CN111951646A - Rotation law demonstration device - Google Patents
Rotation law demonstration device Download PDFInfo
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- CN111951646A CN111951646A CN202010777280.2A CN202010777280A CN111951646A CN 111951646 A CN111951646 A CN 111951646A CN 202010777280 A CN202010777280 A CN 202010777280A CN 111951646 A CN111951646 A CN 111951646A
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- groove
- box body
- turntable
- shaped
- rotation
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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
Abstract
The invention discloses a rotation law demonstration device, which comprises a box body, a first rotating shaft and a rotating disc, wherein the box body is provided with a first rotating shaft and a second rotating shaft; a turntable groove is formed in one side of the box body; a turntable is rotatably arranged in the turntable groove through a first rotating shaft; a plurality of groups of needles are uniformly distributed on the side edge of the rotary table; a T-shaped groove is formed in one side of the rotary disc; a sliding block is arranged in the T-shaped groove in a sliding manner; a touch screen sensor is fixedly arranged on one side of the turntable groove and movably abutted against the needle; a first square groove is formed in the box body above the turntable groove; a controller is fixedly arranged in the first square groove and is electrically connected with the touch screen sensor; one side of the top end of the box body is provided with a weight groove; a plurality of groups of weights are arranged in the weight grooves, and the weights are different in size; the device can drive the rotary table to rotate by the weight under the action of gravity, and the needle on the rotary table abuts against the touch screen sensor for times to obtain related data, so that the device is simple to operate and is convenient for students to understand more easily when studying the law of rotation.
Description
Technical Field
The invention relates to the technical field of teaching devices, in particular to a rotation law demonstration device.
Background
The rigid body dead axle rotation law means that the resultant external moment applied to a rigid body to a certain dead axle is equal to the product of the moment of inertia of the rigid body to the dead axle and the angular acceleration obtained by the rigid body under the action of the resultant external moment.
At present, no device which can be used for demonstrating the rotation law in a classroom exists in the market, and students can difficultly learn the law because no test data can hardly understand the meaning of the rotation law in the process of learning the rotation law, and the teaching effect of teachers in teaching the law is poor.
Disclosure of Invention
The invention aims to provide a rotation law demonstration device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a rotation law demonstration device comprises a box body, a first rotating shaft and a rotating disc; a turntable groove is formed in one side of the box body; a turntable is rotatably arranged in the turntable groove through a first rotating shaft; a plurality of groups of needles are uniformly distributed on the side edge of the rotary table; a T-shaped groove is formed in one side of the rotary disc; a sliding block is arranged in the T-shaped groove in a sliding manner; a touch screen sensor is fixedly arranged on one side of the turntable groove and movably abutted against the needle; a first square groove is formed in the box body above the turntable groove; a controller is fixedly arranged in the first square groove and is electrically connected with the touch screen sensor; one side of the top end of the box body is provided with a weight groove; a plurality of groups of weights are arranged in the weight grooves, and the weights are different in size; the top end of the weight groove is rotatably provided with a door plate through a first rotating shaft.
Furthermore, a ring groove is formed in the side edge of one end, away from the rotary table, of the sliding block; the middle part of one end of the sliding block, which is close to the rotary table, is provided with a fixed groove; the inner fixing groove is movably provided with a fixing device.
Further, the fixing device comprises a spring, a strip-shaped plate and a pressure rod; the spring is arranged in one side of the second square groove close to the T-shaped groove; the second square groove is arranged on one side, away from the sliding block, of the T-shaped groove and is communicated with the T-shaped groove; a plurality of groups of springs are uniformly and fixedly arranged on one side of the strip-shaped plate away from the T-shaped groove; a plurality of groups of fixing pins are uniformly and fixedly arranged on one side of the strip-shaped plate close to the T-shaped groove; the fixing pin is arranged in the T-shaped groove; the fixing pin is movably arranged in the fixing groove; two ends of one side of the strip-shaped plate, which is close to the T-shaped groove, are symmetrically and fixedly provided with pressure rods; one end of the pressure lever, which is far away from the strip-shaped plate, is arranged on the outer side of the turntable.
