CN109779225A - A kind of change overhanging type external scaffold and construction method - Google Patents
A kind of change overhanging type external scaffold and construction method Download PDFInfo
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- CN109779225A CN109779225A CN201910189334.0A CN201910189334A CN109779225A CN 109779225 A CN109779225 A CN 109779225A CN 201910189334 A CN201910189334 A CN 201910189334A CN 109779225 A CN109779225 A CN 109779225A
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Abstract
The present invention provides a kind of change overhanging type external scaffold, including external scaffolding frame body, and the external scaffolding frame body is fixed on the outside of external wall by wall-connecting piece, and the wall-connecting piece includes the first wall-connecting piece, the second wall-connecting piece and third wall-connecting piece；The present invention is compared with traditional Construction Technology of Suspension Scaffold, the pre-buried junction steel plate on beam, then the construction method of fixed I-steel, solves the problems, such as that overhanging scaffold is big to I-steel materials demand, pre-buried wall connecting rod is difficult to control the depth of parallelism and construction hole residual；Pre-buried junction steel plate does not influence building construction, and hidden leakage defect caused by box out and worker, which construct, when reducing masonry removes the security risk of wall connecting rod, influences on fabric structure small；No setting is required, and too long I-shaped Steel material is fixed on interior of building, saves material, saves construction cost；The uncontrollable problem of the depth of parallelism of pre-buried wall connecting rod is avoided, construction efficiency is improved, shortens construction period.
Description
Technical field
The present invention relates to technical field of building construction, specially a kind of change overhanging type external scaffold and construction method.
Background technique
In building engineering field, constructs for convenience of worker operation and ensure worker's life safety, it will usually outside building
It encloses and sets up scaffold, change overhanging type external scaffold is set up in skyscraper field.Currently, change overhanging type external scaffold has obtained extensive benefit
With, usually in the pre-buried riveting ring of overhang layer, then I-steel is installed again, I-steel one end is fixed by riveting ring with building, and one
End is stretched out other than building, finally sets up scaffold on overhanging one end I-steel.In order to keep external scaffolding firm, out-mould scaffold
Frame should be reliably connected with main structure.For connection type, existing way is the pre-buried steel in superstructure casting concrete
Tube clamps, usually steel sleeve, steel sleeve will connect wall perpendicular to metope and apart from wall top portion certain distance, when building scaffold
Bar passes through steel sleeve and uses fixed frame vertically to fix wall connecting rod relative to metope respectively in wall two sides.For construction aspect steel bushing
Pipe cannot protrude from metope, concordant with metope at most.
However there are some drawbacks in above-mentioned existing overhanging scaffold and connection type:
Overhanging scaffold requires greatly I-steel material utilization amount, and the I-shaped Steel material for needing total length a greater part of is fixed on
Within building, only length small part I-steel is overhanging for setting up scaffold, at high cost；Pre-buried steel casing is put down
Row degree is difficult to control, causes the wall connecting rod depth of parallelism to be frequently necessary to correction and builds requirement to meet scaffold；Furthermore remove scaffold and
It after I-steel, needs to fill the hole that steel sleeve and I-steel leave on exterior wall to repair metope and keep it complete, but this repairs
It is easy to seep water after heavy workload and repairing after benefit, influences the waterproof performance of structure.
Summary of the invention
It is an object of the invention to solve overhanging scaffold mentioned above in the background art to I-steel materials demand
Greatly, pre-buried wall connecting rod is difficult to control the problem of depth of parallelism and construction hole residual.
To achieve the above object, the present invention provides a kind of change overhanging type external scaffold, including external scaffolding frame body, the outer foot
Hand cradle frame body is fixed on the outside of external wall by wall-connecting piece, the wall-connecting piece include the first wall-connecting piece, the second wall-connecting piece and
Third wall-connecting piece,
The external scaffolding frame body includes more cross bars and Duo Gen upright bar, and the upper end of the cross bar is welded with more railings,
The upper end welded reinforcement mesh sheet of the railing, the side wall and railing of the upright bar are welded, are banded between the railing and upright bar
Safety net, and the outer wall lower part far from the external wall upright bar is also welded with foot guard plate；
First wall-connecting piece includes the first junction steel plate and the first pre-embedded bolt, and first junction steel plate part is pre-buried
It is extended to outside the side wall of external wall in the one side wall of external wall, and first junction steel plate, the first connection steel
The surface of plate is fixedly connected with the first pre-embedded bolt；And the surface of first junction steel plate has also been bolted to connection foot hand
Frame torr bar, the upper end of the scaffold pressure pin and the bottom end of upright bar are welded；
Second wall-connecting piece is located at the top of the first wall-connecting piece, and second wall-connecting piece includes the second junction steel plate, the
Three junction steel plates and the first pre-embedded bolt, second junction steel plate part are embedded in external wall, and the second junction steel plate
One side wall extend to outside the side wall of external wall, the surface of second junction steel plate is fixedly connected with the first pre-embedded bolt；
And the surface of second junction steel plate has also been bolted to connection pull rod, the pull rod far from the second junction steel plate one
Section is hinged on the surface of third junction steel plate by pin, and the third junction steel plate is welded in cross bar, and the third vertically
The sidewall surfaces of junction steel plate are also welded with one end of railing；
The third wall-connecting piece is located at the top of the second wall-connecting piece, and the third wall-connecting piece includes the 4th junction steel plate and the
Two pre-embedded bolts, the 4th junction steel plate part is embedded in external wall, and the 4th junction steel plate one side wall extends to
Outside the side wall of external wall, the surface of the 4th junction steel plate is fixedly connected with the second pre-embedded bolt；The 4th connection steel
The surface of plate is also welded with wall connecting rod, and the wall connecting rod connects external scaffolding frame body by cruciform fastening for falsework.
Preferably, the scaffold pressure pin is made of I-steel, and the wall connecting rod is made of steel pipe, and the railing is reinforcing bar
It is made.
Preferably, first pre-embedded bolt is connected through external wall, every first junction steel plate and second
First pre-embedded bolt quantity of surface of steel plate is 2.
Preferably, the specification of second pre-embedded bolt is less than the first pre-embedded bolt, every the 4th junction steel plate table
The second pre-embedded bolt quantity in face is 4.
Preferably, first wall-connecting piece, the second wall-connecting piece and third wall-connecting piece protrude from the one side wall table of external wall
The distance between face and external wall, which are respectively less than, is equal to 15mm.
The invention also discloses a kind of construction methods of change overhanging type external scaffold, including implementation steps in detail below:
Step 1, pre-buried first wall-connecting piece, the second wall-connecting piece and third wall-connecting piece in external wall；
Step 2 installs scaffold pressure pin, is bonded one end of I-steel and the sidewall surfaces of the first junction steel plate, and lead to
It crosses bolt and fixes the first junction steel plate with I-steel；
Step 3 sets up external scaffolding frame body, hangs up safety net and install foot guard plate；
Step 4 is laid with reinforced mesh on external scaffolding frame body；
Step 5 is installed pull rod, one end of pull rod is fixedly connected with the second junction steel plate with bolt, by the another of pull rod
End is hinged by pin with third junction steel plate；
Step 6 installs wall connecting rod, sets up third wall-connecting piece, wall connecting rod one end and the second wall-connecting piece are fully welded, and will even
The other end of wall bar is connect with external scaffolding frame body by cruciform fastening for falsework；
Step 7 is checked and is checked and accepted；
Step 8 detects maintenance in use process；
Step 9, external scaffolding are removed, cut off pre-embedded steel slab along constructure body structure metope.
