CN103579760A - Swing mechanism in ship-borne antenna tracker - Google Patents
Swing mechanism in ship-borne antenna tracker Download PDFInfo
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- CN103579760A CN103579760A CN201310478860.1A CN201310478860A CN103579760A CN 103579760 A CN103579760 A CN 103579760A CN 201310478860 A CN201310478860 A CN 201310478860A CN 103579760 A CN103579760 A CN 103579760A
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- tracking means
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Abstract
The invention provides a swing mechanism in a ship-borne antenna tracker, and belongs to the technical field of antennas. The swing mechanism solves the technical problem that an existing swing mechanism in the ship-borne antenna tracker is poor in reaction sensitivity. The tracker comprises an anti-interference tank fixedly arranged on the top of a ship body and an antenna assembly, and a rotating plate keeping the horizontal state is arranged in the anti-interference tank. The swing mechanism comprises two swing rods fixedly connected to the antenna assembly, an index plate is fixedly arranged between the two swing rods, and conical gear rings are arranged on the two side surfaces of the index plate. The two swing rods are hinged to the rotating plate. An output shaft of a second servo motor is fixedly provided with two parallel bevel gears, the conical surfaces of the two bevel gears are opposite, and the two bevel gears are respectively meshed with the two conical gear rings of the index plate which is fixedly connected to the swing rods through a hinge pin, the hinge pin is arranged on two horizontal plates in an inserting mode, and the index plate is clamped between the two horizontal plates. The swing mechanism has the advantages of being high in sensitivity and the like.
Description
Technical field
The invention belongs to antenna technical field, relate to the swing mechanism in a kind of ship-board antenna tracking means.
Background technology
The maximum difference of the satellite antenna on mobile carrier and ground fixed antenna is that the carrier of antenna is a carrier that movement is waved, such as the satellite antenna on ship, thereby need stable antenna platform to isolate waving of hull, realize antenna attitude stabilization at the volley, and on the basis of attitude stabilization, in moving process, follow the tracks of and to satelloid.
Traditional satellite antenna peculiar to vessel adopts mechanical platform to isolate the disturbance of carrier conventionally, adopts hill climb system to make antenna velocity of wave progressively to satelloid.Therefore, the key technology of satellite antenna system peculiar to vessel is stabilizing power and the target traceability of antenna platform, can isolate well the motion of carrier whether the attitude of antenna platform is stablized and had directly important impact.
This swing mechanism is a part for ship-board antenna tracking means, and major function is the delay while reducing to swing, and improves the precision swinging.
Summary of the invention
The object of the invention is the problems referred to above that exist for existing technology, the swing mechanism in a kind of ship-board antenna tracking means is provided, technical problem to be solved by this invention is the delay while reducing index dial rotation.
Object of the present invention can realize by following technical proposal: the swing mechanism in a kind of ship-board antenna tracking means, it is characterized in that, described tracking means comprises the anti-tampering cylinder and the antenna assembly that are installed in hull top, in described anti-tampering cylinder, be provided with the rotating disk of a maintenance level, described swing mechanism comprises two forks that are connected with described antenna assembly, between two forks, be installed with one division dish, the two sides of described index dial have bevel ring gear, described fork is hinged on described rotating disk, on described rotating disk, be also installed with a servomotor two, on the output shaft of described servomotor two, be installed with two bevel gears that are parallel to each other, the conical surface of two described bevel gears is relative, and be meshed with two bevel ring gears of index dial respectively, described rotating disk is provided with two along the baffle plate of rotating disk radial line symmetry, between two described baffle plates, be provided with two transverse slats, described index dial is connected by a bearing pin and fork, described bearing pin is plugged on two transverse slats and described index dial is sandwiched between two transverse slats.
Operation principle of the present invention is: bevel ring gear is close and smart, bevel gear on servomotor two driver output axles, thereby drive index dial to rotate, drive antenna assembly to rotate, because the both sides of index dial are equipped with bevel ring gear, and by the middle of two bevel gears are sandwiched in, delay in the time of can making transmission is little, precision is high.
In swing mechanism in above-mentioned a kind of ship-board antenna tracking means, on described rotating disk, be hinged with two along the swing arm of rotating disk radial line symmetry, lower end and the rotating disk of described swing arm are hinged, and the upper end of described swing arm is installed with a balancing weight, and the middle part of described swing arm and the lower end of described fork are hinged.
In swing mechanism in above-mentioned a kind of ship-board antenna tracking means, the dead in line of closing center of gravity and described supporting bracket of all weights in described supporting bracket top.For the impact on supporting bracket horizontal attitude of the parts that reduce supporting bracket top as far as possible, and balancing weight is set, balancing weight is contrary with the swaying direction of antenna assembly all the time, in the time of can solving antenna assembly offset supports plate center, cause the unbalanced problem of supporting bracket, the quality of balancing weight decides according to the quality of antenna assembly and size, when making, through test of many times and adjustment, while making antenna assembly swing to optional position, all can make the dead in line of closing center of gravity and supporting bracket of all weights in supporting bracket top, make supporting bracket keep in theory absolute level.
In swing mechanism in above-mentioned a kind of ship-board antenna tracking means, described tracking means also comprises boat-carrying computer and a gps receiver, and described servomotor two is all connected with described boat-carrying computer with gps receiver.
In swing mechanism in above-mentioned a kind of ship-board antenna tracking means, the upper end of described anti-tampering cylinder is covered with a hemisphere protective cover.Anti-tampering cylinder and protective cover seal whole tracking means, eliminate weather, man-made environment and the impact of birds on tracking means, guarantee precision and the reliability of tracking means.
In swing mechanism in above-mentioned a kind of ship-board antenna tracking means, described anti-tampering cylinder and protective cover are nonmetallic materials and make.Anti-tampering cylinder and protective cover can be made for materials such as polymethyl methacrylate, synthetic fibers, prevent anti-tampering cylinder and the interference of protective cover to antenna assembly, electronic compass and gps receiver.
Compared with prior art, the present invention has the following advantages:
1, the both sides of the index dial on this swing mechanism are provided with bevel ring gear, bevel ring gear is close and smart, bevel gear on servomotor two driver output axles, thereby drive index dial to rotate, drive antenna assembly to rotate, because the both sides of index dial are equipped with bevel ring gear, and in the middle of being sandwiched in by two bevel gears, delay in the time of can making transmission is little, precision is high.
2, for the impact on supporting bracket horizontal attitude of the parts that reduce supporting bracket top as far as possible, and balancing weight is set, balancing weight is contrary with the swaying direction of antenna assembly all the time, in the time of can solving antenna assembly offset supports plate center, cause the unbalanced problem of supporting bracket, the quality of balancing weight decides according to the quality of antenna assembly and size, when making, through test of many times and adjustment, while making antenna assembly swing to optional position, all can make the dead in line of closing center of gravity and supporting bracket of all weights in supporting bracket top, make supporting bracket keep in theory absolute level.
Accompanying drawing explanation
Fig. 1 is the structural representation of ship this tracking means under level.
Fig. 2 is the structural representation of ship this tracking means under heeling condition.
Fig. 3 is that this tracking means is removed the perspective view after anti-tampering cylinder and gravity block.
Fig. 4 is that this tracking means is removed the explosive view after anti-tampering cylinder.
Fig. 5 is the explosive view of this swing mechanism.
In figure, 1, anti-tampering cylinder; 21, supporting bracket; 22, slide plate; 23, smooth surface one; 24, smooth surface two; 25, suspension rod; 26, gravity block; 31, servomotor one; 32, rotating disk; 33, antenna assembly; 34, electronic compass; 35, gps receiver; 36, boat-carrying computer; 41, fork; 42, index dial; 43, bevel ring gear; 44, servomotor two; 45, bevel gear; 51, baffle plate; 52, transverse slat; 53, bearing pin; 54, swing arm; 55, balancing weight; 6, convex tendon; 7, protective cover, 8, clamping plate; 9, plane bearing.
