CN100526000C - Combination method mounting technique for ultra-large type steel converter - Google Patents
Combination method mounting technique for ultra-large type steel converter Download PDFInfo
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- CN100526000C CN100526000C CNB2007101919742A CN200710191974A CN100526000C CN 100526000 C CN100526000 C CN 100526000C CN B2007101919742 A CNB2007101919742 A CN B2007101919742A CN 200710191974 A CN200710191974 A CN 200710191974A CN 100526000 C CN100526000 C CN 100526000C
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Abstract
The invention relates to a combination method installation technology for an ultra large steel-smelting converter, belonging to the installation of steel-smelting devices, which is characterized in that respectively installing hydraulic presses and cylindrical safety cushion blocks on the upper portions of four vertical props of a supporting platform relatively to the chassis portions of bearing bases on the driving side and non driving side of the converter, installing pad beams which are respectively indentified with height marks of the chassis of the bearing bases and are integrated together on steel pillars or steel beams of the operational platform on the front of the converter, assembling three components of the converter on charging bays, suspending the three components on the hydraulic presses on the supporting platform and the pad beams which are provided with rolling rods and assembling integrally, regulating the hydraulic presses to make each supporting point with balance force, installing a winding engine and a main pulley block on the advancing end of a ladle car to drag the ladle car and the supporting platform, arranging a single-sheaved block on the driving lateral bearing base which is dragged by a line hook of a steel-melting bay, correcting directions by regulating the rolling rods, and slowly dragging the whole converter to the installation position of the steel-melting bay, which is safe and reliable, and has high effect and strong operability.
Description
Technical field
The invention belongs to steelmaking equipment and install, especially relate to a kind of installation of large-scale or ultra-large type steelmaking converter.
Background technology
Because it is big that large-scale or ultra-large type steelmaking converter has a volume, Heavy Weight, weigh after the assembling hundreds of ton even nearly kiloton, steel-making stride can not with driving directly lifting put in place, install large-scale at present both at home and abroad or the ultra-large type steelmaking converter generally adopts " sliding method " or " chassis method " to install; Sliding method: stride reinforced during assembling, with the three-major-items of reinforced large bridge crane of striding: backing ring and bearing block with revolving furnace body, furnace shell and converter transmission device are assembled into integral body, integral slipping is to making steel the installation site of striding then, adopt sliding method to install at Shanghai Baosteel stainless steel steel-making engineering transfer stove, but the steel column basis and the steel column of flushing and casting platform, girder steel all must strengthen the design load, must change the design of bearing base, strengthened construction investment, also there is security risk, so sliding method is installed large-scale or ultra-large type steelmaking converter, construction investment is big and have a security risk; Large-scale at present or ultra-large type steelmaking converter is installed the general ladle chassis method that adopts, promptly on the ladle chassis, set up support bed, but can only be with two big parts of the revolving furnace body that assembles: backing ring and bearing block and furnace shell, integral body moves to the installation site, poor stability when mobile can't be simultaneously be in place the transmission device of steelmaking converter.
Summary of the invention
The combined installation method that the purpose of this invention is to provide a kind of ultra-large type steelmaking converter solves the problem that large-scale or ultra-large type steelmaking converter is installed effectively, simple, safe and reliable, effect is high, workable.
The object of the present invention is achieved like this: a kind of combined installation method of ultra-large type steelmaking converter, be installed as the basis with the chassis method, be benchmark promptly with the converter center line, utilize the walking track of ± 0.00 ladle car, on two ladle cars on this walking track, support bed is set, it is characterized in that mounting support stand on ladle car, hydraulic press and cylindricality insurance cushion block are installed respectively at the top of four root posts of support bed, two outsides about the walking track, the position of the base of the transmission side of the converter of striding corresponding to steel-making and the bearing block of non-transmission side, on the steel column of intrinsic flushing and casting platform or girder steel, bearing beam is installed, adjusting pad is set with the adjusting pad depth of beam between bearing beam and steel column, bearing beam is consistent with the base absolute altitude of converter transmission side and non-transmission side bearing block respectively and fuse, rolling bar is set on bearing beam, and this rolling bar diameter is 50-60mm; Simultaneously, the cross support is established in weldering between adjacent two steel columns, this support can be 20#-30#H shaped steel, to increase the stability of steel column and operating platform, at the reinforced three-major-items of assembling revolving furnace body respectively of striding: backing ring and bearing block, furnace shell and converter transmission mechanism, respectively these three-major-items are lifted support bed then and be equipped with on the bearing beam of rolling bar and be assembled into converter integral body, the backing ring of converter is bearing on the hydraulic press at four root post tops, and the bearing block support of converter transmission side and non-transmission side is on the rolling bar above the bearing beam, make bearing beam stressed, adjust hydraulic press, make each supporting-point stress equalization, in addition, in the preceding inlet side of ladle car hoist engine and head pulley group are set, this hoist engine is 5t-8t, and the head pulley group is 30t-40t, the traction ladle car and on support bed, simultaneously establish the 10t-15t single-sheaved block at transmission side bearing block place, the driving main hook traction of striding with steel-making with the adjustment rolling bar direction of rectifying a deviation, slowly is drawn to converter integral body to make steel and strides on the installation site.
The combined installation method of ultra-large type steelmaking converter, its installation steps are as follows: 1, install to prepare: flushing and casting platform, bearing block base base point of installation and center target are buried underground, support bed is made, bearing beam is made, the bearing block base is installed and the torque arm base installs 2, assembling backing ring and bearing block 3, lifting backing ring and bearing block 4, furnace shell group pair with backing ring assembling 5, assemble the installation of transmission mechanism 6. integral shifts
Wherein
1, preparation is installed:
1.1, flushing and casting platform (see figure 2), remove and reserve backing ring, furnace shell and transmission mechanism assembling desired position, the steel column of intrinsic flushing and casting platform, girder steel must be in place, and ladle car walking track construction finishes under the stove, on this walking track ladle car are set; Two outsides about the walking track, the position of the base of the transmission side of the converter of striding corresponding to steel-making and the bearing block of non-transmission side on the steel column of intrinsic flushing and casting platform bearing beam is installed, but the stokehold steel column is treated could install after converter is in place.
1.2, bearing block base base point of installation and center target bury underground: be reference measurement converter mounting center and bury center target (see figure 3) underground with the factory building columns base center, datum grade with SURVEYING CONTROL NETWORK is that datum mark is buried datum mark underground, regularly settlement observation is carried out on the basis.
1.3, support bed makes
Force Calculation is installed in converter, make support bed according to the calculated data that each supporting-point is stressed, support bed making (see figure 4) is the support zone corresponding to backing ring 9, adopt four uniform roll-welding steel pipes of symmetry to make the square framework as column 5, thickness of steel pipe is 12-16mm, load onto at the equal balanced welding in upper and lower of column 5 in twos, sill 2,4, on, sill 2,4 is H shaped steel 30#-40#, on with one side, sill 2, the diagonal angle channel-section steel bearing diagonal 3 of welding strip plate respectively between 4, channel-section steel can be 20#-30#, make support bed form stable frame structure, then this support bed is welded on the base plate of two ladle cars 6 that afterbody docks, hydraulic press 1 and cylindricality insurance cushion block 12 is installed respectively in the upper end of each column 5.
1.4, bearing beam makes
Make bearing beam according to the calculated data that each supporting-point is stressed, bearing beam is made (see figure 5), and bearing beam 7 is rectangular I-steel structure weldment, and top board, base plate and web are steel plate, and thickness is 30-40mm, and the web both sides are the uniform gusset that is welded with of symmetry all.
