CN106865414B - A kind of combined hanging installation method of Con casting ladle revolving platform - Google Patents
A kind of combined hanging installation method of Con casting ladle revolving platform Download PDFInfo
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- CN106865414B CN106865414B CN201710138238.4A CN201710138238A CN106865414B CN 106865414 B CN106865414 B CN 106865414B CN 201710138238 A CN201710138238 A CN 201710138238A CN 106865414 B CN106865414 B CN 106865414B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
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Abstract
The present invention is a kind of combined hanging installation method of Con casting ladle revolving platform, belongs to construction techniques, it is characterized in that:Utilize the advantage that terrace in workshop is open, it will assemble and finish outside the section components line of ladle turret on the ground, using the component of slide device transfer ladle turret, the component of ladle turret is hung using lifting with shoulder pole, prevent Concrete Leakage into the sleeve of foundation bolt using leakage-resistant device, using the molten steel that is set in workshop receive across driving and casting across driving lift each component lifting of ladle turret jointly in place, its construction procedure is as follows:Step 1: the setting of fixed frame and the installation of anchoring piece:Step 2: the preparation of foundation base slurry, sets slide device, Step 3: the base of lifting ladle turret, Step 4: installation revolving body, Step 5: assembling, installation top rotary support, Step 6: installation annex;Progress is fast, precision is high, improves construction efficiency, reduces construction cost.
Description
Technical field
The invention belongs to construction techniques, is specifically related to a kind of installation method of Con casting ladle revolving platform.
Background technology
It is most also generally the most common key for carrying steel ladle and casting in existing continuous casting that ladle turret, which is,
Mechanical equipment, the ladle turret are arranged on the top of conticaster casting position, are to be connected molten steel to receive to set with the transfer cast
It is standby;The ladle turret is by base, revoliving arm, driving device, revolving support, emergency actuation control system, lubricating system and anchor
Six part of firmware forms, and is received since it be located at molten steel across centre position of the casting between, can not directly using reception across
Or casting is independently lifted across the driving in workshop, how to be installed ladle turret using most easy, rational combined hanging method
It is the control stress point of construction and installation in place;At present, on ladle turret combined installation method, Chinese utility model patent
(on 2 9th, the 2011 Patent No. CN201020208246.5 announced) " hoisting device for ladle revolving platform " is on the books, but this is special
Profit mainly introduces the frequent use that driving is saved by the setting of suspension centre, effectively cost-effective, is not also complete ladle
The patent of the installation method of revolving platform.
The content of the invention
The purpose of the present invention proposes that a kind of combination of Con casting ladle revolving platform is hung aiming at defect existing in the prior art
Assembly/installation method, during the partial installation of ladle turret, takes into account ground and is assembled into sub-assembly, solve in ladle turret
Difficulty is lifted caused by lifting position is limited in installation process, not only Hoisting Security is reliable, but also improves progress, essence
Degree, reduces construction cost.
The object of the present invention is achieved like this:A kind of combined hanging installation method of Con casting ladle revolving platform, it is special
Sign is:Using the advantage that terrace in workshop is open, it will assemble finish outside the section components line of ladle turret on the ground, use
Slide device transfers the component of ladle turret, the component of ladle turret is hung using lifting with shoulder pole, using antiseep
Device prevents Concrete Leakage into the sleeve of foundation bolt, using the molten steel set in workshop receive across driving and casting across
Driving lift jointly the lifting of each component of ladle turret is in place, its construction procedure is as follows:
Step 1: the setting of fixed frame and the installation of anchoring piece:(see Fig. 1)
Anchoring piece 1 is the basis that whole ladle turret is fixedly mounted, and anchoring piece 1 is to be inlaid in ladle to turn round according to design
In the concrete foundation 4 of platform, so before anchoring piece 1 is installed, it should first set according to design requirement, make consolidating for anchoring piece 1
Determine device i.e. fixed frame 2, which is the steel structure support being welded at the scene, and the fixed frame 2 is mainly by rectangular setting
Four supporting legs and diagonal brace are welded, and the size requirements of this fixed frame 2 are:The height of fixed frame 2 is setting for the bottom of anchoring piece 1
Difference of height between the concrete platform 4-1 base surfaces of meter height and supporting and mounting bracket 2 (i.e. upper plane), the upper of fixed frame 2 are put down
The size in face is suitable with the size of 1 baseplane of anchoring piece;
Go out center line using theodolite measuring, be labeled on the base surface of concrete platform 4-1, surveyed in advance using spirit level
This fixed frame 2, is installed on the base of the concrete platform 4-1 of ladle turret by the making height of the fixed frame 2 of processing needed for going out
On plinth face, the center line of the center line and anchoring piece 1 of fixed frame 2 is consistent, the flatness of the upper surface of centering fixed frame 2,
