Driving device of astronomical dome

Abstract

The utility model discloses a driving device of an astronomical dome, which relates to the technical field of astronomical observation and comprises an astronomical dome body, a base is arranged at the bottom end of the astronomical dome body, the astronomical dome body is connected with the base through a fixing component, a driving mechanism matched with the astronomical dome body is arranged inside the base, and the astronomical dome body is arranged on the base. The fixing assembly comprises a sliding plate arranged at the bottom end of the astronomical dome body, the sliding plate is arranged in a sliding rail, and the sliding rail is arranged at the top end of the base. According to the astronomical dome, the rotating assembly is arranged, the first driving motor can drive the driving shaft to rotate, rotation of the astronomical dome body can be accurately controlled under the cooperation effect of the driving bevel gear and the driven bevel gear, and therefore fine driving of the astronomical dome body is achieved; and the astronomical dome body can be positioned more finely and sensitively.

Description

Technical Field

[0001] The utility model relates to the technical field of astronomical observation, and specifically, to a driving device for an astronomical dome. Background Art

[0002] An astronomical dome generally refers to a hemispherical structure covering an astronomical telescope. Its main functions are to protect the telescope from external environmental factors such as wind, rain, dust, etc., and also to prevent direct sunlight and ground heat radiation from interfering with observations. This structure is usually rotatable and is equipped with one or more observation holes that can be opened and closed, so that the telescope can be oriented towards different sky regions for observation.

[0003] The driving device of an astronomical dome usually includes a motor and a transmission system, which are responsible for controlling the rotation of the dome. The motor is connected to the bottom of the astronomical dome through a shaft, and uses mechanical devices such as gears or chains to transmit power to achieve the smooth rotation of the astronomical dome. When it is necessary to stop driving the astronomical dome, the power supply to the motor is first cut off. However, due to the mass and inertia of the astronomical dome, even after the motor stops working, the astronomical dome will still continue to rotate for a period of time, which will cause the astronomical dome to not stop immediately at the predetermined position, and further cause the accuracy of the telescope to align with the target to decrease, affecting the accuracy of observation data.

[0004] For the problems in the related art, no effective solution has been proposed yet. Content of the Utility Model

[0005] For the problems in the related art, the utility model proposes a driving device for an astronomical dome to overcome the above-mentioned technical problems existing in the existing related art.

[0006] Therefore, the specific technical solution adopted by the utility model is as follows:

[0007] A driving device for an astronomical dome includes an astronomical dome body. A base is provided at the bottom end of the astronomical dome body. The astronomical dome body and the base are connected by a fixing component. A driving mechanism that cooperates with the astronomical dome body is provided inside the base.

[0008] Furthermore, in order to rotate the sliding plate inside the slide rail when the astronomical dome body rotates, thereby effectively improving the stability of the entire astronomical dome body, the fixing component includes a sliding plate provided at the bottom end of the astronomical dome body. The sliding plate is arranged inside the slide rail, and the slide rail is opened at the top end of the base.

[0009] Furthermore, in order to drive the drive shaft to rotate through the first drive motor and precisely control the rotation of the astronomical dome body under the cooperation of the driving bevel gear and the driven bevel gear, thus not only realizing the fine drive of the astronomical dome body, but also enabling the astronomical dome body to achieve more precise and sensitive positioning, which is particularly important for accurately aligning stars in astronomical observations. The drive mechanism includes a rotating assembly arranged at the inner bottom of the base. A rotating shaft connected to the bottom end of the astronomical dome body is arranged at the top of the rotating assembly. A braking assembly is arranged on the circumferential outer side of the rotating assembly. The rotating assembly includes a first drive motor arranged at the inner bottom of the base. The output end of the first drive motor is provided with a drive shaft. One end of the drive shaft is provided with a support frame. The drive shaft passes through the support frame and is connected to the driving bevel gear. The driven bevel gear is arranged on the circumferential outer side of the driving bevel gear. The rotating shaft is arranged at the center position of the driven bevel gear.

