Solar system planet operation demonstration teaching aid
By designing the teaching aids of the planet's planet operation, using the gear component to simulate the solar system, solve the problem that the existing technology is difficult to display the solar system, and realize the effect of students' knowledge of solar system intuitively.
Patent Information
- Application Number
- CN202421066240.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-16
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-05-16
AI Technical Summary
The prior art is difficult to intuitively display the movement characteristics of the solar system in primary and secondary schools in geography teaching. Projection display cannot feel the movement of celestial bodies, and static display of real-world models cannot understand the movement laws of celestial bodies.
Design a kind of solar planet operation demonstration teaching aid, which drives the planetal components to rotate the planet track through gear components to simulate the motion of the eight major planets in the solar system around the sun.
The shape, size, location, and movement trajectory of the eight major planets are clear at a glance. The image, intuitive, and the demonstration effect are realistic, helping students understand and grasp the knowledge of the solar system faster and more intuitive.
Smart Images
Figure CN222421199U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of teaching demonstration devices, and in particular relates to a solar system planetary movement demonstration teaching aid. Background Art
[0002] In geography teaching in primary and secondary schools, there are currently two ways to demonstrate the movement characteristics of the solar system. One is to use optical projection equipment, such as a projector. This method cannot intuitively feel the movement of celestial bodies, and cannot allow students to intuitively understand and master relevant geographical knowledge. The second is to use physical models, which have better visual effects than image displays. However, most of the instruments currently on the market are static displays and cannot understand the laws of celestial movement. Therefore, how to use simple teaching aids to enable students to understand and master a series of geographical knowledge faster and more intuitively, and to improve the efficiency of teachers' teaching and students' learning is every teacher's common teaching goal. Summary of the invention
[0003] In order to overcome the problem that projection display cannot intuitively feel the movement of celestial bodies and static display of physical models cannot understand the laws of celestial body movement in the demonstration of the movement characteristics of the solar system, the utility model provides a solar system planetary movement demonstration teaching aid; the utility model drives the planetary assembly to rotate on the planetary orbit by the gear assembly to simulate the movement state of the eight planets in the solar system rotating around the sun. The shapes, sizes, positions and movement trajectories of the eight planets are clear at a glance, which is convenient for students to understand the knowledge of the eight planets in a vivid way.
[0004] To achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a solar system planetary operation demonstration teaching aid mainly comprises a chassis, a planetary orbit, a support rod, a planetary assembly, a sun, and a gear assembly. Eight groups of slide grooves are provided on the chassis, and the planetary orbit can be rotatably installed in the slide groove. The planetary orbit includes Mercury orbit, Venus orbit, Earth orbit, Mars orbit, Jupiter orbit, Saturn orbit, Uranus orbit, and Neptune orbit. The support rod is installed on the planetary orbit, and the planetary assembly is installed on the top of the support rod. The planetary assembly includes Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. The sun can be rotatably installed at the center of Mercury orbit. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune are installed on Mercury orbit, Venus orbit, Earth orbit, Mars orbit, Jupiter orbit, Saturn orbit, Uranus orbit, and Neptune orbit in sequence through the support rod. A cavity interlayer is formed between the chassis and the planetary orbit, the gear assembly is installed in the cavity interlayer, and the planetary orbits are connected to each other through the gear assembly.
[0005] The planetary orbits are, from the inside out, Mercury orbit, Venus orbit, Earth orbit, Mars orbit, Jupiter orbit, Saturn orbit, Uranus orbit, and Neptune orbit.
[0006] The Mercury orbit is set in a disk shape, the sun is rotatably installed at the center of the disk, and the Venus orbit, the Earth orbit, the Mars orbit, the Jupiter orbit, the Saturn orbit, the Uranus orbit, and the Neptune orbit are set as concentric gear rings.
[0007] The gear assembly is provided with four groups, and the gear assembly includes Mercury outer diameter gear, Mercury driven gear, Venus inner diameter gear, Venus outer diameter gear, Venus driven gear, Earth inner diameter gear, Earth outer diameter gear, Earth driven gear, Mars inner diameter gear, Mars outer diameter gear, Mars driven gear, Jupiter inner diameter gear, Jupiter outer diameter gear, Jupiter driven gear, Saturn inner diameter gear, Saturn outer diameter gear, Saturn driven gear, Uranus inner diameter gear, Uranus outer diameter gear, Uranus driven gear, Neptune inner diameter gear, Mercury outer diameter gear, Mercury driven gear The wheel can be rotatably mounted on the chassis, the outer diameter gear of Mercury is meshed with the Mercury orbit, one end of the inner diameter gear of Venus is connected to the Mercury driven gear, and the other end is meshed with the inner gear ring of the Venus orbit, the outer diameter gear of Venus and the driven gear of Venus can be rotatably mounted on the chassis, the outer diameter gear of Venus is meshed with the outer gear ring of the Venus orbit, one end of the inner diameter gear of the Earth is meshed with the driven gear of Venus, and the other end is meshed with the inner gear ring of the Earth orbit, the outer diameter gear of the Earth and the driven gear of the Earth can be rotatably mounted on the chassis, the outer diameter gear of the Earth is meshed with the outer gear ring of the Earth orbit The inner diameter gear of Mars is connected, one end of which is meshed with the driven gear of the Earth, and the other end is meshed with the inner gear ring of the Mars orbit. The outer diameter gear of Mars and the driven gear of Mars can be rotatably installed on the chassis. The outer diameter gear of Mars is meshed with the outer gear ring of the Mars orbit. The inner diameter gear of Jupiter is meshed with the driven gear of Mars, and the other end is meshed with the inner gear ring of the Jupiter orbit. The outer diameter gear of Jupiter and the driven gear of Jupiter can be rotatably installed on the chassis. The outer diameter gear of Jupiter is meshed with the outer gear ring of the Jupiter orbit. The inner diameter gear of Saturn is meshed with the driven gear of Jupiter, and the other end is meshed with the inner gear ring of the Jupiter orbit. One end is meshed and connected with the inner gear ring of Saturn orbit, the Saturn outer diameter gear and Saturn driven gear are rotatably installed on the chassis, the Saturn outer diameter gear is meshed and connected with the Saturn orbit outer gear ring, one end of the Uranus inner diameter gear is meshed and connected with the Saturn driven gear, and the other end is meshed and connected with the inner gear ring of Uranus orbit, the Uranus outer diameter gear and Uranus driven gear are rotatably installed on the chassis, the Uranus outer diameter gear is meshed and connected with the Uranus orbit outer gear ring, one end of the Neptune inner diameter gear is meshed and connected with the Uranus driven gear, and the other end is meshed and connected with the inner gear ring of Neptune orbit.
[0008] Beneficial effects of the utility model:
[0009] The utility model drives the planetary assembly to rotate on the planetary orbit by the gear assembly to simulate the movement state of the eight planets in the solar system rotating around the sun. The shapes, sizes, positions and movement trajectories of the eight planets are clear at a glance, vivid and intuitive, and the demonstration effect is lifelike, which is convenient for students to understand the knowledge of the eight planets in a vivid way. By using the teaching aid teaching method, it can gradually cultivate students' interest in geographical knowledge, and then continue to learn and make progress in interest, increase students' desire and interest in seeking knowledge, and allow students to understand and master a series of geographical knowledge faster and more intuitively. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is an isometric schematic diagram of the utility model.
[0011] Figure 2 yes Figure 1 A partial enlarged view of point A in the middle.
[0012] Figure 3 It is a three-dimensional schematic diagram of the utility model.
[0013] Figure 4 It is the front view of the utility model.
[0014] Figure 5 It is a partial sectional schematic diagram of the utility model.
[0015] Figure 6 yes Figure 5 A partial enlarged view of point B in the middle. DETAILED DESCRIPTION
[0016] In order to make the purpose, technical solution and beneficial effects of the present invention clearer, the preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings to facilitate understanding by technicians.
[0017] The utility model discloses a solar system planetary operation demonstration teaching aid, which mainly comprises a chassis 1, a planetary track 2, a support rod 3, a planetary assembly 4, a sun 5, and a gear assembly 6. The chassis 1 is provided with eight groups of slide grooves 11, the planetary track 2 can be rotatably installed in the slide groove 11, the planetary track 2 comprises a Mercury track 21, a Venus track 22, an Earth track 23, a Mars track 24, a Jupiter track 25, a Saturn track 26, a Uranus track 27, and a Neptune track 28, the support rod 3 is installed on the planetary track 2, the planetary assembly 4 is installed on the top of the support rod 3, the planetary assembly 4 comprises Mercury 41, Venus 42, and a Neptune track 28. 2, Earth 43, Mars 44, Jupiter 45, Saturn 46, Uranus 47, Neptune 48, the sun 5 is rotatably installed at the center of Mercury orbit 21, Mercury 41, Venus 42, Earth 43, Mars 44, Jupiter 45, Saturn 46, Uranus 47, Neptune 48 are installed on Mercury orbit 21, Venus orbit 22, Earth orbit 23, Mars orbit 24, Jupiter orbit 25, Saturn orbit 26, Uranus orbit 27, Neptune orbit 28 in sequence through support rods 3, a cavity sandwich is formed between chassis 1 and planetary orbit 2, a gear assembly 6 is installed in the cavity sandwich, and the planetary orbits 2 are connected to each other through gear assemblies 6.
[0018] When the teaching aid is needed to demonstrate the eight planets, the teacher holds Mercury 41 and the support rod 3 of Mercury 41 to rotate, and the support rod 3 of Mercury 41 drives the Mercury orbit 21 to rotate along the slide slot 11, so that Mercury 41 rotates around the sun 5, and then drives the Mercury outer diameter gear 61 and the Mercury driven gear 62 to rotate. The rotation of the Mercury driven gear 62 drives the Venus inner diameter gear 63 to rotate, and the Venus inner diameter gear 63 drives the Venus orbit 22 to rotate along the slide slot 11, so that Venus 42 moves around the sun 5. The rotation of the Venus orbit 22 drives the Venus outer diameter gear 64 and the Venus driven gear 65 to rotate. The rotation of the Venus driven gear 65 drives the Earth inner diameter gear 66 to rotate, and the Earth inner diameter gear 66 drives the Earth orbit 23 along The chute 11 rotates to realize the movement of the earth 43 around the sun 5. The rotation of the earth orbit 23 drives the earth outer diameter gear 67 and the earth driven gear 68 to rotate. The rotation of the earth driven gear 68 drives the Mars inner diameter gear 69 to rotate. The Mars inner diameter gear 69 drives the Mars orbit 24 to rotate along the chute 11 to realize the movement of Mars 44 around the sun 5. The rotation of the Mars orbit 24 drives the Mars outer diameter gear 610 and the Mars driven gear 611 to rotate. The rotation of the Mars driven gear 611 drives the Jupiter inner diameter gear 612 to rotate. The Jupiter inner diameter gear 612 drives the Jupiter orbit 25 to rotate along the chute 11 to realize the movement of Jupiter 45 around the sun 5. The rotation of the Jupiter orbit 25 drives the Jupiter outer diameter gear 613 and the planet driven gear 614. 14 rotates, the local planet driven gear 614 rotates and then drives the Saturn inner diameter gear 615 to rotate, the Saturn inner diameter gear 615 drives the Saturn orbit 26 to rotate along the slide slot 11, so that Saturn 46 moves around the sun 5, the rotation of Saturn orbit 26 drives the Saturn outer diameter gear 616 and the Saturn driven gear 617 to rotate, the Saturn driven gear 617 rotates and then drives the Uranus inner diameter gear 618 to rotate, the Uranus inner diameter gear 618 drives the Uranus orbit 27 to rotate along the slide slot 11, so that Uranus 47 moves around the sun 5, the rotation of Uranus orbit 27 drives the Uranus outer diameter gear 619 and the Uranus driven gear 620 to rotate, the Uranus driven gear 620 rotates and then drives the Neptune inner diameter gear 621 to rotate, Neptune The inner diameter gear 621 drives the Neptune orbit 28 to rotate along the slide slot 11, so that Neptune 48 moves around the sun 5. The Mercury driven gear 62, Venus driven gear 65, Earth driven gear 68, Mars driven gear 611, Jupiter driven gear 614, Saturn driven gear 617, and Uranus driven gear 620 have different diameters, thereby realizing different rotation speeds of Mercury orbit 21, Venus orbit 22, Earth orbit 23, Mars orbit 24, Jupiter orbit 25, Saturn orbit 26, Uranus orbit 27, and Neptune orbit 28. The shapes, sizes, positions, and motion trajectories of Mercury 41, Venus 42, Earth 43, Mars 44, Jupiter 45, Saturn 46, Uranus 47, and Neptune 48 are all clear at a glance.
