CN111927890A - Novel contact type sealing ring and rolling mill supporting roller bearing applying same - Google Patents
Novel contact type sealing ring and rolling mill supporting roller bearing applying same Download PDFInfo
- Publication number
- CN111927890A CN111927890A CN202010798243.XA CN202010798243A CN111927890A CN 111927890 A CN111927890 A CN 111927890A CN 202010798243 A CN202010798243 A CN 202010798243A CN 111927890 A CN111927890 A CN 111927890A
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- CN
- China
- Prior art keywords
- ring
- sealing ring
- contact type
- sealing
- lip
- Prior art date
- 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.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/07—Adaptation of roll neck bearings
- B21B31/078—Sealing devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
- F16C19/38—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/782—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region
- F16C33/7823—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region of sealing lips
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2322/00—Apparatus used in shaping articles
- F16C2322/12—Rolling apparatus, e.g. rolling stands, rolls
Abstract
The invention discloses a rolling mill support roller bearing applying a novel contact type sealing ring, wherein two ends of an inner ring are respectively sleeved with a guide ring in an interference fit manner, the outer circumference of the guide ring is sleeved with a gasket in an interference fit manner, an outer diameter surface ring groove of the gasket is connected with a sealing ring seat of the contact type sealing ring in an interference fit manner, a cylindrical cavity and a conical cavity which are connected are arranged in an outer ring, a sealing ring lip I of the contact type sealing ring is in contact sealing with the conical cavity, a sealing ring II of the contact type sealing ring is in contact sealing with the cylindrical cavity, and a thrust roller is arranged between the outer ring and the inner. The invention adopts a structure that a contact type sealing ring is added between the end surfaces of the inner ring and the outer ring through the guide ring and the gasket, the sealing ring lip is used for sealing foreign matters such as water, oxide skin and the like outside, the sealing ring is used for sealing lubricating oil without leakage and keeping the bearing not lack of oil during working, the cylindrical cavity and the conical cavity of the outer ring are contacted with the contact type sealing ring, and the conical cavity is used for ensuring that water and impurities are not easy to enter the bearing.
Description
Technical Field
The invention relates to the technical field of bearing sealing, in particular to a novel contact type sealing ring and a rolling mill supporting roller bearing applying the same.
Background
The high-speed, high-pressure and high-precision rolling mill support roller bearing is characterized in that a plurality of bearings are connected in series to be equivalent to a support roller during steel rolling, so that oxide skin and cooling water easily enter the bearings, and the bearings are damaged early. In order to prolong the service life of the bearing, a sealing structure device is added on the end surface of the bearing. Originally, the sealing adopted by people is of a single-lip structure, the sealing effect is not ideal in use, and a small amount of impurities and water enter the bearing. For better sealing and prolonging the service life of the bearing, the sealing structure is analyzed to determine a new structure, and the use requirement of a user is met.
Disclosure of Invention
The invention provides a novel contact type sealing ring and a rolling mill supporting roller bearing applying the same to solve the problems.
In order to solve the technical problems, the technical scheme of the invention is as follows: the novel contact type sealing ring comprises a sealing ring seat, a sealing ring lip I and a sealing ring II which are connected into an integrated structure; the sealing ring seat is of an annular structure, the first sealing ring lip and the second sealing ring lip are both of a cavity cone structure, the first sealing ring lip is connected with the second sealing ring lip, and the inner cavity of the first sealing ring lip is connected with the outer circumference of the sealing ring seat.
Furthermore, a plurality of rings of fastening conical rings are arranged on two end faces of the sealing ring seat at intervals and surround along the axis.
Further, the taper angle of the fastening cone ring is outward in the radial direction of the fastening cone ring.
A rolling mill supporting roller bearing applying a novel contact type sealing ring comprises the contact type sealing ring, rollers are arranged between an inner ring and an outer ring through a retainer, a space ring is arranged between adjacent rollers, and an oil inlet hole and an exhaust hole are formed in the inner ring; the two ends of the inner ring are respectively sleeved with a guide ring in an interference fit manner, the outer circumference of the guide ring is sleeved with a gasket in an interference fit manner, an outer diameter surface annular groove of the gasket is connected with a sealing ring seat of the contact type sealing ring in an interference fit manner, a cylindrical cavity and a conical cavity which are connected are formed in the outer ring, a sealing ring lip I of the contact type sealing ring is in contact sealing with the conical cavity, a sealing ring II of the contact type sealing ring is in contact sealing with the cylindrical cavity, and a thrust roller is arranged between the outer ring and the inner side.
Furthermore, the gasket and the guide ring are of an integrated structure.
Furthermore, an O-shaped sealing ring is arranged between the gasket and the guide ring.
Furthermore, the outer end faces of the O-shaped sealing ring protruding out of the gasket and the guide ring are smaller than 2 mm.
The structure that the contact type sealing ring is added between the end faces of the inner ring and the outer ring through the guide ring and the gasket is adopted, the sealing ring lip is used for sealing foreign matters such as outside water, oxide skin and the like, the sealing ring is used for sealing lubricating oil without leakage, oil shortage is avoided when the bearing works, a cylindrical cavity and a conical cavity of the outer ring are in contact with the contact type sealing ring, and the conical cavity is used for ensuring that water and impurities are not easy to enter the bearing; an O-ring seal is used between the gasket and the guide ring to seal the ear plate of the device and prevent water from entering the shaft of the device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged partial view of FIG. 1;
fig. 3 is a schematic view of a contact type gasket structure.
Wherein: 1. the device comprises an outer ring, 2, a contact type sealing ring, 3, a gasket, 4, a thrust roller, 5, a thrust retainer, 6, an O-shaped sealing ring, 7, a guide ring, 8, a roller, 9, a retainer, 10, a spacer ring, 11, an inner ring, 12, a sealing ring seat, 13, a sealing ring lip I, 14, a sealing ring II, 15 and a fastening conical ring.
Detailed Description
The following further describes embodiments of the present invention with reference to fig. 1-3.
The novel contact type sealing ring comprises a sealing ring seat 12, a sealing ring lip I13 and a sealing ring II 14 which are connected into an integrated structure; the seal ring seat 12 is of a circular ring structure, the first seal ring lip 13 and the second seal ring lip 14 are both of a cavity cone structure, the first seal ring lip 13 is connected with the second seal ring lip 14, and the inner cavity of the first seal ring lip 13 is connected with the outer circumference of the seal ring seat 12.
The two end faces of the sealing ring seat 12 are provided with a plurality of rings of fastening conical rings 15 at intervals around the axis.
The taper angle of the fastening cone ring 15 is outward in the radial direction of the fastening cone ring 15.
A rolling mill supporting roller bearing applying a novel contact type sealing ring comprises a contact type sealing ring 2, rollers 8 are arranged between an inner ring 11 and an outer ring 1 through a retainer 9, a space ring 10 is arranged between adjacent rollers 8, and an oil inlet hole and an exhaust hole are formed in the inner ring 11; the two ends of the inner ring 11 are respectively sleeved with a guide ring 7 in an interference fit manner, the outer circumference of the guide ring 7 is sleeved with a gasket 3 in an interference fit manner, an outer diameter surface ring groove of the gasket 3 is connected with a sealing ring seat 12 of the contact type sealing ring 2 in an interference fit manner, a cylindrical cavity and a conical cavity which are connected are formed in the outer ring 1, a sealing ring lip 13 of the contact type sealing ring 2 is in contact sealing with the conical cavity, a sealing ring II 14 of the contact type sealing ring 2 is in contact sealing with the cylindrical cavity, and a thrust roller 4 is arranged between the outer ring 1 and the inner side surface of.
The gasket 3 and the guide ring 7 are of an integral structure.
An O-shaped sealing ring 6 is arranged between the gasket 3 and the guide ring 7.
The O-shaped sealing ring 6 protrudes out of the outer end faces of the gasket 3 and the guide ring 7 by less than 2 mm.
When the device works, the inner ring 11 is fixed, and the outer ring 1 rotates and drives the rollers 8 to roll, so that the radial force is mainly borne. The thrust rollers 4 are uniformly spaced by the thrust retainer 5 and are driven by the end face of the outer ring 1 to roll on the gasket 3, and mainly bear axial force.
The bearing is sealed at both end surfaces in order to improve the sealing performance of the bearing. A contact type sealing ring 2 is additionally arranged between the end faces of an inner ring 11 and an outer ring 1 through a guide ring 7 and a gasket 3, a first sealing ring lip 13 and a second sealing ring 14 are in contact sealing with the rotating outer ring 1, the first sealing ring lip 13 is used for sealing foreign matters such as outside water, oxide scales and the like, and the second sealing ring lip 14 is used for sealing lubricating oil and preventing the lubricating oil from leaking outwards and keeping the bearing from being lack of oil during working. The cylindrical cavity and the conical cavity of the outer ring 1 are in contact with the contact type sealing ring 2, and the conical cavity ensures that water and impurities are not easy to enter the bearing. The sealing ring seat 12 and the ring groove on the outer diameter surface of the gasket 3 are fixed in the groove in an interference mode. The washer 3 and the guide ring 7 are connected by interference fit. The guide ring 7 is also in interference fit contact with the inner ring 11. The O-shaped sealing ring 6 is arranged between the gasket 3 and the guide ring 7, the O-shaped sealing ring 6 protrudes out of the outer end faces of the gasket 3 and the guide ring 7 by less than 2mm, and is used for sealing the lug plate of the equipment to prevent water from entering the shaft of the equipment, and the gasket 3 and the guide ring 7 can be integrated if the shaft of the equipment does not require sealing.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (7)
1. The novel contact type sealing ring is characterized by comprising a sealing ring seat (12), a sealing ring lip I (13) and a sealing ring II (14) which are connected into an integrated structure; the sealing ring seat (12) is of a circular structure, the first sealing ring lip (13) and the second sealing ring (14) are both of a cavity cone structure, the first sealing ring lip (13) is connected with the second sealing ring (14), and the inner cavity of the first sealing ring lip (13) is connected with the outer circumference of the sealing ring seat (12).
2. The new contact type seal ring according to claim 1, characterized in that the two end faces of the seal ring seat (12) are provided with a plurality of rings of fastening conical rings (15) around the axis at intervals.
3. The new contact seal ring according to claim 2, characterized in that the cone angle of the fastening cone ring (15) is outward in the radial direction of the fastening cone ring (15).
4. A rolling mill backup roll bearing applying the novel contact type sealing ring according to claim 1, 2 or 3, characterized by comprising the contact type sealing ring (2), wherein rollers (8) are arranged between an inner ring (11) and an outer ring (1) through a retainer (9), a space ring (10) is arranged between the adjacent rollers (8), and an oil inlet hole and an exhaust hole are formed in the inner ring (11); the inner ring sealing structure is characterized in that guide rings (7) are sleeved at two ends of an inner ring (11) in an interference fit manner, a gasket (3) is sleeved at the outer circumference of each guide ring (7) in an interference fit manner, an outer diameter surface ring groove of the gasket (3) is connected with a sealing ring seat (12) of a contact type sealing ring (2) in an interference fit manner, a cylindrical cavity and a conical cavity which are connected are formed in an outer ring (1), a sealing ring lip I (13) of the contact type sealing ring (2) is in contact sealing with the conical cavity, a sealing ring II (14) of the contact type sealing ring (2) is in contact sealing with the cylindrical cavity, and a thrust roller (4) is arranged between the inner side surfaces of the outer ring (.
5. The rolling mill backup roll bearing according to claim 4, characterized in that the washer (3) and the guide ring (7) are of an integral structure.
6. Rolling mill backup roll bearing according to claim 4, characterized in that an O-ring (6) is arranged between the washer (3) and the guide ring (7).
7. Rolling mill backup roll bearing according to claim 6, characterized in that the O-ring (6) protrudes beyond the outer end surface of the washer (3) and the guide ring (7) by less than 2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010798243.XA CN111927890A (en) | 2020-08-11 | 2020-08-11 | Novel contact type sealing ring and rolling mill supporting roller bearing applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010798243.XA CN111927890A (en) | 2020-08-11 | 2020-08-11 | Novel contact type sealing ring and rolling mill supporting roller bearing applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111927890A true CN111927890A (en) | 2020-11-13 |
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ID=73308158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010798243.XA Pending CN111927890A (en) | 2020-08-11 | 2020-08-11 | Novel contact type sealing ring and rolling mill supporting roller bearing applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111927890A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090648A (en) * | 2021-03-19 | 2021-07-09 | 人本股份有限公司 | Thrust ball bearing |
-
2020
- 2020-08-11 CN CN202010798243.XA patent/CN111927890A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090648A (en) * | 2021-03-19 | 2021-07-09 | 人本股份有限公司 | Thrust ball bearing |
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| SE01 | Entry into force of request for substantive examination | ||
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