CN102950464B - Non-orientation silicon steel tinuous production installation method - Google Patents
Non-orientation silicon steel tinuous production installation method Download PDFInfo
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- CN102950464B CN102950464B CN201110235397.9A CN201110235397A CN102950464B CN 102950464 B CN102950464 B CN 102950464B CN 201110235397 A CN201110235397 A CN 201110235397A CN 102950464 B CN102950464 B CN 102950464B
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Abstract
A kind of non-orientation silicon steel tinuous production installation method, it is characterized in that comprising the following steps: the fabrication and installation of a "door" type frame steel structure, the online single devices of b is installed, and c Horizontal Continuous Furnace equipment is installed and d process pipe is installed, and comprises pipe arrangement in the middle of industrial pipeline and unit and installs.Non-orientation silicon steel mechanical equipment installation method of the present invention has raising installation effectiveness, the reduction of erection time; Work progress simplifies, compact, greatly save artificial and construction cost and construction quality safe and reliable, the advantage of high financial profit.
Description
Technical field
The present invention relates to a kind of mechanical equipment installation, specifically, is a kind of non-orientation silicon steel tinuous production installation method.
Background technology
At present, because the consumption for electrical sheet on internal and international is growing, make domestic each big-and-middle-sized steel plant that non-orientation silicon steel production line is installed in a large number, to capture the market of electrical sheet fast, obtain direct economic benefit.Each steel mill is when upper this large-scale complete unit equipment line; for the consideration to economic dispatch factor; usually can the reduction of erection time; again due to owner's equipment supply not in time; construction site narrow etc.; cause traditional construction technology cannot meet duration needs, that cannot guarantee both quality and quantity completes the problems such as engineering.
Adopt the construction technology of traditional " under-in-on ", namely first that the equipment under steel platform on unit production line is in place in advance, then unit technique steel construction is installed, the furnace equipment on steel structure platform is finally installed
First traditional process sequence, battle line is long, long in time limit, follows the prescribed order, and increases construction cost; If secondly the equipment supply of owner not in time, to directly cause steel construction cannot integral installation, steel construction does not complete, the equipment caused on platform cannot be entered installation, thus have influence on pipeline, electric construction, just cause engineering to complete on schedule, not only make the whole construction period extend, also will increase construction cost; 3rd, on-the-spot construction site is narrow, and the body equipment of annealing furnace, resistance to material and online equipment are stacked, and the construction area classifying rationally etc. of each specialty, all has influence on construction period and cost.
Therefore known non-orientation silicon steel mechanical equipment installation method also exists above-mentioned all inconvenience and problem.
Summary of the invention
Object of the present invention, be to propose a kind of classifying rationally construction area, attach most importance to continuous annealing furnace, technique Steel Structure Installation is guarantee, various energy medium tunnel synchronization, actively and owner's communication and coordination, strict guarantee Construction quality and safety non-orientation silicon steel tinuous production installation method.
Another object of the present invention, is to propose the non-orientation silicon steel tinuous production installation method that a kind of, duration narrow and small for construction site be pressed for time.
For achieving the above object, technical solution of the present invention is:
A kind of non-orientation silicon steel tinuous production installation method, is characterized in that comprising the following steps:
The fabrication and installation of a, "door" type frame steel structure, comprise:
(1) "door" type frame manufacture
"door" type framework is welded to each other into door type steel beam column with a crossbeam by two steel columns on the assembly platform temporarily set up, described assembly platform with two root type steel and 30mm thick steel plate erection, mix up platform absolute altitude, detect with spirit level, make the levelness of platform control in 3mm; Before welding, available channel-section steel does temporary support, and after welding, can remove temporary support, another temporary support is removed after installing correction at the scene again.
(2) "door" type frame installation, comprising:
1) Pass line adjustment at the bottom of the post of steel column, arranges steel-column foundation backing plate, to reach the absolute altitude precision of steel column;
2) the capital Pass line adjustment of steel column, do absolute altitude actual measurement to capital, absolute altitude deviate≤5mm, only record does not adjust; Need adjust more than 5mm; Clog corresponding steel plate during negative absolute altitude, once adjustment is unsuitable excessive, is limited with 5mm;
3) rectify perpendicular of steel column, corrects in conjunction with theodolite with magnetic force plumb bob, makes the center line tolerance of steel column be ± 3mm;
B, online single devices are installed, and comprise following steps:
(1) length controls apart from the center of tinuous production
Bury center target underground by construction plan requirement, with high-amplification-factor, high precision Switzerland Lycra TC1102 total powerstation, cultellation control is carried out to mounting center line, and regularly repetition measurement is carried out to mounting center datum mark;
(2) step rate is installed
First carry out the installation of rack construction and track, track installation will reach the levelness of absolute altitude, vertical cross central line, gauge, track; After rack construction and track installation, lifting step rate body, makes it in place, finally installs the cover plate of step rate both sides, top;
(3) steel coil transporting trolley is installed, and comprising:
1) coil car track is installed, before orbit adjusting, according to horizontal and vertical center line cultellation on basis that coil of strip runs, and the actual height of track installation is made according to the center of uncoiler, draw a benchmark track, car wheel has the track of flange side to be benchmark track, is adjusted and reach the center of its two tracks, absolute altitude and relative altitude difference and gauge by benchmark track;
