CN108787755A - A kind of on-bne repair method of seamless steel pipe cold-rolling mill feeding adjusting apparatus - Google Patents
A kind of on-bne repair method of seamless steel pipe cold-rolling mill feeding adjusting apparatus Download PDFInfo
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- CN108787755A CN108787755A CN201710280390.6A CN201710280390A CN108787755A CN 108787755 A CN108787755 A CN 108787755A CN 201710280390 A CN201710280390 A CN 201710280390A CN 108787755 A CN108787755 A CN 108787755A
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- steel pipe
- adjusting apparatus
- seamless steel
- rolling mill
- pipe cold
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B28/00—Maintaining rolls or rolling equipment in effective condition
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
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- Mechanical Engineering (AREA)
- Rolls And Other Rotary Bodies (AREA)
Abstract
The invention discloses a kind of on-bne repair method that seamless steel pipe cold-rolling mill feeds adjusting apparatus, is prepared by operation, the three parts process such as overhauls, debug online and form, realization feeds the on-bne repair operation of adjusting apparatus；On the basis of ensuring repair quality with job safety, the purpose that operating efficiency is provided, configuration work post is reduced, reduces failure Deal with Time is realized.The method of the present invention rational technology; station compact in design; operation is convenient; securely and reliably, practicality and high efficiency is effectively reduced maintenance resource consumption and equipment downtime Deal with Time; reduce the number of working processes consumption 2/3; meet the needs of seamless steel pipe cold rolling producing line orderly produces, have the function of it is certain disappear therefore drop this rushs safety, to the upkeep operations of similar devices with certain reference application value.
Description
Technical field
The present invention relates to the cold rolling production equipment detection technique fields of seamless steel pipe, more particularly to a kind of seamless steel pipe cold rolling
Machine feeds the on-bne repair method of adjusting apparatus.
Background technology
Seamless steel pipe is common metallurgical metal product, and cold rolling is the major way of seamless steel pipe cold deformation processing.Two rollers
Periodic seamless steel pipe cold-rolling mill is the most widely used seamless steel pipe production, passes through the change on roll device
The closed circular (numerous diameter difference has big to small continuous closed circular) that shape tool (pass) is formed, implements metal to pipe
Deformation processing.Due to the structure feature (the concentric continuous annulus of reducing) of seamless steel pipe, the movement of pipe is by horizontal direction
Displacement and rotary motion form, and the displacement of wherein horizontal direction is referred to as feed motion, it is therefore an objective to from large to small by pipe outer diameter
The finished size for meeting technology requirement is processed by cold deformation with internal diameter, rotary motion is referred to as corner action, it is therefore an objective to
The circularity and concentricity after billet production are kept, synchronizes progress into corner action is given, and according to different steel grades, specification, essence
Degree require etc. parameters can do a certain range of adjustment, usually all be rolling before according to technology require be arranged, therefore, into give turn
The work condition state of angle adjusting mechanism directly influences the running quality and Rolling Production quality of whole equipment.
Two roller cold pilgered pipe machines are by feeding swing mechanism, rolling mechanism, main drive gear, Shou Liao mechanisms, hydraulic press
The units such as structure, lubricating structure, intermediate connecting mechanism, plug swing mechanism, electric control system form；Wherein feed swing mechanism
By gear housing, feeding adjusting apparatus, leading screw floating device, mandrel chuck device, plug micromatic setting, fast driving device
The components compositions such as structure, induction detection device, angle output device, feeding output device, for by the power of motor output, turning
It changes into and is exported with corner (revolution) action to meet the feeding (feeding) of technology requirement.Parts are various in gear-box, structure is multiple
It is miscellaneous, installation accuracy is high, assembly parts it is complete use, substance is higher, lifting equipment is needed to lift, equipment fault is also easy to produce after use,
The major failure of always seamless steel pipe cold-rolling mill takes place frequently region, and maintenance repair load is heavier.
The feeding adjusting apparatus of two roller periodic seamless steel pipe cold-rolling mills mainly have swing rod, slide, rolling bearing, pressure roller,
The parts such as axis pin, fulcrum bearing, distance collar, motor, worm gear pairs form, and are the component parts that whole equipment is sent into swing mechanism
One of, it is to realize the unique component for carrying out constantly adjustment function to the pipe amount of feeding in rolling, by mounted on swing rod component
Synchronous rotary under the snug fit state of the pressure roller of bottom and the cam of transmission device, it is real by the shape of cam continuous gradation
The constantly adjustment of the existing amount of feeding.Therefore, pressure roller and its rolling bearing are the main vulnerable parts of the component.In routine use due to
The effects that mechanical wear and shock loading, the easy occurrence of equipment failure in the position, fault point are concentrated mainly on rolling bearing and pressure
On the parts such as roller, axis pin, once breakage occurs, the exception of feed motion will be directly resulted in, is needed at timely maintenance down
It sets.It is sent into rotary gear box body since feeding adjusting apparatus the whole series are mounted on, and positioned at the second layer and third layer of babinet, day
It often removes and installs relatively complicated, when being abnormal state or failure, needs the whole first floor (case opened and be sent into rotary gear box
Sheet weighs 2 tons), then a whole set of feed adjusting mechanism is being hung together together with the second layer (12 tons of weight) for being sent into rotary gear box
From region is disposed by machine after babinet.
The feeding adjusting apparatus of seamless steel pipe cold-rolling mill generally uses upkeep operation technique by offline machine at present, mainly by making
Industry preparation, field stripping, machine side is replaced, upper machine is installed, five big process composition of debugging is tied by taking LG-220H cold-rolling mills as an example
Fig. 1 is closed, using following steps：
1) operation prepares：Content containing field operation is informed, safe practice is told somebody what one's real intentions are implements with risk prevention measure, Work tool
(containing Current Collector Sleave, conventional service kit etc.) prepares, special operation workers qualification is taken appointment with certificate, related components are received simultaneously in library by machine
Burr, pre-assembled etc. are corrected in cleaning.
2) field stripping：It shuts down, positioning, power-off, be listed → prune job scene → setting warning line → dismounting gear-box
Positions coupling bolt → dismounting the gears such as electromagnetic clutch power line → dismounting gearbox lubrication pipeline → three filament thick stick of dismounting
Box cover, two layers connect with pedestal bolt → using bridge crane and special hanger dismounting hang case lid (place ground rest the head on
On wood) → removed with special hanger using bridge crane and integrally by the babinet second layer together with feeding adjusting apparatus handling together
Disembark (offline) → be placed on award material rack bearing on and held stationary state (waiting disposing by machine) etc..
3) it is overhauled by machine：Operating personnel, which enters, awards material rack lower section → dismounting pin roll end face pressing plate → dismounting axis pin → taking-up
Fail 22313 bearings → cleaning pendulum shaft of the pressure roller with distance collar → dismounting pendulum shaft bearing bore two side holes with baffle ring → dismounting failure
Bearing bore → orientation install 22313 bearings in bearing hole → mounting hole baffle ring fixing bearing axial position → hammering method orientation dress
With axis pin in bearing hole, → synchronous installation pressure roller is with distance collar on axis pin → installs end part of pin shaft pressing plate → fastening bolt simultaneously
It takes and fills lubricant grease etc. at locking measures (spring washer and iron sheet) → bearing roller.
4) machine is installed on：Wash-up tray contact level → amendment burr → smearing fluid sealant (installation sealing strip) → installation hoist cable
Tool → using bridge crane installs together with the babinet second layer that machine → placement is steady and case by feed adjusting mechanism is whole together
Coincide gap without exception → installation case lid and babinet contact surface of contact level coincide gap without exception → fastening babinet bolt everywhere
→ install and fasten coupling bolt → connection lubricating pipe → connection electromagnetic clutch power line → and review and validate babinet peace
It is attached to situation etc..
5) it debugs：Prune job scene → personnel are in safety zone → hot- line test operation → maximum and are advised with least limit
Style examination → verification qualification → shutdown, delisted, countersign etc..
Upkeep operation method by offline machine, belongs to traditional maintenance mode, can effectively implement to feed adjusting apparatus failure zero
The replacement operation of component, but there is certain deficiencies, i.e.,：1) work consuming is time-consuming：Whole open is sent into rotary gear box, removes case
It disembarks together with the second layer box body together handling after lid, work consuming is time-consuming, and only this item has needed heavy industry to use special hanger, dismounting each
Kind of 144 pieces of sized bolt, shaft coupling at three, lubricating pipe at two, electromagnetic clutch power line etc. at one, consumes the number of working processes 36
It is a, entire upkeep operation engineering is completed, needs to shut down three days, consumption the number of working processes 96 or more；2) downtime is long, open and
Installation gear box cover etc. needs operation 8 hours or more, and destroys the sealing of babinet contact surface, needs to dispose sealing again, increase object
Material consumption；3) aided process is more, since babinet and case lid weight are big, needs specially to be equipped with heavy industry and special hanger；4) babinet
It is interior complicated, need dismounting relational structure part more, such as lubricating pipe, electromagnetic clutch power line, dismounting is careless easily
Secondary damage is caused, operation resource consumption is increased；5) labor intensity is big, and it is narrow that gear housing removes and installs job position, has
Also there is operation in melt pit in top of the box, and needs to work continuously that physical demands is big, and there are some potential safety problemss；6) operation frequency
It is secondary higher, since the swing rod pressure roller to adjustment mechanism belongs to vulnerable part with bearing, axis pin, need to regularly replace every year, therefore examine
Repair load it is larger, configuration work post it is more.It can not accurately judge the corresponding cam engagement gap of pressure roller, clearance gauge is because of position relationship
It can not be inserted into, be typically only capable to judge that accuracy and precision be not high, and unstable by experience, and cause pressure roller and bearing, convex
Take turns one of the factor of damage；Gap width tension contact surface abrasion amount increases, and easily causes surfaces stick, gap width is excessively loose, in operation
Contact surface will produce the shock of continuous micro, influence the service life of rolling bearing.
Invention content
It is big for repair method by the offline machine of above-mentioned existing feeding adjusting apparatus to there is maintenance resource consumption in the present invention
Defect problem, provides a kind of on-bne repair method of seamless steel pipe cold-rolling mill feeding adjusting apparatus, and this method can meet fast pace
Cold rolling production need；On the basis of ensuring repair quality and safety work, realize that fast and efficiently repair and maintenance is made at scene
Industry meets the needs that enterprise orderly produces, and reduces maintenance resource consumption.
Required the technical issues of solving of the invention, can be achieved through the following technical solutions：
A kind of on-bne repair method of seamless steel pipe cold-rolling mill feeding adjusting apparatus, overhauled online by S1 operations preparation, S2,
S3 field adjustable three parts processes form, and three processes are carried out continuously successively,
S1, operation prepare：Content containing field operation is informed, safe practice is told somebody what one's real intentions are implements with risk prevention measure, Work tool
Prepare, special operation workers qualification is taken appointment with certificate, library is received related components and cleaned and corrects burr, pre-assembled by machine；
S2, it overhauls online：It shuts down, positioning, power off, preparation of be listed → marching into the arena → setting warning line → dismounting fast feed electricity
Motivation and its power cord → dismounting gear box side faceplate panels bolt → lateral panel of overall pulling down, which are disembarked, places steady → operation people
Member, which is entered in melt pit → implemented using special Work tool, overhauls operation → dismounting pin roll end face gland fastening bolt and locking measures
→ remove pin roll end face pressing plate → dismounting axis pin → taking-up failure pressure roller and distance collar → dismounting pendulum shaft bearing bore two side holes gear
Rolling bearing → cleaning pendulum shaft bearing bore → orientation installation new product rolling bearing is in bearing hole → of circle → dismounting failure is installed
Hole with baffle ring fixing bearing axial position → hammering method assembled orientation axis pin in bearing hole → synchronous installation new product pressure roller with it is fixed
Away from ring on axis pin → installation end part of pin shaft gland → fastening bolt → detection pressure roller be bonded with cam clearance → correction gap →
The lateral panel of lubricant grease → installation → lateral panel bolts → installation of sealing compensation measure → fastening is filled at bearing roller
Fast feed motor → connection motor power line；
S3, field adjustable：Prune job scene → personnel are in safety zone → hot- line test operation → maximum and minimum
Limit specifications debugging → verification qualification → shutdown, delisted, countersign.
Further, it includes Current Collector Sleave, conventional service kit preparation that the S1 operations, which prepare Work tool preparation,.
Further, preparation that the S2 was overhauled online march into the arena includes that prune job is live.
Further, the fastening bolt that the S2 is overhauled online takes locking measures.
Further, spring washer and iron sheet are installed in the fastening bolt that the S2 is overhauled online.
Further, the detection pressure roller that the S2 is overhauled online includes that clearance gauge is used under swing rod plumbness with cam clearance
Detection measures the gap width of roller surface and cam face, is judged according to numerical value, empirical equation d=d1-0.05mm, d in formula
Be fit-state standard calculations, d1 it is clearance gauge measured value.
Further, the correction fitting gap that the S2 is overhauled online gap is corrected using gasket compensation way.
Further, the amendment gap in correction fitting gap is 0.08-0.15mm.
Further, the amendment gap in correction fitting gap is 0.10mm.
Further, the installation fast feed motor that the S2 is overhauled online is mounted on school using fast feed motor
On the line of center.
Beneficial effects of the present invention：A kind of on-bne repair method of seamless steel pipe cold-rolling mill feeding adjusting apparatus, by operation
Prepare, the three parts process composition such as overhaul, debug online, realization feeds the on-bne repair operation of adjusting apparatus；It makes full use of and send
Into the features of the structure feature and the feeding lateral panel of adjusting apparatus component close neighbour of rotary gear box, by removing gear-box
The on-bne repair operation station that lateral panel provides, avoids integral disassembly, assembly gear casing working；Ensuring repair quality and operation peace
On the basis of complete, the purpose that operating efficiency is provided, configuration work post is reduced, reduces failure Deal with Time is realized；The present invention examines online
Operational method rational technology is repaiied, station compact in design, operation is convenient, and securely and reliably, practicality and high efficiency is effectively reduced maintenance money
Source is consumed meets the need that seamless steel pipe cold rolling producing line orderly produces with equipment downtime Deal with Time, reduction the number of working processes consumption 2/3
Ask, have the function of it is certain disappear therefore drop this rushs safety, to the upkeep operations of similar devices with certain reference application value.
Description of the drawings
The present invention will be further described with reference to the accompanying drawings and detailed description：
Fig. 1 is that flow chart flow chart is overhauled by offline machine；
Fig. 2 is on-bne repair method flow diagram of the present invention.
Specific implementation mode
In order to which the content and advantage that make technical solution of the present invention are of greater clarity, below in conjunction with the accompanying drawings to the present invention into one
Step description.
In conjunction with Fig. 2, a kind of on-bne repair method of seamless steel pipe cold-rolling mill feeding adjusting apparatus is prepared, S2 by S1 operations
It overhauls online, S3 field adjustable three parts processes composition, three processes are carried out continuously successively,
S1, operation prepare：Content containing field operation is informed, safe practice is told somebody what one's real intentions are implements with risk prevention measure, Work tool
Prepare, special operation workers qualification is taken appointment with certificate, library is received related components and cleaned and corrects burr, pre-assembled by machine；Work device
Tool prepares to include Current Collector Sleave, conventional service kit preparation.
S2, it overhauls online：It shuts down, positioning, power off, preparation of be listed → marching into the arena → setting warning line → dismounting fast feed electricity
Motivation and its power cord → dismounting gear box side faceplate panels bolt → lateral panel of overall pulling down, which are disembarked, places steady → operation people
Member, which is entered in melt pit → implemented using special Work tool, overhauls operation → dismounting pin roll end face gland fastening bolt and locking measures
→ remove pin roll end face pressing plate → dismounting axis pin → taking-up failure pressure roller and distance collar → dismounting pendulum shaft bearing bore two side holes gear
Rolling bearing → cleaning pendulum shaft bearing bore → orientation installation new product rolling bearing is in bearing hole → of circle → dismounting failure is installed
Hole with baffle ring fixing bearing axial position → hammering method assembled orientation axis pin in bearing hole → synchronous installation new product pressure roller with it is fixed
Away from ring on axis pin → installation end part of pin shaft gland → fastening bolt → detection pressure roller be bonded with cam clearance → correction gap →
The lateral panel of lubricant grease → installation → lateral panel bolts → installation of sealing compensation measure → fastening is filled at bearing roller
Fast feed motor → connection motor power line；Preparation of marching into the arena includes prune job scene；Fastening bolt takes locking arrange
It applies, spring washer and iron sheet is installed in fastening bolt；It includes being used under swing rod plumbness that pressure roller, which is detected, with cam clearance
Clearance gauge detection measures the gap width of roller surface and cam face, is judged according to numerical value, empirical equation d=d1-0.05mm, formula
It is clearance gauge measured value that middle d, which is fit-state standard calculations, d1,；Correction fitting gap is using between the amendment of gasket compensation way
Gap, correct gap is advisable in 0.08-0.15mm, and it is preferably 0.10mm to correct gap；Fast feed motor is installed using quick
Feed motor is mounted on correction center line.
S3, field adjustable：Prune job scene → personnel are in safety zone → hot- line test operation → maximum and minimum
Limit specifications debugging → verification qualification → shutdown, delisted, countersign.
Embodiment (one)：
By taking LG-220H cold-rolling mills as an example, feeding adjusting apparatus on-bne repair process is：
S1, operation prepare：Content containing field operation informs that (overhauling project operation order ticket), safe practice is told somebody what one's real intentions are and risk
The precautionary measures implement (live tripartite's confirmation form, repair ticket, power failure tag, maintenance board etc.), Work tool (containing Current Collector Sleave, conventional maintenance
Tool etc.) prepare, special operation workers qualification is taken appointment with certificate (electrician refers to and hangs work etc.), related components are received in library by machine
It (22313 rolling bearings, axis pin, pressure roller, distance collar) and cleans and corrects burr, pre-assembled etc..
S2, scene are overhauled：Shut down, positioning, power-off, preparations of be listed → marching into the arena (prune job live) → be arranged warning line →
Remove fast feed motor and its power cord → lateral panel of dismounting gear-box side (lateral) panel bolts → overall pulling down
Placement of disembarking is steady, and → operating personnel enters in melt pit → overhauls operation → dismounting pin roll end face pressure using the implementation of special Work tool
Bolt of cover setting and locking measures → dismounting pin roll end face pressing plate → dismounting axis pin → taking-up failure pressure roller and distance collar → dismounting
Rolling bearing → cleaning pendulum shaft bearing bore → orientation installation new product of pendulum shaft bearing bore two side holes baffle ring → dismounting failure rolls
Bearing in bearing hole → mounting hole with baffle ring fixing bearing axial position → hammering method assembled orientation axis pin in bearing hole →
Synchronous installation new product pressure roller and distance collar on axis pin → installation end part of pin shaft gland → fastening bolt and take locking measures (bullet
Spring washer and iron sheet) → detection pressure roller and cam clearance (under swing rod plumbness using clearance gauge detection measurement roller surface with it is convex
The gap width of wheel surface, judges according to numerical value, empirical equation d=d1-0.05mm, surveys d1=0.15mm, calculated value d=
0.15-0.05=0.10mm meets technology requirement of the gap width between 0.08-0.15mm) lubrication is filled at → bearing roller
The lateral panel of the grease → installation → lateral panel bolts of sealing compensation measure → fastening → installation fast feed motor is (in correction
Heart line) → connection motor power line etc..
S3, field adjustable：Prune job scene → personnel are in safety zone → hot- line test operation → maximum and minimum
Limit specifications debugging → verification qualification → shutdown, delisted, countersign etc..
Embodiment (two)：
By taking LG-150H cold-rolling mills as an example, feeding adjusting apparatus on-bne repair process is：
S1, operation prepare：Content containing field operation informs that (overhauling project operation order ticket), safe practice is told somebody what one's real intentions are and risk
The precautionary measures implement (live tripartite's confirmation form, repair ticket, power failure tag, maintenance board etc.), Work tool (containing Current Collector Sleave, conventional maintenance
Tool etc.) prepare, special operation workers qualification is taken appointment with certificate (electrician refers to and hangs work etc.), related components are received in library by machine
It (22312 rolling bearings, axis pin, pressure roller, distance collar) and cleans and corrects burr, pre-assembled etc..
S2, scene are overhauled：Shut down, positioning, power-off, preparations of be listed → marching into the arena (prune job live) → be arranged warning line →
Remove fast feed motor and its power cord → lateral panel of dismounting gear-box side (lateral) panel bolts → overall pulling down
Placement of disembarking is steady, and → operating personnel enters in melt pit → overhauls operation → dismounting pin roll end face pressure using the implementation of special Work tool
Bolt of cover setting and locking measures → dismounting pin roll end face pressing plate → dismounting axis pin → taking-up failure pressure roller and distance collar → dismounting
Rolling bearing → cleaning pendulum shaft bearing bore → orientation installation new product of pendulum shaft bearing bore two side holes baffle ring → dismounting failure rolls
Bearing in bearing hole → mounting hole with baffle ring fixing bearing axial position → hammering method assembled orientation axis pin in bearing hole →
Synchronous installation new product pressure roller and distance collar on axis pin → installation end part of pin shaft gland → fastening bolt and take locking measures (bullet
Spring washer and iron sheet) → detection pressure roller and cam clearance (under swing rod plumbness using clearance gauge detection measurement roller surface with it is convex
The gap width of wheel surface, judges according to numerical value, empirical equation d=d1-0.05mm, surveys d1=0.10mm, calculated value d=
0.10-0.05=0.05mm, do not meet gap width between 0.08-0.15mm technology requirement) → correction fitting gap (by
Gap compensation way increases the gasket of 0.05-0.10mm in swing rod positioning plane, gap width, Zhi Daofu is bonded to correction-compensation
Conjunction is advisable with 0.08-0.15mm) the lateral panel of filling lubricant grease → installation → sealing compensation measure at → bearing roller →
Fasten lateral panel bolts → installation fast feed motor (correction center line) → connection motor power line etc..
S3, field adjustable：Prune job scene → personnel are in safety zone → hot- line test operation → maximum and minimum
Limit specifications debugging → verification qualification → shutdown, delisted, countersign etc..
Provided in an embodiment of the present invention is a kind of on-bne repair method of seamless steel pipe cold-rolling mill feeding adjusting apparatus, fully
Using the features for the structure feature and the feeding lateral panel of adjusting apparatus component close neighbour for being sent into rotary gear box, pass through dismounting
The on-bne repair operation station that gear box side is provided to panel, avoids integral disassembly, assembly gear casing working, ensure repair quality with
On the basis of job safety, the purpose that operating efficiency is provided, configuration work post is reduced, reduces failure Deal with Time is realized.Online inspection
Operational method rational technology is repaiied, station compact in design, operation is convenient, and securely and reliably, practicality and high efficiency is effectively reduced maintenance money
Source is consumed meets the need that seamless steel pipe cold rolling producing line orderly produces with equipment downtime Deal with Time, reduction the number of working processes consumption 2/3
It asks.Especially it is to realize feed cam and swing rod pressure roller contact surface precision measure, corrects fitting gap width and create necessary item
Part, have the function of it is certain disappear therefore to drop this rushs safe, 500,000 yuan of maintenance of equipment expense etc. can be reduced every year, to similar devices
Upkeep operation has certain reference application value.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent defines.
Claims (10)
1. a kind of on-bne repair method of seamless steel pipe cold-rolling mill feeding adjusting apparatus, it is characterised in that：Prepared by S1 operations, S2
It overhauls online, S3 field adjustable three parts processes composition, three processes are carried out continuously successively,
S1, operation prepare：Content containing field operation is informed, safe practice is told somebody what one's real intentions are implements with risk prevention measure, Work tool prepares,
Special operation workers qualification is taken appointment with certificate, library is received related components and cleaned and corrects burr, pre-assembled by machine；
S2, it overhauls online：It shuts down, positioning, power off, preparation of be listed → marching into the arena → setting warning line → dismounting fast feed motor
And its power cord → dismounting gear box side faceplate panels bolt → lateral panel of overall pulling down disembark placement it is steady → operating personnel into
Enter in melt pit → overhauls operation → dismounting pin roll end face gland fastening bolt and locking measures → using the implementation of special Work tool and tear open
Except pin roll end face pressing plate → dismounting axis pin → taking-up failure pressure roller and distance collar → dismounting pendulum shaft bearing bore two side holes with baffle ring →
Remove failure rolling bearing → cleaning pendulum shaft bearing bore → orientation installation new product rolling bearing in bearing hole → mounting hole use
Baffle ring fixing bearing axial position → hammering method assembled orientation axis pin in bearing hole → synchronous installation new product pressure roller and distance collar
In on axis pin → installation end part of pin shaft gland → fastening bolt → detection pressure roller is bonded gap → bearing with cam clearance → correction
It is quick that the lateral panel of lubricant grease → installation → lateral panel bolts → installation of sealing compensation measure → fastening is filled at rolling element
Feed motor → connection motor power line；
S3, field adjustable：Prune job scene → personnel are in safety zone → hot- line test operation → maximum and least limit
Specification debugging → verification qualification → shutdown, delisted, countersign.
2. a kind of on-bne repair method of seamless steel pipe cold-rolling mill feeding adjusting apparatus described in accordance with the claim 1, feature
It is：It includes Current Collector Sleave, conventional service kit preparation that the S1 operations, which prepare Work tool preparation,.
3. a kind of on-bne repair method of seamless steel pipe cold-rolling mill feeding adjusting apparatus described in accordance with the claim 1, feature
It is：Preparation that the S2 was overhauled online march into the arena includes that prune job is live.
4. a kind of on-bne repair method of seamless steel pipe cold-rolling mill feeding adjusting apparatus described in accordance with the claim 1, feature
It is：The fastening bolt that the S2 is overhauled online takes locking measures.
5. a kind of on-bne repair method of seamless steel pipe cold-rolling mill feeding adjusting apparatus according to claim 4, feature
It is：Spring washer and iron sheet are installed in the fastening bolt that the S2 is overhauled online.
6. a kind of on-bne repair method of seamless steel pipe cold-rolling mill feeding adjusting apparatus described in accordance with the claim 1, feature
It is：The detection pressure roller that the S2 is overhauled online includes measuring pressure roller using clearance gauge detection under swing rod plumbness with cam clearance
The gap width on surface and cam face, judges according to numerical value, empirical equation d=d1-0.05mm, and d is fit-state mark in formula
Quasi- calculated value, d1 are clearance gauge measured values.
7. a kind of on-bne repair method of seamless steel pipe cold-rolling mill feeding adjusting apparatus described in accordance with the claim 1, feature
It is：The correction fitting gap that the S2 is overhauled online gap is corrected using gasket compensation way.
8. a kind of on-bne repair method of seamless steel pipe cold-rolling mill feeding adjusting apparatus according to claim 7, feature
It is：The amendment gap in correction fitting gap is 0.08-0.15mm.
9. a kind of on-bne repair method of seamless steel pipe cold-rolling mill feeding adjusting apparatus according to claim 8, feature
It is：The amendment gap in correction fitting gap is 0.10mm.
10. a kind of on-bne repair method of seamless steel pipe cold-rolling mill feeding adjusting apparatus described in accordance with the claim 1, feature
It is：The installation fast feed motor that the S2 is overhauled online is mounted on using fast feed motor on correction center line.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710280390.6A CN108787755B (en) | 2017-04-26 | 2017-04-26 | A kind of on-bne repair method of seamless steel pipe cold-rolling mill feeding adjustment device |
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| CN201710280390.6A CN108787755B (en) | 2017-04-26 | 2017-04-26 | A kind of on-bne repair method of seamless steel pipe cold-rolling mill feeding adjustment device |
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| CN108787755A true CN108787755A (en) | 2018-11-13 |
| CN108787755B CN108787755B (en) | 2019-08-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111940509A (en) * | 2019-05-17 | 2020-11-17 | 宝武特种冶金有限公司 | Method for calibrating feed rotation motion synchronism of seamless steel tube cold rolling mill |
| CN113770178A (en) * | 2020-06-10 | 2021-12-10 | 宝武特种冶金有限公司 | Control method for motion precision of cam corner device of seamless steel pipe cold rolling mill |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201021931A (en) * | 2008-12-01 | 2010-06-16 | China Steel Corp | Pipe fastening member |
| CN203737730U (en) * | 2014-01-24 | 2014-07-30 | 宝钢特钢有限公司 | Adjusting device used for supporting guiding device of vertical rolling mill |
| KR20150076016A (en) * | 2013-12-26 | 2015-07-06 | 현대제철 주식회사 | Exhaust device of transfer line for steels |
| CN204771430U (en) * | 2015-06-29 | 2015-11-18 | 宝钢特钢有限公司 | A online dismounting device for seamless steel pipe cold rolling mill worm wheel component |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TW201021931A (en) * | 2008-12-01 | 2010-06-16 | China Steel Corp | Pipe fastening member |
| KR20150076016A (en) * | 2013-12-26 | 2015-07-06 | 현대제철 주식회사 | Exhaust device of transfer line for steels |
| CN203737730U (en) * | 2014-01-24 | 2014-07-30 | 宝钢特钢有限公司 | Adjusting device used for supporting guiding device of vertical rolling mill |
| CN204771430U (en) * | 2015-06-29 | 2015-11-18 | 宝钢特钢有限公司 | A online dismounting device for seamless steel pipe cold rolling mill worm wheel component |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111940509A (en) * | 2019-05-17 | 2020-11-17 | 宝武特种冶金有限公司 | Method for calibrating feed rotation motion synchronism of seamless steel tube cold rolling mill |
| CN113770178A (en) * | 2020-06-10 | 2021-12-10 | 宝武特种冶金有限公司 | Control method for motion precision of cam corner device of seamless steel pipe cold rolling mill |
| CN113770178B (en) * | 2020-06-10 | 2023-08-11 | 宝武特种冶金有限公司 | Control method for motion precision of cam corner device of seamless steel tube cold rolling mill |
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| Publication number | Publication date |
|---|---|
| CN108787755B (en) | 2019-08-20 |
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Effective date of registration: 20200519 Address after: 200940 room 1277, building 216, 1269 Shuishui Road, Baoshan District, Shanghai Patentee after: Baowu Special Metallurgy Co., Ltd Address before: 200940 No. 1269, Fisheries Road, Shanghai, Baoshan District Patentee before: BAOSTEEL SPECIAL STEEL Co.,Ltd. |