Make height difference, the design requirement of flatness that it meets that anchoring piece 1 is installed, after centering, begin to lifting anchoring piece 1;
Before lifting, vertical, horizontal center line is released using theodolite on anchoring piece 1, aligns the bolt hole on anchoring piece 1
3, according to design requirement centering, the height difference of levelling anchoring piece 1, flatness, centering, it is levelling after the completion of, by anchoring piece 1 and fixed frame
2 is integrally welded;
Step 2: the preparation of foundation base slurry, sets slide device:(see Fig. 2)
After the concreting that top floor is completed during civil engineering and reaching concrete design strength, carry out ladle and return
The setting of the seat slurry plastic sheet on turntable basis, the quantity of this seat slurry plastic sheet is consistent with the quantity of bolt hole 3, the length of this seat slurry plastic sheet
Degree, width, thickness and gradient make according to design requirement, length x width can be used to be 300 ㎜ × 200 for this seat slurry plastic sheet
㎜, thickness are not less than the backing plate group of 20mm, and the gradient of this seat slurry plastic sheet can be 1:20;
In casting across setting slide device 6 on the step surface on the right side of concrete platform 5, which includes base, solid
Fixed board, sliding plate and pull winding plant (hoist engine 12 and pulley blocks), base is set on step surface, on base spot welding set
Fixed plate is put, the upper plane of the upper surface of this fixed plate and the concrete foundation 4 of ladle turret is flush, and is set in fixed plate
Sliding plate is put, be welded otic placode with holes on sliding plate, the coating lubricating oil between fixed plate and sliding plate, in favor of equipment
The sliding in place of (component of ladle turret), receives across installing hoist engine 12 and pulley blocks in concrete foundation in molten steel, should
Steel wire rope on hoist engine 12 is connected with the otic placode on sliding plate, and hoist engine 12 pulls sliding plate and part of appliance sliding, should
Base can be made of H350 shaped steel, and the fixed plate, sliding plate can be the rectangular steel plates that thickness is 40mm;
Step 3: the base of lifting ladle turret:(see Fig. 3)
First make and lift with shoulder pole 10, to make and lift with shoulder pole 10 in advance before the base 7 of lifting ladle turret,
This is lifted includes forward and backward main beam, left and right double longeron, upper lifting lug and lower lifting lugs with shoulder pole 10, and forward and backward main beam, left and right is double
Longeron group is welded into H profile steel truss type steel structure beam, and in the section of the both sides of forward and backward main beam it is corresponding be welded on lifting lug, under hang
Ear, it can be that 10m, width can be 2m that this, which is lifted with the length of shoulder pole 10,;
It will be lifted first with casting inter-bank car owner hook 9 and be hoisted to casting across on concrete platform 5 from ground with shoulder pole 10,
And two centre positions between (receive across, casting across) are placed on, casting inter-bank car owner hook 9 is recycled by ladle turret
Base 7 is hoisted to casting across on the sliding plate of the slide device 6 on concrete platform 5, and is put according to the installation direction of design
Good position;
Using installed in molten steel receive across hoist engine 12 and corresponding pulley blocks pull sliding plate, shift base 7
Positioned at two underfaces between the crane beam of (receive across, casting across), using receiving inter-bank car auxiliary hook 8 and casting inter-bank car owner
Lifting is lifted with shoulder pole 10 hook 9 jointly, and makes to lift horizontal with 10 holding of shoulder pole, lifts the lower part with 10 both sides of shoulder pole section herein
Lower lifting lug is provided with, this lower lifting lug lifting connection corresponding with the lifting lug on base 7 of steel wire rope 11, will receive inter-bank car auxiliary hook
8 hang 200mm high, after observation checks that change normal, without exception is hung in examination, have continued with 9 synchronous ascending of casting inter-bank car owner hook, first examination
Hang, stop rising after the sling height of the bottom surface of base 7 is higher by the upper surface 500mm of the concrete foundation 4 of base 7, then
It will receive the 9 synchronous decline of inter-bank car auxiliary hook 8 and casting inter-bank car owner hook, base 7 and the bolt hole 3 on anchoring piece 1 is corresponding just
Position, centering base 7, makes the center line on base 7 and absolute altitude meets design requirement and corresponding with the bolt hole 3 on anchoring piece 1,
After, each foundation bolt 13 is penetrated, screws on spacer for bolt 14 and nut 15, according to the rules symmetrically pretension foundation bolt 13,
Then shed and lifted with shoulder pole 10 using the cooperation for inter-bank car owner hook 9 of casting;
According to design requirement, cannot be filled in the sleeve of the foundation bolt 13 of ladle turret into slurry, before carrying out back-grouting,
After foundation bolt 13 is tightened, the leakage-resistant device of horizontal inserting concrete on the upper surface of the sleeve of foundation bolt 13
16, which includes left containment flaps and right containment flaps, and the left containment flaps, the structure of right containment flaps are identical
And opposite installation, the left containment flaps, right containment flaps offer the ∪ shape grooves of opening, and this ∪ shape groove portion is overlapped mutually bag
Residence foot bolt 13, after leakage-resistant device is installed, carries out the construction of secondary grout layer 17, secondary grout layer 17 is according to rule
Fan Yingcheng freely trickles state, can be flowed into the gap between base 7 and anchoring piece 1 without human assistance, treat back-grouting
When the intensity of layer 17 reaches the 75% of design strength, foundation bolt 13, the floor installation knot of ladle turret are twisted eventually according to standard
Beam;(see Fig. 4)
Step 4: installation revolving body:(see Fig. 5)
The revolving body 18 of ladle turret is seated on base 7, and base 7 and revolving body 18 are found before lifting
Corresponding mark point, the mark point are to be set before manufacturing process is dispatched from the factory by manufacturing firm, utilize inter-bank car owner hook 9 of casting
Revolving body 18 is hoisted to casting across on the sliding plate on the slide device 6 on concrete platform 5, and according to the installation side of design
To putting good position;
Using installed in molten steel receive across hoist engine 12 and corresponding pulley blocks pull sliding plate, move revolving body 18
Positioned at two underfaces between the crane beam of (receive across, casting across), using receiving inter-bank car auxiliary hook 8 and casting inter-bank car owner
Lifting is lifted with shoulder pole 10 hook 9 jointly, and makes to lift horizontal with 10 holding of shoulder pole, is lifted with the lower lifting lug of 10 lower part of shoulder pole with hanging
Dress is connected with steel wire rope 11 with the lifting lug on revolving body 18, will receive 9 synchronization onwards of inter-bank car auxiliary hook 8 and casting inter-bank car owner hook
Rise, 200mm high is hung in first examination, after observation checks that change normal, without exception is hung in examination, continues to lift by crane, as of the bottom surface of revolving body 18
Hang after height is higher by the upper surface 300mm of base 7 and stop rising, will then receive inter-bank car auxiliary hook 8 and casting inter-bank car owner hook 9
It is synchronous to decline, revolving body 18 is moved in place to base 7, according to design, centering revolving body 18, after penetrate bolt, screw on
Spacer for bolt and nut, symmetrically tighten bolt according to the rules, then, using the cooperation for inter-bank car owner hook 9 of casting, shed and lift
With shoulder pole 10;
Step 5: assembling, installation top rotary support:
The top rotary support 25 of the ladle turret is mainly by bearing I 19, bearing II 20, support arm I 21 and support
Arm II 22 forms, while corresponding be welded temporary support I 23 (four) and temporary support II on top rotary support 25
24 (two pieces), due to all loose mails of arrival, to improve installation effectiveness, at the construction field (site) by bearing I 19, bearing 2 II on ground
20th, support arm I 21 and the assembling of support arm II 22 are integral;In view of the demand of lifting, in the bearing I 19 and bearing positioned at both sides
II 20 bottom is welded temporary support I 23, by the upper end of temporary support I 23 and support arm I 21 and support arm II 22
Bottom is connected, and the lower end of temporary support I 23 is connected with the base of bearing I 19, bearing II 20, this temporary support I 23
As bearing diagonal, using bearing I 19, bearing 2 II 20, support arm I 21 and support arm II are supported by temporary support I 23
22;Seamless steel pipe is welded between support arm I 21 and support arm 22 again as temporary support II 24, an entirety is formed, is somebody's turn to do
Temporary support I 23 can be made using H350 shaped steel, which can use diameter × wall thickness as the ㎜'s of 400 ㎜ × 12
Seamless steel pipe is made;(see Fig. 6)
After the top rotary support 25 assembles, shoulder pole for hoisting 10 is penetrated in top rotary support 25, profit
The top rotary support 25 is hoisted to casting across on the slide device 6 on concrete platform 5 with casting inter-bank car owner hook 9
On sliding plate, and good position is put according to the installation direction of design.
Using molten steel receive across hoist engine 12 and corresponding pulley blocks pull sliding plate, make top rotary support 25
Positioned at two underfaces between the crane beam of (receive across, casting across), using receiving inter-bank car auxiliary hook 8 and casting inter-bank car owner
Lifting is lifted with shoulder pole 10 hook 9 jointly, and makes to lift horizontal with 10 holding of shoulder pole, will be lifted and be used with the lower lifting lug of 10 lower part of shoulder pole
Lifting is connected with steel wire rope 11 with the lifting lug on top rotary support 25, will receive inter-bank car auxiliary hook 8 and casting inter-bank car
9 synchronous ascending of main hook, first examination hang 200mm high, after observation checks that change normal, without exception is hung in examination, continue to lift by crane, when top is turned round
The sling height of the bottom surface of supporter 25 stops rising after being higher by the upper surface 300mm of revolving body 18, then, will receive inter-bank car
The 9 synchronous decline of auxiliary hook 8 and casting inter-bank car owner hook, top rotary support 25 is moved in place to revolving body 18, centering finishes
After penetrate bolt, screw on spacer for bolt and nut, symmetrically tighten bolt, then, inter-bank car owner hook 9 coordinates using casting, and sheds
Lift and use shoulder pole 10;(see Fig. 7)
Step 6: installation annex:(see Fig. 8)
The annex of ladle turret includes hydraulic cylinder 26 (two sets), trailing arm 27 (four) and protection thermal insulation board 28 (two pieces),
Receive inter-bank car auxiliary hook 8 and the independent lifting region of inter-bank car owner hook 9 of casting since the installation position of above-mentioned component is completely in
It is interior, directly lifted in place using inter-bank car auxiliary hook 8 and casting inter-bank car owner hook 9 is received.
A kind of combined hanging installation method of Con casting ladle revolving platform proposed by the invention has following major advantage:
Reduce the use of installation procedure and driving, reduce working at height, security performance is high.
Lift convenient, fast, effectively increase installation progress, precision, save the duration.
A kind of combined hanging installation method of Con casting ladle revolving platform proposed by the invention, takes full advantage of two across (connecing
Receive across, casting across) cooperation of driving, assembled component is outer online, using new sliding, lifted technology, it is convenient and efficient,
Cost is low, efficient, highly practical.
A kind of combined hanging of Con casting ladle revolving platform proposed by the invention is installed with reference to embodiment and attached drawing
Method is further described.
Brief description of the drawings
Fig. 1 is the ladle turret in a kind of combined hanging installation method of Con casting ladle revolving platform proposed by the invention
Anchoring piece scheme of installation.
Fig. 2 be slide device in a kind of combined hanging installation method of Con casting ladle revolving platform proposed by the invention just
Position schematic diagram.
Fig. 3 is the ladle turret in a kind of combined hanging installation method of Con casting ladle revolving platform proposed by the invention
The lifting schematic diagram of base.
Fig. 4 is the ladle turret in a kind of combined hanging installation method of Con casting ladle revolving platform proposed by the invention
The installation centering schematic diagram of base.
Fig. 5 is the ladle turret in a kind of combined hanging installation method of Con casting ladle revolving platform proposed by the invention
The installation centering schematic diagram of revolving body.
Fig. 6 is the ladle turret in a kind of combined hanging installation method of Con casting ladle revolving platform proposed by the invention
The assembling schematic diagram of top rotary support.
Fig. 7 is the ladle turret in a kind of combined hanging installation method of Con casting ladle revolving platform proposed by the invention
The lifting schematic diagram of top rotary support.
Fig. 8 is the ladle turret in a kind of combined hanging installation method of Con casting ladle revolving platform proposed by the invention
The lifting schematic diagram of annex.
In Fig. 1~Fig. 8:
1st, anchoring piece 2, fixed frame 3, bolt hole 4, concrete foundation 4-1, concrete platform 5, casting are across concrete
Platform 6, slide device 7, base 8, receive inter-bank car auxiliary hook 9, casting inter-bank car owner hook 10, lift with shoulder pole 11, steel
Cord 12, hoist engine 13, foundation bolt 14, spacer for bolt 15, nut 16, leakage-resistant device 17, secondary grout layer
18th, revolving body 19, bearing I 20, bearing II 21, support arm I 22, support arm II 23, temporary support I 24, interim branch
Support II 25, top rotary support 26, hydraulic cylinder 27, trailing arm 28, protection thermal insulation board
Embodiment
A kind of combined hanging installation method of Con casting ladle revolving platform proposed by the present invention, uses Mr. Yu steel mill four in 2012
Steel rolls supporting continuous casting project, is the installation of 300t ladle turrets, this ladle turret maximum can hold up 900t's altogether at the same time
Weight, equipment monomer weight are 334t, and the receiving of the workshop is across 500 tons of drivings of installation, and the casting of the workshop is across 170 tons of rows of installation
Car, it is as follows that Con casting ladle revolving platform lifts construction procedure in place:
Step 1: the setting of fixed frame and the installation of anchoring piece:
1. first making the fixed frame (2) of anchoring piece as shown in Figure 1, this fixed frame (2) is lifted to mixed after completing
On solidifying soil platform (4-1), the upper surface of centering fixed frame (2), makes it meet the height difference of anchoring piece (1) installation, planarity requirements,
Centering finishes post-reinforcing.
Start to lift anchoring piece (1) after intensity reaches requirement 2. finishing after platform concreting;Anchored before lifting
Part releases vertically and horizontally center line on (1), aligns the bolt hole of anchoring piece (1) upper surface, centering, levelling anchoring piece (1), after the completion of
Anchoring piece (1) and fixed frame (2) welding are linked to be entirety.
Step 2: the preparation of foundation base slurry, setting slide device:
1. as shown in Figure 1, proceed by ladle after civil engineering completes the pouring and reach intensity of top floorslab concrete and return
The setting of the seat slurry plastic sheet on turntable basis.
