CN103469813A - Online mounting method for mills on existing rolling lines - Google Patents

Online mounting method for mills on existing rolling lines Download PDF

Info

Publication number
CN103469813A
CN103469813A CN2013104093481A CN201310409348A CN103469813A CN 103469813 A CN103469813 A CN 103469813A CN 2013104093481 A CN2013104093481 A CN 2013104093481A CN 201310409348 A CN201310409348 A CN 201310409348A CN 103469813 A CN103469813 A CN 103469813A
Authority
CN
China
Prior art keywords
milling train
online
newly
members
load
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.)
Granted
Application number
CN2013104093481A
Other languages
Chinese (zh)
Other versions
CN103469813B (en
Inventor
张俊
陈川宝
孟晓宏
黄峻
雍雄文
雷杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China 19th Metallurgical Corp
Original Assignee
China 19th Metallurgical Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China 19th Metallurgical Corp filed Critical China 19th Metallurgical Corp
Priority to CN201310409348.1A priority Critical patent/CN103469813B/en
Publication of CN103469813A publication Critical patent/CN103469813A/en
Application granted granted Critical
Publication of CN103469813B publication Critical patent/CN103469813B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention discloses an online mounting method for mills on existing rolling lines and belongs to the technical field of metallurgical production equipment mounting. According to the method, the construction cost is low, the efficiency is high, and mounting and operation are convenient. The method comprises dismantling online complex underground space concrete structures at positions on existing rolling lines, where mills are required to be added, through a dustless wire saw cutting method; planting reinforcement bars at positions of roll changing devices at dismantled positions, pouring bearing structures with the section in a concave structure, and mounting steel beams and push rails on the bearing structures; assembling newly added mills on the push rails, and pushing the push rails onto mill foundations.

