CN104148604A - Co-stand-column integral small-roller-space dynamic pressing-down tension leveler - Google Patents
Co-stand-column integral small-roller-space dynamic pressing-down tension leveler Download PDFInfo
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- CN104148604A CN104148604A CN201410415710.0A CN201410415710A CN104148604A CN 104148604 A CN104148604 A CN 104148604A CN 201410415710 A CN201410415710 A CN 201410415710A CN 104148604 A CN104148604 A CN 104148604A
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Abstract
The invention discloses a co-stand-column integral small-roller-space dynamic pressing-down tension leveler. The tension leveler is a co-stand-column tension leveler with the smallest roller space of 550 mm. The tension leveler is suitable for a continuous casting machine with the basic arc radius R equal to 6 m to 12 m and the number of roller pairs is 2 to 10. The center of each pair of upper roller and lower roller is arranged on a normal of a straightening curve, every two adjacent rollers share one set of supporting stand columns, the upper rollers vertically move respectively along sliding ways on the two sides of each stand column, and hydraulic cylinders internally provided with displacement sensors can precisely control the rolling reduction of the upper rollers and dynamically adjust the roller gaps. Hydraulic cylinder supports of every two adjacent hydraulic cylinders share one set of supporting stand columns, and finally two pairs of upper rollers and lower rollers can be throwing rollers, slight pressing-down rollers and degerming rollers. The tension leveler is compact in structure and small in roller space, more pressing-down rollers can be arranged in the short liquid phase area, the multi-point pressing-down requirement of the process can be met, in the process that the tension leveler transits to the horizontal segment from the arc-shaped segment in a straightening mode, the dynamic pressing-down function of the tension leveler can be achieved, and dummy bar conveying, dummy ingot falling and throwing straightening tasks can be completed.
Description
Technical field
The present invention relates to the integrated pony roll spacing of common column dynamic draught withdrawal straightening machine, be specially billet caster band multiple spot dynamic draught withdrawal straightening machine, belong to metallurgy industry technical field of metallurgical machinery.
Background technology
In strand continuous casting process, generally can there is the defects such as center segregation and center porosity in strand inside, be subject to the impact of composition and casting blank solidification characteristic, center segregation and the center porosity defect of carbon equivalent high steel grade strand are even more serious, dynamic draught technology is controlled strand interior solid degree and homogenieity by depressing online the solidification shrinkage at compensation strand center, thereby plays the object that promotes Inner Quality of Billet, improves continuous casting production efficiency.By on-line tracing casting blank solidification process, in time at correct position, implement to depress or dynamically adjust roll gap and be called dynamic draught.In recent years, along with improving constantly that user requires slab quality, the withdrawal straightening machine with dynamic soft-reduction, heavy press function is more and more subject to user's favor.
With the billet caster of dynamic draught because of casting machine radius little, casting blank section is little, the liquid phase region length that can be used for dynamic draught is short, must in limited scope, arrange more depress roller, and strand is depressed and made it that deformation occur; Realize dynamic draught, must in time at correct position, implement to depress or dynamically adjust roll gap according to tracking results, therefore each top roll must be able to be controlled separately; Because there is deformation in strand, to improve Inner Quality of Billet, the line of centres of every a pair of top roll and lower roll must be arranged on aligning normal to a curve, that is the vertical center line of hydraulic cylinder and the vertical center line of rack slide all overlap with arc strand normal, and can adapt to different casting blank section.
Existing little square billet withdrawal straightening machine is generally five roller progressive straightening withdrawal straightening machines (as shown in Figure 1) of integral-rack, in frame, have 5 rollers, wherein only have two top rolls, top roll pivoted arm one end is hinged on frame bearing by rotating shaft, the other end and hydraulic cylinder are hinged, under Driven by Hydraulic Cylinder, top roll circles around the shaft.Its weak point is: (1) for different casting blank sections, the line of centres of up-down rollers can not be all vertical with aligning curve, can not be applicable to gently depress operating mode; (2) pivoted arm structure takes up room greatly, in limited aligning district, can only arrange a top roll, arranges another top roll on horizontal segment, cannot meet the requirement that multiple spot is depressed in good time;
Existing bloom withdrawal straightening machine is generally the continuous progressive straightening withdrawal straightening stands of multi-frame multiple spot (as shown in Figure 2), every group of withdrawal straightening machine is independent rack, lower roll in frame is free roll, and top roll can, with hydraulic cylinder and transmission device, can be realized depressing and straightening function of strand.But the weak point of this kind of type is: independent rack takes up room larger, between each top roll, roller spacing is larger, can not meet equally the requirement with the little square billet withdrawal straightening machine pony roll spacing of dynamic draught.
