CN104959385B - A kind of hot-rolling finishing mill working roll movable block changes specific purpose tool and its application method - Google Patents

A kind of hot-rolling finishing mill working roll movable block changes specific purpose tool and its application method Download PDF

Info

Publication number
CN104959385B
CN104959385B CN201510327537.3A CN201510327537A CN104959385B CN 104959385 B CN104959385 B CN 104959385B CN 201510327537 A CN201510327537 A CN 201510327537A CN 104959385 B CN104959385 B CN 104959385B
Authority
CN
China
Prior art keywords
movable block
working roll
block
specific purpose
purpose tool
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.)
Expired - Fee Related
Application number
CN201510327537.3A
Other languages
Chinese (zh)
Other versions
CN104959385A (en
Inventor
刘健
王晓
宋保国
赵海峰
曹文莉
王启
付延亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Iron and Steel Group Co Ltd SISG
Original Assignee
Shandong Iron and Steel Group Co Ltd SISG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shandong Iron and Steel Group Co Ltd SISG filed Critical Shandong Iron and Steel Group Co Ltd SISG
Priority to CN201510327537.3A priority Critical patent/CN104959385B/en
Publication of CN104959385A publication Critical patent/CN104959385A/en
Application granted granted Critical
Publication of CN104959385B publication Critical patent/CN104959385B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

Specific purpose tool and its application method are changed the invention discloses a kind of hot-rolling finishing mill working roll movable block, the specific purpose tool includes car body, support section and cushion block, the car body includes vehicle frame, slide plate and the roller track that changes jobs, the vehicle frame is provided with vehicle frame gib head, the slide plate includes entrance sideskid and outlet sideskid, the slide plate is fixed on below vehicle frame, is slided and is connected with the roller track that changes jobs;The support section is provided with bolt, for fixing car body, prevents car body from removing the roller track that changes jobs;The cushion block is used for the height for adjusting support section, the upper surface of support section is located at sustained height with the lower surface of working roll movable block to be replaced, is easy to the removal and loading of working roll movable block.The present invention is applied to the replacing of the various finishing mill working roll vertical shift blocks of hot continuous rolling, simple to operate, time saving and energy saving, safe and reliable;Apply also for the transfer of other objects milling train Nei;It is simple in construction, it is easy to promote the use of.

