CN107035037A - High building top layer curtain wall frame and its installation method - Google Patents

High building top layer curtain wall frame and its installation method Download PDF

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Publication number
CN107035037A
CN107035037A CN201710453440.6A CN201710453440A CN107035037A CN 107035037 A CN107035037 A CN 107035037A CN 201710453440 A CN201710453440 A CN 201710453440A CN 107035037 A CN107035037 A CN 107035037A
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CN
China
Prior art keywords
steel
curtain
roofing
steel truss
building
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Application number
CN201710453440.6A
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Chinese (zh)
Inventor
张顺友
陈海荣
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China Metallurgical Construction Engineering Group Co Ltd
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China Metallurgical Construction Engineering Group Co Ltd
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Publication date
Application filed by China Metallurgical Construction Engineering Group Co Ltd filed Critical China Metallurgical Construction Engineering Group Co Ltd
Priority to CN201710453440.6A priority Critical patent/CN107035037A/en
Publication of CN107035037A publication Critical patent/CN107035037A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19Three-dimensional framework structures
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/88Curtain walls
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F19/00Other details of constructional parts for finishing work on buildings
    • E04F19/02Borders; Finishing strips, e.g. beadings; Light coves
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14Conveying or assembling building elements
    • E04G21/16Tools or apparatus
    • E04G21/162Handles to carry construction blocks

Abstract

The invention discloses a kind of high building top layer curtain wall frame and its installation method, curtain wall frame includes roofing steel truss, EPS mouldings suspension holdfast and curtain wall suspension holdfast, and the roofing steel truss is close to parapet and length direction parallel to parapet;The EPS mouldings suspension holdfast includes the parallel to each other three group EPS mouldings suspension crossbeam set from top to bottom, three EPS mouldings that every group of EPS moulding is hung in the U-shaped that crossbeam connects for three and in head and the tail, every group hang front side, left side and right side of the crossbeam respectively with roofing steel truss top and fixed;The curtain wall suspension holdfast is arranged on front side of roofing steel truss and below EPS mouldings suspension holdfast, and curtain wall suspension holdfast is set along parapet and front portion exceeds parapet outer wall.This curtain wall frame intensity is high, and stability is good, aesthetic in appearance, is easy to curtain wall to install and later maintenance;This installation method solves high building top layer curtain wall frame under lifting condition constrained environment and installs problem.

Description

High building top layer curtain wall frame and its installation method
Technical field
The present invention relates to technical field of building construction, a kind of high building top layer curtain wall frame and its installation method are specifically related to.
Background technology
Curtain wall is the exterior wall enclosure of building, and not load-bearing is hung up as curtain, therefore is modern also known as " curtain wall " The Light Wall with decorative effect that large-scale and skyscraper is commonly used.Curtain wall is made up of panel and support system, can There is certain displacement ability with respect to agent structure or itself have certain deformability, do not undertake the building external that agent structure is acted on Protection structure or decorative structure(Exterior wall frame formula support system is also one kind of Curtain Wall).
After the completion of high building main structure construction, it is basically completed in high building alien invasion lower area curtain wall, construction and is applied tower crane In the case that work elevator has been removed, remaining structural steelwork can not be using former tower crane lifting, and component also can not be using construction electricity Ladder is vertically transported.Now the curtain wall at the top of high building needs down to install from top, when constructing curtain wall, it is necessary on high building top Portion sets hanging basket support to fix hanging basket, and hanging basket is by steel wire hang on hanging basket support, and hanging basket can be carried out with job requirements Lifting, hanging basket support answers Simple And Practical, mostly according to engineering characteristic designed, designed.Parapet is attached at the top of high building in the prior art Need to set curtain wall frame at the top of high building during nearly secured curtain wall, existing many curtain wall framves exist low intensity, it is fixed built on the sand, profile Not attractive in appearance enough the problem of;Need to set Special hanging basket support to aid in installing curtain wall herein when curtain wall frame is installed at the top of high building, Existing hanging basket support is limited by the field when installing, and mostly occur the situation for being not easy to install, existing after curtain wall construction is finished Some hanging basket supports need all to remove, and need to set up hanging basket support again during later maintenance, safeguard inconvenience.
The content of the invention
For deficiencies of the prior art, it is an object of the invention to propose a kind of high building top layer curtain wall frame and its Installation method, this curtain wall frame intensity is high, and stability is good, aesthetic in appearance, is easy to curtain wall to install and later maintenance, this installation method is just Installed in curtain wall frame at the top of high building.
To achieve the above object, the technical solution adopted by the present invention is as follows:
In a first aspect, a kind of high building top layer curtain wall frame, including roofing steel truss, EPS mouldings suspension holdfast and curtain wall suspension Support;The roofing steel truss is close to parapet and length direction parallel to parapet;Roofing steel truss is rectangular parallelepiped structure, room Face steel truss includes column, horizon bar and diagonal web member, and the column is arranged with two rows in parallel along parapet trend, often arranges column number Measure two column spacing equal and often adjacent in row's column equal, the four root posts composition roofing steel truss positioned at two row's column two ends Four vertical edges of frame;The column lower end is fixedly connected with roofing, and the horizon bar includes first level bar and the second horizon bar, Before and after the first level bar is arranged on roofing steel truss along roofing steel truss length direction between two adjacent columns of two sides and Some are evenly arranged with from top to bottom between two adjacent columns;Second horizon bar is along roofing steel truss width It is arranged between two adjacent columns and is respectively positioned on roofing steel truss upper end;The diagonal web member is set along roofing steel truss width Put between two adjacent columns and be evenly arranged with some from top to bottom between two adjacent columns and be respectively positioned on second Below horizon bar, two adjacent diagonal web members constitute V-shaped, the V between two adjacent columns of roofing steel truss fore-and-aft direction Font opening direction is the fore-and-aft direction of roofing steel truss;The EPS mouldings suspension holdfast is hung including EPS mouldings Crossbeam, the EPS mouldings suspension crossbeam is set to parallel to each other three groups, every group of EPS mouldings suspension from top to bottom Crossbeam is three and in the U-shaped of head and the tail connection, three EPS mouldings suspension crossbeam in every group respectively with roofing steel truss Front side, left side and the right side on top are fixed;The curtain wall suspension holdfast is arranged on front side of roofing steel truss and positioned at EPS decorative threads Below bar suspension holdfast, curtain wall suspension holdfast is set and anterior beyond parapet outer wall along parapet.
Roofing steel truss in this support is welded using a variety of shaped steel combinations, high with intensity, good excellent of stability EPS mouldings are fixed on point, front side, left side and the right side on roofing steel truss top, and monnolithic case is elegant in appearance, are installed and are overhauled During curtain wall, supporting construction is set as the support member of suspension rod, peace above the second horizon bar along roofing steel truss length direction Dress and maintenance are all more convenient.
Further, EPS mouldings suspension holdfast of the present invention also includes the 3rd horizon bar, every EPS decorative thread Article suspension crossbeam fixed by the 3rd horizon bar and roofing steel truss;Every EPS mouldings suspension crossbeam and roofing steel truss Erect the corresponding place of post and be provided with the 3rd horizon bar, every 3rd horizontal rod rear end is fixed with column and front end is filled with EPS Ornamental thread bar suspension crossbeam is fixed.
Further, curtain wall suspension holdfast of the present invention includes the 4th horizon bar and curtain wall suspension crossbeam, the 4th level The quantity of bar is identical with the quantity of often row's central post and corresponds, and every 4th horizon bar is set along roofing steel truss fore-and-aft direction Put, the column of the 4th horizontal rod rear end and correspondence position is fixed, the diagonal brace of reinforcement structure be provided with the downside of every 4th horizon bar, The diagonal brace upper end is fixed with fixed and lower end in the middle part of corresponding 4th horizon bar with corresponding column;The curtain wall hangs crossbeam Fixed parallel to roofing steel truss length direction and with all 4th horizon bar front ends.
Further, column of the present invention uses H profile steel.
Further, first level bar of the present invention uses steel pipe.
Further, diagonal web member of the present invention, the second horizon bar, the 3rd horizon bar, the 4th horizon bar, EPS decorative threads Bar hangs crossbeam and curtain wall suspension crossbeam uses channel-section steel.
A kind of second aspect, high building top layer curtain wall frame installation method, comprises the following steps:
Step one:Material prepares;Make when factory produces each section of steel member of curtain wall frame and divide according to the size of drawing and technological requirement Section setting-out makes and numbered, and the steel member after segmentation is no more than 2.2m per segment length;Reserved during setting-out welding contracted quantity and cutting, The allowance of the needs such as facing cut, wherein misplacing to avoid all sections all in an absolute altitude above and below different column segmentation sections On to increase Column stability.Each steel member length direction is reserved wrong above and below 30 ~ 50mm surplus, different columns segmentation sections need Position 200mm.High building is higher(High about 100m), structural steelwork is respectively positioned on roof area, because high building agent structure has been completed, High building alien invasion bottom business podium region curtain wall is basically completed, construction tower crane and construction elevator removed, each steel member without Method also can not vertically be transported using former tower crane lifting using construction elevator, therefore difficulty of construction is larger, it is impossible to using normal Rule scheme is constructed, and according to scene and engineering characteristic, is limited by on-site hoisting condition, and steel construction is live using factory's sectional making is made Splicing, is vertically transported using the indoor elevator run, the elevator that every section of component has been run using being manually transported to, according to electricity The height limitation of ladder, steel member is no more than 2.2m per segment length.
Step 2:Steel member from ground to high building top layer roofing at vertically transport;Every section of steel member, which is used, to be manually transported to At the indoor elevator of operation, transported using the indoor elevator run at the uppermost storey that can be reached to elevator, recycle people Labour movement is to high building top layer roofing.
Step 3:Steel member is transported in high building top layer roofing level;According to steel member numbering with two flatcars by each steel structure Part is transported near corresponding installation site, and the channel-section steel of opening upwards is provided with below flatcar as track, the wheel position of flatcar The simultaneously orbiting in the open slot of track.Before transhipment, age phase, bearing capacity to high building top layer roof structure floor are carried out Confirm, can be transported when age phase of high building top layer roof structure floor and bearing capacity, which are met, to be required;Construction transhipment passage passes through All regions, if high building top layer roofing has been constructed when finishing, it is necessary to take the safeguard measure to high building top layer roofing, prohibit Only in dragging on the ground finished of having constructed, therefore, the contact surface of wheel and high building top layer roofing can be increased using groove steel rail Product, prevents from damaging high building top layer roofing.
Step 4:Lantern stand is installed;Lantern stand top is provided with two sets of chain blocks, and bottom is provided with universal wheel;Construction During, heavier steel member needs to lift by crane shift position with lantern stand.Each component of lantern stand is bolted and by room Interior elevator traffic is to installing roofing;Lantern stand respectively installs a cable wind rope per side, it is ensured that the stabilization of lantern stand during lifting steel member, Cable wind rope upper end is attached with lantern stand using otic placode, and lower end can be connected with concrete roof using chemical anchor bolts.Lantern stand Four suspension columns are provided with universal wheel and universal wheel latch-up structure, use the steel member maximum weight that lantern stand is lifted for 1t or so.By It is located in lantern stand in roof eminence, work progress, lantern stand is needed to promote conversion position, and for safety, additional suspension column is matched somebody with somebody Weight, makes the counterweight strength of whole lantern stand rearmounted, is uniformly distributed to lift weight during steel member, prevents from toppling.
Step 5:Steel member group to, splicing and weld;Each steel member loose mail of curtain wall frame is transported to after installation site, advanced Row group pair, curtain wall frame width(It is front and rear to set)The second horizon bar between adjacent two root posts and two root posts and tiltedly Web member is one group and constitutes a Pin steel truss, constitutes each steel member group of a Pin steel truss and uses two self-control flatcars to be used as spelling to rear Connect and jig, mobile heavier steel member is lifted using the chain block of lantern stand during splicing.Seaming position Local uniqueness Be adjusted by jack and flower basket bolt, jig is measured with spirit level and theodolite, precision controlling 3mm with It is interior;Each steel member pulls the position line of each node, each node reserves 1mm ~ 2mm welding contracted quantity first during group pair.
Step 6:Steel member is lifted;Each steel member group of one Pin steel truss to, splicing and welding after the completion of, with lantern stand will One Pin steel truss integrally moves on to the surface of position to be installed, and lifting installation is carried out by the chain block set on lantern stand, The lower end of the column of one Pin steel truss two is connected with tube chamber welds with base respectively.When lifting steel truss, using 2 2t chain blocks simultaneously A Pin steel truss is lifted, when completely erected to a Pin steel truss, a Pin steel truss and lantern stand are fixed together.Due to one It is the placement that lies low before the lifting of Pin steel truss, a Pin steel truss needs chain block hoisting and overturning when lifting, and a Pin steel truss, which is hung, to be stood Cheng Zhong, frictional force immediately is hung by the mobile reduction of flatcar.When installing a Pin steel truss, lantern stand surrounding respectively unclamps one section of cable Wind rope(It is careful not to relieving completely), then slowly move directly over lantern stand to installation site, loosening 2t chain blocks makes two Column lower end is in place, after two column lower ends are in place, first firm with spot welding between column lower end and base, then symmetrical progress surrounding Welding, welding fixes the both sides of a Pin steel truss using cable wind rope after finishing, be finally totally released chain block, carries out next Pin steel truss is installed.
Step 7:First level bar, EPS mouldings suspension crossbeam and curtain wall suspension crossbeam are installed, paint is brushed after correction.
Step 8:Hanging basket is installed and using curtain wall at the top of nacelle construction high building.
Step 9:Before roofing steel truss top, the left side and the right side EPS lines are installed.
Step 10:Remove hanging basket.
Compared with prior art, the beneficial effects are mainly as follows:
1st, the roofing steel truss in this curtain wall frame is welded using a variety of shaped steel combinations, high with intensity, good excellent of stability EPS mouldings are fixed on point, front side, left side and the right side on roofing steel truss top, and monnolithic case is elegant in appearance;In this curtain wall frame Do not remove and be continuing with as curtain wall frame after being used as the roofing steel truss of agent structure, roofing can be utilized during later maintenance Steel truss, convenient later maintenance;
2nd, curtain wall suspension holdfast be fixed on roofing steel truss it is strong on, Stability Analysis of Structures is convenient for installation and maintenance;
3rd, this construction method solves the large-scale curtain wall frame of high building top layer using limited equipment on the premise of roofing is not destroyed and applied Work problem.
Brief description of the drawings
Fig. 1 is a kind of high building top layer curtain wall frame structural representation of the embodiment of the present invention;
Fig. 2 is Fig. 1 top view;
Fig. 3 is flatcar structural representation;
Fig. 4 is Fig. 3 top view;
Fig. 5 is a Pin steel truss decomposition texture schematic diagrams;
Fig. 6 is structural representation when lantern stand lifts a Pin steel truss;
Fig. 7 is Fig. 6 left view.
In accompanying drawing, 1- roofing steel truss;2-EPS moulding suspension holdfasts;3- curtain wall suspension holdfasts;4- curtain walls;5- rooms Face;6- parapets;7-EPS mouldings;8- flatcars;9- lantern stands;
11- columns;12- first level bars;The horizon bars of 13- second;14- diagonal web members;21-EPS mouldings hang crossbeam;22- 3rd horizon bar;31- curtain walls hang crossbeam;The horizon bars of 32- the 4th;33- diagonal braces;51- bases;81- joists;82- tie-beams; 83- wheels;91- cable wind ropes;92- counterweights;93- chain blocks;The Pin steel truss of 94- mono-.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
As depicted in figs. 1 and 2, a kind of high building top layer curtain wall frame of the present embodiment, including roofing steel truss 1, EPS decorative threads Bar suspension holdfast 2 and curtain wall suspension holdfast 3;The roofing steel truss 1 is close to parapet 6 and length direction parallel to parapet 6 Set.
In the present embodiment, parapet trend is the length direction of roofing steel truss 1, and fore-and-aft direction is the width of roofing steel truss 1 Direction, roofing steel truss 1 is front just to the side of parapet 6.
As depicted in figs. 1 and 2, roofing steel truss 1 is rectangular parallelepiped structure, and roofing steel truss 1 includes column 11, first level Bar 12, the second horizon bar 13 and diagonal web member 14, the column 11 are arranged with two rows in parallel along the trend of parapet 6, often arrange column 11 Quantity is equal and often the adjacent spacing of two column 11 is equal in row's column 11, the structure of four root post 11 positioned at the two ends of two row's column 11 Into four vertical edges of roofing steel truss 1;The lower end of column 11 is fixedly connected with roofing 5, and the first level bar 12 is along roofing The length direction of steel truss 1 is arranged between two adjacent columns 11 of two sides before and after roofing steel truss 1 and in two adjacent columns 11 Between be evenly arranged with some from top to bottom;Second horizon bar 13 is arranged on adjacent along the width of roofing steel truss 1 Two columns 11 between and be respectively positioned on the upper end of roofing steel truss 1;The diagonal web member 14 is arranged on along the width of roofing steel truss 1 Some are evenly arranged between two adjacent columns 11 and from top to bottom between two adjacent columns 11 and be respectively positioned on second Two adjacent diagonal web members 14 constitute V words between the lower section of horizon bar 13, two adjacent columns 11 of the fore-and-aft direction of roofing steel truss 1 Shape, the v-shaped openings direction is the fore-and-aft direction of roofing steel truss 1.
As depicted in figs. 1 and 2, EPS mouldings suspension holdfast 2 includes the EPS mouldings suspension water of crossbeam 21 and the 3rd Flat bar 22, the EPS mouldings suspension crossbeam 21 is set to parallel to each other three groups, every group of EPS moulding from top to bottom It is three and the U-shaped connected in head and the tail to hang crossbeam 21;Three EPS mouldings suspension crossbeam 21 in every group is by the Front side, left side and right side of three horizon bars 22 respectively with the top of roofing steel truss 1 are fixed.Specifically, every EPS moulding hangs Crossbeam 21 is hung to be provided with after the 3rd horizon bar 22, every 3rd horizon bar 22 with the corresponding place of 1 column of roofing steel truss 11 End is fixed with column 11 and front end is fixed with EPS mouldings suspension crossbeam 21.
As depicted in figs. 1 and 2, curtain wall suspension holdfast 3 is arranged at the front side of roofing steel truss 1 and hanged positioned at EPS mouldings The lower section of hanging bracket 2, curtain wall suspension holdfast 3 is set and anterior beyond the outer wall of parapet 6 along parapet 6.Curtain wall suspension holdfast 3 includes 4th horizon bar 32 and curtain wall suspension crossbeam 31, the quantity of the 4th horizon bar 32 are identical and one by one with the quantity for often arranging central post 11 Correspondence, every 4th horizon bar 32 is set along the fore-and-aft direction of roofing steel truss 1, the rear end of the 4th horizon bar 32 and correspondence position it is vertical Post 11 is fixed, and the downside of every 4th horizon bar 32 is provided with the diagonal brace 33 of reinforcement structure, the upper end of diagonal brace 33 and corresponding the The middle part of four horizon bar 32 is fixed and lower end is fixed with corresponding column 11;The curtain wall hangs crossbeam 31 parallel to roofing steel truss 1 length direction and fixed with all front ends of 4th horizon bar 32.
As depicted in figs. 1 and 2, the column 11 in the present embodiment uses H profile steel, and first level bar 12 uses steel pipe, oblique abdomen Bar 14, the second horizon bar 13, the 3rd horizon bar 22, the 4th horizon bar 32, EPS mouldings suspension crossbeam 21 and curtain wall suspension are horizontal Beam 31 uses channel-section steel.The lower end of column 11 is connected with tube chamber welds with base, and the roofing steel truss 1 in this support uses a variety of shaped steel combinations It is welded, EPS dresses are fixed on, stability good advantage high with intensity, front side, left side and the right side on the top of roofing steel truss 1 Ornamental thread bar 7, monnolithic case is elegant in appearance, when installing with later maintenance curtain wall, along the length direction of roofing steel truss 1 in the second level The top of bar 13 sets supporting construction as the support member of suspension rod, installs and later maintenance is all more convenient.
As shown in Figures 1 to 7, a kind of high building top layer curtain wall frame installation method, comprises the following steps:
Step S1:Material prepares, and makes when factory produces each section of steel member of curtain wall frame and divides according to the size of drawing and technological requirement Section setting-out makes and numbered, and the steel member after segmentation is no more than 2.2m per segment length;Reserved during setting-out welding contracted quantity and cutting, The allowance of the needs such as facing cut, wherein misplacing 200mm to avoid all sections from all existing above and below the different segmentation of column 11 sections To increase the stability of column 11 on one absolute altitude.Each steel member length direction reserves 30 ~ 50mm surplus.High building is higher(It is high about 100m), structural steelwork is respectively positioned on roof area, because high building agent structure has been completed, high building alien invasion lower area curtain Wall is basically completed, and construction tower crane and construction elevator have been removed, and each steel member can not can not also be used and be applied using former tower crane lifting Work elevator is vertically transported, therefore difficulty of construction is larger, it is impossible to special according to scene and engineering using conventional scheme construction Point, is limited by on-site hoisting condition, and steel construction is entered using the scene splicing of factory's sectional making is made using the indoor elevator run The vertical transport of row, the elevator that every section of component has been run using being manually transported to, according to the height limitation of elevator, steel member is per segment length No more than 2.2m.
Step S2:Steel member from ground to garret at vertically transport.Every section of steel member, which is used, is manually transported to what is run At indoor elevator, transported using the indoor elevator run at the uppermost storey that can be reached to elevator, recycling is manually transported to Construction roofing.
Step S3:Steel member is transported in high building top layer roofing level;According to steel member numbering with two flatcars 8 by each steel structure Part is transported near corresponding installation site, and flatcar 8 includes being arranged on two joists 81 of the right and left, two joists 81 it is interior Side is connected by some tie-beams 82 being uniformly arranged from front to back, and the downside of every joist 81 is provided with two along the longitudinal direction Individual wheel 83.The lower section of flatcar 8 is provided with the 16a channel-section steels of opening upwards as track, and the wheel of flatcar 8 is located at the open slot of track In and orbiting;Before transhipment, age phase, bearing capacity to high building top layer roof structure floor confirm, when high building top Age phase of layer roof structure floor and bearing capacity meet and can transported when requiring;All regions that construction transhipment passage passes through, such as Fruit high building top layer roofing has been constructed when finishing, it is necessary to is taken the safeguard measure to high building top layer roofing, is forbidden constructing Pulled on complete ground, therefore, the contact area of wheel and high building top layer roofing can be increased using groove steel rail, prevent from damaging tower Roof layer roofing.
Step S4:Lantern stand 9 is installed;As shown in Figure 6 and Figure 7, the top of lantern stand 9 is provided with two sets of chain blocks 93, bottom Portion is provided with universal wheel;In work progress, heavier steel member needs to lift by crane shift position with lantern stand 9.Each component of lantern stand 9 Transport to installation roofing and be bolted by indoor elevator in advance;Lantern stand 9 respectively installs a cable wind rope 91 per side, protects The stabilization of lantern stand 9 during card lifting steel member.Cable wind rope 91 is using Φ 12 steel wire rope, and upper end is entered with lantern stand 9 using otic placode Row connection, lower end can be connected with concrete roof 5 in the form of 4 rearmounted chemical anchor bolts of Φ 12.The suspension column of lantern stand 9 four is set There are universal wheel and universal wheel latch-up structure, use the steel member maximum weight that lantern stand 9 is lifted for 1t or so.Due to lantern stand 9 In roof eminence, work progress, lantern stand 9 needs to promote conversion position.For safety, additional suspension column counterweight 92, first The 200 kg counterweights 92 uniformly piled in each suspension column surrounding, then the 200 kg counterweights 92 of each increase at latter two suspension column, put When putting counterweight 92, answer first four suspension columns uniform while symmetrically carrying out the cause 200kg that increases weight, then symmetrically increased simultaneously in rear two post Cause 400kg.Make the strength of counterweight 92 of whole lantern stand rearmounted, be uniformly distributed to lift weight during steel member, prevent from toppling.
Step S5:Curtain wall frame steel member group to, splicing and weld;Each steel member loose mail of curtain wall frame is transported to installation site Afterwards, first it is grouped, curtain wall frame width(It is front and rear to set)Between adjacent two root posts 11 and two root posts 11 Two horizon bars 13 and diagonal web member 14 are one group and one Pin steel truss of composition(As shown in Figure 5).As shown in Figure 3 and Figure 4, a Pin is constituted Each steel member group of steel truss is spliced and jig to rear be used as using two self-control flatcars 8, using the hand of lantern stand 9 during splicing Draw the mobile heavier steel member of the lifting of cucurbit 93.Seaming position Local uniqueness is adjusted by jack and flower basket bolt, weldering Connect flat bench level and theodolite is measured, precision controlling is within 3mm;Each steel member pulls each section first during group pair The position line of point, each node reserves 1mm ~ 2mm welding contracted quantity.H profile steel(Column 11)Stitching portion is added using 2 pieces of 8mm thickness Strong plate is strengthened folder at web;Channel-section steel(Diagonal web member 14, the second horizon bar 13, the 3rd horizon bar 22, the 4th horizon bar 32, EPS Moulding hangs crossbeam 21 and curtain wall suspension crossbeam 31)Strengthened using the thick reinforcing plates of 1 piece of 8mm at web stitching portion.
