CN101831916B - Method for mounting large-size sleeve bolt framework in combined type - Google Patents
Method for mounting large-size sleeve bolt framework in combined type Download PDFInfo
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- CN101831916B CN101831916B CN2010101332006A CN201010133200A CN101831916B CN 101831916 B CN101831916 B CN 101831916B CN 2010101332006 A CN2010101332006 A CN 2010101332006A CN 201010133200 A CN201010133200 A CN 201010133200A CN 101831916 B CN101831916 B CN 101831916B
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Abstract
The invention relates to a method for mounting a large-size sleeve bolt framework in a combined type. The method specifically comprises the following steps of: reserving a horizontal construction seam on a bottom plate of a rotating furnace foundation; pre-embedding an angle cleat in the construction seam to connect with a fixing frame stand column; manufacturing a large-size sleeve bolt framework in a processing factory and assembling and welding a large-size sleeve bolt fixing frame by using the fixing frame stand column formed by profile steel, a longitudinal and transverse trimming beam, a transverse load-bearing beam, a heavy frame, a connecting frame, an inclined connecting frame support and a sleeve bolt side wall framework; welding and mounting a large-size sleeve bolt on the large-size sleeve bolt framework; conveying the large-size sleeve bolt framework to a site, hoisting into the rotating furnace foundation by using a hoist, aligning to be in position, mounting and welding; binding by using reinforcing steel bars; and carrying out concrete pouring on the rotating furnace foundation. The method guarantees the mounting precision of the bolt and the safety of constructors and reduces the cost. By adopting the invention, the mounting work of a trunnion sleeve bolt framework structure of an optimized Jiugang steel making RH (Rockwell Hardness) rotating furnace foundation is constructed, and after concrete pouring is finished, the centers and elevations of all bolts conform to requirements.
Description
Technical field
The present invention relates to a kind of job practices of joint seal of flanges of large-sized gas pipeline of blast furnace.
Background technology
Converter is the requisite engineering ingredient of steel mill line of production technology; Basis converter mainly bears the weight of converter self and molten iron; The general height of basis converter is more than 7m, because of the weight of bearing is big, so main employing is large-size sleeve bolt; Converter belongs to equipment class installs, so the requirement of bolt installation accuracy is high especially.The conventional method that the basis converter large-size sleeve bolt is installed is: erection bolt fixed mount on the cage of reinforcement that has tied up, large-size sleeve bolt is installed on fixed mount then.
The shortcoming of this mounting method is: cage of reinforcement is uneven; Big at work high above the ground erection bolt fixed mount and large-size sleeve bolt operation easier; The installation accuracy of bolt is difficult to reach code requirement, installs to converter installation and brings very big difficulty, causes sizable economic loss.After weighing apparatus steel two steelmaking converters basis large-size sleeve bolt is installed, the displacement phenomenon appears, and install to equipment and bring great difficulty, handle suitable difficulty, caused very big economic loss.Therefore, traditional mounting method is perplexing the unit such as owner, design, construction of metallurgical industry equally always.
Summary of the invention
The objective of the invention is to above-mentioned present situation, aim to provide a kind of installation large-size sleeve bolt in the high-altitude that can have, and can guarantee installation accuracy, constructor's safety, and the method for a kind of large-size sleeve bolt framework in combined type installation of saving cost.
The implementation of the object of the invention does, the method that a kind of large-size sleeve bolt framework in combined type is installed, and concrete steps are:
1) stays horizontal construction joint one in
on the basis converter base plate; Pre-buried angle cleat is with the connecting frame column at the constuction joint place; Also should arrange embedded part or the joint bars that use as frame strengthening and expansion a bit all around more
2) make large-size sleeve bolt framework in processing factory,
Large-size sleeve bolt framework adopts the shaped steel assembly welding to form, and 12 22# i iron are formed upright of frame, outer frame column top have that the 22# i iron forms in length and breadth to joist; There is horizontal bearing beam on middle upright of frame top; Laterally the heavy frame that 4 20# i iron form is placed on bearing beam top, and heavy frame forms platform with vertical transfer beam, and its transfer beam platform end face absolute altitude is absolute altitude at the bottom of two longitudinal beams of structural member base; The upright of frame middle part is linked to be framework integral body with the frame linking that the 20# i iron forms; There are ∠ 63 * 5 angle steel to make oblique frame linking between the upright of frame and support, the sleeve bolt sidewall lead frame of upright of frame top region for forming with ∠ 75 * 6 angle steel
3) welded and installed large-size sleeve bolt on large-size sleeve bolt framework,
4) large-size sleeve bolt framework is on-the-spot installs,
Transport large-size sleeve bolt framework to scene, to basis converter, it is in place that use jack and jack carry out centering with the crane handling; And welding is installed according to the axis in length and breadth of equipment; Reinforcing bar binding carries out the basis converter concrete and waters, and basic concrete waters to converter installation base absolute altitude line.