Description

A kind of hot-rolling finishing mill working roll movable block changes specific purpose tool and its application method
Technical field
The invention belongs to steel rolling equipment technical field, and in particular to a kind of hot-rolling finishing mill working roll movable block is changed special Use instrument.
Background technology
Metallurgy industry hot continuous rolling production line finishing mill is one of nucleus equipment of rolling line, and the quality and yield to product are played Key effect.Wherein, finish rolling Strip Shape Control includes working roll roll shifting and roller is controlled, and working roll roll shifting and roller control are led to The roll shifting cylinder crossed on working roll movable block realizes that therefore, working roll movable block is the important portion of finishing mill with balance roll-bending cylinder Part.The replacing of working roll movable block is always one of difficult point of metallurgy industry hot continuous rolling production line overhaul of the equipments.Because work Roller movable block is arranged on the fixed block within finishing mill frame, and fixed block is fastened on mill housing with bolt, construction space Small, working roll movable block volume is big, heavy, it is impossible to directly use overhead traveling crane handling, causes working roll movable block changing time shift Go out and be moved into extremely difficult.
At present, the replacing of domestic each metallurgy industry hot continuous rolling working roll movable block mostly using first extract out upper working rolls and lower working rolls and Top backing up roll, then manually the method for lifting is sling with bottle gouard moved by hands and had bad luck, and is transplanted on milling train operation side window, then by manual calabash Reed and overhead traveling crane coordinate, and little by little remove working roll movable block out of milling train, are changed.Long, labor so the time required to dismounting Fatigue resistance is big, security is poor.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of hot-rolling finishing mill working roll movable block more Specific purpose tool is changed, transferred using working roll push-and-pull cylinder, change working roll movable block, the difficulty that working roll movable block is changed is solved Topic.
In order to solve the above technical problems, the technical solution adopted by the present invention is:A kind of hot-rolling finishing mill working roll movement Block changes specific purpose tool, including car body, support section and cushion block, it is characterised in that:The car body includes vehicle frame, slide plate and changes work Make roller track, the vehicle frame is provided with vehicle frame gib head, and the slide plate includes entrance sideskid and outlet sideskid, and the slide plate is consolidated It is scheduled on below vehicle frame, slides and connect with the roller track that changes jobs;The support section is provided with bolt, for fixing car body, Prevent car body from removing the roller track that changes jobs;The cushion block is used to adjust the height of support section, make the upper surface of support section with The lower surface of working roll movable block to be replaced is located at sustained height, is easy to the removal and loading of working roll movable block.
The entrance sideskid is recessed slide plate, and the corresponding roller track that changes jobs is raised track;The outlet sideskid is flat Slide plate, the corresponding roller track that changes jobs is plate rail road.Entrance side is that recessed slide plate, outlet side are flat runner, with changing jobs for milling train The shape of roller track is engaged, to having positioning function in the object that is moved on roller track of changing jobs, make object when mobile not De-orbit, it is ensured that object is steadily moved on roller track changing jobs.
The support section includes support beam, transition block and alignment pin, and the transition block is placed in support beam, wherein, Including erectting, transition block is peaceful to put transition block to the transition block, and the setting transition block is provided with positioning spiro pit, the support The peaceful transition block of putting of beam is provided with positioning hole.
Further, the bolt includes end bolt and interfix bolt, can prevent external force from passing to car Body shifts car body and departs from the roller track that changes jobs.
Alternatively, the support section includes support frame and nose girder.
Further, the bolt includes entrance side bolt and outlet side bolt.
The specifically used method of specific purpose tool of the present invention is:Work is changed by what specific purpose tool of the present invention was placed in car body Make on roller track, working roll movable block, which is changed specific purpose tool and shifted onto, by work roll changing push-and-pull cylinder needs the working roll changed to move At motion block;Working roll movable block is moved on this specific purpose tool using chain block, it is by work roll changing push-and-pull cylinder that this is special The working roll movable block changed with instrument and needs is pulled out together;Old working roll movable block is hung away, new working roll movable block Hang on this replacing specific purpose tool, then this specific purpose tool shifted onto former working roll movable block by working roll push-and-pull cylinder;Profit With jack new working roll movable block top in place;Install after the completion of fixing, by work roll changing push-and-pull cylinder this specific purpose tool Pull out.
The beneficial effects of the invention are as follows:
1st, using different pads, support beam or the height of support frame can be adjusted, makes support beam or the upper table of support frame Face and the lower surface of working roll movable block to be replaced are in same height, are easy to the removal and loading of working roll movable block, The replacing of block is moved up and down suitable for the various finishing mill working rolls of hot continuous rolling;
2nd, working roll movable block, which is removed and returned again, is attached to position, is translation motion i.e. sliding friction, both time saving and energy saving, again Ensure safe operation;
3rd, avoid dismounting top backing up roll, maintenance of equipment such as has bad luck at the process after being sling with chain block in milling train, simplify Operating process;
4th, the transfer of other objects milling train Nei is applied also for;
5th, it is simple in construction, it is easy to manufacture to promote the use of.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is the structural representation of car body of the present invention.
Fig. 3 is the structural representation of first embodiment of the invention.
Fig. 4 is the structural representation of first embodiment of the invention support section.
Fig. 5 is the structural representation of first embodiment of the invention bolt.
Fig. 6 is the structural representation of transition block.
Fig. 7 is Fig. 6 sectional view.
Fig. 8 is schematic diagram of the first embodiment of the invention in milling train.
Fig. 9 is Fig. 8 A-A sectional views.
Figure 10 is the schematic diagram of movable block removal under first embodiment.
Figure 11 is the schematic diagram of movable block time dress under first embodiment.
Figure 12 is the structural representation of second embodiment of the invention.
Figure 13 is the structural representation of support beam of the present invention.
Figure 14 is Figure 13 top view.
Figure 15 is schematic diagram of the second embodiment of the invention in milling train.
Figure 16 is Figure 15 B-B sectional views.
Figure 17 is the schematic diagram that movable block is removed in second embodiment.
Figure 18 is the schematic diagram that movable block returns dress in second embodiment.
In figure:1- car bodies, 2- ends bolt, 3- interfix bolts, 4- erects transition block, and 5- support beams, 6- is put down Transition block is put, 7- alignment pins, 8- cushion blocks, 9- support frames, 10- entrance side bolts, 11- outlet side bolts, 12- is led Movable block on beam, 13- flat runners, the recessed slide plates of 14-, 15- vehicle frames, 16- mill housings, 17- entrance side fixed blocks, 18- entrance sides, Moved under movable block on 19- entrance side shields, 20- outlet sides, 21- outlet side fixed blocks, 22- outlets side shield, 23- outlet sides Plunger of balance cylinder under block, 24- movable blocks, 25- plate rails road, 26- exit track beams, 27- raised tracks, 28- entrance track beams, 29- Movable block baffle plate under movable block under entrance, 30-.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention is further illustrated.
According to rolling direction, the direction that rolled piece enters milling train is entrance, and it is outlet that rolled piece, which leaves the direction of milling train,.
Embodiment 1:
As shown in Figure 1 to 11:A kind of hot-rolling finishing mill working roll movable block changes specific purpose tool, including car body 1, branch Support part point, cushion block 8 and bolt, the car body 1 include vehicle frame 15, slide plate 13,14 and the roller track 25,27 that changes jobs, described Vehicle frame 15 is provided with vehicle frame gib head, is connected with the gib head of work roll changing push-and-pull cylinder, is easy to push-and-pull car body to move;The slide plate 13rd, 14 it is fixed on the lower section of vehicle frame 15 and is slided with the roller track 25,27 that changes jobs and connect, slide plate 13,14 and track during the movement of car body 1 25th, 27 sliding friction, car body 1 plays a part of to remove, is sent into.The support section includes support beam 5, transition block 4,6 and positioning Pin 7, the support beam 5 is put into car body 1, and transition block 4,6 is arranged in support beam 5, is also machined with the setting transition block Positioning spiro pit, the support beam 5 peaceful put is machined with positioning hole in transition block 6.Transition block 6 is kept flat in use, alignment pin 7 Insert in the peaceful positioning hole put in transition block 6 of support beam 5;Transition block 4 is holded up in use, making the circle of the tail end of setting transition block 4 In the positioning hole of post part insertion support beam 5, interfix bolt 3, which is screwed in rise in the positioning spiro pit erect in transition block 4, to be determined Position effect.Transition block 6 is kept flat in use, entrance bottom working roll movable block 29 plays guide rail, support beam 5 when being translated thereon Effect with guide rail, load-bearing.
Change the process of movable block under working roll:
Support beam 5 is put into car body 1, for ease of measurement, according to changing jobs under roller track 25 and the entrance side that need to change The distance of the lower surface of movable block 29, selects the cushion block 8 of proper height, is placed on progress height adjustment between support beam 5 and car body 1, Guarantee keeps flat the upper surface of transition block 6 and is attached under entrance on the lower surface of movable block 29;Transition block 4 is erect to erect installed in support beam On 5.
When changing movable block under working roll, put two support beams 5 and corresponding erect that transition block 4 is peaceful to put transition block 6;Change Working roll push-and-pull cylinder stretches out, and the grade component of support beam 5 is sent into place with car body 1.The side of movable block 29 keeps flat transition under entrance Block 6, which is kept flat, to be installed and used, and is inserted in alignment pin 7, the positioning hole of the another side of the insertion support beam 5 of setting transition block 4 of non-replaceable side, together When interfix bolt 3 is screwed in thereon, and withstand under the outlet side of non-replaceable side on movable block 23, prevent what movement from need to change Car body 1 is shifted therewith during movable block 29 under entrance side, causes the slide plate 13,14 on car body 1 to depart from the roller track 25,27 that changes jobs. Solid welding suspension ring on movable block 