CN113844665B - GaN three-light pod stabilizing device for power transmission line inspection - Google Patents
GaN three-light pod stabilizing device for power transmission line inspection Download PDFInfo
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- CN113844665B CN113844665B CN202111106554.6A CN202111106554A CN113844665B CN 113844665 B CN113844665 B CN 113844665B CN 202111106554 A CN202111106554 A CN 202111106554A CN 113844665 B CN113844665 B CN 113844665B
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- frame
- shock absorber
- gan
- azimuth
- pitching frame
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 14
- 238000007689 inspection Methods 0.000 title claims abstract description 12
- 230000000087 stabilizing effect Effects 0.000 title abstract description 8
- 230000035939 shock Effects 0.000 claims abstract description 49
- 239000006096 absorbing agent Substances 0.000 claims abstract description 48
- 239000002184 metal Substances 0.000 claims description 8
- 239000003381 stabilizer Substances 0.000 claims 4
- 230000005611 electricity Effects 0.000 claims 1
- 230000003019 stabilising effect Effects 0.000 claims 1
- 238000002955 isolation Methods 0.000 abstract description 11
- 238000013016 damping Methods 0.000 abstract description 7
- 230000002238 attenuated effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- 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
- B64D47/08—Arrangements of cameras
-
- 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
- F16F15/085—Use of both rubber and metal springs
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a GaN three-light pod stabilizing device for power transmission line inspection, which comprises a primary shock absorber and a secondary shock absorber, wherein the primary shock absorber is arranged between a pod base and a movable carrier, and the secondary shock absorber is arranged between an outer pitching frame and an inner pitching frame; the two sides of the outer pitching frame are arranged on an inverted U-shaped outer azimuth frame through two limiting shock absorbers II, the upper end of the outer azimuth frame is connected to the lower side of the movable carrier through the limiting shock absorbers I, and the upper side and the lower side in the inner pitching frame are connected to the outer side of the inner azimuth frame through two limiting shock absorbers III. The invention adopts the multiple damping devices to perform combined damping, the base of the nacelle is fixed on the unmanned aerial vehicle through the primary vibration isolation system, and meanwhile, the secondary vibration isolation system is applied between the inner frame and the outer frame to perform secondary vibration isolation, so that the influence of vibration on photoelectric load in the inner frame is greatly reduced. This plays a very big role in the stable shooting data of three light nacelle devices when unmanned aerial vehicle flies.
Description
Technical Field
The invention relates to a GaN three-light pod stabilizing device for power transmission line inspection, and belongs to the technical field of unmanned aerial vehicle vibration isolation equipment.
Background
The unmanned aerial vehicle is adopted to patrol the power transmission line of the power system step by step, the current unmanned aerial vehicle mainly adopts an infrared nacelle mode to patrol, the ultraviolet, infrared and visible light three-light nacelle technology is almost blank, and when the three-light nacelle is adopted to install the unmanned aerial vehicle, the unmanned aerial vehicle can vibrate in the operation process, so that the photographing quality of the three light sensors is affected.
Disclosure of Invention
The invention aims to solve the technical problems that: the GaN three-light pod stabilizing device for the power transmission line inspection is provided to solve the problems in the prior art.
The technical scheme adopted by the invention is as follows: a GaN three-light pod stabilizing device for power transmission line inspection comprises a primary shock absorber and a secondary shock absorber, wherein the primary shock absorber is arranged between a pod base and a movable carrier, and the secondary shock absorber is arranged between an outer pitching frame and an inner pitching frame; the two sides of the outer pitching frame are arranged on an inverted U-shaped outer azimuth frame through two limiting shock absorbers II, the upper end of the outer azimuth frame is connected to the lower side of the movable carrier through the limiting shock absorbers I, the upper side and the lower side in the inner pitching frame are connected to the outer side of the inner azimuth frame through two limiting shock absorbers III, and a GaN three-light sensor is arranged in the inner azimuth frame.
Preferably, the first-stage vibration absorber comprises four metal vibration isolators which are uniformly distributed at four corners, and two ends of each metal vibration isolator are respectively and fixedly connected to the nacelle base and the moving carrier.
Preferably, the first limiting damper, the second limiting damper and the third limiting damper all comprise springs and rubber columns, one ends of the rubber columns are fixedly connected to the movable carrier, the outer pitching frame or the inner pitching frame, the springs are arranged in a circle relative to the rubber columns, and two ends of the springs are respectively fixedly connected to the outer pitching frame and the movable carrier, the outer pitching frame and the outer pitching frame or the inner pitching frame and the inner pitching frame.
