CN217811864U - Suspension open-close type astronomical dome - Google Patents
Suspension open-close type astronomical dome Download PDFInfo
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- CN217811864U CN217811864U CN202222174639.4U CN202222174639U CN217811864U CN 217811864 U CN217811864 U CN 217811864U CN 202222174639 U CN202222174639 U CN 202222174639U CN 217811864 U CN217811864 U CN 217811864U
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- waterproof groove
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Abstract
The utility model relates to the technical field of astronomical equipment, in particular to a suspended opening-closing type astronomical dome, which comprises a left side skylight and a right side skylight which are mutually attached to form a hemispherical structure, and a waterproof groove is arranged at the connecting position between the left side skylight and the right side skylight; according to the suspension opening and closing type astronomical dome, the first waterproof groove and the second waterproof groove are arranged, after the opening and closing translational skylight of the suspension opening and closing type astronomical dome is closed, the gap between the skylight on the left side and the skylight on the right side is smaller than 3mm, the built-in waterproof grooves are arranged at the splicing parts of the skylights on the two sides, the skylight on the left side and the skylight on the right side are connected in a positive and negative mode, the rainwater weather is enabled to be water-proof, the space between the sphere and the skylights does not need to be specially enlarged to reduce the physical deformation error caused by repeated crawling of the dead weight of the skylights on the sphere, the skylight and the sphere are enabled not to be interfered and collided after being assembled, the structure is more compact, and the waterproof effect is better.
Description
Technical Field
The utility model relates to an astronomical equipment technical field specifically is suspension open-close type astronomical calotte.
Background
With the widespread use of astronomical popular science equipment such as astronomical telescopes, astronomical image projectors and the like in primary and secondary schools in various regions, the astronomical dome matched with the astronomical popular science equipment also gets more and more attention from people;
the main installation purpose of the astronomical dome is to meet the functional requirements of internal astronomical equipment on the astronomical dome, and the astronomical dome is generally divided into three types from the application function: one type is a traditional common movable astronomical dome for placing an astronomical telescope, and is mainly used for the instant observation of astronomical phenomena; one is a fixed astronomical dome for placing related image equipment such as a planetarium projector and the like, and is mainly used for simulating a globus top and projecting various planetarium natural landscapes on the inner wall of the globus top; the last type is a combination of the first two types, also called multifunctional astronomical dome, which can meet the real-time observation of the actual starry sky and realize the high-definition projection of the simulated starry sky after being built, and is also the most widely used astronomical dome in the current market;
according to the market application trend, the background technology of a third kind of multifunctional astronomical dome is specifically explained in the following, chinese patent No. 02221535.2 discloses an astronomical multifunctional dome, a skylight of the dome is of a traditional externally-covered crawling structure, when the multifunctional astronomical dome is manufactured, a gap with the width of 1.6 m and more than 90 degrees is formed in a sphere, a crawling skylight is installed above the gap, when the skylight is closed, the surface of the gap is covered by the skylight, when the skylight is required to be opened, the externally-covered skylight crawls to the back of the gap along a track, the skylight has the advantages of simple structure and low manufacturing cost, but the shortcoming is that the skylight needs to crawl on the spherical surface of the astronomical dome, so that the phenomena of collision, blocking and the like in the crawling process are caused by accumulated deformation errors caused in the manufacturing, transportation and installation processes, the skylight is usually raised, so that the gap between the skylight and the spherical surface of the dome is increased, the interference possibility in the skylight operation process is reduced, but the rain-proof effect is also reduced for a long time and rain leakage is easy to occur along the day;
