CN108114988A - Roll mill more changing device - Google Patents
Roll mill more changing device Download PDFInfo
- Publication number
- CN108114988A CN108114988A CN201611081048.5A CN201611081048A CN108114988A CN 108114988 A CN108114988 A CN 108114988A CN 201611081048 A CN201611081048 A CN 201611081048A CN 108114988 A CN108114988 A CN 108114988A
- Authority
- CN
- China
- Prior art keywords
- driving
- bracket
- joist
- milling train
- roll
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- B21B31/12—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by vertically displacing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/16—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
- B66F7/20—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks by several jacks with means for maintaining the platforms horizontal during movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2203/00—Auxiliary arrangements, devices or methods in combination with rolling mills or rolling methods
- B21B2203/32—Roll changing stools
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Metal Rolling (AREA)
Abstract
The present invention provides a kind of roll mill more changing device, the driving that can pass in and out milling train including one, the travel track of the driving is parallel with breast roll roll shaft to be replaced；Joist is provided on the pedestal of the driving, the joist can be along the slide of its horizontal sliding with one, and the slide and the travel track of the driving are perpendicular；An overarm is equipped at the top of the driving；Further including one can be placed in milling train and through the bracket of the joist support into the driving in milling train, and the Zhou Duan of the bracket is equipped with lifting lug or lifting hole(eyelet)；The joist forms a rotation disposable support shaft in position compared with the bracket；The avoiding space for preventing interferenceing with foreplate in milling train is offered on the frame body of the bracket.
Description
Technical field
The present invention relates to a kind of inlet of rolling mill and the breast roll disassembling, assembling and replacing device of outlet.
Background technology
1580 roll mills are rolling line important component, R1 and R2 milling trains are respectively two, as shown in Figure 1,110 He of mill rolls
The entrance side and outlet side of 120 office milling trains, critical component of the breast roll as milling train, the machine breast roll position are in milling train
Portion, it is 1920 that shelves are opened in installation, very compact in structure since 1580 milling trains are Japanese Design, therefore ten during disassembling, assembling and replacing
Divide difficulty, the failure that breast roll installation question can be triggered to generate in replacement process, and the processing time of failure is longer.
This is because breast roll is mounted on inside milling train, nearby there is upper and lower foreplate body, space is very narrow and small, existing
Method for dismounting mainly uses following steps：
1st, stop position is carried out, upper and lower foreplate is done into good position, particularly descends guide and guard will by dismantling the method for spline
It is put into it is minimum, so that breast roll can remove；
2nd, will the dismountings such as backstop tiltedly be carved；
3rd, it will tiltedly carve and pulled out with guide chain；
4th, made a concerted effort breast roll ejecting bottom seam allowance position so that it can be higher than seam allowance liner plate with guide chain and jack etc.
Position removes；
5th, breast roll is exported from milling train with guide chain, driving carries out auxiliary lifting operation, and roller is hung out milling train；
Wherein, there are the following problems for above-mentioned method for dismounting：
1st, it is larger that pressing-in forces are tiltedly carved etc., breast roll top does not go out, it is necessary to use multiple guide chains adjustment position, and roller lower portion
It puts small, wants to find out suitable jack and suitable position is more difficult, processing time is long, and dismounting is difficult；
2nd, split out after breast roll, it is necessary to be paid close attention to the export of multiple guide chains, multiple personnel's erect-positions etc., it is askew to skew what is hung
Situation happens occasionally, and safety problem protrudes；Simultaneously need driving carry out cooperation lifting, during which other with driving overhauling project without
Method is constructed, and manpower and materials consumption is huge.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of it is possible to prevente effectively from askew skew is hung, and can guarantee constructor
Member's safety, and dismount roll mill easy to implement more changing device.
Its technical problem to be solved can be implemented by the following technical programs.
A kind of roll mill more changing device, feature be, including：
One can pass in and out the driving of milling train, and the travel track of the driving is parallel with breast roll roll shaft to be replaced；It is described
Joist is provided on the pedestal of driving, the joist can be along the slide of its horizontal sliding, the slide and the driving with one
Travel track it is perpendicular；An overarm is equipped at the top of the driving；With
One can be placed in milling train and through the bracket of the joist support into the driving in milling train, the week of the bracket
End is equipped with lifting lug or lifting hole(eyelet)；The joist forms a rotation disposable support shaft in position compared with the bracket；The bracket
Frame body on offer the avoiding space for preventing interferenceing with foreplate in milling train.
As being further improved for above-mentioned technical proposal, the overarm is placed on a stent, the overarm and the branch
Frame surrounds the frame structure of a C-shaped with the pedestal jointly；The overarm is equipped with more than one suspension hook discharged side by side.
As one of the preferred embodiment of the present invention, when the supporting surface for the bracket being placed on the joist is in horizontal state,
Roll shaft takes height of the lower end surface for the breast roll being put on the bracket apart from the final installation mating surface of its corresponding end-faces not
Less than 50mm.
Being further improved for the technical program is also served as, the forepart of the driving is equipped with towing hook.
As the further improvement of the technical program, the afterbody of the opening direction driving of the gap frame structure.
One of the preferred embodiment of the present invention is also served as, horizontal position is one when the bracket is rotated compared with the joist
A limit rotates position.
Can effectively it be ensured when being installed for breast roll using the roll mill more changing device of above-mentioned technical proposal
The correct installation of breast roll, avoids due to breast roll failure caused by installation question, and can effectively protect breast roll.Entirely tear open
Unloading process only needs finally once to hang out the breast roll with driving, and during which driving can implement other overhauling projects, reduce
Nonscheduled down time.And installation process is similar, can effectively ensure installation site, avoid generating install grade not in place compared with
For it is serious the problem of.Spare part can be effectively protected, avoids installation question, and protects other component in milling train.
Description of the drawings
Fig. 1 is the location drawing of the breast roll in milling train；
Fig. 2 is the structure diagram of more changing device of the invention；
Fig. 3 is the right view of Fig. 2；
Fig. 4 uses schematic diagram for more changing device of the invention；The figure mainly illustrates breast roll in milling train in milling train
The state drawn and lifted by crane；
Fig. 5 is the state signal for the moment that state lower bearing bracket roller shown in Fig. 4 is lifted；
Fig. 6 is the top view of bracket in Fig. 2；
Fig. 7 is the schematic construction of the one of state of breast roll in the present invention；
In figure：1 --- right angle frame 2 --- bracket 240,250 --- frame bars 260 --- hollow space 231,
232 --- lifting lug 3, the 3b --- --- --- --- --- bolts 8 --- axis 9 --- of tabletting 7 of wheel 6 of pedestal 5 of joist 4
--- --- --- breast roll 140 --- roller 141 --- draws ear to locking plate 10 by guide chain 14,14b by bolt 12a, 12b
142 --- bottom face 15,15b --- --- --- jack 18 --- ejection column 20 --- water of guide chain 17 of guide chain 16
Prosposition 21 --- tilts --- --- drag hook 110,120 --- breast roll 200 --- crossbeam of foreplate 31 of position 22,23
201st, 202 --- lifting position 203,204,205,206 --- hook 300 --- driving 400 --- roll change buggies
410 --- towing hook 500 --- mounting base 510 --- mounting surfaces
Specific embodiment
Specific embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings.
The more changing device of roll mill as shown in Figures 2 to 7 and its using schematic construction, illustrates in figure on the right side of milling train
Process during breast roll changing.
Breast roll changing device main body provided by the invention is a driving 300 that can be put into and remove inside milling train,
It includes the right angle frame 1 of C-shaped, and right angle frame 1 includes crossbeam 200, the afterbody of the c-shaped opening direction driving of right angle frame 1.Right angle frame 1
It is placed on pedestal 4, pedestal 4 is equipped with joist 3, and joist 3 can in the horizontal direction move back and forth along the sliding slot being arranged on pedestal 4
(or the structure that bracket 2 moves back and forth in the horizontal direction along the sliding slot on joist 3 can also be arranged to, pass through movement at this time
Drive a vehicle to control the position of joist 3), moving direction and the direct of travel of driving are perpendicular, and driving bottom is equipped with wheel 5, takes turns
Son 5 is associated with pedestal 4 through components such as tabletting 6, bolt 7 and 10, axis 8 and locking plates 9.
Bracket 2 is placed on inside milling train in advance, and bracket 2 is by the frame bars 240 of two transverse directions and two vertical frames
Bar 250 assembles, and centre forms hollow space 260, and the surrounding end face of bracket 2 is provided with lifting lug 231 and 232.Bracket 2 is used for
Transitional bears the breast roll needed replacing.When driving a vehicle 300 into milling train inside, bracket 2, which can be taken, to be placed on joist 3.
As shown in figure 4, the left part of bracket 2 is in contact with joist 3, the breast roll needed replacing on the right side of milling train presses
On the loading end of the right part of bracket 2, jack 17 and the effect of ejection column 18 and the lifting lug on right side through lower part
232 by the lifting of guide chain 16, can realize the inclination position 21 (breast roll needs to eject seam allowance position) of bracket 2 and horizontal position 20
Mutual conversion between (breast roll can export position, cross breast roll seam allowance position).I.e. bracket 2 is actually compared with joist
3 is rotatable, and this rotation is preferably limited on rotational steps, such as horizontal position is the rotation of one limit
Position.Bracket 2 rotates outer other relative motions relative to joist 3 in order to prevent simultaneously, can be before and after joist 3 (reference can be made to Fig. 2
Middle rolling car it is front and rear) certain limiting component is set, to ensure that bracket 2 and joist 3 are relatively fixed when between the two only can be opposite
It rotates.
The drawing ear 141 of breast roll left upper portion and the drawing of position portion (not illustrating in figure) through guide chain 15b (15) of lower part
Dynamic, the position for realizing breast roll 14b to 14 from figure changes that (wherein the location of breast roll 14b is that breast roll is pushed up
Go out behind the position of mounting base 500 location status when being positioned horizontally on bracket 2).Position wherein residing for breast roll 14
Put the position that face driving 300 enters.Lifting position 201 and 202, two positions one there are two being set on crossbeam 200 at the top of driving a vehicle
Play a part of by hook 203,204,205,206 and guide chain 12a and 12b, by the roller 140 of breast roll together with entire machine
Frame roller is sling.
Wherein, when bracket 2 is placed into inside milling train, the hollow space 260 among bracket 2 can just avoid foreplate
The part of 22 protrusions (22 in figure are put into extreme lower position for the lower guide and guard in outlet).And it is avoided when replacing the breast roll on the left of milling train
Be then left side foreplate 23 (23 in figure are put into open position for guide and guard under entrance).
As shown in figure 3, joist actually needs location when the label 3b in figure is replaces breast roll on the left of milling train.
As shown in figure 5, be the breast roll after lifting when being transported inside milling train momentary status (for the ease of expression,
Other contents such as milling train inner part are omitted in figure), the aft mounted towing hook of the roll change buggy 400 outside milling train
410 with driving forepart 31 phase separation of drag hook, realize to drive a vehicle 300 outside draggings.And bracket 2 can continue to stay in milling train
Portion carries out subsequent relevant operation.
In addition, as shown in fig. 7, when bracket is in horizontal position, the loading end of bracket and roller lower part (the i.e. roller of breast roll
Face) it is in contact, the bottom face 142 of mill rolls leaves mounting base and the distance H of mounting surface 510 is coordinated at least to should be 50mm (i.e. racks
Roller installs end face and is higher than the final cooperation mounting surface at least height of 50mm accordingly), the mounting surface 510 in figure is mounting base
500 one of step surface is used for a support feet of installation frame roller.
Breast roll is placed on trolley by the present invention by way of provided with wheels trolley is made, and is dragged using roll change buggy
Go out.On the other hand, the frame structure designed on trolley allows breast roll in milling train external application driving hanging out.
And due in milling train mechanism it is narrow and small, guide and guards etc. has an interference, therefore lifting point will be provided on gap frame, into
And breast roll is lifted on trolley.
Following steps may be employed during concrete operations:
1st, the stop position of breast roll changing is carried out, promotes milling train including taking out roller, replacing trolley, upper and lower guide and guards is just
Position, the one end for replacing breast roll falls on bottom, opposite side to open position by removing the method for spline housing.And by joist 3
And bracket 2 is installed in place, and the roller faces of breast roll are supported；
2nd, breast roll is tiltedly carved, the dismountings such as stop, two ejection columns 18 and two jack 17 are in place, balance guide chain 16
It is in place that guide chain 15 is pulled out with breast roll；
3rd, breast roll is ejected from installation site to seam allowance position excessively with two jack；Two jack point are needed altogether
Not Wei each one of DS, WS because there is joist 3, it is all ejection it is very convenient.
4th, the bearing block of breast roll is pulled out with guide chain 15, while breast roll roll surface exports to position along the rotation of bracket 2,
Breast roll can be moved to milling train with respect to center, compared to being pulled out with guide chain more merely, so can cleverly utilize roller
With the relative rotation of bearing block, manpower is saved.
5th, breast roll is sling to designated position with two guide chain 12a and 12b on trolley, it is important that depart from bracket 2；
6th, bracket 2 is slid into opposite side breast roll lower part, such trolley can be outputed；
7th, the replacement breast roll trolley is hauled out into milling train by the gib head of forepart with roll change buggy, to the lifting position specified
It puts.On the other hand, the frame structure on trolley is designed so that breast roll can be in milling train external application driving hanging out, can be by frame
With the mode of C-shaped.
8th, breast roll is hung out with driving and carries out the operation such as replacing；
Due to devising the designated position of joist 3 when the 9th, installing, it is ensured that the installation site of breast roll, and can examine
Whether correct look into position.
Claims (6)
1. a kind of roll mill more changing device, which is characterized in that including：
One can pass in and out the driving of milling train, and the travel track of the driving is parallel with breast roll roll shaft to be replaced；The driving
Pedestal on be provided with joist, the joist has one can be along the slide of its horizontal sliding, the slide and the row of the driving
It is perpendicular into track；An overarm is equipped at the top of the driving；With
One can be placed in milling train and through the bracket of the joist support into the driving in milling train, the Zhou Duanshe of the bracket
There are lifting lug or lifting hole(eyelet)；The joist forms a rotation disposable support shaft in position compared with the bracket；The frame of the bracket
The avoiding space for preventing interferenceing with foreplate in milling train is offered on body.
2. roll mill according to claim 1 more changing device, which is characterized in that the overarm is placed in a stent
On, the overarm and the stent and the pedestal surround the frame structure of a C-shaped jointly；Set in the overarm there are one with
On the suspension hook that discharges side by side.
3. roll mill according to claim 1 more changing device, which is characterized in that the bracket being placed on the joist
Supporting surface when being in horizontal state, it is final apart from its corresponding end-faces that roll shaft takes the lower end surface of the breast roll being put on the bracket
The height for installing mating surface is not less than 50mm.
4. roll mill according to claim 1 more changing device, which is characterized in that the forepart of the driving is equipped with and drags
Hook.
5. roll mill according to claim 2 more changing device, which is characterized in that the opening of the gap frame structure
Towards the afterbody of driving.
6. roll mill according to claim 1 more changing device, which is characterized in that horizontal position for the bracket compared with
The limit rotation position during joist rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611081048.5A CN108114988B (en) | 2016-11-30 | 2016-11-30 | Roll mill more changing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611081048.5A CN108114988B (en) | 2016-11-30 | 2016-11-30 | Roll mill more changing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108114988A true CN108114988A (en) | 2018-06-05 |
| CN108114988B CN108114988B (en) | 2019-05-24 |
Family
ID=62226279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611081048.5A Active CN108114988B (en) | 2016-11-30 | 2016-11-30 | Roll mill more changing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108114988B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110328241A (en) * | 2019-06-27 | 2019-10-15 | 上海五钢设备工程有限公司 | The breast roll changing tooling and roll-changing method of reversing four-high mill |
| CN112427921A (en) * | 2020-11-24 | 2021-03-02 | 太原钢铁(集团)有限公司 | Device and method for dismantling floating shaft of hot rolling roughing mill |
| WO2022257672A1 (en) * | 2021-06-09 | 2022-12-15 | 大连富地重工机械制造有限公司 | Three-dimensional quick change machine for use in production line |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63220913A (en) * | 1987-03-10 | 1988-09-14 | Nkk Corp | Roll chock recombination device |
| CN200981077Y (en) * | 2006-09-28 | 2007-11-28 | 鞍钢股份有限公司 | Device for changing rolling mill breast roller |
| CN202199596U (en) * | 2011-07-28 | 2012-04-25 | 芜湖双源管业有限公司 | Roll change carriage of cold rolling mill |
| CN202438550U (en) * | 2012-03-01 | 2012-09-19 | 重庆钢铁(集团)有限责任公司 | Roll replacement track mechanism of rough mill stand roll overhauling tool |
| CN205217612U (en) * | 2015-11-17 | 2016-05-11 | 鞍钢股份有限公司 | Rolling -mill housing roller roll changing carriage |
-
2016
- 2016-11-30 CN CN201611081048.5A patent/CN108114988B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63220913A (en) * | 1987-03-10 | 1988-09-14 | Nkk Corp | Roll chock recombination device |
| CN200981077Y (en) * | 2006-09-28 | 2007-11-28 | 鞍钢股份有限公司 | Device for changing rolling mill breast roller |
| CN202199596U (en) * | 2011-07-28 | 2012-04-25 | 芜湖双源管业有限公司 | Roll change carriage of cold rolling mill |
| CN202438550U (en) * | 2012-03-01 | 2012-09-19 | 重庆钢铁(集团)有限责任公司 | Roll replacement track mechanism of rough mill stand roll overhauling tool |
| CN205217612U (en) * | 2015-11-17 | 2016-05-11 | 鞍钢股份有限公司 | Rolling -mill housing roller roll changing carriage |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110328241A (en) * | 2019-06-27 | 2019-10-15 | 上海五钢设备工程有限公司 | The breast roll changing tooling and roll-changing method of reversing four-high mill |
| CN110328241B (en) * | 2019-06-27 | 2020-11-13 | 上海五钢设备工程有限公司 | Rack roll replacing tool and method for reversible four-high mill |
| CN112427921A (en) * | 2020-11-24 | 2021-03-02 | 太原钢铁(集团)有限公司 | Device and method for dismantling floating shaft of hot rolling roughing mill |
| CN112427921B (en) * | 2020-11-24 | 2023-02-10 | 太原钢铁(集团)有限公司 | Device and method for dismantling floating shaft of hot rolling roughing mill |
| WO2022257672A1 (en) * | 2021-06-09 | 2022-12-15 | 大连富地重工机械制造有限公司 | Three-dimensional quick change machine for use in production line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108114988B (en) | 2019-05-24 |
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