CN204001665U - A kind of scaffold assembling wall-connecting piece - Google Patents
A kind of scaffold assembling wall-connecting piece Download PDFInfo
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- CN204001665U CN204001665U CN201420384174.8U CN201420384174U CN204001665U CN 204001665 U CN204001665 U CN 204001665U CN 201420384174 U CN201420384174 U CN 201420384174U CN 204001665 U CN204001665 U CN 204001665U
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Abstract
The utility model discloses a kind of scaffold assembling wall-connecting piece, comprise a plurality of expansion bolts that are embedded in concrete main body structure, on each expansion bolt, be fixed with respectively a tool-type wall connecting rod, described tool-type wall connecting rod comprises end socket steel plate, described end socket steel plate is provided with bolt through-hole, on the same side of described end socket steel plate, be welded with nut and steel pipe, described nut and steel pipe and bolt through-hole are coaxially arranged; The caliber of described steel pipe is greater than the external diameter of nut.The double vertical pole ' s span of length=scaffold of described steel pipe+interior row's vertical rod is to building distance+150mm.Described nut consists of double nut stitch welding.The utility model scaffold assembling wall-connecting piece adopts the structure that is rigidly connected, there is scientific structure, simple structure, firm stable, arrange rationally, install and remove conveniently, can have enough to meet the need the features such as use, rigidity and the stability of exterior wall scaffold have been strengthened, can't affect masonry, decoration construction and external wall waterproof function, guarantee that scaffold is used safety and workmanship.
Description
Technical field
The invention relates to a kind of scaffold and the building link technique adopting in building engineering construction.
Background technology
Scaffold wall connecting piece is the member that connects scaffold and building.At present, fastener type steel pipe scaffold wall-connecting piece mainly adopts following two kinds of structural forms: (1) stay bolt convolution, it is embedded bar and scaffold drawknot in structural concrete, add again horizontal steel tube and prop up agent structure, or adopt after embedded bar and short steel pipes welding, then be connected with scaffold with fastener connection horizontal steel tube.This kind of wall-connecting piece is not rigidly connected, but flexibly connect, its steel pipe that works the effect of shoring cannot closely connect scaffold and agent structure, causing scaffold to produce rocks, poor stability, and because steel tie exposes beam slab top of concrete, affect outer-wall building and decoration construction, in work progress, wall-connecting piece is often removed and cannot remedies, thereby forms potential safety hazard.(2) embedded steel tube interconnection system, that is, pre-buried vertical short steel pipes in the beam slab concrete of relevant position, agent structure edge, is connected respectively embedded steel tube and scaffold upright rod with horizontal steel tube with fastener while setting up scaffold.Though which adopts and is rigidly connected, can meet scaffold rigidity and stability requirement, but must be at Liu She hole, vertical short steel pipes position when masonry construction, later stage patch work amount is larger, also can leave hidden danger to external wall waterproof, and building by laying bricks or stones, decoration stage wall-connecting piece is equally easily removed and cannot remedies, affect the stable of scaffold and use safety.Making a general survey of Scaffold Collapse Accident case, is to be nearly all removed and not remedy and cause in time because wall-connecting piece arranges improper or wall-connecting piece.
Summary of the invention
The effect of scaffold wall connecting piece is that scaffold and building are connected as a single entity, and strengthens the lateral stiffness of scaffold, reduces vertical rod calculated length, improves resistance to capsizing and the bearing stability of scaffold.Along with China's construction business development, highrise building is more and more, requirement to scaffold is also more and more stricter, wherein to wall-connecting piece, in < < building operations fastener type steel pipe scaffold technical specification of security > >, clearly stipulate: " to double-pole scaffold more than height 24m, must adopt rigid connecting tube to be reliably connected with building ".In view of the scaffold wall connecting piece of current use exist connect insecure, hinder construction, the defect such as be easily removed, cause scaffold poor stability, there is the significant deficiency such as potential safety hazard, that the wall-connecting piece that requires to adopt is connected firmly is stable, arrange rationally, does not clash with follow-up construction, installs and removes conveniently.The invention provides a kind of scaffold assembling wall-connecting piece, it adopts the structure that is rigidly connected, there is scientific structure, simple structure, firm stable, arrange rationally, install and remove conveniently, can have enough to meet the need the features such as use, rigidity and the stability of exterior wall scaffold have been strengthened, can't affect masonry, decoration construction and external wall waterproof function, guarantee that scaffold is used safety and workmanship.