2. as shown in Figure 2, in casting across on laying slide device (6) on concrete platform (5), the slide device (6)
Fixed plate and ladle turret concrete foundation upper planes align.Step 3: the base of lifting ladle turret:
Lifted 1. as shown in Figure 3, first being made before lifting with shoulder pole (10)
2. as shown in Figure 3, with casting across 170 tons drive a vehicle main hooks will lift with shoulder pole (10) from ground be hoisted to casting across
On concrete platform (5), and two are placed on across the centre position of (receive across, casting across).
3. the base (7) of ladle turret is hoisted to casting by main hook of as shown in Figure 3, being driven a vehicle using casting across 170 tons
Across on the sliding plate of the slide device (6) on concrete platform (5), and good position is put according to installation direction.
4. as shown in Figure 3, using slide device (6), make the base (7) of ladle turret positioned at two across (receive across, pour
Cast across) crane beam immediately below.
5. lift as shown in Figure 3, is lifted jointly across 170 tons of driving main hooks across 500 tons of driving auxiliary hooks and casting using receiving
Hang and use shoulder pole (10), lifted ladle turret base (7) in place with steel wire rope (11) using lifting.
6. as shown in Figure 4, penetrating foundation bolt (13) after centering, spacer for bolt (14) and nut (15) are screwed on,
Symmetrical pretension foundation bolt (13);After tightening, concrete anti-seepage is horizontally inserted into the upper surface of foundation bolt (13) sleeve
Leakage device (16), after installing, carries out the construction of secondary grout layer (17), secondary grout layer (17) should be in fluid state.Treat
After the intensity of secondary grout layer (17) reaches the 75% of design strength, foundation bolt (13), the base (7) of ladle turret are twisted eventually
Installation terminates.
Step 4:Revolving body is installed:(see Fig. 5)
The revolving body 18 of ladle turret is seated on base 7, and base 7 and 18 phase of revolving body are found before lifting
Corresponding sign point, using casting across 170 tons driving main hooks by revolving body 18 be hoisted to casting across the cunning on concrete platform 5
On the sliding plate of moving device 6, and good position is put according to the installation direction of design, then draw sliding plate, revolving body 18 is moved
Position to two across the centre position of (receive across, casting across) crane beam, next using receive across 500 tons of driving auxiliary hooks and casting across
Lifting is lifted with shoulder pole 10 and revolving body 18, ensuing specific installation exercise process and step 3 170 tons of driving main hooks jointly:
It is basically identical to lift the operation process of base, revolving body 18 is lifted in place.
Step 5: assembling, installation top rotary support:
The top rotary support 25 of the ladle turret is by bearing I 19, bearing II 20, support arm I 21 and support arm II
22 compositions, while corresponding be welded temporary support I 23 (four) and temporary support II 24 (two on top rotary support 25
Part), due to all loose mails of arrival, to improve installation effectiveness, at the construction field (site) by bearing I 19, bearing II 20, support on ground
Arm I 21 and the assembling of support arm II 22 are integral;In view of the demand of lifting, in the bearing I 19 positioned at both sides and bearing II 20
Bottom is welded temporary support I 23, and the bottom of temporary support I 23 is connected with bearing I 19, bearing II 20 respectively, on
End is connected with support arm I 21 and support arm II 22 respectively, then the seamless steel that is welded between support arm I 21 and support arm II 22
Pipe forms an entirety, which is made of H350 shaped steel, the temporary support as temporary support II 24
II 24 are made of seamless steel pipe of the diameter × wall thickness by the ㎜ of 400 ㎜ of φ × 12;(see Fig. 6)
After the top rotary support 25 assembles, shoulder pole for hoisting 10 is penetrated in top rotary support 25, profit
With casting across 170 tons driving main hooks by the top rotary support 25 be hoisted to casting across on concrete platform 5 sliding fill
Put on 6 sliding plate, and good position is put according to the installation direction of design, then draw sliding plate, by top revolving support group
Zoarium 25 slides onto two across the centre position of (receive across, casting across) crane beam, next using receiving across 500 tons of driving auxiliary hooks
Across 170 tons of driving main hooks, lifting is lifted with shoulder pole 10 and top revolving support assembly 25, specific lifting work jointly with casting
Industry process and step 3:It is basically identical to lift the operation process of base, top revolving support assembly (25) is lifted in place.
Step 6: installation annex:
As shown in figure 8, main hooks are driven a vehicle respectively by hydraulic cylinder across 170 tons across 500 tons of driving auxiliary hooks or casting using receiving
(26), trailing arm (27) and protection thermal insulation board (28) lifting are in place.
In the construction process, by the use of the combined hanging installation method of Con casting ladle revolving platform, using sliding method,
Face construction from part and the methods of lifting method, the duration is greatly saved, reduces construction personnel's working at height risk, installation quality is obvious
Improve, only save duration, the use of work equipment and manually, direct economic benefit is up to 21.5 ten thousand yuan, and in the control of installation accuracy
Higher than national standard, and can be carried out under production status while construction, while produce, do not influence normally to produce, obtain the consistent accreditation of owner.
Claims (7)
1. a kind of combined hanging installation method of Con casting ladle revolving platform, it is characterized in that:Using the advantage that terrace in workshop is open,
The section components line of ladle turret is assembled outside on the ground and is finished, the component of ladle turret is transferred using slide device,
The component of ladle turret is hung using lifting with shoulder pole, prevents Concrete Leakage into foundation bolt using leakage-resistant device
In sleeve, using the molten steel that is set in workshop receive across driving and casting across driving lift each of ladle turret jointly
Component lifting is in place, its construction procedure is as follows:
Step 1: the setting of fixed frame and the installation of anchoring piece:
Anchoring piece (1) is the basis that whole ladle turret is fixedly mounted, and anchoring piece (1) is the coagulation for being inlaid in ladle turret
In earth foundation (4), so before installation anchoring piece (1), the fixed frame (2) of anchoring piece (1) should be first set, make, this is fixed
Frame (2) is the steel structure support being welded at the scene, which is mainly welded by four supporting legs and diagonal brace of rectangular setting
Form, the size requirements of this fixed frame (2) are:The height of fixed frame (2) is that the height of the bottom of anchoring piece (1) and support are fixed
Difference of height between the base surface of the concrete platform (4-1) of frame (2), the size of the upper plane of fixed frame (2) and anchoring
The size of part (1) baseplane is suitable;
Go out center line using theodolite measuring, be labeled on the base surface of concrete platform (4-1), measured in advance using spirit level
This fixed frame (2), is installed on the concrete platform (4-1) of ladle turret by the making height of the fixed frame (2) of required processing
On base surface, the center line of the center line and anchoring piece (1) of fixed frame (2) is consistent, the upper surface of centering fixed frame (2)
Flatness, makes it meet the requirement of the height difference, flatness of anchoring piece (1) installation, after centering, begins to lifting anchoring piece
(1);
Before lifting, vertical, horizontal center line is released using theodolite on anchoring piece (1), aligns the bolt hole on anchoring piece (1)
(3), centering, height difference, the flatness of levelling anchoring piece (1), centering, it is levelling after the completion of, anchoring piece (1) and fixed frame (2) are welded
It is connected into one;
Step 2: the preparation of foundation base slurry, sets slide device:
After the concreting that top floor is completed during civil engineering and reaching concrete strength, ladle turret basis is carried out
Seat slurry plastic sheet setting, the quantity of the seat slurry plastic sheet is consistent with the quantity of bolt hole (3);
Slide device (6) is set on the step surface cast on the right side of concrete platform (5), which includes H profile steel
Base, fixed plate, sliding plate and hoist engine (12) and pulley blocks, set H profile steel base, on H profile steel base on step surface
The upper plane of spot welding setting fixed plate, the upper surface of this fixed plate and the concrete foundation (4) of ladle turret is flush, solid
Sliding plate is set on fixed board, and be welded otic placode with holes on sliding plate, the coating lubricating oil between fixed plate and sliding plate, with profit
In the sliding in place of the component of ladle turret, receive in molten steel across installation hoist engine (12) and pulley blocks in concrete foundation,
Steel wire rope on the hoist engine (12) is connected with the otic placode on sliding plate, and hoist engine (12) pulls sliding plate and ladle turret
Parts slide;
Step 3: the base of lifting ladle turret:
First make and lift with shoulder pole (10), to make to lift in advance before the base (7) of lifting ladle turret and use shoulder pole
(10), this is lifted includes forward and backward main beam, left and right double longeron, upper lifting lug and lower lifting lugs with shoulder pole (10), by forward and backward main beam,
The double longeron groups in left and right are welded into H profile steel truss type steel structure beam, and corresponding be welded is hung oneself in the section of the both sides of forward and backward main beam
Ear, lower lifting lug;
It will be lifted first with casting inter-bank car owner hook (9) and be hoisted to casting across concrete platform (5) from ground with shoulder pole (10)
On, and be placed on and receive across, centre position of the casting between, casting inter-bank car owner hook (9) is recycled by ladle turret
Base (7) is hoisted on the sliding plate on slide device (6), and puts good position according to installation direction;
