CN205657160U - Straight line drives parallelly connected antenna pedestal mechanism of three degrees of freedom - Google Patents
Straight line drives parallelly connected antenna pedestal mechanism of three degrees of freedom Download PDFInfo
- Publication number
- CN205657160U CN205657160U CN201620515072.4U CN201620515072U CN205657160U CN 205657160 U CN205657160 U CN 205657160U CN 201620515072 U CN201620515072 U CN 201620515072U CN 205657160 U CN205657160 U CN 205657160U
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- China
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- connecting rod
- rotary hinge
- platform
- antenna
- hinged
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Abstract
The utility model provides a move platform, one and allocate the platform that straight line drives parallelly connected antenna pedestal mechanism of three degrees of freedom is used for installing the antenna main part by one and a to connect the branch and constitute, each is connected branch and goes up connecting rod, a lower connecting rod, a compound ball pivot, an electronic jar and four rotatory hinges by one and constitute, and go up connecting rod and lower connecting rod and connect with moving the platform, allocate the table -hinges respectively that the three structure of is the same. The one end that goes up the connecting rod is connected through compound ball pivot with the one end of connecting rod down, and it has the support column to put processing at the central point who allocates the platform, and the connecting seat is installed on the top of support column, and the cylinder body bottom of electronic jar articulates through the rotation with the connecting seat that corresponds, installs connecting seat, the push rod top and the connecting seat hinge of electronic jar under on the connecting rod. This mechanism satisfies the continuous tracer request of the satellite antenna work arbitrary gesture in airspace. The utility model discloses a straight line driving method drives link motion down, improves connecting rod atress down, improves the rigidity of mechanism, increases the bearing capacity of antenna pedestal.
Description
Technical field
This utility model relates to a kind of linear drives freedom degree parallel connection antenna pedestal mechanism, belongs to antenna assembly field, be applied to space remote sensing,
In fixed, vehicular, machine-carried type in satellite communication and ship borne type satellite earth antenna.
Background technology
Satellite antenna is typically made up of antenna reflector one antenna mount of connection, and antenna pedestal is support and the orienting device of antenna, in order to make sky
Line can be according to predetermined track or follow target travel, and its structure affects the performance indications of antenna complete machine to a great extent.
At present, known space remote sensing is used the elevation-azimuth type antenna of classics in the world, and its zenith position also exists one cannot " mistake
Top " continuous " blind cone " region followed the tracks of, the size (cone-apex angle of the blindest cone) in blind cone region depends on antenna and the distance of aircraft and aircraft water
Flat flight speed.At present, in engineering reality, more options are avoiding the satellite transit track local construction satellite ground station antenna through antenna zenith.
The remote sensing satellite antenna of traditional classical is followed the tracks of continuously owing to the existence in blind cone region cannot realize work spatial domain any attitude, it is difficult to meets and defends
The demand that star signal and data work the most continuously.
Utility model content
The purpose of this utility model is to solve the problem that prior art exists, it is provided that a kind of without crossing the antenna subarrays pushing up " blind area ", to
Solve antenna in work spatial domain continuous tracking problem, meet satellite-signal and demand that data work the most continuously.
This utility model is achieved through the following technical solutions:
A kind of linear drives freedom degree parallel connection antenna pedestal mechanism, by one in order to install the moving platform of antenna body, a fixed platform and three
The connection branch composition that structure is identical, as above each connect branch by a upper connecting rod, lower link, compound spherical hinge, one
Electric cylinder and four rotary hinge compositions.
Upper connecting rod and lower link are hinged with moving platform, fixed platform respectively, and three rotary hinge hinged with the moving platform of above-mentioned antenna pedestal are around moving platform
Central axis is separated by 120 ° and is uniformly distributed.Three rotary hinge hinged with fixed platform are separated by 120 ° around fixed platform central axis and are uniformly distributed.
One end of upper connecting rod is connected by compound spherical hinge with one end of lower link.