Furthermore, support plates are symmetrically arranged on two sides of the box body in a sliding mode; the top end of the supporting plate is fixedly provided with a limiting block; the middle part of one side of the limiting block, which is far away from the turntable groove, is provided with a thread groove; and the thread in the thread groove is fixedly connected with a bolt.
Further, the supporting plate and the thread groove are both arranged in the third square groove in a sliding mode; the third square grooves are symmetrically arranged in two sides of the box body; a through hole is formed in one side, far away from the turntable groove, of the third square groove in a communicating mode; the bolt penetrates through the through hole and is connected in the thread groove in a threaded manner; one end of the supporting plate, which is far away from the limiting block, is arranged below the box body.
Further, the T-shaped groove is arranged on one side, far away from the box body, of the rotary table.
Further, a handle groove is formed in the middle of the top end of the box body; and a handle is rotatably arranged in the top end of the handle groove through a second rotating shaft.
Compared with the prior art, the invention has the beneficial effects that:
the device can drive the rotary table to rotate through the gravity factor of the weight hand, the needle on the rotary table abuts against the touch screen sensor for times to obtain related data, the operation is simple, the test phenomenon is visual, and meanwhile, more test data can be obtained according to the replacement of weights with different sizes or the change of the distance between the sliding block and the rotary table, so that students can understand the rotation law more easily.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is an enlarged schematic view of the area A in FIG. 1 according to the present invention.
FIG. 3 is a schematic structural diagram of B-B in FIG. 2 according to the present invention.
FIG. 4 is a schematic view of the structure of the case of the present invention
In the figure: 1-cage, 2-turntable groove, 3-first square groove, 4-weight groove, 5-handle groove, 6-through hole, 7-first rotating shaft, 8-turntable, 9-T groove, 10-second square groove, 11-spring, 12-strip plate, 13-fixed pin, 14-press rod, 15-fixed groove, 16-slide block, 17-ring groove, 18-third square groove, 19-support plate, 20-stopper, 21-touch screen sensor, 22-controller, 23-thread groove, 24-bolt, 25-weight, 26-door plate, 27-handle, 28-first rotating shaft, 29-second rotating shaft, 30-needle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1, fig. 2 and fig. 4, in an embodiment of the present invention, a rotation law demonstration apparatus includes a box 1, a first rotating shaft 7 and a rotating disc 8; a turntable groove 2 is formed in one side of the box body 1; a rotary disc 8 is rotatably arranged in the rotary disc groove 2 through a first rotary shaft 7; a plurality of groups of needles 30 are uniformly distributed on the side edge of the rotary table 8; a T-shaped groove 9 is formed in one side of the rotary table 8; a sliding block 16 is arranged in the T-shaped groove 9 in a sliding manner; a touch screen sensor 21 is fixedly arranged on one side of the turntable groove 2, and the touch screen sensor 21 is movably abutted against the needle 30; a first square groove 3 is formed in the box body 1 above the turntable groove 2; a controller 22 is fixedly installed in the first square groove 3, and the controller 22 is electrically connected with the touch screen sensor 21; a weight groove 4 is arranged on one side of the top end of the box body 1; a plurality of groups of weights 25 are arranged in the weight groove 4, and the weights 25 are different in size; the top end of the weight trough 4 is rotatably provided with a door plate 26 through a first rotating shaft 28. Equipment circular telegram, rotate door plant 26, take out weight 25, pass through rope and 16 fixed connection of slider with weight 25, then loosen weight 25, weight 25 descends under the effect of gravity, carousel 8 clockwise rotates promptly, carousel 8 is in clockwise rotation, the one end that carousel 8 was kept away from to needle 30 offsets with touch screen sensor 21, carousel 8 passes through signal of telecommunication transmission to controller 22 with touch screen sensor 21 rather than the number of times that offsets, after carousel 8 rotates, controller 22 shows data such as angular acceleration, can calculate according to the formula.