[0010] Furthermore, in order to immediately brake the rotating shaft when the first drive motor stops and generate a greater braking torque, so as to more effectively control the rotation of the astronomical dome body, especially when it is necessary to quickly stop or precisely adjust the position of the astronomical dome body, and directly apply the braking assembly to the outer side of the rotating shaft, thereby reducing the reaction time of the drive system. The braking assembly includes an installation shell arranged at the top end of the support frame. A lead screw is arranged on one side inside the installation shell. One end of the lead screw is provided with a coupling. One end of the coupling is provided with a second drive motor, and the second drive motor is arranged on the outer side wall of the installation shell; a fixing plate is arranged on the outer side of the installation shell. A slider is inserted through the circumferential outer side of the lead screw. Fixing blocks are arranged on one side of the slider and the fixing plate. A braking plate matched with the rotating shaft is arranged on one side of the fixing block.

[0011] Furthermore, in order to drive the driving gear to move through the third drive motor, drive the rack to move in an arc inside the braking plate, and when the rack moves outside the braking plate and cooperates with the inner side wall of the braking plate, it can adapt to increase the contact area with the rotating shaft and adapt to the size of the rotating shaft, thereby improving the flexibility of the drive mechanism. A driving gear is arranged on one side inside the braking plate. A rack is arranged on the circumferential outer side of the driving gear, and the rack is of an arc structure. The center position of the driving gear is connected to the output end of the third drive motor, and the third drive motor is arranged on the outer side wall of the braking plate.

[0012] The beneficial effects of the present utility model are as follows:

[0013] 1. By arranging the rotating assembly, the present utility model can drive the drive shaft to rotate through the first drive motor and precisely control the rotation of the astronomical dome body under the cooperation of the driving bevel gear and the driven bevel gear, thus not only realizing the fine drive of the astronomical dome body, but also enabling the astronomical dome body to achieve more precise and sensitive positioning, which is particularly important for accurately aligning stars in astronomical observations.

[0014] 2. The utility model can immediately brake the rotating shaft when the first driving motor stops by setting the braking assembly, and generate a greater braking torque, so as to more effectively control the rotation of the astronomical dome body. Especially when it is necessary to quickly stop or precisely adjust the position of the astronomical dome body, and the braking assembly acts directly on the outside of the rotating shaft, thereby reducing the response time of the drive system and making the braking more rapid and timely. Description of the Drawings

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0016] Figure 1 is a schematic structural diagram of a driving device for an astronomical dome according to an embodiment of the present utility model;

[0017] Figure 2 is a partial cross-sectional view of a driving device for an astronomical dome according to an embodiment of the present utility model;

[0018] Figure 3 is a schematic structural diagram of a driving mechanism in a driving device for an astronomical dome according to an embodiment of the present utility model;

[0019] Figure 4 is Figure 3 a partial enlarged view of part A in

[0020] Figure 5 is a schematic structural diagram of a braking assembly in a driving device for an astronomical dome according to an embodiment of the present utility model.

[0021] In the figure:

[0022] 1. Astronomical dome body; 2. Base; 3. Fixing assembly; 301. Slide plate; 302. Slide rail; 4. Driving mechanism; 401. Rotating assembly; 4011. First driving motor; 4012. Driving shaft; 4013. Support frame; 4014. Driving bevel gear; 4015. Driven bevel gear; 402. Rotating shaft; 403. Braking assembly; 4031. Installation shell; 4032. Lead screw; 4033. Coupling; 4034. Second driving motor; 4035. Fixing plate; 4036. Third driving motor; 4037. Slide block; 4038. Fixed block; 4039. Braking plate; 40310. Driving gear; 40311. Rack; 40312. Rolling bearing. Detailed Embodiments

[0023] To further illustrate each embodiment, the present utility model provides accompanying drawings, which are a part of the disclosure of the present utility model. These drawings are mainly used to illustrate the embodiments and can cooperate with the relevant descriptions in the specification to explain the operating principle of the embodiments. With reference to these contents, those of ordinary skill in the art should be able to understand other possible implementation manners and the advantages of the present utility model. The components in the drawings are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0024] According to an embodiment of the present utility model, a driving device for an astronomical dome is provided.

