CN112547801A - High-precision ultrathin aluminum foil mill unit mounting method - Google Patents
High-precision ultrathin aluminum foil mill unit mounting method Download PDFInfo
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- CN112547801A CN112547801A CN202011283154.8A CN202011283154A CN112547801A CN 112547801 A CN112547801 A CN 112547801A CN 202011283154 A CN202011283154 A CN 202011283154A CN 112547801 A CN112547801 A CN 112547801A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/40—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling foils which present special problems, e.g. because of thinness
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
- B21B31/06—Fastening stands or frames to foundation, e.g. to the sole plate
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a high-precision ultrathin aluminum foil mill set mounting method, which comprises the following steps of: s1: and transferring and accepting the foundation, collecting and confirming acceptance data of the foundation with installation conditions, carefully retesting the outline dimension, the central line, the elevation, the verticality and the levelness of the foundation, the embedded foundation bolts and the reserved holes according to the drawing according to completion drawing and technical data provided by a civil engineering unit during acceptance of the foundation, and performing a pre-pressing test on the installation point of the rolling unit before the installation of the rolling unit. The invention adopts high-precision measuring instruments such as a dividing rod, a high-precision level gauge, a frame type horizontal ruler and the like to measure, thereby ensuring the installation precision of the unit; the reasonable installation sequence is selected, the measurement of the units and the adjustment of the unit installation precision are facilitated, the form and position errors among the units are guaranteed, the unit installation precision is improved, the construction is safe, the construction period is short, the hoisting cost is low, and the construction passes the acceptance at one time, so that the construction method has wide application prospect.
Description
Technical Field
The invention relates to the technical field of installation of aluminum foil rolling mill sets, in particular to a high-precision ultrathin aluminum foil rolling mill set installation method.
Background
The aluminum foil roughing mill is a device for rolling an aluminum plate coil with the incoming material of less than 0.5mm into an aluminum foil with the thickness of more than 2 multiplied by 0.0045mm by a plurality of passes, and three conditions are required for the rolling of the aluminum foil in case of fire or explosion: combustibles, such as rolling oil, cotton yarn, hose, etc.; comburent, i.e. oxygen in the air; fire sources and high temperatures, such as friction, electrical sparks, static electricity, open flames, etc. The absence of any one of the conditions will not cause the fire to explode. Oil vapor generated in the high-speed aluminum foil rolling and oxygen in the air cannot be avoided, so that the key of the high-speed aluminum foil rolling mill for safety and fire prevention is how to eliminate a fire source and high temperature generated by local overheating.
In the prior art, the installation precision of an aluminum foil rolling unit is low, the precision error between units is large, and the installation cost is high, so that a high-precision ultrathin aluminum foil rolling unit installation method is provided to solve the problems.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a high-precision ultrathin aluminum foil mill set installation method.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-precision ultrathin aluminum foil mill set mounting method comprises the following steps:
s1: transferring and accepting the foundation, collecting acceptance data for confirming that the foundation has the installation conditions, and carefully retesting the outline dimension, the central line, the elevation, the verticality and the levelness of the foundation, the embedded foundation bolts and the reserved holes according to the drawing according to completion drawing and technical data provided by a civil engineering unit when the foundation is accepted;
s2: the method comprises the following steps that a prepressing test needs to be carried out on a mounting point of a rolling mill set before the rolling mill set is mounted, a settlement observation point is set, detailed settlement observation records are well made, the observation point is mounted at four points uniformly distributed around the mounting point of the rolling mill set, observation needs to be timed and recorded in detail, and observation time is up to the moment that settlement of the mounting point is basically stable;
s3: measuring and paying off, marking out a longitudinal central line and a transverse central line on a foundation surface after the foundation is checked and accepted, marking out a horizontal datum line on the side surface of a foundation point, and embedding a central target plate and an elevation datum plate;
s4: installing a base of a rolling mill, drawing a position line of a cushion plate on the basis of the memorial archway and the base according to a drawing, installing a longitudinal central line and a transverse central line, using a flat sizing block as a sizing block for installing a rolling mill set, using a grinding machine to process the upper surface of the sizing block, the processing precision of the sizing block meets the requirement, the adjusting lug plate is welded before the sizing block is installed, after the sizing block is installed and adjusted, after inspection and acceptance, grouting by using a high-strength non-shrinkage self-leveling grouting material, wherein sundries such as oil stain and soil cannot be formed on the surface of a foundation and the lower surface of equipment during grouting, blowing once by using a compressed air gun, washing once by using pressure water, fully and comprehensively wetting the surface of the foundation by sprinkling water 6-12 hours before grouting, blowing accumulated water by using compressed air 1 hour before grouting, pointing and tightly pasting joints of a template and the foundation by using cement paste, sticky tapes and the like to achieve the water-tightness degree of the whole template;
