CN103088759A - Prestress lower longitudinal beam bridge cast-in-cantilever construction hanging basket - Google Patents
Prestress lower longitudinal beam bridge cast-in-cantilever construction hanging basket Download PDFInfo
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- CN103088759A CN103088759A CN201210561610XA CN201210561610A CN103088759A CN 103088759 A CN103088759 A CN 103088759A CN 201210561610X A CN201210561610X A CN 201210561610XA CN 201210561610 A CN201210561610 A CN 201210561610A CN 103088759 A CN103088759 A CN 103088759A
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Abstract
The invention relates to a prestress lower longitudinal beam bridge cast-in-cantilever construction hanging basket which can solve the problems that an existing web lower longitudinal beam is small in separation distance, material utilization amount is large, and economical performance is poor. The prestress lower longitudinal beam bridge cast-in-cantilever construction hanging basket comprises a running system, a primary truss, a hoisting system, a template system and an anchor system, wherein steel base plates are respectively fixed at two ends of the bottom of a web lower longitudinal beam of the hoisting system, cable-stayed plates are fixed on the inner side faces of the steel base plates, the top faces of the cable-stayed plates are fixed on the web lower longitudinal beam, a steel plate is fixed in the middle of the bottom of the web lower longitudinal beam, a round hole is formed in the middle of the steel plate, a steel pipe is fixed in the round hole, a lower link which penetrates through the steel base plates and the cable-stayed plates is arranged in the steel pipe, and two ends of the lower link are fixed on the outer sides of the steel base plates. The prestress lower longitudinal beam bridge cast-in-cantilever construction hanging basket is unique and novel in structure, firm and durable, high in safety factor, and good in economic performance.
Description
Technical field
The present invention relates to building implements, particularly stringer bridge girder cantilever pouring construction Hanging Basket under a kind of prestressing force.
Background technology
Bridge cantilever pouring concrete generally adopts Hanging Basket to construct, bridge load is passed to lower longeron by the base plate template, lower longeron Load Transfer by suspender belt, main couple, rear anchor system, thereby is passed to previous concrete of building to front lower transverse beam and rear lower transverse beam; And along with the lengthening of bridge span, build block also more and more longer, heavier, because web and the base plate thickness of bridge are different, different loading is very large, and longeron fulcrum place shaped steel equal altitudes under the web of bridge and base plate place, in order to guarantee the stressed safety requirements of member structure, under bridge web place, girder space is very little, and material usage is large; And under the base plate place, longeron can not be brought into play its mechanical property, causes the economy variation of Hanging Basket.
Summary of the invention
The problems such as for above-mentioned situation, for overcoming the defective of prior art, the present invention's purpose just is to provide stringer bridge girder cantilever pouring construction Hanging Basket under a kind of prestressing force, can solve effectively that now girder space is little, and the large and economic performance of material usage is poor.
the technical scheme of its solution is, comprise system out of shape, main couple, Lift-on/Lift-off System, template system and anchor system, walking system comprises interior sliding beam and the walking rails of the outer sliding beam that becomes the external side of beam, beam body inboard, outer sliding beam through suspender belt be hung at beam body frange plate below, interior sliding beam is hung in the beam body, walking rails vertically is fixed in beam body upper surface, between walking rails and beam body, pad is arranged, main couple comprises top rail, upper longeron, column, upper longeron is connected with walking rails by anti-change gear, upper longeron mid portion is fixed with column, the other end of column is connected with an end of two diagonal members, the other end of two diagonal members is connected with the two ends of upper longeron respectively and consists of the isosceles triangle truss, connect and compose main couple through lateral mechanism between the two triangle truss, top rail before and after being fixed with respectively before and after main couple, main couple integral body is placed on walking rails and by anchor system and is fixed on Liang Tishang, Lift-on/Lift-off System comprises front lower transverse beam and rear lower transverse beam, front lower transverse beam is hanging connected on front top rail through suspender belt, rear lower transverse beam two ends are after suspender belt is lifted on top rail, the mid portion of rear lower transverse beam is lifted on Liang Tishang through suspender belt, between the crossbeam of front and back, many lower longerons are arranged, corresponding with beam body base plate is longeron under base plate, corresponding with beam body web is longeron under web, under web, the two ends, bottom of longeron are fixed with respectively billet, the billet medial surface is fixed with the oblique pull plate, the end face of oblique pull plate is fixed under web on longeron, under web, longeron bottom mid portion is fixed with steel plate, the steel plate mid portion has a circular hole, be fixed with steel pipe in circular hole, the lower link that passes billet and oblique pull plate is arranged in steel pipe, the two ends of lower link are fixed on the outside of billet through nut, template system comprises soffit formwork, exterior sheathing, inner formword and end mould, soffit formwork is fixed on the lower transverse beam of front and back through lower longeron, the exterior sheathing upper end is fixed on outer sliding beam, the lower end is fixed on the lower transverse beam of front and back, inner-film plate is fixed on interior sliding beam, and the end mould is fixed on the opening part of inner-film plate and exterior sheathing composition.
