CN101433917A - Speed reducer capable of regulating speed for aluminum plate rolling mill - Google Patents
Speed reducer capable of regulating speed for aluminum plate rolling mill Download PDFInfo
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- CN101433917A CN101433917A CNA2008102314258A CN200810231425A CN101433917A CN 101433917 A CN101433917 A CN 101433917A CN A2008102314258 A CNA2008102314258 A CN A2008102314258A CN 200810231425 A CN200810231425 A CN 200810231425A CN 101433917 A CN101433917 A CN 101433917A
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Abstract
The invention relates to a speed variable reducer for an aluminum plate rolling mill, wherein an input shaft 1, a transitional gear shaft 4 and an output shaft 8 are all arranged on a horizontal center line of a gear box body 9 in sequence through bearings on both ends; the input shaft is provided with speed-changing bevel gear I2 and a speed-changing bevel gear II3 which adopts the mode of spline linkage, the two speed-changing bevel gears have unequal diameter and the same bevel direction and certain mounting spacing; both a duplex gear 5 and a duplex gear 6 which are engaged with the two speed-changing bevel gears are arranged on the gear shaft through built-in bearings, and spline tooth ends are arranged back to back; an outer spline tooth sleeve 10 is arranged on the gear shaft; an inner spline tooth sleeve 11 can perform axial displacement along the outer spline tooth sleeve through a speed-changing shifting fork 12 and be engaged with the spline tooth end of a duplex gear I or engaged with the spline tooth end of a duplex gear II; and skewed teeth which are arranged on the gear shaft is engaged with a large gear 7 which is arranged on the output shaft 8. Due to adoption of the speed-changing mechanism of the spline tooth sleeve, the speed variable reducer for the aluminum plate rolling mill is simple in speed regulation, and has the advantages of compact structure, light weight, strong bearing capacity and stable and reliable operation.
Description
Technical field
The invention belongs to the reductor technical field, refer more particularly to a kind of adjustable speed reductor that is used for aluminium sheet mill.
Background technology
Entered since 21st century, the aluminium sheet of China, band, the rolling industry of paper tinsel have entered to adjust the high speed development stage of equipment configuration, technical pattern, product structure etc., built up a collection of advanced person's production line of rolling mill, the quality of part aluminium sheet, band, paper tinsel near or reach advanced world standards, China is strided forward to power by aluminium sheet, band, the rolling big country of paper tinsel.
At present, China's aluminium foil output has surpassed the U.S. and has occupied first place in the world, and the production capacity of aluminium sheet, band and actual production are only second to the U.S. and occupy the second place of the world.And gear-box is as the indispensable power transmission device of production line of rolling mill, quality that it manufactures and designs and service life, direct continuity and the product yield produced of influence: when any one part in the gear-box (as bearing etc.) when damaging, the capital causes whole production line to stop production, and causes great economic loss.
Conventional aluminum plate mill gear-box is generally the single speed ratio of middle hard gear-face, and middle hard gear-face is used for present high yield production line, cause equipment volume and weight huge, and gear wear is serious, causes the very fast inefficacy of gear-box; Single speed ratio is unfavorable for the adjustment of mill speed, the rolling shortage flexibility of production line.
Summary of the invention
For addressing the above problem, the present invention has designed a kind of adjustable speed reductor that is used for aluminium sheet mill, and its purpose is that bearing capacity is strong for aluminium sheet mill provides a kind of rational in infrastructure, the reliable adjustable speed reductor of stable working.
For achieving the above object, the present invention adopts following technical scheme:
The described adjustable speed reductor that is used for aluminium sheet mill, its design is the center line configured in parallel with three power transmission shafts, power shaft is provided with the speed change helical gear that two diameters do not wait, being provided with two on the transition gear axle can be with the duplicate gear of gear shaft idle running, two duplicate gears mesh with two speed change helical gears respectively, two duplicate gears are oppositely installed and are had a determining deviation, be provided with the spline tooth cover at interval, the spline tooth cover can mesh with the non-drive splines increment of arbitrary duplicate gear to realize speed change by gear shift fork, and another duplicate gear is implemented idle running, the helical teeth that self be provided with on the gear shaft this moment again with output shaft on the gear wheel engagement that is provided with implement speed change output to drive output shaft.
The adjustable speed reductor that is used for aluminium sheet mill according to above-mentioned design, its power shaft, the transition gear axle, output shaft all is installed on the horizontal center line of gearbox body successively by bearings at both ends, power shaft self is provided with speed change helical gear I and passes through the speed change helical gear II of key connecting, two speed change helical gear diameters do not wait but have identical helical teeth to certain installing space, all be mounted respectively relevant position with the duplicate gear I of speed change helical gear I engagement with the duplicate gear II of speed change helical gear II engagement at the transition gear axle by buried bearing, the installing space that the spline increment of two duplicate gears is installed back-to-back and equated with the maintenance of two speed change helical gears, the gear shaft of this installing space is provided with the external spline teeth cover, the inner spline gear cover can overlap the spline increment engagement of axial displacement and duplicate gear I along external spline teeth by gear shift fork, or with the engagement of the spline increment of duplicate gear II, the helical teeth that self is provided with on the gear shaft again with output shaft on the gear wheel engagement that is provided with.
The adjustable speed reductor that is used for aluminium sheet mill according to above-mentioned design, its gear shift fork is a linkage structure, the gearbox body that its an end handle is set at the output axle head is used to control the axial displacement that its inner spline gear overlaps outward, the other end is fixed on the two ends that inner spline gear overlaps by connecting rod, rotates on the connecting rod rack that the connecting rod two ends are separately fixed on the gearbox body and gearbox body is interior.
Because adopt aforesaid technical scheme, the present invention has following superiority:
1, the present invention adopts the adjustable two kinds of speed ratios of machinery, compares with electrical speed regulation, has reduced equipment investment cost, has improved the production flexibility.
2, adopt slippage spline housing gear, compare size with the double crosslinking sliding gear speed change and reduce, weight obviously reduces, and makes arrangements for speed regulation simple, and compact conformation is easy and simple to handle.
3, institute's sprocket drive spindle and gear adopt high-quality matter alloy carburizing steel 20CrMnMo, 20CrNi2Mo or 17CrNiMo6 to make, and tooth face hardness reaches HRC58～62; Precision of grinding teeth reaches 5 grades of GB10095-2001, has greatly improved the bearing capacity and the wearability of gear, has prolonged service life.
4, the present invention's compactness rational in infrastructure, in light weight, bearing capacity is strong, and stable working is reliable.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is K-K cutaway view of Fig. 1.
Among Fig. 1: 1-power shaft; 2-speed change helical gear I; 3-speed change helical gear II; 4-gear shaft; 5-duplicate gear I; 6-duplicate gear II; 7-gear wheel; 8-output shaft; 9-gearbox body; 10-external spline teeth cover; 11-inner spline gear cover; 12-shift fork.
The specific embodiment
The adjustable speed reductor that is used for aluminium sheet mill of the present invention, its design is the center line configured in parallel with three power transmission shafts, power shaft is provided with the speed change helical gear that two diameters do not wait, being provided with two on the transition gear axle can be with the duplicate gear of gear shaft idle running, two duplicate gears mesh with two speed change helical gears respectively, two duplicate gears are oppositely installed and are had a determining deviation, be provided with the spline tooth cover at interval, the spline tooth cover can mesh with the non-drive splines increment of arbitrary duplicate gear to realize speed change by gear shift fork, and another duplicate gear is implemented idle running, the helical teeth that self be provided with on the gear shaft this moment again with output shaft on the gear wheel engagement that is provided with implement speed change output to drive output shaft.
In conjunction with Fig. 1,2, the adjustable speed reductor that is used for aluminium sheet mill of wood invention, its power shaft (1), transition gear axle (4), output shaft (8) all is installed on the horizontal center line of gearbox body (9) successively by bearings at both ends, power shaft (1) self is provided with speed change helical gear I (2) and passes through the speed change helical gear II (3) of key connecting, two speed change helical gears (2,3) diameter do not wait but have identical helical teeth to certain installing space, all be mounted respectively relevant position with the duplicate gear I (5) of speed change helical gear I (2) engagement with the duplicate gear II (6) of speed change helical gear II (3) engagement in transition gear axle (4) by buried bearing, two duplicate gears (5,6) spline increment install back-to-back and with two speed change helical gears (2,3) keep equal installing space, the gear shaft of this installing space (4) is provided with external spline teeth cover (10), inner spline gear cover (11) by gear shift fork (12) can along (10) axial displacement of external spline teeth cover and with the engagement of the spline increment of duplicate gear I (5), or with the engagement of the spline increment of duplicate gear II (6), gear shaft (4) is gone up the helical teeth that self is provided with and is gone up gear wheel (7) engagement that is provided with output shaft (8) again.
In conjunction with Fig. 1,2, the adjustable speed reductor that is used for aluminium sheet mill of the present invention, its gear shift fork (12) is a linkage structure, an its end handle is set at the outer axial displacement that is used to control its inner spline gear cover (11) of gearbox body (9) of power shaft (1) end, the other end is fixed on the two ends of inner spline gear cover (11) by connecting rod, and the connecting rod two ends are separately fixed on the connecting rod rack that gearbox body (9) is gone up and gearbox body (9) is interior and rotate.
Gearbox body of the present invention (9) adopts the transmission of expansion two-stage speed change parallel axis hard-tooth surface helical gear, adjustable two kinds of speed ratios, when adopting than large speed ratio, shift fork (12) is moved to the left, sky is enclosed within duplicate gear II (6) idle running on the gear shaft (4), inner spline gear cover (11) meshes with the external splines of duplicate gear I (5), and driven gear axle (4) is gone up the helical teeth helical teeth that self is provided with and driven gear wheel (7) transmission that output shaft (8) is gone up setting; When adopting less speed ratio, shift fork (12) moves right, sky is enclosed within duplicate gear I (5) idle running on the gear shaft (4), inner spline gear cover (11) meshes with the external splines of duplicate gear II (6), and driven gear axle (4) is gone up the helical teeth helical teeth that self is provided with and driven gear wheel (7) transmission that output shaft (8) is gone up setting.Adopt this kind spline tooth cover gear, make speed governing of the present invention simple, compact conformation.All power transmission shafts all use roller bearings, are easy to change and maintenance, have reduced the operation and maintenance cost.Institute's sprocket drive spindle and meshing gear adopt high duty alloy carburizing steel 20CrNi2Mo or 17CrNiMo6 to make, tooth face hardness reaches HRC58～62, precision of grinding teeth can reach 5 grades of GB10095-2001, the bearing capacity and the wearability of gear have been improved, prolonged service life, it is reasonable, in light weight to have a compact conformation, bearing capacity is strong, and stable working is reliable.
Claims (3)
1, a kind of adjustable speed reductor that is used for aluminium sheet mill, it is characterized in that: this adjustable speed reductor design is the center line configured in parallel with three power transmission shafts, power shaft is provided with the speed change helical gear that two diameters do not wait, being provided with two on the transition gear axle can be with the duplicate gear of gear shaft idle running, two duplicate gears mesh with two speed change helical gears respectively, two duplicate gears are oppositely installed and are had a determining deviation, be provided with the spline tooth cover at interval, the spline tooth cover can mesh with the non-drive splines increment of arbitrary duplicate gear to realize speed change by gear shift fork, and another duplicate gear is implemented idle running, the helical teeth that self be provided with on the gear shaft this moment again with output shaft on the gear wheel engagement that is provided with implement speed change output to drive output shaft.
2, the adjustable speed reductor that is used for aluminium sheet mill according to claim 1, it is characterized in that: its power shaft (1), transition gear axle (4), output shaft (8) all is installed on the horizontal center line of gearbox body (9) successively by bearings at both ends, power shaft (1) self is provided with speed change helical gear I (2) and passes through the speed change helical gear II (3) of key connecting, two speed change helical gears (2,3) the little grade of diameter but have identical helical teeth to certain installing space, all be mounted respectively relevant position with the duplicate gear I (5) of speed change helical gear I (2) engagement with the duplicate gear II (6) of speed change helical gear II (3) engagement in transition gear axle (4) by buried bearing, two duplicate gears (5,6) spline increment install back-to-back and with two speed change helical gears (2,3) keep equal installing space, the gear shaft of this installing space (4) is provided with external spline teeth cover (10), inner spline gear cover (11) by gear shift fork (12) can along (10) axial displacement of external spline teeth cover and with the engagement of the spline increment of duplicate gear I (5), or with the engagement of the spline increment of duplicate gear II (6), gear shaft (4) is gone up the helical teeth that self is provided with and is gone up gear wheel (7) engagement that is provided with output shaft (8) again.
3, the adjustable speed reductor that is used for aluminium sheet mill according to claim 1, it is characterized in that: its gear shift fork (12) is a linkage structure, an its end handle is set at the outer axial displacement that is used to control its inner spline gear cover (11) of gearbox body (9) of power shaft (1) end, the other end is fixed on the two ends of inner spline gear cover (11) by connecting rod, and the connecting rod two ends are separately fixed on the connecting rod rack that gearbox body (9) is gone up and gearbox body (9) is interior and rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102314258A CN101433917A (en) | 2008-12-08 | 2008-12-08 | Speed reducer capable of regulating speed for aluminum plate rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102314258A CN101433917A (en) | 2008-12-08 | 2008-12-08 | Speed reducer capable of regulating speed for aluminum plate rolling mill |
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| Publication Number | Publication Date |
|---|---|
| CN101433917A true CN101433917A (en) | 2009-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008102314258A Pending CN101433917A (en) | 2008-12-08 | 2008-12-08 | Speed reducer capable of regulating speed for aluminum plate rolling mill |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072289A (en) * | 2011-01-28 | 2011-05-25 | 江阴克威齿轮箱制造有限公司 | Reducer with changeable transmission ratio |
| WO2013174116A1 (en) * | 2012-05-23 | 2013-11-28 | 中冶赛迪工程技术股份有限公司 | Gear speed-shifting device for high speed rolling mill |
| CN105864307A (en) * | 2016-04-19 | 2016-08-17 | 大连三高科技发展有限公司 | Separating and coupling device for horizontal transmission shaft and roller shaft of rolling mill |
| CN107866444A (en) * | 2017-12-12 | 2018-04-03 | 北京蒂本斯工程技术有限公司 | A kind of milling train combination gear case |
| CN107953318A (en) * | 2018-01-18 | 2018-04-24 | 合肥工业大学 | A kind of electrodeless adjustment length mechanism for lower limb rehabilitation robot |
| CN112240371A (en) * | 2020-11-23 | 2021-01-19 | 中国重型机械研究院股份公司 | Two-stage speed change gear transmission mechanism suitable for slab band production |
| CN112815048A (en) * | 2021-01-08 | 2021-05-18 | 安徽海一重工有限公司 | Novel reduction gearbox of coiling machine |
-
2008
- 2008-12-08 CN CNA2008102314258A patent/CN101433917A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072289A (en) * | 2011-01-28 | 2011-05-25 | 江阴克威齿轮箱制造有限公司 | Reducer with changeable transmission ratio |
| CN102072289B (en) * | 2011-01-28 | 2013-10-23 | 江阴克威齿轮箱制造有限公司 | Reducer with changeable transmission ratio |
| WO2013174116A1 (en) * | 2012-05-23 | 2013-11-28 | 中冶赛迪工程技术股份有限公司 | Gear speed-shifting device for high speed rolling mill |
| CN105864307A (en) * | 2016-04-19 | 2016-08-17 | 大连三高科技发展有限公司 | Separating and coupling device for horizontal transmission shaft and roller shaft of rolling mill |
| CN105864307B (en) * | 2016-04-19 | 2018-02-23 | 大连三高科技发展有限公司 | The arrangement of clutch of milling train horizontal drive shaft and roll shaft |
| CN107866444A (en) * | 2017-12-12 | 2018-04-03 | 北京蒂本斯工程技术有限公司 | A kind of milling train combination gear case |
| CN107953318A (en) * | 2018-01-18 | 2018-04-24 | 合肥工业大学 | A kind of electrodeless adjustment length mechanism for lower limb rehabilitation robot |
| CN112240371A (en) * | 2020-11-23 | 2021-01-19 | 中国重型机械研究院股份公司 | Two-stage speed change gear transmission mechanism suitable for slab band production |
| CN112815048A (en) * | 2021-01-08 | 2021-05-18 | 安徽海一重工有限公司 | Novel reduction gearbox of coiling machine |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090520 |