CN106216408A - A kind of device for changing wide and heavy plate mill hydraulic AGC cylinder and using method thereof - Google Patents
A kind of device for changing wide and heavy plate mill hydraulic AGC cylinder and using method thereof Download PDFInfo
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- CN106216408A CN106216408A CN201610861485.2A CN201610861485A CN106216408A CN 106216408 A CN106216408 A CN 106216408A CN 201610861485 A CN201610861485 A CN 201610861485A CN 106216408 A CN106216408 A CN 106216408A
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- Prior art keywords
- crossbeam
- agc cylinder
- wide
- heavy plate
- changing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
A kind of device for changing wide and heavy plate mill hydraulic AGC cylinder, including crossbeam support unit and two electric blocks, it is characterised in that: described crossbeam support unit includes that crossbeam, gripper shoe, gusset, base, crossbeam (1) they are length >=2060mm long strip type girder steel;The both sides of crossbeam are welded admittedly with gripper shoe (2) top, by gripper shoe vertical support crossbeam;Crossbeam and gripper shoe junction are provided with 60mm triangle reinforcement (3) and strengthen;Said two electric block (8) is arranged on crossbeam by being suspended on chain hook (7) of crossbeam both sides, and steel wire rope used for electric hoist (9) is connected with shoulder pole girder (10).The apparatus structure that the present invention has for changing wide and heavy plate mill hydraulic AGC cylinder is simple, easy to make, changes wide and heavy plate mill hydraulic AGC cylinder work progress safe and reliable, improves efficiency of construction and the advantage reducing construction cost.
Description
Technical field
The present invention relates to a kind of wide and heavy plate mill hydraulic AGC cylinder, specifically, be a kind of for changing wide and heavy plate mill liquid
The device of pressure AGC cylinder and using method thereof.
Background technology
Wide and heavy plate mill hydraulic AGC cylinder plays the important function ensureing thickness of slab tolerance.AGC cylinder the most still uses tradition
Push-up, owing to Push-up cylinder body is positioned at milling train base cross members, working environment is quite severe, stands for a long time in production process
The sewage produced and the flushing of sump oil, during cylinder body upwardly roll keeps roll line stable, due to roll weight
Amount is relatively big, makes the natural frequency of AGC cylinder, i.e. response frequency increased on the basis of own frequency, the synthesis of these factors
Greatly reduce the service life of cylinder body, the deviation that cylinder body produces, directly affects the quality of sheet material.Wide and heavy plate mill hydraulic pressure
AGC cylinder gross weight there are about more than 30 tons altogether, and position special replacing difficulty is very big.The side changing rolling mill AGC cylinder now used at present
Method step is many, with duration, takies manpower, equipment (driving) many.
Therefore the known mode changing rolling mill AGC cylinder also exists above-mentioned all inconvenience and problem.
Summary of the invention
The purpose of the present invention, is to propose a kind of safe and reliable device for changing wide and heavy plate mill hydraulic AGC cylinder.
The purpose of the present invention, is to propose a kind of safe and reliable device for changing wide and heavy plate mill hydraulic AGC cylinder
Using method.
For achieving the above object, the technical solution of the present invention is:
A kind of device for changing wide and heavy plate mill hydraulic AGC cylinder, wide and heavy plate mill hydraulic AGC cylinder is arranged on two mill housings
In the melt pit of bottom, two mill housings are L-shaped, and positioned opposite, and wide and heavy plate mill hydraulic AGC cylinder is in L-type mill housing
Centre position, includes crossbeam support unit and two electric blocks for changing the device of wide and heavy plate mill hydraulic AGC cylinder, and it is special
Levy and be:
Described crossbeam support unit includes crossbeam, gripper shoe, gusset, base, and crossbeam is length >=2060mm long strip type girder steel;Greatly
The both sides of beam are welded admittedly with gripper shoe top, by gripper shoe vertical support crossbeam;Crossbeam and gripper shoe junction are provided with 60mm triangle
Shape reinforcement is strengthened;Consolidating gusset with thick 70mm bottom gripper shoe admittedly to weld, firm gusset bottom is welded admittedly with thick 90mm connecting plate;Even
The down either side of fishplate bar top with splayed base respectively is welded admittedly, forms firm hoisting bracket;
Said two electric block is arranged on crossbeam by being suspended on the chain hook of crossbeam both sides, is used for hanging electric block
Position is polished into circular arc;Steel wire rope used for electric hoist is connected with shoulder pole girder, if shoulder pole girder is provided with bolt stem, bolt can be with
For the bolt hole coupling connected on AGC cylinder body.
The device being used for changing wide and heavy plate mill hydraulic AGC cylinder of the present invention can also use following technical measures to enter
One step realizes.
Being previously described for changing the device of wide and heavy plate mill hydraulic AGC cylinder, wherein said crossbeam uses thick 120mm steel plate to cut
Cut and make.
It is previously described for changing the device of wide and heavy plate mill hydraulic AGC cylinder, the long 1600mm of wherein said gripper shoe, thickness
60mm。
It is previously described for changing the device of wide and heavy plate mill hydraulic AGC cylinder, wherein said electric block lifting capacity >=20t.
A kind of device using method for changing wide and heavy plate mill hydraulic AGC cylinder, it is characterised in that comprise the following steps:
A, change wide and heavy plate mill hydraulic AGC cylinder with 50t driving and movable hydraulic pressure unit in wide and heavy plate mill workshop by being used for
Device is put on work roll changing guide rail, will be used for changing the device of wide and heavy plate mill hydraulic AGC cylinder with workroll change
Push mill stand, it is ensured that for change the base of the device of wide and heavy plate mill hydraulic AGC cylinder correctly with the L-type milling train of both sides
Memorial archway contacts, and after the device stable in placement for changing wide and heavy plate mill hydraulic AGC cylinder, operative employee opens melt pit cover plate,
Then utilize conveying roller changing rig by shoulder pole girder and the high-strength bolt having 4 M42 being used for being connected on AGC cylinder body by cylinder body and
Shoulder pole girder connects fixing;
B, respectively dismounting AGC cylinder protective cover and stepped plate;
C, with the jack of two 100t by AGC cylinder bottom seat top pine, then equipment connector is connected with the spiral shell of AGC cylinder
It is fixing that keyhole makes AGC cylinder connect, then by slinging AGC cylinder together with sensor board with 2 20t electric blocks;
D, AGC cylinder is winched to certain altitude the base cross members of equipment connector recess and special hanger is stopped after cooperating
Lifting;
E, roll change buggy is pushed AGC cylinder bottom portion after, cylinder body is placed on dolly, due to special hanger and equipment connector phase
Button, while being pulled out by cylinder body, special hanger removes simultaneously, winches to specific bit with driving and put after being transported to void spaces.
The device using method being used for changing wide and heavy plate mill hydraulic AGC cylinder of the present invention can also use following technology
Measure realizes further.
Aforesaid method, wherein said sensor board is connected with steel wire rope, and is arranged on the top of shoulder pole girder.
After using technique scheme, the device and method tool for changing wide and heavy plate mill hydraulic AGC cylinder of the present invention
Have the advantage that
1, simple, easy to make for changing the apparatus structure of wide and heavy plate mill hydraulic AGC cylinder;
2, change wide and heavy plate mill hydraulic AGC cylinder work progress safe and reliable, utilize hanging apparatus by AGC cylinder from melt pit steadily
Hang out to position of platform, improve efficiency of construction;
3, shorten replacing construction, reduce manpower, equipment investment, be beneficial to carry out other overhauling projects simultaneously, increase work efficiency, fall
Low construction risk, saves the repair time, thus reduces construction cost.
Accompanying drawing explanation
Fig. 1 is the crossbeam support unit structural representation of the embodiment of the present invention;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the apparatus structure schematic diagram for changing wide and heavy plate mill hydraulic AGC cylinder of the embodiment of the present invention;
Fig. 4 is the device use view for changing wide and heavy plate mill hydraulic AGC cylinder of the embodiment of the present invention.
In figure: 1 crossbeam, 2 gripper shoes, 3 reinforcements, 4 consolidate gusset, 5 connecting plates, 6 bases, 7 chain hooks, 8 electronic calabashes
Reed, 9 steel wire ropes, 10 shoulder pole girders, 11 bolts, 12 sensor boards, 13L type mill housing, 14 hydraulic AGC cylinders, 15 melt pits.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is illustrated further.
