CN104502187A - Base for performing decoupling load test on reflective surface angle and displacement of spaceborne cylindrical antenna - Google Patents
Base for performing decoupling load test on reflective surface angle and displacement of spaceborne cylindrical antenna Download PDFInfo
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- CN104502187A CN104502187A CN201410848727.5A CN201410848727A CN104502187A CN 104502187 A CN104502187 A CN 104502187A CN 201410848727 A CN201410848727 A CN 201410848727A CN 104502187 A CN104502187 A CN 104502187A
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Abstract
The invention discloses a base for performing decoupling load test on a reflective surface angle and displacement of a spaceborne cylindrical antenna, and belongs to the technical field of spaceborne cylindrical antennas. The coupling phenomenon between the angle and displacement load applied at the two ends of a cylindrical antenna is avoided. The base comprises a leveling base, a three-jaw base connector, a base platform adapting piece, an angle and displacement platform and a mounting connection piece, wherein the angle and displacement platform is connected with the leveling base by virtue of the three-jaw base connector and the base platform adapting piece; the mounting connection piece is arranged on the angle and displacement platform and is of a cuboid structure; a flange disc is arranged at the lower end of the mounting connection piece and is fixedly connected with the upper surface of the angle and displacement platform by screws. The base can be used for decoupling the reflective surface angle and displacement load of the cylindrical antenna.
Description
Technical field
The invention belongs to spaceborne cylinder antenna technical field, be specifically related to a kind of spaceborne cylinder antenna reflecting face and displacement decoupling zero load test pedestal.
Background technology
There is the Forming Theory of the spaceborne cylinder antenna of a class high precision to be the angle and the displacement load that apply design at reflecting surface two ends, realize high-precision shape face configuration.Find in cylinder antenna development and expansion experimentation, coupling phenomenon is there is between the angle that cylinder antenna two ends apply and displacement load, namely cylinder antenna two ends end line often cannot ensure to overlap with rotating shaft axis, when causing occurring applying angle load to reflecting surface, there is certain displacement in reflecting surface end face; When applying displacement load to reflecting surface, the angle of reflecting surface end face also changes.Such coupling phenomenon is not easy to the accurate loading of angle to cylinder antenna end face and displacement, has had a strong impact on cylinder antenna reflecting surface surface accuracy experimental test.
Summary of the invention
The object of the invention is to there is the problem of coupling phenomenon in order to what solve that cylinder antenna two ends apply between angle and displacement load, provide a kind of spaceborne cylinder antenna reflecting face and displacement decoupling zero load test pedestal, its technical scheme is as follows:
A kind of spaceborne cylinder antenna reflecting face and displacement decoupling zero load test pedestal, it comprises leveling pedestal, three-jaw dock connector, base platform adaptor, angle displacement platform and installation connecting element, angle displacement platform is connected on leveling pedestal by three-jaw dock connector and base platform adaptor, three-jaw dock connector is arranged on leveling pedestal, described base platform adaptor comprises dock connector link, C type post shell and platform joint flange, dock connector link is made up of one block of plectane and the vertical edge being positioned at plectane lower edge, the internal diameter on vertical edge and the diameter of three-jaw dock connector coincide, a circular hole is provided with in the center of plectane, dock connector link is arranged on the upper end of three-jaw dock connector, fixed by nut after the coupling bolt that three-jaw dock connector upper end comprises is passed by circular hole, a breach is provided with in the side of dock connector link, make vertical along can not being stopped by the clamping screw that three-jaw dock connector side comprises, dock connector link is fixedly connected with platform joint flange by a C type post shell, and convenient being stretched into by spanner of the indentation, there of C type post shell operates nut, and platform joint flange is screwed with angle displacement platform and is connected,
Angle displacement platform is provided with installation connecting element, installation connecting element adopts rectangular structure, installation connecting element is provided with screw, the lower end of installation connecting element is provided with ring flange, ring flange is fixedly connected with by the upper surface of screw with angle displacement platform, a side A of installation connecting element overlaps with the diameter A of angle displacement platform upper surface in the projection of angle displacement platform upper surface, a side B in two sides adjacent with this side A of installation connecting element leaves gap between the projection and the diameter B perpendicular to diameter A of angle displacement platform upper surface of angle displacement platform upper surface, cylinder antenna reflecting surface is overlapped with diameter B in the projection of angle displacement platform upper surface with the coupling part of installation connecting element.
