CN110565527B - Method for installing prestressed T-beam on non-rotating synchronous double-lifting-hoisting sea - Google Patents
Method for installing prestressed T-beam on non-rotating synchronous double-lifting-hoisting sea Download PDFInfo
- Publication number
- CN110565527B CN110565527B CN201910721015.XA CN201910721015A CN110565527B CN 110565527 B CN110565527 B CN 110565527B CN 201910721015 A CN201910721015 A CN 201910721015A CN 110565527 B CN110565527 B CN 110565527B
- Authority
- CN
- China
- Prior art keywords
- lifting
- deck
- prestressed
- rotating synchronous
- barge
- 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.)
- Active
Links
Images
Classifications
-
- 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
-
- 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
- E01D21/06—Methods or apparatus specially adapted for erecting or assembling bridges by translational movement of the bridge or bridge sections
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
Abstract
The invention discloses a method for installing a prestressed T beam on the sea by a non-rotating synchronous double lifting crane, which comprises the steps of fixing two crawler cranes on a barge deck, taking and mounting the beam by adopting the non-rotating synchronous lifting crane process, controlling the installation position of the T beam only by lifting and lowering a suspension arm and adjusting the suspension distance in the lifting and mounting processes, and effectively reducing the potential safety hazard of construction; secondly, arranging two lifting type rail translation vehicles and a beam storage platform seat on the deck to finish the transportation and storage of the T beam on the deck; and finally, four anchor machines are arranged in the left front, right front, left back and right back directions of the barge, and two winches are arranged on the ship board corresponding to the two crawler cranes, so that the barge is stably and accurately positioned in the process of mounting and taking the beam. Through field practice, the method for installing the prestressed T beam on the non-rotating synchronous double-lifting-hoisting sea is safe and controllable in quality, can effectively reduce the construction cost and improve the construction efficiency, and can be popularized and applied to similar projects.
Description
Technical Field
The invention relates to a method for installing a prestressed T beam on the sea by non-rotating synchronous double lifting and hanging.
Background
A prestressed T-beam is installed on the sea, a crane ship is generally adopted, meanwhile, another formula is needed to be arranged for transporting the T-beam, and in the actual construction process, if the crane ship is lack of resources or the crane ship is high in renting cost, the construction efficiency is seriously influenced.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a method for installing a prestressed T beam on the sea by non-rotating synchronous double lifting, which realizes the whole process of shipping, transporting and installing the prestressed T beam, saves the construction cost and ensures the construction efficiency.
In order to achieve the purpose, the invention discloses a method for installing a prestressed T beam on non-rotating synchronous double-lifting-hoisting sea, which comprises the following steps:
s1, fixing two crawler cranes on a deck of a barge, taking and mounting beams by adopting a non-rotating synchronous lifting and hanging process, and controlling the mounting position of the T beam by lifting and lowering a suspension arm and adjusting the suspension distance in the lifting and mounting processes;
s2, arranging a beam storage pedestal and two liftable rail translation vehicles on the deck to finish the transportation and storage of the T beam on the deck;
s3, four anchor machines are arranged at the left front position, the right front position, the left rear position and the right rear position of the barge, and two winches are arranged at the positions of the ship board corresponding to the two crawler cranes, so that the barge is stably and accurately positioned in the process of mounting and taking the girder.
In step S1, a thick steel plate is laid on the deck of the crawler crane at the installation position, and the periphery and the joints of the thick steel plate are welded to the deck.
In step S1, the crawler crane is fixed by using the steel section.
As an improvement, in step S2, the two liftable rail translation vehicles run synchronously.
As an improvement, each liftable track translation vehicle is provided with two steel rails, a pressing plate is welded on a deck, vehicle stops are welded on the decks at two ends of each steel rail, and each liftable track translation vehicle is provided with a limiter and a rail clamping device.
In step S2, a C40 cast-in-place reinforced concrete is used as the beam storage pedestal, 4 channels are arranged at four corners of the beam storage pedestal, and the bottom channel is welded to the reinforcing steel plate.
Compared with the prior art, the method has the advantages that two crawler cranes are fixed on a barge deck, the beams are taken and installed by adopting a non-rotating synchronous lifting crane process, and the T-beam installation position is controlled only by lifting the lifting arm and adjusting the lifting distance in the lifting and installing processes, so that the potential safety hazard of construction can be effectively reduced; secondly, arranging two lifting type rail translation vehicles and a beam storage platform seat on the deck to finish the transportation and storage of the T beam on the deck; and finally, four anchor machines are arranged in the left front, right front, left back and right back directions of the barge, and two winches are arranged on the ship board corresponding to the two crawler cranes, so that the barge is stably and accurately positioned in the process of mounting and taking the beam.
Drawings
FIG. 1 is a top view of the structure of the present invention;
in the figure: 1. the method comprises the following steps of (1) square barge, (2) an anchor machine, (3) a crawler crane, (4) a beam storage pedestal, (5) a liftable track translation vehicle, (6) a winch, (7) a hoisting frame, (8) and a prestressed T beam.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
As shown in fig. 1, a method for installing a prestressed T-beam at sea by non-rotating synchronous double lifting comprises the following steps:
s1, fixing two crawler cranes 3 on the deck of the barge 1, taking and installing beams by adopting a non-rotating synchronous lifting process, and controlling the installation position of the T beam by lifting and lowering the boom and adjusting the crane span in the lifting and installing processes; because the large-scale component is installed in a hoisting mode of the crawler cranes, the synchronous operation difficulty is high, and therefore in the hoisting and installing processes, the two crawler cranes control the T-beam installation position only by lifting the hoisting arms to adjust the hoisting distance, and the safety risk caused by asynchronous crane matching is reduced;
s2, arranging a beam storage pedestal 4 and two liftable track translation vehicles 5 on the deck to finish the transportation and storage of the T beam on the deck;
s3, arranging four anchor machines 2 at the front left position, the front right position, the rear left position and the rear right position of the barge 1, and installing two winches 6 at the shipboard positions corresponding to the two crawler cranes 3 to realize the stable and accurate positioning of the barge 1 in the processes of beam mounting and beam taking.
In step S1, a thick steel plate is laid on the deck of the crawler crane at the installation position, and the periphery and the joints of the thick steel plate are welded to the deck.
In step S1, the crawler crane is fixed by using the steel section.
As an improvement, in step S2, the two liftable rail translation vehicles run synchronously.
As an improvement, each liftable track translation vehicle is provided with two steel rails, a pressing plate is welded on a deck, vehicle stops are welded on the decks at two ends of each steel rail, and each liftable track translation vehicle is provided with a limiter and a rail clamping device.
In step S2, a C40 cast-in-place reinforced concrete is used as the beam storage pedestal, 4 channels are arranged at four corners of the beam storage pedestal, and the bottom channel is welded to the reinforcing steel plate.
Example 1
A method for installing a prestressed T beam on the sea by non-rotating synchronous double lifting cranes, which takes a wharf matched with a Shenhua Hua Yini Java No. 7 2 x 1050MW coal-fired power generation project and a bridge approach project of a water taking and discharging facility project as an example, comprises the following steps:
(1) improvement of square barge
Firstly, two crawler cranes are fixed
The reinforcing positions of the two crawler cranes 3 meet the requirements of the hoisting distance in the T-beam shipping and mounting processes;
in order to strengthen the rigidity of the deck, thick steel plates are laid at the installation positions of the crawler cranes 3, and the peripheries and seams of the steel plates are welded with the deck; in order to avoid potential safety hazards caused by the displacement of the crawler crane during operation, the crawler crane 3 is fixed by profile steel, vehicle stops are arranged at the front and the rear of the two crawlers respectively, and the profile steel is welded with a reinforced steel plate;
② arrangement of rail translation vehicle
In the process of shipping and installing the prestressed T-beam 8, the displacement on the barge 1 is completed through a liftable track translation vehicle 5, a synchronizing device is installed on the translation vehicle, two translation vehicles are controlled to synchronously run through a remote controller, the liftable track translation vehicle 5 is arranged on the inner side of a beam storage table seat 4, each translation vehicle is provided with two steel rails, a pressing plate is welded on a deck, vehicle stops are welded on decks at two ends of each steel rail, and the translation vehicles are provided with a limiter and a rail clamp;
thirdly, arranging beam storage pedestal
Two beam storage platforms 4 are arranged on the outer side of the liftable rail translation trolley 5, C40 cast-in-place reinforced concrete is adopted, four channel steel are arranged at four corners, the bottom channel steel is welded with a reinforcing steel plate, a fixed T-beam fixing frame is arranged on one side, away from the crane, of the platform seat and is formed by welding channel steel;
installing anchor system
In order to ensure the stability of the ship in the T-beam installation process and realize the accurate positioning of the ship, four anchor machines are arranged at the left front, right front, left rear and right rear positions of the ship; meanwhile, two winches are arranged at the positions of the ship boards corresponding to the two crawler cranes and used for tightening cables and adjusting the distance between the barge and the cross beam;
(2) method for guaranteeing non-rotation synchronous lifting of two crawler cranes
Firstly, loading and installing a prestressed T-beam by adopting two crawler cranes to hoist the T-beam through a hoisting frame 7;
in order to realize non-rotation synchronous lifting of 2 crawler cranes, an inclinometer is arranged on a crane boom, a reading device is arranged in a cab of the other crane, so that the other crane can read the angle of the other crane boom, and a crane driver adjusts the angle of the boom by comparing the angles of the two crane booms, thereby achieving the aim of synchronization;
secondly, in order to further ensure the synchronism of the lifting and dropping rods of the 2 tracks, a swinging needle type marine inclinometer is installed on the hoisting frame, a crane driver and a hoisting command observe the inclination condition of the hoisting frame in real time, and the inclination of the hoisting frame is not more than 2.5 degrees in the construction operation process.
