CN106760461B - A kind of installation method of full fabricated scaffold overhanging - Google Patents
A kind of installation method of full fabricated scaffold overhanging Download PDFInfo
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- CN106760461B CN106760461B CN201710117242.2A CN201710117242A CN106760461B CN 106760461 B CN106760461 B CN 106760461B CN 201710117242 A CN201710117242 A CN 201710117242A CN 106760461 B CN106760461 B CN 106760461B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/18—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by cantilevers or other provisions mounted in openings in the building, e.g. window openings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/006—Scaffold with cantilevered sections, e.g. to accommodate overhangs or recesses in the facade
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/046—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The present invention relates to a kind of installation methods of full fabricated scaffold overhanging, component is overhang including making full fabricated scaffold: including the Cantilever Beams fastening assembly being set on building n-th layer shear wall or collar tie beam, I-steel Cantilever Beams, brace fastening assembly on the (n+1)th layer main body periphery concrete shear wall of building or collar tie beam is set, oblique pull bar assembly, scaffold upright rod positioning device, I-steel coupling beam and coupling beam fastening and loading device, and the construction method of installation to above-mentioned component, overhanging beam component structure deft design in the present invention is reasonable, bearing capacity is strong, and components are easy production, it is convenient that assembling installation and later period dismounting recycle, reuse rate is high, and construction method of installation is fast reasonable, it has good value for applications and economic value.
Description
Technical field
The present invention relates to building auxiliary equipments to manufacture construction method technical field, and especially a kind of full fabricated scaffold is outstanding
The installation method chosen.
Background technique
Existing building scaffold outrigger overhanging I-steel generally uses to protrude into indoor end and anchor is arranged safety lanyard again
It restricts soft drawn, overhanging I-steel protrudes into indoor (choosing mode outside), and when large span will also use the construction method of lower diagonal brace, but they are all
Generally existing following problems:
1, circulation material is wasted, the overhanging universal length of I-steel is in 3m or more, and the U-shaped card of end anchoring is difficult to recycle；
2, the anchoring piece of anchored end usually requires pre-buried in advance, cuts away after completion；Exterior wall preformed hole needs after completion
It blocks so that labor intensity of workers is big, expenditure of time is more；
3, reinforced concrete structure is changed at shear wall, influences the quality of building body；
4, there are the common faults of external wall seepage.
Simultaneously when encounter need to install at construction wall external corner it is oblique 45 ° arrangement overhangings, this need to set coupling beam into
Row is reinforced, but the connection of common coupling beam is all directly to be welded, this is time-consuming and laborious when causing to construct, and is difficult to recycle and be repeated
It utilizes.
Summary of the invention
The existing above problem, trouble and disadvantage when present invention aim to solve I-steel Cantilever Beams installation
End provides a kind of components batch production and manufacture and repeat back to receipts utilization, easy for construction, efficient full assembled foot flexibly and fast
Hand cradle overhangs device and its installation method.
Concrete scheme of the invention is: a kind of installation method of full fabricated scaffold overhanging, comprising the following steps:
Step 1: making full fabricated scaffold overhanging component: including being set on building n-th layer shear wall or collar tie beam
Cantilever Beams fastening assembly, I-steel Cantilever Beams, the brace being arranged on the (n+1)th layer main body periphery concrete shear wall of building or collar tie beam
Fastening assembly, oblique pull bar assembly and scaffold upright rod positioning device；
The Cantilever Beams fastening assembly includes pedestal steel plate, pre-buried PVC sleeve A and through-wall bolt A, pedestal steel plate and I-shaped
One end of steel Cantilever Beams is welded together, and the side top and the bottom of pedestal steel plate are respectively provided with a circular bolt holes, pedestal steel plate
Other side symmetric position top and the bottom are respectively provided with a kidney-shaped bolt hole；
There are two being opened up side by side on web horizontal center line on the I-steel Cantilever Beams far from construction wall one end tiltedly
Pull rod link bolt hole, and two brace link bolt hole are spaced apart from each other certain distance；
The brace fastening assembly includes that brace connects wall base, pre-buried PVC casing B and through-wall bolt B；The brace
Even wall base is made of bottom plate and two pieces of otic placodes being arranged parallel, and respectively offers one on insole board top and two pieces of otic placodes
Bolt hole, the bolt hole on two otic placodes are symmetrically set, and when two otic placodes are flattened to two sides otic placode and bottom plate intersection with
The horizontal center line of bottom plate upper bolt hole forms intersection point, and bolt hole center's point on the intersection point and ipsilateral otic placode is linked to be line and bottom plate
Angle α between the vertical centerline of upper bolt hole is 45 °；Brace connects wall base at n+2 layers or more with short steel pipes conduct with holes
Wall-connecting piece uses；
The oblique pull bar assembly includes threaded rod, brace and the two power transmission auxiliaries to match with I-steel Cantilever Beams,
The threaded rod upper end and brace fastening assembly are hinged, and the lower end of threaded rod and the upper internal threaded of brace connect, oblique pull
The lower end of bar, which is welded, a plane force block, and position offers a bolt hole among plane force block, which runs through
The bar wall of brace；The power transmission auxiliary is channel steel structure, and channel steel inside configuration web is equipped with bolt hole, channel steel inside configuration
The incline upward of bolt hole on web, which is welded, one piece of force transmitting board, which is welded integrally with the wing plate of two sides simultaneously；
The scaffold upright rod positioning device, which has, clamps steel plate base, clamps the side punching press flange of steel plate base into hook
Clip-like, the centre for clamping steel plate base offer a positioning spiro pit, and aligned position is welded with one and determines on positioning spiro pit
Position nut, passes through positioning spiro pit and location nut is equipped with a upright bar positioning bolt, is set with locking on upright bar positioning bolt
