CN110227807A - A kind of anti-block support roll structure - Google Patents
A kind of anti-block support roll structure Download PDFInfo
- Publication number
- CN110227807A CN110227807A CN201910510428.3A CN201910510428A CN110227807A CN 110227807 A CN110227807 A CN 110227807A CN 201910510428 A CN201910510428 A CN 201910510428A CN 110227807 A CN110227807 A CN 110227807A
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- CN
- China
- Prior art keywords
- support
- roll
- support roller
- shaft
- bearing
- 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
Links
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000005461 lubrication Methods 0.000 claims description 35
- 238000003825 pressing Methods 0.000 claims description 16
- 239000000498 cooling water Substances 0.000 claims description 14
- 230000003447 ipsilateral effect Effects 0.000 claims description 12
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 230000001050 lubricating effect Effects 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 12
- 239000010959 steel Substances 0.000 abstract description 12
- 239000002893 slag Substances 0.000 abstract description 5
- 230000003252 repetitive effect Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000018199 S phase Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
- B22D11/1287—Rolls; Lubricating, cooling or heating rolls while in use
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolls And Other Rotary Bodies (AREA)
Abstract
The invention discloses a kind of anti-blocks to support roll structure, it include: two support bases, support roll shaft and the support roller body of roll, the two sides shaft end of support roll shaft is fixedly installed on two support bases respectively by bindiny mechanism, prevent that roll shaft is supported to rotate from opposite support base, the support roller body of roll opposite can support roll shaft to be sheathed on outside support roll shaft freely to rotate by two bearings, support roller end cap, the support roller end cap movable contact sealing of the support roller body of roll and two sides are respectively installed on the support roll shaft of support roller body of roll two sides.The invention has the advantages that repetitive positioning accuracy is high, it can be achieved that quick-replaceable, can effectively prevent generation the phenomenon that card resistance due to running clearance is blocked by cold steel, steel slag of the support roller body of roll.
Description
Technical field
The present invention relates to steel-making continuous casting apparatus fields, and in particular to a kind of anti-block support roll structure.
Background technique
Conticaster be it is a kind of can high-temperature molten steel will be continuously cast into certain section configuration and certain size
The molding equipment of specification slab.Support roller in conticaster is installed in two cold houses, in segmental arc to the branch at shaped blooms
Support.When maintenance replacement support roller need to levelness to support roller and axis inclination detect, and support roller is designed in part
Horizontal mounting surface that pedestal uses rather than inclination mounting surface along camber line tangential direction, to the detection difficulty of replacement installation support roller
It increases, takes a long time influence installation accuracy；In addition, the design of conventional support roller is using bearing block and body of roll separate design, the body of roll with
Have gap between bearing block, and body of roll rotation and bearing block does not rotate, and caster two cold room is that bleed-out accident occurs relatively frequently
Numerous region often has bleed-out or a large amount of steel slag that the gap between the support roller body of roll and bearing block is filled up and causes support roller cannot
Rotation, is replaced by forced-stopping machine, influences the direct motion of production.
Summary of the invention
The object of the present invention is to provide a kind of achievable quick-replaceable and it is not easy to be caused the anti-block of card resistance by steel and steel slag
Support roll structure.
To achieve the above object, present invention employs following technical solutions: a kind of anti-block support roll structure, comprising: two
A support base, support roll shaft and the support roller body of roll, it is characterised in that: support the two sides shaft end of roll shaft solid respectively by bindiny mechanism
Loaded on two support bases, preventing support roll shaft rotate from opposite support base, the support roller body of roll passes through two for Dingan County
Bearing opposite can support roll shaft to be sheathed on outside support roll shaft freely to rotate, divide on the support roll shaft of support roller body of roll two sides
It is not set with support roller end cap, the support roller end cap movable contact sealing of the support roller body of roll and two sides.
2, a kind of anti-block according to claim 1 supports roll structure, it is characterised in that: support roll shaft shaft end with it is right
It answers the bindiny mechanism between support base to specifically include: being provided with U-shaped card slot at the top of support base, support the shaft end shape of roll shaft
It is just adapted with U-shaped card slot, it is ensured that when supporting the U-shaped card slot of shaft end insertion support base of roll shaft, support roll shaft shaft end is not
The opposite support base of meeting rotates, and is additionally provided at the top of support base support roller shaft compression to be fixed in U-shaped card slot
Pressing plate, pressing plate is locked on support base by connection component.
Further, a kind of anti-block above-mentioned supports roll structure, in which: the structure of connection component includes: connection bolt
With attaching nut, the screw rod of the connection bolt sequentially passes through support base from bottom to top and connects with after pressing plate with attaching nut's phase screw thread
It connects, tightens attaching nut, pressing plate is made mutually to be locked with support base.
Further, a kind of anti-block above-mentioned supports roll structure, in which: supports in each support roller end cap and respective side
A body of roll positioning retainer ring to carry out axially position to the support roller body of roll is respectively installed on support roll shaft between seat.
Further, a kind of anti-block above-mentioned supports roll structure, in which: the support roller roller being in contact with support roller end cap
It is provided with several circle annular seal grooves on body end face, several ring shape Sealing shield rings, support roller are provided on support roller end cap
Each ring packing retaining ring of end cap just corresponds each annular seal groove on insertion support roller end surface of roll, to make to support
Labyrinth sealing is formed between roller end surface of roll and respective side support roller end cap.
Further, a kind of anti-block above-mentioned supports roll structure, in which: support roller body of roll inner hollow, two supports
Roller end lid, the support roller body of roll and support roll shaft three surround cavity jointly, are internally provided with two suits in the support roller body of roll
Outside framework oil seal on support roll shaft, cavity is separated by two outside framework oil seals to be located in the middle waterway and is distributed in water
The bearing lubrication chamber of cold chamber two sides, two bearings are respectively arranged in that two bearing lubrication are intracavitary, in the side shaft end of support roll shaft
Be provided on end face on cooling water inlet and first bearing oil-air lubrication mouth, other side shaft end end face be provided with cooling water outlet and
Second bearing oil-air lubrication mouth, support roll shaft in be provided with to be connected to cooling water inlet and waterway intake tunnel, with
And connection cooling water outlet and waterway exhalant canal, by first bearing oil-air lubrication mouth and ipsilateral corresponding bearing lubrication chamber
The first bearing oil-air lubrication channel that is connected and by second bearing oil-air lubrication mouth and ipsilateral corresponding bearing lubrication chamber phase
The second bearing oil-air lubrication channel of connection.
Further, a kind of anti-block above-mentioned supports roll structure, in which: in each bearing and ipsilateral corresponding skeleton oil
The bearing outer ring positioning retainer ring to be positioned to bearing outer ring is provided between envelope, in the ipsilateral corresponding support of each bearing
Roller end covers the bearing inner race positioning retainer ring being provided with to be positioned to bearing inner race.
Further, a kind of anti-block above-mentioned supports roll structure, in which: the conveying end face of the support roller body of roll is high in two sides
And intermediate low concave groove setting.
Advantages of the present invention are as follows: (1) when replacement installation, the pressing plate on support base need to only be removed, so that it may directly will support
Roll shaft is replaced together with the support roller body of roll, and repetitive positioning accuracy is high, realizes quick-replaceable；(2) bearing is installed on support roller roller
Inside body, and between support roller end surface of roll and corresponding support roller end cap for free gap seal, even if support roller end cap with
Gap is blocked between support base, will not influence the operating of the support roller body of roll, effectively prevent the support roller body of roll because of running clearance
By cold steel, steel slag blocking and the phenomenon that card resistance, occurs.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that a kind of anti-block of the present invention supports roll structure.
Fig. 2 is the structural schematic diagram of Fig. 1 left view direction.
Fig. 3 is the enlarged diagram at the position H shown in Fig. 2.
Specific embodiment
The present invention is described in further detail with Figure of description combined with specific embodiments below.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of anti-block supports roll structure, comprising: two support bases 1, support rollers
The two sides shaft end of axis 2 and the support roller body of roll 3, support roll shaft 2 is fixedly installed on two support bases 1 respectively by bindiny mechanism,
Prevent that roll shaft 2 is supported to rotate from opposite support base 1, the support roller body of roll 3 can opposite support roll shaft by two bearings 4
2 are sheathed on freely to rotate outside support roll shaft 2, are respectively installed with support roller on the support roll shaft 2 of 3 two sides of the support roller body of roll
5 movable contact of support roller end cap of end cap 5, the support roller body of roll 3 and two sides seals；
In the present embodiment, since every side axle end of support roll shaft 2 and the bindiny mechanism between corresponding support base 1 are all the same, under
Face for the wherein bindiny mechanism between a side axis and corresponding support base 1 for supporting roll shaft 2 only to be illustrated, the support
Bindiny mechanism between 2 shaft end of roll shaft and corresponding support base 1 specifically includes: the top of support base 1 being provided with U-shaped card slot 6, props up
The shaft end shape of support roll shaft 2 is just adapted with U-shaped card slot 6, it is ensured that when the U-shaped card of the shaft end insertion support base 1 of support roll shaft 2
When slot 6, support 2 shaft end of roll shaft will not rotate with respect to support base 1, be additionally provided at the top of support base 1 will support
Roll shaft 2 is pressed abd fixed on the pressing plate 7 in U-shaped card slot 6, and pressing plate 7 is locked on support base 1 by connection component；In this reality
Apply in example, the structure of connection component includes: connection bolt 8 and attaching nut 9, the screw rod of the connection bolt 8 from bottom to top according to
The secondary support base 1 that passes through is threadedly coupled with after pressing plate 7 with 9 phase of attaching nut, is tightened attaching nut 9, is made pressing plate 7 and 1 phase of support base
It is locked, above-mentioned connecting component structure is simple, convenient to install and maintain；
In the present embodiment, it is respectively installed on the support roll shaft 2 between each support roller end cap 5 and respective side support base 1
One body of roll positioning retainer ring 10 to carry out axially position to the support roller body of roll 3 can be better protected from support roller roller in this way
Axial float occurs in the process of running for body 3, improves the operation stability of equipment；In the present embodiment, with support roller end cap 5
Several circle annular seal grooves are provided on 5 end face of the support roller body of roll being in contact, several rings are provided on support roller end cap 5
Shape Sealing shield ring 11, each ring packing retaining ring 11 of support roller end cap 5 just correspond on insertion 3 end face of the support roller body of roll
Each annular seal groove, to make to form labyrinth sealing, labyrinth between 3 end face of the support roller body of roll and respective side support roller end cap 5
Formula sealing, which can not only prevent introduced contaminants rubbish from entering bearing area, influences bearing, and between the support roller body of roll and support roller end cap
Labyrinth type fit clearance can also be used as the exhaust passage of oil-air lubrication in corresponding shaft bearing lubricating cavity, ensure that the operation of equipment is steady
It is qualitative；
In the present embodiment, 3 inner hollow of the support roller body of roll, two support roller end caps 5, the support roller body of roll 3 and support roll shaft 2 three
Person surrounds cavity jointly, the support roller body of roll 3 be internally provided with two be set in support roll shaft 2 on outside framework oil seals 12, two
Cavity is separated into the bearing lubrication chamber for being located in the middle waterway 13 and being distributed in 13 two sides of waterway by a outside framework oil seal 12
14, two bearings 4 are respectively arranged in two bearing lubrication chambers 14, are provided on the side shaft end end face of support roll shaft 2 cold
But water inlet 15 and first bearing oil-air lubrication mouth 16, other side shaft end are provided with cooling water outlet 17 and second bearing on end face
Oil-air lubrication mouth 18, support roll shaft 2 in be provided with to be connected to cooling water inlet 15 and waterway 13 intake tunnel 19, with
And connection cooling water outlet 17 and waterway 13 exhalant canal 20, by first bearing oil-air lubrication mouth 16 and ipsilateral corresponding axis
Hold first bearing oil-air lubrication channel 21 that lubricating cavity 14 is connected and by second bearing oil-air lubrication mouth 18 with it is ipsilateral corresponding
The second bearing oil-air lubrication channel 22 that is connected of bearing lubrication chamber 14；In the present embodiment, each bearing 4 with it is ipsilateral right
The bearing outer ring positioning retainer ring 23 to be positioned to 4 outer ring of bearing is provided between the outside framework oil seal 12 answered, in each axis
Hold the bearing inner race positioning retainer ring 24 being provided on 4 ipsilateral corresponding support roller end caps 5 to be positioned to 4 inner ring of bearing；
In the present embodiment, in two sides, high and intermediate low concave groove is arranged the conveying end face of the support roller body of roll 3, in this way convenient for steel billet
Guiding conveying is carried out, and also reduces the overall weight of the support roller body of roll, enterprise is reduced and produces and uses cost；
When installation, first outside framework oil seal 12, bearing outer ring positioning retainer ring 23, bearing 4 are sequentially loaded into the support roller body of roll 3, then
Roll shaft 2 will be supported from each bearing 4 and the support roller body of roll 3 is passed through, support roller end is then installed respectively in each shaft end of support roll shaft 2
Lid 5 and axle body positioning retainer ring 10 then will support the two sides shaft end of roll shaft 2 to be respectively clamped into the U-shaped card slot 6 of two support bases 1,
Then 2 shaft end of roll shaft will be supported to be fixed in corresponding support base 1 with pressing plate 7, connection bolt 8 and attaching nut 9 respectively again, thus
Complete the assembly of entire support roller；Steel is badly carried out in guiding transmission process in support roller, by cooling water successively from cooling water into
15 intake tunnels 19 of mouth are passed through waterway 13, after the complete cooling heat transferring of cooling water in waterway 13, then successively through exhalant canal
20 and cooling water outlet 17 be discharged, realize cooling to the support roller body of roll；Meanwhile oil gas can will be lubricated from first bearing oil gas
Lubrication mouth 16 and first bearing oil-air lubrication channel 21 are passed through in the bearing lubrication chamber 14 in left side, to be installed on the bearing
Bearing 4 in lubricating cavity 14 is lubricated；Likewise, oil gas can will be lubricated from second bearing oil-air lubrication mouth 18 and the second axis
It holds oil-air lubrication channel 22 to be passed through in the bearing lubrication chamber 14 on right side, to be installed on the bearing in the bearing lubrication chamber 14
4 are lubricated；Replacement installation when, only the pressing plate 7 on each support base 1 need to be removed, so that it may directly by old support roll shaft 2 together with
The support roller body of roll 3 is removed together, and the two sides shaft end of the support roll shaft 2 of the support roller newly assembled is then respectively clamped into two again
The U-shaped card slot 6 of support base 1, then 2 shaft end of roll shaft will be supported to be fixed on corresponding support with pressing plate 7, connection bolt 8 and attaching nut 9
In seat 1, i.e., the complete replacement of support roller, repetitive positioning accuracy is high, realizes quick-replaceable.
Advantages of the present invention are as follows: (1) when replacement installation, the pressing plate on support base need to only be removed, so that it may directly will support
Roll shaft is replaced together with the support roller body of roll, and repetitive positioning accuracy is high, realizes quick-replaceable；(2) bearing is installed on support roller roller
Inside body, and between support roller end surface of roll and corresponding support roller end cap for free gap seal, even if support roller end cap with
Gap is blocked between support base, will not influence the operating of the support roller body of roll, effectively prevent the support roller body of roll because of running clearance
By cold steel, steel slag blocking and the phenomenon that card resistance, occurs.
Claims (8)
1. a kind of anti-block supports roll structure, comprising: two support bases, support roll shaft and the support roller body of roll, it is characterised in that: branch
The two sides shaft end of support roll shaft is fixedly installed on two support bases respectively by bindiny mechanism, prevents to support roll shaft from opposite support
Seat rotates, and the support roller body of roll opposite can support roll shaft to be sheathed on outside support roll shaft freely to rotate by two bearings
Portion is respectively installed with support roller end cap, the support roller of the support roller body of roll and two sides on the support roll shaft of support roller body of roll two sides
The sealing of end cap movable contact.
2. a kind of anti-block according to claim 1 supports roll structure, it is characterised in that: support roll shaft shaft end and corresponding branch
Bindiny mechanism between support seat specifically includes: being provided with U-shaped card slot at the top of support base, supports the shaft end shape of roll shaft just
It is adapted with U-shaped card slot, it is ensured that when supporting the U-shaped card slot of shaft end insertion support base of roll shaft, support roll shaft shaft end will not phase
It rotates to support base, the pressure to be fixed on support roller shaft compression in U-shaped card slot is additionally provided at the top of support base
Plate, pressing plate are locked on support base by connection component.
3. a kind of anti-block according to claim 2 supports roll structure, it is characterised in that: the structure of connection component includes:
Connect bolt and attaching nut, the screw rod of the connection bolt sequentially pass through from bottom to top after support base and pressing plate with attaching nut
It is mutually threadedly coupled, tightens attaching nut, pressing plate is made mutually to be locked with support base.
4. a kind of anti-block according to claim 2 supports roll structure, it is characterised in that: each support roller end cap with it is right
Answer be respectively installed on the support roll shaft between the support base of side one it is fixed to the body of roll for carrying out axially position to the support roller body of roll
Position retaining ring.
5. a kind of anti-block according to claim 1 supports roll structure, it is characterised in that: be in contact with support roller end cap
It is provided with several circle annular seal grooves on support roller end surface of roll, several circle ring packing gears are provided on support roller end cap
Circle, each ring packing retaining ring of support roller end cap just correspond each annular seal groove on insertion support roller end surface of roll,
To make to form labyrinth sealing between support roller end surface of roll and respective side support roller end cap.
6. a kind of anti-block according to claim 1 supports roll structure, it is characterised in that: support roller body of roll inner hollow,
Two support roller end caps, the support roller body of roll and support roll shaft three surround cavity jointly, in being internally provided with for the support roller body of roll
Two be set in support roll shaft on outside framework oil seals, two outside framework oil seals cavity is separated into be located in the middle waterway and
It is distributed in the bearing lubrication chamber of waterway two sides, two bearings are respectively arranged in that two bearing lubrication are intracavitary, in support roll shaft
It is provided with cooling water inlet on the end face of side shaft end and first bearing oil-air lubrication mouth, other side shaft end are provided with cooling on end face
Water out and second bearing oil-air lubrication mouth are provided with the water inlet to be connected to cooling water inlet and waterway in support roll shaft
The exhalant canal of channel and connection cooling water outlet and waterway, by first bearing oil-air lubrication mouth and ipsilateral corresponding axis
Hold first bearing oil-air lubrication channel that lubricating cavity is connected and by second bearing oil-air lubrication mouth and ipsilateral corresponding bearing
The second bearing oil-air lubrication channel that lubricating cavity is connected.
7. a kind of anti-block according to claim 6 supports roll structure, it is characterised in that: each bearing with it is ipsilateral corresponding
Outside framework oil seal between be provided with bearing outer ring positioning retainer ring to be positioned to bearing outer ring, it is ipsilateral right in each bearing
The bearing inner race positioning retainer ring to be positioned to bearing inner race is provided on the support roller end cap answered.
8. a kind of anti-block according to claim 1 supports roll structure, it is characterised in that: the conveying end face of the support roller body of roll
High in two sides and intermediate low concave groove setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910510428.3A CN110227807A (en) | 2019-06-13 | 2019-06-13 | A kind of anti-block support roll structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910510428.3A CN110227807A (en) | 2019-06-13 | 2019-06-13 | A kind of anti-block support roll structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110227807A true CN110227807A (en) | 2019-09-13 |
Family
ID=67859824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910510428.3A Pending CN110227807A (en) | 2019-06-13 | 2019-06-13 | A kind of anti-block support roll structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110227807A (en) |
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| CN202984621U (en) * | 2012-12-16 | 2013-06-12 | 广东韶钢松山股份有限公司 | Roller assembly device for secondary cooling guide section of continuous casting machine |
| CN204194740U (en) * | 2014-08-28 | 2015-03-11 | 冷水江钢铁有限责任公司 | A kind of billet caster two cold house backing roll |
| CN104972090A (en) * | 2015-07-13 | 2015-10-14 | 江苏联峰能源装备有限公司 | Fixed section carrier roller of continuous casting machine |
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| CN205533807U (en) * | 2016-04-26 | 2016-08-31 | 哈尔滨发电成套设备有限公司 | A seal assembly for bearing |
| CN107520417A (en) * | 2016-11-07 | 2017-12-29 | 襄阳博亚精工装备股份有限公司 | Billet continuous casting merogenesis roller arrangement |
| CN208162009U (en) * | 2018-05-16 | 2018-11-30 | 新乡市华顺机械有限公司 | A kind of self-lubricating vibration excitor |
| CN210450882U (en) * | 2019-06-13 | 2020-05-05 | 联峰钢铁（张家港）有限公司 | Anti-blocking supporting roller structure |
-
2019
- 2019-06-13 CN CN201910510428.3A patent/CN110227807A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201431897Y (en) * | 2009-05-19 | 2010-03-31 | 永城煤电控股集团有限公司 | Dustproof labyrinth seal component for bearing of double-teeth roller crusher |
| CN201410550Y (en) * | 2009-06-05 | 2010-02-24 | 山东省新纪元冶金设备有限公司 | Internal-cooled quick-replaceable roller |
| CN202984621U (en) * | 2012-12-16 | 2013-06-12 | 广东韶钢松山股份有限公司 | Roller assembly device for secondary cooling guide section of continuous casting machine |
| CN204194740U (en) * | 2014-08-28 | 2015-03-11 | 冷水江钢铁有限责任公司 | A kind of billet caster two cold house backing roll |
| CN104972090A (en) * | 2015-07-13 | 2015-10-14 | 江苏联峰能源装备有限公司 | Fixed section carrier roller of continuous casting machine |
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| CN205533807U (en) * | 2016-04-26 | 2016-08-31 | 哈尔滨发电成套设备有限公司 | A seal assembly for bearing |
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