CN102192368B - Large-span overhead pipeline sliding installation method - Google Patents
Large-span overhead pipeline sliding installation method Download PDFInfo
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- CN102192368B CN102192368B CN201010116711.7A CN201010116711A CN102192368B CN 102192368 B CN102192368 B CN 102192368B CN 201010116711 A CN201010116711 A CN 201010116711A CN 102192368 B CN102192368 B CN 102192368B
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- 238000009434 installation Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 14
- 240000009087 Crescentia cujete Species 0.000 claims description 14
- 235000005983 Crescentia cujete Nutrition 0.000 claims description 14
- 235000009797 Lagenaria vulgaris Nutrition 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 10
- 239000003973 paint Substances 0.000 claims description 9
- 230000001680 brushing effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
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Abstract
The invention discloses large-span overhead pipeline sliding installation technology which comprises an overhead pipeline truss. The technology is characterized by comprising the following installation steps: a) making a new bracket and a temporary bracket; b) providing multiple sections of pipelines; c) installing a horizontal pipeline spanning over a factory protection river and an over-railway section; and d) installing vertical sections of pipelines on the two sides of the horizontal pipeline. By the large-span overhead pipeline sliding installation method disclosed by the invention, pipelines can be hoisted in place successfully when the pipelines cannot be hoisted in place conventionally by a crane due to the restriction of a narrow field and other objective conditions, the construction safety and installation quality are guaranteed, and the installation construction expenses is reduced greatly.
Description
Technical field
The present invention relates to a kind of long span over head slide installation method.
Background technique
Water pipe or tracheal tube are buried under the ground conventionally.These pipelines are embedded in the depth of approximately 6 meters to 12 meters traditionally.But, conventionally water pipe or tracheal tube cannot be embedded in location.For example, water pipe or tracheal tube can not be embedded in the region of under river, having imbedded many pipelines, or pipeline is embedded under busy traffic route, under railway.
The supporting power main of Baosteel shoal area engineering, comprises a medium pressure nitrogen feed channel, caliber D426 × 9, pressure 0.7MPa.Whole construction pipeline is very long, and wherein nitrogen pipeline leap Wei Shi mono-Hu Chang river, road to Weiyi Road railway division pipeline mounting construction difficulty is very large.Respectively there is a support in both sides, Hu Chang river, 29 meters of set spacings (being original support truss), 9.2 meters of pipe end absolute altitudes, 35.8 meters of cross a river pipeline section total lengths, the heavily about 3.5t of pipeline section.Approximately 39 meters, this segment pipe centre distance Wei Shi mono-tunnel, distant, and cross over original piping lane, construction and installation difficulty.Wei Shi mono-Hu Chang river, road is between Weiyi Road, complete is Department of Transportation's railway, have 12 railroad tracks herein, train running is very frequent, if constructing routinely, this segment pipe need take for a long time production railway, and railway idle time cannot meet construction needs far away, crane cannot enter scene and carry out lifting operation.
Therefore knownly directly with crane, lifting pipeline method is existed to above-mentioned all inconvenience and problem.
Summary of the invention
Object of the present invention, be to propose a kind of because of narrow space or other objective condition difficulties can not be directly with the long span over head slide installation method of crane lifting pipeline.
For achieving the above object, technical solution of the present invention is:
A kind of long span over head slide installation method, comprises an aerial pipeline truss, it is characterized in that comprising following installation steps:
A) make new support and falsework
Several new supports of welding production, falsework and an interim portal frame on described aerial pipeline truss, described new support, falsework and a support system of interim portal frame composition, so that the slippage in described support system of described pipeline, wherein new support and falsework comprise one " door " glyph framework, two stent strut lower ends of described " door " glyph framework are welded on described aerial pipeline truss both sides, and being miter angle direction with a support diagonal brace and stent strut is welded on described aerial pipeline truss, the top of the set cap of described " door " glyph framework is provided with rubber roll mounting, in described rubber roll mounting, be provided with rubber roll, and described rubber roll mounting both sides are provided with the high baffle plate of 200mm, to prevent that pipeline from coming off in slipping, described rubber roll mounting apical side height exceeds about 50mm than described " door " glyph framework height simultaneously, thus can be at described pipeline slippage rear dismounting falsework in place, roller, and corresponding conduit saddle is installed, described falsework is interspersed to be arranged between newly-built support, forms the about 5m of each set spacing,
B) provide some segment pipes
At the added front brushing paint of described pipeline, when slippage, reduce the damage to paint, after completing, in addition touch-up paint of broken parts, described pipeline lifts into about 20 meters one section at installation on ground as far as possible, heavily approximately 2 tons of every segment pipes, and at one end of described pipeline welding hanger;
C) horizontal pipe across Yu Kua railway division, Hu Chang river is installed
Lift respectively across railway and cross a river segment pipe with 120 tons of mobile cranes and 80 tons of mobile cranes, after pipeline being sling with crane, pipeline is in place inward, and send inward as much as possible, pipeline is ridden on the roller of newly-built and falsework, then wire rope is fastened on pipeline hanger, use zipper calabash movement pipeline, now crane follows up as much as possible, until loose hook; Continuation slippage reserves the position of second segment pipe, and then hoisting slide second segment pipe, and second segment and the solid welding of first paragraph group to point continue slippage inward surely afterwards, carries out successively the 3rd section, the 4th section pipe slippage and installs, until complete;
D) the vertical segment pipe of described horizontal pipe both sides is installed
With described interim portal frame, be equipped with 3t zipper calabash both sides vertical segment pipes is installed, hang pipeline hanger with top zipper calabash, cut described vertical pipeline according to figure paper length, then use zipper calabash temporary fixed, after two ends pipeline is in place, welding is fixed again.
Adopt after technique scheme, long span over head slide installation method of the present invention has the following advantages:
1, can be by smooth pipeline hoisted in position in the situation that cannot directly utilizing routinely crane lifting in place because of the restriction of narrow space and other objective condition;
2, guarantee construction safety and installation quality;
3, significantly reduce installation expense.
Accompanying drawing explanation
Fig. 1 is the new support of embodiments of the invention and the structural representation of falsework;
Fig. 2 is support diagonal brace and the stent strut schematic diagram of embodiments of the invention;
Fig. 3 is pipeline cross a river, the lifting and installation across railways sliding construction schematic diagram of embodiments of the invention.
In figure: 1 rubber roll, 2 rubber roll mountings, 3 set caps, 4 stent struts, 5 support diagonal braces, 6 original aerial pipeline truss, 7 new supports, 8 falseworks, 9 hangers, 10 zipper calabash, 11 interim portal frames, 12 pipelines, 1380 tons of mobile cranes, 14120 tons of cranes, 15 track for a trains, 16 original aerial pipeline truss legs, 17 Hu Chang rivers.
Embodiment
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is illustrated further.
Long span over head slide installation method of the present invention has obtained successful Application in the supporting power main of Baosteel shoal area engineering.