Structure of the present invention is unique novel, and durable, safety factor is high, and economic performance is good.
Description of drawings
Fig. 1 is front view of the present invention.
Fig. 2 is lateral view of the present invention, and wherein left-half is the view at corresponding Dun Ding place, and right half part is the view at corresponding span centre place.
Fig. 3 is web bottom girder structure chart of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
provided by Fig. 1 to Fig. 3, the present invention includes system out of shape, main couple, Lift-on/Lift-off System, template system and anchor system 12, walking system comprises interior sliding beam 3 and the walking rails 4 of the outer sliding beam 2 that becomes beam body 1 outside, beam body 1 inboard, outer sliding beam 2 through suspender belt 15 be hung at beam body 1 frange plate below, interior sliding beam 3 is hung in beam body 1, walking rails 4 vertically is fixed in beam body 1 upper surface, between walking rails 4 and beam body 1, pad 5 is arranged, main couple comprises top rail 6, upper longeron 7, column 8, upper longeron 7 is connected with walking rails 4 by anti-change gear 9, upper longeron 7 mid portions are fixed with column 8, the other end of column 8 is connected with an end of two diagonal members 10, the other end of two diagonal members 10 is connected with the two ends of upper longeron 7 respectively and consists of the isosceles triangle truss, connect and compose main couple through lateral mechanism 11 between the two triangle truss, top rail 6 before and after being fixed with respectively before and after main couple, main couple integral body is placed on walking rails 4 and by anchor system 12 and is fixed on beam body 1, Lift-on/Lift-off System comprises front lower transverse beam 13 and rear lower transverse beam 14, front lower transverse beam 13 is hanging connected on front top rail through suspender belt 15, rear lower transverse beam 14 two ends are after suspender belt is lifted on top rail, the mid portion of rear lower transverse beam 14 is lifted on beam body 1 through suspender belt 15, between the crossbeam of front and back, many lower longerons are arranged, corresponding with beam body 1 base plate is longeron 16 under base plate, corresponding with beam body 1 web is longeron 17 under web, under web, the two ends, bottom of longeron 17 are fixed with respectively billet 21, billet 21 medial surfaces are fixed with oblique pull plate 22, the end face of oblique pull plate 22 is fixed under web on longeron 17, under web, longeron 17 bottom mid portions are fixed with steel plate 23, steel plate 23 mid portions have a circular hole, be fixed with steel pipe 24 in circular hole, the lower link 25 that passes billet 21 and oblique pull plate 22 is arranged in steel pipe 24, the two ends of lower link 25 are fixed on the outside of billet 21 through nut 26, template system comprises soffit formwork 18, exterior sheathing 19, inner formword 20 and end mould, soffit formwork 18 is fixed on the lower transverse beam of front and back through lower longeron, exterior sheathing 19 upper ends are fixed on outer sliding beam 2, the lower end is fixed on the lower transverse beam of front and back, inner-film plate 20 is fixed on interior sliding beam 3, and the end mould is fixed on the opening part of inner-film plate 20 and exterior sheathing 19 compositions.
Said lower link 25 is fining twisted steel.
