CN108543812B - Anti-leakage bearing seat device for roller - Google Patents
Anti-leakage bearing seat device for roller Download PDFInfo
- Publication number
- CN108543812B CN108543812B CN201810540238.1A CN201810540238A CN108543812B CN 108543812 B CN108543812 B CN 108543812B CN 201810540238 A CN201810540238 A CN 201810540238A CN 108543812 B CN108543812 B CN 108543812B
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- Prior art keywords
- bearing
- leakage
- roll
- cover
- roller
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Classifications
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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
- B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
-
- 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
-
- 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
Abstract
The invention discloses an anti-leakage bearing seat device for a roller, which comprises a main bearing, a bearing box, a rear end cover and a sealing mechanism, wherein the main bearing is arranged on the main bearing box; sealing mechanism installs in being located the inner roll journal department of base bearing, sealing mechanism including fixed mounting in the L type transition cover of roll journal department and install in the L type front end housing that falls of L type transition cover periphery, the outer end of L type transition cover and the end face contact of base bearing inner circle, fall L type front end housing fixed mounting in the inner of bearing box, and with the end face contact of base bearing outer lane, be provided with outer water seal between the inner of falling L type front end housing and the roll, form Z shape passageway between falling L type front end housing and the L type transition cover, labyrinth chamber, interior water seal and skeleton oil blanket have set gradually from outer to interior in the Z shape passageway. The invention adopts a triple waterproof mechanism, is matched with an embedded water retaining structure, and can completely discharge impurities such as water, iron powder and the like out of the machine body by a centrifugal separation principle.
Description
Technical Field
The invention belongs to the technical field of metallurgical steel rolling machinery, and particularly relates to an anti-leakage bearing seat device for a cold roller.
Background
The spray cooling measures for the roller and the rolled strip steel are important means for ensuring the smooth running of the rolling mill and the product quality. In the production process of the cold rolling mill set, emulsion is usually adopted for spraying and cooling, the emulsion washes the surface of the strip steel to take away the rolling heat energy of the mill, the lubricating capability is increased, and the emulsion has good effects of reducing the load of a roller, reducing the thermal deformation of the strip steel and improving the quality of a cold rolling plate. But spray cooling poses a potential threat to water leakage prevention of rolling mill bearings. If roll both ends bearing frame waterproof ability is not enough, inside the coolant liquid of injection will leak the bearing frame, and both ends bearing mainly adopts the thin oil lubrication, if mix moisture content among the bearing lubricating system, because the oil-water mixture can influence the quality of lubricating oil, reduces lubricated effect, aggravates bearing wear to shorten bearing life.
For example, in some cold rolling mill acid rolling combined units, the bearing wear is serious because of the water seepage of the rolling mill support roller bearing seat, the lubrication condition of the bearing is deteriorated, wherein after the bearing balls abrade the inner side of the inner sleeve, scrap iron reflows to the hydraulic system along with the lubricating oil, so that the water content, iron powder and other impurity content in the system are seriously exceeded, the oil quality is deteriorated, the bearing wear is increased in a large area due to the recycling of inferior oil, and the vicious cycle is such that the service life of the bearing is reduced to within 2000 hours and is far away from the working period of 2 ten thousand hours, so that the running failure of the roller is frequent, the operation of the unit is influenced, the normal production organization is disturbed, and the purchasing cost of the bearing is high, which becomes a prominent contradicti.
At present the dual waterproof construction of generally adopting water seal + oil blanket, it has simple structure, make easy advantage, nevertheless to pressure height, the big jet stream of impact force, its prevention of seepage water ability is relatively poor, if rolling mill cooling water from the roll bearing frame infiltration, can reduce bearing lubricating system oil quality, influence the bearing lubrication effect, the internal and external lane wearing and tearing of aggravation bearing ball, the iron powder that the bearing wearing and tearing fell simultaneously diffuses along with lubricating system, form vicious circle, lead to the roll bearing to damage, unit fault shutdown. And the lip with the existing water seal and oil seal double waterproof structure has obvious defects of wear resistance and compensation capability.
Therefore, the novel water seepage prevention device has practical significance for ensuring normal work of the roller, improving the unit operation rate and reducing the bearing purchasing cost.
Disclosure of Invention
The invention aims to provide an anti-leakage bearing seat device for a roller, which adopts a triple waterproof mechanism, is matched with an embedded water retaining structure, effectively discharges impurities such as water, iron powder and the like out of a machine body through a centrifugal separation principle, and has the advantages of exquisite structure, reliable operation and good waterproof effect, thereby achieving the purpose of prolonging the service life of a bearing.
The technical scheme adopted by the invention for solving the technical problems is as follows:
an anti-leakage bearing seat device for a roller comprises a main bearing, a bearing box, a rear end cover and a sealing mechanism; wherein the content of the first and second substances,
the main bearing is fixedly arranged on the roller;
the bearing box is arranged on the periphery of the main bearing;
the rear end cover is arranged on the roller positioned at the outer end of the main bearing and fixedly arranged at the outer end of the bearing box and used for packaging the outer end of the main bearing;
sealing mechanism installs in being located the inner roll journal department of base bearing, sealing mechanism including fixed mounting in the L type transition cover of roll journal department and install in the L type front end housing that falls of L type transition cover periphery, the outer end of L type transition cover and the end face contact of base bearing inner circle, fall L type front end housing fixed mounting in the inner of bearing box, and with the end face contact of base bearing outer lane, be provided with outer water seal between the inner of falling L type front end housing and the roll, form Z shape passageway between falling L type front end housing and the L type transition cover, labyrinth chamber, interior water seal and skeleton oil blanket have set gradually from outer to interior in the Z shape passageway.
According to the technical scheme, the labyrinth cavity is arranged on the vertical channel of the Z-shaped channel and is formed by matching a first groove and a first flange which are in clearance fit, one of the first groove and the first flange is arranged on the L-shaped transition sleeve, and the other one of the first groove and the first flange is arranged on the inverted L-shaped front end cover.
According to the technical scheme, the inner water seal is installed in the annular installation groove on the vertical channel of the Z-shaped channel, the annular installation groove is formed by matching the second groove and the second flange in a clearance fit mode, one of the second groove and the second flange is arranged on the L-shaped transition sleeve, and the other one of the second groove and the second flange is arranged on the inverted L-shaped front end cover.
According to the technical scheme, the inner water seal comprises a double-lip radial sealing ring.
According to the technical scheme, the framework oil seal is installed in the transverse channel of the Z-shaped channel.
According to the technical scheme, the number of the framework oil seals is multiple, and the spacer rings are arranged between the adjacent framework oil seals.
According to the technical scheme, a gland is arranged between the outer end of the inverted L-shaped front end cover and the inner end of the outer ring of the main bearing.
According to the technical scheme, an O-shaped ring is arranged between the inverted L-shaped front end cover and the bearing box.
According to the technical scheme, a double-row tapered roller bearing is arranged between the rear end cover and the roller.
According to the technical scheme, the main bearing comprises four rows of tapered roller bearings.
The invention has the following beneficial effects: because the inner end of the bearing box is influenced by the cooling water sprayed by the rolling mill and is the key part of water penetration resistance, a sealing mechanism is arranged at the inner end of the bearing box, the sealing mechanism adopts a triple waterproof mechanism of an outer water seal, an inner water seal and a framework oil seal and is matched with a labyrinth cavity for embedded water blocking, when the bearing box works, the outermost outer water seal preliminarily blocks water and scrap iron sprayed on a roller, impurities such as water, iron powder and the like entering the labyrinth cavity are thrown out of the machine body under the high-speed rotation of an L-shaped transition sleeve, due to the centrifugal force, the labyrinth cavity also has a filtering effect on the iron powder and other impurities, the inner water seal further blocks the water penetrating the labyrinth cavity, and finally, the framework oil seal completely blocks the roller water outside the bearing box, so that the quality of lubricating oil is ensured, and the service life of the rolling mill bearing is prolonged. The invention has the advantages of exquisite structure, reliable operation and good waterproof effect, and has good effects of reducing the operation faults of the roller, prolonging the service life of the bearing, improving the operation rate of a unit and reducing the purchase cost of spare parts of the bearing.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is an enlarged schematic view at i in fig. 1.
In the figure: the method comprises the following steps of 1-rolling, 2-bearing box, 3-four-row cylindrical roller bearing, 4-rear end cover, 5-double-row tapered roller bearing, 6-L type transition sleeve, 7-inverted L type front end cover, 8-gland, 9-pressure ring, 10-outer water seal, 11-labyrinth cavity, 12-inner water seal, 13-framework oil seal, 14-spacer ring, 15-O-shaped ring and 16-annular mounting groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the preferred embodiment of the present invention, as shown in fig. 1, a leakage-proof bearing housing device for a roll comprises a main bearing (the main bearing comprises a four-row tapered roller bearing 3), a bearing box 2, a rear end cover 4 and a sealing mechanism; wherein the content of the first and second substances,
the main bearing is fixedly arranged on the roller 1;
the bearing box 2 is arranged on the periphery of the main bearing and is a main body for protecting the main bearing;
the rear end cover 4 is arranged on a roller positioned at the outer end of the main bearing, is fixedly arranged at the outer end of the bearing box (fixedly connected with the bearing box through a bolt) and is used for packaging the outer end of the main bearing, wherein a press ring 9 is arranged between the outer end of an inner ring of the main bearing and the rear end cover, and the press ring and the rear end cover jointly act to axially fix the main bearing;
as shown in fig. 2, the sealing mechanism is the core of the present invention, and is installed at the roll journal located at the inner end of the main bearing, and includes an L-shaped transition sleeve 6 fixedly installed at the roll journal and an inverted L-shaped front end cover 7 installed at the periphery of the L-shaped transition sleeve, the L-shaped transition sleeve is fixedly installed on the roll journal through interference fit and rotates with the roll during operation, the outer end of the L-shaped transition sleeve 6 contacts with the end surface of the inner ring of the main bearing, the inverted L-shaped front end cover 7 is fixedly installed at the inner end of the bearing housing 2 and contacts with the end surface of the outer ring of the main bearing, an outer water seal 10 is arranged between the inner end of the inverted L-shaped front end cover 7 and the roll, a Z-shaped channel is formed between the inverted L-shaped transition sleeve 6 and the inverted L-shaped front end cover 7, and a labyrinth cavity 11.
In the preferred embodiment of the present invention, as shown in fig. 2, the labyrinth chamber 11 is disposed on the vertical channel of the Z-shaped channel, and is formed by the first groove and the first flange which are in clearance fit, one of the first groove and the first flange is disposed on the L-shaped transition sleeve, and the other is disposed on the inverted L-shaped front end cover.
In the preferred embodiment of the present invention, as shown in fig. 2, the inner water seal 12 is mounted in an annular mounting groove 16 located on the vertical channel of the Z-shaped channel, the annular mounting groove is formed by the cooperation of a second groove and a second flange which are in clearance fit, one of the second groove and the second flange is arranged on the L-shaped transition sleeve, and the other is arranged on the inverted L-shaped front end cover.
In a preferred embodiment of the present invention, as shown in FIG. 2, the inner water seal 12 comprises a double-lip radial seal ring.
In the preferred embodiment of the present invention, as shown in fig. 2, a plurality of frame oil seals are installed in the transverse channel of the Z-shaped channel, and a spacer ring 14 is installed between adjacent frame oil seals.
In a preferred embodiment of the invention, as shown in fig. 2, a gland 8 is mounted between the outer end of the inverted L-shaped front end cap 7 and the inner end of the outer ring of the main bearing to axially fix the main bearing.
In the preferred embodiment of the present invention, as shown in fig. 2, an O-ring 15 is installed between the inverted L-shaped front end cap 7 and the bearing housing 2 to ensure the sealing performance therebetween.
In the preferred embodiment of the invention, as shown in fig. 1, a double row tapered roller bearing 5 is installed between the rear end cover 4 and the roll 1.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. An anti-leakage bearing seat device for a roller is characterized by comprising a main bearing, a bearing box, a rear end cover and a sealing mechanism; wherein the content of the first and second substances,
the main bearing is fixedly arranged on the roller;
the bearing box is arranged on the periphery of the main bearing;
the rear end cover is arranged on the roller positioned at the outer end of the main bearing and fixedly arranged at the outer end of the bearing box and used for packaging the outer end of the main bearing;
sealing mechanism installs in being located the inner roll journal department of base bearing, sealing mechanism including fixed mounting in the L type transition cover of roll journal department and install in the L type front end housing that falls of L type transition cover periphery, the outer end of L type transition cover and the end face contact of base bearing inner circle, fall L type front end housing fixed mounting in the inner of bearing box, and with the end face contact of base bearing outer lane, be provided with outer water seal between the inner of falling L type front end housing and the roll, form Z shape passageway between falling L type front end housing and the L type transition cover, labyrinth chamber, interior water seal and skeleton oil blanket have set gradually from outer to interior in the Z shape passageway.
2. The anti-leakage chock device for a rolling roll according to claim 1, wherein said labyrinth chamber is provided on a vertical channel of the Z-shaped channel, which is formed by a first groove and a first flange which are in clearance fit, one of said first groove and said first flange is provided on the L-shaped transition sleeve, and the other is provided on the inverted L-shaped front end cover.
3. The anti-leakage chock device for a roll according to claim 1, wherein said inner water seal is mounted in an annular mounting groove located on the vertical channel of the Z-shaped channel, said annular mounting groove is formed by a second groove and a second flange which are in clearance fit, one of said second groove and said second flange is arranged on the L-shaped transition sleeve, and the other is arranged on the inverted L-shaped front end cover.
4. The anti-leakage chock device for a roll according to claim 1 or 3, wherein said inner water seal comprises a double-lip radial seal ring.
5. The anti-leakage chock device for a roll according to claim 1, wherein said skeleton oil seal is mounted in a transverse channel of a Z-channel.
6. The anti-leakage bearing seat device for the roller as claimed in claim 1 or 5, wherein the number of the framework oil seals is multiple, and a spacer ring is arranged between the adjacent framework oil seals.
7. The anti-leakage chock device for a roll according to claim 1, wherein a gland is mounted between the outer end of said inverted L-shaped front end cover and the inner end of the outer ring of the main bearing.
8. The anti-leakage chock device for a roll according to claim 1, wherein an O-ring is installed between said inverted L-shaped front end cover and said bearing housing.
9. The anti-leakage chock device for a roll according to claim 1, wherein a double row tapered roller bearing is installed between said rear end cover and the roll.
10. The leak-proof chock device for a roll according to claim 1, wherein said main bearing comprises four rows of tapered roller bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810540238.1A CN108543812B (en) | 2018-05-30 | 2018-05-30 | Anti-leakage bearing seat device for roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810540238.1A CN108543812B (en) | 2018-05-30 | 2018-05-30 | Anti-leakage bearing seat device for roller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108543812A CN108543812A (en) | 2018-09-18 |
| CN108543812B true CN108543812B (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810540238.1A Active CN108543812B (en) | 2018-05-30 | 2018-05-30 | Anti-leakage bearing seat device for roller |
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| CN (1) | CN108543812B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027013A (en) * | 2018-09-29 | 2018-12-18 | 李军 | A kind of bearing block waterproof sealing structure |
| CN111842499A (en) * | 2020-07-30 | 2020-10-30 | 广东韶钢松山股份有限公司 | Waterproof structure of rolling mill bearing box |
| CN112588831A (en) * | 2020-11-25 | 2021-04-02 | 广西柳州钢铁集团有限公司 | Equal-width rolling roller |
| CN112718871A (en) * | 2020-12-11 | 2021-04-30 | 陕西龙门钢铁有限责任公司 | Rod and wire mill bearing seal assembly |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19628731A1 (en) * | 1996-07-17 | 1998-01-22 | Schloemann Siemag Ag | Sealed roller bearing |
| CN2491649Y (en) * | 2001-06-25 | 2002-05-15 | 上海宝钢益昌薄板有限公司 | Bearing block |
| CN2581747Y (en) * | 2002-10-31 | 2003-10-22 | 宝山钢铁股份有限公司 | Improved structure of full-sealing for roll and bearing |
| CN100341635C (en) * | 2005-09-30 | 2007-10-10 | 太原重型机械集团有限公司 | Sealer with assembled filmatic bearing of press |
| CN2934786Y (en) * | 2006-05-25 | 2007-08-15 | 宝山钢铁股份有限公司 | Rolling mill roller combined seal |
| CN202538836U (en) * | 2011-11-02 | 2012-11-21 | 中材（天津）粉体技术装备有限公司 | Grinding roller sealing structure of vertical roller mill |
| CN102705517B (en) * | 2012-06-07 | 2014-11-05 | 中国重型机械研究院有限公司 | Bearing sealing waterproof structure |
| CN102878207B (en) * | 2012-09-25 | 2016-01-20 | 济钢集团有限公司 | A kind of bearing pedestal seal device of rolling mill roll |
| WO2015057201A1 (en) * | 2013-10-15 | 2015-04-23 | Ellwood National Investment Corp. | Open containment frame for roller compression treatment of rotating shaft products |
| CN203725492U (en) * | 2014-03-31 | 2014-07-23 | 重庆钢铁(集团)有限责任公司 | Rough-intermediate rolling roller mechanism |
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2018
- 2018-05-30 CN CN201810540238.1A patent/CN108543812B/en active Active
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| CN108543812A (en) | 2018-09-18 |
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