CN201823754U - Device for replacing bent roller block or balance block of rolling mill - Google Patents
Device for replacing bent roller block or balance block of rolling mill Download PDFInfo
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- CN201823754U CN201823754U CN2010205751396U CN201020575139U CN201823754U CN 201823754 U CN201823754 U CN 201823754U CN 2010205751396 U CN2010205751396 U CN 2010205751396U CN 201020575139 U CN201020575139 U CN 201020575139U CN 201823754 U CN201823754 U CN 201823754U
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- traversing
- dolly
- hydraulic cylinder
- transversing
- framework
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Abstract
The utility model provides a device for replacing a bent roller block or a balance block of a rolling mill, belonging to the technical field of rolling mills. The device is used for replacing the bent roller block or the balance block of the rolling mill quickly, conveniently, safely and effectively. The technical scheme is as follows: the device consists of a transversing dolly and a transition sheet dolly; the transversing dolly and the transition sheet dolly are arranged on a working roller replacing rail above a lower supporting roller; one end of the transition sheet dolly is connected with a working roller replacing dolly; the other end of the transition sheet dolly is connected with the transversing dolly; the transversing dolly consists of a bottom frame and a transversing frame; a sliding plate is fixed on the bottom frame; the lower bottom surface of the transversing frame is connected with the sliding plate in a sliding way; a transversing hydraulic cylinder is arranged below the transversing frame; a lifting hydraulic cylinder is arranged on the bottom frame; a piston push rod of the lifting hydraulic cylinder vertically faces to the bent roller block or the balance block of the rolling mill; and the transversing hydraulic cylinder and the lifting hydraulic cylinder are connected with a hydraulic driving device respectively. The device is simple in structure and can be used quickly and conveniently; the construction safety can be improved; and the labor intensity can be reduced greatly, and the effective working rate of the rolling mill can be improved.
Description
Technical field
The utility model relates to a kind of device that can change four-high mill roller bending block or balance weight, belongs to the steel rolling equipment technical field.
Background technology
Milling train generally adopts the roller bending block technology both at home and abroad at present, wherein balance weight is adopted in roughing, and for the installation of mill roll bending piece or balance weight, the design of special tool for examination and repair, generally all utilize the backup roll change track to be the strong point, its mechanical device structure is complicated, mainly is made up of lower raft and top Traverse Displacement Unit, needs to extract out the lower support roller and just can be placed on the backup roll change track, after finishing, replacing needs to recover lower support roller, complex steps, consuming time.Traversing and the lifting system of mechanical device all adopts the hand-hydraulic system, and labour intensity is big, inefficiency.Owing to utilize the backup roll change track to be the strong point, operation platform and strong point difference in height are bigger in addition, and poor stability, instrument design very large heaviness.The deadweight of changing the specific purpose tool of roller bending block or balance weight if any essence (slightly) milling train of certain iron and steel enterprise is 31.758 tons, is very much heavy.
Summary of the invention
Technical problem to be solved in the utility model provide a kind of simple in structure, easy to use, can reduce labour intensity greatly, improve security and the replacing mill roll bending piece of operating efficiency or the device of balance weight.
The technical scheme that solves the problems of the technologies described above is:
A kind of device of changing mill roll bending piece or balance weight, it is made up of traversing dolly and transition flat bogie, traversing dolly and transition flat bogie are positioned on the work roll changing track of top of lower support roller, one end of transition flat bogie is connected with the work roll changing dolly, the other end is connected with traversing dolly, traversing dolly is made up of under(-)chassis and traversing framework, be fixed with slide plate on the under(-)chassis, the bottom surface of traversing framework is connected with slide plate slides, traversing hydraulic cylinder is installed under the traversing framework, the moving direction of traversing framework and work roll changing track are perpendicular, the lifting hydraulic cylinder is installed on under(-)chassis, the piston push rod of lifting hydraulic cylinder and mill roll bending piece or balance weight are vertically opposite, traversing hydraulic cylinder, the lifting hydraulic cylinder is connected with fluid pressure drive device respectively.
The device of above-mentioned replacing mill roll bending piece or balance weight is equipped with two traversing hydraulic cylinders under the described traversing framework, the operative orientation of traversing hydraulic cylinder is along the mobile axis of traversing framework, and they are separately fixed at the two ends of traversing framework along the mobile axis of traversing framework.
The device of above-mentioned replacing mill roll bending piece or balance weight, described lifting hydraulic cylinder is four, and they are arranged along traversing framework mobile axis bilateral symmetry respectively, and every side is two.
The device of above-mentioned replacing mill roll bending piece or balance weight, the below of described traversing dolly and transition flat bogie is equipped with wheel and matches with the working roll track, wherein there is downward chimb in two outsides of the contact-making surface of the wheel of a side and track, and chimb wraps in the outside of working roll track.
