CN205881265U - Experiment device for mechanics for physical teaching - Google Patents
Experiment device for mechanics for physical teaching Download PDFInfo
- Publication number
- CN205881265U CN205881265U CN201620261116.5U CN201620261116U CN205881265U CN 205881265 U CN205881265 U CN 205881265U CN 201620261116 U CN201620261116 U CN 201620261116U CN 205881265 U CN205881265 U CN 205881265U
- Authority
- CN
- China
- Prior art keywords
- cart
- support bar
- gripper shoe
- experimental device
- physics teaching
- 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.)
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Abstract
The utility model discloses an experiment device for mechanics for physical teaching, which comprises a cart, the below of shallow is equipped with two sets of roller trains, and two sets of roller trains are established at the both ends of shallow, and the roller train includes the columniform bracing piece, is equipped with two connecting rods on the bracing piece, and the axis symmetric distribution of bracing piece is followed to two connecting rods, and two connecting rods connect with support pole through the third pivot, be equipped with the spring between connecting rod and the bracing piece, the spring is in tensile state, the axis symmetric distribution of bracing piece is followed to two springs, the utility model discloses the device is through the setting of roller train, object weight's change in the accessible shallow, and the static free quick switching with the motion of roller train is realized to the motion state of automatically regulated roller train, carrying out a plurality of physical experiments such as law of conservation of energy, theorem of momentum, having solved the difficult problem that can't carry out a plurality of experiments simultaneously, the teaching is lively, has improved the teaching efficiency.
Description
Technical field
This utility model relates to a kind of physics teaching dynamics experimental device, belongs to teaching aid field.
Background technology
In physics teaching, needing to use a lot of theorem, axiom etc., simple explanation is the most uninteresting, is unfavorable for student's
Learning and memory, and much formula is easily obscured, and makes student learning interest the highest, have impact on the carrying out of teaching.
In order to allow teaching become apparent from and vividly, physics teaching be provided with multiple experiment, needs to use different realities
Testing apparatus, experimental apparatus is too much, causes simply just coordinating experiment to impart knowledge to students, when multiple fixed in teaching when teaching this theorem
Ought to the used time, owing to experimental apparatus is too much, be stiff explanation when causing explanation, it is impossible to coordinate experiment to impart knowledge to students, reduce
The efficiency of teaching；And when carrying out many Experimental comparison, the regulation experiment appliance time is long, loses time.
Owing to experiment utility cart is to use simple roller to install, it is impossible to regulate its motion and standstill state, be unfavorable for
The combination of experiment.
Utility model content
The technical problems to be solved in the utility model is for above not enough, it is provided that a kind of physics teaching Experiments of Machanics fill
Put, have and regulate go-cart campaign by gravity, it is achieved go-cart is at static and kinestate rapid translating, and conversion is convenient and can enter
The advantage of the multiple Physical Experiments of row.
For solve above technical problem, this utility model by the following technical solutions:
A kind of physics teaching dynamics experimental device, including go-cart, the lower section of described go-cart is provided with two groups of roller groups, two groups
Roller group is located at the two ends of go-cart, and roller group includes the support bar of cylinder, and support bar is provided with two connecting rods, two connecting rod edges
The axisymmetrical distribution of support bar, two connecting rods are connect with support bar axle by the 3rd rotating shaft；
Being provided with spring between described connecting rod and support bar, spring is in extended state；
Said two spring is distributed along the axisymmetrical of support bar.
The following is and the further of such scheme is optimized:
Described connecting rod is provided with wheel body away from one end of support bar.
The lower section of described support bar is provided with sucker.
When in go-cart without additonal pressure, the bottom of sucker is higher than the bottom of wheel body, and go-cart is in freely-movable state.
When there being additonal pressure in go-cart, the bottom of sucker is concordant with the bottom of wheel body, and go-cart remains static.
The lower section of described go-cart is provided with the shape of base, base and go-cart and is cuboid, and being arranged above of base is smooth
Table top；
The center hinge of described go-cart is connected to the gripper shoe of cuboid, and the top of gripper shoe is hinged with fork, another of fork
End connection has gravitation ball, a length of 30-50cm of go-cart, and it is more than the half of base length, and more than the length of gripper shoe.
Described go-cart is provided with protractor with the hinged place of gripper shoe, and gripper shoe is provided with the first rotating shaft and the second rotating shaft, the
Two rotating shafts run through gripper shoe and protractor, and the first rotating shaft runs through gripper shoe and fork.
After this utility model uses above technical scheme, compared with prior art, have the advantage that this utility model fills
Put the setting by roller group, the kinestate of roller group can be automatically adjusted, it is achieved rolling by the change of weight of object in go-cart
The static free rapid translating with motion of wheels；Carry out multiple Physical Experiment such as law of conservation of energy, momentum theorem, solve nothing
Method carries out a difficult problem for multiple experiment simultaneously, and teaching is lively, improves teaching efficiency.
With embodiment, this utility model is described in detail below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation during this utility model device verifying energy conservation law；
Accompanying drawing 2 is roller group and the attachment structure schematic diagram of support tube in accompanying drawing 1；
In figure,
1-base, 2-go-cart, 3-gripper shoe, 31-the first rotating shaft, 32-the second rotating shaft, 4-fork, 5-gravitation ball, 6-angulation
Device, 7-roller group, 71-support bar, 72-connecting rod, 73-wheel body, 74-the 3rd rotating shaft, 75-spring, 76-sucker.
