CN206722377U - A kind of external scaffolding drawknot node structure - Google Patents
A kind of external scaffolding drawknot node structure Download PDFInfo
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- CN206722377U CN206722377U CN201720476325.6U CN201720476325U CN206722377U CN 206722377 U CN206722377 U CN 206722377U CN 201720476325 U CN201720476325 U CN 201720476325U CN 206722377 U CN206722377 U CN 206722377U
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- external scaffolding
- leg
- connecting rod
- drawknot node
- metope
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Abstract
The utility model proposes a kind of external scaffolding drawknot node structure, comprising constructure body structure and external scaffolding, also it is embedded in comprising zinc-coated flat steel sheet, zinc-coated flat steel sheet in constructure body structure, external scaffolding includes wall connecting rod, and zinc-coated flat steel sheet is connected with wall connecting rod by diesis fastener.The external scaffolding drawknot node structure make it that external scaffolding is more firm, simple in construction, construction is simple, and does not influence secondary structure construction, and avoids the hidden danger of follow-up patch work and seepage.
Description
Technical field
It the utility model is related to building construction technology neighborhood, more particularly to a kind of external scaffolding drawknot node structure.
Background technology
In architectural engineering neighborhood, for convenience of operation and solve the problems, such as vertically and horizontally to transport, it will usually building
Beyond the region of objective existence, which encloses, sets up external scaffolding.At present, external scaffolding has been used widely.In order that external scaffolding consolidates, external scaffolding quilt
It is connected to wall.For connected mode, the way of prior art is the pre-buried steel member in wall casting concrete, such as steel bushing
Pipe or claw type steel member, using the drawknot node as external scaffolding.If using steel sleeve, steel sleeve will be perpendicular to metope and distance
Wall top portion certain distance, when building scaffold, wall connecting rod uses fixed mount by wall connecting rod respectively through steel sleeve and in wall both sides
Vertically fixed relative to metope.If it is desired that with claw type steel member, the claw-shaped sections of claw type steel member are embedded in wall and apart from wall
Top certain distance, one piece of surface of steel plate being only connected with claw-shaped sections end is exposed to metope, when building scaffold, wall connecting rod
End be welded and fixed therewith.To be easy for construction, pre-buried steel sleeve or claw type steel member can not protrude from metope, at most and wall
Face is concordant.
But there are some drawbacks in above-mentioned existing connected mode.Fixed mount is coordinated to fix wall connecting rod with pre-buried steel sleeve
When, on the one hand to be used component more, cost is high；On the other hand, the more difficult control of the depth of parallelism of the multiple pre-buried steel sleeves of a row,
The wall connecting rod depth of parallelism is caused to be frequently necessary to correction to meet that scaffold builds requirement；Furthermore, it is necessary to fill steel after dismounting scaffold
Inside pipe casing makes it complete to repair metope, but workload is big after this repairing and is easy to seep water after repairing, and influences wall construction
Water resistance.During with claw type steel member by being welded to connect fixed wall connecting rod, on the one hand, need professional welder to carry out welding behaviour
Make, and need support staff to assist welder to hold up wall connecting rod in welding process, waste time and energy and take a lot of work, butt welding is wanted when removing scaffold
The place of connecing is cut, and cutting quantity is big；On the other hand, after scaffold is removed, claw type steel member is exposed at surface of steel plate at metope also
Can influence the follow-up plastering construction of metope, the later stage at this metope coating material it is easy to fall off, be unfavorable for keeping the outward appearance of metope finished product.
The content of the invention
To solve the problems, such as that prior art is present, the utility model proposes a kind of improved external scaffolding drawknot node structure,
The external scaffolding drawknot node structure causes external scaffolding to have preferable stability, simple in construction, construction is simple, and does not influence
Secondary structure is constructed, and avoids the hidden danger of follow-up patch work and seepage.
To achieve the above object, external scaffolding drawknot node structure of the present utility model includes constructure body structure and outer pin
Hand cradle, also it is embedded in comprising antirust band steel, antirust band steel in constructure body structure, external scaffolding includes wall connecting rod, and antirust is flat
Steel is connected with wall connecting rod by diesis fastener.
Further, antirust band steel is L-type, and comprising the first leg and the second leg, the first leg is perpendicular to the second leg.
Further, the first leg is embedded in constructure body structure, and parallel to the metope of constructure body structure,
Two legs are located on the upper surface of constructure body structure, perpendicular to the metope of constructure body structure, and partially extend through and build
Build the metope of thing agent structure.
Further, the second leg is provided with 2 bolts hole, and the bolt of diesis fastener is extended there through and fixed, so as to
Second leg is fixedly connected with diesis fastener.
Further, the wall connecting rod of external scaffolding is withstood on the metope of constructure body structure by wall end.
Above-mentioned external scaffolding drawknot structure ensure that stability and the construction of external scaffolding by the way of soft drawn is resisted stubbornly
Security.In addition, as drawknot node antirust band steel without remove, therefore do not influence secondary structure construction, and avoid because
Hidden leakage defect caused by box out.
Brief description of the drawings
The utility model is made below in conjunction with the accompanying drawings further to describe and illustrate.
Fig. 1 is the schematic diagram of the external scaffolding drawknot node structure of preferred embodiment of the present utility model.
Fig. 2 is the schematic diagram of the zinc-coated flat steel sheet of external scaffolding drawknot node structure.
Fig. 3 is the schematic diagram of the second leg of zinc-coated flat steel sheet.
Embodiment
As shown in figure 1, the external scaffolding drawknot node structure 10 of preferred embodiment of the present utility model includes building owner
Body structure 1, external scaffolding 2, zinc-coated flat steel sheet 3.Wherein, zinc-coated flat steel sheet 3 is pre-buried in 1 casting concrete of constructure body structure
Wherein.
As shown in Figure 2,3, drawknot node of the zinc-coated flat steel sheet 3 as external scaffolding, made using L50*5 zinc-coated flat steel sheets, it is L
Type structure, comprising the first leg 31 and the second leg 32, the first leg 31 is embedded in building main body perpendicular to the second leg 32, the first leg 31
In the concrete of structure 1, and it is located at constructure body structure 1 parallel to the metope of constructure body structure 1, the second leg 32
On upper surface, perpendicular to the metope of constructure body structure 1, and the metope of constructure body structure 1 is partially extended through.It is preferred that
Ground, the length of every leg is 350mm.2 bolt hole 32a, holes center spacing 110mm, control errors are provided with second leg 32
Within 2mm.
As shown in figure 1, external scaffolding 2 includes wall connecting rod 20, one end of wall connecting rod 20 extends to the metope of agent structure 1,
And it is against on the metope, meanwhile, the elongated end of wall connecting rod 20 is located at the lower section of the second leg 32 of zinc-coated flat steel sheet 3.In wall connecting rod 20
Bearing of trend on, wall connecting rod 20 partially overlaps with the second leg 32.Wall connecting rod 20 is connected to zinc-coated flat steel sheet by two cruciform fastening for falsework 4
On 3 the second leg 32.The bolt of 2 cruciform fastening for falsework 4 is each passed through the bolt hole 32a on zinc-coated flat steel sheet 3, then is tightened with nut,
So as to which the second leg 32 be fixedly connected with diesis fastener 4.Preferably, the screw-down torque of nut is 40-65Nm, and bolt exposes
Length is no less than 10mm.
The wall connecting rod 20 of above-mentioned external scaffolding drawknot node structure 10 is resisted stubbornly on the metope of agent structure 1 by wall end, plating
Zinc band steel 3 holds wall connecting rod 20 in the presence of diesis fastener 4, by way of this soft drawn is resisted stubbornly, ensure that out-mould scaffold
The stability of frame, avoids potential safety hazard.
The construction technology process of the external scaffolding drawknot node structure 10 is：Pre-buried zinc-coated flat steel sheet → wall connecting rod construction → support body
Set up → hang up safety net → laying reinforced mesh → inspect for acceptance → use during detect maintenance → outrigger remove, excision plating
Zinc band steel.
It is zinc-plated on band steel primarily to antirust, in other embodiments, can also be adopted in this preferred embodiment
With the antirust band steel of other materials.An extra benefit is also brought using band steel, after scaffold is removed, as long as wall will be exposed
The band steel part in face is cut away with cutting machine, and other parts stayed on wall construction are because of band steel thickness very little, the steel being exposed on metope
Surface area is very small, has no effect on the secondary construction of wall construction, for example, wall of laying bricks on the wall on surface, carry out on metope it is outer
Layer material coating etc..
The step of construction technology process in the utility model first choice embodiment is described below in detail：
Pre-buried zinc-coated flat steel sheet：
First, zinc-coated flat steel sheet drawknot node is made, drawknot node is outer using zinc-coated flat steel sheet L50*5 making, length 350mm
Two bolts hole are opened in frame (i.e. external scaffolding) side, and bolt hole is identical with cruciform fastening for falsework screw diameter, hole center spacing 110mm,
Within 2mm, perforate should ensure that mellow and full, smooth control errors.