Utility model patent < < continuous small-billet casting gently depress Blank drawing machine > > (application number: CN201320290601.1) described device comprises 6 throwing unit, mould adobe blocks unit and two free rolls, its weak point is without moulding adobe blocks device in throwing unit; Utility model patent < < continuous casting billet withdrawal straightening machine device > > with light press function (application number: CN02289305.9) described device is that small diameter closing arrangement roller is fixed on same framework, its weak point is to realize each top roll of independent control, and the center of up-down rollers can not be all the time on aligning normal to a curve; The withdrawal straightening stands > > of the continuous progressive straightening technology of frame multiple spot such as new patent < < has (application number: be CN200920030967.9) that each group smoothing roll is fixed in a frame, between every two groups of smoothing rolls, there are 2 columns, it is larger that its weak point is that column takes up room, and cannot meet the requirement with the little square billet withdrawal straightening machine pony roll spacing of dynamic draught; Patent of invention < < dual 5-roller frames progressive straightening withdrawal straightening machine > > (application number: CN01112954.9) same existence cannot meet the problem that requires with the little square billet withdrawal straightening machine pony roll spacing of dynamic draught.
Summary of the invention
The object of the invention is for not enough described in background technology, design a kind of integrated pony roll spacing of common column multiple spot dynamic draught withdrawal straightening machine that is exclusively used in billet caster, be applicable to elementary arc radius R=(6～12m), roller logarithm is (2～10) right conticaster, roller spacing minimum of a value can reach 550mm; The center of every a pair of up-down rollers is arranged on aligning normal to a curve; Every adjacent two rollers share a support post, and the slideway along column both sides moves up and down respectively; The hydraulic cylinder of inbuilt displacement sensor can accurately be controlled the drafts of top roll and dynamically adjust roll gap; The hydraulic cylinder bearing of every adjacent two hydraulic cylinders is also to share a support post, and by bolt-connection together, rear two pairs of up-down rollers are throwing, gently depress pair roller two hydraulic cylinder bearings of supporting cylinder, are also the pair rollers of moulding adobe blocks.Compact conformation, roller spacing is little, in shorter liquid phase region, arrange more depress roller, meet the parameter request of multipoint pressing in technique, greatly promote Inner Quality of Billet and continuous casting production efficiency, this withdrawal straightening machine can realized dynamic draught function from segmental arc through aligning the process that is transitioned into horizontal segment, reaches the object that promotes Inner Quality of Billet, improves continuous casting production efficiency; Can complete again the task of sending dummy bar, deingot and throwing aligning simultaneously.
Technical scheme of the present invention is: being total to the integrated pony roll spacing of column dynamic draught withdrawal straightening machine, is the common pillar construction withdrawal straightening machine that roller spacing minimum of a value is 550mm; The hydraulic cylinder, column, base, slide, anti-twisting equipment, cooling device and the drive unit that comprise upper and lower pair roller, inbuilt displacement sensor, described column has two groups totally 14 of front and back, and two groups of front and back column is supported on the base of front and back accordingly; Described upper and lower pair roller has six pairs, and wherein six lower rolls are to be fixed in the free roll on the installed surface of base band angle, six top rolls to have four to be live-roller, and another two is free roll; The center of every a pair of up-down rollers is arranged on aligning normal to a curve; Corresponding with described six top rolls have six hydraulic cylinders, and the slide of described hydraulic cylinder and fixedly top roll is hinged, in hydraulic cylinder all with displacement transducer; It is characterized in that:
Two groups of described front and back column respectively has seven, to enter billet be the first root post, go out billet is the 7th root post, wherein the first, the 7th root post only has slideway in inner side, from the second both sides to six roots of sensation column, all there is slideway, form two adjacent pair of rollers and share a support post, each top roll of described Driven by Hydraulic Cylinder moves up and down along the slideway on two heel posts respectively;
Between two hydraulic cylinder bearings of described each hydraulic cylinder of support and column, have wedge or bolt to be fixed together, the hydraulic cylinder bearing of every adjacent two hydraulic cylinders also shares a support post;
The opening degree of described the 5th, the 6th pair of up-down rollers is all greater than the opening degree of front four pairs of up-down rollers;
Described the 5th, the 6th pair of up-down rollers is throwing, gently depresses pair roller, is also the pair roller of moulding adobe blocks.
Preferably, described pair roller minimum number is two pairs, can reach at most ten pairs; When pair roller quantity is two pairs, two top rolls are live-rollers; When pair roller quantity is ten pairs, in ten top rolls, can need arbitrary disposition live-roller quantity according to technique, the first, the tenth root post only has slideway in inner side, from the second both sides to the 9th root post, all there is slideway, form two adjacent pair of rollers and share a support post, each top roll of described Driven by Hydraulic Cylinder moves up and down along the slideway on two heel posts respectively.
The invention has the beneficial effects as follows:
(1) compact conformation, roller spacing minimum of a value can reach 550mm, in shorter liquid phase region, can arrange more depress roller, meets the parameter request of multipoint pressing in technique, greatly promotes Inner Quality of Billet and continuous casting production efficiency;
(2) can control separately each top roll, in time at correct position, implement to depress or dynamically adjust roll gap, really realize dynamic draught;
(3) center of every a pair of up-down rollers is arranged on aligning normal to a curve, and while depressing, strand is subject to normal pressure all the time, is not subject to tangential force, can adapt to multiple section and guarantee slab quality;
(4) can need arbitrary disposition transmission device quantity according to technique according to calculating the quantity that increases transmission device, there is enough slab drawing powers, can adapt to various drafts and various casting blank section;
(5) can on a set of equipment, meet and send dummy bar, throwing aligning, dynamic draught and the function of moulding adobe blocks simultaneously, the mechanism that moulds adobe blocks is set no longer in addition, reduce cost;
(6) every group of top roll can be extracted out separately together with hydraulic cylinder, hydraulic cylinder bearing, transmission device, slide, is easy to dismounting, and the repair time is short, and spare parts consumption amount is few.
Accompanying drawing explanation
Fig. 1 is five roller progressive straightening withdrawal straightening machine schematic diagrames of existing integral-rack;
Fig. 2 is the continuous progressive straightening withdrawal straightening stands of existing bloom multi-frame multiple spot schematic diagram;
Fig. 3 is total to the integrated pony roll spacing of column dynamic draught withdrawal straightening machine arrangement schematic diagram for the present invention;
Fig. 4 is the present invention's integrated pony roll spacing of column dynamic draught withdrawal straightening machine structural representation altogether;
Fig. 5 is single group column left view;
Fig. 6 be in Fig. 5 H-H to cutaway view;
Fig. 7 be in Fig. 4 D to view;
Fig. 8 is E-E revolved sectional view in Fig. 7;
Fig. 9 is that hydraulic cylinder bearing and column D when with bolts is to view;
Figure 10 is B-B cutaway view in Fig. 9;
Figure 11 be in Figure 10 C-C to view.
Mark in figure: 1-slideway, 2-top roll, 3-lower roll, 4-2# column, 5-base, 6-protective cover, 7-decelerator, 8-motor, 9-slide, 10-3# hydraulic cylinder left support abutment, 11-3# hydraulic cylinder right support abutment, 12-short stroke hydraulic cylinder, 13-long stroke hydraulic cylinder, 14-displacement transducer, 17-backwater cavity, 18-cooling water connector, 19-water chamber; 20-cooling water dividing plate, 21-2# hydraulic cylinder, 22-1# hydraulic cylinder right support abutment, 23-2# hydraulic cylinder left support abutment, 24-2# hydraulic cylinder right support abutment, 25-3# hydraulic cylinder left support abutment, 26-wedge, 27-attachment bolt, 28-pin, 29-3# column, 31-connecting bolt, 32-anti-rotary seat, 33-cover plate, 34-hex screw.
The specific embodiment
Below in conjunction with accompanying drawing, the enforcement of technical scheme is described in further detail:
As shown in Figure 3, the present invention is the integrated pony roll spacing of column dynamic draught withdrawal straightening machine altogether, in work, strand passes through respectively basic segmental arc by direction of advance, aligning curved section and horizontal segment, elementary arc radius is 6～12m, roller logarithm is minimum is 2 pairs, can reach at most 10 pairs, each roller diameter can be 280～500mm, in the embodiment of the present invention, there are 6 pairs of up-down rollers, wherein 6 lower rolls are free rolls, in 6 top rolls, the 1st, the 2nd, the 4th, totally 4 of 6() top roll is live-roller, the the 3rd and the 5th top roll is free roll, owing to adopting pillar construction altogether, adjacent roller between minimum spacing can reach 550mm, this close-coupled in shorter liquid phase region, arrange more depress roller structure, can meet to greatest extent the parameter request of multipoint pressing in technique, greatly promote Inner Quality of Billet and continuous casting production efficiency.
As shown in accompanying drawing 4～8, the present invention altogether integrated pony roll spacing of column dynamic draught withdrawal straightening machine is comprised of six groups of slideways 1, six top rolls 2, six lower rolls 3, seven columns 4, base 5, six groups of protective covers 6, quadruplet decelerator 7 and motor 8, six slides 9, six left hydraulic cylinder bearings 10, six right hydraulic cylinder bearings 11, four short stroke hydraulic cylinders 12, two long stroke hydraulic cylinders 13 and six displacement transducers 14 being built on hydraulic cylinder 13.Wherein six lower rolls 3 are free roll, are fixed on the installed surface of base 5 with angle, and in six top rolls 2, four is live-roller (1,2,4,6 roller), and two is free roll (3,5 roller).Together with every group of left hydraulic cylinder bearing 10 is bolted with right hydraulic cylinder bearing 11, for hydraulic cylinder 12 and 13 are installed, the slide 9 of the earrings of hydraulic cylinder 12 and 13 piston rod head and fixedly top roll 2 is hinged, top roll of each Driven by Hydraulic Cylinder.
Accompanying drawing 5 is single group portal frame shape column schematic diagrames, Fig. 6 be Fig. 5 along H-H cutaway view, from Fig. 5,6, can find out, slideway 1 is positioned at both sides, column top.On every root post, also have backwater cavity 17, cooling water connector 18, water chamber 19 and cooling water dividing plate 20.
As shown in Figure 4, column I～VII is that integral body is connected on base 5, the left side of the right side of column I and column II forms article one slideway, and 1# top roll and coupled slide, decelerator, motor move up and down at the downward article one slideway of driving of 1# hydraulic cylinder.Together with 1# hydraulic cylinder left support abutment passes through bolt-connection with hydraulic cylinder right support abutment, for 1# hydraulic cylinder is installed, 1# hydraulic cylinder left support abutment is fixed on the top of column I by wedge 26, and 1# hydraulic oil right support abutment is fixed on the top of column II by wedge attachment bolt 26.
The left side of the right side of column II and column III forms second slideway, and 2# top roll and coupled slide, decelerator, motor move up and down at the downward second slideway of driving of 2# hydraulic cylinder.Together with 2# hydraulic cylinder left support abutment passes through bolt-connection with hydraulic cylinder right support abutment, for 2# hydraulic cylinder is installed, 2# hydraulic cylinder left support abutment is fixed on the top of column II by wedge 26, and 2# hydraulic cylinder right support abutment is fixed on the top of column III by wedge 26.
By that analogy, as shown in Figure 4, column I right side and column II left side form article one slideway and move up and down for 1# top roll, column II right side and column III left side form second slideway and move up and down for 2# top roll, column III right side and IV column left side form the 3rd slideway and move up and down for 3# top roll, column IV right side and column V left side form the 4th slideway and move up and down for 4# top roll, column V right side and column VI left side form the 5th slideway and move up and down for 5# top roll, column VI right side and column VII left side form the 6th slideway and move up and down for 6# top roll.
As shown in Figure 4,1# hydraulic cylinder left support abutment is fixed on the top of column I, 1# hydraulic cylinder right support abutment and 2# hydraulic cylinder left support abutment are fixed on the top of column II, 2# hydraulic cylinder right support abutment and 3# hydraulic cylinder left support abutment are fixed on the top of column III, 3# hydraulic cylinder right support abutment and 4# hydraulic cylinder left support abutment are fixed on the top of column IV, 4# hydraulic cylinder right support abutment and 5# hydraulic cylinder left support abutment are fixed on the top of column V, 5# hydraulic cylinder right support abutment and 6# hydraulic cylinder left support abutment are fixed on the top of column VI, and 6# hydraulic cylinder right support abutment is fixed on the top of column VII.
Hydraulic cylinder 12,13 is all built-in with displacement transducer 14, can accurately control the drafts of top roll and dynamically adjust roll gap.The stroke of hydraulic cylinder 13 is greater than hydraulic cylinder 12, and dummy bar can be passed through smoothly.Protective cover 6 is installed on the inner side of column 4, and peripheral equipment is carried out to heat insulation protection, and protective cover can adopt water-cooling cover or stay-warm case.
As shown in accompanying drawing 7～8,2# hydraulic cylinder left support abutment 23 is fixed together by attachment bolt 27 with 2# hydraulic cylinder right support abutment 24, be used for installing 2# hydraulic cylinder 21,1# hydraulic cylinder right support abutment 22 is squeezed into pin 28 with 2# hydraulic cylinder left support abutment 23 by wedge 26 and is separately fixed at column II top, 2# hydraulic cylinder right support abutment 24 is also to squeeze into by wedge 26 top that pin 28 is separately fixed at column III with 3# hydraulic cylinder left support abutment 25, by that analogy to the mounting means of remaining fluid cylinder pressure bearing.
As shown in accompanying drawing 9～11, the D while being hydraulic cylinder bearing and column mode with bolts is to view, and the B-B that represents connecting bolt is to cutaway view and C-C to cutaway view.Because column top installing space is very little, 1# hydraulic cylinder right support abutment 22 can only adopt concave-convex with 2# hydraulic cylinder left support abutment 23,1# hydraulic cylinder right support abutment 22 middle part projections, and 2# hydraulic cylinder left support abutment 23 middle parts are recessed.Because the connecting bolt of 1# hydraulic cylinder right support abutment 22 and 2# hydraulic cylinder right support abutment 24 is in inner side, spanner space is inadequate, dismounting is very difficult, therefore the lower surface at column top board has welded anti-rotary seat 32, one group of connecting bolt 31 of column inner side penetrates from down, the outer-hexagonal of connecting bolt 31 ends is just in time stuck in interior six sides of anti-rotary seat 32, to reach the object of anti-rotation.When dismounting, for preventing that connecting bolt 31 from dropping out, thus on anti-rotary seat 32, designed cover plate 33, and fixing with soket head cap screw 34.
These are only embodiments of the invention, but be not limited to the present invention, all any modifications of making, be equal to replacement or improvement etc., within all should being included in claim scope of the present invention within the present invention spirit and principle.
Claims (2)
1. being total to the integrated pony roll spacing of column dynamic draught withdrawal straightening machine, is the common pillar construction withdrawal straightening machine that roller spacing minimum of a value is 550mm; The hydraulic cylinder, column, base, slide, anti-twisting equipment, cooling device and the drive unit that comprise upper and lower pair roller, inbuilt displacement sensor, described column has two groups totally 14 of front and back, and two groups of front and back column is supported on the base of front and back accordingly; Described upper and lower pair roller has six pairs, and wherein six lower rolls are to be fixed in the free roll on the installed surface of base band angle, six top rolls to have four to be live-roller, and another two is free roll; The center of every a pair of up-down rollers is arranged on aligning normal to a curve; Corresponding with described six top rolls have six hydraulic cylinders, and the slide of described hydraulic cylinder and fixedly top roll is hinged, in hydraulic cylinder all with displacement transducer; It is characterized in that:
Two groups of described front and back column respectively has seven, to enter billet be the first root post, go out billet is the 7th root post, wherein the first, the 7th root post only has slideway in inner side, from the second both sides to six roots of sensation column, all there is slideway, form two adjacent pair of rollers and share a support post, each top roll of described Driven by Hydraulic Cylinder moves up and down along the slideway on two heel posts respectively;
Between two hydraulic cylinder bearings of described each hydraulic cylinder of support and column, have wedge or bolt to be fixed together, the hydraulic cylinder bearing of every adjacent two hydraulic cylinders also shares a support post;
The opening degree of described the 5th, the 6th pair of up-down rollers is all greater than the opening degree of front four pairs of up-down rollers;
Described the 5th, the 6th pair of up-down rollers is throwing, gently depresses pair roller, is also the pair roller of moulding adobe blocks.
2. the integrated pony roll spacing of column dynamic draught withdrawal straightening machine altogether as claimed in claim 1, is characterized in that: described pair roller minimum number is two pairs, can reach at most ten pairs; When pair roller quantity is two pairs, two top rolls are live-rollers; When pair roller quantity is ten pairs, in ten top rolls, can need arbitrary disposition live-roller quantity according to technique, the first, the tenth root post only has slideway in inner side, from the second both sides to the 9th root post, all there is slideway, form two adjacent pair of rollers and share a support post, each top roll of described Driven by Hydraulic Cylinder moves up and down along the slideway on two heel posts respectively.