Embodiment 1
The device for changing wide and heavy plate mill hydraulic AGC cylinder of the present invention, wide and heavy plate mill hydraulic AGC cylinder is arranged on two milling trains
In the melt pit of memorial archway bottom, two mill housings are L-shaped, and positioned opposite, and wide and heavy plate mill hydraulic AGC cylinder is in L-type milling train board
The centre position in mill, includes crossbeam support unit and two electric blocks for changing the device of wide and heavy plate mill hydraulic AGC cylinder.
Referring now to the crossbeam support unit structural representation that Fig. 1 and Fig. 2, Fig. 1 are the embodiment of the present invention, Fig. 2 is Fig. 1's
Side view.As it can be seen, described crossbeam support unit includes that crossbeam, gripper shoe, gusset, base, crossbeam 1 are long 2060mm strip
Section steel beam;The both sides of crossbeam are welded admittedly with gripper shoe 2 top, by gripper shoe vertical support crossbeam;Crossbeam sets with gripper shoe junction
60mm triangle reinforcement 3 is had to strengthen;Consolidate the solid weldering of gusset 4, firm gusset bottom and thick 90mm with thick 70mm bottom gripper shoe 2
The solid weldering of connecting plate 5;The down either side of connecting plate 5 top with splayed base 6 respectively is welded admittedly, forms firm hoisting bracket;
Described crossbeam uses thick 120mm steel plate to be cut into.The long 1600mm of described gripper shoe, thick 60mm.
Fig. 3 is the apparatus structure schematic diagram for changing wide and heavy plate mill hydraulic AGC cylinder of the embodiment of the present invention.Described two
Individual electric block 8 is arranged on crossbeam by being suspended on the chain hook 7 of crossbeam both sides, is used for hanging the polishing of electric block position
In the arc-shaped;Steel wire rope 9 used for electric hoist is connected with shoulder pole girder 10, and shoulder pole girder is provided with four bolts 11, and bolt can be with AGC cylinder
For the bolt hole coupling connected on body.Described electric block lifting capacity is 20t.
Embodiment 2
The device using method for changing wide and heavy plate mill hydraulic AGC cylinder of the present invention, comprises the following steps:
A, change wide and heavy plate mill hydraulic AGC cylinder with 50t driving and movable hydraulic pressure unit in wide and heavy plate mill workshop by being used for
Device is put on work roll changing guide rail, will be used for changing the device of wide and heavy plate mill hydraulic AGC cylinder with workroll change
Push mill stand, it is ensured that roll for changing the base 6 correctly L-type with both sides of the device of wide and heavy plate mill hydraulic AGC cylinder
Machine memorial archway contacts, and after the device stable in placement for changing wide and heavy plate mill hydraulic AGC cylinder, operative employee opens melt pit lid
Plate, then utilizes conveying roller changing rig to be incited somebody to action with the high-strength bolt having 4 M42 being used for being connected on AGC cylinder body by shoulder pole girder 10
Cylinder body and shoulder pole girder connect fixing;
B, respectively dismounting AGC cylinder protective cover and stepped plate;
C, with the jack of two 100t by AGC cylinder bottom seat top pine, then equipment connector bolt 11 is connected AGC cylinder
It is fixing that bolt hole makes AGC cylinder connect, then by slinging AGC cylinder together with sensor board 12 with 2 20t electric blocks;
D, AGC cylinder is winched to certain altitude the base cross members of equipment connector recess and special hanger is stopped after cooperating
Lifting;
E, roll change buggy is pushed AGC cylinder bottom portion after, cylinder body is placed on dolly, due to special hanger and equipment connector phase
Button, while being pulled out by cylinder body, special hanger removes simultaneously, winches to specific bit with driving and put after being transported to void spaces.Described biography
Sensor plate 12 is connected with steel wire rope 9, and is arranged on the top of shoulder pole girder 10.
The present invention has substantive distinguishing features and significant technological progress, and being used for of the present invention changes wide and heavy plate mill hydraulic pressure
The device of AGC cylinder and using method thereof, utilize hanging apparatus to hang out AGC cylinder to position of platform from melt pit, improves construction effect
Rate, reduces construction risk, saves the repair time, reduces personnel and puts into and equipment investment, thus reduce construction cost, improves simultaneously
Production efficiency of equipment.
Above example is used for illustrative purposes only, rather than limitation of the present invention, about the technology people of technical field
Member, without departing from the spirit and scope of the present invention, it is also possible to make various conversion or change.Therefore, all equivalents
Technical scheme also should belong to scope of the invention, should be limited by each claim.
Claims (6)
1., for changing a device for wide and heavy plate mill hydraulic AGC cylinder, wide and heavy plate mill hydraulic AGC cylinder is arranged on two milling train boards
In the melt pit of bottom, mill, two mill housings are L-shaped, and positioned opposite, and wide and heavy plate mill hydraulic AGC cylinder is in L-type mill housing
Centre position, include crossbeam support unit and two electric blocks for the device changing wide and heavy plate mill hydraulic AGC cylinder, its
It is characterised by:
Described crossbeam support unit includes that crossbeam, gripper shoe, gusset, base, crossbeam (1) are length >=2060mm strip shaped steel
Beam;The both sides of crossbeam are welded admittedly with gripper shoe (2) top, by gripper shoe vertical support crossbeam;Crossbeam is provided with gripper shoe junction
60mm triangle reinforcement (3) strengthens;Gripper shoe (2) bottom and thick 70mm consolidate the solid weldering of gusset (4), and firm gusset bottom is with thick
The solid weldering of 90mm connecting plate (5);The down either side of connecting plate (5) top with splayed base (6) respectively is welded admittedly, is formed firm
Hoisting bracket;
Said two electric block (8) is arranged on crossbeam by being suspended on chain hook (7) of crossbeam both sides, is used for hanging electricity
Dynamic calabash position is polished into circular arc;Steel wire rope used for electric hoist (9) is connected with shoulder pole girder (10), and shoulder pole girder is provided with some spiral shells
Bolt (11), bolt can mate for the bolt hole being connected with on AGC cylinder body.
2. the device for changing wide and heavy plate mill hydraulic AGC cylinder as claimed in claim 1, it is characterised in that described crossbeam
Thick 120mm steel plate is used to be cut into.
3. the device for changing wide and heavy plate mill hydraulic AGC cylinder as claimed in claim 1, it is characterised in that described support
The long 1600mm of plate, thick 60mm.
4. the device for changing wide and heavy plate mill hydraulic AGC cylinder as claimed in claim 1, it is characterised in that described electronic
Hoist amount >=20t.
5. the device using method for changing wide and heavy plate mill hydraulic AGC cylinder as claimed in claim 1, its feature exists
In comprising the following steps:
A, change wide and heavy plate mill hydraulic AGC cylinder with 50t driving and movable hydraulic pressure unit in wide and heavy plate mill workshop by being used for
Device is put on work roll changing guide rail, will be used for changing the device of wide and heavy plate mill hydraulic AGC cylinder with workroll change
Push mill stand, it is ensured that for change the base (6) of the device of wide and heavy plate mill hydraulic AGC cylinder correctly with the L-type of both sides
Mill housing contacts, and after the device stable in placement for changing wide and heavy plate mill hydraulic AGC cylinder, operative employee opens melt pit lid
Plate, then utilizes conveying roller changing rig by shoulder pole girder (10) and the high-strength bolt having 4 M42 for being connected on AGC cylinder body
Cylinder body and shoulder pole girder are connected fixing;
B, respectively dismounting AGC cylinder protective cover and stepped plate;
C, with the jack of two 100t by AGC cylinder bottom seat top pine, then by equipment connector with bolt (11) connect AGC cylinder
Bolt hole to make AGC cylinder connect fixing, then by slinging AGC cylinder together with sensor board (12) with 2 20t electric blocks;
D, AGC cylinder is winched to certain altitude the base cross members of equipment connector recess and special hanger is stopped after cooperating
Lifting;
E, roll change buggy is pushed AGC cylinder bottom portion after, cylinder body is placed on dolly, due to special hanger and equipment connector phase
Button, while being pulled out by cylinder body, special hanger removes simultaneously, winches to specific bit with driving and put after being transported to void spaces.
