CN108396970A - A kind of integral installation method of plane grid - Google Patents

A kind of integral installation method of plane grid Download PDF

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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
Authority
CN
China
Prior art keywords
rack
integral installation
plane grid
crane
construction
Prior art date
Application number
CN201810215639.XA
Other languages
Chinese (zh)
Inventor
厉广永
孟卫
刘金鹏
崔会金
孙家宽
Original Assignee
江苏恒久钢构有限公司
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 江苏恒久钢构有限公司 filed Critical 江苏恒久钢构有限公司
Priority to CN201810215639.XA priority Critical patent/CN108396970A/en
Publication of CN108396970A publication Critical patent/CN108396970A/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14Conveying or assembling building elements
    • E04G21/16Tools or apparatus

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

A kind of integral installation method of plane grid

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.
CN201810215639.XA 2018-03-15 2018-03-15 A kind of integral installation method of plane grid CN108396970A (en)

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

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Application Number Title Priority Date Filing Date
CN201810215639.XA CN108396970A (en) 2018-03-15 2018-03-15 A kind of integral installation method of plane grid

Country Status (1)

Country Link
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Citations (4)

* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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

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