CN106734222A - Under rolling mill in roll-in reductor more changing device and replacing options - Google Patents

Under rolling mill in roll-in reductor more changing device and replacing options Download PDF

Info

Publication number
CN106734222A
CN106734222A CN201611069972.1A CN201611069972A CN106734222A CN 106734222 A CN106734222 A CN 106734222A CN 201611069972 A CN201611069972 A CN 201611069972A CN 106734222 A CN106734222 A CN 106734222A
Authority
CN
China
Prior art keywords
reductor
roll
rolling mill
lifting platform
changing device
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
Application number
CN201611069972.1A
Other languages
Chinese (zh)
Other versions
CN106734222B (en
Inventor
梁福江
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.)
Laiwu Iron and Steel Group Co Ltd
Original Assignee
Laiwu Iron and Steel Group Co Ltd
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 Laiwu Iron and Steel Group Co Ltd filed Critical Laiwu Iron and Steel Group Co Ltd
Priority to CN201611069972.1A priority Critical patent/CN106734222B/en
Publication of CN106734222A publication Critical patent/CN106734222A/en
Application granted granted Critical
Publication of CN106734222B publication Critical patent/CN106734222B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B31/00Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/08Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)

Abstract

The present invention provides a kind of more changing device of reductor in roll-in under rolling mill, and it includes chassis, for providing support;Four wheel groups, are fixedly mounted on the bottom corner location of the chassis, and four wheel groups are placed on two tracks;Lifting platform, positioned at the surface of the chassis;Guiding mechanism, is arranged between the lifting platform and the chassis, for providing guiding;Support tube, is fixedly mounted on the top center position of the lifting platform, and is outwards extended by barrel and form four guide grooves, and four guide grooves match with reducer shell stud in roll-in under rolling mill;And jack, installed in the bottom of the guiding mechanism, for lifting the lifting platform, reductor in roll-in under realization replacing rolling mill.More changing device of the invention has that security is good, rational in infrastructure, easy to operate, stability strong, the advantages of can improve operating efficiency to greatest extent.The present invention also provides a kind of replacing options of reductor in roll-in under rolling mill simultaneously.