s5: base installation, namely marking a memorial archway frame installation center on a base, marking a base center line according to the memorial archway frame center line, penetrating foundation bolts into foundation holes, rotating and temporarily clamping all the foundation bolts in a preset T-shaped head direction, placing a group of oblique sizing blocks on each base plate, lifting the base to about 1.5m away from the ground, cleaning a contact surface, lifting the base in place, adding corresponding spacer sleeves between the foundation bolts and the base holes to ensure that the gaps between the foundation bolts and the base holes are the same and the verticality of the foundation bolts after the foundation bolts are poured, measuring the height between the exposed parts of the bolts and the base by using a measuring tape, adjusting the center and the levelness of the base by using the oblique sizing blocks below a jack and the base to meet the design and standard requirements, measuring by using a micrometer rod, wherein the deviation between the center lines of the two bases and the reference line is not more than +/-1.0 mm, measuring by using a high-precision level gauge, checking by using a 4m flat rule and a frame level gauge, wherein the levelness error of the base is not more than 0.5mm/m, and the elevation deviation of the two bases is not more than 0.05 mm;
s6: installing the housing frame, determining to adopt 75 tons of traveling cranes in the plant as hoisting equipment according to the arrangement condition of the hoisting equipment in the plant, the height of the plant, the weight of the housing frame and height parameters, and hoisting the housing frame in place by the hoisting equipment by wrapping two tubular lifting lugs of the housing frame;
s7: adjusting the memorial archway frames, after the two memorial archway frames are hoisted in place, firstly installing a top connecting beam in place, connecting the two memorial archway frames into a stable system, hanging a steel wire with the diameter of 0.4mm at the height position of a rolling line to form a longitudinal and transverse central line, adjusting the positions of the memorial archway frames by using two 16-ton thousand tops, checking the central deviation and the skew deviation of the two memorial archway frames by using a micrometer rod, adjusting and finely adjusting an inclined pad iron below a base to ensure that the verticality and the levelness of the memorial archway frames reach within the standard allowable deviation, checking a contact gap between the memorial archway frames and the top surface of the base by using a feeler gauge, checking the two-directional verticality of the memorial archway frames by using a wire hanging method, measuring the water height and the height difference of pressure upper cylinder supporting surfaces in windows of the two memorial archway frames by using a 4m flat gauge and a frame level gauge, enabling errors to reach the standard by, after the precision requirements of the two memorial archway frames reach the design and standard requirements, connecting beams on the two sides and the top of the memorial archway frames are installed and fastened in place, then a base plate under a base is fixed in a spot welding mode, and secondary grouting is carried out;
s8: correcting a rolling mill set, namely correcting the coiling machine to a certain height, adjusting the coiling machine by using a flat base plate, wherein the base of the coiling machine is absolutely level, all bolts are determined to be screwed by the same moment during adjustment, the elevation and the level of the base of the coiling machine are adjusted by using 2 embedded hydraulic jacks, the coiling machine cannot move, and during adjustment, a dial indicator is used for observing whether the coiling machine moves or not;
s9: the installation of the rolling mill unit, according to the size of the anchor bolt hole of the uncoiler, the longitudinal central line of the uncoiler and the longitudinal central line of the train, the installation position of each backing plate is drawn on the basis, 3 square ear plates of 40 multiplied by 40/phi 16 are welded on 3 side surfaces of each flat iron, the installation hole of an M12 expansion sleeve is punched according to the ear plate hole position on the basis, then a screw rod with corresponding length is installed according to the repeatedly measured basic elevation, each ear plate is fixed by 2 nuts, the flat iron is adjusted to the installation elevation by the control of a level gauge, the longitudinal and transverse levelness of the backing plate is controlled by a square level gauge, grouting material is used for irrigating under the backing plate, a steel wire with the diameter of 0.4mm is used for hanging the longitudinal central line of the train and the longitudinal central line of the uncoiler, the steel wire hanging method is the same as the hanging method in the installation of the housing, the longitudinal and transverse centers of the uncoiler are adjusted by a jack, the elevation of the uncoiler is adjusted to the design height by using the inclined sizing block, the foundation bolt is pulled tightly, the center, the outer pendulum and the upward rise of the reel reach the design requirement by repeatedly fine adjusting the inclined sizing block, the foundation nut and the host horizontal offset, and the coiler is cast.