Embodiment
Be below specific embodiments of the invention by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
As depicted in figs. 1 and 2, swing mechanism in a kind of ship-board antenna tracking means, tracking means comprises an anti-tampering cylinder 1 that is installed in hull top, the opening part of the upper end of anti-tampering cylinder 1 is provided with a supporting bracket 21, the outer rim of supporting bracket 21 is installed with a slide plate 22, the outer surface of slide plate 22 has smooth surface 1, shown in the inner surface of upper end of anti-tampering cylinder 1 be smooth surface 2 24, smooth surface 1 and smooth surface 2 24 are spherical calotte, slide plate 22 is connected to the upper end open place of anti-tampering cylinder 1, smooth surface 1 leans with smooth surface 2 24 and both energy relative slidings, the lower end of supporting bracket 21 is installed with a suspension rod 25, suspension rod 25 is positioned on the center line of supporting bracket 21 and is vertical with supporting bracket 21, the lower end of suspension rod 25 is installed with a gravity block 26, the upper end of supporting bracket 21 is provided with a servomotor 1, the housing of servomotor 1 and supporting bracket 21 are connected, on the output shaft of servomotor, be installed with a rotating disk 32, rotating disk 32 is provided with antenna assembly 33, between antenna assembly 33 and rotating disk 32, be provided with the swing mechanism can driven antenna assembly 33 swinging in the plane perpendicular to rotating disk 32, tracking means also comprises an electronic compass 34 being connected with servomotor 1 and a gps receiver being connected with pendulous device 35.
In this tracking means, because supporting bracket 21 can keep level preferably, and can accumulated error, thereby can not affect the compensation at corner and the elevation angle, make corner and the elevation angle inaccurate, three is separate, can better to satellite, follow the tracks of applicable various environment.
As shown in Fig. 3, Fig. 4 and Fig. 5, swing mechanism comprises two forks 41 that are connected with antenna assembly 33, between two forks 41, be installed with one division dish 42, the two sides of index dial 42 have bevel ring gear 43, fork 41 is hinged on rotating disk 32, is also installed with a servomotor 2 44 on rotating disk 32, is installed with two bevel gears that are parallel to each other 45 on the output shaft of servomotor 2 44, the conical surface of two bevel gears 45 is relative, and is meshed with two bevel ring gears 43 of index dial 42 respectively.Bevel ring gear 43 is close and smart, bevel gear 45 on servomotor 2 44 driver output axles, thereby drive index dial 42 to rotate, drive antenna assembly 33 to rotate, rotating disk 32 is provided with two along the baffle plate 51 of rotating disk 32 radial line symmetries, between two baffle plates 51, be provided with two transverse slats 52, index dial 42 is connected with fork 41 by a bearing pin 53, and bearing pin 53 is plugged on two transverse slats 52 and index dial 42 is sandwiched between two transverse slats 52.Because the both sides of index dial 42 are equipped with bevel ring gear 43, and in the middle of being sandwiched in by two bevel gears 45, delay in the time of can making transmission is little, precision is high.
On rotating disk 32, be hinged with two along the swing arm 54 of rotating disk 32 radial line symmetries, the lower end of swing arm 54 and rotating disk 32 are hinged, and the upper end of swing arm 54 is installed with a balancing weight 55, and the lower end of the middle part of swing arm 54 and fork 41 is hinged, the dead in line of closing center of gravity and supporting bracket 21 of the supporting bracket 21 all weights in top, for the impact on supporting bracket 21 horizontal attitudes of the parts that reduce supporting bracket 21 tops as far as possible, and balancing weight 55 is set, balancing weight 55 is contrary with the swaying direction of antenna assembly 33 all the time, in the time of can solving antenna assembly 33 offset supports Ban21 center, cause the unbalanced problem of supporting bracket 21, the quality of balancing weight 55 decides according to the quality of antenna assembly 33 and size, when making, through test of many times and adjustment, while making antenna assembly 33 swing to optional position, all can make the dead in line of closing center of gravity and supporting bracket 21 of the supporting bracket 21 all weights in top, make supporting bracket 21 keep in theory absolute level.
