CN101929130B - Hanging basket device for closure construction of continuous box girders - Google Patents
Hanging basket device for closure construction of continuous box girders Download PDFInfo
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- CN101929130B CN101929130B CN2010102860911A CN201010286091A CN101929130B CN 101929130 B CN101929130 B CN 101929130B CN 2010102860911 A CN2010102860911 A CN 2010102860911A CN 201010286091 A CN201010286091 A CN 201010286091A CN 101929130 B CN101929130 B CN 101929130B
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- external mold
- bed die
- head piece
- hanging basket
- crossbeam
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Abstract
The patent of invention relates to the field of continuous girder construction, in particular to a hanging basket device for closure construction of continuous box girders, which solves the problem that the hanging basket device cannot return to the outside of a railway clearance to be detached during closure concrete construction above a railway. The hanging basket device comprises a head piece, a road wheel, a steel rail, an external mold truss, an external template, a bottom mold crossbeam, a bottom mold stringer, a bottom mold square timber and a bottom template; an external mold bearing crossbeam is arranged under the external mold truss, and is hung at two ends of the head piece through an external mold jack and an external mold suspender; two ends of the bottom mold crossbeam are connected with two ends of the top piece through a bottom mold jack and a bottom mold suspender; a bottom mold operating platform is suspended under the bottom mold crossbeam; an extended vertical member is connected under the external mold truss and is provided with upper and lower limiting U-bars and a platform U-bar; and an external mold bottom operating platform is erected on the platform U-bar. The hanging basket device has the advantages of simple structure, reasonable design, simple and convenient operation, good using effect, improvement of the returning speed and time and labor saving.
Description
Technical field
Patent of the present invention relates to the Construction of continuous beam field, is specially a kind of hanging basket device that is particularly useful for the limited closure construction of continuous box girders of existing line top construction space.
Background technology
Continuous box girder is one of important way of crossing in existing road, water channel; Have characteristics such as widely applicable, that construction technology is easily understood; And Hanging Basket is to be used for the cast-in-place a kind of equipment of concrete bridge girder cantilever; The dismounting of Hanging Basket usually needs overall pulling down on the spot, but when crossing over existing railway, the design elevation of case beam bottom is limited with the spacing that contacts between netting twine and the crossbeam of existing line; The dismounting of Hanging Basket must return to the existing line gauge and remove outward, and the Hanging Basket of construction returned to the dismounting of case beam root through transferring the whole Hanging Basket of bed die rear haulage in the past.But above existing railway line, the contact netting twine of perforation circuit is arranged in bottom and across the existing line crossbeam, bed die is transferred highly limited, and Hanging Basket can't return to railway clearance and remove outward, also can't in railway clearance, remove Hanging Basket simultaneously.
Summary of the invention
The present invention exists hanging basket device can't return to the outer problem of removing of railway clearance when solving the closure segment concrete construction of existing railway top, and a kind of hanging basket device of closure construction of continuous box girders is provided.
The present invention adopts following technical scheme to realize: a kind of hanging basket device of closure construction of continuous box girders comprises the head piece that is positioned at the continuous box girder top, is installed on the road wheel of both sides, head piece below and is installed on the continuous box girder beam face and the rail relative with the road wheel position; The bed die crossbeam, bed die longeron, the bed die lumps of wood and the soffit formwork that also comprise external mold truss, the exterior sheathing that hangs on the head piece two ends respectively and be positioned at the continuous box girder bottom; Innovative point of the present invention is that the below is provided with external mold carrying crossbeam in the external mold truss, and external mold carries crossbeam through external mold jack, external mold suspension rod and the suspention of head piece two ends; Bed die crossbeam two ends are connected with the head piece two ends through at least one bed die jack and at least one foundation mould suspension rod respectively; Bed die crossbeam below is hung with the bed die job platform through link plate; External mold truss below is connected with the prolongation montant; Prolong on the montant from top to bottom activity respectively upper limit channel-section steel, lower limit channel-section steel peace platform trough steel are housed; Wherein the most inboard prolongation montant the preceding paragraph is dismountable transition montant, and the platform channel-section steel is put on the shelf and is provided with the external mold bottom job platform that is positioned at bed die job platform below.Said jack adopts jackscrew, and suspension rod can adopt fining twisted steel.
Adopt structure design of the present invention; The outer modular system of hanging basket device and bed die system respectively with the support running gear separate connection that comprises head piece, road wheel and rail; When removing the bed die system, do not influence the side form system and support being connected of running gear; During concrete the application, can in closed system, remove the bed die system earlier, then side form system connectivity head piece etc. returned to railway clearance together and remove outward.
In order further to optimize this hanging basket device, improve its function, the present invention also carries out following structure design; The said external mold truss outside adopts bolt to be connected with head piece, is convenient to the side form system and dismantles with supporting running gear, and the gap is left in external mold the truss junction and the continuous beam casing frange plate outside inboard and head piece; Like this; When Hanging Basket was transferred, exterior sheathing formed certain clearance under action of gravity and between the casing, collision casing when avoiding the Hanging Basket slippage.
Compared with prior art; Hanging Basket according to the invention is on the basis of original Hanging Basket, and through repacking, realization Hanging Basket bed die is removed in closed system; The Hanging Basket side form returns to railway clearance together with head piece and removes outward; Simple in structure, reasonable in design, easy and simple to handle, result of use is fine, efficiently solves the problem that closure segment construction back, existing railway top Hanging Basket can't be stepped back the dismounting existing line gauge outside, has improved the speed that Hanging Basket is return simultaneously; Time saving and energy saving, can be widely used in the Construction of continuous beam field.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the lateral view of Fig. 1;
Among the figure: the 1-continuous box girder; The 2-head piece; The 3-road wheel; The 4-rail; 5-external mold truss; The 6-exterior sheathing; 7-bed die crossbeam; 8-bed die longeron; The 9-bed die lumps of wood; The 10-soffit formwork; The 11-external mold carries crossbeam; 12-external mold jack; 13-external mold suspension rod; 14-bed die jack; 15-bed die suspension rod; The 16-link plate; 17-bed die job platform; 18-prolongs montant; 19-upper limit channel-section steel; 20-lower limit channel-section steel; 21-platform channel-section steel; 22-transition montant; 23-external mold bottom job platform; The 24-bolt; The 25-gap; 26-job platform railing.
The specific embodiment
A kind of hanging basket device of closure construction of continuous box girders; Like Fig. 1, shown in 2, comprise the head piece 2 that is positioned at continuous box girder 1 top, be installed on the road wheel 3 of both sides, head piece below and be installed on the continuous box girder 1 beam face and the rail 4 relative with road wheel 3 positions; Also comprise external mold truss 5, the exterior sheathing 6 and the bed die crossbeam 7 that is positioned at continuous box girder 1 bottom, bed die longeron 8, the bed die lumps of wood 9 and the soffit formwork 10 that hang on head piece 2 two ends respectively; The below is provided with external mold and carries crossbeam 11 in the external mold truss 5, and external mold carries crossbeam 11 through external mold jack 12, external mold suspension rod 13 and the suspention of head piece 2 two ends; Bed die crossbeam 7 two ends are connected with head piece 2 two ends through at least one bed die jack 14 and at least one foundation mould suspension rod 15 respectively; Bed die crossbeam 7 belows are hung with bed die job platform 17 through link plate 16; External mold truss 5 belows are connected with and prolong montant 18; Prolong on the montant 18 from top to bottom activity respectively upper limit channel-section steel 19, lower limit channel-section steel 20 peaceful platform trough steel 21 are housed; Wherein the most inboard prolongation montant the preceding paragraph is dismountable transition montant 22; Platform channel-section steel 21 is put on the shelf and is provided with the external mold bottom job platform 23 that is positioned at bed die job platform 17 belows, in order to guarantee personnel's job safety, at bed die job platform and external mold bottom job platform periphery job platform railing 26 is housed.External mold truss 5 outsides adopt bolt 24 to be connected with head piece 2, and gap 25 is left in external mold truss 5 junction and the continuous beam casing frange plate outsides inboard and head piece 2.
