track 3, and electromagnet 6 is connected with percussion device 7, hit
Hitting device 7 includes trip rod 7a, pulling eye 7b, movable block 7c, return pulley 7d, and pulling eye 7b is arranged on movable block 7c, and trip rod 7a sets
The right part of movable block 7c is placed in, and it is parallel in flat throwing track 3, and percussion device moves right, and percussion device 7 is drawn along slide rail 8
Open a segment distance, and record on horizontal ruler 9, when loosing one's grip percussion device 7 under the suction of electromagnet 6, towards electromagnetism
Iron 6 is moved, and disconnects the power switch of electromagnet 6, and magnetic ball 5 is clashed into by trip rod 7a thereon, is clashed into beneficial to realization, return pulley
7d is arranged at the bottom of movable block 7c, and movable block 7c is arranged on slide rail 8, and slide rail 8 is fixedly installed on bearing 10, uses electromagnetism instead
Iron 6 is used as suction, while arranging horizontal ruler 9, makes the repeatable demonstration of experiment effect, overcomes spring in Recovery Process, on
Spring is inconsistent with lower spring stress, caused by cannot get flat parabolic experimental result problem, while magnetic ball 5 can be according to reality
Testing needs to be arranged on induced magnetism drawing board 2, with little ball impact is tested, more enhances the convincingness of experiment, the level of setting
Instrument 13, can be reduced flat track 3 of throwing and is inclined the impact to experimental result with the height of adjusting base 1.
Described adjusting nut 12 is 4, is respectively arranged on 1 four jiaos of base plate, is easy to adjust, and described electromagnet 6 is
Two pieces, uniform force is made, the height of described bracing frame 4 is 2/3rds of induced magnetism drawing board 2, and bracing frame 4 adopts non-magnetic
Property material make, it is to avoid affected by electromagnet 6, on described horizontal ruler 9, be provided with scale and numeral, beneficial to experiment weight
It is multiple, limiting mechanism is provided between described return pulley 7d and slide rail 8, the surface of slide rail 8 is smooth, beneficial to experiment, described flat throwing
Recess is provided with track 3, and recess is arranged at the flat most left place for throwing track 3, and magnetic ball 5 is arranged at recess, beneficial to experiment, institute
The movable block 7c for stating is iron plate or steel disc, reduces cost, and on described movable block 7c, mobilizable connection is provided with 3 and hits
Bar 7a is hit, effect is more excellent, described flat throwing track 3 is 3, and effect is more excellent, described magnetic ball 5 is 3, and effect is more excellent.
The course of work of the present utility model：
Embodiment 1 is positioned over magnetic ball 5 on flat throwing track 3, is placed in the flat recess for throwing track 3, by percussion device 7
A segment distance is pulled open along slide rail 8, and is recorded on horizontal ruler 9, suction of the percussion device 7 in electromagnet 6 when loosing one's grip
Under, moving towards electromagnet 6, disconnect the power switch of electromagnet 6, magnetic ball 5 is clashed into by trip rod 7a thereon, and magnetic is little
Ball 5 is moved along flat throwing track 3 and does level throw motion in flat 3 end of track of throwing.
Electromagnet 2 in induced magnetism drawing board 2 is electrified by embodiment 2, and magnetic ball 5 is pasted on induced magnetism picture
On plate 2, repeat the process of embodiment 1, the flat magnetic ball 5 thrown on track 3 will strike the magnetic on induced magnetism drawing board 2
Bead 5, the described point so on induced magnetism drawing board 2, the track that can draw level throw motion come.
Embodiment 3 repeats the process of embodiment 1, place two or three magnetic balls 5 in flat throwing, see on track 3
Examine the experimentation of bead collision.
The utility model overcomes uses electromagnet instead as suction, while arranging horizontal ruler, repeats experiment effect
Demonstration, overcomes spring in Recovery Process, and upper spring is inconsistent with lower spring stress, cannot get flat parabolic experimental result caused by institute
Problem, while magnetic ball can need to be arranged on magnetic drawing according to experiment, with little ball impact is tested, more enhance reality
The convincingness tested, the level meter of setting can reduce flat throwing shadow of the track inclination to experimental result with the height of adjusting base
Ring.
