CN104084434A - Roller way of after-rolling ultra-fast cooling area for hot rolled strip - Google Patents
Roller way of after-rolling ultra-fast cooling area for hot rolled strip Download PDFInfo
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- CN104084434A CN104084434A CN201410323268.9A CN201410323268A CN104084434A CN 104084434 A CN104084434 A CN 104084434A CN 201410323268 A CN201410323268 A CN 201410323268A CN 104084434 A CN104084434 A CN 104084434A
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- roller
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- bearing block
- spindle nose
- roller way
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Abstract
The invention discloses a roller way of an after-rolling ultra-fast cooling area for a hot rolled strip. According to the roller way, a roller body is shortened, a roller spindle head is lengthened, water discharge of the two sides of the roller way is increased, and a widened water discharge groove is formed between adjacent roller ways; the roller body and the roller spindle head are welded into a whole through a roller supporting plate, a water retaining ring is welded at one end of the roller spindle head, and a waterproof sleeve is embedded into the large circle of the water retaining ring and enables a water-resisting maze to be formed by the waterproof sleeve and the roller spindle head; after a rotary sealing part is installed on the waterproof sleeve, the waterproof sleeve is installed in a bearing seat through a bearing, fast fastening of the roller way is achieved through the cooperation between an axial groove of a roller way support, a clamping claw and a wedge block on the non-motor side, and the roller way can be detached by loosening the pressing wedge block and a fastening bolt on the motor side to achieve roller way replacement. By the adoption of the roller way, water discharge requirements of an ultra-fast cooling device are met, the problems that water enters a bearing and a motor is burnt are solved, loosening does not occur easily, assembly and disassembly are convenient and quick, maintaining efficiency is improved, and cost is reduced.
Description
Technical field
The invention belongs to metallurgical machinery equipment technical field, specifically a kind of rollgang for supper-fast cooling zone after Rolling for Hot Rolled Strip.
Background technology
On hot-rolled strip production line, cooling device is transported rolled piece and is realized the on-line cooling of rolled piece by rollgang.The rollgang of cooling zone is for a long time in this complicated rugged environment of a large amount of cooling waters, particularly can reach 1.0MPa at supper-fast cooling zone cooling water pressure, the common layer of the flow-rate ratio of cooling water is cold wants large several times, and the displacement of existing rollgang can not meet drainage requirement, the incomplete shortcoming of hermetically-sealed construction at end axis bearing place is also more and more obvious, rollgang often there will be the water inlet of roller-way bearing in running, the problems such as roller jam and burn-down of electric motor, so not only increase the consumption of spare part, also affect normal production, increase the cost of steel rolling product.
In this process that steel moves on the rollgang of cooling zone in addition, because can making rollgang, the warpage with steel head produces the very large vibrations of jolting, roller-way often causes the loosening situation of roller-way fastening bolt under long-term vibrations, attendant must be often roller-way is carried out regular fastening, and collector between the roller-way of supper-fast cooling zone is more intensive, and collector size is larger than general laminar flow collector, so just make operating space become narrower and small, attendant just becomes more difficulty to the regular fastening of roller-way and replacing, increase the time of maintenance repair and maintenance, affect the normal recovery of producing.
" a kind of conveyor roller for on-line cooling equipment " (patent No.: 201110388018.X) discloses a kind of conveyor roller for on-line cooling equipment before this, it is characterized in that, on water seal cover and roll shaft, be all processed with multiple tracks water storage groove, although it is to having had certain improvement on roller-way bearing water inlet structure of problem, but high-pressure cooling water is still easy to enter in water seal cover, drainage effect is not good yet, and the processing of its water seal cover inner surface is also more complicated, its structure can not meet the job requirement of supper-fast cooling device.
Summary of the invention
The object of the invention is the problem existing for prior art, a kind of rollgang for supper-fast cooling zone after Rolling for Hot Rolled Strip is provided.
Above-mentioned purpose realizes by following proposal:
The roller-way of supper-fast cooling zone after a kind of Rolling for Hot Rolled Strip, it comprises roller-way support, roller-way backing plate, bearing block, bearing, motor, two roller spindle noses, it is characterized in that, the body of roll two ends of described roller-way respectively one end of the roller spindle nose by polylith roll support plate and roller-way both sides weld together, the described body of roll is arranged on the centre position of roller-way, and the total exposed parts size in roller spindle nose both sides accounts for the 15%-25% of two side shaft holder centreline spacings; The other end at the roller spindle nose of described roller-way both sides is separately installed with drip ring, and described drip ring miner diameter end is weldingly fixed on roller spindle nose, between adjacent roller-way, has formed rhone by the described body of roll, roller spindle nose and drip ring; In the large footpath of described drip ring, be provided with the waterproof jacket being socketed on described roller spindle nose, between this waterproof jacket and described roller spindle nose, be formed with the labyrinth that blocks water, and have rhone in the bottom of described waterproof jacket.
According to above-mentioned roller-way, it is characterized in that, in the large footpath of described waterproof jacket periphery, seal is installed, described waterproof jacket and transmission side bearing block and non-motor side bearing block bolt are fastening, the bearing of transmission side is also connected sealing with motor, motor is bolted on bearing block, and inner rotary sealing is installed in one end outside transmission side bearing block.
According to above-mentioned roller-way, it is characterized in that, non-motor side bearing block and transmission side bearing block are arranged on roller-way backing plate by detent and the set bolt of bottom; Two voussoir symmetries are placed on two ends upper surface outside non-motor side bearing block end, roller-way backing plate, and described voussoir inclined-plane upward, bottom surface contacts with the upper surface of roller-way backing plate; Head one end of clamping screw inserts in the T-shaped groove in the centre of voussoir, the head of clamping screw is stuck in T-shaped groove, the other end of clamping screw is through the intermediate throughholes of claw, footing by claw and groove coordinate with roller-way bracket lip portion gusset clamping, upper surface and the roller-way bracket lip portion gusset close contact of the footing of claw simultaneously, the inclined-plane of claw inner side contacts with the inclined-plane at voussoir top.
Beneficial effect of the present invention:
In the time that roller-way is in a large amount of high-pressure cooling water environment, a large amount of cooling waters of roller-way both sides can be discharged along the discharge outlet of adjacent two roller spindle nose lengthening sections composition, designed lengthening section is that the body of roll is shortened, roller spindle nose lengthens, increase the displacement of roller-way both sides, and there is drip ring protection, effectively prevent that cooling water from directly impacting the seal clearance place of waterproof jacket and roller spindle nose, even if enter on a small quantity the cooling water in the cavity of drip ring inner surface and waterproof jacket outer surface composition, centrifugal force by rotation directly throws away cooling water from the large footpath angle of drip ring, minute quantity enters into the cooling water of waterproof jacket inside by constantly interception the rhone discharge along waterproof jacket bottom of labyrinth that block water.
Due to after the groove of roller-way by roller-way support and motor side bolt spacing, only the free degree of remaining above-below direction does not limit, and the claw of bearing block of the present invention outer end and the design of fastening slide block have ensured Quick fastening and the dismounting of roller-way.The Wedge-type limiting mode adopting is for above-below direction, and the contact area between voussoir and claw increases, the in the situation that of identical pretightning force, fastening effect of the present invention is more reliable and stable, this effect has also obtained confirmation at the scene, the loosening situation of roller-way greatly reduces, the fastening means that adopts in addition single bolt due to the present invention, has opereating specification little, and convenient disassembly is feature efficiently.Therefore the present invention has shortened the time of plant maintenance greatly, has improved the efficiency of producing, and has extended the service life of bearing, has protected motor, makes roller-way energy long-term in a kind of good operating condition.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is roller-way partial enlarged drawing of the present invention;
Fig. 3 is the axial schematic diagram of waterproof jacket of the present invention;
Fig. 4 is the radially schematic diagram of waterproof jacket of the present invention;
Fig. 5 is claw front view of the present invention;
Fig. 6 is claw side view of the present invention;
Fig. 7 is voussoir front view of the present invention;
Fig. 8 is voussoir side view of the present invention.
Detailed description of the invention
The roller-way of supper-fast cooling zone after Rolling for Hot Rolled Strip of the present invention, comprise roller spindle nose, the body of roll, bearing block, roller-way backing plate, roller-way support, it is characterized in that the design lengthens body of roll shortening, roller spindle nose, increase the displacement of roller-way both sides, and form the rhone U that widens between adjacent roller-way, and then drainage requirement while meeting ultrafast cool equipment work.Referring to Fig. 1, the length of described roller spindle nose 3 of the present invention is the 1/5-2/5 of the body of roll 1 length, (body of roll 1 is positioned at the centre position of roller-way to the exposed parts of roller spindle nose 3, exposed parts refers to the total exposed parts of both sides roller spindle nose) size accounts for the 15%-25% of bearing block 7 and 7 ' centreline spacing, be positioned at the centre position of roller-way at the body of roll 1, and the forward and backward roll support plate 2 by each end and the 2 ' a at the body of roll 1 inwall and a ' locate through being welded and fused with the even footpath end of two roller spindle noses 3 respectively at the two ends of the body of roll 1; Expose the roller spindle nose 3 of the same structure at the body of roll 1 two ends, transmission side is similar to the parts installation embodiment of non-drive side, the other end of roller spindle nose 3 is all welded with drip ring 4, drip ring 4 miner diameter ends are weldingly fixed on (b place in figure) on roller spindle nose 3, be embedded in interior rotating seal 10 at the seal groove of waterproof jacket 5 large diameter ends, waterproof jacket 5 miner diameter ends are inserted in along roller spindle nose 3, and waterproof jacket 5 is embedded in the large footpath of drip ring 4, and form with roller spindle nose 3 labyrinth that blocks water; In waterproof jacket 5 large footpath peripheries, seal 6 is installed, roller spindle nose 3 is arranged in bearing block 7 by bearing 8, bearing block 7 and the non-motor side bearing block 7 ' bolted of waterproof jacket 5 and transmission side, the bearing 8 of transmission side is also connected sealing with motor 9, motor 9 is bolted on bearing block 7, and inner rotary sealing 10 ' is installed in bearing block 7 one end, outside.
Part shape used: drip ring 4 is not isometrical ring platform shape, its large footpath edge has extension edge, its path and roller spindle nose 3 equal diameters.The body of roll 1 indoor design has two and above roll support plate 2, and roll support plate 2 must ensure have certain width, should ensure axiality and stability when the body of roll runs up.The structure of waterproof jacket 5 as shown in Figures 3 and 4, waterproof jacket 5 is ring platform shape, there is screw its outer, large footpath, large footpath inwall has the annular groove that holds rotatory sealing 10, be processed with C form drag ditch many C shape ditch rings of ring c(at waterproof jacket 5 inner surfaces and form the aforesaid labyrinth that blocks water), ditch collar extension is at same axis, axial local reducing, and processing grooving ring open bottom is the rhone d on inclined-plane, and pit is installed, and Open Side Down.Not only good waterproof performance but also be beneficial to processing of this rhone d structure.Waterproof jacket 5 length be roller spindle nose 3 expose size 1/2 or 1/3, in order to expand drainage area, be beneficial to ultrafast cool region water by the gap U between two roller-way spindle noses, and fast water drained in its below trench; Bearing block 7 one end, outside inwalls have the annular groove that holds inner rotary sealing 10 ', and lower surface is processed with groove, for the restriction location of roller-way, have also reduced the axial shearing force of bearing block set bolt simultaneously, make roller-way operation more stable.
In the time that roller-way is in a large amount of high-pressure cooling water environment, the most cooling water that flows to roller-way two ends kept off in outside by drip ring 4 and along between adjacent roller-way by the body of roll 1, what roller spindle nose 3 and drip ring 4 formed widens rhone U discharge, as shown in Figure 2, enter into the cooling water in the cavity of drip ring 4 inner surfaces and waterproof jacket 5 outer surfaces compositions, centrifugal force by rotation directly throws away cooling water from the angle e of drip ring 4, and the cooling water that enters into waterproof jacket 5 inside by the labyrinth that blocks water stop waterproof jacket 5 inner surfaces block water in ditch ring c, and the cooling water blocking water in ditch ring can be discharged from the rhone d of waterproof jacket 5 bottoms.See Fig. 5,6, claw 12 designs at non-motor side bearing block 7 ', and its effect is the free degree that limits the upper-lower position of roller-way, and claw 12 sides are processed with through hole f, in the middle of footing, is processed with groove g, and the bottom card leg h of claw 12 is processed with the chamfering of 10 × 45 °; Also be designed with fastening voussoir 13 simultaneously, coordinate with the inclined-plane L at voussoir 13 tops by the inclined-plane J of claw 12 inner sides, realize the fastening and dismounting fast of roller-way.
Fixing and the quick-detachment method of roller-way of the present invention is achieved in that non-motor side bearing block 7 ' and transmission side bearing block 7 are arranged on roller-way backing plate 14 by detent and the set bolt of bottom, two voussoir 13 symmetries are placed on non-motor side bearing block 7 ' end, roller-way backing plate 14 two ends, outside upper surfaces, see Fig. 7,8, its inclined-plane L upward, bottom surface N contacts with the upper surface of roller-way backing plate 14; Head one end of clamping screw 11 is inserted in the T-shaped groove M in the centre of voussoir 13, the head of clamping screw 11 is stuck in T-shaped groove M, the other end of clamping screw 11 is through the intermediate throughholes f of claw 12, footing h and groove g by claw 12 clamp and coordinate with roller-way support 15 limit portions gussets, upper surface k and the roller-way support 15 limit portion gusset close contacts of the footing h of claw 12 simultaneously, the inclined-plane J of claw 12 inner sides contacts with the inclined-plane L at voussoir 13 tops; Successively pad and nut are arranged on to the exposed junction of each clamping screw 11, fastening nut, voussoir 13 is carried out suitable knocking vibrations and then claw 12 is contacted with two inclined-planes of voussoir 13 more abundant in fastening process, the fixed effect of roller-way is also more firm.When maintenance dismounting, only need unclamp the locking nut 11 of non-motor side and two bolts of motor side, can complete the quick-detachment to roller-way along roller shaft to removing described claw 12.
While the invention enables roller-way in these adverse circumstances of a large amount of high-pressure cooling waters; can effectively improve the accumulation of a large amount of cooling waters; reduce the generation that cooling water flows into event in roller-way bearing and driving motor; improve the working environment of bearing and motor; extend the service life of roller-way bearing, effectively protected motor.Also effectively improve the fastening of the loosening and roller-way of roller-way and problem that dismounting is inconvenient simultaneously, greatly shortened the repair time of supper-fast cooling zone roller-way, saved maintenance cost, improved production efficiency.
Claims (3)
1. the roller-way of supper-fast cooling zone after a Rolling for Hot Rolled Strip, it comprises roller-way support, roller-way backing plate, bearing block, bearing, motor, two roller spindle noses, it is characterized in that, the body of roll two ends of described roller-way respectively one end of the roller spindle nose by polylith roll support plate and roller-way both sides weld together, the described body of roll is arranged on the centre position of roller-way, and the total exposed parts size in roller spindle nose both sides accounts for the 15%-25% of two side shaft holder centreline spacings; The other end at the roller spindle nose of described roller-way both sides is separately installed with drip ring, and described drip ring miner diameter end is weldingly fixed on roller spindle nose, between adjacent roller-way, has formed rhone by the described body of roll, roller spindle nose and drip ring; In the large footpath of described drip ring, be provided with the waterproof jacket being socketed on described roller spindle nose, between this waterproof jacket and described roller spindle nose, be formed with the labyrinth that blocks water, and have rhone in the bottom of described waterproof jacket.
2. roller-way according to claim 1, it is characterized in that, in the large footpath of described waterproof jacket periphery, seal is installed, described waterproof jacket and transmission side bearing block and non-motor side bearing block bolt are fastening, the bearing of transmission side is also connected sealing with motor, motor is bolted on bearing block, and inner rotary sealing is installed in one end outside transmission side bearing block.
3. roller-way according to claim 1 and 2, is characterized in that, non-motor side bearing block and transmission side bearing block are arranged on roller-way backing plate by detent and the set bolt of bottom; Two voussoir symmetries are placed on two ends upper surface outside non-motor side bearing block end, roller-way backing plate, and described voussoir inclined-plane upward, bottom surface contacts with the upper surface of roller-way backing plate; Head one end of clamping screw inserts in the T-shaped groove in the centre of voussoir, the head of clamping screw is stuck in T-shaped groove, the other end of clamping screw is through the intermediate throughholes of claw, footing by claw and groove coordinate with roller-way bracket lip portion gusset clamping, upper surface and the roller-way bracket lip portion gusset close contact of the footing of claw simultaneously, the inclined-plane of claw inner side contacts with the inclined-plane at voussoir top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410323268.9A CN104084434B (en) | 2014-07-09 | 2014-07-09 | The roller-way in ultra-rapid cooling district after a kind of Rolling for Hot Rolled Strip |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410323268.9A CN104084434B (en) | 2014-07-09 | 2014-07-09 | The roller-way in ultra-rapid cooling district after a kind of Rolling for Hot Rolled Strip |
Publications (2)
| Publication Number | Publication Date |
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| CN104084434A true CN104084434A (en) | 2014-10-08 |
| CN104084434B CN104084434B (en) | 2016-04-06 |
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| CN201410323268.9A Active CN104084434B (en) | 2014-07-09 | 2014-07-09 | The roller-way in ultra-rapid cooling district after a kind of Rolling for Hot Rolled Strip |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891421A (en) * | 2016-04-11 | 2016-08-24 | 谢博 | Roller-way surface-defect detecting frame |
| CN107962158A (en) * | 2017-12-28 | 2018-04-27 | 黑龙江建龙钢铁有限公司 | A kind of billet continuous casting arc section apparatus for being used to make steel |
| CN110586668A (en) * | 2019-10-25 | 2019-12-20 | 四川德胜集团钒钛有限公司 | Cooling bed output device |
| CN110877059A (en) * | 2019-12-11 | 2020-03-13 | 四川德胜集团钒钛有限公司 | Rolling line cooling device |
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| US4000553A (en) * | 1974-10-22 | 1977-01-04 | Vereinigte Osterreichische Eisen- Und Stahlwerke-Alpine Montan Aktiengesellschaft | Roller or roll assembly |
| JP2001050399A (en) * | 1999-08-03 | 2001-02-23 | Hitachi Ltd | Berating seal device of rolling roll and bearing seal method of rolling roll |
| CN202011615U (en) * | 2011-04-26 | 2011-10-19 | 青岛德盛利集团表面处理设备有限公司 | Labyrinth sealing mechanism for roller way in chamber of through shot blasting machine |
| CN103722143A (en) * | 2012-10-11 | 2014-04-16 | 宝钢特钢有限公司 | Roller way water-cooling device for waterproof device with return water divergence structure |
| CN204074737U (en) * | 2014-07-09 | 2015-01-07 | 东北大学 | The roller-way in ultra-rapid cooling district after a kind of Rolling for Hot Rolled Strip |
-
2014
- 2014-07-09 CN CN201410323268.9A patent/CN104084434B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4000553A (en) * | 1974-10-22 | 1977-01-04 | Vereinigte Osterreichische Eisen- Und Stahlwerke-Alpine Montan Aktiengesellschaft | Roller or roll assembly |
| JP2001050399A (en) * | 1999-08-03 | 2001-02-23 | Hitachi Ltd | Berating seal device of rolling roll and bearing seal method of rolling roll |
| CN202011615U (en) * | 2011-04-26 | 2011-10-19 | 青岛德盛利集团表面处理设备有限公司 | Labyrinth sealing mechanism for roller way in chamber of through shot blasting machine |
| CN103722143A (en) * | 2012-10-11 | 2014-04-16 | 宝钢特钢有限公司 | Roller way water-cooling device for waterproof device with return water divergence structure |
| CN204074737U (en) * | 2014-07-09 | 2015-01-07 | 东北大学 | The roller-way in ultra-rapid cooling district after a kind of Rolling for Hot Rolled Strip |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891421A (en) * | 2016-04-11 | 2016-08-24 | 谢博 | Roller-way surface-defect detecting frame |
| CN107962158A (en) * | 2017-12-28 | 2018-04-27 | 黑龙江建龙钢铁有限公司 | A kind of billet continuous casting arc section apparatus for being used to make steel |
| CN110586668A (en) * | 2019-10-25 | 2019-12-20 | 四川德胜集团钒钛有限公司 | Cooling bed output device |
| CN110877059A (en) * | 2019-12-11 | 2020-03-13 | 四川德胜集团钒钛有限公司 | Rolling line cooling device |
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| CN104084434B (en) | 2016-04-06 |
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