CN103614966A - Suspension bridge steel box beam hoisting sling - Google Patents
Suspension bridge steel box beam hoisting sling Download PDFInfo
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- CN103614966A CN103614966A CN201310593526.0A CN201310593526A CN103614966A CN 103614966 A CN103614966 A CN 103614966A CN 201310593526 A CN201310593526 A CN 201310593526A CN 103614966 A CN103614966 A CN 103614966A
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- steel case
- suspension bridge
- bridge steel
- case beam
- girder
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Abstract
The invention discloses a suspension bridge steel box beam hoisting sling which comprises a hoisting beam connected integrally through two main beams. A gap is arranged between the main beams, lifting devices are arranged at the tops of two ends of the hoisting beam, and movable pulleys are arranged between the main beams and connected with a main beam horizontal-direction slideway. The suspension bridge steel box beam hoisting sling has the advantages of compact structure, convenience for mounting, simplicity and quickness in demounting, high using efficiency and reusability and can meet requirements of both suspension bridge steel box beam hoisting and hoisting of other weights.
Description
Technical field
The present invention relates to technical field of bridge construction, refer to particularly a kind ofly be adapted to main push-towing rope and steel case beam headroom is little, steel case beam model is more, the suspension bridge steel case beam hoisting appliance in the situation that position of centre of gravity differs.
Background technology
When at present, suspension bridge steel case beam lifts, there is following technical problem:
1, when with the towed deck unit erection gantry lifting of hoist engine steel case beam, the fixed and moving pulley of main spanning central sill section space is little, and wire rope rope angle is large, has potential safety hazard;
2, steel case beam type differs, and position of centre of gravity differs, and suspender type is many, uneconomical;
3, theoretical center of gravity and actual center gravity error are larger, and during lifting, steel case beam easily tilts, though reasonable suspender energy is unloaded, artificial interference is adjusted center of gravity, operation is more loaded down with trivial details;
Therefore, designing being with of a kind of high efficient and reliable carries and automatically to adjust a suspender for center of gravity to have significant practical applications.
Summary of the invention
The object of patent of the present invention is exactly the deficiency that will solve above-mentioned background technology, provide a kind of and be applicable to the little space lifting of suspension bridge steel case beam, and band carries the suspension bridge steel case beam hoisting appliance of self adjusting gravity centre.
The technical scheme of patent of the present invention is: a kind of suspension bridge steel case beam hoisting appliance, and it comprises the hanging beam linking into an integrated entity by two girders, between described girder, is provided with space, it is characterized in that: top, described hanging beam two ends is provided with boom hoisting; Between described girder, be provided with movable pulley, described movable pulley is connected to slideway with girder level.
In such scheme:
Described boom hoisting comprises shoulder pole girder, described shoulder pole girder is fixedly mounted on hanging beam top, the bottom, two ends of shoulder pole girder and one end keying of two suspension ring, and the other end of two suspension ring is connected to the two ends of the first bearing pin, on the first bearing pin, be set with deflecting roller, described deflecting roller is connected with steel case beam hanger.
Described suspension ring are provided with a plurality of, and a plurality of suspension ring connect by rigging.
Between the end of described girder, by bridging, connect.
Described girder middle part, along level to offering slideway through hole, is provided with the second bearing pin in described slideway through hole, and the second bearing pin is connected with the horizontal slip of slideway through hole, and movable pulley is sleeved on the second bearing pin middle part.
Described the second bearing pin two ends are set with slip otic placode, and described girder inner side is provided with card rail, and described slip otic placode is sleeved in card rail, and card rail is provided with the slide plane being slidably connected with the otic placode that slides.
Described slip otic placode is also connected with power set.
Described power set comprise the jack counter-force seat being fixedly installed on hanging beam, on described jack counter-force seat, are fixed with jack, and the output of described jack is connected with slip otic placode.
Between the output of described jack and the second bearing pin, be provided with length-adjustable adjusting slider.
Patent of the present invention has compact conformation, easy for installation, dismounting simple and fast, service efficiency is high, can repeat the feature that turnover is used, and not only can meet the lifting of suspension bridge steel case beam, also can meet the lifting of other weights.
Accompanying drawing explanation
Fig. 1 is patent overall structure schematic diagram of the present invention;
Fig. 2 is A-A generalized section in Fig. 1;
Fig. 3 is B-B generalized section in Fig. 1.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, patent of the present invention is described in further detail.
A kind of suspension bridge steel case beam hoisting appliance as shown in FIG., it comprises the hanging beam 8 linking into an integrated entity by two girders 8.1, between girder 8.1, is provided with space, hanging beam 8 tops, two ends are provided with boom hoisting; Between girder 8.1, be provided with movable pulley 6, movable pulley 6 is connected to slideway with girder 8.1 levels.
