CN108757949A - The combination assembled sealing structure of rolling mill roll bearing concora crush - Google Patents
The combination assembled sealing structure of rolling mill roll bearing concora crush Download PDFInfo
- Publication number
- CN108757949A CN108757949A CN201810909266.6A CN201810909266A CN108757949A CN 108757949 A CN108757949 A CN 108757949A CN 201810909266 A CN201810909266 A CN 201810909266A CN 108757949 A CN108757949 A CN 108757949A
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- Prior art keywords
- bearing
- sealing
- roll
- upper roller
- sealing ring
- Prior art date
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- 238000007789 sealing Methods 0.000 title claims abstract description 117
- 238000005096 rolling process Methods 0.000 title claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 241001531957 Opsariichthys uncirostris Species 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000013011 mating Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000011900 installation process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000003801 milling Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003305 oil spill Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- F16J15/44—Free-space packings
- F16J15/447—Labyrinth packings
-
- 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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
-
- 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
-
- 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
- F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The present invention relates to a kind of combination assembled sealing structures of rolling mill roll bearing concora crush, including upper roller and lower roll, upper roller and lower roll respectively include driving end and operating side, sealing ring is equipped between bearing and the upper roller of maximum gauge section, sealing ring one end and bearing touch, the other end is contacted with the side of the maximum gauge section of upper roller, has bolt, sealing ring to be bolted in support ring on sealing ring；It is that labyrinth type waterproof adds double skeleton encircling type oil sealings to change the original sealing structure of original, is replaced by flat-crushing type sealing, since tens of tons of roll and several tons of heavy bearings mutually collide when solving installation, damages the precision problem of bearing seal precision and roll mating surface.
Description
Technical field
The present invention relates to large-sized rolling mills roll bearings used in accurate Plate Production, are specifically related to rolling mill roll bearing concora crush
Combination assembled sealing structure assembles flat-crushing type flexible sealing using one, substitutes the anti-of original rigid encircling type rolling mill roll
Watertight construction.
Background technology
It needs to carry out repeat-rolling, the precision height and weight of product on milling train to blank strip in accurate Plate Production
Weight is all the hard-to-get commodity of modern science and technology demand, and this milling train needs to bear kiloton impact force, belongs to large-scale important equipment, roll
Machine is set as two sets of backing rolls, i.e. top backing up roll and lower support roll up and down.Upper and lower backing roll one end is transmission side, and the other end is
Fore side.Upper and lower backing roll both ends are mounted on by bearing in bearing block, and bearing block is mounted on body.Bearing connects with roll
Contravention is that bearing seal significant points are also to be easiest to damage end.Through in a few years conscientiously investigate and to damage bearing analysis,
Bearing damage 100% is all to finally result in bearing damage, last rolls damage because the sealing close to roll end first damages.
The reason is that in the prior art, sealing structure is that labyrinth type waterproof adds double outside framework oil seals, back-to-back to encircle installation, or
Person encircles installation face-to-face, and an outside framework oil seal enters for waterproof, another prevents oil spill from going out；In this two parts rigid seal
Diameter precision is very high, is matched with the seal outer diameter at roll end, roll sealing element be casting surface roughness be not achieved it is close
The precision of steel skeleton is sealed, seal inner diameter is damaged soon at work, and seal request is not achieved.In addition above-mentioned sealing structure, steel
Position is hidden in inside bearing block and labyrinth waterproof sealing after outside framework oil seal installation, can't see steel skeleton oil sealing in installation process
State, several tons of even tens of tons of rolls during the installation process, influence due to hitting, the high-precision of sealing are made to be destroyed,
After installation is complete, it can't see and can not check whether two oil sealings are intact, if two steel skeleton oil sealings damage during the installation process
It one or damages two simultaneously, can cause that oil spill goes out or water enters Bearing inner, so that bearing is operated under no oil film state, easily
Bearing damage is caused, bearing online locking in use is caused when serious.
Meanwhile bearing is pressed to center using gravity by existing milling train respectively along the both ends of backing roll when mounted,
In the sealing structure mating surface contact process of bearing seal structure and backing roll, precision is seriously destroyed, and because existing
The rigid structure hardness of sealing is big, and rigid seal is also changed by installation shock surface precision, and position changes, sometimes
It telescopes and is destroyed, to seriously affect sealing operational effect；
Moreover, because steel plate required precision is high, rolling mill roll must be replaced on time, and the replacement cycle is support roller 10-15 days；It is intermediate
Roller 2-3 days；Working roll 4-8 hours.Such replacement frequency so that the probability of steel skeleton bad seals is with regard to higher.Sealing damage
Bad bearing just damages at once, of high cost due to bearing, and maintenance of equipment expense is caused to greatly improve, and then increases steel plate rolling
Production cost；Therefore, steel mill is badly in need of developing the seal form for the Mill that can be solved the above problems, and is this field production
The most important thing of product production.
Invention content
In order to solve the above technical problem, the present invention provides a kind of combination assembled sealing knots of rolling mill roll bearing concora crush
Structure overturns the labyrinth seal structure continued to use always, and labyrinth type waterproof construction in existing bearing seal technology is removed from bearing
Out, it uses flexible sealing instead, a set of waterproof sealing lip device is directly installed on roll sealing structure end, then concora crush is in bearing
On outer diameter, end face, the precision of bearing outside diameter can reach sealing roughness requirements, ensure airtight quality.It can also ensure in this way
Sealing device is exposed to bearing end and roll end junction, and the state of sealing can be intuitively seen in installation process and after installation,
It prevents external water from entering in bearing to preferably solving entire backing roll, and prevents what the grease in bearing from overflowing to ask
Topic substitutes an original waterproof and enters, two nested structures of a grease proofing exudation.Improve the working efficiency of milling train.Extending bearing makes
With the service life, since sealing lip is flexible material, so 75-80 can be become by 45 degree of original angles by being pressed into bearing face
Degree, there is better seal effect.
To achieve the goals above, the technical solution adopted in the present invention is：Rolling mill roll bearing concora crush is combination assembled
Sealing structure, including upper roller and lower roll, upper roller and lower roll respectively include driving end and operating side, and the upper roller interlude diameter is most
Greatly, it is equipped with driving end top chock in center maximum gauge section side, bearing is installed in driving end top chock, bearing is close to upper
Inner end cap is arranged in roller roll surface side, sealing ring is equipped between bearing and the upper roller of maximum gauge section, sealing ring one end connects with bearing
It touches, the other end is contacted with the side of the maximum gauge section of upper roller, there is bolt on sealing ring, and sealing ring, which is bolted, to be supported
On ring；It is equipped with operating side top chock in the center maximum gauge section other side, bearing, Bearing support are installed in the top chock of operating side
Inner end cap is arranged in nearly upper roller roll surface side, and sealing ring, sealing ring one end and axis are equipped between bearing and the upper roller of maximum gauge section
It accepts and touches, the other end is contacted with the side of the maximum gauge section of upper roller, has bolt, sealing ring to be bolted on sealing ring
In support ring；
Further, the sealing ring is fabricated structure；
The sealing ring includes " W " type sealing ring and a profile seal lip rubber ring, is made after bearing block installation special-shaped close
Envelope lip rubber ring is pressed on " W " type sealing ring；
The profile seal lip rubber ring includes four lips, and a lip is towards inside roll bearing in four lips；In addition
Three lips form hollow runner towards inside roll between three lips, as hollow runner is passed through in the deformation of lip, water when press fitting
Outflow forms the lip of the hollow runner angle after bearing group loads pressure and changes, 75-80 degree is reached after press fitting.
Described plays the role of sealing bearing towards the lip inside roll bearing, prevents the lubricating oil of bearing from outflowing；Institute
The other three stated plays waterproof action first towards the lip inside roll, that is, external water is prevented to enter bearing；Next is played
Fluviation, that is, if into water, water is flowed out with hollow runner.After bearing group loads pressure, sealing lip angle flexible by
It is acted in pressure, angle changes.By original 45 degree, 75-80 degree can be changed to, sealing can be more advantageous in this way and made
With.
Further, the W types sealing ring is the structure that intermediate formation two is in 35 degree of angles；
The structure at described two 35 degree of angles forms two rhones, when water outside roll into fashionable, passing through two rhones will
Water discharges, it is possible to reduce the water of profile seal lip rubber ring position, in case external water enters Bearing inner；
The angle of two rhones does not change, by that will roll plate mistake under the action of centrifugal force when effect is rotation
Cooling water in journey is thrown out, and Bearing inner cannot be entered.
Close to sealing lip is arranged between roll crown position and W type sealing rings, the effect of sealing lip is to prevent water along roller
Bearing inner is penetrated into neck position.
