CN203265562U - Dummy bar assembly suitable for equipment capable of continuously casting - Google Patents
Dummy bar assembly suitable for equipment capable of continuously casting Download PDFInfo
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- CN203265562U CN203265562U CN2012205887268U CN201220588726U CN203265562U CN 203265562 U CN203265562 U CN 203265562U CN 2012205887268 U CN2012205887268 U CN 2012205887268U CN 201220588726 U CN201220588726 U CN 201220588726U CN 203265562 U CN203265562 U CN 203265562U
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Abstract
The utility model relates to a dummy bar assembly used for continuous casting and provides the dummy bar assembly suitable for equipment capable of continuously casting. The dummy bar assembly starts to draw metal casting blanks. The dummy bar assembly comprises a dummy bar provided with a jointing device and a storing unit provided with a suitable driving device, thereby facilitating motion of the dummy bar between casting position and accommodating position.
Description
Technical field
The utility model relates generally to continuous casting.Particularly, the utility model relates to dummy bar (starting bar) assembly that is applicable to cast continuously.
Background technology
Continuous casting is widely used in production cast article, for example steel billet, steel ingot, heavy-gauge sheeting, light sheet etc.
During casting continuously, motlten metal is poured in open-ended mould, and the perimeter region of its cooling and solidifying molten metal is in order to form metal thigh/metal strand (metal strand).Be arranged on the drawing in mould downstream and resistance straightening unit from the bottom continuous drawing metal strand of mould and simultaneously motlten metal by continuously from its top pouring.
Well known in the art is that between the continuous casting starting period, the open bottom of close die is in order to allow to form the metal strand and prevent that motlten metal is to flow out mould without sequential mode temporarily.Use so-called " dummy bar " to realize the required closure of mold bottom.Dummy bar is the slim-lined construction that is provided with the removable head that is suitable for clogging mould.Use one group of strand guiding roller that dummy bar is transported to mould and dummy bar is placed in casting position so that the engagement mould of dummy bar.At casting position, dummy bar extends to drawing and resistance straightening unit from mould.Subsequently, motlten metal is poured in mould and is allowed to partly solidified in order to form the stable metal strand of the removable head that is attached to dummy bar.Operation by drawing and resistance straightening unit is pulled away from from mould dummy bar with the metal strand that is connected to its end.Along with the metal strand arrives drawing and resistance straightening unit, dummy bar from the metal strand separately and in reception position is stored in storage unit.
The various design and structures of dummy bar known in the art can broadly be divided into three classes, i.e. semi-rigid dummy bar and the flexible chain dumming bar of rigid dummy bar, a plurality of hinge segment formation of use.Every kind in these different types of dummy bars all is provided with corresponding storage unit and deposits the dummy bar that is in reception position.
Be subject to the impact of a plurality of restrictions based on the prior art systems of flexible chain dumming bar.Chain dumming bar need a large amount of safeguard guarantee that hinge segment keeps relative to each other can free pivotable.In addition, due to its flexible reason, chain dumming bar must be supported between mould and drawing and resistance straightening unit and therefore large-scale supporting construction must be installed.Due to installation and maintenance relate to expensive, so than rigidity and semi-rigid dummy bar, chain dumming bar is not too popular.
From U.S. Patent No. 4,715,426 learn a kind of equipment based on semi-rigid dummy bar.This patent discloses the mould/dummy-bar assembly of the bending continuous casting that is used for metal.Dummy bar has semi-rigid serpentine pattern (it has and the essentially identical curvature of the crooked route of strand) and alternately is placed in original position and reception position, opening is flowed out and its afterbody termination is combined in the paired power-actuated reversible pinch roll of drawbench-straightener device in its bottom that connects the closed described ingot bar mould of head in described original position, and described reception position its from described drawbench-straightener device disengaging and be bonded on above the horizontal stretch of strand take in the zone in the bracing or strutting arrangement that provides and in guiding and transmitting device.
In the prior art systems based on rigidity and semi-rigid dummy bar, as above-mentioned patent for example as described in, storage unit is provided with driven roller mechanism routinely to be used for the dislocation dummy bar.Driven roller mechanism usually has somewhat complex design and comprises that thereby the reversible driven roller applies conveying capacity to dummy bar and helps it towards and away from the motion of mould.Being frictionally engaged between dummy bar and driven roller depended between dummy bar and driven roller contact force and relative friction coefficient at the interface.Driven roller mechanism comprises the device that driven roller is pressed against dummy bar so that produces required conveying capacity.Final large load on dummy bar causes mechanical failure and the structural distortion to the surface abrasion form of dummy bar, and has therefore reduced the service life of dummy bar.In addition, due to the relative slippage of dummy bar with respect to driven roller, such system can not guarantee the precisely controlled motion of dummy bar.Significantly, such Dummy Bar System can not accurately be determined dummy bar position and speed, and this is that to improve the automation of continuous casting essential.Another of this system seriously is limited in, and the unplanned interruption that for example causes due to dynamic failure can cause the not controlled motion of dummy bar and can cause continuous casting system and/or operate the personnel's of this continuous casting system grievous injury.Therefore, such prior art systems needs extra locking and arrestment mechanism to prevent the reception position landing of dummy bar from storage unit.
The U.S. Patent No. 3,930,533 that transfers Rokop Corporation discloses a kind of dummy ingot member, and it is by using in a usual manner rack-and-pinion mechanism to alleviate some defects in storage unit.Particularly, this patent discloses a kind of dummy bar, and it is provided with along a side from the afterbody end tooth-arranging strip tooth that extends, and deposits shell, and this is deposited shell and comprises and protrude into the gear that is used for engaging rack tooth in described shell one side.
Although the drive unit of operation gear provides the controlled motion of dummy ingot member, disclosed dummy ingot component assembly needs very large maintenance cost.Particularly, use realizes dummy ingot member tooth bar at " stock " of the curved wall that is fixed to the dummy ingot member upper " long tooth-arranging strip tooth " that forms.When the dummy ingot member was driven through storage unit, rack tooth is meshing gear smoothly, otherwise can damage rack tooth.This makes changes whole rack tooth mechanism and becomes necessaryly, and this has caused the high maintenance cost.Significantly, this is a serious restriction.Recognized this restriction in the U.S. Patent No. 4,286,649 that transfers equally Rokop Corporation.This patent is mentioned in U.S. Patent No. 3,930, in 533, the rack tooth mechanism of disclosed dummy bar can stand mechanical wear and need frequent the adjusting, thereby and by lock gear position when the dummy ingot member leaves storage unit in order to realize that neat fit provides its solution.But, in practice, still there is the problem of mechanical failure rack tooth assembly, this is the reason due to the harsh and unforgiving environments condition, be included in during initial engagement unjustifiedly frequently between gear and rack tooth, rack tooth is easy to damage and can destroys the pitch of rack tooth and cause the dummy ingot member can not be engaged in smoothly gear for any damage of a tooth in even " long tooth-arranging strip tooth ".Thereby the dummy ingot member suffers unstable and unexpected motion, and this is very undesirable.This situation need to be changed the whole rack tooth mechanism that is placed on the dummy ingot member, and this is not only expensive but also causes obvious downtime.Therefore, this dummy ingot member can not provide gratifying operating characteristics, when particularly considering with the angle of safeguarding convenience from cost.
