CN200955567Y - Antenna-servo planetary speed reducer - Google Patents
Antenna-servo planetary speed reducer Download PDFInfo
- Publication number
- CN200955567Y CN200955567Y CN 200620122814 CN200620122814U CN200955567Y CN 200955567 Y CN200955567 Y CN 200955567Y CN 200620122814 CN200620122814 CN 200620122814 CN 200620122814 U CN200620122814 U CN 200620122814U CN 200955567 Y CN200955567 Y CN 200955567Y
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- China
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- gear
- planet
- planet carrier
- output
- level planetary
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Abstract
The utility model relates to an antenna servo planet damper, within which is provided with a series three-degree planet gear driven institution. The first solar gear of the first-degree gear driven institution is connected with the motor shaft and the first-degree planet gear coordinates with the planet axle of the first planet bracket; internal gear at the input end of the first planet bracket is meshed with the second solar gear of the secondary plane gear driven institution which coordinate with the second planet bracket pin roll to move. The internal gear of the output end of the second planet bracket is meshed with the third solar gear of the third-degree planet gear driven institution and the third planet gear coordinate with the planet pin roll of the third planet bracket which is connected with the output gear. The utility model has the advantages of simple structure, small volume, high transfer power and less mistakes of return back.
Description
Technical field
The utility model relates to a kind of antenna servo planetary reducer that is used for the driving mechanism of radar antenna.
Background technique
The antenna servo planetary reducer has had for a long time in the use of Communication in China industry, but mainly depends on import in the past, costs an arm and a leg, and influences large-area promoting the use of, and is badly in need of a kind of antenna servo planetary reducer of suitable China's national situation.
The model utility content
Technical problem to be solved in the utility model is to propose a kind of simple in structure, volume is little but transmitted power is big, hysterisis error is little antenna servo planetary reducer.
Technological scheme provided by the utility model is: a kind of antenna servo planetary reducer, in casing, be provided with the third-level planetary gear drive of series connection, first sun gear of its first order gear drive is connected with motor shaft, the planet wheel of the first order planetary pinion and first planet carrier be the axle movingly, the output terminal internal gear of first planet carrier and the engagement of the secondary sun wheel of second level planetary gears, and the planet pin of the second level planetary pinion and second planet carrier be the axle movingly, the 3rd sun gear engagement of the internal gear of the second planet carrier output terminal and third level planetary gears, the planet pin of its third level planetary pinion and the third line star frame be the axle movingly, the third line star frame is connected with output gear.
Described first sun gear is to be connected with motor shaft by axle sleeve, and meshes with sleeve gear.
Include three ring gears in this retarder, successively with the third-level planetary gear drive in planetary pinion engagement, ring gear is all fixedlyed connected with housing.
The two-stage ring gear that is meshed with first planet carrier and two planet carriers is an one, and the ring gear and the output flange that are meshed with the third line star frame are structure as a whole.
Described output flange and input shaft off-centre.
Described the third line star frame is connected with output gear by two keys.
The utility model has following advantage: because first and second ring gear of the utility model is made of one, the 3rd ring gear and output flange are made of one, reduced the error of middle coupling part; Through repeatedly calculating and testing, all meshed gears precision are proposed strict requirement, guarantee that retarder has very little hysterisis error; The third line star frame (output shaft) connects with output gear by two keys, makes structure compact more, and cost reduces.Realize cheap, volume is little, transmitted power is big, hysterisis error is little.
Description of drawings
Below in conjunction with description of drawings embodiment of the present utility model.
Fig. 1 is the utility model one embodiment's a structural representation.
Wherein: 1: 2: the first sun gears 3 of axle sleeve: secondary sun wheel
Sun gear 5 in 4: the three: output gear 6: first and second ring gear
7: 8: the three ring gears 9 of housing: key
401: the third line star frame 402: third level planetary pinion 403: needle roller
Embodiment
A kind of antenna servo planetary reducer as shown in Figure 1 comprises: housing 7 and speed change gear, and described speed change gear is made up of the third-level planetary gear drive; First sun gear 2 of its first order gear drive connects with motor shaft by axle sleeve 1, pass through gear engagement between first sun gear 2 and the axle sleeve 1, its first sun gear 2 successively with at least 2 first order planetary pinions 202, with housing affixed first, 6 engagements of two ring gears, the planet wheel shaft of its first order planetary pinion 202 and first planet carrier 201 movingly, the output terminal internal gear of first planet carrier 201 and 3 engagements of the secondary sun wheel of second level planetary gears, secondary sun wheel 3 successively with at least 2 second level planetary pinions 302, with housing affixed first, 6 engagements of two ring gears, the planet bearing pin of its second level planetary pinion 302 and second planet carrier 301 movingly, the 3rd sun gear 4 engagements of the output terminal internal gear of second planet carrier 301 and third level planetary gears, the 3rd sun gear 4 successively with at least 2 third level planetary pinions 402, third level ring gear 8 engagements affixed with housing, the planet bearing pin of its third level planetary pinion 402 and the third line star frame (output shaft) 401 movingly, the third line star frame (output shaft) and 5 quiet connections of output gear.