2) steel coil transporting trolley body is in place, makes each hydraulic cylinder of dolly, cylinder all in a state of nature according to drawing, after each installation dimension of adjustment dolly, again hydraulic cylinder is installed, after checking its levelness, perpendicularity, hydraulic cylinder base and little automobile-used bearing pin are connected, and fixed hydraulic cylinder bottom seat;
3) installation accuracy of steel coil transporting trolley track is as table 1
The installation accuracy of table 1 steel coil transporting trolley track
| Project | Tolerance | Detection method |
| Long rails center line | ±1.5mm | Steel wire, plumb bob, steel ruler |
| Cross track center line | ±1.5mm | Steel wire, plumb bob, steel ruler |
| Track level measuring | ±0.5mm | Indium steel ruler, spirit level |
| Rail levelness | 0.2/1000 | Level meter |
| Track gauge | ±1.0mm | Steel ruler checks |
(4) cutter is installed
After cutter seat slurry plastic sheet reaches intensity, with driving cutter hung and put in place, in time that fastening foundation bolt is good; Cutter mounting and adjusting, levelness and center line are as the criterion with cutting edge, and perpendicularity can be measured on the inner slide of cutter, and its installation accuracy is as table 2
The installation accuracy of table 2 cutter
| Project | Precision |
| Longitudinal centre line | ±0.5mm |
| Cross central line | ±1.0mm |
| The depth of parallelism | 0.01mm/m |
| Levelness | 0.05mm/m |
| Absolute altitude | ±0.5mm |
(5) uncoiler and coiling machine are installed, and comprising:
1) rail chair is installed
First backing plate is installed, with driving by base hoisted in position, base is carried out to the adjustment of absolute altitude, center line and levelness; The detection spirit level of absolute altitude, centre line aligning utilizes the center target of testing to draw steel wire and plumb bob to adjust;
2) reel main body is installed
In place with driving lifting reel main body, check mandrel surface levelness with the level meter of 0.02mm/m precision, reel cantilever end levelness is set higher than drive end; The perpendicularity of reel and unit centre line is checked with rocking arm, reel of uncoiler relative to the perpendicularity of unit centre line be reel cantilever end to deviating from side, discharging direction, the perpendicularity of the relative unit centre line of coiler mandrel is that reel cantilever end is to deviating from side, supplied materials direction, perpendicularity≤0.05mm/m; Uncoiler installation accuracy is as table 3
Table 3 uncoiler installation accuracy
3) drive motors is installed
First mounted motor base, after adjustment, then by whole motor hoisted in position, adjustment installation site, installed height mark and levelness, and carry out coupler centering;
(6) welding machine is installed
Welding machine driving hoisted in position, with precision level and Minitype jack to its level and Pass line adjustment, and the welding gun traveling of welding machine must overlap with shear line; With transverse slipway and clamping mobile device upper surface for datum mark, its installation accuracy is as table 4
The installation accuracy of table 4 welding machine
| Test item | Franchise | Detect position |
| Absolute altitude | ±0.5mm | Rail level |
| Longitudinal centre line | ±0.5mm | |
| Cross central line | ±0.5mm | |
| Levelness | 0.05/1000 | Rail level |
(7) installation of each jockey pulley, turning, clamping and conveying roller and deviation rectification roller
With driving lifting idler roller, slewing rollers and deviation rectification roller, below first hoisting platform, in order to avoid equipment cannot be in place after installing above; The levelness of roller and the perpendicularity of relative unit longitudinal centre line is controlled during adjustment;
(8) cleaning section equipment is installed
Mounting process cell body, medium storage groove tank and the circulatory system, waste gas cleaning system technology groove tank and roller, squeeze roll, drying equipment, idler roller; Technique cell body comprises alkali spray equipment, alkali brushing device, electrolytic clean unit, high pressure water cleaning device, water brushing device and hot shower arrangements, and unit centre line is thrown in Equipment Foundations before installing by technique cell body; The center in length and breadth of cell body hoisted in position post-equalization cell body, level, its installation accuracy is as table 5;
Table 5 cell body installation accuracy
| Project | Measuring point | Precision |
| Center line (longitudinal direction) | Roller or frame center | ±0.5mm |
| Center line (transverse direction) | Frame center marks | ±1.0mm |
| Perpendicularity | Roll end fork | 0.05mm/M |
| Absolute altitude | Roller roll surface | ±0.5mm |
| Levelness | Roller center upper surface | 0.05mm/M |
(9) entry loop and outlet looping are installed, and comprising:
1) center target and benchmark target are buried underground
Burying machine group switching centre target in kink, then according to the group number of orbital distance and loop door, buries unit sectional center dash board and benchmark target underground;
2) installation of looping car track
The center line that kink track installation runs using unit band steel is as benchmark, with the steel wire of 0.7mm on the coil holder that it sets, end hangs the weight of 20kg, draws the foundation of establishing a center line as track installation, wire fixed position will coincide with center target, and its installation accuracy is as table 6
Table 6 looping car track installation precision
| Measure the item | Measurement point | Aimed at precision | Measuring point method |
| Unit centre | Benchmark track side | ±0.5mm | Piano wire, plumb bob, steel ruler |
| Unit vertical centre | Track side surfaces | ±0.5mm | Piano wire, plumb bob, steel ruler |
| Track space | Track medial surface | ±0.5mm | Piano wire, plumb bob, micrometer |
| Levelness | Rail top face (corresponding position difference) | 0.05/1000 | Spirit level, indium steel ruler |
| Highly | Rail top face | ±0.5mm | Spirit level, indium steel ruler |
3) kink swing door and switching mechanism thereof are installed
Every layer of backing roll is set and becomes 2 with unit cross central line
0~ 3
0; Swing door installs the required precision meeting and open simultaneously or close simultaneously, comprises following aligning step:
1. loop door column corrects
In the middle of loop door column and loop door switching mechanism, Provisional Center target is set, and hang sectional center line, then measuring point centered by loop door spindle central respectively, with column bottom surface for absolute altitude measuring point, is that perpendicularity measuring point carries out first revisal and smart school to equipment with rotating shaft; Loop door center, absolute altitude, perpendicularity are installed tolerance and are respectively ± 0.5mm, ± 0.5mm, 0.5/1000;
2. loop door oscillating arm bracket and backing roll are installed
The center line of backing roll and absolute altitude are by the adjustment of adjustment screw, and angle of inclination adjusts by the position of adjustable supporting roll support in oscillating arm bracket chute; Backing roll center and absolute altitude tolerance are respectively ± 0.5mm;
3. the installation of loop door switching mechanism
Loop door switching mechanism center and perpendicularity respectively with switching mechanism points outside for benchmark, tolerance is ± 0.5mm; Spacing with inside switching mechanism for benchmark, tolerance is ± 0.5mm; Absolute altitude is with equipment bottom surface for benchmark, and tolerance is ± 0.5mm;
4) looping car is installed
Check the levelness of looping car slewing rollers, absolute altitude and perpendicularity, and readjust improperly sized; Slewing rollers absolute altitude, centre deviation are ± 0.5mm, and levelness deviation is 0.05mm/m, and looping car installation accuracy is as table 7
Table 7 looping car installation accuracy
| Project | Precision |
| Longitudinal centre line | ±1.0mm |
| Cross central line | ±0.5mm |
| Levelness | 0.3mm/L |
5) installation of transmission device
Centering reel, by the half a coupler centering reductor on reel, then by the half a coupler centering motor on reductor, the installation accuracy of kink transmission device is as table 8
Table 8 kink transmission device installation accuracy
6) whether qualifiedly the loop trolley inspection loop door corrected is utilized to install
First loop trolley is lifted on track by access hole, reexamine its whether assemble qualified, as qualified in assembled, just manually can promote loop trolley, check loop door whether simultaneously opening and closing, whether have the phenomenons such as card group; As defective in looping car assembling, suitably can adjust, after qualified, whether qualified manually promote the installation of loop trolley inspection loop door again;
7) utilize looping car actuator drives looping car to swing door testing and debugging
Utilize actuator drives looping car, loop door is tested, and accurately give spacing location;
C, Horizontal Continuous Furnace equipment are installed, and comprise:
(1) each stove section is set reference center's line is in length and breadth installed
Longitudinal mounting center line of each stove section is set according to the longitudinal centre line of unit, according to each stove section installation site, cross central line is set, make cross central line vertical with longitudinal centre line, and by vertical, horizontal center line pilot measurement on steel structure platform, install and use for each stove section;
(2) expansion roller is installed
Measure the height of roller position that steel construction expands, and adjust expansion roller in conjunction with the actual deviation that steel structure platform is installed, the installation accuracy of furnace bottom expansion gear is: absolute altitude ± 1mm; Levelness unit parallel direction 0.3mm/m, unit vertical direction 0.2mm/m, the installation accuracy of expansion roller is as table 9
Table 9 expands the installation accuracy of roller
| Project | Precision |
| Longitudinal centre line | ±2.0mm |
| Cross central line | ±2.0mm |
| Gap is led in side | ±0.5mm |
| Levelness | 0.2mm/M |
| Absolute altitude | ±1.0mm |
(3) furnace shell is installed
Make frame-type suspender by H profile steel, suspension centre is vertical with furnace shell at same plane, avoids furnace shell stress deformation; Arranging drop-bottom is close on furnace bottom expansion roller, is then alignd by the coil holder made the position that unit centre line steel wire and base plate center line mark, adjusts, and spot welding and the welding of furnace shell outer surface, furnace shell installation accuracy is as table 10
Table 10 furnace shell installation accuracy
| Project | Precision |
| Longitudinal centre line | ±5.0mm |
| Cross central line | ±2.0mm |
| Absolute altitude | ±3.0mm |
(4) installation of radiant tube
With the special hanger lifting radiant tube provided with equipment, then burner is installed, refractory material, with furnace sealing;
(5) furnace roller is installed
Lift with the special hanger brought with equipment, furnace roller installs the absolute altitude controlling furnace roller, levelness and the perpendicularity relative to unit longitudinal centre line; Perpendicularity draws steel wire at transmission side and unit centre line parallel, looks for the concentricity of roller with rocking arm, and installation accuracy is 1mm/m; Levelness precision level is measured, and precision reaches 0.1mm/m;
D, process pipe are installed, and comprise pipe arrangement in the middle of industrial pipeline and unit and install:
(1) industrial pipeline comprises combustion gas, heating power and water supply and sewerage pipeline installation, and install according to industrial pipeline custom requirements, the pressure of these pipelines described is not more than 1.6MPa, and weld seam will do nondestructive inspection;
(2) pipe arrangement comprises energy medium system and hydraulic pressure, grease lubricating system are installed in the middle of unit, all hydraulic, grease lubricating system pipeline all adopt the form of bottom argon arc welding arc welding capping to weld, wherein: in, small-bore pipeline is that argon arc welding is once-forming, all weld seams accomplish fluently double V-groove, and groove gap is 2 ~ 3mm.
Non-orientation silicon steel mechanical equipment installation method of the present invention can also be further achieved by the following technical measures.
Aforesaid method, wherein said step a(1) in, dimensional accuracy during "door" type frame assembled is that post is apart from A(± 3mm), post diagonal B(± 3mm), framework absolute altitude H(± 5mm).
Aforesaid method, wherein said step a(5) 1) during rail chair installs, with base sliding face for benchmark, its centerline deviation≤± 0.5mm, absolute altitude franchise≤± 0.5mm, the levelness≤0.05mm/m of whole slidingsurface, and fore side is higher than transmission side.
Aforesaid method, wherein said step a(9) 3) during 2. loop door oscillating arm bracket and backing roll are installed, all loop door backing roll angles of inclination control in same scope, and just adjacent layer incline direction is contrary.
Aforesaid method, wherein said step c(3) during furnace shell installs, carry out kerosene penetrant inspection inspection at the face of weld of furnace shell outer surface welding.
Aforesaid method, in wherein said steps d (2), the middle pipe arrangement of unit comprises energy medium system and hydraulic pressure, grease lubricating system are installed, all hydraulic, lubrication piping all adopt the form of bottom argon arc welding arc welding capping to weld, wherein: in, small-bore pipeline is that argon arc welding is once-forming, all weld seams accomplish fluently double V-groove, and groove gap is 2 ~ 3mm.
After adopting technique scheme, non-orientation silicon steel mechanical equipment installation method of the present invention has the following advantages:
1, installation effectiveness is improved, the reduction of erection time;
2, work progress simplify, compact, greatly save artificial and construction cost;
3, construction quality is safe and reliable, high financial profit.