in addition, chinese patent No. ZL201620184579.6 discloses a petal-type multifunctional astronomical dome structure, which divides an astronomical dome into an upper part and a lower part, wherein the lower part is a chassis ring beam below the hemisphere of the astronomical dome, the upper part is a petal skylight capable of being combined into a hemisphere, and all the petal skylights are obtained by uniformly dividing (three or more) an upper hemisphere, wherein each petal skylight is called a petal skylight, each petal skylight of the structure is controlled to be opened and closed by two pairs of ball screw elevators, and the skylight structure has the advantages that the skylight and the sphere are integrated after the skylight is closed, and the inner wall of the astronomical dome can be connected with the inner wall of the skylight without fall, thereby being beneficial to astronomical projection, and having the disadvantages of complicated skylight transmission structure, difficult debugging, long installation period and high manufacturing cost;
therefore, a novel suspension opening and closing type astronomical dome is provided to solve the problems that the device is complex in structure, high in manufacturing cost and difficult to control in sealing performance and stability.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a suspension open-close type astronomical calotte to solve the difficult problem of control of structure complicacy, high in manufacturing cost, leakproofness, stability that provide among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the suspended opening-closing type astronomical dome comprises a chassis ring beam, a left side skylight and a right side skylight, wherein the left side skylight and the right side skylight are both arranged above the chassis ring beam;
the left skylight and the right skylight are mutually attached to form a hemispherical structure, and a waterproof groove is formed in the connecting position of the left skylight and the right skylight;
one side of the left skylight is provided with a first waterproof groove, one side of the right skylight is provided with a second waterproof groove, and the first waterproof groove and the second waterproof groove are mutually embedded;
the top of the chassis ring beam also comprises a bull's eye universal bearing device and a skylight transmission device.
Preferably, the first waterproof groove is in a shape like 20866, the second waterproof groove is in a shape like U, and the first waterproof groove and the second waterproof groove are mutually attached to form a sealing structure.
Preferably, the upper surface mounting of chassis circle roof beam has the universal load bearing device of bull's eye, the universal load bearing device of bull's eye includes: the device comprises bullseye universal bearing wheels and linear driving guide rails, wherein the number of the bullseye universal bearing wheels is six, and the number of the linear driving guide rails is four;
the bull-eye universal bearing wheel comprises a bearing wheel base and a universal ball embedded in the center of the inner part of the bearing wheel base, the universal ball is rotatably connected with the bearing wheel base, and the left skylight and the right skylight are stably placed on the top of the bull-eye universal bearing wheel;
the linear driving guide rail comprises a base guide rail and guide rail sliding blocks, the base guide rail is fixedly installed at the top of the base ring beam, the guide rail sliding blocks are connected to the outer side of the base guide rail in a sliding mode, the base guide rail is connected with the guide rail sliding blocks in a sliding mode, the left skylight is fixedly installed on the two guide rail sliding blocks on the left side of the top of the base ring beam, and the right skylight is fixedly installed on the two guide rail sliding blocks on the right side of the top of the base ring beam.
Preferably, the sunroof gear comprises: the driving motor is fixedly installed on the side face of the chassis ring beam, the left-handed and right-handed bidirectional speed reducer and the driving motor are fixed into a whole, two lead screws are installed on the left side and the right side of the left-handed and right-handed bidirectional speed reducer respectively, the two lead screws are in transmission connection with the driving motor through gears, the left-handed nut is in threaded connection with the lead screw on the left side, and the right-handed nut is in threaded connection with the lead screw on the right side;
the left-handed nut is fixedly connected with the left skylight, and the right-handed nut is fixedly connected with the right skylight.
Preferably, the guide rail sliding blocks are arranged between the inner framework and the outer framework of the left skylight and the right skylight.
Preferably, U-shaped open grooves are formed in the connecting positions of the guide rail sliding blocks, the left skylight and the right skylight.
