CN219418351U - Star retrograde demonstrating device - Google Patents
Star retrograde demonstrating device Download PDFInfo
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- CN219418351U CN219418351U CN202320233892.4U CN202320233892U CN219418351U CN 219418351 U CN219418351 U CN 219418351U CN 202320233892 U CN202320233892 U CN 202320233892U CN 219418351 U CN219418351 U CN 219418351U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model relates to the technical field of teaching instruments, in particular to a water star retrograde demonstrating device. This water star demonstration device that drives in reverse includes: the panel is provided with a first sphere and a second sphere which synchronously and circularly move along the center of the panel at the front side of the panel, and the movement radius of the first sphere is smaller than that of the first sphere; a crank connecting rod structure is adopted between the first sphere and the second sphere to movably connect a pointer rod, and the pointer rod is driven by the movement of the first sphere and the second sphere to irregularly rotate along the panel so as to realize confirmation of a retrograde range and demonstration of retrograde effect; the driving mechanism is arranged at the rear side of the panel and is used for driving the first sphere and the second sphere to synchronously rotate; the first ball running speed is greater than the second ball running speed under the driving of the driving mechanism. The device for demonstrating the retrograde movement of the water star is scientific in structural design, can intuitively embody the movement state between the water star and the earth, observes the range and the effect of the retrograde movement of the water star, and is more beneficial to grasp of the retrograde concept of the water star.
Description
Technical Field
The utility model relates to the technical field of teaching instruments, in particular to a water star retrograde demonstrating device.
Background
The water star retrograde motion is an astronomical phenomenon, and is not the reverse direction of the actual running direction of the water star, but the visual track change caused by the angle difference between the water star running track and the yellow track caused by the rotation of the earth.
In order to better understand the running state of the water star in the reverse running process, especially the running state of the water star along the track of the water star and the running state of the earth along the track of the earth in the running process, a more visual experimental instrument is needed to be presented, so that people can understand and master the running track of the water star in the reverse running process, and the true phase of the water star in the reverse running process is searched.
Disclosure of Invention
The utility model provides a device for demonstrating the retrograde movement of a water star, which is scientific in structural design, can intuitively display the movement state between the water star and the earth, observe the retrograde section range and effect of the retrograde movement of the water star, is more beneficial to the grasp of the retrograde movement concept of the water star, and solves the problems in the prior art.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
a water star retrograde presentation apparatus comprising:
the panel is provided with a first sphere and a second sphere which synchronously move anticlockwise and circularly along the center of the panel at the front side of the panel, and the movement radius of the first sphere is smaller than that of the first sphere; a crank connecting rod structure is adopted between the first sphere and the second sphere to movably connect a pointer rod, and the pointer rod is driven by the movement of the first sphere and the second sphere to irregularly rotate along the panel so as to realize confirmation of a retrograde range and demonstration of retrograde effect;
the driving mechanism is arranged at the rear side of the panel and is used for driving the first sphere and the second sphere to synchronously rotate; the first ball running speed is greater than the second ball running speed under the driving of the driving mechanism.
Further, the panel is a circular panel.
Further, the first sphere and the second sphere represent a water star and the earth, respectively, in the presentation device; the center of the panel represents the sun; the running track of the first sphere is the water star track, and the running track of the second sphere is the earth track.
Further, the driving mechanism comprises a driving gear, the driving gear is assembled on the rear side of the panel through a driving shaft, an idler wheel is arranged on the outer side of the driving gear, the idler wheel is assembled on the rear side of the panel through an idler wheel shaft, the idler wheel comprises a first idler wheel meshed with the driving gear and a second idler wheel arranged on the front side of the first idler wheel, and the outer diameter of the first idler wheel is larger than that of the second idler wheel; the center of the panel outside the idler wheel is provided with a central shaft, the rear end of the central shaft penetrates out of the rear side of the panel and is sleeved with a first sphere gear, the first sphere gear is meshed with the first idler wheel, the front end of the central shaft penetrates out of the front side of the panel and is connected with the first sphere through a first connecting rod, a shaft sleeve is sleeved on the central shaft of the front side of the first sphere gear, the front end of the shaft sleeve penetrates out of the front side of the panel and is provided with a sun gear, the sun gear is meshed with a second idler wheel, and the front end of the shaft sleeve is connected with the second sphere through a second connecting rod.
Further, a hand wheel is connected to the rear end of the driving gear.
Further, the connecting shaft rods are respectively rotated at the spherical center positions of the first sphere and the second sphere, through holes are formed in the shaft rods, the pointer rod sequentially penetrates through the through holes in the two shaft rods, the pointer rod is fixed in the through holes in the shaft rods of the first sphere, and the pointer rod is in clearance fit with the through holes in the shaft rods of the second sphere.
Further, the connecting structure of the shaft rod and the pointer rod forms a crank connecting rod moving structure with the pointer rod under the driving of the movement of the first ball body and the second ball body.
Further, when the pointer rod is driven by the movement of the first ball body and the second ball body to rotate anticlockwise along the panel, the telescopic reciprocating movement effect of the pointer rod relative to the second ball body can appear three times in a circumferential range, namely, the range of the retrograde section is respectively in the top of the panel and the left side and the right side ranges which are distributed in a triangular mode with the top. In this range, because the pointer rod is driven by the first ball, the second ball and the shaft rod arranged thereon, reciprocating motion between a top dead center and a bottom dead center can occur in the range of the retrograde segment of the panel, and the running states of the first ball and the second ball in this range are the retrograde states of the water star shown by the demonstration device.
Further, the device for demonstrating the retrograde water star comprises a support, wherein the support is used for supporting the panel.
Further, the bracket comprises a vertical support connected with the bottom of the rear side of the panel and a base connected with the bottom end of the vertical support.
Further, both ends of the vertical support are hinged with the panel and the base respectively.
Further, a gear protection structure is detachably arranged on the rear side of the panel outside the driving mechanism.
Further, the gear protection structure comprises a driving plate and a driving upper plate which are arranged on the front side and the rear side of the driving structure, and the driving plate and the driving upper plate are detachably connected with the panel through threaded fasteners.
The utility model has the beneficial effects that:
the device for demonstrating the retrograde movement of the water star can intuitively demonstrate the difference of the movement track and the movement speed of the earth and the water star, and observe the range of the retrograde movement section of the pointer rod at different positions on the panel, wherein the range is the situation that the water star looks in a retrograde state relative to the earth in practice. The demonstration device can clearly present the state, which is beneficial to teaching and learning, improves teaching effect and reduces learning difficulty of students.
The device for demonstrating the retrograde movement of the water star realizes synchronous driving of the first sphere and the second sphere respectively representing the water star and the earth through the arrangement of the driving mechanism-the driving gear, the idler gear, the sun gear and the like at the rear side of the panel, ensures different movement speeds and tracks of the two spheres, simulates the relative running states of the earth and the water star, and is easy to understand and observe.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the front view of FIG. 1;
FIG. 3 is a schematic side view of FIG. 2;
FIG. 4 is a schematic diagram of a driving mechanism according to the present utility model;
fig. 5 is a schematic top view of fig. 3.
The device comprises a round panel 1, a first sphere 2, a second sphere 3, a pointer rod 4, a driving gear 5, a driving shaft 6, a first idler wheel 7, a second idler wheel 8, a first sphere gear 9, a first connecting rod 10, a sun gear 11, a second connecting rod 12, a shaft rod 13, a hand wheel 14, a bracket 15, a driving plate 16 and a driving upper plate 17.
Detailed Description
In order to clearly illustrate the technical characteristics of the scheme, the utility model is explained in detail by the following specific embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1-5, the device for demonstrating the retrograde movement of the water star comprises a circular panel 1 representing a star-space disc, wherein a first sphere 2 and a second sphere 3 which synchronously move anticlockwise and circularly along the center of the circular panel are arranged on the front side of the circular panel, the first sphere represents the water star, the second sphere represents the earth, and the center of the circular panel 1 is equivalent to the sun. Thus, it can be seen that the orbit of the water star is inside the orbit of the earth, i.e. the first sphere radius of motion is smaller than the first sphere radius of motion. A crank connecting rod structure is adopted between the first sphere and the second sphere to movably connect a pointer rod 4, and the pointer rod is driven by the movement of the first sphere and the second sphere to irregularly rotate along the circular panel; in the motion process, when the pointer rod is driven by the first and second spheres to rotate anticlockwise along the circular panel, the telescopic reciprocating motion effect of the pointer rod relative to the second sphere 3 can appear three times in a circumferential range, namely, the retrograde segment range is respectively in the top of the circular panel and the left side and right side ranges which are distributed in a triangular mode with the top, as shown in the retrograde segment track on the circular panel 1 in fig. 2. In the range, the pointer rod reciprocates in a reverse running track, and the pointer rod is driven by the movement of the first ball body and the second ball body to reciprocate in a range of a top dead center and a bottom dead center so as to form a reciprocating retrograde track, so that a retrograde effect of the water star relative to the earth in the retrograde section range can be known and mastered.
The synchronous anticlockwise motion state of the first sphere and the second sphere is driven by a driving mechanism arranged at the rear side of the circular panel 1; the first ball running speed is greater than the second ball running speed under the drive of the driving mechanism, and is consistent with the difference of the actual running speeds of the water star and the earth.
The driving mechanism comprises a driving gear 5, wherein the driving gear is assembled on the rear side of the circular panel 1 through a driving shaft 6, an idler wheel is arranged on the outer side of the driving gear, the idler wheel is assembled on the rear side of the circular panel through an idler wheel shaft, the idler wheel comprises a first idler wheel 7 meshed with the driving gear and a second idler wheel 8 arranged on the front side of the first idler wheel, and the outer diameter of the first idler wheel is larger than that of the second idler wheel; the center of the round panel outside the idler wheel is provided with a central shaft, the rear end of the central shaft penetrates out of the rear side of the round panel and is sleeved with a first ball gear 9, the first ball gear is meshed with a first idler wheel 7, the front end of the central shaft penetrates out of the front side of the panel and is connected with the first ball 2 through a first connecting rod 10, the central shaft of the front side of the first ball gear 9 is sleeved with a shaft sleeve, the front end of the shaft sleeve penetrates out of the front side of the panel and is provided with a sun gear 11, the sun gear is meshed with a second idler wheel 8, and the front end of the shaft sleeve is connected with the second ball 3 through a second connecting rod 12.
The aforementioned retrograde range is understood through the connection structure that sets up between pointer pole 4 and first, second spheroid, all rotates at the sphere center position of first spheroid 2 and second spheroid 3 and is connected with axostylus axostyle 13, sets up the through-hole on each axostylus axostyle, the pointer pole passes through the through-hole setting on two axostylus axostyle in proper order, and the through-hole position rigid coupling on pointer pole and the first spheroidal axostylus axostyle, through-hole position clearance fit on pointer pole and the second spheroidal axostylus axostyle. The connecting structure and the pointer rod form a crank motion connecting rod structure under the driving of the movement of the first ball body and the second ball body. In a certain rotation range, the pointer rod normally performs circular motion along the circular panel, and in the position of three retrograde sections shown on the circular panel, retrograde motion states can be formed, and normal rotation and the reciprocating motion of retrograde sections are circularly completed within a circle range of the circular panel.
A hand wheel 14 is connected to the rear end of the driving gear 5. The driving gear 5 is driven to rotate firstly through the rotation of the hand wheel, and then the idler wheel meshed with the driving gear 5 is driven to rotate on the idler wheel shaft, and as the two idler wheel shafts are respectively meshed with the sun wheel 11 and the first ball gear 9, the first ball gear drives the central shaft to rotate, and then drives the first ball 2 connected with the central shaft to rotate, namely, the water star rotates along the water star track, and meanwhile, the sun wheel 11 drives the shaft sleeve connected with the second ball 3 to rotate, and further synchronous rotation of the second ball, namely, rotation of the earth along the earth track is realized. In the synchronous rotation process of the two spheres, the pointer rods arranged in the shaft rods are driven to reciprocate through the shaft rods 13 arranged in the two spheres.
The water star retrograde demonstration device further comprises a support 15, wherein the support comprises a vertical support connected with the bottom of the rear side of the circular panel and a base connected with the bottom of the vertical support, and two ends of the vertical support are respectively hinged with the panel and the base. Through the support setting, make things convenient for the demonstration angle of circular panel of demonstration in-process regulation, observe more easily.