Finally illustrate, preferred embodiment above is merely to illustrate the technical solution of the utility model, rather than to this reality
With new restriction, although being described in detail to the utility model by above preferred embodiment, this area
It will be appreciated by the skilled person that in the form and details which can be variously modified, without departing from guarantor of the present utility model
Shield scope.
Claims (5)
1. a kind of apparatus for demonstrating horizontal throw motion, it is characterised in that：Described apparatus for demonstrating horizontal throw motion includes base, induced magnetism
Drawing board, flat throwing track, bracing frame, magnetic ball, electromagnet, percussion device, pulley, horizontal ruler, bearing, feeder, adjustment
Nut, level meter, vertical scale；Adjusting nut, level meter is provided with described base, and induced magnetism drawing board is installed vertically on
On base, electromagnet in induced magnetism drawing board, is provided with, induced magnetism drawing board bottom is provided with feeder, and bearing is fixedly installed on bottom
On seat, bearing is connected with induced magnetism drawing board, is provided with bracing frame on bearing, is provided with flat throwing track, puts down and throw rail on bracing frame
Vertical scale is provided with the right side of road with induced magnetism drawing board joint, bearing is provided with horizontal ruler, and horizontal ruler can with bearing
Dismounting connection, is fixedly connected on the right side of bracing frame and is provided with electromagnet, and flat throwing be provided with magnetic ball, electromagnet and shock on track
Device connects, and percussion device includes trip rod, pulling eye, movable block, return pulley, and pulling eye is arranged on movable block, and trip rod is arranged at
The right part of movable block, and parallel track is thrown in flat, return pulley is arranged at the bottom of movable block, and movable block is arranged on slide rail, slide rail
It is fixedly installed on bearing.
2. a kind of apparatus for demonstrating horizontal throw motion as claimed in claim 1, it is characterised in that：Described adjusting nut is 4, point
It is not arranged on base plate corner.
3. a kind of apparatus for demonstrating horizontal throw motion as claimed in claim 1, it is characterised in that：Described electromagnet is two pieces.
4. a kind of apparatus for demonstrating horizontal throw motion as claimed in claim 1, it is characterised in that：The height of described bracing frame is sense
2/3rds of magnetropism drawing board, bracing frame is made using nonmagnetic substance.
5. a kind of apparatus for demonstrating horizontal throw motion as claimed in claim 1, it is characterised in that：It is provided with described horizontal ruler
Scale and numeral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620650862.3U CN206040003U (en) | 2016-06-28 | 2016-06-28 | Projectile motion presentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620650862.3U CN206040003U (en) | 2016-06-28 | 2016-06-28 | Projectile motion presentation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206040003U true CN206040003U (en) | 2017-03-22 |
Family
ID=58313026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620650862.3U Expired - Fee Related CN206040003U (en) | 2016-06-28 | 2016-06-28 | Projectile motion presentation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206040003U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106960616A (en) * | 2017-05-15 | 2017-07-18 | 程祎琳 | A kind of physical throwing exercise testing presentation tool and application method |
| CN108961950A (en) * | 2018-10-02 | 2018-12-07 | 马兆国 | A kind of physics puts down the apparatus for demonstrating of throwing, collision experiment |
| CN109166416A (en) * | 2018-08-31 | 2019-01-08 | 南京理工大学 | A kind of mechanics experiment with simple pendulum test device |
-
2016
- 2016-06-28 CN CN201620650862.3U patent/CN206040003U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106960616A (en) * | 2017-05-15 | 2017-07-18 | 程祎琳 | A kind of physical throwing exercise testing presentation tool and application method |
| CN109166416A (en) * | 2018-08-31 | 2019-01-08 | 南京理工大学 | A kind of mechanics experiment with simple pendulum test device |
| CN108961950A (en) * | 2018-10-02 | 2018-12-07 | 马兆国 | A kind of physics puts down the apparatus for demonstrating of throwing, collision experiment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20170322 Termination date: 20180628 |