Preferably, the driving motor is installed between the inner-layer framework and the outer-layer framework of the chassis ring beam, and an output shaft of the driving motor is located on a center seam tangent plane formed after the left skylight and the right skylight are closed.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the suspended open-close type astronomical dome is provided with a first waterproof groove and a second waterproof groove, after an open-close translational skylight of the suspended open-close type astronomical dome is closed, a gap between a left skylight and a right skylight is smaller than 3mm, and the splicing parts of the two side skylights are provided with the built-in waterproof grooves which are respectively arranged in a positive mode and a negative mode, so that rainwater weather can be ensured to be prevented from dripping, and compared with the prior art (Chinese patent No. 02221535.2, the invention creates the name of an astronomical multifunctional dome), the gap between a sphere and the skylights does not need to be specially enlarged to reduce the physical deformation error caused by repeated crawling of the dead weight of the skylights on the sphere so as to ensure that the skylights and the sphere are not interfered and collided after being assembled, so that the structure is more compact, and the waterproof effect is better.
2. Secondly, this kind of suspension open-close type astronomical calotte through being provided with bull's eye universal bearing wheel and linear drive guide rail, when the open-close translation formula skylight of suspension open-close type astronomical calotte was opened, left side skylight and right side skylight are under driving motor's drive, and the skylight basal plane is little with the universal ball contact surface of bull's eye universal bearing wheel, and the running resistance is little, so transmission efficiency is high, has linear drive guide rail again to pull the direction, and the transmission is steady reliable.
3. Secondly, compared with the prior art (Chinese patent No. ZL201620184579.6, the utility model name: petal type multifunctional astronomical dome), the suspension open-close type astronomical dome can be opened and closed only by one set of skylight transmission device through the arrangement of the driving motor, the left-handed and right-handed bidirectional speed reducer, the left-handed nut and the right-handed nut, the structure is compact, the overall cost is reduced, the number of seams between the skylights is reduced, and the sealing and the water proofing are facilitated.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the arrangement structure of the chassis ring beam and the bull eye universal bearing device of the present invention;
FIG. 3 is a schematic view of the left and right side skylights of the present invention;
fig. 4 is a schematic structural view of the waterproof groove of the present invention;
fig. 5 is a schematic structural view of the sunroof transmission of the present invention.
In the figure: a chassis ring beam 1;
2-1 of a left skylight, 2-2 of a right skylight, 2-11 of a first waterproof groove and 2-22 of a second waterproof groove;
3-1 parts of bullseye universal bearing wheels;
a linear driving guide rail 3-2, a guide rail 3-21 and a base guide rail 3-22;
the device comprises a driving motor 4-1, a left-right rotation bidirectional speed reducer 4-2, a left-handed nut 4-3 and a right-handed nut 4-4.
Detailed Description
Referring to fig. 1 to 2, in the embodiment of the present invention;
example 1: a suspension opening-closing type astronomical dome comprises a chassis ring beam 1, a left skylight 2-1 and a right skylight 2-2, wherein the left skylight 2-1 and the right skylight 2-2 are arranged above the chassis ring beam 1;
the left skylight 2-1 and the right skylight 2-2 are mutually attached to form a hemispherical structure, and a waterproof groove is formed in the connecting position between the left skylight 2-1 and the right skylight 2-2;
one side of the left skylight 2-1 is provided with a first waterproof groove 2-11, one side of the right skylight 2-2 is provided with a second waterproof groove 2-22, and the first waterproof groove 2-11 and the second waterproof groove 2-22 are mutually embedded;
the top of the chassis ring beam 1 also comprises a bull's eye universal bearing device and a skylight transmission device;
the left skylight 2-1 and the right skylight 2-2 form a hemispherical structure when being closed, a first waterproof groove 2-11 and a second waterproof groove 2-22 arranged on a middle seam between the left skylight 2-1 and the right skylight 2-2 are mutually buckled, the first waterproof groove 2-11 and a vertical part on the second waterproof groove 2-22 are mutually jointed to form a water blocking surface, and resistance for blocking moisture permeation is generated by utilizing pressure during buckling, so that a sealing effect is achieved, and a waterproof purpose is achieved.
Example 2: referring to the drawings 2-5 of the specification, embodiment 2 differs from embodiment 1 in that:
the first waterproof groove 2-11 is in a shape like ' 20866, the second waterproof groove 2-22 is in a shape like ' U ', and the first waterproof groove 2-11 and the second waterproof groove 2-22 are mutually jointed to form a sealing structure;
the vertical parts of the first waterproof grooves 2-11 and the second waterproof grooves 2-22 are mutually attached, and meanwhile, a closed cavity is formed between the first waterproof grooves 2-11 and the second waterproof grooves 2-22, so that the time and path for water permeation are prolonged, and the waterproof effect is further enhanced;
the upper surface mounting of chassis collar tie beam 1 has the universal load bearing device of bullseye, and the universal load bearing device of bullseye includes: the device comprises bullseye universal bearing wheels 3-1 and linear driving guide rails 3-2, wherein the number of the bullseye universal bearing wheels 3-1 is six, and the number of the linear driving guide rails 3-2 is four;
the bull's eye universal bearing wheel 3-1 comprises a bearing wheel base and a universal ball embedded in the center of the inside of the bearing wheel base, the universal ball is rotatably connected with the bearing wheel base, and the left skylight 2-1 and the right skylight 2-2 are both stably placed on the top of the bull's eye universal bearing wheel 3-1;
the linear driving guide rail 3-2 comprises a base guide rail 3-22 and guide rail sliding blocks 3-21, the base guide rail 3-22 is fixedly arranged at the top of the base ring beam 1, the guide rail sliding blocks 3-21 are connected to the outer sides of the base guide rail 3-22 in a sliding manner, the base guide rail 3-22 is connected with the guide rail sliding blocks 3-21 in a sliding manner, the left skylight 2-1 is fixedly arranged on the two guide rail sliding blocks 3-21 on the left side of the top of the base ring beam 1, and the right skylight 2-2 is fixedly arranged on the two guide rail sliding blocks 3-21 on the right side of the top of the base ring beam 1;
the universal ball bears the weight of the left skylight 2-1 and the right skylight 2-2, so that the left skylight 2-2 and the right skylight 2-2 are suspended on the base ring beam 1, the left skylight 2-1 and the right skylight 2-2 are in point contact with the universal ball, the contact area is small, the running resistance of the universal ball is small, the moving efficiency is good, and the stability and the smoothness of the left skylight 2-1 during sliding are ensured;
the guide rail sliding blocks 3-21 can only slide along the horizontal direction relative to the base guide rails 3-22, the opening of the left skylight 2-1 is guided through the matching of the guide rail sliding blocks 3-21 and the base guide rails 3-22, and the left skylight 2-1 can move more stably and smoothly when moving horizontally;
similarly, the right skylight 2-2 can move in the same way;
under the effective guide of the base guide rails 3-22, the left skylight 2-1 and the right skylight 2-2 can be ensured to be always positioned on a preset track to run, and the stroke deviation caused by the acquired factors is corrected by adjusting the base guide rails 3-22, so that the left skylight 2-1 and the right skylight 2-2 of the device are more reliable to open and close;
the sunroof drive device includes: the driving mechanism comprises a driving motor 4-1, a left-handed and right-handed bidirectional speed reducer 4-2, a left-handed nut 4-3 and a right-handed nut 4-4, wherein the driving motor 4-1 is fixedly arranged on the side surface of a chassis ring beam 1, the left-handed and right-handed bidirectional speed reducer 4-2 and the driving motor 4-1 are fixed into a whole, two lead screws are respectively arranged on the left side and the right side of the left-handed and right-handed bidirectional speed reducer 4-2, the two lead screws are in transmission connection with the driving motor 4-1 through gears, the left-handed nut 4-3 is in threaded connection with the lead screw on the left side, and the right-handed nut is in threaded connection with the lead screw on the right side;
the left-handed nut 4-3 is fixedly connected with the left skylight 2-1, and the right-handed nut 4-4 is fixedly connected with the right skylight 2-2;