A kind of scaffold assembling of the present invention wall-connecting piece, comprise a plurality of expansion bolts that are embedded in concrete main body structure, on each expansion bolt, be fixed with respectively a tool-type wall connecting rod, described tool-type wall connecting rod comprises end socket steel plate, described end socket steel plate is provided with bolt through-hole, on the same side of described end socket steel plate, be welded with nut and steel pipe, described nut and steel pipe and bolt through-hole are coaxially arranged; The caliber of described steel pipe is greater than the external diameter of nut.
The double vertical pole ' s span of length=scaffold of described steel pipe+interior row's vertical rod is to building distance+150mm.Described nut consists of double nut stitch welding.
Scaffold assembling wall-connecting piece of the present invention is installed, first, at concrete main body structure lateral surface, bury expansion bolt underground, then, one end by tool-type wall connecting rod with end socket steel plate and nut is connected with expansion bolt, by fastener, be connected with scaffold upright rod, thereby scaffold is connected with building.
Compared with prior art, the invention has the beneficial effects as follows: adopt the structure that is rigidly connected, with building and scaffold firm and reliable connection; It is arranged on structural expansion bolt (anchor point) need not be pre-buried in advance, takes the later stage to implant, and guarantees that position accurately, firmly; Do not affect masonry, decoration construction and external wall water-proof function; Overcome connection that the wall-connecting piece of current use exists built on the sand, impact construction, is easily removed and cannot recovers, and causes scaffold unstable, has the significant deficiency such as potential safety hazard, has guaranteed the stable of exterior wall scaffold and has used safety.In addition, this wall-connecting piece is simple in structure, make handling ease, mounting or dismounting easily and fast, can have enough to meet the need use, and avoid masonry box out repairing treatment and hidden leakage defect, thereby greatly improve work efficiency, accelerating construction progress, saves artificial, material, and guarantees workmanship.
Accompanying drawing explanation
Fig. 1 is scaffold assembling wall-connecting piece of the present invention installation site floor map;
Fig. 2 is the assembling wall-connecting piece of scaffold shown in Fig. 1 installation site side elevation schematic diagram;
Fig. 3 is A place partial structurtes enlarged drawing in Fig. 2;
Fig. 4 is the wall connecting rod of tool-type shown in Fig. 3 partial sectional view;
Fig. 5 is that the end of the wall connecting rod of tool-type shown in Fig. 4 is to view;
Fig. 6 is the sectional drawing of 1-1 slice location in Fig. 4.
In figure:
1-concrete main body structure, 2-expansion bolt, 3-tool-type wall connecting rod, 31-end socket steel plate, 32-bolt through-hole, 33-nut, 34-steel pipe, 4-scaffold upright rod, 5-fastener, 6-exterior wall scaffold.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, technical solution of the present invention is described in further detail.
As shown in Figure 1, a kind of scaffold assembling of the present invention wall-connecting piece, comprise a plurality of expansion bolts 2 that are embedded in concrete main body structure 1, on each expansion bolt 2, be fixed with respectively a tool-type wall connecting rod 3, described tool-type wall connecting rod 3 comprises end socket steel plate 31, described end socket steel plate 31 is provided with bolt through-hole 32, is welded with nut 33 and steel pipe 34 on the same side of described end socket steel plate 31, and described nut 33 consists of double nut stitch welding; Described nut 33 and steel pipe 34 are coaxially arranged with bolt through-hole 32; The caliber of described steel pipe 34 is greater than the external diameter of nut 33, and the double vertical pole ' s span of length=scaffold of described steel pipe 34+interior row's vertical rod is to building distance+150mm.