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| CN201410415710.0A CN104148604B (en) | 2014-08-22 | 2014-08-22 | Column integration pony roll spacing dynamic draught withdrawal straightening machine altogether |
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| CN201410415710.0A CN104148604B (en) | 2014-08-22 | 2014-08-22 | Column integration pony roll spacing dynamic draught withdrawal straightening machine altogether |
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| CN104148604A true CN104148604A (en) | 2014-11-19 |
| CN104148604B CN104148604B (en) | 2016-04-06 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105344957A (en) * | 2015-11-10 | 2016-02-24 | 中冶京诚工程技术有限公司 | Fan-shaped section type withdrawal and straightening device and withdrawal and straightening equipment |
| CN105364041A (en) * | 2015-11-10 | 2016-03-02 | 中冶京诚工程技术有限公司 | Densely arranged dual-roll continuous withdrawal and straightening device and withdrawal and straightening equipment |
| CN106513610A (en) * | 2016-11-18 | 2017-03-22 | 上海耀秦冶金设备技术有限公司 | Centralized-driven pulling-straightening device with closely-arranged rollers and continuous casting machine adopting same |
| CN108097903A (en) * | 2018-02-22 | 2018-06-01 | 江阴兴澄特种钢铁有限公司 | A kind of wedge-shaped connection strap for connecting adjacent withdrawal straightening machine |
| CN108284209A (en) * | 2018-01-19 | 2018-07-17 | 山东钢铁集团日照有限公司 | A kind of anti-lateral pull device of fan-shaped sections of slab continuous |
| CN109226707A (en) * | 2018-11-16 | 2019-01-18 | 大连华锐重工集团股份有限公司 | A kind of fan-shaped segmentation of bloom |
| CN109482830A (en) * | 2018-12-13 | 2019-03-19 | 中冶南方连铸技术工程有限责任公司 | Memorial archway formula withdrawal straightening machine and the billet caster depressed using it |
| CN113118397A (en) * | 2021-03-15 | 2021-07-16 | 上海二十冶建设有限公司 | Integral base of vertical continuous casting machine light pressure module and adjusting method thereof |
| CN113128029A (en) * | 2021-03-26 | 2021-07-16 | 麦格瑞（北京）智能科技有限公司 | Method and device for improving internal quality of large-section round billet |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105344957A (en) * | 2015-11-10 | 2016-02-24 | 中冶京诚工程技术有限公司 | Fan-shaped section type withdrawal and straightening device and withdrawal and straightening equipment |
| CN105364041A (en) * | 2015-11-10 | 2016-03-02 | 中冶京诚工程技术有限公司 | Densely arranged dual-roll continuous withdrawal and straightening device and withdrawal and straightening equipment |
| CN105344957B (en) * | 2015-11-10 | 2018-02-09 | 中冶京诚工程技术有限公司 | A kind of fan-shaped segment type straightening device and pulling-straightening equipment |
| CN105364041B (en) * | 2015-11-10 | 2018-06-08 | 中冶京诚工程技术有限公司 | A kind of continuous straightening device of solid matter double roller and pulling-straightening equipment |
| CN106513610A (en) * | 2016-11-18 | 2017-03-22 | 上海耀秦冶金设备技术有限公司 | Centralized-driven pulling-straightening device with closely-arranged rollers and continuous casting machine adopting same |
| CN108284209A (en) * | 2018-01-19 | 2018-07-17 | 山东钢铁集团日照有限公司 | A kind of anti-lateral pull device of fan-shaped sections of slab continuous |
| CN108097903A (en) * | 2018-02-22 | 2018-06-01 | 江阴兴澄特种钢铁有限公司 | A kind of wedge-shaped connection strap for connecting adjacent withdrawal straightening machine |
| CN109226707A (en) * | 2018-11-16 | 2019-01-18 | 大连华锐重工集团股份有限公司 | A kind of fan-shaped segmentation of bloom |
| CN109482830A (en) * | 2018-12-13 | 2019-03-19 | 中冶南方连铸技术工程有限责任公司 | Memorial archway formula withdrawal straightening machine and the billet caster depressed using it |
| CN113118397A (en) * | 2021-03-15 | 2021-07-16 | 上海二十冶建设有限公司 | Integral base of vertical continuous casting machine light pressure module and adjusting method thereof |
| CN113128029A (en) * | 2021-03-26 | 2021-07-16 | 麦格瑞（北京）智能科技有限公司 | Method and device for improving internal quality of large-section round billet |
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