CN203242751U - Reflection surface of lightweight novel high-precision antenna - Google Patents
Reflection surface of lightweight novel high-precision antenna Download PDFInfo
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- CN203242751U CN203242751U CN 201320250509 CN201320250509U CN203242751U CN 203242751 U CN203242751 U CN 203242751U CN 201320250509 CN201320250509 CN 201320250509 CN 201320250509 U CN201320250509 U CN 201320250509U CN 203242751 U CN203242751 U CN 203242751U
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Abstract
The utility model discloses a reflection surface of a lightweight novel high-precision antenna. The reflection surface relates to the fields of satellite communication, radio measurement and control, deep space detection and large-scale radio telescope. The reflection surface comprises a skin, a longitudinal rib beam, a Z-type ring rib beam, an angle support and a plate-pressing strip. The skin is formed by a slotting process of aluminum alloy sheet material. The longitudinal rib beam and the Z-type ring rib beam are formed by a sectional material slotted and updated process. A seal and vacuum device is used to apply negative pressure to press the isolated elements such as the skin, the longitudinal rib beam, the Z-type ring rib beam, the angle support and the plate-pressing strip on a mold, and the isolated elements are pasted and solidified as a whole by an adhesive. After the vacuum negative pressure is released, an integrated antenna reflection surface unit is achieved, a plurality of which form the reflection surface of the novel high-precision antenna. The reflection surface is advantaged by being high in precision, light in weight, high in rigidity and good in conformality, and is particularly suitable for reflection surface panels of large- and medium-sized high-precision antenna in high frequency band.
Description
Technical field
The present invention relates to the manufacture method of a kind of novel high-precision antenna reflective face in the fields such as satellite communication, radio measurement and control, survey of deep space, large-scale radio telescope.The reflecting surface that is specially adapted to be operated in the above high-precision antenna panel of Ka frequency range and Q frequency range is made in batches.
Background technology
The demand for development antenna working frequency range of the communication technology, surface accuracy are more and more higher, and diameter is increasing.At present, large and medium-sized antenna reflective face mainly takes the piecemeal erection method to be assembled, and piecemeal quantity may be tens and even thousands of.Of this sort large-size antennae is from great, and the conformal precision is relatively relatively poor, and high to the servo-control system requirement in the rotary work process, the unit panel required precision is high.For the forming method of unit panel, after traditional riveting molding technique, honeycomb sandwich construction technique, the riveted joint more bonding high accuracy covering manufacturing process etc. have that internal stress is large, processing technology is complicated, panel short shortcoming in useful life.
Patent ZL201020243099.5 provides the novel high-precision that a kind of bending stiffness is large, specific strength is large, specific stiffness is large antenna reflective face, and this reflecting surface has the characteristics such as processing technology is simple, stable and reliable for performance, cheap for manufacturing cost, production environment is easy to realize, can produce in batches.
The purpose of this utility model provides a kind of light-weighted novel high-precision antenna reflective face, is the continuity of patent ZL201020243099.5.The utility model is made improvement to unit muscle beam framework, no longer adopts large rigidity Z-type material unit muscle beam framework structure, has reduced moment of inertia, has improved on the one hand the conformal precision of unit panel; On the other hand, the vertical muscle rigidity of unit panel increases relatively, is easy to the adjustment of active surface toucher, has improved reliability and the life-span of unit panel.
The purpose of this utility model is achieved in that
A kind of lightweight novel high-precision antenna reflective face, comprise covering 1 and the muscle beam framework that is bonded in covering 1 back side, the muscle beam framework comprises Z-type material ring muscle beam 2-1, vertical muscle beam 2-2, L-type angle Support 3 and pressing article 4, it is characterized in that: described vertical muscle beam 2-2 comprises sill, vertical beam, entablature and middle cross beam, sill, vertical beam and entablature form the Z-type structure, middle cross beam is arranged on the sill and the vertical beam between the entablature of a side corresponding to entablature, and middle cross beam and entablature are for be arrangeding in parallel.
