CN113593379A - Simple pendulum presentation device for physics experiments - Google Patents
Simple pendulum presentation device for physics experiments Download PDFInfo
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- CN113593379A CN113593379A CN202110933805.1A CN202110933805A CN113593379A CN 113593379 A CN113593379 A CN 113593379A CN 202110933805 A CN202110933805 A CN 202110933805A CN 113593379 A CN113593379 A CN 113593379A
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- 238000004804 winding Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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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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Abstract
The invention provides a simple pendulum demonstration device for a physical experiment, which belongs to the technical field of experimental devices and comprises a box body and a pendulum ball assembly arranged in the box body, wherein a first adjusting assembly and a second adjusting assembly are also arranged in the box body, and the first adjusting assembly is used for adjusting the swinging angle of the pendulum ball assembly; the first adjusting component comprises a supporting part and an offset component arranged on the supporting part in a sliding mode, and the offset component is used for shifting the ball body to drive the rope body to present a certain angle. In the embodiment of the invention, the height and angle of the pendulum ball assembly can be adjusted by matching the first adjusting assembly and the second adjusting assembly, so that multiple groups of experimental data can be formed, the accuracy of data obtained in a simple pendulum experiment is greatly improved, the pendulum ball is shifted by matching with the shifting assembly, the pendulum ball is different from the traditional manual operation, the ball body can be prevented from shifting in the swinging process, and the reliability of experimental results is improved.
Description
Technical Field
The invention belongs to the technical field of experimental devices, and particularly relates to a simple pendulum demonstration device for a physical experiment.
Background
The gravity acceleration is an important parameter in physics, and essentially reflects the strength of the gravity of the earth.
At present, the research to acceleration of gravity relies on the simple pendulum experiment to realize mostly, is about to hang the heavy object by a rope one end, and the other end hangs and locates the support top, utilizes artifical manual stirring heavy object for the heavy object is at the reciprocal swing of certain extent, and the recording correlation data can deduce acceleration of gravity numerical value, but the swing height of heavy object can't be adjusted under this kind of mode, makes the experimental data comparatively single, and the numerical accuracy of gained acceleration of gravity is not high.
Disclosure of Invention
In order to overcome the defects in the prior art, embodiments of the present invention provide a simple pendulum demonstration apparatus for physical experiments.
In order to solve the technical problems, the invention provides the following technical scheme:
a simple pendulum demonstration device for physical experiments comprises a box body and a pendulum ball component arranged on the box body,
a first adjusting component and a second adjusting component are further arranged in the box body;
the first adjusting assembly is used for adjusting the swinging angle of the swinging ball assembly;
the first adjusting component comprises a supporting part and an offset component arranged on the supporting part in a sliding mode, and the offset component is used for shifting the ball body to drive the rope body to present a certain angle;
the second adjusting component is used for synchronously adjusting the heights of the pendulum ball component and the first adjusting component.
As a further improvement of the invention: the pendulum ball subassembly includes the spheroid and with the rope body that the spheroid is connected, the rope body hangs in the box top.
As a further improvement of the invention: the second adjusting component comprises a winding wheel and a driving component used for driving the winding wheel to rotate, and one end of the rope body, far away from the ball body, extends to the inside of the top box and is wound on the winding wheel.
As a still further improvement of the invention: the driving assembly comprises a second bevel gear and an adjusting rod, the second bevel gear is arranged on one side of the winding wheel, the adjusting rod is fixedly arranged on one side of the second bevel gear, a first bevel gear is arranged inside the top box, the first bevel gear is meshed with the second bevel gear, and one end, far away from the first bevel gear, of the adjusting rod extends to the outside of the box body.
As a still further improvement of the invention: the utility model discloses a support portion, including the first spout, the first spout inner wall has been seted up to the first spout, the skew subassembly is in including sliding the setting the inside base of first spout and with the flexible complex movable stop lever of base, the fixed gag lever post that is provided with of base lateral wall, the gag lever post extends to inside and with second spout sliding fit of second spout.
