CN205599890U - Vertical slab caster dummy bar of super heavv section - Google Patents
Vertical slab caster dummy bar of super heavv section Download PDFInfo
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- CN205599890U CN205599890U CN201620371042.0U CN201620371042U CN205599890U CN 205599890 U CN205599890 U CN 205599890U CN 201620371042 U CN201620371042 U CN 201620371042U CN 205599890 U CN205599890 U CN 205599890U
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- chain link
- dummy bar
- head
- bar head
- slab caster
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052802 copper Inorganic materials 0.000 claims abstract description 6
- 239000010949 copper Substances 0.000 claims abstract description 6
- 238000005266 casting Methods 0.000 description 20
- 229910000831 Steel Inorganic materials 0.000 description 19
- 239000010959 steel Substances 0.000 description 19
- 238000010586 diagram Methods 0.000 description 8
- 238000009749 continuous casting Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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- Continuous Casting (AREA)
Abstract
The utility model provides a vertical slab caster dummy bar of super heavv section, includes the dummy ingot head, the dummy ingot head is through a round pin axle connecting -rod body, the body of rod comprises the pole main part welt outer with being located the pole main part, the pole main part is connected gradually through round pin axle no. 2 by a plurality of chain links and constitutes, the chain link includes chain link no. 1, chain link no. 2 and chain link no. 3, and wherein, a chain link front end has the notch, is connected with the plush copper block that the dummy ingot was held end to end, and the front end of chain link no. 2 is L shape, and with the L shape dog cooperation of a chain link tail end, the front end of chain link no. 3 is L shape, and is with the L shape dog cooperation of two tail ends of chain link, feasible between two front ends of chain link and the chain link tail end to and between two tail ends of chain link and chain link three front ends, the homoenergetic is enough done the low -angle around corresponding round pin axle no. 2 and is rotated, the utility model discloses dummy bar design becomes to be similar to inflexible structure to satisfy each different section requirement, adapt to vertical caster's characteristics.
Description
Technical field
The invention belongs to metallurgical technology field, relate to super thick section vertical slab caster equipment, particularly to
A kind of super thick section Vertical Slab Caster dummy bar.
Background technology
During tissue at the steel casting of super thick section produces at present, the general form using molding, but mould
Casting process can not meet the demand of production in enormous quantities, and die casting process is for the special steel casting of super thick section
For part, easily produce the casting flaws such as being mingled with of cast-internal, shrinkage cavity, pore, and the conjunction of finished product
Lattice rate is relatively low.
In order to overcome these problems, introduce super thick section vertical casting machine design concept, and at continuous casting installation for casting
In, dummy bar is the capital equipment of super thick section vertical continuous casting production line, and its use is vertical at super thick section
On slab caster, being used to clog crystalliser feet, the molten steel solidification making to pour in crystallizer at first is also
It is connected with dummy bar head, then by the driving roller of two cold-zone deflector rolls by the strand continuously company of pull-out
The visual plant of casting machine.Existing dummy bar is single bar structure, it is impossible to adapt to each different breaking
Face requirement.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, it is an object of the invention to provide a kind of super thick section and stand
Formula Slab Caster Dummy Bar, is designed to approximate the structure of rigidity, to meet each different section requirement,
Adapt to the feature of vertical casting machine.
To achieve these goals, the technical solution used in the present invention is:
A kind of super thick section Vertical Slab Caster dummy bar, including dummy bar head 1, dummy bar head 1 passes through pin
Axle 1 connecting-rod body, the described body of rod is made up of bar main body and the liner plate 5 being positioned at outside bar main body, described bar
Main body is sequentially connected with by multiple chain links is constituted by bearing pin 24.
Described chain link includes chain link 1, chain link 26 and chain link 37, and wherein, chain link 1 front end has recessed
Mouthful, it being connected together with the plush copper of dummy bar head 1 tail end, the front end of chain link 26 is L-shaped, with chain link 1
The L-shaped block of tail end coordinates, and the front end of chain link 37 is L-shaped, with the L-shaped block of chain link 26 tail end
Coordinate so that between described chain link 26 front end and chain link 1 tail end, and chain link 26 tail end and chain
Save between 37 front ends, all can do Small-angle Rotation around corresponding bearing pin 24.
Described Small-angle Rotation refers to rotational angle 0.5～1 °.
Described dummy bar head 1 includes dummy bar head body 102 and nut assembly 103, dummy bar head body 102
End face is L-shaped, and wherein vertical plane is connected with base head 101 by nut assembly 103, and horizontal plane is arranged
Having the groove 104 of opening upwards, during to guarantee to clog dummy bar head, cold steel deposits and waters base head when steel starts
Cooling.
Described groove 104 is single cavity or double flute, and trough rim is along there being ledge in groove.
Two sides of described dummy bar head body 102 are each provided with one and adjust backing plate 105.
The upper periphery of described dummy bar head body 102 all uses the structure of big chamfering to design.
Produce for the molding of large section special steel, it is provided that a kind of vertical continuous casting production technology, the present invention
Dummy bar is applicable to this vertical continuous casting production technology, may replace the molding of present stage big cross section special steel and produces work
Skill, both can guarantee that symmetry and the quality of product of strand metal macrostructure, and can improve again production efficiency.
Meanwhile, dummy bar head structure of the present invention can adapt to the equipment of different size section, adapts to above-mentioned technique, both
Can guarantee that symmetry and the quality of product of strand metal macrostructure, production efficiency can be improved again.
Specifically:
(1) the structure design using big chamfering can guarantee that dummy bar head can smoothly enter the knot of vertical casting machine
In brilliant device.
(2) filling after dummy bar head entrance crystallizer is guaranteed.
(3), after slab cuts off, owing to dummy bar head uses form of grooves design, base head forms one with dummy bar head
Individual hook connects, and the bolt assembly on dummy bar head then becomes with molten steel solidification when molten steel injects crystallizer
One entirety, becomes a part for slab head, so when slab is after flame cutting machine, and energy
Guarantee base head, the connection of dummy bar head and with dummy bar output together.
(4) after dummy bar off-line, base head, dummy bar head can separate smoothly, then be by unclamping bolt assembly
Nut, and cut off after bolt with cutting machine, strand head is under gravity, rotational automatic around A point
Separate smoothly.
(5) adjustment of dummy bar head width, then be by the thickness adjusting backing plate group in dummy bar head both sides,
Realize the conversion of width.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
Fig. 2 is chain link one structural representation of the present invention.
Fig. 3 is chain link two structural representation of the present invention.
Fig. 4 is chain link three structural representation of the present invention.
Fig. 5 is dummy bar head structure schematic diagram of the present invention.
Fig. 6 is another angle schematic diagram of dummy bar head structure of the present invention.
Fig. 7 is dummy bar head of the present invention and base head connection status schematic diagram.
Fig. 8 is dummy bar head of the present invention and base head released state schematic diagram.
Fig. 9 is dummy bar Design of length schematic diagram of the present invention.
Figure 10 is dummy bar width design schematic diagram of the present invention.
Figure 11 is rotation schematic diagram between chain link of the present invention.
Detailed description of the invention
Embodiments of the present invention are described in detail below in conjunction with the accompanying drawings with embodiment.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of super thick section Vertical Slab Caster dummy bar,
Including dummy bar head 1, dummy bar head 1 is by bearing pin 1 connecting-rod body, and the body of rod is by bar main body and is positioned at bar master
External liner plate 5 forms, and bar main body is sequentially connected with by multiple chain links is constituted by bearing pin 24.Chain link bag
Including chain link 1, chain link 26 and chain link 37, wherein, there is recess chain link 1 front end, with dummy bar head 1
The plush copper of tail end is connected together, and the front end of chain link 26 is L-shaped, with the L-shaped block of chain link 1 tail end
Coordinating, the front end of chain link 37 is L-shaped, coordinates with the L-shaped block of chain link 26 tail end so that described
Between chain link 26 front end and chain link 1 tail end, and between chain link 26 tail end and chain link 37 front end,
The Small-angle Rotation of 0.5～1 ° all can be done around corresponding bearing pin 24.So that dummy bar is generally
A kind of structure approximating rigidity, and adapt to each different section requirement.
As shown in Figure 5 and Figure 6, the dummy bar head of the present invention, including dummy bar head body 102 and nut assembly
103, nut assembly 103 includes bolt and nut.The end face of dummy bar head body 102 is L-shaped, wherein
Vertical plane is connected with base head 101 by nut assembly 103, and horizontal plane is provided with the groove of opening upwards
104.Groove 104 can be single cavity or double flute, it is also possible to for " pawl " shape, trough rim is prominent along having in groove
Part.Two sides of dummy bar head body 102 are each provided with one and adjust backing plate 105, form adjusting pad
Plate group.
As shown in Figure 7 and Figure 8, the design of groove 104 can ensure that filling dummy bar head time cold steel deposit and
Water the cooling of base head when steel starts, and by unclamping nut, cut off bolt and can realize base head 101 and dummy ingot
The separation of head；The change of section width can be realized by adjusting backing plate group.Thus adapt to vertical casting machine
Process characteristic.
The specific design thinking of dummy bar head is as follows:
Basic design parameters:
500,600 strand parameter: thickness: big cross section (such as:, 700mm etc.)
Width: big cross section (such as: 1100,1500mm etc.)
The design of dummy bar head mainly consider following some:
1, dummy bar head enters crystallizer and the filling of dummy bar head
According to continuous casting process, after dummy bar head enters the crystallizer predeterminated position of vertical casting machine, water
Steel prepares filling dummy bar head.Therefore the structure design of dummy bar head, first has to consider that dummy bar head can be smoothly
Entrance crystallizer, and arrive presetting position, therefore in the upper end of dummy bar head, periphery use big fall
The structure design at angle；Secondly, after arriving the position that dummy bar head is presetting, can guarantee that on dummy bar head, deposit foot
Enough cold steel and casting start after the connection of base head and dummy bar head, therefore, on dummy bar head body 102
Design groove 104 or " pawl " shape structure, after such dummy bar head enters crystallizer, groove 104 and crystallization
Device forms " bucket " type space of an access molten steel, and cold steel is laid in the bottom in " bucket " type space
(i.e. in groove 104), i.e. can meet depositing of the filling cold steel of dummy bar head, it is ensured that base when casting starts
The cooling of head, can guarantee that dummy bar head can draw in casting starts to cut off during this period of time to base head the most simultaneously
(torr) strand passes through two cold-zones.
2, after base head cuts off, base head, the connection of dummy bar head and with dummy bar output together
Watering after steel starts, strand arrives appointment (cutting) position under " traction " of dummy bar head, fire
Flame cutting machine is started working.After base head is cut-off, dummy bar (head) continues downwards with base head, root
According to technological requirement, base head 101, dummy bar head, dummy bar arrive specific bit as an entirety and postpone, draw
Spindle blade related base head 101 is tumbled together, at this moment it has to be considered that during tumbling, and base head 101
Can not come off, otherwise by production development accident.It is thus desirable to increase a set of connecting bolt assembly.So exist
Water after steel starts, inject the high-temperature molten steel in crystallizer with threaded bolt contacts after, bolt head is by fusing or inlays
In base head, and bolt is fixed in dummy bar head by nut, is i.e. equivalent to base head by bolt and dummy ingot
Head (bar) is unified into an entirety, as shown in Figure 7.Certainly, the design of dummy bar head body 102, necessarily
Working place and the dummy bar head of bolt assembly 103 to be considered to have enough strength and stiffness.
3, base head, dummy bar head separate
According to technology arrangement, when dummy bar hangs rear portion ejection roller way together with base head 101 and is transported to specify
Deposit position after, unclamp nut, cut off bolt, as it is shown in fig. 7, base head 101 will be in deadweight
Under effect, certain " A " point contacted with dummy bar head around base head 1 rotates, base head Automatic-falling, as
Shown in Fig. 8.Thus realize the separation of base head 101 and dummy bar head, bolt on certain dummy bar head body 102
Design base the to be coordinated head 101 in hole separates with dummy bar head.According further to the continuous casting billet of different section,
Bolt, nut assembly can arrange different quantity, it is ensured that continuous casting billet is connected with suitable reliably with dummy bar head
Profit separates.
4, the adjustment of dummy bar head width
The adjustment of dummy bar head width, then be by the thickness adjusting backing plate group in dummy bar head both sides, it is achieved
The conversion of width.
The specific design thinking of dummy bar of the present invention is as follows:
Basic design parameters:
500,600 strand parameter: thickness: big cross section (such as:, 700mm etc.).
Width: big cross section (such as: 1100,1500mm etc.).
Specifically:
1) determination of dummy bar length
Design of Roll Range according to vertical casting machine and process characteristic, ensureing that dummy bar head 1 distance from top is vertical
During conticaster crystallizer 8 copper coin end face 300～350mm, it is ensured that driving of the cold fan-shaped section of vertical casting machine two
Action roller at least two pairs of roller clamping dummy bars 13.And driving of dummy bar 13 afterbody distance fan-shaped section clamping
Action roller center >=300mm, as it is shown in figure 9, figure indicates 0# fan-shaped section 9,1# fan-shaped section 10,
2# fan-shaped section 11 and 2# fan-shaped section 12.
2) determination of dummy bar width
The width of dummy bar 13 is to match with the design driving roller in fan-shaped section, as shown in Figure 10,
Fan-shaped section inner arc drives roller 14 and fan-shaped section outer arc to drive roller 15 to clamp dummy bar 13, dummy bar 13
What width should ensure to drive roller 14 and fan-shaped section outer arc to drive by fan-shaped section inner arc roller 15 is pressed on chain link has
Effect length, ensures that dummy bar 13 adapts to the requirement of different in width strand again.Dummy bar 13 simultaneously
Design alleviates its weight as far as possible, and considers the roller distribution system of two cold fan-shaped section.Arrange simultaneously
During dummy bar link configuration, make the driving roller impetus (part beyond roller axle bearing) in fan-shaped section
On the riser (gusset) of the box-structure being just arranged in chain link 1, chain link 26 and chain link 37.
3) the structure design of dummy bar
Feature according to vertical casting machine, although dummy bar 13 is designed to approximate rigid structure, simultaneously in order to
The error that abatement apparatus is installed, dummy bar 13 is main by dummy bar head 1, bearing pin 1, liner plate 5, bearing pin
24, the part such as chain link 1, chain link 26 and chain link 37 composition.
Wherein chain link 26 and chain link 37 are designed to reversely (up-down structure form) boss structure.And root
According to technological requirement, by suitable interval, boss edge to the size Control at pin-and-hole center to, work as chain
After being coupled together by bearing pin 24 between joint, although chain link 1, chain link 26 and chain link 37 are mutual
Between can rotate around bearing pin, but due to boss limit, between chain link only can around bearing pin do 0.5～
1 ° of low-angle rotation, as shown in figure 11.Accordingly even when the roller in the fan-shaped section of vertical casting machine two cold-zone
Roll surface not " waveform " in a plane that son is formed, can be around pin by each chain link of dummy bar
Axle carries out 0.5～1 ° of low-angle rotation, also can guarantee that vertical casting machine two cold-zone fan shaped section driving roller is put down
Steady clamping dummy bar 13.The design of the angle certainly rotated can not be too big, if too big, is drawing
During the " RUN " of spindle blade, the accumulative anglec of rotation formed between each chain link will make the head of dummy bar
Portion or afterbody are interfered with copper plate of crystallizer, two cold rollers, ejection roller way, even cannot normally work.
The liner plate 5 using special substance is bolted covering at chain link 1, chain link 26 and chain link
The surface (two sides) of 37, increases the frictional force with driving roller in the walking process of dummy bar 13, it is ensured that
Roller is driven to have enough driving forces to dummy bar.