And the rear side of the round panel outside the driving mechanism is detachably provided with a gear protection structure. The gear protection structure comprises a driving plate 16 and a driving upper plate 17 which are arranged on the front side and the rear side of the driving structure, and the driving plate and the driving upper plate are detachably connected with the circular panel through bolts. Through setting up drive plate and drive upper plate, formed the effective protection to actuating mechanism, avoided damaging.
The above embodiments are not to be taken as limiting the scope of the utility model, and any alternatives or modifications to the embodiments of the utility model will be apparent to those skilled in the art and fall within the scope of the utility model.
The present utility model is not described in detail in the present application, and is well known to those skilled in the art.
Claims (8)
1. A water star retrograde presentation apparatus, comprising:
the panel is provided with a first sphere and a second sphere which synchronously move anticlockwise and circularly along the center of the panel at the front side of the panel, and the movement radius of the first sphere is smaller than that of the first sphere; a crank connecting rod structure is adopted between the first sphere and the second sphere to movably connect a pointer rod, and the pointer rod is driven by the movement of the first sphere and the second sphere to irregularly rotate along the panel so as to realize the confirmation of the range of the retrograde segment and the demonstration of the retrograde effect;
the driving mechanism is arranged at the rear side of the panel and is used for driving the first sphere and the second sphere to synchronously rotate; the first ball running speed is greater than the second ball running speed under the driving of the driving mechanism.
2. The device for demonstrating retrograde water-star according to claim 1, wherein the driving mechanism comprises a driving gear, the driving gear is assembled on the rear side of the panel through a driving shaft, an idler is arranged on the outer side of the driving gear, the idler is assembled on the rear side of the panel through an idler shaft, the idler comprises a first idler meshed with the driving gear and a second idler arranged on the front side of the first idler, and the outer diameter of the first idler is larger than that of the second idler; the center of the panel outside the idler wheel is provided with a central shaft, the rear end of the central shaft penetrates out of the rear side of the panel and is sleeved with a first sphere gear, the first sphere gear is meshed with the first idler wheel, the front end of the central shaft penetrates out of the front side of the panel and is connected with the first sphere through a first connecting rod, a shaft sleeve is sleeved on the central shaft of the front side of the first sphere gear, the front end of the shaft sleeve penetrates out of the front side of the panel and is provided with a sun gear, the sun gear is meshed with a second idler wheel, and the front end of the shaft sleeve is connected with the second sphere through a second connecting rod.
3. The device for demonstrating retrograde motion of water star according to claim 2, wherein a hand wheel is connected to the rear end of the driving gear.
4. The device for demonstrating retrograde water star according to claim 1, wherein the connecting shafts are rotated at the center of the first sphere and the center of the second sphere, through holes are formed in each shaft, the pointer rod sequentially penetrates through the through holes in the two shafts, the pointer rod is fixed in the through hole in the shaft of the first sphere, and the pointer rod is in clearance fit with the through hole in the shaft of the second sphere.
5. The water star retrograde presentation apparatus according to any of claims 1-4, further comprising a stand for supporting the panel.
6. The water star retrograde presentation apparatus of claim 5, wherein the stand comprises a vertical support connected to the bottom of the rear side of the panel and a base connected to the bottom end of the vertical support.
7. The device for demonstrating retrograde motion of water stars according to claim 1 wherein a gear guard is removably mounted on the rear side of the panel outside the drive mechanism.
8. The device for demonstrating retrograde water star according to claim 7 wherein the gear protecting structure comprises a driving plate and a driving upper plate which are arranged on the front side and the rear side of the driving structure, and the driving plate and the driving upper plate are detachably connected with the panel through threaded fasteners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320233892.4U CN219418351U (en) | 2023-02-02 | 2023-02-02 | Star retrograde demonstrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320233892.4U CN219418351U (en) | 2023-02-02 | 2023-02-02 | Star retrograde demonstrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219418351U true CN219418351U (en) | 2023-07-25 |
Family
ID=87203632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320233892.4U Active CN219418351U (en) | 2023-02-02 | 2023-02-02 | Star retrograde demonstrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219418351U (en) |
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2023
- 2023-02-02 CN CN202320233892.4U patent/CN219418351U/en active Active
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