CN106835997A - Steel box-girder lifts interim accurate positioning device and localization method - Google Patents
Steel box-girder lifts interim accurate positioning device and localization method Download PDFInfo
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- CN106835997A CN106835997A CN201710167961.5A CN201710167961A CN106835997A CN 106835997 A CN106835997 A CN 106835997A CN 201710167961 A CN201710167961 A CN 201710167961A CN 106835997 A CN106835997 A CN 106835997A
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- girder
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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
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- Conveying And Assembling Of Building Elements In Situ (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
Steel box-girder of the present invention lifts interim accurate positioning device.Including two fining twisted steels, two centre-hole jacks, two locator cards, there is base plate in each locator card, the riser integral with base plate one end, it is symmetrically placed on base plate and one end is connected on riser and riser, two floors of groove are formed between base plate, notch on two locator cards is relative and notch end face between the cushion block that stretches out outside locator card of the bottom that has width and can meet steel box-girder joint gap, two risers have upper registration holes respectively along center vertical direction, lower registration holes, two risers outside have respectively with it is upper, the corresponding adjusting lock nut of lower registration holes, one end of two fining twisted steels is each passed through correspondence adjusting lock nut, on locator card, it is connected with end nut after center hole in lower registration holes and correspondence centre-hole jack.Apparatus of the present invention simple structure, low cost is workable, substantially increases the accuracy that steel box-girder is positioned temporarily.Interim accurate positioning method is lifted present invention also offers steel box-girder.
Description
Technical field：
Interim accurate positioning device and localization method are lifted the present invention relates to a kind of steel box-girder.
Background technology：
Country's large-span suspension bridge, is bridge deadweight to be reduced while across footpath is increased as far as possible, increases bridge capacity, one at present
As suspension bridge girder use the box girder construction of steel plate.Steel box-girder typically need to carry out lifting and assembled work at bridge construction scene
Industry.And the positioning accuracy request of steel box-girder is very high, including lifting, assembly are until be finally installed into position.To ensure that steel box-girder is applied
Working medium amount and construction speed, steel box-girder needed in hoisting process one kind can fast, accurately temporary positioning device by steel box-girder
Rapidly, firmly, accurately linked together before lifting completion, circumferential weld splicing；Conventional interim localization method is typically used
Steel box-girder temporary weld screens by the U-shaped steel plate code plate of fritter on both sides is fixed, and then cuts off code again after the completion of circumferential weld splicing
The mode of plate is carried out, code plate must 10 ~ 20cm together can fixation, code plate is very intensive and is extremely unfavorable for girth welding
Operate, both waste of materials and manpower, efficiency is also relatively lower.
The content of the invention：
More accurate the invention aims to provide a kind of positioning, efficiency high, simple structure can save a large amount of manpower and materials
Steel box-girder lifting be accurately positioned card device temporarily.Another object of the present invention be to provide for it is a kind of simple to operate, quickly
Pinpoint steel box-girder lifts interim accurate positioning method.
The object of the present invention is achieved like this：
Steel steel box-girder of the present invention lifts interim accurate positioning device, including two fining twisted steels, two centre-hole jacks, two
Individual locator card, have in each locator card base plate, positioned at the integral riser in base plate one end and base plate, be symmetrically placed on base plate and one
End is connected on riser two floors that groove is formed between riser, base plate, and notch on two locator cards is relative and notch end face
Between the cushion block that stretches out outside locator card of the bottom that has width and can meet steel box-girder joint gap, two risers are along center vertical direction position
Upper to have upper registration holes, lower registration holes respectively, there is the adjusting lock nut corresponding with upper and lower registration holes in two risers outside respectively,
Two center holes of centre-hole jack are corresponding with the upper and lower registration holes on locator card respectively, two the one of fining twisted steel
End be each passed through correspondence adjusting lock nut, on upper locator card, center hole on lower registration holes and correspondence centre-hole jack
It is connected with end nut afterwards, regulation adjusting lock nut can compress cushion block.
The interim pinpoint method of steel box-girder lifting of the present invention, the method is to prepare multiple steel box-girders to be accurately positioned dress
Put；Two sections of steel box-girder upper steel edges of boards edge that locator card temporary weld is fixed on lifting are needed into docking site by measuring, then
Steel box-girder to be assembled is lifted in place and substantially aligned accurately；Fining twisted steel is sequentially passed through into adjusting lock nut, locator card
On registration holes and the center hole on centre-hole jack after coordinate with end nut, using centre-hole jack by finish rolling screw thread
Steel tensioning is tensed；It is again that steel box-girder top planes measurement of higher degree check is errorless, then fining twisted steel end nut is tightened, thousand
Jin top off-load, implements the welding that next step steel box-girder splices girth joint；It is again that steel box-girder lifting is interim after the completion of boxing seam welding
Accurate positioning device is removed.
