CN114618886A - Fault processing method after swing shearing of continuous casting and rolling of thin slab - Google Patents
Fault processing method after swing shearing of continuous casting and rolling of thin slab Download PDFInfo
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- CN114618886A CN114618886A CN202210248359.5A CN202210248359A CN114618886A CN 114618886 A CN114618886 A CN 114618886A CN 202210248359 A CN202210248359 A CN 202210248359A CN 114618886 A CN114618886 A CN 114618886A
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- 238000009749 continuous casting Methods 0.000 title claims abstract description 33
- 238000005096 rolling process Methods 0.000 title claims abstract description 31
- 238000010008 shearing Methods 0.000 title claims description 16
- 238000003672 processing method Methods 0.000 title claims description 4
- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 23
- 239000002699 waste material Substances 0.000 claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 claims abstract description 22
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000011143 downstream manufacturing Methods 0.000 claims abstract description 5
- 238000003860 storage Methods 0.000 claims abstract description 4
- 239000012774 insulation material Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 229910000831 Steel Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B28/00—Maintaining rolls or rolling equipment in effective condition
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0007—Cutting or shearing the product
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0007—Cutting or shearing the product
- B21B2015/0014—Cutting or shearing the product transversely to the rolling direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The invention relates to a fault treatment method after sheet billet continuous casting and rolling pendulum shear, belonging to the technical field of hot rolled strip continuous casting and rolling. The method specifically comprises the following steps: when the downstream process of the pendulum shear needs to be stopped, the pendulum shear breaks the continuously produced thin slabs; a folding loop is formed between the lifting of the belt-driven lifting roller and the fixed roller, and the thin slab is pulled out of the pendulum shear; the belt sealing lifting mechanism lifts the thin slab from the belt transmission roller way; the swing shears cut the upstream sheet billet which continuously moves forward into a plurality of blocks, the upstream sheet billet is pushed to a storage area outside the production line by a waste pushing device, and an operator cuts off the lifted sheet billet and lifts the sheet billet off the production line by a crane; after the equipment fault is repaired, the belt seal lifting bracket and the belt drive lifting roller rapidly descend below the elevation of the roller way. The invention adopts the folding loop to pull out the thin slab cut by the pendulum shear from the interior of the pendulum shear, thereby avoiding the problems that the device is damaged by the interference with the pendulum shear when the thin slab is lifted and the thin slab cannot be processed when the thin slab is lifted too high by the loop.
Description
Technical Field
The invention belongs to the technical field of continuous casting and rolling of sheet billets, and relates to a fault treatment method after pendulum shearing of continuous casting and rolling of sheet billets.
Background
Compared with the conventional hot-rolled sheet billet production technology, the hot-rolled strip continuous casting and rolling technology has the advantages of energy conservation and emission reduction, particularly the thin strip endless continuous casting and rolling technology represented by ESP (electronic stability program) is rapidly developed at home and abroad in nearly 10 years, and becomes an important selection path for green and intelligent hot rolling. The pendulum shear and the scrap pushing area in the continuous casting and rolling process play roles of removing a dummy bar and a scrap blank when continuous casting starts to cast, and play roles of shearing and continuously pushing out scrap steel when accidents occur in the downstream process, so that continuous production is ensured without being influenced by the downstream accidents, the production recovery time is reduced, and the heat supplementing cost of molten steel is reduced.
The technical scheme of the existing fault handling system after the pendulum shear is completed by matching a swinging loop with a lifting mechanism, and has the following problems: on one hand, the swing type loop needs to lift the thin slab upwards in an inclined way by nearly 4 meters, and the thin slab is positioned in the loop, so that an operator cannot process the lifted thin slab at all and has no operability; on the other hand, the mechanism is huge and the investment cost is high.
Therefore, it is very necessary to develop a fault handling method after pendulum shear for continuous casting and rolling of thin slabs, which satisfies the fault handling function after pendulum shear, satisfies the requirement of an operator for operation of lifting the thin slabs, simplifies the structure and reduces the investment.
Disclosure of Invention
In view of the above, the present invention provides a method for handling faults after thin slab continuous casting and rolling pendulum shear, so as to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a fault processing method after swing shear of continuous casting and rolling of thin slabs comprises the steps that the swing shear, a belt transmission roller way and guide rollers are sequentially arranged according to the transmission direction of the thin slabs, and intervals among the rollers of the belt transmission roller way are designated as mounting points; sealed lifting bracket in area and push away useless device and set up at the mounting point according to the transmission direction of sheet bar crisscross in proper order, and belt drive lift roller sets up and is being close to two non-adjacent mounting points department in guide roll one side, is equipped with two fixed rolls above the belt drive roll table, with belt drive lift roller staggered arrangement, its characterized in that includes following steps:
a. when the downstream process of the pendulum shears has an accident and needs to be stopped, the continuously produced thin slabs are cut off by the pendulum shears;
b. a folding loop is formed between the lifting of the belt-driven lifting roller and the fixed roller, and the thin slab is pulled out of the pendulum shear;
c. lifting the belt sealing lifting mechanism to lift the sheet billet from the belt transmission roller way and leave a waste pushing treatment space;
d. the swing shears cut the continuously advancing upstream thin slab into a plurality of pieces, the upstream thin slab is accelerated and driven by a belt transmission roller way, the upstream thin slab moves to a waste pushing area and is pushed to a storage area outside a production line by a waste pushing device, and an operator cuts the lifted thin slab and lifts the thin slab off the production line by a crane;
e. after the equipment failure is processed and the waste thin slab is lifted away from the production line, the belt sealing lifting bracket and the belt driving lifting roller quickly descend below the elevation on the roller way to continue production.
Further, the lifting bracket with the seal comprises a first lifting support, a first driving device for driving the first lifting support to lift, and a bracket which is connected with the first lifting support and is used for bearing the thin slab.
Furthermore, a heat insulation material is arranged on one side of the bracket far away from the thin slab, and the heat insulation material is arranged below the bracket, so that a closed space can be formed together with the belt transmission roller way under the non-fault condition, the heat of the thin slab is insulated, the heat loss of the thin slab is avoided, and the requirement on production temperature cannot be met.
Further, the belt transmission lifting roller comprises a second lifting support, a second driving device for driving the second lifting support to lift, and a roller which is connected with the second lifting support and used for bearing the thin slab.
Further, the belt-driven lifting roller further comprises a gear motor and a coupler, the gear motor is mounted on the second lifting support to drive the roller to rotate, the coupler is mounted between the gear motor and the roller, the roller is driven to rotate through the gear motor, and when the belt-driven lifting roller and the fixed roller form a folding loop to lift a thin slab, friction force between the thin slab and the roller is reduced, and therefore resistance and roller abrasion are reduced.
Further, the guide roller comprises a third fixed frame, and an upper guide roller and a lower guide roller which are arranged on the third fixed frame, a thin slab channel is formed between the upper guide roller and the lower guide roller, when faults are processed, when the belt-driven lifting roller lifts a thin slab, the upper guide roller way conducts limiting guide on the lifted thin slab, equipment scratching can be avoided, and when the belt-driven lifting roller is in normal production, the lower guide roller provides support for the thin slab, and the thin slab is prevented from sagging.
Further, the belt-driven lifting roller is respectively arranged at the first and third mounting points on one side close to the guide roller, and the fixed roller is respectively arranged above the second and fourth mounting points on one side close to the guide roller.
Further, the driving device is a motor or a hydraulic cylinder.
Furthermore, the fixed roller is arranged 500mm above the belt transmission roller way, the lifting height of the belt transmission lifting roller is 1500mm, and the belt seal lifting mechanism is lifted to be horizontal to the fixed roller.
The invention has the beneficial effects that:
1. the folding loop is formed by adopting the fixed roller and the belt-driven lifting roller way, the thin slab cut by the pendulum shears is pulled out from the interior of the pendulum shears, the cut thin slab is lifted off the roller way by adopting the belt-sealed lifting bracket, an operation space is provided for the subsequent thin slab, the pendulum shears continuously cut the subsequent thin slab into a plurality of pieces, and the pieces are pushed off from the production line by the waste pushing device, so that the continuous production of the upstream equipment of the pendulum shears can be ensured without stopping.
2. The folding loop is adopted to drag the thin slab cut by the pendulum shear out of the interior of the pendulum shear, and after the thin slab cut by the pendulum shear is dragged out of the interior of the pendulum shear, the equipment damaged by interference between the thin slab and the pendulum shear when the thin slab is lifted is avoided, and the dilemma that the loop area is overlapped with the roller way area and the waste pushing area and the thin slab cannot be processed due to too high lifting of the loop is avoided.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic structural diagram of a fault handling device after swing shearing in continuous casting and rolling of thin slabs;
FIG. 2 is a schematic view of the lifting bracket with seal according to the present invention;
FIG. 3 is a partial schematic view of the lift bracket with seal of the present invention;
FIG. 4 is a schematic structural view of a belt-driven lifting roller bed according to the present invention;
FIG. 5 is a schematic view of the structure of a guide roll in the present invention;
FIG. 6 is a schematic structural diagram of a step a of a fault handling method after swing shearing in continuous casting and rolling of thin slabs;
FIG. 7 is a schematic structural diagram of step b of a fault handling method after swing shearing in continuous casting and rolling of thin slabs;
FIG. 8 is a schematic structural diagram of step c of a fault handling method after swing shearing in continuous casting and rolling of thin slabs;
FIG. 9 is a schematic structural diagram of step d of a fault handling method after swing shearing in continuous casting and rolling of thin slabs;
FIG. 10 is a schematic structural diagram of step e of a fault handling method after thin slab continuous casting and rolling pendulum shear.
Reference numerals: 1-pendulum shear, 2-belt transmission roller way, 3-thin slab, 4-belt sealing lifting bracket, 4.1-first fixed frame, 4.2-first hydraulic cylinder, 4.3-first lifting support, 4.4-bracket, 4.5-heat insulation material, 5-fixed roller, 6-belt transmission lifting roller way, 6.1-second fixed frame, 6.2-second hydraulic cylinder, 6.3-gear motor, 6.4-second lifting support, 6.5-coupler, 6.6-roller, 7-guide roller, 7.1-third fixed frame, 7.2-upper guide roller, 7.3-lower guide roller and 8-waste pushing device.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
In the embodiment, the thin slab is strip steel with the thickness of 8-110 mm, the width is 0.6-2 m, the strip steel temperature is 800-1100 ℃, and the continuous casting speed is controlled to be 3.5-7 m/min.
Referring to fig. 1 to 5, a fault handling device after thin slab continuous casting and rolling pendulum shear comprises a pendulum shear 1, a belt transmission roller way 2 and a guide roller 7 which are sequentially arranged according to the transmission direction of a thin slab, and further comprises a belt seal lifting bracket 4, a fixed roller 5, a belt transmission lifting roller 6 and a waste pushing device 8, wherein the interval between the rollers of the belt transmission roller way 2 is a mounting point, the lifting bracket 4 with the sealing and the waste pushing device 8 are arranged at the installation point in sequence in a staggered way according to the transmission direction of the sheet billet, wherein a belt-driven lifting roller 6 is arranged at the first and third mounting points on the side close to the guide roller 7, a fixed roller 5 is arranged at the position 1000mm above the second and the fourth mounting points at one side close to the guide roller 7, are staggered with respect to the belt-driven lifting rollers 6 so that a loop is formed between the two fixed rollers 5 and the two belt-driven lifting rollers 6.
The lifting bracket 4 with the sealing function comprises a first fixing frame 4.1, a first hydraulic cylinder 4.2, a first lifting support 4.3 and a bracket 4.4, wherein the first lifting support 4.3 is fixedly installed on the first fixing frame 4.1, lifting power is provided for the first lifting support 4.3 through a first hydraulic cylinder 4.2 installed on the first fixing frame 4.1, the bracket 4.4 is fixedly connected onto the first lifting support 4.3, the first lifting support 4.3 and the bracket 4.4 are of a cantilever structure, the first fixing frame 4.1 adopts a welding steel structure to support and fix the first hydraulic cylinder 4.2 and the first lifting support 4.3, and a heat insulation material 4.5 is arranged below the bracket 4.4 to form a closed space together with the belt transmission roller way 2 under the non-fault condition, so that the heat insulation of a thin slab is realized, the heat loss of the thin slab is avoided, and the requirement on the production temperature is not met.
The belt transmission lifting roller 6 comprises a second fixed frame 6.1, a second hydraulic cylinder 6.2, a second lifting support 6.4, a gear motor 6.3, a coupler 6.5 and a roller 6.6, wherein the second lifting support 6.4 is arranged on the second fixed frame 6.1, the roller 6.6 is fixedly arranged on the second lifting support 6.4, the second lifting support 6.4 and the roller 6.6 are in a cantilever structure, lifting power is provided for the second lifting support 6.4 through the second hydraulic cylinder 6.2 arranged on the second fixed frame 6.1, the second fixed frame 6.1 adopts a welded steel structure and provides support and fixation for the second lifting support 6.4 and the second hydraulic cylinder 6.2, the gear motor 6.3 is arranged on the second lifting support 6.4 to drive the roller 6.6 to rotate, so as to reduce the friction force between the thin slab 3 and the roller 6.6 when the thin slab is lifted, thereby reducing the resistance and the abrasion of the roller 6.6, the gear motor 6.3 is connected with the roller 6.6 through the coupler 6.5, the connection between the gear motor 6.3 and the roller 6.6 is made more stable.
The guide roller 7 comprises a third fixed frame 7.1, an upper guide roller 7.2 and a lower guide roller 7.3, the upper guide roller 7.2 and the lower guide roller 7.3 are fixedly arranged on the third fixed frame 7.1 in an up-and-down sequence, a thin slab channel is formed between the upper guide roller 7.2 and the lower guide roller 7.3, and an operation platform is arranged on the third fixed frame 7.1. When a downstream fault occurs, the pendulum shears 1 cut off continuous thin slabs 3, and when the belt-driven lifting roller 6 lifts the thin slabs, the upper guide roller 7.2 carries out limiting guide on the lifted thin slabs 3, so that the equipment is prevented from being scratched; during normal production, the lower guide roll 7.3 provides support for the sheet bar 3, avoiding sagging of the sheet bar 3.
The waste pushing device 8 adopts a circulating moving mode and comprises four circulating processes of ascending, moving out, falling and returning.
The device drags out a thin slab 3 cut by the pendulum shears 1 from the interior of the pendulum shears 1 by adopting a loop formed by a fixed roller 5 and a belt-driven lifting roller 6, lifts the cut thin slab 3 off a roller way by adopting a belt-sealed lifting bracket 4, gives out an operating space of a subsequent thin slab, and finally continuously cuts the subsequent thin slab 3 into a plurality of small pieces by the pendulum shears 3 and pushes the small pieces off a production line by a waste pushing device 8, thereby ensuring that upstream equipment of the pendulum shears 1 can continuously produce without stopping; the space overlapping of the loop area and the roller way area and the waste pushing area is avoided, the thin slab 3 is lifted too high by the loop and cannot be processed, and meanwhile, the heat insulation function is achieved, the structure is simplified, and the investment is reduced.
Referring to fig. 6 to 10, when a system downstream of the pendulum shear 1 fails, a method for handling the failure after the pendulum shear in the continuous casting and rolling of thin slabs specifically comprises the following steps:
a. when the downstream process of the pendulum shears 1 has an accident and needs to be stopped, the continuously produced thin slab 3 is cut off by the pendulum shears 1;
b. the belt-driven lifting roller 6 rises by 1500mm, a folding loop is formed between the belt-driven lifting roller and the fixed roller 5, and the discontinuous thin slabs 3 of the pendulum shears 1 are pulled out of the pendulum shears 1;
c. lifting the belt seal lifting bracket 4, lifting the thin slab 3 by 500mm from the roller way, and reserving a waste pushing treatment space;
d. the pendulum shear 1 cuts the continuously advancing upstream thin slab 3 into a plurality of pieces, and the upstream thin slab is accelerated and driven by the belt transmission roller way 2, moves to a waste pushing area, is pushed to a storage area outside the production line by a waste pushing device 8, is circularly operated, and an operator stands on an operation platform of a third fixed frame 7.1 to cut off the lifted thin slab 3 and lifts off the production line by a crane;
e. after the equipment failure is processed and the waste thin slab 3 is lifted away from the production line, the belt sealing lifting bracket 4 and the belt transmission lifting roller 6 quickly descend below the elevation on the roller way to continue production.
According to the fault device after the swing shears for the continuous casting and rolling of the thin slab, provided by the invention, the belt-driven lifting roller 6 is lifted by 1500mm, and the folding loop is formed between the fixing rollers 5 which are fixedly arranged 1000mm above the belt-driven roller way 2, so that the discontinuous thin slab 3 of the swing shears 1 is pulled out of the swing shears 1, therefore, only the thin slab 3 is lifted by 500mm from the roller way to leave a waste pushing treatment space in the subsequent lifting process of the belt-driven lifting bracket 4, the discontinuous thin slab 3 of the swing shears 1 is pulled out of the swing shears 1 in advance, the interference of the thin slab 3 to the swing shears 1 when the thin slab 3 is lifted is avoided, and various problems caused by the fact that the thin slab 3 is lifted too high are also avoided.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (9)
1. The fault processing method after the pendulum shear for the continuous casting and rolling of the thin slab is characterized in that the pendulum shear (1), a belt transmission roller way (2) and a guide roller (7) are sequentially arranged according to the transmission direction of the thin slab, and the interval between the rollers of the belt transmission roller way (2) is an installation point; the belt sealing lifting bracket (4) and the waste pushing device (8) are sequentially arranged in mounting points in a staggered manner according to the transmission direction of the sheet billet, the belt transmission lifting rollers (6) are arranged at two non-adjacent mounting points close to one side of the guide roller (7), two fixed rollers (5) are arranged above the belt transmission roller table (2) and are arranged in a staggered manner with the belt transmission lifting rollers (6), and the fault treatment method after the continuous casting, rolling and pendulum shearing of the sheet billet comprises the following steps:
a. when the downstream process of the pendulum shears (1) needs to be stopped, the continuously produced thin slab (3) is cut off by the pendulum shears (1);
b. a folding loop is formed between the lifting of the belt-driven lifting roller (6) and the fixed roller (5) to pull out the thin slab (3) from the pendulum shear (1);
c. the belt sealing lifting mechanism (4) is lifted, the thin slab (3) is lifted from the belt transmission roller way (2), and a waste pushing treatment space is reserved;
d. the swing shears (1) cut the continuously advancing upstream thin slab (3) into a plurality of blocks, accelerate and drive the upstream thin slab through a belt transmission roller way (2), move the upstream thin slab to a waste pushing area, push the upstream thin slab to a storage area outside a production line by a waste pushing device (8), cut off the lifted thin slab (3), and lift the thin slab off the production line by a crane;
e. after the equipment failure is processed and the waste thin slab (3) is lifted away from the production line, the belt seal lifting bracket (4) and the belt drive lifting roller (6) descend below the elevation on the roller way, and the system recovers production.
2. The method for fault handling after pendulum shear for continuous casting and rolling of thin slabs according to claim 1, characterized by comprising the following steps: the belt sealing lifting mechanism (4) comprises a first lifting support (4.3), a first driving device (4.2) for driving the first lifting support (4.3) to lift, and a bracket (4.4) connected with the first lifting support (4.3) and used for bearing the thin plate blank (3).
3. The method for fault treatment after swing shearing of thin slab continuous casting and rolling according to claim 2, characterized by comprising the following steps: and a heat insulation material (4.5) for insulating the thin slab (3) is arranged below the bracket (4.4).
4. The method for fault treatment after swing shearing of thin slab continuous casting and rolling according to claim 1, characterized by comprising the following steps: the belt transmission lifting roller (6) comprises a second lifting support (6.4), a second driving device (6.2) for driving the second lifting support (6.4) to lift, and a roller (6.6) which is connected with the second lifting support (6.4) and used for bearing the thin slabs.
5. The method for fault treatment after swing shearing of thin slab continuous casting and rolling according to claim 4, characterized by comprising the following steps: belt drive lift roller (6) still include gear motor (6.3) and shaft coupling (6.5), gear motor (6.3) are installed on second lift support (6.4) and are rotatory with drive roller (6.6), shaft coupling (6.5) are installed between gear motor (6.3) and roller (6.6).
6. The method for fault treatment after swing shearing of thin slab continuous casting and rolling according to claim 1, characterized by comprising the following steps: the guide roller (7) comprises a third fixed frame (7.1), an upper guide roller (7.2) and a lower guide roller (7.3), the upper guide roller (7.2) and the lower guide roller (7.3) are installed on the third fixed frame (7.1), and a thin slab channel is formed between the upper guide roller (7.2) and the lower guide roller (7.3).
7. The method for fault treatment after swing shearing of thin slab continuous casting and rolling according to claim 1, characterized by comprising the following steps: the belt transmission lifting roller way (6) is respectively arranged at a first mounting point and a third mounting point which are close to one side of the guide roller (7), and the fixed roller (5) is respectively arranged above a second mounting point and a fourth mounting point which are close to one side of the guide roller (7).
8. The method for fault treatment after swing shear of thin slab continuous casting and rolling according to any one of claims 2 and 4, characterized in that: the driving device is a motor or a hydraulic cylinder.
9. The method for fault treatment after swing shearing of thin slab continuous casting and rolling according to claim 1, characterized by comprising the following steps: the fixed roller (5) is arranged 500mm above the belt transmission roller way (2), the lifting height of the belt transmission lifting roller (6) is 1500mm, and the belt seal lifting mechanism (4) is lifted to be horizontal to the fixed roller (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210248359.5A CN114618886B (en) | 2022-03-14 | 2022-03-14 | Fault processing method after swing shearing of continuous casting and rolling of sheet billet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210248359.5A CN114618886B (en) | 2022-03-14 | 2022-03-14 | Fault processing method after swing shearing of continuous casting and rolling of sheet billet |
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| CN114618886A true CN114618886A (en) | 2022-06-14 |
| CN114618886B CN114618886B (en) | 2023-12-15 |
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|---|---|---|---|---|
| JPH0810802A (en) * | 1994-04-28 | 1996-01-16 | Nippon Steel Corp | Method for joining sheet bar by rotationally sliding insert in fully continuous hot rolling |
| CN1244821A (en) * | 1997-11-26 | 2000-02-16 | 石川岛播磨重工业株式会社 | Facility and method for manufacturing hot-rolled steel strip |
| CN204625724U (en) * | 2015-05-20 | 2015-09-09 | 路仲弢 | High-strength metal Strip induction heat treatment production line |
| CN106552831A (en) * | 2016-06-28 | 2017-04-05 | 东北大学 | A kind of manufacture method of Thin Specs hot-strip |
| CN209161075U (en) * | 2018-11-14 | 2019-07-26 | 湖北欧玛金属结构有限公司 | A kind of lifting loop |
| CN210632658U (en) * | 2019-06-27 | 2020-05-29 | 河北敬业中厚板有限公司 | Rod tandem rolling split loop device |
| CN112024595A (en) * | 2020-09-07 | 2020-12-04 | 中冶赛迪工程技术股份有限公司 | Thin strip steel continuous casting and rolling endless rolling method and rolling production line thereof |
| CN212442556U (en) * | 2020-09-07 | 2021-02-02 | 中冶赛迪工程技术股份有限公司 | Thin strip steel continuous casting and rolling endless rolling production line |
| CN112705569A (en) * | 2020-12-09 | 2021-04-27 | 一重集团大连工程技术有限公司 | Steckel mill production line with ultra-short distance arrangement and rolling process |
| CN114101325A (en) * | 2021-11-19 | 2022-03-01 | 一重集团大连工程技术有限公司 | Endless rolling accident treatment process and equipment arrangement |
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2022
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| JPH0810802A (en) * | 1994-04-28 | 1996-01-16 | Nippon Steel Corp | Method for joining sheet bar by rotationally sliding insert in fully continuous hot rolling |
| CN1244821A (en) * | 1997-11-26 | 2000-02-16 | 石川岛播磨重工业株式会社 | Facility and method for manufacturing hot-rolled steel strip |
| CN204625724U (en) * | 2015-05-20 | 2015-09-09 | 路仲弢 | High-strength metal Strip induction heat treatment production line |
| CN106552831A (en) * | 2016-06-28 | 2017-04-05 | 东北大学 | A kind of manufacture method of Thin Specs hot-strip |
| CN209161075U (en) * | 2018-11-14 | 2019-07-26 | 湖北欧玛金属结构有限公司 | A kind of lifting loop |
| CN210632658U (en) * | 2019-06-27 | 2020-05-29 | 河北敬业中厚板有限公司 | Rod tandem rolling split loop device |
| CN112024595A (en) * | 2020-09-07 | 2020-12-04 | 中冶赛迪工程技术股份有限公司 | Thin strip steel continuous casting and rolling endless rolling method and rolling production line thereof |
| CN212442556U (en) * | 2020-09-07 | 2021-02-02 | 中冶赛迪工程技术股份有限公司 | Thin strip steel continuous casting and rolling endless rolling production line |
| CN112705569A (en) * | 2020-12-09 | 2021-04-27 | 一重集团大连工程技术有限公司 | Steckel mill production line with ultra-short distance arrangement and rolling process |
| CN114101325A (en) * | 2021-11-19 | 2022-03-01 | 一重集团大连工程技术有限公司 | Endless rolling accident treatment process and equipment arrangement |
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| CN114618886B (en) | 2023-12-15 |
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