As a still further improvement of the invention: a sleeve is fixedly arranged on one side of the supporting portion, the second adjusting assembly further comprises a third bevel gear arranged on the other side of the second bevel gear in a meshed mode and a lead screw fixedly arranged at one end of the third bevel gear, and one end, far away from the third bevel gear, of the lead screw penetrates through the sleeve and is in threaded fit with the sleeve.
As a still further improvement of the invention: the guide rail is installed to the box inner wall, the supporting part both ends all seted up with the draw-in groove of guide rail looks adaptation.
As a still further improvement of the invention: one side of the movable stop lever is provided with a groove matched with the ball body.
Compared with the prior art, the invention has the beneficial effects that:
in the embodiment of the invention, the height and angle of the pendulum ball assembly can be adjusted by matching the first adjusting assembly and the second adjusting assembly, so that multiple groups of experimental data can be formed, the accuracy of data obtained in a simple pendulum experiment is greatly improved, the pendulum ball is shifted by matching with the shifting assembly, the pendulum ball is different from the traditional manual operation, the ball body can be prevented from shifting in the swinging process, and the reliability of experimental results is improved.
Drawings
FIG. 1 is a schematic structural diagram of a simple pendulum demonstration device for physical experiments;
FIG. 2 is a schematic structural diagram of a support assembly in a simple pendulum demonstration device for physical experiments;
FIG. 3 is a schematic structural diagram of a deflection assembly in a simple pendulum demonstration device for physical experiments;
FIG. 4 is an enlarged view of area A of FIG. 1;
in the figure: the device comprises a box body 1, a guide rail 2, a support part 3, a ball 4, a screw 5, a rope 6, a top box 7, a first bevel gear 8, an adjusting rod 9, a handle 10, a winding wheel 11, a supporting shaft 12, a third bevel gear 13, a deviation component 14, a sleeve 15, a first sliding groove 16, a movable stop lever 17, a base 18, a limiting rod 19, a groove 20, a second sliding groove 21 and an elastic body 22.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1, the embodiment provides a simple pendulum demonstration apparatus for physical experiments, which includes a box 1 and a pendulum ball assembly disposed in the box 1, wherein a first adjusting assembly and a second adjusting assembly are further disposed in the box 1, the first adjusting assembly is used for adjusting a swing angle of the pendulum ball assembly, and the second adjusting assembly is used for synchronously adjusting heights of the pendulum ball assembly and the first adjusting assembly; the first adjusting component comprises a support part 3 and an offset component 14 arranged on the support part 3 in a sliding manner, wherein the offset component 14 is used for shifting the ball 4 to drive the rope body 6 to present a certain angle.
The swing angle of the swing ball assembly is adjusted through the first adjusting assembly, so that the swing ball assembly has different swing strokes, and the heights of the swing ball assembly and the first adjusting assembly are adjusted through the second adjusting assembly, so that the swing ball assembly swings at different heights, and the accuracy of an experimental result is enhanced; the ball 4 is shifted by the deviation component 14, and the ball 4 drives the rope 6 to present a certain angle, so that the ball 4 has swinging kinetic energy.
Referring to fig. 1, in one embodiment, the pendulum ball assembly includes a ball 4 and a rope 6 connected to the ball 4, and the rope 6 is suspended from the top of the box 1.
Referring to fig. 1, in an embodiment, the second adjusting assembly includes a top box 7 fixedly installed on the top of the box body 1, a winding wheel 11 rotatably installed inside the top box 7, and a driving assembly for driving the winding wheel 11 to rotate, wherein an end of the rope 6 away from the ball 4 extends into the top box 7 and is wound around the winding wheel 11; the driving assembly comprises a second bevel gear arranged on one side of the winding wheel 11 and an adjusting rod 9 fixedly arranged on one side of the second bevel gear, a first bevel gear 8 is arranged inside the top box 7, the first bevel gear 8 is meshed with one side of the second bevel gear, and one end, far away from the first bevel gear 8, of the adjusting rod 9 extends to the outside of the box body 1.