Preferably, the prepressing weight of the foundation prepressing test is taken to be 1.2 times the total weight of the mill train.
Preferably, the error of the installation longitudinal center line and the error of the transverse center line from the horizontal datum line are not more than 0.5mm, and the error of the distance between the transverse center lines of the foundation is not allowed to exceed 1 mm.
Preferably, the sizing block mounting method is an adjustable bolt sizing block mounting method, the sizing block is fixed on a base through a chemical anchor bolt, the level of the sizing block is adjusted through an adjusting nut, the mounting elevation error is +/-0.5 mm, the levelness of the sizing block is checked through a frame type level meter, the elevation is checked through N3 and a matched indium steel ruler, and the top surface of the sizing block is used as the standard during checking.
Preferably, the grouting height is about 10mm for submerging the bottom surface of the seat grouting flat sizing block, equipment can be installed after 12 hours of grouting, and equipment can be adjusted after 24 hours.
Preferably, the hoisting is made of H200X 8X 14 hot-rolled H-shaped steel to form a hoisting beam, and 2 fiber core steel wire ropes with the diameter of 40mm and the diameter of 6X 37(1770MPa) are used for hoisting.
Preferably, the hanging of the center line is realized by a lead weight and a steel wire.
Preferably, the reel measurement control method is to manufacture the swing rod by using L50 × 5 angle steel, hold the swing rod tightly on the reel by using a hoop, and measure 4 points of the reel by using a swing rod beating mode, so that the central line of the uncoiler and the outward swinging and upward swinging of the reel are controlled to meet the design and specification requirements.
Compared with the prior art, the invention has the following advantages:
1. the invention adopts high-precision measuring instruments such as a dividing rod, a high-precision level gauge, a frame type horizontal ruler and the like to measure, thereby ensuring the installation precision of the unit; the reasonable installation sequence is selected, the measurement of the unit and the adjustment of the installation precision of the unit are facilitated, the form and position errors among the units are guaranteed, the installation precision of the unit is improved, the construction is safe, the construction period is short, the hoisting cost is low, and the construction passes the acceptance at one time, so that the construction method has wide application prospect.
2. The invention saves the management cost of the whole project and the expenditure of labor cost, reduces the cost of the project, ensures that the project is completed according to the time, ensures that the project is put into operation according to the time, shortens the construction time of the project, runs well since the project is put into operation, not only creates better economic benefit, but also brings better social benefit.
