CN202073987U - Planetary speed reducer - Google Patents
Planetary speed reducer Download PDFInfo
- Publication number
- CN202073987U CN202073987U CN 201120080112 CN201120080112U CN202073987U CN 202073987 U CN202073987 U CN 202073987U CN 201120080112 CN201120080112 CN 201120080112 CN 201120080112 U CN201120080112 U CN 201120080112U CN 202073987 U CN202073987 U CN 202073987U
- Authority
- CN
- China
- Prior art keywords
- gear
- ring gear
- output shaft
- center line
- star
- 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.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/46—Systems consisting of a plurality of gear trains each with orbital gears, i.e. systems having three or more central gears
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The utility model relates to a planetary speed reducer, wherein a front end cover is arranged at the front end of a ring gear and a rear end cover is arranged at the rear end of the ring gear. An output shaft is arranged inside the bore of the front end cover and the front end of the output shaft extends out of the bore of the front end cover. The rear part of the output shaft is arranged in the core space of the ring gear and is connected with a multistage planetary retarding mechanism. A center line and three first gear shafts parallel to the center line of the ring gear are uniformly arranged on the rear part of the output shaft in the circumferential direction. Each of the first gear shafts is sleeved with a first star gear and each of the first star gears is engaged with the inner teeth of the ring gear. A second frame plate is arranged in the core space of the ring gear. The front part of the second frame plate is equipped with a center gear engaged with each of the first star gears. A center line and three second gear shafts parallel to the center line of the ring gear are uniformly arranged on the rear part of the second frame plate in the circumferential direction. Each of the second gear shafts is sleeved with a second star gear and each of the second star gears is engaged with the inner teeth of the ring gear. The rear end cover is equipped with a shaft hole. The planetary speed reducer has the advantages of large torque, low rotating speed and high temperature resistance.
Description
Technical field
The utility model relates to a kind of speed reducer, and particularly a kind of planetary speed reducer is mainly used in the occasion of big moment, hot operation.
Background technique
Existing planetary speed reducer as 22 millimeters of diameters is not suitable for the occasion of high temperature, its serviceability temperature is generally below 65 ℃, generally below 7kgcm, the output speed after the deceleration is generally more than the 20rpm output torque of speed reducer, so the use of existing planetary speed reducer is restricted.
Summary of the invention
The purpose of this utility model provide a kind of simple in structure, be particularly suitable for planetary speed reducer than the occasion of high pulling torque, the slow-speed of revolution and higher temperature, overcome the deficiencies in the prior art.
Planetary speed reducer of the present utility model comprises ring gear, and the front end of ring gear is fixedly connected with front cover, and the rear end is fixedly connected with rear end cover;
The front cover endoporus is provided with output shaft, and stretch out from the endoporus of front cover the front portion of output shaft, and the rear portion of output shaft is positioned at the inner chamber of ring gear and is connected with the multistage planet reducing gear;
The structure of described planetary gear speed reducing mechanism is: be evenly distributed with three first gear shafts that center line parallels with the center line of ring gear at the rear portion of output shaft circumferencial direction, all be set with the first star gear on each first gear shaft, each first star gear all is meshed with the internal tooth of ring gear; Be provided with second frame plate at the ring gear inner chamber, the front portion of second frame plate is central gear and is meshed with described each first star gear, the rear portion circumferencial direction of second frame plate is evenly distributed with three second gear shafts that center line parallels with the center line of ring gear, all be set with the second star gear on each second gear shaft, each second star gear all is meshed with the internal tooth of ring gear;
The dynamic input shaft bore of described rear end cover.
Planetary speed reducer of the present utility model can form multi-stage speed-reducing as required, and can reach the purpose that final output torque is big, rotating speed is low, and is particularly suitable for the occasion of high temperature.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is an A-A sectional schematic diagram shown in Figure 1;
Fig. 3 is the structural representation of output shaft shown in Figure 1;
Fig. 4 is that schematic representation is looked on the right side shown in Figure 3;
Fig. 5 is the structural representation of second frame plate shown in Figure 1.
Embodiment
Shown in Fig. 1,2,3,4,5: 4 is ring gear, and its inner circumferential is processed with internal tooth, and the front end of ring gear 4 has front cover 2, and there is rear end cover 12 rear end.The periphery of front cover 2 and ring gear 4 is processed with bolt hole, and the periphery of rear end cover 12 is processed with tapped hole, above-mentioned three by bolt 3 fastening.
The structure of concrete planetary gear speed reducing mechanism is: be evenly distributed with three first gear shafts 5 that center line parallels with the center line of ring gear 4 at the rear portion of output shaft 1 circumferencial direction, all be set with the first star gear 6 on each first gear shaft 5, each first star gear 6 all is meshed with the internal tooth of ring gear 4.Be provided with second frame plate 17 at ring gear 4 inner chambers, the front portion of second frame plate 17 is central gear 18 and is meshed with each first star gear 6, the rear portion circumferencial direction of second frame plate 17 is evenly distributed with three second gear shafts 7 that center line parallels with the center line of ring gear 4, all be set with the second star gear 8 on each second gear shaft 7, each second star gear 8 all is meshed with the internal tooth of ring gear 4.Inner chamber at ring gear 4 is provided with the 3rd frame plate 16, the center that there is central gear the front portion of the 3rd frame plate 16 and inserts three second star gears 8 is engaged with, the rear portion circumferencial direction of the 3rd frame plate 16 is evenly distributed with three gear shafts that center line parallels with the center line of ring gear 4, all being with 9, the every tumbler gears 9 of tumbler gear on each axle all is meshed with the internal tooth of ring gear 4.Inner chamber at ring gear 4 also is provided with the 4th frame plate 15 and four stars gear 10 and the 5th frame plate 14 and Alcor gear 11 successively, and its structure is aforementioned identical, forms the planetary speed reducer of Pyatyi same structure altogether, and progression can be determined according to need.
The dynamic input shaft bore 13 in the center of rear end cover 12.
Each above-mentioned gear and frame plate select for use the 12Cr2Ni4 material for well, to improve the intensity of parts.Each gap location of the inboard of this speed reducer is filled high temperature resistant extreme pressure, good thermal stability, anti-soda acid, anti-oxidation, high temperature resistant lubricating grease that performance is excellent, to guarantee the working life of parts, reduces wear.
During installation, on the output shaft of motor, gear is housed, this gear stretches into from axis hole 13 places and meshes with each Alcor gear 11, can drive the 5th frame plate 14 during rotation rotates, and then the four stars gear 10 that passes through previous stage drives 15 rotations of the 4th frame plate, by that analogy, drive output shaft 1 rotation at last, thereby reach the purpose of planetary reduction gear.
Advantage is as follows: high moment of torsion.This speed reducer can be by thickening frame plate step by step, and every grade of output shaft of overstriking increases the mode of step of reduction, reaches the moment of torsion that bears 3N.m.High temperature resistant.This speed reducer can be under 125 ℃ of high-temperature conditions proper functioning.The slow-speed of revolution.This speed reducer rotating speed can reach 1.5rpm(± 15%).
Claims (1)
1. planetary speed reducer, it is characterized in that: comprise ring gear (4), the front end of ring gear (4) is fixedly connected with front cover (2), and the rear end is fixedly connected with rear end cover (12);
Front cover (2) endoporus is provided with output shaft (1), and stretch out from the endoporus of front cover (2) front portion of output shaft (1), and the rear portion of output shaft (1) is positioned at the inner chamber of ring gear (4) and is connected with the multistage planet reducing gear;
The structure of described planetary gear speed reducing mechanism is: the rear portion circumferencial direction at output shaft (1) is evenly distributed with three first gear shafts (5) that center line parallels with the center line of ring gear (4), all be set with the first star gear (6) on each first gear shaft (5), each first star gear (6) all is meshed with the internal tooth of ring gear (4); Be provided with second frame plate (17) at ring gear (4) inner chamber, the front portion of second frame plate (17) is central gear (18) and is meshed with described each first star gear (6), the rear portion circumferencial direction of second frame plate (17) is evenly distributed with three second gear shafts (7) that center line parallels with the center line of ring gear (4), all be set with the second star gear (8) on each second gear shaft (7), each second star gear (8) all is meshed with the internal tooth of ring gear (4);
The dynamic input shaft bore of described rear end cover (12) (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120080112 CN202073987U (en) | 2011-03-24 | 2011-03-24 | Planetary speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120080112 CN202073987U (en) | 2011-03-24 | 2011-03-24 | Planetary speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202073987U true CN202073987U (en) | 2011-12-14 |
Family
ID=45112090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120080112 Expired - Fee Related CN202073987U (en) | 2011-03-24 | 2011-03-24 | Planetary speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202073987U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422812A (en) * | 2015-12-04 | 2016-03-23 | 北京华航无线电测量研究所 | Detector drive mechanism in petroleum well |
| CN105485270A (en) * | 2014-09-15 | 2016-04-13 | 德昌电机(深圳)有限公司 | Planetary gear speed changer and planetary gear speed changer assembly |
| EP4033121A4 (en) * | 2019-09-19 | 2023-10-11 | Guangdong Zhaoqing L & V Co. Ltd | Planetary gear transmission box |
-
2011
- 2011-03-24 CN CN 201120080112 patent/CN202073987U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485270A (en) * | 2014-09-15 | 2016-04-13 | 德昌电机(深圳)有限公司 | Planetary gear speed changer and planetary gear speed changer assembly |
| CN105485270B (en) * | 2014-09-15 | 2019-12-03 | 德昌电机(深圳)有限公司 | Planetary transmission and planetary transmission component |
| CN105422812A (en) * | 2015-12-04 | 2016-03-23 | 北京华航无线电测量研究所 | Detector drive mechanism in petroleum well |
| CN105422812B (en) * | 2015-12-04 | 2018-05-15 | 北京华航无线电测量研究所 | A kind of oil borehole geophone driving mechanism |
| EP4033121A4 (en) * | 2019-09-19 | 2023-10-11 | Guangdong Zhaoqing L & V Co. Ltd | Planetary gear transmission box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111214 Termination date: 20130324 |