Nut；The other side for clamping steel plate base is opened up there are two clamp bolt hole, respectively with being arranged with a folder in two clamp bolt holes
Tight bolt and binding nut are set with one block of clamping steel plate on two fishbolts jointly；
Step 2: the web vertical of I-steel Cantilever Beams is arranged, band brace link bolt hole on I-steel Cantilever Beams
One end towards wall outer side, the other end of I-steel Cantilever Beams is together with pedestal steel plate vertical welding；Again in building n-th layer
Pedestal steel plate is anchored on wall by through-wall bolt A in pre-buried PVC sleeve A on shear wall or collar tie beam, fastens one at this time
A circular bolt holes and a kidney-shaped bolt hole, the end of I-steel Cantilever Beams are placed in the interim leger in lower layer's scaffold periphery
On, so that I-steel Cantilever Beams end is slightly above base portion 2-3cm；
Step 3: by through walls in building the pre-buried PVC casing B on the (n+1)th layer main body periphery concrete shear wall or collar tie beam
Brace is connected wall base and is anchored on wall by bolt B, since brace connects wall base is connected using single through-wall bolt B at this time
It connects, brace connects wall base and needed that oblique power taking can be rotated along metope according to actual installation；
Step 4: installation oblique pull bar assembly: first being needed to select an installation piece brace or two at this time according to practice of construction
Root brace, installs two braces and needs to install two braces and connect wall base；After determining brace quantity, first by screw thread
Bar upper end connects wall base hinge with brace and is fitted together, then brace and threaded rod screw thread are screwed, and connects bolt according to brace
Hole site adjusts oblique pull pole length；Then the web two sides at brace link bolt hole selected on I-steel Cantilever Beams are each
A power transmission auxiliary is filled, the plane force block of brace lower end is aligned with power transmission auxiliary, then passes through bolt for brace and I-shaped
Steel Cantilever Beams tighten together；
Step 5: the installation scaffold vertical rod positioning apparatus separated by a distance on I-steel Cantilever Beams, then in upright bar
It is set with scaffold upright rod on positioning bolt, scaffold frame body is installed finally by scaffold upright rod.
The acute angle formed between heretofore described brace and I-steel Cantilever Beams is greater than 45 °.
Heretofore described through-wall bolt A or through-wall bolt B is T-type bolt structure, and the bolt head of T-type bolt structure is
Tack or ball head structure.
Another installation method of full fabricated scaffold overhanging, comprising the following steps:
Step 1: making full fabricated scaffold overhanging component: including being set to building n-th layer shear wall or circle
Cantilever Beams fastening assembly, I-steel Cantilever Beams on beam, setting build the (n+1)th layer main body periphery concrete shear wall or
Brace fastening assembly, oblique pull bar assembly, scaffold upright rod positioning device, I-steel coupling beam and coupling beam on collar tie beam clamp dress
It sets；
The Cantilever Beams fastening assembly includes pedestal steel plate, pre-buried PVC sleeve A and through-wall bolt A, pedestal steel plate and I-shaped
One end of steel Cantilever Beams is welded together, and the side top and the bottom of pedestal steel plate are respectively provided with a circular bolt holes, pedestal steel plate
Other side symmetric position top and the bottom are respectively provided with a kidney-shaped bolt hole；
There are two being opened up side by side on web horizontal center line on the I-steel Cantilever Beams far from construction wall one end tiltedly
Pull rod link bolt hole, and two brace link bolt hole are spaced apart from each other certain distance；
The brace fastening assembly includes that brace connects wall base, pre-buried PVC casing B and through-wall bolt B；The brace
Even wall base is made of bottom plate and two pieces of otic placodes being arranged parallel, and respectively offers one on insole board top and two pieces of otic placodes
Bolt hole, the bolt hole on two otic placodes are symmetrically set, and when two otic placodes are flattened to two sides otic placode and bottom plate intersection with
The horizontal center line of bottom plate upper bolt hole forms intersection point, and bolt hole center's point on the intersection point and ipsilateral otic placode is linked to be line and bottom plate
Angle α between the vertical centerline of upper bolt hole is 45 °；
The oblique pull bar assembly includes threaded rod, brace and the two power transmission auxiliaries to match with I-steel Cantilever Beams,
The threaded rod upper end and brace fastening assembly are hinged, and the lower end of threaded rod and the upper internal threaded of brace connect, oblique pull
The lower end of bar, which is welded, a plane force block, and position offers a bolt hole among plane force block, which runs through
The bar wall of brace；The power transmission auxiliary is channel steel structure, and channel steel inside configuration web is equipped with bolt hole, channel steel inside configuration
The incline upward of bolt hole on web, which is welded, one piece of force transmitting board, which is welded integrally with the wing plate of two sides simultaneously；
The scaffold upright rod positioning device, which has, clamps steel plate base, clamps the side punching press flange of steel plate base into hook
Clip-like, the centre for clamping steel plate base offer a positioning spiro pit, and aligned position is welded with one and determines on positioning spiro pit
Position nut, passes through positioning spiro pit and location nut is equipped with a upright bar positioning bolt, is set with locking on upright bar positioning bolt
Nut；The other side for clamping steel plate base is opened up there are two clamp bolt hole, respectively with being arranged with a folder in two clamp bolt holes
Tight bolt and binding nut are set with one block of clamping steel plate on two fishbolts jointly；
The coupling beam fastening and loading device has snap-gauge, and snap-gauge or so is respectively provided with a through-hole, a T is respectively coated in two through hole
Type bar A and T-bar B, wherein one end on T-bar A far from T-type end is arranged to circular ring structure, separate T-type end on T-bar B
One end be arranged to hook arrangement；Binding wirerope is equipped between circular ring structure and hook arrangement；
Step 2: the two I-steel Cantilever Beams that are welded: the web vertical arrangement of I-steel Cantilever Beams and with pedestal steel
Plate vertical welding together, the web vertical arrangement of another I-steel Cantilever Beams and with another pedestal steel plate level oblique 45
Degree is welded together；One end with brace link bolt hole is towards wall outer side on the above-mentioned middle I-steel Cantilever Beams that are welded；
Step 3: passing through through-wall bolt A in the pre-buried PVC sleeve A on building n-th layer shear wall or collar tie beam for two pieces of bottoms
Seat steel plate is anchored on wall, fastens a circular bolt holes and a kidney-shaped bolt hole at this time；It is wherein vertical with pedestal steel plate
The I-steel Cantilever Beams being welded are mounted on the front of construction wall, and another I-steel Cantilever Beams are mounted at construction wall external corner
And the front installation at 45 ° with construction wall；
Step 4: by through walls in building the pre-buried PVC casing B on the (n+1)th layer main body periphery concrete shear wall or collar tie beam
Two braces are connected wall base and are anchored on wall by bolt B, at this time due to brace connect wall base be using single through-wall bolt B into
Row connection, brace connect wall base and are needed that oblique power taking can be rotated along metope according to actual installation；One of brace connects wall base
Corresponding with the I-steel Cantilever Beams being welded vertical in second step, another brace connects wall base and is welded with oblique 45 ° in second step
I-steel Cantilever Beams it is corresponding；
Step 5: installation oblique pull bar assembly: at this time first according to practice of construction it needs to be determined that on same root I-steel Cantilever Beams
The quantity of brace is installed；It determines brace quantity and then is installed on two I-steel Cantilever Beams by same processes respectively
Oblique pull bar assembly: threaded rod upper end and brace are first connected into wall base hinge and are fitted together, then brace and threaded rod screw thread are revolved
Tightly；Then the web two sides at brace link bolt hole selected on I-steel Cantilever Beams respectively fill a power transmission auxiliary, tiltedly
The plane force block of pull rod lower end is aligned with power transmission auxiliary, then brace and I-steel Cantilever Beams are fastened on one by bolt
It rises；
Step 6: installation I-steel coupling beam: I-steel coupling beam being placed on to the lateral ends of two I-steel Cantilever Beams, so
I-steel coupling beam and I-steel Cantilever Beams are fastened by coupling beam fastening and loading device afterwards, the binding of coupling beam fastening and loading device is by as follows
Snap-gauge, T-bar A and T-bar B: being first installed on the I-steel Cantilever Beams on the inside of I-steel coupling beam by operation, then will bundle
Wirerope is tied up to set out around I-steel coupling beam and I-steel Cantilever Beams and eventually by hook arrangement from circular ring structure by I-steel
Coupling beam and I-steel Cantilever Beams tie up fastening, and bundle lateral ends winding at least one circle of the wirerope around I-steel Cantilever Beams；
Step 7: being separated by a spacing on I-steel Cantilever Beams and I-steel coupling beam after the binding fastening of I-steel coupling beam
From installation scaffold vertical rod positioning apparatus, it then is set with scaffold upright rod on upright bar positioning bolt, it is vertical finally by scaffold
Bar installs scaffold frame body.
The acute angle formed between the I-steel Cantilever Beams being vertically welded in the present invention and the brace installed thereon is greater than
45°。
Construction method of installation of the invention has the advantages that
1. each components in the present invention are all made of the factorial production, easy to manufacture, easy to install and use, and can be multiple
It reuses, greatlys save the manpower and material resources cost of cost of material and later period dismounting, economic benefit is obvious；
2. brace, which connects wall base, connects wall using single bolt hole, rotation power taking is convenient, and when two otic placodes are flattened to two sides
When otic placode and the horizontal center line of bottom plate intersection and bottom plate upper bolt hole form intersection point, the bolt hole on the intersection point and ipsilateral otic placode
It is 45 ° that central point, which is linked to be the angle α between line and the vertical centerline of bottom plate upper bolt hole, and such angle design is conducive to oblique pull
The transmitting of power between bar and wall, enhancing brace connect the shearing resistance of wall pedestal and through-wall bolt；
3. two brace link bolt hole are arranged in I-steel Cantilever Beams distal end, one remote one is close, can according to need to oblique
Pull rod is adjusted, and easy to operate；
4. two circular bolt holes are arranged on pedestal steel plate on one side, two kidney-shaped bolts hole are arranged in another side, can prevent
Adjustment when pre-buried PVC sleeve position shifts is convenient；
5. brace rear surface be provided with plane force block and its be arranged in I-steel overhanging web two sides biography
Power auxiliary cooperates together, and is fastened by bolts, and the transmitting of this mode power is more reasonable, can effectively increase the shearing resistance of tie point
Power；If needing to install diclinic pull rod in the case that I-steel Cantilever Beams installation span is big simultaneously, diclinic pull rod be can be convenient
The two sides of I-steel Cantilever Beams are mounted on, to increase its bearing capacity；
6. installing I-steel coupling beam uses coupling beam fastening and loading device, clamped with easy device, binding wirerope is twined
Around binding, I-steel coupling beam will not outside Slideslip, stable connection safety is installed simple and quick, and while dismantling is convenient,
It can be used repeatedly, greatly save economic cost.
Overhanging beam component structure deft design in the present invention is reasonable, and bearing capacity is strong, and components are easy production, assembling
It is convenient that installation and later period dismounting recycle, and reuse rate is high, and construction method of installation is fast reasonable, has and pushes away well
Wide use value and economic value.
Detailed description of the invention
Fig. 1 is a kind of installation method structural schematic diagram of full fabricated scaffold overhanging in the present invention；
Fig. 2 is brace structural schematic diagram in the present invention；
Fig. 3 be in the present invention one side of brace to structural schematic diagram；
Fig. 4 is enlarged diagram at K in the present invention；
Fig. 5 is power transmission auxiliary structural schematic diagram in the present invention；
Fig. 6 is pedestal steel plate structure schematic diagram in the present invention；
Fig. 7 is that brace connects wall base structural schematic diagram in the present invention；
Fig. 8 is that brace connects wall base expanded schematic diagram；
Fig. 9 is scaffold upright rod positioning device structure schematic diagram in the present invention；
Figure 10 is frame hand cradle vertical rod positioning apparatus and I-steel Cantilever Beams connection schematic diagram；
Figure 11 is the installation structural schematic diagram with external corner overhanging coupling beam in the present invention；
Figure 12 is enlarged diagram at H in Figure 11；
Figure 13 is coupling beam fastening and loading device structural schematic diagram in the present invention.