Beneficial effect of the present invention is: the present invention effectively can eliminate the coupling phenomenon of angle and displacement load when cylinder antenna reflecting surface loads, and is of value to the accurate loading realizing cylinder antenna angle and displacement by several pedestal reasonable Arrangement;
The present invention can be used for other test units needing to apply accurate angle and displacement, and purposes scope is wide.
accompanying drawing illustrates:
Fig. 1 is the structural representation of embodiments of the present invention two;
Fig. 2 is the exploded view of Fig. 1;
Fig. 3 is the structural representation of base platform adaptor in the present invention;
Fig. 4 is the schematic diagram of the installation connecting element of embodiments of the present invention two;
Fig. 5 is the exploded view of Fig. 4;
Fig. 6 is the schematic top plan view of embodiments of the present invention two.
embodiment:
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of spaceborne cylinder antenna reflecting face and displacement decoupling zero load test pedestal, it comprises leveling pedestal 1, three-jaw dock connector 2, base platform adaptor 3, angle displacement platform 4 and installation connecting element 5, angle displacement platform 4 is connected on leveling pedestal 1 by three-jaw dock connector 2 and base platform adaptor 3, three-jaw dock connector 2 is arranged on leveling pedestal 1, described base platform adaptor 3 comprises dock connector link 3-1, C type post shell 3-2 and platform joint flange 3-3, dock connector link 3-1 is by one piece of plectane 3-1-1 and be positioned at the vertical of plectane 3-1-1 lower edge and form along 3-1-2, the diameter of the vertical internal diameter along 3-1-2 and three-jaw dock connector 2 coincide, a circular hole 3-1-3 is provided with in the center of plectane 3-1-1, dock connector link 3-1 is arranged on the upper end of three-jaw dock connector 2, the coupling bolt that three-jaw dock connector 2 upper end comprises is fixed by nut after being passed by circular hole 3-1-3, the side of dock connector link 3-1 is provided with a breach 3-1-4, make to stand and can not be stopped by the clamping screw that three-jaw dock connector 2 side comprises along 3-1-2, dock connector link 3-1 is fixedly connected with platform joint flange 3-3 by a C type post shell 3-2, and convenient being stretched into by spanner of the indentation, there of C type post shell 3-2 operates nut, and platform joint flange 3-3 is screwed with angle displacement platform 4 and is connected,
Angle displacement platform 4 is provided with installation connecting element 5, installation connecting element 5 adopts rectangular structure, installation connecting element 5 is provided with screw 5-1, the lower end of installation connecting element 5 is provided with ring flange 5-2, ring flange 5-2 is fixedly connected with by the upper surface of screw with angle displacement platform 4, a side A5-3 of installation connecting element 5 overlaps with the diameter A4-1 of angle displacement platform 4 upper surface in the projection of angle displacement platform 4 upper surface, a side B5-4 in two sides adjacent with this side A5-3 of installation connecting element 5 leaves gap between the projection and the diameter B4-2 perpendicular to diameter A4-1 of angle displacement platform 4 upper surface of angle displacement platform 4 upper surface, cylinder antenna reflecting surface is overlapped with diameter B4-2 in the projection of angle displacement platform 4 upper surface with the coupling part of installation connecting element 5.
Embodiment one, described installation connecting element 5 is fixedly connected with ring flange 5-2, according to the thickness of conventional cylinder antenna reflecting surface and the THICKNESS CALCULATION of cylinder antenna reflecting face edge back up pad, the gap of side B5-4 between the projection and diameter B4-2 of angle displacement platform 4 upper surface is 3.125 millimeters.
Embodiment two, described installation connecting element 5 is slidably connected with ring flange 5-2, the upper surface of ring flange 5-2 is provided with slideway 5-2-1, the lower surface of installation connecting element 5 is provided with slide block 5-2-2, the slide block 5-2-2 of installation connecting element 5 lower surface is arranged in the slideway 5-2-1 of ring flange 5-2 upper surface, slide block 5-2-2 is provided with jackscrew 5-2-3, the position of installation connecting element 5 can be fixed, one of the installation connecting element 5 side A5-3 parallel with slideway 5-2-1 overlaps with the diameter A4-1 of angle displacement platform 4 upper surface in the projection of angle displacement platform 4 upper surface, a side B5-4 in two sides adjacent with this side A5-3 of installation connecting element 5 the projection of angle displacement platform 4 upper surface and angle displacement platform 4 upper surface perpendicular to diameter A4-1 diameter B4-2 between distance can be adjusted by sliding slider 5-2-2, the cylinder antenna reflecting surface of different-thickness can be overlapped with diameter B4-2 with the projection of the coupling part of installation connecting element 5 at angle displacement platform 4 upper surface.
Claims (4)
1. a spaceborne cylinder antenna reflecting face and displacement decoupling zero load test pedestal, it is characterized in that it comprises angle displacement platform (4) and installation connecting element (5), angle displacement platform (4) is provided with installation connecting element (5), installation connecting element (5) adopts rectangular structure, installation connecting element (5) is provided with screw (5-1), the lower end of installation connecting element (5) is provided with ring flange (5-2), ring flange (5-2) is fixedly connected with by the upper surface of screw with angle displacement platform (4), a side A (5-3) of installation connecting element (5) overlaps with the diameter A (4-1) of angle displacement platform (4) upper surface in the projection of angle displacement platform (4) upper surface, a side B (5-4) in two sides adjacent with this side A (5-3) of installation connecting element (5) leaves gap between the projection and the diameter B (4-2) perpendicular to diameter A (4-1) of angle displacement platform (4) upper surface of angle displacement platform (4) upper surface, cylinder antenna reflecting surface is overlapped with diameter B (4-2) in the projection of angle displacement platform (4) upper surface with the coupling part of installation connecting element (5).
2. as right will a kind of spaceborne cylinder antenna reflecting face and displacement decoupling zero load test pedestal as described in note 1, it is characterized in that described installation connecting element (5) is fixedly connected with ring flange (5-2), the gap of side B (5-4) between the projection and diameter B (4-2) of angle displacement platform (4) upper surface is 3.125 millimeters.
3. as right will a kind of spaceborne cylinder antenna reflecting face and displacement decoupling zero load test pedestal as described in note 1, it is characterized in that described installation connecting element (5) and ring flange (5-2) are slidably connected, the upper surface of ring flange (5-2) is provided with slideway (5-2-1), the lower surface of installation connecting element (5) is provided with slide block (5-2-2), the slide block (5-2-2) of installation connecting element (5) lower surface is arranged in the slideway (5-2-1) of ring flange (5-2) upper surface, slide block (5-2-2) is provided with jackscrew (5-2-3), one of installation connecting element (5) the side A (5-3) parallel with slideway (5-2-1) overlaps with the diameter A (4-1) of angle displacement platform (4) upper surface in the projection of angle displacement platform (4) upper surface, a side B (5-4) in two sides adjacent with this side A (5-3) of installation connecting element (5) the projection of angle displacement platform (4) upper surface and angle displacement platform (4) upper surface perpendicular to diameter A (4-1) diameter B (4-2) between distance can pass through sliding slider (5-2-2) and adjust.
4. as right will a kind of spaceborne cylinder antenna reflecting face and displacement decoupling zero load test pedestal as described in note 1, it is characterized in that it comprises leveling pedestal (1), three-jaw dock connector (2) and base platform adaptor (3), angle displacement platform (4) is connected on leveling pedestal (1) by three-jaw dock connector (2) and base platform adaptor (3), three-jaw dock connector (2) is arranged on leveling pedestal (1), described base platform adaptor (3) comprises dock connector link (3-1), C type post shell (3-2) and platform joint flange (3-3), dock connector link (3-1) is made up of one piece of plectane (3-1-1) and the vertical edge (3-1-2) that is positioned at plectane (3-1-1) lower edge, the diameter of the vertical internal diameter along (3-1-2) and three-jaw dock connector (2) coincide, a circular hole (3-1-3) is provided with in the center of plectane (3-1-1), dock connector link (3-1) is arranged on the upper end of three-jaw dock connector (2), the coupling bolt that three-jaw dock connector (2) upper end comprises is fixed by nut after being passed by circular hole (3-1-3), a breach (3-1-4) is provided with in the side of dock connector link (3-1), the vertical clamping screw that can not be comprised by three-jaw dock connector (2) side along (3-1-2) is stopped, dock connector link (3-1) is fixedly connected with platform joint flange (3-3) by C type post shell (3-2), and platform joint flange (3-3) is screwed with angle displacement platform (4) and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410848727.5A CN104502187B (en) | 2014-12-31 | 2014-12-31 | Spaceborne cylinder antenna reflecting face decouples load test pedestal with displacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410848727.5A CN104502187B (en) | 2014-12-31 | 2014-12-31 | Spaceborne cylinder antenna reflecting face decouples load test pedestal with displacement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104502187A true CN104502187A (en) | 2015-04-08 |
| CN104502187B CN104502187B (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410848727.5A Active CN104502187B (en) | 2014-12-31 | 2014-12-31 | Spaceborne cylinder antenna reflecting face decouples load test pedestal with displacement |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4994816A (en) * | 1988-04-08 | 1991-02-19 | Kabushiki Kaisha Toshiba | Portable antenna apparatus |
| US20110193764A1 (en) * | 2010-02-09 | 2011-08-11 | Azure Shine International Inc. | Antenna mount |
| US20120280875A1 (en) * | 2009-10-16 | 2012-11-08 | Ems Technologies Canada, Ltd. | Spherical perturbation of an array antenna |
| CN203551416U (en) * | 2013-11-16 | 2014-04-16 | 浙江中星光电子科技有限公司 | Test device for marine satellite antenna rotary joint |
-
2014
- 2014-12-31 CN CN201410848727.5A patent/CN104502187B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4994816A (en) * | 1988-04-08 | 1991-02-19 | Kabushiki Kaisha Toshiba | Portable antenna apparatus |
| US20120280875A1 (en) * | 2009-10-16 | 2012-11-08 | Ems Technologies Canada, Ltd. | Spherical perturbation of an array antenna |
| US20110193764A1 (en) * | 2010-02-09 | 2011-08-11 | Azure Shine International Inc. | Antenna mount |
| CN203551416U (en) * | 2013-11-16 | 2014-04-16 | 浙江中星光电子科技有限公司 | Test device for marine satellite antenna rotary joint |
Non-Patent Citations (2)
| Title |
|---|
| 游斌弟等: "关节铰间隙对漂浮基星载天线扰动的研究", 《宇航学报》 * |
| 葛升民等: "星载大型空间天线的一种解耦控制方法", 《宇航学报》 * |
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| Publication number | Publication date |
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| CN104502187B (en) | 2016-09-14 |
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