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 PDFInfo
- 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
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- Prior art keywords
- reductor
- roll
- rolling mill
- lifting platform
- changing device
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- 238000005096 rolling process Methods 0.000 title claims abstract description 74
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 10
- 238000010276 construction Methods 0.000 claims description 12
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 4
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000003860 storage Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 241000209202 Bromus secalinus Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229910001060 Gray iron Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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
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
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.
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 |
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| 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 |
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| Country | Link |
|---|---|
| CN (1) | CN106734222B (en) |
Cited By (3)
| 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 |
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| 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 |
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| 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 |
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| CN201030380Y (en) * | 2007-04-26 | 2008-03-05 | 梁士臣 | Special roller changing device for eight-roller sheet rolling mill |
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| 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)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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