CN100529463C - Planetary speed reducer specially for roller way - Google Patents
Planetary speed reducer specially for roller way Download PDFInfo
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- CN100529463C CN100529463C CNB2007100680452A CN200710068045A CN100529463C CN 100529463 C CN100529463 C CN 100529463C CN B2007100680452 A CNB2007100680452 A CN B2007100680452A CN 200710068045 A CN200710068045 A CN 200710068045A CN 100529463 C CN100529463 C CN 100529463C
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- planet carrier
- planet
- sun gear
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Abstract
The planetary speed reducer specially for roller way includes flange, cabinet, the first and the second sun gears, the first and the second planet carriers, planet gears and hollow output shaft. The first and the second sun gears, the planet carrier and the hollow output shaft are coaxial; the first sun gear is connected to the output shaft of the speed reducer; the first planet carrier is connected to the second sun gear, and the second planet carrier is connected to the output shaft of the speed reducer; there are at least two planet gears around each of the first and the second planet carriers; and the first planet gears and the second planet gears are meshed to corresponding ring gear and sun gear.
Description
Technical field
The present invention relates to a kind of speed reducer, especially a kind of planetary speed reducer specially for roller way.
Background technique
Be badly in need of production domesticization to substitute import at steel mill's roller-way planetary speed reducer, particularly China's speed reducer manufacturing already develops on an unprecedented scale now, the reduction gear mechanism technology for making is increasingly mature, material property improves day by day, design level improves day by day, can not only design high performance speed reducer, also can produce the speed reducer of high performance high-reliability.Present planetary reducer: can't accomplish reasonably combinedly by input, the velocity ratio formed of output link, limit it and brought into play the bearing capacity of speed reducer to greatest extent.
Summary of the invention
The present invention is directed to above-mentioned deficiency, a kind of compact structure, reliable, the rational planetary speed reducer specially for roller way of velocity ratio are provided.
The present invention solves the problems of the technologies described above the technological scheme that is adopted: planetary speed reducer specially for roller way, comprise flange, casing, sun gear, planet wheel, planet carrier, output hollow shaft, the technical measures of taking comprise: body and back body before casing comprises, before be provided with first order ring gear and second level ring gear in the body, and preceding body through fastening piece with after body and working machine connect; Sun gear comprises first order sun gear and second level sun gear; Planet carrier comprises first order planet carrier and second level planet carrier; Described planet wheel comprises first order planet wheel and second level planet wheel; Described first order sun gear, second level sun gear, first order planet carrier, second level planet carrier and output hollow shaft concentric; Described first order sun gear is connected on the speed reducer output shaft through C type flat key; First order planet carrier and second level sun gear be by splined, second level planet carrier through splined on speed reducer output shaft; Uniform at least two first order planet wheels of first order planet carrier periphery, uniform at least two second level planet wheels of second level planet carrier periphery; Described at least two first order planet wheels are installed in respectively on uniform two first order planet axis of corresponding first order planet carrier periphery through full type roller bearing at least, described at least two second level planet wheels are installed in respectively on uniform two second level planet axis of corresponding second level planet carrier periphery through full type roller bearing at least, and corresponding described first order planet wheel and second level planet wheel often mesh with corresponding ring gear and corresponding sun gear at the same level respectively.
The concrete technical measures of taking also comprise: above-mentioned uniform four first order planet wheels of first order planet carrier periphery, uniform four second level planet wheels of second level planet carrier periphery; Described four first order planet wheels are installed in respectively on uniform four first order planet axis of corresponding first order planet carrier periphery through full type roller bearing, described four second level planet wheels are installed in respectively on uniform four second level planet axis of corresponding second level planet carrier periphery through full type roller bearing, and corresponding described four first order planet wheels and four second level planet wheels often mesh with corresponding ring gear and corresponding sun gear at the same level respectively.
Above-mentioned output hollow shaft is installed on the body of back by deep groove ball bearing, and the bearing that is used to install the corresponding row star-wheel on first order planet carrier and the second level planet carrier is the full roller roller bearing of same size.
Between the above-mentioned first order sun gear and preceding body, and between output hollow shaft and the back body oil sealing is housed all.
Above-mentioned oil sealing is an outside framework oil seal.
Above-mentioned output hollow shaft periphery is provided with the expansion set that links with operation mechanism.
Above-mentioned first order planet carrier and second level planet carrier float and cooperate.
Compared with prior art, the reasonably combined bearing capacity that guarantees under the fixed condition of profile, to bring into play to greatest extent speed reducer of velocity ratio of the present invention; Complete machine has only the bearing of two specifications, the complete standardization of spare part, and it is convenient that user's maintenance and purchase are changed; High speed level and the special hollow design of slow speed turbine stage sun gear, the weight saving thereby the sensitivity of under the low speed situation, still floating, carrying is even; Be provided with first order ring gear and second level ring gear, the internal structure compact and reasonable in the preceding body; The slow speed turbine stage planet carrier floats, and connects output torque by involute tooth spline and output shaft; Assembling full type roller bearing in the planet wheel, outside dimension is little, and life-span and bearing capacity are again than needle bearing height; Complete machine is the roller-way special reduction gear, and this speed reducer Environmental Conditions and operating mode are abominable, and the design output torque is big, and overload requires very high.
Description of drawings
Fig. 1 is the general assembly cross-sectional schematic of the embodiment of the invention;
Fig. 2 is the assembling schematic representation that Fig. 1 right side is looked.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Shown in Figure 1,1, speed reducer, 2, first order sun gear, 3, flange, 4, first order planet axis, 5, first order planet carrier, 6, first order planet wheel, 7, preceding body (containing first order ring gear and second level ring gear), 8, second level planet carrier, 9, second level planet wheel, 10, second level planet axis, 11, second level sun gear, 12, back body, 13, bearing, 14, oil sealing, 15, output hollow shaft, 16, expansion set.
Specific embodiments of the invention comprise: planetary speed reducer specially for roller way, comprise flange 3, casing, sun gear, planet wheel, planet carrier, output hollow shaft 15, body 7 and back body 12 before casing comprises, before be provided with first order ring gear and second level ring gear in the body 7, and preceding body 7 through fastening piece with after body and working machine connect;
Above-mentioned sun gear comprises first order sun gear 2 and second level sun gear 11; Planet carrier comprises first order planet carrier 5 and second level planet carrier 8; Described planet wheel comprises first order planet wheel 6 and second level planet wheel 9; Described first order sun gear 2, second level sun gear 11, first order planet carrier 5, second level planet carrier 8 and output hollow shaft 15 concentrics; Described first order sun gear 2 is connected on the output shaft through C type flat key, and speed reducer is selected the DSZKF127S model; First order planet carrier 5 and second level sun gear 11 be by splined, second level planet carrier 8 through splined on speed reducer output shaft; Uniform at least two first order planet wheels 6 of first order planet carrier 5 peripheries, uniform at least two second level planet wheels 9 of second level planet carrier 8 peripheries; Described at least two first order planet wheels 6 are installed in respectively on uniform two first order planet axis 4 of corresponding first order planet carrier 5 peripheries through full type roller bearing at least, described at least two second level planet wheels 9 are installed in respectively on uniform two second level planet axis 10 of corresponding second level planet carrier 8 peripheries through full type roller bearing at least, and corresponding described first order planet wheel 6 and second level planet wheel 9 often mesh with corresponding ring gear and corresponding sun gear at the same level respectively; Full type roller bearing is selected the SKF model.
Preferred embodiment is selected: uniform four first order planet wheels 6 of first order planet carrier 5 peripheries, uniform four second level planet wheels 9 of second level planet carrier 8 peripheries; Described four first order planet wheels 6 are installed in respectively on uniform four first order planet axis 4 of corresponding first order planet carrier 5 peripheries through full type roller bearing, described four second level planet wheels 9 are installed in respectively on uniform four second level planet axis 10 of corresponding second level planet carrier 8 peripheries through full type roller bearing, and corresponding described four first order planet wheels 6 and four second level planet wheels 9 often mesh with corresponding ring gear and corresponding sun gear at the same level respectively.Above-mentioned output hollow shaft 15 is installed on the body 12 of back by deep groove ball bearing, and the bearing that is used to install the corresponding row star-wheel on first order planet carrier 5 and the second level planet carrier 8 is the full roller roller bearing of same size.Between the above-mentioned first order sun gear 2 and preceding body 7, and between output hollow shaft 15 and the back body 12 oil sealing 14 is housed all.Above-mentioned oil sealing 14 is an outside framework oil seal.Above-mentioned output hollow shaft 15 peripheries are provided with the expansion set 16 that links with operation mechanism.Above-mentioned first order planet carrier 5 and second level planet carrier 8 float and cooperate.
Advantage of the present invention: compact structure, beautiful shape; The reasonably combined bearing capacity that guarantees under the fixed condition of profile, to bring into play to greatest extent speed reducer of velocity ratio; Complete machine has only the bearing of two specifications, the complete standardization of spare part, and it is convenient that user's maintenance and purchase are changed; High speed level and the special hollow design of slow speed turbine stage sun gear, the weight saving thereby the sensitivity of under the low speed situation, still floating, carrying is even; Be provided with first order ring gear and second level ring gear, the internal structure compact and reasonable in the preceding body; The slow speed turbine stage planet carrier floats, and connects output torque by involute tooth spline and output shaft; Assembling full type roller bearing in the planet wheel, outside dimension is little, and life-span and bearing capacity are again than needle bearing height; Complete machine is the roller-way special reduction gear, and this speed reducer Environmental Conditions and operating mode are abominable, and the design output torque is big, and overload requires very high.
Most preferred embodiment of the present invention is illustrated, and various variations or the remodeling made by those of ordinary skills can not depart from the scope of the present invention.
Claims (7)
1, planetary speed reducer specially for roller way, comprise flange (3), casing, sun gear, planet wheel, planet carrier, output hollow shaft (15), it is characterized in that: described casing comprises preceding body (7) and back body (12), before be provided with first order ring gear and second level ring gear in the body (7), and preceding body (7) through fastening piece with after body and working machine connect;
Described sun gear comprises first order sun gear (2) and second level sun gear (11); Planet carrier comprises first order planet carrier (5) and second level planet carrier (8); Described planet wheel comprises first order planet wheel (6) and second level planet wheel (9); Described first order sun gear (2), second level sun gear (11), first order planet carrier (5), second level planet carrier (8) and output hollow shaft (15) concentric; Described first order sun gear (2) is connected on the speed reducer output shaft through C type flat key; First order planet carrier (5) and second level sun gear (11) connect through the spline mode, and second level planet carrier (8) is connected on the output hollow shaft (15) through the spline mode; Uniform at least two first order planet wheels of first order planet carrier (5) periphery (6), uniform at least two second level planet wheels of second level planet carrier (8) periphery (9); Described at least two first order planet wheels (6) are installed in respectively on corresponding first order planet carrier (5) uniform two first order planet axis of periphery (4) through full type roller bearing at least, described at least two second level planet wheels (9) are installed in respectively on corresponding second level planet carrier (8) uniform two second level planet axis of periphery (10) through full type roller bearing at least, and corresponding described first order planet wheel (6) and second level planet wheel (9) often mesh with corresponding ring gear and corresponding sun gear at the same level respectively.
2, planetary speed reducer specially for roller way according to claim 1 is characterized in that: described first order planet carrier (5) periphery uniform four first order planet wheels (6), second level planet carrier (8) periphery uniform four second level planet wheels (9); Described four first order planet wheels (6) are installed in respectively on corresponding first order planet carrier (5) uniform four first order planet axis of periphery (4) through full type roller bearing, described four second level planet wheels (9) are installed in respectively on corresponding second level planet carrier (8) uniform four second level planet axis of periphery (10) through full type roller bearing, and corresponding described four first order planet wheels (6) and four second level planet wheels (9) often mesh with corresponding ring gear and corresponding sun gear at the same level respectively.
3, planetary speed reducer specially for roller way according to claim 2, it is characterized in that: described output hollow shaft (15) is installed on back body (12) by deep groove ball bearing, and the bearing that is used to install the corresponding row star-wheel on first order planet carrier (5) and the second level planet carrier (8) is the full roller roller bearing of same size.
4, according to the described planetary speed reducer specially for roller way of the arbitrary claim of claim 1 to 3, it is characterized in that: between described first order sun gear (2) and the preceding body (7), and between output hollow shaft (15) and the back body (12) oil sealing (14) is housed all.
5, planetary speed reducer specially for roller way according to claim 4 is characterized in that: described oil sealing (14) is an outside framework oil seal.
6, planetary speed reducer specially for roller way according to claim 4 is characterized in that: described output hollow shaft (15) periphery is provided with the expansion set (16) that links with operation mechanism.
7, planetary speed reducer specially for roller way according to claim 4 is characterized in that: described first order planet carrier (5) and second level planet carrier (8) Spielpassung.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100680452A CN100529463C (en) | 2007-04-13 | 2007-04-13 | Planetary speed reducer specially for roller way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100680452A CN100529463C (en) | 2007-04-13 | 2007-04-13 | Planetary speed reducer specially for roller way |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101046238A CN101046238A (en) | 2007-10-03 |
| CN100529463C true CN100529463C (en) | 2009-08-19 |
Family
ID=38771077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100680452A Expired - Fee Related CN100529463C (en) | 2007-04-13 | 2007-04-13 | Planetary speed reducer specially for roller way |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100529463C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032323A (en) * | 2010-10-08 | 2011-04-27 | 吴声震 | Special large-torque planetary gearbox for roller way |
| CN102295140A (en) * | 2011-06-01 | 2011-12-28 | 江苏上齿集团有限公司 | Mining scraper conveyor speed reducer |
-
2007
- 2007-04-13 CN CNB2007100680452A patent/CN100529463C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101046238A (en) | 2007-10-03 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090819 Termination date: 20170413 |