CN201619942U - Special hoisting tool for hoisting super large block of steel box girder - Google Patents
Special hoisting tool for hoisting super large block of steel box girder Download PDFInfo
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- CN201619942U CN201619942U CN2010200026738U CN201020002673U CN201619942U CN 201619942 U CN201619942 U CN 201619942U CN 2010200026738 U CN2010200026738 U CN 2010200026738U CN 201020002673 U CN201020002673 U CN 201020002673U CN 201619942 U CN201619942 U CN 201619942U
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- girder
- hoisting
- shoulder pole
- steel box
- flange
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Abstract
The utility model relates to a special hoisting tool for hoisting super large block of steel box girder. An equalizer bar and an underpinning girder are disposed symmetrically on the both sides of the lateral center of a main beam. The middle part of the equalizer bar is through a pin connected with the upper middle part of the main beam, and the upper part of the underpinning girder is through a flange fixedly connected with the lower part of the main beam. Two ends of the equalizer bar as well as the underpinning girder are respectively through riggings connected with the suspension hooks above. A plurality of flange installation wheels are disposed symmetrically on the surface of the main beam between both ends of the main beam and the equalizer bar as well as the underpinning girder respectively. The flange installation wheels on both ends of the main beam are equipped symmetrically through bolts with upper carrying pole beams, both ends of which are through pins and riggings connected with the lower carrying pole beams. A plurality of installation holes, which are through pin rolls equipped symmetrically with steering draw plates, are disposed symmetrically in both ends of the lower carrying pole beams. And the lower parts of steering draw plates are equipped with connection riggings. The utility model is characterized by safe and fast hoisting, applicability of hoisting beams with different length, eccentricity as well as longitudinal and transverse gradient, and applicability of guaranteeing great construction quality and accelerating construction progress.
Description
Technical field:
The utility model relates to a kind of hanging device, especially a kind ofly is used for super huge block steel box girder waterborne employed hoisting super huge block steel box girder special hanger is installed.
Background technology:
The traditional method of at present domestic and international steel case beam lifting waterborne has methods such as trifle section cantilever, the little segment lifting of full framing, pushing tow.These methods require the beam section can not exist than large eccentricity, and are bigger to the restriction of steel box-beam structure form.Along with the continuous development of China's traffic capital construction and improving constantly of operating technique level, intermediate block section steel case beam hanging method had also appearred in recent years, the suspender of its steel case beam lifting adopts large-scale steel truss structure usually, its torsional property is poor, requires the steel box-beam structure not exist than large eccentricity equally.
Abominable in order to solve the offshore construction environment, the effective operation time is short, factors such as building site weld seam welding surroundings difference, and steel case beam adopts big sections integral hoisting technology.The big segment lifting of steel case beam mainly needs to solve the suspender problem, its suspender that adopts must be applicable to different beam segment length and the lifting of beam section accentric simultaneously, can directly adjust the longitudinal gradient of beam section, and each stress point is stressed clear and definite, stress equalization, guarantee requirements such as girder construction health, at present, still do not have a kind of suspender can satisfy above-mentioned requirements.
The utility model content:
The utility model provides a kind of hoisting super huge block steel box girder special hanger, it is simple in structure, easy to operate, can be applicable to the lifting of different length and accentric beam section simultaneously, can directly adjust the slope in length and breadth of beam section, and can satisfy stressed clear and definite, the stress equalization of each interim suspension centre, girder construction health, make hoisting super huge block steel box girder safety, convenient, fast, the energy accelerating construction progress has solved problems of the prior art when guaranteeing construction quality.
The utility model is to solve the problems of the technologies described above the technical scheme that is adopted to be: it comprises girder, be provided with equalizing bar and backing beam in girder transverse center bilateral symmetry, the equalizing bar middle part links to each other with the girder upper middle position by bearing pin, backing beam top is connected by flange and girder bottom, and equalizing bar links to each other with four suspension hooks of top by rigging respectively with the two ends of backing beam; Girder two ends upper surface in the equalizing bar and the backing beam outside is arranged with some groups of flange subpanels, in the flange subpanel at girder two ends, be symmetrically installed with shoulder pole girder on respectively by bolt, last shoulder pole girder two ends are connected with the shoulder pole girder once of below with rigging by bearing pin respectively, following shoulder pole girder two ends are arranged with several mounting holes, in the mounting hole at following shoulder pole girder two ends, be symmetrically installed with one by bearing pin respectively and turn to arm-tie, turn to the arm-tie lower end that butt rigging is installed.