[0025] Now, the present utility model will be further described in conjunction with the accompanying drawings and specific implementation manners. As Figures 1-5 shown, the driving device for an astronomical dome according to an embodiment of the present utility model includes an astronomical dome body 1. A base 2 is provided at the bottom end of the astronomical dome body 1. The astronomical dome body 1 and the base 2 are connected by a fixing component 3. A driving mechanism 4 that cooperates with the astronomical dome body 1 is provided inside the base 2.

[0026] With the above solution, the present utility model can precisely control the rotation of the astronomical dome body 1, thereby not only realizing the fine driving of the astronomical dome body 1, but also enabling the astronomical dome body 1 to achieve more precise and sensitive positioning, which is particularly important for accurately aligning with celestial bodies in astronomical observations.

[0027] It should be noted that the astronomical dome body 1 refers to a hemispherical structure covering an astronomical telescope. Its main function is to protect the telescope from external environmental factors such as wind, rain, dust, etc., and at the same time prevent the interference of direct sunlight and ground heat radiation on observations. As Figures 1-2 shown, the astronomical dome body 1 includes an observation port. The observation port can be one or more openable parts, enabling the telescope to align with different celestial bodies. These openings are usually controlled by an electromechanical system to ensure rapid and precise operation. This is prior art and will not be elaborated here.

[0028] In one embodiment, for the above fixing component 3, the fixing component 3 includes a sliding plate 301 provided at the bottom end of the astronomical dome body 1. The sliding plate 301 is arranged inside a slide rail 302, and the slide rail 302 is opened at the top end of the base 2. Thus, when the astronomical dome body 1 rotates, the sliding plate 301 rotates inside the slide rail 302, thereby effectively improving the stability of the entire astronomical dome body.

[0029] In one embodiment, for the above-mentioned driving mechanism 4, the driving mechanism 4 includes a rotating assembly 401 disposed at the inner bottom of the base 2. A rotating shaft 402 connected to the bottom end of the astronomical dome body 1 is provided at the top of the rotating assembly 401. A braking assembly 403 is disposed on the outer circumference of the rotating assembly 401. The rotating assembly 401 includes a driving motor 4011 disposed at the inner bottom of the base 2. A driving shaft 4012 is provided at the output end of the driving motor 4011. A support frame 4013 is provided at one end of the driving shaft 4012. The driving shaft 4012 passes through the support frame 4013 and is connected to a driving bevel gear 4014. A driven bevel gear 4015 is disposed on the outer circumference of the driving bevel gear 4014. A rotating shaft 402 is provided at the center position of the driven bevel gear 4015. Thus, the driving shaft 4012 can be driven to rotate by the driving motor 4011, and the rotation of the astronomical dome body 1 can be precisely controlled under the cooperation of the driving bevel gear 4014 and the driven bevel gear 4015. Thus, not only the fine driving of the astronomical dome body 1 is realized, but also the astronomical dome body 1 can achieve more precise and sensitive positioning, which is particularly important for accurately aligning stars in astronomical observations.

[0030] Specifically, the working principle of the rotating assembly 401 is as follows: The driving motor 4011 is driven by an externally connected controller. The driving shaft 4012 is driven to rotate by the driving motor 4011. The driving bevel gear 4014 is driven to rotate by the driving shaft 4012, and the driven bevel gear 4015 engaged therewith is driven to rotate by the driving bevel gear 4014. At the same time, the rotating shaft 402 is driven to rotate by the driven bevel gear, so that the rotation of the astronomical dome body 1 can be precisely controlled, and thus the fine driving of the astronomical dome body 1 is realized.