In sum, need a kind of mould/dummy-bar assembly so that the motion of dummy bar can be accurately controlled and maintenance cost is lower simultaneously.
Therefore, target of the present utility model is to provide a kind of mould/dummy-bar assembly that is applicable to cast continuously based on simple designs, and it has been guaranteed accurate control and has safeguarded convenience.
The utility model content
Target of the present utility model realizes by mould/dummy-bar assembly hereinafter described.
According to above-mentioned target of the present utility model, provide a kind of mould/dummy-bar assembly that is applicable to cast continuously.Continuous casting equipment comprises open-ended mould, strand guidance unit, drawing-resistance straightening unit and mould/dummy-bar assembly.Mould is directed in order to form the metal strand along basic vertical direction.The strand guidance unit is arranged on the mould downstream so that along the bow-shaped route guiding from its metal strand that transfers out.Drawing-resistance straightening unit is positioned at the downstream of strand guidance unit so that along horizontal direction drawing and aligning metal strand along bow-shaped route.Mould/dummy-bar assembly comprises dummy bar and storage unit.When being arranged on casting position, dummy bar begins from mould drawing metal strand.Dummy bar comprises elongated rigidity bow-shaped structural and a plurality of engagement device.Elongated rigidity bow-shaped structural have along bow-shaped route relatively more close mould head end and along bow-shaped route relatively further from the afterbody end of mould and the longitudinal axis that extends betwixt, this longitudinal axis meets bow-shaped route.Elongated rigidity bow-shaped structural also comprises at least one pair of lateral surface that is basically parallel to the perpendicular that comprises bow-shaped route and at least one pair of curved surface that is basically perpendicular to the perpendicular that comprises bow-shaped route.A plurality of engagement devices are placed in from least one surface of the arched paired side direction of elongated rigidity and curved surface selection with the relation that evenly separates independently along the arched longitudinal axis of elongated rigidity.Storage unit is positioned at the downstream of drawing-resistance straightening unit and is configured to dummy bar is accommodated in reception position along bow-shaped route.Storage unit comprises arch support structure and drive unit.The arch support structure is basic and bow-shaped route is coplanar and be configured to support dummy bar.Drive unit is configured to drive dummy bar by the arch support structure.Drive unit comprises at least one gear assembly, and it is configured to mesh a plurality of engagement devices.
Mould/dummy-bar assembly of the present utility model provides the simple and firm design of dummy bar and storage unit thereof.The driving mechanism that combination by engagement device and gear assembly realizes towards and deviate from the controlled motion that dummy bar was provided between moving period of mould.The utility model has been eliminated any slip of dummy bar with respect to storage unit.The utility model advantageously makes it possible to accurately to determine dummy bar with respect to the position of mould/dummy-bar assembly and therefore helps to improve the automation of continuous casting equipment.In addition, according to disclosed technology in the utility model, provide driving force by gear assembly to dummy bar, and therefore eliminated due to the mechanical wear that is frictionally engaged and causes of using in conventional equipment.Because engagement device is placed on dummy bar independently, so in the situation that any mechanical failure can be changed each engagement device independently in the time of minimum demand.Therefore, the utility model helps convenience and the low cost safeguarded.In addition, the utility model has saved for additional locking and arrestment mechanism are installed in order to dummy bar is locked in demand in storage unit.The utility model has been eliminated the not controlled motion of dummy bar in any situation, and has therefore guaranteed the raising of security.
According to embodiment of the present utility model, elongated rigidity bow-shaped structural comprises at least one pair of rigidity bow-shaped section, and it is formed by the rigidity bow-shaped section that is coupled to each other so that each rigidity bow-shaped section is parallel to other rigidity bow-shaped sections along the direction that substantially lies across the perpendicular that comprises bow-shaped route and arranges.According to this technical characterictic, the effective cross section of realizing dummy bar with the rigidity bow-shaped section with in fact less cross sectional dimensions.Therefore, this technical characterictic guaranteed dummy bar elongated rigidity bow-shaped structural and thereby dummy bar have low weight.This technical characterictic has guaranteed that also the low-power drive unit is enough to drive dummy bar.
According to another embodiment of the present utility model, each rigidity bow-shaped section has the rectangular cross section by outside lateral surface, inner lateral surface, exterior curved surface and interior curve delimited, and wherein the outside lateral surface of rigidity bow-shaped section forms arched described at least one pair of lateral surface of elongated rigidity in pairs.According to this technical characterictic, each rigidity bow-shaped section can be connected to produce elongated rigidity bow-shaped structural routinely.
According to another embodiment of the present utility model, elongated rigidity bow-shaped structural comprises at least one rigidity bow-shaped section.The rigidity bow-shaped section has in basic rectangular cross section, basic H shape cross section and basic C shape cross section.This technical characterictic has been guaranteed with extensively realizing the utility model with any beam in beam.
According to another embodiment of the present utility model, elongated rigidity bow-shaped structural comprises the one in first pair of rigidity bow-shaped section and the first rigidity bow-shaped section, and it is hinged to the one in second pair of rigidity bow-shaped section and the second rigidity bow-shaped section along its length end to end.According to this technical characterictic, any appropriate combination of rigidity bow-shaped section and/or each rigidity bow-shaped section is used to produce elongated rigidity bow-shaped structural in pairs.
According to another embodiment of the present utility model, engagement device is placed on each lateral surface in the arched a pair of lateral surface of elongated rigidity.In addition, each engagement device comprises cylindrical sleeve and cylindrical sleeve is connected to the coupling arrangement of each lateral surface in the arched a pair of lateral surface of elongated rigidity.These technical characterictics have guaranteed that engagement device is arranged on elongated rigidity bow-shaped structural with symmetric mode.
According to another embodiment of the present utility model, storage unit comprises at least two gear assemblies, and each gear assembly correspondingly is engaged in a plurality of engagement devices on each lateral surface in a pair of lateral surface.According to this technical characterictic, the driving force that offers dummy bar is symmetrical around its longitudinal axis, and has therefore guaranteed to improve the stability of mould/dummy-bar assembly and eliminated in the arbitrarily excessive mechanical stress that is positioned on the guide roller mechanism of storage unit.
According to another embodiment of the present utility model, engagement device extends along following length at least, this length starts from that described at least one is lip-deep as upper/lower positions, and the dummy bar position when mould engages drawing-resistance straightening unit between moving period and dummy bar deviate between each position in the dummy bar position of mould when breaking away from drawing-resistance straightening unit between moving period and engage dummy bar at the reception position of dummy bar and dummy bar namely to make described at least one gear assembly.This technical characterictic has guaranteed that it must the engaging gear assembly when dummy bar does not engage drawing-resistance straightening unit.In other words, this technical characterictic has guaranteed that dummy bar engages the one in drawing-resistance straightening unit and gear assembly at least.
According to another embodiment of the present utility model, dummy bar also comprises the dummy bar head.The dummy bar head is configured to close die and forms and being connected of its interior initial stage metal strand.The dummy bar head removably is connected to elongated rigidity bow-shaped structural in its head end.These technical characterictics have guaranteed that dummy bar can start by the connection with initial stage metal strand continuous casting so that final metal strand is pulled to drawing-resistance straightening unit together with dummy bar.
According to another embodiment of the present utility model, storage unit also comprises the frustum of a cone element, and its end that is placed in the arch support structure is adjacent to drawing-resistance straightening unit and is formed at it and deviates from mould is realized dummy bar and arch support structure between moving period the first horizontal alignment.
According to another embodiment of the present utility model, storage unit also comprises guide roller mechanism and is formed at it and deviates from mould is realized dummy bar and arch support structure between moving period the second horizontal alignment.
These technical characterictics have guaranteed that dummy bar correctly is aligned in the arch support structure so that gear assembly is engaged in the engagement device that is placed on dummy bar smoothly.
According to another embodiment of the present utility model, drive unit comprises electro-mechanical drive unit, and it is used for driving dummy bar by the arch support structure.This technical characterictic has guaranteed that storage unit can drive dummy bar towards deviating from mould.
According to another embodiment of the present utility model, storage unit also comprises for detecting described at least one gear assembly with respect to the device of the orientation of dummy bar before engaging between described at least one gear assembly and dummy bar, and the activated drive device is in order to regulate the device of the orientation of described at least one gear assembly.This technical characterictic has guaranteed that gear assembly is engaged in the engagement device that is placed on dummy bar smoothly.
According to another embodiment of the present utility model, storage unit also comprises to be determined dummy bar with respect to the device of the position of storage unit and activates drawing-resistance straightening unit so that the device that dummy bar breaks away from from the metal strand.This technical characterictic guaranteed drawing-resistance straightening unit in the instantaneous operation of the best to separate dummy bar.This technical characterictic helps also to determine that dummy bar is bonded on the dummy bar speed at storage unit given instantaneous place in the interior time interval.
Description of drawings
Further described the utility model with reference to the example embodiment shown in accompanying drawing, in accompanying drawing:
Figure 1A-1B shows the schematic diagram according to the continuous casting equipment of embodiment of the present utility model,
Fig. 2 A-2F shows corresponding stereogram, side view, front view, the first cross-sectional view, the second cross-sectional view and the part stereogram according to the dummy bar of embodiment of the present utility model,
Fig. 3 A-3K shows the various exemplary cross section profiles according to the rigidity bow-shaped section of various exemplary embodiments of the present utility model and engagement device placed on it, and
Fig. 4 A-4B shows according to the stereogram of the storage unit of embodiment of the present utility model and partial cross sectional view.
The specific embodiment
Various embodiment are described with reference to the drawings, and the same Reference numeral of wherein carrying throughout is used in reference to same element of generation.In following description, for the purpose of explaining, write a large amount of specific detail exactly in order to complete understanding for one or more embodiment is provided.Being apparent that can be in the situation that have these specific detail to put into practice such embodiment.
Figure 1A and Figure 1B show the schematic diagram according to the continuous casting equipment 100 of embodiment of the present utility model.Continuous casting equipment 100 comprises open-ended mould 102, strand guidance unit 104, drawing-resistance straightening unit 106 and mould/dummy-bar assembly 108.Mould/dummy-bar assembly 108 comprises dummy bar 110 and storage unit 112.Dummy bar 110 has head end 114 and afterbody end 116.Mould/dummy-bar assembly 108 also comprises maintenance platform 118.
The perimeter region that mould 102 is configured to receive motlten metal and solidify its motlten metal that contains from the tundish (not shown) is to form the metal strand.The strand guidance unit 104 that is positioned at mould 102 downstreams receives the metal strands and guides this metal strand along bow-shaped route (P) from mould 102.Drawing-resistance straightening unit 106 is configured to jointing metal strand as follows, pulling capacity namely is provided and goes back along continuous straight runs aligning metal strand.Subsequently, the metal strand is transported to torch mechanism and shifts out platform (run-out table) so that the cutting metal strand has each cast article of predefine size, for example steel billet with formation.Mould/dummy-bar assembly 108 is formed at and casts continuously between elementary period from mould 102 beginning drawing metal strands, as described in more detail in following explanation.
Drawing-resistance straightening unit 106 is positioned at strand guidance unit 104 downstreams along bow-shaped route.As previously mentioned, drawing-resistance straightening unit 106 is configured to along horizontal direction drawing and aligning metal strand.Drawing-resistance straightening unit 106 comprises one group of driven roller 120 substantially.Use adjusting device, such as hydraulic unit driver etc., support one or more driven roller 120, make at least one driven roller, driven roller 120b for example, be positioned at the continuous casting incipient stage meet bow-shaped route and be oriented to after meet horizontal direction (x axis) so that the metal strand leaves drawing-resistance straightening unit 106 along horizontal direction.These technology are well known in the art and therefore do not specifically describe at this.
Dummy bar 110 helps to begin drawing metal strand.Dummy bar 110 be placed in continuous casting equipment 100 in case head end 114 along the relatively more close mould 102 of bow-shaped route and afterbody end 116 along bow-shaped route relatively further from mould 102.
Refer again to Figure 1A and Figure 1B, Figure 1A shows the continuous casting equipment 100 that dummy bar 110 wherein is in reception position, and Figure 1B shows the continuous casting equipment 100 that dummy bar 110 wherein is in casting position.
During pre-initialize stage in the continuous casting process and rear initial phase, dummy bar 110 remains on reception position.At initial phase, at first dummy bar 110 moves to casting position from reception position, and turns back to reception position subsequently, as described below.
At reception position, dummy bar 110 is supported in storage unit 112 in order to easily lead to head end 114 from maintenance platform 118.Therefore, facilitate path so that can easily carry out necessary maintenance work at pre-/rear initial phase for what the personnel of operation continuous casting equipment provided the head end 114 that arrives dummy bar 110.
At the initial phase of continuous casting process, be positioned at dummy bar 110 driven devices (explaining in conjunction with subsequent drawings) of the reception position shown in Figure 1A thereby drive and move towards mould 102 along bow-shaped route.At reception position, dummy bar 110 is only supported by storage unit 112.Along with dummy bar 110 advances towards mould 102, dummy bar 110 engages drawing-resistance straightening unit 106 gradually, breaks away from storage unit 112, engages strand guidance unit 104, and the final casting position that arrives as shown in Figure 1B.
At casting position, head end 114 closed its open bottom of jointing die 102 are so that can be to casting molten metal in it.Dummy bar 110 keeps being engaged in drawing-resistance straightening unit 106 by near the part afterbody end 116 at least.Head end 114 be configured to mould 102 in initial stage metal strand form to load and be connected.When through having formed between enough time and the metal strand dummy bar 110 and mould 102 in can load connection the time, drawing-resistance straightening unit 106 is manipulated into and pulls dummy bar 110 away from mould 102.Along with dummy bar 110 is pulled away from mould 102, the metal strand that is connected in head end 114 is drawn out together with dummy bar 110.Dummy bar 110 moves and finally arrives the position that drawing-resistance straightening unit 106 is left at strand between dummy bar 110 and metal strand-bar interface towards storage unit 112 along bow-shaped route.In other words, drawing-resistance straightening unit 106 is left in dummy bar 110 motions.It should be noted that before dummy bar 110 arrived this position, dummy bar 110 engaged the drive unit that is included in storage unit 112.About this, drawing-resistance straightening unit 106 is actuated to and makes dummy bar 110 and metal strand break away from and align the metal strand in order to advance along horizontal direction.
Dummy bar 110 continues to drive along the drive unit that bow-shaped route is stored in unit 112, so that dummy bar 110 finally arrives the reception position as shown in Figure 1A.
From Figure 1A and Figure 1B obviously as seen, dummy bar 110 has arc layout, so that its longitudinal axis (L) meets bow-shaped route.Now in conjunction with specific design and the structure of Fig. 2 explanation according to the dummy bar 110 of the utility model embodiment.
Should be noted that, described the utility model in conjunction with single casting base continuous casting equipment; During but a plurality of mould/dummy-bar assemblies 108 of the present utility model can suitably be arranged on continuous casting equipment in many strand designs.
Fig. 2 A to Fig. 2 F shows respectively according to the stereogram of the dummy bar 110 of the utility model embodiment, side view, front view, the first cross-sectional view, the second cross-sectional view and part stereogram.
Dummy bar 110 comprises elongated rigidity bow-shaped structural 202, and it comprises paired rigidity bow-shaped section 204a-a ' and 204b-b ' and rigidity bow-shaped section 206a and 206b.Form every pair of rigidity bow-shaped section with horizontal coupling arrangement 208.Dummy bar 110 also comprises the engagement device 210 that is placed on paired rigidity bow-shaped section 204.Each engagement device 210 comprises the cylindrical sleeve 212 that uses nuts and bolt assembly 214 or screw bolt 216 to be attached to elongated rigidity bow-shaped structural 202.Dummy bar 110 also comprises the dummy bar head 218 that uses shear pin 220 to be attached to elongated rigidity bow-shaped structural 202.
Elongated rigidity bow-shaped structural 202 has two ends, and it forms respectively head end 114 and the afterbody end 116 of dummy bar 110.
In various embodiment of the present utility model, each rigidity bow-shaped section 206 can have basic rectangular cross section, basic H shape cross section and basic C shape cross section.Describe the utility model referring now to embodiment, wherein each rigidity bow-shaped section 204 and 206 has basic rectangular cross section.But, this only is used for exemplary purpose and should be considered to limit by any way the utility model.
Each rigidity bow-shaped section 206 comprises at least one pair of lateral surface S1 and the S3 that is basically parallel to the perpendicular (x-z plane) that comprises bow-shaped route and at least one pair of curved surface S2 and S4 of being basically perpendicular to the perpendicular (x-z plane) that comprises bow-shaped route.
In a pair of rigidity bow-shaped section 204, each rigidity bow-shaped section 204 has the side direction that is similar on rigidity bow-shaped section 206 and side direction and the curved surface of curved surface.Therefore, for example each rigidity bow- shaped section 204a, 204a ' have outside lateral surface S1 and S1 ', inner lateral surface S3 and S3 ', exterior curved surface S2 and S2 ' and interior curve surface S4 and S4 '.Use the coupling arrangement 208 of engage complementary lateral surface S3 and S3 ' to connect rigidity bow- shaped section 204a and 204a '.In embodiment of the present utility model, rigidity bow-shaped section 204 has through hole so that circle tube element uses suitable fastener to be engaged with between rigidity bow- shaped section 204a and 204a ', and therefore connects rigidity bow-shaped section 204a and 204b.In various embodiment of the present utility model, can connect rigidity bow-shaped section 204 with arbitrarily suitable coupling arrangement.Therefore, in every pair of rigidity bow-shaped section 204, each rigidity bow- shaped section 204a and 204a ' arrange in parallel with each other along the direction (y axis) that substantially lies across the perpendicular (x-z plane) that comprises bow-shaped route.
As seen from the above, the every pair of rigidity bow-shaped section 204 provides two pairs of side direction surfaces, and it is basically parallel to the perpendicular (x-z plane) that comprises bow-shaped route and is suitable for engagement device 210 placed on it.Therefore every pair of rigidity bow-shaped section 204 comprises the surperficial S1-S1 ' of two pairs of side direction and the S3-S3 ' that is suitable for placing engagement device.
Similarly, each rigidity bow-shaped section 206 provides a pair of lateral surface S1-S3 that is basically parallel to the perpendicular (x-z plane) that comprises bow-shaped route, and two curved surface S2 and S4, each surface is basically perpendicular to the perpendicular (x-z plane) that comprises bow-shaped route and is suitable for engagement device 210 placed on it.