6. the device using method for changing wide and heavy plate mill hydraulic AGC cylinder as claimed in claim 5, it is characterised in that
Described sensor board (12) is connected with steel wire rope (9), and is arranged on the top of shoulder pole girder (10).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610861485.2A CN106216408A (en) | 2016-09-29 | 2016-09-29 | A kind of device for changing wide and heavy plate mill hydraulic AGC cylinder and using method thereof |
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CN201610861485.2A CN106216408A (en) | 2016-09-29 | 2016-09-29 | A kind of device for changing wide and heavy plate mill hydraulic AGC cylinder and using method thereof |
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CN201610861485.2A Pending CN106216408A (en) | 2016-09-29 | 2016-09-29 | A kind of device for changing wide and heavy plate mill hydraulic AGC cylinder and using method thereof |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107282642A (en) * | 2017-06-21 | 2017-10-24 | 江阴兴澄特种钢铁有限公司 | Four-roller stove rolls up reversable mill automatic thickness control device Replacement procedure |
CN107671124A (en) * | 2017-09-12 | 2018-02-09 | 宁波宝新不锈钢有限公司 | A kind of replacing options of large-scale AGC hydraulic cylinders |
CN111015580A (en) * | 2020-01-07 | 2020-04-17 | 山东建筑大学 | Horizontal roller hydraulic cylinder replacing tool for section steel rolling mill and using method |
CN111546298A (en) * | 2020-04-26 | 2020-08-18 | 浙江龙盛薄板有限公司 | Multifunctional AGC cylinder maintenance platform |
CN113428779A (en) * | 2021-05-24 | 2021-09-24 | 中国二十冶集团有限公司 | Installation method for upper cylinder of rolling mill in limited space |
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CN201164853Y (en) * | 2007-11-22 | 2008-12-17 | 中国第一重型机械集团公司 | Press type AGC cylinder fixing and changing apparatus |
CN201692987U (en) * | 2010-06-02 | 2011-01-05 | 鞍钢建设集团有限公司 | Movable bracket for installing and replacing rolling mill screwdown device |
CN202207709U (en) * | 2011-08-11 | 2012-05-02 | 二重集团(德阳)重型装备股份有限公司 | Special attachment for replacing rolling mill stepped shims and lower hydraulic AGC device |
CN206104558U (en) * | 2016-09-29 | 2017-04-19 | 五冶集团上海有限公司 | A device for changing width heavy plate mill hydraulic pressure AGC jar |
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2016
- 2016-09-29 CN CN201610861485.2A patent/CN106216408A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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DE19633668C5 (en) * | 1996-08-21 | 2004-04-01 | Voith Paper Patent Gmbh | Process for changing a roller and roller changing tool |
CN201164853Y (en) * | 2007-11-22 | 2008-12-17 | 中国第一重型机械集团公司 | Press type AGC cylinder fixing and changing apparatus |
CN201692987U (en) * | 2010-06-02 | 2011-01-05 | 鞍钢建设集团有限公司 | Movable bracket for installing and replacing rolling mill screwdown device |
CN202207709U (en) * | 2011-08-11 | 2012-05-02 | 二重集团(德阳)重型装备股份有限公司 | Special attachment for replacing rolling mill stepped shims and lower hydraulic AGC device |
CN206104558U (en) * | 2016-09-29 | 2017-04-19 | 五冶集团上海有限公司 | A device for changing width heavy plate mill hydraulic pressure AGC jar |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107282642A (en) * | 2017-06-21 | 2017-10-24 | 江阴兴澄特种钢铁有限公司 | Four-roller stove rolls up reversable mill automatic thickness control device Replacement procedure |
CN107671124A (en) * | 2017-09-12 | 2018-02-09 | 宁波宝新不锈钢有限公司 | A kind of replacing options of large-scale AGC hydraulic cylinders |
CN111015580A (en) * | 2020-01-07 | 2020-04-17 | 山东建筑大学 | Horizontal roller hydraulic cylinder replacing tool for section steel rolling mill and using method |
CN111015580B (en) * | 2020-01-07 | 2022-02-01 | 山东建筑大学 | Horizontal roller hydraulic cylinder replacing tool for section steel rolling mill and using method |
CN111546298A (en) * | 2020-04-26 | 2020-08-18 | 浙江龙盛薄板有限公司 | Multifunctional AGC cylinder maintenance platform |
CN111546298B (en) * | 2020-04-26 | 2022-06-07 | 浙江龙盛薄板有限公司 | Multifunctional AGC cylinder maintenance platform |
CN113428779A (en) * | 2021-05-24 | 2021-09-24 | 中国二十冶集团有限公司 | Installation method for upper cylinder of rolling mill in limited space |
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Application publication date: 20161214 |