CN110080083A - The method for installing basket type steel truss arch main chord - Google Patents
The method for installing basket type steel truss arch main chord Download PDFInfo
- Publication number
- CN110080083A CN110080083A CN201910496424.4A CN201910496424A CN110080083A CN 110080083 A CN110080083 A CN 110080083A CN 201910496424 A CN201910496424 A CN 201910496424A CN 110080083 A CN110080083 A CN 110080083A
- Authority
- CN
- China
- Prior art keywords
- main chord
- lifting
- lifting lug
- chord
- guide chain
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/10—Cantilevered erection
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D4/00—Arch-type bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The present invention relates to a kind of methods of installation basket type steel truss arch main chord.This method is completed by cooperations such as steel truss arch main chord, lifting lug, suspender, lateral connection system, hanging devices.The present invention controls main chord leaning angle by being located at the length of lifting lug on main chord: the length difference of inside and outside two lifting lugs is determined by accurately calculating, so that main chord has just been reached the inclined angle of installation positioning in rigid lifting, reduces the disadvantage that main chord leaning angle is not easy adjustment and monitoring measurement hardly possible in the sky；The interior receipts distance of main chord is controlled by setting lateral connection system: respectively drawing steel cable and guide chain in main chord rear and front end, after ground is left in rod piece lifting, by drawing guide chain that the distance of main chord rear and front end is adjusted to setting value, pose adjustment that is simple in the case where not increasing hanging device hoist burden other than main chord, accurately completing receipts distance in main chord, the weight for reducing measure other than bridge rod piece effectively raises the efficiency of rod piece pose adjustment in the sky.
Description
Technical field
The present invention relates to large-span steel braced arch hoisting technology field, specifically a kind of installation basket type steel truss arch main chord
Method.
Background technique
Chord member is lifted in Arch Bridge Construction at present and mainly uses the whole segment lifting of shoulder pole girder or single rib, single member erection, it is whole
Segment lifting is limited by hanging device, it is desirable that span is big, tonnage is big and needs to be arranged powerful shoulder pole girder, largely
On increase additional hoist；Greatly due to the variation of CFST X-type arch direction across bridge span, unilateral member erection needs transverse adjustment device, but
One powerful anchor point is set in the high-altitude of cantilever and implements extremely difficult, and is very risky, CFST X-type arch member erection
Pose adjustment content is broadly divided into three kinds: the elevation angle, leaning angle, interior receipts distance, wherein leaning angle and interior distance of receiving is the difficulties of lifting
Point, rod piece leaning angle is not easy adjustment in the sky and monitoring measurement is difficult.
Summary of the invention
Present invention seek to address that the above problem, to provide a kind of method of installation basket type steel truss arch main chord, the party
Method reduces the weight of measure other than bridge rod piece, effectively raises the efficiency of rod piece pose adjustment in the sky.
The present invention solves described problem, the technical solution adopted is that:
A method of installation basket type steel truss encircles main chord, includes the following steps:
(1) two main chord is respectively placed in the two sides of steel truss arch, four lifting lugs of installation on the upper surface of each main chord, and four
Lifting lug is arranged in four right angles position of the upper surface of main chord in symmetry shape, positioned at the lifting lug of inside and the lifting lug in outside
Length it is different, the leaning angle of main chord is controlled by the length of lifting lug on main chord, by accurately calculate determine in outside
The length difference of lifting lug, inclined angle when main chord being made just to have reached installation in rigid lifting；
(2) it is separately connected lifting lug and hanging device up and down using suspender, passes through lateral connection between two main chord inside lugs
For system's connection to connect two main chords, lateral connection system includes wirerope and guide chain, one of main chord inside
Two lifting lugs be connected separately with wirerope, two on the inside of another main chord lifting lug is connected separately with guide chain, then by steel
Cord is connected with corresponding guide chain, and wirerope and guide chain are in relaxed state at this time；
(3) stop lifting by crane after main chord being hung ground using hanging device, construction personnel moves to main chord upper surface, by right
Guide chain is drawn to adjust the distance of two main chord rear and front ends to setting value, the interior receipts distance of main chord is to be adjusted at this time
Position；
(4) after operator leaves, reach the elevation angle of main chord by adjusting the differences in height of two suspension hooks before and after hanging device
Steel truss arch main chord is finally hung to specified position according to desired trajectory by cable crane by setting value.