Preferably, the I-steel is tightened with double nut, is fixed on the first junction steel plate, screw-down torque be 40~
65N·m；One end of the pull rod is tightened on the second junction steel plate with double nut, and screw-down torque is 40~65Nm,
The other end is connect with third junction steel plate on I-steel by pin；Described wall connecting rod one end withstands on the surface of the 4th junction steel plate
And be fully welded, the other end is connect with external scaffolding frame body by cruciform fastening for falsework, and fastener is tightened with nut, screw-down torque be 40~
65N·m。
Preferably, after the completion of the step 9, the first wall-connecting piece of dismantling, the second wall-connecting piece, third wall-connecting piece, pull rod,
After scaffold pressure pin, the first wall-connecting piece, the second wall-connecting piece and third wall-connecting piece are cut off using acetylene and protrude from building exterior wall surface
Part, after the completion of cutting with waterproof mortar repair prevention and treatment corrosion.
It is compared with prior art, the present invention having the following advantages and benefits:
1) junction steel plate of each wall-connecting piece is embedded in the table of external wall by pre-embedded bolt by the change overhanging type external scaffold
Face, to be connected and fixed external scaffolding frame body, since the part of pre-embedded bolt and scaffold is embedded in wall, there is no need to set
It sets too long I-shaped Steel material and is fixed on interior of building, reduce construction cost；And junction steel plate is embedded in construction wall in advance,
Each connection component is set on junction steel plate again, avoids the uncontrollable problem of the depth of parallelism of pre-buried wall connecting rod；When dismounting foot
After hand cradle and I-steel, the part that need to only will protrude above metope cuts off the effects of can carrying out surface plastering and material coating, no
Construction hole can be generated on exterior wall, does not influence secondary structure construction, avoid hidden leakage defect caused by the residual of construction hole.
2) change overhanging type external scaffold, is arranged the first, second wall-connecting piece, and the first reserved bolt is strengthened across external wall
Scaffold is risen to the first, second junction steel plate fixed function, and by one end that the first junction steel plate connects scaffold pressure pin
To supporting role, and scaffold pressure pin end is additionally provided with and sockets a little, is connected scaffold pressure pin and the second junction steel plate by pull rod
It connects, ensure that the safety and stability of scaffold connection；
3) third wall-connecting piece is arranged in the top of the first, second wall-connecting piece, by connecting the 4th in the change overhanging type external scaffold
It connects steel plate connection wall connecting rod scaffold is fixed, further improves the stability of scaffold connection, and since third connects
Pulling force suffered by wall part is less than the first, second wall-connecting piece, therefore third wall-connecting piece uses lesser second pre-embedded bolt of specification, saves
Construction cost；
The present invention is compared with traditional Construction Technology of Suspension Scaffold, the pre-buried junction steel plate on beam, then fixed I-steel
Construction method, solves that overhanging scaffold is big to I-steel materials demand, pre-buried wall connecting rod is difficult to control the depth of parallelism and construction
The problem of hole remains；Pre-buried junction steel plate does not influence building construction, hidden leakage defect caused by box out and worker when reducing masonry
The security risk of wall connecting rod is removed in construction, is influenced on fabric structure small；No setting is required, and too long I-shaped Steel material is fixed on builds
It builds inside object, saves material, save construction cost；The uncontrollable problem of the depth of parallelism of pre-buried wall connecting rod is avoided, is improved
Construction efficiency, shortens construction period.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the structural schematic diagram of the first wall-connecting piece of the invention；
Fig. 3 is the structural schematic diagram of the second wall-connecting piece of the invention；
Fig. 4 is the structural schematic diagram of third wall-connecting piece of the invention；
In figure: 1 external wall, 2 external scaffolding frame bodies, 3 first wall-connecting pieces, 4 second wall-connecting pieces, 5 third wall-connecting pieces, 6
One junction steel plate, 7 first pre-embedded bolts, 8 scaffold pressure pins, 9 second junction steel plates, 10 third junction steel plates, 11 pull rods, 12
Four junction steel plates, 13 wall connecting rods, 14 second pre-embedded bolts, 15 cross bars, 16 upright bars, 17 railings, 18 reinforced mesh, 19 foot guard plates,
20 safety nets.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
With reference to the accompanying drawing and specific embodiment is further described application principle of the invention.
Embodiment one
A kind of change overhanging type external scaffold and construction method according to shown in Figure of description 1 to 4,
First connection junction steel plate 6 is using 12 thick zinc-coated flat steel sheet production, and reserved two bolts are fixed with No. 16 I-steel,
It is tightened again with double nut, 40~65Nm of screw-down torque.
Second junction steel plate 9 is fixed using 12 thick zinc-coated flat steel sheet production, a reserved bolt with 20 pull rod of Ф, 11 one end, then
With being tightened again with double nut, 40~65Nm of screw-down torque.The third of 20 pull rod of Ф, 11 other end and No. 16 I-steel upper ends connects
It connects steel plate 10 to be fixed with pin, third junction steel plate 10 is also fully welded using 12 thick zinc-coated flat steel sheets and with No. 16 I-steel.
4th junction steel plate 12 uses zinc-coated flat steel sheet, and 13 one end of wall connecting rod is connect by size 200 × 100 × 10 with the 4th
Steel plate 12 is fully welded, and the other end is connect with external scaffolding frame body 2 using cruciform fastening for falsework, 40~65Nm of screw-down torque.
The builder's jack construction technology process are as follows: pre-buried first junction steel plate 6 → pre-buried second junction steel plate 9 → pre-buried
4th 12 → fixation of junction steel plate I-steel → pull rod 11 is fixed with the second junction steel plate 9 and third junction steel plate 10 respectively →
13 constructions of wall connecting rod → frame body is set up → hang up safety net 20 → laying reinforced mesh → installation skirting board → and inspect for acceptance → make
It removed with detection maintenance → outrigger in the process, cut off each junction steel plate.
Each junction steel plate uses antirust band steel, can using zinc-plated come antirust, can also brushing antirust paint, and in dismounting foot
After hand cradle, it is only necessary to which the band steel part for exposing metope is cut away with cutting machine, can carry out surface plastering and material coating etc..
The pre-buried zinc-coated flat steel sheet in constructure body structure first carries out force analysis before construction, determines knot by calculated result
Whether point meets construction parameter；It is stringent to audit architectural working drawing and structural working drawing before main structure concreting, it will be pre-buried
Point carries out electronic edition arrangement, and reasonably optimizing；After determining pre-buried position, finished, after template installation in the binding of main structure reinforcing bar
It completes, snap the line positions in template, and zinc-coated flat steel sheet need to be embedded on beam, exposes concrete surface and is not greater than 15mm.
It sets up external scaffolding frame body 2 and hangs up safety net 20:
In order to save material, 16# I-steel is installed in one layer of overhanging of no more than 20m and no more than 6 layers setting；In work
External scaffolding frame body 2 is set up on word steel, sets up step pitch 1.8m, and 16 advance of upright bar is not more than 1.5m, transfer 0.8m；Railing 17 and gear
Sole 19 should all ride upon the inside of external upright bar 16.The every step of scaffold is laid with reinforced mesh 18, and scaffold board forbids plate of popping one's head in,
Fixation.It is closed on the outside of builder's jack with safety net 20, and chooses string bag bottom, the dust-proof flame-retarding of material selection green with white
Net, steel pipe specifications and models should meet calculating and code requirement.
Inspection and maintenance in use process:
After frame body is set up, it can come into operation after organizing Party A, management acceptance(check) by project management department, in use process
In, examination and maintenance often should be carried out to frame body；Check whether frame body overloads use, if having load situation；And frame body
It can only be used as crosshead, formwork-support must not be used as；Point checks whether junction bolt loosens, and whether nut lacks.
When outrigger is removed, after builder's jack of dismantling, using oxygen-acetylene, along the metope excision of the main structure of building
The part that junction steel plate stretches out main structure is stretched out, is repaired after the completion of cutting using cement mortar.
Compared with traditional Construction Technology of Suspension Scaffold, the pre-buried junction steel plate on beam, then the construction party of fixed I-steel
Method, pre-buried junction steel plate do not influence building construction, and hidden leakage defect caused by box out and worker, which construct, when reducing masonry removes
The security risk of wall connecting rod influences small, saving material, saving duration, saving cost on fabric structure.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including institute
State in the process, method, article or equipment of element that there is also other identical elements.
The above is made skilled artisans appreciate that or realizing this hair in specific embodiment party of the invention
It is bright.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (8)
1. a kind of change overhanging type external scaffold, including external scaffolding frame body (2), the external scaffolding frame body (2) is solid by wall-connecting piece
Due to the outside of external wall (1), which is characterized in that the wall-connecting piece include the first wall-connecting piece (3), the second wall-connecting piece (4) and
Third wall-connecting piece (5),
The external scaffolding frame body (2) includes more cross bar (15) He Duogen upright bars (16), the upper end welding of the cross bar (15)
There are more railings (17), the upper end welded reinforcement mesh sheet (18) of the railing (17), the side wall and railing of the upright bar (16)
(17) it welds, is banded with safety net (20) between the railing (17) and upright bar (16), and far from the external wall (1) upright bar
(16) outer wall lower part is also welded with foot guard plate (19)；
First wall-connecting piece (3) includes the first junction steel plate (6) and the first pre-embedded bolt (7), first junction steel plate (6)
Part is embedded in external wall (1), and the one side wall of first junction steel plate (6) extends to outside the side wall of external wall (1)
The surface in portion, first junction steel plate (6) is fixedly connected with the first pre-embedded bolt (7)；And the table of first junction steel plate (6)
Face has also been bolted to connection scaffold pressure pin (8), and the upper end of the scaffold pressure pin (8) and the bottom end of upright bar (16) are welded
It connects；
Second wall-connecting piece (4) is located at the top of the first wall-connecting piece (3), and second wall-connecting piece (4) includes the second connection steel
Plate (9), third junction steel plate (10) and the first pre-embedded bolt (7), second junction steel plate (9) are partially embedded in external wall
(1), and the one side wall of the second junction steel plate (9) extend to outside the side wall of external wall (1), second junction steel plate
(9) surface is fixedly connected with the first pre-embedded bolt (7)；And the surface also company of being bolted of second junction steel plate (9)
It is connected to pull rod (11), one section of the pull rod (11) separate second junction steel plate (9) is hinged on third junction steel plate by pin
(10) surface, the third junction steel plate (10) is welded in cross bar (15) vertically, and the side of the third junction steel plate (10)
Wall surface is also welded with one end of railing (17)；
The third wall-connecting piece (5) is located at the top of the second wall-connecting piece (4), and the third wall-connecting piece (5) includes the 4th connection steel
Plate (12) and the second pre-embedded bolt (14), the 4th junction steel plate (12) are partially embedded in external wall (1), and the described 4th
Junction steel plate (12) one side wall extends to outside the side wall of external wall (1), and the surface of the 4th junction steel plate (12) is fixed
Connect the second pre-embedded bolt (14)；The surface of 4th junction steel plate (12) is also welded with wall connecting rod (13), the wall connecting rod
(13) external scaffolding frame body (2) are connected by cruciform fastening for falsework.
2. a kind of change overhanging type external scaffold according to claim 1, which is characterized in that the scaffold pressure pin (8) is work
Word steel is made, and the wall connecting rod (13) is made of steel pipe, and the railing (17) is made of reinforcing bar.
3. a kind of change overhanging type external scaffold according to claim 1, which is characterized in that first pre-embedded bolt (7) is passed through
It is through at external wall (1), the first pre-embedded bolt (7) of every first junction steel plate (6) and the second junction steel plate (9) surface
Quantity is 2.
4. a kind of change overhanging type external scaffold according to claim 1, which is characterized in that second pre-embedded bolt (14)
Specification is 4 less than the first pre-embedded bolt (7), the second pre-embedded bolt (14) quantity on every the 4th junction steel plate (12) surface
It is a.
5. a kind of change overhanging type external scaffold according to claim 1, which is characterized in that first wall-connecting piece (3), second
Wall-connecting piece (4) and third wall-connecting piece (5) protrude from the distance between side wall surface and external wall (1) of external wall (1)
Respectively less than it is equal to 15mm.
6. a kind of construction method of change overhanging type external scaffold described in any one according to claim 1~4, which is characterized in that
Including implementation steps in detail below:
Step 1, pre-buried first wall-connecting piece (3), the second wall-connecting piece (4) and third wall-connecting piece (5) in external wall (1)；
Step 2 is installed scaffold pressure pin (8), is bonded one end of I-steel and the sidewall surfaces of the first junction steel plate (6), and
The first junction steel plate (6) is fixed with I-steel by bolt；
Step 3 sets up external scaffolding frame body (2), hangs up safety net (20) and installs foot guard plate (19)；
Step 4 is laid with reinforced mesh (18) on external scaffolding frame body (2)；
Step 5 is installed pull rod (11), one end of pull rod (11) is fixedly connected with the second junction steel plate (9) with bolt, will be drawn
The other end of bar (11) is hinged by pin with third junction steel plate (10)；
Step 6 is installed wall connecting rod (13), sets up third wall-connecting piece (5), and wall connecting rod (13) one end and the second wall-connecting piece (4) is full
Weldering, and the other end of wall connecting rod (13) is connect with external scaffolding frame body (2) by cruciform fastening for falsework；
Step 7 is checked and is checked and accepted；
Step 8 detects maintenance in use process；
Step 9, external scaffolding are removed, cut off pre-embedded steel slab along constructure body structure metope.
7. a kind of construction method of change overhanging type external scaffold according to claim 5, which is characterized in that the I-steel is used
Double nut is tightened, and is fixed on the first junction steel plate (6), and screw-down torque is 40~65Nm；It uses one end of the pull rod (11)
Double nut is tightened on the second junction steel plate (9), and screw-down torque is 40~65Nm, third on the other end and I-steel
Junction steel plate (10) is connected by pin；Described wall connecting rod (13) one end withstands on the surface of the 4th junction steel plate (12) and is fully welded,
Its other end is connect with external scaffolding frame body (2) by cruciform fastening for falsework, and fastener is tightened with nut, and screw-down torque is 40~65N
m。
8. a kind of construction method of change overhanging type external scaffold according to claim 5, which is characterized in that in the step 9
After the completion, it dismantles the first wall-connecting piece (3), the second wall-connecting piece (4), third wall-connecting piece (5), pull rod (11), scaffold pressure pin (8)
Afterwards, external wall (1) table is protruded from using acetylene excision the first wall-connecting piece (3), the second wall-connecting piece (4) and third wall-connecting piece (5)
Prevention and treatment corrosion is repaired with waterproof mortar after the completion of cutting in the part in face.
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| CN110259090A (en) * | 2019-06-24 | 2019-09-20 | 南通大学 | A kind of construction method of novel pull-up builder's jack |
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| CN112593693A (en) * | 2020-12-04 | 2021-04-02 | 江苏天德建设工程有限公司 | Overhanging type external scaffold convenient for repairing wall and construction method thereof |
| CN114673336A (en) * | 2022-04-26 | 2022-06-28 | 中国电建集团河南工程有限公司 | Novel detachable embedded bolt type cantilever frame construction method |
| CN114753610A (en) * | 2021-10-30 | 2022-07-15 | 上海宝冶集团有限公司 | Construction method of basket type overhanging scaffold |
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| CN208380060U (en) * | 2018-04-18 | 2019-01-15 | 中铁建设集团北京工程有限公司 | Exterior wall builder's jack |
| CN208534009U (en) * | 2018-06-27 | 2019-02-22 | 华恒建设集团有限公司 | A kind of fixation device of builder's jack |
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| CN110259090A (en) * | 2019-06-24 | 2019-09-20 | 南通大学 | A kind of construction method of novel pull-up builder's jack |
| CN110259090B (en) * | 2019-06-24 | 2021-07-23 | 南通大学 | Construction method of novel pull-up type overhanging scaffold |
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| CN110230390A (en) * | 2019-07-17 | 2019-09-13 | 安徽安兴装饰工程有限责任公司 | A kind of abnormity curtain buildings scaffold wall-connecting piece |
| CN110565929A (en) * | 2019-07-26 | 2019-12-13 | 江苏兴厦建设工程集团有限公司 | Scaffold for construction of large-specification wall paving piece of building outer wall |
| CN110565929B (en) * | 2019-07-26 | 2021-08-31 | 江苏兴厦建设工程集团有限公司 | Scaffold for construction of large-specification wall paving piece of building outer wall |
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| CN110306774A (en) * | 2019-08-08 | 2019-10-08 | 中国建筑第四工程局有限公司 | A kind of installation method and device of spigot-and-socket builder's jack |
| CN110306774B (en) * | 2019-08-08 | 2023-07-25 | 中国建筑第四工程局有限公司 | Method and device for installing socket type cantilever scaffold |
| CN110805257B (en) * | 2019-11-18 | 2022-03-15 | 广西途辉建筑工程有限公司 | Flower basket overhanging type section steel bearing beam structure and construction method |
| CN110805257A (en) * | 2019-11-18 | 2020-02-18 | 广西途辉建筑工程有限公司 | Flower basket overhanging type section steel bearing beam structure and construction method |
| CN110805266A (en) * | 2019-11-18 | 2020-02-18 | 广西途辉建筑工程有限公司 | External scaffold wall connecting structure and construction method |
| CN110952764A (en) * | 2019-11-21 | 2020-04-03 | 成都建工第二建筑工程有限公司 | Externally hung type externally hung overhanging scaffold |
| CN110952763A (en) * | 2019-11-21 | 2020-04-03 | 成都建工第二建筑工程有限公司 | Construction method of externally-hung type externally-hung overhanging scaffold |
| CN111236621A (en) * | 2020-01-19 | 2020-06-05 | 中国十七冶集团有限公司 | Fixing system for beam-side embedded overhanging scaffold |
| CN111946042A (en) * | 2020-08-25 | 2020-11-17 | 中建八局第四建设有限公司 | Method for building external scaffold of concrete cantilever structure and external scaffold device |
| CN112096049A (en) * | 2020-09-17 | 2020-12-18 | 四川大太阳建筑科技有限公司 | Construction method of building outer wall climbing frame wall connecting piece |
| CN112593693B (en) * | 2020-12-04 | 2022-01-14 | 江苏天德建设工程有限公司 | Overhanging type external scaffold convenient for repairing wall and construction method thereof |
| CN112593693A (en) * | 2020-12-04 | 2021-04-02 | 江苏天德建设工程有限公司 | Overhanging type external scaffold convenient for repairing wall and construction method thereof |
| CN114753610A (en) * | 2021-10-30 | 2022-07-15 | 上海宝冶集团有限公司 | Construction method of basket type overhanging scaffold |
| CN114673336A (en) * | 2022-04-26 | 2022-06-28 | 中国电建集团河南工程有限公司 | Novel detachable embedded bolt type cantilever frame construction method |
| CN115162697A (en) * | 2022-06-23 | 2022-10-11 | 中建四局第三建设有限公司 | I-shaped steel cantilever platform for special-shaped column construction and construction method |
| CN115162697B (en) * | 2022-06-23 | 2024-01-23 | 中建四局第三建设有限公司 | Special-shaped column construction work I-shaped steel cantilever platform and construction method |
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