CN205450242U - Microwave radiometer reference source is with polarization wiregrating rotary platform - Google Patents
Microwave radiometer reference source is with polarization wiregrating rotary platform Download PDFInfo
- Publication number
- CN205450242U CN205450242U CN201620225041.5U CN201620225041U CN205450242U CN 205450242 U CN205450242 U CN 205450242U CN 201620225041 U CN201620225041 U CN 201620225041U CN 205450242 U CN205450242 U CN 205450242U
- Authority
- CN
- China
- Prior art keywords
- gear teeth
- inner race
- wiregrating
- bearing
- bearing inner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to a microwave radiometer reference source is with polarization wiregrating rotary platform belongs to microwave radiometer calibration and space physics and measures the application. The polarization wiregrating is installed on carousel bearing inner race's mounting hole, and the input of motion is servo motor, and servo motor gives anti -backlash gear motion transmission, anti -backlash gear through with the outer circumference of carousel bearing inner race on the engaging movement of the teeth of a cogwheel to the polarization wiregrating that the messenger installed on carousel bearing inner race mounting hole rotates. The advantage lies in: simple structure and easily loading and unloading, low in manufacturing cost, the high and easily operation of control accuracy. The input of motion has the bearing inner race of the teeth of a cogwheel in through the drive turntable bearing, the motion directly the transmission give the polarization wiregrating, by a wide margin reduction rotary platform's system accumulative error, can satisfy the desired rotatory law that polarizes the wiregrating in space physics measurement field, accord with the structure technical requirement of reference source more.
Description
Technical field
This utility model relates to Calibration of Microwave Radiometer and space physics measures application, particularly to a kind of Calibration of Microwave Radiometer source polarization wiregrating rotation platform.
Background technology
Complete polarization microwave radiometer robot scaling equipment is for the radiation appliance of reference standard in uranometry and field in astrophysics.Mainly by polarization separation wiregrating, phase generator, polarization separation wiregrating rotation platform partly forms with driving control unit, mechanical structured member etc..Polarization separation wiregrating rotation platform is the key component of whole device, and while it requires upper-lower casing to maintain static, polarization wire frame needs to rotate.Then cross polarization incidence wave is by polarization wiregrating, forms transmission and reflecting effect, by the path length difference formed to carry out the measurement of result.
So the rotation platform of robot scaling equipment proposes the requirement of three aspects: firstly, because present Calibration of Microwave Radiometer source apparatus is generally shell structure, it is desirable to the quality of slew gear must be sufficiently small, to guarantee that the strength and stiffness of whole device are not destroyed；Secondly, the internal diameter size of turntable bearing and ring flange must be reasonable in design, it is ensured that cross polarization incidence wave normal through；Finally, it is to be ensured that running accuracy is high, and stability of rotation is controlled, the anglec of rotation of polarization wiregrating can require to be controlled according to relevant art.Existing rotation platform is substantially directed to general conventional machinery and is designed, after reference source, some rotation platforms it cannot be guaranteed that incidence wave normal through, nor be easy to polarize wiregrating installation；Remaining can not reach reference source at two aspects of weight and volume and use the degree of optimization required, can be that reference source is in housing and is in severe stress state after using, nor the control of wiregrating rotary motion of being easy to polarize.
Summary of the invention
The purpose of this utility model is to provide a kind of Calibration of Microwave Radiometer source polarization wiregrating rotation platform, solves the problems referred to above that prior art exists.This utility model is lightweight, simple in construction and be prone to handling, and drive system cumulative error is little, and polarization wiregrating running accuracy is high, must design for the rotation platform of reference source and propose a kind of new method.