In figure: 1-frame hand cradle frame body, 2-scaffold upright rod positioning devices, 3-oblique pull bar assemblies, the overhanging of 4-I-steel
Beam, 5-Cantilever Beams fastening assemblies, 6-building n-th layer shear walls or collar tie beam, 7-the (n+1)th layer main bodies of building, 8-braces are tight
Gu component, 9-plane force blocks, 10-braces, 11-threaded rods, 12-brace link bolt hole, 13-power transmission auxiliaries,
14-force transmitting boards, 15-pedestal steel plates, 16-circular bolt holes, 17-kidney-shaped bolts hole, 18-otic placodes, 19-bottom plates, 20-
Binding nut, 21-clamp steel plate, 22-fishbolts, 23-location nuts, 24-locking nuts, 25-upright bars positioning spiral shell
Bolt, 26-clamp steel plate base, and 27-scaffold upright rods, 28-construction walls, 29-I-steel coupling beams, 30-coupling beams, which clamp, to be filled
It sets, 31-T-bar A, 32-circular ring structures, 33-snap-gauges, 34-hook arrangements, 35-T-bar B, 36-binding wirerope.
Specific embodiment
Referring to Fig. 1-Figure 13, the present invention is a kind of installation method of full fabricated scaffold overhanging, comprising the following steps:
Step 1: making full fabricated scaffold according to major structure of construction overhangs component: including being set to building n-th layer
(n+1)th layer of master is being built in Cantilever Beams fastening assembly 5 on shear wall or collar tie beam 6, the I-steel Cantilever Beams 4 being of convenient length, setting
7 periphery concrete shear wall of body or brace fastening assembly 8, oblique pull bar assembly 3 and scaffold upright rod positioning device 2 on collar tie beam；
The Cantilever Beams fastening assembly includes pedestal steel plate 15, pre-buried PVC sleeve A and through-wall bolt A, pedestal steel plate and work
One end of word steel Cantilever Beams is welded together, and the side top and the bottom of pedestal steel plate are respectively provided with a circular bolt holes 16, pedestal steel
The other side symmetric position top and the bottom of plate are respectively provided with a kidney-shaped bolt hole 17；
Brace connects spiral shell there are two opening up side by side on web on the I-steel Cantilever Beams far from construction wall one end
Keyhole 12, and two brace link bolt hole are spaced apart from each other certain distance；
The brace fastening assembly includes that brace connects wall base, pre-buried PVC casing B and through-wall bolt B；The brace
Even wall base is made of the otic placode 18 that bottom plate 19 and two pieces are arranged parallel, and is respectively offered on insole board top and two pieces of otic placodes
One bolt hole, the bolt hole on two otic placodes are symmetrically set, and otic placode and bottom plate are handed over when two otic placodes are flattened to two sides
The horizontal center line of line and bottom plate upper bolt hole forms intersection point, bolt hole center's point on the intersection point and ipsilateral otic placode be linked to be line with
Angle α between the vertical centerline of bottom plate upper bolt hole is 45 °；
The oblique pull bar assembly includes that threaded rod 11, brace 10 and two power transmissions matching with I-steel Cantilever Beams are auxiliary
Part 13, the threaded rod upper end and brace fastening assembly are hinged, and the lower end of threaded rod and the upper internal threaded of brace connect,
The lower end of brace, which is welded, a plane force block 9, and position offers a bolt hole among plane force block, the bolt hole
Through the bar wall of brace；The power transmission auxiliary is channel steel structure, and channel steel inside configuration web is equipped with bolt hole, channel steel structure
The incline upward of bolt hole in internal web, which is welded, one piece of force transmitting board 14, which is welded into the wing plate of two sides simultaneously
One；
The scaffold upright rod positioning device, which has, clamps steel plate base 26, clamp the side punching press flange of steel plate base at
Clip-like is hooked, the centre for clamping steel plate base offers a positioning spiro pit, and aligned position is welded with one on positioning spiro pit
Location nut 23, passes through positioning spiro pit and location nut is equipped with a upright bar positioning bolt 25, is set on upright bar positioning bolt
There is locking nut 24；The other side for clamping steel plate base is opened up there are two clamp bolt hole, respectively with being arranged in two clamp bolt holes
There are a fishbolt and binding nut, is set with one block of clamping steel plate 21 on two fishbolts jointly；
Step 2: the web vertical of I-steel Cantilever Beams is arranged, band brace link bolt hole on I-steel Cantilever Beams
One end towards wall outer side, the other end of I-steel Cantilever Beams is together with pedestal steel plate vertical welding；Again in building n-th layer
Pedestal steel plate is anchored on wall by through-wall bolt A in pre-buried PVC sleeve A on shear wall or collar tie beam, fastens one at this time
A circular bolt holes and a kidney-shaped bolt hole, and selected to be installation one oblique according to the length of I-steel Cantilever Beams and span
Pull rod either two braces；
Step 3: by through walls in building the pre-buried PVC casing B on the (n+1)th layer main body periphery concrete shear wall or collar tie beam
Brace is connected wall base and is anchored on wall by bolt B, since brace connects wall base is connected using single through-wall bolt B at this time
It connects, brace connects wall base and needed that oblique power taking can be rotated along metope according to actual installation；
Step 4: installation oblique pull bar assembly: first being needed to select an installation piece brace or two at this time according to practice of construction
Root brace, installs two braces and needs to install two braces and connect wall base；After determining brace quantity, first by screw thread
Bar upper end connects wall base hinge with brace and is fitted together, then brace and threaded rod screw thread are screwed；Then in I-steel Cantilever Beams
Web two sides at upper selected brace link bolt hole respectively fill a power transmission auxiliary, the plane force block of brace lower end with
The alignment of power transmission auxiliary, then brace is tightened together with I-steel Cantilever Beams by bolt；
Step 5: the installation scaffold vertical rod positioning apparatus separated by a distance on I-steel Cantilever Beams, then in upright bar
It is set with scaffold upright rod on positioning bolt, scaffold frame body is installed finally by scaffold upright rod.
The acute angle formed between brace described in the present embodiment and I-steel Cantilever Beams is greater than 45 °.
Through-wall bolt A described in the present embodiment or through-wall bolt B are T-type bolt structure, the bolt head of T-type bolt structure
For tack or ball head structure.
Another installation method of full fabricated scaffold overhanging, comprising the following steps:
Step 1: making full fabricated scaffold overhanging component: including being set to building n-th layer shear wall or circle
Cantilever Beams fastening assembly, I-steel Cantilever Beams on beam, setting build the (n+1)th layer main body periphery concrete shear wall or
Brace fastening assembly, oblique pull bar assembly, scaffold upright rod positioning device, I-steel coupling beam 29 and coupling beam on collar tie beam clamp
Device 30；
The Cantilever Beams fastening assembly includes pedestal steel plate, pre-buried PVC sleeve A and through-wall bolt A, pedestal steel plate and I-shaped
One end of steel Cantilever Beams is welded together, and the side top and the bottom of pedestal steel plate are respectively provided with a circular bolt holes, pedestal steel plate
Other side symmetric position top and the bottom are respectively provided with a kidney-shaped bolt hole；
Brace connects spiral shell there are two opening up side by side on web on the I-steel Cantilever Beams far from construction wall one end
Keyhole, and two brace link bolt hole are spaced apart from each other certain distance；
The brace fastening assembly includes that brace connects wall base, pre-buried PVC casing B and through-wall bolt B；The brace
Even wall base is made of bottom plate and two pieces of otic placodes being arranged parallel, and respectively offers one on insole board top and two pieces of otic placodes
Bolt hole, the bolt hole on two otic placodes are symmetrically set, and when two otic placodes are flattened to two sides otic placode and bottom plate intersection with
The horizontal center line of bottom plate upper bolt hole forms intersection point, and bolt hole center's point on the intersection point and ipsilateral otic placode is linked to be line and bottom plate
Angle α between the vertical centerline of upper bolt hole is 45 °；
The oblique pull bar assembly includes threaded rod, brace and the two power transmission auxiliaries to match with I-steel Cantilever Beams,
The threaded rod upper end and brace fastening assembly are hinged, and the lower end of threaded rod and the upper internal threaded of brace connect, oblique pull
The lower end of bar, which is welded, a plane force block, and position offers a bolt hole among plane force block, which runs through
The bar wall of brace；The power transmission auxiliary is channel steel structure, and channel steel inside configuration web is equipped with bolt hole, channel steel inside configuration
The incline upward of bolt hole on web, which is welded, one piece of force transmitting board, which is welded integrally with the wing plate of two sides simultaneously；
The scaffold upright rod positioning device, which has, clamps steel plate base, clamps the side punching press flange of steel plate base into hook
Clip-like, the centre for clamping steel plate base offer a positioning spiro pit, and aligned position is welded with one and determines on positioning spiro pit
Position nut, passes through positioning spiro pit and location nut is equipped with a upright bar positioning bolt, is set with locking on upright bar positioning bolt
Nut；The other side for clamping steel plate base is opened up there are two clamp bolt hole, respectively with being arranged with a folder in two clamp bolt holes
Tight bolt and binding nut are set with one block of clamping steel plate on two fishbolts jointly；
The coupling beam fastening and loading device has snap-gauge 33, and snap-gauge or so is respectively provided with a through-hole, is respectively coated with one in two through hole
Root T-bar A31 and T-bar B35, wherein one end on T-bar A far from T-type end is arranged to circular ring structure 32, remote on T-bar B
One end from T-type end is arranged to hook arrangement 34；Binding wirerope 36 is equipped between circular ring structure and hook arrangement；
Step 2: the two I-steel Cantilever Beams that are welded: the web vertical arrangement of I-steel Cantilever Beams and with pedestal steel
Plate vertical welding together, the web vertical arrangement of another I-steel Cantilever Beams and with another pedestal steel plate level oblique 45
Degree is welded together；One end with brace link bolt hole is towards wall outer side on the above-mentioned middle I-steel Cantilever Beams that are welded；
Step 3: passing through through-wall bolt A in the pre-buried PVC sleeve A on building n-th layer shear wall or collar tie beam for two pieces of bottoms
Seat steel plate is anchored on wall, fastens a circular bolt holes and a kidney-shaped bolt hole at this time, and according to I-steel Cantilever Beams
Length and span to select be piece brace of installation either two braces；The wherein work being welded vertical with pedestal steel plate
Word steel Cantilever Beams are mounted on the front of construction wall, another I-steel Cantilever Beams be mounted at construction wall external corner and with building
The front installation at 45 ° of wall；
Step 4: by through walls in building the pre-buried PVC casing B on the (n+1)th layer main body periphery concrete shear wall or collar tie beam
Two braces are connected wall base and are anchored on wall by bolt B, at this time due to brace connect wall base be using single through-wall bolt B into
Row connection, brace connect wall base and are needed that oblique power taking can be rotated along metope according to actual installation；One of brace connects wall base
Corresponding with the I-steel Cantilever Beams being welded vertical in second step, another brace connects wall base and is welded with oblique 45 ° in second step
I-steel Cantilever Beams it is corresponding；
Step 5: installation oblique pull bar assembly: at this time first according to practice of construction it needs to be determined that on same root I-steel Cantilever Beams
The quantity of brace is installed；It determines brace quantity and then is installed on two I-steel Cantilever Beams by same processes respectively
Oblique pull bar assembly: threaded rod upper end and brace are first connected into wall base hinge and are fitted together, then brace and threaded rod screw thread are revolved
Tightly；Then the web two sides at brace link bolt hole selected on I-steel Cantilever Beams respectively fill a power transmission auxiliary, tiltedly
The plane force block of pull rod lower end is aligned with power transmission auxiliary, then brace and I-steel Cantilever Beams are fastened on one by bolt
It rises；
Step 6: installation I-steel coupling beam: I-steel coupling beam being placed on to the lateral ends of two I-steel Cantilever Beams, so
I-steel coupling beam and I-steel Cantilever Beams are fastened by coupling beam fastening and loading device afterwards, the binding of coupling beam fastening and loading device is by as follows
Snap-gauge, T-bar A and T-bar B: being first installed on the I-steel Cantilever Beams on the inside of I-steel coupling beam by operation, then will bundle
Wirerope is tied up to set out around I-steel coupling beam and I-steel Cantilever Beams and eventually by hook arrangement from circular ring structure by I-steel
Coupling beam and I-steel Cantilever Beams tie up fastening, and bundle lateral ends winding at least one circle of the wirerope around I-steel Cantilever Beams；
Step 7: being separated by a spacing on I-steel Cantilever Beams and I-steel coupling beam after the binding fastening of I-steel coupling beam
From installation scaffold vertical rod positioning apparatus, it then is set with scaffold upright rod on upright bar positioning bolt, it is vertical finally by scaffold
Bar installs scaffold frame body.