From the accompanying drawing of combination as can be known, elongated rigidity bow-shaped structural 202 comprises paired rigidity bow-shaped section 204a-a ', the combination of rigidity bow-shaped section 204b-204b ', rigidity bow-shaped section 206a and rigidity bow-shaped section 206b in pairs, itself and hinged end to end along its length.Should be noted that, as shown in the accompanying drawing of combination, elongated rigidity bow-shaped structural 202 only is used for exemplary purpose.In various embodiments, can be with the paired rigidity bow-shaped section 204 of the hinged any right quantity of any desired order and each rigidity bow-shaped section 206 in order to produce elongated rigidity bow-shaped structural 202.
Should be noted that, although as shown in Fig. 2 A to Fig. 2 F, in various embodiment of the present utility model, dummy bar 110 comprises two pairs of rigidity bow-shaped sections 204 and two rigidity bow-shaped sections 206, but can also use a pair of or more to rigidity bow-shaped section 204 or one or more rigidity bow-shaped section 206 or its any appropriate combination, as what more be apparent in the description that provides in conjunction with Fig. 3 A to Fig. 3 K.
In various embodiment of the present utility model, engagement device 210 is placed in from least one surface that paired side direction and curved surface are selected with the relation that evenly separates independently along at least one longitudinal axis in rigidity bow-shaped sections 204 and rigidity bow-shaped section 206 in pairs.
According to embodiment of the present utility model, engagement device 210 is arranged in paired rigidity bow-shaped section 204 and rigidity bow-shaped section 206 on each surface at least one a pair of lateral surface.For example, engagement device 210 can be placed on one-tenth effects on surface S1-S1 ' or S3-S3 ' in paired rigidity bow-shaped section 204a-a ' and/or 204b-b '.Alternatively or additionally, engagement device 210 can be placed on one-tenth effects on surface S1-S3 in rigidity bow-shaped section 206a and/or 206b.
In preferred embodiment of the present utility model, as shown in the accompanying drawing of combination, engagement device 210 is placed on each in the one-tenth effects on surface S1-S1 ' (being outside lateral surface) of each rigidity bow-shaped section 204.Each rigidity bow-shaped section 204 comprises a plurality of cross through hole (along the y Axis Extension).Each cylindrical sleeve 212 aligns with a cross through hole and uses coupling arrangement to be connected to rigidity bow-shaped section 204, and this coupling arrangement is nuts and bolt assembly 214 for example, as shown in Fig. 2 D.In the situation that mechanical failure can individually be changed cylindrical sleeve 212 in the mode of high time efficiency.
Should be noted that, only describe cylindrical sleeve 212 and can use suitable structural member arbitrarily at this by way of example, as long as it helps to engage with the gear assembly 412 that is positioned at storage unit 112.Explained storage unit 112 in conjunction with Fig. 4 A and Fig. 4 B.
Fig. 2 E shows the specific setting according to the utility model embodiment, and wherein laterally pitch or the interval of coupling arrangement 208 are integral multiples of the pitch of engagement device 210.Therefore, each horizontal coupling arrangement 208 is aligned in engagement device 210 one.Therefore, as shown in Fig. 2 E, use screw bolt 216 that cylindrical sleeve 212 is connected to elongated rigidity bow-shaped structural 202.
In alternate embodiment of the present utility model, replace using two little cylindrical sleeves 212 that are arranged on each lateral surface S1-S1 ', can use across the single circle tube element 212 that passes two rigidity bow-shaped section 204a-a ', so that single tubular shell 212 is laterally outstanding from lateral surface S1-S1 ' and be used for being connected into rigidity bow-shaped section 204.Therefore, the cylindrical sleeve 212 and the horizontal coupling arrangement 208 that are placed on surperficial S1-S1 ' are implemented as single circle tube element.Circle tube element engages two rigidity bow-shaped sections, and for example rigidity bow-shaped section 204a and 204a ' are so that its opposite end is outwards outstanding and be used for engagement device 210 from surperficial S1-S1 '.
Fig. 2 F shows the part stereogram according to the dummy bar 110 of embodiment of the present utility model.At head end 114 places, rigidity bow-shaped section 206b is connected to dummy bar head 218, and it is configured to clog the open bottom of mould 102 and forms to load and be connected with initial stage metal strand in it.Dummy bar head 218 uses shear pin 220 be connected to head end 114 and therefore can easily dismantle when the initial phase that approaches continuous casting finishes.
According to the embodiment of the present utility model shown in Fig. 2 A to Fig. 2 F, engagement device 210 is placed at least one pair of rigidity bow-shaped section 204.The design and structure of the dummy bar 110 as shown in Fig. 2 A to Fig. 2 F is particularly conducive to the gross weight of guaranteeing dummy bar 110 and keeps lower.
In alternate embodiment of the present utility model, can use rigidity bow-shaped section 206 to replace to rigidity bow-shaped section 204 and engagement device 210 are placed in a pair of lateral surface in rigidity bow-shaped section 204.Explain various exemplary cross section profiles and engagement device in connection with Fig. 3 A to Fig. 3 G now.
Fig. 3 A to Fig. 3 K shows the rigidity bow-shaped section 206 and the various exemplary cross section profiles that are set to engagement device 210 thereon according to various exemplary embodiments of the present utility model.
Fig. 3 A to Fig. 3 D shows the rigidity bow-shaped section 206 with H shape cross-sectional profiles.Rigidity bow-shaped section 206 comprises two pairs of side direction surface S1-S1 ' and S3-S3 ' and two curved surface S2 and S4.As shown in the accompanying drawing of combination, suitably engagement device 210 can be placed on paired lateral surface S1-S1 ' or paired lateral surface S3-S3 ' or curved surface S2 or curved surface S4.
Similarly, Fig. 3 E to Fig. 3 H shows the rigidity bow-shaped section 206 with C shape cross-sectional profiles.Rigidity bow-shaped section 206 comprises two pairs of side direction surface S1-S1 ' and S3-S3 ' and two curved surface S2 and S4.As shown in the accompanying drawing of combination, suitably engagement device 210 can be placed on paired lateral surface S1-S1 ' or paired lateral surface S3-S3 ' or curved surface S2 or curved surface S4.
Similarly, Fig. 3 I to Fig. 3 K shows the rigidity bow-shaped section 206 with rectangular cross-sectional facial contour.Rigidity bow-shaped section 206 comprises a pair of lateral surface S1-S3 and two curved surface S2 and S4.As shown in the accompanying drawing of combination, suitably engagement device 210 can be placed on paired lateral surface S1-S3 or curved surface S2 or curved surface S4.
In alternate embodiment of the present utility model, be implemented to the inside of passing rigidity bow-shaped section 206 and from the extended discrete component of surperficial S1-S3 from the outstanding engagement device 210 of surperficial S1-S3.
It is evident that now, can implement the utility model with the arbitrarily suitable cross-sectional profiles of each rigidity bow-shaped section 206 and/or paired rigidity bow-shaped section 204, thereby as long as at least one surperficial gear assembly that upward makes dummy bar 110 can be stored in unit 112 that engagement device 210 can be put in the inner independently engages (described in conjunction with Fig. 4 A and Fig. 4 B).Therefore, should be appreciated that, although the dummy bar 110 as shown in Fig. 2 A to Fig. 2 F comprises two pairs of rigidity bow-shaped sections 204 and two rigidity bow-shaped sections 206, but in various embodiment of the present utility model, possible is that use is a pair of or more to rigidity bow-shaped section 204 or one or more rigidity bow-shaped section 206 or its any appropriate combination.
Will be apparent to from the description in conjunction with above-mentioned accompanying drawing, engagement device 210 can suitably be placed in from the surface that a pair of lateral surface S1-S1 ', S3-S3 ' and S1-S2 and pair of curved surface S2-S4, S2 '-S4 ' and S2-S4 select so that dummy bar 110 can use one or more gear assembly to be engaged with (in conjunction with Fig. 4 A and Fig. 4 B explanation) in drive unit.Substantive technical elements of the present utility model is to place independently engagement device 210 so that during maintenance and safeguarding, each engagement device 210 can be replaced independently.In embodiment of the present utility model, this can realize with suitable load-carrying unit, wherein places individually engagement device 210 on the surface of this load-carrying unit and it is connected to elongated rigidity bow-shaped structural 202 in a suitable manner with load-carrying unit.Like this and similarly modification be intended to fall in scope of the present utility model.
Fig. 4 A and Fig. 4 B show stereogram and the partial cross sectional view according to the storage unit 112 of the utility model embodiment.
Electro-mechanical drive unit 410 and gear assembly 412 can together be used for controlling the motion of dummy bar 110 and dummy bar 110 being locked in reception position to stop its arbitrary motion.Therefore, drive unit 404, gear assembly 412 particularly, use profile cooperation or profile to coordinate the mechanism of (positive-fit) to engage and drive dummy bar 110.To recognize, drive unit 404 of the present utility model has advantageously been eliminated the frictional fit of using in prior art equipment and has been engaged.In alternate embodiment of the present utility model, if necessary, can also be at the additional locking device of the interior installation of storage unit 112.
Degree of approach sensing module 414 comprises for the described gear assembly 412 of sensing before engaging between gear assembly 412 and dummy bar 110 with respect to the device of the orientation of dummy bar 110.Degree of approach sensing module 414 also comprises for actuator electric drive unit 410 in order to regulate the device of the orientation of described at least one gear assembly 412 based on the orientation of sensing.According to various exemplary embodiments of the present utility model, the degree of approach sensing module 414 dynamo-electric inductive pick-ups of use, rotary encoder etc. come the orientation of sensing gear assembly 412 and generate proximity signal.The device that is used for actuator electric drive unit 410 comprises any proper signal processing module, it receives proximity signal, is identified for guaranteeing the engagement device 210 level and smooth range of angular motion that mesh required gear assembly 412 interior with dummy bar 110, and correspondingly, send actuated signal to electro-mechanical drive unit 410, it suitably changes the orientation of described at least one gear assembly 412.
Thereby position determination module 416 comprises for determining dummy bar 110 with respect to the device of the position of storage unit 112 and being used for activating the device that drawing-resistance straightening unit 106 makes dummy bar 110 disengaging metal strands.According to various exemplary embodiments of the present utility model, the position determination module 416 dynamo-electric inductive pick-ups of use, rotary encoder etc. are determined dummy bar 110 with respect to the position of storage unit 112 and are generated the correspondence position signal.The device that be used for to activate drawing-resistance straightening unit 106 comprises any proper signal processing module, its receiving position signal and correspondingly send actuated signal to drawing-resistance straightening unit 106 in order to make metal strand disengaging dummy bar 110.At last, when dummy bar 110 arrived reception position, position determination module 416 generated respective signal and stops further driving dummy bar 110 of electro-mechanical drive unit 410.
When reception position moved, in the situation that position determination module 416 lost efficacy for a certain reason, emergency braking mechanism 418 was activated at dummy bar 110.Emergency braking mechanism 418 comprises sensing element 418a and outstanding element 418b.During dummy bar 110 motions exceeded reception position, outstanding element 418b activated sensing element 418a, further drove dummy bar 110 thereby its triggering emergency-stop signal stops electro-mechanical drive unit 410.
Will be explained in the operation of initial phase continuous casting equipment 100 in present following explanation.
As explaining in conjunction with Figure 1A and Figure 1B, at initial phase, at first dummy bar 110 moves to casting position from reception position, and turns back to reception position subsequently.
At reception position, dummy bar 110 is supported in storage unit 112.Engagement device 210 suitably is engaged in gear assembly 412.Thereby electro-mechanical drive unit 410 activated along bow-shaped route and drives dummy bar 110 towards mould 102.Along with dummy bar 110 advances towards mould 102, dummy bar 110 engages drawing-resistance straightening unit 106 gradually, and separating tooth wheel assembly 412, guide roller mechanism 408 and frustum of a cone element 406 engage strand guidance unit 104, and finally arrive casting position, as shown in Figure 1B.
Subsequently, as explaining in conjunction with Figure 1A and Figure 1B, allow to form connection between metal strand and dummy bar 110.
Drawing-resistance straightening unit 106 is manipulated into dummy bar 110 is pulled away from mould 102.Thereby dummy bar 110 moves towards storage unit 112 along bow-shaped route.At it towards storage unit between 112 moving periods, the initial frustum of a cone element 406 that engages of dummy bar 110, it helps the first horizontal alignment of dummy bar 110 and storage unit 112.Subsequently, dummy bar 110 engages guide roller mechanism 408, and it helps the second horizontal alignment of dummy bar 110 and storage unit 112.Along with dummy bar 110 near gear assembly 412, thereby the orientation of degree of approach sensing module 414 sensing gear assemblies 412 and provide actuated signal to realize that any necessary of gear assembly 412 changes to electro-mechanical drive unit 410.Afterwards, dummy bar 110 engaging gear assemblies 412.
According to a kind of embodiment of the present utility model, drive unit 404 and particularly electro-mechanical drive unit 410 be constructed such that gear assembly 412 rotates freely until make in dummy bar 110 breaks away from from drawing-resistance straightening unit 106.As long as dummy bar 110 breaks away from drawing-resistance straightening unit 106, electro-mechanical drive unit 410 just begins drive gear assemblies 412 so that dummy bar 110 continues in the interior rising of storage unit 112.According to alternate embodiment of the present utility model, when dummy bar 110 engaging gear assembly 412, gear assembly 412 also begins to provide driving force to pull dummy bar 110.In this case, come the motion of synchromesh gear assembly 412 and drawing-resistance straightening unit 106 with multiple driving simultaneous techniques well known in the art.
At dummy bar 110 during storage unit 112 internal motions, position determination module 416 keep following the tracks of dummy bars 110 with respect to storage unit 112 and thereby with respect to drawing-resistance straightening unit 106(because drawing-resistance straightening unit 106 has the spatial relationship of restriction with storage unit 112) the position.When dummy bar 110 arrives strand between dummy bars 110 and metal strand-bar interface and leaves the position of drawing-resistance straightening unit 106, position determination module 416 sends actuated signal to drawing-resistance straightening unit 106 in order to make dummy bar 110 break away from from the metal strand, and aligning metal strand is in order to advance along horizontal direction.Dummy bar 110 continues driven device 404 and drives so that the final reception position that arrives in storage unit 112 of dummy bar 110 along bow-shaped route.
according to various embodiment of the present utility model, engagement device 210 extends along following at least length, it is lip-deep as upper/lower positions that this length starts from one or more on elongated rigidity bow-shaped structural 202, namely make one/a plurality of gear assemblies 412 engage dummy bar 110 between the position of the reception position of dummy bar 110 and dummy bar 110 dummy bar 110 when mould engages drawing-resistance straightening unit 106 between 102 moving periods, and between deviating from the reception position of the position of the dummy bar 110 of mould when breaking away from drawing-resistance straightening unit 106 between 102 moving periods and dummy bar 210, dummy bar 110 engages dummy bar 110.In the situation that satisfy afore mentioned rules, gear assembly 412 can suitably be selected with respect to the position of dummy bar 110 with respect to position and the engagement device 210 of storage unit.
Mould/dummy-bar assembly of the present utility model provides the simple and firm design of dummy bar and storage unit thereof.The driving mechanism that combination by engagement device and gear assembly realizes provide dummy bar towards and deviate from the controlled motion of mould between moving period.The utility model has been eliminated any slip of dummy bar with respect to storage unit.The utility model advantageously makes it possible to accurately to determine dummy bar with respect to the position of mould/dummy-bar assembly and therefore helps to improve the automation of continuous casting equipment.In addition, according to technology disclosed in the utility model, driving force is provided and has therefore eliminated due to the mechanical damage that is frictionally engaged and causes used in conventional equipment to dummy bar by gear assembly.Because engagement device is placed on dummy bar independently, so in the situation that any mechanical failure can be changed each engagement device independently with the minimum time demand.Therefore, the utility model helps convenience and the low cost safeguarded.In addition, the utility model has avoided the additional locking of installation and arrestment mechanism to prevent that dummy bar is with respect to the needs of the not controlled motion of storage unit.The utility model has been eliminated the not controlled motion of dummy bar under any environment and has therefore been guaranteed the security that strengthens.
Although described the utility model with reference to some embodiment, but should be appreciated that the utility model is not limited to these embodiment.With reference to the utility model, under the prerequisite that does not deviate from the utility model scope and spirit, those skilled in the art can be apparent to many improvement and remodeling.Therefore scope of the present utility model is limited by claims rather than above-mentioned explanation.All modification, improvement and remodeling that fall in claim implication of equal value and scope all are counted as falling in its scope.
Reference numerals list
100 continuous casting equipments
102 moulds
104 strand guidance units
106 drawings-resistance straightening unit
108 mould/dummy-bar assemblies
110 dummy bars
112 storage units
114 head end
116 afterbody ends
118 maintenance platforms
120 driven roller mechanisms
202 elongated rigidity bow-shaped structurals
204 paired rigidity bow-shaped sections
206 rigidity bow-shaped sections
208 horizontal coupling arrangements
210 engagement devices
212 cylindrical sleeves
214 nuts and bolt assemblies
216 screw bolts
218 dummy bar heads
220 shear pins
402 arch support structures
404 drive units
406 first aligning apparatus (frustum of a cone element)
408 second aligning apparatus (guide roller mechanism)
410 electro-mechanical drive unit
412 gear assemblies
414 degree of approach sensing modules
416 position determination module
418 emergency braking mechanisms
Claims (15)
1. mould/dummy-bar assembly (108) that is applicable to continuous casting equipment (100), it is characterized in that described continuous casting equipment (100) comprise along basic vertical direction directed in case form the metal strand open-ended mould (102), be used for being positioned at described strand guidance unit (104) downstream so that along the drawing-resistance straightening unit (106) of horizontal direction drawing and the described metal strand of aligning, described mould/dummy-bar assembly (108) comprising along the strand guidance unit (104) of the described metal strand of bow-shaped route guiding and along described bow-shaped route:
Dummy bar (110) is used for beginning the described metal strand of drawing at casting position, and described dummy bar (110) comprising:
elongated rigidity bow-shaped structural (202), make its longitudinal axis meet described bow-shaped route, described elongated rigidity bow-shaped structural (202) comprises the head end (114) along the relatively more close described mould of described bow-shaped route (102), along described bow-shaped route relatively further from the afterbody end (116) of described mould (102), be basically parallel at least one pair of lateral surface (S1 of the perpendicular that comprises described bow-shaped route, S1 ', S3, S3 '), and at least one pair of curved surface (S2 that is basically perpendicular to the perpendicular that comprises described bow-shaped route, S4)
A plurality of engagement devices (210), described a plurality of engagement device (210) is placed in from least one surface of paired lateral surface (S1, S1 ', S3, S3 ') and curved surface (S2, S4) selection with the relation that evenly separates independently along the described longitudinal axis of described elongated rigidity bow-shaped structural (202)
Storage unit (112) is used for taking in the described dummy bar (110) that is in reception position, and this storage unit (112) is positioned at described drawing-resistance straightening unit (106) downstream along described bow-shaped route, and this storage unit (112) comprising:
Arch support structure (402), this arch support structure is basic and described bow-shaped route is coplanar and be configured to support described dummy bar (110), and
Drive unit (404), be used for driving described dummy bar (110) by described arch support structure (402), described drive unit (404) comprises at least one gear assembly (412), and it is configured to mesh the described a plurality of engagement devices (210) that are placed on described dummy bar (110).
