CN108396970A - A kind of integral installation method of plane grid - Google Patents
A kind of integral installation method of plane grid Download PDFInfo
- Publication number
- CN108396970A CN108396970A CN201810215639.XA CN201810215639A CN108396970A CN 108396970 A CN108396970 A CN 108396970A CN 201810215639 A CN201810215639 A CN 201810215639A CN 108396970 A CN108396970 A CN 108396970A
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- China
- Prior art keywords
- rack
- integral installation
- installation method
- plane grid
- crane
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- 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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a kind of integral installation methods of plane grid, include the following steps：A, absolute altitude is checked and accepted, and the absolute altitude of rack support column to middle size and the bearing surface of concrete column is carried out an acceptance inspection；B, ground unwrapping wire carries out ground unwrapping wire using spirit level and theodolite；C, rack assembles, and by the practical setting-out size of rack, is assembled from an angle or a line, and leading group, to two web members, two top boom, forms herringbone junior unit；D, it determines crane quantity, determines that crane quantity is 2 or 4 according to arrangement and method for construction and construction width；E, determine that suspension centre, suspension centre should carry out examination on microcomputer and hang confirmation, Success in Experiment, that is, Liftable；F, examination is hung, and carrying out examination to the rack before lifting at the construction field (site) hangs, and confirmation is errorless to carry out integral hoisting；G, it lifts, is lifted using crane vertical-horizontal.In the integral installation method of plane grid in the present invention, the installment work of the project is installed into using truck crane, not only quick but also safety reduces cost.
Description
Technical field
The present invention relates to steel structure technology fields, more particularly to a kind of integral installation method of plane grid.
Background technology
The installation of conventional planar rack uses full hall scaffold high altitude bulk, the requirement height for technology, cost
Greatly, and elapsed time is more, and worker can also encounter some contingencies in operation process.
Invention content
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of integral installation methods of plane grid.This
Technical solution is used by invention：A kind of integral installation method of plane grid, includes the following steps：
A, absolute altitude is checked and accepted, and the absolute altitude of rack support column to middle size and the bearing surface of concrete column is carried out an acceptance inspection；
B, ground unwrapping wire carries out ground unwrapping wire using spirit level and theodolite；
C, rack assembles, and by the practical setting-out size of rack, is assembled from an angle or a line, leading group on two web members two
Chord member forms herringbone junior unit；
D, it determines crane quantity, determines that crane quantity is 2 or 4 according to arrangement and method for construction and construction width；
E, determine that suspension centre, suspension centre should carry out examination on microcomputer and hang confirmation, Success in Experiment, that is, Liftable should be as possible when determining suspension centre
Symmetrical reconnaissance considers the isometric and intensity of steel wire rope, uniform force is made not tilt；
F, examination is hung, and lifting is preceding at the construction field (site) carries out trying to hang to the rack, and liftoff 200-300mm, confirmation is errorless to carry out entirety
Lifting；
G, it lifts, is lifted using crane vertical-horizontal.
Further, in above-mentioned steps b, on ground, unwrapping wire half of the grid that should be staggered to support column is installed.
Further, in above-mentioned steps c, rack will reserve the height of maximum bolt bulb diameter when assembling.
Further, in above-mentioned steps c, when web member is connect with top boom, bushing pipe, external weld all around connection are internally provided with.
Further, in above-mentioned steps c, whether assembling 3-4 grid, to verify installation dimension wrong, after errorless
Continue to install.
Further, in above-mentioned steps c, high-strength bolt, Ying Bao should be tightened simultaneously by installing herringbone junior unit and rack
Card high-strength bolt is tightened in place.
Further, every crane should all there are 30% risk factor values.
Further, the safety coefficient when steel wire rope is without bending, should be 6-7 times of wire-rope safety factor.
Further, it is additionally provided with bracing means outside high-strength bolt, to consolidate the connection of bolt sphere.
Compared with prior art, the beneficial effects of the invention are as follows：
1, the installation of plane grid, the installment work that the project is installed into using truck crane were not only quick but also safe.
2, simple and easy to make, it is convenient to use, installation cost is reduced, installation progress is processed.
Description of the drawings
Fig. 1 is a kind of flow chart of the integral installation method of plane grid of the present invention；
Fig. 2 is rack integral hoisting schematic diagram of the present invention；
Fig. 3 is herringbone junior unit structural schematic diagram of the present invention.
Wherein：1- chord members, 2- web members, 3- bracing means, 4- bolt spheres, 5- herringbone junior units.
Specific implementation mode
In order to deepen the understanding of the present invention, present invention will be further explained below with reference to the attached drawings and examples, the implementation
Example is only used for explaining the present invention, does not constitute and limits to protection scope of the present invention.
Embodiment one：
As depicted in figs. 1 and 2, a kind of integral installation method of plane grid, includes the following steps：
A, absolute altitude is checked and accepted, and the absolute altitude of rack support column centre to centre size and the bearing surface of concrete column is carried out an acceptance inspection；
B, ground unwrapping wire carries out ground unwrapping wire using spirit level and theodolite, when unwrapping wire reply support column be staggered half of grid into
Row installation；
C, rack assembles, and by the practical setting-out size of rack, is assembled from an angle, leading group to two web members, two top boom, shape
At herringbone junior unit；
D, it determines crane quantity, determines that crane quantity is 2 according to arrangement and method for construction and construction width；
E, determine that suspension centre, suspension centre should carry out examination on microcomputer and hang confirmation, Success in Experiment, that is, Liftable；
F, examination is hung, and carrying out examination to the rack before lifting at the construction field (site) hangs, liftoff 200mm, and confirmation is errorless to carry out integral hoisting；
G, it lifts, is lifted using crane vertical-horizontal.
Embodiment two：
As depicted in figs. 1 and 2, a kind of integral installation method of plane grid, includes the following steps：
A, absolute altitude is checked and accepted, and the absolute altitude of rack support column centre to centre size and the bearing surface of concrete column is carried out an acceptance inspection；
B, ground unwrapping wire carries out ground unwrapping wire using spirit level and theodolite, when unwrapping wire reply support column be staggered half of grid into
Row installation；
C, rack assembles, and by the practical setting-out size of rack, is assembled from a line, leading group to two web members, two top boom, shape
At herringbone junior unit；
D, it determines crane quantity, determines that crane quantity is 4 according to arrangement and method for construction and construction width；
E, determine that suspension centre, suspension centre should carry out examination on microcomputer and hang confirmation, Success in Experiment, that is, Liftable；
F, examination is hung, and carrying out examination to the rack before lifting at the construction field (site) hangs, liftoff 300mm, and confirmation is errorless to carry out integral hoisting；
G, it lifts, is lifted using crane vertical-horizontal.
In the above-described embodiments, in step c, rack will reserve the height of maximum bolt bulb diameter when assembling, to adapt to
Various sizes of bolt sphere, installation two chord members 1 and two web members 2 formation herringbone junior unit 5, when installation, should tighten bolt sphere 4 simultaneously
With chord member 1, the high-strength bolt of 2 junction of web member, it should ensure that high-strength bolt is tightened in place, and in high-strength bolt peripheral hardware
Bracing means 3 is set, and assembles 3-4 grid whether verify installation dimension wrong, continues to install after errorless.
In the above-described embodiments, every crane should all there are 30% risk factor values.
What the embodiment of the present invention was announced is preferred embodiment, and however, it is not limited to this, the ordinary skill people of this field
Member understands the spirit of the present invention easily according to above-described embodiment, and makes different amplification and variation, but as long as not departing from this
The spirit of invention, all within the scope of the present invention.
Claims (9)
1. a kind of integral installation method of plane grid, it is characterised in that：Include the following steps：
A, absolute altitude is checked and accepted, and the absolute altitude of rack support column to middle size and the bearing surface of concrete column is carried out an acceptance inspection；
B, ground unwrapping wire carries out ground unwrapping wire using spirit level and theodolite；
C, rack assembles, and by the practical setting-out size of rack, is assembled from an angle or a line, leading group on two web members two
Chord member forms herringbone junior unit；
D, it determines crane quantity, determines that crane quantity is 2 or 4 according to arrangement and method for construction and construction width；
E, determine that suspension centre, suspension centre should carry out examination on microcomputer and hang confirmation, Success in Experiment, that is, Liftable；
F, examination is hung, and lifting is preceding at the construction field (site) carries out trying to hang to the rack, and liftoff 200-300mm, confirmation is errorless to carry out entirety
Lifting；
G, it lifts, is lifted using crane vertical-horizontal.
2. the integral installation method of plane grid according to claim 1, it is characterised in that：In above-mentioned steps b, on ground
Unwrapping wire half of the grid that should be staggered to support column in face is installed.
3. the integral installation method of plane grid according to claim 1, it is characterised in that：In above-mentioned steps c, rack
The height of maximum bolt bulb diameter is reserved when assembling.
4. the integral installation method of plane grid according to claim 1 or 3, it is characterised in that：In above-mentioned steps c,
When web member is connect with top boom, it is internally provided with bushing pipe, external weld all around connection.
5. the integral installation method of plane grid according to claim 1 or 3, it is characterised in that：In above-mentioned steps c,
Whether assembling 3-4 grid, to verify installation dimension wrong, continues to install after errorless.
6. the integral installation method of plane grid according to claim 1 or 3, it is characterised in that：In above-mentioned steps c,
Installation herringbone junior unit and rack should tighten high-strength bolt simultaneously, should ensure that high-strength bolt is tightened in place.
7. the integral installation method of plane grid according to claim 1, it is characterised in that：Every crane should all be there are
30% risk factor value.
8. the integral installation method of plane grid according to claim 1, it is characterised in that：When the steel wire rope is without bending
Safety coefficient, should be 6-7 times of wire-rope safety factor.
9. the integral installation method of plane grid according to claim 6, it is characterised in that：High-strength bolt is additionally provided with outside
Bracing means, to consolidate the connection of bolt sphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810215639.XA CN108396970A (en) | 2018-03-15 | 2018-03-15 | A kind of integral installation method of plane grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810215639.XA CN108396970A (en) | 2018-03-15 | 2018-03-15 | A kind of integral installation method of plane grid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108396970A true CN108396970A (en) | 2018-08-14 |
Family
ID=63092559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810215639.XA Pending CN108396970A (en) | 2018-03-15 | 2018-03-15 | A kind of integral installation method of plane grid |
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| Country | Link |
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| CN (1) | CN108396970A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111535442A (en) * | 2020-05-08 | 2020-08-14 | 安徽伟宏钢结构集团股份有限公司 | Welding ball net rack assembling construction process |
| CN111535439A (en) * | 2020-05-08 | 2020-08-14 | 安徽伟宏钢结构集团股份有限公司 | Integral installation construction method of planar net rack |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0882100A (en) * | 1994-09-08 | 1996-03-26 | Takenaka Komuten Co Ltd | Lift-up method for constructing catwalk |
| CN101988308A (en) * | 2010-09-30 | 2011-03-23 | 中国华西企业有限公司 | Non-support installation method of long-span spatial bolt ball steel reticulated shell dome |
| CN105178609A (en) * | 2015-09-06 | 2015-12-23 | 中建二局第三建筑工程有限公司 | High-altitude bulk construction method for steel-structure grid |
| CN106703420A (en) * | 2017-02-13 | 2017-05-24 | 山西宏厦建筑工程第三有限公司 | Large-span ball joint spherical wire frame cluster rocker hoisting construction method |
-
2018
- 2018-03-15 CN CN201810215639.XA patent/CN108396970A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0882100A (en) * | 1994-09-08 | 1996-03-26 | Takenaka Komuten Co Ltd | Lift-up method for constructing catwalk |
| CN101988308A (en) * | 2010-09-30 | 2011-03-23 | 中国华西企业有限公司 | Non-support installation method of long-span spatial bolt ball steel reticulated shell dome |
| CN105178609A (en) * | 2015-09-06 | 2015-12-23 | 中建二局第三建筑工程有限公司 | High-altitude bulk construction method for steel-structure grid |
| CN106703420A (en) * | 2017-02-13 | 2017-05-24 | 山西宏厦建筑工程第三有限公司 | Large-span ball joint spherical wire frame cluster rocker hoisting construction method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111535442A (en) * | 2020-05-08 | 2020-08-14 | 安徽伟宏钢结构集团股份有限公司 | Welding ball net rack assembling construction process |
| CN111535439A (en) * | 2020-05-08 | 2020-08-14 | 安徽伟宏钢结构集团股份有限公司 | Integral installation construction method of planar net rack |
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| PB01 | Publication | ||
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Application publication date: 20180814 |