Description

Under rolling mill in roll-in reductor more changing device and replacing options
Technical field
Technical field is changed the invention belongs to steel rolling equipment, specifically, the present invention relates in roll-in under a kind of rolling mill The more changing device of reductor, and under the rolling mill in roll-in reductor replacing options.
Background technology
Rolling mill is steel rolling production-line key production equipment, by various sizes of rolling on the roll installed in rolling mill Pass and rolling mill adjustment mechanism intense adjustment in itself are realizing rolling out blank the material type or product of becoming a useful person that are pre-designed.
Rolling mill adjustment mechanism is divided into mechanism for axial adjusting and radial direction adjustment mechanism, and wherein radial direction adjustment mechanism is adjusted by pressure Whole mechanism and the upper adjustment mechanism composition of pressure, adjustment mechanism is installed on rolling mill memorial archway bottom in pressure, and the kind of drive is motor, liquid Pressure motor drives reductor to rotate by manpower, so as to realize that leading screw is vertically moved up or down, completes the online of rolling mill lower roll lifting Adjustment.The way of reductor is the iron oxide by having cleared up rolling mill memorial archway lower sump bottom in roll-in under replacing rolling mill now After skin, mud, scaffold is manually built, then complete to change by jack, chain block, rope etc., but due to live dark The factors such as humidity, narrow space, potential safety hazard be more and task difficulty is big, cause operating efficiency low, maintenance personal keep away and It is remote it, construction team frequently changes, and each construction team's exchonge step and construction period difference are larger, it is impossible to formed standardization, Normalized operation flow, causes maintenance risk, repair schedule and repair quality to accomplish to predict pre-control.
The content of the invention
It is an object of the invention to provide the more changing device and replacing options of reductor in roll-in under a kind of rolling mill, so that Solve to change the cumbersome technical problem of formality present in prior art less, changed present in prior art while be can solve the problem that The technical problem of inefficiency.
In order to solve the above problems, the present invention provides under a kind of rolling mill the more changing device of reductor and replacing side in roll-in Method, its technical scheme is as follows:
Under a kind of rolling mill in roll-in reductor more changing device, it includes chassis, for providing support;Four wheels Group, is fixedly mounted on the bottom corner location of the chassis, and four wheel groups are placed on two tracks;Lifting platform, position In the surface of the chassis;Four guide posts, are arranged between the lifting platform and the chassis, for providing guiding;Branch Support cylinder, is fixedly mounted on the top center position of the lifting platform, and is outwards extended by barrel and form four guide grooves, described in four Guide groove matches with reducer shell stud in roll-in under rolling mill;With four jack, installed in four guide posts Bottom, for lifting the lifting platform, reductor in roll-in under realization replacing rolling mill.
Under rolling mill described above in roll-in reductor more changing device, more preferably:The chassis includes chassis Body and four supporting legs.
Under rolling mill described above in roll-in reductor more changing device, more preferably:The guiding mechanism includes Four fairleads, are arranged on the corner location of the chassis body and extend vertically through the chassis body;With four guide posts, four The individual guide post is corresponded and is vertically placed to four inside of the fairlead and through the fairlead, the guide post Upper end is interference fit assembling with the lifting platform, and positioned at the corner of the lifting platform bottom.
Under rolling mill described above in roll-in reductor more changing device, more preferably:The length of the guide post More than the height of the chassis.
Under rolling mill described above in roll-in reductor more changing device, more preferably:The fairlead is embedded with Bushing, is provided with brill oilhole at the top of the fairlead, radially, circumferentially oil-way is driven in the bushing inwall, for reducing With the frictional resistance of the guide post for carrying out elevating movement.
Under rolling mill described above in roll-in reductor more changing device, more preferably:Also include two supporting plates, Two pieces of supporting plate pads are between the chassis and the lifting platform, so that the bottom of the guide post is above the ground level.
Under rolling mill described above in roll-in reductor more changing device, more preferably:Also include stop part, place Between the track and the wheel group, for locking the wheel group.
Under rolling mill described above in roll-in reductor more changing device, more preferably:Also include mild steel link chain, it is described Stop part is arranged on the chassis by the mild steel link chain.
Under rolling mill described above in roll-in reductor more changing device, more preferably:The wheel of the wheel group Tread is configured with rim construction, and the tread of the wheel group is steadily contacted with plane on the track, and the wheel rim falls two The track inner side.
The present invention also provides a kind of replacing options of reductor in roll-in under rolling mill, is carried out more using above-mentioned more changing device Reductor in roll-in is changed under rolling mill, its step is as follows:
Step one, the cleaning track, place the supporting plate between the chassis and the lifting platform;
Step 2, the more changing device is placed on the track and positioned;
Step 3, the rise lifting platform, old reductor in roll-in under dismounting rolling mill;
Step 4, the lifting platform is fallen, have bad luck and hang out old reductor, and new reductor is hung in shown lifting platform On;
Step 5, it is placed on the track and positions with more changing device described in new reductor;
Step 6, the rise lifting platform, install new reductor;
Step 7, the lifting platform is fallen, have bad luck and hang out the more changing device.
Compared with prior art, it is of the invention to be a little with beneficial effect:Slow down in roll-in under rolling mill of the invention The more changing device of machine has that security is good, rational in infrastructure, easy to operate, stability strong, can to greatest extent improve operating efficiency The advantages of.
The replacing options of reductor complete the rolling mill lower roll of differential roller system size in roll-in under rolling mill of the invention Replacing basic framework in pressure during replacing speed reducer is identical, in the lower roll-in for changing differential roller system's size and different structure form During reductor, directly use for reference, apply mechanically replacing basic framework, can to greatest extent improve personnel on the basis of construction safety is ensured Overhaul efficiency, it is to avoid step is omitted or the reverse construction safety hidden danger for causing, construction delay, engineering is done over again and personnel slow down and ask Topic.
Brief description of the drawings
Fig. 1 is the front view of the more changing device of reductor in roll-in under the rolling mill of the preferred embodiment of the present invention.
Fig. 2 is the left view of the more changing device of reductor in roll-in under the rolling mill of the preferred embodiment of the present invention.
Fig. 3 is the top view of the more changing device of reductor in roll-in under the rolling mill of the preferred embodiment of the present invention.
In figure:1- boot last stop parts;2- mild steel link chains;3- storage boxes;4- guide posts;5- lifting platforms;6- fairleads;7- platforms Car;8- outer-hexagonal high-strength bolts;9- wheel groups;10- tracks;11- support tubes;12- guide grooves.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
As shown in Figure 1, Figure 2 and Figure 3, under the rolling mill of the preferred embodiment of the present invention in roll-in reductor more changing device master To include two tracks 10, on the cement flooring under rolling mill lower roll hole;Chassis 7, for providing support;Four wheels Group 9, is fixedly mounted on the bottom corner location of chassis 7, and four wheel groups 9 are placed on two tracks 10;Lifting platform 5, is located at The surface of chassis 7;Guiding mechanism, is arranged between lifting platform 5 and chassis 7, for providing guiding;Support tube 11, fixed peace Mounted in the top center position of lifting platform 5, and outwards extended by barrel and form four guide grooves 12, under four guide grooves 12 and rolling mill Reducer shell stud matches in roll-in;With four jack, installed in the bottom of guiding mechanism, for lifting lifting platform 5, Reductor in roll-in under realization replacing rolling mill.
Sum it up, the more changing device of reductor is with chassis 7 and lifting platform 5 in roll-in under the rolling mill of present invention offer Basis, realizes the lifting of lifting platform 5 by jack, and then realizes changing the purpose of reductor in roll-in under rolling mill;So that The more changing device that the present invention is provided has that security is good, rational in infrastructure, easy to operate, stability strong, can improve to greatest extent The advantages of operating efficiency.It is three that the more changing device of reductor is particularly suited for rolling mill in roll-in under the rolling mill that the present invention is provided More than roller and three rollers or roller system size is not less thanScope rolling mill.
In the present invention, for the ease of the movement of more changing device, while for save space, as shown in Figure 1, Figure 2 with Fig. 3 institutes Show, chassis of the invention 7 includes chassis body and four supporting legs.Chassis 7 so of the invention can subtract relative to entity chassis Few weight is simultaneously easy to operation.
In the present invention, in order that guiding mechanism has good guide function, as shown in figure 1, Guiding machine of the invention Structure includes four fairleads 6, is arranged on the corner location of chassis body and extends vertically through chassis body;With four guide posts 4, four Individual guide post 4 is corresponded and is vertically placed to four inside of fairlead 6 through fairlead 6, the upper end of guide post 4 and lifting platform 5 assemble for interference fit, and positioned at the corner of the bottom of lifting platform 5, the bottom of guide post 4 can pass through the table top of chassis 7 to arrive Up to the bottom of chassis 7.Equally, jack is also four, is separately mounted to four bottoms of guide post 4.In the present invention, by leading The height of lifting is determined to the length of bar 4;As shown in figure 1, height of the length of guide post 4 more than chassis 7.In order to reduce lifting The weight of platform 5, lifting platform of the invention 5 is frame structure, annulus is provided with the middle part of frame structure and forms support tube 11;Four are led To the lower end part of bar 4 in the corner of the base of frame of lifting platform 5.It is furnished with alignment pin, guide post 4 between guide post 4 and lifting platform 5 Using forging 45# steel carburizing and quenching treatment (HRC45-50), support tube 11 is welded on the top of lifting platform 5 center, and from round tube wall Four guide grooves 12 are uniformly distributed to external lifting platform table top, circular design Main Basiss reducer shell appearance structure can basis Actual conditions are designed as square, oval etc. variously-shaped, it is therefore an objective to realize to the efficient of reductor, precise locating function and keep away Exempt from the effect rocked, the design of guide groove 12 is also foundation reducer shell appearance structure, also can be outside the mesa supports of lifting platform 5 cylinder 11 Along carrying out other forms distribution, it is therefore an objective to matched beneficial to reducer shell stud, reductor is prevented in deflection, crank It is shifted over.Preferably, fairlead 6 is embedded with low hard wear-resisting aluminium bronze ZCuAl10Fe3 material bushings, on the top of fairlead 6 Portion is provided with brill oilhole, and radially, circumferentially dry oil lubrication oil groove is driven in bushing inwall, so as to reduce fairlead 6 and carry out elevating movement Guide post 4 frictional resistance.
In order to make the long enough of guide post 4 to meet guide support needs, in this regard, present invention additionally comprises two supporting plates (not shown), two pieces of supporting plate pads are between chassis 7 and lifting platform 5, so that the bottom of guide post 4 is above the ground level;Thus may be used The need for use reductor in roll-in under guide post 4 more long, and then satisfaction replacing rolling mill.
For the ease of the installation of wheel group 9, as shown in Fig. 2 present invention additionally comprises bolt, for wheel group 9 to be arranged on On chassis 7.Preferably, bolt is outer-hexagonal high-strength bolt 8.Preferably, the wheel of wheel group 9 of the invention is gray cast iron material It is made.
Will more changing device is placed on track 10 when, in order to prevent more changing device move or slide, as shown in figure 1, this Invention also includes stop part, is placed between track 10 and wheel group 9, for locking wheel group 9.For the ease of the peace of stop part Dress, as shown in figure 1, stop part of the invention is boot last stop part 1, can be achieved with locking wheel group 9, in this hair by boot last face In bright, stop part is two, and two wheel groups 9 being parallel to each other are locked respectively.For the ease of the connection of stop part and chassis 7, As shown in figure 1, present invention additionally comprises mild steel link chain 2, stop part is arranged on chassis 7 by mild steel link chain 2.In order to stop part does not make Used time is easy to place, as shown in figure 1, present invention additionally comprises two storage boxes 3, storage box 3 is arranged on the car being locked with needs On the corresponding side of wheel group 9, for placing stop part and other replacing objects.
In the present invention, for the ease of the placement and locking of wheel group 9, as shown in Fig. 2 the car of wheel group 9 of the invention Wheel tread is configured with rim construction, i.e., wheel of the invention is the car wheel structure with wheel rim.So that four wheels of the invention The tread of group 9 is steadily contacted with plane on track 10, and wheel rim falls the inner side of two track 10, so may insure the steady of wheel group 9 It is qualitative.
As shown in Figure 1, Figure 2 and Figure 3, the course of work of the invention is described in detail below:
After the debris such as iron scale, the mud cleared up on track 10, lifting platform 5 is hung by crane gear, steel wire rope Rise, two pieces supporting plate is placed in the gap of lifting platform 5 and chassis 7, supporting plate height is led when being fallen in supporting plate with lifting platform 5 It is minimum altitude not contacted with ground to the bottom of bar 4.By crane gear, steel wire rope by more changing device Integral lifting of the invention Onto the lower ground rail 10 in lower roll hole, it is ensured that four treads of wheel group 9 are steadily contacted with plane on track 10, and wheel rim falls two The inner side of track 10.And make more changing device of the invention immediately below reductor in roll-in under rolling mill, line is fallen cotton rope one end Reducer shell center is put into, line falls one end and completes positioning at the center of support tube 11.Two boot last stop parts 1 are put into track On 10, and abutted with two wheel groups 9, it is ensured that more changing device of the invention is locked.Using the very heavy of four same size models Top supports to four bottommosts of guide post 4 respectively, is directed to bar 4 and prolongs the jack-up of fairlead 6, so that lifting platform 5 rises vertically, On the premise of deceleration machine bolt space in roll-in under reserving dismounting rolling mill, support tube 11 and rolling mill lower roll are ensured as far as possible Reductor is close in pressure, and guide groove 12 is matched with reducer shell stud.Support tube 11 is still when being raised to highest if there is jack It is distant with reductor in roll-in under rolling mill, then need successively to four jack base addition cushion blocks.Dismantle old deceleration After the connecting bolt of machine is put into storage box 3, old reductor is fallen on support tube 11, steadily fall lifting platform 5, then send out this Bright more changing device shifts the initial position fallen on the lower ground rail 10 in hole onto, then area will be specified in old reductor handling to ground Domain.And on the support tube 11 of new reductor handling to lifting platform 5, will confirm that new reductor stud is fallen into guide groove 12, in repetition After stating device positioning, the locked and raising of lifting platform 5, continue to operate jack that new reductor is installed into old reductor dismounting anteposition Put, and fixed by fastening bolt.Then more changing device of the invention is shifted onto the position fallen just now on the lower ground rail 10 in hole Put, and will more changing device Integral lifting to the replacing on ground, that is, completing reductor in roll-in under rolling mill.
Corresponding, the present invention also provides a kind of replacing options of reductor in roll-in under rolling mill, and its step is as follows:
Step one, cleaning track 10, supporting plate is placed between chassis 7 and lifting platform 5;
Step 2, more changing device of the invention is placed on track 10 and positioned;
Step 3, rise lifting platform 5, old reductor in roll-in under dismounting rolling mill;
Step 4, lifting platform 5 is fallen, open boot last stop part 1, had bad luck and hang out old reductor, and new reductor is hung On lifting platform 5;
Step 5, the more changing device with new reductor are placed on track 10 and position;
Step 6, rise lifting platform 5, install new reductor;
Step 7, lifting platform 5 is fallen, open boot last stop part 1, had bad luck and hang out more changing device.
Embodiment
With reference to shown in Fig. 1, Fig. 2 and Fig. 3, respectively change single stand and remain silent memorial archwayThree rolled steel machine lower rolls The more changing device and replacing options of reductor in pressure, are both needed to by seven exchonge steps when changing, and including early stage five Processing mode, is the preparation of construction early stage, can successively be summarised as scene confirmation, spare part verification, scheme system, Work tool standard Standby, energy source cut-out, is summarised as successively:
Personnel depaly:The people of workmen ground two, major responsibility commander drive a vehicle, be tied steel wire rope and safety supervision etc., cheats The lower people of operation six (including the people of project construction director one), the passage of major responsibility more changing device and reductor dismounting etc.;
Step one, cleaning track 10, supporting plate is placed between chassis 7 and lifting platform 5;
Step 2, more changing device of the invention is placed on track 10 and positioned;
Step 3, rise lifting platform 5, old reductor in roll-in under dismounting rolling mill;
Step 4, lifting platform 5 is fallen, open boot last stop part 1, had bad luck and hang out old reductor, and new reductor is hung On lifting platform 5;
Step 5, the more changing device with new reductor are placed on track 10 and position;
Step 6, rise lifting platform 5, install new reductor;
Step 7, lifting platform 5 is fallen, open boot last stop part 1, had bad luck and hang out more changing device.
Also include subsequent treatment mode, be the back work in construction later stage, can be summarised as being had bad luck for part and Work tool successively, Site clearing, the delisted, energy source of signing are recovered, the acceptance of work and Data storage, finally more changing the outfit by Fig. 1, Fig. 2 and Fig. 3 Put to be changed in replacing options and complete single stand under seven guidances of exchonge step of basic framework and remain silent memorial archwayThree Under rolled steel machine in roll-in reductor replacing.
Embodiment is described by the way of progressive in this specification, and what embodiment was stressed is replacing options and corresponds to more The utilization of changing device, carry out the identical similar portion of other embodiments mutually referring to.For device disclosed in embodiment, Because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is referring to method part illustration Can.
As known by the technical knowledge, the present invention can be by other essence without departing from its spirit or the embodiment party of essential feature Case is realized.Therefore, embodiment disclosed above, for each side, is all merely illustrative, and is not only.Institute Have within the scope of the present invention or be included in the invention in the change being equal in the scope of the present invention.