The present invention by adopting the above technical scheme, compared with prior art, the feature protruded is:
This method controls main chord leaning angle by the way that the length of lifting lug on main chord is arranged in: by accurately calculating inside and outside determining
The length difference of two lifting lugs makes main chord just reach the inclined angle of installation positioning in rigid lifting, reduces main chord introversion
Angle is not easy the disadvantage of adjustment and monitoring measurement hardly possible in the sky；The interior receipts distance of main chord is controlled by setting lateral connection system:
After main chord rear and front end respectively draws steel cable and guide chain, rod piece lifting to leave ground, by drawing guide chain will be before and after main chord
The distance at both ends is adjusted to setting value, simple in the case where not increasing hanging device hoist burden other than main chord, accurate
The pose adjustment for receiving distance in main chord is completed, reduces the weight of measure other than bridge rod piece, effectively raises rod piece
The efficiency of pose adjustment in the sky.
Preferably, the further technical solution of the present invention is:
Main chord is connect with lifting lug by high-strength bolt；Suspender is connect by snap ring with lifting lug, and suspender is using flexible suspender belt；Suspender
It hooks on the suspension hook of hanging device, hanging device is cable crane.
Detailed description of the invention
Fig. 1 is schematic view of the front view of the embodiment of the present invention；
Fig. 2 is the partial enlargement structural representation of A in Fig. 1；
Fig. 3 is the overlooking structure diagram of Fig. 1；
Fig. 4 is the left view structural representation of Fig. 1；
In figure: main chord 1；Lifting lug 2；High-strength bolt 3；Deep floor 4；Snap ring 5；Suspender 6；Cable crane suspension hook 7；Wirerope 8；It leads
Chain 9.
Specific embodiment:
Below with reference to embodiment, the invention will be further described, and purpose, which is only that, more fully understands the content of present invention, therefore, institute
The example of act is not intended to limit protection scope of the present invention.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, a method of installation basket type steel truss encircles main chord, includes the following steps:
(1) two main chord 1 is respectively placed in the two sides of steel truss arch, and four lifting lugs 2 are installed on the upper surface of each main chord 1,
Main chord 1 is connect with lifting lug 2 by high-strength bolt 3, and four lifting lugs 2 are in the upper surface that symmetry shape is arranged in main chord 1
Four right angles position, it is different positioned at the lifting lug 2 of inside and the length of lifting lug 2 in outside, pass through the length of lifting lug 2 on main chord 1
Control the leaning angle of main chord 1, by accurately calculate determine in outside lug 2 length difference, make main chord 1 in rigid lifting
Inclined angle when installation is just reached.
(2) it being separately connected lifting lug 2 and cable crane suspension hook 7 using about 6 suspender, suspender 6 is connect by snap ring 5 with lifting lug 2,
Suspender 6 is hung on cable crane suspension hook 7 using flexible suspender belt, suspender 6, passes through lateral connection between two 1 inside lugs 2 of main chord
For system's connection to connect two main chords 1, lateral connection system includes wirerope 8 and guide chain 9, one of main chord 1
Two lifting lugs 2 of inside are connected separately with wirerope 8, and two lifting lugs 2 of another 1 inside of main chord are connected separately with guide chain 9,
Then wirerope 8 is connected with corresponding guide chain 9, wirerope 8 and guide chain 9 are in relaxed state at this time.
(3) stop lifting by crane after main chord 1 being hung ground using cable crane, construction personnel moves to 1 upper surface of main chord, leads to
It crosses to drawing guide chain 9 to adjust the distance of two 1 rear and front ends of main chord to setting value, the interior receipts distance of main chord 1 is at this time
It is adjusted in place.
(4) after operator leaves, make main string by adjusting the differences in height of main chord 1 former and later two cable crane suspension hooks 7
The elevation angle of bar 1 reaches setting value, and main chord 1 is finally hung to specified position according to desired trajectory by cable crane.