Description

A kind of online mounting method of existing roll line milling train
Technical field
The present invention relates to a kind of online mounting method, especially relate to a kind of online mounting method of existing roll line milling train, belong to metallurgical production equipment mounting technique field.
Background technology
Online newly-increased milling train on existing roll line, at first need the existing roll line underground space concrete structure of complexity is removed, and then the position of removing out at this is installed newly-increased milling train again online, and now existing rolling line can't stop production, also will guarantee the quality of the steel product that existing roll line is produced, this is just the very high requirement of installation proposition of newly-increased milling train online of existing roll line simultaneously.By existing, first stop production, after removing the existing roll line underground space concrete structure that needs newly-increased milling train position, set up interim basis on the space of removing out at this again, and by after the newly-increased milling train of this interim basic installation, remove again the mounting process on described interim basis, both can't guarantee the construction requirements that existing roll line can not stop production, and in installation process, because needs set up interim basis, both affected the duration, be somebody's turn to do first building afterwards and tear open of interim basis simultaneously, again virtually a large amount of increase installation cost, more can't in fierce at present market competition, obtain chance.
Summary of the invention
Technical problem to be solved by this invention is: provide that a kind of construction cost is low, efficiency is high, the fitting operation online mounting method of existing roll line milling train easily.
For solving the problems of the technologies described above adopted technical scheme, be: a kind of online mounting method of existing roll line milling train comprises the following steps
1) remove underground space concrete structure, adopt dustlessization rope saw patterning method to remove online complicated underground space concrete structure on the existing roll line that needs newly-increased milling train position;
2) build load-carrying members, changing rig position on the existing roll line of the newly-increased milling train of the needs of first removing out in step 1), the reinforcing bar the colligation moulding that adopt the chemically-planted steel bar mode to implant described load-carrying members, and then install formwork for placing in the reinforcing bar outside of this colligation moulding, then build load-carrying members maintenance that cross section is concave structure;
3) girder steel is installed, passes track and built newly-increased milling train basis, on described load-carrying members, girder steel is installed, and install to pass track on this girder steel, bar planting, formwork build newly-increased milling train basis on the existing roll line of the newly-increased milling train of the needs of removing out in step 1);
4) the online installation needs newly-increased milling train, on described passing track, assembling needs the milling train increased, qualified rear along described passing track move on to that step 3) is built and the qualified milling train basis of maintenance on, so just completed the once online installation work of existing roll line milling train.
Further, described girder steel and the installation of passing track and described newly-increased milling train basis builds to synchronize and carries out.
Further, the assembling of described milling train, pass and installation after, only remove the installation girder steel on described load-carrying members and pass track, then directly after bar planting on described load-carrying members, colligation, formwork, build the basis of mill roll changing device.
The invention has the beneficial effects as follows: because online mounting method provided by the invention is first to adopt dustlessization rope saw patterning method to remove online complicated underground space concrete structure on the existing roll line that needs newly-increased milling train position, and then the load-carrying members that cross section becomes concave structure are built in the changing rig place bar planting of at this, removing out position, and girder steel is installed on described load-carrying members, is passed track, finally assemble again newly-increased milling train on described passing track, and move on on the milling train basis by described passing track.Like this, due to described online mounting method on removing existing roll line during complicated underground space concrete structure, what adopt is online dismounting of dustlessization rope saw patterning method, so do not need to make existing roll line to stop production, can meet online requirement of installing, simultaneously, when milling train is installed, employing is built load-carrying members at the changing rig place of newly-increased milling train, then utilize these load-carrying members to assemble, pass described milling train, do not need to set up interim basis, simple in structure, easy to operate, installation effectiveness is high, and described load-carrying members are after the installation milling train completes, can be as other basis, build the changing rig basis as basis such as take these load-carrying members, thereby can effectively reduce the installation cost of equipment.
The accompanying drawing explanation
The schematic diagram of the load-carrying members that the online mounting method that Fig. 1 is a kind of existing roll line milling train of the present invention relates to;
The A-A sectional view that Fig. 2 is Fig. 1.
In figure, be labeled as: load-carrying members 1, girder steel 2, passing track 3, milling train basis 4, milling train 5.
The specific embodiment
Be as shown in Figure 1 and Figure 2 that a kind of construction cost provided by the invention is low, efficiency is high, the fitting operation online mounting method of existing roll line milling train easily.Described online mounting method comprises the following steps
1) remove underground space concrete structure, adopt dustlessization rope saw patterning method to remove online complicated underground space concrete structure on the existing roll line that needs newly-increased milling train position;
2) build load-carrying members, changing rig position on the existing roll line of the newly-increased milling train of the needs of first removing out in step 1), the reinforcing bar the colligation moulding that adopt the chemically-planted steel bar mode to implant described load-carrying members, and then install formwork for placing in the reinforcing bar outside of this colligation moulding, then build load-carrying members 1 maintenance that cross section is concave structure;
3) girder steel is installed, passes track and built newly-increased milling train basis, girder steel 2 is installed on described load-carrying members 1, and install to pass track 3 on this girder steel 2, bar planting, formwork build newly-increased milling train basis 4 on the existing roll line of the newly-increased milling train of the needs of removing out in step 1);
4) the online installation needs newly-increased milling train, on described passing track 3, assembling needs the milling train 5 increased, qualified pass on the milling train basis 4 that step 3) is built and maintenance is qualified along described passing track 3 afterwards, so just completed the once online installation work of existing roll line milling train.
Because online mounting method provided by the invention is first to adopt dustlessization rope saw patterning method to remove online complicated underground space concrete structure on the existing roll line that needs newly-increased milling train position, and then the load-carrying members 1 that cross section becomes concave structure are built in the changing rig place bar planting of at this, removing out position, and girder steel 2 is installed on described load-carrying members 1, is passed track 3, finally assemble again newly-increased milling train 5 on described passing track 3, and pass to milling train basis 4 by described passing track 3.Like this, due to described online mounting method on removing existing roll line during complicated underground space concrete structure, what adopt is online dismounting of dustlessization rope saw patterning method, weigh and do not need to make existing roll line to stop production, can meet online requirement of installing, simultaneously, when milling train is installed, employing is built load-carrying members 1 at the changing rig place of newly-increased milling train, then utilize these load-carrying members 4 to assemble, pass described milling train 5, do not need to set up interim basis, simple in structure, easy to operate, installation effectiveness is high, and described load-carrying members 1 are after installation milling train 5 completes, can be as other basis, build the changing rig basis as basis such as take these load-carrying members 1, thereby can effectively reduce the installation cost of equipment.
In order further to improve installation effectiveness, the building to synchronize of described girder steel 2 and the installation of passing track 3 and described newly-increased milling train basis 4 carried out.As aforesaid, in order to reduce to greatest extent installation cost, improve installation effectiveness, after described milling train 5 assembling, passing also installation, only remove the installation girder steel 2 on described load-carrying members 1 and pass track 3, then directly after bar planting on described load-carrying members 1, colligation, formwork, build the basis of mill roll changing device.
Chemically-planted steel bar, be called for short bar planting, is to use high-intensity chemical adhesive, and reinforcing bar, screw rod etc. and concrete are passed through to bonding and locking key effect, to realize that connected piece is produced to bond stress, thereby reaches a kind of method of arranging reinforcing bar of pre-buried effect.Dustlessization rope saw patterning method of the present invention is that a kind of concrete of first needs being removed is holed, then adopt the method for dismounting of rope saw patterning method dismantling concrete structure, the method is compared with existing demolition blasting method, neither can produce large dust, also can not impact the job practices of even destroying to the concrete that does not need to remove.

Claims (3)

1. the online mounting method of an existing roll line milling train, is characterized in that: comprise the following steps
1) remove underground space concrete structure, adopt dustlessization rope saw patterning method to remove online complicated underground space concrete structure on the existing roll line that needs newly-increased milling train position;
2) build load-carrying members, changing rig position on the existing roll line of the newly-increased milling train of the needs of first removing out in step 1), the reinforcing bar the colligation moulding that adopt the chemically-planted steel bar mode to implant described load-carrying members, and then install formwork for placing in the reinforcing bar outside of this colligation moulding, then build load-carrying members (1) maintenance that cross section is concave structure;
3) girder steel is installed, passes track and built newly-increased milling train basis, at the upper girder steel (2) of installing of described load-carrying members (1), and pass track (3) upper installation of this girder steel (2), bar planting, formwork build newly-increased milling train basis (4) on the existing roll line of the newly-increased milling train of the needs of removing out in step 1);
4) the online installation needs newly-increased milling train, need in the upper assembling of described passing track (3) milling train (5) increased, qualified rear upper to the milling train basis (4) that step 3) is built and maintenance is qualified along described passing track (3) passing, so just completed the once online installation work of existing roll line milling train.
2. the online mounting method of a kind of existing roll line milling train according to claim 1 is characterized in that: the building to synchronize of described girder steel (2) and the installation of passing track (3) and described newly-increased milling train basic (4) carried out.
3. the online mounting method of a kind of existing roll line milling train according to claim 1 and 2, it is characterized in that: after described milling train (5) assembling, passing also installation, only remove the installation girder steel (2) on described load-carrying members (1) and pass track (3), then directly after the upper bar planting of described load-carrying members (1), colligation, formwork, build the basis of mill roll changing device.
CN201310409348.1A 2013-09-10 2013-09-10 A kind of online mounting method of existing roll line milling train Active CN103469813B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310409348.1A CN103469813B (en) 2013-09-10 2013-09-10 A kind of online mounting method of existing roll line milling train

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310409348.1A CN103469813B (en) 2013-09-10 2013-09-10 A kind of online mounting method of existing roll line milling train

Publications (2)

Publication Number Publication Date
CN103469813A true CN103469813A (en) 2013-12-25
CN103469813B CN103469813B (en) 2016-02-03

Family

ID=49794842

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310409348.1A Active CN103469813B (en) 2013-09-10 2013-09-10 A kind of online mounting method of existing roll line milling train

Country Status (1)

Country Link
CN (1) CN103469813B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110117963A (en) * 2018-11-27 2019-08-13 中国二十二冶集团有限公司 The construction method of installation of high speed wire rod finishing block

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56141916A (en) * 1980-04-09 1981-11-05 Hitachi Ltd Replacing method for roll of manufacturing plant for electric welded pipe
CN102764766A (en) * 2012-07-31 2012-11-07 中国十九冶集团有限公司 Reconstruction method for adding rolling mill on existing rolling line
CN202743846U (en) * 2012-07-31 2013-02-20 中国十九冶集团有限公司 Sliding device used for large scale equipment displacement
CN103276747A (en) * 2013-06-26 2013-09-04 陕西建工集团第十一建筑工程有限公司 One-time high-accuracy pre-burying construction method for large equipment base guide rails

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56141916A (en) * 1980-04-09 1981-11-05 Hitachi Ltd Replacing method for roll of manufacturing plant for electric welded pipe
CN102764766A (en) * 2012-07-31 2012-11-07 中国十九冶集团有限公司 Reconstruction method for adding rolling mill on existing rolling line
CN202743846U (en) * 2012-07-31 2013-02-20 中国十九冶集团有限公司 Sliding device used for large scale equipment displacement
CN103276747A (en) * 2013-06-26 2013-09-04 陕西建工集团第十一建筑工程有限公司 One-time high-accuracy pre-burying construction method for large equipment base guide rails

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王岩: "浅谈高速线材生产线轧机安装技术", 《中国新技术新产品》, 31 December 2012 (2012-12-31) *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110117963A (en) * 2018-11-27 2019-08-13 中国二十二冶集团有限公司 The construction method of installation of high speed wire rod finishing block

Also Published As

Publication number Publication date
CN103469813B (en) 2016-02-03

Similar Documents

Publication Publication Date Title
CN202248876U (en) Shear wall door/window opening formwork composite device
CN104070316B (en) A kind of assembled group of welded H section steel is to device and using method thereof
CN202830776U (en) Bridge variable cross-section rectangular high pier cantilever creeping formwork construction device
CN104389430A (en) Application of plain concrete columns to later-poured strip supporting
CN203994174U (en) The prefabricated internal mold of a kind of concrete core slab and assembling frame
CN203475310U (en) Formwork for concrete slabs of composite steel-concrete box girders
CN202000265U (en) Concrete construction formwork for high pier of bridge
CN201835518U (en) Seamless combination formwork
CN103362069B (en) Steel and concrete combined box girder concrete wing plate formwork and construction method
CN105133731B (en) A kind of assembled steel performance
CN103469813A (en) Online mounting method for mills on existing rolling lines
CN202865996U (en) Room modular structure for nuclear power plant
CN104295109B (en) Do not register one's residence balcony rapid reinforcement structure and construction method thereof in old community
CN202108006U (en) Easily removable breaking joint formwork of protecting wall
CN206418861U (en) A kind of switch base for facing skirt shield and multiduty skirt of facing are protected
CN201943010U (en) Overhead cast-in-situ box girder support platform
CN103352570A (en) Assembled construction gateway
CN207700068U (en) A kind of modularization Bridge Pier Construction job platform
CN110043279A (en) Tunnel mould shotcrete support constructing device and method
CN104963344B (en) The deep basal pit underground construction method that concrete supporting removal and structure construction are synchronously carried out
CN203393739U (en) Forming mold for reserved holes of equipment foundations
CN204139634U (en) The safe enclosed construction in a kind of fast-type hole
CN202745386U (en) Funnel for pouring frame column
CN203394079U (en) Large overweight box-type beam mounting assisting parallel truss
CN104532743A (en) Tower girder fixed-connection mechanism, corresponding cable-stayed bridge and building method of cable-stayed bridge

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model