Above-mentioned purpose of the present utility model is achieved through the following technical solutions:
Calibration of Microwave Radiometer source polarization wiregrating rotation platform, clearance elimination gear 3 is arranged on multidiameter, the side of multidiameter is connected by the main shaft of shaft coupling with servomotor 1, the opposite side of multidiameter is connected by the main shaft of shaft coupling with incremental encoder 2, by the installing hole on servomotor and incremental encoder, the outside of ring flange it is fixed in bolt, by thrust ball bearing as support at the strong point of multidiameter, the gear teeth of described clearance elimination gear 3 are meshed with the gear teeth on turntable bearing 4, positioned by corresponding pin-and-hole and bolt fastening makes polarization wiregrating 5 be arranged on the bearing inner race 401 with the gear teeth；During use, described rotation platform is being connected with reference source housing by ring flange 6.
Described turntable bearing 4 includes the bearing inner race 401 with the gear teeth, bearing outer ring 402, steel ball 403, described steel ball 403 is between bearing inner race 401 and the bearing outer ring 402 with the gear teeth, the described bearing inner race 401 with the gear teeth is double roller path structures, two identical bearing outer rings 402 are single roller path structure, are symmetrically distributed in bearing inner race 401 both sides with the gear teeth；The contact angle of bearing is 15 °.
Roughness before the described bearing inner race 401 with the gear teeth quenches is Ra5, roughness after quenching is Ra2.5, hardness is at 55-60HRC, finished product case depth is not less than 3mm, allowing the soft ribbons that length is not more than 16mm on circumference, two raceway soft ribbons of the described bearing inner race 401 with the gear teeth are at same position；The gear teeth of the described bearing inner race 401 with the gear teeth, the amount of change≤0.05mm of common normal after roll flute, radius of addendum is 305mm；The described centre-to-centre spacing with 401 liang of raceways of bearing inner race of the gear teeth is 22mm, and the transverse tooth thickness of the gear teeth is 20mm.
The gross thickness of described turntable bearing 4 is 36mm, a diameter of 8mm of steel ball 403.
Described is 4.13mm with the bearing inner race 401 of the gear teeth, the raceway radius of bearing outer ring 402, and raceway offset is 0.113mm.
After described ring flange 6, turntable bearing 4, the wiregrating 5 that polarizes are installed to reference source shell, as viewed from reference source shell cylindrical hole axis direction, the cylindrical hole visual field of reference source shell is not blocked.
Described ring flange 6 includes 601, No. two ring flanges 602 of a ring flange, during use, is positioned with reference source housing by pin-and-hole thereon, and fastened by bolt hole between 601, No. two ring flanges 602 of a described ring flange.
The interior shape of described ring flange 6 and size are closed with the profile of turntable bearing 4, matching size。
Described integral inclined 45 degree of wiregrating rotation platform of Calibration of Microwave Radiometer source polarization, to meet the technology use requirement of reference source.
The beneficial effects of the utility model are: simple in construction is prone to handling, and low cost of manufacture, control accuracy is high and easily operated.The input of motion is by driving in turntable bearing the bearing inner race with the gear teeth, motion is directly passed to the wiregrating that polarizes, significantly reduce the system cumulative error of rotation platform, disclosure satisfy that required by space physics fields of measurement polarization wiregrating rotation regulation, more conform to the structure technology requirement of reference source.Inner ring with the gear teeth uses double roller path structure, two identical gear teeth outer rings to use single roller path structure, and uses steel ball and raceway curvature, offset, the contact angle of specific dimensions.Internal diameter is big, beneficially the passing through of cross polarization incidence wave；Thickness is thin, it is ensured that the strength and stiffness of casing device；Finished product case depth is big, increases the service life of bearing.With the regulation by driving means of the inner ring of the gear teeth, reach the controllability of angle of revolution.And use steel ball and raceway curvature, offset, the contact angle of specific dimensions so that it is meet radius requirement relatively big while significantly reduce thickness and the volume of bearing, more conform to the technology requirement of reference source structure.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by of the present utility model, constitutes the part of the application, and illustrative example of the present utility model and explanation thereof are used for explaining this utility model, are not intended that improper restriction of the present utility model.