Wherein, the bottom surface of vertical muscle beam 2-2 sill is mutually bonding with the covering back side, and the bottom surface of Z-type material ring muscle beam 2-1 sill is mutually bonding with the covering back side, and the upper surface at the two ends of Z-type material ring muscle beam 2-1 entablature is mutually bonding with the lower surface of vertical muscle beam 2-1 middle cross beam.
Wherein, covering 1 consists of the antenna reflective face unit member by the aluminum alloy plate materials moulding of cracking, and Z-type material ring muscle beam 2-1 and vertical muscle beam 2-2 are made of aluminium alloy extrusions fluting school type.
Wherein, the thickness of covering 1 is 0.5 to 1.5 millimeter, and covering cracks, and length is 100 to 1000 millimeters; The sheet metal thickness of Z-type material ring muscle beam 2-1 and vertical muscle beam 2-2 is 1.5 to 3.5 millimeters, and Z-type material ring muscle beam 2-1 highly is 50 to 100 millimeters, and the fluting height is apart from 15 to 30 millimeters on top, and vertical muscle beam 2-2 highly is 100 to 200 millimeters, and the fluting height is apart from 15 to 50 millimeters on top; Vertical muscle beam 2-2 middle cross beam position height equals the height of Z-type material ring muscle beam 2-1.The sheet metal thickness of angle Support 3 is 2.0 to 4.0 millimeters; The sheet metal thickness of pressing article 4 is 1.5 to 2.5 millimeters.
The utility model is compared with background technology has following advantage:
1. the utility model has changed vertical muscle girder construction, and ring muscle size reduction has alleviated the antenna reflective face deadweight on the one hand, and the conformal precision improves; On the other hand, moment of inertia reduces, and improving antenna reflective face can be handling.
2. the utility model has changed the ratio of rigidity of unit muscle beam framework structure vertical and horizontal, and vertical muscle beam rigidity improves relatively, is more suitable for the adjustment of active surface toucher, has improved reliability and the life-span of unit panel.
3. the utility model adopts technique for sticking that unit muscle beam framework and covering curing are made to get the high-precision antenna reflector unit, muscle is slotted and covering cracks, and process costs is low, simple to operate, environment is easy to realize, be fit to very much batch production, be specially adapted to big-and-middle-sized reflector antenna, have widely engineering using value.
Description of drawings
Fig. 1 is the structural representation of covering;
Fig. 2 is the structural representation of Z-type material ring muscle beam;
Fig. 3 is the structural representation of vertical muscle beam;
Fig. 4 is the structural representation of angle Support;
Fig. 5 is the structural representation of pressing article;
Fig. 6 is structural representation of the present utility model;
In the accompanying drawing: 1 is that covering, 2-1 are that the vertical muscle beam of Z-type material ring muscle beam, 2-2,3 is that angle Support, 4 is pressing article.
Embodiment
Referring to figs. 1 through Fig. 6, the utility model is comprised of covering 1, Z-type material ring muscle beam 2-1, vertical muscle beam 2-2, angle Support 3, pressing article 4, and Fig. 6 is the structural representation of the utility model antenna reflective face unit.
The utility model covering 1 consists of the antenna reflective face unit member by the aluminum alloy plate materials moulding of cracking, Z-type material ring muscle beam 2-1 and vertical muscle beam 2-2 are made of aluminium alloy extrusions fluting school type, two ends upper surface adhesive coating at Z-type material ring muscle beam 2-1 entablature, the middle cross beam pressure of vertical muscle beam 2-2 is put on Z-type material ring muscle beam 2-1, be attached to the junction surface of Z-type material ring muscle beam 2-1 and vertical muscle beam 2-2 at the evagination flat coating adhesive of angle Support 3, inner sunken face adhesive coating at pressing article 4 is pressed the upper surface of putting at Z-type material ring muscle beam 2-1 and vertical muscle beam 2-2 slotted section, solidify to consist of reflecting surface unit muscle beam framework, by adhesive with covering 1 and the bonding integral body that is solidified into of unit muscle beam framework.
The thickness of the utility model covering (1) is 0.5 to 1.5 millimeter, and covering cracks, and length is 100 to 1000 millimeters; The sheet metal thickness of Z-type material ring muscle beam (2-1) and vertical muscle beam (2-2) is 1.5 to 3.5 millimeters, Z-type material ring muscle beam (2-1) highly is 50 to 100 millimeters, the fluting height is apart from 15 to 30 millimeters on top, and vertical muscle beam (2-2) highly is 100 to 200 millimeters, and the fluting height is apart from 15 to 50 millimeters on top; Vertical muscle beam (2-2) middle cross beam position height equals the height of Z-type material ring muscle beam (2-1).The sheet metal thickness of angle Support 3 is 2.0 to 4.0 millimeters; The sheet metal thickness of pressing article 4 is 1.5 to 2.5 millimeters.
The embodiment specific embodiment is as follows:
1. set up antenna Skinning Surfaces Mathematical Modeling, according to Design of Mathematical Model reflecting surface unit mould.Reflecting surface unit mould adopts cast iron materials, and the surface becomes high-precision enveloping surface through digital control processing.
2. according to Skinning Surfaces Mathematical Models spread material Mathematical Modeling, determine the spread material profile and the size of cracking, adopt the aluminum alloy plate materials of 1.5 millimeters thick, make covering 1 through numerical control processing technology, such as Fig. 1.
3. Z-type material ring muscle beam 2-1 adopts the aluminum alloy plate materials of 2.5 millimeters thick, highly be 90 millimeters, vertical muscle beam 2-2 adopts the aluminum alloy plate materials of 2.5 millimeters thick, highly is 155 millimeters, adopt the machined technique of aluminum alloy plate materials to consist of, the fluting height by mechanical processing technique school type, makes Z-type material ring muscle beam 2-1 attaching close to die curve apart from 30 millimeters on top, such as Fig. 2, by mechanical processing technique school type, make vertical muscle beam 2-2 attaching close to die curve, such as Fig. 3.
4. to adopt thickness be that 3.0 millimeters aluminum alloy plate materials is made through blanking cutting and bending for angle Support 3, such as Fig. 4, pressing article 4 employing thickness are that 2.5 millimeters aluminum alloy plate materials is made through the blanking cutting, by mechanical processing technique school type, pressing article 4 and die curve are attached, such as Fig. 5.
5. according to reflecting surface unit mould, Z-type material ring muscle beam 2-1, vertical muscle beam 2-2, angle Support 3, pressing article 4 design fixing tools, be used for the location and exert pressure.
6. by fixing tool Z-type material ring muscle beam 2-1 is fixed on the reflecting surface unit mould; At the two ends upper surface adhesive coating layer of Z-type material ring muscle beam 2-1 entablature, will indulge muscle beam 2-2 middle cross beam pressure and put on Z-type material ring muscle beam 2-1; Be attached to the junction surface of Z-type material ring muscle beam 2-1 and the vertical muscle beam 2-2 of profile shapes at the evagination flat coating adhesive of angle Support 3; Press the upper surface of putting at Z-type material ring muscle beam 2-1 and the vertical muscle beam 2-2 slotted section of profile shapes at the inner sunken face adhesive coating of pressing article 4; Apply contact by fixing tool and press, solidify formation Z-type material unit muscle beam framework.
7. use rubber belt sealing covering 1, adopt negative pressure of vacuum technique that it is pasted on reflecting surface unit mould, at covering 1 outer convex surface subscript note bonding plane object line, adhesive coating on bonding plane, unit muscle beam framework location pressed to put at covering 1 carry out bonding curing, remove adhesive tape after curing process finishes, discharge negative pressure of vacuum, finish the manufacturing of whole novel high-precision antenna reflective face unit.
8. polylith high-precision antenna reflector unit splicing forms lightweight novel high-precision antenna reflective face.
Claims (4)
1. lightweight novel high-precision antenna reflective face, comprise covering (1) and be bonded in the muscle beam framework at covering (1) back side, the muscle beam framework comprises Z-type material ring muscle beam (2-1), vertical muscle beam (2-2), L-type angle Support (3) and pressing article (4), it is characterized in that: described vertical muscle beam (2-2) comprises sill, vertical beam, entablature and middle cross beam, sill, vertical beam and entablature form the Z-type structure, middle cross beam is arranged on the sill and the vertical beam between the entablature of a side corresponding to entablature, and middle cross beam and entablature are for be arrangeding in parallel.
2. a kind of lightweight novel high-precision antenna reflective face according to claim 1, it is characterized in that: the bottom surface of vertical muscle beam (2-2) sill is mutually bonding with the covering back side, the bottom surface of Z-type material ring muscle beam (2-1) sill is mutually bonding with the covering back side, and the upper surface at the two ends of Z-type material ring muscle beam (2-1) entablature is mutually bonding with the lower surface of vertical muscle beam (2-1) middle cross beam.
3. a kind of lightweight novel high-precision antenna reflective face according to claim 1, it is characterized in that: covering (1) consists of the antenna reflective face unit member by the aluminum alloy plate materials moulding of cracking, and Z-type material ring muscle beam (2-1) and vertical muscle beam (2-2) are made of aluminium alloy extrusions fluting school type.
4. a kind of lightweight novel high-precision antenna reflective face according to claim 1, it is characterized in that: the thickness of covering (1) is 0.5 to 1.5 millimeter, and covering cracks, and length is 100 to 1000 millimeters; The sheet metal thickness of Z-type material ring muscle beam (2-1) and vertical muscle beam (2-2) is 1.5 to 3.5 millimeters, Z-type material ring muscle beam (2-1) highly is 50 to 100 millimeters, the fluting height is apart from 15 to 30 millimeters on top, and vertical muscle beam (2-2) highly is 100 to 200 millimeters, and the fluting height is apart from 15 to 50 millimeters on top; Vertical muscle beam (2-2) middle cross beam position height equals the height of Z-type material ring muscle beam (2-1); The sheet metal thickness of angle Support 3 is 2.0 to 4.0 millimeters; The sheet metal thickness of pressing article 4 is 1.5 to 2.5 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320250509 CN203242751U (en) | 2013-05-10 | 2013-05-10 | Reflection surface of lightweight novel high-precision antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320250509 CN203242751U (en) | 2013-05-10 | 2013-05-10 | Reflection surface of lightweight novel high-precision antenna |
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| CN203242751U true CN203242751U (en) | 2013-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320250509 Expired - Fee Related CN203242751U (en) | 2013-05-10 | 2013-05-10 | Reflection surface of lightweight novel high-precision antenna |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104891790A (en) * | 2015-04-13 | 2015-09-09 | 东南大学 | Symmetrical concentrated force and uniformly distributed load coupling bending forming device and application thereof |
| CN106654593A (en) * | 2016-12-20 | 2017-05-10 | 盐城市星地通信设备有限公司 | Main reflector interchange structure of satellite communication earth station antenna and technology for main reflector interchange structure |
-
2013
- 2013-05-10 CN CN 201320250509 patent/CN203242751U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104891790A (en) * | 2015-04-13 | 2015-09-09 | 东南大学 | Symmetrical concentrated force and uniformly distributed load coupling bending forming device and application thereof |
| CN104891790B (en) * | 2015-04-13 | 2017-07-18 | 东南大学 | A kind of symmetrical concentrated force couples hot bending device and its application with evenly load |
| CN106654593A (en) * | 2016-12-20 | 2017-05-10 | 盐城市星地通信设备有限公司 | Main reflector interchange structure of satellite communication earth station antenna and technology for main reflector interchange structure |
| CN106654593B (en) * | 2016-12-20 | 2018-03-16 | 盐城市星地通信设备有限公司 | A kind of satellite communication earth station antenna main reflector interchange structure and its technique |
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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 |
Granted publication date: 20131016 Termination date: 20210510 |
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| CF01 | Termination of patent right due to non-payment of annual fee |