Smooth surface 1 is provided with a restriction supporting bracket 21 relative to anti-tampering cylinder 1 convex tendon rotating 6, supporting bracket 21 can swing along smooth surface 2 24, but can not rotate, in order to avoid the rotation of rotating disk 32 is caused to interference, this tracking means also comprises a boat-carrying computer 36, and electronic compass 34, gps receiver 35, servomotor 1 and servomotor 2 44 are all connected with boat-carrying computer 36.
As depicted in figs. 1 and 2; the upper end of anti-tampering cylinder 1 is covered with a hemisphere protective cover 7; anti-tampering cylinder 1 and 7 pairs of whole tracking means of protective cover seal; eliminate weather, man-made environment and the impact of birds on tracking means; guarantee precision and the reliability of tracking means, anti-tampering cylinder 1 and protective cover 7 are nonmetallic materials and make.Anti-tampering cylinder 1 and protective cover 7 can be made for materials such as polymethyl methacrylate, synthetic fibers, prevent the interference of anti-tampering cylinder 1 and 7 pairs of antenna assemblies 33 of protective cover, electronic compass 34 and gps receiver 35.
As shown in Figure 1, in implementation process, gravity block 26 is cone-shaped, and the small end of gravity block 26 is connected upward and with suspension rod 25, in limited space, reduce as much as possible the center of gravity of gravity block 26, make supporting bracket 21 better maintenance levels, in the upper end of suspension rod, set firmly clamping plate 8, in clamping plate 8 and supporting bracket 21, by a plane bearing 9, be connected.
The tracking of this tracking means is:
Keep carrier level: the top that anti-tampering cylinder 1 is installed in to boats and ships, and keep plumbness with hull, the center position that is arranged on the supporting bracket 21 in anti-tampering cylinder 1 is installed with a suspension rod 25, these suspension rod 25 lower ends set firmly a gravity block 26, the slide plate 22 being connected with supporting bracket 21 is slidably connected at the opening part of anti-tampering cylinder 1, it should be noted that: it is the smooth surface 1 of sphere that the outer surface of slide plate 22 is one, this sphere forms after removing upper and lower spherical crown by a complete sphere, symmetrical structure centered by this sphere, and this sphere take middle part level cross-sectionn as the plane of symmetry symmetrical up and down, the inwall of the opening of anti-tampering cylinder 1 is provided with the smooth surface 2 24 coordinating with this smooth surface 1, smooth surface 1 and smooth surface 2 24 contact and are mutually spacing, supporting bracket 21 can be freely swung at anti-tampering cylinder 1, when receiving the impacts such as stormy waves at ship and occurring rocking, gravity block 26 gravitates point to ground ball center all the time, keep level, comparing traditional transducer controls, the mode of mechanical compensation, there is immediate error in this structure, but can be according to extending suspension rod 25, the mode that increases the weight of gravity block 26 reduces this immediate error, key is, there is not the problem of accumulated error in this structure, without manpower frequent maintenance and calibration, compare in other prior aries, by weight, realize the mode of level, the supporting bracket 21 of this structural correspondence and pin joint are in same plane, be that hull is when rock, this supporting bracket 21 can reach absolute level in theory, after miscellaneous part being installed in supporting bracket 21, also can well reduce immediate error, improve positional accuracy,
Corner compensation: electronic compass 34 detects ship orientation, according to the position of the satellite searching, draws the corner that satellite departs from, and compensates this corner by servomotor 1;
Elevation angle compensation: the position of gps receiver 35 location ships, can calculate the line between vertical line, earth's surface vertical point and the ship between the vertical earth's surface of line, satellite between ship and satellite, three's form right angle triangle, can away from the distance of ship, calculate the pin of facing upward that antenna alignment need to adjust according to ship, swing mechanism completes the compensation to satellite in good time.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (6)