The acute angle formed between the I-steel Cantilever Beams being vertically welded in the present embodiment and the brace installed thereon is greater than
45°。
Construction method of installation of the invention has the advantages that
1. each components in the present invention are all made of the factorial production, easy to manufacture, easy to install and use, and can be multiple
It reuses, greatlys save the manpower and material resources cost of cost of material and later period dismounting, economic benefit is obvious；
2. brace, which connects wall base, connects wall using single bolt hole, rotation power taking is convenient, and when two otic placodes are flattened to two sides
When otic placode and the horizontal center line of bottom plate intersection and bottom plate upper bolt hole form intersection point, the bolt hole on the intersection point and ipsilateral otic placode
It is 45 ° that central point, which is linked to be the angle α between line and the vertical centerline of bottom plate upper bolt hole, and such angle design is conducive to oblique pull
The transmitting of power between bar and wall enhances the shearing resistance of brace；
3. two brace link bolt hole are arranged in I-steel Cantilever Beams distal end, one remote one is close, can according to need to oblique
Pull rod is adjusted, and easy to operate；
4. two circular bolt holes are arranged on pedestal steel plate on one side, two kidney-shaped bolts hole are arranged in another side, can prevent
Adjustment when pre-buried PVC sleeve position shifts is convenient；
5. brace rear surface be provided with plane force block and its be arranged in I-steel overhanging web two sides biography
Power auxiliary cooperates together, and is fastened by bolts, and the transmitting of this mode power is more rationally effective；If I-steel Cantilever Beams simultaneously
Need to install diclinic pull rod in the case that installation span is big, what diclinic pull rod can be convenient is mounted on the two of I-steel Cantilever Beams
Side, to increase its bearing capacity；
6. installing I-steel coupling beam uses coupling beam fastening and loading device, clamped with easy device, binding wirerope is twined
Around binding, I-steel coupling beam will not outside Slideslip, stable connection safety is installed simple and quick, and while dismantling is convenient,
It can be used repeatedly, greatly save economic cost.
Scaffold overhanging beam assembly position, element size size in practice of construction installation can suitably become in the present invention
It changes, but overall installation structures and methods do not have too big variation, otherwise above-mentioned change will be fallen within the scope of the invention.
Overhanging beam component structure deft design in the present invention is reasonable, and bearing capacity is strong, and components are easy production, assembling
It is convenient that installation and later period dismounting recycle, and reuse rate is high, and construction method of installation is fast reasonable, has and pushes away well
Wide use value and economic value.
Claims (5)
1. a kind of installation method of full fabricated scaffold overhanging, it is characterised in that: the following steps are included:
Step 1: making full fabricated scaffold overhanging component: including the overhanging being set on building n-th layer shear wall or collar tie beam
Beam fastening assembly, I-steel Cantilever Beams, the brace fastening being arranged on the (n+1)th layer main body periphery concrete shear wall of building or collar tie beam
Component, oblique pull bar assembly and scaffold upright rod positioning device；
The Cantilever Beams fastening assembly includes pedestal steel plate, pre-buried PVC sleeve A and through-wall bolt A, and pedestal steel plate and I-steel are outstanding
One end of outrigger is welded together, and the side top and the bottom of pedestal steel plate are respectively provided with a circular bolt holes, pedestal steel plate it is another
Side symmetric position top and the bottom are respectively provided with a kidney-shaped bolt hole, and four bolts hole abut the wing plate of I-steel Cantilever Beams；
Brace there are two being opened up side by side on web horizontal center line on the I-steel Cantilever Beams far from construction wall one end
Link bolt hole, and two brace link bolt hole are spaced apart from each other certain distance, two brace link bolt hole are apart from I-steel
The end of Cantilever Beams is respectively 200mm and 400mm；
The brace fastening assembly includes that brace connects wall base, pre-buried PVC casing B and through-wall bolt B；The brace connects wall
Seat is made of bottom plate and two pieces of otic placodes being arranged parallel, and respectively offers a bolt on insole board top and two pieces of otic placodes
Hole, the bolt hole on two otic placodes are symmetrically set, and otic placode and bottom plate intersection and bottom plate when two otic placodes are flattened to two sides
The horizontal center line of upper bolt hole forms intersection point, and bolt hole center's point on the intersection point and ipsilateral otic placode is linked to be spiral shell on line and bottom plate
Angle α between the vertical centerline of keyhole is 45 °；
The oblique pull bar assembly includes threaded rod, brace and the two power transmission auxiliaries to match with I-steel Cantilever Beams, described
Threaded rod upper end and brace fastening assembly are hinged, and the lower end of threaded rod and the upper internal threaded of brace connect, brace
Lower end, which is welded, a plane force block, and position offers a bolt hole among plane force block, which runs through oblique pull
The bar wall of bar；The power transmission auxiliary is channel steel structure, and channel steel inside configuration web is equipped with bolt hole, channel steel inside configuration web
On the incline upward of bolt hole be welded and have one piece of force transmitting board, which is welded integrally with the wing plate of two sides simultaneously；
The scaffold upright rod positioning device, which has, clamps steel plate base, and the side punching press flange for clamping steel plate base is pressed from both sides at hook
Shape, the centre for clamping steel plate base offer a positioning spiro pit, and aligned position is welded with a positioning on positioning spiro pit
Nut, passes through positioning spiro pit and location nut is equipped with a upright bar positioning bolt, is set with locking screw on upright bar positioning bolt
It is female；The other side for clamping steel plate base is opened up there are two clamp bolt hole, respectively with being arranged with a clamping in two clamp bolt holes
Bolt and binding nut are set with one block of clamping steel plate on two fishbolts jointly；
Step 2: the web verticals of I-steel Cantilever Beams is arranged, on I-steel Cantilever Beams with brace link bolt hole one
End is towards wall outer side, and the other end of I-steel Cantilever Beams is together with pedestal steel plate vertical welding；Again in building n-th layer shearing
Pedestal steel plate is anchored on wall by through-wall bolt A in two pre-buried PVC sleeve As side by side on wall or collar tie beam, at this time work
The end of word steel Cantilever Beams is placed on the interim leger of periphery of lower layer's scaffold, and the interim leger height in periphery can make work
The end of word steel Cantilever Beams is higher than base portion 2-3cm；
Step 3: passing through through-wall bolt B in building the pre-buried PVC casing B on the (n+1)th layer main body periphery concrete shear wall or collar tie beam
Brace is connected wall base to be anchored on wall, since brace connects wall base is attached using single through-wall bolt B at this time, tiltedly
Pull rod connects wall base and is needed that oblique power taking can be rotated along metope according to actual installation；
Step 4: installation oblique pull bar assembly: PVC casing B and PVC sleeve A is consistent on vertical position, at this time first according to reality
Border construction needs to select a piece brace of installation or two braces, installs two braces and needs to install two braces companies
Wall base；After determining brace quantity, threaded rod upper end and brace are first connected into wall base hinge and are fitted together, then by brace with
Threaded rod screw thread screws, and adjusts oblique pull pole length according to brace link bolt hole position；Then it is selected on I-steel Cantilever Beams
Web two sides at fixed brace link bolt hole respectively fill a power transmission auxiliary, the plane force block of brace lower end and power transmission
Auxiliary alignment, then brace is tightened together with I-steel Cantilever Beams by bolt；
Step 5: the installation scaffold vertical rod positioning apparatus separated by a distance on every I-steel Cantilever Beams, then in upright bar
It is set with scaffold upright rod on positioning bolt, scaffold frame body is installed finally by scaffold upright rod.
2. a kind of installation method of full fabricated scaffold overhanging according to claim 1, it is characterised in that: the oblique pull
The acute angle formed between bar and I-steel Cantilever Beams is greater than 45 °.
3. a kind of installation method of full fabricated scaffold overhanging according to claim 1, it is characterised in that: described through walls
Bolt A or through-wall bolt B is T-type bolt structure, and the bolt head of T-type bolt structure is tack or ball head structure.
4. a kind of installation method of full fabricated scaffold overhanging, it is characterised in that: the following steps are included:
Step 1: making full fabricated scaffold overhanging component: including being set to building n-th layer shear wall or circle
Cantilever Beams fastening assembly, I-steel Cantilever Beams, setting on beam are building the (n+1)th layer main body periphery concrete shear wall or collar tie beam
On brace fastening assembly, oblique pull bar assembly, scaffold upright rod positioning device, I-steel coupling beam and coupling beam fastening and loading device；
The Cantilever Beams fastening assembly includes pedestal steel plate, pre-buried PVC sleeve A and through-wall bolt A, and pedestal steel plate and I-steel are outstanding
One end of outrigger is welded together, and the side top and the bottom of pedestal steel plate are respectively provided with a circular bolt holes, pedestal steel plate it is another
Side symmetric position top and the bottom are respectively provided with a kidney-shaped bolt hole；
Brace there are two being opened up side by side on web horizontal center line on the I-steel Cantilever Beams far from construction wall one end
Link bolt hole, and two brace link bolt hole are spaced apart from each other certain distance；
The brace fastening assembly includes that brace connects wall base, pre-buried PVC casing B and through-wall bolt B；The brace connects wall
Seat is made of bottom plate and two pieces of otic placodes being arranged parallel, and respectively offers a bolt on insole board top and two pieces of otic placodes
Hole, the bolt hole on two otic placodes are symmetrically set, and otic placode and bottom plate intersection and bottom plate when two otic placodes are flattened to two sides
The horizontal center line of upper bolt hole forms intersection point, and bolt hole center's point on the intersection point and ipsilateral otic placode is linked to be spiral shell on line and bottom plate
Angle α between the vertical centerline of keyhole is 45 °；
The oblique pull bar assembly includes threaded rod, brace and the two power transmission auxiliaries to match with I-steel Cantilever Beams, described
Threaded rod upper end and brace fastening assembly are hinged, and the lower end of threaded rod and the upper internal threaded of brace connect, brace
Lower end, which is welded, a plane force block, and position offers a bolt hole among plane force block, which runs through oblique pull
The bar wall of bar；The power transmission auxiliary is channel steel structure, and channel steel inside configuration web is equipped with bolt hole, channel steel inside configuration web
On the incline upward of bolt hole be welded and have one piece of force transmitting board, which is welded integrally with the wing plate of two sides simultaneously；
The scaffold upright rod positioning device, which has, clamps steel plate base, and the side punching press flange for clamping steel plate base is pressed from both sides at hook
Shape, the centre for clamping steel plate base offer a positioning spiro pit, and aligned position is welded with a positioning on positioning spiro pit
Nut, passes through positioning spiro pit and location nut is equipped with a upright bar positioning bolt, is set with locking screw on upright bar positioning bolt
It is female；The other side for clamping steel plate base is opened up there are two clamp bolt hole, respectively with being arranged with a clamping in two clamp bolt holes
Bolt and binding nut are set with one block of clamping steel plate on two fishbolts jointly；
The coupling beam fastening and loading device has snap-gauge, and snap-gauge or so is respectively provided with a through-hole, a T-bar is respectively coated in two through hole
A and T-bar B, wherein one end on T-bar A far from T-type end is arranged to circular ring structure, the one of separate T-type end on T-bar B
End is arranged to hook arrangement；Binding wirerope is equipped between circular ring structure and hook arrangement；
Step 2: the two I-steel Cantilever Beams that are welded: the web vertical arrangement of an I-steel Cantilever Beams is simultaneously hung down with pedestal steel plate
Directly weld together, the web vertical arrangement of another I-steel Cantilever Beams is simultaneously welded with the horizontal Oblique 45 Degree of another pedestal steel plate
It is fitted together；One end with brace link bolt hole is towards wall outer side on the above-mentioned middle I-steel Cantilever Beams that are welded；
Step 3: passing through through-wall bolt A in the pre-buried PVC sleeve A on building n-th layer shear wall or collar tie beam for two blocks of pedestal steel
Plate is anchored on wall, fastens a circular bolt holes and a kidney-shaped bolt hole at this time；It is wherein vertical with pedestal steel plate to be welded
I-steel Cantilever Beams be mounted on the front of construction wall, another I-steel Cantilever Beams be mounted at construction wall external corner and with
The front installation at 45 ° of construction wall；
Step 4: passing through through-wall bolt B in building the pre-buried PVC casing B on the (n+1)th layer main body periphery concrete shear wall or collar tie beam
Three braces are connected wall base to be anchored on wall, since brace connects wall base are connected using single through-wall bolt B at this time
It connects, brace connects wall base and needed that oblique power taking can be rotated along metope according to actual installation；One of brace connects wall base and
The I-steel Cantilever Beams being vertically welded in two steps are corresponding, n corresponding with the oblique 45 ° I-steel Cantilever Beams being welded in second step
Two braces of+1 layer of upper corresponding installation connect wall base；
Step 5: installation oblique pull bar assembly: at this time first according to practice of construction it needs to be determined that being installed on same root I-steel Cantilever Beams
The quantity of brace；Determine brace quantity and then respectively by oblique on same processes two I-steel Cantilever Beams of installation
Rod assembly: threaded rod upper end is first connected into wall base hinge with brace and is fitted together, then brace and threaded rod screw thread are screwed；So
The web two sides at brace link bolt hole selected on I-steel Cantilever Beams afterwards respectively fill a power transmission auxiliary, under brace
The plane force block at end is aligned with power transmission auxiliary, then brace is tightened together with I-steel Cantilever Beams by bolt；
Step 6: installation I-steel coupling beam: I-steel coupling beam being placed on two I-steel Cantilever Beams, coupling beam card is then passed through
I-steel coupling beam and I-steel Cantilever Beams are fastened by assembling device, and the binding of coupling beam fastening and loading device is by following operation: first will card
Plate, T-bar A and T-bar B are installed on the I-steel Cantilever Beams on the inside of I-steel coupling beam, then will bundle wirerope certainly
Circular ring structure sets out I-steel coupling beam and I-shaped around I-steel coupling beam and I-steel Cantilever Beams and eventually by hook arrangement
Steel Cantilever Beams tie up fastening, and bundle lateral ends winding at least one circle of the wirerope around I-steel Cantilever Beams；
Step 7: after the binding fastening of I-steel coupling beam, the peace separated by a distance on I-steel Cantilever Beams and I-steel coupling beam
Scaffold upright rod positioning device is filled, then scaffold upright rod is set on upright bar positioning bolt, pacifies finally by scaffold upright rod
Fill scaffold frame body.
5. a kind of installation method of full fabricated scaffold overhanging according to claim 4, it is characterised in that: I-steel is outstanding
The acute angle formed between outrigger and the brace installed thereon is greater than 45 °.
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| CN109736556A (en) * | 2019-01-24 | 2019-05-10 | 广西建工集团建筑工程总承包有限公司 | A kind of girder steel Overhanging Outside Scaffold and its construction method of installation |
| CN109774885B (en) * | 2019-02-27 | 2020-02-04 | 太平洋海洋工程（舟山）有限公司 | A fast loading and unloading scaffold device for FSRU |
| CN111364756A (en) * | 2020-03-23 | 2020-07-03 | 北京市建筑工程研究院有限责任公司 | Support type creeping formwork adhesion device |
| CN111472530A (en) * | 2020-05-18 | 2020-07-31 | 威海建设集团股份有限公司 | Flower basket pull rod I-shaped steel cantilever bearing frame for constructional engineering and mounting method thereof |
| CN113417447A (en) * | 2021-08-02 | 2021-09-21 | 江苏城乡建设职业学院 | Assembled inclined-pulling type overhanging scaffold |
| CN114278070A (en) * | 2021-12-22 | 2022-04-05 | 上海建工五建集团有限公司 | Cantilever beam positioning device and using method thereof |
| CN114790818B (en) * | 2022-06-07 | 2024-04-23 | 中冶建工集团有限公司 | Diagonal bracing transition method for accelerating erection of overhanging scaffold |
| CN115653279B (en) * | 2022-11-08 | 2023-09-22 | 广东水电二局股份有限公司 | Externally anchored steel overhanging scaffold and installation method |
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