Long span over head slide installation method of the present invention, is arranged on this feature on original truss according to newly-built pipeline and support, comprises following installation steps:
A) make new support and falsework
Now refer to Fig. 1 and Fig. 2, the new support that Fig. 1 is embodiments of the invention and the structural representation of falsework, the support diagonal brace that Fig. 2 is embodiments of the invention and stent strut schematic diagram.As shown in the figure, provide 10 described new supports 7, falsework 8 and an interim portal frame 11 to form a support system, so that described pipeline 12 slippage in described support system, wherein new support 7 and falsework 8 comprise one " door " glyph framework, two stent strut 4 lower ends of described " door " glyph framework are welded on described aerial pipeline truss both sides, and being miter angle direction with a support diagonal brace 5 with stent strut 4 is welded on described aerial pipeline truss, the top of the set cap 3 of described " door " glyph framework is provided with rubber roll mounting 2, in described rubber roll mounting 2, be provided with rubber roll 1, and described rubber roll mounting both sides are provided with the high baffle plate of 200mm, to prevent that pipeline from coming off in slipping, described rubber roll mounting 2 apical side heights exceed about 50mm than described " door " glyph framework height simultaneously, thus can be at described pipeline slippage rear dismounting falsework 8 in place, roller 1, and corresponding conduit saddle is installed, interspersed being arranged between new support 7 of described falsework 8, forms the about 5m of each set spacing,
B) provide some segment pipes
At the added front brushing paint of described pipeline 12, when slippage, reduce the damage to paint, after completing, in addition touch-up paint of broken parts, described pipeline lifts into about 20 meters one section at installation on ground as far as possible, heavily approximately 2 tons of every segment pipes, and at one end of described pipeline welding hanger 9;
C) horizontal pipe across Yu Kua railway division, Hu Chang river is installed
Collecing mobile cranes with 120 tons of mobile cranes and 80 lifts respectively across railway N ' 136-N ' 138 and cross a river segment pipe N ' 139-N ' 140, after pipeline 12 being sling with crane, pipeline is in place inward, and send inward as much as possible, pipeline is ridden on the roller of newly-built and falsework, then wire rope is fastened on pipeline hanger, use zipper calabash movement pipeline, now crane follows up as much as possible, until loose hook; Continuation slippage reserves the position of second segment pipe, and then hoisting slide second segment pipe, and second segment and the solid welding of first paragraph group to point continue slippage inward surely afterwards, carries out successively the 3rd section, the 4th section pipe slippage and installs, until complete;
D) the vertical segment pipe of described horizontal pipe both sides is installed
Long 6 meters of vertical pipeline between N ' 138 and N ' 139, heavily approximately 0.6 ton.This segment pipe is installed the interim portal frame 11 of setting up by N ' 138 tops and is equipped with 3t zipper calabash 10 and implements.With described interim portal frame 11, be equipped with 3t zipper calabash 10 the vertical segment pipe in both sides is installed, hang pipeline hanger with top zipper calabash, cut described vertical pipeline according to figure paper length, then use zipper calabash temporary fixed, after two ends pipeline is in place, welding is fixed again, to complete aerial pipeline lifting.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, can also make various conversion or variation.Therefore, all technological schemes that are equal to also should belong to category of the present invention, should be limited by each claim.
Claims (1)
1. a long span over head slide installation method, comprises an aerial pipeline truss, it is characterized in that comprising following installation steps:
A) make new support and falsework
Several new supports of welding production, falsework and an interim portal frame on described aerial pipeline truss, described new support, falsework and a support system of interim portal frame composition, so that the slippage in described support system of described pipeline, wherein new support and falsework comprise one " door " glyph framework, two stent strut lower ends of described " door " glyph framework are welded on described aerial pipeline truss both sides, and being miter angle direction with a support diagonal brace and stent strut is welded on described aerial pipeline truss, the top of the set cap of described " door " glyph framework is provided with rubber roll mounting, in described rubber roll mounting, be provided with rubber roll, and described rubber roll mounting both sides are provided with the high baffle plate of 200mm, to prevent that pipeline from coming off in slipping, described rubber roll mounting apical side height exceeds 50mm than described " door " glyph framework height simultaneously, thus can be at described pipeline slippage rear dismounting falsework in place, roller, and corresponding conduit saddle is installed, described falsework is interspersed to be arranged between newly-built support, and forming each set spacing is 5m,
B) provide some segment pipes
At the added front brushing paint of described pipeline, when slippage, reduce the damage to paint as far as possible, after completing, in addition touch-up paint of broken parts, described pipeline becomes 20 meters one section to lift at installation on ground, and welds a hanger in one end of described pipeline;
C) horizontal pipe across Yu Kua railway division, Hu Chang river is installed
Lift respectively across railway and cross a river segment pipe with 120 tons of mobile cranes and 80 tons of mobile cranes, slinging after pipeline with crane, pipeline is in place inward, and send inward as much as possible, pipeline is ridden on the roller of new support and falsework, then wire rope is fastened on pipeline hanger, use zipper calabash movement pipeline, now crane follows up as much as possible, until loose hook; Continuation slippage reserves the position of second segment pipe, and then hoisting slide second segment pipe, and second segment and the solid welding of first paragraph group to point continue slippage inward surely afterwards, carries out successively the 3rd section, the 4th section pipe slippage and installs, until complete;
D) the vertical segment pipe of described horizontal pipe both sides is installed
With the vertical segment pipe of described interim portal frame and zipper calabash installation both sides, hang pipeline hanger with the described zipper calabash in top, cut described vertical pipeline according to figure paper length, then use zipper calabash temporary fixed, after two ends pipeline is in place, welding is fixed again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010116711.7A CN102192368B (en) | 2010-03-03 | 2010-03-03 | Large-span overhead pipeline sliding installation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010116711.7A CN102192368B (en) | 2010-03-03 | 2010-03-03 | Large-span overhead pipeline sliding installation method |
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| CN102192368A CN102192368A (en) | 2011-09-21 |
| CN102192368B true CN102192368B (en) | 2014-06-25 |
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| CN103806658B (en) * | 2012-11-14 | 2016-01-20 | 五冶集团上海有限公司 | High-cleanness, high electronic workshop steel work integral slipping and discharging method |
| CN103058055B (en) * | 2012-12-28 | 2014-10-01 | 攀钢集团工程技术有限公司 | Hoisting method of large parts in narrow area |
| CN104075028B (en) * | 2014-07-18 | 2016-03-02 | 中国二十二冶集团有限公司 | Piping lane poling method of construction |
| US10655757B2 (en) * | 2016-02-22 | 2020-05-19 | Equinor Energy As | Apparatus and method for direct tie-in of subsea pipelines |
| CN107520605B (en) * | 2016-06-21 | 2019-03-15 | 五冶集团上海有限公司 | A kind of rane trolley turning rolls installing and fixing method |
| CN106121234B (en) * | 2016-08-24 | 2018-05-04 | 广西壮族自治区冶金建设公司 | A kind of mounting tool and installation method of roof large span large-diameter pipeline |
| CN106869035B (en) * | 2017-03-24 | 2018-10-09 | 中石化江苏油建工程有限公司 | Across the installation method of valley conduit bridge |
| CN107035918A (en) * | 2017-06-07 | 2017-08-11 | 天津市源泉市政工程有限公司 | One kind feedwater pipe fitting engineering construction method |
| CN108644471B (en) * | 2018-04-18 | 2020-06-05 | 中国十七冶集团有限公司 | A pipeline sliding transportation structure system and its construction method on a large area of water |
| CN109594581B (en) * | 2018-11-16 | 2021-01-15 | 杭州江润科技有限公司 | River-crossing pipeline structure and installation method thereof |
| CN110307395B (en) * | 2019-05-10 | 2020-10-09 | 中国二十二冶集团有限公司 | Sectional installation construction method for large-diameter overlength pipeline crossing roof |
| CN109973717B (en) * | 2019-05-20 | 2020-09-04 | 金湖县农副产品营销协会 | A tap water pipeline laying device |
| CN110726006B (en) * | 2019-11-28 | 2021-11-09 | 中国二冶集团有限公司 | Large-span integral hoisting construction method for large-caliber long-distance pipeline |
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| CN111503367A (en) * | 2020-03-16 | 2020-08-07 | 上海二十冶建设有限公司 | Method for installing truss pipeline penetrating through high-speed culvert |
| CN111620237B (en) * | 2020-06-12 | 2024-05-24 | 中国二十二冶集团有限公司 | Crane beam inner pipeline installation device and installation method |
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