29, install shackle under the outlet side that need to be changed, and to be pulled out with chain block, use chain block Movable block 29 under the working roll that need to change is pulled, is allowed to move in support beam 5 along keeping flat transition block 6.Unclamp and erect transition block 4 On interfix bolt 3, take out that alignment pin 7 is peaceful to put transition block 6, remove chain block.By changing jobs, roller push-and-pull cylinder is pulled out Movable block 29 is drawn out milling train therewith under car body 1, the working roll that need to be changed, and the working roll movable block changed is hung away by overhead traveling crane, then Hang new working roll movable block;Car body 1 is sent into by the roller push-and-pull cylinder that changes jobs again, movable block is admitted to therewith under new working roll Milling train;After in place, transition block 6 is kept flat end installation need to be changed, the end face bolt 2 in transition block 6 is rotated, withstands on milling train board On entrance side fixed block 17 on mill 16, alignment pin 7 is inserted into, prevents that movable block is let off in the peace of support beam 5 under new working roll Cross car body when translating on block 6 to shift therewith, the slide plate 13,14 on car body is departed from the roller track 25,27 that changes jobs, recycle very heavy The new working roll movable block of holder-on is headed into.After new working roll movable block is installed, take out that alignment pin 7 is peaceful to put transition block 6 in order, By changing jobs, roller push-and-pull cylinder pulls out car body 1, then hangs away mobile block changing device by overhead traveling crane.
Embodiment 2:
As shown in Fig. 1,2, Figure 12 to Figure 18:A kind of hot-rolling finishing mill working roll movable block changes specific purpose tool, including Car body 1, support section, cushion block 8 and bolt, the car body 1 include vehicle frame 15, slide plate 13,14 and the roller track 25 that changes jobs, 27, the vehicle frame 15 is provided with vehicle frame gib head, is connected with the gib head of work roll changing push-and-pull cylinder, is easy to push-and-pull car body to move; The slide plate 13,14, which is fixed on the lower section of vehicle frame 1 and slided with the roller track 25,27 that changes jobs, to connect, slide plate 13,14 when car body 1 is moved With track 25,27 sliding frictions, car body 1 plays a part of to remove, is sent into.The support section includes support frame 9 and nose girder 12, institute State support frame 9 to be placed in car body 1, for the replacing of top working roll movable block 18, when top working roll movable block 18 is translated, support Frame 9 plays guide rail, load-bearing and positioning.
Change the process of movable block on working roll:
Entrance, the baffle plate of outlet both sides vertical shift block respectively have two pieces, on entrance side is changed during movable block 18, first dismantle One piece of lower movable block baffle plate 30 is installed, another piece of baffle plate 19 of then dismantling is installed again to be moved under one piece after one block entrance side shield 19 Block baffle plate 30, prevents lower movable block from falling.The lower movable block baffle plate is formed by the transformation of the way of movable block baffle plate, that is, is removed fixation and moved up The part of motion block.
When support frame 9 is put into car body 1, according under movable block 18 on change jobs roller track 25 and the entrance side that need to change The distance between surface, the cushion block 8 of selection proper height is placed between support frame 9 and car body 1, makes the height of the upper surface of nose girder 12 It is consistent with the height of the lower surface of movable block 18 on the entrance side that need to change.The roller push-and-pull cylinder that changes jobs stretch out, make support frame 9 with Car body 1 is sent into place, the outlet side bolt 11 at rotation non-replaceable end, is withstood on the outlet side shield 22 of non-replaceable side;For Prevent that car body 1 is shifted therewith when movable block 18 is translated on the nose girder 12 of support frame 9 on the working roll that need to be changed, and makes car body 1 On slide plate 13,14 depart from and change jobs roller track 25,27, the solid welding suspension ring on movable block 18 on the entrance side that need to be changed are installed Upper shackle, to be pulled out with chain block, is allowed to move on car body 1 along nose girder 12.The outlet side unclamped on non-replaceable end is determined Position bolt 11, removes chain block, and by changing jobs, roller push-and-pull cylinder pulls out car body 1, and movable block 18 is therewith on the working roll that need to be changed Pull out milling train.Movable block 18 on the working roll changed are hung away by overhead traveling crane, then hang new working roll movable block;Again by the roller that changes jobs Push-and-pull cylinder sends into car body 1, and new working roll movable block is admitted to milling train therewith;After in place, the entrance side positioning at end is changed in rotation Bolt 10, withstands on entrance side fixed block 17, prevents car body 1 when new working roll movable block is translated on the nose girder 12 of support frame 9 Shift therewith, the slide plate 13,14 on car body is departed from the roller track 25,27 that changes jobs.Using jack new working roll movable block Head into, after new working roll movable block is installed, the entrance side bolt 10 for changing end is unclamped, by the roller push-and-pull cylinder that changes jobs car Body 1 is pulled out, then hangs away mobile block changing device by overhead traveling crane.
Presently preferred embodiments of the present invention is the foregoing is only, is not limitation of the present invention.The ordinary skill of this area The variations, modifications, additions or substitutions that personnel are made in the essential scope of the present invention, should also belong to the protection model of the present invention Enclose.

Claims (6)

1. a kind of hot-rolling finishing mill working roll movable block changes specific purpose tool, including car body, support section and cushion block, its feature It is:The car body includes vehicle frame, slide plate and the roller track that changes jobs, and the vehicle frame is provided with vehicle frame gib head, and the slide plate includes Entrance sideskid and outlet sideskid, the entrance sideskid is recessed slide plate, and the corresponding roller track that changes jobs is described for raised track Outlet sideskid is flat runner, and the corresponding roller track that changes jobs is plate rail road, and the slide plate is fixed on below vehicle frame, with changing jobs Roller track, which is slided, to connect, and the support section includes support beam, transition block and alignment pin, and the transition block includes erectting transition block Peaceful to put transition block, the support beam is put into car body, and the transition block is placed in support beam, is also set on the support section There is bolt, the cushion block is used for the height for adjusting support section.
2. hot-rolling finishing mill working roll movable block according to claim 1 changes specific purpose tool, it is characterised in that:It is described Erect transition block and be provided with positioning spiro pit, the peaceful transition block of putting of the support beam is provided with positioning hole.
3. hot-rolling finishing mill working roll movable block according to claim 1 changes specific purpose tool, it is characterised in that:It is described Bolt includes end bolt and interfix bolt.
4. a kind of hot-rolling finishing mill working roll movable block changes specific purpose tool, including car body, support section and cushion block, its feature It is:The car body includes vehicle frame, slide plate and the roller track that changes jobs, and the vehicle frame is provided with vehicle frame gib head, and the slide plate includes Entrance sideskid and outlet sideskid, the entrance sideskid is recessed slide plate, and the corresponding roller track that changes jobs is described for raised track Outlet sideskid is flat runner, and the corresponding roller track that changes jobs is plate rail road, and the slide plate is fixed on below vehicle frame, with changing jobs Roller track, which is slided, to connect, and the support section includes being additionally provided with bolt on support frame and nose girder, the support section, described Cushion block is used for the height for adjusting support section.
5. hot-rolling finishing mill working roll movable block according to claim 4 changes specific purpose tool, it is characterised in that:It is described Bolt includes entrance side bolt and outlet side bolt.
6. a kind of hot-rolling finishing mill working roll movable block as described in any one of claim 1 to 5 changes making for specific purpose tool With method, it is characterised in that:Comprise the following steps:
(1)Hot-rolling finishing mill working roll movable block is changed into specific purpose tool and is placed in the changing jobs on roller track of car body, by work Make roller roll change push-and-pull cylinder to shift at the working roll movable block for needing to change working roll movable block replacing specific purpose tool onto;
(2)Working roll movable block is moved on the replacing specific purpose tool using chain block, by work roll changing push-and-pull cylinder The working roll movable block that the replacing specific purpose tool and needs are changed is pulled out together;
(3)Old working roll movable block is hung away, new working roll movable block is hung on the replacing specific purpose tool, then by working Roller roll change push-and-pull cylinder is shifted the replacing specific purpose tool at former working roll movable block onto;
(4)Using jack new working roll movable block top in place;
(5)Install after the completion of fixing, the replacing specific purpose tool is pulled out by work roll changing push-and-pull cylinder.
CN201510327537.3A 2015-06-15 2015-06-15 A kind of hot-rolling finishing mill working roll movable block changes specific purpose tool and its application method Expired - Fee Related CN104959385B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510327537.3A CN104959385B (en) 2015-06-15 2015-06-15 A kind of hot-rolling finishing mill working roll movable block changes specific purpose tool and its application method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510327537.3A CN104959385B (en) 2015-06-15 2015-06-15 A kind of hot-rolling finishing mill working roll movable block changes specific purpose tool and its application method

Publications (2)

Publication Number Publication Date
CN104959385A CN104959385A (en) 2015-10-07
CN104959385B true CN104959385B (en) 2017-10-31

Family

ID=54213565

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510327537.3A Expired - Fee Related CN104959385B (en) 2015-06-15 2015-06-15 A kind of hot-rolling finishing mill working roll movable block changes specific purpose tool and its application method

Country Status (1)

Country Link
CN (1) CN104959385B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105904399B (en) * 2016-05-03 2018-04-17 首钢京唐钢铁联合有限责任公司 A kind of method and device for improving finishing mill bending cylinder block and replacing speed

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001150009A (en) * 1999-11-30 2001-06-05 Mitsubishi Heavy Ind Ltd Equipment for roll unit replacement for roll mill
CN201313106Y (en) * 2008-11-21 2009-09-23 鞍山钢铁集团公司 Special small vehicle for troubleshooting of edger mill
CN202516851U (en) * 2012-03-11 2012-11-07 吉林建龙钢铁有限责任公司 Tool for replacing and transporting large components in rolling mill
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
CN204724585U (en) * 2015-06-15 2015-10-28 山东钢铁股份有限公司 A kind of hot-rolling finishing mill working roll movable block changes specific purpose tool

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001150009A (en) * 1999-11-30 2001-06-05 Mitsubishi Heavy Ind Ltd Equipment for roll unit replacement for roll mill
CN201313106Y (en) * 2008-11-21 2009-09-23 鞍山钢铁集团公司 Special small vehicle for troubleshooting of edger mill
CN202516851U (en) * 2012-03-11 2012-11-07 吉林建龙钢铁有限责任公司 Tool for replacing and transporting large components in rolling mill
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
CN204724585U (en) * 2015-06-15 2015-10-28 山东钢铁股份有限公司 A kind of hot-rolling finishing mill working roll movable block changes specific purpose tool

Also Published As

Publication number Publication date
CN104959385A (en) 2015-10-07

Similar Documents

Publication Publication Date Title
CN103341722B (en) The method that ladle turret is changed
CN101725095B (en) Railway construction machine guard rail hoisting device and rail replacing locomotive guard rail hoisting device
CN204724585U (en) A kind of hot-rolling finishing mill working roll movable block changes specific purpose tool
CN104959385B (en) A kind of hot-rolling finishing mill working roll movable block changes specific purpose tool and its application method
CN106111704A (en) A kind of wide and heavy plate mill roller block changing device
CN202803757U (en) Lining plate replacement device of blooming mill
CN106180211B (en) Work Roll of Strip Rolling Mill roll-shifting device
CN206538103U (en) Wheel fast replacing device
CN201823754U (en) Device for replacing bent roller block or balance block of rolling mill
CN101823128B (en) Quick changing device of cast shaping plate and application method thereof
CN202527476U (en) Rolling mill breast roll overhauling tool
CN202438549U (en) Auxiliary dismounting tooling for machine frame roll overhaul taper key of rough mill
CN110497184A (en) The replacement tooling and replacing options of planisher rolling line adjusting device
CN202786392U (en) Novel polisher roll changing device
CN110523779B (en) Device and method for replacing stand roller of reversible rolling mill
CN102950451A (en) Quick replacement method of counterbalance of four-high mill
CN207582322U (en) A kind of overpass anti-collision wall template construction vehicle
CN202411143U (en) Sleeve loading device
CN101633477B (en) Track lifting machine set arranged at overhauling channel of electrolytic aluminum factory
CN206622454U (en) A kind of Bowed roll block fast replacing device for rolling mill
CN101352731B (en) Lower back-up roll exchanging device of cluster roll
CN206550604U (en) Roll-bending cylinder attaching/detaching apparatus in blooming mill
CN102581592B (en) Girder displacement adjusting device for longitudinals installation machine
CN203830419U (en) Automatic roller replacement device
CN211594837U (en) Wheel dismounting tool for large crane running mechanism of overhead travelling crane

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171031

Termination date: 20190615