As mentioned above its structure of compound spherical hinge composition includes: bulb, ball-and-socket, ball-and-socket end cap, and bulb is connected as a single entity with upper connecting rod, ball-and-socket and under
One end of connecting rod is hinged, and bulb is limited in the spherical cavity being made up of ball-and-socket and ball-and-socket end cap, the upper connecting rod being connected with bulb be limited in ball-and-socket with
Among the chute that ball-and-socket end cap is constituted.This structure can realize the connecting rod 360 ° of rotations around own axes, ball-and-socket, ball-and-socket end cap and upper connecting rod three
The entirety of composition is around 360 ° of rotations of lower link axis, and meanwhile, upper connecting rod can swing in sliding tray.
Being machined with support column in the center of fixed platform, the top of support column is provided with connection seat, the cylinder body bottom of electric cylinder and corresponding company
Joint chair is hinged by rotary hinge.
Being provided with connection seat on lower link, it is hinged that the push rod top of electric cylinder is connected seat with this.
The utility model has the advantage of:
This mechanism meets the satellite antenna work spatial domain continuous tracer request of any attitude, can realize satellite-signal and data work the most continuously and need
Ask.
This utility model drives lower link to move by linear drives mode, drives lower link to move compared to by rotation type of drive, the former
Lower link stress can be improved, improve the rigidity of mechanism, increase the bearing capacity of antenna pedestal.
Accompanying drawing explanation
Fig. 1 is provided with the antenna pedestal mechanism structure schematic diagram of antenna；
Fig. 2 antenna pedestal branched structure schematic diagram；
Fig. 3 compound spherical hinge structural representation；
Fig. 4 electric cylinder mounting structure schematic diagram；
Fig. 5 fixed platform structural representation.
Reference: 1-moving platform；2 (2 ')-upper connecting rod；3 (3 ', 3 ")-lower links；301-connects seat；4 (4 ', 4 ")-electric cylinders；401-
Cylinder body；402-push rod；5-fixed platform；501-support column；502-connects seat；6 (6 ', 6 ")-compound spherical hinges；601-bulb；602-ball-and-socket；603-
Ball-and-socket end cap；7 (7 ', 7 ")-rotary hinge；8 (8 ', 8 ")-rotary hinge；9 (9 ', 9 ")-rotary hinge；10 (10 ')-rotary hinge.
Detailed description of the invention
A kind of linear drives freedom degree parallel connection antenna pedestal mechanism, by one in order to install the moving platform (1) of antenna body, a fixed platform (5)
The connection branch composition identical with three structures, as above connect branch by a upper connecting rod (2), lower link (3), compound spherical hinge (6),
One electric cylinder (4), a rotary hinge (7), a rotary hinge (8), a rotary hinge (9) and rotary hinge (10) composition.
As shown in Figure 1 and Figure 2, upper connecting rod (2) and moving platform (1) are hinged by rotary hinge (7), and lower link (3) and fixed platform (5) pass through rotary hinge
(8) hinged, three rotary hinge hinged with the moving platform of above-mentioned antenna pedestal (1) (7,7 ', 7 ") are separated by 120 ° around moving platform (1) central axis and are uniformly distributed,
(8,8 ', 8 ") are separated by 120 ° around fixed platform (5) central axis and are uniformly distributed three rotary hinge hinged with fixed platform (5).
As shown in Figure 1 and Figure 2, one end of upper connecting rod (2) is connected by compound spherical hinge (6) with one end of lower link (3).
As it is shown on figure 3, the composition of compound spherical hinge (6) including as mentioned above: bulb (601), ball-and-socket (602), ball-and-socket end cap (603), bulb (601)
Being connected as a single entity with upper connecting rod (2), ball-and-socket (602) is hinged with one end of lower link (3), and bulb (601) is limited in by ball-and-socket (602) and ball-and-socket end cap (603)
In the spherical cavity constituted, the upper connecting rod (2) being connected with bulb (601) is limited among the chute that ball-and-socket (602) and ball-and-socket end cap (603) are constituted.This knot
Structure can realize the connecting rod (2) 360 ° of rotations around own axes, the entirety of ball-and-socket (602), ball-and-socket end cap (603) and upper connecting rod (2) three composition around under
360 ° of rotations of connecting rod (3) axis, meanwhile, upper connecting rod (2) can swing in sliding tray.