Through field practice, the method for installing the prestressed T beam on the non-rotating synchronous double-lifting-hoisting sea is safe and controllable in quality, can effectively reduce the construction cost and improve the construction efficiency, and can be popularized and applied to similar projects.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. A method for installing a prestressed T beam on the sea by non-rotating synchronous double lifting and hoisting is characterized by comprising the following steps:
s1, fixing two crawler cranes on a deck of a barge, taking and mounting beams by adopting a non-rotating synchronous lifting and hanging process, and controlling the mounting position of the T beam by lifting and lowering a suspension arm and adjusting the suspension distance in the lifting and mounting processes;
s2, arranging a beam storage pedestal and two liftable rail translation vehicles on the deck to finish the transportation and storage of the T beam on the deck;
s3, four anchor machines are arranged at the left front position, the right front position, the left rear position and the right rear position of the barge, and two winches are arranged at the positions of the ship board corresponding to the two crawler cranes, so that the barge is stably and accurately positioned in the process of mounting and taking the girder.
2. The method for offshore installation of the prestressed T-beam by means of the non-rotating synchronous double lifting crane according to claim 1, wherein in the step S1, the crawler crane is laid with thick steel plates at the installation positions on the deck, and the peripheries and the joints of the thick steel plates are welded with the deck.
3. The method for offshore installation of the prestressed T-beam by non-rotating synchronous double lifting cranes as claimed in claim 1, wherein in step S1, the crawler cranes are fixed by using section steel.
4. The method for offshore installation of the prestressed T-beam by non-rotating synchronous double lifting and hoisting according to claim 1, wherein in step S2, two liftable rail translatory vehicles run synchronously.
5. The method for installing the prestressed T-beam at sea by using the non-rotating synchronous double-lifting crane as claimed in claim 4, wherein each liftable rail translation vehicle is provided with two steel rails, a pressing plate is adopted to weld the two steel rails on a deck, car stops are welded on decks at two ends of each steel rail, and each liftable rail translation vehicle is provided with a stopper and a rail clamping device.
6. The method for offshore installation of the prestressed T-beam by non-rotating synchronous double lifting crane according to claim 1, wherein in step S2, the beam storage platform is made of C40 cast-in-place reinforced concrete, 4 steel channels are arranged at four corners, and the bottom steel channel is welded with the reinforced steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910721015.XA CN110565527B (en) | 2019-08-06 | 2019-08-06 | Method for installing prestressed T-beam on non-rotating synchronous double-lifting-hoisting sea |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910721015.XA CN110565527B (en) | 2019-08-06 | 2019-08-06 | Method for installing prestressed T-beam on non-rotating synchronous double-lifting-hoisting sea |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110565527A CN110565527A (en) | 2019-12-13 |
| CN110565527B true CN110565527B (en) | 2021-03-19 |
Family
ID=68774716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910721015.XA Active CN110565527B (en) | 2019-08-06 | 2019-08-06 | Method for installing prestressed T-beam on non-rotating synchronous double-lifting-hoisting sea |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110565527B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113136802B (en) * | 2021-03-18 | 2022-06-17 | 长江武汉航道工程局 | Hoisting method for T beam of crawler crane double-crane hoisting |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2580687A1 (en) * | 1985-04-23 | 1986-10-24 | Wieczorek Julien | Methods for construction, industrial installations and special plant-ships for building giant metal structures |
| CN1851137A (en) * | 2006-04-27 | 2006-10-25 | 中铁一局集团有限公司 | Gate-type crane semiarch integral-hoisting steel-pipe arch process |
| CN101774422A (en) * | 2009-12-30 | 2010-07-14 | 天津市海王星海上工程技术有限公司 | Novel offshore installation construction resource-combined type pontoon barge |
| CN101914896A (en) * | 2010-06-29 | 2010-12-15 | 中铁十局集团有限公司 | Precast beam artificial sliding boat translation system |
| CN103879905A (en) * | 2014-03-17 | 2014-06-25 | 江苏华西村海洋工程服务有限公司 | Arm frame backward moving type floating crane ship and moving method thereof |
| CN107905116A (en) * | 2017-12-19 | 2018-04-13 | 中机建重工有限公司 | Construction method of large-span through type rigid tied steel arch bridge |
| CN108360385A (en) * | 2018-03-03 | 2018-08-03 | 中交第二航务工程局有限公司 | A kind of steel box-girder lifting limiting buffer construction method |
-
2019
- 2019-08-06 CN CN201910721015.XA patent/CN110565527B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2580687A1 (en) * | 1985-04-23 | 1986-10-24 | Wieczorek Julien | Methods for construction, industrial installations and special plant-ships for building giant metal structures |
| CN1851137A (en) * | 2006-04-27 | 2006-10-25 | 中铁一局集团有限公司 | Gate-type crane semiarch integral-hoisting steel-pipe arch process |
| CN101774422A (en) * | 2009-12-30 | 2010-07-14 | 天津市海王星海上工程技术有限公司 | Novel offshore installation construction resource-combined type pontoon barge |
| CN101914896A (en) * | 2010-06-29 | 2010-12-15 | 中铁十局集团有限公司 | Precast beam artificial sliding boat translation system |
| CN103879905A (en) * | 2014-03-17 | 2014-06-25 | 江苏华西村海洋工程服务有限公司 | Arm frame backward moving type floating crane ship and moving method thereof |
| CN107905116A (en) * | 2017-12-19 | 2018-04-13 | 中机建重工有限公司 | Construction method of large-span through type rigid tied steel arch bridge |
| CN108360385A (en) * | 2018-03-03 | 2018-08-03 | 中交第二航务工程局有限公司 | A kind of steel box-girder lifting limiting buffer construction method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110565527A (en) | 2019-12-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110773845B (en) | Assembling and welding method for ship superstructure subsection | |
| CN102602712B (en) | Method for shipping of segments of steel box girders by rolling | |
| CN203638060U (en) | Bulkhead type lifting scaffold tooling | |
| CN105947109A (en) | Process for hoisting whole assembly section of upper-layer building living zone of ship | |
| CN103057663B (en) | Underwater installation process of removable deck of million-ton roll-on-roll-off ship | |
| CN110525578B (en) | Pod installation device and method | |
| CN110937096B (en) | Ship chimney desulfurization modification process | |
| CN110565527B (en) | Method for installing prestressed T-beam on non-rotating synchronous double-lifting-hoisting sea | |
| CN110901851A (en) | Ship large-scale equipment broadside installation device | |
| CN105484162A (en) | Device and method for secondary swing and shift of onshore stiffening beams for construction of suspension bridge | |
| CN111039169A (en) | Ship equipment module hoisting method | |
| CN103171976A (en) | Hoisting method for shipyard gantry crane | |
| CN202689016U (en) | Cofferdam assembling and lifting platform for double-wall steel cofferdam construction of deep-water bridge pier | |
| CN102381438B (en) | Wholly lifting mounting method for wholly built upstairs stem section of large-size semi-submerged ship | |
| CN103395478B (en) | A kind of marine wind turbine whole machine is transported and installs complete special equipment | |
| CN203715209U (en) | Ship body section-by-section lifting welding device | |
| JP2009091816A (en) | Method and device for constructing bridge | |
| JP2017159968A (en) | Method for fixing portal crane | |
| WO2023279548A1 (en) | Method and system for mounting large steel bridge | |
| KR20110079432A (en) | Stabilized container crane with improved legs | |
| CN104259808A (en) | Offshore derrick splicing and integrally hanging boarding method | |
| CN216034941U (en) | Shipping support binding device suitable for overlong steel structure bridge | |
| CN212450340U (en) | Ship-linking type crane structure | |
| CN112777484A (en) | Hoisting method of goods shelf | |
| CN114108466B (en) | Segmental beam prefabrication site and method for carrying segmental beams on wharf |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |