CN104952318A - Centrifugal force experiment instrument for teaching - Google Patents
Centrifugal force experiment instrument for teaching Download PDFInfo
- Publication number
- CN104952318A CN104952318A CN201510276500.2A CN201510276500A CN104952318A CN 104952318 A CN104952318 A CN 104952318A CN 201510276500 A CN201510276500 A CN 201510276500A CN 104952318 A CN104952318 A CN 104952318A
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- CN
- China
- Prior art keywords
- steel wire
- dwang
- centrifugal force
- ball
- rotating rod
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
- G09B23/10—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of solid bodies
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Algebra (AREA)
- Pure & Applied Mathematics (AREA)
- Educational Administration (AREA)
- Computational Mathematics (AREA)
- Business, Economics & Management (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Toys (AREA)
Abstract
The invention discloses a centrifugal force experiment instrument for teaching, and belongs to the field of experiment equipment. The centrifugal force experiment instrument for teaching comprises a base, a rotating rod and a motor, the rotating rod is vertically arranged on the base, the motor drives the rotating rod to rotate, a turntable is arranged on the rotating rod, a first steel wire, a second steel wire and a third steel wire are arranged on the circumference of the turntable at intervals, free ends of the first steel wire, the second steel wire and the third steel wire are correspondingly connected with a first demonstration ball, a second demonstration ball and a third demonstration ball respectively, the length of the second steel wire is as same as that of the first steel wire, the length of the third steel wire is different from that of the first steel wire, the weight of the second demonstration ball is different from that of the first demonstration ball, the weight of the third demonstration ball is as same as that of the first demonstration ball, and a rotating rod stabilizing device is arranged on the upper portion of the rotating rod. The rotating rod can generate huge centrifugal force in the rotating process, normal rotation of the rotating rod can be ensured by the aid of the rotating rod stabilizing device arranged on the upper portion of the rotating rod, large shake is avoided, and experimental stability and reliability are improved.
Description
Technical field
The present invention relates to a kind of experiment instrument, being specifically a kind of centrifugal force experiment instrument for imparting knowledge to students, belonging to experiment equipment field.
Background technology
In middle and primary schools' teaching process, centrifugal force experiment instrument usually to be adopted to carry out demonstrating to the generation of centrifugal force and principle and explain, to improve teaching efficiency.Existing centrifugal force experiment instrument structure is comparatively complicated, and stable experiment difference and reliability, unfavorable concrete teaching explanation, experiment effect cannot reach expection.
Summary of the invention
Technical matters to be solved by this invention is to overcome prior art defect, provides a kind of Stability Analysis of Structures, can improve the centrifugal force experiment instrument for imparting knowledge to students of stable experiment.
In order to solve the problems of the technologies described above, centrifugal force experiment instrument for imparting knowledge to students provided by the invention, comprise base, the motor being vertically arranged on the dwang on base and driving dwang to rotate, described dwang is provided with rotating disk, the circumferentially interval of described rotating disk arranges the first steel wire, second steel wire and the 3rd steel wire, described first steel wire, the free end of the second steel wire and the 3rd steel wire is connected respectively the first demonstration ball, second demonstration ball and the 3rd demonstration ball, described second steel wire is identical with the length of the first steel wire, described 3rd steel wire is different from the length of the first steel wire, the quality that ball demonstrated by described second demonstration ball and first is different, the identical in quality of ball demonstrated by described 3rd demonstration ball and first, described dwang top is provided with dwang stabilising arrangement.
In the present invention, dwang base stabilising arrangement comprises the portal trestle be fixedly connected with chassis and the stable bearing being fixed on portal trestle top, and described dwang is through bearing.
In the present invention, rotating disk is heart clutch disk, and the center of described center clutch disk is fixed on dwang, described center clutch disk be circumferentially provided with three pickup grooves at equal intervals, described pickup groove arranged outside block.
In the present invention, the surrounding of dwang is provided with transparent protective cover.
Beneficial effect of the present invention is: (1), dwang can produce huge centrifugal force in rotation process, by arranging dwang stabilising arrangement on dwang top, can ensure that dwang normally rotates, avoid large rocking occurs, improve stability and the reliability of experiment, extend the serviceable life of centrifugal force experiment instrument; (2), outside pickup groove block is set, can avoids demonstrating ball in rotation process and come off; (3), the surrounding of dwang is provided with transparent protective cover, while being convenient to viewing, preventing demonstration ball from coming off and to damage viewing personnel.
Accompanying drawing explanation
Fig. 1 is the present invention for the structural representation of the centrifugal force experiment instrument of imparting knowledge to students;
Fig. 2 is turntable structure schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1, the centrifugal force experiment instrument of the present invention for imparting knowledge to students, comprises base 1, dwang 2, protective cover 3, motor 4 and portal trestle 5.Dwang 2 is vertically arranged on base 1, and base 1 is provided with fixed block 9, installs bearing 8 in fixed block 9, and the lower end of dwang 2 is through bearing 8, and dwang 2 lower end connects bevel gear 7.Base 1 is hollow structure, and the below of base 1 is provided with motor 4, and the output shaft of motor 4 connects bevel gear 6, and bevel gear 6 is meshed with bevel gear 7, thus realizes motor 4 and drive dwang 2 to rotate.
Portal trestle 5 is erected on base 1, and stable bearing 10 is installed in the top of portal trestle 5, and stable bearing 10 aligns with bearing 8, and the upper end of dwang 2 is through stable bearing 10.
As illustrated in fig. 1 and 2, dwang 2 is provided with rotating disk 11, rotating disk 11 comprises a center clutch disk, the center of center clutch disk is fixed on dwang 2, the first steel wire 15, second steel wire 14 and the 3rd steel wire 16 are fixed in being circumferentially provided with at equal intervals in three pickup grooves, 12, three pickup grooves 12 of center clutch disk respectively.The outside of three pickup grooves 12 is equipped with block 13, and block 13 can prevent steel wire in rotation process from occurring to implement.
First steel wire 15, second steel wire 14 and the free end of the 3rd steel wire 16 are connected the first demonstration ball 17, second respectively and demonstrate ball 18 and the 3rd demonstration ball 19, second steel wire 14 is identical with the length of the first steel wire 15,3rd steel wire 16 is different from the length of the second steel wire 14, first steel wire 15, the quality that ball 17 demonstrated by second demonstration ball 18 and first is different, and the identical in quality of ball 17 demonstrated by the 3rd demonstration 19 balls and first.In present embodiment, the first demonstration ball 17 and the 3rd demonstration ball 19 are steel ball, and the second demonstration ball 18 is baton round.
As shown in Figure 1, protective cover 3 adopts transparent organic glass to make, and it is arranged on the surrounding of above-mentioned dwang 2, is placed in cover by rotating disk 11, steel wire and demonstration ball, while being convenient to viewing experiment, can preventing from demonstrating in rotation process ball and come off and hurt sb.'s feelings.
The above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, can also make some improvement under the premise without departing from the principles of the invention, and these improvement also should be considered as protection scope of the present invention.
Claims (4)
1. the centrifugal force experiment instrument for imparting knowledge to students, comprise base, the motor being vertically arranged on the dwang on base and driving dwang to rotate, described dwang is provided with rotating disk, the circumferentially interval of described rotating disk arranges the first steel wire, second steel wire and the 3rd steel wire, described first steel wire, the free end of the second steel wire and the 3rd steel wire is connected respectively the first demonstration ball, second demonstration ball and the 3rd demonstration ball, described second steel wire is identical with the length of the first steel wire, described 3rd steel wire is different from the length of the first steel wire, the quality that ball demonstrated by described second demonstration ball and first is different, the identical in quality of ball demonstrated by described 3rd demonstration ball and first, it is characterized in that: described dwang top is provided with dwang stabilising arrangement.
2. the centrifugal force experiment instrument for imparting knowledge to students according to claim 1, is characterized in that: described dwang base stabilising arrangement comprises the portal trestle be fixedly connected with chassis and the stable bearing being fixed on portal trestle top, and described dwang is through bearing.
3. the centrifugal force experiment instrument for imparting knowledge to students according to claim 2, it is characterized in that: clutch disk centered by described rotating disk, the center of described center clutch disk is fixed on dwang, described center clutch disk be circumferentially provided with three pickup grooves at equal intervals, be provided with block outside described pickup groove.
4. the centrifugal force experiment instrument for imparting knowledge to students according to claim 3, is characterized in that: the surrounding of described dwang is provided with transparent protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510276500.2A CN104952318A (en) | 2015-05-27 | 2015-05-27 | Centrifugal force experiment instrument for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510276500.2A CN104952318A (en) | 2015-05-27 | 2015-05-27 | Centrifugal force experiment instrument for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104952318A true CN104952318A (en) | 2015-09-30 |
Family
ID=54166935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510276500.2A Pending CN104952318A (en) | 2015-05-27 | 2015-05-27 | Centrifugal force experiment instrument for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104952318A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106355977A (en) * | 2016-11-15 | 2017-01-25 | 合肥探奥自动化有限公司 | Inertia centrifugal phenomenon presentation device suitable for science popularization venue |
| CN107945632A (en) * | 2017-11-27 | 2018-04-20 | 国网技术学院 | A kind of split type training on electric power equipment |
| CN108677726A (en) * | 2018-06-05 | 2018-10-19 | 江北建设有限公司 | A kind of room bridge construction beam support frame for construction clutch disk |
-
2015
- 2015-05-27 CN CN201510276500.2A patent/CN104952318A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106355977A (en) * | 2016-11-15 | 2017-01-25 | 合肥探奥自动化有限公司 | Inertia centrifugal phenomenon presentation device suitable for science popularization venue |
| CN107945632A (en) * | 2017-11-27 | 2018-04-20 | 国网技术学院 | A kind of split type training on electric power equipment |
| CN108677726A (en) * | 2018-06-05 | 2018-10-19 | 江北建设有限公司 | A kind of room bridge construction beam support frame for construction clutch disk |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150930 |
|
| WD01 | Invention patent application deemed withdrawn after publication |