Spaceflight lunar exploration science popularization demonstration device

Abstract

The utility model discloses a spaceflight lunar exploration science popularization demonstration device which comprises a demonstration platform, a magpie bridge demonstration mechanism is arranged on the demonstration platform, and a protection mechanism is arranged on the periphery of the demonstration platform. The magpie bridge demonstration mechanism comprises a first groove, a driving motor, a driving shaft, a first transmission shaft, an earth model, a second transmission shaft, a rotating plate, a moon model, a connecting rod, a third transmission shaft, a rotating shaft, a rotating disc and a magpie bridge satellite model. The magpie bridge demonstration device has the beneficial effects that the magpie bridge demonstration mechanism is arranged on the demonstration platform, the driving motor is adopted to drive the earth model to rotate, the moon model revolves around the earth model, the magpie bridge satellite model rotates around the back surface of the moon model, and the magpie bridge satellite signal transmission principle is simulated through the group of infrared laser transmitters; the experience effect of viewers and spaceflight lunar exploration science popularization teaching performance are improved, and the protection mechanism adopts a hydraulic lifting platform to drive a transparent circular ring protection cover to ascend and descend, so that the protection effect on the magpie bridge demonstration mechanism can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of popular science exhibits, in particular to a space exploration and moon science popularization demonstration device. Background Art

[0002] The space exploration lunar science demonstration device mainly consists of a partial moon model, a partial earth model, a bracket, and a satellite, which are all fixed on the surface of a fixed plate for people to watch. When watching, people can imagine its operation process through the fixed position of each part, or understand it through the explanation of professionals.

[0003] Queqiao is the relay satellite of the Chang'e-4 lunar probe. After launch, it will operate at the "Earth-Moon System Lagrange-2 Point" (Earth-Moon L2 Point for short) to provide Earth-Moon relay communication support for the Chang'e-4 probe. The existing patent application number is CN202222589319.5, which discloses a space exploration and lunar science demonstration device. It uses a dynamic display method to clearly show the relationship between the earth, the moon and the satellite, so that the viewer can have a more thorough understanding. However, the device cannot effectively and intuitively display the principle of satellite signal transmission, which affects the viewer's experience and reduces the teaching of space exploration and lunar science.

[0004] It should be noted that the above contents belong to the technical knowledge of the inventor and do not necessarily constitute prior art. Utility Model Content

[0005] In view of the above defects, the utility model provides a space exploration and lunar exploration science popularization demonstration device to solve the problem of space exploration and lunar exploration science popularization satellite signal transmission demonstration.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A space exploration and lunar science demonstration device, comprising a demonstration platform, a magpie bridge demonstration mechanism is arranged on the demonstration platform, and protective mechanisms are arranged around the demonstration platform;

[0008] The magpie bridge demonstration mechanism includes a groove one, a driving motor, a driving shaft, a transmission shaft one, an earth model, a transmission shaft two, a rotating plate, a moon model, a connecting rod, a transmission shaft three, a rotating shaft, a rotating disk and a magpie bridge satellite model. The groove one is opened at the top of the demonstration platform, the driving motor is installed on the right side of the groove one, the driving shaft is installed on the rotating end of the driving motor, the transmission shaft one is movably installed on the left side of the groove one, the earth model is installed on the upper end of the transmission shaft one, the transmission shaft two is movably inserted in the center of the demonstration platform and is hollow inside, the rotating plate is installed on one side of the upper end of the transmission shaft two, the moon model is installed on the rotating plate, the connecting rod is installed on the front end of the rotating plate and is hollow inside, the transmission shaft three is movably inserted in the connecting rod, the rotating shaft is movably inserted at the upper end of the connecting rod, the rotating disk is installed at the front end of the rotating shaft, and the magpie bridge satellite model is installed on the rotating disk.

[0009] Furthermore, the protective mechanism includes a second groove, a hydraulic lifting platform and a transparent circular ring protective cover, wherein the second groove is opened at the bottom of the demonstration platform, the hydraulic lifting platform is installed in the second groove, and the transparent circular ring protective cover is installed on the upper end of the hydraulic lifting platform.

[0010] Furthermore, a circular groove corresponding to the transparent circular protective cover is formed on the demonstration platform.

[0011] Furthermore, the drive shaft is connected to the first transmission shaft via a set of acceleration gear sets, and the drive shaft is connected to the second transmission shaft via a set of reduction gear sets.

[0012] Furthermore, a circular groove 2 is formed on the demonstration platform, an annular rack is installed in the circular groove 2, and a transmission gear meshing with the annular rack is installed at the bottom of the transmission shaft 3.

[0013] Furthermore, a group of infrared laser emitters corresponding to the earth model and the moon model are installed in the Queqiao satellite model.

[0014] Furthermore, the transmission shaft three is connected to the rotating shaft via a set of bevel gear sets.

[0015] The utility model provides a space exploration and lunar exploration science demonstration device, which has the following beneficial effects: a magpie bridge demonstration mechanism is arranged on a demonstration platform, and a driving motor is used to drive the earth model to rotate while the moon model revolves around the earth model. At the same time, a magpie bridge satellite model rotates around the back of the moon model, and a group of infrared laser transmitters are used to simulate the signal transmission principle of the magpie bridge satellite, thereby improving the viewer's experience effect and the space exploration and lunar exploration science teaching; the protective mechanism adopts a hydraulic lifting platform to drive the transparent circular ring protective cover to rise and fall, which can protect the magpie bridge demonstration mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a schematic diagram of a space exploration and lunar science demonstration device.

[0017] Figure 2 It is a schematic diagram of the magpie bridge demonstration mechanism of the utility model.

[0018] Figure 3 This is a schematic diagram of the transmission gear transmission of the utility model.

[0019] Figure 4 This is a schematic diagram of the installation of the Queqiao satellite model described in the utility model.

[0020] Figure 5 It is a schematic diagram of the protection mechanism of the utility model.

[0021] Figure 6 This is a top view of the transparent circular ring protective cover described in the utility model.

[0022] In the figure: 1. Demonstration table; 2. Groove 1; 3. Driving motor; 4. Driving shaft; 5. Transmission shaft 1; 6. Earth model; 7. Transmission shaft 2; 8. Rotating plate; 9. Moon model; 10. Connecting rod; 11. Transmission shaft 3; 12. Rotating axis; 13. Rotating disk; 14. Queqiao satellite model; 15. Groove 2; 16. Hydraulic lifting platform; 17. Transparent circular ring protective cover; 18. Circular groove 1; 19. Acceleration gear set; 20. Reduction gear set; 21. Circular groove 2; 22. Ring rack; 23. Transmission gear; 24. Infrared laser transmitter. DETAILED DESCRIPTION

[0023] The utility model is described in detail below in conjunction with the accompanying drawings. Figure 1-6As shown: a space exploration and lunar science demonstration device, including a demonstration platform 1, a magpie bridge demonstration mechanism is arranged on the demonstration platform 1, and protective mechanisms are arranged around the demonstration platform 1; the magpie bridge demonstration mechanism includes a groove 2, a drive motor 3, a drive shaft 4, a transmission shaft 5, an earth model 6, a transmission shaft 2 7, a rotating plate 8, a moon model 9, a connecting rod 10, a transmission shaft 3 11, a rotating shaft 12, a rotating disk 13 and a magpie bridge satellite model 14, the groove 2 is opened at the top of the demonstration platform 1, the drive motor 3 is installed on the right side of the groove 2, and the drive shaft 4 is installed on the right side of the groove 2. The driving shaft 4 is installed on the rotating end of the driving motor 3, the transmission shaft 1 5 is movably installed on the left side of the groove 1, the earth model 6 is installed on the upper end of the transmission shaft 1 5, the transmission shaft 2 7 is movably inserted in the center of the demonstration platform 1, and is hollow inside, the rotating plate 8 is installed on one side of the upper end of the transmission shaft 2 7, the moon model 9 is installed on the rotating plate 8, the connecting rod 10 is installed at the front end of the rotating plate 8, and is hollow inside, the transmission shaft 3 11 is movably inserted in the connecting rod 10, and the rotating shaft 12 is movably inserted at the upper end of the connecting rod 10. The rotating disk 13 is installed at the front end of the rotating shaft 12, and the Queqiao satellite model 14 is installed on the rotating disk 13; the protective mechanism includes a groove 15, a hydraulic lifting platform 16 and a transparent ring protective cover 17, the groove 15 is opened at the bottom of the demonstration platform 1, the hydraulic lifting platform 16 is installed in the groove 15, and the transparent ring protective cover 17 is installed on the upper end of the hydraulic lifting platform 16; the demonstration platform 1 is provided with a circular groove 18 corresponding to the transparent ring protective cover 17; a set of The acceleration gear set 19 is connected in transmission, and the drive shaft 4 and the transmission shaft 2 7 are connected in transmission through a group of reduction gear sets 20; a circular groove 21 is opened on the demonstration platform 1, and a ring rack 22 is installed in the circular groove 21, and a transmission gear 23 meshing with the ring rack 22 is installed at the bottom of the transmission shaft 3 11; a group of infrared laser emitters 24 corresponding to the earth model 6 and the moon model 9 are installed in the Queqiao satellite model 14; the transmission shaft 3 11 and the rotating shaft 12 are connected in transmission through a group of bevel gear sets 25.

[0024] Working principle of this embodiment: The electrical equipment used by the device is controlled by an external controller, and wiring holes are respectively opened at the rear ends of the groove 1 2 and the groove 2 15;

[0025] During the magpie bridge demonstration: groove 2 is opened at the top of the demonstration platform 1, the driving motor 3 is installed on the right side of the groove 2, the driving shaft 4 is installed on the rotating end of the driving motor 3, the bottom of the transmission shaft 5 is movably installed on the left side of the groove 2 through a fastening bearing, the earth model 6 is installed on the upper end of the transmission shaft 5, the transmission shaft 2 7 is movably inserted in the center of the demonstration platform 1 through a fastening bearing, the transmission shaft 2 7 is sleeved on the outside of the transmission shaft 1 5, and the movements of the two do not interfere with each other, the rotating plate 8 is installed on one side of the upper end of the transmission shaft 2 7, the moon model 9 is installed on the rotating plate 8, the connecting rod 10 is installed at the front end of the rotating plate 8, and the inside is hollow, the transmission shaft 3 11 is movably inserted in the connecting rod 10 through a fastening bearing, and the rotating shaft 12 is movably inserted in the connecting rod 10 through a fastening bearing. Installed on the upper end of the connecting rod 10, the rotating disk 13 is installed at the front end of the rotating shaft 12, and the Queqiao satellite model 14 is installed on the rotating disk 13. The driving shaft 4 and the transmission shaft 1 5 are connected by a group of acceleration gear sets 19, and the driving shaft 4 and the transmission shaft 2 7 are connected by a group of reduction gear sets 20. A circular groove 21 is opened on the demonstration platform 1, and a ring rack 22 is installed in the circular groove 21. A transmission gear 23 meshing with the ring rack 22 is installed at the bottom of the transmission shaft 3 11. A group of infrared laser transmitters 24 corresponding to the earth model 6 and the moon model 9 are installed in the Queqiao satellite model 14. The transmission shaft 3 11 and the rotating shaft 12 are connected by a group of bevel gear sets 25. Figure 2 — Figure 4 As shown, the driving motor 3 first drives the earth model 6 on the upper end of the transmission shaft 1 5 to rotate through a group of acceleration gear sets 19, and drives the transmission shaft 2 7 and the moon model 9 on the rotating plate 8 to slowly rotate around the earth model 6 through a group of reduction gear sets 20. At the same time, the transmission shaft 3 11 can drive the Queqiao satellite model 14 on the rotating disk 13 to rotate around the back of the moon model 9 through the bottom transmission gear 23, and simulate the signal transmission principle of the Queqiao satellite through a group of infrared laser transmitters 24. When rotating, a group of infrared laser transmitters 24 can always irradiate the earth model 6 and the moon model 9, which improves the viewer experience effect and the popularization and teaching of space exploration and lunar science;

[0026] When protecting: the groove 15 is opened at the bottom of the demonstration platform 1, the hydraulic lifting platform 16 is installed in the groove 15, the transparent ring protective cover 17 is installed on the upper end of the hydraulic lifting platform 16, and the demonstration platform 1 is opened with a circular groove 18 corresponding to the transparent ring protective cover 17. Figure 5 and Figure 6 As shown, the initial position of the transparent circular ring protective cover 17 is located in the circular groove 18, which is convenient for viewers to contact the components of the magpie bridge demonstration mechanism. When the magpie bridge demonstration mechanism is working, the hydraulic lifting platform 16 drives the transparent circular ring protective cover 17 to rise, which can protect the magpie bridge demonstration mechanism.

[0027] The above technical solutions only reflect the preferred technical solutions of the technical solutions of the utility model. Some changes that may be made to certain parts thereof by technicians in this technical field all reflect the principles of the utility model and fall within the protection scope of the utility model.

Claims

1. A space exploration and lunar science demonstration device, comprising a demonstration platform (1), characterized in that: The demonstration platform (1) is provided with a magpie bridge demonstration mechanism, and protective mechanisms are provided around the demonstration platform (1); The magpie bridge demonstration mechanism comprises a groove one (2), a driving motor (3), a driving shaft (4), a transmission shaft one (5), an earth model (6), a transmission shaft two (7), a rotating plate (8), a moon model (9), a connecting rod (10), a transmission shaft three (11), a rotating shaft (12), a rotating disk (13) and a magpie bridge satellite model (14), wherein the groove one (2) is opened at the top of the demonstration platform (1), the driving motor (3) is installed on the right side of the groove one (2), the driving shaft (4) is installed on the rotating end of the driving motor (3), the transmission shaft one (5) is movably installed on the left side of the groove one (2), and the earth model ( 6) is mounted on the upper end of the transmission shaft one (5), the transmission shaft two (7) is movably inserted at the center of the demonstration platform (1) and is hollow inside, the rotating plate (8) is mounted on one side of the upper end of the transmission shaft two (7), the moon model (9) is mounted on the rotating plate (8), the connecting rod (10) is mounted at the front end of the rotating plate (8) and is hollow inside, the transmission shaft three (11) is movably inserted in the connecting rod (10), the rotating shaft (12) is movably inserted at the upper end of the connecting rod (10), the rotating disk (13) is mounted at the front end of the rotating shaft (12), and the Queqiao satellite model (14) is mounted on the rotating disk (13).

2. The space exploration and lunar exploration science demonstration device according to claim 1, characterized in that: The protective mechanism comprises a second groove (15), a hydraulic lifting platform (16) and a transparent circular ring protective cover (17), wherein the second groove (15) is opened at the bottom of the demonstration platform (1), the hydraulic lifting platform (16) is installed in the second groove (15), and the transparent circular ring protective cover (17) is installed on the upper end of the hydraulic lifting platform (16).

3. The space exploration and lunar exploration science demonstration device according to claim 1, characterized in that: The demonstration platform (1) is provided with a circular groove (18) corresponding to the transparent circular protective cover (17).

4. The space exploration and lunar exploration science demonstration device according to claim 1, characterized in that: The drive shaft (4) is connected to the first transmission shaft (5) via a set of acceleration gear sets (19), and the drive shaft (4) is connected to the second transmission shaft (7) via a set of reduction gear sets (20).

5. The space exploration and lunar exploration science demonstration device according to claim 1, characterized in that: The demonstration platform (1) is provided with a circular groove (21), an annular rack (22) is installed in the circular groove (21), and a transmission gear (23) meshing with the annular rack (22) is installed at the bottom of the transmission shaft (11).

6. The space exploration and lunar exploration science demonstration device according to claim 1, characterized in that: A group of infrared laser transmitters (24) corresponding to the earth model (6) and the moon model (9) are installed in the Queqiao satellite model (14).

7. The space exploration and lunar exploration science demonstration device according to claim 1, characterized in that: The transmission shaft 3 (11) and the rotating shaft (12) are connected to each other via a set of bevel gears (25).

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