the driving motor 4-1 is a power source for opening and closing the opening and closing translation type skylight, is hidden and fixedly arranged between an inner framework and an outer framework of the chassis ring beam 1, and is arranged on a middle seam tangent plane M-M after the left skylight 2-1 and the right skylight 2-2 are closed;
the left-right rotating bidirectional speed reducer 4-2 and the driving motor 4-1 are integrated, output screw rods with different rotating directions are arranged on two sides of the left-right rotating bidirectional speed reducer 4-2 and extend to the middle of inner and outer frameworks of the left skylight 2-1 and the right skylight 2-2, and a left-hand nut 4-3 and a right-hand nut 4-4 are respectively assembled on the left-right output screw rods and are hidden and fixedly installed between the inner and outer frameworks of the left skylight 2-1 and the right skylight 2-2;
when the driving motor 4-1 rotates forward and backward, the left-right rotation bidirectional speed reducer 4-2 converts the rotation motion into the linear reciprocating motion of the left-handed nut 4-3 and the right-handed nut 4-4, so that the opening and closing processes of the left skylight 2-1 and the right skylight 2-2 of the opening and closing translation type skylight are formed;
the guide rail sliding blocks 3-21 are all arranged between the inner framework and the outer framework of the left skylight 2-1 and the right skylight 2-2;
the guide rail sliding blocks 3-21 are designed in a hidden mode, so that the invasion situation of foreign matters is reduced, and the sliding smoothness of the guide rail sliding blocks 3-21 and the base guide rails 3-22 is ensured, so that the opening and closing stability of the left skylight 2-1 and the right skylight 2-2 is ensured;
u-shaped open grooves are formed in the connecting positions of the guide rail sliding blocks 3-21 and the left skylight 2-1 and the right skylight 2-2;
when the guide rail sliding block 3-21 and the left skylight 2-1 slide on the base guide rail 3-22, the u-shaped open slot can effectively avoid the installation position of the base guide rail 3-22 so as to prevent the interference and collision during the operation of the two and ensure that the transmission structure is more stable;
the driving motor 4-1 is arranged between the inner-layer framework and the outer-layer framework of the chassis ring beam 1, and the output shaft of the driving motor 4-1 is positioned on a centre joint tangent plane formed after the left skylight 2-1 and the right skylight 2-2 are closed;
through the semi-hidden design of the driving motor 4-1, the whole projection area of the device is further reduced, the whole device is more compact, the installation is convenient, the condition of interference by foreign matters is reduced, and the operation is more stable;
wherein a-a is a theoretical running track line of the opening and closing translation type skylight;
b-b are central axes of the base guide rails;
M-M is a middle seam tangent plane of the opening and closing translation type skylight.
Claims (7)
1. The suspension open-close type astronomical dome comprises a chassis ring beam (1), a left side skylight (2-1) and a right side skylight (2-2), wherein the left side skylight (2-1) and the right side skylight (2-2) are arranged above the chassis ring beam (1);
the skylight is characterized in that the left skylight (2-1) and the right skylight (2-2) are mutually attached to form a hemispherical structure, and a waterproof groove is formed in the connecting position between the left skylight (2-1) and the right skylight (2-2);
one side of the left skylight (2-1) is provided with a first waterproof groove (2-11), one side of the right skylight (2-2) is provided with a second waterproof groove (2-22), and the first waterproof groove (2-11) and the second waterproof groove (2-22) are mutually embedded;
the top of the chassis ring beam (1) also comprises a bullseye universal bearing device and a skylight transmission device.
2. A suspended retractable astronomical dome according to claim 1, wherein: the first waterproof groove (2-11) is in a shape like ' 20866, the second waterproof groove (2-22) is in a shape like ' U ', and the first waterproof groove (2-11) and the second waterproof groove (2-22) are mutually attached to form a sealing structure.
