CN108343251A - A kind of continuance lifting method without bearing large space Steel Truss Beam - Google Patents
A kind of continuance lifting method without bearing large space Steel Truss Beam Download PDFInfo
- Publication number
- CN108343251A CN108343251A CN201810433073.8A CN201810433073A CN108343251A CN 108343251 A CN108343251 A CN 108343251A CN 201810433073 A CN201810433073 A CN 201810433073A CN 108343251 A CN108343251 A CN 108343251A
- Authority
- CN
- China
- Prior art keywords
- steel
- truss beam
- steel truss
- cross bar
- hoisting frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
Abstract
The invention discloses a kind of continuance lifting methods without bearing large space Steel Truss Beam, include the following steps：1）Design hoisting frame structure and intensity；2）Make hoisting frame；3）Pre-plugged pre-embedded steel slab and connection bolt, are arranged bearing on pre-embedded steel slab；4）Two hoisting frames are installed respectively on pre-embedded steel slab；5）One centre-hole jack is installed in hoisting frame；6）The steel strand in centre-hole jack；7）Master station and pumping plant is respectively set on the top of two towers or column；8）The lower end of steel strand wires is fixedly connected with Steel Truss Beam；9）The both ends of Steel Truss Beam are connected by connecting plate with bearing respectively；10）It repeats the above steps, is completed until all Steel Truss Beams lift.The present invention can carry out the fast hoisting construction of Steel Truss Beam in narrow space and large span large space, easy for construction, and safety and reliability higher, economy are more preferable.
Description
Technical field
The present invention relates to technical field of building construction more particularly to a kind of continuously carrying without bearing large space Steel Truss Beam
Lifting method.
Background technology
With the quick steady-state growth of national economic development, infrastructure construction is greatly developed, in recent years long-span bridge
Beam is built quantity and is continuously increased, and the asd number of large span venue is also continuously increased, and H is designed as certain Cable stayed Bridge Main Towers
Type, king-post bottom end rail are generally prestressed concrete box beams, and upper beam is typically designed as large space Steel Truss Beam, and upper cross
Beam is in construction, it is difficult to provide enough construction sites, lower part is without bearing, and lifting condition is poor, it is difficult to using conventional lifting side
Method；Meanwhile for the narrow large span venue in certain construction sites or with basement, grandstand, periphery soil body backfill amount is big,
Large-scale crane can not march into the arena, and the lifting construction difficulty for also resulting in Steel Truss Beam is very big.
Invention content
It is difficult it is an object of the invention to solve the lifting of large space Steel Truss Beam for deficiencies of the prior art
Degree is big, construction trouble, and safety and reliability is low, less economical problem, provides a kind of without bearing large space steel truss
The continuance lifting method set a roof beam in place, the fast hoisting that Steel Truss Beam can be carried out in narrow space and large span large space are applied
Work, it is easy for construction, and safety and reliability higher, economy are more preferable.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is such：It is a kind of without bearing large space
The continuance lifting method of Steel Truss Beam, it is characterised in that：Include the following steps：
1）The force analysis of hoisting frame in two lifting process of steel truss is carried out according to the structure of Steel Truss Beam, weight, then basis
The force analysis result designs hoisting frame structure and intensity；
2）According to step 1）The hoisting frame of design makes hoisting frame, which has fixing end and overhanging end；
3）In the top pre-plugged pre-embedded steel slab and connection bolt of two towers or column that need to install Steel Truss Beam, on pre-embedded steel slab
Bearing for being connected with Steel Truss Beam is set；
4）Two hoisting frames are installed respectively on pre-embedded steel slab, two hoisting frames and pass through support respectively close to the both sides of pre-embedded steel slab
Truss is connected with pre-embedded steel slab；Wherein, hoisting frame overhangs end and is stretched out from the side of tower or column, and the hoisting frame on two towers or column
Overhanging end is located at two towers or the adjacent side of column；
5）One centre-hole jack is installed respectively at the overhanging end of each hoisting frame, limit is set between jack and hoisting frame
Moveable anchor is arranged in device, the upper end；
6）Several steel strand wires are worn in each centre-hole jack, wherein the upper end of steel strand wires sequentially passes through limit from bottom to up
Position device, centre-hole jack and moveable anchor, lower end extend downward into the lower end of tower or column；
7）Master station and pumping plant is respectively set on the top of two towers or column, coordinates pumping plant to same tower or top end by master station
2 centre-hole jacks controlled；Then, to 4 centre-hole jack zero load joint-trials, make 4 centre-hole jacks
Promote speed sync；
8）The lower end of steel strand wires in a wherein tower or the centre-hole jack of column upper end and one end of Steel Truss Beam are fixed and connected
It connects, the lower end of the steel strand wires in the centre-hole jack of another tower or column upper end is fixedly connected with the other end of Steel Truss Beam, so
Pumping plant is coordinated to carry out the promotion operation of Steel Truss Beam by master station afterwards, in lifting process, it is ensured that the both ends of Steel Truss Beam synchronize
Rise, until Steel Truss Beam is promoted to the top of tower or column；
9）The both ends of Steel Truss Beam are connected by connecting plate with bearing respectively, and are fixedly connected by way of bolt weldering；
10）It repeats the above steps, is completed until all Steel Truss Beams lift.