Detailed Description
A high-precision ultrathin aluminum foil mill set mounting method comprises the following steps:
s1: transferring and accepting the foundation, collecting acceptance data for confirming that the foundation has the installation conditions, and carefully retesting the outline dimension, the central line, the elevation, the verticality and the levelness of the foundation, the embedded foundation bolts and the reserved holes according to the drawing according to completion drawing and technical data provided by a civil engineering unit when the foundation is accepted;
s2: the method comprises the following steps that a prepressing test needs to be carried out on a mounting point of a rolling mill unit before the rolling mill unit is mounted, a settlement observation point is set, detailed settlement observation records are made, the observation point is mounted at four points uniformly distributed around the mounting point of the rolling mill unit, observation needs to be timed and recorded in detail, observation time is carried out until the settlement of the mounting point is basically stable, and the prepressing weight of a basic prepressing test is 1.2 times of the total weight of the rolling mill unit;
s3: measuring and paying off, marking out a mounting longitudinal central line and a transverse central line on a foundation surface after the foundation is checked and accepted, marking out a horizontal datum line on the side surface of a foundation point, and embedding a central target plate and an elevation datum plate, wherein the errors between the mounting longitudinal central line and the mounting transverse central line and the horizontal datum line are not more than 0.5mm, and the error between the distance between the transverse central lines of the foundation is not allowed to exceed 1 mm;
s4: the base of the rolling mill is installed, according to a drawing, a longitudinal central line and a transverse central line are installed, a base plate position line is drawn on the basis of a memorial archway and a base, a flat sizing block is used as a sizing block for installing a rolling mill set, the upper surface of the used sizing block is processed by a grinding machine, the processing precision meets the requirement, an adjusting lug plate is welded before the sizing block is installed, after the sizing block is installed and adjusted, the sizing block is installed and adjusted by an adjustable bolt sizing method, a seat sizing block is fixed on the base by a chemical anchor bolt, the level of the sizing block is adjusted by an adjusting nut, the error difference of the installation elevation of the sizing block is +/-0.5 mm, the levelness of the sizing block is checked by a frame type level meter, the elevation is checked by N3 and a matched indium steel ruler, the top surface of the sizing block is used as the standard during the checking, after the checking and the acceptance is qualified, high-strength non-shrinkage level grouting slurry is used, the grouting height is about 10, the equipment can be installed after 12 hours of grouting, the equipment can be adjusted after 24 hours, sundries such as oil stain and soil cannot be left on the surface of the foundation and the lower surface of the equipment during grouting, a compressed air gun is used for blowing once, then pressure water is used for washing once, the surface of the foundation is fully and comprehensively wetted by sprinkling water 6 to 12 hours before grouting, accumulated water is blown away by compressed air 1 hour before grouting, joints of the template and the foundation are subjected to joint pointing and tight pasting by cement paste, adhesive tapes and the like, and the water-tight degree of the whole template is achieved;
s5: base installation, marking a memorial archway frame installation center on a base, marking a base center line according to the memorial archway frame center line, penetrating foundation bolts into lower foundation holes, turning all the foundation bolts in the direction of a pre-marked T-shaped head, temporarily clamping and fixing all the foundation bolts, placing a group of oblique sizing blocks on each base plate, hoisting the base to about 1.5m away from the ground, manufacturing a hoisting beam by adopting H200 8 14 hot rolled H-shaped steel, hoisting 2 phi 40mm 6 x 37(1770Mpa) fiber core steel wire ropes, cleaning a contact surface, hoisting the base in place, adding corresponding spacer bushes between the foundation bolts and the base holes to ensure that the gaps between the foundation bolts and the base holes are the same after the foundation bolts are poured and the tape measure of the foundation bolts, measuring the heights between the bolt parts and the base are the same, and adjusting the center and the levelness of the base by using the oblique sizing blocks below a jack and the base to meet the design and standard requirements, measuring by using a micrometer rod, wherein the deviation between the central lines of the two bases and the reference line is not more than +/-1.0 mm, measuring by using a high-precision level gauge, checking by using a 4m flat rule and a frame type level gauge, wherein the levelness error of the bases is not more than 0.5mm/m, and the elevation deviation of the two bases is not more than 0.05 mm;