The present invention is the fixing lower link 25 of longeron 17 times under web corresponding to bridge web, screw the nut 26 at lower link 25 two ends, make lower link 25 apply prestressing force to longeron under web 17, improve integral rigidity and the intensity of longeron 10 under web, greatly improved the bearing capacity of longeron 17 under the web, guaranteeing on rod member stressed safe basis, can reduce the weight of longeron 17 under web and the spacing between expansion, thereby alleviate Hanging Basket weight, construction cost has also further obtained reduction, has improved the economic benefit of project.
Structure of the present invention is unique novel, and durable, safety factor is high, and economic performance is good.
Claims (2)
1. stringer bridge girder cantilever pouring construction Hanging Basket under a prestressing force, comprise system out of shape, main couple, Lift-on/Lift-off System, template system and anchor system, it is characterized in that, walking system comprises the outer sliding beam (2) that becomes beam body (1) outside, interior sliding beam (3) and walking rails (4) that beam body (1) is inboard, outer sliding beam (2) through suspender belt (15) be hung at beam body (1) frange plate below, interior sliding beam (3) is hung in beam body (1), walking rails (4) vertically is fixed in beam body (1) upper surface, between walking rails (4) and beam body (1), pad (5) is arranged, main couple comprises top rail (6), upper longeron (7), column (8), upper longeron (7) is connected with walking rails (4) by anti-change gear (9), upper longeron (7) mid portion is fixed with column (8), the other end of column (8) is connected with an end of two diagonal members (10), the other end of two diagonal members (10) is connected with the two ends of upper longeron (7) respectively and consists of the isosceles triangle truss, connect and compose main couple through lateral mechanism (11) between the two triangle truss, before being fixed with respectively before and after main couple, rear top rail (6), main couple integral body is placed on walking rails (4) and goes up and pass through anchor system (12) and be fixed on beam body (1), Lift-on/Lift-off System comprises front lower transverse beam (13) and rear lower transverse beam (14), front lower transverse beam (13) is hanging connected on front top rail through suspender belt (15), rear lower transverse beam (14) two ends are after suspender belt is lifted on top rail, the mid portion of rear lower transverse beam (14) is lifted on beam body (1) through suspender belt (15), between the crossbeam of front and back, many lower longerons are arranged, corresponding with beam body (1) base plate is longeron under base plate (16), corresponding with beam body (1) web is longeron under web (17), the two ends, bottom of longeron under web (17) are fixed with respectively billet (21), billet (21) medial surface is fixed with oblique pull plate (22), the end face of oblique pull plate (22) is fixed on longeron under web (17), longeron under web (17) bottom mid portion is fixed with steel plate (23), steel plate (23) mid portion has a circular hole, be fixed with steel pipe (24) in circular hole, the lower link (25) that passes billet (21) and oblique pull plate (22) is arranged in steel pipe (24), the two ends of lower link (25) are fixed on the outside of billet (21) through nut (26), template system comprises soffit formwork (18), exterior sheathing (19), inner formword (20) and end mould, soffit formwork (18) is fixed on the lower transverse beam of front and back through lower longeron, exterior sheathing (19) upper end is fixed on outer sliding beam (2), the lower end is fixed on the lower transverse beam of front and back, inner-film plate (20) is fixed on interior sliding beam (3), and the end mould is fixed on the opening part of inner-film plate (20) and exterior sheathing (19) composition.
