CN109604346A - Mill housing integral demounting and the construction method of resettlement - Google Patents
Mill housing integral demounting and the construction method of resettlement Download PDFInfo
- Publication number
- CN109604346A CN109604346A CN201811285827.6A CN201811285827A CN109604346A CN 109604346 A CN109604346 A CN 109604346A CN 201811285827 A CN201811285827 A CN 201811285827A CN 109604346 A CN109604346 A CN 109604346A
- Authority
- CN
- China
- Prior art keywords
- mill housing
- construction method
- basis
- crossbeam
- integral demounting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
- B66C1/66—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof
Abstract
The present invention relates to a kind of mill housing integral demounting and the construction methods of resettlement, comprising: is supported reinforcing to the basis according to the carrying figure on basis according to the position of the supporting leg presser feet of mill housing；The method for being wherein supported reinforcing to the basis includes: dismounting saddle, exposes basis, and the height difference on the basis and ground is paved using crossbeam；Support post is set in the lower section of every crossbeam, is laid with plate in the top of every crossbeam；At the lower part entrance end of the mill housing, multiple lifting lugs are set；Hanging device is connected with lifting lug, lifts by crane the mill housing.The present invention is conducive to shorten construction period, reduces construction cost.
Description
Technical field
The present invention relates to the technical fields of metallurgical machinery equipment installation, refer in particular to a kind of mill housing integral demounting and remove
The construction method moved.
Background technique
In recent years, as Environmental protection, energy-saving and emission-reduction, urban planning requirement are higher and higher, original construction is in big city
Metallurgical steel mill in city starts to be shifted, and the engineering that the protective demolition strange land of metallurgical equipment is rebuild gets up, and gives me
Smelting build people and bring new project and opportunity.
The SKS integral moving of Shanghai Krupp stainless steel Co., Ltd is to Fuan City, Fujian Province, the original three mill machines of SKS
Group production line also arranges herein.Its structural shape of 1# mill is monoblock type memorial archway, western mark's manufacture.2#3# milling train is up and down
Memorial archway structural shape, Sen Dewei manufacture.Memorial archway is gradually installed after the conventional installation accurate adjustment according to monomer memorial archway of mill memorial archway
On the attachmentes such as screw-down, roll forming machine structure, roll line adjustment mechanism.Since mill is the high tip of metallurgy industry, height
Precision, the equipment of high-quality, the precision and performance of the equipment after how realizing resettlement, also face a challenge.
Mill grassroot project, according to the setting of workshop lifting equipment and the structure type on milling train basis, milling train board
The usual manner that the lifting in mill uses in place has the duplicate rows vehicle in workshop to lift, has the side of dedicated hydraulic moving lifting device lifting
Formula first descends memorial archway to adjust in place when to the installation of upper and lower memorial archway pattern, is installing four guide posts and upper memorial archway, to upper and lower memorial archway essence
Four guide posts are locked after tune, and attachment on the machines such as pressure, rolling, roller shape is finally installed again；Installation to monoblock type memorial archway, is first completed
The accurate adjustment of memorial archway, with seperated memorial archway equally on fitting machine attachment, complex steps, operating procedure be complicated, each portion's installation accuracy
It is required that high.In SKS relocation project engineering, if installation is removed and resetted using decomposition, workload is unimaginable, based on use
In the factors such as abrasion, micro-strain, rigging error consider, it is most important that original installation accuracy grade cannot be fully achieved.
In order to overcome the above problem, tearing open when Chinese invention patent (105776022A) discloses a kind of resettlement of mill housing
Discharging method, including memorial archway are removed: after removing foundation bolt double nut, driving is slowly hooked up with one grade of gear, and observation tonnage is shown
Device stops raising when numerical value reaches memorial archway tonnage 90%；Memorial archway and rolling mill base are taken off using hydraulic jack in the lower section of memorial archway
After 5~10mm, continue raising driving, after completely disengaging height of the rolling mill base beyond work roll changing basis, walking
Base bits are cheated in trolley to roll change；Memorial archway fell: after memorial archway is hung to roll change hole tooling position, being rotated by 90 °, on the inside of memorial archway downwards, delays
Slow back hook allows on the outside of memorial archway bottom and falls in tooling；Driving is with one grade of gear crawl back hook, and slowly walking simultaneously, utilizes board
Mill center of gravity and supporting point misplace and generate centre-of gravity shift, tilt memorial archway, and guarantee that steel wire rope hook is vertical, until memorial archway is put
?；It was put down after falling and is hung to temporary storage point, carry out storage packaging.Although the above-mentioned removal for solving mill housing, it is pacified
Difficulty during dress is big, causes construction efficiency low.