Embodiment: a kind of scaffold assembling wall-connecting piece, is comprised of the expansion bolt 2 and the tool-type wall connecting rod 3 that are embedded in concrete main body structure 1.At the lateral surface of concrete main body structure 1, bury expansion bolt 2 underground, one end of tool-type wall connecting rod 3 is connected with expansion bolt 2, the other end of tool-type wall connecting rod 3 is connected with scaffold, thereby scaffold is connected with building.
Expansion bolt 2 is the connection fixture between tool-type wall connecting rod 3 and concrete main body structure 1, mainly bear the axial tension being transmitted by tool-type wall connecting rod 3, according to the axial force of tool-type wall connecting rod 3 and expansion bolt 2 stress performances, answer >=M16 of the specification of this expansion bolt.
Tool-type wall connecting rod 3, for connecting the contact rod member of scaffold and building (anchored end), is comprised of steel pipe 34, end socket steel plate 31 and nut 33.Wherein: the external diameter of steel pipe is Ф 48, the double vertical pole ' s span of length=scaffold+interior row's vertical rod is to building distance+150mm; Thickness >=the 5mm of end socket steel plate 31, is of a size of 60mm * 60mm, and in the boring of the center of end socket steel plate 31, as bolt through-hole, its aperture is compared with the large 2mm of the diameter of the screw portion of expansion bolt 2; The specification of nut 33 is mated with expansion bolt 2, and quantity is 2, be about to 2 nut stitch welding and form double nut together, then by nut 33 and 31 welding of end socket steel plate, the bolt through-hole of end socket steel plate 31 must align with the hole of nut 33.Nut on end socket steel plate 31 33 is packed in steel pipe 34, then by end socket steel plate 31 and steel pipe 34 welding.Wherein, it is straight that steel pipe requires, must not flexural deformation, and size scale is as requested accurate, adopts toothless saw cutting stock, and cutting end face must be vertical with steel pipe axis also smooth.End socket steel plate 31 requires blank size accurate, and plate face is smooth, at steel lining out (comprising drill center cross hairs and circle of steel tube contour or point), adopts bench drill boring, requires position, hole, aperture accurate, and hole wall is vertical with steel plate surface.Nut 33 and 31 welding of end socket steel plate: with one, double nut and end socket steel plate 31 series windings are located through the bolt through-hole on end socket steel plate 31 with the screw rod of expansion bolt 2 same specifications, then will between double nut and double nut and end socket steel plate 31, be welded and fixed.End socket steel plate 31 and steel pipe 34 welding: by end socket steel plate 31 horizontal, nut 33 ends upwards, are inserted in nut 33 by steel pipe 34 and aim at circle of steel tube contour or the point of mark on steel plate, look for after vertical and welding with end socket steel plate 31.
The installation process of scaffold assembling wall-connecting piece of the present invention is that exterior wall, post, the beam sides predeterminated position in concrete main body structure 1 squeezed into expansion bolt 2, the screw rod of the bolt through-hole on wall connecting rod end cap steel plate 31 and nut aligning expansion bolt 2 is penetrated and tightened, then tool-type wall connecting rod 3 is connected with scaffold upright rod 4 use fasteners 5.Wherein mainly comprise the installation of expansion bolt and the installation of wall-connecting piece.
The installation of expansion bolt, according to the installation site of wall connecting rod, the end socket steel plate 31 of wall connecting rod end is leaned to the side in concrete main body structure 1, along the edge of end socket steel plate 31, in 1, concrete main body structure, draw the frame line of end socket steel plate 31, adopt diagonal to cross to get middle method and determine bolt point; Adopt electric drill to hole in concrete main body structure 1, hole depth is with the length of expansion bolt 2, and duct must be perpendicular to structural plane; In expansion bolt external member (band nut) load hole, fastening nut to feel expansion bolt 2 fastening loosening till.
Wall-connecting piece is installed: the screw rod of the bolt through-hole on the end socket steel plate 31 of tool-type wall connecting rod 3 ends being aimed to expansion bolt 2 penetrates, rotate steel pipe 34, now screw rod is to nut 33 precessions on end socket steel plate 31, hold out against 1, concrete main body structure to end socket steel plate 31, until steel pipe 34 turns motionless; Wall connecting rod is connected with scaffold upright rod 4 use fasteners 5, requires wall connecting rod to answer level.
The main feature of scaffold assembling wall-connecting piece of the present invention is as follows:
1) adopt the expansion bolt be embedded in concrete main body structure as the fixture of wall connecting rod, belong to and be rigidly connected, firm and reliable connection, good rigidly, has strengthened rigidity and the stability of exterior wall scaffold.Take rearmounted anchor point way, do not need pre-buriedly in advance, can guarantee anchor point and wall-connecting piece position accurately and installation quality, thus guarantee scaffold set up quality and monolithic stability,
2) anchor point is arranged on to the side of concrete main body structure, do not affect masonry, decoration construction, even if under special circumstances the interim dismounting of indivedual wall connecting rods also can be facilitated in time, recover, thereby, cannot remedy potential safety hazard and the accident being caused after avoiding scaffold wall connecting piece to be removed or remove by large area.
3) this wall-connecting piece scientific structure, make handling ease, mounting or dismounting easily and fast, can have enough to meet the need use, thereby greatly improve efficiency of construction, accelerating construction progress, saves artificial, material,
4) avoid masonry box out, be beneficial to external wall waterproof, guarantee workmanship, and save a large amount of artificial, the material of later stage repairing treatment.
Although invention has been described by reference to the accompanying drawings above; but the present invention is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment is only schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present invention; in the situation that not departing from aim of the present invention, can also make a lot of distortion, within these all belong to protection of the present invention.
Claims (3)
1. a scaffold assembling wall-connecting piece, comprise a plurality of expansion bolts (2) that are embedded in concrete main body structure (1), it is characterized in that, on each expansion bolt (2), be fixed with respectively a tool-type wall connecting rod (3), described tool-type wall connecting rod (3) comprises end socket steel plate (31), described end socket steel plate (31) is provided with bolt through-hole (32), on the same side of described end socket steel plate (31), be welded with nut (33) and steel pipe (34), described nut (33) and steel pipe (34) are coaxially arranged with bolt through-hole (32); The caliber of described steel pipe (34) is greater than the external diameter of nut (33).
2. a kind of scaffold assembling wall-connecting piece according to claim 1, is characterized in that, the double vertical pole ' s span of length=scaffold of described steel pipe (34)+interior row's vertical rod is to building distance+150mm.
3. a kind of scaffold assembling wall-connecting piece according to claim 1, is characterized in that, described nut (33) consists of double nut stitch welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420384174.8U CN204001665U (en) | 2014-07-11 | 2014-07-11 | A kind of scaffold assembling wall-connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420384174.8U CN204001665U (en) | 2014-07-11 | 2014-07-11 | A kind of scaffold assembling wall-connecting piece |
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| Publication Number | Publication Date |
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| CN204001665U true CN204001665U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420384174.8U Expired - Fee Related CN204001665U (en) | 2014-07-11 | 2014-07-11 | A kind of scaffold assembling wall-connecting piece |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104120874A (en) * | 2014-07-11 | 2014-10-29 | 中国建筑第六工程局有限公司 | Assembly type scaffold and wall connecting piece |
| CN110259107A (en) * | 2019-07-23 | 2019-09-20 | 中铁二局第一工程有限公司 | A kind of external scaffolding ring flange wall-connecting piece and its construction method |
| CN112681718A (en) * | 2021-01-12 | 2021-04-20 | 中国建筑第二工程局有限公司 | A novel pre-buried expansion bolts even wall spare for fixing overhanging type scaffold |
-
2014
- 2014-07-11 CN CN201420384174.8U patent/CN204001665U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104120874A (en) * | 2014-07-11 | 2014-10-29 | 中国建筑第六工程局有限公司 | Assembly type scaffold and wall connecting piece |
| CN110259107A (en) * | 2019-07-23 | 2019-09-20 | 中铁二局第一工程有限公司 | A kind of external scaffolding ring flange wall-connecting piece and its construction method |
| CN112681718A (en) * | 2021-01-12 | 2021-04-20 | 中国建筑第二工程局有限公司 | A novel pre-buried expansion bolts even wall spare for fixing overhanging type scaffold |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20190711 |
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| CF01 | Termination of patent right due to non-payment of annual fee |