CN103382700A - Movable die frame girder device and method suitable for construction of single side widening box girder with large width - Google Patents

Movable die frame girder device and method suitable for construction of single side widening box girder with large width Download PDF

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Publication number
CN103382700A
CN103382700A CN2013102141921A CN201310214192A CN103382700A CN 103382700 A CN103382700 A CN 103382700A CN 2013102141921 A CN2013102141921 A CN 2013102141921A CN 201310214192 A CN201310214192 A CN 201310214192A CN 103382700 A CN103382700 A CN 103382700A
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China
Prior art keywords
support bracket
girder
triangular support
construction
crossbeam
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CN2013102141921A
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CN103382700B (en
Inventor
刘勇
杨如刚
冯家彪
邓亨长
唐中波
沈帅
伏冠西
龙德
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Sichuan Road and Bridge Group Co Ltd
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Sichuan Road and Bridge Group Co Ltd
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Priority to CN201310214192.1A priority Critical patent/CN103382700B/en
Publication of CN103382700A publication Critical patent/CN103382700A/en
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Abstract

The invention discloses a movable die frame girder device suitable for the construction of a widening box girder with large width, which is characterized by comprising a triangle support frame, wherein the triangle support frame and the die frame girder form an integral, and the triangle support frame is connected with a template cross beam; the triangle support frame comprises triangle support frame horizontal rods and triangle support frame slanting rods which are fixedly connected through connecting pins; the triangle support frame horizontal rods and girder upper lug plate seats are fixedly connected through connecting pins; the triangle support frame slanting rods and girder lower lug plate seats are fixedly connected through connecting pins; a vertical jack on the triangle support frame supports and connects the template cross beam and the die frame girder to form an integral. According to the application of the invention, through the utilization of the device, the lateral stiffness and bearing capacity of the movable die frame can be improved, and the construction requirements of the widening box girder with the large width are satisfied, under the condition of not increasing the cross beam fracture surface size.

Description

The mobile formwork girder device and the method that adapt to the monolateral box girder construction that broadens of large width
Technical field
The present invention relates to field of civil engineering, is specifically the broaden mobile formwork lateral means of case beam of a kind of large width that is adapted to construct.
Background technology
Mobile formwork bridge fabrication machine is a kind of template that carries, the construction machinery that bridge is carried out cast in situs.Its main feature: construction quality is good, and constructing operation is easy, and is with low cost etc.Abroad, being employed in widely in the Construction of continuous beam of road bridge, railway bridge, is comparatively advanced job practices.Domestic the beginning used on speedway, special line for passenger trains.Conventional mobile formwork is applicable to the construction of wide case beam.For large width broaden, the large case beam of beam section Cast-in-place concrete side amount, adopt Construction Through Form on Traveler, there is no successful experience can use for reference.Because mobile formwork is as an equipment that carries template, carry out large width Roadway Construction under the prerequisite that does not increase the crossbeam cross dimensions, its template crossbeam is difficult to satisfy large width broaden box girder construction demand lateral stiffness, intensity and stability, if adjust by increasing the crossbeam cross dimensions, so will greatly increase the weight of template crossbeam, increase the difficulty of construction that mobile formwork template crossbeam peace is torn open; Due to the large width of case beam, crossbeam length is large, and during the folding mould, template crossbeam jib-length is large, in template crossbeam and girder, the larger pulling force of spiral top junction, the outside monolateral generation of meeting, easily cause structural deterioration, and its anti-overturning is poor, and the crossbeam amount of deflection is large, folding mould constructional difficulties.Therefore need to adopt a kind of new structure to solve problem.
Summary of the invention
The object of the present invention is to provide a kind of mobile formwork girder adjusting device, be well positioned to meet lateral stiffness, intensity and the stability of mould bases crossbeam when the large width of construction broadens the case beam, avoid the structure generation moderate finite deformation, safety when guaranteeing the folding of template crossbeam, this device utilizes conventional crane gear to assemble and to install, and is convenient to concrete operations.
The present invention is achieved in that a structure kind adapts to the broaden mobile formwork girder device of box girder construction of large width, and it is characterized in that: comprise triangular support bracket, triangular support bracket and mould bases girder form integral body, triangular support bracket support and connection template crossbeam;
Described triangular support bracket comprises triangular support bracket horizon bar and triangular support bracket brace, and bracing frame horizon bar and triangular support bracket brace are by the fixing pin joint of connecting pin;
Triangular support bracket horizon bar and girder upper ear plate seat are by the fixing pin joint of connecting pin; Triangular support bracket brace and girder lower ear plate seat are by the fixing pin joint of connecting pin, and on triangular support bracket, vertical jack support and connection template crossbeam and mould bases girder form integral body.
According to a kind of mobile formwork girder device that adapts to the monolateral box girder construction that broadens of large width of the present invention, it is characterized in that: the upper ear plate seat that arranges on the outside in widening the girder of side, lower ear plate seat keep with one heart, widen that on the side girder, lower ear plate is connected with described triangular support bracket by connecting pin, but gusseted horizontal direction rotation, thereby improve mobile formwork lateral stiffness, bearing capacity and stability, be convenient to template crossbeam folding mould, guarantee the safety of its structure, satisfy the broaden needs of case beam of the large width of construction.
A kind of broaden method of operating of mobile formwork girder device of box girder construction of large width that adapts to is characterized in that: comprising:
when mobile formwork is built state, widen in the side girder and on the outside, concentric upper ear plate and lower ear plate are set, triangular support bracket horizon bar and brace triangular support bracket brace are by the fixing pin joint of connecting pin, utilize crane gear that triangular support bracket horizon bar and triangular support bracket brace are vertically sling, the triangular support bracket horizon bar is inserted girder upper ear plate seat by the fixing pin joint of connecting pin, then the triangular support bracket brace is placed on girder lower ear plate seat by the fixing pin joint of connecting pin, triangular support bracket jackscrew supporting traverse (outside jack comes to nothing with the template crossbeam in girder) thus formation stable triangular stress morphology, under the condition that does not increase crossbeam weight, reduce the crossbeam span and improve the large width of construction broaden mobile formwork lateral stiffness, intensity and stability under case beam operating mode, satisfy the construction needs,
When mould bases via hole state, during template crossbeam folding mould, interior outside triangular support bracket is the horizontal development state, by triangular support bracket support shuttering crossbeam, jib-length in the time of can reducing template crossbeam folding mould, thereby reduce its amount of deflection, facilitate the construction of folding mould, improve its anti-overturning.When pier was crossed in mould bases vertical shift die sinking, outside mould, tripod was horizontal development state support shuttering crossbeam; Inboard triangular support bracket can make it horizontally rotate 90 ° with chain block, and triangular support bracket is folded state, and the girder pier shaft of walking avoids itself and pier shaft to interfere.After the template crossbeam was crossed pier, rotary triangle was supported for the horizontal development state, facilitated its matched moulds.
The up and down ear plate base is set on the outside in widening the girder of side makes triangular support bracket and mould bases girder form integral body by connecting pin, triangular support bracket support and connection template crossbeam (in girder, outside spiral top and template crossbeam come to nothing).Be rotated into horizontal development state support shuttering crossbeam by widening side girder triangular support bracket when building state, reduce template crossbeam span.Not increasing under the condition of template beam structure deadweight, increase mould bases transverse strength and rigidity, satisfy the broaden construction needs of case beam of large width.When the mould bases via hole, utilize triangular support bracket horizontal development support shuttering crossbeam, the jib-length when reducing its folding, easy construction and safety thereof when guaranteeing crossbeam folding mould.When pier was crossed in the mobile formwork vertical shift simultaneously, the inboard triangular support bracket horizontal direction of girder half-twist was avoided widening the inboard triangular support bracket of side girder and pier shaft and is interfered, and facilitates via hole.
