CN102059547B - Installing and regulating method and device of parabolic antenna sample plate - Google Patents
Installing and regulating method and device of parabolic antenna sample plate Download PDFInfo
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- CN102059547B CN102059547B CN2010105091634A CN201010509163A CN102059547B CN 102059547 B CN102059547 B CN 102059547B CN 2010105091634 A CN2010105091634 A CN 2010105091634A CN 201010509163 A CN201010509163 A CN 201010509163A CN 102059547 B CN102059547 B CN 102059547B
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Abstract
The invention discloses installing and regulating method and device of a parabolic antenna sample plate. A bracket is provided with a work table; the work table is provided with a hollow shaft; an antenna pedestal is sleeved on the hollow shaft; the upper end surface of the hollow shaft is provided with a spring; a first thrust bearing is arranged on the spring; the parabolic antenna sample plate is positioned above an antenna; a shaft of the parabolic antenna sample plate penetrates through the first thrust bearing, the spring and the hollow shaft; the lower end part of the sample plate shaft is a threaded segment; a second thrust bearing supports against the lower end surface of the hollow shaft; and the threaded segment is sleeved with a regulating nut; the spring is pressed and released to regulate a gap positioned between the detecting surface and the antenna reflecting surface of the parabolic antenna sample plate by rotating the regulating nut, and then a filler gauge is filled into the gap to detect the antenna reflecting surface. The invention is especially suitable for the installation and the regulation of the parabolic antenna sample plate and has the advantages of enhanced antenna installation efficiency, reduced labor intensity, high regulating accuracy, strong generality, and the like.
Description
Technical field
The present invention relates to a kind of installation adjusting method and device thereof, especially a kind of parabola antenna model installation adjusting method and device thereof that is used for the antenna reflective face testing process.
Background technology
Parabola is that parabola is axis Rotate 180 ° resulting curved surface with its symmetry axis.Parabola antenna is that reflecting surface is the symmetrical paraboloidal antenna of rotation, and promptly antenna reflective face is parabolic.In engineering, require antenna reflective face and former design parabola to fit like a glove, adhere to specification with the performance indications of guaranteeing antenna.In manufacturing, transportation and the installation process of antenna, antenna reflective face tends to be damaged, and reflecting surface can deform, and makes that antenna reflective face and former design parabola are not quite identical, thereby influences the performance of antenna.In the process that parabola antenna is installed, usually adopt the parabola model to detect the reflecting surface of parabola antenna, the bottom curve of parabola model is a standard parabola.Rotation parabola model, parabola that the rotation through parabola model bottom curve forms and the contrast between the reflecting surface, the reflecting surface of guaranteeing parabola antenna is for accurate parabolic.As shown in Figure 4, when detecting parabola antenna, the parabola model is provided with the model axle at place, parabola summit, and the center line of model axle overlaps with the symmetry axis of parabola model.Antenna base is installed on the hollow shaft; Hollow shaft is positioned at the reflecting surface center of parabola antenna; The axis of hollow shaft and the axis of reflecting surface coincide; The model axle is inserted in the hollow shaft, thus make antenna reflective face axis, parabola model symmetry axis, model axle central lines together.Model with the scanning antenna surface, when model is positioned at diverse location, uses clearance gauge to detect the gap between antenna reflective face and the model detection faces around the rotation of model shaft centre line, judges through the detection in gap whether reflecting surface is accurate parabola.When detecting, the size that needs to guarantee the gap keeps within the specific limits, and undersized then clearance gauge can't get into the gap, and oversize then being difficult to judges whether reflecting surface is accurate.
In the prior art; On the model axle, be arranged with packing ring 11; The shaft shoulder 512 butts in packing ring 11 upper surfaces and the model center breach also withstand model; The upper surface of packing ring 11 lower surfaces and hollow shaft 3 connects, and adjusts the gap between antenna reflective face and the model through the axial length of adjustment packing ring 11.The axial length of packing ring 11 is adjusted through following method: process a packing ring 11 earlier, packing ring 11 according to Fig. 4 assembling, is detected the model detection faces with the gap between the reflecting surface with clearance gauge then.Too small like the gap, then reprocess a packing ring that axial length is bigger; Like excesssive gap; Then packing ring is pulled down the axial length that reduces packing ring through the mode of grinding; Packing ring and detector gap after the grinding then are installed once more,, reprocess a packing ring if the too small then packing ring in gap is discarded; If excesssive gap is then pulled down packing ring again and is carried out the secondary grinding, till the packing ring size to fit.This existing method; Need repeatedly dismounting packing ring, need the model that weight is very big to sling repeatedly during dismounting, and need repeatedly process packing ring; Need the configuration grinding machine; And the packing ring stock removal can cause packing ring to be scrapped when excessive, and the adjustment that generally needs 1 to 1.5 hours ability is accomplished an antenna detection gap has repeatedly dismounting, inefficiency, wastes time and energy, labour intensity is high, cause the problems such as waste of material easily; Because the size of the pedestal of different antennae there are differences, the packing ring that is applicable to an antenna just is not suitable for next or next group antenna probably, the packing ring that needs again the processing and fabricating size to be fit to, and the versatility of packing ring is poor.
Summary of the invention
The present invention is the weak point that exists in the above-mentioned prior art for avoiding, and a kind of parabola antenna model installation adjusting method and device thereof are provided, to increase work efficiency, to alleviate the labour intensity that day line tempte is installed.
The present invention adopts following technical scheme for the technical solution problem.
Parabola antenna model installation adjusting device; It is characterized in that support is provided with workbench; Antenna base places on the workbench; The end of hollow shaft that is positioned at the centre of workbench protrudes from outside the table top of workbench, and the antenna base that is provided with antenna reflective face places on the workbench, and hollow shaft inserts within the cylindrical cavity at antenna base center; The parabola model comprises model axle and the model body that is provided with detection faces; The model axle inserts within the hollow shaft; Be arranged with spring on the model axle; The model axle passes the end of an end of hollow shaft for being provided with externally threaded thread segment, is arranged with the adjustment nut that is used to adjust the gap between detection faces and the antenna reflective face on the thread segment.
The design feature of parabola antenna model installation adjusting device of the present invention also is:
Workbench on the said support is a horizontal table; Vertical hollow shaft is positioned at the centre of workbench; The upper end of hollow shaft protrudes from the table top of workbench; The antenna base that antenna-reflected faces up places on the workbench, and the hollow shaft upper end inserts within the cylindrical cavity at antenna base center; The upper end of model axle is provided with the shaft shoulder; Be provided with the spring and first thrust bearing between the shaft shoulder and the hollow shaft upper surface; The parabola model is positioned at the antenna top; The model axle of parabola model passes first thrust bearing, spring and hollow shaft successively, and the bottom of model axle is for being provided with externally threaded thread segment, and second thrust bearing that is sheathed on the model axle is butted on the lower surface of hollow shaft; The model axle passes second thrust bearing and said thread segment stretches out second thrust bearing, is arranged with the adjustment nut that is used to adjust the gap between detection faces and the antenna reflective face on the thread segment.
Sheathed adjustment nut comprises the adjustment nut and adjusts nut down on the said thread segment.
The middle part of the detection faces of said model body is provided with breach, and the shaft shoulder that the upper end of model axle is provided with is positioned at breach.
Screw thread on the said thread segment is a fine thread, the fine thread of internal thread for matching with the fine thread of thread segment on the adjustment nut.
Use above-mentioned adjusting device to carry out the method for the installation adjustment of parabola antenna model, adjustment be installed according to following steps:
A, antenna base is placed on the workbench, makes the cylindrical cavity at antenna base center be placed on the hollow shaft, the axis of cylindrical cavity and the axis of hollow shaft coincide;
B, on the model axle sheathed spring;
C, mobile parabola model also make the model axle aim at the center of hollow shaft, make the model axle pass hollow shaft;
D, the adjustment nut is installed on the thread segment of model axle bottom;
E, rotation parabola model, if the gap between observation parabola model and the antenna reflective face is the moderate clearance gauge detector gap of then using in gap; If excesssive gap or too small; Then rotate the adjustment nut, the size of adjusting play is moderate until gap length; Use the clearance gauge detector gap then, and judge whether antenna reflective face meets the requirements.
In addition, in the step that adjustment is installed:
Among the step b, on the model axle before the sheathed spring or after the sheathed spring, sheathed first thrust bearing on the model axle.
Among the step c, make the model axle pass hollow shaft after, sheathed second thrust bearing in model axle bottom makes the lower surface of second thrust bearing and hollow shaft connect, and then carries out steps d, holds second thrust bearing by adjusting nut.
Compared with present technology, beneficial effect of the present invention is embodied in:
Among the present invention, adopt Laian County such as support, workbench, spring, thrust bearing, adjustment nut to debug whole parabola model, utilize the characteristics of spring; Adjust the length of spring through the adjustment nut, thus adjustment parabola model detection faces and antenna reflective face between the gap, can adjust accurately the gap through nut with fine thread; Overall structure is simple, and method of adjustment is simple and flexible, time saving and energy saving; The general time that only needs a few minutes; Can accomplish the adjustment work in an antenna detection gap, reduce the labour intensity that antenna is installed, improve operating efficiency.Adjusting device of the present invention and method do not receive the influence of antenna base dimensional tolerance, are applicable to many, the installation of multiple batches of antenna adjustment, applied range, and versatility is more intense.Parabola antenna model installation adjusting device of the present invention and method; Parts such as the spring that adopts, thrust bearing, adjustment nut are standard component and are simple and easy to processing parts; Realize having advantages such as operating efficiency, reduction labour intensity, the adjustment accuracy that can improve antenna and install are high, simple in structure, time saving and energy saving, highly versatile easily.
The present invention is particularly useful for the antenna reflective face testing process, is used in the detection faces of antenna installation process adjustment day line tempte and the gap between the antenna reflective face, so that carry out the testing of antenna reflective face.
Description of drawings
Fig. 1 is the cutaway view of parabola antenna model installation adjusting device of the present invention.
Fig. 2 is the partial enlarged drawing of A among Fig. 1.
Fig. 3 is the partial enlarged drawing of B among Fig. 1.
Fig. 4 is the cutaway view of the installation adjusting device of prior art.
Label in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, the accompanying drawing 4: 1 support, 2 workbench, 3 hollow shafts, 4 antenna bases, antenna reflective face 41; 5 parabola models, 51 model axles, 511 thread segments, 512 shaft shoulders, 52 model bodies; 521 detection faces, 522 breach, 6 springs, 7 first thrust bearings; 8 second thrust bearings are adjusted nut on 9,10 times adjustment nuts, 11 packing rings.
Below pass through the specific embodiment, and combine accompanying drawing that the present invention is described further.
The specific embodiment
Referring to Fig. 1, Fig. 2, Fig. 3; Parabola antenna model installation adjusting device; It is characterized in that support 1 is provided with workbench 2, antenna base 4 places on the workbench 2, and the end of hollow shaft 3 that is positioned at the centre of workbench 2 protrudes from outside the table top of workbench 2; The antenna base 4 that is provided with antenna reflective face 41 places on the workbench 2, and hollow shaft 3 inserts within the cylindrical cavity at antenna base 4 centers; Cylindrical cavity is coaxial with antenna reflective face 41, and the axis of hollow shaft 3 and the axis of cylindrical cavity coincide, and promptly the axis of the axis of hollow shaft 3 and antenna reflective face 41 coincides; Parabola model 5 comprises model axle 51 and the model body 52 that is provided with detection faces 521; Model axle 51 inserts within the hollow shaft 3; Be arranged with spring 6 on the model axle 51; Model axle 51 passes the end of an end of hollow shaft 3 for being provided with externally threaded thread segment 511, is arranged with the adjustment nut that is used to adjust the gap between detection faces 521 and the antenna reflective face 41 on the thread segment 511.Workbench 2 on the support 1 is a horizontal table 2; Vertical hollow shaft 3 is positioned at the centre of workbench 2; The upper end of hollow shaft 3 protrudes from the table top of workbench 2; Antenna reflective face 41 antenna base 4 up places on the workbench 2, and hollow shaft 3 upper ends insert within the cylindrical cavity at antenna base 4 centers; The upper end of model axle 51 is provided with the shaft shoulder 512, is provided with the spring 6 and first thrust bearing 7 between the shaft shoulder 512 and hollow shaft 3 upper surfaces; The upper surface of hollow shaft 3 is provided with spring 6, the first thrust bearings 7 and places on the spring 6, and first thrust bearing, 7 lower surfaces and spring 6 connect, and the lower surface of the upper surface of first thrust bearing 7 and the shaft shoulder 512 connects; In practical operation, the position of the spring 6 and first thrust bearing 7 can exchange setting; Parabola model 5 is positioned at the antenna top; The model axle 51 of parabola model 5 passes first thrust bearing 7, spring 6 and hollow shaft 3 successively; The bottom of model axle 51 is for being provided with externally threaded thread segment 511, and second thrust bearing 8 that is sheathed on the model axle 51 is butted on the lower surface of hollow shaft 3; Second thrust bearing 8 is located between the lower surface and last adjustment nut 9 of hollow shaft 3; Model axle 51 passes second thrust bearing 8 and said thread segment 511 stretches out second thrust bearing 8, is arranged with the adjustment nut that is used to adjust the gap between detection faces 521 and the antenna reflective face 41 on the thread segment 511.Sheathed adjustment nut comprises adjustment nut 9 and adjusts nut 10 down on the thread segment 511.The middle part of the detection faces 521 of model body 52 is provided with breach 522, and the shaft shoulder 512 that the upper end of model axle 51 is provided with is positioned at breach 522, and the upper surface of the 512 times anchor rings of the shaft shoulder and first thrust bearing 7 connects; Supporting parabola model 5, the first thrust bearings 7 by first thrust bearing 7 is supported by spring 6; Semi-cylindrical connecting portion (not shown) through on the shaft shoulder 512 is connected model axle 51 with model body 52; Connecting portion is a semicolumn; Which is provided with a plurality of screws; Position corresponding on the model body 52 also is provided with screw, through screw just model axle 51 be fixed together with model body 52.Screw thread on the thread segment 511 is a fine thread, the fine thread of internal thread for matching with the fine thread of thread segment 511 on the adjustment nut.
Wherein, the main effect of adjusting nut on is the upper-lower position of adjustment parabola model; When adjusting nut in the rotation, can compress or pull-off spring the upper-lower position of adjustment model, thereby the detection faces of adjustment model and the gap between the antenna reflective face.The main effect of adjusting nut down is to prevent that the adjustment nut is issuable loosening and make the model axle produce axial float in the model rotation process, and changes the detector gap size, influence assembling accuracy of detection.The main effect of first thrust bearing and second thrust bearing is to bear axial force; Reduce the friction and wear between each parts; The friction and wear between spring and model, the hollow shaft particularly; And can effectively prevent the axial float of model axle, and constant to guarantee detector gap, the final precision that guarantees that assembling detects.The model axle is with being little matched in clearance between the hollow shaft, and quality of fit is higher, and the rotating accuracy of model is to rely on the model axle to realize with the little matched in clearance between the hollow shaft.
Thrust bearing is set, greatly reduces friction, wearing and tearing,, can rotate model like a cork with handled easily, owing to need rotate at least in the assembling testing process of every antenna thousands of times, thereby can reduce the labour intensity that adjustment process is installed.Thrust bearing also can effectively prevent the model axial float, keeps accuracy of detection, and this is because frictional force is when big; Be prone to cause the adjustment nut loosening when rotating model; And cause model to move along the axis direction of model axle, and cause detector gap to change, influence precision even cause antenna defective.
In the present embodiment, the installation adjusting method of parabola antenna model carries out as follows:
On the upper surface of hollow shaft 3, place spring 6, make the axis of spring 6 inner chambers and the axis of hollow shaft 3 coincide, it is also coaxial with hollow shaft 3 on spring 6, to place first thrust bearing, 7, the first thrust bearings 7;
Parabola model 5 is sling and made model axle 51 aim at the center of first thrust bearing 7; Parabola model 5 is slowly put down; Make model axle 51 pass first thrust bearing 7, spring 6, hollow shaft 3 successively, until the shaft shoulder 512 of parabola model 5 bottoms and the upper surface butt of first thrust bearing 7, along with the decline of parabola model 5; Spring 6 constantly is compressed; The resilient force of compressed spring 6 supports parabola model 5 by first thrust bearing 7 on first thrust bearing 7, stretch out outside the hollow shaft 3 lower end of model axle 51; Parabola model 5 is at the state that under the effect of the holding power of the gravity and first thrust bearing 7, keeps stress balance;
Put second thrust bearing 8 in the lower end of model axle 51; The lower surface of the upper surface of second thrust bearing 8 and hollow shaft 3 connects, and the thread segment 511 of model axle 51 lower ends passes outside second thrust bearing 8;
The adjustment nut is installed on the thread segment of model axle 51 bottoms; Two adjustment nuts can be set, promptly go up adjustment nut 9 and following adjustment nut 10; Last adjustment nut 9 is mainly used in the upper-lower position that holds out against second thrust bearing 8 and adjustment parabola model 5; Under adjust nut 10 and be mainly used in and prevent the adjustment nut loosening, can and adjust along with 9 adjustment of last adjustment nut;
Rotate parabola model 5, if the gap between observation parabola model 5 and the antenna reflective face 41 is the moderate clearance gauge detector gap of then using in gap; If excesssive gap or too small then rotates the adjustment nut, the size of adjusting play; Moderate until gap length; To allow clearance gauge to be inserted as suitable with lucky in the gap, uses the clearance gauge detector gap then, and judge whether antenna reflective face meets the requirements.
Radar antenna with the 2.4m bore is an example, the about 60Kg of parabola model deadweight.When carrying out testing, model is that armrest promotes along the rotation of axis, and this thrust is less, is generally 10～20 newton.According to parameters such as model deadweight, axial adjustment scopes, confirm that the nut pretightning force is 400～600 newton.Take all factors into consideration various parameters, select for use spring parameter following: individual pen rigidity P '
d=9.709 kilograms/millimeter, maximum working load P
n=116.040 kilograms (II class), spring wire diameter d=8mm, mean diameter of coil D
2=75.0mm, pitch t=24.73mm, wire material are 65Mn (hardness HRC45-48 after the heat treatment), free height H
0=60mm, number of active coils n=2, number of total coils n
1=4, working depth scope H=39 ± 3mm.The adjustment nut selects for use tooth apart from being the fine thread of 1.5mm; 5 ° of nut revolutions then move axially 360 °=0.02mm of 1.5mm * 5 ° ÷, when rotating the adjustment nut with spanner; At every turn can be with the swing numerical control built in 3 ° with interior (promptly less than 5 °); And antenna precision is 0.3, and clearance gauge is one grade with 0.05mm and detects that the adjustment precision can satisfy instructions for use fully.In the present embodiment, bearing selects for use model to be: GB/T301-1995, single direction thrust ball bearing 51212 (0 grade).
In the working site of reality, antenna reflective face also can be laterally disposed, perhaps is obliquely installed, and adjusts support and model accordingly, also can satisfy the installation adjustment requirement of parabola antenna model.
Among the present invention, adopt Laian County such as support, workbench, spring, thrust bearing, adjustment nut to debug whole parabola model, utilize the characteristics of spring; Adjust the length of spring through the adjustment nut, thus adjustment parabola model detection faces and antenna reflective face between the gap, can adjust accurately the gap through nut with fine thread; Overall structure is simple, and method of adjustment is simple and flexible, time saving and energy saving; The general time that only needs a few minutes; Can accomplish the adjustment work in an antenna detection gap, reduce the labour intensity that antenna is installed, improve operating efficiency.Adjusting device of the present invention and method do not receive the influence of antenna base dimensional tolerance, are applicable to many, the installation of multiple batches of antenna adjustment, applied range, and versatility is more intense.Parabola antenna model installation adjusting device of the present invention and method; Parts such as the spring that adopts, thrust bearing, adjustment nut are standard component and are simple and easy to processing parts; Realize having advantages such as operating efficiency, reduction labour intensity, the adjustment accuracy that can improve antenna and install are high, simple in structure, time saving and energy saving, highly versatile easily.
The present invention is particularly useful for the installation and the testing process of antenna reflective face, is used in the detection faces of antenna installation process adjustment day line tempte and the gap between the antenna reflective face, so that carry out the installation and the testing of antenna reflective face.
Claims (4)
1. parabola antenna model installation adjusting device; Support (1) is provided with workbench (2); Antenna base (4) places on the workbench (2); The end of hollow shaft (3) that is positioned at the centre of workbench (2) protrudes from outside the table top of workbench (2), and the antenna base (4) that is provided with antenna reflective face (41) places on the workbench (2), and hollow shaft (3) inserts within the cylindrical cavity at antenna base (4) center; Parabola model (5) comprises model axle (51) and is provided with the model body (52) of detection faces (521); Model axle (51) inserts within the hollow shaft (3); It is characterized in that being arranged with on the model axle (51) spring (6); Model axle (51) passes the end of an end of hollow shaft (3) for being provided with externally threaded thread segment (511), is arranged with the adjustment nut that is used to adjust the gap between detection faces (521) and the antenna reflective face (41) on the thread segment (511);
Workbench (2) on the support (1) is horizontal table (2); Vertical hollow shaft (3) is positioned at the centre of workbench (2); The upper end of hollow shaft (3) protrudes from the table top of workbench (2); Antenna reflective face (41) antenna base (4) up places on the workbench (2), and hollow shaft (3) upper end inserts within the cylindrical cavity at antenna base (4) center; The upper end of model axle (51) is provided with the shaft shoulder (512); Be provided with spring (6) and first thrust bearing (7) between the shaft shoulder (512) and hollow shaft (3) upper surface; Parabola model (5) is positioned at antenna base (4) top; The model axle (51) of parabola model (5) passes first thrust bearing (7), spring (6) and hollow shaft (3) successively; The bottom of model axle (51) is for being provided with externally threaded thread segment (511); Second thrust bearing (8) that is sheathed on the model axle (51) is butted on the lower surface of hollow shaft (3), and model axle (51) passes second thrust bearing (8) and said thread segment (511) stretches out second thrust bearing (8), is arranged with the adjustment nut that is used to adjust the gap between detection faces (521) and the antenna reflective face (41) on the thread segment (511);
Said thread segment (511) is gone up sheathed adjustment nut and is comprised adjustment nut (9) and adjust nut (10) down;
The middle part of the detection faces (521) of said model body (52) is provided with breach (522), and the shaft shoulder (512) that the upper end of model axle (51) is provided with is positioned at breach (522).
2. parabola antenna model installation adjusting device according to claim 1 is characterized in that the screw thread on the said thread segment (511) is a fine thread, the fine thread of internal thread for matching with the fine thread of thread segment (511) on the adjustment nut.
3. use the installation adjusting method of the parabola antenna model installation adjusting device of claim 1, it is characterized in that carrying out as follows:
A, antenna base (4) is placed on the workbench (2), makes the cylindrical cavity at antenna base (4) center be placed on the hollow shaft (3), the axis of the axis of cylindrical cavity and hollow shaft (3) coincides;
B, go up sheathed spring (6) at model axle (51);
C, mobile parabola model (5) also make model axle (51) aim at the center of hollow shaft (3), make model axle (51) pass hollow shaft (3);
D, the adjustment nut is installed on the thread segment of model axle (51) bottom;
E, rotation parabola model (5), the gap between observation parabola model (5) and the antenna reflective face (41) is if the moderate clearance gauge detector gap of then using in gap; If excesssive gap or too small; Then rotate the adjustment nut, the size of adjusting play is moderate until gap length; Use the clearance gauge detector gap then, and judge whether antenna reflective face meets the requirements.
4. installation adjusting method according to claim 3; It is characterized in that among the step c, make model axle (51) pass hollow shaft (3) after, sheathed second thrust bearing (8) in model axle (51) bottom; And then carry out steps d, hold second thrust bearing (8) by the adjustment nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105091634A CN102059547B (en) | 2010-10-18 | 2010-10-18 | Installing and regulating method and device of parabolic antenna sample plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105091634A CN102059547B (en) | 2010-10-18 | 2010-10-18 | Installing and regulating method and device of parabolic antenna sample plate |
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| Publication Number | Publication Date |
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| CN102059547A CN102059547A (en) | 2011-05-18 |
| CN102059547B true CN102059547B (en) | 2012-07-04 |
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| CN2010105091634A Expired - Fee Related CN102059547B (en) | 2010-10-18 | 2010-10-18 | Installing and regulating method and device of parabolic antenna sample plate |
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| CN (1) | CN102059547B (en) |
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| CN102749068B (en) * | 2012-07-14 | 2015-02-11 | 安徽博微长安电子有限公司 | Installation precision detection method for planar array antenna surface |
| CN103776345A (en) * | 2013-09-06 | 2014-05-07 | 贵州振华天通设备有限公司 | Method and device for detecting sample plate of antenna primary side precision |
| CN103639947B (en) * | 2013-12-20 | 2016-06-08 | 北方通用电子集团有限公司 | The reflecting surface assembly tooling of high-precision real face and assembly method thereof |
| CN103822618B (en) * | 2014-03-19 | 2016-04-27 | 哈尔滨工业大学 | The installation detecting device of heavy caliber radial rib antenna floor |
| CN104832616B (en) * | 2015-05-28 | 2017-03-29 | 成都宏明双新科技股份有限公司 | The micro-adjusting mechanism that a kind of adjustable vertical Nogata is moved up |
| CN104816154B (en) * | 2015-05-28 | 2017-03-08 | 成都宏明双新科技股份有限公司 | The double-deck micro-adjusting mechanism that a kind of adjustable vertical Nogata moves up |
| CN105588536B (en) * | 2015-08-27 | 2018-09-28 | 广东通宇通讯股份有限公司 | The measuring device of the precision of the antenna reflector surface |
| 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 |
| CN106767644B (en) * | 2017-02-22 | 2023-02-21 | 长春工业大学 | Generator for revolution symmetric curved surface |
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| CN102059547A (en) | 2011-05-18 |
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