1.5, the bearing block base installs
Annotate: the bearing block base is meant the bearing block base of converter transmission side and non-transmission side, describes below to be called for short the bearing block base
1.5.1, the bearing block base must conscientiously remove the burr on the base upper surface before installing, and marks base and cross centre line is installed and stamped foreign dotting punch, marks the concrete measuring position of placement level meter;
1.5.2, according to the target center of measure throwing in, the center coil holder is set, with drawing steel wire messenger wire drop method check mounting center, measure bearing block base installation absolute altitude and levelness with the N3 precision level;
1.5.3, bearing block base installation specification is as follows:
The bearing block base adopts no parallels that method is installed or has parallels that method is installed.
A, mobile, stiff end bearing block vertical, horizontal central limit deviation ± 1mm;
The centre-to-centre spacing L1 of b, diaxon bearing, L2 limit deviation ± 1mm, diagonal L 3, L4 deviation＜4mm;
Absolute altitude limit deviation ± the 5mm of c, bearing block axis, the diaxon bearing high and low poor＜1mm;
D, bearing block be≤0.1/1000 to the levelness tolerance in length and breadth, its incline direction furnace shell one side is suitable on the low side; The transverse horizontal degree is≤0.1/1000.
Centering is through after the assay was approved, at the mark of bearing block base subscript center line, so that after converter moves into place, and accurately contraposition.
1.5.4, bearing block base back-grouting
The surface of base water is rinsed well before a, the back-grouting;
Foundation bolt sleeve pipe winding flax silk suitable for reading 200mm before b, the back-grouting, and use the rubber slab capping, prevent that concrete from entering in the foundation bolt sleeve pipe; For guaranteeing that foundation bolt is in the center of base aperture, must be around foundation bolt and base aperture contact position choker block sheet, treat to extract pad again out after concrete reaches design strength after the back-grouting, tighten foundation bolt.
C, back-grouting material must be used the MG-40 material, during grouting concrete from base one end pour into, tamping, treating that the back-grouting material is discharged from steam vent can; After the intensity of back-grouting reaches designing requirement, unclamp jackscrew after, tighten the lower margin nut.
1.6, the installation of torque arm base
Adopt seat slurry method to place parallels, the torque arm device is installed parallels and is arranged (see figure 6),
The back-grouting of torque arm base device, treat that converter moves into place after, tangential keys are assembled, the torque arm base device with carry out after transmission mechanism is connected so that adjust absolute altitude is installed.
2, assembling backing ring and bearing block
2.1, backing ring 9 is because volume, weight are big, in reinforced assembling on on-the-spot corresponding in addition hydraulic press 1 that is provided with and the cylindricality insurance cushion block 12, welding backing ring 9 (see figure 7)s of striding, should guarantee during assembling that backing ring 9 placing directions are consistent with installation direction, after treating that backing ring 9 whole assembling welding finish, through after the assay was approved, carry out ball socketed bearing and bearing block assembling in the reinforced assembling place of striding.
2.2, ball socketed bearing assembling
2.2.1, want marking during the bearing block dismounting, check mark during assembling, notice that each sealing surface is coated with airtight and watertight padding, in case leak-stopping oil;
2.2.2, the assembling before should conscientiously see installation diagram, check whether complete, the not damaged of spare and accessory parts of assembling;
2.2.3, clean gudgeon and bearing, remove the burr on the gudgeon, with the external diameter of inside and outside micrometer or inside and outside clamp repetition measurement bearing bore diameter and axle journal, and, be placed on the axle journal in advance with the ring of bearing inboard;
2.2.4, adopt electrical heating oil bath method, make round oil groove electricity consumption heating bearing with δ=6mm steel plate, the oil temperature should be controlled in 100 ℃, about 2 hours of heat time heating time, when treating that temperature equalization is delivered to bearing, check bearing bore diameter with lining bar again, but when bearing reaches fitted position, hang out oil sump and assemble rapidly.
3, lifting backing ring and bearing block
After backing ring 9 is assembled with bearing block, directly lift with the crossbeam of reinforced inter-bank car owner hook on four hydraulic presses 1 and bearing beam 7 of support bed, select suspender for use according to hanging thing weight, cable wire is wrapped on the root both sides backing ring of gudgeon, two strands of cable wires of every side are with unloading the padlock jail;
The position that backing ring 9 and bearing block hang: should cross centre line be installed with bearing block and be as the criterion; On the bearing beam 7 at axial centre place, bearing block installation site, emit cross centre line, and make and move sign;
After backing ring 9 and bearing block hang onto on four hydraulic presses 1 of support bed and the bearing beam 7, four hydraulic presses, 1 synchronous jack-up on the column 5, with rolling bar 11 be placed on below the bearing block be bearing beam 7 above, adjust the weight that support bed column 5 and bearing beam 7 are respectively born with four hydraulic presses 1 then, 7 of bearing beams are born the weight that transmission mechanism promptly hangs the tooth case, allow cylindricality insure cushion block 12 and be 3-5mm, in case furnace shell 8 and transmission mechanism are assembled in hydraulic press 1 release then from backing ring 9.(seeing Fig. 8 and Fig. 8-1)
4, group is to furnace shell
5, furnace shell and backing ring assembling
5.1, furnace shell 8 lifting: the furnace bottom that assembles, body of heater middle part furnace shell weight are big, with reinforced driving main hook crossbeam lifting of striding, main suspender: four of 80t shackles, stress point everywhere, every 2 strands of cable wires, cable wire specification: Φ 60-6 * 37;
5.2, the gap and the modes of circle assembling in furnace shell 8 cylindricals and the backing ring 9, by the design drawing requirement, carry out according to the actual conditions at scene.
6, assembling transmission mechanism
6.1, transmission mechanism is the flexible transmissions of integral 4 point gearing, manufactory generally divides four: the gear wheel assembly, go up lower box and a transmission and torque arm device;
6.2, on ground with three: the gear wheel assembly, go up lower box and a transmission is assembled into one, with reinforced inter-bank car owner hook crossbeam, three integral body are sling, together pack on the ring trunnion, should remove the burr on gudgeon, the gear wheel axis hole before the assembling, with the external diameter of inside and outside micrometer repetition measurement shaft hole diameter and axle journal, guarantee to have the fit-up gap; Adjust levels with 2 20t chain blocks during lifting, notice that the tangential keys of gear wheel are consistent with ring trunnion, during suit, the driving main hook falls after rise wants accurate slow toward gudgeon on, and push up to lira or with the 50t jack inward with 10t tension cucurbit both sides;
6.3, transmission mechanism when assembling, notice that each sealing surface will be coated with fluid sealant, prevents leakage of oil according to the identity markings assembling;
6.4, the assembling of the two pairs of tangential keys is by figure, the gear wheel side is a positioning key, gudgeon side load key must not be adorned mistake; One auxiliary bond inclined-plane with 1:100 when assembling matches, two working faces match with the race working face in addition, grind pre-allowance: the every limit 0.15-0.2mm of two working faces of every key, to grind the back contact-making surface and be not less than 80%, tangential keys assembling optimum position is below ring trunnion;
6.5, the every pair of key leaves 2mm allowance when making, according to scene assembling back actual measurement size, determine allowance.
7. the converter integral shift is installed
Utilize ladle car 6 as mobile platform, four post support bed are established in weldering on two ladle cars 6, corresponding to the transmission side bearing block 14 of converter and the base of non-transmission side bearing block 10, two bearing beams 7 are installed on the steel column 13 of flushing and casting platform, bearing beam adds the height that the 20mm adjusting pad is adjusted bearing beam 7 for 7 times, and bearing beam 7 fuses with the bearing block base and keeps absolute altitude consistent; Stride the converter that assembles with large bridge crane reinforced, integral body is carried on the hydraulic press 1 of four root posts, 5 tops of support bed and on the rolling bar 11 of bearing beam 7, hoist engine and head pulley group 15 are installed in preceding inlet side at ladle car 6, utilize 5t-8t hoist engine and 30t-40t head pulley group 15 traction ladle cars 6 and on support bed, establish 10t-15t single-sheaved block group 16 simultaneously at transmission side bearing block 14 places, the driving main hook of striding with steel-making draws, with adjusting rolling bar 11 direction of rectifying a deviation, slowly being drawn to steel-making strides on the installation site, when converter moves to the installation site, be that bearing block cross centre mark is when overlapping with bearing block base mark, the welding link stopper, four 1 while of hydraulic press jack-up, to be placed on after rolling bar 11 below the bearing block withdraws from, four hydraulic presses 1 fall after rise simultaneously, fixed bearing block and revolving furnace body, and converter integral body moves into place (see figure 9).
The combined installation method of ultra-large type steelmaking converter proposed by the invention solves problem large-scale or that the ultra-large type steelmaking converter is installed effectively, and is simple, safe and reliable, workable, reduced installation fee, shortened the duration.
Now in conjunction with the accompanying drawings and embodiments the combined installation method of the ultra-large type steelmaking converter that the present invention carried is further described.
Description of drawings
Fig. 1 is the installation steps flow chart of the combined installation method of ultra-large type steelmaking converter.
Fig. 2 is a flushing and casting platform scheme of installation.
Fig. 3 is that bearing block base base point of installation and center target are buried the layout schematic diagram underground.
Fig. 4 is that support bed is made schematic diagram.
Fig. 5 is that bearing beam is made schematic diagram.
Fig. 6 is a torque arm ram pack layout drawing.
Fig. 7 is that group is to furnace shell and backing ring and bearing block assembling schematic diagram.
Fig. 8 is lifting backing ring and bearing block schematic diagram.
Fig. 8-the 1st, B enlarged diagram among Fig. 8.
Fig. 9 is a converter integral shift scheme of installation.
Among Fig. 4: 1, hydraulic press 2, entablature 3, bearing diagonal 4, sill 5, column 6, ladle car
Among Fig. 5: 7, bearing beam
Among Fig. 7: 8, protective case 9, backing ring
Among Fig. 8: 10, non-transmission side bearing block 11, rolling bar 13, steel column 14, transmission side bearing block
Fig. 8-1:12, insurance cushion block
Among Fig. 9: 15, head pulley group 16, single-sheaved block group
The specific embodiment
Embodiment: 2 300t converters in the horse steel newly developed area of undertaking the construction of by China No.17 Metallurgy Construction Co., Ltd, in construction, adopt combination installation method to install, there be the reinforced of large bridge crane to stride in the factory building, with the converter three-major-items: backing ring and bearing block: 302t, furnace shell and " VAI " Con Link three-link hitch: 260t and transmission mechanism: 130t, be assembled into converter integral body, gross weight; 692t; The whole support of converter is in support bed and add on the bearing beam of rolling bar; Chassis is that ladle car moves with 5t hoist engine and the traction of 30t head pulley group, and transmission side bearing block place is drawn to steel-making jointly and strides on the converter installation site with 10t single-sheaved block group and the traction of steel-making inter-bank car owner hook, and the converter integral installation is in place.
First converter 13:00 on October 20th, 2006 begins to stride from feeding in raw material mobile, and 13:40 all moves on to steel-making reposefully and strides on the furnace axis bearing position base, only uses 40 minutes; Second converter 15:00 on December 22nd, 2006 begins to stride from feeding in raw material mobile, and 15:38 all moves on on the furnace axis bearing position base reposefully, only uses 38 minutes, and the ratio of precision that once moves into place increases for the first time; Do not have security incident in the work progress, the fastest record is moved in the wound converter, and installation quality is good, and the converter current production status is good.
Combination Method for Installation installing converter has the following advantages:
1. safe and reliable: the combination Method for Installation is installed the 300t converter and is compared with the chassis method, has overcome at moving rotating Shaking phenomenon in the stove process; It is the load of ladle car that the bearing beam of combined method has not only been shared chassis, and And stable and safety effect have been played; Adopt the electric oil pressure machine, the load of each stress point that can evenly distribute, Converter moving process safety and reliability.
2. simple: as not need to resemble and considered by design department the sliding method: the base of flushing and casting platform Plinth, steel column and girder steel all will strengthen Design cooling load, the design of change bearing base; Saved construction investment, Simple, workable.
3. work efficiency height: the converter transmission mechanism that assembles is moved into place simultaneously, avoided striding branch in steel-making The sheet assembling also need be set up the hard work of hoisting machine tool, owing to adopted the sassafras that rubs that rolls, makes mobile more province Power, translational speed is fast, has shortened the duration.
4. installation accuracy height: the rolling bar that arranges on the bearing beam of combination Method for Installation, make the adjustment center more convenient, The mounting center error is little.
5, economic benefit height: reduced installation fee.
Claims (3)
1, a kind of combined installation method of ultra-large type steelmaking converter, it is characterized in that mounting support stand on ladle car, hydraulic press and cylindricality insurance cushion block are installed respectively at the top of four root posts of support bed, two outsides about the walking track, the position of the base of the transmission side of the converter of striding corresponding to steel-making and the bearing block of non-transmission side, on the steel column of intrinsic flushing and casting platform or girder steel, bearing beam is installed, adjusting pad is set with the adjusting pad depth of beam between bearing beam and steel column, bearing beam is consistent with the base absolute altitude of converter transmission side and non-transmission side bearing block respectively and fuse, rolling bar is set on bearing beam, simultaneously, the cross support is established in weldering between steel column and operating platform, to increase the stability of operating platform and steel column, at the reinforced three-major-items of assembling revolving furnace body respectively of striding: backing ring and bearing block, furnace shell and converter transmission mechanism, respectively these three-major-items are lifted support bed then and be equipped with on the bearing beam of rolling bar and be assembled into converter integral body, the backing ring of converter is bearing on the hydraulic press at four root post tops and the bearing block support of converter transmission side and non-transmission side on the rolling bar above the bearing beam, make bearing beam stressed, adjust hydraulic press, make each supporting-point stress equalization, in addition, hoist engine and head pulley group are installed in preceding inlet side at ladle car, the traction ladle car and on support bed, simultaneously establish single-sheaved block at transmission side bearing block place, the driving main hook of striding with steel-making draws, adjust the rolling bar direction of rectifying a deviation, converter integral body slowly is drawn to steel-making strides on the installation site;
The installation steps of the combined installation method of ultra-large type steelmaking converter are as follows:
(1), preparation is installed: flushing and casting platform, bearing block base base point of installation and center target are buried underground, support bed is made, bearing beam is made, the bearing block base is installed and the torque arm base is installed;
(2), assembling backing ring and bearing block;
(3), lifting backing ring and bearing block;
(4), furnace shell group pair and backing ring assembling;
(5), assembling transmission mechanism;
(6), integral shift is installed;
Wherein
Install and prepare:
The flushing and casting platform: remove and reserve backing ring, furnace shell and transmission mechanism assembling desired position, ladle car walking track construction finishes under the stove; Two outsides about the walking track, bearing beam is installed in the position of the base of the transmission side of the converter of striding corresponding to steel-making and the bearing block of non-transmission side on the steel column of intrinsic flushing and casting platform;
Support bed is made: Force Calculation is installed in converter, make support bed according to the calculated data that each supporting-point is stressed; The support bed making is to make the square framework corresponding to uniform four roll-welding steel pipes of support zone employing symmetry of backing ring (9) as column (5), thickness of steel pipe is 12-16mm, load onto at the equal balanced welding in upper and lower of column (5) in twos, sill (2,4), on, sill (2,4) be H shaped steel, on with one side, sill (2,4) the diagonal angle channel-section steel bearing diagonal (3) of welding strip plate respectively between, make support bed form stable frame structure, then support bed is welded on the base plate of two buggy ladles (6) that afterbody docks, hydraulic press (1) and cylindricality insurance cushion block (12) is installed respectively in the upper end of each column (5);