Fig. 1 is that axle of the present utility model measures intention；
Fig. 2 is internal structure schematic front view of the present utility model；
Fig. 3 is the generalized section of turntable bearing of the present utility model；
Fig. 4 is the structural representation of the raceway of turntable bearing of the present utility model；
Fig. 5 is the Tumbler disc bearing structure schematic diagram equipped with polarization wiregrating of the present utility model；
Fig. 6 is that a stub shaft of the present utility model measures intention；
Fig. 7 is that No. two stub shaft of the present utility model measure intention.
In figure: 1, servomotor；2, incremental encoder；3, clearance elimination gear；4, turntable bearing；5, polarization wiregrating；6, ring flange；401, with the bearing inner race of the gear teeth；402, bearing outer ring；403, steel ball；601, a ring flange；602, No. two ring flanges.
Detailed description of the invention
Further illustrate detailed content of the present utility model and detailed description of the invention thereof below in conjunction with the accompanying drawings.
Seeing shown in Fig. 1 and Fig. 2, Calibration of Microwave Radiometer source of the present utility model polarization wiregrating rotation platform, including servomotor 1, incremental encoder 2, clearance elimination gear 3, turntable bearing 4, polarization wiregrating 5 and ring flange 6；Turntable bearing 4 is made up of bearing inner race 401, bearing outer ring 402 and the steel ball 403 with the gear teeth；Ring flange 6 is divided into a ring flange 601 and No. two ring flanges 602.Clearance elimination gear 3 is arranged on multidiameter, the side of multidiameter is connected by the main shaft of shaft coupling with servomotor 1, the opposite side of multidiameter is connected by the main shaft of shaft coupling with incremental encoder 2, by the installing hole on servomotor and incremental encoder, the outside of ring flange it is fixed in bolt, by thrust ball bearing as support at the strong point of multidiameter, the gear teeth of described clearance elimination gear 3 are meshed with the gear teeth on turntable bearing 4, positioned by corresponding pin-and-hole and bolt fastening makes polarization wiregrating 5 be arranged on the bearing inner race 401 with the gear teeth；During use, described rotation platform is being connected with reference source housing by ring flange 6.The input of motion is servomotor 1, and 1 motion of servomotor is directly passed to clearance elimination gear 2, and clearance elimination gear 2 is by driving the gear teeth on the bearing inner race 401 of turntable bearing to rotate, so that the polarization wiregrating being arranged on turntable bearing rotates；In motor process, the signal of telecommunication that incremental encoder 2 gathers is transferred to controller, is controlled the characteristics of motion of servomotor 1 by controller, so that the polarization wiregrating 5 of outfan can require to rotate according to corresponding technology.
See shown in Fig. 3 to Fig. 5, turntable bearing 4 described in the utility model includes the bearing inner race 401 with the gear teeth, bearing outer ring 402, steel ball 403, described steel ball 403 is between bearing inner race 401 and the bearing outer ring 402 with the gear teeth, the described bearing inner race 401 with the gear teeth is double roller path structures, two identical bearing outer rings 402 are single roller path structure, are symmetrically distributed in bearing inner race 401 both sides with the gear teeth；The contact angle of bearing is 15 °.
Roughness before the described bearing inner race 401 with the gear teeth quenches is Ra5, roughness after quenching is Ra2.5, hardness is at 55-60HRC, finished product case depth is not less than 3mm, allowing the soft ribbons that length is not more than 16mm on circumference, two raceway soft ribbons of the described bearing inner race 401 with the gear teeth are at same position；The gear teeth of the described bearing inner race 401 with the gear teeth, the amount of change≤0.05mm of common normal after roll flute, radius of addendum is 305mm；The described centre-to-centre spacing with 401 liang of raceways of bearing inner race of the gear teeth is 22mm, and the transverse tooth thickness of the gear teeth is 20mm.
The gross thickness of described turntable bearing 4 is 36mm, a diameter of 8mm of steel ball 403.
Described is 4.13mm with the bearing inner race 401 of the gear teeth, the raceway radius of bearing outer ring 402, and raceway offset is 0.113mm.