It is big because of weight that the present invention has fundamentally solved large-size sleeve bolt, and setting height(from bottom) is high, the installation difficult problem of operating difficulties on cage of reinforcement; Guarantee the bolt installation accuracy, guaranteed constructor's safety, reduced cost.Adopt the present invention to build the installation work of wine steel steel-making optimization RH basis converter gudgeon sleeve bolt framework structure, after the concrete pouring is accomplished, sleeve and direct-burried bolt are carried out repetition measurement, the center and the absolute altitude of all bolts all are controlled in the standard.
The present invention also can be useful for the installation of blast furnace foundation large diameter bolt, has dissemination.
Description of drawings
The basis converter large-size sleeve bolt structural representation of accompanying drawing for adopting the present invention to install.
The specific embodiment
Concrete steps of the present invention are:
1) stay horizontal construction joint 12 one in
on the basis converter base plate, pre-buried angle cleat 11 is with Connection Bracket column 1 at the constuction joint place; Also should arrange embedded part or the joint bars of reinforcing and expand use a bit as fixed mount all around more.Should reserve long during the blanking of fixed mount column; So that can cut off adjustment during the platform levelling; Fixed mount built-in fitting, column, platform etc. must arrange by the scheme size, because scheme has been considered the factors such as size and bottom seals cover thereof of the usefull space and the structural member of inside concrete.
2) make large-size sleeve bolt framework (seeing accompanying drawing) in processing factory.
The large-size sleeve bolt fixed mount adopts the shaped steel assembly welding to form.12 worker's 22 i iron are formed fixed mount column 1; Outer fixed mount column 1 top have that the 22# i iron forms in length and breadth to joist 6; There is horizontal bearing beam 4 on middle fixed mount column 1 top; Laterally the heavy frame 5 that 4 20 i iron form is placed on bearing beam 4 tops, and heavy frame 5 forms platform with vertical transfer beam, and its transfer beam platform end face absolute altitude is absolute altitude at the bottom of two longitudinal beams of structural member base.Fixed mount column middle part is linked to be framework integral body with the frame linking 3 that the 20# i iron forms; There are ∠ 63 * 5 angle steel to make oblique frame linking between the fixed mount column 1 and support 2; The sleeve bolt sidewall lead frame 8 of fixed mount top region for forming with ∠ 75 * 6 angle steel, fixed mount shaped steel all welding unify stressed.
The large-size sleeve bolt fixed mount adopts the shaped steel assembly welding to form.With 12 worker's 22 i iron as fixed mount column 1; Be the 22# i iron to joist 6 in length and breadth; Laterally bearing beam 4 tops are placed 4 workers, 20 i iron 5 and are formed platform with vertical transfer beam, and its transfer beam platform end face absolute altitude is absolute altitude at the bottom of two longitudinal beams of large-size sleeve bolt 7 bases.Fixed mount column middle part adopts worker's 20 i iron 3 that column is linked to be framework integral body in length and breadth, and the fixed mount formed steel construction adopts ∠ 63 * 5 angle steel 2 to do the bearing diagonal binding.Fixed mount column top region adopts ∠ 75 * 6 angle steel to form sleeve bolt sidewall lead frame 8.
3) sleeve bolt welded and installed: after fixed mount is accomplished, structural member by scheming to carry out unwrapping wire in the bullet after size and the standard acceptance auditing, is carried out large-size sleeve bolt 7 welded and installed by designing institute's drawing.
Large-size sleeve bolt framework manufacturing process should obtain technician's overall process and participate in control, should be carried out the inspection and the examinations comprehensively such as axis and absolute altitude of intensity, rigidity, physical dimension, bolt by program manager and project chief engineer and the relevant personnel after the completion.
4) large-size sleeve bolt framework is on-the-spot installs
After processing factory concentrates fabrication and installation, transport the scene again to, the large-size sleeve bolt framework structural member adopts 16 tons of crane handlings to basis converter, and it is in place that use jack and jack carry out centering.Axis in length and breadth according to equipment is installed welding; Carry out the basis converter reinforcing bar binding then.
After large-size sleeve bolt framework installs, the center line coordinate and the absolute altitude inspection of each bolt are checked, treat that the basis converter reinforcing bar binding is intact; After owner, management onsite acceptance, can carry out the pouring of basis converter concrete.The basis concrete waters to back-grouting layer end opening 9, and converter installation base absolute altitude line is 10.
Successfully built the installation work that RH basis converter gudgeon sleeve bolt framework structure is optimized in the steel-making of wine steel with the present invention, that sleeve bolt is the longest is 2800mm, and the sleeve diameter of sleeve bolt has 300mm.Every group of horizontally-arranged has 10 sleeve bolts, 4 direct-burried bolts, and the every side of basis converter is more than 30 large-size sleeve bolt nearly.The sleeve bolt framework setting height(from bottom) reaches 7.5m; Basis end face absolute altitude
Claims (1)
1. the large-size sleeve bolt framework in combined type method of installing is characterized in that concrete steps are:
1) stays horizontal construction joint one in
on the basis converter base plate; Pre-buried angle cleat is with the connecting frame column at the constuction joint place; Also should arrange embedded part or the joint bars that use as frame strengthening and expansion a bit all around more
2) make large-size sleeve bolt framework in processing factory,
Large-size sleeve bolt framework adopts the shaped steel assembly welding to form, and 12 22# i iron are formed upright of frame, outer frame column top have that the 22# i iron forms in length and breadth to joist; There is horizontal bearing beam on middle upright of frame top; Laterally the heavy frame that 4 20# i iron form is placed on bearing beam top, and heavy frame forms platform with vertical transfer beam, and its transfer beam platform end face absolute altitude is absolute altitude at the bottom of two longitudinal beams of structural member base; The upright of frame middle part is linked to be framework integral body with the frame linking that the 20# i iron forms; There are ∠ 63 * 5 angle steel to make oblique frame linking between the upright of frame and support, the sleeve bolt sidewall lead frame of upright of frame top region for forming with ∠ 75 * 6 angle steel
3) welded and installed large-size sleeve bolt on large-size sleeve bolt framework,
4) large-size sleeve bolt framework is on-the-spot installs,
Transport large-size sleeve bolt framework to scene, to basis converter, it is in place that use jack and jack carry out centering with the crane handling; And welding is installed according to the axis in length and breadth of equipment; Reinforcing bar binding carries out the basis converter concrete and waters, and basic concrete waters to converter installation base absolute altitude line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101332006A CN101831916B (en) | 2010-03-25 | 2010-03-25 | Method for mounting large-size sleeve bolt framework in combined type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101332006A CN101831916B (en) | 2010-03-25 | 2010-03-25 | Method for mounting large-size sleeve bolt framework in combined type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101831916A CN101831916A (en) | 2010-09-15 |
| CN101831916B true CN101831916B (en) | 2012-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101332006A Active CN101831916B (en) | 2010-03-25 | 2010-03-25 | Method for mounting large-size sleeve bolt framework in combined type |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102080417B (en) * | 2010-12-15 | 2012-05-23 | 中国二十二冶集团有限公司 | Construction method for split burying of large T-shaped sleeve bolt |
| CN102155097B (en) * | 2011-01-28 | 2012-06-20 | 中国三冶集团有限公司第二建筑工程公司 | Locating device for installing large embedded member of concrete wall and installing method thereof |
| CN105401591B (en) * | 2014-09-03 | 2017-11-28 | 五冶集团上海有限公司 | Pre-embedded bolt corrugated sleeve installation method |
| CN113186965B (en) * | 2021-04-30 | 2022-12-13 | 中国二十二冶集团有限公司 | Reinforcing method for installation and burying of liquid collecting tank of rolling mill |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU937618A1 (en) * | 1980-11-03 | 1982-06-23 | Харьковское Отделение Всесоюзного Государственного Ордена Ленина И Ордена Октябрьской Революции Проектного Института "Теплоэлектропроект" | Foundation under production plant |
| CN101666100B (en) * | 2009-09-15 | 2011-11-16 | 中冶实久建设有限公司 | Method for accurately installing large foundation bolt of industrial equipment foundation |
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| CN101831916A (en) | 2010-09-15 |
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