CN104028569A - Coiling system of wire mill used for steelmaking process and control method for coiling system - Google Patents
Coiling system of wire mill used for steelmaking process and control method for coiling system Download PDFInfo
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- CN104028569A CN104028569A CN201410299272.6A CN201410299272A CN104028569A CN 104028569 A CN104028569 A CN 104028569A CN 201410299272 A CN201410299272 A CN 201410299272A CN 104028569 A CN104028569 A CN 104028569A
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Abstract
The invention discloses a coiling system of a wire mill used for a steelmaking process and a control method for the coiling system. The coiling system is arranged below the tail end of an LCC (leadless chip carrier) roller bed, and comprises a coiling barrel, double mandrels, a nose cone, a supporting plate, a coil supporting trolley and the like, wherein a deviation stopping device is arranged at the tail of an LCC; the double mandrels comprise an inner mandrel and an outer mandrel; and a mandrel cover is arranged on the outer side of the inner mandrel and is a hoop. Deviated coils are stopped to the position of a rolling center line, and can enter the coiling barrel along the center position so as to be coiled; the structure of the inner mandrel and the structure of the outer mandrel are improved, the probability that steel is hung on the mandrels is greatly reduced, and a phenomenon that the steel is hung on the mandrels is basically eliminated; a brake is improved, and the supporting plate can be positioned at any positions; the coiling barrel is improved, the double mandrels can rotate safely, and the coils can be coiled in a pair of semicircular barrels; front-back movement of the coils is limited; and the range of left-right movement of the coils is reduced.
Description
Technical field
The invention belongs to the production equipment manufacturing technology field in steel-making ironmaking manufacturing process, specifically, relate to a kind of volume system of the rod-rolling mill collection for process for making and control method thereof, specifically belong to rod-rolling mill loop depositing device machinery and control mode thereof are improved, by plant machinery structure being optimized to the method that solves mechanical breakdown.
Background technology
In steel-making ironmaking technology field, for the application of rod-rolling mill collection volume system, most steel mills choice set volume station.Collect volume erect-position in LCC roller-way end below.Region, collection volume station forms by collecting reel, double-core axle, supporting plate and holder volume dolly.Integrating the actual maximum of collecting of volume rolls up high as 3000mm, collecting coil of wire size external diameter is Ф 1250mm, internal diameter is Ф 850mm, fortune volume distance is 6000mm, the function at collection volume station is the top to collection reel by the coil horizontal motion on LCC roller-way, then vertically drop into integrated rolled in collection reel, by holder, roll up cart transport to C type hook.Its collection licks journey, and the coil of wire of coming from LCC roller-way is level and enters collection reel, by being positioned at the nose cone of collection reel center, falls on disengaging pawl, and the disengaging pawl device that at this moment nose cone is driven by this cylinder holds up, to accept, coils.After coiling and falling on disengaging pawl, when one of double-core axle is in collection volume position, and when inner core rod promotes picking-up nose cone by hydraulic cylinder, disengaging pawl is opened, coil on the supporting plate of falling below, by driving supporting plate to decline by motor driving chain-wheel mechanism, until the whole coil of wire is all collected on plug, nose cone is held by disengaging pawl again, waits for and receives the next coil of wire.Supporting plate is opened simultaneously, and inner core rod declines, and positional cylinder resets, Mandrel Rotating; At this moment, the plug of the full volume of collection is rotated to horizontal level by upright position, and the Mandrel Rotating of horizontal level is to upright position, to prepare the accepting next one, coils.Holder volume dolly unloads and coils from collecting the horizontal plug of full volume, and will coil on the C type hook of delivering to monorail conveyer.Repeat above-mentioned action, can collect coiling.
In prior art, because rod-rolling mill collection volume internal system structure is reasonable not, there is following many technical problems:
In prior art, the coil sideslip of weaving silk of rod-rolling mill collection volume system, enters to collect reel more difficult; Platform is arranged at plug top, because of the technological deficiencies such as platform that form after inner core rod rising.Above-mentioned technological deficiency causes in process of production, region, collection volume station faults frequent, and these major failures to be double-core axles hang steel and wire rod rolling more disorderly causes the coil of wire to exit from holder volume dolly, bundling is rolled up difficulty with unloading, these problems are seriously restricting and are producing, and have had a strong impact on production efficiency, cause cost to increase, when serious, can bring unsafe factor.
