CN115071989A - Small-size two-frame airborne photoelectric pod structure with light weight design - Google Patents
Small-size two-frame airborne photoelectric pod structure with light weight design Download PDFInfo
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- CN115071989A CN115071989A CN202210748058.9A CN202210748058A CN115071989A CN 115071989 A CN115071989 A CN 115071989A CN 202210748058 A CN202210748058 A CN 202210748058A CN 115071989 A CN115071989 A CN 115071989A
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- spherical shell
- frame
- rotating shaft
- shaft system
- wedge
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- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 230000005693 optoelectronics Effects 0.000 claims 3
- 239000000758 substrate Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000737 Duralumin Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Navigation (AREA)
Abstract
The invention relates to a small-sized two-frame airborne photoelectric pod structure with a light weight design.A pitching frame cancels a traditional middle spherical shell, adopts a two-spherical-shell structure, a left rotating shaft system and a right rotating shaft system are designed on an azimuth frame and are connected through a substrate, and a rear spherical shell is installed with the left rotating shaft system and the right rotating shaft system through the matching of a wedge-shaped groove and the wedge-shaped structure, so that the rear spherical shell can be limited in three directions; meanwhile, the structure is easier to process, the processing cost and the processing period are greatly reduced compared with the existing middle spherical shell, and the spherical shell has the advantages of stable performance and reliable structure and has good application prospect.
Description
Technical Field
The invention relates to the field of airborne electronic equipment, in particular to a small-sized two-frame airborne photoelectric pod structure with a light weight design.
Background
The structure of the two-frame airborne photoelectric pod consists of an azimuth frame and a pitching frame. The pitching frame structural part of the existing airborne photoelectric pod consists of a front spherical shell, a middle spherical shell and a rear spherical shell; as shown in figure 1, the structure takes the middle spherical shell as a bearing part which is fixedly connected with the left shaft system and the right shaft system, plays important roles of transmitting the torque of the motor, bearing the weight of the inner frame and the like, and meets the requirements of strength and rigidity; meanwhile, the pitch motor and the pitch angle measuring device are required to be installed on the middle spherical shell, and the size precision is high during mechanical processing; when selecting the material, the metal materials with better mechanical property such as duralumin, magnesium-aluminum alloy and the like are generally selected.
The existing pod structure has the defects that the middle spherical shell is large in size and complex in structure, so that the middle spherical shell is not deformed during processing, and the thickness of a part substrate cannot be too small; the weight of the middle spherical shell designed in the way is larger, and the weight of the corresponding airborne photoelectric pod is also larger, so that the light weight level of airborne equipment is influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a small-sized two-frame airborne photoelectric pod structure with a light weight design, changes the traditional pitching frame structure, cancels a middle spherical shell, only adopts a front spherical shell and a rear spherical shell, effectively solves the problem of larger weight of the middle spherical shell adopted by the existing pitching frame, and can realize the light weight of the airborne photoelectric pod.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a two small-size frame machine-borne photoelectricity nacelle structures of lightweight design, includes position frame and every single move frame, the position frame is installed on the nacelle mount pad, the position frame is Y-shaped structure, designs left rotation axis system and right rotation axis system respectively on the position frame that lies in the opening both sides, through the substrate connection between the left and right rotation axis system, the every single move frame comprises preceding spherical shell and back spherical shell, be provided with the wedge structure on left rotation axis system, the right rotation axis system respectively, be provided with the wedge groove that corresponds on the back spherical shell, the back spherical shell passes through the cooperation direct mount of wedge groove and wedge structure is on left and right rotation axis system and realize spacingly, preceding spherical shell passes through the screw connection with the back spherical shell and constitutes the cabin body together.
Further, the wedge-shaped structures are arranged on the inner sides of the left rotating shaft system and the right rotating shaft system.
Further, the front spherical shell and the rear spherical shell are combined and then positioned inside the opening of the fork-shaped structure.
Further, the front spherical shell and the rear spherical shell are made of carbon fibers.
Furthermore, a pitching motor and a pitching angle measuring device are respectively arranged on the left rotating shaft system and the right rotating shaft system.
Further, the azimuth frame is capable of 360 ° rotation in the horizontal direction.
Further, the tilt frame is capable of angular rotation in the tilt direction relative to the azimuth frame.
Has the advantages that: according to the small-sized two-frame airborne photoelectric pod, the lightweight design is carried out, the pitching frame cancels the traditional middle spherical shell, the two-spherical-shell structure is adopted, the rear spherical shell is positioned through the matching of the wedge-shaped groove and the wedge-shaped structure, the whole structure can achieve the purpose of lightweight design, the weight of the airborne two-frame platform can reach the lightweight level, and the tactical technical index of a product is greatly improved; meanwhile, the structure is easier to process, the processing cost and the processing period are greatly reduced compared with the existing middle spherical shell, and tests show that the structure has stable performance and reliable structure and has good application prospect.
Drawings
FIG. 1 is a prior art airborne photovoltaic pod pitch frame structure;
FIG. 2 is a front view of the orientation frame of the present invention;
FIG. 3 is a schematic front view of the substrate of FIG. 2 with the substrate added;
FIG. 4 is a perspective view of an orientation frame of the present invention;
FIG. 5 is a schematic diagram of the rear spherical shell structure of the present invention;
fig. 6 is a schematic view of an assembly structure of the front and rear spherical shells and the orientation frame.
Reference numerals: 1. the spherical shell comprises a front spherical shell, a middle spherical shell, a rear spherical shell, a left rotating shaft system, a right rotating shaft system, a base plate, a wedge-shaped structure and a wedge-shaped groove, wherein the front spherical shell is 2, the middle spherical shell is 3, the rear spherical shell is 4, the left rotating shaft system is 5, the right rotating shaft system is 6, the base plate is 7, and the wedge-shaped structure is 8.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples.
Fig. 1 shows a pitch frame structure of a common two-frame airborne photoelectric pod in the prior art, fig. 1 (a) is a schematic view of the overall structure of the pitch frame, fig. 1 (b) is a schematic view of the structure of a spherical shell in fig. 1 (a), the pitch frame structure comprises a front spherical shell 1, a middle spherical shell 1 and a rear spherical shell 3, wherein a middle ball 2 is used as a bearing part, the requirements on material selection and processing precision are strict, and the pitch frame structure has the defects of large size, complex structure and heavy weight.
The small-sized two-frame airborne photoelectric pod structure with the light weight design comprises an azimuth frame and a pitching frame, as shown in figures 2-3, the azimuth frame is installed on a pod installation seat, an azimuth motor and an azimuth encoder are installed on the azimuth frame, the pod installation seat can rotate for 360 degrees relative to the azimuth frame, the azimuth frame is of a fork-shaped structure, and a left rotating shaft system 4 and a right rotating shaft system 5 are respectively designed on the azimuth frames positioned on two sides of an opening.
Specifically, the left and right rotating shaft systems 4 and 5 are respectively provided with a pitching motor and a pitching angle measuring device, and are connected through a substrate 6.
The pitching frame of the invention cancels a middle spherical shell, and consists of a front spherical shell 1 and a rear spherical shell 3; as shown in fig. 4, the left rotating shaft system 4 and the right rotating shaft system 5 are respectively provided with a wedge-shaped structure 7, the wedge-shaped structures 7 are formed by the left rotating shaft system and the right rotating shaft system protruding outward in the radial direction, as shown in fig. 5, the left side and the right side of the rear spherical shell 3 are both provided with corresponding wedge-shaped grooves 8, the rear spherical shell 3 is directly installed on the left rotating shaft system 5 and the right rotating shaft system 5 through the matching of the wedge-shaped grooves 8 and the wedge-shaped structures 7, the assembling relationship is as shown in fig. 6, during the assembling, the wedge-shaped grooves 8 on the rear spherical shell 3 are aligned with the wedge-shaped structures 7 on the left rotating shaft system 5 and the right rotating shaft system 5 to be inserted in place, and the rear spherical shell 3 is fixed in the front-back, left-right, and up-down directions to realize the limiting through the matching of the wedge-shaped grooves 8 and the wedge-shaped structures 7; the rear spherical shell 3 is arranged on the left and right rotating shaft systems 5, and the front spherical shell 1 and the rear spherical shell 3 are connected together through screws to form a cabin body.
The front spherical shell 1 and the rear spherical shell 3 are respectively provided with an arc-shaped groove for avoiding a rotating shaft system, the wedge-shaped structure 7 is arranged on the inner sides of the left rotating shaft system and the right rotating shaft system 5, the front spherical shell 1 and the rear spherical shell 3 are combined and then positioned in the opening of the fork-shaped structure, and under the driving of the left rotating shaft system and the right rotating shaft system, a pitching frame consisting of the front spherical shell 1 and the rear spherical shell 3 can rotate in a pitching angle relative to the azimuth frame on the inner side of the fork-shaped structure.