Summary of the invention
For this purpose, difficulty of construction is big technical problem to be solved by the present invention lies in overcoming in the prior art, lead to low efficiency
The problem of, so that it is small and effectively improve the mill housing integral demounting of construction efficiency and the construction of resettlement to provide a kind of difficulty of construction
Method.
In order to solve the above technical problems, a kind of mill housing integral demounting of the invention and the construction method of resettlement, including
Following steps: the basis is supported and is added according to the carrying figure on basis according to the position of the supporting leg presser feet of mill housing
Gu；The method for being wherein supported reinforcing to the basis includes: dismounting saddle, exposes basis, by the basis and ground
Height difference is paved using crossbeam；Support post is set in the lower section of every crossbeam, is laid with plate in the top of every crossbeam；?
Multiple lifting lugs are arranged in the lower part entrance end of the mill housing；Hanging device is connected with lifting lug, lifts by crane the mill housing.
In one embodiment of the invention, the hanging device utilizes truck crane.
In one embodiment of the invention, the supporting leg difference erect-position of the truck crane is in entrance coil car saddle base
Position on plinth.
In one embodiment of the invention, the extending direction of the support post and the extending direction of the crossbeam are mutual
Vertically.
In one embodiment of the invention, the crossbeam uses fashioned iron, and the support post uses seamless steel pipe, described
Plate uses thick steel plate.
In one embodiment of the invention, the lifting lug is axial lifting lug, and quantity is four.
In one embodiment of the invention, the axial lifting lug is fixed on the portion that cushion cap is had on the mill housing
Position.
The present invention also provides a kind of construction methods of mill housing resettlement, including milling train board described in above-mentioned any one
The construction method of mill integral demounting, and after the lifting mill housing, the mill housing is mounted on transport base.
In one embodiment of the invention, the bottom section of the mill housing is inverted trapezoidal.
In one embodiment of the invention, the bottom size phase interworking of the size of the pedestal and the mill housing
It closes.
The above technical solution of the present invention has the following advantages over the prior art:
Mill housing integral demounting of the present invention and the construction method of resettlement, including being supported reinforcing to the basis
Method, and reinforcement means includes: dismounting saddle, exposes basis, and the height difference on the basis and ground is paved using crossbeam,
Not only supporting leg presser feet erect-position had been met, but also has met vehicle and pass through requirement；Support post is set in the lower section of every crossbeam, in every crossbeam
Top be laid with plate, make Land leveling, uniform load, by being supported reinforcings to the basis, it is also ensured that dismantle
When original installation accuracy grade.
Detailed description of the invention
In order to make the content of the present invention more clearly understood, it below according to specific embodiments of the present invention and combines
Attached drawing, the present invention is described in further detail, wherein
Fig. 1 is the construction method flow chart of mill housing disassembly of the present invention.
Specific embodiment
Embodiment one
As shown in Figure 1, including the following steps: step S1 the present embodiment provides a kind of construction method of mill housing integral demounting:
Reinforcing is supported to the basis according to the carrying figure on basis according to the position of the supporting leg presser feet of mill housing；Wherein to institute
Stating the method that basis is supported reinforcing includes: dismounting saddle, exposes basis, and the height difference on the basis and ground is utilized crossbeam
It is paved；Support post is set in the lower section of every crossbeam, is laid with plate in the top of every crossbeam；Step S2: described
Multiple lifting lugs are arranged in the lower part entrance end of mill housing；Step S3: hanging device is connected with lifting lug, lifts by crane the milling train board
Mill.
The construction method of mill housing integral demounting described in the present embodiment includes the following steps: in the step S1, according to
The position of the supporting leg presser feet of mill housing is supported reinforcing to the basis, to be conducive to tear open according to the carrying figure on basis
Whole stability when unloading；The method for being wherein supported reinforcing to the basis includes: dismounting saddle, exposes basis, by institute
The height difference for stating basis and ground is paved using crossbeam, has not only met supporting leg presser feet erect-position, but also meet vehicle and pass through requirement；Every
Support post is arranged in the lower section of root crossbeam, is laid with plate in the top of every crossbeam, makes Land leveling, uniform load, by right
The basis is supported reinforcing, it is also ensured that original installation accuracy grade when disassembly；In the step S2, rolled described
Multiple lifting lugs are arranged in the lower part entrance end of machine memorial archway, to be conducive to integrally hang out the mill housing；The step S3
In, hanging device is connected with lifting lug, lifts by crane the mill housing, removes and resets installation due to avoiding to decompose, reduce
It removes, the cumbersome workload of installation, greatly improves construction efficiency, shorten construction period, reduce construction cost, ensure that
The original operating status of equipment and precision, are truly realized the construction mode of compensatory replacement of demolished housing.
