CN107816209A - The large-scale Roof Truss construction technology of installation is lifted across outer both sides - Google Patents
The large-scale Roof Truss construction technology of installation is lifted across outer both sides Download PDFInfo
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- CN107816209A CN107816209A CN201711097510.5A CN201711097510A CN107816209A CN 107816209 A CN107816209 A CN 107816209A CN 201711097510 A CN201711097510 A CN 201711097510A CN 107816209 A CN107816209 A CN 107816209A
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- support frame
- main couple
- interim
- column
- twin columns
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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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
- E04G21/185—Means for positioning building parts or elements for anchoring elements or elements to be incorporated in the structure
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- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses the large-scale Roof Truss construction technology of installation is lifted across outer both sides, comprise the following steps：A, preparation of construction；B, main couple lifting installation preparation；C, main couple ground spelling；D, main couple is across circulation lifting is installed step by step outside；E, jack truss is installed according to main couple installation site.The present invention in work progress, stand and lifted across outer close Steel Space Truss both ends by crane gear, considerably reduces the lifting rated capacity requirement of crane gear, improves the service efficiency of crane gear；Covered court need not be used, Steel Space Truss assembled in situ is avoided and builds to exist with other professional workers of bottom and intersect the conflict implemented；Scaffold, bearing supporting frame need not be set up；It is particularly suitable for bearing is curved and irregularly arranges spatial steel structure assembly construction；Advantageously reduce construction costs simultaneously.
Description
Technical field
The invention belongs to long span building technical field of structures, and in particular to lift the large-scale steel truss room of installation across outer both sides
Lid construction technology.
Background technology
In order to meet people's life and industrial needs, large span space steel truss structure is using more and more, together
When in order to save the area, long span building structure also more and more forms using underground structure.
With the appearance of construction steel structure novel fabricated building technology and large scale hoisting machinery equipment, and by greatly across
The assembling implemen-tation summary of degree Steel Space Truss forms a variety of ripe construction technologies, all to build, set up completely if any accumulation slippage
Assembly technologies such as hall support frame carries out high altitude bulk construction, segmental hoisting is built, lifting is built etc..Above-mentioned assembly construction is each equal
In the presence of certain advantage, but there is also certain deficiency, accumulation slippage, which is built, to be needed to set a plurality of sliding beam and sliding beam should
Be distributed by parallel lines, for Steel Space Truss bearing can not be formed parallel lines distribution Steel Space Truss be just difficult to use
Accumulation slippage building technology；Set up full hall support frame progress high altitude bulk construction technology and ancillary method material and operating expenses be present
The defects of high, long construction period, while also influence relevant speciality and work post intersects implementation；Segmental hoisting building technology needs
Indoor part sets up bearing supporting frame, it is sometimes desirable to needs to lay Mobile hoisting equipment indoors, this is for basement being present
Or indoor concrete base plate strength is difficult to meet that the condition that Mobile hoisting equipment uses just constrains using for the technique；Lifting
Building technology is needed also exist for taking its Steel Space Truss lower vertical view field space to be installed, and floor is provided with for bottom
Structure or the Steel Space Truss for having Spectator Seating assemble place because its underpart ground can not provide, and in turn result in lifting and build work
Skill can not meet to construct.
The content of the invention
Present invention aims at solve above-mentioned technical problem present in prior art, there is provided it is big to lift installation across outer both sides
Steel truss roof construction technique, crane gear are stood and lifted across outer close Steel Space Truss both ends, be greatly lowered
The lifting rated capacity requirement of crane gear, improve the service efficiency of crane gear；Covered court need not be used, is avoided
Steel Space Truss assembled in situ is built has the conflict for intersecting implementation with bottom other professional workers；Pin hand need not be set up
Frame, bearing supporting frame；It is particularly suitable for bearing is curved and irregularly arranges spatial steel structure assembly construction；It is simultaneously favourable
In reduction construction costs.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that：
The large-scale Roof Truss construction technology of installation is lifted across outer both sides, it is characterised in that is comprised the following steps：
A, preparation of construction
1) construction horizontal layout is determined：Horizontal layout of constructing is clearly across each the walking of outer hoisting machinery, hoisting machinery lifting
Erect-position position, specifies steel truss ground spelling region, and the outer hoisting machinery walking of its mid-span and lifting erect-position position are located at building
Across outer both sides, steel truss ground spelling region is located at building transverse ends or building transverse direction one end for longitudinal direction；
2) determine that steel truss installs order, and the sequencing of truss ground spelling is determined according to installation order；
3) the hoisting machinery model specification that hoisting uses is determined, meets energy needed for the lifting of whole steel structure hoistings
Power；
B, main couple lifting installation preparation
1) to drawing interim cable wire tie-rod at the arch springing of main couple；
2) interim single-column support frame is set up at the top of all principal posts in left side：First select the single-column support frame of design height
Column, then single-column support frame bottom plate is welded in the bottom of single-column support frame column, weld branch at the top of single-column support frame column
Support top arrangement, then single-column support frame bottom plate is fixed on to the top of principal post by support frame anchor bolt, then in single-column
Lateral securing device is installed on support frame bottom plate；
3) interim twin columns support frame is set up at the top of all principal posts on right side：First select the first twin columns branch of design height
Height be present in support column and the second twin columns support frame column, the first twin columns support frame column and the second twin columns support frame column
Difference, then twin columns support frame bottom is welded between the bottom of the first twin columns support frame column and the bottom of the second twin columns support frame column
Beam, it is respectively welded at the top of support frame and fills in the bottom of the bottom of the first twin columns support frame column and the second twin columns support frame column
Put, then weld twin columns support frame bottom plate in the bottom of twin columns support frame bottom girder, then twin columns support frame bottom plate is passed through into support frame
Anchor bolt is fixed on the top of principal post, then installs lateral securing device on twin columns support frame bottom plate；
4) main couple location-plate, the welding position of main couple location-plate and branch are welded in the outer surface of the lower chord tube of main couple
The set location of support top arrangement is mutually corresponding；
C, main couple ground spelling；
D, main couple is across circulation lifting is installed step by step outside
1) the first Pin main couples are put by lifting to be carried to across outer hoisting machinery close to the outside ground of outside axis
Locate interim stabilization, then the first time design erect-position position of longitudinal travel region will be positioned at across outer hoisting machinery, by positioned at building
Build hoisting machinery of the thing longitudinal direction across outer both sides and lift and the first Pin main couples are transported to first from outside ground place closed on
At the top of principal post at the axis of outside, and by the first Pin main couples be temporarily fixed at interim single-column support frame at the top of the principal post of left side and
On interim twin columns support frame at the top of the principal post of right side, main couple location-plate on the lower chord tube of the first Pin main couples is spacing to be fixed on
At support frame top arrangement, then interim stabilization cable wire is fixed between lateral securing device and the first Pin main couples, complete first
Step lifting；
2) after the installation of interim stabilization cable wire terminates, carry out hoisting machinery and unload hook, then hoisting machinery is moved on into the second secondary design
Erect-position position, second step lifting being carried out, hoisting machinery lifts by crane the first Pin main couples, and dismantles interim stabilization cable wire, then by first
Pin main couples are temporarily fixed at second and closed at the principal post at the axis of outside, then in lateral securing device and the first Pin main trusses
Interim stabilization cable wire is fixed between frame, method of temporarily fixing, lateral fixing method are identical with first step hoisting process, complete the
Two steps lift；
3) so circulation, the first Pin main couples are temporarily anchored at design attitude, then on the left of disassembly design opening position
The interim twin columns support frame at the top of interim single-column support frame and right side principal post at the top of principal post, by anchor bolt by the first Pin master
On the main couple bearing of truss is fixed at design attitude at the top of principal post；
4) order and the first Pin main couple lifting techniques are installed according to main couple, remaining main couple is installed successively, until
Installation terminates；
E, jack truss is installed according to main couple installation site.
Further, in step a, it is located at building transverse ends, main couple installation for steel truss ground spelling region
Order is located at building transverse direction one end, main couple peace to carry out successively from the middle to both ends, for steel truss ground spelling region
Dress order is to carry out successively from one end to the other side.For steel truss ground spelling region, to determine that main couple installs order, carry
High main couple installation effectiveness.
Further, in stepb, to drawing interim cable wire tie-rod to concretely comprise the following steps first in main couple at the arch springing of main couple
The interim cable wire anchoring bracket of welding first and the second interim cable wire anchoring bracket at bearing, then in two first in the same side
To drawing a first interim cable wire tie-rod between interim cable wire anchoring bracket, while in two the second temporary steels in the same side
To drawing a second interim cable wire tie-rod between rope anchoring bracket, between the first interim cable wire tie-rod and the second interim cable wire tie-rod
Keep setpoint distance.Respectively to drawing one between the second interim cable wire anchoring bracket between the first interim cable wire anchoring bracket
Interim cable wire tie-rod, can undertake the horizontal thrust at the arch springing of main couple, will keep setting between two interim cable wire tie-rods away from
From guarantee main couple can smoothly land in interim stabilization, be unlikely to interim cable wire tie-rod and interim single-column in descent
Support frame, interim twin columns support frame collide, and improve the security of main couple lifting installation.
Further, in stepb, lateral securing device is consolidated including otic placode, otic placode turnbarrel, otic placode rotary shaft and otic placode
Determine crab-bolt, when being installed to lateral securing device, otic placode and otic placode turnbarrel are welded, then by otic placode rotary sleeve
Cylinder is nested into otic placode rotary shaft, and otic placode is then screwed into otic placode rotary shaft and fixes crab-bolt, and otic placode is fixed into crab-bolt locking
On otic placode turnbarrel.When not tightening otic placode fixation crab-bolt, otic placode turnbarrel can be rotated in otic placode rotary shaft, adjusted
The direction of whole otic placode, it is convenient that interim stabilization cable wire is fixed between otic placode and main couple, adjust the drawing side of interim stabilization cable wire
To and tension force, play and main couple laterally consolidated.
Further, in stepb, the length of twin columns support frame bottom girder is more than the horizontal length of the lower boom of main couple, really
The top of twin columns support frame bottom girder can be fixed on by protecting the first twin columns support frame column and the second twin columns support frame column.
The present invention is by adopting the above-described technical solution, have the advantages that：
The outer hoisting machinery walking of mid-span of the present invention and lifting erect-position position be located at building longitudinally across outer both sides, steel truss
Face spelling region is located at building transverse ends or building transverse direction one end so that crane gear is stood across outer close space
Steel truss both ends are lifted, and order is installed according to steel truss, and by main couple, hoisting is to design attitude one by one, then basis
Main couple installation site installs jack truss.The present invention across outer both sides when lifting installation, it is not necessary to using covered court, avoids
Steel Space Truss assembled in situ, which builds to exist with other professional workers of bottom, intersects the conflict implemented；Pin hand need not be set up
Frame, bearing supporting frame；It is particularly suitable for bearing is curved and irregularly arranges spatial steel structure assembly construction；It is simultaneously favourable
In reduction construction costs.
The present invention sets up interim list when specifically lifting installation main couple across outer both sides at the top of all principal posts in left side
Post support frame, single-column support frame mainly include single-column support frame column, single-column support frame bottom plate, support frame top arrangement and support
Frame anchor bolt, it has certain globality and support strength, the bottom single-point support for main couple；In all of right side
Interim twin columns support frame is set up at the top of principal post, twin columns support frame mainly includes the first twin columns support frame column, the second twin columns branch
Support column, twin columns support frame bottom girder, support frame top arrangement, twin columns support frame bottom plate and support frame anchor bolt, it has
Certain globality and support strength, for 2 points of the bottom support of main couple, meet the radian of main couple, can be supported with single-column
Frame cooperates and main couple is fixed temporarily, can improve main couple and lift installation rate across outer both sides.Interim single-column support
The effect of frame and interim twin columns support frame is that the deadweight for ensureing main couple is transferred to support frame until principal post by panel point
Top.The present invention is in order to reach the purpose that main couple is temporarily fixed at single-column support frame and twin columns support frame, under main couple
The outer surface welding main couple location-plate of string pipe, the welding position of main couple location-plate and the set location of support frame top arrangement
Mutually corresponding, main couple location-plate plays and positioning function spacing to main couple, avoids main couple from carrying out vibration displacement, so single
Support frame top arrangement on post support frame and twin columns support frame carries out sufficient face with the lower chord tube of main couple and contacted, it is ensured that main
The node of the lower chord tube of truss is located at support frame top arrangement, is unlikely to destroy and deforms.