Wherein first and second ring gear 6 is made of one, the 3rd ring gear 8 is made of one with output flange, and is affixed by bolt and housing 7 respectively; Axle sleeve 1 by oil sealing and housing movingly; The output flange of the 3rd ring gear 8 and seam and input eccentric axis.Connect with output gear 5 by two keys
The grade of accuracy of sun gear is 6 grades, and transverse tooth thickness deviation code name is FH; Planetary grade of accuracy is 6 grades, and transverse tooth thickness deviation code name is EG; The grade of accuracy of ring gear is 7 grades, and transverse tooth thickness deviation code name is FH.
This product structure is simple, and is cheap, and volume is little, in light weight, and transmitted power is big, and hysterisis error is little, is a kind of retarder that is applicable to the driving mechanism of radar antenna.
Claims (6)
1, a kind of antenna servo planetary reducer, it is characterized in that: the third-level planetary gear drive that in casing, is provided with series connection, first sun gear (2) of its first order gear drive is connected with motor shaft, the planet wheel of first order planetary pinion (202) and first planet carrier (201) be spool movingly, secondary sun wheel (3) engagement of the output terminal internal gear of first planet carrier (201) and second level planetary gears, and the planet pin of second level planetary pinion (302) and second planet carrier (301) be spool movingly, the internal gear of second planet carrier (301) output terminal and the engagement of the 3rd sun gear (4) of third level planetary gears, the planet pin of its third level planetary pinion (402) and the third line star frame (401) be spool movingly, and the third line star frame (401) is connected with output gear (5).
2, retarder according to claim 1 is characterized in that: described first sun gear (2) is to be connected with motor shaft by axle sleeve (1), and with axle sleeve (1) gear engagement.
3, retarder according to claim 1 is characterized in that: include three ring gears in this retarder, successively with the third-level planetary gear drive in planetary pinion engagement, ring gear is all fixedlyed connected with housing (7).
4, retarder according to claim 3 is characterized in that: the two-stage ring gear that is meshed with first planet carrier (201) and two planet carriers (301) is an one, and the ring gear and the output flange that are meshed with the third line star frame (401) are structure as a whole.
5, retarder according to claim 4 is characterized in that: described output flange and input shaft off-centre.
6, retarder according to claim 1 is characterized in that: described the third line star frame (401) is connected with output gear (5) by two keys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620122814 CN200955567Y (en) | 2006-07-25 | 2006-07-25 | Antenna-servo planetary speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620122814 CN200955567Y (en) | 2006-07-25 | 2006-07-25 | Antenna-servo planetary speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200955567Y true CN200955567Y (en) | 2007-10-03 |
Family
ID=38774152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620122814 Expired - Lifetime CN200955567Y (en) | 2006-07-25 | 2006-07-25 | Antenna-servo planetary speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200955567Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103382984A (en) * | 2013-07-04 | 2013-11-06 | 银川威力减速器有限公司 | Tracking driving reducer used for trench type solar opto-thermal power generation |
| CN105508518A (en) * | 2015-12-17 | 2016-04-20 | 广东通宇通讯股份有限公司 | Antenna transmission device and antenna |
-
2006
- 2006-07-25 CN CN 200620122814 patent/CN200955567Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103382984A (en) * | 2013-07-04 | 2013-11-06 | 银川威力减速器有限公司 | Tracking driving reducer used for trench type solar opto-thermal power generation |
| CN105508518A (en) * | 2015-12-17 | 2016-04-20 | 广东通宇通讯股份有限公司 | Antenna transmission device and antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20071003 |
|
| EXPY | Termination of patent right or utility model |