CN101265748B - Tools type section steel fastener steel tube outer scaffold - Google Patents
Tools type section steel fastener steel tube outer scaffold Download PDFInfo
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- CN101265748B CN101265748B CN2008103014547A CN200810301454A CN101265748B CN 101265748 B CN101265748 B CN 101265748B CN 2008103014547 A CN2008103014547 A CN 2008103014547A CN 200810301454 A CN200810301454 A CN 200810301454A CN 101265748 B CN101265748 B CN 101265748B
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Abstract
The invention discloses a tool-type section steel fastener steel pipe external scaffolding used in building operation, which has wider application scope and is more economic on the promise of security guarantee. The external scaffolding is located and supported on the section steel beam, one end of the section steel beam is fixed on the structural body of the building, and the other end thereof is fixedly connected on the structural body of the building through obliquely drawing upwards the steel wire rope. The structure has the advantages of repeated use and flexible combination, and forms a full set of tool type scaffolding system; the structure is capable of building and unloading piecewise, thereby increasing the safety factor of the scaffolding structure, guaranteeing the construction quality of the scaffolding; the structure is capable of accelerating the construction, saving the construction period and guaranteeing the smooth follow-on work. By adopting the section steel beam as the bearing component, the molded section steel beam can be repeatedly used, thereby greatly reducing the construction cost and enjoying better economical benefit, which can be generalized and utilized in the prior building operation.
Description
Technical field
The present invention relates to the external scaffolding that uses in a kind of building operations.
Background technology
At present, along with the continuous development of builing industry and the needs of market economy, highrise building is more and more, and the requirement of external scaffolding also increases thereupon.Existing external scaffolding adopts steel pipe usually, fastener, wall-connecting piece, scaffold floor, foot guard plate, component and fitting such as safety net and lightning protection is assembled as required to set up and is formed, steel pipe is divided into cross bar and vertical rod, fastener steel tube outer scaffold after setting up is connected it by wall-connecting piece with major structure of construction, this traditional external scaffolding is generally two-row structure, be also referred to as the console mode external scaffolding, its construction must (JGJ130-2001) require to set up in strict accordance with " building operations fastener type steel pipe scaffold technical specification of security ", has reusable, the characteristics of flexible combination.For present highrise building, console mode external scaffolding consumption is big, it is long to take the cycle, strengthened the cost of building operations, in addition, existing console mode external scaffolding is narrow and small or be subjected to the local inapplicable of condition restriction for building periphery place, for example: 1, engineering foundation or basement construction are not finished and are not possessed basic acceptance condition and do not carry out the basic earthwork backfill, and engineering must be set up external scaffolding again and carry out major project when rising; When 2, around the agent structure podium being arranged; 3, building is high level or superelevation layer, in the time of should not adopting the console mode external scaffolding.How accomplishing under the premise that security is guaranteed that setting up of external scaffolding is more economical, suitable, easy, is the difficult problem of present builing industry.
Summary of the invention
Technical problem to be solved by this invention provides a kind of more economical under the premise that security is guaranteed, tools type section steel fastener steel tube outer scaffold that the scope of application is wider.
The technical solution adopted for the present invention to solve the technical problems is: tools type section steel fastener steel tube outer scaffold, comprise the external scaffolding that cross bar, vertical rod, fastener, wall-connecting piece and scaffold floor combination are set up, external scaffolding is connected it by wall-connecting piece with the agent structure of building, it is characterized in that: the external scaffolding positioning supports is on section steel beam, one end of section steel beam is fixed on the structure of building, and the other end of section steel beam draws on the structure that is fixedly connected on building by wire rope is upward.Section steel beam is provided with spacer bars, hanger and baffle plate, section steel beam is fixed by baffle plate and the anchor ring on the structure that is embedded in building, the vertical rod cover of external scaffolding is through on the spacer bars, one end of wire rope is fixed on the hanger, the other end of wire rope is fixed on the ring through walls, ring through walls is fixed on the structure of building, and the axial line of section steel beam and wire rope is in the same perpendicular; Be provided with vertical scissors strut in the opening part of scaffold, two ends and horizontal linear distance less than 15m place, vertical scissors strut is fixed in the vertical rod, vertical 6 vertical rods of scissors strut leap and with horizontal plane at 45～60 ° of angles set up continuously; The scissors strut of the level that is provided with that on the end face of section steel beam, keeps at a certain distance away and sealing underframe, the scissors strut of level is fixed on the short cross bar, also sets up continuously in the vertical rod of both sides inside and outside the two ends of the scissors strut of level are connected to; Wall-connecting piece is striden setting by two steps three.