2. mould/dummy-bar assembly according to claim 1 (108), it is characterized in that described elongated rigidity bow-shaped structural (202) comprises at least one pair of the rigidity bow-shaped section that is interconnected into following mode, namely make each rigidity bow-shaped section be parallel to other rigidity bow-shaped sections along the direction that substantially lies across the perpendicular that comprises described bow-shaped route and arrange.
3. mould/dummy-bar assembly according to claim 2 (108), it is characterized in that each rigidity bow-shaped section has the rectangular cross section that is defined by outside lateral surface (S1, S1 '), inner lateral surface (S3, S3 '), exterior curved surface (S2, S2 ') and interior curve surface (S4, S4 '), wherein the described outside lateral surface (S1, S1 ') of paired rigidity bow-shaped section forms described at least one pair of lateral surface of described elongated rigidity bow-shaped structural (202).
4. mould/dummy-bar assembly according to claim 1 (108), it is characterized in that described elongated rigidity bow-shaped structural (202) comprises at least one rigidity bow-shaped section, this rigidity bow-shaped section has in basic rectangular cross section, basic H shape cross section and basic C shape cross section.
5. the described mould/dummy-bar assembly of any one (108) according to claim 2-4, it is characterized in that described elongated rigidity bow-shaped structural (202) comprises the one in first pair of rigidity bow-shaped section and the first rigidity bow-shaped section, it is hinged to the one in second pair of rigidity bow-shaped section and the second rigidity bow-shaped section along its length end to end.
6. the described mould/dummy-bar assembly of any one (108) according to claim 1-4 is characterized in that described engagement device (210) is placed on each lateral surface in a pair of lateral surface of described elongated rigidity bow-shaped structural (202) (S1, S1 ').
7. mould/dummy-bar assembly according to claim 6 (108) is characterized in that each engagement device (210) comprises cylindrical sleeve (212) and described cylindrical sleeve (212) is connected to the coupling arrangement (214,216) of each lateral surface in a pair of lateral surface (S1, S1 ') of described elongated rigidity bow-shaped structural (202).
8. mould/dummy-bar assembly according to claim 6 (108), it is characterized in that described storage unit (112) comprises at least two gear assemblies (412), each gear assembly (412) correspondingly is engaged in the described a plurality of engagement devices (210) on a lateral surface in a pair of lateral surface.
9. the described mould/dummy-bar assembly of any one (108) according to claim 1-4, it is characterized in that described engagement device (210) extends along following length at least, this length starts from that described at least one is lip-deep as upper/lower positions, namely make described at least one gear assembly, (412) at described dummy bar, (110) described reception position and described dummy bar, (110) towards described mould, (102) engage described drawing-resistance straightening unit between moving period, (106) the described dummy bar the time, (110) position and described dummy bar, (110) deviate from described mould, (102) break away from described drawing-resistance straightening unit between moving period, (106) the described dummy bar the time, (110) engage described dummy bar between each position in position, (110).
10. the described mould/dummy-bar assembly of any one (108) according to claim 1-4, it is characterized in that described dummy bar (110) also comprises dummy bar head (218), this dummy bar head (218) is configured to closed described mould (102) and forms and being connected of its interior initial stage metal strand, and removably is connected to described elongated rigidity bow-shaped structural (202) in its described head end (114).
11. the described mould/dummy-bar assembly of any one (108) according to claim 1-4, it is characterized in that described storage unit (112) also comprises frustum of a cone element (406), its end that is placed in described arch support structure (402) is adjacent to described drawing-resistance straightening unit (106) and is formed at described dummy bar (110) and deviates from described mould (102) is realized described dummy bar (110) and described arch support structure (402) between moving period the first horizontal alignment.
12. the described mould/dummy-bar assembly of any one (108) according to claim 1-4, it is characterized in that described storage unit (112) also comprises guide roller mechanism (408), it is formed at described dummy bar (110) and deviates from described mould (102) is realized described dummy bar (110) and described arch support structure (402) between moving period the second horizontal alignment.
13. the described mould/dummy-bar assembly of any one (108) according to claim 1-4 is characterized in that drive unit (404) comprises electro-mechanical drive unit (410).
14. the described mould/dummy-bar assembly of any one (108) according to claim 1-4 is characterized in that described storage unit (112) also comprises the device of the orientation before engaging betwixt with respect to described dummy bar (110) for described at least one gear assembly of sensing (412) and is used for activating described drive unit (404) in order to regulate the device of the orientation of described at least one gear assembly (412).
15. the described mould/dummy-bar assembly of any one (108) according to claim 1-4 is characterized in that described storage unit (112) also comprises for determining described dummy bar (110) with respect to the device of the position of described storage unit (112) and being used for activating described drawing-resistance straightening unit (106) so that the device that described dummy bar (110) breaks away from from described metal strand.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IN1446/KOL/2011 | 2011-11-11 | ||
| IN1446KO2011 | 2011-11-11 |
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| Publication Number | Publication Date |
|---|---|
| CN203265562U true CN203265562U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205887268U Expired - Lifetime CN203265562U (en) | 2011-11-11 | 2012-11-09 | Dummy bar assembly suitable for equipment capable of continuously casting |
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| Country | Link |
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| CN (1) | CN203265562U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107159860A (en) * | 2017-05-04 | 2017-09-15 | 中冶东方工程技术有限公司 | Conticaster |
| CN108348991A (en) * | 2015-11-18 | 2018-07-31 | 首要金属科技奥地利有限责任公司 | The casting device of continuous casting equipment and its operation |
-
2012
- 2012-11-09 CN CN2012205887268U patent/CN203265562U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108348991A (en) * | 2015-11-18 | 2018-07-31 | 首要金属科技奥地利有限责任公司 | The casting device of continuous casting equipment and its operation |
| CN107159860A (en) * | 2017-05-04 | 2017-09-15 | 中冶东方工程技术有限公司 | Conticaster |
| CN107159860B (en) * | 2017-05-04 | 2019-12-06 | 中冶东方工程技术有限公司 | Continuous casting machine |
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