The utility model is the strong point with the work roll changing track, utilize hydraulic system and traversing dolly lifting and traversing roller bending block or balance weight, utilizing the work roll changing dolly of four-high mill to vertically move the roller balance weight changes, consider that four-high mill has four roller bending blocks or balance weight, has designed the middle transition flat bogie.This device is not only simple in structure, use is efficient and convenient, lightly durable, also improved working security, greatly reduced worker's labour intensity, simplified operational procedure, shortened construction period, improved the effective operation rate of milling train, for the time has been saved in fast pace production.The weight of an embodiment of the present utility model only is that operating efficiency has improved 60% more than 3 tons, and personnel are original 1/4.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the working state figure of traversing dolly;
Fig. 4 is the front view of traversing dolly;
Fig. 5 is the left view of traversing dolly;
Fig. 6 is the vertical view of traversing dolly;
Fig. 7 is the front view of transition flat bogie;
Fig. 8 is the left view of transition flat bogie;
Fig. 9 is the vertical view of transition flat bogie.
Mark is as follows among the figure: lower support roller 1, work roll changing roller-way 2, roller bending block or balance weight 3, traversing dolly 4, transition flat bogie 5, under(-)chassis 6, traversing framework 7, lifting hydraulic cylinder 8, traversing hydraulic cylinder 9, slide plate 10, wheel 11,12, bearing pin 13, lubricating cup 14, bolt 15, axle sleeve 16, transition Platform trailer frame 17, towing plate 18, wheel 19,20.
The specific embodiment
The utility model is made up of traversing dolly 4, transition flat bogie 5, working method is the strong point with work roll changing track 2, utilize traversing dolly 4 liftings and traversing roller bending block or balance weight 3, utilize the work roll changing dolly of four-high mill to vertically move roller bending block or balance weight 3 is changed, consider that four-high mill has four roller bending blocks or balance weight 3, has designed middle transition flat bogie 5.There is block end at transition flat bogie 5, can be connected easily and separate with the work roll changing dolly.Special-shaped nut easy to use between transition flat bogie 5 and the traversing dolly 4 is connected with clamp.Four lifting hydraulic cylinders 8 and two traversing hydraulic cylinders 9 are arranged on the traversing dolly 4, and lifting hydraulic cylinder 8 is used to prop roller bending block or balance weight 3, and traversing hydraulic cylinder 9 is used for roller bending block or balance weight 3 is traversing in dismounting and installation process.
Fig. 1,2,3 shows that the utility model is made up of traversing dolly 4 and transition flat bogie 5, and traversing dolly 4 and transition flat bogie 5 are positioned on the work roll changing track 2 of top of lower support roller 1.One end of transition flat bogie 5 is connected with the work roll changing dolly, and the other end is connected by heterotypic bolt, clamp and traversing dolly 4.Traversing dolly 4 utilizes lifting hydraulic cylinder 8 to hold up roller bending block or balance weight 3.
Fig. 4,5,6 shows that traversing dolly 4 is made up of under(-)chassis 6 and traversing framework 7.Be fixed with slide plate 10 on the under(-)chassis 6, traversing framework 7 moves on slide plate 10, and slide plate 10 is by on the under(-)chassis 6 of bolting, and pressing plate 21 is by being bolted on the under(-)chassis 6.
Traversing hydraulic cylinder 9 is positioned at the bottom of traversing framework 7, is fixed on the traversing framework 7 by bolt and clamp, and traversing framework 7 moves on under(-)chassis 6 by stretching of traversing hydraulic cylinder 9.Traversing hydraulic cylinder 9 has two, on the longitudinal centre line of traversing framework 7 about each one.Lifting hydraulic cylinder 8 is four, and they are arranged along traversing framework 7 mobile axis bilateral symmetry respectively by being bolted on the under(-)chassis 6, and every side is two, is used to support the weight of roller bending block or balance weight 3.
Traversing dolly 4 moves on work roll changing track 2 by wheel 11,12, and about wheel each two, bearing pin 13 is fixed on the under(-)chassis 6 by bolt 15, is connected lubricating cup 14 repairing easily with wheel 11,12 by axle sleeve 16.Wherein the wheel 12 of a side has downward chimb with two outsides of the contact-making surface of track, and chimb wraps in the outside of work roll changing track 2, is used for the location of traversing dolly 4 on work roll changing track 2.
Fig. 7,8,9 shows, is fixed with heterotypic bolt on the transition Platform trailer frame 17 of transition flat bogie 5, fixes by nut, and transition Platform trailer frame 17 can carry out the position adjustment when being connected with traversing dolly 4.Towing plate 18 is used for being connected with the work roll changing dolly, by being bolted on the transition Platform trailer frame 17.Transition flat bogie 17 moves on work roll changing track 2 by wheel 19,20, about each two.The structure of wheel 20 is identical with the structure of the single wheel 12 of traversing dolly 4, is used for the location of transition flat bogie 5 on work roll changing track 2.
Claims (4)
1. device of changing mill roll bending piece or balance weight, it is characterized in that: it is made up of traversing dolly [4] and transition flat bogie [5], traversing dolly [4] and transition flat bogie [5] are positioned on the work roll changing track [2] of top of lower support roller [1], one end of transition flat bogie [5] is connected with the work roll changing dolly, the other end is connected with traversing dolly [4], traversing dolly [4] is made up of under(-)chassis [6] and traversing framework [7], be fixed with slide plate [10] on the under(-)chassis [6], the bottom surface of traversing framework [7] and slide plate [10] are slidingly connected, traversing hydraulic cylinder [9] is installed under the traversing framework [7], the moving direction of traversing framework [7] and work roll changing track [2] are perpendicular, lifting hydraulic cylinder [8] is installed on under(-)chassis [6], the piston push rod of lifting hydraulic cylinder [8] and mill roll bending piece or balance weight [3] are vertically opposite, traversing hydraulic cylinder [9], lifting hydraulic cylinder [8] is connected with fluid pressure drive device respectively.
2. the device of replacing mill roll bending piece according to claim 1 or balance weight, it is characterized in that: two traversing hydraulic cylinders [9] are installed under the described traversing framework [7], the operative orientation of traversing hydraulic cylinder [9] is along the mobile axis of traversing framework [7], and they are separately fixed at the two ends of traversing framework [7] along the mobile axis of traversing framework [7].
3. the device of replacing mill roll bending piece according to claim 2 or balance weight is characterized in that: described lifting hydraulic cylinder [8] is four, and they are arranged along traversing framework [7] mobile axis bilateral symmetry respectively, and every side is two.
4. the device of replacing mill roll bending piece according to claim 3 or balance weight, it is characterized in that: the both sides, below of described traversing dolly [4] and transition flat bogie [5] are separately installed with wheel and match with work roll changing track [2], wherein there is downward chimb in two outsides of the contact-making surface of the wheel of a side and work roll changing track [2], and chimb wraps in the outside of work roll changing track [2].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205751396U CN201823754U (en) | 2010-10-25 | 2010-10-25 | Device for replacing bent roller block or balance block of rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205751396U CN201823754U (en) | 2010-10-25 | 2010-10-25 | Device for replacing bent roller block or balance block of rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201823754U true CN201823754U (en) | 2011-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205751396U Expired - Fee Related CN201823754U (en) | 2010-10-25 | 2010-10-25 | Device for replacing bent roller block or balance block of rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201823754U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102950451A (en) * | 2012-11-21 | 2013-03-06 | 马钢(集团)控股有限公司 | Quick replacement method of counterbalance of four-high mill |
| CN106111704A (en) * | 2016-08-11 | 2016-11-16 | 河北钢铁股份有限公司邯郸分公司 | A kind of wide and heavy plate mill roller block changing device |
| CN106914493A (en) * | 2017-04-05 | 2017-07-04 | 邯钢集团邯宝钢铁有限公司 | A kind of Bowed roll block fast replacing device for rolling mill |
| CN107630807A (en) * | 2017-05-09 | 2018-01-26 | 东营市鑫聚合石油科技有限责任公司 | Beam pumping unit hydro-cushion adjuster and application method |
| CN115463973A (en) * | 2022-09-13 | 2022-12-13 | 包头钢铁（集团）有限责任公司 | Preparation method of rapid replacing tool for working roll balance cylinder of roughing mill |
-
2010
- 2010-10-25 CN CN2010205751396U patent/CN201823754U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102950451A (en) * | 2012-11-21 | 2013-03-06 | 马钢(集团)控股有限公司 | Quick replacement method of counterbalance of four-high mill |
| CN106111704A (en) * | 2016-08-11 | 2016-11-16 | 河北钢铁股份有限公司邯郸分公司 | A kind of wide and heavy plate mill roller block changing device |
| CN106914493A (en) * | 2017-04-05 | 2017-07-04 | 邯钢集团邯宝钢铁有限公司 | A kind of Bowed roll block fast replacing device for rolling mill |
| CN107630807A (en) * | 2017-05-09 | 2018-01-26 | 东营市鑫聚合石油科技有限责任公司 | Beam pumping unit hydro-cushion adjuster and application method |
| CN115463973A (en) * | 2022-09-13 | 2022-12-13 | 包头钢铁（集团）有限责任公司 | Preparation method of rapid replacing tool for working roll balance cylinder of roughing mill |
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Legal Events
| 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: 20110511 Termination date: 20141025 |
|
| EXPY | Termination of patent right or utility model |