Claims (10)

1. under a kind of rolling mill in roll-in reductor more changing device, it is characterised in that including:
Chassis, for providing support;
Four wheel groups, are fixedly mounted on the bottom corner location of the chassis, and four wheel groups are placed on two tracks On;
Lifting platform, positioned at the surface of the chassis;
Guiding mechanism, is arranged between the lifting platform and the chassis, for providing guiding;
Support tube, is fixedly mounted on the top center position of the lifting platform, and is outwards extended by barrel and form four guide grooves, four The individual guide groove matches with reducer shell stud in roll-in under rolling mill;With
Jack, installed in the bottom of the guiding mechanism, for lifting the lifting platform, under realization replacing rolling mill in roll-in Reductor.
2. under rolling mill according to claim 1 in roll-in reductor more changing device, it is characterised in that the chassis bag Include:
Chassis body and four supporting legs.
3. under rolling mill according to claim 2 in roll-in reductor more changing device, it is characterised in that the Guiding machine Structure includes:
Four fairleads, are arranged on the corner location of the chassis body and extend vertically through the chassis body;With
Four guide posts, four guide posts correspond and are vertically placed to four inside of the fairlead and are led through described To set, the upper end of the guide post is interference fit assembling with the lifting platform, and positioned at the corner of the lifting platform bottom.
4. under rolling mill according to claim 3 in roll-in reductor more changing device, it is characterised in that:
Height of the length of the guide post more than the chassis.
5. under rolling mill according to claim 3 in roll-in reductor more changing device, it is characterised in that:
The fairlead is embedded with bushing, and brill oilhole is provided with the top of the fairlead, and radial direction, week are opened in the bushing inwall To oil-way, the frictional resistance of the guide post for reducing and carrying out elevating movement.
6. under rolling mill according to claim 1 in roll-in reductor more changing device, it is characterised in that also include:
Two supporting plates, two pieces of supporting plate pads are between the chassis and the lifting platform, so that the bottom of the guide post is high In ground.
7. under rolling mill according to claim 1 in roll-in reductor more changing device, it is characterised in that also include:
Stop part, is placed between the track and the wheel group, for locking the wheel group.
8. under rolling mill according to claim 7 in roll-in reductor more changing device, it is characterised in that also include:
Mild steel link chain, the stop part is arranged on the chassis by the mild steel link chain.
9. under rolling mill according to claim 1 in roll-in reductor more changing device, it is characterised in that:
The wheel tread of the wheel group is configured with rim construction, and tread and the plane on the track of the wheel group steadily connect Touch, the wheel rim falls two track inner sides.
10. under a kind of rolling mill in roll-in reductor replacing options, using described in any one in claim 1 to 9 more Changing device carries out under replacing rolling mill reductor in roll-in, and its step is as follows:
Step one, the cleaning track, place the supporting plate between the chassis and the lifting platform;
Step 2, the more changing device is placed on the track and positioned;
Step 3, the rise lifting platform, old reductor in roll-in under dismounting rolling mill;
Step 4, the lifting platform is fallen, have bad luck and hang out old reductor, and new reductor is hung on shown lifting platform;
Step 5, it is placed on the track and positions with more changing device described in new reductor;
Step 6, the rise lifting platform, install new reductor;
Step 7, the lifting platform is fallen, have bad luck and hang out the more changing device.
CN201611069972.1A 2016-11-28 2016-11-28 Replacing device and replacing method for rolling mill lower roll upper speed reducer Expired - Fee Related CN106734222B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611069972.1A CN106734222B (en) 2016-11-28 2016-11-28 Replacing device and replacing method for rolling mill lower roll upper speed reducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611069972.1A CN106734222B (en) 2016-11-28 2016-11-28 Replacing device and replacing method for rolling mill lower roll upper speed reducer

Publications (2)

Publication Number Publication Date
CN106734222A true CN106734222A (en) 2017-05-31
CN106734222B CN106734222B (en) 2019-12-17

Family

ID=58905120

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611069972.1A Expired - Fee Related CN106734222B (en) 2016-11-28 2016-11-28 Replacing device and replacing method for rolling mill lower roll upper speed reducer

Country Status (1)

Country Link
CN (1) CN106734222B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107159715A (en) * 2017-06-13 2017-09-15 中国十九冶集团有限公司 Method for replacing rolling mill moving seat
CN110497184A (en) * 2018-05-17 2019-11-26 中冶宝钢技术服务有限公司 The replacement tooling and replacing options of planisher rolling line adjusting device
CN111196253A (en) * 2020-02-28 2020-05-26 神华天津煤炭码头有限责任公司 Maintenance method of mechanical walking device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2830355Y (en) * 2005-10-28 2006-10-25 湖南华菱涟钢薄板有限公司 Discharge bogie for roller bearing seat
CN2928282Y (en) * 2006-07-25 2007-08-01 周小芳 Roller changer for cold rolling mill
CN201030380Y (en) * 2007-04-26 2008-03-05 梁士臣 Special roller changing device for eight-roller sheet rolling mill
KR100861960B1 (en) * 2007-05-14 2008-10-09 주식회사 성진이앤아이 Exchanging system of stack liner of backup roll for finishing mill work
CN102029291A (en) * 2010-11-16 2011-04-27 中冶京诚工程技术有限公司 Quick replacing device for bending roll block of rolling mill
CN102921737A (en) * 2012-11-26 2013-02-13 青岛润丰铝箔有限公司 Disassembly and assembly equipment for bearing box of working roll of aluminum foil mill
CN206483814U (en) * 2016-11-28 2017-09-12 莱芜钢铁集团有限公司 Under rolling mill in roll-in reductor more changing device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2830355Y (en) * 2005-10-28 2006-10-25 湖南华菱涟钢薄板有限公司 Discharge bogie for roller bearing seat
CN2928282Y (en) * 2006-07-25 2007-08-01 周小芳 Roller changer for cold rolling mill
CN201030380Y (en) * 2007-04-26 2008-03-05 梁士臣 Special roller changing device for eight-roller sheet rolling mill
KR100861960B1 (en) * 2007-05-14 2008-10-09 주식회사 성진이앤아이 Exchanging system of stack liner of backup roll for finishing mill work
CN102029291A (en) * 2010-11-16 2011-04-27 中冶京诚工程技术有限公司 Quick replacing device for bending roll block of rolling mill
CN102921737A (en) * 2012-11-26 2013-02-13 青岛润丰铝箔有限公司 Disassembly and assembly equipment for bearing box of working roll of aluminum foil mill
CN206483814U (en) * 2016-11-28 2017-09-12 莱芜钢铁集团有限公司 Under rolling mill in roll-in reductor more changing device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107159715A (en) * 2017-06-13 2017-09-15 中国十九冶集团有限公司 Method for replacing rolling mill moving seat
CN110497184A (en) * 2018-05-17 2019-11-26 中冶宝钢技术服务有限公司 The replacement tooling and replacing options of planisher rolling line adjusting device
CN111196253A (en) * 2020-02-28 2020-05-26 神华天津煤炭码头有限责任公司 Maintenance method of mechanical walking device

Also Published As

Publication number Publication date
CN106734222B (en) 2019-12-17

Similar Documents

Publication Publication Date Title
CN204525396U (en) Multi-functional high-strength vehicle maintenance platform
US10730727B2 (en) Low profile drop table
CN106734222A (en) Under rolling mill in roll-in reductor more changing device and replacing options
CN110655015B (en) Trackless self-propelled platform car for subway tunnel maintenance
CN107010550A (en) A kind of counterweight can adjust cantilever type rotating crane
CN106564767A (en) Railway carriage coal flattening and rolling device
CN2769241Y (en) Non-base automatic weight full-automatic tower crane apparatus
CN206483814U (en) Under rolling mill in roll-in reductor more changing device
CN204747073U (en) Conveyor is changed to slab band rolling mill AGC pneumatic cylinder
US3583195A (en) Roll changing apparatus
CN205852717U (en) A kind of multifunctional combined apparatus for milling train maintenance
CN203684019U (en) Height and span adjustable track laying machine for subway construction
CN211034931U (en) Rail moving device for hoisting plate girder
CN208614675U (en) The dismounting device of operation roll of mill roller and traverse displacement unit
CN206581139U (en) Bridge maintenance running gear
CN206990209U (en) Can analog orbit superelevation of outer rail operating mode lifting rotation job platform it is test bed
CN102774624A (en) Overhaul and transport vehicle and method for water-feeding pump motor
CN206538103U (en) Quick-changing device for wheel
CN215592478U (en) Large-scale hydroelectric generating set stopper dismouting mechanism
CN206529691U (en) Bridge maintenance system steel construction inspection platform
CN202260191U (en) Mobile mounting rack for cabinet-type equipment
CN206219157U (en) A kind of high security aerial work platform chaise longue
CN103433289B (en) Milling train hold-down cylinder device changes system
CN110496862B (en) Wrinkle-resistant roller replacing device and method for temper mill
CN208103786U (en) A kind of architectural engineering heavy lift anti-drop device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for 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

Granted publication date: 20191217

CF01 Termination of patent right due to non-payment of annual fee