Step S6:Steel member is lifted;Each steel member group of one Pin steel truss to, splicing and welding after the completion of, with lantern stand 9 One Pin steel truss is integrally moved on to the surface of position to be installed, lifted by crane by the chain block 93 set on lantern stand 9 Install, the lower end of the column 11 of a Pin steel truss two is welded to connect with base 51 respectively.As shown in Figure 6 and Figure 7, steel truss is lifted When, a Pin steel truss 94 is lifted simultaneously using 2 2t chain blocks, when completely erected to a Pin steel truss 94, by a Pin steel Truss 94 and lantern stand 9 are fixed together.It is the placement that lies low before being lifted due to a Pin steel truss 94, when a Pin steel truss 94 is lifted Need the hoisting and overturning of chain block 93, a Pin steel truss 94 hang it is vertical during, friction immediately is hung by the mobile reduction of flatcar 8 Power.When installing a Pin steel truss, the surrounding of lantern stand 9 respectively unclamps one section of cable wind rope 91(It is careful not to relieving completely), then slowly Directly over the mobile installation site of the Pin of lantern stand 9 to one steel truss 94, loosening 2t chain blocks makes a Pin steel truss 94 in place, treats one It is first firm with spot welding between the lower end of column 11 and base after the two ends of Pin steel truss 94 are in place, then symmetrical progress surrounding welding, welding The both sides of a Pin steel truss 94 are fixed after finishing using cable wind rope, chain block is finally totally released, next Pin steel truss is carried out Frame is installed.
Step S7:First level bar 12, EPS mouldings suspension crossbeam 21 and curtain wall suspension crossbeam 31 are installed, after correction Brush paint.First level bar 12 connects adjacent two root posts 11 along the length direction of roofing steel truss 1.
Step S8:Hanging basket is installed and using curtain wall at the top of nacelle construction high building.
Step S9:Before roofing steel truss top, the left side and the right side EPS lines 7 are installed.
Step S10:Remove hanging basket.
The curtain wall frame has intensity high, and stability is good, aesthetic in appearance, is easy to the advantages of curtain wall installation and later maintenance.
It is last it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although Shen Ask someone that the present invention is described in detail with reference to preferred embodiment, it will be understood by those within the art that, to this hair Bright technical scheme is modified or equivalent substitution, without departing from the objective and scope of the technical program, all should be covered at this Among the right of invention.

Claims (7)

1. a kind of high building top layer curtain wall frame, it is characterised in that:Including roofing steel truss, EPS mouldings suspension holdfast and curtain wall Suspension holdfast;
The roofing steel truss is close to parapet and length direction parallel to parapet;Roofing steel truss is rectangular parallelepiped structure, room Face steel truss includes column, horizon bar and diagonal web member, and the column is arranged with two rows in parallel along parapet trend, often arranges column number Measure two column spacing equal and often adjacent in row's column equal, the four root posts composition roofing steel truss positioned at two row's column two ends Four vertical edges of frame;The column lower end is fixedly connected with roofing, and the horizon bar includes first level bar and the second horizon bar, Before and after the first level bar is arranged on roofing steel truss along roofing steel truss length direction between two adjacent columns of two sides and Some are evenly arranged with from top to bottom between two adjacent columns;Second horizon bar is along roofing steel truss width It is arranged between two adjacent columns and is respectively positioned on roofing steel truss upper end;The diagonal web member is set along roofing steel truss width Put between two adjacent columns and be evenly arranged with some from top to bottom between two adjacent columns and be respectively positioned on second Below horizon bar, two adjacent diagonal web members constitute V-shaped, the V between two adjacent columns of roofing steel truss fore-and-aft direction Font opening direction is the fore-and-aft direction of roofing steel truss;
The EPS mouldings suspension holdfast includes EPS mouldings and hangs crossbeam, the EPS mouldings hang crossbeam from On be down set to parallel to each other three groups, every group of EPS mouldings suspension crossbeam is three and in the U-shaped of head and the tail connection, Front side, left side and right side of three EPS mouldings suspension crossbeam respectively with roofing steel truss top in every group is fixed;
The curtain wall suspension holdfast is arranged on front side of roofing steel truss and below EPS mouldings suspension holdfast, curtain wall suspended Hanging bracket is set and anterior beyond parapet outer wall along parapet.
2. high building top layer curtain wall frame according to claim 1, it is characterised in that:The EPS mouldings suspension holdfast is also Including the 3rd horizon bar, every EPS mouldings suspension crossbeam is fixed by the 3rd horizon bar and roofing steel truss;Every EPS mouldings suspension crossbeam place corresponding with roofing steel truss column is provided with the 3rd horizon bar, every 3rd level Rod rear end is fixed with column and front end is fixed with EPS mouldings suspension crossbeam.
3. high building top layer curtain wall frame according to claim 1 or 2, it is characterised in that:The curtain wall suspension holdfast includes the Four horizon bars and curtain wall suspension crossbeam, the quantity of the 4th horizon bar is identical with the quantity of often row's central post and corresponds, every 4th horizon bar is set along roofing steel truss fore-and-aft direction, and the column of the 4th horizontal rod rear end and correspondence position fixes, every the The diagonal brace of reinforcement structure, the diagonal brace upper end and fixed and lower end in the middle part of corresponding 4th horizon bar are provided with the downside of four horizon bars Fixed with corresponding column;The curtain wall hang crossbeam parallel to roofing steel truss length direction and with before all 4th horizon bars End is fixed.
4. high building top layer curtain wall frame according to claim 1, it is characterised in that:The column uses H profile steel.
5. high building top layer curtain wall frame according to claim 1, it is characterised in that:The first level bar uses steel pipe.
6. high building top layer curtain wall frame according to claim 3, it is characterised in that:The diagonal web member, the second horizon bar, the 3rd Horizon bar, the 4th horizon bar, EPS mouldings suspension crossbeam and curtain wall suspension crossbeam use channel-section steel.
7. a kind of high building top layer curtain wall frame installation method, for installing the high building top layer curtain wall described in any one of claim 1 ~ 6 Frame, comprises the following steps:
Step one:Material prepares;Make when factory produces each section of steel member of curtain wall frame and divide according to the size of drawing and technological requirement Section setting-out makes and numbered, and the steel member after segmentation is no more than 2.2m per segment length;Reserved during setting-out welding contracted quantity and cutting, The allowance of the needs such as facing cut, wherein misplacing to avoid all sections all in an absolute altitude above and below different column segmentation sections On to increase Column stability;
Step 2:Steel member from ground to high building top layer roofing at vertically transport;Every section of steel member has been run using artificial be transported to Indoor elevator at, transported using the indoor elevator run at the uppermost storey that can be reached to elevator, recycle people's labour movement To high building top layer roofing;
Step 3:Steel member is transported in high building top layer roofing level;Each steel member is turned with two flatcars according to steel member numbering Transport near corresponding installation site, the channel-section steel of opening upwards is provided with below flatcar as track, the wheel of flatcar is located at rail Simultaneously orbiting in the open slot in road;
Step 4:Lantern stand is installed;Lantern stand top is provided with two sets of chain blocks, and bottom is provided with universal wheel, work progress In, heavier steel member needs to lift by crane shift position with lantern stand;
Step 5:Steel member group to, splicing and weld;Each steel member loose mail is transported to after installation site, is first grouped, curtain wall The second horizon bar and diagonal web member between the adjacent two root posts of frame width and two root posts are one group and one Pin of composition Steel truss, constitutes each steel member group of a Pin steel truss and uses two self-control flatcars as splicing and jig to rear, during splicing Using the mobile heavier steel member of chain block lifting of lantern stand;
Step 6:Steel member is lifted;After the completion of each steel member group of one Pin steel truss is to, splicing and welding, with lantern stand by a Pin Steel truss integrally moves on to the surface of position to be installed, is installed by the chain block set on lantern stand, by a Pin steel The lower end of the column of truss two is connected with tube chamber welds with base respectively;
Step 7:First level bar, EPS mouldings suspension crossbeam and curtain wall suspension crossbeam are installed, paint is brushed after correction;
Step 8:Hanging basket is installed and using curtain wall at the top of nacelle construction high building;
Step 9:Before roofing steel truss top, the left side and the right side EPS lines are installed;
Step 10:Remove hanging basket.
CN201710453440.6A 2017-06-15 2017-06-15 High building top layer curtain wall frame and its installation method Pending CN107035037A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113059327A (en) * 2021-04-07 2021-07-02 镇江金豪路桥配套工程有限公司 Production process of Bailey sheet for assembled Bailey steel bridge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113059327A (en) * 2021-04-07 2021-07-02 镇江金豪路桥配套工程有限公司 Production process of Bailey sheet for assembled Bailey steel bridge

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