CN110873187B - Sealing vibration damper for airborne photoelectric equipment and airborne photoelectric equipment - Google Patents
Sealing vibration damper for airborne photoelectric equipment and airborne photoelectric equipment Download PDFInfo
- Publication number
- CN110873187B CN110873187B CN201810992735.5A CN201810992735A CN110873187B CN 110873187 B CN110873187 B CN 110873187B CN 201810992735 A CN201810992735 A CN 201810992735A CN 110873187 B CN110873187 B CN 110873187B
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- China
- Prior art keywords
- mounting plate
- airborne
- sealing
- upper mounting
- lower mounting
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- 238000007789 sealing Methods 0.000 title claims abstract description 47
- 238000013016 damping Methods 0.000 claims abstract description 40
- 230000005693 optoelectronics Effects 0.000 claims abstract description 36
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000002955 isolation Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 206010034719 Personality change Diseases 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/061—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with positioning means
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to a sealing vibration damper for airborne photoelectric equipment and the airborne photoelectric equipment. The invention provides a damping device for airborne photoelectric equipment, which comprises: the damping device comprises an upper mounting plate, a damping layer and a lower mounting plate; the damping layer is vulcanized between the upper mounting plate and the lower mounting plate; the upper mounting plate is used for being connected with airborne optoelectronic equipment, a first sealing groove is reserved on the mounting surface of the upper mounting plate and is provided with a first sealing ring, and the shape of the first sealing groove is matched with that of the first sealing ring; the lower mounting plate is used for being connected with an aircraft, a second sealing groove is reserved on the mounting surface of the lower mounting plate and is provided with a second sealing ring, and the shape of the second sealing groove is matched with that of the second sealing ring. Under the condition of realizing the sealed connection of the photoelectric equipment and the carrier, the influence of external vibration interference on the video image of the photoelectric equipment can be effectively isolated.
Description
Technical Field
The invention relates to the technical field of photoelectric equipment, in particular to a vibration damping device for airborne photoelectric equipment under the condition of being sealed and installed with an airborne machine.
Background
An airborne photoelectric device is a reconnaissance device in the technical field of photoelectric devices, and the most basic task of the airborne photoelectric device is to obtain high-quality stable and clear video images. When the airborne photoelectric equipment works, the airborne photoelectric equipment is interfered by external vibration factors such as an airborne engine, attitude change, aerodynamic phenomena and the like, violent random vibration can be generated in a wide frequency band range of 10 Hz-2000 Hz, so that video images of the photoelectric equipment are shaken, and the precision requirement of the photoelectric equipment cannot be met by a servo system of the photoelectric equipment. Therefore, passive vibration isolation technology must be implemented on the airborne optoelectronic device to isolate the influence of external vibration interference on the video image of the optoelectronic device, thereby realizing the visual axis stability of the optoelectronic device.
At present, passive vibration isolation measures adopted by airborne optoelectronic equipment mainly comprise optical load local vibration isolation, overall vibration isolation and the like. The local vibration isolation mainly achieves the image stabilization effect by carrying out vibration isolation on optical load in the sphere, and the method can occupy larger optical load space and increase the volume and weight of photoelectric equipment; and at the same time, the vibration isolation protection can not be carried out on the parts except the optical load. The integral vibration isolation mainly achieves the image stabilization effect by installing a plurality of (generally three or four) vibration isolators between the aircraft and the photoelectric equipment, and the equivalence of the rigidity characteristic, the damping characteristic and the frequency of each vibration isolator in the method is difficult to be completely consistent, so that the photoelectric equipment cannot obtain the effect of high quality and stability.
In addition, some manned aerial vehicles flying at high altitude need to be connected with exposed photoelectric equipment in a sealing manner in order to ensure the safety of personnel in the cabin. The integral vibration isolation method can not keep the sealing between the mounting part of the carrier and the photoelectric equipment, thereby greatly limiting the application of the carrier and the photoelectric equipment.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and adopts the following technical scheme:
in one aspect, an embodiment of the present invention provides a sealing vibration damping device for an airborne optoelectronic device, where the sealing vibration damping device includes: the damping device comprises an upper mounting plate, a damping layer and a lower mounting plate; the damping layer is vulcanized between the upper mounting plate and the lower mounting plate; the upper mounting plate is used for being connected with airborne photoelectric equipment, and a first sealing groove and a first sealing ring are reserved on the mounting surface of the upper mounting plate; the lower mounting plate is used for being connected with the aircraft, and a second sealing groove and a second sealing ring are reserved on the mounting surface of the lower mounting plate.