Further, in step 2, the hoisting frame includes horizontally disposed H profile steel cross bar, one end of the H profile steel cross bar
For fixing end, the other end is overhanging end；It is equipped with a compression montant, the lower end of the compression montant and H-type vertically on H profile steel cross bar
Steel cross bar is fixedly connected, and the distance between the lower end of compression montant and the fixing end of H profile steel cross bar are more than itself and H profile steel cross bar
The distance between overhanging end；It is respectively equipped with fixing end tension diagonal and overhanging end tension diagonal in the both sides of compression montant；Its
In, the upper end of fixing end tension diagonal is fixedly connected with the upper end of compression montant, and lower end is inclined to the fixation extreme direction of H profile steel cross bar
Tiltedly, and with H profile steel cross bar it is fixedly connected；The upper end of overhanging end tension diagonal is fixedly connected with the upper end of compression montant, and lower end is to H
The overhanging extreme direction of shaped steel cross bar tilts, and is fixedly connected with H profile steel cross bar；It is fixed in the upside at the overhanging end of H profile steel cross bar
There is jack chassis；The centre-hole jack is installed on the jack chassis
Further, between H profile steel cross bar and fixing end tension diagonal and between H profile steel cross bar and overhanging end tension diagonal
It is distributed with reinforced pull rod that is vertical and being obliquely installed.
Further, safe anchor slab is additionally provided on hoisting frame；Steel Truss Beam is promoted to after the top of tower or column, steel strand wires
It is fixedly connected with the safe anchor slab.
Further, a hinged seat is additionally provided on pre-embedded steel slab；The hinged seat include plate supported on both sides and be located at two
Articulated slab between fagging, the articulated slab are rotatablely connected by bearing and two support plates；The both ends of the Steel Truss Beam are
Inclined-plane after Steel Truss Beam is connected with bearing, then articulated slab and Steel Truss Beam is welded together.
Compared with prior art, the invention has the advantages that：
1, hoisting frame is simple in structure, mainly by the enough H profile steels of stress intensity（I-steel）Welding is formed, to make processing side
Just, stability is good, and reliability is high, and of low cost；Large-scale crane is substituted using the hoisting frame to lift by crane, good economy performance.
2, by the way that the promotion that hoisting frame carries out Steel Truss Beam is arranged in tower or capital, the scope of application is wider, can be easily
It is big that big large span venue roofing, large span are measured suitable for city narrow space, basement, grandstand or periphery soil body backfill
The promotion of type Steel Space Truss beam；It solves certain Cable stayed Bridge Main Towers and is designed as H-type, in upper beam construction, it is difficult to which foot is provided
Enough construction sites, lower part promote problem in place without bearing, the upper beam of lifting condition difference.
3, easy to operate, only need in advance in tower（Column）Upper end pre-plugged pre-embedded steel slab, then set on pre-embedded steel slab
Hoisting frame is set, and hoisting frame is connected by logical sub-truss with the pre-embedded steel slab；In this way, passing through two towers（Column）The hoisting frame of upper end and
Centre-hole jack on hoisting frame, then coordinate and draw anchor device and control system etc., it will be able to realization directly carries Steel Truss Beam
It rises, efficiently solves certain Cable stayed Bridge Main Towers and be designed as H-type, in upper beam construction, it is difficult to enough construction sites are provided, under
Portion promotes problem in place without bearing, the upper beam of lifting condition difference, and construction efficiency is high.
4, more convenient to use, reuse easy to remove can take hoisting frame after the completion of a steel truss two promotion
Under, it is moved to the promotion for repeating Steel Truss Beam elsewhere.
Description of the drawings
Fig. 1 is the attachment structure schematic diagram of hoisting frame and sub-truss and pre-embedded steel slab.
Fig. 2 is the schematic diagram promoted using this hoisting frame.
Fig. 3 is a wherein tower or the vertical view of top end in Fig. 2.
In figure：1-H profile steel cross bar, 2-compression montants, 3-fixing end tension diagonals, 4-overhanging end tension diagonals, 5-
Jack chassis, 6-centre-hole jacks, 7-reinforced pull rods, 8-sub-trusses, 9-pre-embedded steel slabs, 10-bearings, 11-
Tower or column, 12-steel strand wires, 13-Steel Truss Beams, 14-connecting rods.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and examples.
Embodiment：Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of continuance lifting method without bearing large space Steel Truss Beam, packet
Include following steps：
1）The force analysis of hoisting frame in two lifting process of steel truss is carried out according to the structure of Steel Truss Beam 13, weight, then root
Hoisting frame structure and intensity are designed according to the force analysis result.
2）According to step 1）The hoisting frame of design makes hoisting frame, which has fixing end and overhanging end.Wherein, institute
It includes horizontally disposed H profile steel cross bar 1 to state hoisting frame, and one end of the H profile steel cross bar 1 is fixing end, and the other end is overhanging end.
A compression montant 2 is equipped on H profile steel cross bar 1 vertically, the lower end of the compression montant 2 is fixedly connected with H profile steel cross bar 1, and is pressurized
The distance between the lower end of montant 2 and the fixing end of H profile steel cross bar 1 be more than between its overhanging end H profile steel cross bar 1 away from
From.It is respectively equipped with fixing end tension diagonal 3 and overhanging end tension diagonal 4 in the both sides of compression montant 2；In H profile steel cross bar 1 and admittedly
It is distributed with vertically and is obliquely installed between fixed end tension diagonal 3 and between H profile steel cross bar 1 and overhanging end tension diagonal 4
Reinforced pull rod 7.Wherein, the upper end of fixing end tension diagonal 3 is fixedly connected with the upper end of compression montant 2, and lower end is to H profile steel cross bar
1 fixation extreme direction tilts, and is fixedly connected with H profile steel cross bar 1；The upper end of overhanging end tension diagonal 4 is upper with compression montant 2
End is fixedly connected, and lower end is tilted to the overhanging extreme direction of H profile steel cross bar 1, and is fixedly connected with H profile steel cross bar 1.In H profile steel cross
It is fixed with jack chassis 5 on the upside of the overhanging end of bar 1；The centre-hole jack 6 is installed on the jack chassis 5
3）In the top pre-plugged pre-embedded steel slab 9 and connection bolt of two towers or column 11 that need to install Steel Truss Beam 13, pre-buried
Bearing 10 for being connected with Steel Truss Beam 13 is set on steel plate 9.
4）Two hoisting frames are installed respectively on pre-embedded steel slab 9, two hoisting frames and lead to respectively close to the both sides of pre-embedded steel slab 9
Sub-truss 8 is crossed with pre-embedded steel slab 9 to be connected；Wherein, hoisting frame overhangs end and is stretched out from the side of tower or column 11, and two towers or column 11
On the overhanging end of hoisting frame be located at two towers or the adjacent side of column 11.When practice of construction, two hoisting frames are passed through into connecting rod
14 are connected, to improve the intensity and connective stability of two hoisting frames.
5）One centre-hole jack 6 is installed respectively at the overhanging end of each hoisting frame, is arranged between jack and hoisting frame
Moveable anchor is arranged in limiter, the upper end.
6）Several steel strand wires 12 are worn in each centre-hole jack 6, wherein the upper end of steel strand wires 12 from bottom to up according to
Secondary to pass through limiter, centre-hole jack 6 and moveable anchor, lower end extends downward into the lower end of tower or column 11.
7）Master station and pumping plant is respectively set on the top of two towers or column 11, coordinate pumping plant to same tower by master station or
2 centre-hole jacks 6 on 11 top of column are controlled；Then, to the unloaded joint-trial of 4 centre-hole jacks 6, make 4 punchings
The promotion speed sync of formula jack 6.
8）By the lower end of the steel strand wires 12 in the centre-hole jack 6 of 11 upper end of a wherein tower or column and Steel Truss Beam 13
One end is fixedly connected, lower end and the Steel Truss Beam 13 of the steel strand wires 12 in the centre-hole jack 6 of 11 upper end of another tower or column
The other end is fixedly connected；Then pumping plant is coordinated to carry out the promotion operation of Steel Truss Beam 13 by master station, in lifting process, it is ensured that
The both ends of Steel Truss Beam 13, which synchronize, to be risen；Until Steel Truss Beam 13 promotes the top to tower or column 11, the i.e. upside of steel truss two
Face reaches the position that can be connected with bearing 10.When practice of construction, safe anchor slab is additionally provided on hoisting frame；Steel Truss Beam 13 carries
After being raised to the top of tower or column 11, steel strand wires 12 are fixedly connected with the safe anchor slab.
9）The both ends of Steel Truss Beam 13 pass through respectively（At least one）Connecting plate is connected with bearing 10, also, Steel Truss Beam 13
It is fixedly connected with the connecting plate by way of bolt weldering with bearing 10；
During practice of construction, a hinged seat is additionally provided on pre-embedded steel slab 9；The hinged seat include plate supported on both sides and be located at two
Articulated slab between support plate, the articulated slab pass through bearing（And the cooperation of shaft）It is rotatablely connected with two support plates.The steel
The both ends of girder truss 13 are inclined-plane, after Steel Truss Beam 13 is connected with bearing 10, then articulated slab and Steel Truss Beam 13 are welded on
Together.Wherein, in 13 lifting process of Steel Truss Beam, articulated slab is turned to away from the side of Steel Truss Beam 13, waits for steel truss
After two are connected with bearing 10, it is rotated further by articulated slab, articulated slab is made to be bonded with Steel Truss Beam 13, and by articulated slab and Steel Truss Beam 13
Weld together, to further being supported to Steel Truss Beam 13, effectively promotes the stability and reliably of Steel Truss Beam 13
Property.
10）It repeats the above steps, is completed until all Steel Truss Beams 13 lift.
Finally, it should be noted that technical side the above examples are only used to illustrate the technical scheme of the present invention and are not limiting
Case, it will be understood by those of ordinary skill in the art that, those are modified or replaced equivalently technical scheme of the present invention, and
The objective and range for not departing from the technical program, are intended to be within the scope of the claims of the invention.
Claims (5)
1. a kind of continuance lifting method without bearing large space Steel Truss Beam, it is characterised in that：Include the following steps：
1）The force analysis of hoisting frame in two lifting process of steel truss is carried out according to the structure of Steel Truss Beam, weight, then basis
The force analysis result designs hoisting frame structure and intensity；
2）According to step 1）The hoisting frame of design makes hoisting frame, which has fixing end and overhanging end；
3）In the top pre-plugged pre-embedded steel slab and connection bolt of two towers or column that need to install Steel Truss Beam, on pre-embedded steel slab
Bearing for being connected with Steel Truss Beam is set；
4）Two hoisting frames are installed respectively on pre-embedded steel slab, two hoisting frames and pass through support respectively close to the both sides of pre-embedded steel slab
Truss is connected with pre-embedded steel slab；Wherein, hoisting frame overhangs end and is stretched out from the side of tower or column, and the hoisting frame on two towers or column
Overhanging end is located at two towers or the adjacent side of column；
5）One centre-hole jack is installed respectively at the overhanging end of each hoisting frame, limit is set between jack and hoisting frame
Moveable anchor is arranged in device, the upper end；
6）Several steel strand wires are worn in each centre-hole jack, wherein the upper end of steel strand wires sequentially passes through limit from bottom to up
Position device, centre-hole jack and moveable anchor, lower end extend downward into the lower end of tower or column；
7）Master station and pumping plant is respectively set on the top of two towers or column, coordinates pumping plant to same tower or top end by master station
2 centre-hole jacks controlled；Then, to 4 centre-hole jack zero load joint-trials, make 4 centre-hole jacks
Promote speed sync；
8）The lower end of steel strand wires in a wherein tower or the centre-hole jack of column upper end and one end of Steel Truss Beam are fixed and connected
It connects, the lower end of the steel strand wires in the centre-hole jack of another tower or column upper end is fixedly connected with the other end of Steel Truss Beam, so
Pumping plant is coordinated to carry out the promotion operation of Steel Truss Beam by master station afterwards, in lifting process, it is ensured that the both ends of Steel Truss Beam synchronize
Rise, until Steel Truss Beam is promoted to the top of tower or column；
9）The both ends of Steel Truss Beam are connected by connecting plate with bearing respectively, and are fixedly connected by way of bolt weldering；
10）It repeats the above steps, is completed until all Steel Truss Beams lift.
2. a kind of continuance lifting method without bearing large space Steel Truss Beam according to claim 1, it is characterised in that：
In step 2, the hoisting frame includes horizontally disposed H profile steel cross bar, and one end of the H profile steel cross bar is fixing end, and the other end is
Overhang end；It is equipped with a compression montant vertically on H profile steel cross bar, the lower end of the compression montant is fixedly connected with H profile steel cross bar, and
The distance between the lower end of compression montant and the fixing end of H profile steel cross bar be more than between its overhanging end H profile steel cross bar away from
From；It is respectively equipped with fixing end tension diagonal and overhanging end tension diagonal in the both sides of compression montant；Wherein, fixing end tension diagonal
Upper end be fixedly connected with the upper end of compression montant, lower end to the fixation extreme direction of H profile steel cross bar tilt, and with H profile steel cross bar
It is fixedly connected；The upper end of overhanging end tension diagonal is fixedly connected with the upper end of compression montant, and lower end is to the overhanging end of H profile steel cross bar
Direction tilts, and is fixedly connected with H profile steel cross bar；It is fixed with jack chassis on the upside of the overhanging end of H profile steel cross bar；It is described
Centre-hole jack is installed on the jack chassis.
3. a kind of continuance lifting method without bearing large space Steel Truss Beam according to claim 2, it is characterised in that：
It is vertical to be distributed between H profile steel cross bar and fixing end tension diagonal and between H profile steel cross bar and overhanging end tension diagonal
With the reinforced pull rod being obliquely installed.
4. a kind of continuance lifting method without bearing large space Steel Truss Beam according to claim 2, it is characterised in that：
Safe anchor slab is additionally provided on hoisting frame；Steel Truss Beam is promoted to after the top of tower or column, and steel strand wires are fixed with the safe anchor slab
Connection.
5. a kind of continuance lifting method without bearing large space Steel Truss Beam according to claim 1, it is characterised in that：
A hinged seat is additionally provided on pre-embedded steel slab；The hinged seat includes plate supported on both sides and the articulated slab between two support plates,
The articulated slab is rotatablely connected by bearing and two support plates；The both ends of the Steel Truss Beam are inclined-plane, Steel Truss Beam and branch
After seat is connected, then articulated slab and Steel Truss Beam welded together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810433073.8A CN108343251A (en) | 2018-05-08 | 2018-05-08 | A kind of continuance lifting method without bearing large space Steel Truss Beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810433073.8A CN108343251A (en) | 2018-05-08 | 2018-05-08 | A kind of continuance lifting method without bearing large space Steel Truss Beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108343251A true CN108343251A (en) | 2018-07-31 |
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ID=62955490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810433073.8A Pending CN108343251A (en) | 2018-05-08 | 2018-05-08 | A kind of continuance lifting method without bearing large space Steel Truss Beam |
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| CN (1) | CN108343251A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439249A (en) * | 2022-04-07 | 2022-05-06 | 中铁建工集团有限公司 | Construction method for lifting large-span triangular truss through air swivel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094389A (en) * | 2009-12-14 | 2011-06-15 | 上海市基础工程有限公司 | Separable large-section truss girder hydraulic lifting device |
| CN203462764U (en) * | 2013-08-20 | 2014-03-05 | 浙江精工钢结构集团有限公司 | Large cantilever promotion counter-force frame |
| CN205012666U (en) * | 2015-09-17 | 2016-02-03 | 浙江中成建工集团有限公司 | High altitude steel construction vestibule integrally lift up support structure |
| CN205637619U (en) * | 2016-04-07 | 2016-10-12 | 中建六局第三建筑工程有限公司 | No post steel construction pipe truss hanging device of underground big space of large -span superelevation |
-
2018
- 2018-05-08 CN CN201810433073.8A patent/CN108343251A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094389A (en) * | 2009-12-14 | 2011-06-15 | 上海市基础工程有限公司 | Separable large-section truss girder hydraulic lifting device |
| CN203462764U (en) * | 2013-08-20 | 2014-03-05 | 浙江精工钢结构集团有限公司 | Large cantilever promotion counter-force frame |
| CN205012666U (en) * | 2015-09-17 | 2016-02-03 | 浙江中成建工集团有限公司 | High altitude steel construction vestibule integrally lift up support structure |
| CN205637619U (en) * | 2016-04-07 | 2016-10-12 | 中建六局第三建筑工程有限公司 | No post steel construction pipe truss hanging device of underground big space of large -span superelevation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439249A (en) * | 2022-04-07 | 2022-05-06 | 中铁建工集团有限公司 | Construction method for lifting large-span triangular truss through air swivel |
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