Bearing beam is made: make bearing beam according to the calculated data that each supporting-point is stressed, bearing beam (7) is rectangular I-steel structure weldment, and top board, base plate and web are steel plate, and thickness is 30-40mm, and the web both sides are the uniform gusset that is welded with of symmetry all;
Assembling backing ring and bearing block:
Go up assembling, welding backing ring (9) at reinforced hydraulic press (1) and cylindricality insurance cushion block (12) of striding on-the-spot corresponding setting in addition, should guarantee during assembling that backing ring (9) placing direction is consistent with installation direction, after treating that the whole assembling welding of backing ring (9) finish, through after the assay was approved, carry out ball socketed bearing and bearing block assembling in the reinforced assembling place of striding;
Lifting backing ring and bearing block:
Backing ring (9) uses the crossbeam of reinforced inter-bank car owner hook directly to lift on four hydraulic presses (1) and bearing beam (7) of support bed after assembling with bearing block, selects suspender for use according to hanging thing weight; Cable wire is wrapped on the root both sides backing ring of gudgeon, and two strands of cable wires of every side are with unloading the padlock jail;
The position that bearing block and backing ring (9) hang: should cross centre line be installed with bearing block and be as the criterion; On the bearing beam (7) at axial centre place, bearing block installation site, emit cross centre line, and make and move sign;
Bearing block and backing ring (9) hang onto after four hydraulic presses (1) of support bed and bearing beam (7) go up, four hydraulic presses (1) on the column (5) are jack-up synchronously, with rolling bar (11) be placed on below the bearing block be bearing beam (7) above, the weight of using four hydraulic presses (1) adjustment support bed column (5) and bearing beam (7) respectively to bear then, bearing beam (7) is only born the weight that transmission mechanism promptly hangs the tooth case, allow the insurance cushion block (12) be 3-5mm from backing ring (9), in case furnace shell (8) and transmission mechanism are assembled in hydraulic press (1) release then;
The converter integral shift is installed: utilize ladle car (6) as mobile platform, go up weldering at two ladle cars (6) and establish four post support bed, corresponding to the transmission side bearing block (14) of converter and the base of non-transmission side bearing block (10), steel column on the flushing and casting platform (13) is gone up two bearing beams (7) is installed, add the 20mm adjusting pad under the bearing beam (7) and adjust the height of bearing beam (7), bearing beam (7) fuses with the bearing block base and keeps absolute altitude consistent; Stride the converter that assembles with large bridge crane reinforced, the hydraulic press (1) that integral body is carried on four root posts (5) top of support bed go up and the rolling bar (11) of bearing beam (7) on, hoist engine and head pulley group (15) are installed in preceding inlet side at ladle car (6), utilize 5t-8t hoist engine and 30t-40t head pulley group (15) traction ladle car (6) and on support bed, simultaneously locate to establish 10t-15t single-sheaved block group (16) at transmission side bearing block (14), the driving main hook of striding with steel-making draws, adjust rolling bar (11) direction of rectifying a deviation, slowly be drawn to steel-making and stride on the installation site; When converter moves to the installation site, when promptly bearing block cross centre mark overlaps with bearing block base mark, the welding link stopper, four hydraulic presses (1) are jack-up simultaneously, will be placed on after rolling bar (11) below the bearing block withdraws from; Four hydraulic presses (1) fall after rise simultaneously, fixed bearing block and revolving furnace body.
2, the combined installation method of ultra-large type steelmaking converter according to claim 1 is characterized in that the H shaped steel of upper and lower crossbeam (2,4) is 30#-40#.
3, the combined installation method of ultra-large type steelmaking converter according to claim 1, the channel-section steel that it is characterized in that bearing diagonal (3) is 20#-40#.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101919742A CN100526000C (en) | 2007-12-28 | 2007-12-28 | Combination method mounting technique for ultra-large type steel converter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101919742A CN100526000C (en) | 2007-12-28 | 2007-12-28 | Combination method mounting technique for ultra-large type steel converter |
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| CN101215615A CN101215615A (en) | 2008-07-09 |
| CN100526000C true CN100526000C (en) | 2009-08-12 |
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