CN106834643B - Roller hearth heat-treated furnace conveying roller installation accuracy control method - Google Patents
Roller hearth heat-treated furnace conveying roller installation accuracy control method Download PDFInfo
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- CN106834643B CN106834643B CN201611236001.1A CN201611236001A CN106834643B CN 106834643 B CN106834643 B CN 106834643B CN 201611236001 A CN201611236001 A CN 201611236001A CN 106834643 B CN106834643 B CN 106834643B
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Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0012—Rolls; Roll arrangements
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0056—Furnaces through which the charge is moved in a horizontal straight path
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
- F27B9/24—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor
- F27B9/2407—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor the conveyor being constituted by rollers (roller hearth furnace)
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Tunnel Furnaces (AREA)
Abstract
The invention discloses a kind of roller hearth heat-treated furnace conveying roller installation accuracy control methods, including roller-way assembling, lifting, benchmark roller-way accurate adjustment be whole, non-referenced roller-way accurate adjustment, the installation of roller-way driving device, the step of roller-way entirety adjustment, reference roller is rationally arranged in the method for the present invention, divides different installment work faces, and control accuracy index is installed as foundation using benchmark roller-way items, adjustment installation this working face working roll precision, installation effectiveness is improved, installation speed is accelerated, ensures installation quality；And it installs that order is clear, accurate positioning, avoids the problem of doing over again, delaying work.The method of the present invention accelerates installation progress, while taking and being superimposed progressive mode, it is ensured that installation error is not overproof rationally by auxiliary mounting tools such as 5m steel leveling rulers, it can be achieved that several roller-ways are one group of integrated regulation.
Description
Technical field
The present invention relates to heating furnace mechanical equipment installation fields, and in particular to a kind of proximate matter roller hearth heat-treated furnace conveying roller
Installation accuracy control method.
Background technology
Furnace rolls road is the critical movements part of roller hearth heat-treated furnace.Furnace rolls road subjects the proximate matter of heat treatment process
Weight, also determines the running orbit of proximate matter, and the vertically and horizontally sideslip of proximate matter thereby determines that.The installation accuracy in furnace rolls road is hot place
The basic assurance for managing stove kinematic accuracy, so the installation quality of rollgang is extremely important in heat-treatment furnace.Due to general proximate matter
Heat-treatment furnace has stove effective length long, the feature more than roller-way quantity, and conventional roller-way method is the mounting and adjusting by one end,
It is pushed ahead successively by root roller-way.It is excessive that it be easy to cause final cumulative errors during the installation process, several groups of end roller-way can not disappear
Except excessive error, it has to which rework aspect occurs.
Invention content
In order to solve the problems in the existing technology, the present invention provides a kind of roller hearth heat-treated furnace conveying roller installation essence
Control method is spent, solves the problems, such as that conveying roller installation error is big in the prior art, does over again.
To achieve the above object, the technical solution that the present invention takes is：
A kind of roller hearth heat-treated furnace conveying roller installation accuracy control method, includes the following steps：
(1) furnace roller assembling, lifting：It is in place to adjust furnace roller bearing according to installation reference line and bearing block for furnace roller apparent size
Seat carries out firm banking after centering is levelling；Then it is in place to carry out furnace roller；
(2) accurate adjustment of benchmark roller-way is whole：Determine that reference for installation roller-way is gone forward side by side according to furnace length and furnace rolls road reasonable quantity
Row position degree, levelness, Pass line adjustment；
(3) non-referenced roller-way accurate adjustment：Benchmark roller-way carries out the location and installation of other rollers, absolute altitude control size tune
It is whole；
(4) furnace roller driving device is installed, furnace roller entirety adjustment：After the adjustment confirmation of furnace roller precision is errorless, roller-way can be carried out
The adjustment of the in place and shaft coupling installation accuracy of driving motor；Water cooling furnace roller rotary joint is after roller-way transmission motor adjustment
It carries out.
The step (1) refers to since feed end, installs the sub- drive end bearing pedestal of furnace roller and fixed end bearing block first,
Absolute altitude, levelness are controlled using optical level and frame level；Foundation bolt is pre-tightened after bearing block for furnace roller levelling capturing.
Step (2) the benchmark roller-way chooses point at input and output material end and centre position three.
Step (2) the benchmark roller-way accurate adjustment is whole to be specially：Steel wire frame is welded in stove inner wall of end, is laid according to drawing
Heat-treatment furnace center line and driving side furnace roller diameter of axle auxiliary installation steel wire and first group of feed end roller-way longitudinal center line three peace
Fill control line；Theodolite is erected in heat-treatment furnace subcenter line extended line, after being directed at stove center line A-A, is rotated counterclockwise
90 ° can obtain control line B-B；A, a' are obtained using steel tape measurement control line and feed end roller-way center line distance, finely tunes feed end
Roller-way ensures a=a', can guarantee that the roller-way longitudinal center line and heat-treatment furnace central axis, furnace roller absolute altitude utilize water in this way
Quasi- instrument and Sopwith staff adjustment detection；Reference roller absolute altitude and position degree adjustment finishes, stove axis driving end vertical at the top of and horizontal position
Two pieces of dial gauges are installed, rotate clockwise 180 °, are somebody's turn to do by the way that the numerical value obtained in the reading weighted average of different location is detectable
Root furnace roller axially and radially shifting amount whether within the scope of design requirement.
The non-referenced roller-way accurate adjustment of step (3) is specially：Using reference roller as reference for installation, install successively two reference rollers it
Between furnace roller；Furnace roller spacing is measured using inside micrometer and positions its position, by calculating steel leveling ruler upper surface absolute altitude, obtains stove
One group of roller-way elevation difference can be accurately controlled in 0.2mm by frame level of the frame on leveling ruler, utilize 5m by roller installed height mark
Every group of steel leveling ruler only needs to measure a new furnace roller absolute altitude, remaining delay table measures top surface and steel on furnace roller using clearance gauge
The gap of leveling ruler is, it can be achieved that elevation difference controls within the scope of 0.2mm；During the installation process will different location take a sample test mounted roller with
Absolute altitude, position degree deviation between reference roller, deviation such as occur should disappear difference in time.
The beneficial effects of the invention are as follows：Reference roller is rationally arranged in the method for the present invention, divides different installment work faces, with base
Quasi- roller-way items installation control accuracy index is foundation, and adjustment installation this working face working roll precision improves installation effectiveness, adds
Fast installation speed ensures installation quality；And it installs that order is clear, accurate positioning, avoids the problem of doing over again, delaying work.
The method of the present invention is rationally by auxiliary mounting tools such as 5m steel leveling rulers, it can be achieved that several furnace rollers are one group and integrally adjust
It is whole, accelerate installation progress, while taking and being superimposed progressive mode, it is ensured that installation error is not overproof.
Description of the drawings
Roller-way selection and measuring instrument bit selecting schematic diagram on the basis of Fig. 1；
Roller-way accurate adjustment and furnace roller spacing detection scheme of installation on the basis of Fig. 2；
Fig. 3 is that installation tool pendulum position schematic diagram is installed and detected to single group furnace roller；
In figure：1- theodolites, 2- spirit levels, 3- horizon rules, 4- dial gauges, 5- inside micrometers, 6- reference rollers,
7- steel leveling rulers, 8- frame levels.
Specific implementation mode
The present invention will be described in detail with reference to the accompanying drawings and detailed description.
Furnace roller system used in roller hearth type heating furnace is substantially organized and is become：Furnace roller, roller-way transmission motor (band speed reducer), stove
The components such as roll bearing seat, shaft coupling, water cooling furnace roller rotary joint.According to installation reference line and bearing block for furnace roller apparent size, just
Position adjustment bearing block for furnace roller, firm banking is carried out after centering is levelling；Then it is in place to carry out furnace roller.According to furnace length and furnace rolls
Road reasonable quantity determines reference for installation roller-way.The general input and output material end and three groups of centre position roller-way chosen is reference for installation roller (ginseng
See attached drawing 1).Benchmark roller carries out the precision adjustment of other furnace rollers；After the adjustment confirmation of furnace roller precision is errorless, roller-way can be carried out
Transmit the adjustment of the in place and shaft coupling installation accuracy of motor (with speed reducer)；Water cooling furnace roller rotary joint in principle should be in roller-way
It is carried out after transmission motor (band speed reducer) adjustment.
The flow of installation of furnace roller：
Roller-way assembling, whole → non-referenced roller-way accurate adjustment of lifting → benchmark roller-way accurate adjustment → roller-way driving device installation roller-way are whole
Body adjustment.
(1) since feed end, furnace roller drive end bearing pedestal and fixed end bearing block, absolute altitude, levelness are installed first
It is controlled using optical level 2 and frame level 8；Foundation bolt is pre-tightened after bearing block levelling capturing.Furnace roller drive end bearing
The installation of pedestal and fixed end bearing block must strictly observe requirement and the specification of drawing.Furnace roller is installed just by auxiliary tool
Position, the position of coarse adjustment furnace roller and bearing block.
(2) it is the various installation accuracies for ensureing furnace roller, setting reference roller 6 (general selection input and output material end and centre position three
Locate point), as positioning datum, carries out longitudinally adjusted (relative to heat-treatment furnace center line), laterally adjusts (roller center line phase
To reference roller longitudinal center line), Pass line adjustment.The installation of furnace roller, accuracy detection must carry out various essences on the basis of reference roller
Degree adjustment.
(3) steel wire frame is welded in stove inner wall of end, heat-treatment furnace center line and driving side roller-way axis is laid according to drawing
Three installation control lines of diameter auxiliary installation steel wire and feed end roller-way longitudinal center line.Prolong in heat-treatment furnace subcenter line
Long coil holder founds theodolite 1, and after being directed at stove center line A-A, control line B-B can be obtained counterclockwise by being rotated by 90 °.Utilize coil of strip ruler measurement
B-B obtains a, a' with feed end roller-way center line distance, finely tunes feed end roller-way, ensures a=a', can guarantee that the roller-way is axial in this way
Center line and heat-treatment furnace central axis, roll shaft absolute altitude utilize spirit level and Sopwith staff adjustment detection (attached drawing 1 is shown in signal).Benchmark
Roller absolute altitude and position degree adjustment finish, and drive end vertical top and horizontal position to install two pieces of dial gauges 4 in furnace roller, rotate clockwise
180 °, by the numerical value obtained in the reading weighted average of different location can detect the root roll shaft axially and radially shifting amount whether
Within the scope of design requirement, the adjustment of reference roller 6 can guarantee accurate installation by this method.(attached drawing 2 is shown in signal)
(4) using reference roller as reference for installation, the furnace roller between two reference rollers is installed successively.Furnace roller spacing is divided using internal diameter thousand
Ruler 5, which measures, positions its position.By calculating 7 upper surface absolute altitude of steel leveling ruler, roller-way installed height mark is obtained, by frame on leveling ruler
One group of roller-way (4-5 roots) elevation difference can be accurately controlled in 0.2mm by frame level 8.It only needs to measure for 7 every groups using 5m steel leveling ruler
A piece roller-way absolute altitude, remaining delay table is using top surface and the gap of steel leveling ruler on clearance gauge measurement roller-way, it can be achieved that mark
Highness change can reduce within the scope of 0.2mm due to the error in reading that sighting distance increases and generates, and greatly improve roll shaft absolute altitude
Installation accuracy.It can ensure roller-way levelness deviation in design and specification allowable range (attached drawing 3 is shown in signal).It was installing
Absolute altitude between mounted roller and reference roller, position degree, levelness deviation are taken a sample test in different location in journey, deviation such as occur should be timely
Disappear difference, avoids accumulated error that from can not finally eliminating.Fast Installation and it can be ensured by the above method：Furnace roller verticality (stove
Roll axis is with respect to heat-treatment furnace center line), the furnace roller depth of parallelism (between two roller of arbitrary neighborhood), furnace roller absolute altitude (roller top horizontal plane with
Designed elevation face), the design size of roller levelness etc..
(5) installation of roller driving device
It should be noted that the fit dimension of shaft coupling when installation, faying face must not damage and sliding injury, the longitudinal bias of shaft coupling
Should be less than 0.40mm with axial deviation, the gap of shaft coupling between 8.5mm to 9.5mm, this index using dial gauge and
Clearance gauge reading control.
(6) whole furnace roller components install, repetition measurement finished product items Con trolling index, if any overproof individual fine tunings.
Through the above steps, it can be achieved that heat-treatment furnace furnace roller quickly, is accurately installed.
Above by reference to drawings and examples, the present invention is schematically described, description is not limiting.This field
Common construction technical staff can understand that in practical applications, certain may occur for the set-up mode of each component in the present invention
It is a little to change, and other staff may also make similar Design under its enlightenment.It should be pointed out that without departing from the present invention's
Design aim, all obvious changes and its similar Design, are all included in the scope of protection of the present invention.
Claims (2)
1. a kind of roller hearth heat-treated furnace conveying roller installation accuracy control method, which is characterized in that include the following steps：
(1) furnace roller assembling, lifting：According to installation reference line and bearing block for furnace roller apparent size, bearing block for furnace roller is adjusted in place, is looked for
Just levelling rear progress firm banking；Then it is in place to carry out furnace roller；Since feed end, furnace roller drive end bearing pedestal is installed first
With fixed end bearing block, absolute altitude, levelness are controlled using optical level and frame level；After bearing block for furnace roller levelling capturing
Pre-tighten foundation bolt；
(2) accurate adjustment of benchmark roller-way is whole：Determine that reference for installation roller-way is gone forward side by side line position according to furnace length and furnace rolls road reasonable quantity
Degree of setting, levelness, Pass line adjustment；The benchmark roller-way chooses point at input and output material end and centre position three；Benchmark roller-way accurate adjustment
It is whole to be specially：Steel wire frame is welded in stove inner wall of end, heat-treatment furnace center line and the driving side furnace roller diameter of axle are laid according to drawing
Auxiliary installation steel wire and first group of feed end roller-way longitudinal center line three install control line；In heat-treatment furnace subcenter line
Extended line erects theodolite, and after being directed at stove center line A-A, control line B-B can be obtained counterclockwise by being rotated by 90 °；Utilize coil of strip dipstick metering
It surveys control line and obtains a, a' with feed end roller-way center line distance, finely tune feed end roller-way, ensure a=a', can guarantee the stove in this way
Roller longitudinal center line and heat-treatment furnace central axis, furnace roller absolute altitude utilize spirit level and Sopwith staff adjustment detection；Reference roller absolute altitude
And position degree adjustment finishes, and drives end vertical top and horizontal position to install two pieces of dial gauges in stove axis, rotates clockwise 180 °, lead to
The numerical value that the reading weighted average in different location obtains is crossed to can detect the root furnace roller axially and radially whether shifting amount is designing
In claimed range；
(3) non-referenced roller-way accurate adjustment：Benchmark roller-way carries out the location and installation of other furnace rollers, absolute altitude control size adjusting；
(4) furnace roller driving device is installed, furnace roller entirety adjustment：After the adjustment confirmation of furnace roller precision is errorless, roller-way transmission can be carried out
The adjustment of the in place and shaft coupling installation accuracy of motor；Water cooling furnace roller rotary joint terminates laggard in roller-way transmission motor adjustment
Row.
2. roller hearth heat-treated furnace conveying roller installation accuracy control method according to claim 1, which is characterized in that the step
Suddenly (3) non-referenced roller-way accurate adjustment is specially：Using reference roller as reference for installation, the furnace roller between two reference rollers is installed successively；Furnace roller
Spacing is measured using inside micrometer and positions its position, by calculating steel leveling ruler upper surface absolute altitude, is obtained furnace roller installed height mark, is led to
0.2mm can be accurately controlled in by one group of roller-way elevation difference by crossing frame level of the frame on leveling ruler, only using every group of 5m steel leveling rulers
A new furnace roller absolute altitude need to be measured, remaining delay table measures the gap of top surface and steel leveling ruler on furnace roller using clearance gauge,
Elevation difference control can be achieved within the scope of 0.2mm；It to be taken a sample test between mounted roller and reference roller in different location during the installation process
Absolute altitude, position degree deviation situation, deviation such as occur should disappear difference in time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611236001.1A CN106834643B (en) | 2016-12-28 | 2016-12-28 | Roller hearth heat-treated furnace conveying roller installation accuracy control method |
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|---|---|---|---|
| CN201611236001.1A CN106834643B (en) | 2016-12-28 | 2016-12-28 | Roller hearth heat-treated furnace conveying roller installation accuracy control method |
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| CN106834643A CN106834643A (en) | 2017-06-13 |
| CN106834643B true CN106834643B (en) | 2018-07-17 |
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| CN110241302A (en) * | 2019-06-18 | 2019-09-17 | 中冶宝钢技术服务有限公司 | The roller system installation adjusting method of cold rolled continuous annealing unit |
| CN110560509A (en) * | 2019-10-10 | 2019-12-13 | 中冶天工集团天津有限公司 | Coiler mandrel adjusting method |
| CN110560510A (en) * | 2019-10-10 | 2019-12-13 | 中冶天工集团天津有限公司 | Edge overflow control method for coiling machine |
| CN110757145B (en) * | 2019-10-22 | 2021-05-14 | 中国二十冶集团有限公司 | Method for adjusting roller way positions in batches |
| CN111361966A (en) * | 2019-12-27 | 2020-07-03 | 合肥恒力装备有限公司 | Roller way type transmission deviation rectifying method |
| CN111690802B (en) * | 2020-06-17 | 2021-11-09 | 广西先进铝加工创新中心有限责任公司 | Method for installing and debugging furnace roller of roller-hearth heat treatment furnace |
| CN112048606B (en) * | 2020-09-01 | 2022-04-22 | 江苏省机械研究设计院有限责任公司 | Adjusting and mounting method of horizontal conveying roller and adjusting tool |
| CN116372566B (en) * | 2023-06-05 | 2023-08-15 | 宁德厦钨新能源材料有限公司 | Roller rod horizontal adjustment device and calibration method thereof |
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2016
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| JPH0559439A (en) * | 1991-08-27 | 1993-03-09 | Kawasaki Steel Corp | Method for controlling cooling of steel pipe in roller hearth type heat treatment furnace |
| CN102380766A (en) * | 2011-05-23 | 2012-03-21 | 中天建设集团浙江安装工程有限公司 | Installation method of roller way equipment |
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