The pre-buried zinc-coated flat steel sheet in constructure body structure.Every layer of setting band steel formula drawknot node of external scaffolding, it is therefore an objective to be
With cruciform fastening for falsework wall connecting rod is set to be reliably connected with zinc-coated flat steel sheet drawknot node.Force Calculation and analysis are first carried out before construction, by counting
Calculate result and determine whether drawknot node meets construction parameter.Before agent structure concreting, it is strict audit architectural working drawing and
Structural working drawing, pre-buried point position is subjected to electronic composition arrangement, and reasonably optimizing.After determining the pre-buried position of drawknot node, in master
Body structure reinforcing bars side bundle finishes, after the completion of model sheetinstallat, and snap the line positions in template, and zinc-coated flat steel sheet need to be embedded on beam, expose
Concrete surface cannot be greater than 20mm.Protection is should be noted that during form removal, with anti-tamper.
Wall connecting rod is constructed：
After the completion of zinc-coated flat steel sheet drawknot node is pre-buried, it is connected using diesis fastener with wall connecting rod, wall connecting rod pushes up by wall end
On the metope of constructure body structure, drawknot node soft drawn is resisted stubbornly, and cruciform fastening for falsework bolt passes through band steel drawknot node preformed hole (i.e. spiral shell
Keyhole), the screw-down torque of nut is 40-65Nm, and after nut is tightened, bolt exposed length is no less than 10mm.
Set up external scaffolding support body and hang up safety net：
Scaffold building step pitch 1.8m, vertical rod advance are not more than 1.5m, transfer 0.8m.Consider frame body safe and after
Continuous moulding property easy for construction, to determine that vertical rod is not away from main wall spacing (being preferably greater than 300mm) in scaffold.Railing and foot guard plate
The inner side of outer vertical rod all should be ridden upon.Every section of builder's jack every layer of shield of all setting up defences, protection between vertical rod and main body in outrigger by floor
It is isolated into：Horizontal cross bar Inner chooses plus the soft isolation (being located between interior vertical rod and wall) of one layer of horizontal safety net.Scaffold every three
The thick red template of layer completely paving 12 does hard isolation closing, and remaining often walks laying steel basketry piece.Scaffold board forbids plate of popping one's head in, fixation.
Builder's jack outside safety net is totally-enclosed, chooses string bag bottom with white, material selection green is dust-proof, noise isolating fire retardant safety net.Using steel
During basketry scaffold board, vertical equity bar is fixed on transverse horizontal bar using right-angle coupler.When vertical rod transfer is less than or equal to 800mm
When, should not be less than by often walking the vertical equity steel pipe of snapping on transverse horizontal bar by 3；When vertical rod transfer is more than 800mm, often step is horizontal
The vertical equity steel pipe of snapping is no less than 4 on to horizon bar.The alien invasion bridging of suspension scaffold should continuously be set from bottom to top
Put, per pass bridging width is no less than 4 across and no more than 7 across, and no less than 6m, and the inclination angle on brace and ground should be at 45 °
Between~60 °.Wall-connecting piece uses two steps three across setting, using form of the embedded steel tube on beam.Steel pipe specifications and models should meet
Calculating and code requirement.
Inspection and maintenance during use：
After support body is set up, organize management and Party A's acceptance(check) to come into operation by project management department, using process
In should often to support body carry out Inspection and maintenance.Check points for attention：Under general state, it is allowed to have two operation layers while apply
Work, every layer of maximum construction loads are 3.0KN/m2.Support body must not overload use, must not use load.Support body can only conduct
Crosshead, formwork-support must not be used as.Emphasis is answered to check whether junction bolt loosens, whether nut lacks.Inspection and maintenance
Formulate special messenger to be responsible for, at least check once weekly, form written process inspection record, timely maintenance of pinpointing the problems, rectification.
Outrigger is removed, excision zinc-coated flat steel sheet：
It is zinc-plated flat along the metope excision of constructure body structure using oxygen-acetylene after wall connecting rod of dismantling when outrigger is removed
The part of the stretching agent structure of steel, using cement mortar repairing preventing and treating corrosion after the completion of cutting.Outrigger is forbidden to remove when removing
Two step above wall connecting rods.