Described girder, last shoulder pole girder, following shoulder pole girder are fish-bellied type variable section steel box structure.
Described rigging is a rope rig.
The utility model is simple in structure, and is easy to operate, adopts bearing pin to be connected by equalizing bar is set with girder, realized the conversion of four suspension hook to three liftings, satisfies the principle of " determining a plane at 3 ", satisfies the girder lifting and do not turned round, and guaranteed lifting safety; By be arranged on the girder last shoulder pole girder and with last shoulder pole girder by shoulder pole girder under bearing pin, the rigging bonded assembly, turn to arm-tie, with steel case beam suspension centre bonded assembly rigging, reach the freely-supported distribution step by step of each primary structure member, make each suspension centre stressed clear and definite, stress equalization, and make steel case beam in whole hoisting process, not produce level and twisting stress; This suspender stressed distribution point at different levels adopt bearing pin to be articulated and connected, and can be implemented in the adjustment that freedom of the air is carried out the beam section gradient, and suspender are not turned round or unstability, and are not increased any additional stress; Girder two ends upper surface in the equalizing bar and the backing beam outside is arranged with some groups of flange subpanels, adopt the flange subpanel to be connected between last shoulder pole girder and the girder, be installed in the flange subpanel of horizontal diverse location of girder by going up shoulder pole girder, can make this suspender adapt to the beam section lifting of different length, flange by adjusting shoulder pole girder and vertical installation site of the flange subpanel on the girder, it is arranged in dislocation, can realize of the lifting of this suspender, realize that a cover suspender adapts to different length the very big beam body of center of gravity off-center, the lifting of the eccentric beam section of different vertical and horizontal gradients.Use this suspender lifting super huge block steel box girder, safe, convenient, fast, on guaranteeing in the construction quality, can accelerating construction progress.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is girder, last shoulder pole girder, following shoulder pole girder part-structure enlarged diagram.
Fig. 3 is girder and equalizing bar connection structure enlarged diagram.
Fig. 4 is girder and backing beam connection structure enlarged diagram.
Among the figure, 1, girder; 2, equalizing bar; 3, backing beam; 4, suspension hook; 5, flange subpanel; 6, go up shoulder pole girder; 7, following shoulder pole girder; 8, mounting hole; 9, turn to arm-tie.
The specific embodiment:
For clearly demonstrating the technical characterstic of this programme, below by the specific embodiment, and in conjunction with its accompanying drawing, the utility model is elaborated.
Shown in Fig. 1～4, the utility model comprises girder 1, be provided with equalizing bar 2 and backing beam 3 in girder 1 transverse center bilateral symmetry, equalizing bar 2 middle parts link to each other with girder 1 upper middle position by bearing pin, backing beam 3 tops are connected by flange and girder 1 bottom, and equalizing bar 2 links to each other with four suspension hooks 4 of top by rigging respectively with the two ends of backing beam 3; Girder 1 two ends upper surface in the equalizing bar 2 and backing beam 3 outsides is arranged with some groups of flange subpanels 5, in the flange subpanel 5 at girder 1 two ends, be symmetrically installed with shoulder pole girder 6 on respectively by bolt, last shoulder pole girder 6 two ends are connected with the shoulder pole girder once 7 of below with rigging by bearing pin respectively, following shoulder pole girder 7 two ends are arranged with several mounting holes 8, in the mounting hole 8 at following shoulder pole girder 7 two ends, be symmetrically installed with one by bearing pin respectively and turn to arm-tie 9, turn to arm-tie 9 lower ends that butt rigging is installed.
Described girder 1, last shoulder pole girder 6, following shoulder pole girder 7 are fish-bellied type variable section steel box structure.
Described rigging is a rope rig.
During work, at first determine case beam segmentation situation and the large-scale crane ship of selecting for use according to on-site actual situations.Then, according to the piece segment length of steel case beam, beam body section and loading characteristic, the performance of large-scale crane ship, the horizontal of last shoulder pole girder 6 of regulating suspender reaches vertical fixed position, and the position that turns to arm-tie 9, after adjusting, can begin lifting operation.
When adopting crane ship four hook blocks to pretend industry, " three leg " inhomogeneous stressed unfavorable lifting situation appears easily, the utility model suspender by be provided with equalizing bar 2 and and suspender girder 1 between adopt bearing pin to be articulated and connected, 3 lifting functions have been realized, satisfy girder 1 lifting and do not turned round, guaranteed lifting safety.
