CN201129455Y - Rolling engine oil film bearing seal device - Google Patents
Rolling engine oil film bearing seal device Download PDFInfo
- Publication number
- CN201129455Y CN201129455Y CNU2007201443835U CN200720144383U CN201129455Y CN 201129455 Y CN201129455 Y CN 201129455Y CN U2007201443835 U CNU2007201443835 U CN U2007201443835U CN 200720144383 U CN200720144383 U CN 200720144383U CN 201129455 Y CN201129455 Y CN 201129455Y
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Abstract
Disclosed is a sealing device of rolling mill oil film bearing, which comprises a sealing component (1), a sealing steel band (2), a water seal limb (3), a buffering ring (4), a rubber rivet (5), a water seal (6), a sealing baffle (7), a return groove (9), a roller (10), an oil film bearing taper sleeve (11), an oil film bearing bushing (12), an oil thrower limb (13), an oil seal limb (14), a bearing seat casing (15) and a sealing baffle flange (16). The sealing device is characterized in that a water return orifice (17) is arranged on the side of the water seal of the sealing baffle flange (16), and an oil return orifice (18) is arranged on the side of the oil seal of the sealing baffle flange. By arranging the sealing baffle flange with the water return orifice and the oil return orifice, problems of oil leakage and water leakage of the rolling mill oil film bearing are effectively resolved, thereby increasing product quality and penetrating capacity, simultaneously, reducing crude consumption of rolling oil, and decreasing assembly shutdown fault caused by oil leakage. The sealing device of rolling mill oil film bearing is applied to the technical field of cold rolling mill oil film bearings sealing.
Description
Technical field
The utility model belongs to the technical field of sealing technology of piston, cylinder, general pressurized container, is specifically related to the film bearing seal device of machinery.
Background technique
The sealing system of filmatic bearing is the critical component of filmatic bearing, and it has two aspect effects: prevent that on the one hand the lubricant oil in the bearing cavity from leaking, make lubricant oil return pumping plant from casing, keep forming oil film continuously; Prevent from the other hand to keep the normal operation of bearing in extraneous cooling water, ROLLING OIL (emulsified liquid) and iron filings, the dust and other impurities infiltration bearing cavity.If seal failure can cause external impurities to be invaded, make lubricant pollution aging, reduce the filmatic bearing life-span; Also can cause oil leak in the cavity, not only cause the consumption waste of big gauging, and fluid can throw away along the tangent direction of roll rotation, splash to the steel band, the surface of steel plate that roll out, pollute, increase the annealing difficulty, influence the steel strip surface quality.Thereby, improve the sealing configuration of filmatic bearing, the performance and the life-span of improving Sealing are one of important topics of development filmatic bearing sealing technique.
The DF sealing, claim the sealing of the 4th generation again, be the filmatic bearing sealing means that generally uses at present, old-fashioned DF sealing configuration as shown in Figure 1, mainly by black box 1, sealing steel band 2, water sealing limb 3, buffering ring 4, rubber rivet 5, water seal 6, sealing baffle 7, O RunddichtringO 8, oil-return groove 9, roll 10, oil film bearing conic sleeve 11, filmatic bearing lining 12, get rid of oily limb 13, seal oil limb 14, bearing support casing 15 and sealing baffle flange 16 and form.
At present, the DF sealing baffle characteristics that cold rolling mill adopts are that the water sealing limb of sealing baffle flange one side and DF sealing is formed the seal water-sealing chamber, is mainly used in to prevent that outside water from entering Seal cage; The seal oil limb of the opposite side of sealing baffle flange and DF sealing is formed the oil sealing Seal cage, is mainly used in the oil that prevents from the lining tapered sleeve sputters and enters Seal cage.
Liquid level makes the profit mixing finally to cause water to enter oil return system that oil is to the problem of external leakage above the sealing baffle flange after DF sealing water inlet leakage of oil but the sealing baffle that adopts this structure can't solve.
The significantly leakage of oil of filmatic bearing system, water inlet, not only influence the control of goods, materials and equipments cost, and lubricant oil enters emulsion system reduction emulsified liquid using character, influence the logical plate ability of quality of product and milling train, cause the loss per ton steel of ROLLING OIL to rise simultaneously, water inlet causes hydrostatic pumps to damage frequently in addition, and system oil-way is unusual, problems such as the filmatic bearing variation in pressure is big perplex the ordinary production of unit always, have restricted the performance of unit production capacity.
The model utility content
At the characteristics of the currently used filmatic bearing DF of cold rolling mill sealing system and the deficiency of existence, the inventor improves the DF seal component architecture, solve cold rolling mill filmatic bearing leakage of oil water inlet effectively, avoided reducing the emulsified liquid using character behind the emulsion system because of lubricant oil enters, influence the logical plate ability of quality of product and milling train, cause the loss per ton steel of ROLLING OIL to rise, it is frequent that water inlet causes hydrostatic pumps to damage, system's oil product is unusual, simultaneously also solve the ordinary production that the big grade of filmatic bearing variation in pressure perplexs unit always, restricted the problem of the performance of unit production capacity.
The utility model provides a kind of filmatic bearing of press seal arrangement, is made of water seal arrangement and oil-sealing arrangement, it is characterized in that:
Described water seal arrangement is installed in the sealing baffle top of bearing support casing end face, forms water-sealed component with water sealing limb, rubber rivet, buffering ring and water seal;
Described oil-sealing arrangement device is between roll, oil film bearing conic sleeve, filmatic bearing lining and bearing support casing, with oil-return groove, get rid of oily limb and seal oil limb and form Oil sealing assembly;
Water seal side at the sealing baffle flange is provided with backwater hole, in the oil sealing side of sealing baffle flange spill port is set.
Described backwater hole is a clear opening, and described spill port is 90 ° of through holes.
Described backwater hole and spill port quantity are 2～8.
Described water-sealed component is fixed in roll and sealing baffle flange one side, and the water shutoff assembly of sealing and sealing baffle flange one side are formed the water shutoff closed chamber.
Described oil sealing assembly is fixed in the opposite side of roll and sealing baffle flange, and the opposite side of the oil sealing assembly sealing baffle flange of sealing is formed the oil sealing closed chamber.
Filmatic bearing of press seal arrangement of the present utility model has following beneficial effect:
1. efficiently solve cold rolling mill filmatic bearing leakage of oil water inlet problem, filmatic bearing water inlet leakage of oil problem is declined to a great extent, the leakage of oil amount descends about 50%.
2. improve the logical plate ability of quality of product and milling train, reduced the loss per ton steel of ROLLING OIL.
3. reduce the compressor emergency shutdown fault that leakage of oil causes, discharged the unit production capacity.
Description of drawings
Fig. 1 is the DF schematic diagram of sealing device under the prior art;
Fig. 2 is the utility model structural representation.
Among the figure, 1-black box, 2-sealing steel band, 3-water sealing limb, 4-buffering ring, 5-rubber rivet, 6-water seal, 7-sealing baffle 7,8-O RunddichtringO, 9-oil-return groove, 10-roll, 11-oil film bearing conic sleeve, 12-filmatic bearing lining, 13-get rid of oily limb, 14-seal oil limb, 15-bearing support casing, 16 sealing baffle flanges, 17-backwater hole, 18-spill port.
Embodiment
Specific descriptions below by this device illustrate the mode of executing in fact:
A kind of filmatic bearing of press seal arrangement as shown in Figure 2, by black box 1, sealing steel band 2, water sealing limb 3, buffering ring 4, rubber rivet 5, water seal 6, sealing baffle 7, oil-return groove 9, roll 10, oil film bearing conic sleeve 11, filmatic bearing lining 12, get rid of oily limb 13, seal oil limb 14, bearing support casing 15, sealing baffle flange 16, backwater hole 17 and spill port 18 and formed.
Wherein, sealing steel band 2 is enclosed within the waist of journal packing, and effect is to prevent the change of the centrifugal force of axle journal under the high speed rotating effect to its shape and size.
Spray the aluminium oxide ceramics of corrosion resistance and good on the surface of contact of sealing baffle 7 and Oil sealing assembly, prolonged the working life of sealing baffle, reduced frictional loss.Baffle inner surface has been processed clothoid, and during the roll high speed rotating, helix produces and refluxes, and forms pump-absorb action.
Water seal arrangement is installed in sealing baffle 7 tops of bearing support casing 15 end faces; form water-sealed component with water sealing limb 3, rubber rivet 4, buffering ring 5 and water seal 6; water seal arrangement can prevent the filling of dashing of freezing mixture; make most of freezing mixture avoid the water shutoff side of journal packing circle; lip to sealing has protective action; water-sealed component is fixed in roll and sealing baffle flange 16 1 sides, and the water shutoff assembly of sealing and sealing baffle flange one side are formed the water shutoff closed chamber.
The oil-sealing arrangement device is between roll 10, oil film bearing conic sleeve 11, filmatic bearing lining 12 and bearing support casing 15; with oil-return groove 9, get rid of oily limb 13 and seal oil limb 14 and form Oil sealing assemblies; get rid of oily limb and blocked a large amount of fluid that sputter from bearing working face; and fluid thrown away to the direction away from the oil sealing lip; the oil sealing lip is played the effect of " umbrella "; Oil sealing assembly is fixed in the opposite side of sealing baffle flange 16, and the oil sealing assembly of sealing and the opposite side of sealing baffle flange are formed the oil sealing closed chamber.
Water seal arrangement is mainly used in and prevents that outside water from entering closed chamber during work, and oil-sealing arrangement is mainly used in the oil that prevents from the lining tapered sleeve sputters and enters closed chamber.Be provided with the backwater hole 17 and the spill port 18 of a fixed structure, some in addition on sealing baffle 7, part water or the oil content so just having guaranteed to leak in the closed chamber are not discharged to outside and drainback passage.Wherein backwater hole is a clear opening, and 2～8 of quantity if water enters Seal cage by the sealing water sealing limb, then are discharged into the outside by backwater hole; Spill port is 90 ° of through holes, 2～8 of quantity, if oil enters Seal cage by the sealing seal oil limb, then logical spill port is discharged in the oil-return groove.
According to filmatic bearing of press seal arrangement of the present utility model, can effectively solve cold rolling mill filmatic bearing leakage of oil water inlet problem, filmatic bearing water inlet leakage of oil problem is declined to a great extent, the leakage of oil amount descends about 50%.Improve the quality of products and the logical plate ability of milling train, reduced the loss per ton steel of ROLLING OIL.Reduce the compressor emergency shutdown fault that leakage of oil causes, discharged the unit production capacity.
The utility model can be widely used in the filmatic bearing technical field of sealing technology of various cold rolling mills.
Claims (5)
1. a filmatic bearing of press seal arrangement is made of water seal arrangement and oil-sealing arrangement, it is characterized in that:
Described water seal arrangement is installed in sealing baffle (7) top of bearing support casing (15) end face, forms water-sealed component with water sealing limb (3), rubber rivet (4), buffering ring (5) and water seal (6);
Described oil-sealing arrangement device is positioned between roll (10), oil film bearing conic sleeve (11), filmatic bearing lining (12) and the bearing support casing (15), with oil-return groove (9), get rid of oily limb (13) and seal oil limb (14) and form Oil sealing assembly;
Water seal side at sealing baffle flange (16) is provided with backwater hole (17), in the oil sealing side of sealing baffle flange spill port (18) is set.
2. filmatic bearing of press seal arrangement as claimed in claim 1 is characterized in that: described backwater hole (17) is a clear opening, and described spill port (18) is 90 ° of through holes.
3. filmatic bearing of press seal arrangement as claimed in claim 2 is characterized in that: described backwater hole (17) and spill port (18) quantity are 2～8.
4. filmatic bearing of press seal arrangement as claimed in claim 1 is characterized in that: described water-sealed component is fixed in roll (10) and sealing baffle flange (16) one sides, and the water shutoff assembly of sealing and sealing baffle flange one side are formed the water shutoff closed chamber.
5. filmatic bearing of press seal arrangement as claimed in claim 1 is characterized in that: described oil sealing assembly is fixed in the opposite side of roll (10) and sealing baffle flange (16), and the opposite side of the oil sealing assembly sealing baffle flange of sealing is formed the oil sealing closed chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201443835U CN201129455Y (en) | 2007-12-20 | 2007-12-20 | Rolling engine oil film bearing seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201443835U CN201129455Y (en) | 2007-12-20 | 2007-12-20 | Rolling engine oil film bearing seal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201129455Y true CN201129455Y (en) | 2008-10-08 |
Family
ID=40017300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201443835U Expired - Fee Related CN201129455Y (en) | 2007-12-20 | 2007-12-20 | Rolling engine oil film bearing seal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201129455Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101912884A (en) * | 2010-07-15 | 2010-12-15 | 南京钢铁股份有限公司 | Device for preventing short stress vertical roller mill and stand housing from being stuck by rolled foreign objects |
| CN102494138A (en) * | 2011-12-15 | 2012-06-13 | 太原重工股份有限公司 | Roll neck sealing device of oil film bearing |
| CN102821883A (en) * | 2010-06-08 | 2012-12-12 | 西门子工业公司 | Venturi drain for self-pumping bearing rolling mills |
| CN105221581A (en) * | 2015-10-30 | 2016-01-06 | 四川玛瑞焊业发展有限公司 | The film bearing seal device of self-inspection can be carried out |
| CN105299235A (en) * | 2015-10-30 | 2016-02-03 | 四川玛瑞焊业发展有限公司 | Oil film bearing sealing part |
| CN105526359A (en) * | 2016-01-30 | 2016-04-27 | 中国有色（沈阳）冶金机械有限公司 | Oil film bearing roll neck seal |
| CN108607882A (en) * | 2016-12-12 | 2018-10-02 | 上海梅山钢铁股份有限公司 | The control device and control method that the anti-rolling liquid of UC rolling mill roll bearings enters |
-
2007
- 2007-12-20 CN CNU2007201443835U patent/CN201129455Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102821883A (en) * | 2010-06-08 | 2012-12-12 | 西门子工业公司 | Venturi drain for self-pumping bearing rolling mills |
| CN102821883B (en) * | 2010-06-08 | 2014-12-31 | 西门子工业公司 | Venturi drain for self-pumping bearing rolling mills |
| CN101912884A (en) * | 2010-07-15 | 2010-12-15 | 南京钢铁股份有限公司 | Device for preventing short stress vertical roller mill and stand housing from being stuck by rolled foreign objects |
| CN102494138A (en) * | 2011-12-15 | 2012-06-13 | 太原重工股份有限公司 | Roll neck sealing device of oil film bearing |
| CN102494138B (en) * | 2011-12-15 | 2014-06-18 | 太原重工股份有限公司 | Roll neck sealing device of oil film bearing |
| CN105221581A (en) * | 2015-10-30 | 2016-01-06 | 四川玛瑞焊业发展有限公司 | The film bearing seal device of self-inspection can be carried out |
| CN105299235A (en) * | 2015-10-30 | 2016-02-03 | 四川玛瑞焊业发展有限公司 | Oil film bearing sealing part |
| CN105526359A (en) * | 2016-01-30 | 2016-04-27 | 中国有色（沈阳）冶金机械有限公司 | Oil film bearing roll neck seal |
| CN105526359B (en) * | 2016-01-30 | 2017-06-16 | 中国有色（沈阳）冶金机械有限公司 | A kind of oil film bearing roller neck sealing |
| CN108607882A (en) * | 2016-12-12 | 2018-10-02 | 上海梅山钢铁股份有限公司 | The control device and control method that the anti-rolling liquid of UC rolling mill roll bearings enters |
| CN108607882B (en) * | 2016-12-12 | 2019-12-17 | 上海梅山钢铁股份有限公司 | Control device and control method for preventing rolling liquid from entering rolling bearing of UC rolling mill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081008 Termination date: 20151220 |
|
| EXPY | Termination of patent right or utility model |