CN102561689B - Construction method for cantilever lifting scaffold - Google Patents
Construction method for cantilever lifting scaffold Download PDFInfo
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- CN102561689B CN102561689B CN201210039899.9A CN201210039899A CN102561689B CN 102561689 B CN102561689 B CN 102561689B CN 201210039899 A CN201210039899 A CN 201210039899A CN 102561689 B CN102561689 B CN 102561689B
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Abstract
A construction method for a cantilever lifting scaffold includes the steps: pre-embedding ground anchors floor by floor on floors on which a scaffold is planned to set up; after the ground anchors are pre-embedded on two floors, sequentially mounting cantilever rods, pressure rods, stress links and tension rods on the two floors; assembling a single bent on the ground while mounting the rods; using a tower crane to lift the assembled single bent, fixedly connecting the single bent with the cantilever rods through right-angled fasteners, setting a safety set outside the single bent, and finishing installation of the cantilever lifting scaffold for one lifting unit; after construction of one lifting unit, loosening the right-angled fasteners, lifting the single bent to the upper floor, fixedly connecting the single bent to the cantilever rods on the upper floor, and obtaining a new lifting unit; and cyclically lifting for use. The scaffold is more reasonable in structure and simpler in construction, and is a novel lightweight, flexible, safe, and economical scaffold capable of adapting to construction of bodies of high-rise concrete frame structures and frame shear structures and construction of building projects, and the scaffold has evident economic and social benefits.
Description
Technical field
The present invention relates to the construction method of the construction method of scaffold in building construction process, particularly a kind of cantilever lifting scaffold.
Background technology
In modern building construction process, scaffold is as the requisite aid of building operations, and its type structure also should be broken through traditional mode, constantly looks for novelty, to adapt to the architectural image of continuous variation.Conventional scaffold building mode has three kinds of electric hoist frame, supporting rod type builder's jack and shaped steel outrigger formula builder's jacks.Electric hoist frame, although have lifting freely, safe and reliable, do not account for the advantage that activity time and tower crane hang time, its expense is higher, uneconomical; Supporting rod type outrigger scaffold, its support bar is concentrated pressurized, unstability very easily, safety is bad; Shaped steel outrigger formula outrigger scaffold, outrigger is shaped steel, and weight is large, and during lifting, outrigger hangs floor in company with shelf and stretches into next floor again, and because support body is heavier, lifting promotes time-consuming many, and difficulty of construction is larger, and safety is also undesirable.
Summary of the invention
The present invention be directed to the deficiency of existing builder's jack, provide a kind of and set up easily, cost is low, promote the construction method of cantilever lifting scaffold easily.
The technical scheme that realizes the employing of foregoing invention object is: a kind of construction method of cantilever lifting scaffold, described cantilever lifting scaffold comprises earth anchor, rod, covers bar, pull bar, stressed connecting rod, single and safety net form, between each body of rod, by cruciform fastening for falsework, be connected and fixed, described construction method is carried out according to following steps:
A, in plan, set up on the floor of scaffold successively pre-buried earth anchor;
After b, pre-buried complete two floors of earth anchor, on this two-layer floor, rod is installed successively, covered bar, stressed connecting rod and pull bar, wherein rod with floor edge-perpendicular, cover that bar is vertical with rod with stressed connecting rod, the stressed connecting rod in pull bar and two contiguous floors is connected and fixed;
In the time of c, the installation body of rod, on ground, carry out single assembling;
D, with tower crane, single of assembling hung to liter, and with right-angle coupler, single is connected and fixed with rod, safety net, the cantilever lifting scaffold installation of a lift unit are installed in single outside;
E, after the construction of lift unit, unclamp right-angle coupler, be connected and fixed with the rod of top floor again after single shelf is promoted to a floor, form new lift unit, circularly enhancing is used successively.
The height of single is included the height of construction layer, conservation layer and three floor of form removal layer.
The earth anchor anchor heart is 2 times of single length of floor back gauge apart from the length on floor limit.
On every rod, be arranged with two stressed connecting rods in parallel, the upper end of pull bar is connected with the stressed connecting rod of top rod inner side, and the lower end of pull bar is connected with the stressed connecting rod in below rod outside.
Compare with traditional builder's jack, the present invention takes full advantage of common steel pipe scaffolding withstand voltage properties shortcoming and the superior feature of tensile property, on suspension scaffold form design, making main stressed member is tension member, project organization is reasonable, simultaneously, the fastener connected mode that single-row of scaffold and rod are easy and the design of unit three-layer type, can be along with structure promotes at any time while making to apply, convenient, flexible, compare conventional electric hoist frame, when greatly reducing construction cost, have advantages of that again they are all; Compare conventional shaped steel outrigger formula suspension scaffold, more reasonable structure, constructs easier, is the new type scaffold of a kind of not only light and flexible but also safety economy, can be applicable to high-rise concrete frame structure, frame structure main body and masonry project construction, economic benefit and social benefit are remarkable.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
In figure: earth anchor 1, covers bar 2, rod 3, pull bar 4, stressed connecting rod 5, single 6, safety net 7, upper strata floor 8, lower floor's floor 9.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
Referring to accompanying drawing 1, cantilever lifting scaffold in the construction method of this cantilever lifting scaffold disclosed in this invention comprises earth anchor 1, covers bar 2, rod 3, pull bar 4, stressed connecting rod 5, single 6 and safety net 7 form, and between each body of rod, by cruciform fastening for falsework, is connected and fixed.Wherein, earth anchor is that round steel is made; Rod, cover bar, pull bar, stressed connecting rod, single and be Ф 48 * 3.5 steel pipes, with cruciform fastening for falsework, be formed by connecting.
The construction method of cantilever lifting scaffold is carried out according to following steps.
A, in plan, set up on the floor of scaffold successively pre-buried earth anchor; It is example that the present embodiment be take upper floor plate 8 and the two-layer floor of lower floor's floor 9, earth anchor 1 is embedded in the concrete of two-layer floor, earth anchor is that Ф 12 round steel are made rectangular class " several " word shape, while building floorslab concrete, be embedded in design attitude concrete, exposed parts size can penetrate two Ф 48 * 3.5 steel pipes and be advisable.
After b, pre-buried complete two floors of earth anchor, on this two-layer floor, rod is installed successively, covered bar, stressed connecting rod and pull bar, wherein rod with floor edge-perpendicular, cover that bar is vertical with rod with stressed connecting rod, the stressed connecting rod in pull bar and two contiguous floors is connected and fixed, pull bar top is connected with the stressed connecting rod in upper strata (construction layer), and pull bar bottom is connected with stressed connecting rod outside lower floor's (anchor layer); The earth anchor anchor heart is 2 times of single length of floor back gauge apart from the length on floor limit, and generally setting the earth anchor anchor heart is L1 apart from the length on floor limit, and the length that floor back gauge is single is L2, and the shortest length of rod meets L
1=3L
2+ 200 * 2 and 500mm≤L
2≤ 900mm.On every rod, be arranged with two stressed connecting rods in parallel, the stressed connecting rod of inner side is positioned at concrete building panel edges, parallel with floor edge, and the stressed connecting rod in outside is positioned at rod end, perpendicular to rod.The upper end of pull bar is connected with the stressed connecting rod of top rod inner side, and the lower end of pull bar is connected with the stressed connecting rod in below rod outside.
In the time of c, the installation body of rod, on ground, carry out single assembling; The height of single is included the height of construction layer, conservation layer and three floor of form removal layer, and if typical floor height is 3.3m, the height of so single needs 9.9m.
D, with tower crane, single of assembling hung to liter, and with right-angle coupler, single is connected and fixed with rod, make single anchoring height that has a floor, single outside along support body overall height with the sealing of close hole safety net and tightly reveal all the details, to guarantee that each layer of job safety and form removal layer do not occur that junk is hurted sb.'s feelings and falling accident.The cantilever lifting scaffold installation of a lift unit.
E, after the anchor layer construction of a lift unit, unclamp right-angle coupler, be connected and fixed with the rod of top floor again after single shelf is promoted to a floor, form new lift unit.Be after the form removal of form removal layer, by a floor of single lifting, former conservation layer becomes form removal layer, starts next circulation, then carries out the construction of top floor, circularly enhancing use successively.
Claims (2)
1. the construction method of a cantilever lifting scaffold, described cantilever lifting scaffold comprises earth anchor, rod, covers bar, pull bar, stressed connecting rod, single and safety net, between each body of rod, by cruciform fastening for falsework, be connected and fixed, it is characterized in that, described construction method is carried out according to following steps:
A, in plan, set up on the floor of scaffold successively pre-buried earth anchor;
After b, pre-buried complete two floors of earth anchor, on this two-layer floor, rod is installed successively, covered bar, stressed connecting rod and pull bar, wherein rod with floor edge-perpendicular, cover that bar is vertical with rod with stressed connecting rod, the stressed connecting rod in pull bar and two contiguous floors is connected and fixed;
on every rod, be arranged with two stressed connecting rods in parallel, the stressed connecting rod of inner side is positioned at concrete building panel edges, parallel with floor edge, the stressed connecting rod in outside is positioned at rod end, perpendicular to rod, the upper end of pull bar is connected with the stressed connecting rod of top rod inner side, and the lower end of pull bar is connected with the stressed connecting rod in below rod outside;
In the time of c, the installation body of rod, on ground, carry out single assembling; The height of single is included the height of construction layer, conservation layer and three floor of form removal layer;
D, with tower crane, single of assembling hung to liter, and with right-angle coupler, single is connected and fixed with rod, safety net, the cantilever lifting scaffold installation of a lift unit are installed in single outside;
E, after the construction of lift unit, unclamp right-angle coupler, be connected and fixed with the rod of top floor again after single shelf is promoted to a floor, form new lift unit, circularly enhancing is used successively.
2. the construction method of cantilever lifting scaffold according to claim 1, is characterized in that, the earth anchor anchor heart is 2 times of single length of floor back gauge apart from the length on floor limit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210039899.9A CN102561689B (en) | 2012-02-22 | 2012-02-22 | Construction method for cantilever lifting scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210039899.9A CN102561689B (en) | 2012-02-22 | 2012-02-22 | Construction method for cantilever lifting scaffold |
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| CN102561689A CN102561689A (en) | 2012-07-11 |
| CN102561689B true CN102561689B (en) | 2014-10-29 |
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| CN201210039899.9A Active CN102561689B (en) | 2012-02-22 | 2012-02-22 | Construction method for cantilever lifting scaffold |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852334B (en) * | 2012-09-27 | 2015-06-03 | 江苏弘盛建设工程集团有限公司 | Construction technology for high-rise anti-slippage scaffold |
| CN102995889B (en) * | 2012-11-14 | 2015-07-01 | 中冶天工集团有限公司 | Method for building mould of honeycomb type reticulated shell high-altitude scaffold |
| CN103321399B (en) * | 2013-06-25 | 2015-12-16 | 北京金港建设股份有限公司 | The outer eaves gable place's suspension scaffold of highrise building Sloping roof and construction method thereof |
| CN104234425B (en) * | 2013-11-19 | 2016-04-27 | 刘明瑞 | A kind of shear wall structure trowel free process |
| CN107100187B (en) * | 2017-05-22 | 2019-07-30 | 庄爱军 | Tower crane steel girder erection structure and installation method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08333886A (en) * | 1995-06-08 | 1996-12-17 | Ohbayashi Corp | Structure of access board for jumping scaffolding in building construction |
| CN2290651Y (en) * | 1997-05-23 | 1998-09-09 | 魏炜 | Bridge type climbing scaffold |
| CN2306284Y (en) * | 1997-07-15 | 1999-02-03 | 陈胜坤 | Bridgeing rail type attached lift scaffold |
| JP3830934B2 (en) * | 2003-10-27 | 2006-10-11 | 大雅工業株式会社 | Temporary scaffolding for concrete placement |
| CN101696598A (en) * | 2009-09-24 | 2010-04-21 | 中冶建工有限公司 | Wholly lifted construction external frame |
| CN101845883A (en) * | 2010-06-04 | 2010-09-29 | 刘玉伟 | Climbing scaffold system and construction method |
-
2012
- 2012-02-22 CN CN201210039899.9A patent/CN102561689B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08333886A (en) * | 1995-06-08 | 1996-12-17 | Ohbayashi Corp | Structure of access board for jumping scaffolding in building construction |
| CN2290651Y (en) * | 1997-05-23 | 1998-09-09 | 魏炜 | Bridge type climbing scaffold |
| CN2306284Y (en) * | 1997-07-15 | 1999-02-03 | 陈胜坤 | Bridgeing rail type attached lift scaffold |
| JP3830934B2 (en) * | 2003-10-27 | 2006-10-11 | 大雅工業株式会社 | Temporary scaffolding for concrete placement |
| CN101696598A (en) * | 2009-09-24 | 2010-04-21 | 中冶建工有限公司 | Wholly lifted construction external frame |
| CN101845883A (en) * | 2010-06-04 | 2010-09-29 | 刘玉伟 | Climbing scaffold system and construction method |
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| CN102561689A (en) | 2012-07-11 |
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