Using installed in molten steel receive across hoist engine (12) and corresponding pulley blocks pull sliding plate, make base (7) shift
In receive across, casting across crane beam between underface, using receive inter-bank car auxiliary hook (8) and cast inter-bank car owner hook (9)
Common lifting is lifted with shoulder pole (10), and is made to lift and kept horizontal with shoulder pole (10), is lifted herein with shoulder pole (10) both sides section
Lower part is provided with lower lifting lug, this lower lifting lug lifting is connected with steel wire rope (11) is correspondings with the lifting lug on base (7), will receiving across
200mm high is hung in driving auxiliary hook (8) and casting inter-bank car owner hook (9) synchronous ascending, first examination, and it is normal, without exception that observation checks that examination is hung
After change, continue to lift by crane, when the sling height of the bottom surface of base (7) is higher by concrete foundation (4) upper surface of base (7)
Stop rising after 500mm, will then receive inter-bank car auxiliary hook (8) and casting inter-bank car owner hook (9) synchronously declines, by base (7)
It is corresponding with the bolt hole (3) on anchoring piece (1) in place, after centering base (7), each foundation bolt (13) is penetrated, screws on spiral shell
Bolt gasket (14) and nut (15), symmetrically pretension foundation bolt (13), are then unloaded using the cooperation for inter-bank car owner hook (9) of casting
Go to lift with shoulder pole (10);
It cannot be filled in the sleeve of the foundation bolt (13) of ladle turret into slurry, before carrying out back-grouting, when foundation bolt (13)
After tightening, the leakage-resistant device (16) of horizontal inserting concrete on the upper surface of the sleeve of foundation bolt (13), this is anti-
Leak device (16) includes left containment flaps and right containment flaps, and the left containment flaps, the structure of right containment flaps be identical and phase
To installation, the left containment flaps, right containment flaps offer the ∪ shape grooves of opening, and this ∪ shape groove portion is overlapped mutually and is encased
Foundation bolt (13), after leakage-resistant device is installed, carries out the construction of secondary grout layer (17), secondary grout layer (17) should
In state of freely trickling, it can be flowed into the gap between base (7) and anchoring piece (1) without human assistance, treat back-grouting
When the intensity of layer (17) reaches the 75% of concrete strength, stubborn foundation bolt (13), the floor installation of ladle turret terminate eventually;
Step 4: installation revolving body:
The revolving body (18) of ladle turret is seated on base (7), and base (7) and revolving body are found before lifting
(18) corresponding mark point, the mark point are to be set before manufacturing process is dispatched from the factory by manufacturing firm, utilize inter-bank car of casting
Revolving body (18) is hoisted on the sliding plate on slide device (6) by main hook (9), and puts good position according to installation direction;
Using installed in molten steel receive across hoist engine (12) and corresponding pulley blocks pull sliding plate, make revolving body (18) move
Positioned at receive across, casting across crane beam between underface, using receive inter-bank car auxiliary hook (8) and cast inter-bank car owner's hook
(9) common lifting is lifted with shoulder pole (10), and is made to lift and kept horizontal with shoulder pole (10), is lifted and is hung with shoulder pole (10) lower part
Ear is connected with lifting with steel wire rope (11) with the lifting lug on revolving body (18), will receive inter-bank car auxiliary hook (8) and casting inter-bank
Car owner's hook (9) synchronous ascending, first examination hang 200mm high, after observation checks that change normal, without exception is hung in examination, continue to lift by crane, work as revolution
The sling height of the bottom surface of body (18) stops rising after being higher by the upper surface 300mm of base (7), will then receive inter-bank car auxiliary hook
(8) synchronously decline with casting inter-bank car owner hook (9), revolving body (18) is mobile in place to base (7), and centering revolving body (18) is complete
Bi Hou, penetrates bolt, screws on spacer for bolt and nut, symmetrically tightens bolt, then, utilizes inter-bank car owner hook (9) of casting
Coordinate, shed and lift with shoulder pole (10);
Step 5: assembling, installation top rotary support:
The top rotary support (25) of the ladle turret mainly by bearing I (19), bearing II (20), support arm I (21) and
Support arm II (22) forms, while corresponding be welded four temporary supports I (23) and two pieces on top rotary support (25)
Temporary support II (24), due to all loose mails of arrival, to improve installation effectiveness, at the construction field (site) by bearing I on ground
(19), bearing II (20), support arm I (21) and support arm II (22) assembling are integral;In view of the demand of lifting, positioned at two
The bearing I (19) of side and the bottom of bearing II (20) are welded temporary support I (23), by the upper end of temporary support I (23)
It is connected with the bottom of support arm I (21) and support arm II (22), by the lower end of temporary support I (23) and bearing I (19), branch
The base of II (20) of seat is connected, this temporary support I (23) becomes bearing diagonal, using bearing I (19), bearing II (20), leads to
Temporary support I (23) is crossed to support support arm I (21) and support arm II (22), then in support arm I (21) and support arm II
(22) seamless steel pipe is welded between as temporary support II (24), forms an entirety;
After the top rotary support (25) assembles, shoulder pole for hoisting (10) is penetrated in top rotary support (25),
Using casting, the top rotary support (25) is hoisted on the sliding plate on slide device (6) by inter-bank car owner hook (9), and is pressed
Good position is put according to installation direction;
Using molten steel receive across hoist engine (12) and corresponding pulley blocks pull sliding plate, make top rotary support (25)
Positioned at receive across, casting across crane beam between underface, using receive inter-bank car auxiliary hook (8) and cast inter-bank car owner's hook
(9) common lifting is lifted with shoulder pole (10), and is made to lift and kept horizontal with shoulder pole (10), will be lifted with shoulder pole (10) lower part
Lifting lug is connected with lifting with steel wire rope (11) with the lifting lug on top rotary support (25), will receive inter-bank car auxiliary hook (8)
With casting inter-bank car owner hook (9) synchronous ascending, first examination is hung 200mm high, after observation checks that change normal, without exception is hung in examination, is continued
Lifting, after the sling height of the bottom surface of top rotary support (25) is higher by the upper surface 300mm of revolving body (18) in stopping
Rise, then, will receive inter-bank car auxiliary hook (8) and casting inter-bank car owner hook (9) synchronously decline, top rotary support (25) to time
It is in place to turn (18) movement, bolt is penetrated after centering, screws on spacer for bolt and nut, symmetrically tightens bolt, then, utilizes
The cooperation of casting inter-bank car owner hook (9), sheds and lifts with shoulder pole (10);
Step 6: installation annex:
The annex of ladle turret includes two sets of hydraulic cylinders (26), four trailing arms (27) and two pieces protection thermal insulation board (28), due to
The installation position of two sets of hydraulic cylinders (26), four trailing arms (27) and two pieces protection thermal insulation board (28), which is completely in, receives inter-bank car pair
In hook (8) or casting inter-bank car owner hook (9) independent lifting region, using receiving inter-bank car auxiliary hook (8) or casting inter-bank car owner
Hook (9) directly lifts in place.
A kind of 2. combined hanging installation method of Con casting ladle revolving platform according to claim 1, it is characterised in that this seat
Starch backing plate the use of length x width is the ㎜ of 300 ㎜ × 200, thickness be not less than the backing plate group of 20mm, the gradient of this seat slurry plastic sheet is
1:20。
A kind of 3. combined hanging installation method of Con casting ladle revolving platform according to claim 1, it is characterised in that the H-type
Steel base is made of H350 shaped steel.
4. the combined hanging installation method of a kind of Con casting ladle revolving platform according to claim 1, it is characterised in that this is solid
Fixed board, sliding plate are the rectangular steel plates that thickness is 40mm.
A kind of 5. combined hanging installation method of Con casting ladle revolving platform according to claim 1, it is characterised in that the lift
To hang with the length of shoulder pole (10) be 10m, width 2m.
6. the combined hanging installation method of a kind of Con casting ladle revolving platform according to claim 1, it is characterised in that this faces
When supporting rack I (23) be made of H350 shaped steel.
7. the combined hanging installation method of a kind of Con casting ladle revolving platform according to claim 1, it is characterised in that this faces
When supporting rack II (24) be made of seamless steel pipe of the diameter × wall thickness by the ㎜ of 400 ㎜ × 12.
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CN107285199A (en) * | 2017-06-30 | 2017-10-24 | 上海二十冶建设有限公司 | The fast hoisting method of billet caster bale panoramic tables |
CN108080617A (en) * | 2017-12-20 | 2018-05-29 | 中国二冶集团有限公司 | For the construction method of ladle turret overall pulling down |
CN110642146B (en) * | 2018-06-27 | 2020-10-23 | 上海梅山钢铁股份有限公司 | Method for improving alignment precision of casting crane and continuous casting ladle revolving platform |
CN110080278B (en) * | 2019-04-22 | 2020-10-23 | 中国一冶集团有限公司 | Method for embedding annular foundation frame of bale rotary table |
CN110373512B (en) * | 2019-08-16 | 2021-03-02 | 中国十七冶集团有限公司 | Combined installation method of converter dry dedusting equipment |
CN112692269A (en) * | 2020-12-23 | 2021-04-23 | 中国十九冶集团有限公司 | Bale rotary table installation method |
CN114346632B (en) * | 2022-01-10 | 2022-11-01 | 新余钢铁股份有限公司 | Method for installing and resetting swing arm of continuous casting ladle turret |
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JPH0761765A (en) * | 1993-08-31 | 1995-03-07 | Kumagai Gumi Co Ltd | Overhead traveling crane and its material holding device |
CN101284628B (en) * | 2008-05-30 | 2010-12-08 | 中冶京唐建设有限公司 | Hoisting method for framework of large tonnage pressing machine |
CN201458582U (en) * | 2009-05-26 | 2010-05-12 | 北京首钢建设集团有限公司 | Ladle turret bay transverse movement hoisting tool |
CN103663142B (en) * | 2013-12-31 | 2015-07-22 | 太原重工股份有限公司 | Tailing mechanism and translation tailing hoisting method |
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