The utility model adopts beam rope structure combining to replace truss structure form commonly used, girder 1 adopts the variable cross-section box type structure, by rope rig freely-supported distribution step by step, distribution point of connection at different levels place adopts bearing pin to connect, the height that can directly adopt change crane ship suspension hook 4 to hoist aloft carries out the beam section gradient and freely adjusts, and, because suspender point of connection at different levels place all adopts the bearing pin articulated structure, make suspender itself not produce additional stress, by rope rig freely-supported distribution step by step, make point of connection at different levels stressed clear and definite, stress equalization.
The utility model is adjusted hoisting point position by adjusting the installation site of shoulder pole girder 6 in girder 1 different flange subpanels 5 transversely, can adapt to the beam section lifting of different segment length, flange by adjusting shoulder pole girder 6 and vertical installation site of the flange subpanel 5 on the girder 1, be that arranged in dislocation is regulated the lifting center-of-gravity position, can adapt to the lifting of the very big beam body in deviation of gravity center center, make this suspender realize that a cover suspender adapts to the lifting of different length, the eccentric beam section of different vertical and horizontal gradient.
The utility model does not describe part in detail, is those skilled in the art of the present technique's known technology.
Claims (3)
1. hoisting super huge block steel box girder special hanger, comprise girder, it is characterized in that: be provided with equalizing bar and backing beam in girder transverse center bilateral symmetry, the equalizing bar middle part links to each other with the girder upper middle position by bearing pin, backing beam top is connected by flange and girder bottom, and equalizing bar links to each other with four suspension hooks of top by rigging respectively with the two ends of backing beam; Girder two ends upper surface in the equalizing bar and the backing beam outside is arranged with some groups of flange subpanels, in the flange subpanel at girder two ends, be symmetrically installed with shoulder pole girder on respectively by bolt, last shoulder pole girder two ends are connected with the shoulder pole girder once of below with rigging by bearing pin respectively, following shoulder pole girder two ends are arranged with several mounting holes, in the mounting hole at following shoulder pole girder two ends, be symmetrically installed with one by bearing pin respectively and turn to arm-tie, turn to the arm-tie lower end that butt rigging is installed.
2. hoisting super huge block steel box girder special hanger according to claim 1 is characterized in that: described girder, last shoulder pole girder, following shoulder pole girder are fish-bellied type variable section steel box structure.
3. hoisting super huge block steel box girder special hanger according to claim 1 and 2 is characterized in that: described rigging is a rope rig.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200026738U CN201619942U (en) | 2010-01-04 | 2010-01-04 | Special hoisting tool for hoisting super large block of steel box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200026738U CN201619942U (en) | 2010-01-04 | 2010-01-04 | Special hoisting tool for hoisting super large block of steel box girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201619942U true CN201619942U (en) | 2010-11-03 |
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ID=43023397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200026738U Expired - Lifetime CN201619942U (en) | 2010-01-04 | 2010-01-04 | Special hoisting tool for hoisting super large block of steel box girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201619942U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758041A (en) * | 2013-12-31 | 2014-04-30 | 中铁四局集团钢结构有限公司 | Method for manufacturing assembly of box beam steel bridge with oversized section |
| CN105129620A (en) * | 2015-08-07 | 2015-12-09 | 中国一冶集团有限公司 | Four-machine hoisting mounting method |
| CN105565198A (en) * | 2016-03-10 | 2016-05-11 | 中铁大桥局集团有限公司 | Multipoint hoisting stress equalizing device |
-
2010
- 2010-01-04 CN CN2010200026738U patent/CN201619942U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758041A (en) * | 2013-12-31 | 2014-04-30 | 中铁四局集团钢结构有限公司 | Method for manufacturing assembly of box beam steel bridge with oversized section |
| CN105129620A (en) * | 2015-08-07 | 2015-12-09 | 中国一冶集团有限公司 | Four-machine hoisting mounting method |
| CN105565198A (en) * | 2016-03-10 | 2016-05-11 | 中铁大桥局集团有限公司 | Multipoint hoisting stress equalizing device |
| CN105565198B (en) * | 2016-03-10 | 2018-05-22 | 中铁大桥局集团有限公司 | Multipoint hoisting stress equalization device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101103 Effective date of abandoning: 20100104 |