In some embodiments, the damping layer is vulcanized between the upper mounting plate and the lower mounting plate to form a rubber sandwich.
In some embodiments, the damping layer is made of a rubber material; the upper mounting plate and the lower mounting plate are made of titanium alloy materials or other metal materials.
In some embodiments, the upper mounting plate, the damping layer, and the lower mounting plate are all annular.
In some embodiments, the first seal ring and the second seal ring are both O-rings.
In some embodiments, the upper mounting plate is provided with a circular through hole, so that the sealing and vibration damping device is firmly connected with the airborne optoelectronic equipment.
In some embodiments, the lower mounting plate is provided with a circular bulge and is provided with a threaded hole at a corresponding position, so that the sealing and vibration damping device is firmly connected with the carrier.
In a second aspect, the present invention further provides an airborne optoelectronic device, including the sealed vibration damping device for an airborne optoelectronic device provided by the present invention, the optoelectronic device is connected to an upper mounting plate of the sealed vibration damping device for the airborne optoelectronic device by a hoisting or press-fitting manner, the airborne device is connected to a lower mounting plate of the sealed vibration damping device for the airborne optoelectronic device, a connection surface of the upper mounting plate and the optoelectronic device is referred to as a first connection surface, a connection surface of the lower mounting plate and the airborne device is referred to as a second connection surface, and both the first connection surface and the second connection surface are statically sealed. The vibration damping device is sealed by vulcanizing the rubber layers on the surfaces of the upper mounting plate and the lower mounting plate, and vibration damping of the photoelectric equipment is realized by compressing or shearing the rubber layers.
The invention has the beneficial effects that: under the condition of realizing the sealed connection of the photoelectric equipment and the carrier, the influence of external vibration interference on the video image of the photoelectric equipment can be effectively isolated. Meanwhile, the connection bearing mode of the annular sealing vibration damper enables the bearing capacity of the annular sealing vibration damper in all directions to be basically consistent, the three-direction equal rigidity characteristic of the sealing vibration damper is easy to realize, the problem of angular vibration caused by the difference of rigidity in different directions is favorably reduced, and the stable and clear video image output by the airborne photoelectric equipment is further ensured.
Drawings
Fig. 1 is a structural sectional view of a sealing and vibration damping device for an on-board optoelectronic device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a sealing and vibration damping device for an airborne optoelectronic apparatus according to an embodiment of the present invention;
FIG. 3 is a side view of the hermetic vibration damper for the on-board optoelectronic device shown in FIG. 2;
FIG. 4 is a schematic structural diagram of an upper mounting plate according to an embodiment of the present invention;
FIG. 5 is a side view of the upper mounting plate shown in FIG. 4;
FIG. 6 is a schematic view of a shock-absorbing shell according to an embodiment of the present invention;
FIG. 7 is a side view of the shock-absorbing shell shown in FIG. 6;
FIG. 8 is a schematic structural view of a lower mounting plate according to an embodiment of the present invention;
FIG. 9 is a side view of the lower mounting plate shown in FIG. 8;
figure 10 is an installation schematic of an airborne optoelectronic device hoist according to an embodiment of the present invention;
fig. 11 is a schematic diagram illustrating the installation of a press-fitting of an onboard optoelectronic device in accordance with an embodiment of the present invention.
The attached drawings are as follows:
10. the sealing vibration damper is used for the airborne photoelectric equipment; 1. an upper mounting plate; 101. a first seal groove; 102. a first seal ring; 103. a first connection face; 2. a shock-absorbing layer; 3. a lower mounting plate; 301. a second seal groove; 302. a second seal ring; 303. a second connection face; 304. a protrusion; 20. an optoelectronic device; 30. and (4) carrying the aircraft.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced otherwise than as specifically illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The following further describes embodiments of the present invention with reference to the accompanying drawings:
referring to fig. 1-3, a hermetic vibration damping apparatus 10 for an onboard optoelectronic device includes: the damping device comprises an upper mounting plate 1, a damping layer 2 and a lower mounting plate 3; the damping layer 2 is vulcanized between the upper mounting plate 1 and the lower mounting plate 3; the upper mounting plate 1 is used for being connected with an airborne optoelectronic device, and a first sealing groove 101 and a first sealing ring 102 are reserved on a first mounting surface 103 of the upper mounting plate 1; the lower mounting plate 3 is intended to be connected to an aircraft, and the second mounting surface 303 of the lower mounting plate 3 is provided with a second sealing groove 301 and a second sealing ring 302 (not shown in fig. 1-2).
Referring to fig. 4-5, a schematic structural diagram and a side view of an upper mounting plate 1 according to an embodiment of the present invention are shown, wherein a first sealing groove 101 is provided on a mounting surface of the upper mounting plate 1 and a first sealing ring 102 is provided.
Referring to fig. 6-7, there are shown a schematic structural view and a side view of a shock-absorbing shell 2 according to an embodiment of the present invention, wherein the shock-absorbing shell 2 is vulcanized between an upper mounting plate 1 and a lower mounting plate 3 to form an annular rubber sandwich.
Referring to fig. 8-9, which are a schematic structural diagram and a side view of the lower mounting plate 3 according to an embodiment of the present invention, a protrusion 304 is provided on the lower mounting plate 3 for fixedly connecting with the shock-absorbing layer 2. The number of the protrusions 304 may be 2 or more than 2, and of course, the number of the protrusions 304 may be increased or decreased as needed. The protrusion 304 is integrally formed with the main body of the lower mounting plate 3. Of course, the protrusion may have other shapes than a circle.
In some specific embodiments, the damping layer 2 is made of a rubber material; the upper mounting plate 1 and the lower mounting plate 3 are made of titanium alloy materials or other metal materials.
In some specific embodiments, the upper mounting plate 1, the damping layer 2 and the lower mounting plate 3 are all annular.
In some embodiments, the first seal ring 102 and the second seal ring 302 are both O-ring seals. Of course, the first seal ring 102 and the second seal ring 302 may have other shapes, and when the first seal ring 102 and the second seal ring 302 have other shapes, the first seal groove 101 and the second seal groove 301 have other matching shapes.
In a second aspect, as shown in fig. 10 to 11, the present invention further provides an onboard optoelectronic device 20, including the sealed vibration damper 10 for an onboard optoelectronic device provided in the present invention, where the onboard optoelectronic device 20 is connected to the upper mounting plate 1 of the sealed vibration damper 10 for an onboard optoelectronic device by a hoisting or press-fitting manner, the onboard machine 30 is connected to the lower mounting plate 3 of the sealed vibration damper 10 for an onboard optoelectronic device, a connection surface between the upper mounting plate 1 and the optoelectronic device 20 is referred to as a first connection surface 103, a connection surface between the lower mounting plate 3 and the onboard machine 30 is referred to as a second connection surface 303, and both the first connection surface 103 and the second connection surface 303 are statically sealed.
The invention has the beneficial effects that: under the condition of realizing the sealed connection of the photoelectric equipment and the carrier, the influence of external vibration interference on the video image of the photoelectric equipment can be effectively isolated. Meanwhile, the connection bearing mode of the annular sealing vibration damper enables the bearing capacity of the annular sealing vibration damper in all directions to be basically consistent, the problem of angular vibration caused by the difference of rigidity in different directions is favorably reduced, and the airborne photoelectric equipment is further ensured to output stable and clear video images.
The foregoing embodiments and description have been presented only to illustrate the principles and preferred embodiments of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as hereinafter claimed.
Claims (6)
1. A sealed vibration damping device for airborne optoelectronic equipment, the sealed vibration damping device comprising: the damping device comprises an upper mounting plate, a damping layer and a lower mounting plate; the damping layer is vulcanized between the upper mounting plate and the lower mounting plate; the upper mounting plate is used for being connected with airborne optoelectronic equipment, a first sealing groove is reserved on the mounting surface of the upper mounting plate and is provided with a first sealing ring, and the shape of the first sealing groove is matched with that of the first sealing ring; the lower mounting plate is used for being connected with an aircraft, a second sealing groove is reserved on the mounting surface of the lower mounting plate and is provided with a second sealing ring, and the shape of the second sealing groove is matched with the shape of the second sealing ring;
and the upper mounting plate is provided with a circular through hole so that the sealing vibration damper is tightly connected with the airborne photoelectric equipment.
2. The sealed vibration damping device for the airborne optoelectronic device according to claim 1, wherein the vibration damping layer is made of a rubber material; the upper mounting plate and the lower mounting plate are made of titanium alloy materials or other metal materials.
3. The hermetic vibration damping device for an airborne optoelectronic device according to claim 1, wherein the upper mounting plate, the vibration damping layer, and the lower mounting plate are all annular.
4. The device of claim 1, wherein the first and second sealing rings are O-rings.
5. The sealing and vibration damping device for the airborne photoelectric equipment according to claim 1, wherein a circular protrusion is arranged on the lower mounting plate, and a threaded hole is arranged at a corresponding position of the circular protrusion, so that the sealing and vibration damping device is firmly connected with the airborne photoelectric equipment.
6. An airborne optoelectronic apparatus comprising the sealed vibration damper according to any one of claims 1 to 5, wherein the optoelectronic apparatus is connected to the upper mounting plate of the sealed vibration damper for airborne optoelectronic apparatus by means of hoisting or press-fitting, the airborne apparatus is connected to the lower mounting plate of the sealed vibration damper for airborne optoelectronic apparatus, the connection surface of the upper mounting plate and the optoelectronic apparatus is designated as a first connection surface, the connection surface of the lower mounting plate and the airborne apparatus is designated as a second connection surface, and both the first connection surface and the second connection surface are statically sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810992735.5A CN110873187B (en) | 2018-08-29 | 2018-08-29 | Sealing vibration damper for airborne photoelectric equipment and airborne photoelectric equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810992735.5A CN110873187B (en) | 2018-08-29 | 2018-08-29 | Sealing vibration damper for airborne photoelectric equipment and airborne photoelectric equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110873187A CN110873187A (en) | 2020-03-10 |
| CN110873187B true CN110873187B (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810992735.5A Expired - Fee Related CN110873187B (en) | 2018-08-29 | 2018-08-29 | Sealing vibration damper for airborne photoelectric equipment and airborne photoelectric equipment |
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| CN (1) | CN110873187B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115370746B (en) * | 2022-08-09 | 2024-06-11 | 黄鹄科学技术有限公司 | Dynamic sealing structure of airborne nacelle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201723384U (en) * | 2010-05-25 | 2011-01-26 | 国电联合动力技术(连云港)有限公司 | Sealing device used between engine room casing and hubcap of wind turbine generator system |
| CN204253862U (en) * | 2014-11-28 | 2015-04-08 | 哈尔滨锅炉厂有限责任公司 | Sealing device for high-pressure container |
| CN107606020A (en) * | 2017-04-24 | 2018-01-19 | 西安应用光学研究所 | A kind of composite damping structure for airborne lidar for fluorescence |
| CN108006151A (en) * | 2017-12-04 | 2018-05-08 | 河南机电职业学院 | A kind of mechanically operated vibration absorber |
| CN108216661A (en) * | 2017-12-22 | 2018-06-29 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of photoelectric nacelle of two axis, four frame mechanism of voice coil motor driving |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004032554B4 (en) * | 2004-07-06 | 2006-07-13 | Airbus Deutschland Gmbh | Closure for closing a component opening in a component |
-
2018
- 2018-08-29 CN CN201810992735.5A patent/CN110873187B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201723384U (en) * | 2010-05-25 | 2011-01-26 | 国电联合动力技术(连云港)有限公司 | Sealing device used between engine room casing and hubcap of wind turbine generator system |
| CN204253862U (en) * | 2014-11-28 | 2015-04-08 | 哈尔滨锅炉厂有限责任公司 | Sealing device for high-pressure container |
| CN107606020A (en) * | 2017-04-24 | 2018-01-19 | 西安应用光学研究所 | A kind of composite damping structure for airborne lidar for fluorescence |
| CN108006151A (en) * | 2017-12-04 | 2018-05-08 | 河南机电职业学院 | A kind of mechanically operated vibration absorber |
| CN108216661A (en) * | 2017-12-22 | 2018-06-29 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of photoelectric nacelle of two axis, four frame mechanism of voice coil motor driving |
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| Publication number | Publication date |
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| CN110873187A (en) | 2020-03-10 |
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