2. stringer bridge girder cantilever pouring construction Hanging Basket under a kind of prestressing force according to claim 1, is characterized in that, said lower link (25) is fining twisted steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210561610XA CN103088759A (en) | 2012-12-22 | 2012-12-22 | Prestress lower longitudinal beam bridge cast-in-cantilever construction hanging basket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210561610XA CN103088759A (en) | 2012-12-22 | 2012-12-22 | Prestress lower longitudinal beam bridge cast-in-cantilever construction hanging basket |
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|---|---|
| CN103088759A true CN103088759A (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210561610XA Pending CN103088759A (en) | 2012-12-22 | 2012-12-22 | Prestress lower longitudinal beam bridge cast-in-cantilever construction hanging basket |
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| CN (1) | CN103088759A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362074A (en) * | 2013-07-31 | 2013-10-23 | 中交二航局第三工程有限公司 | Bridge cantilever box girder construction hanging basket pre-pressing loading device |
| CN105568869A (en) * | 2015-12-23 | 2016-05-11 | 重庆建工第十一建筑工程有限责任公司 | Walking type triangular hanging basket |
| CN112900287A (en) * | 2021-03-11 | 2021-06-04 | 中铁十六局集团第五工程有限公司 | Cantilever perfusion bridge fabrication machine |
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| JP2009057685A (en) * | 2007-08-29 | 2009-03-19 | Sumitomo Mitsui Construction Co Ltd | Movable suspension support |
| WO2009043750A1 (en) * | 2007-10-04 | 2009-04-09 | Doka Industrie Gmbh | Formwork configuration for the cantilever construction of bridges |
| CN201250384Y (en) * | 2008-08-29 | 2009-06-03 | 山东黄河工程集团有限公司 | Hanging basket |
| CN201605825U (en) * | 2009-12-30 | 2010-10-13 | 贵阳铝镁设计研究院 | Steel beam reinforced structure |
| CN102373673A (en) * | 2011-11-24 | 2012-03-14 | 中铁二十一局集团有限公司 | Bridge construction rolling shaft hanging basket across railway existing line and use method thereof |
| CN102674151A (en) * | 2012-05-28 | 2012-09-19 | 河南中州起重集团有限公司 | Crane girder |
| CN202519592U (en) * | 2012-03-27 | 2012-11-07 | 滨州市博远模板有限公司 | Left-hand wheel running gear of hanging basket |
| CN203295980U (en) * | 2012-12-22 | 2013-11-20 | 中国建筑第七工程局有限公司 | Hang basket for concreting construction of cast-in-cantilever of bridge with prestress lower longitudinal beam |
-
2012
- 2012-12-22 CN CN201210561610XA patent/CN103088759A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009057685A (en) * | 2007-08-29 | 2009-03-19 | Sumitomo Mitsui Construction Co Ltd | Movable suspension support |
| WO2009043750A1 (en) * | 2007-10-04 | 2009-04-09 | Doka Industrie Gmbh | Formwork configuration for the cantilever construction of bridges |
| CN201250384Y (en) * | 2008-08-29 | 2009-06-03 | 山东黄河工程集团有限公司 | Hanging basket |
| CN201605825U (en) * | 2009-12-30 | 2010-10-13 | 贵阳铝镁设计研究院 | Steel beam reinforced structure |
| CN102373673A (en) * | 2011-11-24 | 2012-03-14 | 中铁二十一局集团有限公司 | Bridge construction rolling shaft hanging basket across railway existing line and use method thereof |
| CN202519592U (en) * | 2012-03-27 | 2012-11-07 | 滨州市博远模板有限公司 | Left-hand wheel running gear of hanging basket |
| CN102674151A (en) * | 2012-05-28 | 2012-09-19 | 河南中州起重集团有限公司 | Crane girder |
| CN203295980U (en) * | 2012-12-22 | 2013-11-20 | 中国建筑第七工程局有限公司 | Hang basket for concreting construction of cast-in-cantilever of bridge with prestress lower longitudinal beam |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362074A (en) * | 2013-07-31 | 2013-10-23 | 中交二航局第三工程有限公司 | Bridge cantilever box girder construction hanging basket pre-pressing loading device |
| CN105568869A (en) * | 2015-12-23 | 2016-05-11 | 重庆建工第十一建筑工程有限责任公司 | Walking type triangular hanging basket |
| CN105568869B (en) * | 2015-12-23 | 2017-09-29 | 重庆建工第十一建筑工程有限责任公司 | A kind of walking triangle hanging basket |
| CN112900287A (en) * | 2021-03-11 | 2021-06-04 | 中铁十六局集团第五工程有限公司 | Cantilever perfusion bridge fabrication machine |
| CN112900287B (en) * | 2021-03-11 | 2023-01-24 | 中铁十六局集团第五工程有限公司 | Cantilever perfusion bridge fabrication machine |
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Application publication date: 20130508 |