The invention provides a key technology for lightweight design of a two-frame airborne photoelectric pod, which comprises the following steps: a middle spherical shell is eliminated, a left rotating shaft system and a right rotating shaft system are designed, and a pitching motor and a pitching angle measuring device are arranged on the left rotating shaft system 5 and the right rotating shaft system 5; a substrate 6 is designed to be connected with the left and right rotating shafting 5 to replace a middle spherical shell; the left and right rotating shaft systems 5 are respectively provided with a wedge-shaped structure 7, and wedge-shaped grooves 8 are arranged at corresponding matching positions on the rear spherical shell 3. During assembly, the wedge-shaped groove 8 on the rear spherical shell 3 is matched with the wedge-shaped structure 7 of the rotating shaft system, so that the three directions of the spherical shell are fixed, and the limiting is realized. The middle spherical shell is eliminated, the front spherical shell and the rear spherical shell 3 of the structure can be made of carbon fiber and other composite materials, and the whole structure achieves lightweight design.
The pod pitching frame provided by the invention has the advantages that the middle spherical shell is omitted, and the front spherical shell 3 and the rear spherical shell 3 can be made of carbon fiber and other composite materials, so that the whole structure achieves a lightweight design, and the tactical technical indexes of products are greatly improved; meanwhile, the structure is easier to process, and the processing cost and the processing period are greatly reduced compared with the existing middle spherical shell; the product has stable performance and reliable structure in ground tests and air-borne flight tests, is unanimously commented and has good use value.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A small-sized two-frame airborne photoelectric pod structure with light weight design comprises an azimuth frame and a pitching frame, it is characterized in that the azimuth frame is arranged on the pod mounting seat, the azimuth frame is of a fork-shaped structure, a left rotating shaft system (4) and a right rotating shaft system (5) are respectively designed on the azimuth frames positioned at the two sides of the opening, the left rotating shaft system and the right rotating shaft system are connected through a base plate (6), the pitching frame consists of a front spherical shell (1) and a rear spherical shell (3), the left rotating shaft system (4) and the right rotating shaft system (5) are respectively provided with a wedge-shaped structure (7), the rear spherical shell (3) is provided with a corresponding wedge-shaped groove (8), the rear spherical shell (3) is directly arranged on the left and right rotating shaft systems through the matching of the wedge-shaped groove (8) and the wedge-shaped structure (7) and realizes the limit, the front spherical shell (1) and the rear spherical shell (3) are connected together through screws to form a cabin body.
2. A small two-frame airborne optoelectronic pod structure with light weight design according to claim 1, characterized in that the wedge-shaped structure (7) is arranged inside the left and right rotating shafting.
3. The small-sized two-frame airborne photoelectric pod structure with light weight design according to claim 2, characterized in that the front spherical shell (1) and the rear spherical shell (3) are combined and then positioned in the opening of the fork-shaped structure.
4. A light-weight designed small two-frame airborne photoelectric pod structure as claimed in claim 1, characterized in that the material of the front spherical shell (1) and the material of the rear spherical shell (3) are both selected from carbon fiber.
5. The small-sized two-frame airborne photoelectric pod structure with light weight design as claimed in claim 1, characterized in that a pitching motor and a pitching angle measuring device are respectively installed on the left and right rotating shafting.
6. The light-weight small two-frame airborne optoelectronic pod structure of claim 5, wherein the orientation frame is capable of 360 ° rotation in a horizontal direction.
7. The small two-frame airborne optoelectronic pod structure of light weight design according to claim 6, characterized in that the pitch frame is capable of rotating in a pitch direction at an angle relative to the azimuth frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210748058.9A CN115071989A (en) | 2022-06-29 | 2022-06-29 | Small-size two-frame airborne photoelectric pod structure with light weight design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210748058.9A CN115071989A (en) | 2022-06-29 | 2022-06-29 | Small-size two-frame airborne photoelectric pod structure with light weight design |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115071989A true CN115071989A (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210748058.9A Pending CN115071989A (en) | 2022-06-29 | 2022-06-29 | Small-size two-frame airborne photoelectric pod structure with light weight design |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115585790A (en) * | 2022-12-05 | 2023-01-10 | 中国科学院长春光学精密机械与物理研究所 | Surveying and mapping device, surveying and mapping method and computer equipment |
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2022
- 2022-06-29 CN CN202210748058.9A patent/CN115071989A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115585790A (en) * | 2022-12-05 | 2023-01-10 | 中国科学院长春光学精密机械与物理研究所 | Surveying and mapping device, surveying and mapping method and computer equipment |
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