Concrete application process is following:
(1) strides the closure segment Hanging Basket among the general before the preliminary operation and be fixed on the case beam end of having constructed, head piece jack-up, lock Hanging Basket at case beam preformed hole with fining twisted steel with jack;
(2) turn put in place after, the head piece of jack-uping, the play rail was taken closure segment, transferred head piece, and road wheel is dropped on the rail, promoted whole Hanging Basket and arrived design attitude, the head piece of jack-uping once more makes frange plate template proximate beam face.Tighten up head piece, suspension rod in the outside and the case in installing, and first-class nut.External mold and bed die respectively are autonomous system, can adjust separately separately, and the bed die system class is like the Hanging Basket bed die, and external mold truss and head piece are fixed.External mold leans on bed die, compresses with split bolt, and internal mold adopts wooden model, does support with the rim of a bowl scaffold;
(3) behind the fluid concrete, prepare to remove Hanging Basket behind the prestressed stretch-draw mud jacking.At first transfer the 20cm of bed die system height through bed die jack and bed die suspension rod; The bed die crossbeam is fallen to external mold truss bottom to be prolonged on the lower limit channel-section steel on the montant; The staff removes transition montant and bed die hangar system on bed die job platform and external mold bottom job platform; Laterally extract soffit formwork, the bed die lumps of wood, bed die longeron successively out, and rise to bridge floor after disintegrating, the effect of upper and lower spacing channel-section steel be guarantee bed die crossbeam etc. in unloading process all the time between upper and lower spacing channel-section steel; Avoid coming off, play position-limiting action;
(4) the transition montant of recovery external mold truss bottom; Guarantee the resistance to overturning of truss; Install spacing channel-section steel, after the cross member span centre decomposes, adopt the jack cucurbit that cross member is risen to bridge floor to outside pull, limit cutting after disintegrating; Final stage cross member and the welding of spacing channel-section steel are fixing, and synchronous segmenting was removed when the bed die job platform was taken out outward with the bed die crossbeam;
(5) lay bridge floor Hanging Basket rail, external mold truss and head piece are transferred to road wheel rail, the foot guard platform folds; External mold girt in removing; Remove internal mold, loosen the external mold suspension rod, exterior sheathing breaks away from the beam body; When exterior sheathing open reach walking states after, along track hanging basket device is drawn to beyond the railway clearance and removes.
Claims (2)
1. the hanging basket device of a closure construction of continuous box girders comprises the head piece (2) that is positioned at continuous box girder (1) top, is installed on the road wheel (3) of both sides, head piece below and is installed on continuous box girder (1) Liang Mianshang and the rail (4) relative with road wheel (3) position; The bed die crossbeam (7), bed die longeron (8), the bed die lumps of wood (9) and the soffit formwork (10) that also comprise external mold truss (5), the exterior sheathing (6) that hangs on head piece (2) two ends respectively and be positioned at continuous box girder (1) bottom; It is characterized in that the below is provided with external mold carrying crossbeam (11) in the external mold truss (5), external mold carries crossbeam (11) through external mold jack (12), external mold suspension rod (13) and the suspention of head piece (2) two ends; Bed die crossbeam (7) two ends are connected with head piece (2) two ends through at least one bed die jack (14) and at least one foundation mould suspension rod (15) respectively; Bed die crossbeam (7) below is hung with bed die job platform (17) through link plate (16); External mold truss (5) below is connected with and prolongs montant (18); Prolong on the montant (18) from top to bottom activity respectively upper limit channel-section steel (19), the peaceful platform trough steel of lower limit channel-section steel (20) (21) are housed; Wherein the most inboard prolongation montant the preceding paragraph is dismountable transition montant (22), and platform channel-section steel (21) is put on the shelf and is provided with the external mold bottom job platform (23) that is positioned at bed die job platform (17) below.
2. the hanging basket device of closure construction of continuous box girders according to claim 1; It is characterized in that external mold truss (5) outside and head piece (2) adopt bolt (24) to be connected, gap (25) is left in external mold truss (5) junction and the continuous beam casing frange plate outside inboard and head piece (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102860911A CN101929130B (en) | 2010-09-19 | 2010-09-19 | Hanging basket device for closure construction of continuous box girders |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102860911A CN101929130B (en) | 2010-09-19 | 2010-09-19 | Hanging basket device for closure construction of continuous box girders |
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| Publication Number | Publication Date |
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| CN101929130A CN101929130A (en) | 2010-12-29 |
| CN101929130B true CN101929130B (en) | 2012-01-04 |
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| CN2010102860911A Active CN101929130B (en) | 2010-09-19 | 2010-09-19 | Hanging basket device for closure construction of continuous box girders |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102174796B (en) * | 2011-04-06 | 2012-07-25 | 湖南中铁五新钢模有限责任公司 | Cantilever casting construction cradle with underlaid main truss |
| CN102198695B (en) * | 2011-04-19 | 2012-11-14 | 中铁二十四局集团有限公司 | Longitudinal moving method for outside die of box girder outer film |
| CN102561193A (en) * | 2011-12-23 | 2012-07-11 | 中铁四局集团第五工程有限公司 | Construction technology of closure section for rotary continuous beam for overpass electrified railway and hanging basket thereof |
| CN103669902B (en) * | 2013-12-31 | 2015-07-15 | 中建铁路建设有限公司 | Cast-in-place beam support truss integral dropping and dismounting tool and construction method thereof |
| CN105970814A (en) * | 2016-05-20 | 2016-09-28 | 中建三局基础设施工程有限公司 | Construction method of existing railway line-spanned swing bridge closure segment |
| CN108425323B (en) * | 2018-03-23 | 2019-08-23 | 中铁建大桥工程局集团第四工程有限公司 | A kind of cast-in-place box beam assembled moving template |
| CN109682690B (en) * | 2019-01-22 | 2024-04-02 | 中铁十六局集团第五工程有限公司 | Intelligent loading system for hanging basket simulation |
| CN110184947B (en) * | 2019-04-30 | 2020-10-30 | 安徽省公路桥梁工程有限公司 | Box girder hanging basket suspension casting system and construction method |
| CN112252192B (en) * | 2020-10-13 | 2022-08-12 | 江苏常凌交通工程有限公司 | Bridge cantilever closes up section and pours equipment |
| CN113494054B (en) * | 2021-07-26 | 2023-12-26 | 中国建筑土木建设有限公司 | Template system of cantilever pouring construction folding section and construction method thereof |
| CN114197330B (en) * | 2021-12-21 | 2024-04-16 | 中铁大桥局第七工程有限公司 | Active closure method for large-span steel truss arch |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4056540B2 (en) * | 2005-08-08 | 2008-03-05 | 三井住友建設株式会社 | Bridge girder construction method |
| JP2008031768A (en) * | 2006-07-31 | 2008-02-14 | Ps Mitsubishi Construction Co Ltd | Cantilever overhanging erection method for corrugated steel plate web box girder bridge |
| CN201473889U (en) * | 2009-06-12 | 2010-05-19 | 中铁二十二局集团第一工程有限公司 | Aslant-stayed three-cornered hanging basket |
| CN101691742B (en) * | 2009-10-10 | 2011-04-13 | 中铁十一局集团第四工程有限公司 | Construction method for back cable-balancing single-side cantilever concreted beam bodies of slant-legged rigid frame bridges |
| CN201785704U (en) * | 2010-09-19 | 2011-04-06 | 中铁十二局集团有限公司 | Cradle device of continuous box beam folding-segment construction |
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