CN219795882U - Bearing sealing structure of vibration exciter of screening equipment - Google Patents
Bearing sealing structure of vibration exciter of screening equipment Download PDFInfo
- Publication number
- CN219795882U CN219795882U CN202321317062.6U CN202321317062U CN219795882U CN 219795882 U CN219795882 U CN 219795882U CN 202321317062 U CN202321317062 U CN 202321317062U CN 219795882 U CN219795882 U CN 219795882U
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- Prior art keywords
- bearing
- oil
- cover
- baffle disc
- main shaft
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 25
- 238000012216 screening Methods 0.000 title claims abstract description 16
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 75
- 239000000428 dust Substances 0.000 abstract description 7
- 239000010687 lubricating oil Substances 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000001050 lubricating effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- 238000005461 lubrication Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model relates to the field of mechanical design and manufacture, and discloses a bearing sealing structure of a vibration exciter of screening equipment, which comprises a main shaft, a bearing seat and a bearing cover; the bearing is arranged on the main shaft, the bearing seat is used for supporting the bearing, and the bearing seat is provided with an oil filling hole; bearing caps are arranged on two sides of the bearing seat; the device also comprises a labyrinth cover, an oil baffle disc and an oil seal; the labyrinth cover is matched with the outer wall of the bearing cover to form a labyrinth sealing structure; the oil baffle disc is arranged on the main shaft and is matched with the inner wall of the bearing cover to form a cavity; the oil seal is mounted in the cavity. The oil baffle disc is arranged between the bearing and the bearing cover, the oil seal is arranged between the oil baffle disc and the bearing cover, the oil baffle disc prevents a large amount of lubricating oil from damaging the oil seal, and the oil baffle disc brings the oil in the oil cavity to the upper part of the bearing for spraying and descending, so that the effect of lubricating and cooling is achieved. The labyrinth sealing structure effectively prevents dust from entering, solves the oil leakage problem, and prolongs the service life of equipment.
Description
Technical Field
The utility model relates to the field of mechanical design and manufacture, in particular to a bearing sealing structure of a vibration exciter of screening equipment.
Background
At present, a vibrating screen is commonly used for sand screening equipment, and the vibrating screen generally adopts an eccentric block or an eccentric shaft to generate strong exciting force so as to drive a screen box to carry out screening work. Because the vibration exciter has long working time, the bearing heats seriously, and although the bearing is lubricated by thin oil, the lubricating and heat dissipation are possibly insufficient. And the dust outside the end cover is very big, the working environment is abominable, and the dust gets into and leads to the oil blanket wearing and tearing to appear the oil leak seriously. At present, the situation of oil leakage and high oil temperature often occurs at the site bearing end cover.
The utility model patent with the application number of 201120129213.6 provides a sealing structure of a vibration exciter, which comprises a self-aligning roller bearing, a sleeve flange and a main shaft; the self-aligning roller bearing is positioned in an annular cavity formed by the sleeve flange and the main shaft; an oil baffle disc is arranged on one side of the annular cavity for sealing, a bearing cover and a labyrinth cover are arranged on the other side of the annular cavity to form a bow-shaped labyrinth sealing structure, and an oil seal is arranged on the outer ring of the labyrinth cover; the bearing cover is fixedly connected with the sleeve flange, and an asbestos gasket is arranged in the connecting gap; preventing outflow of lubricating oil. But still has the following defects that the problem of bearing heating cannot be well solved, and dust can enter an oil seal to cause oil leakage of the oil seal. In view of the foregoing, there is a need for a bearing seal structure that can solve the problems of frequent oil leakage at the bearing end cap and high oil temperature.
Disclosure of Invention
In order to solve the problems, the utility model aims to provide a bearing sealing structure of a vibration exciter of screening equipment, which solves the problems that oil leakage and high oil temperature often occur at a bearing end cover.
In order to achieve the above purpose, the present utility model adopts the technical scheme that:
a bearing sealing structure of a vibration exciter of screening equipment comprises a main shaft, a bearing seat and a bearing cover; the bearing is arranged on the main shaft, the bearing seat is used for supporting the bearing, and the bearing seat is provided with an oil filling hole; the bearing covers are arranged on two sides of the bearing seat; the device also comprises a labyrinth cover, an oil baffle disc and an oil seal; the labyrinth cover is matched with the outer wall of the bearing cover to form a labyrinth sealing structure; the oil baffle disc is arranged on the main shaft and is matched with the inner wall of the bearing cover to form a cavity; the oil seal is mounted in the cavity.
As a preferred embodiment, the cross section of the labyrinth cover is E-shaped, and the inner wall of the labyrinth cover is matched with the main shaft.
As a preferred embodiment, a sealing ring is arranged between the oil baffle disc and the main shaft.
As a preferred embodiment, the oil seal is a B-type lip seal.
The utility model has the beneficial effects that:
the utility model provides a bearing sealing structure of a vibration exciter of screening equipment, wherein an oil baffle disc is arranged between a bearing and a bearing cover, an oil seal is arranged between the oil baffle disc and the bearing cover, the oil baffle disc prevents a large amount of lubricating oil from damaging the oil seal, the oil baffle disc rotates along with the rotation of a main shaft, and oil in an oil cavity is brought to the upper part of the bearing and sprayed down to realize the functions of lubrication and cooling. The bearing cover and the labyrinth cover are matched to form a labyrinth sealing structure, so that dust is effectively prevented from entering, the oil leakage problem is solved, and the service life of equipment is prolonged. In general, the utility model solves the problem that oil leakage and high oil temperature often occur at the bearing end cover.
Drawings
FIG. 1 is a cross-sectional view of a seal structure of the present utility model;
fig. 2 is an enlarged view of a portion of fig. 1 in accordance with the present utility model.
In the figure: 1. a main shaft; 2. a bearing; 3. a bearing seat; 4. a bearing cap; 5. an oil filling hole; 6. a labyrinth cover; 7. a windage tray; 8. an oil seal; 9. and (3) sealing rings.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent. In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Example 1
As shown in fig. 1-2, the embodiment provides a bearing sealing structure of a vibration exciter of screening equipment, which comprises a main shaft 1, a bearing 2, a bearing seat 3 and a bearing cover 4; the bearing 2 is arranged on the main shaft 1, the bearing seat 3 is used for supporting the bearing 2, and the bearing seat 3 is provided with an oil filling hole 5; the bearing covers 4 are arranged on two sides of the bearing seat 3; the device also comprises a labyrinth cover 6, an oil baffle disc 7 and an oil seal 8; the labyrinth cover 6 is matched with the outer wall of the bearing cover 4 to form a labyrinth sealing structure; the oil baffle disc 7 is arranged on the main shaft 1 and is matched with the inner wall of the bearing cover 4 to form a cavity; the oil seal 8 is mounted in the cavity.
A bearing sealing structure of a vibration exciter of screening equipment is characterized in that an oil filling hole 5 is formed in a bearing seat 3, a bearing cover 4 is connected with the bearing seat 3 preferably through a high-strength bolt, a bearing 2 is preferably two self-aligning roller bearings 2, and an oil cavity is formed between the bearing 2 and the bearing 2. The oil baffle disc 7 is arranged between the bearing 2 and the bearing cover 4 and is matched with the inner wall of the bearing cover 4 to form a cavity for installing the oil seal 8, and the oil baffle disc 7 prevents a large amount of lubricating oil from damaging the oil seal 8. When the main shaft 1 rotates, the oil baffle disc 7 rotates along with the rotation of the main shaft 1, so that oil in the oil cavity is brought to the upper part of the bearing 2 and sprayed down to realize the functions of lubrication and cooling. The bearing cover 4 and the labyrinth cover 6 are matched to form a labyrinth sealing structure, so that dust is effectively prevented from entering, the oil leakage problem is solved, and the service life of equipment is prolonged. When the oil seal 8 is installed, the bearing cover 4 axially positions the bearing 3, and meanwhile, the oil seal 8 is slowly pushed into the oil cavity to seal the oil cavity, and when the oil seal 8 is replaced, only the screw of the bearing cover 4 is required to be detached, and the bearing cover 4 is required to be taken down. In general, the utility model solves the problem that oil leakage and high oil temperature often occur at the end cover of the bearing 2.
Example 2
As shown in fig. 1-2, the present embodiment is developed on the basis of the foregoing embodiment, specifically, the present embodiment provides a bearing sealing structure of a vibration exciter of a screening device, the cross section of the labyrinth cover 6 is E-shaped, and the inner wall of the labyrinth cover 6 is matched with the main shaft 1; external dust is prevented from entering the inside by the labyrinth seal structure.
As a preferred embodiment, a sealing ring 9 is arranged between the oil baffle disc 7 and the main shaft 1, so that the tightness between the oil baffle disc 7 and the main shaft 1 is improved, and oil leakage is prevented.
As a preferred embodiment, the oil seal 8 is a B-type lip-shaped oil seal 8.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (4)
1. A bearing sealing structure of a vibration exciter of screening equipment comprises a main shaft (1), a bearing (2), a bearing seat (3) and a bearing cover (4); the bearing (2) is arranged on the main shaft (1), the bearing seat (3) is used for supporting the bearing (2), and the bearing seat (3) is provided with an oil injection hole (5); the bearing covers (4) are arranged on two sides of the bearing seat (3); the method is characterized in that: the utility model also comprises a labyrinth cover (6), an oil baffle disc (7) and an oil seal (8); the labyrinth cover (6) is matched with the outer wall of the bearing cover (4) to form a labyrinth sealing structure; the oil baffle disc (7) is arranged on the main shaft (1) and is matched with the inner wall of the bearing cover (4) to form a cavity; the oil seal (8) is arranged in the cavity.
2. The bearing seal structure of a vibration exciter of screening apparatus of claim 1, wherein: the cross section of the labyrinth cover (6) is E-shaped, and the inner wall of the labyrinth cover (6) is matched with the main shaft (1).
3. The bearing seal structure of a vibration exciter of screening apparatus of claim 1, wherein: a sealing ring (9) is arranged between the oil baffle disc (7) and the main shaft (1).
4. The bearing seal structure of a vibration exciter of screening apparatus of claim 1, wherein: the oil seal (8) is a B-shaped lip-shaped oil seal (8).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321317062.6U CN219795882U (en) | 2023-05-29 | 2023-05-29 | Bearing sealing structure of vibration exciter of screening equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321317062.6U CN219795882U (en) | 2023-05-29 | 2023-05-29 | Bearing sealing structure of vibration exciter of screening equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
CN219795882U true CN219795882U (en) | 2023-10-03 |
Family
ID=88175091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321317062.6U Active CN219795882U (en) | 2023-05-29 | 2023-05-29 | Bearing sealing structure of vibration exciter of screening equipment |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN219795882U (en) |
-
2023
- 2023-05-29 CN CN202321317062.6U patent/CN219795882U/en active Active
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