The invention has the advantages that: mobile formwork girder adjusting device, be well positioned to meet lateral stiffness, intensity and the stability of mould bases crossbeam when the large width of construction broadens the case beam, avoid the structure generation moderate finite deformation, safety when guaranteeing the folding of template crossbeam, this device utilizes conventional crane gear to assemble and to install, and is convenient to concrete operations.Widen that on the side girder, lower ear plate is connected with triangular support bracket by connecting pin, but gusseted horizontal direction rotation, thereby improve mobile formwork lateral stiffness, intensity and stability, be convenient to template crossbeam folding mould, guarantee the safety (improve overturning or slip resistance analysis performance) of its structure, satisfy the broaden needs of case beam of the large width of construction.By enforcement of the present invention: (1), under the condition that does not increase the crossbeam cross dimensions, utilize this device can improve mobile formwork lateral stiffness and intensity, satisfy the large width box girder construction needs that broaden; (2), triangular support bracket is simple and reliable for structure, guarantees structural safety and the easy construction of template crossbeam during the folding mould, and can horizontally rotate when crossing pier, avoids the interference of inboard triangular support bracket and pier shaft to facilitate the girder vertical shift to cross pier; (3), install, change convenient, process factory in, the scene utilizes simple tool to install and to change.
Description of drawings
Fig. 1 is the unitary construction figure that in the present invention, the mobile formwork girder is widened adjusting device
Fig. 2 is middle girder otic placode cover constructional drawing of the present invention
Fig. 3 a is middle girder upper ear plate seat schematic side view of the present invention
Fig. 3 b is that middle girder upper ear plate seat master of the present invention looks schematic diagram
Fig. 3 c is middle girder lower ear plate seat schematic side view of the present invention
Fig. 3 d is that middle girder lower ear plate seat master of the present invention looks schematic diagram
Fig. 4 a is intermediate cam bracing frame horizon bar constructional drawing of the present invention
Fig. 4 b is intermediate cam bracing frame horizon bar schematic top plan view of the present invention
Fig. 4 c is intermediate cam bracing frame horizon bar schematic side view of the present invention
Fig. 5 a is intermediate cam bracing frame brace constructional drawing of the present invention
Fig. 5 b is intermediate cam bracing frame brace schematic top plan view of the present invention
Fig. 5 c is intermediate cam bracing frame brace schematic side view of the present invention
Fig. 6 is connecting pin constructional drawing in the present invention
Fig. 7 a-7e is tripod scheme of installation of the present invention
Fig. 8 be the mobile formwork die sinking when crossing pier girder widen adjusting device and use schematic diagram
In figure: 1, triangular support bracket horizon bar, 2, the triangular support bracket brace, 3, girder upper ear plate seat, 4, girder lower ear plate seat, 5, connecting pin, 6, girder, 7, pier shaft, 8, crossbeam.
The specific embodiment
The present invention is described in detail below in conjunction with accompanying drawing, and the technical scheme in the embodiment of the present invention is clearly and completely described, and obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
As shown in the figure: the invention provides a kind of broaden mobile formwork girder device of box girder construction of large width that adapts to, be well positioned to meet lateral stiffness, intensity and the stability of mould bases crossbeam when the large width of construction broadens the case beam, avoid the structure generation moderate finite deformation, safety when guaranteeing the folding of template crossbeam, this device utilizes conventional crane gear to assemble and to install, and is convenient to concrete operations; This device comprises triangular support bracket, and triangular support bracket and mould bases girder form integral body, triangular support bracket support and connection template crossbeam.
Described triangular support bracket comprises triangular support bracket horizon bar 1 and triangular support bracket brace 2, and bracing frame horizon bar 1 and triangular support bracket brace 2 pass through fixedly pin joint of connecting pin 5;
Triangular support bracket horizon bar 1 and girder upper ear plate seat 3 pass through fixedly pin joint of connecting pin 5; Triangular support bracket brace 2 and girder lower ear plate seat 4 pass through fixedly pin joint of connecting pin 5, and on triangular support bracket, vertical jack support and connection template crossbeam and mould bases girder form integral body.