1. the swing mechanism in a ship-board antenna tracking means, it is characterized in that, described tracking means comprises anti-tampering cylinder (1) and the antenna assembly (33) that are installed in hull top, in described anti-tampering cylinder (1), be provided with the rotating disk (32) of a maintenance level, described swing mechanism comprises two forks (41) that are connected with described antenna assembly (33), between two forks (41), be installed with one division dish (42), the two sides of described index dial (42) have bevel ring gear (43), described fork (41) is hinged on described rotating disk (32), on described rotating disk (32), be also installed with a servomotor two (44), on the output shaft of described servomotor two (44), be installed with two bevel gears that are parallel to each other (45), the conical surface of two described bevel gears (45) is relative, and be meshed with two bevel ring gears (43) of index dial (42) respectively, described rotating disk (32) is provided with two along the baffle plate (51) of rotating disk (32) radial line symmetry, between two described baffle plates (51), be provided with two transverse slats (52), described index dial (42) is connected by a bearing pin (53) and fork (41), described bearing pin (53) is plugged in two transverse slats (52) above and described index dial (42) is sandwiched between two transverse slats (52).
2. the swing mechanism in ship-board antenna tracking means according to claim 1, it is characterized in that, on described rotating disk (32), be hinged with two along the swing arm (54) of rotating disk (32) radial line symmetry, the lower end of described swing arm (54) and rotating disk (32) are hinged, the upper end of described swing arm (54) is installed with a balancing weight (55), and the lower end of the middle part of described swing arm (54) and described fork (41) is hinged.
3. the swing mechanism in ship-board antenna tracking means according to claim 2, is characterized in that, the dead in line of closing center of gravity and described supporting bracket (21) of all weights in described supporting bracket (21) top.
4. the swing mechanism in ship-board antenna tracking means according to claim 3, it is characterized in that, described tracking means also comprises a boat-carrying computer (36) and gps receiver (35), and described servomotor two (44) is all connected with described boat-carrying computer (36) with gps receiver (35).
5. the swing mechanism in ship-board antenna tracking means according to claim 4, is characterized in that, the upper end of described anti-tampering cylinder (1) is covered with a hemisphere protective cover (7).
6. the swing mechanism in ship-board antenna tracking means according to claim 5, is characterized in that, described anti-tampering cylinder (1) and protective cover (7) are nonmetallic materials and make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310478860.1A CN103579760B (en) | 2013-10-14 | 2013-10-14 | Swing mechanism in a kind of ship-borne antenna tracker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310478860.1A CN103579760B (en) | 2013-10-14 | 2013-10-14 | Swing mechanism in a kind of ship-borne antenna tracker |
Publications (2)
| Publication Number | Publication Date |
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| CN103579760A true CN103579760A (en) | 2014-02-12 |
| CN103579760B CN103579760B (en) | 2015-10-07 |
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| CN201310478860.1A Expired - Fee Related CN103579760B (en) | 2013-10-14 | 2013-10-14 | Swing mechanism in a kind of ship-borne antenna tracker |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106152058A (en) * | 2016-08-03 | 2016-11-23 | 中山市风华稀柠照明设计有限公司 | A kind of light fixture of adjustable rising angle |
| CN114126098A (en) * | 2021-12-02 | 2022-03-01 | 山东国兴机器人联合研究院有限公司 | Communication base station for robot and arrangement method |
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| US3893123A (en) * | 1973-09-12 | 1975-07-01 | B E Ind | Combination gyro and pendulum weight stabilized platform antenna system |
| CN1122627A (en) * | 1993-05-07 | 1996-05-15 | 威斯坡尔技术有限公司 | Wobble yoke assembly |
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| CN114126098B (en) * | 2021-12-02 | 2024-04-26 | 山东国兴智能科技股份有限公司 | Communication base station for robot and laying method |
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