Above-mentioned scaffold floor is arranged on operation layer.
The invention has the beneficial effects as follows: reusable, the flexible combination of this external scaffolding, form a complete set of scaffold system of tool-type, and can realize that segmentation is set up, the segmentation off-load, increased the safety factor of scaffolding structure, guaranteed the scaffold construction quality.Can when not influencing the agent structure rising, in time provide work plane to intert and carry out basic backfill and other work, thereby accelerate speed of application like this from setting up more than two layers, saved the duration, guaranteed carrying out smoothly of follow-up work.Adopt section steel beam to make load-carrying member, the section steel beam of making moulding can be repeatedly used, and greatly reduces engineering cost, and favorable economic benefit is arranged, and can promote the use of in existing building operations.
Description of drawings
Fig. 1 is the structural representation of section steel beam among the present invention.
Fig. 2 is the schematic diagram of one embodiment of the present invention.
Fig. 3 is the schematic diagram after another embodiment of the invention is removed scaffold.
Fig. 4 is the scheme of installation of scissors strut among the present invention.
Be labeled as among the figure: cross bar 1, vertical rod 2, wall-connecting piece 3, scaffold floor 4, section steel beam 6, wire rope 7, spacer bars 8, hanger 9, baffle plate 10, anchor ring 11, ring through walls 12, scissors strut 13, sealing underframe 14.
The specific embodiment
The present invention is further described below in conjunction with drawings and Examples.
As Fig. 1～shown in Figure 4, tools type section steel fastener steel tube outer scaffold of the present invention, set up the formation external scaffolding by combinations such as cross bar 1, vertical rod 2, fastener, wall-connecting piece 3 and scaffold floors 4, external scaffolding is connected it by wall-connecting piece 3 with the agent structure of building, scaffold building height≤24m is safe and reliable to guarantee.The external scaffolding positioning supports can be produced corresponding location structure on section steel beam 6 on section steel beam 6, its external scaffolding can not moved on section steel beam 6.One end of section steel beam 6 is fixed on the structure of building, and the other end of section steel beam 6 is by wire rope 7 upward drawing on the structure that is fixedly connected on building.Because section steel beam 6 is the main support parts, so section steel beam 6 preferably adopts i iron to make.Cross bar 1 and vertical rod 2 can be adopted the steel pipe of φ 48 * 3.5mm, thereby form the double external scaffolding of fastener type steel pipe.Cross bar 1 is divided into long cross bar 1 and short cross bar 1 usually, and long cross bar 1 is roughly parallel to the setting of building external surface, and short cross bar 1 is approximately perpendicular to the setting of building external surface.The setting that this external scaffolding can adopt the vertical rod 2 in vertical rod advance 1.8m, vertical rod transfer 1.0m, scaffold step pitch 1.8m, the outside to build 350mm apart from section steel beam outer end 50mm, inboard vertical rod 2 distances, increase by one flak jacket railing in the middle of 2 per steps of vertical rod in the outside, vertical rod 2 inboards in the outside completely hang the green close order safety net of 2000 orders.The length of section steel beam 6 determines by designing requirement, outer beam segment length 1400mm, 2000mm of building wherein, and installation length should meet design requirement in the building.
For satisfy the external scaffolding positioning supports on the requirement on the section steel beam 6, the structure of convenience type girder steel 6 at building installing and locating and convenient on section steel beam 6 fixing wire rope 7, section steel beam 6 is provided with spacer bars 8, hanger 9 and baffle plate 10.Baffle plate 10 leans against on the wall face of building, section steel beam 6 is by baffle plate 10 and be embedded in anchor ring 11 stationary positioned on the structure of building, vertical rod 2 covers of external scaffolding are through on the spacer bars 8, one end of wire rope 7 is fixed on the hanger 9, the other end of wire rope 7 is fixed on the ring 12 through walls, and ring 12 through walls is fixed on the structure of building.
Initial when setting up floor concreting, design outside the building around the wall pre-buried anchor ring 11 built-in fittings such as grade, hole to be provided on the structure by the scaffold layout, anchor ring 11 can adopt reinforcement fabrication.The effect of anchor ring 11 is exactly the erection support end of fixed girder steel 6, and after section steel beam 6 passed in the ring of anchor ring 11, hard-wood wedge ecto-entad jam-pack can be used in its gap.During installation, should make the section steel beam outer end than inner (being the erection support end) high certain distance, constantly set up rising at external scaffolding, after load continues to increase, when wire rope 7 is tightened up gradually, can produce a spot of displacement deformation, but the decline displacement that distance balance rope 7 distortion that the outer end is enhanced during so initial mount type girder steel 6 are produced, make section steel beam 6 be adjusted to level, when setting up design height with assurance external scaffolding system, connection system for guide rail can not form the flare phenomenon.
When section steel beam 6 is installed, because upper floor does not also form, the work of the wire rope 7 that tiltedly draws can't be finished, so the outer end of section steel beam 6 can only utilize the external scaffolding of lower floor to set up the interim support fixation of elongated horizon bar, section steel beam 6 strong points should be tried one's best near vertical rod 2 places of lower floor's external scaffolding.The interim support of elongated horizon bar should treat that the wire rope 7 that tiltedly draws installs the back and removes.
When external scaffolding was set up, double that sets up 3 vertical rods 2 earlier formed the parent frame, and this parent frame is set up the bar of sweeping the floor together, two step horizon bars, and the place of keeping at a certain distance away sets up the scissors strut 13 of level to guarantee the stability of parent frame on the end face of section steel beam 6.Extend the whole external scaffolding system that sets up from parent frame two ends to both sides then.These all should set up, repeat no more here in strict accordance with " building operations button steel pipe scaffold technical specification of security " JGJ130.
In order to reach best stressed effect, section steel beam 6 preferably is in the same perpendicular with the axial line of wire rope 7.
In order to alleviate the stressed of cross bar 1 and vertical rod 2, can adopt the mode of drawing unloading on the wire rope 7 that adds, i.e. many wire rope 7 continuous upward drawing on the structure that is fixedly connected on building at stressed weakness in position such as the corner of building, balconies.
Integrally-built stable in order to strengthen, be provided with vertical scissors strut 13 in opening part, two ends and the horizontal linear distance of scaffold less than the 15m place, scissors strut 13 is fixed in the vertical rod 2.Vertical scissors strut 13 cross over 6 vertical rods 2 and with horizontal plane at 45～60 ° of angles set up continuously.
Same reason, integrally-built stable in order to strengthen, the end face of section steel beam 6 is provided with the scissors strut 13 and the sealing underframe 14 of level, also sets up continuously in the vertical rod 2 of both sides inside and outside the two ends of the scissors strut 13 of level are connected to.Scissors strut 13 is fixed on the short cross bar 1, with the monolithic stability of reinforcement support body and the job safety of operation layer, prevents that work layer from having people or thing to fall.In section steel beam 6 superolateral vertical rods 2 and sweep the floor and between bar and first long cross bar 1 vertical scissors strut 13 can be set also.
In order to strengthen overall construction intensity, wall-connecting piece 3 can be striden setting by two steps three, and the cross bar 1 in promptly every interval, three vertical rods 2 in interval are provided with a wall-connecting piece 3.
Scaffold floor 4 can all be provided with in per step, but for economical with materials, at operation layer scaffold floor 4 is set usually.
Whole external scaffolding system (JGJ130-2001) requires to set up in strict accordance with " building operations fastener type steel pipe scaffold technical specification of security ", and close order safety net, safe plain net, lightning protection etc. are set.Shelf is set up and is finished, and carries out closure construction with qualified close order safety net, and satisfactory blanket net is set, and work layer is divided into layer net.
Claims (2)
1. tools type section steel fastener steel tube outer scaffold, comprise the external scaffolding that cross bar (1), vertical rod (2), fastener, wall-connecting piece (3) and scaffold floor (4) combination are set up, external scaffolding is connected it by wall-connecting piece (3) with the agent structure of building, it is characterized in that: the external scaffolding positioning supports is on section steel beam (6), one end of section steel beam (6) is fixed on the structure of building, and the other end of section steel beam (6) draws on the structure that is fixedly connected on building by wire rope (7) is upward; Section steel beam (6) is provided with spacer bars (8), hanger (9) and baffle plate (10), section steel beam (6) is fixing by baffle plate (10) and the anchor ring (11) that is embedded on the structure of building, the vertical rod of external scaffolding (2) cover is through on the spacer bars (8), one end of wire rope (7) is fixed on the hanger (9), the other end of wire rope (7) is fixed on the ring through walls (12), ring through walls (12) is fixed on the structure of building, and section steel beam (6) is in the same perpendicular with the axial line of wire rope (7); Opening part, two ends and horizontal linear distance at scaffold are provided with vertical scissors strut (13) less than the 15m place, vertical scissors strut (13) is fixed in the vertical rod (2), vertical scissors strut (13) cross over 6 vertical rods (2) and with horizontal plane at 45～60 ° of angles set up continuously; The scissors strut (13) of the level that is provided with that on the end face of section steel beam (6), keeps at a certain distance away and sealing underframe (14), the scissors strut (13) of level is fixed on the short cross bar (1), and the two ends of the scissors strut (13) of level are connected to the vertical rod (2) of inside and outside both sides and go up and set up continuously; Wall-connecting piece (3) is striden setting by two steps three.
2. tools type section steel fastener steel tube outer scaffold as claimed in claim 1 is characterized in that: scaffold floor (4) is arranged on operation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103014547A CN101265748B (en) | 2008-05-07 | 2008-05-07 | Tools type section steel fastener steel tube outer scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103014547A CN101265748B (en) | 2008-05-07 | 2008-05-07 | Tools type section steel fastener steel tube outer scaffold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101265748A CN101265748A (en) | 2008-09-17 |
| CN101265748B true CN101265748B (en) | 2011-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008103014547A Expired - Fee Related CN101265748B (en) | 2008-05-07 | 2008-05-07 | Tools type section steel fastener steel tube outer scaffold |
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| Country | Link |
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| CN (1) | CN101265748B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102296798A (en) * | 2011-06-14 | 2011-12-28 | 中国建筑第五工程局有限公司 | Bracket bearing structure at external corner part of segmented erection type scaffold |
| CN102312563A (en) * | 2011-06-16 | 2012-01-11 | 永升建设集团有限公司 | Method for connecting external scaffold with wall for large-span and ultra-story-height structures |
| CN102400547B (en) * | 2011-11-04 | 2014-02-12 | 常州市天任科技有限公司 | Scaffold connecting structure |
| CN105102183B (en) * | 2013-01-24 | 2018-04-20 | 康克斯科技公司 | The multi-layer piping support frame system of lateral worker's support scaffolding with the removable attachment of modularization |
| CN105350760B (en) * | 2015-07-16 | 2017-08-25 | 黄明 | A kind of construction method of suspending scaffold |
| CN105350761A (en) * | 2015-11-06 | 2016-02-24 | 广西华业建筑工程有限公司 | Installation method of I-steel cantilevered external scaffolding |
| CN107227814B (en) * | 2017-06-19 | 2019-05-03 | 中国建筑第二工程局有限公司 | A kind of large cantilever concrete structure section construction method |
| CN112234536B (en) * | 2019-07-15 | 2021-11-02 | 青岛平建建筑安装股份有限公司 | Pipeline fixed connection fastener on construction scaffold |
-
2008
- 2008-05-07 CN CN2008103014547A patent/CN101265748B/en not_active Expired - Fee Related
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| CN101265748A (en) | 2008-09-17 |
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