Referring to fig. 1, the T-shaped slot 9 is disposed on a side of the turntable 8 away from the box 1.
Referring to fig. 3, a ring groove 17 is formed in a side edge of one end of the sliding block 16, which is far away from the rotating disc 8, and a weight 25 is connected with the sliding block 16 through a rope, so that the rope is fixed conveniently; a fixing groove 15 is formed in the middle of one end, close to the rotary table 8, of the sliding block 16; the inner fixing groove 15 is slidably provided with a fixing device.
Referring to fig. 3, the fixing device includes a spring 11, a strip 12 and a pressing rod 14; the spring 11 is arranged in one side of the second square groove 10 close to the T-shaped groove 9; the second square groove 10 is arranged on one side, away from the sliding block 16, of the T-shaped groove 9, and the second square groove 10 is communicated with the T-shaped groove 9; a plurality of groups of springs 11 are uniformly and fixedly arranged on one side of the strip-shaped plate 12 away from the T-shaped groove 9; a plurality of groups of fixing pins 13 are uniformly and fixedly arranged on one side of the strip-shaped plate 12 close to the T-shaped groove 9; the fixing pin 13 is arranged in the T-shaped groove 9; the fixing pin 13 is movably arranged in the fixing groove 15; two ends of one side of the strip-shaped plate 12 close to the T-shaped groove 9 are symmetrically and fixedly provided with pressure rods 14; one end of the pressure lever 14 far away from the strip-shaped plate 12 is arranged outside the rotary disc 8. Pressing the pressing rod 14 to move the strip-shaped plate 12 and the fixing pin 13 to the side far away from the T-shaped groove 9, at the moment, the fixing pin 13 slides out of the fixing groove 15, the spring 11 is in a compressed state, and the sliding block 16 can be moved, namely, the distance between the sliding block 16 and the circle center of the rotary table 8 is adjusted.
Example 2
Referring to fig. 1 and 4, a handle groove 5 is arranged in the middle of the top end of the box body 1; a handle 27 is rotatably arranged in the top end of the handle groove 5 through a second rotating shaft 29, so that people can carry the device conveniently.
Example 3
Referring to fig. 1, support plates 19 are symmetrically and slidably disposed on two sides of the box body 1; the top end of the supporting plate 19 is fixedly provided with a limiting block 20; a thread groove 23 is formed in the middle of one side, far away from the turntable groove 2, of the limiting block 20; the screw groove 23 is internally and fixedly connected with a bolt 24, and the device is supported by a support plate 19.
Referring to fig. 1, the supporting plate 19 and the thread groove 23 are both slidably disposed in the third square groove 18; the third square grooves 18 are symmetrically arranged in two sides of the box body 1; a through hole 6 is communicated with one side of the third square groove 18 far away from the turntable groove 2; the bolt 24 penetrates through the through hole 6 and is connected in the thread groove 23 in a threaded manner; one end of the supporting plate 19, which is far away from the limiting block 20, is arranged below the box body 1.