[0019] like Figure 1 , Figure 6 As shown, the planetary orbits 2 are Mercury orbit 21, Venus orbit 22, Earth orbit 23, Mars orbit 24, Jupiter orbit 25, Saturn orbit 26, Uranus orbit 27, and Neptune orbit 28 from the inside to the outside.
[0020] like Figure 1 , Figure 2 , Figure 5 As shown, the Mercury orbit 21 is set in a disk shape, the sun 5 is rotatably installed at the center of the disk, and the Venus orbit 22, the Earth orbit 23, the Mars orbit 24, the Jupiter orbit 25, the Saturn orbit 26, the Uranus orbit 27, and the Neptune orbit 28 are set as concentric gear rings.
[0021] like Figure 2As shown, the gear assembly 6 is provided with four groups, and the gear assembly 6 includes a Mercury outer diameter gear 61, a Mercury driven gear 62, a Venus inner diameter gear 63, a Venus outer diameter gear 64, a Venus driven gear 65, an Earth inner diameter gear 66, an Earth outer diameter gear 67, an Earth driven gear 68, a Mars inner diameter gear 69, a Mars outer diameter gear 610, a Mars driven gear 611, a Jupiter inner diameter gear 612, a Jupiter outer diameter gear 613, a Jupiter driven gear 614, a Saturn inner diameter gear 615, a Saturn outer diameter gear 616, a Saturn driven gear 617, a Uranus inner diameter gear 618, a Uranus outer diameter gear 619, a Uranus driven gear 620, and a Neptune inner diameter gear 621. , Mercury outer diameter gear 61 and Mercury driven gear 62 are rotatably mounted on chassis 1, Mercury outer diameter gear 61 is meshed with Mercury orbit 21, Venus inner diameter gear 63 has one end in transmission connection with Mercury driven gear 62, and the other end in meshing connection with the inner gear ring of Venus orbit 22, Venus outer diameter gear 64 and Venus driven gear 65 are rotatably mounted on chassis 1, Venus outer diameter gear 64 is meshed with the outer gear ring of Venus orbit 22, Earth inner diameter gear 66 has one end in meshing connection with Venus driven gear 65, and the other end in meshing connection with the inner gear ring of Earth orbit 23, Earth outer diameter gear 67 and Earth driven gear 68 are rotatably mounted on chassis 1, Earth outer diameter gear 67 is meshed with Earth orbit 2 3 is meshed with the outer gear ring, one end of the Mars inner diameter gear 69 is meshed with the Earth driven gear 68, and the other end is meshed with the inner gear ring of the Mars orbit 24, the Mars outer diameter gear 610 and the Mars driven gear 611 are rotatably mounted on the chassis 1, the Mars outer diameter gear 610 is meshed with the outer gear ring of the Mars orbit 24, one end of the Jupiter inner diameter gear 612 is meshed with the Mars driven gear 611, and the other end is meshed with the inner gear ring of the Jupiter orbit 25, the Jupiter outer diameter gear 613 and the Jupiter driven gear 614 are rotatably mounted on the chassis 1, the Jupiter outer diameter gear 613 is meshed with the outer gear ring of the Jupiter orbit 25, and one end of the Saturn inner diameter gear 615 is meshed with the Jupiter driven gear 614 The outer diameter gear 616 of Saturn is meshed with the outer gear ring of Saturn orbit 26, and the inner diameter gear 618 of Uranus is meshed with the inner gear ring of Uranus orbit 27 at one end, and the outer diameter gear 619 of Uranus and the inner gear ring of Uranus orbit 27 are meshed with each other at the other end. The outer diameter gear 619 of Uranus and the inner gear ring of Uranus orbit 27 are meshed with each other at one end, and the inner diameter gear 621 of Neptune is meshed with the inner gear ring of Uranus orbit 28 at one end;When the teaching aid is needed to demonstrate the eight planets, the teacher holds Mercury 41 and the support rod 3 of Mercury 41 to rotate, and the support rod 3 of Mercury 41 drives the Mercury orbit 21 to rotate, so that Mercury 41 rotates around the sun 5, and then drives the Mercury outer diameter gear 61 and the Mercury driven gear 62 to rotate. The rotation of the Mercury driven gear 62 drives the Venus