When the height of the ball 4 needs to be adjusted, the adjusting rod 9 can be rotated, the adjusting rod 9 drives the first bevel gear 8 to rotate, the winding wheel 11 is driven to rotate by the meshing action of the first bevel gear 8 and the second bevel gear, the winding wheel 11 unreels the rope body 6, and the rope body 6 can drive the ball 4 to move downwards when unreeling from the winding wheel 11, so that the height of the ball 4 can be adjusted.
In another embodiment, the adjusting rod 9 can be driven to rotate by a related driving mechanism such as a motor, so that the rolling wheel 11 can rotate, the rope body 6 drives the ball 4 to move up and down, the adjusting rod 9 can rotate automatically by the related driving mechanism such as the motor, manual operation can be replaced, physical strength is saved, and moving efficiency of the ball 4 is improved.
Referring to fig. 2-4, in an embodiment, a first sliding groove 16 is formed on the supporting portion 3, a second sliding groove 21 is formed on an inner wall of the first sliding groove 16, the offset assembly 14 includes a base 18 slidably disposed inside the first sliding groove 16 and a movable stop lever 17 telescopically engaged with the base 18, a limit rod 19 is fixedly disposed on a side wall of the base 18, and the limit rod 19 extends into the second sliding groove 21 and slidably engages with the second sliding groove 21.
When carrying out the simple pendulum experiment, can follow first spout 16 sliding base 18, base 18 drives movable pin 17 and removes, utilizes movable pin 17 laminating in spheroid 4 one side, and then drives spheroid 4 to the skew of one side for the rope body 6 presents certain angle, then pulls movable pin 17 to base 18 one side, makes movable pin 17 take out from spheroid 4 one side, and spheroid 4 can swing under the action of gravity.
In one embodiment, the movable stop lever 17 extends vertically through the base 18 and is telescopically engaged with the base 18.
Referring to fig. 1, in an embodiment, a sleeve 15 is fixedly disposed on one side of the supporting portion 3, the second adjusting assembly further includes a third bevel gear 13 engaged with the other side of the second bevel gear, and a screw rod 5 fixedly disposed at one end of the third bevel gear 13, and one end of the screw rod 5 away from the third bevel gear 13 penetrates through the sleeve 15 and is in threaded fit with the sleeve 15.
When first bevel gear 8 drives second bevel gear and rotates, meshing effect through between second bevel gear and the third bevel gear 13 drives third bevel gear 13 and rotates, and then drives lead screw 5 and rotates, through the screw thread engagement between lead screw 5 and the sleeve 15, can drive sleeve 15 and supporting part 3 and reciprocate, realize spheroid 4 and supporting part 3's synchronous motion promptly, make relative position between supporting part 3 and the spheroid 4 unchangeable all the time, guarantee that skew subassembly 14 can stir spheroid 4 all the time.
The above embodiment shows the matching among the screw 5, the third bevel gear 13 and the sleeve 15 to ensure the synchronous movement between the support part 3 and the ball 4, but not limited to this, and in another embodiment, the support part 3 can be controlled by other driving mechanisms to move up and down, such as an air cylinder, a hydraulic cylinder or a linear motor, and the matching among the screw 5, the third bevel gear 13 and the sleeve 15 in the above embodiment is aimed at realizing the linkage between the reel 11 and the support part 3 to avoid the increase of cost caused by adopting a more complicated driving mechanism.
Referring to fig. 1 and 2, in an embodiment, a guide rail 2 is installed on an inner wall of the box body 1, two ends of the supporting portion 3 are both provided with a clamping groove adapted to the guide rail 2, and when the screw rod 5 rotates, two ends of the supporting portion 3 are in sliding fit with the guide rail 2 through the clamping grooves, so that the supporting portion 3 can be ensured to move up and down smoothly.
Referring to fig. 1, in one embodiment, the winding wheel 11 is rotatably disposed inside the top box 7 through a support shaft 12, and one end of the adjusting lever 9, which is far away from the first bevel gear 8, extends to the outside of the box body 1 and is fixedly provided with a handle 10, so as to facilitate the rotating operation of the adjusting lever 9.
