CN102022483A - Planetary speed reducer specific for underwater - Google Patents
Planetary speed reducer specific for underwater Download PDFInfo
- Publication number
- CN102022483A CN102022483A CN2011100036796A CN201110003679A CN102022483A CN 102022483 A CN102022483 A CN 102022483A CN 2011100036796 A CN2011100036796 A CN 2011100036796A CN 201110003679 A CN201110003679 A CN 201110003679A CN 102022483 A CN102022483 A CN 102022483A
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- Prior art keywords
- level
- gear
- axle
- speed reducer
- rear end
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- 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)
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Abstract
The invention relates to a planetary speed reducer specific for underwater, comprising a case body and a transmission mechanism arranged inside the case body, wherein the transmission mechanism comprises a primary sun gear shaft, a primary planetary gear shaft, a primary internal gear ring, a primary linkage plate, a secondary sun gear shaft, a secondary planetary gear shaft, a secondary internal gear ring, a secondary linkage plate and an output shaft; the case body comprises a front end cover and a rear end cover, the secondary internal gear ring is fixedly arranged between the front end cover and the rear end cover; and the primary internal gear ring is fixedly arranged inside the rear end cover. The planetary speed reducer specific for underwater of the invention has simple and compact structure, smaller volume, lighter weight and better underwater sealing performance.
Description
Technical field
The present invention relates to a kind of speed reducer, be specifically related to a kind of special-purpose planetary speed reducer under water.
Background technique
Traditional planetary speed reducer generally includes casing and is arranged on the interior driving mechanism of casing, its driving mechanism comprises primary planet carrier, one-level ring gear, primary planet pinion axle, one-level central gear shaft, secondary planet frame, secondary ring gear, secondary planetary gear axle, secondary sun gear axle, third-level planetary frame, three grades of ring gears, third-level planetary gear shaft, three grades of central gear shafts and output shaft, this technological scheme complex structure, not compact, and bulky, heavy, use inconvenient when working under water; And its casing needs the many places sealing, and when working under water, sealability is not good.
Summary of the invention
At the deficiency that prior art exists, the object of the present invention is to provide a kind of simple in structurely, compact, volume is littler, weight is lighter, and the better special-purpose under water planetary speed reducer of sealability.
For achieving the above object, the invention provides following technological scheme: a kind of special-purpose planetary speed reducer under water, comprise casing and be arranged on the interior driving mechanism of casing, it is characterized in that: described driving mechanism comprises the one-level central gear shaft, the primary planet pinion axle, the one-level ring gear, one-level interlock dish, the secondary sun gear axle, the secondary planetary gear axle, the secondary ring gear, secondary interlock dish and output shaft, the corresponding casing of one-level central gear shaft the inner is provided with the one-level sun gear, primary planet pinion axle one end is provided with the primary planet pinion that is meshed with the one-level sun gear, and the primary planet pinion setting that is meshed with the one-level ring gear, the relative primary planet pinion the other end of primary planet pinion axle is fixedlyed connected with one-level interlock dish, the setting that links of secondary sun gear axle one end and one-level interlock dish, the relative one-level interlock of the secondary sun gear axle dish the other end is provided with secondary sun gear, secondary planetary gear axle one end is provided with the secondary planetary gear that is meshed with secondary sun gear, and the secondary planetary gear setting that is meshed with the secondary ring gear, the relative secondary planetary gear the other end of secondary planetary gear axle is fixedlyed connected with secondary interlock dish, the setting that links of output shaft and secondary interlock dish; Described casing comprises front cover and rear end cover, and the secondary ring gear is fixedly installed between front cover and the rear end cover; Described one-level ring gear is fixedly installed in the rear end cover.
By adopting technique scheme, its bearing capacity is more than four times of similar speed reducer under water, and structure is simpler, compact, and volume is littler, weight is lighter, and only needs the sealing at secondary ring gear place, and sealing effect is better under water.
The present invention further is set to: described front cover is the cone-shape setting, and the front cover opposite rear end is covered an end diameter greater than the other end setting.
By adopting technique scheme, usually be connected with impeller when output shaft is worked under water, produce bigger reaction force during wheel rotation, front cover is set to cone-shape, effectively reduced impeller to the reaction force that speed reducer produces, made when speed reducer is worked under water more stable.
The present invention further is set to: be provided with some groups of roller bearings between described output shaft and the front cover inwall, described roller bearing is set to tapered roller bearing.