The interim pinpoint method of steel box-girder lifting of the present invention, specifically includes following steps：
1）, prepare multiple steel box-girders and lift interim accurate positioning device；
2）, locator card temporary weld fixes：
One steel box-girder is set along the every 5~6m in steel box-girder piece direction and lifts interim accurate positioning device, position will be every after determining
The locator card that individual steel box-girder is lifted in interim accurate positioning device is fixedly welded on two sections of steel box-girder upper steel edges of boards to be assembled
Edge needs docking site and all locator cards are all arranged on steel box-girder midfeather position of center line, and locator card center line is indulged with steel box-girder
Dividing plate center line overlaps；
3）, steel box-girder lifting：
Steel box-girder is hoisted to steel box girder assembling platform, it is accurate then substantially to align steel box-girder, is that next step exactitude position does
It is good to prepare；
4）, penetrate fining twisted steel, tensioning and exactitude position：
Satisfaction will be sticked into two steel box-girder seams of two locator card gaps and correspondence in each steel box-girder lifting temporary positioning device
The cushion block of joint gap requirement, then two screw-thread steels are passed through into locator card registration holes and adjusting lock nut and correspondence punching thousand
Coordinate with end nut behind jin top, it is using centre-hole jack that fining twisted steel tensioning is firm, should during tensioning fining twisted steel
Along steel box-girder midfeather center line to the symmetrical tensioning in both sides；
5）, centre-hole jack off-load completion exactitude position：
Treat that all centre-hole jacks firmly and measure check steel box-girder top planes elevation and confirm by fining twisted steel tensioning
After errorless, then by fining twisted steel upper end nut screwing clamping, centre-hole jack off-load, you can realize being accurately positioned for steel box-girder
Work；
6）, the dismounting of locator card：
Box beam main body is welded and fixed dismountable locator card afterwards, is repeated after slightly processing and utilized.
Steel box-girder lifting of the present invention is interim to be accurately positioned card device simple structure, and positioning is more accurate, substantially increases steel
The accuracy that box beam is positioned temporarily, efficiency high can save a large amount of human and material resources.The inventive method is simple to operate, strong operability,
Quickly it is accurately positioned.
Brief description of the drawings：
Fig. 1 is structural representation of the invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is locator card structural representation.
Fig. 4 is the top view of Fig. 3.
Fig. 5 is the right view of Fig. 3.
Specific embodiment：
Referring to Fig. 1~Fig. 5, steel box-girder of the present invention lifts interim accurate positioning device, including two fining twisted steels 1, two are worn
2, two locator cards 3 of core type jack.Have in each locator card base plate 4, positioned at the integral riser 5 in base plate one end and base plate,
It is symmetrically placed on base plate and one end is connected on riser two floors 6 that groove is formed between riser, base plate.On two locator cards
Notch is relative and notch end face between there is the width to meet the cushion block 7 that the bottom of the joint gap of steel box-girder 13 is stretched out outside locator card.Two
Riser has upper registration holes 8, lower registration holes 9 respectively along center vertical direction.Two risers outside has and upper and lower registration holes phase respectively
Corresponding adjusting lock nut 10.Two center holes of centre-hole jack are relative with the upper and lower registration holes on locator card respectively
Should.One end of two fining twisted steels be each passed through correspondence adjusting lock nut, the upper registration holes on locator card, lower registration holes and
It is connected with end nut 11 after center hole, billet 11 on correspondence centre-hole jack.Sequence number 14 is steel box-girder mediastinum in Fig. 2
Plate.
The interim pinpoint method of reinforcing bar beam lifting of the present invention, comprises the following steps：
1）, prepare multiple steel box-girders and lift interim accurate positioning device：Length × width × height=290mm × the 300mm of each locator card
× 295mm, the registration holes aperture on locator card is Φ 15 mm, fining twisted steel L=1.3m, Φ 28 mm；
2）, locator card temporary weld fixes：
In order that steel box-girder 13 is accurately positioned, it is necessary to locator card is fixed into accurate in advance.It is accurate using total powerstation etc. at the scene
Measuring instrument is positioned to it, and a positioner is set along the every 5~6m in steel box-girder piece direction.Position will positioning after determining
Card is fixedly welded on two sections of steel box-girder upper steel edges of boards edge to be assembled needs docking site.All locator cards are all arranged on steel box-girder
Midfeather position of center line, and locator card center line overlaps with steel box-girder dividing plate center line.Often section steel box-girder is typically no less than 6
It is advisable；
3）, steel box-girder lifting：
Steel box-girder is hoisted to steel box girder assembling platform, it is accurate then substantially to align steel box-girder, is that next step exactitude position does
It is good to prepare；
4）, penetrate fining twisted steel, tensioning and exactitude position：
Meet joint gap requirement by being sticked into two steel box-girder seams of two locator card gaps in each positioner and correspondence
Cushion block, then two L=1.3m, Φ 28mm fining twisted steels are each passed through corresponding registration holes and regulation locking screw on locator card
With end nut cooperation after female and correspondence centre-hole jack and billet, using centre-hole jack by fining twisted steel tensioning
Firmly, should be along steel box-girder midfeather center line to the symmetrical tensioning in both sides during tensioning fining twisted steel；
5）, centre-hole jack off-load completion exactitude position：
Treat that all centre-hole jacks firmly and measure check steel box-girder top planes elevation and confirm by fining twisted steel tensioning
After errorless, then by fining twisted steel upper end nut screwing clamping, centre-hole jack off-load, you can realize being accurately positioned for steel box-girder
Work；
6）, the dismounting of locator card：
Box beam main body is welded and fixed dismountable locator card afterwards, is repeated after slightly processing and utilized.
Above-described embodiment is that the above of the invention is further described, but this should not be interpreted as in the present invention
The scope for stating theme is only limitted to above-described embodiment.All technologies realized based on the above belong to the scope of the present invention.
Claims (3)
1. steel box-girder lifts interim accurate positioning device, it is characterised in that very heavy including two fining twisted steels, two punchings
Top, two locator cards, have in each locator card base plate, positioned at the integral riser in base plate one end and base plate, be symmetrically placed in base plate
Upper and one end is connected on riser two floors that groove is formed between riser, base plate, and the notch on two locator cards is relative and groove
The cushion block that the bottom that having width between mouth end face can meet steel box-girder joint gap is stretched out outside locator card, two risers are along center vertical side
To position on have upper registration holes, lower registration holes respectively, two risers outside has the regulation corresponding with upper and lower registration holes to lock respectively
Tight nut, two center holes of centre-hole jack are corresponding with the upper and lower registration holes on locator card respectively, two finish rolling screw threads
One end of steel is each passed through the center hole on correspondence locking nut, the upper and lower registration holes of locator card and correspondence centre-hole jack
It is connected with end nut afterwards.
2. steel box-girder lifts interim pinpoint method, it is characterised in that the method is to prepare multiple steel box-girders to be accurately positioned dress
Put, two sections of steel box-girder upper steel edges of boards edge that locator card temporary weld is fixed on lifting are needed into docking site by measuring, then
Steel box-girder to be assembled is lifted in place and is substantially aligned accurately, fining twisted steel is sequentially passed through into adjusting lock nut, locator card
On registration holes and the center hole on centre-hole jack after coordinate with end nut, using centre-hole jack by finish rolling screw thread
Steel tensioning is tensed, then steel box-girder top planes measurement of higher degree check is errorless, then tightens fining twisted steel end nut, is worn
Core type jack off-load, implements the welding that next step steel box-girder splices girth joint；Steel box-girder is hung again after the completion of boxing seam welding
Interim accurate positioning device is filled to remove.
3. steel box-girder according to claim 2 lifts interim pinpoint method, it is characterised in that specifically include following
Step：
1）, prepare multiple steel box-girders and lift interim accurate positioning device；
2）, locator card temporary weld fixes：
One steel box-girder is set along the every 5~6m in steel box-girder piece direction and lifts interim accurate positioning device, position will be every after determining
The locator card that individual steel box-girder is lifted in interim accurate positioning device is fixedly welded on two sections of steel box-girder upper steel edges of boards to be assembled
Edge needs docking site and all locator cards are all arranged on steel box-girder midfeather position of center line, and locator card center line is indulged with steel box-girder
Dividing plate center line overlaps；
3）, steel box-girder lifting：
Steel box-girder is hoisted to steel box girder assembling platform, it is accurate then substantially to align steel box-girder, is that next step exactitude position does
It is good to prepare；
4）, penetrate fining twisted steel, tensioning and exactitude position：
Satisfaction will be sticked into two steel box-girder seams of two locator card gaps and correspondence in each steel box-girder lifting temporary positioning device
The cushion block of joint gap requirement, then two fining twisted steels are each passed through corresponding registration holes and regulation locking screw on locator card
Coordinate with end nut after female and correspondence centre-hole jack, it is using centre-hole jack that fining twisted steel tensioning is firm,
Should be along steel box-girder midfeather center line to the symmetrical tensioning in both sides during drawing fining twisted steel；
5）, centre-hole jack off-load completion exactitude position：
Treat that all centre-hole jacks firmly and measure check steel box-girder top planes elevation and confirm by fining twisted steel tensioning
After errorless, then by fining twisted steel upper end nut screwing clamping, centre-hole jack off-load, you can realize being accurately positioned for steel box-girder
Work；
6）, the dismounting of locator card：
Box beam main body is welded and fixed dismountable locator card afterwards, is reused after slightly processing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710167961.5A CN106835997B (en) | 2017-03-21 | 2017-03-21 | Steel box-girder lifts interim accurate positioning device and localization method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710167961.5A CN106835997B (en) | 2017-03-21 | 2017-03-21 | Steel box-girder lifts interim accurate positioning device and localization method |
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| CN106835997A true CN106835997A (en) | 2017-06-13 |
| CN106835997B CN106835997B (en) | 2019-02-01 |
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ID=59129417
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107447674A (en) * | 2017-09-19 | 2017-12-08 | 中铁上海工程局集团有限公司 | A kind of steel box arch rib lifting positioner and its construction method |
| CN107630406A (en) * | 2017-09-26 | 2018-01-26 | 中建五局土木工程有限公司 | For steel structure bridge without support aerial assembled piece adjusting means and construction method |
| 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 |
| CN109322252A (en) * | 2018-10-16 | 2019-02-12 | 上海市基础工程集团有限公司 | Interim matching, fixed structure and method for Large-span Steel Box Beam free cantilever erection |
| CN109468946A (en) * | 2018-04-12 | 2019-03-15 | 上海公路投资建设发展有限公司 | A kind of steel construction temporary fastening device and technique for large-scale bent cap free cantilever erection |
| CN110374013A (en) * | 2019-07-24 | 2019-10-25 | 重庆交通建设(集团)有限责任公司 | Steel box-girder lifts positioning device and construction method |
| CN110593097A (en) * | 2019-09-04 | 2019-12-20 | 郭斌 | Suspension bridge main push-towing rope preforming strand manufacturing and saddle entering system |
| CN111005321A (en) * | 2019-12-27 | 2020-04-14 | 杜纯 | Assembled bridge building butt-joint equipment |
| CN111042001A (en) * | 2020-01-16 | 2020-04-21 | 中建七局安装工程有限公司 | Temporary anchoring support-free construction method for prefabricated section beam closure section |
| CN114364851A (en) * | 2019-08-13 | 2022-04-15 | 伊顿智能动力有限公司 | Attachment device for non-structural components of a building |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107447674A (en) * | 2017-09-19 | 2017-12-08 | 中铁上海工程局集团有限公司 | A kind of steel box arch rib lifting positioner and its construction method |
| CN107630406A (en) * | 2017-09-26 | 2018-01-26 | 中建五局土木工程有限公司 | For steel structure bridge without support aerial assembled piece adjusting means and construction method |
| 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 |
| CN109468946A (en) * | 2018-04-12 | 2019-03-15 | 上海公路投资建设发展有限公司 | A kind of steel construction temporary fastening device and technique for large-scale bent cap free cantilever erection |
| CN109468946B (en) * | 2018-04-12 | 2024-04-12 | 上海公路投资建设发展有限公司 | Steel structure temporary fixing device and process for large-scale bent cap cantilever assembly |
| CN109322252A (en) * | 2018-10-16 | 2019-02-12 | 上海市基础工程集团有限公司 | Interim matching, fixed structure and method for Large-span Steel Box Beam free cantilever erection |
| CN110374013A (en) * | 2019-07-24 | 2019-10-25 | 重庆交通建设(集团)有限责任公司 | Steel box-girder lifts positioning device and construction method |
| CN114364851A (en) * | 2019-08-13 | 2022-04-15 | 伊顿智能动力有限公司 | Attachment device for non-structural components of a building |
| CN114364851B (en) * | 2019-08-13 | 2024-03-29 | 伊顿智能动力有限公司 | Attachment device for non-structural parts of a building |
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| CN110593097A (en) * | 2019-09-04 | 2019-12-20 | 郭斌 | Suspension bridge main push-towing rope preforming strand manufacturing and saddle entering system |
| CN110593097B (en) * | 2019-09-04 | 2021-06-15 | 郭斌 | Suspension bridge main push-towing rope preforming strand manufacturing and saddle entering system |
| CN111005321A (en) * | 2019-12-27 | 2020-04-14 | 杜纯 | Assembled bridge building butt-joint equipment |
| CN111042001A (en) * | 2020-01-16 | 2020-04-21 | 中建七局安装工程有限公司 | Temporary anchoring support-free construction method for prefabricated section beam closure section |
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