Referring to fig. 4, in an embodiment, an elastic body 22 is disposed inside the second sliding groove 21, one end of the elastic body 22 abuts against the limiting rod 19, and the other end abuts against an inner wall of the second sliding groove 21.
Through the arrangement of the elastic body 22, the base 18 can be elastically supported, so that after the base 18 slides along the inside of the first sliding groove 16, the base 18 can be released, and the movable stop lever 17 can be driven by the base 18 to reset.
Specifically, the elastic body 22 is a spring or other structure with an elastic function, and is not limited herein.
Referring to fig. 3, in another embodiment, a groove 20 adapted to the ball 4 is formed on one side of the movable stop lever 17.
When activity pin 17 drove spheroid 4 and removes, spheroid 4 can be located inside recess 20 to prevent spheroid 4 from taking place the displacement at activity pin 17 one side roll-off or activity pin 17 one side from activity pin 17 one side, and then lead to spheroid 4's swing route to receive the influence, in order to improve the accuracy nature of simple pendulum experiment.
In the above embodiment, the supporting portion 3 is preferably an arc-shaped rod structure to match the movement of the movable stop lever 17 to move the ball 4.
In the embodiment of the invention, the height and angle of the pendulum ball assembly can be adjusted by matching the first adjusting assembly and the second adjusting assembly, so that multiple groups of experimental data can be formed, the accuracy of data obtained in a simple pendulum experiment is greatly improved, the pendulum ball is shifted by matching with the shifting assembly, the pendulum ball is different from the traditional manual operation, the ball body can be prevented from shifting in the swinging process, and the reliability of experimental results is improved.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (8)
1. A simple pendulum demonstration device for physical experiments comprises a box body and a pendulum ball component arranged on the box body, and is characterized in that,
a first adjusting component and a second adjusting component are further arranged in the box body;
the first adjusting assembly is used for adjusting the swinging angle of the swinging ball assembly;
the first adjusting component comprises a supporting part and an offset component arranged on the supporting part in a sliding mode, and the offset component is used for shifting the ball body to drive the rope body to present a certain angle;
the second adjusting component is used for synchronously adjusting the heights of the pendulum ball component and the first adjusting component.
2. The simple pendulum demonstration device of claim 1 wherein the pendulum assembly comprises a sphere and a string connected to the sphere, the string being suspended from the top of the case.
3. The simple pendulum demonstration device for the physical experiment as claimed in claim 1, wherein the second adjustment component comprises a winding wheel and a driving component for driving the winding wheel to rotate, and one end of the rope body, which is far away from the ball body, extends to the inside of the top box and winds around the winding wheel.
4. The simple pendulum demonstration device for physical experiments according to claim 3, wherein the driving assembly comprises a second bevel gear disposed on one side of the winding wheel and an adjusting rod fixedly disposed on one side of the second bevel gear, a first bevel gear is disposed inside the top box and meshed with the second bevel gear, and one end of the adjusting rod, which is far away from the first bevel gear, extends to the outside of the box body.
5. The simple pendulum demonstration device for the physical experiment as claimed in claim 2, wherein a first sliding groove is formed in the supporting portion, a second sliding groove is formed in an inner wall of the first sliding groove, the offset assembly comprises a base which is slidably disposed inside the first sliding groove and a movable stop lever which is telescopically matched with the base, a limit rod is fixedly disposed on a side wall of the base, and the limit rod extends into the second sliding groove and is slidably matched with the second sliding groove.
6. The simple pendulum demonstration device for physical experiments according to claim 4, wherein a sleeve is fixedly arranged on one side of the supporting portion, the second adjustment assembly further comprises a third bevel gear which is engaged with the other side of the second bevel gear and a screw rod which is fixedly arranged at one end of the third bevel gear, and one end of the screw rod, which is far away from the third bevel gear, penetrates through the sleeve and is in threaded fit with the sleeve.
7. The simple pendulum demonstration device for the physical experiment according to any one of claims 1 to 6 wherein a guide rail is installed on the inner wall of the box body, and a clamping groove matched with the guide rail is formed at both ends of the supporting portion.
8. The simple pendulum demonstration device according to claim 5 wherein one side of the movable stop lever is provided with a groove adapted to the sphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110933805.1A CN113593379A (en) | 2021-08-15 | 2021-08-15 | Simple pendulum presentation device for physics experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110933805.1A CN113593379A (en) | 2021-08-15 | 2021-08-15 | Simple pendulum presentation device for physics experiments |
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| Publication Number | Publication Date |
|---|---|
| CN113593379A true CN113593379A (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110933805.1A Withdrawn CN113593379A (en) | 2021-08-15 | 2021-08-15 | Simple pendulum presentation device for physics experiments |
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| CN (1) | CN113593379A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116576963A (en) * | 2023-06-08 | 2023-08-11 | 淮阴工学院 | Mechanical single pendulum vibration detection device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4693687A (en) * | 1986-03-14 | 1987-09-15 | Hwang Ming Chuen | Apparatus for determining the acceleration of a moving object under gravity |
| CN101303810A (en) * | 2008-07-07 | 2008-11-12 | 南京化工职业技术学院 | Single pendulum vibration real-time demonstrator |
| CN204348181U (en) * | 2015-01-13 | 2015-05-20 | 韩永胜 | A kind of mechanics experiment with simple pendulum instructional device |
| CN109166416A (en) * | 2018-08-31 | 2019-01-08 | 南京理工大学 | A kind of mechanics experiment with simple pendulum test device |
| CN208834581U (en) * | 2018-03-29 | 2019-05-07 | 辽宁科技学院 | A physical pendulum experiment demonstration device |
| CN110718124A (en) * | 2019-11-15 | 2020-01-21 | 滨州学院 | An accurate pendulum experiment device |
| CN210574554U (en) * | 2019-09-29 | 2020-05-19 | 甘肃农业大学 | Simple pendulum device for experiment teaching |
| CN211149865U (en) * | 2019-12-30 | 2020-07-31 | 山东华宇工学院 | Simple pendulum experimental instrument |
| CN113053213A (en) * | 2019-12-26 | 2021-06-29 | 安徽春月科教设备有限公司 | Simple pendulum ball presentation device for physical teaching |
-
2021
- 2021-08-15 CN CN202110933805.1A patent/CN113593379A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4693687A (en) * | 1986-03-14 | 1987-09-15 | Hwang Ming Chuen | Apparatus for determining the acceleration of a moving object under gravity |
| CN101303810A (en) * | 2008-07-07 | 2008-11-12 | 南京化工职业技术学院 | Single pendulum vibration real-time demonstrator |
| CN204348181U (en) * | 2015-01-13 | 2015-05-20 | 韩永胜 | A kind of mechanics experiment with simple pendulum instructional device |
| CN208834581U (en) * | 2018-03-29 | 2019-05-07 | 辽宁科技学院 | A physical pendulum experiment demonstration device |
| CN109166416A (en) * | 2018-08-31 | 2019-01-08 | 南京理工大学 | A kind of mechanics experiment with simple pendulum test device |
| CN210574554U (en) * | 2019-09-29 | 2020-05-19 | 甘肃农业大学 | Simple pendulum device for experiment teaching |
| CN110718124A (en) * | 2019-11-15 | 2020-01-21 | 滨州学院 | An accurate pendulum experiment device |
| CN113053213A (en) * | 2019-12-26 | 2021-06-29 | 安徽春月科教设备有限公司 | Simple pendulum ball presentation device for physical teaching |
| CN211149865U (en) * | 2019-12-30 | 2020-07-31 | 山东华宇工学院 | Simple pendulum experimental instrument |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116576963A (en) * | 2023-06-08 | 2023-08-11 | 淮阴工学院 | Mechanical single pendulum vibration detection device |
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Application publication date: 20211102 |