The hanging device utilizes truck crane.Specifically, since plant floor lifting equipment is disposed with more drivings, driving
The equal 40/10t of lifting capacity is not able to satisfy the weight that duplicate rows vehicle lifts memorial archway entirety, examines from duration, cost, efficiency, place synthesis
Consider, 300t truck crane selected to be lifted, construction safety is reliable, speed is fast and milling train machine on the internal original state of holding.
According to mill housing outer dimension and total weight and selected truck crane outer dimension, large arm height, the radius of gyration,
Entrucking drop off location, and the larger position of original base bearing capacity is utilized as far as possible, determine truck crane erect-position position, it is ensured that meet big
Force request of the type truck crane in load.The supporting leg difference erect-position of the truck crane is on the basis of entrance coil car saddle
Position.Specifically, it is basement structure around milling train, locally there is real basis, selectes the position needs pair of truck crane supporting leg
The top plate bearing capacity of corresponding site is calculated, and reinforcing need to be supported to bearing capacity position is not able to satisfy, according to project overview
And the situation at scene, basement roof with a thickness of 1 meter, have real basis, side wall at the coil car saddle of milling train inlet/outlet side
Thickness is 1.0 meters and 1.2 meters；Selected truck crane QAY300 net weight 120t, counterweight 84t, suspension hook and 1.87 tons of rope, rack when lifting
120 tons, 325.87 tons of gross weight, gravity 3258.7kN.Accurately calculated and drawn simulation, and truck crane supporting leg distinguishes erect-position in out
Position on the basis of entrance coil car saddle.
The extending direction of the support post and the extending direction of the crossbeam are mutually perpendicular to, to advantageously ensure that ground
Smooth, uniform load；And the bottom plate fortress is real, must not have hanging.The crossbeam uses fashioned iron, such as H300 fashioned iron；The branch
It supports column and uses seamless steel pipe, such as use 273 × 8 seamless steel pipe of φ；The plate uses thick steel plate.
The lifting lug is axial lifting lug, and quantity is four.The axial lifting lug is fixed on the mill housing and has
The position of cushion cap.Specifically, according to mill housing structure chart and outer dimension, consider stability, the memorial archway of hoisting mill housing
Under conditions of guide post locked hydraulic cylinder mustn't carry memorial archway self weight, it is arranged four at the mill housing lower part entrance end and hangs
Point, the lifting rope four piece wirerope isometric using customization.Axial lifting lug of the lifting lug using the blank processing of forging, lifting lug
Inside carries out non-destructive testing, the position using the mill housing with cushion cap, and axial lifting lug is high-strength with 10.9 grades of 6 M30
In bolt fastening to the mill housing.
Embodiment two
The present embodiment provides a kind of construction methods of mill housing resettlement, including the entirety of mill housing described in embodiment one
The construction method of disassembly, and after the lifting mill housing, the mill housing is mounted on transport base.
The construction method of the resettlement of mill housing described in the present embodiment, including mill housing integral demounting described in embodiment one
Construction method, and after lifting by crane the mill housing, the mill housing is mounted on transport base, to be conducive to transport
The mill housing.Specifically, the mill housing and the pedestal, the pedestal and transport sweep are consolidated with bolt
It is fixed, and the pedestal section steel manufacture.
In order to guarantee the stability of transport, the bottom section of the mill housing is inverted trapezoidal.The size of the pedestal with
The bottom size of the mill housing cooperates, to be conducive to for the mill housing after lifting being mounted on transport base.
Obviously, the above embodiments are merely examples for clarifying the description, does not limit the embodiments.For
For those of ordinary skill in the art, other different form variations can also be made on the basis of the above description or are become
It is dynamic.There is no necessity and possibility to exhaust all the enbodiments.And obvious variation extended from this or change
It moves still within the protection scope of the invention.
Claims (10)
1. a kind of construction method of mill housing integral demounting, which comprises the steps of:
Step S1: the basis is supported and is added according to the carrying figure on basis according to the position of the supporting leg presser feet of mill housing
Gu；The method for being wherein supported reinforcing to the basis includes: dismounting saddle, exposes basis, by the basis and ground
Height difference is paved using crossbeam；Support post is set in the lower section of every crossbeam, is laid with plate in the top of every crossbeam；
Step S2: multiple lifting lugs are set at the lower part entrance end of the mill housing；
Step S3: hanging device is connected with lifting lug, lifts by crane the mill housing.
