CN100489339C - Planetary speed reducer specially for continuous casting - Google Patents
Planetary speed reducer specially for continuous casting Download PDFInfo
- Publication number
- CN100489339C CN100489339C CNB2007100680467A CN200710068046A CN100489339C CN 100489339 C CN100489339 C CN 100489339C CN B2007100680467 A CNB2007100680467 A CN B2007100680467A CN 200710068046 A CN200710068046 A CN 200710068046A CN 100489339 C CN100489339 C CN 100489339C
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- planet carrier
- level
- sun gear
- bearing
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Abstract
The planetary speed reducer specially for continuous casting includes one cabinet assembled with one front body, one back body, one first middle body, one second middle body and one third middle body; four ring gears connected through pins and screws; one input shaft, planet carriers, sun gears and one output shaft coaxial mutually. The input shaft on the front body is float connected to the first sun gear through a ring gear, the first planet carrier is connected to the second sun gear through one spline, the second planet carrier is connected to the thir sun gear through one spline, the third planet carrier is connected to the fourth sun gear through one spline and mounted through bearing on the second middle body and the third middle body, the four planet carrier is mounted through bearing on the third middle body and the back body and has one end extending beyond the back body to constitute the hollow output shaft. The present invention has compact structure, high reliability and other advantages.
Description
Technical field
The present invention relates to a kind of speed reducer, especially a kind of planetary speed reducer specially for continuous casting.
Background technique
Generally adopt the continuous casting-rolling technology of saving energy and reduce the cost at process for making in steel mill's reducing energy consumption, its production line key equipment continuous casting planetary speed reducer is badly in need of production domesticization to substitute import, 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, long service life, the sensitivity of floating and the good planetary speed reducer specially for continuous casting of load are provided.
The present invention solves the problems of the technologies described above the technological scheme that is adopted: planetary speed reducer specially for continuous casting, include casing, casing is by preceding body, body in the back body and first, in second in the body and the 3rd body be assembled, the technical measures of taking also comprise: be provided with first order ring gear in the preceding body and first between the body, be provided with second level ring gear in first in the body and second between the body, be provided with third level ring gear in second in the body and the 3rd between the body, be provided with fourth stage ring gear between body and the back body in the 3rd, and all by pin and Bolt Connection; Input shaft, planet carrier at different levels, sun gear at different levels, output shaft concentric; Input shaft is by on the Bearing Installation mmi machine body, input shaft floats by internal tooth casing with first order sun gear and connects, the removable assembling of turning around after excessive wear of first order sun gear is used, first order planet carrier and second level sun gear pass through splined, second level planet carrier and third level sun gear pass through splined, third level planet carrier and fourth stage sun gear pass through splined, third level planet carrier by Bearing Installation in second in the body and the 3rd on the body, in the 3rd on body and the back body, fourth stage planet carrier one end stretches out the back body and constitutes hollow output shaft fourth stage planet carrier by Bearing Installation.
The concrete technical measures of taking also comprise: above-mentioned uniform three first order planet wheels of first order planet carrier periphery, all the other third-level planetary frame peripheries are four planet wheels of uniform corresponding level respectively, planet wheels at different levels all are installed in respectively on the uniform corresponding planet axis of the planet carrier periphery of appropriate level by bearing, and often mesh with corresponding ring gear and sun gear at the same level respectively.
Before the deep groove ball bearing of above-mentioned input shaft by same specification is installed in before the body on the body, the bearing that is used to install first order planet wheel on the first order planet carrier is a roller bearing, and postorder planet carriers at different levels are full roller roller bearing.
The deep groove ball bearing of above-mentioned third level planet carrier by different size is installed in second on the body, and fourth stage planet carrier is installed in the 3rd on the body and back body by deep groove ball bearing and spheric roller bearing respectively.
Between above-mentioned input shaft and the preceding body, and as between the fourth stage planet carrier of output shaft and the back body oil sealing being housed all;
Above-mentioned oil sealing is an outside framework oil seal.
Above-mentioned fourth stage planet carrier periphery is provided with the expansion set that links with operation mechanism.