Lifting lug 2 is welded by bottom plate and riser, and deep floor 4 is welded between riser two sides and bottom plate, is processed on bottom plate
There is bolt hole, the mounting hole cooperated with snap ring 5 is machined in vertical version, on the deep floor 4 of the lifting lug 2 of 1 inside of main chord
It is machined with the connecting hole for connecting steel wire ropes 8 and guide chain 9, each 1 top surface of main chord sets four lifting lugs 2, main chord 1 and lifting lug
2 are connected by high-strength bolt 3, are equipped with bolt hole on main chord 1 and lifting lug 2, are determined by calculation on each lifting lug 2 and are reserved spiral shell
The quantity of keyhole, high-strength bolt 3 are each passed through the bolt hole on main chord 1 and lifting lug 2.
Lateral connection system includes wirerope 8 and guide chain 9, inside on 8 one end of wirerope and one of 1 upper surface of main chord
Lifting lug 2 be connected, one end of 8 other end of wirerope and guide chain 9 and connection, 9 other end of guide chain and another 1 upper surface of main chord
The lifting lug 2 of upper inside connects.
The line of outside two lifting lugs, 2 top lifting hole(eyelet) central point and the angle of 1 top surface of main chord are equal to main chord in main chord 1
1 leaning angle.
This method controls the leaning angle of main chord 1 by the way that the length of lifting lug 2 on main chord 1 is arranged in, by accurately counting
The length difference for determining inside and outside two lifting lugs 2 is calculated, so that main chord 1 has just been reached the inclined angle of installation positioning in rigid lifting, reduces
1 leaning angle of main chord is not easy the disadvantage of adjustment and monitoring measurement hardly possible in the sky；This method is controlled by setting lateral connection system
Steel cable 8 and guide chain 9 are respectively drawn in the interior receipts distance of main chord 1 processed, 1 rear and front end of main chord, and ground is left in the lifting of main chord 1
Afterwards, by drawing guide chain 9 that the distance of 1 rear and front end of main chord is adjusted to setting value, do not increasing hanging device other than main chord 1
Hoist is simple in the case where bearing, accurately completes the pose adjustment that distance is received in main chord 1, reduces other than bridge rod piece
The weight of measure effectively raises the efficiency of rod piece pose adjustment in the sky.
The foregoing is merely preferably feasible embodiment of the invention, not thereby limiting the scope of the invention,
It is all to use equivalence changes made by description of the invention and its accompanying drawing content, it is intended to be included within the scope of the present invention.
Claims (2)
1. a kind of method of installation basket type steel truss arch main chord, which comprises the steps of:
(1) two main chord is respectively placed in the two sides of steel truss arch, four lifting lugs of installation on the upper surface of each main chord, and four
Lifting lug is arranged in four right angles position of the upper surface of main chord in symmetry shape, positioned at the lifting lug of inside and the lifting lug in outside
Length it is different, the leaning angle of main chord is controlled by the length of lifting lug on main chord, by accurately calculate determine in outside
The length difference of lifting lug, inclined angle when main chord being made just to have reached installation in rigid lifting；
(2) it is separately connected lifting lug and hanging device up and down using suspender, passes through lateral connection between two main chord inside lugs
For system's connection to connect two main chords, lateral connection system includes wirerope and guide chain, one of main chord inside
Two lifting lugs be connected separately with wirerope, two on the inside of another main chord lifting lug is connected separately with guide chain, then by steel
Cord is connected with corresponding guide chain, and wirerope and guide chain are in relaxed state at this time；
(3) stop lifting by crane after main chord being hung ground using hanging device, construction personnel moves to main chord upper surface, by right
Guide chain is drawn to adjust the distance of two main chord rear and front ends to setting value, the interior receipts distance of main chord is to be adjusted at this time
Position；
(4) after operator leaves, reach the elevation angle of main chord by adjusting the differences in height of two suspension hooks before and after hanging device
Steel truss arch main chord is finally hung to specified position according to desired trajectory by cable crane by setting value.
2. the method for installation basket type steel truss arch main chord according to claim 1, it is characterised in that: main chord and lifting lug
It is connected by high-strength bolt；Suspender is connect by snap ring with lifting lug, and suspender is using flexible suspender belt；Suspender hooks hanging in hanging device
On hook, hanging device is cable crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910496424.4A CN110080083B (en) | 2019-06-10 | 2019-06-10 | Method for installing basket type steel truss arch main chord member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910496424.4A CN110080083B (en) | 2019-06-10 | 2019-06-10 | Method for installing basket type steel truss arch main chord member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110080083A true CN110080083A (en) | 2019-08-02 |
| CN110080083B CN110080083B (en) | 2021-08-20 |
Family
ID=67423860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910496424.4A Active CN110080083B (en) | 2019-06-10 | 2019-06-10 | Method for installing basket type steel truss arch main chord member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110080083B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110409322A (en) * | 2019-08-27 | 2019-11-05 | 中铁二局集团有限公司 | A kind of bridge steel upright post hoisting rotary body device and swivel method |
| CN113668391A (en) * | 2021-08-03 | 2021-11-19 | 中交路桥建设有限公司 | Double-width arch rib synchronous installation method of half-through steel box basket arch bridge |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07196284A (en) * | 1994-01-06 | 1995-08-01 | Penta Ocean Constr Co Ltd | Suspension having hydraulic cylinder |
| JPH07252082A (en) * | 1994-03-15 | 1995-10-03 | Nippon Steel Corp | Plural load lifting device and setting method thereof |
| CN2644490Y (en) * | 2003-06-09 | 2004-09-29 | 上海市基础工程公司 | Hoisting, installing and adjusting device for large tonnage arch rib |
| CN202098976U (en) * | 2011-05-10 | 2012-01-04 | 中交第二航务工程局有限公司 | Device capable of freely adjusting sling length and overhead transverse posture of part |
| CN102556835A (en) * | 2012-02-08 | 2012-07-11 | 中铁大桥局集团第五工程有限公司 | Suspender capable of adjusting spatial angle of rod member of steel truss bridge |
| CN102733310A (en) * | 2012-06-29 | 2012-10-17 | 中铁大桥局集团有限公司 | Lifting construction method for arch rib segments of steel box handle-basket arch bridge |
| DE202013104215U1 (en) * | 2013-09-16 | 2013-10-16 | Richard Bauer Rohstoff-Großhandel GmbH & Co. KG | Lifting frame for holding waste containers |
| CN204355946U (en) * | 2014-12-22 | 2015-05-27 | 安徽伟宏钢结构集团股份有限公司 | A kind of device lifting large wt pts |
| CN107338733A (en) * | 2017-08-11 | 2017-11-10 | 中铁上海工程局集团有限公司 | A kind of hanging apparatus and hanging method for adjusting and positioning for steel box arch rib aerial statue |
| US10259687B2 (en) * | 2016-02-25 | 2019-04-16 | Clayton P. Myers | End cap and spreader bar system and method for sizing same |
-
2019
- 2019-06-10 CN CN201910496424.4A patent/CN110080083B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07196284A (en) * | 1994-01-06 | 1995-08-01 | Penta Ocean Constr Co Ltd | Suspension having hydraulic cylinder |
| JPH07252082A (en) * | 1994-03-15 | 1995-10-03 | Nippon Steel Corp | Plural load lifting device and setting method thereof |
| CN2644490Y (en) * | 2003-06-09 | 2004-09-29 | 上海市基础工程公司 | Hoisting, installing and adjusting device for large tonnage arch rib |
| CN202098976U (en) * | 2011-05-10 | 2012-01-04 | 中交第二航务工程局有限公司 | Device capable of freely adjusting sling length and overhead transverse posture of part |
| CN102556835A (en) * | 2012-02-08 | 2012-07-11 | 中铁大桥局集团第五工程有限公司 | Suspender capable of adjusting spatial angle of rod member of steel truss bridge |
| CN102733310A (en) * | 2012-06-29 | 2012-10-17 | 中铁大桥局集团有限公司 | Lifting construction method for arch rib segments of steel box handle-basket arch bridge |
| DE202013104215U1 (en) * | 2013-09-16 | 2013-10-16 | Richard Bauer Rohstoff-Großhandel GmbH & Co. KG | Lifting frame for holding waste containers |
| CN204355946U (en) * | 2014-12-22 | 2015-05-27 | 安徽伟宏钢结构集团股份有限公司 | A kind of device lifting large wt pts |
| US10259687B2 (en) * | 2016-02-25 | 2019-04-16 | Clayton P. Myers | End cap and spreader bar system and method for sizing same |
| CN107338733A (en) * | 2017-08-11 | 2017-11-10 | 中铁上海工程局集团有限公司 | A kind of hanging apparatus and hanging method for adjusting and positioning for steel box arch rib aerial statue |
Non-Patent Citations (1)
| Title |
|---|
| 蒋平江等: "蒙华铁路洛河钢管砼拱桥拱肋吊装施工技术", 《河南科学》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110409322A (en) * | 2019-08-27 | 2019-11-05 | 中铁二局集团有限公司 | A kind of bridge steel upright post hoisting rotary body device and swivel method |
| CN110409322B (en) * | 2019-08-27 | 2024-05-31 | 中铁二局集团有限公司 | Bridge steel upright post hoisting and turning device and turning method |
| CN113668391A (en) * | 2021-08-03 | 2021-11-19 | 中交路桥建设有限公司 | Double-width arch rib synchronous installation method of half-through steel box basket arch bridge |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110080083B (en) | 2021-08-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109969946A (en) | A kind of diaphram wall steel reinforcement cage hoisting and hanging construction safety method | |
| CN202080812U (en) | Dedicated sling system for large-scaled reinforcing cage | |
| CN205489264U (en) | Hydraulic pressure assembled crossing structure | |
| CN102733615B (en) | Unsymmetrical integral lifting construction method | |
| CN109911770B (en) | Construction method for hoisting gantry crane | |
| CN110080083A (en) | The method for installing basket type steel truss arch main chord | |
| CN205576744U (en) | Special jack -up hoist is erect to cable -stay bridge cordless district large -tonnage steel case girder segment section | |
| CN205296844U (en) | Precast box girder steel strand wires hoisting point | |
| CN212270712U (en) | Construction device for mounting and dismounting steel box girder by suspension of bridge girder erection machine | |
| CN114314323A (en) | Prefabricated part lifting appliance and lifting deviation rectifying method | |
| CN107419665B (en) | Large-span steel beam hoisting sling and steel beam hoisting method thereof | |
| CN207078903U (en) | It is a kind of to be used to lift the lower spreader assembly of large span arc multilayer steel truss and lower sling system | |
| CN206458074U (en) | A kind of aerial work basket outer support support | |
| CN108217429A (en) | A kind of assemble type hanger and hanging method | |
| CN110040632A (en) | A kind of segmental hoisting construction method of large span section steel beam | |
| CN214301281U (en) | Construction platform for connecting steel truss girder and bridge deck slab | |
| CN108755383A (en) | Steel construction arch bridge is using short button tower or the segmentation integral hoisting method without button tower | |
| CN104085832A (en) | Flexible component lifting device and lifting method thereof | |
| CN106495026B (en) | Construction tower crane temporarily builds attachment | |
| CN215160368U (en) | Be used for climbing frame and demolish artifical hoisting device | |
| CN112854012B (en) | Cable crane for suspension bridge with four main cables | |
| CN110316649A (en) | A kind of suspender and hanging method suitable for irregular truss | |
| CN208265608U (en) | Large-tonnage hoisting device for reinforcement cage | |
| CN207143742U (en) | A kind of large-span steel girder hoisting appliance | |
| CN109132839B (en) | The boom hoisting of building block unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210803 Address after: 300000 Shuanggang Township, Jinnan District, Tianjin Applicant after: CHINA RAILWAY 18TH BUREAU GROUP Co.,Ltd. Applicant after: THE 2ND ENGINEERING CO., LTD OF CHINA RAILWAY 18TH BUREAU GROUP Co.,Ltd. Applicant after: China Railway 18th Bureau Group South Engineering Co., Ltd Address before: 064000 No.14 community, Fengrun District, Tangshan City, Hebei Province (No.8, Guanghua Road) Applicant before: THE 2ND ENGINEERING CO., LTD OF CHINA RAILWAY 18TH BUREAU GROUP Co.,Ltd. Applicant before: CHINA RAILWAY 18TH BUREAU GROUP Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |