CN204230435U - A kind of high accuracy lightweight large-scale antenna for radio astronomy reflector mould - Google Patents
A kind of high accuracy lightweight large-scale antenna for radio astronomy reflector mould Download PDFInfo
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- CN204230435U CN204230435U CN201420721618.2U CN201420721618U CN204230435U CN 204230435 U CN204230435 U CN 204230435U CN 201420721618 U CN201420721618 U CN 201420721618U CN 204230435 U CN204230435 U CN 204230435U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- 230000007480 spreading Effects 0.000 claims description 7
- 238000003892 spreading Methods 0.000 claims description 7
- 239000003610 charcoal Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 238000011049 filling Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Abstract
The utility model relates to a kind of high accuracy lightweight large-scale antenna for radio astronomy reflector mould, comprise the frame that spreads out, steel diaphragm, profile pipe, frp layer and for timber layer, steel diaphragm becomes array to be welded on to spread out on frame, the upper end of steel diaphragm forms a profile jointly, profile pipe dense arrangement is also welded in profile that steel diaphragm array provides, form profile tube layer, frp layer is laid in the profile tube layer of profile pipe formation, is laid on frp layer for timber layer.Compared with prior art, rigid structure of the present utility model is made up of steelframe, steel diaphragm and profile pipe, significantly reduces the weight of mould, and moulding surface structure is frp layer and forms for timber layer simultaneously, while reduction mold weight, provide excellent dimensional stability and vacuum pressurize ability.Mould of the present utility model has the advantages such as structure is simple, high-performance, low cost, high rigidity, low quality, Heat stability is good.
Description
Technical field
The utility model relates to a kind of antenna for radio astronomy, especially relates to a kind of high accuracy lightweight large-scale antenna for radio astronomy reflector mould.
Background technology
The usual layout of Radio Telescope Antenna is regional at the dry climate of drought, heatproof, the significant challenge that weather-proof, thermal deformation is antenna for radio astronomy material; Simultaneously in order to widen effective frequency range of antenna for radio astronomy, generally need the size strengthening antenna for radio astronomy.Bring some insoluble problems, as overweight or deterioration in accuracy etc. to the antenna for radio astronomy mould of use conventional steel structure at above-mentioned 2.
Chinese patent CN 101938041 A discloses a kind of accuracy antenna reflecting surface panel and manufacture method thereof, and it relates to a kind of antenna reflective face cell fabrication techniques in the fields such as satellite communication, radio measurement and control, survey of deep space, large-scale radio telescope.It adopts the Z-type material of school type fluting to realize the shaping of muscle beam, aluminum alloy plate materials fluting is adopted to realize the shaping of covering, negative pressure is applied by sealing and vacuum plant, the separation assemblies such as Z-type material muscle beam and covering are overlayed on mould and as a whole by the bonding curing molding of adhesive, after release negative pressure of vacuum, form high accuracy muscle fluting adhesive structure antenna reflective face unit.This patent is improved from aspects such as weight, precision, rigidity existing Reflector Panel, but this patent structure is comparatively complicated, and its precision and rigidity need to be improved further.
Utility model content
The purpose of this utility model be exactly provide to overcome defect that above-mentioned prior art exists that a kind of structure is simple, high-performance, low cost, high rigidity, low quality, Heat stability is good high accuracy lightweight large-scale antenna for radio astronomy reflector mould.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of high accuracy lightweight large-scale antenna for radio astronomy reflector mould, comprise the frame that spreads out, steel diaphragm, profile pipe, frp layer and for timber layer, described steel diaphragm becomes array to be welded on to spread out on frame, the upper end of steel diaphragm forms a profile jointly, described profile pipe dense arrangement is also welded in profile that steel diaphragm array provides, form profile tube layer, described frp layer is laid in the profile tube layer of profile pipe formation, and described is laid on frp layer for timber layer.
The described frame that spreads out is welded by girder, column and diagonal brace, and described girder, column and diagonal brace are square tube.
Be welded with location angle bar spreading out on frame, vertical of described steel diaphragm laminating location angle bar and be welded on and spread out on frame, described frame welding of spreading out is provided with positioning pipe, and the bottom of described steel diaphragm is provided with locating notch, and described locating notch is fastened on positioning pipe.
Between described profile pipe, filling has white carbon, is provided with hard charcoal black layer, described frp layer and for being provided with hard charcoal black layer between timber layer between described profile tube layer and frp layer.
Compared with prior art, rigid structure of the present utility model is made up of steelframe, steel diaphragm and profile pipe, significantly reduces the weight of mould, and moulding surface structure is frp layer and forms for timber layer simultaneously, while reduction mold weight, provide excellent dimensional stability and vacuum pressurize ability.Owing to adopting composite material, possesses the over-all properties of the high-performance required by Radio Telescope Antenna, low cost, high rigidity, lightweight, Heat stability is good, the high requirement of surface accuracy.The antenna reflector made with it and mould thereof, not only lightweight, and intensity and dimensional accuracy stability all very high.Meanwhile, adopt and spread out frame and be similar to the compartment structure of boats and ships, compared with solid metal, while identical supporting surface and bearing capacity are provided, can greatly alleviate the weight of mould.Both advantages being used, is namely advantage place of the present utility model.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is A place structure for amplifying schematic diagram in Fig. 1;
Fig. 3 is that in the utility model, steel diaphragm arranges schematic diagram along the frame long axis direction that spreads out;
Fig. 4 is B place structure for amplifying schematic diagram in Fig. 3;
Fig. 5 is profile tube layer, frp layer and the concrete structure schematic diagram for timber layer;
Fig. 6 is the subregion layout plan of the utility model mould.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Embodiment
A kind of high accuracy lightweight large-scale antenna for radio astronomy reflector mould, as shown in Figure 1, comprise the frame 1 that spreads out, steel diaphragm 2, profile pipe, frp layer 4 and for timber layer 5, steel diaphragm 2 one-tenth array is welded on and spreads out on frame 1, the upper end of steel diaphragm 2 forms a profile jointly, and profile pipe dense arrangement is also welded in profile that steel diaphragm 2 array provides, forms profile tube layer 3, frp layer 4 is laid in the profile tube layer 3 of profile pipe formation, is laid on frp layer 4 for timber layer 5.
As shown in Figure 2, along the short-axis direction of the frame 1 that spreads out, the frame 1 that spreads out welding is provided with positioning pipe 6, and the bottom of steel diaphragm 2 is provided with triangle locating notch, and locating notch is fastened on positioning pipe 6, realizes steel diaphragm 2 in the location of the short-axis direction on frame 1 of spreading out.As shown in Figure 3, Figure 4, along spreading out the long axis direction of frame 1, be welded with location angle bar 7 at the interval 500mm on frame 1 that spreads out, steel diaphragm 2 fits vertical of location angle bar 7 and be welded on and spread out on frame 1, realizes steel diaphragm 2 in the location of the long axis direction on frame 1 of spreading out.
Employing spreads out frame 1 as rigid structure for whole mould provides rigid support and loading end, adopts frp layer 4 to provide main vacuum pressurize ability, adopts and provide high-precision profile for timber layer 5.
The frame 1 that spreads out is welded by girder, column and diagonal brace, and girder, column adopt the square steel (thickness is 5mm) of 100mmx100mm, and diagonal brace adopts the square steel (thickness is 4mm) of 60mmx60mm.
Steel diaphragm 2 is 6mm hot rolled steel plate, and steel diaphragm 2 is sequentially welded on the spacing of 500mm and spreads out on frame 1; Profile pipe is the little square tube (thickness is 1.5mm) of 20mmx20mm, and after the bending of square tube bender device, dense arrangement is also welded in profile that steel diaphragm 2 array provides.Steelframe carries out annealing heat treatment after welding with steel diaphragm, profile pipe, to eliminate the internal stress of whole steel construction, reduces the distortion in use procedure.
As shown in Figure 5, the gap filling between profile pipe has white carbon, and the resin that can limit frp layer 4 can not flow out along gap, can improve the adhesive property of frp layer 4 pairs of profile pipes simultaneously.When pasting frp layer 4, the thickness of frp layer 4 can be controlled by the laying number controlling fiberglass, to reach certain technical requirement.Finally carry out corresponding Post RDBMS process.Hard charcoal black layer 8 is provided with, frp layer 4 and be provided with hard charcoal black layer 8 between timber layer 5 between profile tube layer 3 and frp layer 4.
The method that pastes for timber layer 5 is: stir pouring in mixer for wood gum and curing agent proportioning as requested, to take out for wood after color is even and rub, until after determining the abundant mixing of generation wood, be kneaded into little group Polypropylence Sheet to wrap up, put into extruder and roll out certain thickness fritter, be laid on glass fiber reinforced plastic surface gently., should there be the overlap joint of 5mm in generation when wood is laid, in order to avoid there is cavity 5 times for timber layer, simultaneously lap-joint should make real, smooth.Finally carry out corresponding Post RDBMS process.Then carry out fine finishining to for timber layer 5, repair the tiny holes in profile with white carbon, atomized ash, finally carry out polishing.
As shown in Figure 6, mould is divided into four sections along profile long axis direction, every section of independent forming mold, is finally stitched together again and forms complete mould, enable this large mold separately transport to adapt to overland transport requirement.
Above-mentioned is can understand for ease of those skilled in the art and use utility model to the description of embodiment.Person skilled in the art obviously easily can make various amendment to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the utility model is not limited to above-described embodiment, and those skilled in the art, according to announcement of the present utility model, do not depart from improvement that the utility model category makes and amendment all should within protection range of the present utility model.
Claims (4)
1. a high accuracy lightweight large-scale antenna for radio astronomy reflector mould, it is characterized in that, comprise the frame that spreads out, steel diaphragm, profile pipe, frp layer and for timber layer, described steel diaphragm becomes array to be welded on to spread out on frame, the upper end of steel diaphragm forms a profile jointly, and described profile pipe dense arrangement is also welded in profile that steel diaphragm array provides, forms profile tube layer, described frp layer is laid in the profile tube layer of profile pipe formation, and described is laid on frp layer for timber layer.
2. a kind of high accuracy lightweight according to claim 1 large-scale antenna for radio astronomy reflector mould, is characterized in that, the described frame that spreads out is welded by girder, column and diagonal brace, and described girder, column and diagonal brace are square tube.
3. a kind of high accuracy lightweight according to claim 1 large-scale antenna for radio astronomy reflector mould, it is characterized in that, be welded with location angle bar spreading out on frame, vertical of described steel diaphragm laminating location angle bar and be welded on and spread out on frame, described frame welding of spreading out is provided with positioning pipe, the bottom of described steel diaphragm is provided with locating notch, and described locating notch is fastened on positioning pipe.
4. a kind of high accuracy lightweight according to claim 1 large-scale antenna for radio astronomy reflector mould, it is characterized in that, between described profile pipe, filling has white carbon, hard charcoal black layer is provided with, described frp layer and for being provided with hard charcoal black layer between timber layer between described profile tube layer and frp layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420721618.2U CN204230435U (en) | 2014-11-26 | 2014-11-26 | A kind of high accuracy lightweight large-scale antenna for radio astronomy reflector mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420721618.2U CN204230435U (en) | 2014-11-26 | 2014-11-26 | A kind of high accuracy lightweight large-scale antenna for radio astronomy reflector mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204230435U true CN204230435U (en) | 2015-03-25 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420721618.2U Expired - Fee Related CN204230435U (en) | 2014-11-26 | 2014-11-26 | A kind of high accuracy lightweight large-scale antenna for radio astronomy reflector mould |
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| Country | Link |
|---|---|
| CN (1) | CN204230435U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105459296A (en) * | 2015-12-23 | 2016-04-06 | 中国电子科技集团公司第五十四研究所 | Light-weight die for high-precision large-sized antenna for radio astronomy and manufacturing method thereof |
| CN109571816A (en) * | 2018-10-19 | 2019-04-05 | 上海复合材料科技有限公司 | Split type reflecting surface is glued assembling die |
-
2014
- 2014-11-26 CN CN201420721618.2U patent/CN204230435U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105459296A (en) * | 2015-12-23 | 2016-04-06 | 中国电子科技集团公司第五十四研究所 | Light-weight die for high-precision large-sized antenna for radio astronomy and manufacturing method thereof |
| CN109571816A (en) * | 2018-10-19 | 2019-04-05 | 上海复合材料科技有限公司 | Split type reflecting surface is glued assembling die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201100 room 2201-2202, block a, No. 2, Lane 58, Shenjian East Road, Minhang District, Shanghai Patentee after: SHANGHAI YUEKE NEW MATERIALS CO.,LTD. Address before: 201100 room 2201-2202, block a, No. 2, Lane 58, Shenjian East Road, Minhang District, Shanghai Patentee before: SHANGHAI YUEKE COMPOSITE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220107 Address after: 224237 No. 75, Yingbin Road, Dongtai Coastal Economic Development Zone, Yancheng City, Jiangsu Province Patentee after: JIANGSU YUEKE NEW MATERIAL Co.,Ltd. Address before: 201100 room 2201-2202, block a, No. 2, Lane 58, Shenjian East Road, Minhang District, Shanghai Patentee before: SHANGHAI YUEKE NEW MATERIALS CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 |
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| CF01 | Termination of patent right due to non-payment of annual fee |