2. the construction method of mill housing integral demounting according to claim 1, it is characterised in that: the hanging device utilizes
Truck crane.
3. the construction method of mill housing integral demounting according to claim 2, it is characterised in that: the supporting leg of the truck crane
Position of the erect-position on the basis of entrance coil car saddle respectively.
4. the construction method of mill housing integral demounting according to claim 1, it is characterised in that: the support post prolongs
It stretches direction and the extending direction of the crossbeam is mutually perpendicular to.
5. the construction method of mill housing integral demounting according to claim 4, it is characterised in that: the crossbeam uses type
Steel, the support post use seamless steel pipe, and the plate uses thick steel plate.
6. the construction method of mill housing integral demounting according to claim 1, it is characterised in that: the lifting lug hangs for shaft type
Ear, and quantity is four.
7. the construction method of mill housing integral demounting according to claim 6, it is characterised in that: the axial lifting lug is fixed
The position of cushion cap is had on the mill housing.
8. a kind of construction method of mill housing resettlement, it is characterised in that: including being rolled described in any one of claim 1-7
The construction method of machine memorial archway integral demounting, and after the lifting mill housing, the mill housing is mounted on transport base.
9. the construction method of mill housing resettlement according to claim 8, it is characterised in that: the bottom of the mill housing is cut
Face is inverted trapezoidal.
10. the construction method of mill housing resettlement according to claim 8, it is characterised in that: the size of the pedestal and institute
The bottom size for stating mill housing cooperates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811285827.6A CN109604346A (en) | 2018-10-31 | 2018-10-31 | Mill housing integral demounting and the construction method of resettlement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811285827.6A CN109604346A (en) | 2018-10-31 | 2018-10-31 | Mill housing integral demounting and the construction method of resettlement |
Publications (1)
| Publication Number | Publication Date |
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| CN109604346A true CN109604346A (en) | 2019-04-12 |
Family
ID=66003034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811285827.6A Pending CN109604346A (en) | 2018-10-31 | 2018-10-31 | Mill housing integral demounting and the construction method of resettlement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479766A (en) * | 2019-08-17 | 2019-11-22 | 中国有色金属工业第六冶金建设有限公司 | One kind removing conveying method for finishing mill Global Macros |
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| JPH07206372A (en) * | 1994-01-13 | 1995-08-08 | Kawasaki Steel Corp | Suspension tool for roll for vertical type rolling machine |
| CN101664762A (en) * | 2009-09-11 | 2010-03-10 | 上海同济宝冶建设机器人有限公司 | Ultra-large type memorial archway side-standing rotating installation technology |
| CN102039315A (en) * | 2009-10-23 | 2011-05-04 | 中冶天工建设有限公司 | Method for installing large conical puncher device |
| CN103496631A (en) * | 2013-09-29 | 2014-01-08 | 中冶陕压重工设备有限公司 | Method for vertically hanging rolling mill housing |
| CN108131018A (en) * | 2017-12-21 | 2018-06-08 | 北京首钢建设集团有限公司 | A kind of large mill housing installation and the construction method removed |
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2018
- 2018-10-31 CN CN201811285827.6A patent/CN109604346A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07206372A (en) * | 1994-01-13 | 1995-08-08 | Kawasaki Steel Corp | Suspension tool for roll for vertical type rolling machine |
| CN101664762A (en) * | 2009-09-11 | 2010-03-10 | 上海同济宝冶建设机器人有限公司 | Ultra-large type memorial archway side-standing rotating installation technology |
| CN102039315A (en) * | 2009-10-23 | 2011-05-04 | 中冶天工建设有限公司 | Method for installing large conical puncher device |
| CN103496631A (en) * | 2013-09-29 | 2014-01-08 | 中冶陕压重工设备有限公司 | Method for vertically hanging rolling mill housing |
| CN108131018A (en) * | 2017-12-21 | 2018-06-08 | 北京首钢建设集团有限公司 | A kind of large mill housing installation and the construction method removed |
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| 武彦增: "轧机牌坊吊装的新突破——记河北新金1450冷轧工程轧机牌坊吊装", 《科技创新与应用》 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479766A (en) * | 2019-08-17 | 2019-11-22 | 中国有色金属工业第六冶金建设有限公司 | One kind removing conveying method for finishing mill Global Macros |
| CN110479766B (en) * | 2019-08-17 | 2021-07-30 | 中国有色金属工业第六冶金建设有限公司 | Integral protective dismantling and moving method for finishing mill |
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Application publication date: 20190412 |
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