Compared with traditional construction technology, the construction method of above-mentioned zinc-coated flat steel sheet drawknot node, using zinc-coated flat steel sheet as outer pin
The drawknot node of hand cradle, zinc-coated flat steel sheet is on building construction without influence, and hidden leakage defect caused by box out and worker construct when reduction is built by laying bricks or stones
When remove the potential safety hazard of wall connecting rod, building structure is destroyed light, is easy to construct, it is few that the structure later stage blocks up hole amount, saves material, section
The about duration, save cost.
Only preferred embodiment of the present utility model is described for above-mentioned embodiment, and not to this practicality
New protection domain is defined.On the premise of the utility model design conception and scope is not departed from, this area
Those of ordinary skill is according to word description provided by the utility model, accompanying drawing to made by the technical solution of the utility model
Various modifications, replacement and improvement, protection category of the present utility model all should be belonged to.The scope of protection of the utility model will by right
Ask determination.
Claims (5)
1. a kind of external scaffolding drawknot node structure, includes constructure body structure and external scaffolding, it is characterised in that also comprising anti-
Become rusty band steel, and the antirust band steel is embedded in constructure body structure, and the external scaffolding includes wall connecting rod, the antirust band steel
It is connected with wall connecting rod by diesis fastener.
2. external scaffolding drawknot node structure as claimed in claim 1, it is characterised in that the antirust band steel is L-type, includes
One leg and the second leg, the first leg is perpendicular to the second leg.
3. external scaffolding drawknot node structure as claimed in claim 2, it is characterised in that first leg is embedded in the building
In agent structure, and it is located at the building body junction parallel to the metope of the constructure body structure, second leg
On the upper surface of structure, perpendicular to the metope of the constructure body structure, and the constructure body structure is partially extended through
Metope.
4. external scaffolding drawknot node structure as claimed in claim 3, it is characterised in that second leg is provided with 2 bolts
Hole, the bolt of the diesis fastener are extended there through and fixed, so as to which second leg be fixedly connected with diesis fastener.
5. the external scaffolding drawknot node structure as any one of claim 1-4, it is characterised in that the external scaffolding
Wall connecting rod is withstood on the metope of constructure body structure by wall end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720476325.6U CN206722377U (en) | 2017-05-02 | 2017-05-02 | A kind of external scaffolding drawknot node structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720476325.6U CN206722377U (en) | 2017-05-02 | 2017-05-02 | A kind of external scaffolding drawknot node structure |
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| Publication Number | Publication Date |
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| CN206722377U true CN206722377U (en) | 2017-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720476325.6U Active CN206722377U (en) | 2017-05-02 | 2017-05-02 | A kind of external scaffolding drawknot node structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930522A (en) * | 2017-05-02 | 2017-07-07 | 中建二局第二建筑工程有限公司华东分公司 | A kind of external scaffolding drawknot node structure and its construction method |
| CN113957990A (en) * | 2021-11-05 | 2022-01-21 | 中建一局集团建设发展有限公司 | Open field ultrahigh structure lightning protection system and node device |
-
2017
- 2017-05-02 CN CN201720476325.6U patent/CN206722377U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930522A (en) * | 2017-05-02 | 2017-07-07 | 中建二局第二建筑工程有限公司华东分公司 | A kind of external scaffolding drawknot node structure and its construction method |
| CN113957990A (en) * | 2021-11-05 | 2022-01-21 | 中建一局集团建设发展有限公司 | Open field ultrahigh structure lightning protection system and node device |
| CN113957990B (en) * | 2021-11-05 | 2023-03-14 | 中建一局集团建设发展有限公司 | Open field ultrahigh structure lightning protection system and node device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Sui Haitao Inventor after: Jin Xiaochen Inventor after: Liang Rongfeng Inventor after: Zhang Bochuan Inventor after: Wang Ningning Inventor after: Zhu Xiaoli Inventor after: Wang Jinping Inventor after: Zhang Shujun Inventor before: Sui Haitao Inventor before: Jin Xiaochen Inventor before: Liang Rongfeng Inventor before: Zhang Bochuan Inventor before: Wang Ningning Inventor before: Wang Jinping Inventor before: Zhu Xiaoli |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180104 Address after: 450003, Henan, Zhengzhou Jinshui District Garden Road West, agricultural road south 6, 1 units, 22, 2207 Patentee after: The Second Construction Company Of China Construction Second Engineering Bureau Address before: 210000 Jiangsu city of Nanjing Province along the Yangtze River Industrial Development Zone geguan Road No. 815 Patentee before: China Construction two Bureau Second Construction Engineering Co., Ltd. Huadong branch |