s6: installing the housing frame, determining to adopt 75 tons of traveling cranes in the plant as hoisting equipment according to the arrangement condition of the hoisting equipment in the plant, the height of the plant, the weight of the housing frame and height parameters, and hoisting the housing frame in place by the hoisting equipment by wrapping two tubular lifting lugs of the housing frame;
s7: adjusting the memorial archway frames, after the two memorial archway frames are hoisted in place, firstly installing a top connecting beam in place, connecting the two memorial archway frames into a stable system, hanging a longitudinal and transverse central line by using a steel wire with the diameter of 0.4mm at the height position of a rolling line, hanging the central line by using a lead weight and the steel wire, adjusting the positions of the memorial archway frames by using two 16 ton kilo jacks, checking the central offset and the skew deviation of the two memorial archway frames by using a micrometer rod, adjusting and finely adjusting a cushion iron below a base to ensure that the verticality and the levelness of the memorial archway frames reach within the standard allowable deviation, checking a clearance between the memorial archway frames and the top surface of the base by using a feeler gauge, measuring the water height and the height difference of a pressure cylinder supporting surface in windows of the two memorial archway frames by using a high-precision level gauge, a 4m flat gauge and a frame-type level gauge by using a line hanging method, and finely adjusting the cushion iron, by repeating the adjusting and checking steps, after the precision requirements of the two memorial archway frames reach the design and standard requirements, connecting beams on the two sides and the top of the memorial archway frames are installed and fastened in place, and then a base plate under the base is fixed in a spot welding manner to carry out secondary grouting;
s8: correcting a rolling mill set, namely correcting the coiling machine to a certain height, adjusting the coiling machine by using a flat base plate, wherein the base of the coiling machine is absolutely level, all bolts are determined to be screwed by the same moment during adjustment, the elevation and the level of the base of the coiling machine are adjusted by using 2 embedded hydraulic jacks, the coiling machine cannot move, and during adjustment, a dial indicator is used for observing whether the coiling machine moves or not;
s9: the installation of the rolling mill unit, according to the size of the anchor bolt hole of the uncoiler, the longitudinal central line of the uncoiler and the longitudinal central line of the train, the installation position of each backing plate is drawn on the basis, 3 square ear plates of 40 multiplied by 40/phi 16 are welded on 3 side surfaces of each flat iron, the installation hole of an M12 expansion sleeve is punched according to the ear plate hole position on the basis, then a screw rod with corresponding length is installed according to the repeatedly measured basic elevation, each ear plate is fixed by 2 nuts, the flat iron is adjusted to the installation elevation by the control of a level gauge, the longitudinal and transverse levelness of the backing plate is controlled by a square level gauge, grouting material is used for irrigating under the backing plate, a steel wire with the diameter of 0.4mm is used for hanging the longitudinal central line of the train and the longitudinal central line of the uncoiler, the steel wire hanging method is the same as the hanging method in the installation of the housing, the longitudinal and transverse centers of the uncoiler are adjusted by a jack, the elevation of the uncoiler is adjusted to the design height by using the inclined sizing block, the foundation bolt is pulled tightly, the inclined sizing block, the foundation nut and the host machine are subjected to repeated fine adjustment to achieve the design requirement on the center, the outer pendulum and the upward lifting of the reel, the coiler is cast, the reel measurement control method is to manufacture the oscillating bar by using L50 x 5 angle steel, the oscillating bar is tightly held and fixed on the reel by using the hoop, 4 points of the reel are measured by adopting the oscillating bar beating mode, and therefore the central line of the uncoiler and the outer pendulum and the upward lifting of the reel are controlled to achieve the design and standard requirements.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical idea of the present invention is equivalent to or changed by the present invention.
Claims (8)
1. A high-precision ultrathin aluminum foil mill set mounting method is characterized by comprising the following steps:
s1: transferring and accepting the foundation, collecting acceptance data for confirming that the foundation has the installation conditions, and carefully retesting the outline dimension, the central line, the elevation, the verticality and the levelness of the foundation, the embedded foundation bolts and the reserved holes according to the drawing according to completion drawing and technical data provided by a civil engineering unit when the foundation is accepted;
s2: the method comprises the following steps that a prepressing test needs to be carried out on a mounting point of a rolling mill set before the rolling mill set is mounted, a settlement observation point is set, detailed settlement observation records are well made, the observation point is mounted at four points uniformly distributed around the mounting point of the rolling mill set, observation needs to be timed and recorded in detail, and observation time is up to the moment that settlement of the mounting point is basically stable;
s3: measuring and paying off, marking out a longitudinal central line and a transverse central line on a foundation surface after the foundation is checked and accepted, marking out a horizontal datum line on the side surface of a foundation point, and embedding a central target plate and an elevation datum plate;
s4: installing a base of a rolling mill, drawing a position line of a cushion plate on the basis of the memorial archway and the base according to a drawing, installing a longitudinal central line and a transverse central line, using a flat sizing block as a sizing block for installing a rolling mill set, using a grinding machine to process the upper surface of the sizing block, the processing precision of the sizing block meets the requirement, the adjusting lug plate is welded before the sizing block is installed, after the sizing block is installed and adjusted, after inspection and acceptance, grouting by using a high-strength non-shrinkage self-leveling grouting material, wherein sundries such as oil stain, soil and the like cannot exist on the surface of a foundation and the lower surface of equipment during grouting, blowing once by using a compressed air gun, washing once by using pressure water, fully and comprehensively wetting the surface of the foundation by sprinkling water 6-12 hours before grouting, blowing accumulated water by using compressed air 1 hour before grouting, pointing and tightly pasting joints of a template and the foundation by using cement paste, adhesive tapes and the like to achieve the water-tightness degree of the whole template;
s5: base mounting, firstly marking out the mounting center of the memorial archway frame on the base, then marking out the central line of the base according to the central line of the memorial archway frame, inserting the foundation bolts into the lower holes of the foundation, turning all the foundation bolts and temporarily clamping all the foundation bolts in the pre-marked T-shaped head direction, placing a group of oblique sizing blocks on each base plate, lifting the base to about 1.5m away from the ground, cleaning the contact surface, lifting the base in place, adding corresponding spacer sleeves between the foundation bolts and the base holes to ensure that the clearance between the poured foundation bolts and the base holes is the same and the verticality of the foundation bolts, measuring the height between the exposed parts of the bolts and the base by using a measuring tape, adjusting the center and the levelness of the base by using the oblique sizing blocks below the jack and the base to meet the design and specification requirements, measuring by using a micrometer rod, ensuring that the deviation between the central lines of the two base and the reference line is not more than +/-1.0, 4m of flat rule and frame type level meter inspection is carried out, the levelness error of the base is not more than 0.5mm/m, and the elevation deviation of the two bases is not more than 0.05 mm;
s6: installing the housing frame, determining to adopt 75 tons of traveling cranes in the plant as hoisting equipment according to the arrangement condition of the hoisting equipment in the plant, the height of the plant, the weight of the housing frame and height parameters, and hoisting the housing frame in place by the hoisting equipment by wrapping two tubular lifting lugs of the housing frame;
s7: adjusting the memorial archway frames, after the two memorial archway frames are hoisted in place, firstly installing a top connecting beam in place, connecting the two memorial archway frames into a stable system, hanging a steel wire with the diameter of 0.4mm at the height position of a rolling line to form a longitudinal and transverse central line, adjusting the positions of the memorial archway frames by using two 16-ton jacks, checking the central deviation and the skew deviation of the two memorial archway frames by using a micrometer rod, adjusting and finely adjusting an inclined sizing block below a base to ensure that the verticality and the levelness of the memorial archway frames reach within the standard allowable deviation, checking a contact gap between the memorial archway frames and the top surface of the base by using a feeler gauge, checking the two-direction verticality of the memorial archway frames by using a wire hanging method, measuring the water height and the height difference of pressure upper cylinder supporting surfaces in windows of the two memorial archway frames by using a high-precision level gauge, a 4m flat gauge and a frame level gauge, and enabling errors to reach the standards by repeating the steps of adjusting and checking to ensure, connecting beams on two sides and the top of the memorial archway frame are installed and fastened in place, and then a base plate under the base is fixed in a spot welding mode to carry out secondary grouting;