Further, it is additionally provided with " L " type water-blocking groove in the inner end cap of roll driving end and operation end bearing,
" L " type water-blocking groove is contacted with inner end cap on one side, and the profile seal lip rubber ring of another side and sealing ring is close to W type sealing rings direction
End thereof contacts, this structure design makes water not pour profile seal lip rubber ring position directly；
Driving end upper roller end cap is equipped with outside driving end top chock, upper roller end cap is bolted in driving end top chock
On, bearing a is additionally provided in upper roller end cap, the position of roll where bearing and the position of roll where bearing a form the ladder shaft shoulder,
Bearing a, which is arranged between shaft shoulder position, bearing a and the shaft shoulder, is equipped with gap, and baffle ring is equipped in gap；Outside the top chock of operating side
Equipped with operating side upper roller end cap, upper roller end cap is bolted on the top chock of operating side, and axis is additionally provided in upper roller end cap
B is held, the position of the position of roll where bearing and roll where bearing a forms the ladder shaft shoulder, and bearing b settings are arranged in shaft shoulder position
It sets, gap is equipped between bearing b and the shaft shoulder, baffle ring is equipped in gap；
It is mirror image between the upper roller and lower roll.
It is using advantageous effect caused by above-mentioned technical proposal：It is that labyrinth type waterproof adds to change the original sealing structure of original
Double skeleton encircling type oil sealings are replaced by flat-crushing type sealing, due to tens of tons of roll and several tons of heavy axis when solving installation
Mutual collision is held, the precision problem of bearing seal precision and roll mating surface is damaged；It, can be recessed because of triangle waterproof construction
Dot makes water be excluded along water channel at drainage, at the same using this knockdown sealing structure preferably prevent external water into
Enter Bearing inner, while the triangle sealing structure of Bearing inner can prevent the spilling of Bearing inner oil；Moreover this sealing
It is flexible material, sealed precision is not interfered with by installation impact.It is in close contact, makes close with high-precision bearing face and outer diameter
Envelope quality is reliably ensured.In addition, this sealing structure is to make sealing relative to the difference of original labyrinth type waterproof construction
Position is exposed to visual range, and sealing state can be intuitively monitored in installation process and after installation, find in time damage can and
Shi Weixiu, will not be caused by sealing damage cause bearing in use online locking the problem of, prevented to be sealed in installation
Quality impairment in the process.The working efficiency of entire milling train is improved, job costs are reduced.
Description of the drawings
Fig. 1 is the upper roller structure chart of the present invention.
Fig. 2 is the lower roll structure chart of the present invention.
Fig. 3 is the seal ring structure figure of roll of the present invention.
Fig. 4 is the partial enlarged view of Fig. 3.
Fig. 5 is the partial enlarged view of the deformation of Fig. 3.
Fig. 6 is the stereogram of sealing ring of the present invention.
In figure, 1, driving end top chock, 2, operating side top chock, 3, driving end upper roller end cap, 11, driving end lower roll
End cap, 12, baffle ring, 26, roll, 27, support ring, 28, sealing ring, 29, inner end cap, 30, operating side bottom end cover, 34, operating side
Upper roller end cap, 35, operating side baffle ring, 36, bearing, 37, bolt, 38, W types sealing ring, 39, profile seal lip rubber ring, a, axis
Hold a, b, bearing b, 40, towards the lip inside roll bearing, 41, close to the lip between roll crown position and W type sealing rings.
Specific implementation mode
Below according to Figure of description, the present invention is described in detail.
The combination assembled sealing structure of rolling mill roll bearing concora crush, including upper roller and lower roll, upper roller and lower roll respectively include
Driving end and operating side, the upper roller interlude diameter is maximum, and driving end top chock is equipped in center maximum gauge section side
1, driving end top chock 1 is interior to install bearing 36, and inner end cap 29, bearing 36 and maximum is arranged close to upper roller roll surface side in bearing 36
Sealing ring 28 is equipped between the upper roller of diameter segment, 28 one end of sealing ring is contacted with bearing 36, the maximum gauge of the other end and upper roller
The side of section contacts, and has bolt 37, sealing ring 28 to be connected in support ring 27 by bolt 37 on sealing ring 28；In center maximum
The diameter segment other side is equipped with operating side top chock 2, installs bearing 36 in operating side top chock 2, bearing 36 is close to upper roller roller
Inner end cap 29 is arranged in face side, and sealing ring 28,28 one end of sealing ring and axis are equipped between bearing 36 and the upper roller of maximum gauge section
36 contacts are held, the other end is contacted with the side of the maximum gauge section of upper roller, has bolt 37, sealing ring 28 to pass through spiral shell on sealing ring 28
Bolt 37 is connected in support ring 27；
Further, the sealing ring 28 is fabricated structure；
The sealing ring 28 includes " W " type sealing ring 38 and a profile seal lip rubber ring 39, is made after bearing block installation
Profile seal lip rubber ring 39 is pressed on " W " type sealing ring 38；
The profile seal lip rubber ring 39 includes four lips, and a lip 40 is towards inside roll bearing in four lips；
The other three lip forms hollow runner towards inside roll between three lips, with the deformation of lip when press fitting, water is by hollow
Runner flows out, and forms the lip of the hollow runner angle after bearing group loads pressure and changes, 75-80 degree is reached after press fitting.
Described plays the role of sealing bearing towards the lip 40 inside roll bearing, prevents the lubricating oil of bearing from outflowing；
The other three plays waterproof action first towards the lip inside roll, that is, external water is prevented to enter bearing；Secondly it rises
To fluviation, that is, if into water, water is flowed out with hollow runner.After bearing group loads pressure, sealing lip angle flexible
Since pressure acts on, angle changes.By original 45 degree, 75-80 degree can be changed to, sealing can be more advantageous in this way and made
With.
Further, it is in 35 degree of angles that the W types sealing ring 38, which is intermediate formation two,；
The structure at described two 35 degree of angles forms two rhones, when water outside roll into fashionable, passing through two rhones will
Water discharges, it is possible to reduce the water of profile seal lip rubber ring position, in case external water enters Bearing inner；
The angle of two rhones does not change, by that will roll plate mistake under the action of centrifugal force when effect is rotation
Cooling water in journey is thrown out, and Bearing inner cannot be entered.
Further, it is additionally provided with " L " type water-blocking groove in the inner end cap 29 of roll driving end and operation end bearing,
" L " type water-blocking groove is contacted with inner end cap 29 on one side, and the profile seal lip rubber ring 39 of another side and sealing ring is close to W type sealing rings
The end thereof contacts in direction, this structure design make water not pour profile seal lip rubber ring position directly；
1 outside of driving end top chock is equipped with driving end upper roller end cap 3, and the axis on driving end is bolted in upper roller end cap 3
In bearing 1, bearing a is additionally provided in upper roller end cap 3, the position and the position of roll where bearing a of 36 place roll of bearing are formed
The ladder shaft shoulder, bearing a, which is arranged between shaft shoulder position, bearing a and the shaft shoulder, is equipped with gap, and baffle ring 12 is equipped in gap；Operating side
2 outside of top chock is equipped with operating side upper roller end cap 34, and upper roller end cap 34 is bolted on operating side top chock 2,
Bearing b is additionally provided in upper roller end cap 34, the position of 36 place roll of bearing forms multi-diameter shaft with the position of roll where bearing a
Shoulder, bearing b, which is arranged between shaft shoulder position, bearing b and the shaft shoulder, is equipped with gap, and baffle ring 35 is equipped in gap.
Claims (10)
1. the combination assembled sealing structure of rolling mill roll bearing concora crush, which is characterized in that including：Upper roller and lower roll, upper roller is under
Roller respectively includes driving end and operating side, and the upper roller interlude diameter is maximum, and transmission is equipped in center maximum gauge section side
End top chock, driving end top chock is interior to install bearing, and inner end cap, bearing and maximum is arranged close to upper roller roll surface side in bearing
Sealing ring, sealing ring one end and bearing touch, the side of the maximum gauge section of the other end and upper roller are equipped between the upper roller of diameter segment
Face contacts, and has bolt, sealing ring to be bolted in support ring on sealing ring；It is equipped in the center maximum gauge section other side
Operating side top chock, installs bearing in the top chock of operating side, and inner end cap is arranged close to upper roller roll surface side in bearing, bearing with
Sealing ring, sealing ring one end and bearing touch, the maximum gauge section of the other end and upper roller are equipped between the upper roller of maximum gauge section
Side contact, there is bolt, sealing ring to be bolted in support ring on sealing ring.
2. the combination assembled sealing structure of rolling mill roll bearing concora crush according to claim 1, it is characterised in that described
Sealing ring is fabricated structure.
3. the combination assembled sealing structure of rolling mill roll bearing concora crush according to claim 1 or 2, it is characterised in that described
Sealing ring includes " W " type sealing ring and a profile seal lip rubber ring, makes profile seal lip rubber after bearing block installation
Circle is pressed on " W " type sealing ring.
4. the combination assembled sealing structure of rolling mill roll bearing concora crush according to claim 3, it is characterised in that described
Profile seal lip rubber ring includes four lips, and a lip is towards inside roll bearing in four lips；The other three lip direction
Inside roll, and hollow runner is formed between three lips, as the deformation of lip, water are flowed out by hollow runner when press fitting, formed
The lip of hollow runner angle after bearing group loads pressure changes, and 75-80 degree is reached after press fitting.
5. the combination assembled sealing structure of rolling mill roll bearing concora crush according to claim 3, it is characterised in that " W "
Two structures in 35 degree of angles are formed among type sealing ring.
6. the combination assembled sealing structure of rolling mill roll bearing concora crush according to claim 5, it is characterised in that described two
The structure at a 35 degree of angles is respectively formed two rhones, when water outside roll into fashionable, water is discharged by two rhones
It goes.
7. according to the combination assembled sealing structure of claim 3 rolling mill roll bearing concora crush, which is characterized in that close to roll crown position
Setting the sealing lip being arranged between W type sealing rings prevents water from penetrating into Bearing inner along roller neck position.
8. the combination assembled sealing structure of rolling mill roll bearing concora crush according to claim 1-6 any one, feature
Be to be additionally provided with " L " type water-blocking groove in the inner end cap of roll driving end and operation end bearing, " L " type water-blocking groove on one side with
Inner end cap contacts, and the profile seal lip rubber ring of another side and sealing ring is close to the end thereof contacts in W type sealing rings direction, this knot
Structure design makes water not pour profile seal lip rubber ring position directly.
9. the combination assembled sealing structure of rolling mill roll bearing concora crush according to claim 1, it is characterised in that described
It is mirror image between upper roller and lower roll.
10. the combination assembled sealing structure of rolling mill roll bearing concora crush according to claim 1, it is characterised in that sealing side
Formula is flat-crushing type flexible sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810909266.6A CN108757949B (en) | 2018-08-10 | 2018-08-10 | Flat-pressing combined assembled sealing structure of rolling mill roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810909266.6A CN108757949B (en) | 2018-08-10 | 2018-08-10 | Flat-pressing combined assembled sealing structure of rolling mill roller bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108757949A true CN108757949A (en) | 2018-11-06 |
| CN108757949B CN108757949B (en) | 2024-07-02 |
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ID=63969526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810909266.6A Active CN108757949B (en) | 2018-08-10 | 2018-08-10 | Flat-pressing combined assembled sealing structure of rolling mill roller bearing |
Country Status (1)
| Country | Link |
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| CN (1) | CN108757949B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001248735A (en) * | 2000-03-03 | 2001-09-14 | Hitachi Constr Mach Co Ltd | Floating seal and reduction gear provided with it |
| JP2007205536A (en) * | 2006-02-06 | 2007-08-16 | Nsk Ltd | Split bearing |
| CN201162827Y (en) * | 2008-03-20 | 2008-12-10 | 上海亿富特钢铁技术有限公司 | Split type embedded special-shaped bush fitting |
| CN204187009U (en) * | 2014-09-25 | 2015-03-04 | 四川煤田地质局一四一机械厂 | Three-high mill sealing configuration |
| CN108326080A (en) * | 2018-04-20 | 2018-07-27 | 襄阳振本传动设备有限公司 | A kind of aligning roller assembly |
| CN208719360U (en) * | 2018-08-10 | 2019-04-09 | 瓦房店爱国轴承研究院有限公司 | A kind of combination assembled sealing structure of rolling mill roll bearing concora crush |
-
2018
- 2018-08-10 CN CN201810909266.6A patent/CN108757949B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001248735A (en) * | 2000-03-03 | 2001-09-14 | Hitachi Constr Mach Co Ltd | Floating seal and reduction gear provided with it |
| JP2007205536A (en) * | 2006-02-06 | 2007-08-16 | Nsk Ltd | Split bearing |
| CN201162827Y (en) * | 2008-03-20 | 2008-12-10 | 上海亿富特钢铁技术有限公司 | Split type embedded special-shaped bush fitting |
| CN204187009U (en) * | 2014-09-25 | 2015-03-04 | 四川煤田地质局一四一机械厂 | Three-high mill sealing configuration |
| CN108326080A (en) * | 2018-04-20 | 2018-07-27 | 襄阳振本传动设备有限公司 | A kind of aligning roller assembly |
| CN208719360U (en) * | 2018-08-10 | 2019-04-09 | 瓦房店爱国轴承研究院有限公司 | A kind of combination assembled sealing structure of rolling mill roll bearing concora crush |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108757949B (en) | 2024-07-02 |
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