3. A suspended retractable astronomical dome according to claim 1, wherein: the upper surface mounting of chassis circle roof beam (1) has the universal load bearing device of bull's eye, the universal load bearing device of bull's eye includes: the wheel-type track is characterized by comprising bullseye universal bearing wheels (3-1) and linear driving guide rails (3-2), wherein the number of the bullseye universal bearing wheels (3-1) is six, and the number of the linear driving guide rails (3-2) is four;
the bull's eye universal bearing wheel (3-1) comprises a bearing wheel base and a universal ball embedded in the center of the inside of the bearing wheel base, the universal ball is rotatably connected with the bearing wheel base, and the left skylight (2-1) and the right skylight (2-2) are stably placed on the top of the bull's eye universal bearing wheel (3-1);
the linear driving guide rail (3-2) comprises a base guide rail (3-22) and guide rail sliding blocks (3-21), the base guide rail (3-22) is fixedly installed at the top of the chassis ring beam (1), the guide rail sliding blocks (3-21) are connected to the outer sides of the base guide rail (3-22) in a sliding mode, the base guide rail (3-22) is connected with the guide rail sliding blocks (3-21) in a sliding mode, the left side skylight (2-1) is fixedly installed on the two guide rail sliding blocks (3-21) on the left side of the top of the chassis ring beam (1), and the right side skylight (2-2) is fixedly installed on the two guide rail sliding blocks (3-21) on the right side of the top of the chassis ring beam (1).
4. The suspended retractable astronomical dome of claim 1 wherein: the sunroof gear includes: the chassis comprises a driving motor (4-1), a left-right rotation bidirectional speed reducer (4-2), a left-handed nut (4-3) and a right-handed nut (4-4), wherein the driving motor (4-1) is fixedly arranged on the side surface of a chassis ring beam (1), the left-handed rotation bidirectional speed reducer (4-2) and the driving motor (4-1) are fixed into a whole, two screw rods are respectively arranged on the left side and the right side of the left-handed rotation bidirectional speed reducer (4-2), the two screw rods are in transmission connection with the driving motor (4-1) through gears, the left-handed nut (4-3) is in threaded connection with the screw rod on the left side, and the right-handed nut is in threaded connection with the screw rod on the right side;
the left-handed nut (4-3) is fixedly connected with the left skylight (2-1), and the right-handed nut (4-4) is fixedly connected with the right skylight (2-2).
5. A suspended retractable astronomical dome according to claim 3, wherein: the guide rail sliding blocks (3-21) are all arranged between the inner framework and the outer framework of the left skylight (2-1) and the right skylight (2-2).
6. A suspended retractable astronomical dome according to claim 5, wherein: u-shaped open grooves are formed in the connecting positions of the guide rail sliding blocks (3-21), the left skylight (2-1) and the right skylight (2-2).
7. A suspended retractable astronomical dome according to claim 4, wherein: the driving motor (4-1) is installed between the inner layer framework and the outer layer framework of the chassis ring beam (1), and the output shaft of the driving motor (4-1) is located on a middle seam tangent plane formed after the left skylight (2-1) and the right skylight (2-2) are closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222174639.4U CN217811864U (en) | 2022-08-17 | 2022-08-17 | Suspension open-close type astronomical dome |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222174639.4U CN217811864U (en) | 2022-08-17 | 2022-08-17 | Suspension open-close type astronomical dome |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217811864U true CN217811864U (en) | 2022-11-15 |
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ID=83976545
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222174639.4U Active CN217811864U (en) | 2022-08-17 | 2022-08-17 | Suspension open-close type astronomical dome |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217811864U (en) |
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2022
- 2022-08-17 CN CN202222174639.4U patent/CN217811864U/en active Active
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Inventor after: Shan Xuedong Inventor after: Wu Heng Inventor before: Shan Xuedong |
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| CB03 | Change of inventor or designer information |