CN211501567U - Tilting speed reducer for converter in steel mill - Google Patents
Tilting speed reducer for converter in steel mill Download PDFInfo
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- CN211501567U CN211501567U CN202020017641.9U CN202020017641U CN211501567U CN 211501567 U CN211501567 U CN 211501567U CN 202020017641 U CN202020017641 U CN 202020017641U CN 211501567 U CN211501567 U CN 211501567U
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- shaft sleeve
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Abstract
The utility model relates to a tilting speed reducer for a converter in a steel mill, wherein two input hollow shafts are respectively connected on the left and the right of an upper box body and a lower box body in a cross-connection manner, input gears are respectively connected on the input hollow shafts in a cross-connection manner, and an output shaft is supported on the lower box body through a bearing and is covered by the upper box body; the output gear is connected to the output shaft in a penetrating mode and comprises a gear portion and a shaft sleeve portion, the gear portion is meshed with the input gear, the two ends of the gear portion are connected with the shaft sleeve portion coaxially, the outer wall of the shaft sleeve portion is supported in the bearing, and the inner wall of the shaft sleeve portion is connected with the output shaft through a key. Four externally hung speed reducers are adopted to be connected with the input hollow shafts at four corners of the output shaft in the middle of the upper box body and the lower box body in a penetrating manner, input power is sequentially meshed on the output gear through the circumferences of the four input gears and outputs high torque through the output shaft, and the shaft sleeve part of the output gear is supported on the bearing, so that the output torque can be effectively improved, and the tilting requirement of a converter in a steel mill is met.
Description
Technical Field
The utility model relates to a speed reducer, a speed reducer that is used for tilting of steel mill converter specifically says so.
Background
With the rapid development of industrial technology in China, requirements for speed reducers widely applied to mechanical equipment in the industries of metallurgy, mine, chemical industry, building, agriculture, transportation, power generation and the like are higher and higher, particularly in a steel mill, a molten steel furnace is heavier, the torque required by the inclined rotation of the molten steel furnace is larger, if a speed reducer with a traditional standard structure transmission structure is adopted, a plurality of speed reducers need to be arranged, the larger equipment installation space is required, the applicability is poor, and the use cost is higher.
Disclosure of Invention
The utility model provides a simple structure, compactness compromise big moment of torsion and speed reducer integral structure, effectively improve the speed reducer that is used for steel mill converter tilting that the transmission is steady and life.
The utility model adopts the technical proposal that: the utility model provides a be used for tilting speed reducer of steel mill converter, includes upper and lower box, its characterized in that: the left side and the right side of the upper box body and the lower box body are both connected with two input hollow shafts in a penetrating way, the input hollow shafts are both connected with input gears in a penetrating way, and the upper part of the lower box body supports an output shaft through a bearing and is covered by the upper box body; the output gear is connected to the output shaft in a penetrating mode and comprises a gear portion and a shaft sleeve portion, the gear portion is meshed with the input gear, the two ends of the gear portion are connected with the shaft sleeve portion coaxially, the outer wall of the shaft sleeve portion is supported in the bearing, and the inner wall of the shaft sleeve portion is connected with the output shaft through a key.
One end of the output shaft is packaged through the end cover, the other end of the output shaft penetrates out of the through cover, a shaft sleeve part corresponding to one end of the output shaft is supported on the lower box body through a double-row tapered roller bearing, and the other end of the output shaft is supported on the lower box body through a single-row centripetal short cylindrical roller bearing.
And the upper box body is provided with a lubricating channel corresponding to the bearing.
The single-row centripetal short cylindrical roller bearing and the gear part are provided with distance rings.
The outer end of the bearing is pressed on the gear part through an end cover or a transparent cover by a shaft sleeve.
The bearing cover is cup jointed at the periphery of the shaft sleeve and connected to the upper and lower box bodies, the inner end of the bearing cover abuts against the outer end of the bearing, a support ring, a sealing ring and a pressing ring are arranged between the bearing cover and the shaft sleeve from inside to outside, and the pressing ring is connected to the bearing cover through the sealing gland in a crimping manner.
The utility model discloses an input hollow shaft in the four corners of upper and lower box middle part output shaft of four external speed reducer cross-under, input power meshes through the output shaft high moment of torsion on output gear in proper order through four input gear circumferences, combines to support output gear's axle sleeve portion on the bearing, can effectively improve the output moment of torsion, satisfies the requirement of fascinating of steel mill converter.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a view a-a of fig. 1.
In the figure: the device comprises a lower box body 1, an upper box body 2, an input hollow shaft 3, an output gear 4, a gear part 5, a shaft sleeve part 6, an output shaft 7, an end cover 8, a transparent cover 9, a shaft sleeve 10, a double-row tapered roller bearing 11, a single-row centripetal short cylindrical roller bearing 12, a lubricating channel 13, a distance ring 14, a bearing cover 15, a sealing gland 16 and a sealing ring group 17.
Detailed Description
The following further description is made in conjunction with the accompanying drawings and examples.
Shown in FIGS. 1 and 2: a tilting speed reducer for a converter in a steel plant comprises a lower box body 1, an upper box body 2, an input hollow shaft 3, an output gear 4, a gear part 5, a shaft sleeve part 6, an output shaft 7, an end cover 8, a transparent cover 9, a shaft sleeve 10, a double-row tapered roller bearing 11, a single-row centripetal short cylindrical roller bearing 12, a lubricating channel 13, a distance ring 14, a bearing cover 15, a sealing gland 16 and a sealing ring group 17. The left and right sides of the upper box body and the lower box body are respectively connected with two input hollow shafts 3 in a penetrating way, the input hollow shafts are respectively connected with input gears in a penetrating way, the input gears are meshed with output gears 4, the output gears comprise gear parts 5 and shaft sleeve parts 6, the gear parts 5 are meshed with the input gears, two ends of the gear parts 5 are respectively connected with the shaft sleeve parts 6 in a coaxial way, the inner walls of the shaft sleeve parts are connected with output shafts 7 in a key way, one ends of the output shafts are packaged through end covers 8, the other ends of the output shafts penetrate through covers 9, the corresponding shaft sleeve parts at one ends of the output shafts 7 are supported on the lower box body 1 through double-row conical; two ends of the upper box body are respectively provided with a lubricating channel 13 corresponding to the two bearings, and the single-row centripetal short cylindrical roller bearing and the gear part are provided with a distance ring 14; the outer ends of the two bearings are respectively pressed on the gear part through the end cover and the transparent cover by the shaft sleeve 10; the periphery of the shaft sleeve 10 at the outer end of each bearing is sleeved with a bearing cover 15, the bearing covers are connected to the upper box body and the lower box body, the inner end of each bearing cover abuts against the outer end of the corresponding bearing, a sealing ring group 17 consisting of a support ring, a sealing ring and a pressing ring is arranged between each bearing cover and the corresponding shaft sleeve from inside to outside, and the sealing ring group 17 is connected to the bearing covers through sealing glands 16 in a compression joint mode.
Claims (6)
1. The utility model provides a be used for tilting speed reducer of steel mill converter, includes upper and lower box, its characterized in that: the left side and the right side of the upper box body and the lower box body are both connected with two input hollow shafts in a penetrating way, the input hollow shafts are both connected with input gears in a penetrating way, and the upper part of the lower box body supports an output shaft through a bearing and is covered by the upper box body; the output gear is connected to the output shaft in a penetrating mode and comprises a gear portion and a shaft sleeve portion, the gear portion is meshed with the input gear, the two ends of the gear portion are connected with the shaft sleeve portion coaxially, the outer wall of the shaft sleeve portion is supported in the bearing, and the inner wall of the shaft sleeve portion is connected with the output shaft through a key.
2. The tilting speed reducer for steel mill converters according to claim 1, characterized in that: one end of the output shaft is packaged through the end cover, the other end of the output shaft penetrates out of the through cover, a shaft sleeve part corresponding to one end of the output shaft is supported on the lower box body through a double-row tapered roller bearing, and the other end of the output shaft is supported on the lower box body through a single-row centripetal short cylindrical roller bearing.
3. The tilting speed reducer for steel mill converters according to claim 1, characterized in that: and the upper box body is provided with a lubricating channel corresponding to the bearing.
4. The tilting speed reducer for steel mill converters according to claim 2, characterized in that: the single-row centripetal short cylindrical roller bearing and the gear part are provided with distance rings.
5. The tilting speed reducer for steel mill converters according to claim 1, characterized in that: the outer end of the bearing is pressed on the gear part through an end cover or a transparent cover by a shaft sleeve.
6. The tilting speed reducer for steel mill converters according to claim 5, characterized in that: the bearing cover is cup jointed at the periphery of the shaft sleeve and connected to the upper and lower box bodies, the inner end of the bearing cover abuts against the outer end of the bearing, a support ring, a sealing ring and a pressing ring are arranged between the bearing cover and the shaft sleeve from inside to outside, and the pressing ring is connected to the bearing cover through the sealing gland in a crimping manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020017641.9U CN211501567U (en) | 2020-01-06 | 2020-01-06 | Tilting speed reducer for converter in steel mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020017641.9U CN211501567U (en) | 2020-01-06 | 2020-01-06 | Tilting speed reducer for converter in steel mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211501567U true CN211501567U (en) | 2020-09-15 |
Family
ID=72398778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020017641.9U Active CN211501567U (en) | 2020-01-06 | 2020-01-06 | Tilting speed reducer for converter in steel mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211501567U (en) |
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2020
- 2020-01-06 CN CN202020017641.9U patent/CN211501567U/en active Active
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