CN112343977B - Multi-shaft distribution box for steel mill - Google Patents
Multi-shaft distribution box for steel mill Download PDFInfo
- Publication number
- CN112343977B CN112343977B CN202011484728.8A CN202011484728A CN112343977B CN 112343977 B CN112343977 B CN 112343977B CN 202011484728 A CN202011484728 A CN 202011484728A CN 112343977 B CN112343977 B CN 112343977B
- Authority
- CN
- China
- Prior art keywords
- output
- shaft
- output shaft
- box body
- shafts
- 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.)
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Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 15
- 239000010959 steel Substances 0.000 title claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 abstract description 7
- 239000003638 chemical reducing agent Substances 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/085—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with more than one output shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
- B21B35/12—Toothed-wheel gearings specially adapted for metal-rolling mills; Housings or mountings therefor
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02069—Gearboxes for particular applications for industrial applications
-
- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02086—Measures for reducing size of gearbox, e.g. for creating a more compact transmission casing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
Abstract
The invention relates to the field of speed reducers, and provides a multi-shaft distribution box for a steel mill. Seven output shafts are divided into three groups, three output shafts with different reduction ratios are provided, and the same-direction output of each output shaft is realized through the meshing transmission of a plurality of intermediate shafts; the technical scheme has compact structure and stable transmission, and can meet the requirement of rolling the steel plate.
Description
Technical Field
The invention relates to the field of speed reducers, in particular to a multi-shaft distribution box for a steel mill.
Background
In the rolling process of a steel mill, a high-temperature thick steel plate is sequentially thinned through a plurality of pressing rollers until the thickness reaches a proper thickness. The multiple press rolls need to keep the same rotation in the rolling process, and the pressure of the press rolls is gradually reduced along with the thickness thinning of the steel plate in the rolling process. There is a need for a gearbox that can provide multi-axis, co-directional output with progressively less output torque.
Disclosure of Invention
The invention aims to provide a multi-shaft distribution box for a steel mill, which meets the rolling requirement of steel plates in the steel mill.
The technical scheme adopted by the invention is as follows:
The multi-shaft distribution box for the steel mill comprises a box body, an input shaft, a multi-stage intermediate shaft and a multi-stage output shaft, wherein the box body comprises an upper box body, a middle box body and a lower box body, the upper box body is internally supported with the input shaft by a bearing seat, an input gear is arranged on the input shaft, three intermediate shafts are supported between the upper box body and the middle box body by bearings, reversing gears are respectively arranged on the intermediate shafts, six output shafts are supported between the middle box body and the lower box body by bearings, output gears are respectively arranged on the output shafts, intermediate gears meshed with the input gears are respectively arranged on the second output shaft and the fourth output shaft, the second output shaft and the fourth output shaft are distributed on two sides of the input shaft, the same output gears are arranged on the first output shaft, the reversing gears on the first intermediate shaft are simultaneously meshed with the output gears on the first output shaft and the second output shaft, the reversing gears on the second intermediate shaft are simultaneously meshed with the output gears on the second output shaft and the third output shaft; the same output gears are arranged on the fourth output shaft and the fifth output shaft, and the reversing gear on the third intermediate shaft is meshed with the output gears on the fourth output shaft and the fifth output shaft simultaneously; the lower box body is internally provided with a fourth intermediate shaft, the upper box body is internally provided with a seventh output shaft, the sixth output shaft and the seventh output shaft are provided with identical and meshed output gears, the output gear of the fifth output shaft is meshed with an intermediate gear on the fourth intermediate shaft, and a transmission gear on the fourth intermediate shaft is meshed with the output gear of the sixth output shaft.
Further, the seventh output shaft is located directly above the sixth output shaft.
Further, the reduction ratios between the first, second, and third intermediate shafts and the corresponding output shafts are different.
Still further, the reduction ratio between the first, second, third intermediate shafts and the corresponding output shafts gradually decreases.
After the technical scheme is adopted, the beneficial effects of the invention are as follows: seven output shafts in the technical scheme are divided into three groups, three output shafts with different reduction ratios are provided, and the same-direction output of each output shaft is realized through the meshing transmission of a plurality of intermediate shafts; the technical scheme has compact structure and stable transmission, and can meet the requirement of rolling the steel plate.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a rear view of the present invention;
FIG. 3 is a view A-A of the present invention;
FIG. 4 is a B-B view of the present invention.
Detailed Description
The following detailed description of the invention refers to the accompanying drawings, which illustrate specific embodiments of the invention: as shown in the figure, the multi-shaft distribution box for the steel mill comprises a box body, an input shaft 1, four intermediate shafts and seven output shafts. The box body is divided into an upper box body 2, a middle box body 3 and a lower box body 4, an input shaft 1 is supported in the upper box body 2 by a bearing seat, an input gear 5 is arranged on the input shaft 1, a first middle shaft 6, a second middle shaft 7 and a third middle shaft 8 are supported between the upper box body 2 and the middle box body 3 by bearings, reversing gears 9 are respectively arranged on the middle shafts, six output shafts are supported between the middle box body 3 and the lower box body 4 by bearings, an output gear 10 is respectively arranged on each output shaft, middle gears 18 meshed with the input gear 5 are respectively arranged on second output shafts 12 and fourth output shafts 14, the same output gears 10 are arranged on the first output shafts 11, the second output shafts 12 and the third output shafts 11,12,13, the reversing gears on the first middle shaft 6 are simultaneously meshed with the output gears on the first output shafts 11, the second output shafts 12, the reversing gears on the second middle shaft 7 are simultaneously meshed with the output gears on the second output shafts 12, the third output shafts 13, so that the first output shafts 11, the second output shafts 12, the third output shafts 11, 13 are in the same direction; the same output gears are arranged on the fourth and fifth output shafts 14,15, and the reversing gears on the third intermediate shaft 8 are simultaneously meshed with the output gears on the fourth and fifth output shafts 14,15, so that the fourth and fifth output shafts 14,15 output in the same direction and equal ratio; a fourth intermediate shaft 19 is installed in the lower case 4, a seventh output shaft 17 is also installed in the upper case 2, the same and meshed output gears are installed on the sixth and seventh output shafts 16 and 17, the output gear of the fifth output shaft 15 is meshed with an intermediate gear 20 on the fourth intermediate shaft 19, a transmission gear 21 on the fourth intermediate shaft 19 is meshed with the output gear of the sixth output shaft 16, the sixth output shaft 16 and the seventh output shaft 17 are reversely output in equal proportion, and the seventh output shaft 17 is positioned right above the sixth output shaft 16.
The reversing gears 9 of the three intermediate shafts 6,7,8 and the output gears 10 on the first to fifth output shafts are the same gears, the reduction ratios between the intermediate gears 18 of the second and fourth output shafts 12,14 and the input gear 5 are different, the reduction ratios of the first to third output shafts 11,12,13 are the largest, the fourth and fifth output shafts 14,15 are the largest, and the sixth and seventh output shafts 16,17 are the last. The input shaft 1 is positioned at the rear side of the box body, extends out of the front side of the box body, is connected with an input motor for input, and the shaft ends of the output shafts extend out of the front side of the box body and are connected with the press rolls of the rolling mill for output through universal couplings.
Claims (1)
1. The multi-shaft distribution box for the steel mill comprises a box body, an input shaft, a multi-stage intermediate shaft and a multi-stage output shaft, and is characterized in that the box body comprises an upper box body, a middle box body and a lower box body, the upper box body is internally supported by a bearing seat, the input shaft is provided with an input gear, three intermediate shafts are supported by bearings between the upper box body and the middle box body, the intermediate shafts are respectively provided with reversing gears, six output shafts are supported by bearings between the middle box body and the lower box body, each output shaft is respectively provided with an output gear, the second output shaft and the fourth output shaft are respectively provided with an intermediate gear meshed with the input gear, the second output shaft and the fourth output shaft are distributed on two sides of the input shaft, the first output shaft, the second output shaft and the third output shaft are respectively provided with the same output gear, the reversing gears on the first intermediate shaft are simultaneously meshed with the output gears on the first output shaft and the second output shaft, the reversing gears on the second intermediate shaft are simultaneously meshed with the output gears on the second output shaft and the third output shaft; the same output gears are arranged on the fourth output shaft and the fifth output shaft, and the reversing gear on the third intermediate shaft is meshed with the output gears on the fourth output shaft and the fifth output shaft simultaneously; a fourth intermediate shaft is arranged in the lower box body, a seventh output shaft is arranged in the upper box body, the same meshed output gears are arranged on the sixth output shaft and the seventh output shaft, the output gear of the fifth output shaft is meshed with an intermediate gear on the fourth intermediate shaft, and a transmission gear on the fourth intermediate shaft is meshed with the output gear of the sixth output shaft; the seventh output shaft is positioned right above the sixth output shaft; the reduction ratios between the first, second and third intermediate shafts and the corresponding output shafts are different; the reduction ratio between the first, second and third intermediate shafts and the corresponding output shafts is gradually reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011484728.8A CN112343977B (en) | 2020-12-16 | 2020-12-16 | Multi-shaft distribution box for steel mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011484728.8A CN112343977B (en) | 2020-12-16 | 2020-12-16 | Multi-shaft distribution box for steel mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112343977A CN112343977A (en) | 2021-02-09 |
| CN112343977B true CN112343977B (en) | 2024-06-07 |
Family
ID=74428209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011484728.8A Active CN112343977B (en) | 2020-12-16 | 2020-12-16 | Multi-shaft distribution box for steel mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112343977B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101476618A (en) * | 2009-01-14 | 2009-07-08 | 南京宁嘉机电有限公司 | Main gear case of internal mixer |
| CN102172842A (en) * | 2011-03-07 | 2011-09-07 | 大连佐佐木专用设备制造有限公司 | Gearbox capable of changing one input into four outputs |
| CN103307215A (en) * | 2013-06-27 | 2013-09-18 | 江苏赫夫特齿轮制造有限公司 | Double-input multi-output gear box structure |
| CN204852184U (en) * | 2015-07-13 | 2015-12-09 | 浙江恒齿传动机械有限公司 | Be used for wire -wound speed reducer |
| CN106438852A (en) * | 2016-08-30 | 2017-02-22 | 江苏泰隆减速机股份有限公司 | Five-roller flattener distribution box |
| CN108953497A (en) * | 2018-09-20 | 2018-12-07 | 江苏泰隆减速机股份有限公司 | A kind of special reduction gear on LT type heavy-duty drawing machine with water tanks |
| CN214305093U (en) * | 2020-12-16 | 2021-09-28 | 江苏泰隆减速机股份有限公司 | Multi-shaft distribution box for steel mill |
-
2020
- 2020-12-16 CN CN202011484728.8A patent/CN112343977B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101476618A (en) * | 2009-01-14 | 2009-07-08 | 南京宁嘉机电有限公司 | Main gear case of internal mixer |
| CN102172842A (en) * | 2011-03-07 | 2011-09-07 | 大连佐佐木专用设备制造有限公司 | Gearbox capable of changing one input into four outputs |
| CN103307215A (en) * | 2013-06-27 | 2013-09-18 | 江苏赫夫特齿轮制造有限公司 | Double-input multi-output gear box structure |
| CN204852184U (en) * | 2015-07-13 | 2015-12-09 | 浙江恒齿传动机械有限公司 | Be used for wire -wound speed reducer |
| CN106438852A (en) * | 2016-08-30 | 2017-02-22 | 江苏泰隆减速机股份有限公司 | Five-roller flattener distribution box |
| CN108953497A (en) * | 2018-09-20 | 2018-12-07 | 江苏泰隆减速机股份有限公司 | A kind of special reduction gear on LT type heavy-duty drawing machine with water tanks |
| CN214305093U (en) * | 2020-12-16 | 2021-09-28 | 江苏泰隆减速机股份有限公司 | Multi-shaft distribution box for steel mill |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112343977A (en) | 2021-02-09 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |