CN213270932U - Open gear sealing device - Google Patents
Open gear sealing device Download PDFInfo
- Publication number
- CN213270932U CN213270932U CN202022202820.2U CN202022202820U CN213270932U CN 213270932 U CN213270932 U CN 213270932U CN 202022202820 U CN202022202820 U CN 202022202820U CN 213270932 U CN213270932 U CN 213270932U
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- Prior art keywords
- gear
- ring
- housing
- sealing
- open
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- General Details Of Gearings (AREA)
Abstract
An open gear sealing device belongs to the technical field of open gear sealing equipment. The method is characterized in that: one side of the sealing cover (4) is connected with the housing (2) in a sealing mode, the other side of the sealing cover is connected with the gear or the gear ring in a sealing mode, the connecting portion of the housing (2) and the gear or the gear ring is covered with the sealing cover, the guide ring (3) is arranged in the lubricating cavity, the guide ring (3) is a conical ring with the diameter gradually reduced along the direction close to the gear or the gear ring, the guide ring (3) is provided with a plurality of guide rings at intervals along the direction close to the axis of the gear or the gear ring, and labyrinth sealing is formed at the connecting portion of the housing (2) and the. The open gear sealing device solves the problem of oil leakage of the open gear, avoids oil pollution, improves the field environment, has good use effect, optimizes the lubricating mode, solves the problem of the open gear oil, and improves the field environment.
Description
Technical Field
An open gear sealing device belongs to the technical field of open gear sealing equipment.
Background
At present, the cement mill transmission gear of a cement grinding station mostly adopts an open gear, and due to the defects of simple sealing mode, unreasonable structure and the like, the gear has poor sealing performance and serious site oil leakage, impurities such as dust and the like are mixed into the gear through a leakage point, the service life of the gear is reduced, lubricating oil is polluted, the site environment is severe, gear damage can be seriously caused, production stop is caused, and huge loss is brought to enterprises. With the severe environment protection situation, the problem of oil leakage on site becomes the technical bottleneck problem of the healthy development of enterprises, and the problem needs to be solved urgently.
The reason for the oil leakage of the open gear is analyzed as follows: the lubrication mode of the cement grinding large gear ring is splash lubrication, the sealing mode is that an oil retainer ring is sealed with a felt, the viscosity is reduced and the fluidity is enhanced along with the rise of the temperature of lubricating oil in the actual use process, the lubricating oil leaks to the periphery of the large gear ring along with the felt under the dual actions of plastic deformation and lubricating oil soaking of the felt, and the rotation of the gear ring throws the grease to an oil pool or a cement grinding cylinder body and the periphery to cause pollution.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: the open gear sealing device overcomes the defects of the prior art, can ensure good sealing effect on the gear or the gear ring, and can avoid oil leakage between the housing and the gear or the gear ring.
The utility model provides a technical scheme that its technical problem adopted is: this open gear sealing device establishes the housing outside gear or ring gear including the cover, and the both sides of housing link to each other with two terminal surfaces of gear or ring gear respectively to enclose into lubricated chamber, its characterized in that with gear or ring gear: the sealing cover is connected with the cover in a sealing mode, the other side of the sealing cover is connected with the gear or the gear ring in a sealing mode, the connecting portion of the cover and the gear or the gear ring is covered with the sealing cover, the flow guide ring is arranged in the lubricating cavity and is a conical ring, the diameter of the conical ring is gradually reduced along the direction close to the gear or the gear ring, the flow guide ring is provided with a plurality of conical rings at intervals along the direction close to the axis of the gear or the gear ring, and labyrinth sealing is formed at the connecting portion of the cover and the gear or the gear ring.
Preferably, the housing is a circular ring shape covered outside the gear or the gear ring, the cross section of the housing is a groove shape with an opening facing the gear or the gear ring, and the housing and the gear or the gear ring are coaxially arranged. The section of the housing is of a groove shape, so that the housing is convenient to be connected with the gear or the gear ring, and a lubricating cavity can be formed between the housing and the gear or the gear ring.
Preferably, two guide rings are arranged between the end part of the housing and the corresponding side of the gear or the gear ring, wherein the inner side of one guide ring is connected with the gear or the gear ring, and the outer side of the other guide ring is connected with the housing to form the labyrinth seal. The two guide rings can guide lubricating oil to flow to the gear or the gear ring, and can form labyrinth seal to avoid leakage of the lubricating oil.
Preferably, the sealing cover is in a ring shape coaxially arranged with the housing, the cross section of the sealing cover is in a groove shape with an opening facing the end face of the gear or the gear ring, one side of the sealing cover is in sealing connection with the corresponding side of the housing, the other side of the sealing cover is detachably connected with the gear or the gear ring, and a polyurethane sealing ring is arranged between the sealing cover and the gear or the gear ring.
Preferably, oil slingers are arranged on two end faces of the gear or the gear ring, two sides of the housing are detachably connected with the oil slingers on the corresponding sides respectively, and felt sealing rings are arranged between the housing and the oil slingers on the corresponding sides.
Preferably, the outer side of each oil deflector ring is provided with a sealing ring, two sides of the housing are respectively detachably connected with the sealing rings on the corresponding sides, and the felt sealing ring is arranged between the sealing ring and the corresponding side of the housing.
Compared with the prior art, the utility model discloses the beneficial effect who has is:
the casing of the open gear sealing device synchronously rotates along with the gear or the gear ring, in the process of rotating the gear or the gear ring, lubricating oil splashes onto the outer wall of the casing along the tangential direction of the gear or the gear ring, when the lubricating oil is positioned at the upper part of the gear or the gear ring, the lubricating oil rebounds to the surface of the gear or the gear ring under the action of gravity and the guide rings, a 'circulation flow' lubricating area is formed, the nonuniformity of splash lubrication is compensated, when the gear or the gear ring rotates to the lower part, the lubricating oil flows to the bottom of the casing under the action of gravity, a plurality of guide rings form labyrinth seals to form a first seal, the connecting part of the casing, the gear and the gear ring is a second seal, the connecting part of the casing, the gear or the gear ring is covered by the sealing cover to form a third seal, the problem of oil leakage of the open gear is solved, the grease pollution is avoided, the, the problem of open gear oil is solved, and the field environment is improved.
Drawings
FIG. 1 is a front cross-sectional schematic view of an open gear seal.
In the figure: 1. the oil slinger comprises an oil slinger 2, a housing 3, a flow guide ring 4, a seal cover 5, a connecting ring 6 and a seal ring.
Detailed Description
Fig. 1 is a preferred embodiment of the present invention, and the present invention will be further explained with reference to fig. 1.
The utility model provides an open gear sealing device, establish housing 2 outside gear or ring gear including the cover, the both sides of housing 2 link to each other with two terminal surfaces of gear or ring gear respectively, and enclose into lubricated chamber with gear or ring gear, still include sealed cowling 4 and water conservancy diversion ring 3, sealed cowling 4 one side and housing 2 sealing connection, the opposite side and gear or ring gear sealing connection, and establish including the connecting portion cover of housing 2 and gear or ring gear, water conservancy diversion ring 3 sets up in lubricated intracavity, water conservancy diversion ring 3 is the taper ring that reduces along the direction diameter near gear or ring gear gradually, water conservancy diversion ring 3 is provided with a plurality ofly along the direction interval of the axis near gear or ring gear, and form labyrinth seal at the connecting portion of housing 2 and gear or ring gear. The casing 2 of the open gear sealing device synchronously rotates along with the gear or the gear ring, in the process of the rotation of the gear or the gear ring, lubricating oil splashes to the outer wall of the casing 2 along the tangential direction of the gear or the gear ring, when the lubricating oil is positioned at the upper part of the gear or the gear ring, the lubricating oil rebounds to the surface of the gear or the gear ring under the action of gravity and the guide rings 3 and forms a 'circulation flow' lubricating area, the nonuniformity of splash lubrication is compensated, when the gear or the gear ring rotates to the lower part, the lubricating oil flows to the bottom of the casing 2 under the action of gravity, a plurality of guide rings 3 form labyrinth seals to form a first seal, the connecting part of the casing 2 and the gear ring is a second seal, the connecting part of the casing 2 and the gear or the gear ring is covered by the sealing cover 4 to form a third seal, the problem of oil leakage of the open gear, the lubricating oil has good use effect, optimizes the lubricating mode, solves the problem of open gear oil and improves the field environment.
The present invention is further described with reference to specific embodiments, however, it will be understood by those skilled in the art that the detailed description given herein with respect to the drawings is for better explanation and that the present invention is necessarily to be construed as limited to those embodiments, and equivalents or common means thereof will not be described in detail but will fall within the scope of the present application.
Specifically, the method comprises the following steps: as shown in fig. 1: the housing 2 covers the gear or the gear ring, and in the embodiment, the housing 2 covers the gear ring.
Two terminal surfaces around the ring gear all are provided with oil scraper ring 1, and oil scraper ring 1's external diameter equals with the external diameter of ring gear, and oil scraper ring 1 and the coaxial setting of ring gear, the laminating of the corresponding side of oil scraper ring 1 and ring gear to with the welding of the corresponding side of ring gear, the inboard that encircles oil scraper ring 1 is provided with outside turn-ups, make oil scraper ring 1 form the cross-section for horizontal "L" shape, the turn-ups setting is kept away from one side of ring gear at oil scraper ring 1.
The outer side of each oil deflector ring 1 is provided with a sealing ring 6, the sealing ring 6 surrounds the flanging of the oil deflector ring 1, and the sealing ring 6 is coaxially sleeved on the outer side of the corresponding oil deflector ring 1 and is welded with the flanging of the oil deflector ring 1.
The side of the ring gear is spaced from the housing 2 to form a lubrication chamber around the ring gear. The guide ring 3 is arranged in the lubricating cavity, in the embodiment, the guide ring 3 is arranged between the end surface on the right side of the gear ring and the corresponding side of the housing 2, and the guide rings 3 are coaxially arranged in two.
The guide rings 3 are tapered, the diameter of each guide ring 3 is gradually reduced along the direction close to the gear ring, the two guide rings 3 are arranged side by side along the direction close to the axis of the gear ring, the outer side of each guide ring 3 positioned on the outer side is welded with the corresponding side of the housing 2, and the inner side of each guide ring 3 positioned on the inner side is welded with the oil retainer ring 1 positioned on the corresponding side. The deflector rings 3 enable both the flow of lubricant onto the gear ring and the two deflector rings 3 can form a labyrinth seal.
The sealing cover 4 is arranged on the right side of the gear ring, the sealing cover 4 and the gear ring are coaxially arranged in an annular shape, the cross section of the sealing cover 4 is in a groove shape with an opening facing the gear ring, the lower side of the sealing cover 4 is welded with the corresponding side of the housing 2, and the upper side of the sealing cover is detachably connected with the gear ring.
The inner wall that encircles the ring gear is provided with go-between 5, go-between 5 and the welding of ring gear inner wall, the upside that encircles sealed cowling 4 is provided with decurrent turn-ups, the turn-ups of sealed cowling 4 passes through bolt detachable with go-between 5 to be connected, and is provided with the polyurethane sealing washer between the turn-ups of sealed cowling 4 and go-between 5, including the sealed cowling 4 covers the connecting portion of establishing ring gear and housing 2.
The open gear sealing device realizes three sealing through labyrinth seal, the felt sealing ring and the polyurethane sealing ring, solves the problem of oil leakage of the open gear, avoids oil pollution, improves the field environment, has good use effect, optimizes the lubricating mode, solves the problem of the open gear oil and improves the field environment.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides an open gear sealing device, establishes housing (2) outside gear or ring gear including the cover, and the both sides of housing (2) link to each other with two terminal surfaces of gear or ring gear respectively to enclose into lubricated chamber, its characterized in that with gear or ring gear: still include sealed cowling (4) and water conservancy diversion ring (3), sealed cowling (4) one side and housing (2) sealing connection, the opposite side and gear or ring gear sealing connection, and cover housing (2) and the connecting portion cover of gear or ring gear including, water conservancy diversion ring (3) set up in lubricated intracavity, water conservancy diversion ring (3) are the toper ring that the direction diameter along being close to gear or ring gear reduces gradually, water conservancy diversion ring (3) are provided with a plurality of along the direction interval of the axis of being close to gear or ring gear, and form labyrinth seal at the connecting portion of housing (2) and gear or ring gear.
2. The open gear seal arrangement of claim 1, wherein: the gear ring is characterized in that the housing (2) is in a ring shape and covers the gear or the gear ring, the cross section of the housing (2) is in a groove shape with an opening facing the gear or the gear ring, and the housing (2) and the gear or the gear ring are coaxially arranged.
3. The open gear seal arrangement of claim 1, wherein: two guide rings (3) are arranged between the end part of the housing (2) and the corresponding side of the gear or the gear ring, the inner side of one guide ring (3) is connected with the gear or the gear ring, and the outer side of the other guide ring (3) is connected with the housing (2) to form the labyrinth seal.
4. The open gear seal arrangement of claim 1, wherein: the sealing cover (4) is in a ring shape and is coaxially arranged with the housing (2), the cross section of the sealing cover (4) is in a groove shape with an opening facing the end face of the gear or the gear ring, one side of the sealing cover (4) is in sealing connection with the corresponding side of the housing (2), the other side of the sealing cover is detachably connected with the gear or the gear ring, and a polyurethane sealing ring is arranged between the sealing cover (4) and the gear or the gear ring.
5. The open gear seal arrangement of claim 1, wherein: two end faces of the gear or the gear ring are respectively provided with an oil deflector ring (1), two sides of the housing (2) are respectively detachably connected with the oil deflector rings (1) on the corresponding sides, and felt sealing rings are arranged between the housing (2) and the oil deflector rings (1) on the corresponding sides.
6. The open gear seal arrangement of claim 5, wherein: and a sealing ring (6) is arranged on the outer side of each oil deflector ring (1), two sides of the housing (2) are respectively detachably connected with the sealing rings (6) on the corresponding sides, and the felt sealing rings are arranged between the sealing rings (6) and the corresponding sides of the housing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022202820.2U CN213270932U (en) | 2020-09-30 | 2020-09-30 | Open gear sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022202820.2U CN213270932U (en) | 2020-09-30 | 2020-09-30 | Open gear sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213270932U true CN213270932U (en) | 2021-05-25 |
Family
ID=75947424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022202820.2U Expired - Fee Related CN213270932U (en) | 2020-09-30 | 2020-09-30 | Open gear sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213270932U (en) |
-
2020
- 2020-09-30 CN CN202022202820.2U patent/CN213270932U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210525 |