CN205038876U - Collision experiment's display device among physical teaching - Google Patents
Collision experiment's display device among physical teaching Download PDFInfo
- Publication number
- CN205038876U CN205038876U CN201520574225.8U CN201520574225U CN205038876U CN 205038876 U CN205038876 U CN 205038876U CN 201520574225 U CN201520574225 U CN 201520574225U CN 205038876 U CN205038876 U CN 205038876U
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- collision
- axle sleeve
- fixed
- experiment
- orbit
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Abstract
The utility model discloses a collision experiment's display device among physical teaching, including fixing collision orbit, lower carriage, upper bracket, pendulum rod, pendulum and spin on a rotary lifting mechanism, the both sides of outer axle sleeve are equipped with the hydraulic pressure support column of symmetric distribution, the collision orbit be the arc track that one side is high, the opposite side is low, in the collision orbit was arranged in to the spin, the welding of pendulum top had a pendulum rod, lower carriage bottom and collision orbit are by the bolt fastening, it is fixed by fastening bolt between support and the lower carriage. The utility model discloses verify to the swing frequency that researchs and analyses damping single degree of freedom free vibration and under the arbitrary excitation condition that the response through electromechanical system Dynamics emulation all has positive, and test the counselor and can carry out the all -round show at 360 no dead angles to the operating procedure and method for of testing through rotary lifting mechanism, the student that lets that can be abundant experiences the enjoyment and the mystery of physical experiment.
Description
Technical field
The utility model relates to tutor auxiliary platform instrument field, is specially the exhibiting device of collision experiment in a kind of physics teaching.
Background technology
In existing physics teaching experiment, the experiment teaching aid form relevant with collision is more single, is association area such as research theorem of momentum and law of conservation of energy etc. mostly, the vibrational system research experiment teaching aid that special shortage is relevant to Reformation of Mechanical Vibration.Therefore, for research has the actual hunting period of the forced vibration of damping single-mode system in practice, research has the dynamic frequency of damping system to respond, and the rationality of proof machine electric system dynamic simulation analysis, need the experiment teaching aid inventing a kind of mechanical vibration collision system; And in process of the test, teacher is because instrument fixes on the table in the operation steps of carrying out lecture experiment, and a lot of details and key points for operation cannot once show student to see, are unfavorable for testing the raising viewing and emulating effect, need to improve.
Summary of the invention
The purpose of this utility model is the exhibiting device providing collision experiment in a kind of physics teaching, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
An exhibiting device for collision experiment in physics teaching, comprises the collision orbit, lower carriage, upper bracket, fork, pendulum and the spin that are fixed on a rotary lifting mechanism; Described rotary lifting mechanism comprises a connecting seat, immediately below Connection Block, be provided with fixed head, and fixed head is arranged on underframe, and described Connection Block lower surface and fixed head upper surface are provided with corresponding annular slot rolling, is provided with ball in described annular slot rolling; Outer shaft is straight up fixed with in the middle part of described underframe, outer shaft inside is provided with the internal axle sleeve be mated, the lower end internal slide connection rotating shaft of described internal axle sleeve, the lower end outside of described rotating shaft is provided with power wheel, described power wheel is connected with the speed reduction unit be arranged on underframe by driving-belt, and the input end of speed reduction unit is connected with the output shaft of drive motor; Symmetrical hydraulic supporting dagger is provided with in the both sides of described outer shaft; Described collision orbit is the arc track that side is high, opposite side is low, and spin is placed in collision orbit, and pendulum welded top has fork, is bolted bottom lower carriage with collision orbit; Fixed by fastening bolt between support and lower carriage, upper bracket top is provided with the multidiameter of level, and on multidiameter, cover has bearing, and bearing is fixed with axle sleeve.
As the utility model further technical scheme, the upper surface of internal axle sleeve is closed and is fixedly connected with the center bottom of described Connection Block, and wherein outer shaft inside surface and internal axle sleeve outside surface are shiny surface.
As the utility model further technical scheme, the lower end of described rotating shaft is cylindrical, and upper end is rectangular-shaped.
As the utility model further technical scheme, fixed by adjusting bolt between described axle sleeve and fork.
Compared with prior art, the utility model can by regulating upper bracket height and oscillating bar length and changing the experiment that spin realizes not syn-collision in experimentation, be conducive to making the experiment of mechanical vibration collision system simple and clear, have positive effect for the hunting frequency researching and analysing the free vibration of damping single-degree-of-freedom and the response that is verified Mechatronic Systems dynamic simulation under any exciting condition; And experiment instruction teacher can carry out 360 ° of comprehensive displayings without dead angle by rotary lifting mechanism to the operation steps of experiment and method, and student can be allowed fully to experience enjoyment and the mystery of Physical Experiment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the exhibiting device of collision experiment in a kind of physics teaching of the utility model.
Fig. 2 is the partial left side view of collision orbit part in the utility model.
Embodiment
Be described in more detail below in conjunction with the technical scheme of embodiment to this patent.
Refer to Fig. 1, the exhibiting device of collision experiment in a kind of physics teaching, comprise the collision orbit 8 be fixed on a rotary lifting mechanism, lower carriage 6, upper bracket 5, fork 2, pendulum 1 and spin 7, described rotary lifting mechanism comprises a connecting seat 10, fixed head 11 is provided with immediately below Connection Block 10, fixed head 11 is arranged on underframe 14, and described Connection Block 10 lower surface and fixed head 11 upper surface are provided with corresponding annular slot rolling 18, is provided with ball 9 in described annular slot rolling 18, outer shaft 13 is straight up fixed with in the middle part of described underframe 14, outer shaft 13 inside is provided with the internal axle sleeve be mated, the upper surface of internal axle sleeve is closed and is fixedly connected with the center bottom of described Connection Block 10, wherein outer shaft 13 inside surface and internal axle sleeve outside surface are shiny surface, the lower end internal slide connection rotating shaft 12 of described internal axle sleeve, the lower end of rotating shaft 12 is cylindrical, upper end is rectangular-shaped, the lower end outside of described rotating shaft 16 is provided with power wheel 15, described power wheel 15 is connected with the speed reduction unit be arranged on underframe 14 by driving-belt, the input end of speed reduction unit is connected with the output shaft of drive motor 16, symmetrical hydraulic supporting dagger 17 is provided with in the both sides of described outer shaft 16,
Described collision orbit 8 is the arc track that side is high, opposite side is low, and spin 7 is placed in collision orbit 8, and pendulum 1 welded top has fork 2, is bolted bottom lower carriage 6 with collision orbit 8; Fixed by fastening bolt 61 between support 3 and lower carriage 6, upper bracket 5 top is provided with the multidiameter 42 of level, and on multidiameter 42, cover has bearing 3, and bearing 3 is fixed with axle sleeve 4, is fixed between axle sleeve 4 and fork 2 by adjusting bolt 61; By the height regulating fastening bolt 23 can adjust upper bracket 5, meanwhile, can be adjusted the length of fork 2 by adjusting bolt 41, spin 7 also can be changed.
Can by regulating upper bracket 5 height with fork 2 length and changing the experiment that spin 7 realizes not syn-collision in experimentation, be conducive to making the experiment of mechanical vibration collision system simple and clear, have positive effect for the hunting frequency researching and analysing the free vibration of damping single-degree-of-freedom and the response that is verified Mechatronic Systems dynamic simulation under any exciting condition; And experiment instruction teacher can carry out 360 ° of comprehensive displayings without dead angle by rotary lifting mechanism to the operation steps of experiment and method, and student can be allowed fully to experience enjoyment and the mystery of Physical Experiment.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, various change can also be made under the prerequisite not departing from this patent aim.
Claims (4)
1. the exhibiting device of collision experiment in physics teaching, is characterized in that, comprise the collision orbit, lower carriage, upper bracket, fork, pendulum and the spin that are fixed on a rotary lifting mechanism; Described rotary lifting mechanism comprises a connecting seat, immediately below Connection Block, be provided with fixed head, and fixed head is arranged on underframe, and described Connection Block lower surface and fixed head upper surface are provided with corresponding annular slot rolling, is provided with ball in described annular slot rolling; Outer shaft is straight up fixed with in the middle part of described underframe, outer shaft inside is provided with the internal axle sleeve be mated, the lower end internal slide connection rotating shaft of described internal axle sleeve, the lower end outside of described rotating shaft is provided with power wheel, described power wheel is connected with the speed reduction unit be arranged on underframe by driving-belt, and the input end of speed reduction unit is connected with the output shaft of drive motor; Symmetrical hydraulic supporting dagger is provided with in the both sides of described outer shaft; Described collision orbit is the arc track that side is high, opposite side is low, and spin is placed in collision orbit, and pendulum welded top has fork, is bolted bottom lower carriage with collision orbit; Fixed by fastening bolt between support and lower carriage, upper bracket top is provided with the multidiameter of level, and on multidiameter, cover has bearing, and bearing is fixed with axle sleeve.
2. the exhibiting device of collision experiment in a kind of physics teaching according to claim 1, it is characterized in that, the upper surface of internal axle sleeve is closed and is fixedly connected with the center bottom of described Connection Block, and wherein outer shaft inside surface and internal axle sleeve outside surface are shiny surface.
3. the exhibiting device of collision experiment in a kind of physics teaching according to claim 1, it is characterized in that, the lower end of described rotating shaft is cylindrical, and upper end is rectangular-shaped.
4. the exhibiting device of collision experiment in a kind of physics teaching according to claim 1, be is characterized in that, fixed between described axle sleeve and fork by adjusting bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520574225.8U CN205038876U (en) | 2015-08-03 | 2015-08-03 | Collision experiment's display device among physical teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520574225.8U CN205038876U (en) | 2015-08-03 | 2015-08-03 | Collision experiment's display device among physical teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205038876U true CN205038876U (en) | 2016-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520574225.8U Expired - Fee Related CN205038876U (en) | 2015-08-03 | 2015-08-03 | Collision experiment's display device among physical teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205038876U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106940947A (en) * | 2017-04-19 | 2017-07-11 | 刘海娟 | A kind of classroom experiment swing ball experimental demonstration device |
-
2015
- 2015-08-03 CN CN201520574225.8U patent/CN205038876U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106940947A (en) * | 2017-04-19 | 2017-07-11 | 刘海娟 | A kind of classroom experiment swing ball experimental demonstration device |
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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: 20160217 Termination date: 20160803 |