CN219932953U - Sealing structure for preventing oil leakage at tail of grinding roller of vertical mill - Google Patents
Sealing structure for preventing oil leakage at tail of grinding roller of vertical mill Download PDFInfo
- Publication number
- CN219932953U CN219932953U CN202320561904.6U CN202320561904U CN219932953U CN 219932953 U CN219932953 U CN 219932953U CN 202320561904 U CN202320561904 U CN 202320561904U CN 219932953 U CN219932953 U CN 219932953U
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- Prior art keywords
- sealing
- wall
- mounting groove
- vertical mill
- grinding roller
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- 238000007789 sealing Methods 0.000 title claims abstract description 108
- 239000004677 Nylon Substances 0.000 claims abstract description 40
- 229920001778 nylon Polymers 0.000 claims abstract description 40
- 230000002265 prevention Effects 0.000 claims 6
- 238000009529 body temperature measurement Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 description 27
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Abstract
The utility model discloses a sealing structure for preventing oil leakage at the tail part of a grinding roller of a vertical mill, and relates to the technical field of vertical mill sealing. According to the utility model, through the matched use of the sealing nylon rod, the outer ring sealing groove, the first mounting groove, the second mounting groove, the third mounting groove, the outer ring rubber ring and the inner ring rubber ring, the sealing nylon rod can form good sealing with the inner hole in the middle of the roll shaft and the oil inlet pipe, and even if the oil inlet pipe joint loosens or the oil level in the shaft hole of the vibration breaking roll rises, the oil cannot overflow from the tail part of the grinding roll, so that the problems of pollution to equipment and environment by greasy dirt are avoided.
Description
Technical Field
The utility model relates to the technical field of vertical mill sealing, in particular to a sealing structure for preventing oil leakage at the tail of a grinding roller of a vertical mill.
Background
The vertical roller mill is widely applied to the production of powder materials such as raw material grinding, coal powder preparation, cement grinding, slag grinding and the like, and the vertical roller mill roller is a main grinding component in the mill.
In the prior art, three pipes are arranged inside a two-wire raw material vertical mill roll shaft, an oil inlet pipe, a respirator pipe and a temperature measuring pipe, each pipe is 3m long, the three pipes are all the way from the tail part of the mill roll to the front end of the mill roll and are screwed on one end cover at the front end, as the pipes are too long, frequent vibration of the mill roll during working causes loosening or vibration breaking of the pipe joint, lubricating oil enters the inner hole of the roll shaft and gradually rises, and finally the lubricating oil overflows from the tail part of the mill roll.
Disclosure of Invention
The utility model aims to provide a sealing structure for preventing oil leakage at the tail part of a vertical mill grinding roller, so as to solve the problems in the background art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a seal structure for vertical mill grinding roller afterbody leak protection oil, includes main part device, main part device is including assembly sealing unit, conveying unit and auxiliary sealing unit.
The assembly sealing unit comprises a sealing nylon rod, the conveying unit comprises a respirator pipe, an oil inlet pipe and a temperature measuring pipe, and the auxiliary sealing unit comprises an outer ring rubber ring and an inner ring rubber ring.
The outer ring rubber ring is located outside the sealing nylon rod, and the inner ring rubber ring is located inside the sealing nylon rod.
The technical scheme of the utility model is further improved as follows: an outer ring sealing groove is formed in the outer wall of one end of the sealing nylon rod, and the inner wall of the outer ring sealing groove is movably connected with the outer wall of the outer ring rubber ring.
The technical scheme of the utility model is further improved as follows: the inner ring sealing groove is formed in the inner wall of the third mounting groove, the inner wall of the inner ring sealing groove is movably connected with the outer wall of the inner ring rubber ring, and the inner wall of the third mounting groove is movably connected with the outer wall of the temperature measuring tube.
By adopting the technical scheme, the sealing nylon rod, the outer ring sealing groove, the first mounting groove, the second mounting groove, the third mounting groove, the outer ring rubber ring and the inner ring rubber ring are matched for use in the scheme, so that the sealing nylon rod can form good sealing with an inner hole in the middle of a roll shaft and an oil inlet pipe, and even if an oil inlet pipe joint loosens or the oil level in a vibration-breaking roll shaft hole rises, the oil cannot overflow from the tail of the grinding roll, and further the problems of oil pollution equipment and environment are avoided.
The technical scheme of the utility model is further improved as follows: the one end of sealed nylon stick has seted up first mounting groove, the inner wall of first mounting groove with respirator pipe's outer wall swing joint.
The technical scheme of the utility model is further improved as follows: the second mounting groove is formed in one end of the sealing nylon rod, and the inner wall of the second mounting groove is movably connected with the outer wall of the oil inlet pipe.
The technical scheme of the utility model is further improved as follows: the number of the outer ring seal grooves is two.
The technical scheme of the utility model is further improved as follows: the number of the inner ring seal grooves is two.
By adopting the technical scheme, the outer ring sealing groove, the inner ring sealing groove, the outer ring rubber ring and the inner ring rubber ring which correspond to the outer ring sealing groove and the inner ring sealing groove are utilized in the scheme, the number of the outer ring sealing groove and the inner ring sealing groove is two, and the sealing effect is further improved through double sealing effects.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a sealing structure for preventing oil leakage at the tail part of a grinding roller of a vertical mill, which utilizes the cooperation of a sealing nylon rod, an outer ring sealing groove, a first mounting groove, a second mounting groove, a third mounting groove, an outer ring rubber ring and an inner ring rubber ring to ensure that the sealing nylon rod can form good sealing with an inner hole in the middle part of a roller shaft and an oil inlet pipe, even if an oil inlet pipe joint loosens or the oil surface in a vibration-breaking roller shaft hole rises, the sealing nylon rod cannot overflow from the tail part of the grinding roller, and further the problems of oil pollution to equipment and environment are avoided.
2. The utility model provides a sealing structure for preventing oil leakage at the tail part of a grinding roller of a vertical mill, which utilizes an outer ring sealing groove, an inner ring sealing groove, and an outer ring rubber ring and an inner ring rubber ring which correspond to the outer ring sealing groove and the inner ring sealing groove, wherein the number of the outer ring rubber ring and the inner ring rubber ring is two groups, and the sealing effect is further improved through double sealing effects.
Drawings
FIG. 1 is a schematic view of a main device structure of the present utility model;
FIG. 2 is a schematic view of a seal nylon rod according to the present utility model;
FIG. 3 is a schematic diagram of a left-hand structure of a sealing nylon rod of the present utility model;
fig. 4 is an enlarged schematic view of the structure at a in the present utility model.
In the figure: 1. a main body device; 2. sealing nylon rods; 3. a respirator tube; 4. an oil inlet pipe; 5. a temperature measuring tube; 6. a first mounting groove; 7. a second mounting groove; 8. a third mounting groove; 9. an outer ring seal groove; 10. an outer ring rubber ring; 11. an inner ring seal groove; 12. an inner ring rubber ring.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1-4, the utility model provides a sealing structure for preventing oil leakage at the tail of a grinding roller of a vertical mill, which comprises a main body device 1, wherein the main body device 1 comprises an assembling sealing unit, a conveying unit and an auxiliary sealing unit.
The assembly sealing unit comprises a sealing nylon rod 2, the conveying unit comprises a respirator pipe 3, an oil inlet pipe 4 and a temperature measuring pipe 5, and the auxiliary sealing unit comprises an outer ring rubber ring 10 and an inner ring rubber ring 12.
The internal aperture of the grinding roller shaft is actually measured on site, then a sealing nylon rod 2 with a small amount of gaps with the aperture is manufactured by turning, further subsequent installation work is facilitated, and meanwhile the sealing performance is improved.
The front end of the sealing nylon rod 2 is provided with two groove outer ring sealing grooves 9 for outer ring rubber rings 10, the middle part of the sealing nylon rod 2 is provided with three holes corresponding to the breather pipe 3, the oil inlet pipe 4 and the temperature measuring pipe 5, the first mounting groove 6, the second mounting groove 7 and the third mounting groove 8, and each hole is internally provided with two inner ring sealing grooves 11 for mounting inner ring rubber rings 12.
The outer ring rubber ring 10 is positioned outside the sealing nylon rod 2, and the inner ring rubber ring 12 is positioned inside the sealing nylon rod 2.
An outer ring sealing groove 9 is formed in the outer wall of one end of the sealing nylon rod 2, and the inner wall of the outer ring sealing groove 9 is movably connected with the outer wall of an outer ring rubber ring 10.
The inner ring rubber ring 12 is installed in the inner ring sealing groove 11, the outer ring rubber ring 10 is installed in the outer ring sealing groove 9, the respirator pipe 3, the oil inlet pipe 4 and the temperature measuring pipe 5 are assembled through the first mounting groove 6, the second mounting groove 7 and the third mounting groove 8 which correspond to the three holes, and then the sealing nylon rod 2 is installed in the inner hole in the middle of the roll shaft for use.
The third mounting groove 8 has been seted up to one end of sealed nylon stick 2, and inner ring seal groove 11 has been seted up to the inner wall of third mounting groove 8, and inner ring seal groove 11's inner wall and inner ring rubber circle 12 outer wall swing joint, the inner wall of third mounting groove 8 and the outer wall swing joint of temperature tube 5.
Example 2
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, a first mounting groove 6 is formed in one end of the sealing nylon rod 2, the inner wall of the first mounting groove 6 is movably connected with the outer wall of the respirator tube 3, a second mounting groove 7 is formed in one end of the sealing nylon rod 2, and the inner wall of the second mounting groove 7 is movably connected with the outer wall of the oil inlet tube 4.
The number of the outer ring sealing grooves 9 is two, the number of the inner ring sealing grooves 11 is two, and the sealing effect is further improved through double sealing effect by utilizing the outer ring sealing grooves 9, the inner ring sealing grooves 11, the outer ring rubber rings 10 and the inner ring rubber rings 12 which correspond to the two.
The working principle of the sealing structure for preventing oil leakage at the tail part of the vertical mill grinding roller is specifically described below.
As shown in figures 1-4, when the device is used, the inner aperture of a grinding roller shaft is actually measured on site, then a sealing nylon rod 2 with a small amount of gaps with the aperture is turned and manufactured, two groove outer ring sealing grooves 9 are formed in the front end of the sealing nylon rod 2 and used for outer ring rubber rings 10, three holes corresponding to a respirator pipe 3, an oil inlet pipe 4 and a temperature measuring pipe 5 are formed in the middle of the sealing nylon rod 2, a first mounting groove 6, a second mounting groove 7 and a third mounting groove 8 are formed in the middle of the sealing nylon rod 2, and two inner ring sealing grooves 11 are formed in the inner part of each hole and used for mounting inner ring rubber rings 12.
Then, when the sealing nylon rod is used, the inner ring rubber ring 12 is installed in the inner ring sealing groove 11, the outer ring rubber ring 10 is installed in the outer ring sealing groove 9, the first, second and third mounting grooves 6, 7 and 8 of the three holes corresponding to the breather pipe 3, the oil inlet pipe 4 and the temperature measuring pipe 5 are assembled, and then the sealing nylon rod 2 is installed in the inner hole in the middle of the roll shaft for use.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (7)
1. The utility model provides a seal structure for vertical mill grinding roller afterbody leak protection oil, includes main part device (1), its characterized in that: the main body device (1) comprises an assembly sealing unit, a conveying unit and an auxiliary sealing unit;
the assembly sealing unit comprises a sealing nylon rod (2), the conveying unit comprises a breather pipe (3), an oil inlet pipe (4) and a temperature measuring pipe (5), and the auxiliary sealing unit comprises an outer ring rubber ring (10) and an inner ring rubber ring (12);
the outer ring rubber ring (10) is positioned outside the sealing nylon rod (2), and the inner ring rubber ring (12) is positioned inside the sealing nylon rod (2).
2. The sealing structure for oil leakage prevention of the tail of a grinding roller of a vertical mill according to claim 1, wherein: an outer ring sealing groove (9) is formed in the outer wall of one end of the sealing nylon rod (2), and the inner wall of the outer ring sealing groove (9) is movably connected with the outer wall of the outer ring rubber ring (10).
3. The sealing structure for oil leakage prevention of the tail of a grinding roller of a vertical mill according to claim 1, wherein: the one end of sealed nylon stick (2) has seted up third mounting groove (8), inner ring seal groove (11) have been seted up to the inner wall of third mounting groove (8), the inner wall of inner ring seal groove (11) with inner ring rubber circle (12) outer wall swing joint, the inner wall of third mounting groove (8) with the outer wall swing joint of temperature measurement pipe (5).
4. The sealing structure for oil leakage prevention of the tail of a grinding roller of a vertical mill according to claim 1, wherein: one end of the sealing nylon rod (2) is provided with a first mounting groove (6), and the inner wall of the first mounting groove (6) is movably connected with the outer wall of the respirator tube (3).
5. The sealing structure for oil leakage prevention of the tail of a grinding roller of a vertical mill according to claim 1, wherein: one end of the sealing nylon rod (2) is provided with a second mounting groove (7), and the inner wall of the second mounting groove (7) is movably connected with the outer wall of the oil inlet pipe (4).
6. The sealing structure for oil leakage prevention of the tail of the grinding roller of the vertical mill according to claim 2, wherein: the number of the outer ring seal grooves (9) is two.
7. A sealing arrangement for oil leakage prevention at the tail of a grinding roller of a vertical mill according to claim 3, characterized in that: the number of the inner ring seal grooves (11) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320561904.6U CN219932953U (en) | 2023-03-21 | 2023-03-21 | Sealing structure for preventing oil leakage at tail of grinding roller of vertical mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320561904.6U CN219932953U (en) | 2023-03-21 | 2023-03-21 | Sealing structure for preventing oil leakage at tail of grinding roller of vertical mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219932953U true CN219932953U (en) | 2023-10-31 |
Family
ID=88501490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320561904.6U Active CN219932953U (en) | 2023-03-21 | 2023-03-21 | Sealing structure for preventing oil leakage at tail of grinding roller of vertical mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219932953U (en) |
-
2023
- 2023-03-21 CN CN202320561904.6U patent/CN219932953U/en active Active
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