Preferably, the three light pod stabilizing device for the power transmission line inspection further comprises a limiting damper four, wherein the limiting damper four and the secondary damper are connected in series and then connected between the inner azimuth frame and the outer azimuth frame.
Preferably, the limit damper is connected to the secondary damper through the adapter plate.
Preferably, the fourth limiting damper has the same structure as the first limiting damper, the second limiting damper or the third limiting damper.
Preferably, the secondary shock absorber comprises four quasi-zero stiffness vibration isolators which are arranged in a quadrilateral form, and two ends of each quasi-zero stiffness vibration isolator are fixedly connected to the adapter plate and the external azimuth frame respectively.
Preferably, two ends of the quasi-zero stiffness vibration isolator are fixedly connected with the adapter plate and the external azimuth frame through screws.
The invention has the beneficial effects that: compared with the prior art, the invention adopts the multiple damping devices to perform combined damping, the base of the nacelle is fixed on the unmanned aerial vehicle through the primary vibration isolation system, and meanwhile, the secondary vibration isolation system is applied between the inner frame and the outer frame to perform secondary vibration isolation, so that the influence of vibration on photoelectric load in the inner frame can be greatly reduced. This plays a very big role in the stable shooting data of three light nacelle devices of gaN when unmanned aerial vehicle flies.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a limit stop shock absorber.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific examples.
Example 1: as shown in fig. 1-2, a GaN three-light pod stabilizing device for power transmission line inspection comprises a primary shock absorber 1 and a secondary shock absorber 2, wherein the primary shock absorber 1 is arranged between a pod base 3 and a movable carrier 4, and the secondary shock absorber 2 is arranged between an outer pitching frame 5 and an inner pitching frame 6; the two sides of the outer pitching frame 5 are arranged on an inverted U-shaped outer azimuth frame 7 through two limiting shock absorbers II 10, the upper end of the outer azimuth frame 7 is connected to the lower side of the movable carrier 4 through a limiting shock absorber I9, the upper side and the lower side in the inner pitching frame 6 are connected to the outer side of an inner azimuth frame 8 through two limiting shock absorbers III 15, a GaN three-light sensor is arranged in the inner azimuth frame 8, a pod base is fixedly connected to the bottom of the unmanned aerial vehicle and further comprises a limiting shock absorber IV 13, and the limiting shock absorber IV 13 and the secondary shock absorber 2 are connected in series and then connected between the inner azimuth frame 8 and the outer azimuth frame 7.
Preferably, the primary damper 1 comprises four metal vibration isolators uniformly distributed at four corners, and two ends of each metal vibration isolator are respectively and fixedly connected to the nacelle base 3 and the moving carrier 4.
Preferably, the first limiting damper 9, the second limiting damper 10, the third limiting damper 15 and the fourth limiting damper 13 each comprise a spring 11 and a rubber column 12, one end of each rubber column 12 is fixedly connected to the movable carrier 4, the outer azimuth frame 7 or the inner pitching frame 6, a plurality of springs 11 are arranged around the corresponding rubber column 12, two ends of each spring are respectively fixedly connected to the outer azimuth frame 7 and the movable carrier 4, the outer pitching frame 5 and the outer azimuth frame 7 or the inner pitching frame 6 and the inner azimuth frame 8, a plurality of springs are matched with the central rubber column around, and the springs can only be compressed in a limited space, so that amplitude limitation is achieved.
Preferably, the limit damper four 13 is connected to the secondary damper 2 through the adapter plate 14.
Preferably, the secondary shock absorber 2 comprises four quasi-zero stiffness vibration isolators which are arranged in a quadrilateral form, and two ends of each quasi-zero stiffness vibration isolator are fixedly connected to the adapter plate 14 and the external azimuth frame 7 respectively.
Preferably, two ends of the quasi-zero stiffness vibration isolator are fixedly connected with the adapter plate 14 and the external azimuth frame 7 through screws.
The base of the unmanned aerial vehicle nacelle is fixed on the unmanned aerial vehicle through a primary vibration isolation system, and meanwhile, a secondary vibration isolation system is applied between an inner frame and an outer frame for vibration reduction again, and a plurality of vibration reduction limiters are arranged between the vibration reduction device components to form combined vibration reduction.
Damping principle: when the nacelle works, the vibration of the unmanned aerial vehicle is transmitted to the outer frame of the aviation nacelle through the vibration reduction system, and meanwhile, a secondary vibration isolation system is applied between the inner frame and the outer frame for vibration reduction again, so that when the aviation nacelle works, the vibration of the unmanned aerial vehicle is attenuated through the primary vibration reduction system, and then vibration suppression is carried out through the secondary vibration reduction, and the influence of the vibration on the photoelectric load in the inner frame is greatly reduced.
The first-stage shock absorber can adopt the shock absorber without angular displacement, and this shock absorber includes inside casing and frame, and on four sides of inside casing (inside casing upper end is connected to the nacelle base) was connected to the frame through the spring, the frame bottom was connected to the movable carrier through metal shock absorber and rubber spring, had following characteristics: the shape is parallelogram, the damping material and the shock absorber are arranged on the parallelogram, and the fixed chassis can be used as the fixed chassis by using the connecting flange; the shock absorber has the characteristics of high temperature resistance, low temperature resistance, oil stain resistance, no aging and the like, and is suitable for severe working environments. According to the translation principle of the parallelogram mechanism, angular displacement is gradually attenuated when being converted into linear position through the three-way equal-rigidity angular displacement-free shock absorber, and finally the angular displacement-free shock absorption effect is achieved.
The hoist adopts a two-axis four-frame structure, the stability precision of the frame is higher, but in order to achieve higher standard stability precision, a vibration isolation system is added between an inner frame and an outer frame, the problem of complete decoupling is considered, 8 shock absorbers are assembled between the inner frame and the outer frame, and the two-axis four-frame structure is installed in a symmetrical arrangement mode. According to the application occasion and environment of the aviation nacelle, a damper suitable for aviation is selected, so that a rubber metal damper can be selected, and the main advantages of the damper are as follows: the requirements of severe environment and random vibration are met; has nonlinear rigidity characteristics; the structure is compact, and the shock resistance is good; the damping is large, and resonance can be effectively restrained at the resonance position; the high-frequency attenuation performance is good.
The foregoing is merely illustrative of the present invention, and the scope of the present invention is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the scope of the present invention, and therefore, the scope of the present invention shall be defined by the scope of the appended claims.
Claims (5)
1. The utility model provides a three light nacelle stabilising arrangement of gaN that transmission of electricity was patrolled and was used which characterized in that: the device comprises a primary shock absorber (1) and a secondary shock absorber (2), wherein the primary shock absorber (1) is arranged between a nacelle base (3) and a movable carrier (4), and the secondary shock absorber (2) is arranged between an outer pitching frame (5) and an inner pitching frame (6); the two sides of the outer pitching frame (5) are arranged on an inverted U-shaped outer azimuth frame (7) through two limiting shock absorbers (10), the upper end of the outer azimuth frame (7) is connected to the lower side of the movable carrier (4) through a first limiting shock absorber (9), the upper and lower sides in the inner pitching frame (6) are connected to the outer side of the inner azimuth frame (8) through two limiting shock absorbers (15), and a GaN three-light sensor is arranged in the inner azimuth frame (8); the first-stage shock absorber (1) comprises four metal vibration isolators which are uniformly distributed at four corners, and two ends of each metal vibration isolator are respectively and fixedly connected to the nacelle base (3) and the moving carrier (4); the first limiting shock absorber (9), the second limiting shock absorber (10) and the third limiting shock absorber (15) comprise springs (11) and rubber columns (12), one ends of the rubber columns (12) are fixedly connected to the movable carrier (4), the outer pitching frame (7) or the inner pitching frame (6), the springs (11) are arranged in a circle relative to the rubber columns (12), and two ends of the springs are respectively fixedly connected with the outer pitching frame (7) and the movable carrier (4), the outer pitching frame (5) and the outer pitching frame (7) or the inner pitching frame (6) and the inner pitching frame (8); the device also comprises a limit damper IV (13), wherein the limit damper IV (13) is connected with the secondary damper (2) in series and then is connected between the inner azimuth frame (8) and the outer azimuth frame (7).
2. The GaN three-light pod stabilizer for power transmission line inspection according to claim 1, wherein: the limit damper IV (13) is connected to the secondary damper (2) through the adapter plate (14).
3. The GaN three-light pod stabilizer for power transmission line inspection according to claim 1, wherein: the limit damper IV (13) has the same structure as the limit damper I (9), the limit damper II (10) or the limit damper III (15).
4. The GaN three-light pod stabilizer for power transmission line inspection according to claim 2, wherein: the secondary shock absorber (2) comprises four quasi-zero stiffness vibration isolators which are arranged in a quadrilateral mode, and two ends of each quasi-zero stiffness vibration isolator are fixedly connected to the adapter plate (14) and the external azimuth frame (7) respectively.
5. The GaN three-light pod stabilizer for power transmission line inspection according to claim 4, wherein: the two ends of the quasi-zero stiffness vibration isolator are fixedly connected with the adapter plate (14) and the external azimuth frame (7) through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111106554.6A CN113844665B (en) | 2021-09-22 | 2021-09-22 | GaN three-light pod stabilizing device for power transmission line inspection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111106554.6A CN113844665B (en) | 2021-09-22 | 2021-09-22 | GaN three-light pod stabilizing device for power transmission line inspection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113844665A CN113844665A (en) | 2021-12-28 |
| CN113844665B true CN113844665B (en) | 2024-05-14 |
Family
ID=78974755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111106554.6A Active CN113844665B (en) | 2021-09-22 | 2021-09-22 | GaN three-light pod stabilizing device for power transmission line inspection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113844665B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206092325U (en) * | 2016-01-05 | 2017-04-12 | 中国海洋石油总公司 | Be applied to large -scale reciprocating compressor of platform group damping isolation mounting |
| CN108033029A (en) * | 2017-11-12 | 2018-05-15 | 刘福珍 | The unmanned spraying machine posture instrument mounting structure of pesticide |
| WO2019037086A1 (en) * | 2017-08-25 | 2019-02-28 | 深圳市大疆创新科技有限公司 | Shock absorber of pan-tilt, pan-tilt assembly, and movable photographing device |
| CN210852954U (en) * | 2019-08-23 | 2020-06-26 | 成都浩孚科技有限公司 | Four-frame four-axis photoelectric pod vibration reduction structure |
| CN112118975A (en) * | 2019-02-12 | 2020-12-22 | A·V·加夫里洛夫 | Vehicle suspension with adjustable chassis clearance |
| CN212430358U (en) * | 2019-12-25 | 2021-01-29 | 武汉巨合科技有限公司 | Two-shaft four-frame photoelectric pod |
| CN112278301A (en) * | 2020-09-17 | 2021-01-29 | 河北汉光重工有限责任公司 | Two-shaft four-frame mechanism photoelectric pod with passive vibration isolation |
| CN112594313A (en) * | 2020-12-15 | 2021-04-02 | 航天科工深圳（集团）有限公司 | Vibration reduction structure and sensing device carrying mechanism comprising same and detection unmanned aerial vehicle |
-
2021
- 2021-09-22 CN CN202111106554.6A patent/CN113844665B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206092325U (en) * | 2016-01-05 | 2017-04-12 | 中国海洋石油总公司 | Be applied to large -scale reciprocating compressor of platform group damping isolation mounting |
| WO2019037086A1 (en) * | 2017-08-25 | 2019-02-28 | 深圳市大疆创新科技有限公司 | Shock absorber of pan-tilt, pan-tilt assembly, and movable photographing device |
| CN108033029A (en) * | 2017-11-12 | 2018-05-15 | 刘福珍 | The unmanned spraying machine posture instrument mounting structure of pesticide |
| CN112118975A (en) * | 2019-02-12 | 2020-12-22 | A·V·加夫里洛夫 | Vehicle suspension with adjustable chassis clearance |
| CN210852954U (en) * | 2019-08-23 | 2020-06-26 | 成都浩孚科技有限公司 | Four-frame four-axis photoelectric pod vibration reduction structure |
| CN212430358U (en) * | 2019-12-25 | 2021-01-29 | 武汉巨合科技有限公司 | Two-shaft four-frame photoelectric pod |
| CN112278301A (en) * | 2020-09-17 | 2021-01-29 | 河北汉光重工有限责任公司 | Two-shaft four-frame mechanism photoelectric pod with passive vibration isolation |
| CN112594313A (en) * | 2020-12-15 | 2021-04-02 | 航天科工深圳（集团）有限公司 | Vibration reduction structure and sensing device carrying mechanism comprising same and detection unmanned aerial vehicle |
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| Publication number | Publication date |
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| CN113844665A (en) | 2021-12-28 |
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