Summary of the invention
Technical problem to be solved by this invention is that the coil sideslip of weaving silk due to rod-rolling mill collection volume system in prior art, enters to collect reel more difficult; Platform is arranged at plug top, the platform forming after rising because of inner core rod etc., cause region, collection volume station faults frequent, bundling is rolled up difficulty with unloading, and is seriously restricting and is producing, and has had a strong impact on production efficiency, cause cost to increase, when serious, the technical problems such as unsafe factor be can bring, a kind of volume system of the rod-rolling mill collection for process for making and control method thereof the invention provides.
Technical conceive of the present invention is, in order to solve above-mentioned prior art, causes region, collection volume station faults frequent, bundling and unload volume difficulty, seriously restricting and producing, have a strong impact on production efficiency, caused cost to increase, when serious, can bring the technical problems such as unsafe factor, the present invention is that technical conceive is, improves at LCC afterbody rise and fall roller, and two edger rolls are respectively installed in its both sides, the coil of sideslip is kept off on rolling center line position, make these coils can enter along center collection reel rolling; The structure of improving inner core rod and outer plug, makes its extension steel chance that has greatly reduced plug, substantially eliminates the phenomenon that plug is hung steel; Improve brake, can guarantee that supporting plate can move location in any position; Collection reel has been carried out to following improvement, in the bottom of collection reel, half garden cylinder has been installed, can guarantee the safety rotation of double-core axle, can make again coil can be in this double garden cylinder rolling, limited moving forward and backward and having dwindled the scope that coil moves left and right of coil.
Technical scheme provided by the present invention is: a kind of volume of the rod-rolling mill collection for process for making system, described collection volume system is arranged on LCC roller-way end below, described collection volume system comprises collection reel, double-core axle, nose cone, supporting plate and holder volume dolly etc., at described LCC afterbody, gear deflection device is set; Described double-core axle comprises inner core rod, outer plug, in described inner core rod outside, is provided with plug cover, shown in plug cover be a circular boop.
Described supporting plate is to drive chain-wheel mechanism to drive supporting plate to move up and down by hydraulic motor, and realize by electrical control band-type brake supporting plate location, and band-type brake dish is directly installed on supporting plate transmission main shaft, the moment of torsion M of described air-actuated band brake
2moment of torsion M on > main shaft
1.
Liang Geban garden cylinder is set, the moving forward and backward and dwindle the scope that coil moves left and right of described Liang Geban garden cylinder limiting coil in the bottom of described collection reel.
Gear deflection device is two edger rolls, and described two edger rolls are arranged in the both sides of described LCC afterbody rise and fall roller.
Described outer plug comprises four platforms, and the four platforms of described outer plug is grinding into ramp structure.
Described circular boop is Ф 435*190mm, and described circular boop covers on the outside of described inner core rod; Described circular boop is welded on described outer plug.
The height of described half garden cylinder is that 900mm is high, and diameter is ф 1260mm, and described half garden cylinder comprises first half garden cylinder and later half garden cylinder, and described first half Yuan Tong garden arc angle is 70 °, and described later half Yuan Tong garden arc angle is 120 °.
