CN108252224A - It is a kind of that the method for moving hoisting steel beam is swung using the collaboration of dual stage deck unit erection gantry - Google Patents
It is a kind of that the method for moving hoisting steel beam is swung using the collaboration of dual stage deck unit erection gantry Download PDFInfo
- Publication number
- CN108252224A CN108252224A CN201810139059.7A CN201810139059A CN108252224A CN 108252224 A CN108252224 A CN 108252224A CN 201810139059 A CN201810139059 A CN 201810139059A CN 108252224 A CN108252224 A CN 108252224A
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- CN
- China
- Prior art keywords
- deck unit
- unit erection
- erection gantry
- girder steel
- gantry
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- 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.)
- Pending
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Classifications
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- 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
Abstract
The present invention provides a kind of method swung using the collaboration of dual stage deck unit erection gantry and move hoisting steel beam, and the first deck unit erection gantry is set on the main push-towing rope of Sarasota main span side, the second deck unit erection gantry is set on the main push-towing rope of end bay side；Second deck unit erection gantry removes suspender, and lifting rope on the suspender of first deck unit erection gantry with connecting；Girder steel to be installed is lifted by crane by the first deck unit erection gantry, the lifting rope of the second deck unit erection gantry is in relaxed state always during lifting, it is ensured that the first deck unit erection gantry is by girder steel vertical lifting；Girder steel is promoted to higher than after bridge floor 3m by the first deck unit erection gantry, gradually the lifting rope of the second deck unit erection gantry of tightening makes its stress, the lifting rope of the first deck unit erection gantry of synchronous decentralization simultaneously, make to be hung girder steel gradually to the movement of Sarasota centerline direction, until being moved to the surface of girder steel design installation site, realize that girder steel swings shifting；First deck unit erection gantry and the second deck unit erection gantry synchronize decentralization lifting rope, and girder steel is made to drop to design installation site, steel girder erection is fixed.
Description
Technical field
The invention belongs to suspension bridge construction technical field, when being related to a kind of suspension cable bridge section lifting, to privileged sites beam section
The method for swing shifting, and in particular to dual stage deck unit erection gantry is utilized to cooperate to realize that privileged sites beam section is steadily swung to a kind of
The method for moving lifting.
Background technology
Suspension bridge in beam section lifting construction, generally use deck unit erection gantry beam section to be installed is lifted by crane and be transported to treat holding position with
Beam section docking has been installed.Since deck unit erection gantry is vertical lifting, and to walk on main push-towing rope, and in certain special portions of suspension bridge
Position such as the 0# beam sections of Sarasota root, due to being in non-stayed cable segment, and is located at view field immediately below Sarasota upper beam, deck unit erection gantry
It can not walk to the surface of 0# beam sections position to be installed, spatially once cannot vertically lift by crane in place.At present to such
The lifting of beam section is to use shifting method of swinging, i.e. deck unit erection gantry lifts by crane beam section and gone at Sarasota from span centre skidding, while in end bay
Set in curb girder section a hoist engine and anchoring transfer, by hoist engine draw deck unit erection gantry lift by crane beam section to tower root by
Step offset is until predetermined installation site.The above method needs to set powerful anchoring transfer in end bay, and is steel to end bay
The suspension bridge of truss structure is not easy to set effectively setting anchor point, thus increases difficulty of construction；Since anchoring transfer is high
Degree is fixed, and when needing to be tilted a certain angle in the steel girder erection for being swung shifting, the above method is not easy to realize；And above-mentioned swing shifting
Method complex procedures, it is also necessary to additional construction equipment be provided, increase construction cost.
Invention content
It is an object of the invention to drawbacks described above existing for swinging shifting method for tradition, provide and a kind of utilize dual stage deck unit erection gantry
The method for moving hoisting steel beam is swung in collaboration, is realized that girder steel to be installed swings shifting using existing equipment, is reduced construction equipment input, reduce into
This, and simplify process, improve construction efficiency.
Technical scheme is as follows：
It is a kind of that the method for moving hoisting steel beam is swung using the collaboration of dual stage deck unit erection gantry, it is characterised in that include the following steps：
(1) the first deck unit erection gantry on the main push-towing rope of Sarasota main span side is set, the second cable is set to carry on the main push-towing rope of end bay side
Loop wheel machine；Second deck unit erection gantry removes suspender, will be on the suspender of the lifting rope of the second deck unit erection gantry and first deck unit erection gantry
Cunning case connection；
(2) girder steel to be installed is lifted by crane by first deck unit erection gantry, the lifting rope of the second deck unit erection gantry is located always during lifting
It does not stress in relaxed state, it is ensured that the first deck unit erection gantry is by girder steel vertical lifting；
Girder steel is promoted to higher than after bridge floor 3m by (3) first deck unit erection gantries, and gradually the lifting rope of the second deck unit erection gantry of tightening makes
Its stress, while the lifting rope of the first deck unit erection gantry of synchronous decentralization make to be hung girder steel gradually to the movement of Sarasota centerline direction, until
The surface of girder steel design installation site is moved to, realizes that girder steel swings shifting；
(4) first deck unit erection gantries and the second deck unit erection gantry synchronize decentralization lifting rope, and girder steel is made to drop to design installation site, will
Steel girder erection is fixed.
Further, in the above method, the lifting rope of the first deck unit erection gantry promotes anchor and the cunning on suspender by first
Case connects, and described first promotes anchor is rotatablely connected by the cunning case on axis pin and suspender；The lifting rope of second deck unit erection gantry
Connection second promotes anchor, and second promotes anchor is rotatablely connected by one end of axis pin and a steel plate suspender belt, described
The other end of steel plate suspender belt is rotatablely connected with the cunning case on the suspender of the first deck unit erection gantry by axis pin.
The present invention coordinates cooperative achievement girder steel using construction site existing equipment, that is, deck unit erection gantry using two deck unit erection gantries
Swing shifting, without end bay provide anchor point, without provide additional machinery equipment, at low cost, process is simple, construction efficiency
It is high.The present invention transfers length i.e. in the case of girder steel needs are tilted a certain angle, by the lifting rope for controlling two loop wheel machines respectively
It can simple realization.
Description of the drawings
Fig. 1 is two loop wheel machine collaborative work schematic diagrams of the present invention；
Fig. 2 is that girder steel is swung to the status diagram for moving on to position；
Fig. 3 is the lifting rope of two loop wheel machines and the attachment structure schematic diagram of suspender；
Fig. 4 is status diagram when present invention control girder steel is tilted a certain angle.
Specific embodiment
As shown in Figure 1, the specific embodiment of the invention is as follows：
First deck unit erection gantry 3 on the main push-towing rope 2 of 1 main span side of Sarasota is set first, second is set on the main push-towing rope 2 of end bay side
Deck unit erection gantry 4；Second deck unit erection gantry 4 removes suspender, by the lifting rope 6 of the second deck unit erection gantry 4 and first deck unit erection gantry 3
Suspender 7 on cunning case connection；
Girder steel 8 to be installed is lifted by crane by first deck unit erection gantry 3, the lifting rope 6 of the second deck unit erection gantry 4 is located always during lifting
It does not stress in relaxed state, it is ensured that the first deck unit erection gantry 3 is by 8 vertical lifting of girder steel；
As shown in Fig. 2, girder steel 8 is promoted to higher than after bridge floor 3m by the first deck unit erection gantry 3, the second deck unit erection gantry is gradually tightened
4 lifting rope 6 makes its stress, while the lifting rope 5 of the first deck unit erection gantry of synchronous decentralization, under the traction of the second deck unit erection gantry 4, make by
It hangs girder steel 8 gradually to move to 1 centerline direction of Sarasota, until being moved to the surface of girder steel design installation site, realizes girder steel 8
Swing shifting；
First deck unit erection gantry 3 and 4 synchronous decentralization lifting rope 5 and 6 of the second deck unit erection gantry, make girder steel 8 drop to design installation position
It puts, steel girder erection is fixed.
As shown in figure 3, the lifting rope 5 of the first deck unit erection gantry 3 promotes anchor 9 and the cunning case 10 on suspender 7 by first
Connection, the first promotion anchor 9 are rotatablely connected by axis pin and the cunning case 10 on suspender；Second deck unit erection gantry 4 is hung
6 connection second of rope promotes anchor 11, and second promotes anchor 11 is rotated by one end of axis pin and a steel plate suspender belt 12
Connection, the other end of the steel plate suspender belt 12 are rotatablely connected with the cunning case 10 on the suspender of the first deck unit erection gantry by axis pin.The
Before the lifting of one deck unit erection gantry 3, the cunning case 10 of suspender is first adjusted to appropriate location by oil cylinder 13 along the slip of snap-gauge 14, when ensureing lifting
Girder steel keeps balance.Lifting rope will be tilted a certain angle during due to swinging shifting, and the present invention is by the promotion anchor of deck unit erection gantry with hanging
The cunning case rotation connection of tool, promotes anchor and is rotated with the move angle of girder steel, make direction and the power of loop wheel machine lifting force
Direction of transfer is consistent, reduces the loss of power.
Since bridge floor may design certain slope, to adapt to design grade, when steel girder erection, possibly tilts certain angle
Degree, swings shifting using traditional hoist engine, since anchoring transfer height is fixed, is not easy to realize that girder steel angle adjusts.And this hair
It is bright to be cooperated using two deck unit erection gantries, girder steel angle of inclination can be adjusted flexibly.State as shown in Figure 4, when girder steel 8 is installed
It needs to tilt 1.5 ° of angles, the decentralization of the lifting rope 5 and 6 by controlling the first deck unit erection gantry 3 and the second deck unit erection gantry 4 respectively to main span
Length can simple realization.
Claims (3)
1. a kind of swing the method for moving hoisting steel beam using the collaboration of dual stage deck unit erection gantry, it is characterised in that includes the following steps：
(1) the first deck unit erection gantry on the main push-towing rope of Sarasota main span side is set, the second deck unit erection gantry is set on the main push-towing rope of end bay side；
Second deck unit erection gantry removes suspender, by the cunning case on the suspender of the lifting rope of the second deck unit erection gantry and first deck unit erection gantry
Connection；
(2) girder steel to be installed is lifted by crane by first deck unit erection gantry, the lifting rope of the second deck unit erection gantry is always in pine during lifting
Relaxation state does not stress, it is ensured that the first deck unit erection gantry is by girder steel vertical lifting；
Girder steel is promoted to higher than after bridge floor 3m by (3) first deck unit erection gantries, gradually tighten the lifting rope of the second deck unit erection gantry make its by
Power, while the lifting rope of the first deck unit erection gantry of synchronous decentralization make to be hung girder steel gradually to the movement of Sarasota centerline direction, until mobile
To the surface of girder steel design installation site, realize that girder steel swings shifting；
(4) first deck unit erection gantries and the second deck unit erection gantry synchronize decentralization lifting rope, girder steel are made to drop to design installation site, by girder steel
Installation is fixed.
2. according to claim 1 swing the method for moving hoisting steel beam using the collaboration of dual stage deck unit erection gantry, it is characterised in that：The
The lifting rope of one deck unit erection gantry is connect by the first promotion anchor with the cunning case on suspender, and the first promotion anchor leads to
Axis pin is crossed to be rotatablely connected with the cunning case on suspender；The lifting rope connection second of second deck unit erection gantry promotes anchor, and second is promoted
Anchor is rotatablely connected by one end of axis pin and a steel plate suspender belt, the other end and the first deck unit erection gantry of the steel plate suspender belt
Suspender on cunning case be rotatablely connected by axis pin.
3. according to claim 1 swing the method for moving hoisting steel beam using the collaboration of dual stage deck unit erection gantry, it is characterised in that：
In the step (4), if girder steel needs are tilted a certain angle, by the way that the first deck unit erection gantry and the second cable is controlled to carry and hang respectively
The lifting rope decentralization length of machine, control girder steel reach the angle of inclination of needs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810139059.7A CN108252224A (en) | 2018-02-11 | 2018-02-11 | It is a kind of that the method for moving hoisting steel beam is swung using the collaboration of dual stage deck unit erection gantry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810139059.7A CN108252224A (en) | 2018-02-11 | 2018-02-11 | It is a kind of that the method for moving hoisting steel beam is swung using the collaboration of dual stage deck unit erection gantry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108252224A true CN108252224A (en) | 2018-07-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810139059.7A Pending CN108252224A (en) | 2018-02-11 | 2018-02-11 | It is a kind of that the method for moving hoisting steel beam is swung using the collaboration of dual stage deck unit erection gantry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108252224A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113152299A (en) * | 2021-04-23 | 2021-07-23 | 中交第二航务工程局有限公司 | Cable-stayed bridge steel beam segment swinging device and hoisting method |
| CN113753748A (en) * | 2021-09-14 | 2021-12-07 | 三一海洋重工有限公司 | Lifting appliance upper frame anchoring device, control method, controller and crane |
Citations (4)
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|---|---|---|---|---|
| CN101684639A (en) * | 2009-08-28 | 2010-03-31 | 中国第一冶金建设有限责任公司 | Process method for construction of steel-structured suspension bridge and light type cable carrying crane specially used in same |
| CN204298743U (en) * | 2014-11-29 | 2015-04-29 | 柳州欧维姆机械股份有限公司 | Rope traction and the all-hydraulic deck unit erection gantry of lifting |
| KR20160063307A (en) * | 2016-05-24 | 2016-06-03 | 주식회사 케이블브릿지 | Structure and method of constructing segment palte for cable bridge |
| CN106522097A (en) * | 2016-11-02 | 2017-03-22 | 中交第二航务工程局有限公司 | Self-adaptive cable cranes for extra large space-cross cable face suspension bridge girder erection |
-
2018
- 2018-02-11 CN CN201810139059.7A patent/CN108252224A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101684639A (en) * | 2009-08-28 | 2010-03-31 | 中国第一冶金建设有限责任公司 | Process method for construction of steel-structured suspension bridge and light type cable carrying crane specially used in same |
| CN101684639B (en) * | 2009-08-28 | 2011-06-08 | 中国一冶集团有限公司 | Process method for construction of steel-structured suspension bridge and light type cable carrying crane specially used in same |
| CN204298743U (en) * | 2014-11-29 | 2015-04-29 | 柳州欧维姆机械股份有限公司 | Rope traction and the all-hydraulic deck unit erection gantry of lifting |
| KR20160063307A (en) * | 2016-05-24 | 2016-06-03 | 주식회사 케이블브릿지 | Structure and method of constructing segment palte for cable bridge |
| CN106522097A (en) * | 2016-11-02 | 2017-03-22 | 中交第二航务工程局有限公司 | Self-adaptive cable cranes for extra large space-cross cable face suspension bridge girder erection |
Non-Patent Citations (1)
| Title |
|---|
| 薛光雄等: "海沧大桥钢箱梁吊装施工方案", 《中国公路学会桥梁和结构工程学会一九九九年桥梁学术讨论会论文集 》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113152299A (en) * | 2021-04-23 | 2021-07-23 | 中交第二航务工程局有限公司 | Cable-stayed bridge steel beam segment swinging device and hoisting method |
| CN113152299B (en) * | 2021-04-23 | 2023-07-04 | 中交第二航务工程局有限公司 | Cable-stayed bridge girder segment swinging device and hoisting method |
| CN113753748A (en) * | 2021-09-14 | 2021-12-07 | 三一海洋重工有限公司 | Lifting appliance upper frame anchoring device, control method, controller and crane |
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| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180706 |
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| WD01 | Invention patent application deemed withdrawn after publication |