Accompanying drawing explanation
Fig. 1 is the gate frame structure schematic diagram of the embodiment of the present invention;
Fig. 2 is two silicon steel production line target schematic diagrames of the embodiment of the present invention;
Fig. 3 is the uncoiler base mounting orientation scheme of installation of the embodiment of the present invention;
Fig. 4 is the reel of uncoiler Level-adjusting schematic diagram of the embodiment of the present invention;
Fig. 5 is the reel of uncoiler perpendicularity adjustment schematic diagram of the embodiment of the present invention;
Fig. 6 is the looping car orbital arrangement schematic diagram of the embodiment of the present invention;
Fig. 7 is the A-A sectional view in Fig. 6;
Fig. 8 is the loop door backing roll scheme of installation of the embodiment of the present invention.
In figure: 1 steel column, 2 crossbeams, 3 assembly platforms, 4 temporary fixed blocks, 5 temporary support, 6 temporary support, 7 temporary support, 8 step rates, No. 91 uncoilers, No. 102 uncoilers, 11 Double shears, 12 welding machines, No. 131 tension rollers, No. 142 tension rollers, No. 152 coiling machines, No. 161 coiling machines, No. 177 tension rollers, 18 coating machines, No. 195 tension rollers, 20 uncoiler bases, 21 piano wires, 22 verticals, 23 forks, 24 reels.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is illustrated further.
Non-orientation silicon steel tinuous production installation method of the present invention, is characterized in that comprising the following steps:
The fabrication and installation of a, "door" type frame steel structure, comprise:
(1) "door" type frame manufacture
Now refer to Fig. 1, Fig. 1 is the gate frame structure schematic diagram of the embodiment of the present invention.As shown in the figure, described "door" type framework is welded to each other into door type steel beam column with a crossbeam 2 by two steel columns 1 on the assembly platform 3 temporarily set up, described assembly platform with two root type steel and 30mm thick steel plate erection, mix up platform absolute altitude, detect with spirit level, make the levelness of platform control in 3mm; Before welding, available channel-section steel does temporary support 5,6,7, after welding, can remove temporary support 5 and 6, and temporary support 7 is removed after installing at the scene and correcting again.Dimensional accuracy is controlled: post is apart from A(± 3mm during "door" type frame assembled), post diagonal B(± 3mm), framework absolute altitude H(± 5mm).
(2) "door" type frame installation, comprising:
1) Pass line adjustment at the bottom of the post of steel column, arranges steel-column foundation backing plate, to reach the absolute altitude precision of steel column;
2) the capital Pass line adjustment of steel column, do absolute altitude actual measurement to capital, absolute altitude deviate≤5mm, only record does not adjust; Need adjust more than 5mm; Clog corresponding steel plate during negative absolute altitude, once adjustment is unsuitable excessive, is limited with 5mm;
3) rectify perpendicular of steel column, corrects in conjunction with theodolite with magnetic force plumb bob, makes the center line tolerance of steel column be ± 3mm;
B, online single devices are installed, and comprise following steps:
(1) length controls apart from the center of tinuous production
Fig. 2 is two silicon steel production line target schematic diagrames of the embodiment of the present invention.
Bury center target underground by construction plan requirement, with high-amplification-factor, high precision Switzerland Lycra TC1102 total powerstation, cultellation control is carried out to mounting center line, and regularly repetition measurement is carried out to mounting center datum mark;
(2) step rate is installed
First carry out the installation of rack construction and track, track installation will reach the levelness of absolute altitude, vertical cross central line, gauge, track; After rack construction and track installation, lifting step rate body, makes it in place, finally installs the cover plate of step rate both sides, top;
(3) steel coil transporting trolley is installed, and comprising:
1) coil car track is installed, before orbit adjusting, according to horizontal and vertical center line cultellation on basis that coil of strip runs, and make a benchmark track according to the actual height that track installation is made at the center of uncoiler, car wheel has the track of flange side to be benchmark track, is adjusted and reach the center of its two tracks, absolute altitude and relative altitude difference and gauge by benchmark track;
2) steel coil transporting trolley body is in place, makes each hydraulic cylinder of dolly, cylinder all in a state of nature according to drawing, after each installation dimension of adjustment dolly, again hydraulic cylinder is installed, after checking its levelness, perpendicularity, hydraulic cylinder base and little automobile-used bearing pin are connected, and fixed hydraulic cylinder bottom seat;
3) installation accuracy of steel coil transporting trolley track is as table 1
The installation accuracy of table 1 steel coil transporting trolley track
| Project | Tolerance | Detection method |
| Long rails center line | ±1.5mm | Steel wire, plumb bob, steel ruler |
| Cross track center line | ±1.5mm | Steel wire, plumb bob, steel ruler |
| Track level measuring | ±0.5mm | Indium steel ruler, spirit level |
| Rail levelness | 0.2/1000 | Level meter |
| Track gauge | ±1.0mm | Steel ruler checks |
(4) cutter is installed
After cutter seat slurry plastic sheet reaches intensity, with driving cutter hung and put in place, in time that fastening foundation bolt is good; Cutter mounting and adjusting, levelness and center line are as the criterion with cutting edge, and perpendicularity can be measured on the inner slide of cutter, and its installation accuracy is as table 2
The installation accuracy of table 2 cutter
| Project | Precision |
| Longitudinal centre line | ±0.5mm |
| Cross central line | ±1.0mm |
| The depth of parallelism | 0.01mm/m |
| Levelness | 0.05mm/m |
| Absolute altitude | ±0.5mm |
(5) uncoiler and coiling machine are installed, and comprising:
1) rail chair is installed
First backing plate is installed, with driving by base hoisted in position, base is carried out to the adjustment of absolute altitude, center line and levelness; The detection spirit level of absolute altitude, centre line aligning utilizes the center target of testing to draw steel wire and plumb bob to adjust; With base sliding face for benchmark, its centerline deviation≤± 0.5mm, absolute altitude franchise≤± 0.5mm, the levelness≤0.05mm/m of whole slidingsurface, and fore side is higher than transmission side, to meet maintenance level after uncoiler, coiler mandrel load.