Compared with prior art, rotating speed of the present invention is higher, the first order sun gear removable assembling of turning around after excessive wear faster of wearing and tearing is used, and makes first order sun gear have twice working life; Sun gear hollow design at different levels, the weight saving thereby the sensitivity of under the low speed situation, still floating, carrying is evenly; Last two-stage causes the unsteady difficulty of planet carrier to take the bearings at both ends supporting because of rotating speed is low excessively; Assembling SKF 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 to be the special-purpose planetary speed reducer of the continuous casting of the supporting design of billet continuous casting production line, and this speed reducer Environmental Conditions and operating mode are abominable, require the design output torque 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 left side is looked.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Fig. 1, shown in Figure 2,1, oil hydraulic motor, 2, input shaft, 3, preceding body, 4, internal tooth casing, 5, first order sun gear, 6, first order planet wheel, 7, first order ring gear, 8, first order planet carrier, 9, second level sun gear, 10, body in first, 11, second level planet wheel, 12, second level ring gear, 13, second level planet carrier, 14, third level sun gear, 15, body in second, 16, third level planet wheel, 17, third level ring gear, 18, third level planet carrier, 19, body in the 3rd, 20, fourth stage sun gear, 21, fourth stage planet wheel, 22, fourth stage ring gear, 23, planet axis, 24, bearing, 25, fourth stage planet carrier, 26, expansion set, 27, back body, 28, oil sealing.
Specific embodiments of the invention, planetary speed reducer specially for continuous casting, include casing, casing is by preceding body 3, body 10 in the back body 27 and first, in second in the body 15 and the 3rd body 19 be assembled, the technical measures of taking also comprise: be provided with first order ring gear 7 between the body 10 in the preceding body 3 and first, be provided with second level ring gear 12 in first in the body 10 and second between the body 15, be provided with third level ring gear 17 in second in the body 15 and the 3rd between the body 19, be provided with fourth stage ring gear 22 between body 19 and the back body 27 in the 3rd, and all by pin and Bolt Connection; Input shaft 2, planet carrier at different levels, sun gear at different levels, output shaft concentric; Input shaft 2 is by on the Bearing Installation mmi machine body 3, input shaft 2 floats by internal tooth casing 4 with first order sun gear 5 and connects, first order sun gear 5 removable assembling of turning around after excessive wear is used, first order planet carrier 8 and second level sun gear 9 pass through splined, second level planet carrier 13 and third level sun gear 14 pass through splined, third level planet carrier 18 and fourth stage sun gear 20 pass through splined, third level planet carrier 18 by Bearing Installation in second in the body 15 and the 3rd on the body 19, fourth stage planet carrier 25 is installed in the 3rd on body 19 and the back body 27 by bearing 24, and fourth stage planet carrier 25 1 ends stretch out back body 27 and constitute hollow output shaft.
Uniform three first order planet wheels 6 of first order planet carrier 8 peripheries, all the other third-level planetary frame peripheries are four planet wheels of uniform corresponding level respectively; Just uniform four second level planet wheels 11 of second level planet carrier 13 periphery, uniform four third level planet wheels 16 of third level planet carrier 18 peripheries, uniform four fourth stage planet wheels 21 of fourth stage planet carrier 25 peripheries; Planet wheels at different levels all are installed in respectively on the uniform corresponding planet axis 23 of the planet carrier periphery of appropriate level by bearing, and often mesh with corresponding ring gear and sun gear at the same level respectively.Before the SKF deep groove ball bearing of input shaft 2 by same specification is installed in before the body on the body 3, the bearing that is used to install first order planet wheel 6 on the first order planet carrier 8 is a roller bearing, and postorder planet carriers at different levels are full roller roller bearing.The deep groove ball bearing of third level planet carrier 18 by different size is installed in second on the body 15, and fourth stage planet carrier 25 is installed in the 3rd on the body 19 and back body 27 by SKF deep groove ball bearing and spheric roller bearing respectively.Between input shaft 2 and the preceding body 3, and as between the fourth stage planet carrier 25 of output shaft and the back body 27 oil sealing 28 being housed all; Above-mentioned oil sealing preferably be outside framework oil seal.Above-mentioned fourth stage planet carrier 25 peripheries are provided with the expansion set 26 that links with operation mechanism.
Advantage of the present invention is: rotating speed is higher, the first order sun gear removable assembling of turning around after excessive wear faster of wearing and tearing is used, and makes first order sun gear have twice working life; Sun gear hollow design at different levels, the weight saving thereby the sensitivity of under the low speed situation, still floating, carrying is evenly; Last two-stage causes the unsteady difficulty of planet carrier to take the bearings at both ends supporting because of rotating speed is low excessively; Assembling SKF 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 to be the special-purpose planetary speed reducer of the continuous casting of the supporting design of billet continuous casting production line, and this speed reducer Environmental Conditions and operating mode are abominable, require the design output torque 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 (1)
1, planetary speed reducer specially for continuous casting, include casing, casing is by preceding body (3), body (10) in the back body (27) and first, body (19) is assembled in the body in second (15) and the 3rd, it is characterized in that: be provided with first order ring gear (7) between the body (10) in the body (3) and first before described, be provided with second level ring gear (12) in the body in first (10) and second between the body (15), be provided with third level ring gear (17) in the body in second (15) and the 3rd between the body (19), be provided with fourth stage ring gear (22) between body in the 3rd (19) and the back body (27), and all by pin and Bolt Connection; Described input shaft (2), planet carrier at different levels, sun gear at different levels, output shaft concentric; Input shaft (2) is by on the Bearing Installation mmi machine body (3), input shaft (2) floats by internal tooth casing (4) with first order sun gear (5) and connects, first order planet carrier (8) and second level sun gear (9) pass through splined, second level planet carrier (13) and third level sun gear (14) pass through splined, third level planet carrier (18) and fourth stage sun gear (20) pass through splined, third level planet carrier (18) by Bearing Installation in second in the body (15) and the 3rd on the body (19), in the 3rd on body (19) and back body (27), fourth stage planet carrier (25) one ends stretch out back body (27) and constitute hollow output shaft fourth stage planet carrier (25) by Bearing Installation; Described first order planet carrier periphery uniform three first order planet wheels (6), all the other third-level planetary frame peripheries are four planet wheels of uniform corresponding level respectively, planet wheels at different levels all are installed in respectively on the uniform corresponding planet axis (23) of the planet carrier periphery of appropriate level by bearing, and often mesh with corresponding ring gear and sun gear at the same level respectively; Between described input shaft (2) and the preceding body (3), and as between the fourth stage planet carrier (25) of output shaft and the back body (27) oil sealing (28) being housed all; Described oil sealing is an outside framework oil seal; Described fourth stage planet carrier (25) periphery is provided with the expansion set (26) that links with operation mechanism; Before the deep groove ball bearing of described input shaft (2) by same specification is installed in before the body on the body (3), the bearing that is used to install first order planet wheel (6) on the first order planet carrier (8) is a roller bearing, and postorder planet carriers at different levels are full roller roller bearing; Described third level planet carrier (18) is installed on the body in second (15) by the deep groove ball bearing of different size, and fourth stage planet carrier (25) is installed on body in the 3rd (19) and the back body (27) by deep groove ball bearing and spheric roller bearing respectively; Rotating speed is higher, the first order sun gear that weares and teares faster can be taken the assembling of turning around apart and use after excessive wear, and prolonged the working life of first order sun gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100680467A CN100489339C (en) | 2007-04-13 | 2007-04-13 | Planetary speed reducer specially for continuous casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100680467A CN100489339C (en) | 2007-04-13 | 2007-04-13 | Planetary speed reducer specially for continuous casting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101046240A CN101046240A (en) | 2007-10-03 |
| CN100489339C true CN100489339C (en) | 2009-05-20 |
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ID=38771078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100680467A Expired - Fee Related CN100489339C (en) | 2007-04-13 | 2007-04-13 | Planetary speed reducer specially for continuous casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100489339C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104439096B (en) * | 2014-09-15 | 2018-06-15 | 宝鼎科技股份有限公司 | Self-elevating ocean platform lifting tooth roller box planet carrier casting forming die and method |
| CN106609814A (en) * | 2016-04-14 | 2017-05-03 | 常州市金致机械制造有限公司 | Planetary gear reducer for concrete tanker |
| CN114380225B (en) * | 2021-12-29 | 2023-09-26 | 江苏汇智高端工程机械创新中心有限公司 | Compact winch speed reducer |
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2007
- 2007-04-13 CN CNB2007100680467A patent/CN100489339C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101046240A (en) | 2007-10-03 |
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| Date | Code | Title | Description |
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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: 20090520 Termination date: 20170413 |