In the present embodiment:
Boom hoisting comprises shoulder pole girder 1, shoulder pole girder 1 is fixedly mounted on hanging beam 8 tops by the mode of bolt (or welding), the bottom, two ends of shoulder pole girder 1 and one end keying of two suspension ring 2, the other end of two suspension ring 2 is connected to the two ends of the first bearing pin 12, on the first bearing pin 12, be set with deflecting roller 13, described deflecting roller 13 keyings have steel case beam hanger 14, steel case beam hanger 14 and steel case beam bolt or welding.
Described suspension ring 2 are provided with many covers, and suspension ring 2 are provided with a plurality of, and a plurality of suspension ring 2 connect by rigging 5, to facilitate dissimilar steel case beam lifting.
Between the end of girder 8.1, by bridging 11, connect, girder 8.1 forms the hanging beam 8 of an integrative-structure like this.
Girder 8.1 middle parts are along level to offering slideway through hole 8.2, in slideway through hole 8.2, be provided with the second bearing pin 10, the second bearing pin 10 is connected with 8.2 horizontal slips of slideway through hole, movable pulley 6 is sleeved on the second bearing pin 10 middle parts, be that movable pulley 6 can carry out horizontal slip between girder 8.1, with in order to regulate the center of gravity of suspender.
The second bearing pin 10 two ends are set with slip otic placode 15, girder 8.1 inner sides are provided with card rail 7, slip otic placode 15 is sleeved in card rail 7, card rail 7 is provided with the slide plane 9 being slidably connected with the otic placode 15 that slides, card rail 7 and hanging beam 8 bolts, card rail 8 requirement on machining accuracy are high, and its bolt can guarantee the planeness of slide plane 9, reduce band and carry adjusting resistance; Slide plane 9 need be made by special material, the adjusting resistance while carrying to reduce band; Calliper 7 provides guide effect for the horizontal slip of slip otic placode 15, and slip otic placode 15, needs to be fixed after reaching position to slip in 7 li of energy levels of card rail.
Slip otic placode 15 is also connected with power set, and the horizontal slip that power set are slip otic placode 15 provides power support.
Power set comprise the jack counter-force seat 3 being fixedly installed on hanging beam 8, on jack counter-force seat 3, be fixed with jack 4, the output of jack 4 is connected with slip otic placode 15, by jack 4 levels, to the position of adjusting slip otic placode 15, regulates accordingly the second bearing pin 10 positions.
The output of power set also can directly be connected with the second bearing pin 10, and its effect reaching is consistent with above-mentioned effect.
Between the output of jack 4 and the second bearing pin 10, be provided with length-adjustable adjusting slider (not marking in figure), adjusting slider is used for lengthening the adjusting length of jack 4.
The suspension bridge steel case beam hoisting appliance that patent of the present invention is designed, to the construction sequence of steel case beam lifting is:
1, the designed suspender of patent of the present invention is arranged on loop wheel machine;
2, steel case beam is in place;
3, rough estimate center of gravity, the unloaded position of adjusting the second bearing pin 10;
4, connect steel case beam and suspender;
5, slowly lift by crane liftoff 10cm, after stablizing, slowly adjust the position of the second bearing pin 10, to adjust position of centre of gravity;
6, temporary fixed the second bearing pin 10, hoisting steel case beam is to design attitude.
The advantage of patent of the present invention is:
1, do not changing under the prerequisite of suspender, from hanger structure, solving the little problem in suspension bridge span centre beam section lifting space;
2, patent of the present invention can electrodeless tune center of gravity, has solved suspension bridge steel case beam type many, and center of gravity is inconsistent, the problem that suspender type is many, economically feasible;
3, patent of the present invention can be automatically, band carries and adjust a center of gravity, solved in the past and must unloadedly adjust center of gravity, need repeatedly lift by crane, unload the problem that center of gravity is adjusted in examination.
Patent of the present invention has compact conformation, easy for installation, dismounting simple and fast, service efficiency is high, can repeat the feature that turnover is used, and not only can meet the lifting of suspension bridge steel case beam, also can meet the lifting of other weights.
Claims (9)
1. a suspension bridge steel case beam hoisting appliance, it comprises the hanging beam (8) linking into an integrated entity by two girders (8.1), described girder is provided with space between (8.1), it is characterized in that: described hanging beam (8) top, two ends is provided with boom hoisting; Between described girder (8.1), be provided with movable pulley (6), described movable pulley (6) is connected to slideway with girder (8.1) level.
2. suspension bridge steel case beam hoisting appliance according to claim 1, it is characterized in that: described boom hoisting comprises shoulder pole girder (1), described shoulder pole girder (1) is fixedly mounted on hanging beam (8) top, one end keying of the bottom, two ends of shoulder pole girder (1) and two suspension ring (2), the other end of two suspension ring (2) is connected to the two ends of the first bearing pin (12), on the first bearing pin (12), be set with deflecting roller (13), described deflecting roller (13) is connected with steel case beam hanger (14).
3. suspension bridge steel case beam hoisting appliance according to claim 2, is characterized in that: described suspension ring (2) are provided with a plurality of, and a plurality of suspension ring (2) connect by rigging (5).
4. suspension bridge steel case beam hoisting appliance according to claim 1, is characterized in that: between the end of described girder (8.1), by bridging (11), connect.
5. suspension bridge steel case beam hoisting appliance according to claim 1, it is characterized in that: described girder (8.1) middle part is along level to offering slideway through hole (8.2), in described slideway through hole (8.2), be provided with the second bearing pin (10), the second bearing pin (10) is connected with slideway through hole (8.2) horizontal slip, and movable pulley (6) is sleeved on the second bearing pin (10) middle part.
6. suspension bridge steel case beam hoisting appliance according to claim 5, it is characterized in that: described the second bearing pin (10) two ends are set with slip otic placode (15), described girder (8.1) inner side is provided with card rail (7), described slip otic placode (15) is sleeved in card rail (7), and card rail (7) is provided with the slide plane (9) being slidably connected with the otic placode that slides (15).
7. according to the suspension bridge steel case beam hoisting appliance described in claim 5 or 6, it is characterized in that: described slip otic placode (15) is also connected with power set.
8. suspension bridge steel case beam hoisting appliance according to claim 7, it is characterized in that: described power set comprise the jack counter-force seat (3) being fixedly installed on hanging beam (8), on described jack counter-force seat (3), be fixed with jack (4), the output of described jack (4) is connected with slip otic placode (15).
9. suspension bridge steel case beam hoisting appliance according to claim 8, is characterized in that: between the output of described jack (4) and the second bearing pin (10), be provided with length-adjustable adjusting slider.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310593526.0A CN103614966B (en) | 2013-11-21 | 2013-11-21 | Suspension bridge steel box-girder hoisting appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310593526.0A CN103614966B (en) | 2013-11-21 | 2013-11-21 | Suspension bridge steel box-girder hoisting appliance |
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| Publication Number | Publication Date |
|---|---|
| CN103614966A true CN103614966A (en) | 2014-03-05 |
| CN103614966B CN103614966B (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310593526.0A Active CN103614966B (en) | 2013-11-21 | 2013-11-21 | Suspension bridge steel box-girder hoisting appliance |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104828691B (en) * | 2015-04-27 | 2016-08-17 | 中铁工程机械研究设计院有限公司 | The stepless adjustable suspender of large-tonnage bias box beam |
| CN103952970B (en) * | 2014-04-16 | 2017-02-01 | 天津城建设计院有限公司 | Oversized pier-position pull rod and foundation structure |
| CN107974941A (en) * | 2017-11-28 | 2018-05-01 | 中交二航局第二工程有限公司 | The cable hoisting device and its application method of suspension bridge |
| CN110593112A (en) * | 2019-09-25 | 2019-12-20 | 中交二公局第五工程有限公司 | Suspension bridge hanging beam system and hanging beam process |
-
2013
- 2013-11-21 CN CN201310593526.0A patent/CN103614966B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103952970B (en) * | 2014-04-16 | 2017-02-01 | 天津城建设计院有限公司 | Oversized pier-position pull rod and foundation structure |
| CN104828691B (en) * | 2015-04-27 | 2016-08-17 | 中铁工程机械研究设计院有限公司 | The stepless adjustable suspender of large-tonnage bias box beam |
| CN107974941A (en) * | 2017-11-28 | 2018-05-01 | 中交二航局第二工程有限公司 | The cable hoisting device and its application method of suspension bridge |
| CN110593112A (en) * | 2019-09-25 | 2019-12-20 | 中交二公局第五工程有限公司 | Suspension bridge hanging beam system and hanging beam process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103614966B (en) | 2015-08-12 |
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Inventor after: Zhang Yongtao Inventor after: Wang Zichao Inventor after: Luo Zili Inventor after: Guo Jin Inventor after: Peng Peng Inventor after: Qin Zong Hua Inventor before: Wang Zichao Inventor before: Luo Zili Inventor before: Guo Jin Inventor before: Peng Peng Inventor before: Qin Zong Hua |
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