inner diameter gear 63 to rotate, and the Venus inner diameter gear 63 drives the Venus orbit 22 to rotate, so that Venus 42 moves around the sun 5. The rotation of the Venus orbit 22 drives the Venus outer diameter gear 64 and the Venus driven gear 65 to rotate. The rotation of the Venus driven gear 65 drives the Earth inner diameter gear 66 to rotate, and the Earth inner diameter gear 66 drives the Earth orbit 23 to rotate , to realize the movement of the earth 43 around the sun 5, the rotation of the earth orbit 23 drives the earth outer diameter gear 67 and the earth driven gear 68 to rotate, the earth driven gear 68 rotates and then drives the Mars inner diameter gear 69 to rotate, the Mars inner diameter gear 69 drives the Mars orbit 24 to rotate, to realize the movement of Mars 44 around the sun 5, the rotation of the Mars orbit 24 drives the Mars outer diameter gear 610 and the Mars driven gear 611 to rotate, the Mars driven gear 611 rotates and then drives the Jupiter inner diameter gear 612 to rotate, the Jupiter inner diameter gear 612 drives the Jupiter orbit 25 to rotate, to realize the movement of Jupiter 45 around the sun 5, the rotation of the Jupiter orbit 25 drives the Jupiter outer diameter gear 613 and the local driven gear 614 to rotate, the local The rotation of Saturn driven gear 614 drives Saturn inner diameter gear 615 to rotate, Saturn inner diameter gear 615 drives Saturn orbit 26 to rotate, so that Saturn 46 moves around the sun 5, the rotation of Saturn orbit 26 drives Saturn outer diameter gear 616 and Saturn driven gear 617 to rotate, the rotation of Saturn driven gear 617 drives Uranus inner diameter gear 618 to rotate, Uranus inner diameter gear 618 drives Uranus orbit 27 to rotate, so that Uranus 47 moves around the sun 5, the rotation of Uranus orbit 27 drives Uranus outer diameter gear 619 and Uranus driven gear 620 to rotate, the rotation of Uranus driven gear 620 drives Neptune inner diameter gear 621 to rotate, and Neptune inner diameter gear 6 21 drives Neptune orbit 28 to rotate, so that Neptune 48 moves around the sun 5. The diameters of Mercury driven gear 62, Venus driven gear 65, Earth driven gear 68, Mars driven gear 611, Jupiter driven gear 614, Saturn driven gear 617, and Uranus driven gear 620 are different, so as to realize different rotation speeds of Mercury orbit 21, Venus orbit 22, Earth orbit 23, Mars orbit 24, Jupiter orbit 25, Saturn orbit 26, Uranus orbit 27, and Neptune orbit 28. The shapes, sizes, positions, and motion trajectories of Mercury 41, Venus 42, Earth 43, Mars 44, Jupiter 45, Saturn 46, Uranus 47, and Neptune 48 are all clear at a glance. ;
[0022] Working process:
[0023] When the teaching aid is needed to demonstrate the eight planets, the teacher holds Mercury 41 and the support rod 3 of Mercury 41 to rotate, and the support rod 3 of Mercury 41 drives the Mercury orbit 21 to rotate along the slide slot 11, so that Mercury 41 rotates around the sun 5, and then drives the Mercury outer diameter gear 61 and the Mercury driven gear 62 to rotate. The rotation of the Mercury driven gear 62 drives the Venus inner diameter gear 63 to rotate, and the Venus inner diameter gear 63 drives the Venus orbit 22 to rotate along the slide slot 11, so that Venus 42 moves around the sun 5. The rotation of the Venus orbit 22 drives the Venus outer diameter gear 64 and the Venus driven gear 65 to rotate. The rotation of the Venus driven gear 65 drives the Earth inner diameter gear 66 to rotate, and the Earth inner diameter gear 66 drives the Earth orbit 23 to rotate along the slide slot 11, and the demonstration is carried out. Now the earth 43 moves around the sun 5, the rotation of the earth orbit 23 drives the earth outer diameter gear 67 and the earth driven gear 68 to rotate, the rotation of the earth driven gear 68 drives the Mars inner diameter gear 69 to rotate, the Mars inner diameter gear 69 drives the Mars orbit 24 to rotate along the slide 11, so that the movement of Mars 44 around the sun 5 is realized, the rotation of the Mars orbit 24 drives the Mars outer diameter gear 610 and the Mars driven gear 611 to rotate, the rotation of the Mars driven gear 611 drives the Jupiter inner diameter gear 612 to rotate, the Jupiter inner diameter gear 612 drives the Jupiter orbit 25 to rotate along the slide 11, so that the movement of Jupiter 45 around the sun 5 is realized, the rotation of the Jupiter orbit 25 drives the Jupiter outer diameter gear 613 and the local planet driven gear 614 to rotate, the local planet driven gear 614 rotates Then, the Saturn inner diameter gear 615 is driven to rotate, and the Saturn inner diameter gear 615 drives the Saturn orbit 26 to rotate along the slide slot 11, so that the Saturn 46 moves around the sun 5. The rotation of the Saturn orbit 26 drives the Saturn outer diameter gear 616 and the Saturn driven gear 617 to rotate. The rotation of the Saturn driven gear 617 drives the Uranus inner diameter gear 618 to rotate. The Uranus inner diameter gear 618 drives the Uranus orbit 27 to rotate along the slide slot 11, so that the Uranus 47 moves around the sun 5. The rotation of the Uranus orbit 27 drives the Uranus outer diameter gear 619 and the Uranus driven gear 620 to rotate. The rotation of the Uranus driven gear 620 drives the Neptune inner diameter gear 621 to rotate. The Neptune inner diameter gear 621 drives the Neptune orbit 28 to rotate along the slide slot 11. The driven gears 62, 65, 68, 611, 614, 617 and 620 of Mercury, 21, 22, 23, 24, 25, 26, 27 and 28 of Earth are different in diameter, so as to realize the different rotation speeds of the orbits of Mercury, Venus, Uranus, Uranus, and 28 of Venus, and the shapes, sizes, positions and motion trajectories of Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune are all clear at a glance. The motion state of the eight planets in the solar system revolving around the sun 5 is vivid and intuitive, and the demonstration effect is lifelike.It is convenient for students to understand the knowledge of the eight planets in a vivid way. The teaching method of teaching aids can gradually cultivate students' interest in geographical knowledge, and then continue to learn and progress in interest, increase students' desire and interest in seeking knowledge, and allow students to understand and master a series of geographical knowledge faster and more intuitively.
[0024] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the utility model.
Claims
1. A solar system planetary motion demonstration teaching aid, characterized in that: The solar system planetary motion demonstration teaching aid comprises a chassis (1), a planetary track (2), a support rod (3), a planetary assembly (4), a sun (5), and a gear assembly (6). The chassis (1) is provided with eight groups of slide grooves (11). The planetary track (2) is rotatably mounted in the slide grooves (11). The planetary track (2) comprises a Mercury track (21), a Venus track (22), an Earth track (23), a Mars track (24), a Jupiter track (25), a Saturn track (26), a Uranus track (27), and a Neptune track (28). The support rod (3) is mounted on the planetary track (2). The planetary assembly (4) is mounted on the top of the support rod (3). The planetary assembly (4) comprises Mercury (41), Venus (42), Earth (43), Mars (44), Jupiter (45), Saturn (46), Uranus (47), Neptune (48), and the sun (5) are rotatably mounted at the center of the Mercury orbit (21); Mercury (41), Venus (42), Earth (43), Mars (44), Jupiter (45), Saturn (46), Uranus (47), and Neptune (48) are sequentially mounted on the Mercury orbit (21), Venus orbit (22), Earth orbit (23), Mars orbit (24), Jupiter orbit (25), Saturn orbit (26), Uranus orbit (27), and Neptune orbit (28) through support rods (3); a cavity sandwich is formed between the chassis (1) and the planetary orbit (2); a gear assembly (6) is mounted in the cavity sandwich; and the planetary orbits (2) are connected to each other through the gear assembly (6).
2. A solar system planetary motion demonstration teaching aid as claimed in claim 1, characterized in that: The planetary orbits (2) are, from the inside to the outside, Mercury orbit (21), Venus orbit (22), Earth orbit (23), Mars orbit (24), Jupiter orbit (25), Saturn orbit (26), Uranus orbit (27), and Neptune orbit (28).
3. A solar system planetary motion demonstration teaching aid as claimed in claim 1 or 2, characterized in that: The Mercury orbit (21) is set in a disk shape, the sun (5) is rotatably installed at the center of the disk, and the Venus orbit (22), the Earth orbit (23), the Mars orbit (24), the Jupiter orbit (25), the Saturn orbit (26), the Uranus orbit (27), and the Neptune orbit (28) are set in concentric gear rings.
4. A solar system planetary motion demonstration teaching aid as claimed in claim 1 or 2, characterized in that: The gear assembly (6) is provided with four groups, and the gear assembly (6) includes a Mercury outer diameter gear (61), a Mercury driven gear (62), a Venus inner diameter gear (63), a Venus outer diameter gear (64), a Venus driven gear (65), an Earth inner diameter gear (66), an Earth outer diameter gear (67), an Earth driven gear (68), a Mars inner diameter gear (69), a Mars outer diameter gear (610), a Mars driven gear (611), a Jupiter inner diameter gear (612), a Jupiter outer diameter gear (613), a Jupiter driven gear (614), a Saturn inner diameter gear (615), a Saturn outer diameter gear (616), a Saturn driven gear (617), an Uranus inner diameter gear (618), an Uranus outer diameter gear (619), The Uranus driven gear (620), the Neptune inner diameter gear (621), the Mercury outer diameter gear (61), and the Mercury driven gear (62) are rotatably mounted on the chassis (1); the Mercury outer diameter gear (61) is meshedly connected with the Mercury orbit (21); one end of the Venus inner diameter gear (63) is transmission-connected with the Mercury driven gear (62), and the other end is meshedly connected with the inner gear ring of the Venus orbit (22); the Venus outer diameter gear (64) and the Venus driven gear (65) are rotatably mounted on the chassis (1); the Venus outer diameter gear (64) is meshedly connected with the outer gear ring of the Venus orbit (22); one end of the Earth inner diameter gear (66) is meshedly connected with the Venus driven gear (65), and the other end is meshedly connected with the inner gear ring of the Earth orbit (23); The outer diameter gear (67) and the Earth driven gear (68) are rotatably mounted on the chassis (1); the Earth outer diameter gear (67) is meshed with the outer gear ring of the Earth orbit (23); one end of the Mars inner diameter gear (69) is meshed with the Earth driven gear (68) and the other end is meshed with the inner gear ring of the Mars orbit (24); the Mars outer diameter gear (610) and the Mars driven gear (611) are rotatably mounted on the chassis (1); the Mars outer diameter gear (610) is meshed with the outer gear ring of the Mars orbit (24); the Jupiter inner diameter gear (612) is meshed with the Mars driven gear (611) and the other end is meshed with the inner gear ring of the Jupiter orbit (25); the Jupiter outer diameter gear (613) and the Jupiter driven gear (614 ... The gear (613) is rotatably mounted on the chassis (1). The outer diameter gear (613) of Jupiter is meshed with the outer gear ring of Jupiter track (25). One end of the inner diameter gear (615) of Saturn is meshed with the driven gear (614) of Jupiter and the other end is meshed with the inner gear ring of Saturn track (26). The outer diameter gear (616) of Saturn and the driven gear (617) of Saturn are rotatably mounted on the chassis (1). The outer diameter gear (616) of Saturn and the outer gear ring of Saturn track (26). One end of the inner diameter gear (618) of Uranus is meshed with the driven gear (617) of Saturn and the other end is meshed with the inner gear ring of Uranus track (27). The outer diameter gear (619) of Uranus and the driven gear (620) of Uranus are rotatably mounted on the chassis (1).The Uranus outer diameter gear (619) is meshed with the outer gear ring of the Uranus orbit (27), one end of the Neptune inner diameter gear (621) is meshed with the Uranus driven gear (620), and the other end is meshed with the inner gear ring of the Neptune orbit (28).