A kind of volume of the rod-rolling mill collection for process for making system control method, described collection volume system is arranged on LCC roller-way end below, described collection volume system comprises collection reel, double-core axle, nose cone, supporting plate and holder volume dolly etc., at described LCC afterbody, gear deflection device is set; Described double-core axle comprises inner core rod, outer plug, in described inner core rod outside, is provided with circular boop;
A, in the both sides of LCC afterbody rise and fall roller, two edger rolls are respectively installed, the coil of sideslip is kept off on rolling center line position, make these coils can enter along center collection reel rolling;
B, the four platforms of outer plug is grinding into inclined-plane, is beneficial to falling of the coil of wire; The circular boop of being a Ф 435*190mm in inner core rod outside, is welded on outer plug and covers inner core rod; Transformation by us to plug, has greatly reduced the extension steel chance of plug, eliminates the phenomenon that plug is hung steel;
C, supporting plate are to drive chain-wheel mechanism to drive supporting plate to move up and down by hydraulic motor, realize by electrical control band-type brake supporting plate location, and band-type brake dish is directly installed on supporting plate transmission main shaft, make the supporting plate movable stand and the coil of wire that so weigh can both stablize and stop moving car in any position, the moment of torsion of brake must be greater than the moment of torsion of sprocket wheel on main shaft so; Known chain wheel diameter ф 340mm, supporting plate movable stand system and coil of wire weight are 5000Kg, coefficient of friction ц=0.2 between movable stand and column, F
1for supporting plate movable stand system and coil of wire weight,
F
2for the friction between movable stand and column,
M
1for the moment of torsion on main shaft,
By calculating M
1=(F
1-F
2) * d=(50000-50000*0.2) * 0.17=6800Nm,
Selecting following Pneumatic gate valve thrust is 31700N, and the distance of brake rubber block and supporting plate transmission main shaft is 265mm, and the coefficient of friction of brake rubber block and brake disc is ц=0.22, and brake rubber block number is 4:
M
2moment of torsion for air-actuated band brake
M
2＝31700＊0.22*0.265*4＝7395Nm
M
2>M
1；
D, in the bottom of collection reel, two 900mm Gao Ban garden cylinders are installed, described half garden cylinder diameter is ф 1260mm, and first half Yuan Tong garden arc angle is 70 °, later half Yuan Tong garden arc angle is 120 °, can guarantee the safety rotation of double-core axle, can make again coil can be in this double garden cylinder rolling, limited moving forward and backward and having dwindled the scope that coil moves left and right of coil.
Adopt technical scheme provided by the present invention, can effectively solve by the coil sideslip of weaving silk due to rod-rolling mill collection volume system in prior art, enter to collect reel more difficult; Platform is arranged at plug top, the platform forming after rising because of inner core rod etc., cause region, collection volume station faults frequent, bundling is rolled up difficulty with unloading, and is seriously restricting and is producing, had a strong impact on production efficiency, cause cost to increase, when serious, can bring the technical problems such as unsafe factor, the present invention can keep off the coil of sideslip on rolling center line position, makes these coils can enter along center collection reel rolling; The structure of improving inner core rod and outer plug, makes its extension steel chance that has greatly reduced plug, substantially eliminates the phenomenon that plug is hung steel; Improve brake, can guarantee that supporting plate can move location in any position; Improve the safety rotation that collection reel can guarantee double-core axle, can make again coil can be in this double garden cylinder rolling, limited moving forward and backward and having dwindled the scope that coil moves left and right of coil.By implementing the present invention, save fault time: 20x2x500=20000 unit/month; The each maintenance outage of 20-causes fault time; 2-is 2 faults monthly; The economic loss that 500-causes fault time per minute; Because product surface quality improves, create economic benefit: by 600,000 tons of annual productions, calculate, estimate 1,200,000 yuan of year create beneficial results, amount to and can produce economic benefit every year: 1,220,000 yuan.
Accompanying drawing explanation
Fig. 1 is inner core rod of the prior art and outer mandrel structure schematic diagram;
Fig. 2 is inner core rod and outer mandrel structure schematic diagram after transformation of the present invention;
Fig. 3 is plug cover structure schematic diagram of the present invention;
Wherein, 1 is outer plug; 2 is circular boop; A is for hanging steel place.
The specific embodiment
As shown in Figure 1, be the structural representation of prior art;
As Figure 2-3, for structural representation of the present invention, technical scheme provided by the present invention is, a kind of volume of the rod-rolling mill collection for process for making system, described collection volume system is arranged on LCC roller-way end below, described collection volume system comprises collection reel, double-core axle, nose cone, supporting plate and holder volume dolly etc., at described LCC afterbody, gear deflection device is set; Described double-core axle comprises inner core rod, outer plug 1, in described inner core rod outside, is provided with plug cover, shown in plug cover be a circular boop 2.
Described supporting plate is to drive chain-wheel mechanism to drive supporting plate to move up and down by hydraulic motor, and realize by electrical control band-type brake supporting plate location, and band-type brake dish is directly installed on supporting plate transmission main shaft, the moment of torsion M of described air-actuated band brake
2moment of torsion M on > main shaft
1.
Liang Geban garden cylinder is set, the moving forward and backward and dwindle the scope that coil moves left and right of described Liang Geban garden cylinder limiting coil in the bottom of described collection reel.
Gear deflection device is two edger rolls, and described two edger rolls are arranged in the both sides of described LCC afterbody rise and fall roller.
Described outer plug 1 comprises four platforms, and the four platforms of described outer plug 1 is grinding into ramp structure.
Described circular boop 2 is Ф 435*190mm, and described circular boop 2 covers on the outside of described inner core rod; Described circular boop 2 is welded on described outer plug 1.
The height of described half garden cylinder is that 900mm is high, and diameter is ф 1260mm, and described half garden cylinder comprises first half garden cylinder and later half garden cylinder, and described first half Yuan Tong garden arc angle is 70 °, and described later half Yuan Tong garden arc angle is 120 °.
A kind of volume of the rod-rolling mill collection for process for making system control method, described collection volume system is arranged on LCC roller-way end below, described collection volume system comprises collection reel, double-core axle, nose cone, supporting plate and holder volume dolly etc., at described LCC afterbody, gear deflection device is set; Described double-core axle comprises inner core rod, outer plug 1, in described inner core rod outside, is provided with circular boop 2;
A, in the both sides of LCC afterbody rise and fall roller, two edger rolls are respectively installed, the coil of sideslip is kept off on rolling center line position, make these coils can enter along center collection reel rolling;
B, the four platforms of outer plug 1 is grinding into inclined-plane, is beneficial to falling of the coil of wire; The circular boop 2 of being a Ф 435*190mm in inner core rod outside, is welded on outer plug 1 and covers inner core rod; Transformation by us to plug, has greatly reduced the extension steel chance of plug, eliminates the phenomenon that plug is hung steel;
C, supporting plate are to drive chain-wheel mechanism to drive supporting plate to move up and down by hydraulic motor, realize by electrical control band-type brake supporting plate location, and band-type brake dish is directly installed on supporting plate transmission main shaft, make the supporting plate movable stand and the coil of wire that so weigh can both stablize and stop moving car in any position, the moment of torsion of brake must be greater than the moment of torsion of sprocket wheel on main shaft so; Known chain wheel diameter ф 340mm, supporting plate movable stand system and coil of wire weight are 5000Kg, coefficient of friction ц=0.2 between movable stand and column, F
1for supporting plate movable stand system and coil of wire weight,
F
2for the friction between movable stand and column,
M
1for the moment of torsion on main shaft,
By calculating M
1=(F
1-F
2) * d=(50000-50000*0.2) * 0.17=6800Nm,
Selecting following Pneumatic gate valve thrust is 31700N, and the distance of brake rubber block and supporting plate transmission main shaft is 265mm, and the coefficient of friction of brake rubber block and brake disc is ц=0.22, and brake rubber block number is 4:
M
2moment of torsion for air-actuated band brake
M
2＝31700＊0.22*0.265*4＝7395Nm
M
2>M
1；
D, in the bottom of collection reel, two 900mm Gao Ban garden cylinders are installed, described half garden cylinder diameter is ф 1260mm, and first half Yuan Tong garden arc angle is 70 °, later half Yuan Tong garden arc angle is 120 °, can guarantee the safety rotation of double-core axle, can make again coil can be in this double garden cylinder rolling, limited moving forward and backward and having dwindled the scope that coil moves left and right of coil.
Technical problem to be solved by this invention is exactly can solve double-core axle to hang steel and the more random main cause of coil rolling, by the method, can and change smaller in the situation that in investment, by plant machinery structure is optimized and solves fault, make equipment stable operation.
The technical scheme of invention, in order to address the above problem, need to be set about from following several respects:
1, solve the coil sideslip of weaving silk and enter to collect the more difficult so-called problem of reel
2, solve the problem that plug top has platform rising to hang steel.
3, solve the problem that supporting plate can not stable position.
4, solve the problem of coil of wire neither one condition of rolling in cylinder.
5, implementation result:
The approach that the present invention addresses the above problem, specifically describes as follows:
1. the coil sideslip of weaving silk enters to collect the more difficult analysis of causes of reel and solution
In prior art, the spinning rate of Laying head is under the guiding of setting value, along with the friction speed of rolling tensile force also has different variations, its variation just may cause the circle that spues and, not in the centre position of rolling centerline, may take back, also may take over, the indefinite coil in left and right just can not fall on plug along center like this, causes plug to hang steel.For this problem, the present invention respectively installs two edger rolls in the both sides of LCC afterbody rise and fall roller, and the coil of sideslip is kept off on rolling center line position, makes these coils can enter along center collection reel rolling.
2. platform is arranged at plug top, because of the platform forming after inner core rod rising.
Plug is positioned at the bottom of nose cone, it is comprised of inner core rod and outer plug 1 two parts, structure of the prior art as shown in Figure 1, coil is in dropping process, almost every dish coil of wire all to hang over four side plate top platforms of outer plug 1 and the platform that forms after rising because of inner core rod on, a place as shown in Figure 1, a place is for hanging steel place.Hang steel position as shown in Figure 1, hang the situation of steel for plug, the present invention transforms four of plug side plates; After transformation, structure as shown in Figure 2, is namely grinding into inclined-plane by the four platforms of outer plug 1, is beneficial to falling of the coil of wire.After the four platforms of plug is transformed, while starting again inner core rod to withstand nose cone, a high about 200mm who forms between plug and nose cone, internal diameter is Ф 260mm, external diameter is that the reason of the annular platform extension steel of Ф 420mm is analyzed.
Reason (1) is when the coil of wire is in dropping process, the coil of wire approaches while leaving collection bobbin trunk bottom, when if at this moment one side of the coil of wire just in time bumps against barrel, the coil of wire will rebound so, at this moment the another side of the coil of wire has left collection reel, because bounce-back causes the coil of wire, be suspended on the annular platform between inner core rod and outer plug 1, again cause the coil of wire to hang on plug.Reason (2) is during due to the different wire rod of rolling, adopt different roller table speeds, difference due to roller table speed, after weaving silk, the thickness of coil is not identical yet, when coil enters collection reel so, also can not be that level drops on plug, sometimes along nose cone certain one side oblique getting off, sometimes along oblique decline of barrel of collection reel, when the coil of wire leaves nose cone or collection reel barrel, because the coil of wire is without any support, while entering this section of annular section, be subject to the effect of coil of wire center of gravity, gradient strengthens, move to collection reel center on the top of this section of coil of wire, be easy to like this be suspended on the annular platform between inner core rod and outer plug 1, cause the coil of wire to hang on plug, we find to only have this platform of elimination by analysis, could solve the coil of wire and hang herein steel.So we do the circular boop 2 of a Ф 435*190mm in inner core rod outside, be welded on outer plug 1 and cover inner core rod, structure as shown in Figure 3.Transformation by us to plug, has greatly reduced the extension steel chance of plug, substantially eliminates the phenomenon that plug is hung steel.
3. supporting plate can not stable position the analysis of causes and solution
Supporting plate is to drive chain-wheel mechanism to drive supporting plate to move up and down by hydraulic motor, realize by electrical control band-type brake supporting plate location, and band-type brake dish is directly installed on supporting plate transmission main shaft, according to design, we know, the model of hydraulic contracting is that YWZ5-250/30 is known by looking into < < Course Exercise in Machinery Elements Design handbook > >, the brake braking moment of this model is 225 ∽ 360Nm, the gross weight that we can calculate supporting plate movable stand system from drawing is approximately about 3000Kg and the about 2300Kg of the weight of the coil of wire, their gross weight is approximately about 5000Kg and the diameter of sprocket wheel is ф 340mm, make the supporting plate movable stand and the coil of wire that so weigh can both stablize and stop moving car in any position, the moment of torsion of brake must be greater than the moment of torsion of sprocket wheel on main shaft so.
Known chain wheel diameter ф 340mm, supporting plate movable stand system and coil of wire weight are 5000Kg, coefficient of friction ц=0.2 between movable stand and column, F
1for supporting plate movable stand system and coil of wire weight
F
2for the friction between movable stand and column
M
1for the moment of torsion on main shaft
We are by calculating M
1=(F
1-F
2) * d=(50000-50000*0.2) * 0.17=6800Nm
Moment of torsion from the known sprocket wheel of above calculating on main shaft is far longer than the moment of torsion of YWZ5 model brake, so supporting plate cannot aloft be located, we have selected a kind of Pneumatic gate valve, we are known according to data, this Pneumatic gate valve thrust is 31700N, the distance of brake rubber block and supporting plate transmission main shaft is 265mm, and the coefficient of friction of brake rubber block and brake disc is ц=0.22, and brake rubber block number is 4:
M
2moment of torsion for air-actuated band brake
M
2＝31700＊0.22*0.265*4＝7395Nm
M
2>M
1
If this kind of brake is installed, just can guarantee that supporting plate can move location in any position.We modify to the foundation of supporting plate transmission mechanism according to the structure of this brake, and this brake has successfully been installed, and its change wire rod Lapping Quality that is installed as creates conditions.