s8: correcting a rolling mill set, namely correcting the coiling machine to a certain height, adjusting the coiling machine by using a flat base plate, wherein the base of the coiling machine is absolutely horizontal, all bolts are determined to be screwed down by the same torque during adjustment, the elevation and the level of the base of the coiling machine are adjusted by using 2 embedded hydraulic jacks, the coiling machine cannot move, and during adjustment, a dial gauge is used for observing whether the coiling machine moves or not;
s9: the installation of the rolling mill unit, according to the size of the anchor bolt hole of the uncoiler, the longitudinal central line of the uncoiler and the longitudinal central line of the train, the installation position of each backing plate is drawn on the basis, 3 square ear plates of 40 multiplied by 40/phi 16 are welded on 3 sides of each flat iron, the lines are drawn on the basis according to the ear plate hole positions, M12 expansion sleeve installation holes are punched, then according to the repeatedly measured basic elevation, screws with corresponding lengths are installed, each ear plate is fixed by 2 nuts, the flat iron is adjusted to the installation elevation by the control of a level gauge, the longitudinal and transverse levelness of the backing plate is controlled by a square level gauge, grouting is carried out under the backing plate, the longitudinal central line of the train and the longitudinal central line of the uncoiler are hung by a steel wire with the diameter of 0.4mm, the steel wire hanging method is the same as the hanging method in the installation of the housing, the longitudinal and transverse centers of the uncoiler are adjusted to the design height by inclined iron, pulling out the foundation bolt tightly, and through repeated fine adjustment of the inclined sizing block, the foundation nut and the horizontal deviation of the host machine, the center, the outer pendulum and the upward lifting of the reel reach the design requirements, and pouring is carried out on the reeling machine.
2. The installation method of a high-precision ultra-thin aluminum foil mill unit as claimed in claim 1, wherein the pre-pressing weight of the basic pre-pressing test is 1.2 times of the total weight of the mill unit.
3. The installation method of a high-precision ultra-thin aluminum foil mill unit as claimed in claim 1, wherein the errors of the installation longitudinal center line and the transverse center line from the horizontal reference line are not more than 0.5mm, and the error of the spacing between the transverse center lines of the foundation is not allowed to exceed 1 mm.
4. The method for installing a high-precision ultrathin aluminum foil mill unit as claimed in claim 1, wherein the method for installing the sizing block is an adjustable bolt sizing method, the sizing block is fixed on a base by a chemical anchor bolt, the level of the sizing block is adjusted by an adjusting nut, the error of the installed elevation is +/-0.5 mm, the level of the sizing block is checked by a frame type level meter, the elevation is checked by N3 and a matched indium steel ruler, and the top surface of the sizing block is used as the standard during the checking.
5. The installation method of a high-precision ultra-thin aluminum foil mill set as claimed in claim 1, wherein the grouting height is about 10mm to submerge the bottom surface of the base mortar leveling pad iron, the installation of equipment can be carried out after 12 hours of grouting, and the adjustment of the equipment can be carried out after 24 hours.
6. A high precision ultra thin aluminum foil mill set installation method as claimed in claim 1, characterized in that the hoisting is made of H200 x 8 x 14 hot rolled H-shape steel to make hanging beam, and 2 fiber core steel cables with diameter of 40mm 6 x 37(1770Mpa) are used for hoisting.
7. The installation method of a high-precision ultra-thin aluminum foil mill unit as claimed in claim 1, wherein the hanging of the center line is achieved by using lead weight and steel wire.
8. The installation method of a high-precision ultra-thin aluminum foil mill set according to claim 1, characterized in that the reel measurement control method is to use L50 x 5 angle steel to make a swing link, to hold the swing link tightly on the reel, and to measure 4 points of the reel by swinging the swing link, so as to control the center line of the uncoiler and the outward swinging and upward swinging of the reel to meet the design and specification requirements.
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