[0031] In one embodiment, for the above-mentioned braking assembly 403, the braking assembly 403 includes a mounting shell 4031 disposed at the top end of the support frame 4013. A lead screw 4032 is disposed on one side inside the mounting shell 4031. A coupling 4033 is provided at one end of the lead screw 4032. A driving motor 4034 is provided at one end of the coupling 4033, and the driving motor 4034 is disposed on the outer side wall of the mounting shell 4031. A fixing plate 4035 is provided on the outer side of the mounting shell 4031. A slider 4037 is inserted through the outer circumference of the lead screw 4032. Fixing blocks 4038 are provided on one side of the slider 4037 and on one side of the fixing plate 4035. A braking plate 4039 cooperating with the rotating shaft 402 is provided on one side of the fixing block 4038. Thus, the rotating shaft 402 can be immediately braked when the driving motor 4011 stops, and a greater braking torque is generated, so as to more effectively control the rotation of the astronomical dome body 1, especially when it is necessary to quickly stop or precisely adjust the position of the astronomical dome body 1. Moreover, the braking assembly 403 acts directly on the outer side of the rotating shaft 402, thereby reducing the reaction time of the driving system.

[0032] Specifically, the working principle of the braking assembly 403 is as follows: When the rotation of the astronomical dome body 1 stops, while turning off the driving motor 4011, the driving motor 4034 is started through an external controller. The driving motor 4034 drives the lead screw 4032 to rotate through the coupling 4033. While the lead screw 4032 rotates, it drives the slider 4037 to move. While the slider 4037 moves, it drives the fixed block 4038 located at the top of the slider 4037 to move towards the other fixed block 4038, so that one of the brake plates 4039 moves towards the other brake plate 4039 to adjust the distance between the two groups of brake plates 4039, and the rotation shaft 402 is limited by adjusting the distance between the two groups of brake plates 4039, and the rotation shaft 402 is braked by mechanical locking. This braking method directly acting on the outer side of the rotation shaft 402 can respond quickly and reduce the response time of the drive system.

[0033] Specifically, as Figure 5 shown, a number of rolling bearings 40312 are evenly arranged on the inner side wall of the brake plate 4039 located at the top of the fixed plate 4035. Thus, when the rotation shaft 402 is braked by the two groups of brake plates 4039, the number of rolling bearings 40312 is in contact with the outer circumference of the rotation shaft 402. While transmitting the braking force, it avoids the two groups of brake plates 4039 directly pressing the rotation shaft 402, thereby reducing the risk of the rotation shaft 402 being locked.

[0034] In one embodiment, for the above-mentioned brake plate 4039, a driving gear 40310 is arranged on one side inside the brake plate 4039. A rack 40311 is arranged on the outer circumference of the driving gear 40310, and the rack 40311 is of an arc structure. The center position of the driving gear 40310 is connected to the output end of the driving motor 4036, and the driving motor 4036 is arranged on the outer side wall of the brake plate 4039. Thus, when the driving motor 4036 drives the driving gear 40310 to move, it drives the rack 40311 to move in an arc inside the brake plate 4039. When the rack 40311 moves to the outside of the brake plate 4039 and is used in cooperation with the inner side wall of the brake plate 4039, it can increase the contact area with the rotation shaft 402, so that the rotation shaft 402 of different sizes can be braked, thereby improving the flexibility of the drive mechanism 4.

[0035] Specifically, the working principle of the driving mechanism 4 is as follows: The driving motor three 4036 is started through an external controller. The output shaft of the driving motor three 4036 drives the rack 40311 to move in an arc inside the brake plate 4039. When the rack 40311 moves outside the brake plate 4039 and cooperates with the inner side wall of the brake plate 4039, the contact area with the rotating shaft 402 can be increased, so that the rotating shaft 402 of different sizes can be braked.

[0036] To facilitate the understanding of the above technical solution of the present invention, the working principle or operation mode of the present invention in the actual process will be described in detail below.

[0037] In actual application, when driving the astronomical dome, first start the rotating assembly 401 (the working principle of the rotating assembly 401 is as shown above). Under the action of the rotating assembly 401, the rotation of the astronomical dome body 1 can be accurately controlled, so that not only the fine driving of the astronomical dome body 1 is realized; when the driving of the astronomical dome is stopped after the telescope position is adjusted, start the braking assembly 403. Since the braking assembly 403 (the working principle of the braking assembly 403 is as shown above) acts on the outside of the rotating shaft 402, the rotating shaft 402 can be braked immediately when the driving motor one 4011 stops, and the rotation of the astronomical dome body 1 can be controlled more effectively, thereby reducing the reaction time of the driving system.

[0038] In summary, with the above technical solution of the present invention, by setting the rotating assembly 401, the driving shaft 4012 can be driven to rotate by the driving motor one 4011, and the rotation of the astronomical dome body 1 can be accurately controlled under the cooperation of the driving bevel gear 4014 and the driven bevel gear 4015, so that not only the fine driving of the astronomical dome body 1 is realized, but also the astronomical dome body 1 can be positioned more precisely and sensitively, which is particularly important for accurately aligning stars in astronomical observations; by setting the braking assembly 403, the rotating shaft 402 can be braked immediately when the driving motor one 4011 stops, and a greater braking torque can be generated, so that the rotation of the astronomical dome body 1 can be controlled more effectively, especially when it is necessary to quickly stop or accurately adjust the position of the astronomical dome body 1, and the braking assembly 403 acts directly on the outside of the rotating shaft 402, thereby reducing the reaction time of the driving system and making the braking more rapid and timely.

[0039] In the present utility model, unless otherwise clearly stipulated and defined, terms such as "installation", "setting", "connection", "fixation", "swivel connection" shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. Unless otherwise clearly defined, for those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0040] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A driving device for an astronomical dome, comprising an astronomical dome body (1), characterized in that, A base (2) is provided at the bottom end of the astronomical dome body (1), and the astronomical dome body (1) is connected to the base (2) through a fixing component (3). A driving mechanism (4) matching the astronomical dome body (1) is provided inside the base (2).

2. The driving device of an astronomical dome according to claim 1, characterized in that, The fixing component (3) includes a sliding plate (301) provided at the bottom end of the astronomical dome body (1). The sliding plate (301) is arranged inside a slide rail (302), and the slide rail (302) is opened at the top end of the base (2).

3. The driving device of an astronomical dome according to claim 2, characterized in that, The driving mechanism (4) includes a rotating component (401) provided at the inner bottom of the base (2). A rotating shaft (402) connected to the bottom end of the astronomical dome body (1) is provided at the top of the rotating component (401). A braking component (403) is provided on the outer circumference of the rotating component (401).

4. The driving device of an astronomical dome according to claim 3, characterized in that, The rotating component (401) includes a driving motor one (4011) provided at the inner bottom of the base (2). A driving shaft (4012) is provided at the output end of the driving motor one (4011). A support frame (4013) is provided at one end of the driving shaft (4012). The driving shaft (4012) penetrates through the support frame (4013) and is connected to a driving bevel gear (4014). A driven bevel gear (4015) is provided on the outer circumference of the driving bevel gear (4014). The rotating shaft (402) is provided at the center position of the driven bevel gear (4015).

5. The driving device of an astronomical dome according to claim 4, characterized in that, The braking component (403) includes a mounting shell (4031) provided at the top end of the support frame (4013). A lead screw (4032) is provided on one side inside the mounting shell (4031). A coupling (4033) is provided at one end of the lead screw (4032). A driving motor two (4034) is provided at one end of the coupling (4033), and the driving motor two (4034) is provided on the outer side wall of the mounting shell (4031). A fixing plate (4035) is provided on the outer side of the mounting shell (4031).

6. The drive device of an astronomical dome according to claim 5, characterized in that, A slider (4037) is inserted through the outer circumference of the lead screw (4032). Fixing blocks (4038) are provided on one side of the slider (4037) and the fixing plate (4035). A braking plate (4039) matching the rotating shaft (402) is provided on one side of the fixing block (4038).

7. The driving device of an astronomical dome according to claim 6, characterized in that, A driving gear (40310) is provided on one side inside the braking plate (4039). A rack (40311) is provided on the outer circumference of the driving gear (40310), and the rack (40311) is of an arc structure. The center position of the driving gear (40310) is connected to the output end of a driving motor three (4036), and the driving motor three (4036) is provided on the outer side wall of the braking plate (4039).

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