CN103658192A - Roll replacing system for working roll - Google Patents
Roll replacing system for working roll Download PDFInfo
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- CN103658192A CN103658192A CN201310752000.2A CN201310752000A CN103658192A CN 103658192 A CN103658192 A CN 103658192A CN 201310752000 A CN201310752000 A CN 201310752000A CN 103658192 A CN103658192 A CN 103658192A
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Abstract
The invention provides a roll replacing system for a working roll. The roll replacing system comprises an axle frame, a transverse movement device, a push-pull overturning device and a roll replacing trailer, wherein the axle frame comprises a fixed axle frame and a movable axle frame; a transverse movement roll replacing vehicle of the transverse movement device comprises a No.1 transverse movement roll replacing vehicle frame and a No.2 transverse movement roll replacing vehicle frame; the two transverse movement roll replacing vehicle frames are connected to form a whole body by a pin shaft; a piston rod of a transverse movement hydraulic cylinder is connected with the No.2 transverse movement roll replacing vehicle frame and the No.1 transverse movement roll replacing vehicle frame and the No.2 transverse movement roll replacing vehicle frame are controlled by push-pull movements; a transverse movement roll way comprises a fixed transverse movement rail and a swinging transverse movement rail; one end of the swinging transverse movement rail is hinged with the fixed transverse movement rail and the other end of the swinging transverse movement rail is in butt joint with the fixed transverse movement rail; the swinging transverse movement rail is connected with a piston rod of a swinging hydraulic cylinder; the push-pull overturning device comprises a frame body, a back-to-back type push-pull hydraulic cylinder and two overturning hydraulic cylinders; the roll replacing trailer is a full-wheel transmission roll replacing trailer. The roll replacing system for the working roll has the beneficial effects of strong reliability, high automation degree and capability of realizing rapid and full-automatic roll replacement; the roll replacing operation is simplified and the weight of equipment is optimized.
Description
Technical field
The invention belongs to technical field of metallurgical equipment, relate in particular to continous hot rolling facility technology, be applicable to the roughing mill workroll change on hot-rolling line.
Background technology
In prior art, the work roll changing system that is applied to hot continuous rolling four-high rougher has two kinds: a kind of is to use traversing train fluid,matching cylinder pressure push-and-pull working roll to be, this structural reliability is stronger; Another kind is to use traversing train to coordinate changing trailer to pull working roll system, and this structural reliability is poor.The deficiencies in the prior art are: two kinds of above-mentioned structures all need manually to participate in roll change operation, and all need to use tens of tons of fixedly crane span structure and traversing train, when changing backing roll, crane span structure and traversing train need be transported to outside backup roll change passage, no matter handling or hydraulic cylinder pull all and waste time and energy.
Summary of the invention
The object of this invention is to provide a kind of work roll changing system, overcome the deficiencies in the prior art.
Technical scheme of the present invention is: a kind of work roll changing system, comprise crane span structure, Traverse Displacement Unit, push-and-pull turning device and changing trailer, crane span structure comprises firm banking and bridge floor facility, firm banking is fixed on rolling-mill housing and basis, Traverse Displacement Unit comprises traversing roll changing carriage, traversing hydraulic cylinder and traversing roller-way, it is characterized in that; Described crane span structure is divided into fixedly crane span structure and removable crane span structure, fixedly crane span structure is that bridge floor facility and firm banking are connected as a single entity, be used for supporting removable crane span structure and working roll system, to be that bridge floor facility is floating be loaded on firm banking removable crane span structure, the track front end and the built-in orbital docking of milling train that by bearing pin and locating piece, make the bridge floor facility of removable crane span structure, dock with traversing roll changing carriage cross moving track rear end; The traversing roll changing carriage of described Traverse Displacement Unit comprises a traversing roll change vehicle frame and No. two traversing roll change vehicle frames, a traversing roll change vehicle frame and No. two traversing roll change vehicle frames are opposite opened, two vertical with rolling direction and relative sides of the traversing roll change vehicle frame of opposite opened link into an integrated entity by bearing pin, the piston rod of traversing hydraulic cylinder is connected with the side perpendicular to rolling direction of No. two traversing roll change vehicle frames, and No. two traversing roll change vehicle frame is connected with the side of a traversing roll change vehicle frame by bearing pin.The traversing roller-way of described Traverse Displacement Unit comprises fixedly cross moving track and swing transverse moving track, described swing transverse moving track is that the part at traversing cross moving track track middle part is disconnected, one end and the cross moving track of breaking part track are hinged, the other end docks with cross moving track, hinged end and the butt end of two tracks are contrary, the butt end of two tracks is connected with two oscillating motor piston rods respectively, and two oscillating motors are fixed between two tracks; Described push-and-pull turning device comprises support body, a back-to-back formula push-and-pull hydraulic cylinder and two upset hydraulic cylinders, the cylinder body of back-to-back formula push-and-pull hydraulic cylinder is arranged on support body, two piston rods of back-to-back formula push-and-pull hydraulic cylinder are flexible to two ends respectively, piston rod front end is provided with and working roll jockey, two upset hydraulic cylinders are arranged on the below of support body, and the piston rod of two upset hydraulic cylinders is connected with support body bottom surface; Described changing trailer is full wheel drive changing trailer.
A kind of work roll changing system of the present invention, is characterized in that described back-to-back formula push-and-pull hydraulic cylinder inbuilt displacement sensor.
The roll-changing method of a kind of work roll changing system of the present invention, comprise work roll changing and backing roll roll change, it is characterized in that described work roll changing is: removable crane span structure is floated and is loaded on firm banking, the track front end and the built-in orbital docking of milling train that make the bridge floor facility of removable crane span structure, dock with traversing roll changing carriage cross moving track rear end, a traversing roll change vehicle frame and No. two traversing roll change vehicle frames are linked into an integrated entity by bearing pin, changing trailer is shifted new working roll on No. two new roller putting positions of traversing roll change vehicle frame onto, upset hydraulic cylinder turn to working position on the ground by push-and-pull turning device, push-and-pull hydraulic cylinder extend out to rolling line roll working position old working roll is drawn out on a traversing roll change vehicle frame, traversing hydraulic cylinder stretches out, the new roller being placed in advance on No. two traversing roll change vehicle frames is aimed to operation roll of mill center line, push-and-pull hydraulic cylinder stretches out, new roller is pushed to milling train to roll working position, then, push-and-pull hydraulic cylinder is retracted, traversing hydraulic cylinder is retracted and is pulled traversing train, by the old roller alignment work roller center line swapping out on a traversing roll change vehicle frame, upset hydraulic cylinder ploughs under underground by push-and-pull turning device, changing trailer catches on old roller before marching to traversing roll changing carriage, changing trailer backward going, old roller is drawn and delivered between grinding roller, complete one action roller roller replacing operation, described backing roll roll change is: the bridge floor facility of removable crane span structure is hung to backing roll center line, traversing hydraulic cylinder stretches out and makes a traversing roll change vehicle frame away from backing roll center line, the bearing pin that connects a traversing roll change vehicle frame and No. two traversing roll change vehicle frames is opened, traversing hydraulic cylinder is retracted No. two traversing roll change vehicle frames is pulled to outside opposite side backing roll center line, oscillating motor is retracted, two sections of wobble tracks are rocked to backing roll center line both sides, for backup roll change vacating space, then by backup roll change program, change backing roll.
The invention has the beneficial effects as follows:
1, adopted split type crane span structure, the traversing roll changing carriage of opposite opened and wobble tracks and push-and-pull turning device, reliability is strong, and automaticity is high, can realize quick full-automatically changing.
2, by traditional monoblock type fixedly crane span structure resolve into fixedly crane span structure and removable crane span structure two parts, hoisting weight is alleviated;
3, use the traversing train of opposite opened and wobble tracks, while changing backing roll, without overturning or hanging away huge traversing roll changing carriage, greatly simplified roller replacing operation, optimized weight of equipment;
4, use back-to-back formula push-and-pull cylinder, inbuilt displacement sensor, makes roll change action accurately reliable;
5, use twin-tub turning device, increased rigidity and the reliability of push-pull device at fixed;
6, use full wheel drive changing trailer to coordinate push-and-pull cylinder transport roller system between between rolling line and grinding roller, the ditch hole defect of having avoided traditional rack-and-pinion transmission trailer configuration to produce, makes operating personnel easily at milling train fore side Ambulatory Activity; Changing trailer wheeled to roll working position is fetched and delivered working roll, and when push-and-pull hydraulic cylinder fault, changing trailer can compounding practice personnel replace hydraulic cylinder works temporarily.
Accompanying drawing explanation
Fig. 1 is work roll changing system axonometric drawing of the present invention;
Fig. 2 is fixing crane span structure axonometric drawing in work roll changing system of the present invention;
Fig. 3 is removable crane span structure axonometric drawing in work roll changing system of the present invention;
Fig. 4 is traversing roll changing carriage cutaway view in work roll changing system of the present invention;
Fig. 5 is wobble tracks axonometric drawing in work roll changing system of the present invention;
Fig. 6 is push-and-pull turning device axonometric drawing in work roll changing system of the present invention;
In figure, 1, fixing crane span structure; 2, removable crane span structure; 3, a traversing roll change vehicle frame; 4, No. two traversing roll change vehicle frames; 5, traversing hydraulic cylinder; 6, push-and-pull hydraulic cylinder; 7, upset hydraulic cylinder; 8, push-and-pull turning device; 9, changing trailer; 10, oscillating motor; 11, swing transverse moving track
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is done into an explanation.
Work roll changing system comprises crane span structure, Traverse Displacement Unit, push-and-pull turning device and changing trailer, crane span structure comprises firm banking and bridge floor facility, firm banking is fixed on rolling-mill housing and basis, Traverse Displacement Unit comprises traversing roll changing carriage, traversing hydraulic cylinder and cross moving track, push-and-pull turning device comprises hydraulic cylinder, crane span structure is divided into fixedly crane span structure 1 and removable crane span structure 2, fixedly crane span structure 1 is connected as a single entity for bridge floor facility and firm banking, be used for supporting removable crane span structure 2 and working roll system, the bridge floor facility of removable crane span structure 2 is floated and is loaded on firm banking by bearing pin and locating piece, make track front end and the built-in orbital docking of milling train of the bridge floor facility of removable crane span structure 2, dock with traversing roll changing carriage cross moving track rear end, the traversing roll changing carriage of Traverse Displacement Unit comprises a traversing roll change vehicle frame 3 and No. two traversing roll change vehicle frames 4, a traversing roll change vehicle frame 3 and No. two traversing roll change vehicle frames 4 are opposite opened, two vertical with rolling direction and relative sides of the traversing roll change vehicle frame of opposite opened link into an integrated entity by bearing pin, the piston rod of traversing hydraulic cylinder 5 is connected with the side perpendicular to rolling direction of No. two traversing roll change vehicle frames 4, the cross moving track of Traverse Displacement Unit comprises fixedly cross moving track and swing transverse moving track 11, swing transverse moving track 11 is that the part at cross moving track middle part is disconnected, one end and the cross moving track of breaking part track are hinged, the other end docks with cross moving track, hinged end and the butt end of two tracks arrange on the contrary, the butt end of two tracks is connected with two oscillating motor 10 piston rods respectively, two oscillating motors 10 are fixed between two tracks, push-and-pull turning device comprises support body, a back-to-back formula push-and-pull hydraulic cylinder 6 and two upset hydraulic cylinders 7, the cylinder body of back-to-back formula push-and-pull hydraulic cylinder 6 is arranged on support body, two piston rods of back-to-back formula push-and-pull hydraulic cylinder 6 are flexible to two ends respectively, piston rod front end is provided with and working roll jockey, built-in two displacement transducers of back-to-back formula push-and-pull hydraulic cylinder 6, two upset hydraulic cylinders 7 are arranged on the below of support body, and the piston rod of two upset hydraulic cylinders 7 is connected with support body bottom surface, changing trailer 9 is full wheel drive changing trailers.
Before roll change, changing trailer 9 is shifted the new working roll of milled between grinding roller on No. two new roller putting positions of traversing roll change vehicle frame 4 of Traverse Displacement Unit onto.During roll change, upset hydraulic cylinder 7 turn to working position on the ground by push-pull device at fixed 8, push-and-pull hydraulic cylinder 6 extend out to rolling line roll working position and old working roll is drawn out on a traversing roll change vehicle frame 3 of traversing roll changing carriage, traversing hydraulic cylinder 5 stretches out, the new roller being placed in advance on No. two traversing roll change vehicle frames 4 is aimed to operation roll of mill center line, push-and-pull hydraulic cylinder 6 stretches out, new roller is pushed to milling train to roll working position, push-and-pull hydraulic cylinder 6 is retracted, traversing hydraulic cylinder 5 is retracted and is pulled traversing roll changing carriage, by the old roller swapping out (a traversing roll change vehicle frame 3) alignment work roller center line, upset hydraulic cylinder 7 ploughs under underground by push-pull device at fixed 8, changing trailer 9 catches on old roller before marching to traversing roll changing carriage, changing trailer 9 backward goings, old roller is drawn and delivered between grinding roller, complete roller replacing operation one time.
When needs are changed backing roll, overhead traveling crane hangs backing roll center line by removable crane span structure 2.Traversing hydraulic cylinder 5 stretches out and makes a traversing roll change vehicle frame 3 away from backing roll center line, and the latch of opening between two vehicle frames makes its separation, and traversing hydraulic cylinder 5 is retracted No. two traversing roll change vehicle frames 4 are pulled to outside backing roll center line.Oscillating motor 10 is retracted, and two sections of swing transverse moving tracks 11 are rocked to backing roll center line both sides, is backup roll change vacating space.
Claims (3)
1. a work roll changing system, comprise crane span structure, Traverse Displacement Unit, push-and-pull turning device and changing trailer, crane span structure comprises firm banking and bridge floor facility, and firm banking is fixed on rolling-mill housing and basis, Traverse Displacement Unit comprises traversing roll changing carriage, traversing hydraulic cylinder and cross moving track, it is characterized in that; Described crane span structure is divided into fixedly crane span structure (1) and removable crane span structure (2), fixedly crane span structure (1) is connected as a single entity for bridge floor facility and firm banking, be used for supporting removable crane span structure and working roll system, removable crane span structure (2) is loaded on firm banking for bridge floor facility is floating, the track front end and the built-in orbital docking of milling train that by bearing pin and locating piece, make the bridge floor facility of removable crane span structure, dock with traversing roll changing carriage cross moving track rear end; The traversing roll changing carriage of described Traverse Displacement Unit comprises a traversing roll change vehicle frame (3) and No. two traversing roll change vehicle frames (4), a traversing roll change vehicle frame (3) and No. two traversing roll change vehicle frames (4) are opposite opened, two vertical with rolling direction and relative sides of the traversing roll change vehicle frame of opposite opened link into an integrated entity by bearing pin, the piston rod of traversing hydraulic cylinder (5) is connected with the side perpendicular to rolling direction of No. two traversing roll change vehicle frames (4), and No. two traversing roll change vehicle frames (4) are connected with the side of a traversing roll change vehicle frame (3) by bearing pin; The cross moving track of described Traverse Displacement Unit is divided into fixedly cross moving track and swing transverse moving track (11), described swing transverse moving track (11) is that the part at cross moving track middle part is disconnected, one end and the cross moving track of breaking part track are hinged, the other end docks with cross moving track, hinged end and the butt end of two tracks are contrary, the butt end of two tracks is connected with two oscillating motors (10) piston rod respectively, and two oscillating motors (10) are fixed between two tracks; Described push-and-pull turning device comprises support body, a back-to-back formula push-and-pull hydraulic cylinder (6) and two upset hydraulic cylinders (7), the cylinder body of back-to-back formula push-and-pull hydraulic cylinder (6) is arranged on support body, two piston rods of back-to-back formula push-and-pull hydraulic cylinder are flexible to two ends respectively, piston rod front end is provided with and working roll jockey, two upset hydraulic cylinders (7) are arranged on the below of support body, and the piston rod of two upset hydraulic cylinders is connected with support body bottom surface; Described changing trailer (9) is full wheel drive changing trailer.
2. a kind of work roll changing system according to claim 1, is characterized in that described back-to-back formula push-and-pull hydraulic cylinder (6) inbuilt displacement sensor.
3. a kind of roll-changing method of work roll changing system described in claim 1, comprise work roll changing and backing roll roll change, it is characterized in that described work roll changing is: removable crane span structure (2) is floated and is loaded on firm banking, the track front end and the built-in orbital docking of milling train that make the bridge floor facility of removable crane span structure (2), dock with traversing roll changing carriage cross moving track rear end, a traversing roll change vehicle frame (3) and No. two traversing roll change vehicle frames (4) are linked into an integrated entity by bearing pin, changing trailer (9) is shifted new working roll on No. two new roller putting positions of traversing roll change vehicle frame onto, upset hydraulic cylinder (7) turn to working position on the ground by push-and-pull turning device, push-and-pull hydraulic cylinder (6) extend out to rolling line roll working position old working roll is drawn out on a traversing roll change vehicle frame (3), traversing hydraulic cylinder (5) stretches out, the new roller that will be placed in advance on No. two traversing roll change vehicle frames (4) is aimed at operation roll of mill center line, push-and-pull hydraulic cylinder (6) stretches out, new roller is pushed to milling train to roll working position, then, push-and-pull hydraulic cylinder (6) is retracted, traversing hydraulic cylinder (5) is retracted and is pulled traversing roll changing carriage, by the old roller alignment work roller center line swapping out on a traversing roll change vehicle frame (3), upset hydraulic cylinder (7) ploughs under underground by push-and-pull turning device, changing trailer (9) catches on old roller before marching to traversing roll changing carriage, changing trailer (9) backward going, old roller is drawn and delivered between grinding roller, complete one action roller roller replacing operation, described backing roll roll change is: removable crane span structure (2) is hung to backing roll center line, traversing hydraulic cylinder (5) stretches out and makes a traversing roll change vehicle frame (3) away from backing roll center line, the bearing pin that connects a traversing roll change vehicle frame (3) and No. two traversing roll change vehicle frames (4) is opened, traversing hydraulic cylinder (5) is retracted No. two traversing roll change vehicle frames (4) is pulled to outside opposite side backing roll center line, oscillating motor (10) is retracted, two sections of swing transverse moving tracks (11) are rocked to backing roll center line both sides, for backup roll change vacating space, then by backup roll change program, change backing roll.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310752000.2A CN103658192B (en) | 2013-12-31 | 2013-12-31 | Roll replacing system for working roll |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310752000.2A CN103658192B (en) | 2013-12-31 | 2013-12-31 | Roll replacing system for working roll |
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| CN103658192A true CN103658192A (en) | 2014-03-26 |
| CN103658192B CN103658192B (en) | 2015-07-22 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108927410A (en) * | 2018-07-18 | 2018-12-04 | 邯郸钢铁集团有限责任公司 | A kind of hydraulic Quick roll-changing device of jobbing sheet-rolling mill and its roll-changing method |
| CN109622622A (en) * | 2018-10-31 | 2019-04-16 | 中国二冶集团有限公司 | A kind of auxiliary device and its construction method of constant width machine sliding block installation and replacement |
| CN110814057A (en) * | 2019-11-28 | 2020-02-21 | 北京京诚之星科技开发有限公司 | Strip steel tail pressing device of rolling mill and strip steel cold rolling system |
| CN111036682A (en) * | 2020-01-31 | 2020-04-21 | 宝钢工程技术集团有限公司 | Multi-section rail type roller-changing cross sliding vehicle for operation side of temper mill and using method thereof |
| CN113001163A (en) * | 2021-03-19 | 2021-06-22 | 宁波宝新不锈钢有限公司 | Online quick replacement device and replacement method for movable bearing of belt wrapper |
| CN117428009A (en) * | 2023-12-20 | 2024-01-23 | 涿州市飞亚机械有限责任公司 | Double-aluminum casting and rolling machine with shared structure arrangement |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108927410A (en) * | 2018-07-18 | 2018-12-04 | 邯郸钢铁集团有限责任公司 | A kind of hydraulic Quick roll-changing device of jobbing sheet-rolling mill and its roll-changing method |
| CN109622622A (en) * | 2018-10-31 | 2019-04-16 | 中国二冶集团有限公司 | A kind of auxiliary device and its construction method of constant width machine sliding block installation and replacement |
| CN110814057A (en) * | 2019-11-28 | 2020-02-21 | 北京京诚之星科技开发有限公司 | Strip steel tail pressing device of rolling mill and strip steel cold rolling system |
| CN111036682A (en) * | 2020-01-31 | 2020-04-21 | 宝钢工程技术集团有限公司 | Multi-section rail type roller-changing cross sliding vehicle for operation side of temper mill and using method thereof |
| CN113001163A (en) * | 2021-03-19 | 2021-06-22 | 宁波宝新不锈钢有限公司 | Online quick replacement device and replacement method for movable bearing of belt wrapper |
| CN117428009A (en) * | 2023-12-20 | 2024-01-23 | 涿州市飞亚机械有限责任公司 | Double-aluminum casting and rolling machine with shared structure arrangement |
| CN117428009B (en) * | 2023-12-20 | 2024-03-08 | 涿州市飞亚机械有限责任公司 | Double-aluminum casting and rolling machine with shared structure arrangement |
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| CN103658192B (en) | 2015-07-22 |
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