Because when working under water, the axial and radial load of output shaft is bigger, by adopting technique scheme, has improved the stability of output shaft.
The present invention further is set to: the outer wall of described secondary ring gear is provided with stepped boss, front cover, rear end cover and secondary ring gear joint and the suitable setting of stepped boss shape.
By adopting technique scheme, strengthened the sealing effect of sealing part.
The present invention further is set to: described front cover, rear end cover relative position place are provided with groove, are provided with seal ring in the groove.
By adopting technique scheme, further strengthened the sealing effect of sealing part.
Below in conjunction with accompanying drawing the present invention is further described.
Description of drawings
Fig. 1 is the special-purpose under water planetary speed reducer example structure of the present invention figure.
Embodiment
Referring to accompanying drawing 1, special-purpose under water planetary speed reducer disclosed by the invention, comprise casing 10 and be arranged on the interior driving mechanism of casing, described driving mechanism comprises one-level central gear shaft 1, primary planet pinion axle 2, one-level ring gear 3, one-level interlock dish 4, secondary sun gear axle 5, secondary planetary gear axle 6, secondary ring gear 7, secondary interlock dish 8 and output shaft 9, one-level central gear shaft 1 corresponding casing 10 the inners are provided with one-level sun gear 101, primary planet pinion axle 2 one ends are provided with the primary planet pinion 201 that is meshed with one-level sun gear 101, and primary planet pinion 201 setting that is meshed with one-level ring gear 3, primary planet pinion axle 2 relative primary planet pinion 201 the other ends coil 4 with the one-level interlock fixedlys connected, the setting that links of secondary sun gear axle 5 one ends and one-level interlock dish 4, the 5 relative one-level interlocks of secondary sun gear axle are coiled 4 the other ends and are provided with secondary sun gear 501, secondary planetary gear axle 6 one ends are provided with the secondary planetary gear 601 that is meshed with secondary sun gear 501, and secondary planetary gear 601 setting that is meshed with secondary ring gear 7, secondary planetary gear axle 6 relative secondary planetary gear 601 the other ends coil 8 with the secondary interlock fixedlys connected, the setting that links of output shaft 9 and secondary interlock dish 8; Described casing 10 comprises front cover 1001 and rear end cover 1002, and secondary ring gear 7 is fixedly installed between front cover 1001 and the rear end cover 1002; Described one-level ring gear 3 is fixedly installed in the rear end cover 1002.By adopting technique scheme, its bearing capacity is more than four times of similar speed reducer under water, and structure is simpler, compact, and volume is littler, weight is lighter, and only needs the sealing at secondary ring gear 7 places, and sealing effect is better under water.
Present embodiment further is set to: described front cover 1001 is the cone-shape setting, and front cover 1001 opposite rear end are covered 1,002 one end diameters greater than the other end setting.By adopting technique scheme, usually be connected with impeller when output shaft 9 is worked under water, produce bigger reaction force during wheel rotation, front cover 1001 is set to cone-shape, effectively reduced impeller to the reaction force that speed reducer produces, made when speed reducer is worked under water more stable.
Present embodiment further is set to: be provided with some groups of roller bearings 11 between described output shaft 9 and front cover 1001 inwalls, described roller bearing 11 is set to tapered roller bearing.Because when working under water, the axial and radial load of output shaft is bigger, by adopting technique scheme, has improved the stability of output shaft.
Present embodiment further is set to: the outer wall of described secondary ring gear 7 is provided with stepped boss 701, front cover 1001, rear end cover 1002 and secondary ring gear 7 joints and the suitable setting of stepped boss 701 shapes.By adopting technique scheme, strengthened the sealing effect of sealing part.
Present embodiment further is set to: described front cover 1001, rear end cover 1002 relative position places are provided with groove, are provided with seal ring 12 in the groove.By adopting technique scheme, further strengthened the sealing effect of sealing part.
Claims (5)
1. special-purpose under water planetary speed reducer, comprise casing and be arranged on the interior driving mechanism of casing, it is characterized in that: described driving mechanism comprises the one-level central gear shaft, the primary planet pinion axle, the one-level ring gear, one-level interlock dish, the secondary sun gear axle, the secondary planetary gear axle, the secondary ring gear, secondary interlock dish and output shaft, the corresponding casing of one-level central gear shaft the inner is provided with the one-level sun gear, primary planet pinion axle one end is provided with the primary planet pinion that is meshed with the one-level sun gear, and the primary planet pinion setting that is meshed with the one-level ring gear, the relative primary planet pinion the other end of primary planet pinion axle is fixedlyed connected with one-level interlock dish, the setting that links of secondary sun gear axle one end and one-level interlock dish, the relative one-level interlock of the secondary sun gear axle dish the other end is provided with secondary sun gear, secondary planetary gear axle one end is provided with the secondary planetary gear that is meshed with secondary sun gear, and the secondary planetary gear setting that is meshed with the secondary ring gear, the relative secondary planetary gear the other end of secondary planetary gear axle is fixedlyed connected with secondary interlock dish, the setting that links of output shaft and secondary interlock dish; Described casing comprises front cover and rear end cover, and the secondary ring gear is fixedly installed between front cover and the rear end cover; Described one-level ring gear is fixedly installed in the rear end cover.
2. special-purpose under water planetary speed reducer according to claim 1, it is characterized in that: described front cover is the cone-shape setting, and the front cover opposite rear end is covered an end diameter greater than the other end setting.
3. special-purpose under water planetary speed reducer according to claim 1 and 2 is characterized in that: be provided with some groups of roller bearings between described output shaft and the front cover inwall, described roller bearing is set to tapered roller bearing.
4. special-purpose under water planetary speed reducer according to claim 3, it is characterized in that: the outer wall of described secondary ring gear is provided with stepped boss, front cover, rear end cover and secondary ring gear joint and the suitable setting of stepped boss shape.
5. special-purpose under water planetary speed reducer according to claim 4 is characterized in that: described front cover, rear end cover relative position place are provided with groove, are provided with seal ring in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100036796A CN102022483A (en) | 2011-01-10 | 2011-01-10 | Planetary speed reducer specific for underwater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100036796A CN102022483A (en) | 2011-01-10 | 2011-01-10 | Planetary speed reducer specific for underwater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102022483A true CN102022483A (en) | 2011-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100036796A Pending CN102022483A (en) | 2011-01-10 | 2011-01-10 | Planetary speed reducer specific for underwater |
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| CN (1) | CN102022483A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102204788A (en) * | 2011-05-27 | 2011-10-05 | 浙江绍兴苏泊尔生活电器有限公司 | Grinding type soybean milk machine |
| CN102252086A (en) * | 2011-05-31 | 2011-11-23 | 康少松 | Planetary speed reducer capable of reducing transmission friction heating |
| CN108150611A (en) * | 2016-12-06 | 2018-06-12 | 六环传动（西安）科技有限公司 | A kind of robot and planetary reducer |
| CN110185760A (en) * | 2019-04-30 | 2019-08-30 | 中国航发南方工业有限公司 | The starshaped reducing gear of turbo oar engine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201599366U (en) * | 2010-01-28 | 2010-10-06 | 湖南金三星煤机制造有限公司 | Two-stage planetary reducer |
| CN101900185A (en) * | 2009-05-27 | 2010-12-01 | 无锡港盛港口机械有限公司 | Vertical-type planetary speed reducer |
-
2011
- 2011-01-10 CN CN2011100036796A patent/CN102022483A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900185A (en) * | 2009-05-27 | 2010-12-01 | 无锡港盛港口机械有限公司 | Vertical-type planetary speed reducer |
| CN201599366U (en) * | 2010-01-28 | 2010-10-06 | 湖南金三星煤机制造有限公司 | Two-stage planetary reducer |
Non-Patent Citations (1)
| Title |
|---|
| 饶振纲: "《行星传动机构设计》", 30 June 1994, 国防工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102204788A (en) * | 2011-05-27 | 2011-10-05 | 浙江绍兴苏泊尔生活电器有限公司 | Grinding type soybean milk machine |
| CN102252086A (en) * | 2011-05-31 | 2011-11-23 | 康少松 | Planetary speed reducer capable of reducing transmission friction heating |
| CN108150611A (en) * | 2016-12-06 | 2018-06-12 | 六环传动（西安）科技有限公司 | A kind of robot and planetary reducer |
| CN110185760A (en) * | 2019-04-30 | 2019-08-30 | 中国航发南方工业有限公司 | The starshaped reducing gear of turbo oar engine |
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Application publication date: 20110420 |