4, the analysis of causes and the solution of coil of wire neither one condition of rolling in cylinder
We in to the transformation of plug and supporting plate, also research and analysis the more random problem of collection volume station track circle rolling.If the coil of wire on plug is more random, just may cause the coil of wire to unload into all very difficult from plug, cause again plug and coil of wire friction simultaneously, affect wire quality.For this problem, by analysis, causing main cause that rolling is more random is that supporting plate can not stable position and the condition of coil of wire neither one rolling in cylinder.Known from drawing, the diameter of nose cone is ф 850mm, integrate drum diameter as ф 1250mm, and plug the widest part also only has 760mm, when the coil of wire is fallen plug, because surrounding is not blocked, the coil of wire all around all can contact with plug on horizontal level, cause coil of wire internal diameter to diminish, it is large that external diameter becomes, want head it off, we have carried out following improvement to collection reel, two 900mm Gao Ban garden cylinders are installed in bottom at collection reel, its diameter is ф 1260mm, and first half Yuan Tong garden arc angle is 70 °, later half Yuan Tong garden arc angle is 120 °, can guarantee like this safety rotation of double-core axle, can make again coil can be in this double garden cylinder rolling, limited moving forward and backward and having dwindled the scope that coil moves left and right of coil, by the 3rd, the solution of the 4th problem, greatly improved the Lapping Quality of coil.
Claims (8)
1. the rod-rolling mill collection for process for making is rolled up system, described collection volume system is arranged on LCC roller-way end below, described collection volume system comprises collection reel, double-core axle, nose cone, supporting plate and holder volume dolly etc., it is characterized in that, at described LCC afterbody, gear deflection device is set; Described double-core axle comprises inner core rod, outer plug 1, in described inner core rod outside, is provided with plug cover, shown in plug cover be a circular boop 2.
2. a kind of rod-rolling mill collection for process for making according to claim 1 is rolled up system, it is characterized in that, described supporting plate is to drive chain-wheel mechanism to drive supporting plate to move up and down by hydraulic motor, realize by electrical control band-type brake supporting plate location, and band-type brake dish is directly installed on supporting plate transmission main shaft, the moment of torsion M of described air-actuated band brake
2moment of torsion M on > main shaft
1.
3. a kind of rod-rolling mill collection for process for making according to claim 1 and 2 is rolled up system, it is characterized in that, Liang Geban garden cylinder is set, the moving forward and backward and dwindle the scope that coil moves left and right of described Liang Geban garden cylinder limiting coil in the bottom of described collection reel.
4. a kind of volume of the rod-rolling mill collection for process for making system according to claim 3, is characterized in that, gear deflection device is two edger rolls, and described two edger rolls are arranged in the both sides of described LCC afterbody rise and fall roller.
5. a kind of volume of the rod-rolling mill collection for process for making system according to claim 4, is characterized in that, described outer plug 1 comprises four platforms, and the four platforms of described outer plug 1 is grinding into ramp structure.
6. a kind of volume of the rod-rolling mill collection for process for making system according to claim 5, is characterized in that, described circular boop 2 is Ф 435*190mm, and described circular boop 2 covers on the outside of described inner core rod; Described circular boop 2 is welded on described outer plug 1.
7. a kind of rod-rolling mill collection for process for making according to claim 5 is rolled up system, it is characterized in that, the height of described half garden cylinder is that 900mm is high, diameter is ф 1260mm, described half garden cylinder comprises first half garden cylinder and later half garden cylinder, described first half Yuan Tong garden arc angle is 70 °, and described later half Yuan Tong garden arc angle is 120 °.
8. the rod-rolling mill collection for process for making is rolled up system control method, described collection volume system is arranged on LCC roller-way end below, described collection volume system comprises collection reel, double-core axle, nose cone, supporting plate and holder volume dolly etc., it is characterized in that, at described LCC afterbody, gear deflection device is set; Described double-core axle comprises inner core rod, outer plug 1, in described inner core rod outside, is provided with circular boop 2;
A, in the both sides of LCC afterbody rise and fall roller, two edger rolls are respectively installed, the coil of sideslip is kept off on rolling center line position, make these coils can enter along center collection reel rolling;
B, the four platforms of outer plug 1 is grinding into inclined-plane, is beneficial to falling of the coil of wire; The circular boop 2 of being a Ф 435*190mm in inner core rod outside, is welded on outer plug 1 and covers inner core rod; Transformation by us to plug, has greatly reduced the extension steel chance of plug, eliminates the phenomenon that plug is hung steel;
C, supporting plate are to drive chain-wheel mechanism to drive supporting plate to move up and down by hydraulic motor, realize by electrical control band-type brake supporting plate location, and band-type brake dish is directly installed on supporting plate transmission main shaft, make the supporting plate movable stand and the coil of wire that so weigh can both stablize and stop moving car in any position, the moment of torsion of brake must be greater than the moment of torsion of sprocket wheel on main shaft so; Known chain wheel diameter ф 340mm, supporting plate movable stand system and coil of wire weight are 5000Kg, coefficient of friction ц=0.2 between movable stand and column, F
1for supporting plate movable stand system and coil of wire weight,
F
2for the friction between movable stand and column,
M
1for the moment of torsion on main shaft,
By calculating M
1=(F
1-F
2) * d=(50000-50000*0.2) * 0.17=6800Nm,
Selecting following Pneumatic gate valve thrust is 31700N, and the distance of brake rubber block and supporting plate transmission main shaft is 265mm, and the coefficient of friction of brake rubber block and brake disc is ц=0.22, and brake rubber block number is 4:
M
2moment of torsion for air-actuated band brake
M
2＝31700＊0.22*0.265*4＝7395Nm
M
2>M
1；
D, in the bottom of collection reel, two 900mm Gao Ban garden cylinders are installed, described half garden cylinder diameter is ф 1260mm, and first half Yuan Tong garden arc angle is 70 °, later half Yuan Tong garden arc angle is 120 °, can guarantee the safety rotation of double-core axle, can make again coil can be in this double garden cylinder rolling, limited moving forward and backward and having dwindled the scope that coil moves left and right of coil.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104874621A (en) * | 2015-05-13 | 2015-09-02 | 唐山钢铁集团微尔自动化有限公司 | High speed wire rod coiling system swinging hydraulic cylinder control device |
| CN105499308A (en) * | 2016-01-28 | 2016-04-20 | 内蒙古包钢钢联股份有限公司 | Supporting plate controlling method in high speed wire rod production |
| CN109465305A (en) * | 2018-11-16 | 2019-03-15 | 新兴铸管股份有限公司 | A kind of high line collection volume system gear steel device |
| CN113245398A (en) * | 2021-04-29 | 2021-08-13 | 广西钢铁集团有限公司 | Double-arm mandrel rotation positioning method |
| CN114558895A (en) * | 2022-03-07 | 2022-05-31 | 中天钢铁集团(南通)有限公司 | High-speed wire-wrapping type regulation control method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104874621A (en) * | 2015-05-13 | 2015-09-02 | 唐山钢铁集团微尔自动化有限公司 | High speed wire rod coiling system swinging hydraulic cylinder control device |
| CN105499308A (en) * | 2016-01-28 | 2016-04-20 | 内蒙古包钢钢联股份有限公司 | Supporting plate controlling method in high speed wire rod production |
| CN109465305A (en) * | 2018-11-16 | 2019-03-15 | 新兴铸管股份有限公司 | A kind of high line collection volume system gear steel device |
| CN109465305B (en) * | 2018-11-16 | 2024-02-09 | 新兴铸管股份有限公司 | Steel blocking device of high-speed wire coil collecting system |
| CN113245398A (en) * | 2021-04-29 | 2021-08-13 | 广西钢铁集团有限公司 | Double-arm mandrel rotation positioning method |
| CN114558895A (en) * | 2022-03-07 | 2022-05-31 | 中天钢铁集团(南通)有限公司 | High-speed wire-wrapping type regulation control method |
| CN114558895B (en) * | 2022-03-07 | 2023-04-18 | 中天钢铁集团(南通)有限公司 | High-speed wire packet type regulation control method |
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