CN102561689A - Construction method for cantilever lifting scaffold - Google Patents
Construction method for cantilever lifting scaffold Download PDFInfo
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- CN102561689A CN102561689A CN2012100398999A CN201210039899A CN102561689A CN 102561689 A CN102561689 A CN 102561689A CN 2012100398999 A CN2012100398999 A CN 2012100398999A CN 201210039899 A CN201210039899 A CN 201210039899A CN 102561689 A CN102561689 A CN 102561689A
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- rod
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- encorbelmenting
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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 Scaffold construction in the building construction process, particularly a kind of job practices of the hoisting scaffold of encorbelmenting.
Background technology
In the building construction process in modern times, 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.The electric hoist frame, though have up-down freely, safe and reliable, do not account for the advantage that activity time and tower crane hang time, its expense is higher, and is uneconomical; The 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 a shaped steel, and weight is big, and outrigger hangs floor in company with shelf and stretches into next floor again during lifting, and because support body is heavier, lifting promotes time-consuming many, and difficulty of construction is bigger, 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 job practices of the hoisting scaffold of encorbelmenting easily.
Realize that the technical scheme that the foregoing invention purpose adopts is: a kind of job practices of the hoisting scaffold of encorbelmenting; The said hoisting scaffold of encorbelmenting comprises earth anchor, rod, covers bar, pull bar, stressed connecting rod, single and safety net are formed; Fixing through the cruciform fastening for falsework connection between each body of rod, said job practices is carried out according to following steps:
A, set up successively pre-buried earth anchor on the floor of scaffold in plan;
Behind b, pre-buried intact 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 the floor edge-perpendicular, cover that bar is vertical with rod with stressed connecting rod, pull bar is connected fixing with stressed connecting rod on two contiguous floors;
In the time of c, the installation body of rod, carry out single assembling on ground;
D, will assemble with tower crane single hang liter, and with right-angle coupler single are connected fixingly with rod, and safety net, the hoisting scaffold installation of encorbelmenting of a lift unit are installed in single the outside;
E, after the construction of lift unit finishes, unclamp right-angle coupler, single shelf is promoted is connected behind the floor fixingly again with the rod of top floor, form new lift unit, circularly enhancing use successively.
Single height 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.
Be arranged with two stressed connecting rods on the every rod in parallel, the upper end of pull bar is connected with the inboard stressed connecting rod of top rod, and the lower end of pull bar is connected with the stressed connecting rod in the below rod outside.
Compare with traditional builder's jack, the present invention has made full use of common pin hand steel pipe withstand voltage properties shortcoming and the superior characteristics of tensile property, designs in the frame form of encorbelmenting and makes that main stressed member is a tension member; Project organization is reasonable; Simultaneously, the fastener connected mode that single scaffold and rod are easy and the design of unit three-layer type, making can be along with structure promotes at any time when using; Convenient, flexible; Compare conventional electric hoist frame, when greatly reducing construction cost, have its all advantage again; Compare the conventional shaped steel outrigger formula frame of encorbelmenting; More reasonable structure, it is easier to construct, and 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 obvious social benefit.
Description of drawings
Fig. 1 is an overall structure sketch map of the present invention.
Among the 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 is further specified.
Referring to accompanying drawing 1; The hoisting scaffold of encorbelmenting in the job practices of the disclosed this hoisting scaffold of encorbelmenting of the present invention comprises earth anchor 1, covers bar 2, rod 3, pull bar 4, stressed connecting rod 5, single 6 and safety net 7 are formed, and connects fixing between each body of rod through cruciform fastening for falsework.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, be formed by connecting with cruciform fastening for falsework.
The job practices of the hoisting scaffold of encorbelmenting is carried out according to following steps.
A, set up successively pre-buried earth anchor on the floor of scaffold in plan; Present embodiment is example with upper floor plate 8 with lower floor's floor 9 two-layer floors; Earth anchor 1 is embedded in the concrete of two-layer floor; Earth anchor is that Ф 12 round steel are made rectangular type of " several " word shape; Be embedded in when building floorslab concrete in the design attitude concrete, the exposed parts size can penetrate two Ф 48 * 3.5 steel pipes and be advisable.
Behind b, pre-buried intact 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 the floor edge-perpendicular, cover that bar is vertical with rod with stressed connecting rod, pull bar is connected fixing with stressed connecting rod on two contiguous floors; Pull bar top links to each other with the stressed connecting rod in upper strata (construction layer), and pull bar bottom and lower floor's (anchor layer) the stressed connecting rod in the outside links to each other; 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 the floor back gauge is single is L2, and the shortest length of rod satisfies L
1=3L
2+ 200 * 2 and 500mm≤L
2≤900mm.Be arranged with two stressed connecting rods on the every rod in parallel, inboard stressed connecting rod is positioned at the concrete building panel edges, and parallel with the floor edge, the stressed connecting rod in the outside is positioned at the rod end, perpendicular to rod.The upper end of pull bar is connected with the inboard stressed connecting rod of top rod, and the lower end of pull bar is connected with the stressed connecting rod in the below rod outside.
In the time of c, the installation body of rod, carry out single assembling on ground; Single height is included the height of construction layer, conservation layer and three floor of form removal layer, is 3.3m like the typical floor height, and so single height needs 9.9m.
D, will assemble with tower crane single hang liter; And be connected fixing with rod with single with right-angle coupler; Make single the anchoring height that a floor is arranged; Single outside with sealing of close hole safety net and tight revealing all the details, do not take place to guarantee each layer job safety and form removal layer that junk is hurted sb.'s feelings and falling accident along the support body overall height.The hoisting scaffold installation of encorbelmenting of a lift unit.
E, after the construction of the anchor layer of a lift unit finishes, unclamp right-angle coupler, single shelf is promoted to be connected with the rod of top floor behind the floor again fixes, form new lift unit.Be after the form removal of form removal layer finishes, with floor of single lifting, former conservation layer becomes the form removal layer, and the construction of top floor is carried out in the next circulation of beginning again, circularly enhancing use successively.
Claims (4)
1. the job practices of the hoisting scaffold of encorbelmenting; The said hoisting scaffold of encorbelmenting comprises earth anchor, rod, covers bar, pull bar, stressed connecting rod, single and safety net are formed; Connect fixing between each body of rod through cruciform fastening for falsework; It is characterized in that said job practices is carried out according to following steps:
A, set up successively pre-buried earth anchor on the floor of scaffold in plan;
Behind b, pre-buried intact 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 the floor edge-perpendicular, cover that bar is vertical with rod with stressed connecting rod, pull bar is connected fixing with stressed connecting rod on two contiguous floors;
In the time of c, the installation body of rod, carry out single assembling on ground;
D, will assemble with tower crane single hang liter, and with right-angle coupler single are connected fixingly with rod, and safety net, the hoisting scaffold installation of encorbelmenting of a lift unit are installed in single the outside;
E, after the construction of lift unit finishes, unclamp right-angle coupler, single shelf is promoted is connected behind the floor fixingly again with the rod of top floor, form new lift unit, circularly enhancing use successively.
2. the job practices of the hoisting scaffold of encorbelmenting according to claim 1 is characterized in that, single height is included the height of construction layer, conservation layer and three floor of form removal layer.
3. the job practices of the hoisting scaffold of encorbelmenting 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.
4. the job practices of the hoisting scaffold of encorbelmenting according to claim 1; It is characterized in that; Be arranged with two stressed connecting rods on the every rod in parallel, the upper end of pull bar is connected with the inboard stressed connecting rod of top rod, and the lower end of pull bar is connected with the stressed connecting rod in the below rod outside.
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 true CN102561689A (en) | 2012-07-11 |
| CN102561689B 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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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852334A (en) * | 2012-09-27 | 2013-01-02 | 江苏弘盛建设工程集团有限公司 | Construction technology for high-rise anti-slippage scaffold |
| CN102995889A (en) * | 2012-11-14 | 2013-03-27 | 中冶天工集团有限公司 | Method for building mould of honeycomb type reticulated shell high-altitude scaffold |
| CN103321399A (en) * | 2013-06-25 | 2013-09-25 | 北京金港机场建设有限责任公司 | Suspension scaffold at gable at sloping roof eaves of high-rise building, and construction method thereof |
| CN104234425A (en) * | 2013-11-19 | 2014-12-24 | 刘明瑞 | Plastering omitting process for shear wall structure |
| CN107100187A (en) * | 2017-05-22 | 2017-08-29 | 庄爱军 | Tower crane steel girder erection structure and installation method |
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| 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 |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852334A (en) * | 2012-09-27 | 2013-01-02 | 江苏弘盛建设工程集团有限公司 | Construction technology for high-rise anti-slippage scaffold |
| 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 |
| CN102995889A (en) * | 2012-11-14 | 2013-03-27 | 中冶天工集团有限公司 | Method for building mould of honeycomb type reticulated shell high-altitude 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 |
| CN103321399A (en) * | 2013-06-25 | 2013-09-25 | 北京金港机场建设有限责任公司 | Suspension scaffold at gable at sloping roof eaves of high-rise building, and construction method thereof |
| 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 |
| CN104234425A (en) * | 2013-11-19 | 2014-12-24 | 刘明瑞 | Plastering omitting process for shear wall structure |
| CN104234425B (en) * | 2013-11-19 | 2016-04-27 | 刘明瑞 | A kind of shear wall structure trowel free process |
| CN107100187A (en) * | 2017-05-22 | 2017-08-29 | 庄爱军 | Tower crane steel girder erection structure and installation method |
| CN107100187B (en) * | 2017-05-22 | 2019-07-30 | 庄爱军 | Tower crane steel girder erection structure and installation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102561689B (en) | 2014-10-29 |
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