The present invention installs lateral securing device on single-column support frame bottom plate, is installed on twin columns support frame bottom plate lateral steady
It is fixedly mounted with and puts, when the main couple location-plate on the lower chord tube of the first Pin main couples is spacing to be fixed at support frame top arrangement,
It is lateral that interim stabilization cable wire is fixed between securing device and the first Pin main couples, can so side be carried out to temporarily fixed main couple
To consolidating, it is easy to hoisting machinery to unload hook, and moves on to lifting erect-position position in next step.The present invention is lifting installation main truss across outer both sides
During frame, main couple can be carried out to fix temporarily and lateral firm, the lifting rated capacity for considerably reducing crane gear requires,
Improve the service efficiency of crane gear.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 forms floor plan for Steel Space Truss in the present invention；
Fig. 2 is in Fig. 1The elevation of main couple at axis；
Fig. 3 is the structure enlargement diagram at D in Fig. 2；
Fig. 4 is mixture proportioning in construction in the present invention；
Fig. 5 is the plan of the first Pin main couple hoisting first steps in the present invention；
Fig. 6 is the elevation of the first Pin main couple hoisting first steps in the present invention；
Floor plans of the Fig. 7 for main couple in the present invention to the interim cable wire tie-rod of drawing；
Structural representation when Fig. 8 is main couple lateral stability in the present invention；
Fig. 9 is the plan of the first Pin main couple hoisting second steps in the present invention；
Figure 10 is the structural representation of single-column support frame in the present invention；
Figure 11 is the structural representation of B-B direction in Figure 10；
Figure 12 be Figure 11 in A-A to structural representation；
Figure 13 is the structural representation at C-C in Figure 12；
Figure 14 is the structural representation of twin columns support frame in the present invention；
Figure 15 be Figure 14 in E-E to structural representation；
Figure 16 is the structure enlargement diagram at F in Figure 15；
Figure 17 is the structural representation at G-G in Figure 16.
In figure, 1- main couples；2- jack truss；3- principal posts；4- main couple bearings；5- anchor bolts；6- interim stabilization cable wires；
7- single-column support frames；8- twin columns support frames；The interim cable wire tie-rods of 9-；The interim cable wire tie-rods of 10- first；The second interim cable wires of 11-
Tie-rod；The first interim cable wires of 12- anchor bracket；The second interim cable wires of 13- anchor bracket；14- single-column support frame columns；15- is mono-
Post support frame bottom plate；16- support frame top arrangements；17- support frame anchor bolts；18- otic placode rotary shafts；19- otic placodes fix anchor
Bolt；20- otic placode turnbarrels；21- otic placodes；22- the first twin columns support frame columns；23- the second twin columns support frame columns；24- is double
Post support frame bottom girder；25- twin columns support frame bottom plates；26- main couple location-plates.
Embodiment
As shown in Fig. 1 to Figure 17, the large-scale Roof Truss construction technology of installation, the space are lifted across outer both sides for the present invention
Steel truss mainly includes main couple 1 and jack truss 2.Construction technology comprises the following steps：
A, preparation of construction
1) construction horizontal layout is determined：Horizontal layout of constructing is clearly across each the walking of outer hoisting machinery, hoisting machinery lifting
Erect-position position, specify steel truss ground spelling region.The outer hoisting machinery walking of its mid-span and lifting erect-position position are located at building
Across outer both sides, steel truss ground spelling region is located at building transverse ends or building transverse direction one end for longitudinal direction.
2) determine that steel truss installs order, and the sequencing of truss ground spelling is determined according to installation order.For steel
Truss ground spelling region is located at building transverse ends, and main couple 1 installs order to carry out successively from the middle to both ends, for
Steel truss ground spelling region is located at building transverse direction one end, and main couple 1 installs order to carry out successively from one end to the other side.
For steel truss ground spelling region, to determine that main couple 1 installs order, the installation effectiveness of main couple 1 is improved.It is of the invention specific real
During applying, steel truss ground spelling region is located at building transverse ends, main couple 1 install order for from the middle to both ends according to
Secondary progress.
3) the hoisting machinery model specification that hoisting uses is determined, meets energy needed for the lifting of whole steel structure hoistings
Power.
The present invention by floor plan vertical axis be divided into 1.~9., axis of pitch is divided intoWill be across outer lifting
Machine-walking region is set to 2-2X and 2-2D, is divided into 2-3-1X~2-3-11X by erect-position position is lifted by crane in 2-2X regions, by 2-2D
Erect-position position is lifted by crane in region and is divided into 2-3-1D~2-3-11D, by steel truss ground spelling zone location 2-1B and 2-1N.
