CN221196016U - Labyrinth sealing structure of rolling mill speed reducer - Google Patents
Labyrinth sealing structure of rolling mill speed reducer Download PDFInfo
- Publication number
- CN221196016U CN221196016U CN202323194293.5U CN202323194293U CN221196016U CN 221196016 U CN221196016 U CN 221196016U CN 202323194293 U CN202323194293 U CN 202323194293U CN 221196016 U CN221196016 U CN 221196016U
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- Prior art keywords
- ring
- mounting groove
- abutting
- rolling mill
- sealing
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- 238000007789 sealing Methods 0.000 title claims abstract description 63
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 28
- 238000005096 rolling process Methods 0.000 title claims abstract description 27
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 239000003921 oil Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 239000010687 lubricating oil Substances 0.000 abstract description 4
- 238000000151 deposition Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000009347 mechanical transmission Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model discloses a labyrinth sealing structure of a rolling mill speed reducer, which comprises a rotating shaft and an end cover, wherein the rotating shaft is in penetrating rotation connection with the middle part of the end cover, the outer part of the end cover is integrally connected with a mounting groove, the rotating shaft is in rotating connection with a sealing ring positioned in the mounting groove, the rear side of the sealing ring is in abutting contact with the bottom of the mounting groove, an abutting ring in abutting contact with the front surface of the sealing ring is arranged in the mounting groove, an abutting piece is fixedly arranged on the front surface of the abutting ring, and a sealing cover is fixedly arranged on the front surface of the mounting groove through a bolt. The shell is rotated to make the ring gear drive the gear and the thread bush rotate, and then make the threaded rod with thread bush threaded connection promote to support tight piece and support tight ring and remove, and then make the sealing ring support tight shrink for the sealing ring supports tightly once more and seals, makes the sealed department of rotating shaft keep not depositing oil all the time, does not leak oil, has simple structure compactness, the reliable advantage of sealed effect of lubricating oil.
Description
Technical Field
The utility model relates to the technical field of rolling mill speed reducers, in particular to a labyrinth sealing structure of a rolling mill speed reducer.
Background
At present, in a rolling mechanical transmission system, the rolling mechanical transmission system is generally adopted to be transmitted to a rolling mill through a coupler after being decelerated by a speed reducer, and rolling is carried out by a double-output shaft driving type rolling mill.
However, the structure of sealing the shaft end of the speed reducer is generally installed and fixed through bolts in the prior market, through holes matched with the shaft end are formed in the structure, so that the shaft end can rotate and work conveniently, certain axial force can be generated at the shaft end after the speed reducer is used for a long time, the shaft end is offset, the traditional speed reducer can be found only when the speed reducer is maintained or damaged, and the normal operation of the speed reducer is seriously influenced.
Therefore, we propose a rolling mill speed reducer labyrinth seal structure.
Disclosure of utility model
The utility model aims to provide a labyrinth seal structure of a rolling mill speed reducer, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a rolling mill speed reducer labyrinth seal structure, includes pivot and end cover, the pivot runs through the rotation with the middle part of end cover and is connected, the outside an organic whole of end cover is connected with the mounting groove, the rotation of pivot is connected with the sealing ring that is located the mounting groove inside, the rear side of sealing ring supports tight contact with the bottom of mounting groove, the inside of mounting groove is provided with the tight ring that supports tightly contact with the sealing ring openly, the positive fixed mounting of supporting the tight ring has the tight piece that supports, the front of mounting groove has sealed lid through bolt fixed mounting.
Optionally, the front an organic whole of supporting tight piece is connected with the threaded rod, the outside of mounting groove rotates and is connected with the rotation shell, the inside fixed mounting who rotates the shell has the ring gear, the middle part of sealed lid runs through and rotates and be connected with the thread bush, threaded rod and thread bush's middle part run through threaded connection, the outside fixed mounting of thread bush has the gear that is located sealed outside, gear and ring gear meshing.
Optionally, the sealing ring is round platform form that big back is little in the front, the inside of supporting the holding ring is the inclined plane, the inclined plane that supports the holding ring supports closely with the outer peripheral face that the sealing ring inclines and contacts.
Optionally, the inner wall of mounting groove is integrative to be provided with the direction draw runner, the sliding tray has been seted up to the outer peripheral face of support ring and support tight piece, support tight ring and support tight piece and pass through sliding tray and direction draw runner sliding connection.
Optionally, the diameter of the sealing cover is the same as the inner diameter of the mounting groove, the sealing cover is fixedly mounted with the front surface of the guide sliding bar through a bolt, and the outer peripheral surface of the sealing cover is in sealing arrangement with the inner part of the mounting groove.
Optionally, a through hole is formed in the middle of the rotating shell, the rotating shaft penetrates through the through hole, and the rotating shaft and the through hole are coaxially arranged.
Optionally, the rear side of the thread bush is flush with the rear side of the sealing cover, and the front surface of the sealing cover is flush with the front surface of the mounting groove.
Compared with the prior art, the utility model has the beneficial effects that:
This rolling mill speed reducer sealing structure through setting up the mounting groove at the end cover to set up the sealing ring in the mounting groove, support tightly sealing ring and mounting groove, rotate the shell along with the rotation of pivot makes the sealing ring wearing and tearing back, make the ring gear drive gear and thread bush rotate, and then make with thread bush threaded connection's threaded rod promote support tight piece and support tight ring and remove, and then make the sealing ring support tight shrink, make the sealing ring support tight sealing once more, make and remain the sealed department of pivot all the time and not deposit oil, leak oil, have simple structure compactness, the reliable advantage of sealed effect of lubricating oil.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a labyrinth seal structure of a rolling mill speed reducer;
FIG. 2 is a schematic diagram of an end cap of a rolling mill speed reducer labyrinth seal structure according to the present utility model;
FIG. 3 is a schematic structural view of a seal ring of a rolling mill speed reducer labyrinth seal structure of the present utility model;
FIG. 4 is a schematic view of the structure of a packing ring of a labyrinth seal structure of a rolling mill speed reducer;
Fig. 5 is a schematic structural view of a mounting groove of a labyrinth seal structure of a rolling mill speed reducer.
In the figure: 1. a rotating shaft; 2. an end cap; 3. a mounting groove; 4. rotating the shell; 5. a toothed ring; 6. a seal ring; 7. a tightening ring; 8. a tightening piece; 9. a threaded rod; 10. sealing cover; 11. a thread sleeve; 12. a gear; 13. a sliding groove; 14. and a guiding slide bar.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 5, the utility model provides a labyrinth seal structure of a rolling mill speed reducer, which comprises a rotating shaft 1 and an end cover 2, wherein the rotating shaft 1 is in penetrating rotation connection with the middle part of the end cover 2, an installation groove 3 is integrally connected to the outer part of the end cover 2, a sealing ring 6 positioned in the installation groove 3 is in rotation connection with the rotating shaft 1, the rear side of the sealing ring 6 is in abutting contact with the bottom of the installation groove 3, an abutting ring 7 in abutting contact with the front surface of the sealing ring 6 is arranged in the installation groove 3, an abutting piece 8 is fixedly arranged on the front surface of the abutting ring 7, and a sealing cover 10 is fixedly arranged on the front surface of the installation groove 3 through bolts.
The front of support tight piece 8 is integrally connected with threaded rod 9, the outside rotation of mounting groove 3 is connected with rotation shell 4, the inside fixed mounting who rotates shell 4 has toothed ring 5, the middle part of sealed lid 10 runs through and rotates and be connected with thread bush 11, threaded rod 9 runs through threaded connection with the middle part of thread bush 11, the outside fixed mounting of thread bush 11 has the gear 12 that is located sealed lid 10 outside, gear 12 and toothed ring 5 meshing, through set up mounting groove 3 at end cover 2, and set up sealing ring 6 in mounting groove 3, with sealing ring 6 with mounting groove 3 support tightly, rotate shell 4 along with the rotation of pivot 1 makes sealing ring 6 wearing and tearing back, make toothed ring 5 drive gear 12 and thread bush 11 rotate, and then make the threaded rod 9 promotion with thread bush 11 threaded connection support tight piece 8 and support tight ring 7 and remove, and then make sealing ring 6 support tight shrink, make sealing ring 6 support tight sealing again, make and keep pivot 1 sealing position not deposit oil all the time, the oil leak tight, the advantage that has simple structure, the sealed effect of lubricating oil is reliable.
The sealing ring 6 is in a shape of a round table with a small front part and a big rear part, the inside of the supporting ring 7 is an inclined surface, and the inclined surface of the supporting ring 7 is contacted with the inclined peripheral surface of the sealing ring 6 in a supporting way.
The inner wall of the mounting groove 3 is integrally provided with a guide slide bar 14, the outer peripheral surfaces of the abutting ring 7 and the abutting piece 8 are provided with sliding grooves 13, and the abutting ring 7 and the abutting piece 8 are in sliding connection with the guide slide bar 14 through the sliding grooves 13.
The diameter of the sealing cover 10 is the same as the inner diameter of the mounting groove 3, the sealing cover 10 is fixedly mounted with the front surface of the guide sliding bar 14 through bolts, and the outer peripheral surface of the sealing cover 10 is hermetically arranged with the inside of the mounting groove 3.
The middle part of the rotating shell 4 is provided with a through hole, the rotating shaft 1 penetrates through the through hole, and the rotating shaft 1 and the through hole are coaxially arranged.
The rear side of the threaded sleeve 11 is flush with the rear side of the sealing cover 10, and the front side of the sealing cover 10 is flush with the front side of the mounting groove 3.
Working principle:
Through setting up mounting groove 3 at end cover 2 to set up sealing ring 6 in mounting groove 3, with sealing ring 6 with mounting groove 3 support tightly, make sealing ring 6 wearing and tearing back along with the rotation of pivot 1, rotate shell 4 for ring gear 5 drives gear 12 and thread bush 11 rotation, and then make with thread bush 11 threaded rod 9 promotion of threaded connection support tight piece 8 and support tight ring 7 removal, and then make sealing ring 6 support tight shrink, make sealing ring 6 support tight again and seal, make and remain pivot 1 sealing department not deposit oil throughout, leak oil, have simple structure compactness, the reliable advantage of sealed effect of lubricating oil.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
Claims (7)
1. The utility model provides a rolling mill speed reducer labyrinth seal structure, includes pivot (1) and end cover (2), a serial communication port, the middle part of pivot (1) and end cover (2) runs through and rotates to be connected, the outside of end cover (2) an organic whole is connected with mounting groove (3), the rotation of pivot (1) is connected with sealing ring (6) that are located inside mounting groove (3), the rear side of sealing ring (6) supports tight contact with the bottom of mounting groove (3), the inside of mounting groove (3) is provided with supports tight ring (7) with the positive tight contact of sealing ring (6), the positive fixed mounting of supporting tight ring (7) has supports tight piece (8), the front of mounting groove (3) is through bolt fixed mounting has sealed lid (10).
2. The rolling mill speed reducer labyrinth seal structure according to claim 1, characterized in that the front of the abutting sheet (8) is integrally connected with a threaded rod (9), the outside of the mounting groove (3) is rotationally connected with a rotating shell (4), a toothed ring (5) is fixedly installed in the rotating shell (4), a threaded sleeve (11) is rotationally connected in the middle of the sealing cover (10) in a penetrating manner, the threaded rod (9) is in threaded connection with the middle of the threaded sleeve (11), a gear (12) positioned outside the sealing cover (10) is fixedly installed outside the threaded sleeve (11), and the gear (12) is meshed with the toothed ring (5).
3. The labyrinth seal structure of the rolling mill speed reducer according to claim 2, wherein the sealing ring (6) is in a shape of a truncated cone with a small front part and a large rear part, the inside of the abutting ring (7) is an inclined plane, and the inclined plane of the abutting ring (7) is in abutting contact with the inclined peripheral surface of the sealing ring (6).
4. The labyrinth seal structure of the rolling mill speed reducer according to claim 1, characterized in that a guiding slide bar (14) is integrally arranged on the inner wall of the installation groove (3), a sliding groove (13) is formed in the outer peripheral surfaces of the abutting ring (7) and the abutting piece (8), and the abutting ring (7) and the abutting piece (8) are in sliding connection with the guiding slide bar (14) through the sliding groove (13).
5. The labyrinth seal structure of a rolling mill speed reducer according to claim 4, wherein the diameter of the seal cover (10) is the same as the inner diameter of the installation groove (3), the seal cover (10) is fixedly installed with the front face of the guide slide bar (14) through bolts, and the outer peripheral surface of the seal cover (10) is in seal arrangement with the inside of the installation groove (3).
6. The labyrinth seal structure of the rolling mill speed reducer according to claim 2, wherein a through hole is formed in the middle of the rotary shell (4), the rotary shaft (1) penetrates through the through hole, and the rotary shaft (1) and the through hole are coaxially arranged.
7. A rolling mill reducer labyrinth seal according to claim 2, characterized in that the rear side of the threaded sleeve (11) is flush with the rear side of the sealing cover (10), and the front side of the sealing cover (10) is flush with the front side of the mounting groove (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323194293.5U CN221196016U (en) | 2023-11-27 | 2023-11-27 | Labyrinth sealing structure of rolling mill speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323194293.5U CN221196016U (en) | 2023-11-27 | 2023-11-27 | Labyrinth sealing structure of rolling mill speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221196016U true CN221196016U (en) | 2024-06-21 |
Family
ID=91487736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323194293.5U Active CN221196016U (en) | 2023-11-27 | 2023-11-27 | Labyrinth sealing structure of rolling mill speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221196016U (en) |
-
2023
- 2023-11-27 CN CN202323194293.5U patent/CN221196016U/en active Active
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| GR01 | Patent grant |