The working principle of the invention is as follows:
when the screw bolt 24 is used, the screw bolt 24 is rotated out of the screw groove 23, then the supporting plate 19 is pulled out, and when the limiting block 20 moves into the bottom end of the third square groove 18, the screw bolt 24 is in threaded connection with the limiting block 20, and the limiting block 20 is fixed, namely the supporting plate 19 is fixed. Electrifying the equipment, rotating the door plate 26, taking out the weight 25, fixedly connecting the weight 25 with the sliding block 16 through a rope, then loosening the weight 25, the weight 25 descends under the action of gravity, namely the rotating disc 8 rotates clockwise, one end of the needle 30 far away from the rotating disc 8 abuts against the touch screen sensor 21, the touch screen sensor 21 transmits the frequency of the needle 30 abutting against the frequency to the controller 22 through an electric signal, after the rotating disc 8 rotates, the controller 22 displays data such as angular acceleration and the like, more data can be obtained by replacing weights 25 with different sizes, or by pressing the pressure lever 14, the strip-shaped plate 12 and the fixing pin 13 move to one side far away from the T-shaped groove 9, at the moment, the fixing pin 13 slides out from the fixing groove 15, the spring 11 is in a compression state, the sliding block 16 can be moved, namely, adjusting the distance between the sliding block 16 and the center of the, the pressure lever 14 is loosened, the strip-shaped plate 12 slides into the fixing groove 15 under the action of the spring 11, namely, the fixing groove 15 is fixed, and the rotary disc 8 can rotate by loosening the weight 25 again, so that data can be acquired.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A rotation law demonstration device comprises a box body (1), a first rotating shaft (7) and a rotating disc (8); the device is characterized in that a turntable groove (2) is arranged on one side of the box body (1); a rotary disc (8) is rotatably arranged in the rotary disc groove (2) through a first rotary shaft (7); a plurality of groups of needles (30) are uniformly distributed and mounted on the side edge of the rotary table (8); a T-shaped groove (9) is formed in one side of the rotary table (8); a sliding block (16) is arranged in the T-shaped groove (9) in a sliding manner; a touch screen sensor (21) is fixedly arranged on one side of the turntable groove (2), and the touch screen sensor (21) is movably abutted against the needle (30); a first square groove (3) is formed in the box body (1) above the turntable groove (2); a controller (22) is fixedly arranged in the first square groove (3), and the controller (22) is electrically connected with the touch screen sensor (21); a weight groove (4) is arranged on one side of the top end of the box body (1); a plurality of groups of weights (25) are arranged in the weight groove (4), and the weights (25) are different in size; the top end of the weight groove (4) is rotatably provided with a door plate (26) through a first rotating shaft (28).
2. A law of rotation demonstrating device according to claim 1, characterized in that the side of the end of the slider (16) away from the rotating disc (8) is provided with a ring groove (17); a fixed groove (15) is formed in the middle of one end, close to the rotary disc (8), of the sliding block (16); the inner fixing groove (15) is movably provided with a fixing device.
3. A rotation law demonstration device according to claim 1, wherein the box body (1) is provided with support plates (19) in a symmetrical sliding manner on two sides; a limiting block (20) is fixedly arranged at the top end of the supporting plate (19); a thread groove (23) is formed in the middle of one side, far away from the turntable groove (2), of the limiting block (20); and a bolt (24) is fixedly connected with the internal thread of the thread groove (23).
4. A law of rotation demonstrating device according to claim 1, characterized in that said T-shaped groove (9) is provided on the side of the rotating disc (8) away from the casing (1).
5. A rotation law demonstration device according to claim 1, wherein a handle slot (5) is arranged in the middle of the top end of the box body (1); a handle (27) is rotatably arranged in the top end of the handle groove (5) through a second rotating shaft (29).
6. A law of rotation demonstration device according to claim 2, characterized in that said fixing means comprise a spring (11), a strip (12) and a strut (14); the spring (11) is arranged in one side, close to the T-shaped groove (9), of the second square groove (10); the second square groove (10) is arranged on one side, away from the sliding block (16), of the T-shaped groove (9), and the second square groove (10) is communicated with the T-shaped groove (9); a plurality of groups of springs (11) are uniformly and fixedly arranged on one side of the strip-shaped plate (12) far away from the T-shaped groove (9); a plurality of groups of fixing pins (13) are uniformly and fixedly arranged on one side of the strip-shaped plate (12) close to the T-shaped groove (9); the fixing pin (13) is arranged in the T-shaped groove (9); the fixing pin (13) is movably arranged in the fixing groove (15); two ends of one side of the strip-shaped plate (12) close to the T-shaped groove (9) are symmetrically and fixedly provided with pressure levers (14); one end of the pressure lever (14) far away from the strip-shaped plate (12) is arranged on the outer side of the turntable (8).
7. A rotation law demonstration device according to claim 3 characterized in that the support plate (19) and the threaded groove (23) are both slidingly arranged in a third square groove (18); the third square grooves (18) are symmetrically arranged in two sides of the box body (1); a through hole (6) is communicated with one side of the third square groove (18) far away from the turntable groove (2); the bolt (24) penetrates through the through hole (6) and is in threaded connection with the thread groove (23); one end of the supporting plate (19) far away from the limiting block (20) is arranged below the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010777280.2A CN111951646A (en) | 2020-08-05 | 2020-08-05 | Rotation law demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010777280.2A CN111951646A (en) | 2020-08-05 | 2020-08-05 | Rotation law demonstration device |
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| Publication Number | Publication Date |
|---|---|
| CN111951646A true CN111951646A (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010777280.2A Pending CN111951646A (en) | 2020-08-05 | 2020-08-05 | Rotation law demonstration device |
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| CN (1) | CN111951646A (en) |
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| CN104036684A (en) * | 2014-05-22 | 2014-09-10 | 杭州电子科技大学 | Typical transmission mechanism comprehensive demonstration teaching aid |
| CN104246861A (en) * | 2012-03-21 | 2014-12-24 | 康士坦泰克有限公司 | Led block display apparatus for providing educational function and control method thereof |
| CN106023735A (en) * | 2016-07-19 | 2016-10-12 | 天津城建大学 | Rotation law demonstration apparatus |
| CN107222802A (en) * | 2017-07-27 | 2017-09-29 | 安吉天剑电器科技有限公司 | It is a kind of to be easy to the firm power amplifier Bluetooth audio device placed |
| CN209232229U (en) * | 2018-08-27 | 2019-08-09 | 成都启惠运科技有限公司 | A kind of physics teaching lever principle experiment teaching aid |
| CN110521219A (en) * | 2017-03-03 | 2019-11-29 | 共生国际大学 | Enable interactive wearable device as the system and method for the education supplement for listening barrier individual |
| CN210443068U (en) * | 2019-07-11 | 2020-05-01 | 王毅 | High school physics lever principle learning device |
| CN210502518U (en) * | 2019-08-14 | 2020-05-12 | 安徽港口物流有限公司 | Road-enterprise loading image data transmission monitoring device |
| CN210574458U (en) * | 2019-03-14 | 2020-05-19 | 甘肃有色冶金职业技术学院 | Teaching aid for teaching vocabulary explanation and display of Chinese specialty |
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2020
- 2020-08-05 CN CN202010777280.2A patent/CN111951646A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102365666A (en) * | 2009-02-24 | 2012-02-29 | 弗劳恩霍夫应用研究促进协会 | Input device and method for providing an output signal associated with a sensor field assignment |
| CN104246861A (en) * | 2012-03-21 | 2014-12-24 | 康士坦泰克有限公司 | Led block display apparatus for providing educational function and control method thereof |
| CN104036684A (en) * | 2014-05-22 | 2014-09-10 | 杭州电子科技大学 | Typical transmission mechanism comprehensive demonstration teaching aid |
| CN106023735A (en) * | 2016-07-19 | 2016-10-12 | 天津城建大学 | Rotation law demonstration apparatus |
| CN110521219A (en) * | 2017-03-03 | 2019-11-29 | 共生国际大学 | Enable interactive wearable device as the system and method for the education supplement for listening barrier individual |
| CN107222802A (en) * | 2017-07-27 | 2017-09-29 | 安吉天剑电器科技有限公司 | It is a kind of to be easy to the firm power amplifier Bluetooth audio device placed |
| CN209232229U (en) * | 2018-08-27 | 2019-08-09 | 成都启惠运科技有限公司 | A kind of physics teaching lever principle experiment teaching aid |
| CN210574458U (en) * | 2019-03-14 | 2020-05-19 | 甘肃有色冶金职业技术学院 | Teaching aid for teaching vocabulary explanation and display of Chinese specialty |
| CN210443068U (en) * | 2019-07-11 | 2020-05-01 | 王毅 | High school physics lever principle learning device |
| CN210502518U (en) * | 2019-08-14 | 2020-05-12 | 安徽港口物流有限公司 | Road-enterprise loading image data transmission monitoring device |
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Application publication date: 20201117 |