B, the lifting of main couple 1 installation preparation
1) to drawing interim cable wire tie-rod 9 at the arch springing of main couple 1：The first temporary steel is first welded at main couple bearing 4
Rope anchoring bracket 12 and second interim cable wire anchoring bracket 13, then in two the first interim cable wire anchoring brackets in the same side
To drawing a first interim cable wire tie-rod 10 between 12, while in two the second interim cable wire anchoring brackets 13 in the same side
Between kept to drawing a second interim cable wire tie-rod 11, between the first interim 10 and second interim cable wire tie-rod 11 of cable wire tie-rod
Setpoint distance.Respectively to drawing one between the second interim cable wire anchoring bracket 13 between the first interim cable wire anchoring bracket 12
Interim cable wire tie-rod, can undertake the horizontal thrust at the arch springing of main couple 1, will keep setting between two interim cable wire tie-rods away from
From guarantee main couple 1 can smoothly land in interim stabilization, be unlikely to interim cable wire tie-rod and interim single-column in descent
Support frame, interim twin columns support frame collide, and improve the security of the lifting installation of main couple 1.
2) interim single-column support frame 7 is set up at the top of all principal posts 3 in left side：First supported from the single-column of design height
Post 14 is erected, then single-column support frame bottom plate 15 is welded in the bottom of single-column support frame column 14, in single-column support frame column 14
Top welding bracing frame top arrangement 16, then single-column support frame bottom plate 15 is fixed on principal post 3 by support frame anchor bolt 17
Top, lateral securing device then is installed on single-column support frame bottom plate 15.
3) interim twin columns support frame 8 is set up at the top of all principal posts 3 on right side：First select the first twin columns of design height
The twin columns support frame column 23 of support frame column 22 and second, the first twin columns support frame column 22 and the second twin columns support frame column 23
Difference in height be present.Welded again between the bottom of the first twin columns support frame column 22 and the bottom of the second twin columns support frame column 23
Twin columns support frame bottom girder 24, distinguish in the bottom of the first twin columns support frame column 22 and the bottom of the second twin columns support frame column 23
Welding bracing frame top arrangement 16, then in the bottom of twin columns support frame bottom girder 24 welding twin columns support frame bottom plate 25, then will be double
Post support frame bottom plate 25 is fixed on the top of principal post 3 by support frame anchor bolt 17, then on twin columns support frame bottom plate 25
Lateral securing device is installed.The length of twin columns support frame bottom girder 24 is more than the horizontal length of the lower boom of main couple 1, it is ensured that first
Twin columns support frame column 22 and the second twin columns support frame column 23 can be fixed on the top of twin columns support frame bottom girder 24.
4) main couple location-plate 26, the welding position of main couple location-plate 26 are welded in the outer surface of the lower chord tube of main couple 1
Put mutually corresponding with the set location of support frame top arrangement 16.
Lateral securing device includes otic placode 21, otic placode turnbarrel 20, otic placode rotary shaft 18 and otic placode and fixes crab-bolt 19,
When being installed to lateral securing device, otic placode 21 and otic placode turnbarrel 20 are welded, then by otic placode turnbarrel 20
It is nested into otic placode rotary shaft 18, otic placode is then screwed into otic placode rotary shaft 18 and fixes crab-bolt 19, and otic placode is fixed into crab-bolt
19 are locked on otic placode turnbarrel 20.When not tightening otic placode fixation crab-bolt 19, otic placode turnbarrel 20 can be revolved in otic placode
Rotated in rotating shaft 18, adjust the direction of otic placode 21, it is convenient that interim stabilization cable wire is fixed between otic placode 21 and main couple 1, adjust
The direction of draw and tension force of interim stabilization cable wire, play and main couple 1 are laterally consolidated.
C, the ground spelling of main couple 1.
D, main couple 1 is across circulation lifting is installed step by step outside
1) the first Pin main couples are put by lifting to be carried to across outer hoisting machinery close to the outside ground of outside axis
Locate interim stabilization, then the first time design erect-position position of longitudinal travel region will be positioned at across outer hoisting machinery, by positioned at building
Build hoisting machinery of the thing longitudinal direction across outer both sides and lift and the first Pin main couples are transported to first from outside ground place closed on
The top of principal post 3 at the axis of outside, and the first Pin main couples are temporarily fixed at the interim single-column support frame at the top of left side principal post 3
7 and the top of right side principal post 3 interim twin columns support frame 8 on, the main couple location-plate 26 on the lower chord tube of the first Pin main couples limits
Position is fixed at support frame top arrangement 16, then fixes interim stabilization cable wire between lateral securing device and the first Pin main couples
6, complete first step lifting.
2) after the installation of interim stabilization cable wire terminates, carry out hoisting machinery and unload hook, then hoisting machinery is moved on into the second secondary design
Erect-position position, second step lifting being carried out, hoisting machinery lifts by crane the first Pin main couples, and dismantles interim stabilization cable wire 6, then by first
Pin main couples are temporarily fixed at second and closed at the principal post 3 at the axis of outside, then in lateral securing device and the first Pin master
Interim stabilization cable wire 6 is fixed between truss, method of temporarily fixing, lateral fixing method are identical with first step hoisting process, complete
Lifted into second step.
3) so circulation, the first Pin main couples are temporarily anchored at design attitude, then on the left of disassembly design opening position
The interim twin columns support frame 8 at the top of interim single-column support frame 7 and right side principal post 3 at the top of principal post 3, by anchor bolt 5 by the
The main couple bearing 4 of one Pin main couples is fixed at design attitude on the top of principal post 3.
4) order and the first Pin main couple lifting techniques are installed according to main couple, remaining main couple 1 is installed successively, until
Installation terminates.
In concrete operations, because main couple 1 installs order to carry out successively from the middle to both ends, the present invention willAt axle
Main couple 1 position the first Pin main couples.First by main couple 1 by across outer hoisting machinery lift be carried to it is closeOutside axis
Side, then design erect-position 2-3-1X, 2-3-1D positions will be respectively positioned in across outer hoisting machinery, by double-machine lifting crane main couple 1
From ground handling toThe top of the principal post 3 of axis, and the first Pin main couples 1 are temporarily fixed at facing for the top of left side principal post 3
On Shi Danzhu support frames 7 and the interim twin columns support frame 8 at the top of right side principal post 3, hoisting machinery is unloaded before hook in lateral securing device
And the first fix interim stabilization cable wire 6 between Pin main couples 1, laterally consolidated, complete first step lifting.Interim stabilization cable wire
After 6 installations terminate, it is possible to carry out hoisting machinery and unload hook, and move on to lifting erect-position position 2-3-2X, 2-3-2D in next step, carry out
Second step is lifted by crane, and dismantles interim stabilization cable wire 6, and main couple 1 is existedThe principal post 3 of axis is fixed temporarily, then to main truss
Frame 1 laterally consolidates, and method of temporarily fixing, lateral fixing method are identical with first step hoisting process, completes second step lifting.Such as
This circulation, until main couple 1 is installed to where designAxial location.According to the lifting technique of the first Pin main couples 1, pacify successively
The main couple 1 of other axis is filled, until installation terminates.
E, jack truss 2 is installed according to the installation site of main couple 1.
The outer hoisting machinery walking of mid-span of the present invention and lifting erect-position position be located at building longitudinally across outer both sides, steel truss
Face spelling region is located at building transverse ends or building transverse direction one end so that crane gear is stood across outer close space
Steel truss both ends are lifted, and order is installed according to steel truss, by main couple 1 one by one hoisting to design attitude, Ran Hougen
Jack truss 2 is installed according to the installation site of main couple 1.The present invention across outer both sides when lifting installation, it is not necessary to using covered court, keeps away
Exempt from Steel Space Truss assembled in situ to build with other professional workers of bottom in the presence of the conflict for intersecting implementation；Pin need not be set up
Hand cradle, bearing supporting frame；It is particularly suitable for bearing is curved and irregularly arranges spatial steel structure assembly construction；Have simultaneously
Beneficial to reduction construction costs.
The present invention is set up temporarily when specifically lifting installation main couple 1 across outer both sides at the top of all principal posts 3 in left side
Single-column support frame 7, single-column support frame 7 mainly include single-column support frame column 14, single-column support frame bottom plate 15, support frame top dress
16 and support frame anchor bolt 17 are put, it has certain globality and support strength, the bottom single-point branch for main couple 1
Support；Interim twin columns support frame 8 is set up at the top of all principal posts 3 on right side, twin columns support frame 8 mainly includes the first twin columns and supported
Erect post 22, the second twin columns support frame column 23, twin columns support frame bottom girder 24, support frame top arrangement 16, twin columns support frame bottom
Plate 25 and support frame anchor bolt 17, it has certain globality and support strength, the point branch of bottom two for main couple 1
Support, meets the radian of main couple 1, can be cooperated with single-column support frame 7 and main couple 1 is fixed temporarily, can improve main truss
Frame 1 lifts installation rate across outer both sides.The effect of interim single-column support frame 7 and interim twin columns support frame 8 is to ensure main couple 1
Deadweight is transferred to support frame until the top of principal post 3 by panel point.The present invention is temporarily fixed at list to reach main couple 1
The purpose of post support frame 7 and twin columns support frame 8, in the outer surface welding main couple location-plate 26 of the lower chord tube of main couple 1, main truss
The welding position of frame location-plate 26 and the set location of support frame top arrangement 16 are mutually corresponding, and main couple location-plate 26 plays pair
Main couple 1 is spacing and positioning function, avoids main couple 1 from carrying out vibration displacement, on such single-column support frame 7 and twin columns support frame 8
The lower chord tube of support frame top arrangement 16 and main couple 1 carry out sufficient face and contact, it is ensured that the node of the lower chord tube of main couple 1
At support frame top arrangement 16, it is unlikely to destroy and deforms.
The present invention installs lateral securing device on single-column support frame bottom plate 15, the installation side on twin columns support frame bottom plate 25
To securing device, support frame top arrangement is fixed on when the main couple location-plate 26 on the lower chord tube of the first Pin main couples 1 is spacing
When at 16, interim stabilization cable wire 6 is fixed between lateral securing device and the first Pin main couples 1, so can be to fixation temporarily
Main couple 1 is laterally consolidated, and is easy to hoisting machinery to unload hook, and moves on to lifting erect-position position in next step.The present invention is across outer two
When side lifts installation main couple 1, main couple 1 can be carried out fixing temporarily and lateral firm, considerably reduce crane gear
The requirement of lifting rated capacity, improve the service efficiency of crane gear.
The specific embodiment of the present invention is these are only, but the technical characteristic of the present invention is not limited thereto.It is any with this hair
Based on bright, to solve essentially identical technical problem, essentially identical technique effect is realized, made simple change, etc.
With replacement or modification etc., all it is covered by among protection scope of the present invention.
Claims (5)
1. lift the large-scale Roof Truss construction technology of installation across outer both sides, it is characterised in that comprise the following steps：
A, preparation of construction
1) construction horizontal layout is determined：Horizontal layout of constructing is clearly across each the walking of outer hoisting machinery, hoisting machinery lifting erect-position
Position, specifies steel truss ground spelling region, and the outer hoisting machinery walking of its mid-span and lifting erect-position position are located at building longitudinal direction
Across outer both sides, steel truss ground spelling region is located at building transverse ends or building transverse direction one end；
2) determine that steel truss installs order, and the sequencing of truss ground spelling is determined according to installation order；
3) the hoisting machinery model specification that hoisting uses is determined, meets ability needed for the lifting of whole steel structure hoistings；
B, main couple lifting installation preparation
1) to drawing interim cable wire tie-rod at the arch springing of main couple；
2) interim single-column support frame is set up at the top of all principal posts in left side：First the single-column support from design height erects
Post, then single-column support frame bottom plate is welded in the bottom of single-column support frame column, weld support at the top of single-column support frame column
Top of the trellis device, then single-column support frame bottom plate is fixed on to the top of principal post by support frame anchor bolt, then in single-column branch
Lateral securing device is installed on support bottom plate；
3) interim twin columns support frame is set up at the top of all principal posts on right side：First select the first twin columns support frame of design height
Difference in height be present in column and the second twin columns support frame column, the first twin columns support frame column and the second twin columns support frame column, then
Twin columns support frame bottom girder is welded between the bottom of the first twin columns support frame column and the bottom of the second twin columns support frame column,
Support frame top arrangement is respectively welded in the bottom of first twin columns support frame column and the bottom of the second twin columns support frame column, then
Twin columns support frame bottom plate is welded in the bottom of twin columns support frame bottom girder, then twin columns support frame bottom plate is passed through into support frame anchor bolt
The top of principal post is fixed on, lateral securing device then is installed on twin columns support frame bottom plate；
4) main couple location-plate, the welding position of main couple location-plate and support frame are welded in the outer surface of the lower chord tube of main couple
The set location of top arrangement is mutually corresponding；
C, main couple ground spelling；
D, main couple is across circulation lifting is installed step by step outside
1) the first Pin main couples are faced by lifting to be carried to across outer hoisting machinery close to the outside ground place of outside axis
Shi Wending, then the first time that longitudinal travel region is positioned at across outer hoisting machinery is designed into erect-position position, by positioned at building
Hoisting machinery of the longitudinal direction across outer both sides lift the first Pin main couples from outside ground place be transported to first close on the outside of
At the top of principal post at axis, and the first Pin main couples are temporarily fixed to interim single-column support frame and right side at the top of the principal post of left side
On interim twin columns support frame at the top of principal post, main couple location-plate on the lower chord tube of the first Pin main couples is spacing to be fixed on support
At top of the trellis device, then interim stabilization cable wire is fixed between lateral securing device and the first Pin main couples, complete the first step and hang
Dress；
2) after the installation of interim stabilization cable wire terminates, carry out hoisting machinery and unload hook, then hoisting machinery is moved on into second of design erect-position
Position, second step lifting being carried out, hoisting machinery lifts by crane the first Pin main couples, and dismantles interim stabilization cable wire, then by the first Pin master
Truss is temporarily fixed at second and closed at the principal post at the axis of outside, then lateral securing device and the first Pin main couples it
Between fix interim stabilization cable wire, method of temporarily fixing, lateral fixing method are identical with first step hoisting process, complete second step
Lifting；
3) so circulation, the first Pin main couples are temporarily anchored at design attitude, then principal post on the left of disassembly design opening position
Interim twin columns support frame at the top of interim the single-column support frame and right side principal post at top, by anchor bolt by the first Pin main couples
Main couple bearing be fixed at design attitude at the top of principal post；
4) order and the first Pin main couple lifting techniques are installed according to main couple, remaining main couple is installed successively, until installation
Terminate；
E, jack truss is installed according to main couple installation site.
2. according to claim 1 lift the large-scale Roof Truss construction technology of installation across outer both sides, it is characterised in that：
In step a, it is located at building transverse ends for steel truss ground spelling region, main couple installation order is from the middle to both ends
Carry out successively, be located at building transverse direction one end for steel truss ground spelling region, main couple installation order is from one end to another
One end is carried out successively.
3. according to claim 1 lift the large-scale Roof Truss construction technology of installation across outer both sides, it is characterised in that：
In step b, to drawing interim cable wire tie-rod to concretely comprise the following steps first, welding first is faced at main couple bearing at the arch springing of main couple
When cable wire anchoring bracket and the second interim cable wire anchoring bracket, then in two the first interim cable wires anchoring brackets in the same side
Between to drawing a first interim cable wire tie-rod, it is while right between two the second interim cable wires anchoring brackets in the same side
A second interim cable wire tie-rod is drawn, setpoint distance is kept between the first interim cable wire tie-rod and the second interim cable wire tie-rod.
4. according to claim 1 lift the large-scale Roof Truss construction technology of installation across outer both sides, it is characterised in that：
In step b, lateral securing device includes otic placode, otic placode turnbarrel, otic placode rotary shaft and otic placode and fixes crab-bolt, to lateral steady
It is fixedly mounted with and puts when being installed, otic placode and otic placode turnbarrel are welded, then otic placode turnbarrel is nested into otic placode rotation
On axle, otic placode is then screwed into otic placode rotary shaft and fixes crab-bolt, and otic placode fixation crab-bolt is locked on otic placode turnbarrel.
5. according to claim 1 lift the large-scale Roof Truss construction technology of installation across outer both sides, it is characterised in that：
In step b, the length of twin columns support frame bottom girder is more than the horizontal length of the lower boom of main couple.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711097510.5A CN107816209B (en) | 2017-11-09 | 2017-11-09 | The large-scale Roof Truss construction technology of installation is lifted across outer two sides |
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| CN201711097510.5A CN107816209B (en) | 2017-11-09 | 2017-11-09 | The large-scale Roof Truss construction technology of installation is lifted across outer two sides |
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| CN107816209B CN107816209B (en) | 2019-07-19 |
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| CN110886493A (en) * | 2019-11-04 | 2020-03-17 | 湖南金海钢结构有限公司 | Jumping type moving hoisting installation method for wave-shaped roof steel structure truss |
| CN111851746A (en) * | 2020-08-04 | 2020-10-30 | 中建八局第三建设有限公司 | Construction method of multi-line type large-span inverted trapezoidal space truss roof system |
| CN114809652A (en) * | 2022-05-20 | 2022-07-29 | 中国建筑第二工程局有限公司 | BIM-based roof arc truss positioning and hoisting method |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107816209B (en) | 2019-07-19 |
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Address after: 311400 No.18, Changkou East Street, Changkou Town, Fuyang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Zhongnan Lvjian Technology Group Co.,Ltd. Address before: No.245, BINKANG Road, Binjiang District, Hangzhou City, Zhejiang Province 310052 Patentee before: ZHEJIANG ZHONGNAN CONSTRUCTION GROUP STEEL STRUCTURE Co.,Ltd. |