CN218326101U - Front and rear reduction gearbox of high-speed steel feeding rotary hub system - Google Patents
Front and rear reduction gearbox of high-speed steel feeding rotary hub system Download PDFInfo
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- CN218326101U CN218326101U CN202222114291.XU CN202222114291U CN218326101U CN 218326101 U CN218326101 U CN 218326101U CN 202222114291 U CN202222114291 U CN 202222114291U CN 218326101 U CN218326101 U CN 218326101U
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- end fixing
- fixing block
- shaft sleeve
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Abstract
The utility model discloses a front and back reduction box of a high-speed steel feeding rotary hub system, wherein an air groove device is arranged at the outer side of a box body of the reduction box, a transition shaft sleeve is arranged at the output shaft side of the reduction box, the transition shaft sleeve is connected with the output shaft of the reduction box through a key and is connected with the rotary hub system through a pin hole on the end face of a flange; the utility model discloses install the empty groove device in the box outside of reducing gear box, stopped the high temperature that produces when the rolled piece passes through to the inside condition that influences that produces of reducing gear box. The transition shaft sleeve is installed at the same time, an independent outlet air pipe is adopted, if abrasion occurs, only the corresponding outlet air pipe needs to be replaced, the transition shaft sleeve does not need to be disassembled and assembled, operation is convenient, and spare part cost is reduced.
Description
Technical Field
The utility model relates to a steel rolling field, in particular to speed reduction box device around high-speed steel feeding rotary hub system.
Background
At present, in the steel rolling industry, for the design of an empty groove entering a steel feeding rotary hub device from a brake roller, a mode that a through hole penetrating through the empty groove is reserved on a box body of a closed reduction box, and the empty groove is directly inserted into the through hole and aligned with an inlet of a rotary hub is adopted. Because the temperature of the rolled piece passing through the empty through groove is very high, the risk that the high temperature is transmitted to the interior of the box body of the reduction box to influence the operation of the reduction box per se exists. On the other hand, in order to achieve the purpose of high-speed steel feeding, the distance between the outer brake roller and the reduction gearbox is small, and if the empty groove of the installation mode is required to be disassembled and assembled, the whole brake roller can be drawn out from the brake roller side, so that the operation is very inconvenient.
On the output shaft side of the reduction box, in order to realize connection with the whole rotating hub system, a small section of transition rotating hub with the same shape but greatly reduced length is usually manufactured, and the small section of transition rotating hub is separately cast, so that the production cost is increased, and the operable space is occupied. Moreover, the rolled piece is directly connected through the rotating hub channel, so that the abrasion condition can be generated, the rotating hub needs to be periodically disassembled and replaced, the cost of spare parts is correspondingly increased, and the disassembly and the assembly are also very troublesome.
SUMMERY OF THE UTILITY MODEL
Based on the problems, the utility model provides a front and back reduction box of a high-speed steel feeding rotary hub system, wherein an air groove device is arranged at the outer side of a box body of the reduction box, a transition shaft sleeve is arranged at the output shaft side of the reduction box, and the transition shaft sleeve is connected with the output shaft of the reduction box through a key and is connected with the rotary hub system through a pin hole at the end face of a flange; the utility model discloses install the empty groove device in the box outside of reducing gear box, stopped the high temperature that produces when the rolled piece passes through to the inside condition that influences that produces of reducing gear box. The transition shaft sleeve is installed at the same time, an independent outlet air pipe is adopted, if abrasion occurs, only the corresponding outlet air pipe needs to be replaced, the transition shaft sleeve does not need to be disassembled and assembled, operation is convenient, and spare part cost is reduced.
The adopted technical scheme is as follows: a front reduction gearbox and a rear reduction gearbox of a high-speed steel feeding rotary hub system are characterized in that an air groove device is arranged on the outer side of a box body of the reduction gearbox, and a transition shaft sleeve is arranged on the output shaft side of the reduction gearbox;
the empty groove passing device comprises a front end fixing block, a rear end fixing block, an adjusting bolt, an arc-shaped pressing block and an empty pipe; the front end fixing block and the rear end fixing block are provided with openings, and the hollow pipe penetrates through the front end fixing block and the rear end fixing block; the front end fixing block is provided with an arc-shaped pressing block; the adjusting bolt penetrates through the front end fixing block to be matched with the arc-shaped pressing block; the hollow pipe is provided with a groove which is matched with the arc-shaped pressing block; the arc-shaped pressing block is pressed or separated from the groove on the hollow pipe through the lifting of the adjusting bolt; the fixing and the separation of the hollow pipe and the front end fixing block are realized.
A cross beam is fixed on one side of a box body of the reduction box, and a front end fixing block is fixed on the cross beam through a bolt; the other side of the box body of the reduction box is fixed with a rear end bearing block, and the rear end fixing block is fixed on the rear end bearing block through a bolt, so that the empty groove device is installed on the box body of the reduction box.
The transition shaft sleeve is arranged between the output shaft of the reduction box and the rotating hub system; the transition shaft sleeve is connected with an output shaft of the reduction gearbox through a key and is connected with the rotating hub system through a pin hole on the end face of the flange; a pressing block is fixed on the transition shaft sleeve and matched with a clamping groove on the outlet hollow pipe, and the outlet hollow pipe is fixed on the transition shaft sleeve.
Furthermore, the box body of the reduction box is of a symmetrical structure with a hollow middle part.
Furthermore, the middle part is hollow and rectangular.
Furthermore, two hollow pipes are arranged and are fixed on the cross beam in parallel through the front end fixing block.
The utility model provides a high-speed steel feeding hub system front and back reducing gear box through changing reducing gear box body appearance structure, is not influencing under the equipment moving condition promptly, leaves rectangular operating space with reducing gear box middle part suitable position, through box outer wall and installed part, installs the empty groove device in the reducing gear box outside, has stopped the high temperature that the rolled piece produced when passing through and has produced the condition that influences to the inside production of reducing gear box.
Meanwhile, the existing small section rotating hub is eliminated by improving the output shaft side of the reduction gearbox, the transition rotating hub is replaced by a transition shaft sleeve to be connected, and the operation space for replacing the empty through groove is reserved. Meanwhile, an independent outlet air pipe is adopted, if the outlet air pipe is worn, only the corresponding outlet air pipe needs to be replaced, and the transition shaft sleeve does not need to be disassembled and assembled, so that the operation is convenient, and the spare part cost is reduced.
Drawings
FIG. 1 is a schematic structural view of a hollow trough-passing device of the present invention;
fig. 2 is a schematic structural view of another angle of the hollow trough-passing device of the present invention;
FIG. 3 is a schematic view of the present invention;
fig. 4 is another angle structure diagram of the present invention;
fig. 5 is another angle structure diagram of the present invention;
fig. 6 is another angle structure diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 6, a front reduction gearbox and a rear reduction gearbox of a high-speed steel feeding rotary hub system are provided, an air groove device is arranged on the outer side of a reduction gearbox body 13, and a transition shaft sleeve 11 is arranged on the output shaft side of the reduction gearbox. The box body 13 of the reduction box is a symmetrical structure with a hollow middle part, and the middle part is hollow and rectangular.
The empty groove passing device comprises a front end fixing block 1, a rear end fixing block 6, an adjusting bolt 2, an arc-shaped pressing block 3 and an empty pipe 4; the front end fixing block 1 and the rear end fixing block 6 are provided with openings, and the hollow pipe 4 penetrates through the front end fixing block 1 and the rear end fixing block 6; an arc-shaped pressing block 3 is arranged on the front end fixing block 1; the adjusting bolt 2 penetrates through the front end fixing block 1 to be matched with the arc-shaped pressing block 3; a groove is formed in the hollow pipe 4 and matched with the arc-shaped pressing block 3; the arc-shaped pressing block 3 is pressed or separated from the groove on the hollow pipe 4 through the lifting of the adjusting bolt 2; the fixing and the separation of the hollow pipe 4 and the front end fixing block 1 are realized. When the empty pipe 4 needs to be replaced, the empty pipe 4 and the rear end fixing block 6 can be drawn out together only by loosening the adjusting bolt 2.
A cross beam 5 is fixed on one side of a box body 13 of the reduction box, and a front end fixing block 1 is fixed on the cross beam 5 through a bolt; the other side of the box body 13 of the reduction box is fixed with a rear end bearing block 9, and the rear end fixing block 6 is fixed on the rear end bearing block 9 through a bolt, so that the empty groove passing device is installed on the box body 13 of the reduction box. The number of the hollow pipes is two, and the hollow pipes are fixed on the cross beam in parallel through the front end fixing blocks.
The transition shaft sleeve 11 is arranged between an output shaft of the reduction box and the rotating hub system; the transition shaft sleeve is connected with an output shaft of the reduction gearbox through a key and is connected with the rotating hub system through a pin hole on the end face of the flange; a pressing block 10 is fixed on the transition shaft sleeve 11, the pressing block 10 is matched with a clamping groove on the outlet hollow pipe 12, and the outlet hollow pipe 12 is fixed on the transition shaft sleeve 11.
The transition shaft sleeve 11 can be completely machined by 45 steel without casting, so that the cost is reduced, and a certain space is reserved for replacing an empty through groove. If the outlet air pipe 12 is worn, the outlet air pipe can be directly replaced without dismounting the transition shaft sleeve 11, and meanwhile, the use of the air pipe 4 is not influenced. The reduction box body 13 leaves a rectangular hollow hole in the middle during welding under the condition that the integral structure and operation of the equipment are not influenced, and meanwhile, the periphery of the reduction box body is welded with the upper sealing plates, so that the equipment is still a whole.
Claims (4)
1. A front reduction gearbox and a rear reduction gearbox of a high-speed steel feeding rotary hub system are characterized in that an air groove device is arranged on the outer side of a box body of the reduction gearbox, and a transition shaft sleeve is arranged on the output shaft side of the reduction gearbox;
the air groove passing device comprises a front end fixing block, a rear end fixing block, an adjusting bolt, an arc-shaped pressing block and an air passing pipe; the front end fixing block and the rear end fixing block are provided with openings, and the hollow pipe passes through the front end fixing block and the rear end fixing block; the front end fixing block is provided with an arc-shaped pressing block; the adjusting bolt penetrates through the front end fixing block to be matched with the arc-shaped pressing block; the hollow pipe is provided with a groove which is matched with the arc-shaped pressing block; the arc-shaped pressing block is pressed or separated from the groove on the hollow pipe through the lifting of the adjusting bolt; the fixing and the separation of the hollow pipe and the front end fixing block are realized;
a cross beam is fixed on one side of the box body of the reduction box, and a front end fixing block is fixed on the cross beam through a bolt; the other side of the box body of the reduction box is fixedly provided with a rear end bearing block, and the rear end fixing block is fixed on the rear end bearing block through a bolt, so that the empty groove passing device is arranged on the box body of the reduction box;
the transition shaft sleeve is arranged between the output shaft of the reduction box and the rotating hub system; the transition shaft sleeve is connected with an output shaft of the reduction gearbox through a key and is connected with the rotating hub system through a pin hole on the end face of the flange; a pressing block is fixed on the transition shaft sleeve and matched with a clamping groove on the outlet hollow pipe, and the outlet hollow pipe is fixed on the transition shaft sleeve.
2. The front and rear reduction gearbox of a high-speed steel feeding rotating hub system according to claim 1, wherein the gearbox body of the reduction gearbox is of a symmetrical structure with a hollow middle part.
3. The front and rear reduction gearbox of a high-speed steel feeding rotating hub system according to claim 2, wherein the middle part is hollow and rectangular.
4. The front and rear reduction boxes of a high-speed steel feeding rotating hub system according to claim 1, wherein two hollow pipes are arranged and fixed on the cross beam in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222114291.XU CN218326101U (en) | 2022-08-09 | 2022-08-09 | Front and rear reduction gearbox of high-speed steel feeding rotary hub system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222114291.XU CN218326101U (en) | 2022-08-09 | 2022-08-09 | Front and rear reduction gearbox of high-speed steel feeding rotary hub system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218326101U true CN218326101U (en) | 2023-01-17 |
Family
ID=84882663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222114291.XU Active CN218326101U (en) | 2022-08-09 | 2022-08-09 | Front and rear reduction gearbox of high-speed steel feeding rotary hub system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218326101U (en) |
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2022
- 2022-08-09 CN CN202222114291.XU patent/CN218326101U/en active Active
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