In order to ensure cross polarization incidence wave be correctly installed to reference source shell normal through, ring flange 6, turntable bearing 4, polarization wiregrating 5 after, as viewed from reference source shell cylindrical hole axis direction, the cylindrical hole visual field of reference source shell will not be stopped by other part.
See shown in Fig. 6 and Fig. 7, ring flange 6 described in the utility model includes 601, No. two ring flanges 602 of a ring flange, during use, positioned with reference source housing by pin-and-hole thereon between 601, No. two ring flanges 602 of a described ring flange, and fastened by bolt hole.
The interior shape of described ring flange 6 and size are closed with the profile of turntable bearing 4, matching size, it is ensured that turntable bearing is supporting according to installation requirement and ring flange.
Integral inclined 45 degree of wiregrating rotation platform of Calibration of Microwave Radiometer source described in the utility model polarization, to meet the technology use requirement of reference source.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All any modification, equivalent substitution and improvement etc. being made this utility model, within should be included in protection domain of the present utility model.
Claims (9)
1. a Calibration of Microwave Radiometer source polarization wiregrating rotation platform, it is characterized in that: clearance elimination gear (3) is arranged on multidiameter, the side of multidiameter is connected by the main shaft of shaft coupling with servomotor (1), the opposite side of multidiameter is connected by the main shaft of shaft coupling with incremental encoder (2), by the installing hole on servomotor (1) and incremental encoder (2), the outside of ring flange (6) it is fixed in by bolt, by thrust ball bearing as support at the strong point of multidiameter, the gear teeth of described clearance elimination gear (3) are meshed with the gear teeth on turntable bearing (4), positioned by pin-and-hole and bolt fastening makes polarization wiregrating (5) be arranged on the bearing inner race (401) with the gear teeth；Rotation platform is being connected with reference source housing by ring flange (6).
Calibration of Microwave Radiometer source the most according to claim 1 polarization wiregrating rotation platform, it is characterized in that: described turntable bearing (4) includes the bearing inner race (401) with the gear teeth, bearing outer ring (402), steel ball (403), described steel ball (403) is positioned between the bearing inner race (401) with the gear teeth and bearing outer ring (402), the described bearing inner race with the gear teeth (401) is double roller path structures, two identical bearing outer rings (402) are single roller path structure, are symmetrically distributed in bearing inner race (401) both sides with the gear teeth；The contact angle of bearing is 15 °.
Calibration of Microwave Radiometer source the most according to claim 2 polarization wiregrating rotation platform, it is characterized in that: the described roughness before the bearing inner race with the gear teeth (401) quenching is Ra5, roughness after quenching is Ra2.5, hardness is at 55-60HRC, finished product case depth is not less than 3mm, allowing the soft ribbons that length is not more than 16mm on circumference, two raceway soft ribbons of the described bearing inner race with the gear teeth (401) are at same position；The gear teeth of the described bearing inner race with the gear teeth (401), the amount of change≤0.05mm of common normal after roll flute, radius of addendum is 305mm；The described centre-to-centre spacing with bearing inner race (401) two raceway of the gear teeth is 22mm, and the transverse tooth thickness of the gear teeth is 20mm.
Calibration of Microwave Radiometer source the most according to claim 2 polarization wiregrating rotation platform, it is characterised in that: the gross thickness of described turntable bearing (4) is 36mm, steel ball (403) a diameter of 8mm.
Calibration of Microwave Radiometer source the most according to claim 2 polarization wiregrating rotation platform, it is characterised in that: the described bearing inner race with the gear teeth (401), the raceway radius of bearing outer ring (402) they are 4.13mm, and raceway offset is 0.113mm.
Calibration of Microwave Radiometer source the most according to claim 1 polarization wiregrating rotation platform, it is characterized in that: after described ring flange (6), turntable bearing (4), the wiregrating (5) that polarizes are installed to reference source shell, as viewed from reference source shell cylindrical hole axis direction, the cylindrical hole visual field of reference source shell is not blocked.
Calibration of Microwave Radiometer source the most according to claim 1 polarization wiregrating rotation platform, it is characterized in that: described ring flange (6) includes a ring flange (601), No. two ring flanges (602), positioned with reference source housing by pin-and-hole thereon between a described ring flange (601), No. two ring flanges (602), and fastened by bolt hole.
Calibration of Microwave Radiometer source the most according to claim 1 polarization wiregrating rotation platform, it is characterised in that: the interior shape of described ring flange (6) and size are closed with the profile of turntable bearing (4), matching size。
Calibration of Microwave Radiometer source the most as claimed in any of claims 1 to 8 polarization wiregrating rotation platform, it is characterised in that: described integral inclined 45 degree of wiregrating rotation platform of Calibration of Microwave Radiometer source polarization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620225041.5U CN205450242U (en) | 2016-03-23 | 2016-03-23 | Microwave radiometer reference source is with polarization wiregrating rotary platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620225041.5U CN205450242U (en) | 2016-03-23 | 2016-03-23 | Microwave radiometer reference source is with polarization wiregrating rotary platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205450242U true CN205450242U (en) | 2016-08-10 |
Family
ID=56574904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620225041.5U Withdrawn - After Issue CN205450242U (en) | 2016-03-23 | 2016-03-23 | Microwave radiometer reference source is with polarization wiregrating rotary platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205450242U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105607024A (en) * | 2016-03-23 | 2016-05-25 | 吉林大学 | Polarized wire grating rotating platform for microwave radiometer calibration source |
-
2016
- 2016-03-23 CN CN201620225041.5U patent/CN205450242U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105607024A (en) * | 2016-03-23 | 2016-05-25 | 吉林大学 | Polarized wire grating rotating platform for microwave radiometer calibration source |
| CN105607024B (en) * | 2016-03-23 | 2018-03-27 | 吉林大学 | Calibration of Microwave Radiometer source polarization wiregrating rotation platform |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI632309B (en) | Harmonic gear unit | |
| JP2013215081A (en) | Hollow drive module | |
| WO2009025206A1 (en) | Output gear-equipped reduction device and method of assembling the same | |
| CN104358788A (en) | Device for locking high-speed bearing | |
| EP2913557B1 (en) | Planet roller speed changer | |
| EP3826151A1 (en) | Planetary reduction electrical machine capable of achieving full closed-loop control and articulated robot | |
| EP2639477B1 (en) | Planetary gear reducer | |
| CN205450242U (en) | Microwave radiometer reference source is with polarization wiregrating rotary platform | |
| EP2241780A2 (en) | Planetary reduction gear apparatus | |
| EP2759740A1 (en) | Reduction device | |
| EP3828443A1 (en) | Rotation drive device | |
| CN105607024A (en) | Polarized wire grating rotating platform for microwave radiometer calibration source | |
| CN204164190U (en) | For the device of high-speed bearing locking | |
| US20120244983A1 (en) | Speed reducer, robot hand and robot | |
| CN204025364U (en) | A kind of deep groove ball bearing easy to maintenance | |
| CN201934634U (en) | Intermediate gear transmission mechanism | |
| CN205478890U (en) | Special special large size bearing of reference source | |
| JP2016156436A (en) | Speed reduction device | |
| JP5445961B2 (en) | Reduction gear | |
| US20200340565A1 (en) | Gear transmission system embodying a twin pitched cog belt | |
| CN211599411U (en) | Gear meshing reducer with small tooth difference | |
| CN209166292U (en) | It is a kind of for obtaining the tooling of differential bearing spacer thickness | |
| JP5797131B2 (en) | Planetary gear reducer | |
| CN206655943U (en) | A kind of planet-cycloid reducer | |
| CN108488329B (en) | Adjusting device for return difference of RV reducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160810 Effective date of abandoning: 20180327 |
|
| AV01 | Patent right actively abandoned |