Detailed description of the invention
Embodiment, as shown in Figures 1 and 2, a kind of physics teaching dynamics experimental device, including base 1, base 1
Be shaped as cuboid, base 1 be arranged above smooth table top, the go-cart 2 being arranged over cuboid of base 1, in go-cart 2
The heart is hinged with the gripper shoe 3 of cuboid, and the top of gripper shoe 3 is hinged with fork 4, and the other end of fork 4 connects gravitation ball 5,
The a length of 30-50cm of go-cart 2, it is more than the half of base 1 length, and more than the length of gripper shoe 3.
Go-cart 2 is provided with protractor 6 with the hinged place of gripper shoe 3, and gripper shoe 3 is provided with the first rotating shaft 31 and the second rotating shaft
32, the second rotating shaft 32 runs through gripper shoe 3 and protractor 6, and the first rotating shaft 31 runs through gripper shoe 3 and fork 4.
The lower section of go-cart 2 is provided with two groups of roller groups 7, and two groups of roller groups 7 are located at the two ends of go-cart 2, and roller group 7 includes cylinder
The support bar 71 of shape, support bar 71 is provided with two connecting rods 72, and two connecting rods 72 are distributed along the axisymmetrical of support bar 71, two
Connecting rod 72 is connect with support bar 71 axle by the 3rd rotating shaft 74；
Being provided with spring 75 between connecting rod 72 and support bar 71, spring 75 is in extended state；
Two springs 75 are distributed along the axisymmetrical of support bar 71.
The other end of connecting rod 72 is provided with wheel body 73.
The lower section of support bar 71 is provided with sucker 76.
When in go-cart 2 without additonal pressure, the bottom of sucker 76 is higher than the bottom of wheel body 73, and go-cart 2 is in free motion
State.
When having additonal pressure in go-cart 2, the bottom of sucker 76 is concordant with the bottom of wheel body 73, and go-cart 2 is in static shape
State.
During use, when needing to carry out law of conservation of energy experiment, gripper shoe 3 is vertically arranged and fixes, fork 4 is tilted
Certain angle also allows it freely swing, so that go-cart 2 is moved, when fork 4 stop motion, go-cart 2 returns to origin-location, raw
Dynamic illustrates law of conservation of energy.
When needing to carry out momentum theorem experiment, gripper shoe 3 is tilted certain angle, gripper shoe 3 is placed required real
Testing apparatus, due to the effect of gravity, support bar 71 moves downward, and makes the upper plane contact of the bottom of sucker 76 and base 1 also
Hold, make wheel body 73 to rotate, thus carry out the experiment of momentum theorem easily.
The above is the citing of this utility model preferred forms, and the part addressed the most in detail is this area
The common knowledge of those of ordinary skill.Protection domain of the present utility model is as the criterion with the content of claim, any based on this reality
The equivalent transformation carried out with novel technology enlightenment, also within protection domain of the present utility model.
Claims (7)
1. a physics teaching dynamics experimental device, including go-cart (2), it is characterised in that: the lower section of described go-cart (2) is provided with
Two groups of roller groups (7), two groups of roller groups (7) are located at the two ends of go-cart (2), and roller group (7) includes the support bar (71) of cylinder,
Support bar (71) is provided with two connecting rods (72), and two connecting rods (72) are distributed along the axisymmetrical of support bar (71), two connecting rods
(72) connect with support bar (71) axle by the 3rd rotating shaft (74)；
Being provided with spring (75) between described connecting rod (72) and support bar (71), spring (75) is in extended state；
Said two spring (75) is distributed along the axisymmetrical of support bar (71).
2. physics teaching dynamics experimental device as claimed in claim 1 a kind of, it is characterised in that: described connecting rod (72) away from
One end of support bar (71) is provided with wheel body (73).
3. a kind of physics teaching dynamics experimental device as claimed in claim 1, it is characterised in that: described support bar (71)
Lower section is provided with sucker (76).
4. physics teaching dynamics experimental device as claimed in claim 1 a kind of, it is characterised in that: when in go-cart (2) without attached
During plus-pressure, the bottom of sucker (76) is higher than the bottom of wheel body (73), and go-cart (2) is in freely-movable state.
5. a kind of physics teaching dynamics experimental device as claimed in claim 1, it is characterised in that: attached when having in go-cart (2)
During plus-pressure, the bottom of sucker (76) is concordant with the bottom of wheel body (73), and go-cart (2) remains static.
6. a kind of physics teaching dynamics experimental device as claimed in claim 1, it is characterised in that: under described go-cart (2)
Side be provided with base (1), the shape of base (1) and go-cart (2) is cuboid, base (1) be arranged above smooth table top；
The center hinge of described go-cart (2) is connected to the gripper shoe (3) of cuboid, and the top of gripper shoe (3) is hinged with fork (4), pendulum
The other end of bar (4) connects gravitation ball (5), a length of 30-50cm of go-cart (2), and it is more than the half of base (1) length,
And more than the length of gripper shoe (3).
7. physics teaching dynamics experimental device as claimed in claim 1 a kind of, it is characterised in that: described go-cart (2) with
The hinged place of fagging (3) is provided with protractor (6), and gripper shoe (3) is provided with the first rotating shaft (31) and the second rotating shaft (32), second turn
Axle (32) runs through gripper shoe (3) and protractor (6), and the first rotating shaft (31) runs through gripper shoe (3) and fork (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620261116.5U CN205881265U (en) | 2016-03-31 | 2016-03-31 | Experiment device for mechanics for physical teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620261116.5U CN205881265U (en) | 2016-03-31 | 2016-03-31 | Experiment device for mechanics for physical teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205881265U true CN205881265U (en) | 2017-01-11 |
Family
ID=57686397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620261116.5U Expired - Fee Related CN205881265U (en) | 2016-03-31 | 2016-03-31 | Experiment device for mechanics for physical teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205881265U (en) |
-
2016
- 2016-03-31 CN CN201620261116.5U patent/CN205881265U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20180331 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |