CN205254065U - Preceding roll table guider is cut to conticaster that can effectively reduce ejection frictional resistance - Google Patents
Preceding roll table guider is cut to conticaster that can effectively reduce ejection frictional resistance Download PDFInfo
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- CN205254065U CN205254065U CN201520880355.4U CN201520880355U CN205254065U CN 205254065 U CN205254065 U CN 205254065U CN 201520880355 U CN201520880355 U CN 201520880355U CN 205254065 U CN205254065 U CN 205254065U
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- bearing pin
- frictional resistance
- conticaster
- effectively reduce
- axle sleeve
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Abstract
The utility model discloses a preceding roll table guider is cut to conticaster that can effectively reduce ejection frictional resistance, including leading truck, leading wheel, round pin axle, axle sleeve, per two of guider be a set of, the symmetry sets up, the leading truck among set up round pin axle, the epaxial leading wheel that sets up of round pin, leading wheel and round pin axle between set up the axle sleeve, rim and the steel billet of leading wheel between set up the clearance, leading wheel and axle sleeve between be transition fit, axle sleeve and round pin axle between be clearance fit, the spacer ring set up in the round pin epaxially, be located outside the axle sleeve between the panel inboard of terminal surface and leading truck, the panel inboard of spacer ring and leading truck between be clearance fit, the round pin axle under set up the split pin under terminal surface and the leading truck between the surface. The utility model discloses the leading wheel has been eliminated and dead phenomenon can be blocked. The utility model discloses simple structure, simple to operate, the reliable operation can effectively reduce ejection frictional resistance.
Description
Technical field
The utility model belongs to technical field of metallurgical equipment, further belongs to steelmaking equipment technical field, is specifically related to oneKind is simple in structure, easy for installation, reliable operation, and the conticaster that can effectively reduce ejection frictional resistance is cut front roller-way guider.
Background technology
In current STEELMAKING PRODUCTION, often adopt circular-arc type continuous casting machine to produce steel billet. Circular-arc type continuous casting machine claims again full arc shapeConticaster, the crystallizer of circular-arc type continuous casting machine is curved, and two device for cooling, in 1/4th circular arc, form arc in crystallizerStrand, moves downward in process along arc roller channel that to accept water spray cooling, until solidify completely, completely solidifying after strand to approaching waterTruncation point place enters withdrawal straightening machine, after aligning downwards, along the pull-out of arc tangential direction, enters and cuts front roller-way, then by withdrawal straightening machineCut into scale. First the strand that has just gone out withdrawal straightening machine enters cuts front roller-way guider, and enter and cut front roller-way by guider,Go out to cut the auxiliary withdrawal straightening machine of front roller-way, enter afterwards flame cutting machine. Why to use guider will ensure strand not exactlySideslip, does not hit on equipment, to cause equipment damage or conticaster is forced and stops casting, avoids production accident etc. Cut front roller-way and leadTo device, its work characteristics is that operation is frequent, temperature is high and bears various impact loads, water-cooled, steam, corrosion, condition of workVery severe.
During the continuous casting of prior art is produced, strand passes in and out between two directive wheels, strand side and guide wheel rimDistance be 10mm, but in actual job process be difficult to ensure strand just in time pass through from the centre of two directive wheels, due toCasting blank deformation, high temperature, and the situation of the bending of strand itself, withdrawal straightening machine etc., causing strand is all to wipe leading of a side mostlyAdvance to wheel, be difficult to according to desirable design route throwing and advance, move along the center line of each stream caster machine. Owing to leadingAxle and the fit-up gap of axle sleeve to device are less, and in operation process high temperature strand for a long time by guider is causedThermal expansion, and the expansion of high temperature strand and distortion, cause axle sleeve and bearing pin often stuck, even at the cost of one's life, and directive wheel can not rotate, withShi Yin does not take into full account the side-play amount that strand there will be in the process by directive wheel, and strand is by withdrawal straightening machineIn process, withdrawal straightening machine moves the side-play amount causing, and then has strengthened the frictional resistance of ejection, has strengthened the damage to directive wheel, increasesAdd the load of the equipment such as withdrawal straightening machine, ejection roller way, caused whole front roller-way, the guider etc. cut under the effect of frictional resistanceSignificantly rock, bring very large hidden trouble of equipment. Strand not only has the left and right skew of horizontal direction and rocks in process of production, alsoThere is the skew of vertical direction and rock, after strand is against on directive wheel, due to the skew of vertical direction with rock and there is no compensation rate(buffering capacity), has aggravated frictional resistance and the damage of strand to sliver equipment that directive wheel causes. Because resistance is too large, drawingUnder the effect of the very large pulling force of strong machine, make equipment into a line rock greatly, vibrate large, wear extent large, caloric value strengthens, control essenceDegree declines, spare part high material consumption, Maintenance and Repair frequency are high, also can bring a lot of slab quality problems simultaneously, such as distortion, take offSides etc., rock the life-span that has also shortened the equipment such as crystallizer, vibrating device, two cold guide rollers simultaneously, affect the control essence of equipmentDegree etc. In addition, rocking of entirety is large, has produced very large load, causes the load of withdrawal straightening machine to strengthen, and controls difficulty and becomes large, meetingCause withdrawal straightening machine to jump electricity, cause the continuous casting operation failure of a rectification, cause very large equipment loss.
Due to the existence of the problems referred to above, affect normally carrying out of producing, affect the economic benefit of enterprise. For this reason, grindSystem exploitation is a kind of simple in structure, easy for installation, reliable operation, and the conticaster that can effectively reduce ejection frictional resistance is cut front roller-way and is ledIt is the key addressing this problem to device.
Utility model content
It is a kind of simple in structure, easy for installation that the purpose of this utility model is to provide, and reliable operation, can effectively reduce ejectionThe conticaster of frictional resistance is cut front roller-way guider.
The purpose of this utility model is achieved in that and comprises leading truck, directive wheel, bearing pin, axle sleeve, described guiding dressPutting every two is one group, is symmetrical arranged; Among described leading truck, bearing pin is set; On described bearing pin, directive wheel is set; InstituteBetween the directive wheel of stating and bearing pin, axle sleeve is set; Between the wheel rim of described directive wheel and steel billet, gap is set; Described guidingBetween wheel and axle sleeve, it is interference fits; It between described axle sleeve and bearing pin, is matched in clearance; On described bearing pin, spacer ring is set; InstituteBetween the panel inner side of the spacer ring of stating end face and leading truck outside axle sleeve; The panel inner side of described spacer ring and leading truckBetween be matched in clearance; Under described bearing pin, under end face and leading truck, between surface, split pin is set.
Between axle sleeve of the present utility model and bearing pin, be matched in clearance, gap is 4 ~ 6mm, simultaneously the face of spacer ring and leading truckPlate is also matched in clearance between inner side, and gap is 4 ~ 6mm, and between directive wheel and axle sleeve, is interference fits. Adopt said structureAfter, make directive wheel in relative free state, directive wheel is in the horizontal direction, vertical direction all can play, has eliminated directive wheelThermal expansion, steel billet skew etc. cause axle sleeve and bearing pin is stuck, even at the cost of one's life, the phenomenon that directive wheel can not rotate. The utility model is effectiveAvoid the increase of strand ejection frictional resistance, in the service life that has extended guider, cut front roller-way, withdrawal straightening machine etc., avoidedWhole cut front roller-way significantly before and after rock, reduced spare parts consumption amount, also significantly reduced the maintenance inspection of equipment simultaneouslyRepair rate, operating rate waters in the company of having improved conticaster, has improved the economic benefit of enterprise. The utility model is simple in structure, installation sideJust, reliable operation, can effectively reduce ejection frictional resistance.
Brief description of the drawings
Fig. 1 is the main cross-sectional schematic of the utility model;
Fig. 2 is the working state schematic representation of the utility model;
Fig. 3 is the A-A cross-sectional schematic of Fig. 2;
In figure: 1-leading truck, 2-directive wheel, 3-spacer ring, 4-bearing pin, 5-axle sleeve, 6-split pin, 7-steel billet, 8-conveying rollerRoad.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail, but never in any form the utility model is limitSystem, any conversion of doing based on the utility model training centre, all falls into the utility model protection domain.
As shown in Fig. 1 ~ 3, the utility model comprises leading truck 1, directive wheel 2, bearing pin 4, axle sleeve 5, described guiderEvery two is one group, is symmetrical arranged; Among described leading truck 1, bearing pin 4 is set; On described bearing pin 4, directive wheel 2 is set;Between described directive wheel 2 and bearing pin 4, axle sleeve 5 is set; Between the wheel rim of described directive wheel 2 and steel billet 7, gap is set; DescribedDirective wheel 2 and axle sleeve 5 between be interference fits; Between described axle sleeve 5 and bearing pin 4, it is matched in clearance; On described bearing pin 4Spacer ring 3 is set; Between the panel inner side of described spacer ring 3 end face and leading truck 1 outside axle sleeve 5; Described spacer ring 3 with leadBetween the panel inner side of frame 1, it is matched in clearance; Under described bearing pin 4, under end face and leading truck 1, between surface, arrange and openMouth pin 6.
Gap between described axle sleeve 5 and bearing pin 4 is 4 ~ 6mm.
Gap between described spacer ring 3 and the panel of leading truck 1 inner side is 4 ~ 6mm.
Within described spacer ring 3, footpath is than the large 8 ~ 12mm of the diameter of bearing pin 4.
Outside described spacer ring 3, footpath is 2 ~ 2.5 times of internal diameter.
The thickness of described spacer ring 3 is 12 ~ 16mm.
One end of described bearing pin 4 arranges cylinder step, and the other end arranges through hole, the diameter of through-hole diameter and split pin 6Adapt.
The end face that is provided with step of described bearing pin 4 is positioned at surface on leading truck 1.
The gap of the wheel rim of described directive wheel 2 and the side of steel billet 7 is 8～12mm.
Operation principle of the present utility model and the course of work:
Between axle sleeve 5 of the present utility model and bearing pin 4, be matched in clearance, gap is 4 ~ 6mm, simultaneously spacer ring 3 and leading truck 1Panel inner side between be also matched in clearance, gap is 4 ~ 6mm, and is interference fits between directive wheel 2 and axle sleeve 5. In employingState after structure, make directive wheel 2 in relative free state, directive wheel 2 in the horizontal direction, vertical direction all can play, eliminatesDirective wheel 2 thermal expansions, steel billet 7 be offset etc. and cause axle sleeve 5 and bearing pin 4 stuck, even at the cost of one's life, the phenomenon that directive wheel 2 can not rotate. ThisUtility model has effectively been avoided the increase of strand ejection frictional resistance, has extended guider, has cut making of front roller-way, withdrawal straightening machine etc.With the life-span, avoid whole significantly front and back of cutting front roller-way to rock, reduce spare parts consumption amount, also significantly reduce and established simultaneouslyStandby Maintenance and Repair rate, operating rate waters in the company of having improved conticaster.
Claims (9)
1. the conticaster that can effectively reduce ejection frictional resistance is cut a front roller-way guider, comprises leading truck (1), directive wheel(2), bearing pin (4), axle sleeve (5), every two of described guider is one group, is symmetrical arranged; Among described leading truck (1)Bearing pin (4) is set; On described bearing pin (4), directive wheel (2) is set; Between described directive wheel (2) and bearing pin (4), axle sleeve is set(5); Between the wheel rim of described directive wheel (2) and steel billet (7), gap is set; It is characterized in that: described directive wheel (2) and axle sleeve(5) between, be interference fits; Between described axle sleeve (5) and bearing pin (4), it is matched in clearance; Described bearing pin (4) is upper arrange everyCircle (3); Described spacer ring (3) is positioned between the panel inner side of end face and leading truck (1) outside axle sleeve (5); Described spacer ring (3)And the panel of leading truck (1) is matched in clearance between inner side; Surface under end face and leading truck (1) under described bearing pin (4)Between split pin (6) is set.
2. the conticaster that can effectively reduce ejection frictional resistance according to claim 1 is cut front roller-way guider, its spyLevy and be: the gap between described axle sleeve (5) and bearing pin (4) is 4 ~ 6mm.
3. the conticaster that can effectively reduce ejection frictional resistance according to claim 1 is cut front roller-way guider, its spyLevy and be: the gap between described spacer ring (3) and the panel of leading truck (1) inner side is 4 ~ 6mm.
4. the conticaster that can effectively reduce ejection frictional resistance according to claim 1 is cut front roller-way guider, its spyLevy and be: within described spacer ring (3), footpath is than the large 8 ~ 12mm of diameter of bearing pin (4).
5. the conticaster that can effectively reduce ejection frictional resistance according to claim 1 is cut front roller-way guider, its spyLevy and be: outside described spacer ring (3), footpath is 2 ~ 2.5 times of internal diameter.
6. the conticaster that can effectively reduce ejection frictional resistance according to claim 1 is cut front roller-way guider, its spyLevy and be: the thickness of described spacer ring (3) is 12 ~ 16mm.
7. the conticaster that can effectively reduce ejection frictional resistance according to claim 1 is cut front roller-way guider, its spyLevy and be: one end of described bearing pin (4) arranges cylinder step, and the other end arranges through hole, the diameter of through-hole diameter and split pin (6)Adapt.
8. the conticaster that can effectively reduce ejection frictional resistance according to claim 1 is cut front roller-way guider, its spyLevy and be: the end face that is provided with step of described bearing pin (4) is positioned at surface on leading truck (1).
9. the conticaster that can effectively reduce ejection frictional resistance according to claim 1 is cut front roller-way guider, its spyLevy and be: the gap of the wheel rim of described directive wheel (2) and the side of steel billet (7) is 8～12mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520880355.4U CN205254065U (en) | 2015-11-07 | 2015-11-07 | Preceding roll table guider is cut to conticaster that can effectively reduce ejection frictional resistance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520880355.4U CN205254065U (en) | 2015-11-07 | 2015-11-07 | Preceding roll table guider is cut to conticaster that can effectively reduce ejection frictional resistance |
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| CN205254065U true CN205254065U (en) | 2016-05-25 |
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| CN201520880355.4U Active CN205254065U (en) | 2015-11-07 | 2015-11-07 | Preceding roll table guider is cut to conticaster that can effectively reduce ejection frictional resistance |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105964961A (en) * | 2016-06-23 | 2016-09-28 | 江苏永钢集团有限公司 | Steel billet guiding and conveying device for continuous casting machine |
| CN108465705A (en) * | 2018-05-09 | 2018-08-31 | 大冶特殊钢股份有限公司 | A kind of anti-jamming cooling-bed apron plate side wheel being conveniently replaceable |
| CN111360218A (en) * | 2020-04-20 | 2020-07-03 | 中冶京诚工程技术有限公司 | Withdrawal and straightening machine and square and round billet continuous casting machine |
-
2015
- 2015-11-07 CN CN201520880355.4U patent/CN205254065U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105964961A (en) * | 2016-06-23 | 2016-09-28 | 江苏永钢集团有限公司 | Steel billet guiding and conveying device for continuous casting machine |
| CN108465705A (en) * | 2018-05-09 | 2018-08-31 | 大冶特殊钢股份有限公司 | A kind of anti-jamming cooling-bed apron plate side wheel being conveniently replaceable |
| CN108465705B (en) * | 2018-05-09 | 2023-12-22 | 大冶特殊钢有限公司 | Anti-jamming cooling bed apron board side wheel convenient to replace |
| CN111360218A (en) * | 2020-04-20 | 2020-07-03 | 中冶京诚工程技术有限公司 | Withdrawal and straightening machine and square and round billet continuous casting machine |
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