Wherein the quantity of chain link 26 determines according to the technological requirement of vertical casting machine.
Claims (8)
1. a super thick section Vertical Slab Caster dummy bar, including dummy bar head (1), dummy bar head (1) passes through bearing pin one (2) connecting-rod body, it is characterized in that, the described body of rod be made up of bar main body and the liner plate (5) being positioned at outside bar main body, and described bar main body is passed through bearing pin two (4) and is sequentially connected with and constitutes by multiple chain links.
Super thick section Vertical Slab Caster dummy bar the most according to claim 1, it is characterized in that, described chain link includes chain link one (3), chain link two (6) and chain link three (7), wherein, there is recess chain link one (3) front end, it is connected together with the plush copper of dummy bar head (1) tail end, the front end of chain link two (6) is L-shaped, coordinate with the L-shaped block of chain link one (3) tail end, the front end of chain link three (7) is L-shaped, coordinate with the L-shaped block of chain link two (6) tail end, make between described chain link two (6) front end and chain link one (3) tail end, and between chain link two (6) tail end and chain link three (7) front end, all can do Small-angle Rotation around corresponding bearing pin two (4).
Super thick section Vertical Slab Caster dummy bar the most according to claim 2, it is characterised in that described Small-angle Rotation refers to rotational angle 0.5～1 °.
Super thick section Vertical Slab Caster dummy bar the most according to claim 1, it is characterized in that, described dummy bar head (1) includes dummy bar head body (102) and nut assembly (103), the end face of dummy bar head body (102) is L-shaped, wherein vertical plane is connected with base head (101) by nut assembly (103), and horizontal plane is provided with the groove (104) of opening upwards.
Super thick section Vertical Slab Caster dummy bar the most according to claim 4, it is characterised in that described groove (104) is single cavity or double flute.
Super thick section Vertical Slab Caster dummy bar the most according to claim 4, it is characterised in that the trough rim of described groove (104) is along there being ledge in groove.
Super thick section Vertical Slab Caster dummy bar the most according to claim 4, it is characterised in that two sides of described dummy bar head body (102) are each provided with one and adjust backing plate (105).
Super thick section Vertical Slab Caster dummy bar the most according to claim 4, it is characterised in that the upper periphery of described dummy bar head body (102) all uses the structure of big chamfering to design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620371042.0U CN205599890U (en) | 2016-04-27 | 2016-04-27 | Vertical slab caster dummy bar of super heavv section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620371042.0U CN205599890U (en) | 2016-04-27 | 2016-04-27 | Vertical slab caster dummy bar of super heavv section |
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| CN205599890U true CN205599890U (en) | 2016-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620371042.0U Active CN205599890U (en) | 2016-04-27 | 2016-04-27 | Vertical slab caster dummy bar of super heavv section |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105728677A (en) * | 2016-04-27 | 2016-07-06 | 中国重型机械研究院股份公司 | Dummy bar of super-thick-section vertical slab continuous casting machine |
| CN110315036A (en) * | 2018-11-12 | 2019-10-11 | 中冶连铸技术工程有限责任公司 | A kind of Wide Band Oxygen Sensors dummy bar and its guiding device |
| CN116237478A (en) * | 2023-03-20 | 2023-06-09 | 山东钢铁集团日照有限公司 | A new type of dummy bar for preventing deviation from deviation of ultra-wide slab continuous casting machine |
-
2016
- 2016-04-27 CN CN201620371042.0U patent/CN205599890U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105728677A (en) * | 2016-04-27 | 2016-07-06 | 中国重型机械研究院股份公司 | Dummy bar of super-thick-section vertical slab continuous casting machine |
| CN110315036A (en) * | 2018-11-12 | 2019-10-11 | 中冶连铸技术工程有限责任公司 | A kind of Wide Band Oxygen Sensors dummy bar and its guiding device |
| CN116237478A (en) * | 2023-03-20 | 2023-06-09 | 山东钢铁集团日照有限公司 | A new type of dummy bar for preventing deviation from deviation of ultra-wide slab continuous casting machine |
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