CN203635623U - Working roller replacing system - Google Patents
Working roller replacing system Download PDFInfo
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- CN203635623U CN203635623U CN201320889890.7U CN201320889890U CN203635623U CN 203635623 U CN203635623 U CN 203635623U CN 201320889890 U CN201320889890 U CN 201320889890U CN 203635623 U CN203635623 U CN 203635623U
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Abstract
The utility model discloses a working roller replacing system. The working roller replacing system comprises bridge frames, a horizontally-moving device, a pushing, pulling and overturning device and a roller replacing trailer, wherein the bridge frames comprise a fixed bridge frame and a movable bridge frame, a horizontally-moving rolling replacing vehicle of the horizontally-moving device comprises a first horizontally-moving rolling replacing vehicle frame and a second horizontally-moving rolling replacing vehicle frame, the two horizontally-moving rolling replacing vehicle frames are connected into a whole through a hinge pin, a piston rod of a horizontally-moving hydraulic cylinder is connected with the second horizontally-moving rolling replacing vehicle frame and controls the first horizontally-moving rolling replacing vehicle frame and the second horizontally-moving rolling replacing vehicle frame through pushing and pulling, a horizontally-moving roller way comprises a fixed horizontally-moving rail and a swinging horizontally-moving rail, one end of the swinging horizontally-moving rail is hinged to the fixed horizontally-moving rail, the other end of the swinging horizontally-moving rail is in butt joint with the fixed horizontally-moving rail, the swinging horizontally-moving rail is connected with a piston rod of a swinging hydraulic cylinder, the pushing, pulling and overturning device comprises a frame body, a back-to-back push-and-pull hydraulic cylinder and two overturning hydraulic cylinder, and the roller replacing trailer is a full-wheel-transmission roller replacing trailer. The working roller replacing system has the advantages of being high in reliability, high in automation degree, and capable of achieving high-speed full-automatic roller replacement, simplifying roller replacement, and reducing equipment weight.
Description
Technical field
The utility model belongs to technical field of metallurgical equipment, relates in particular to continous hot rolling facility technology, is 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: one 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 fixing crane span structure and traversing train, in the time 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 purpose of this utility model is to provide a kind of work roll changing system, overcomes the deficiencies in the prior art.
The technical solution of the utility model 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 fixing crane span structure and removable crane span structure, fixing 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 make the bridge floor facility of removable crane span structure by bearing pin and locating piece, 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 fixing 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 described in the utility model, is characterized in that described back-to-back formula push-and-pull hydraulic cylinder inbuilt displacement sensor.
The roll-changing method of this work roll changing system comprises work roll changing and backing roll roll change, work roll changing is: be loaded on firm banking floating removable crane span structure, 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, push-and-pull turning device is turn to working position on the ground by upset hydraulic cylinder, 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, 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 change backing roll by backup roll change program.
The beneficial effects of the utility model are:
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, fixing traditional monoblock type crane span structure is resolved into fixing 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 in the time of push-and-pull hydraulic cylinder fault, changing trailer can compounding practice personnel replace hydraulic cylinder works temporarily.
Brief description of the drawings
Figure mono-is work roll changing system axonometric drawing of the present utility model;
Figure bis-fixes crane span structure axonometric drawing in work roll changing system of the present utility model;
Figure tri-is removable crane span structure axonometric drawing in work roll changing system of the present utility model;
Figure tetra-is traversing roll changing carriage cutaway view in work roll changing system of the present utility model;
Figure five is wobble tracks axonometric drawing in work roll changing system of the present utility model;
Figure six is push-and-pull turning device axonometric drawing in work roll changing system of the present utility model;
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
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model 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 fixing crane span structure 1 and removable crane span structure 2, fixing 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 fixing 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.When roll change, push-pull device at fixed 8 is turn to working position on the ground by upset hydraulic cylinder 7, 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.
In the time that needs are changed backing roll, removable crane span structure 2 is hung backing roll center line by overhead traveling crane.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 separates it, 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 (2)
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 fixing crane span structure (1) and removable crane span structure (2), fixing 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 make the bridge floor facility of removable crane span structure by bearing pin and locating piece, 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 fixing 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889890.7U CN203635623U (en) | 2013-12-31 | 2013-12-31 | Working roller replacing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889890.7U CN203635623U (en) | 2013-12-31 | 2013-12-31 | Working roller replacing system |
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| Publication Number | Publication Date |
|---|---|
| CN203635623U true CN203635623U (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320889890.7U Expired - Fee Related CN203635623U (en) | 2013-12-31 | 2013-12-31 | Working roller replacing system |
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| CN (1) | CN203635623U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103658192A (en) * | 2013-12-31 | 2014-03-26 | 一重集团大连设计研究院有限公司 | Roll replacing system for working roll |
| CN104096713A (en) * | 2014-07-09 | 2014-10-15 | 常州宝菱重工机械有限公司 | Online roller changing device |
| CN107497861A (en) * | 2017-09-15 | 2017-12-22 | 首钢京唐钢铁联合有限责任公司 | A kind of roll falls the method and device of rail |
-
2013
- 2013-12-31 CN CN201320889890.7U patent/CN203635623U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103658192A (en) * | 2013-12-31 | 2014-03-26 | 一重集团大连设计研究院有限公司 | Roll replacing system for working roll |
| CN103658192B (en) * | 2013-12-31 | 2015-07-22 | 一重集团大连设计研究院有限公司 | Roll replacing system for working roll |
| CN104096713A (en) * | 2014-07-09 | 2014-10-15 | 常州宝菱重工机械有限公司 | Online roller changing device |
| CN104096713B (en) * | 2014-07-09 | 2016-03-09 | 常州宝菱重工机械有限公司 | Online changing rig |
| CN107497861A (en) * | 2017-09-15 | 2017-12-22 | 首钢京唐钢铁联合有限责任公司 | A kind of roll falls the method and device of rail |
| CN107497861B (en) * | 2017-09-15 | 2019-06-14 | 首钢京唐钢铁联合有限责任公司 | A kind of roll falls the method and device of rail |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20161231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |