CN211376010U - Mechanical principle teaching demonstration model - Google Patents
Mechanical principle teaching demonstration model Download PDFInfo
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- CN211376010U CN211376010U CN201921980412.0U CN201921980412U CN211376010U CN 211376010 U CN211376010 U CN 211376010U CN 201921980412 U CN201921980412 U CN 201921980412U CN 211376010 U CN211376010 U CN 211376010U
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Abstract
The utility model provides a theory of mechanics teaching demonstration model, include: epicyclic gear train and other drive mechanism, other drive mechanism include frame, gear mechanism, link mechanism and cam mechanism, geneva mechanism, worm gear mechanism, ratchet mechanism, incomplete gear mechanism, friction pulley mechanism, belt pulley mechanism, sprocket mechanism, screw mechanism, rope sheave mechanism, universal coupling in one or several's combination, epicyclic gear train and other drive mechanism are through certain mode interconnect. The utility model has the advantages that: the other transmission mechanisms connected with the epicyclic gear train do space compound motion, various other transmission mechanisms can be simultaneously established, the ornamental value is strong, the use is convenient, the interest of students in mechanical principle courses can be greatly improved, and the students can have intuitive perceptual knowledge on various mechanisms.
Description
Technical Field
The utility model relates to a teaching aid technical field especially relates to a theory of mechanics teaching demonstration model.
Background
The mechanical principle is an important basic class for mechanical specialties, and the interest of students in the class is improved, so that the student can learn the class well. In the mechanical principle teaching activities, some mechanism models or animations are usually used to demonstrate the mechanism movement process to increase the visual experience. The existing mechanism models are single in type, lack of combined mechanism models or few in mechanism combination type, and cannot meet the ornamental learning requirements of various mechanisms; or the combined mode is not compact, the occupied space is large, the carrying and the viewing are inconvenient, and some of the combined modes can be only placed in a laboratory and cannot be moved into a classroom. Because classroom teaching, general student's a lot, original mechanism model is generally more favorable to observing in certain position, and the effect of observing in other positions is not good, and like this, the student is easily crowded to the position of easily observing, and it is inconvenient to use, has influenced student's experience. For demonstrating the motion process of the mechanism by using the animation, only two-dimensional visual perception can be provided, three-dimensional visual perception is lacked, the interest and the touch of students are difficult to improve, and the effect is very limited.
Disclosure of Invention
The utility model aims at the not enough of present mechanical principle teaching demonstration model, provide a convenient to use, the extremely strong mechanical principle teaching demonstration model of sight, compact structure, the mechanism that can demonstrate is many kinds, has the same viewing effect in the position of difference, and the motion is complicated, and visual impact is strong, can play good teaching effect.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model discloses a mechanical principle teaching demonstration model, including epicyclic train or compound train, other drive mechanism, a serial communication port, frame among other drive mechanism with the planet carrier among epicyclic train or the compound train is direct or connect through the connecting piece, or other drive mechanism make this planet carrier is as the frame of self rotary motion is together done with the planet carrier to other drive mechanism is whole, the planet wheel transmission on motion member and the planet carrier among other drive mechanism is connected for the transmission motion, the rotary motion of this motion and planet carrier itself constitutes compound motion, has extremely strong sight.
Further, the other transmission mechanisms include, but are not limited to, one or a combination of several of a gear mechanism, a cam mechanism, a link mechanism, a sheave mechanism, a worm gear mechanism, a ratchet mechanism, an incomplete gear mechanism, a friction wheel mechanism, a belt wheel mechanism, a sprocket mechanism, a screw mechanism, a sheave mechanism and a universal coupling.
Furthermore, a plurality of planet wheels are arranged on the planet carrier, and each planet wheel is connected with one or more combinations of the transmission mechanisms or serves as a component of the transmission mechanism.
Furthermore, a plurality of planet wheels are arranged on the planet carrier, and part of the planet wheels are connected with one or more combinations of the transmission mechanisms or are used as one component of the transmission mechanism.
Furthermore, external power acts on the epicyclic gear train or the compound gear train to enable the planet carrier to do rotary motion, the planet wheel does autorotation motion and revolution motion along with the planet carrier, the other transmission mechanisms do revolution motion along with the planet carrier as a whole, and the autorotation of the planet wheel enables the motion members in the other transmission mechanisms to do mechanism motion.
Furthermore, external power acts on the other transmission mechanisms to enable the other transmission mechanisms to do mechanism motion, the mechanism motion enables the planet wheel to do autorotation, the autorotation of the planet wheel drives the planet carrier to rotate, and the rotation of the planet carrier drives the planet wheel and the other transmission mechanisms to do revolution motion together.
The utility model has the advantages that:
besides the mechanism motion, the whole mechanism is also in rotary motion along with the planet carrier, so that the mechanism motion of the whole mechanism is changed into compound motion, the ornamental value is very high, the interest of students in mechanical principle course learning can be improved, and the visual feeling of the motion of the learned mechanism is increased.
By increasing the number of the planet wheels and the combination of the mechanisms, more mechanisms can be built on the planet carrier, multiple mechanisms can be observed to do compound motion on the same demonstration model, the application is wider, and the effect is better.
The whole mechanism rotates with the planet carrier, so that the observers in different directions can observe the same effect, the observers cannot be crowded, and the use is more convenient.
Drawings
Fig. 1 is a schematic structural diagram of the present embodiment.
Fig. 2 is a schematic structural diagram of the second embodiment.
In the figure, 1, a sun wheel, 2, a planet carrier, 3, a sun wheel, 4, a planet wheel, 5, a crank, 6, a connecting rod, 7, a frame, 8, a rocker, 9, a friction type ratchet mechanism, 10, a planet wheel, 11, an incomplete gear, 12, an incomplete gear, 13, a universal coupling, 14, a frame, 15, a planet wheel, 16, a crank, 17, a connecting rod, 18, a sliding block, 19, a frame, 20, a planet wheel, 21, a bevel gear, 22, a bevel gear, 23, a frame, 24, a planet wheel, 25, a worm, 26, a worm wheel and 27, and the frame.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
Example one
The embodiment discloses a mechanical principle teaching demonstration model, which comprises an epicyclic gear train or a compound gear train and other transmission mechanisms, as shown in figure 1;
in this embodiment, the epicyclic gear train or the compound gear train is an epicyclic gear train, and its basic components are: sun gear 1, planet carrier 2, sun gear 3, planet gear 4, planet gear 10, planet gear 15, planet gear 20, planet gear 24;
the other transmission mechanisms are two combined mechanisms: the combined mechanism 1 consists of a crank connecting rod mechanism and a friction type ratchet wheel mechanism 9, and the combined mechanism 2 consists of an incomplete gear mechanism and a universal coupling 13;
the crank connecting rod mechanism main component includes: a crank 5, a connecting rod 6, a rocker 8 and a frame 7; the incomplete gear mechanism comprises the following main components: incomplete gear 11, incomplete gear 12, frame 14.
The planet wheel 4 is fixedly connected with the crank 5, the planet wheel and the crank move synchronously, and the frame 7 is fixedly connected with the planet carrier 2, so that the whole combined mechanism 1 and the planet carrier 2 move together.
The planet wheel 10 and the incomplete gear 11 are fixedly connected and move synchronously, and the frame 14 and the planet carrier 2 are fixedly connected, so that the whole combined mechanism 2 and the planet carrier 2 move together.
The external power may be applied to the epicyclic gear train, or may be applied to the combination mechanism 1 or the combination mechanism 2.
It should be noted that the number of the planetary gears is not limited to the number drawn in fig. 1, and the number of the other transmission mechanisms is not limited to the 2 combination mechanisms in fig. 1; a combination mechanism 1 and a combination mechanism 2.
It should be noted that the combination mechanisms 1 and 2 are only exemplary, and are not limited to the two types shown in fig. 1, and may be any combination mechanism, or even any simple mechanism.
It should be noted that the frame 7, the frame 14 and the planet carrier 2 may be formed as one part, or the combination mechanism 1 and the combination mechanism 2 may have the planet carrier 2 as their own frame.
It should be noted that the epicyclic gear train shown in fig. 1 may be any type of epicyclic gear train including a planetary gear train and a differential gear train, or any type of compound gear train, and the epicyclic gear train in the compound gear train is connected in the above connection manner.
Example two
The embodiment discloses a mechanical principle teaching demonstration model, which comprises an epicyclic gear train or a compound gear train and other transmission mechanisms, as shown in figure 2;
in this embodiment, the epicyclic gear train or the compound gear train is an epicyclic gear train, and its basic components are: sun gear 1, planet carrier 2, sun gear 3, planet gear 4, planet gear 10, planet gear 15, planet gear 20, planet gear 24; the other transmission mechanisms are five mechanisms: the device comprises a crank connecting rod mechanism, an incomplete gear mechanism, a crank sliding block mechanism, a bevel gear mechanism and a worm and gear mechanism.
The five planet wheels are respectively connected with the movable components in the five mechanisms.
The planet wheel 4 is fixedly connected with the crank 5, the planet wheel and the crank move synchronously, and the frame 7 is fixedly connected with the planet carrier 2, so that the crank-link mechanism and the planet carrier 2 move together.
The planet wheel 10 and the incomplete gear 11 are fixedly connected and move synchronously, and the frame 14 and the planet carrier 2 are fixedly connected, so that the integral incomplete gear mechanism and the planet carrier 2 move together.
The planet wheel 15 and the crank 16 are fixedly connected and move synchronously, and the frame 19 and the planet carrier 2 are fixedly connected, so that the crank-link mechanism integrally moves together with the planet carrier 2.
The planet gears 20 and the bevel gears 21 are fixedly connected and move synchronously, and the frame 23 and the planet carrier 2 are fixedly connected, so that the whole bevel gear mechanism and the planet carrier 2 move together.
The planet wheel 24 and the worm 25 are fixedly connected and move synchronously, and the frame 27 and the planet carrier 2 are fixedly connected, so that the whole worm wheel and worm mechanism moves together with the planet carrier 2.
It should be noted that the external power may act on the epicyclic gear train, or on any other transmission mechanism as shown in fig. 2: the device comprises a crank connecting rod mechanism, an incomplete gear mechanism, a crank sliding block mechanism, a bevel gear mechanism and a worm and gear mechanism.
It should be noted that the number of the planet wheels is not limited to the number drawn in fig. 2, and may be a reasonable design number in any epicyclic gear train.
It should be noted that the crank link mechanism, the incomplete gear mechanism, the crank slider mechanism, the bevel gear mechanism, and the worm gear mechanism are merely exemplary, and are not limited to the five types shown in fig. 2, and may be any simple mechanism or combined mechanism. As a preferred embodiment, the above five mechanisms can be designed into five different combined mechanisms.
It should be noted that the frame 7, the frame 14, the frame 19, the frame 23, and the frame 27 may be respectively or entirely formed as one part with the planet carrier 2, or the crank link mechanism, the incomplete gear mechanism, the crank block mechanism, the bevel gear mechanism, and the worm gear mechanism may all or entirely use the planet carrier as their own frame.
It should be noted that the epicyclic gear train shown in fig. 2 may be any type of epicyclic gear train including a planetary gear train and a differential gear train, or any type of compound gear train, and the epicyclic gear train in the compound gear train is connected in the above connection manner.
Claims (3)
1. A mechanical principle teaching demonstration model comprises an epicyclic gear train and other transmission mechanisms and is characterized in that, the other transmission mechanisms comprise one or a combination of a plurality of mechanisms of a frame, a gear mechanism, a link mechanism, a cam mechanism, a sheave mechanism, a worm gear mechanism, a ratchet mechanism, an incomplete gear mechanism, a friction wheel mechanism, a belt wheel mechanism, a sprocket mechanism, a spiral mechanism, a rope wheel mechanism and a universal coupling, the frame in the other transmission mechanism is connected with the planet carrier in the epicyclic gear train directly or through a connecting piece, or the other transmission mechanisms take the planet carrier as a stand of the other transmission mechanisms, so that the other transmission mechanisms and the planet carrier integrally do rotary motion, the moving component in the other transmission mechanism is in transmission connection with the planet wheel on the planet carrier and is used for transmitting motion, and the motion and the rotation motion of the planet carrier form compound motion.
2. A mechanical principle teaching demonstration model according to claim 1, characterized in that a plurality of planet wheels are provided on said planet carrier, each planet wheel being connected to one or a combination of several of said other transmission mechanisms or being a component of said other transmission mechanisms.
3. A mechanical principle teaching demonstration model according to claim 1, characterized in that a plurality of planet wheels are provided on said planet carrier, and some planet wheels are connected with one or a combination of several of said other transmission mechanisms or used as a component of said other transmission mechanisms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921980412.0U CN211376010U (en) | 2019-11-16 | 2019-11-16 | Mechanical principle teaching demonstration model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921980412.0U CN211376010U (en) | 2019-11-16 | 2019-11-16 | Mechanical principle teaching demonstration model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211376010U true CN211376010U (en) | 2020-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921980412.0U Active CN211376010U (en) | 2019-11-16 | 2019-11-16 | Mechanical principle teaching demonstration model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211376010U (en) |
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2019
- 2019-11-16 CN CN201921980412.0U patent/CN211376010U/en active Active
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