Fig. 3 is the uncoiler base mounting orientation scheme of installation of the embodiment of the present invention, and Fig. 4 is the reel of uncoiler Level-adjusting schematic diagram of the embodiment of the present invention, and Fig. 5 is the reel of uncoiler perpendicularity adjustment schematic diagram of the embodiment of the present invention.
2) reel main body is installed
In place with driving lifting reel main body, check mandrel surface levelness with the level meter of 0.02mm/m precision, reel cantilever end levelness is set higher than drive end; The perpendicularity of reel and unit centre line is checked with rocking arm, reel of uncoiler relative to the perpendicularity of unit centre line be reel cantilever end to deviating from side, discharging direction, the perpendicularity of the relative unit centre line of coiler mandrel is that reel cantilever end is to deviating from side, supplied materials direction, perpendicularity≤0.05mm/m; Uncoiler installation accuracy is as table 3
Table 3 uncoiler installation accuracy
3) drive motors is installed
First mounted motor base, after adjustment, then by whole motor hoisted in position, adjustment installation site, installed height mark and levelness, and carry out coupler centering;
(6) welding machine is installed
Welding machine driving hoisted in position, with precision level and Minitype jack to its level and Pass line adjustment, and the welding gun traveling of welding machine must overlap with shear line; With transverse slipway and clamping mobile device upper surface for datum mark, its installation accuracy is as table 4
The installation accuracy of table 4 welding machine
| Test item | Franchise | Detect position |
| Absolute altitude | ±0.5mm | Rail level |
| Longitudinal centre line | ±0.5mm | |
| Cross central line | ±0.5mm | |
| Levelness | 0.05/1000 | Rail level |
(7) installation of each jockey pulley, turning, clamping and conveying roller and deviation rectification roller
With driving lifting idler roller, slewing rollers and deviation rectification roller, below first hoisting platform, in order to avoid equipment cannot be in place after installing above; The levelness of roller and the perpendicularity of relative unit longitudinal centre line is controlled during adjustment;
(8) cleaning section equipment is installed
Mounting process cell body, medium storage groove tank and the circulatory system, waste gas cleaning system technology groove tank and roller, squeeze roll, drying equipment, idler roller; Technique cell body comprises alkali spray equipment, alkali brushing device, electrolytic clean unit, high pressure water cleaning device, water brushing device and hot shower arrangements, and unit centre line is thrown in Equipment Foundations before installing by technique cell body; The center in length and breadth of cell body hoisted in position post-equalization cell body, level, its installation accuracy is as table 5; Cell body install before, between cell body and structure, padded insulating pad, and cell body in place after every procedure to measure insulation values, confirm errorless after, can subsequent processing installation be carried out.
Table 5 cell body installation accuracy
| Project | Measuring point | Precision |
| Center line (longitudinal direction) | Roller or frame center | ±0.5mm |
| Center line (transverse direction) | Frame center marks | ±1.0mm |
| Perpendicularity | Roll end fork | 0.05mm/M |
| Absolute altitude | Roller roll surface | ±0.5mm |
| Levelness | Roller center upper surface | 0.05mm/M |
(9) entry loop and outlet looping are installed, and comprising:
1) center target and benchmark target are buried underground
Burying machine group switching centre target in kink, then according to the group number of orbital distance and loop door, buries unit sectional center dash board and benchmark target underground;
Fig. 6 is the looping car orbital arrangement schematic diagram of the embodiment of the present invention, and Fig. 7 is the A-A sectional view in Fig. 6.
2) installation of looping car track
The center line that kink track installation runs using unit band steel is as benchmark, with the steel wire of 0.7mm on the coil holder that it sets, end hangs the weight of 20kg, draws the foundation of establishing a center line as track installation, wire fixed position will coincide with center target, and its installation accuracy is as table 6
Table 6 looping car track installation precision
| Measure the item | Measurement point | Aimed at precision | Measuring point method |
| Unit centre | Benchmark track side | ±0.5mm | Piano wire, plumb bob, steel ruler |
| Unit vertical centre | Track side surfaces | ±0.5mm | Piano wire, plumb bob, steel ruler |
| Track space | Track medial surface | ±0.5mm | Piano wire, plumb bob, micrometer |
| Levelness | Rail top face (corresponding position difference) | 0.05/1000 | Spirit level, indium steel ruler |
| Highly | Rail top face | ±0.5mm | Spirit level, indium steel ruler |
3) kink swing door and switching mechanism thereof are installed
Fig. 8 is the loop door backing roll scheme of installation of the embodiment of the present invention.
Every layer of backing roll is set and becomes 2 with unit cross central line
0~ 3
0; Swing door installs the required precision meeting and open simultaneously or close simultaneously, comprises following aligning step:
1. loop door column corrects
In the middle of loop door column and loop door switching mechanism, Provisional Center target is set, and hang sectional center line, then measuring point centered by loop door spindle central respectively, with column bottom surface for absolute altitude measuring point, is that perpendicularity measuring point carries out first revisal and smart school to equipment with rotating shaft; Loop door center, absolute altitude, perpendicularity are installed tolerance and are respectively ± 0.5mm, ± 0.5mm, 0.5/1000;
2. loop door oscillating arm bracket and backing roll are installed
The center line of backing roll and absolute altitude are by the adjustment of adjustment screw, and angle of inclination adjusts by the position of adjustable supporting roll support in oscillating arm bracket chute; Backing roll center and absolute altitude tolerance are respectively ± 0.5mm; All loop door backing roll angles of inclination must control in same scope, and just adjacent layer incline direction is contrary.
3. the installation of loop door switching mechanism
Loop door switching mechanism center and perpendicularity respectively with switching mechanism points outside for benchmark, tolerance is ± 0.5mm; Spacing with inside switching mechanism for benchmark, tolerance is ± 0.5mm; Absolute altitude is with equipment bottom surface for benchmark, and tolerance is ± 0.5mm;
4) looping car is installed
Check the levelness of looping car slewing rollers, absolute altitude and perpendicularity, and readjust improperly sized; Slewing rollers absolute altitude, centre deviation are ± 0.5mm, and levelness deviation is 0.05mm/m, and looping car installation accuracy is as table 7
Table 7 looping car installation accuracy
| Project | Precision |
| Longitudinal centre line | ±1.0mm |
| Cross central line | ±0.5mm |
| Levelness | 0.3mm/L |
5) installation of transmission device
Centering reel, by the half a coupler centering reductor on reel, then by the half a coupler centering motor on reductor, the installation accuracy of kink transmission device is as table 8
Table 8 kink transmission device installation accuracy
6) whether qualifiedly the loop trolley inspection loop door corrected is utilized to install
First loop trolley is lifted on track by access hole, reexamine its whether assemble qualified, as qualified in assembled, just manually can promote loop trolley, check loop door whether simultaneously opening and closing, whether have the phenomenons such as card group; As defective in looping car assembling, suitably can adjust, after qualified, whether qualified manually promote the installation of loop trolley inspection loop door again;
7) utilize looping car actuator drives looping car to swing door testing and debugging
Utilize actuator drives looping car, loop door is tested, and accurately give spacing location;
C, Horizontal Continuous Furnace equipment are installed, and comprise:
(1) each stove section is set reference center's line is in length and breadth installed
Longitudinal mounting center line of each stove section is set according to the longitudinal centre line of unit, according to each stove section installation site, cross central line is set, make cross central line vertical with longitudinal centre line, and by vertical, horizontal center line pilot measurement on steel structure platform, install and use for each stove section;
(2) expansion roller is installed
Measure the height of roller position that steel construction expands, and adjust expansion roller in conjunction with the actual deviation that steel structure platform is installed, the installation accuracy of furnace bottom expansion gear is: absolute altitude ± 1mm; Levelness unit parallel direction 0.3mm/m, unit vertical direction 0.2mm/m, the installation accuracy of expansion roller is as table 9
Table 9 expands the installation accuracy of roller
| Project | Precision |
| Longitudinal centre line | ±2.0mm |
| Cross central line | ±2.0mm |
| Gap is led in side | ±0.5mm |
| Levelness | 0.2mm/M |
| Absolute altitude | ±1.0mm |
(3) furnace shell is installed
Make frame-type suspender by H profile steel, suspension centre is vertical with furnace shell at same plane, avoids furnace shell stress deformation; Arranging drop-bottom is close on furnace bottom expansion roller, then is alignd by the coil holder made in the position that unit centre line steel wire and base plate center line mark, adjust, spot welding and the welding of furnace shell outer surface, carry out kerosene penetrant inspection inspection at the face of weld of furnace shell outer surface welding.Coat lime plaster, after lime white drying, spray, after half an hour, when checking outer side weld without obvious stain facing to inside weld seam at the inner little pneumatic watering can with filling kerosene of furnace shell, weld inspection is qualified, no side, behind the position of leakage again grinding process, then repair welding, after repair welding, the weld seam after repair welding is checked in the test that tries again.Furnace shell installation accuracy is as table 10
Table 10 furnace shell installation accuracy
| Project | Precision |
| Longitudinal centre line | ±5.0mm |
| Cross central line | ±2.0mm |
| Absolute altitude | ±3.0mm |
(4) installation of radiant tube
With the special hanger lifting radiant tube provided with equipment, then burner is installed, refractory material, with furnace sealing;
(5) furnace roller is installed
Lift with the special hanger brought with equipment, furnace roller installs the absolute altitude controlling furnace roller, levelness and the perpendicularity relative to unit longitudinal centre line; Perpendicularity draws steel wire at transmission side and unit centre line parallel, looks for the concentricity of roller with rocking arm, and installation accuracy is 1mm/m; Levelness precision level is measured, and precision reaches 0.1mm/m;
D, process pipe are installed, and comprise pipe arrangement in the middle of industrial pipeline and unit and install:
(1) industrial pipeline comprises combustion gas, heating power and water supply and sewerage pipeline installation, and install according to industrial pipeline custom requirements, the pressure of these pipelines described is not more than 1.6MPa, and weld seam will do nondestructive inspection;
(2) pipe arrangement comprises energy medium system and hydraulic pressure, grease lubricating system are installed in the middle of unit, all hydraulic, grease lubricating system pipeline all adopt the form of bottom argon arc welding arc welding capping to weld, wherein: in, small-bore pipeline is that argon arc welding is once-forming, all weld seams accomplish fluently double V-groove, and groove gap is 2 ~ 3mm.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, can also make various conversion or change.Therefore, all equivalent technical schemes also should belong to category of the present invention, should be limited by each claim.
Claims (6)
1. a non-orientation silicon steel tinuous production installation method, is characterized in that comprising the following steps:
The fabrication and installation of a, "door" type frame steel structure, comprise:
(1) "door" type frame manufacture
"door" type framework is welded to each other into door type steel beam column with a crossbeam (2) by two steel columns (1) on the assembly platform temporarily set up (3), described assembly platform with two root type steel and 30mm thick steel plate erection, mix up platform absolute altitude, detect with spirit level, make the levelness of platform control in 3mm; Before welding, available channel-section steel does three temporary support, after welding, can remove the 1st temporary support (5) and the 2nd temporary support (6), and the 3rd temporary support (7) is removed after installing at the scene and correcting again;
(2) "door" type frame installation, comprising:
1) Pass line adjustment at the bottom of the post of steel column, arranges steel-column foundation backing plate, to reach the absolute altitude precision of steel column;
2) the capital Pass line adjustment of steel column, do absolute altitude actual measurement to capital, absolute altitude deviate≤5mm, only record does not adjust; Need adjust more than 5mm; Clog corresponding steel plate during negative absolute altitude, once adjustment is unsuitable excessive, is limited with 5mm;
3) rectify perpendicular of steel column, corrects in conjunction with theodolite with magnetic force plumb bob, makes the center line tolerance of steel column be ± 3mm;
B, online single devices are installed, and comprise following steps:
(1) length controls apart from the center of tinuous production
Bury center target underground by construction plan requirement, with high-amplification-factor, high precision Switzerland Lycra TC1102 total powerstation, cultellation control is carried out to mounting center line, and regularly repetition measurement is carried out to mounting center datum mark;
(2) step rate is installed
First carry out the installation of rack construction and track, track installation will reach the levelness of absolute altitude, vertical cross central line, gauge, track; After rack construction and track installation, lifting step rate body, makes it in place, finally installs the cover plate of step rate both sides, top;
(3) steel coil transporting trolley is installed, and comprising:
1) coil car track is installed, before orbit adjusting, according to horizontal and vertical center line cultellation on basis that coil of strip runs, and the actual height of track installation is made according to the center of uncoiler, draw a benchmark track, car wheel has the track of flange side to be benchmark track, is adjusted and reach the center of its two tracks, absolute altitude and relative altitude difference and gauge by benchmark track;
2) steel coil transporting trolley body is in place, makes each hydraulic cylinder of dolly, cylinder all in a state of nature according to drawing, after each installation dimension of adjustment dolly, again hydraulic cylinder is installed, after checking its levelness, perpendicularity, hydraulic cylinder base and little automobile-used bearing pin are connected, and fixed hydraulic cylinder bottom seat; The installation accuracy of steel coil transporting trolley track is as table 1;
The installation accuracy of table 1 steel coil transporting trolley track
(4) cutter is installed
After cutter seat slurry plastic sheet reaches intensity, with driving cutter hung and put in place, fastening foundation bolt is good; Cutter mounting and adjusting, levelness and center line are as the criterion with cutting edge, and perpendicularity can be measured on the inner slide of cutter, and its installation accuracy is as table 2;
The installation accuracy of table 2 cutter
(5) uncoiler and coiling machine are installed, and comprising:
1) rail chair is installed
First backing plate is installed, with driving by base hoisted in position, base is carried out to the adjustment of absolute altitude, center line and levelness; The detection spirit level of absolute altitude, centre line aligning utilizes the center target of testing to draw steel wire and plumb bob to adjust;
2) reel main body is installed
In place with driving lifting reel main body, check mandrel surface levelness with the level meter of 0.02mm/m precision, reel cantilever end levelness is set higher than drive end; The perpendicularity of reel and unit centre line is checked with rocking arm, reel of uncoiler relative to the perpendicularity of unit centre line be reel cantilever end to deviating from side, discharging direction, the perpendicularity of the relative unit centre line of coiler mandrel is that reel cantilever end is to deviating from side, supplied materials direction, perpendicularity≤0.05mm/m; Uncoiler installation accuracy is as table 3;
Table 3 uncoiler installation accuracy is as table 3
3) drive motors is installed
First mounted motor base, after adjustment, then by whole motor hoisted in position, adjustment installation site, installed height mark and levelness, and carry out coupler centering;
(6) welding machine is installed
Welding machine driving hoisted in position, with precision level and Minitype jack to its level and Pass line adjustment, and the welding gun traveling of welding machine overlaps with shear line; With transverse slipway and clamping mobile device upper surface for datum mark, its installation accuracy is as table 4;
The installation accuracy of table 4 welding machine
(7) installation of each jockey pulley, turning, clamping and conveying roller and deviation rectification roller
With driving lifting idler roller, slewing rollers and deviation rectification roller, below first hoisting platform, in order to avoid equipment cannot be in place after installing above; The levelness of roller and the perpendicularity of relative unit longitudinal centre line is controlled during adjustment;
(8) cleaning section equipment is installed
Mounting process cell body, medium storage groove tank and the circulatory system, waste gas cleaning system technology groove tank and roller, squeeze roll, drying equipment, idler roller; Technique cell body comprises alkali spray equipment, alkali brushing device, electrolytic clean unit, high pressure water cleaning device, water brushing device and hot shower arrangements, and unit centre line is thrown in Equipment Foundations before installing by technique cell body; The center in length and breadth of cell body hoisted in position post-equalization cell body, level, its installation accuracy is as table 5;
Table 5 cell body installation accuracy
(9) entry loop and outlet looping are installed, and comprising:
1) center target and benchmark target are buried underground
Burying machine group switching centre target in kink, then according to the group number of orbital distance and loop door, buries unit sectional center dash board and benchmark target underground;
2) installation of looping car track
The center line that kink track installation runs using unit band steel is as benchmark, and with the steel wire of 0.7mm on the coil holder that it sets, draw the foundation of establishing a center line as track installation, wire fixed position will coincide with center target, and its installation accuracy is as table 6;
Table 6 looping car track installation precision
3) kink swing door and switching mechanism thereof are installed
Every layer of backing roll is set and becomes 2 ° ~ 3 ° with unit cross central line; Swing door installs the required precision meeting and open simultaneously or close simultaneously, comprises following aligning step:
1. loop door column corrects
In the middle of loop door column and loop door switching mechanism, Provisional Center target is set, and hang sectional center line, then measuring point centered by loop door spindle central respectively, with column bottom surface for absolute altitude measuring point, is that perpendicularity measuring point carries out first revisal and smart school to equipment with rotating shaft; Loop door center, absolute altitude, perpendicularity are installed tolerance and are respectively ± 0.5mm, ± 0.5mm, 0.5/1000;
2. loop door oscillating arm bracket and backing roll are installed
The center line of backing roll and absolute altitude are by the adjustment of adjustment screw, and angle of inclination adjusts by the position of adjustable supporting roll support in oscillating arm bracket chute; Backing roll center and absolute altitude tolerance are respectively ± 0.5mm;
3. the installation of loop door switching mechanism
Loop door switching mechanism center and perpendicularity respectively with switching mechanism points outside for benchmark, tolerance is ± 0.5mm; Spacing with inside switching mechanism for benchmark, tolerance is ± 0.5mm; Absolute altitude is with equipment bottom surface for benchmark, and tolerance is ± 0.5mm;
4) looping car is installed
Check the levelness of looping car slewing rollers, absolute altitude and perpendicularity, and readjust improperly sized; Slewing rollers absolute altitude, centre deviation are ± 0.5mm, and levelness deviation is 0.05mm/m, and looping car installation accuracy is as table 7;
Table 7 looping car installation accuracy
5) installation of transmission device
Centering reel, by the half a coupler centering reductor on reel, then by the half a coupler centering motor on reductor, the installation accuracy of kink transmission device is as table 8;
Table 8 kink transmission device installation accuracy
6) whether qualifiedly the loop trolley inspection loop door corrected is utilized to install
First loop trolley is lifted on track by access hole, reexamine its whether assemble qualified, as qualified in assembled, just manually can promote loop trolley, check loop door whether simultaneously opening and closing, whether have the phenomenons such as card group; As defective in looping car assembling, suitably can adjust, after qualified, whether qualified manually promote the installation of loop trolley inspection loop door again;
7) utilize looping car actuator drives looping car to swing door testing and debugging
Utilize actuator drives looping car, loop door is tested, and accurately give spacing location;
C, Horizontal Continuous Furnace equipment are installed, and comprise:
(1) each stove section is set reference center's line is in length and breadth installed
Longitudinal mounting center line of each stove section is set according to the longitudinal centre line of unit, according to each stove section installation site, cross central line is set, make cross central line vertical with longitudinal centre line, and by vertical, horizontal center line pilot measurement on steel structure platform, install and use for each stove section; (2) expansion roller is installed
Measure the height of roller position that steel construction expands, and adjust expansion roller in conjunction with the actual deviation that steel structure platform is installed, the installation accuracy of furnace bottom expansion gear is: absolute altitude ± 1mm; Levelness unit parallel direction 0.3mm/m, unit vertical direction 0.2mm/m, the installation accuracy of expansion roller is as table 9;
Table 9 expands the installation accuracy of roller
(3) furnace shell is installed
Make frame-type suspender by H profile steel, suspension centre is vertical with furnace shell at same plane, avoids furnace shell stress deformation; Arranging drop-bottom is close on furnace bottom expansion roller, is then alignd by the coil holder made the position that unit centre line steel wire and base plate center line mark, adjusts, spot welding and the welding of furnace shell outer surface; Furnace shell installation accuracy is as table 10;
Table 10 furnace shell installation accuracy
(4) installation of radiant tube
With the special hanger lifting radiant tube provided with equipment, then burner is installed, refractory material, with furnace sealing;
(5) furnace roller is installed
Lift with the special hanger brought with equipment, furnace roller installs the absolute altitude controlling furnace roller, levelness and the perpendicularity relative to unit longitudinal centre line; Perpendicularity draws steel wire at transmission side and unit centre line parallel, looks for the concentricity of roller with rocking arm, and installation accuracy is 1mm/m; Levelness precision level is measured, and precision reaches 0.1mm/m;
D, process pipe are installed, and comprise pipe arrangement in the middle of industrial pipeline and unit and install:
(1) industrial pipeline comprises combustion gas, heating power and water supply and sewerage pipeline installation, and install according to industrial pipeline custom requirements, the pressure of these pipelines described is not more than 1.6MPa, and weld seam will do nondestructive inspection;
(2) pipe arrangement comprises energy medium system and hydraulic pressure, grease lubricating system are installed in the middle of unit, all hydraulic, grease lubricating system pipeline all adopt the form of bottom argon arc welding arc welding capping to weld, wherein: in, small-bore pipeline is that argon arc welding is once-forming, all weld seams accomplish fluently double V-groove, and groove gap is 2 ~ 3mm.
2. non-orientation silicon steel tinuous production installation method as claimed in claim 1, is characterized in that, in described step a (1), dimensional accuracy during "door" type frame assembled is that post is apart from A ± 3mm, post diagonal B ± 3mm, framework absolute altitude H ± 5mm.
3. non-orientation silicon steel tinuous production installation method as claimed in claim 1, it is characterized in that, described step b (5) 1) rail chair install in, with base sliding face for benchmark, its centerline deviation≤± 0.5mm, absolute altitude franchise≤± 0.5mm, the levelness≤0.05mm/m of whole slidingsurface, and fore side is higher than transmission side.
4. non-orientation silicon steel tinuous production installation method as claimed in claim 1, it is characterized in that, described step b (9) 3) during 2. loop door oscillating arm bracket and backing roll are installed, all loop door backing roll angles of inclination control in same scope, and just adjacent layer incline direction is contrary.
5. non-orientation silicon steel tinuous production installation method as claimed in claim 1, is characterized in that, during described step c (3) furnace shell is installed, carries out kerosene penetrant inspection inspection at the face of weld of furnace shell outer surface welding.
6. non-orientation silicon steel tinuous production installation method as claimed in claim 1, it is characterized in that, in described steps d (2), the middle pipe arrangement of unit comprises energy medium system and hydraulic pressure, grease lubricating system are installed, all hydraulic, lubrication piping all adopt the form of bottom argon arc welding arc welding capping to weld, wherein: in, small-bore pipeline is that argon arc welding is once-forming, all weld seams accomplish fluently double V-groove, and groove gap is 2 ~ 3mm.
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| CN104722986B (en) * | 2013-12-18 | 2016-06-01 | 五冶集团上海有限公司 | A kind of non orientating silicon steel technique steel construction gate frame welding deformation control method |
| CN106140831B (en) * | 2015-04-01 | 2018-07-13 | 上海宝冶集团有限公司 | Milling train tilts and the correction locating measurement method of skew |
| CN106140821B (en) * | 2015-04-01 | 2018-07-13 | 上海宝冶集团有限公司 | Milling train tilts and the bearing calibration of skew |
| CN107267737A (en) * | 2016-04-08 | 2017-10-20 | 五冶集团上海有限公司 | A kind of flat cold-rolled sheet vertical continuous annealing furnace roller installation method |
| CN106013861B (en) * | 2016-05-27 | 2018-05-25 | 中国五冶集团有限公司 | A kind of continuous annealing furnace installs measuring method |
| CN110142300B (en) * | 2019-05-24 | 2021-02-26 | 首钢京唐钢铁联合有限责任公司 | Geometric parameter detection method for cold rolling vertical loop track |
| CN111005572A (en) * | 2019-11-15 | 2020-04-14 | 中国三冶集团有限公司 | Installation control method for steel coil transportation walking beam of rolling mill |
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