As shown in Figure 4, Figure 5, being machined with support column (501) in the center of fixed platform (5), the top of support column (501) is provided with connection seat
(502), cylinder body (401) bottom of electric cylinder (4) and corresponding connection seat (502) are hinged by rotary hinge (9), and the axis of rotary hinge (9) is connected point with same
In, rotary hinge (8) axis is parallel.
Lower link (3) is provided with connection seat (301), push rod (402) top of electric cylinder (4) by rotary hinge (10) with to be connected seat (301) hinged,
The axis of rotary hinge (10) is parallel with rotary hinge (9) axis in same connection branch.
Claims (1)
1. a linear drives freedom degree parallel connection antenna pedestal mechanism, it is characterised in that described a kind of linear drives freedom degree parallel connection antenna base
Structure is formed in order to the connection branch installing the moving platform (1) of antenna body, fixed platform (5) and three structures identical by one, connects as above
Branch by a upper connecting rod (2), lower link (3), compound spherical hinge (6), electric cylinder (4), rotary hinge (7), rotary hinge (8),
One rotary hinge (9) and rotary hinge (10) composition, upper connecting rod (2) and moving platform (1) are hinged by rotary hinge (7), and lower link (3) leads to fixed platform (5)
Crossing rotary hinge (8) hinged, (7,7 ', 7 ") are separated by 120 ° around moving platform (1) central axis to three rotary hinge hinged with the moving platform of above-mentioned antenna pedestal (1)
Being uniformly distributed, (8,8 ', 8 ") are separated by 120 ° around fixed platform (5) central axis and are uniformly distributed three rotary hinge hinged with fixed platform (5), upper connecting rod (2)
One end of one end and lower link (3) be connected by compound spherical hinge (6), be machined with support column (501), support column (501) in the center of fixed platform (5)
Top connection seat (502) is installed, it is hinged that cylinder body (401) bottom of electric cylinder (4) and corresponding connection seat (502) pass through rotary hinge (9), rotary hinge (9)
Axis with same connection branch in rotary hinge (8) axis parallel, lower link (3) is provided with connection seat (301), electric cylinder (4) push rod (402) top
Holding by rotary hinge (10) with to be connected seat (301) hinged, the axis of rotary hinge (10) is parallel with the axis of rotary hinge (9) in same connection branch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620515072.4U CN205657160U (en) | 2016-05-31 | 2016-05-31 | Straight line drives parallelly connected antenna pedestal mechanism of three degrees of freedom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620515072.4U CN205657160U (en) | 2016-05-31 | 2016-05-31 | Straight line drives parallelly connected antenna pedestal mechanism of three degrees of freedom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205657160U true CN205657160U (en) | 2016-10-19 |
Family
ID=57405636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620515072.4U Expired - Fee Related CN205657160U (en) | 2016-05-31 | 2016-05-31 | Straight line drives parallelly connected antenna pedestal mechanism of three degrees of freedom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205657160U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654510A (en) * | 2016-11-04 | 2017-05-10 | 中国电子科技集团公司第五十四研究所 | Large working space variable driving parallel antenna seat mechanism |
| CN109103565A (en) * | 2018-10-18 | 2018-12-28 | 燕山大学 | Detachable portable parallel antenna |
-
2016
- 2016-05-31 CN CN201620515072.4U patent/CN205657160U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654510A (en) * | 2016-11-04 | 2017-05-10 | 中国电子科技集团公司第五十四研究所 | Large working space variable driving parallel antenna seat mechanism |
| CN106654510B (en) * | 2016-11-04 | 2024-02-20 | 中国电子科技集团公司第五十四研究所 | Large-working-space variable-drive parallel antenna pedestal mechanism |
| CN109103565A (en) * | 2018-10-18 | 2018-12-28 | 燕山大学 | Detachable portable parallel antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161019 Termination date: 20170531 |