The upper ear plate seat 3 that arranges on the outside in widening the girder of side, lower ear plate seat 4 keep with one heart.Widening lower ear plate 3 on the side girder, 4 is connected with described triangular support bracket by connecting pin 5, but gusseted horizontal direction rotation, thereby improve mobile formwork lateral stiffness, intensity and stability, be convenient to template crossbeam folding mould, guarantee the safety of its structure, satisfy the broaden needs of case beam of the large width of construction.
A kind of broaden method of operating of mobile formwork girder device of box girder construction of large width that adapts to comprises:
when mobile formwork is built state, widen in the side girder and on the outside, concentric upper ear plate 3 and lower ear plate 4 are set, triangular support bracket horizon bar 1 and triangular support bracket brace 2 pass through fixedly pin joint of connecting pin 5, utilize crane gear that triangular support bracket horizon bar 1 and triangular support bracket brace 2 are vertically sling, horizon bar 1 is inserted girder upper ear plate seat 3 pass through fixedly pin joint of connecting pin 5, then triangular support bracket brace 2 is placed on and passes through fixedly pin joint of connecting pin 5 on girder lower ear plate seat 4, triangular support bracket jackscrew supporting traverse (outside jack comes to nothing with the template crossbeam in girder) thus formation stable triangular stress morphology.Under the condition that does not increase crossbeam weight, reduce the crossbeam span and improve the large width of construction broaden mobile formwork lateral stiffness, intensity and stability under case beam operating mode, satisfy the construction needs.
When mould bases via hole state, during template crossbeam folding mould, interior outside triangular support bracket is the horizontal development state, by triangular support bracket support shuttering crossbeam, jib-length in the time of can reducing template crossbeam folding mould, thereby reduce its amount of deflection, facilitate the construction of folding mould, improve its anti-overturning.When pier was crossed in mould bases vertical shift die sinking, outside mould, tripod was horizontal development state support shuttering crossbeam; Inboard triangular support bracket can make it horizontally rotate 90 ° with chain block, and triangular support bracket is folded state, and the girder pier shaft of walking avoids itself and pier shaft to interfere.After the template crossbeam was crossed pier, rotary triangle was supported for the horizontal development state, facilitated its matched moulds.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, realization in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (3)

1. one kind adapts to the broaden mobile formwork girder device of box girder construction of large width, and it is characterized in that: comprise triangular support bracket, triangular support bracket and mould bases girder form integral body, triangular support bracket support and connection template crossbeam;
Described triangular support bracket comprises triangular support bracket horizon bar (1) and triangular support bracket brace (2), and bracing frame horizon bar (1) and triangular support bracket brace (2) pass through fixedly pin joint of connecting pin (5);
Triangular support bracket horizon bar (1) and girder upper ear plate seat (3) pass through fixedly pin joint of connecting pin (5); Triangular support bracket brace (2) and girder lower ear plate seat (4) pass through fixedly pin joint of connecting pin (5), and on triangular support bracket, vertical jack support and connection template crossbeam and mould bases girder form integral body.
2. a kind of mobile formwork girder device that adapts to the monolateral box girder construction that broadens of large width according to claim 1, it is characterized in that: the upper ear plate seat (3) that arranges on the outside in widening the girder of side, lower ear plate seat (4) keep with one heart, widening lower ear plate on the side girder (3,4) is connected with described triangular support bracket by connecting pin (5), but gusseted horizontal direction rotation, thereby improve mobile formwork lateral stiffness, bearing capacity and stability, be convenient to template crossbeam folding mould, guarantee the safety of its structure, satisfy the broaden needs of case beam of the large width of construction.
3. one kind adapts to the broaden method of operating of mobile formwork girder device of box girder construction of large width, it is characterized in that: comprising:
a, when mobile formwork is built state, widen in the side girder and on the outside, concentric upper ear plate seat (3) and lower ear plate seat (4) are set, triangular support bracket horizon bar (1) and brace triangular support bracket brace (2) pass through fixedly pin joint of connecting pin (5), utilize crane gear that triangular support bracket horizon bar (1) and brace triangular support bracket brace (2) are vertically sling, triangular support bracket horizon bar (1) is inserted girder upper ear plate seat (3) pass through fixedly pin joint of connecting pin (5), then triangular support bracket brace (2) is placed on the upper fixedly pin joint of connecting pin (5) that passes through of girder lower ear plate seat (4), thereby triangular support bracket jackscrew supporting traverse forms the stable triangular stress morphology, under the condition that does not increase crossbeam weight, reduce the crossbeam span and improve the large width of construction broaden mobile formwork lateral stiffness, bearing capacity and stability under case beam operating mode, satisfy the construction needs,
B, when mould bases is built state, during template crossbeam folding mould in the outside triangular support bracket be the horizontal development state, by triangular support bracket support shuttering crossbeam, jib-length in the time of can reducing template crossbeam folding mould, thereby reduce its amount of deflection, facilitate the construction of folding mould, improve its anti-overturning;
When pier was crossed in mould bases vertical shift die sinking, outside tripod was horizontal development state support shuttering crossbeam; Inboard triangular support bracket can make it horizontally rotate 90 ° with chain block, and triangular support bracket is folded state, and the girder pier shaft of walking avoids itself and pier shaft to interfere;
After the template crossbeam was crossed pier, rotary triangle was supported for the horizontal development state, facilitated its matched moulds.
CN201310214192.1A 2013-06-03 2013-06-03 Movable die frame girder device and method suitable for construction of single side widening box girder with large width Active CN103382700B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103452052A (en) * 2013-08-26 2013-12-18 中铁六局集团有限公司 Movable mold hanging equipment for closing swivel bridges and closure section construction method
CN113529549A (en) * 2021-07-30 2021-10-22 四川公路桥梁建设集团有限公司 Bridge head pavement subsidence nondestructive quantitative detection and trenchless rapid treatment grouting construction method

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FR2788802A1 (en) * 1999-01-21 2000-07-28 Coffrages Nony Formwork assembly for cantilever bridge apron has triangular structures each with two beams forming dihedron with angular opening rapidly set and locked with leg
US20080060146A1 (en) * 2004-09-25 2008-03-13 Han Man-Yop Hollow Prestressed Concrete (Hpc) Girder and Spliced Hollow Prestressed Concrete Girder (S-Hpc) Bridge Construction Method
CN101660296A (en) * 2009-09-08 2010-03-03 中铁九局集团有限公司 Method for casting concrete 0# block support by continuous beam cantilever
CN201495493U (en) * 2009-06-05 2010-06-02 中交第一公路工程局有限公司 Counter-pressure preloading device of hydraulic jack
CN101942810A (en) * 2010-10-18 2011-01-12 中铁十九局集团第二工程有限公司 Independent bridge pier cover beam formwork bracket
CN201817774U (en) * 2010-10-22 2011-05-04 山东省路桥集团有限公司 Triangular support of support system
CN202000262U (en) * 2011-02-14 2011-10-05 佛山市三水中德路桥材料有限公司 Bridge triangular hanging basket

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2788802A1 (en) * 1999-01-21 2000-07-28 Coffrages Nony Formwork assembly for cantilever bridge apron has triangular structures each with two beams forming dihedron with angular opening rapidly set and locked with leg
US20080060146A1 (en) * 2004-09-25 2008-03-13 Han Man-Yop Hollow Prestressed Concrete (Hpc) Girder and Spliced Hollow Prestressed Concrete Girder (S-Hpc) Bridge Construction Method
CN201495493U (en) * 2009-06-05 2010-06-02 中交第一公路工程局有限公司 Counter-pressure preloading device of hydraulic jack
CN101660296A (en) * 2009-09-08 2010-03-03 中铁九局集团有限公司 Method for casting concrete 0# block support by continuous beam cantilever
CN101942810A (en) * 2010-10-18 2011-01-12 中铁十九局集团第二工程有限公司 Independent bridge pier cover beam formwork bracket
CN201817774U (en) * 2010-10-22 2011-05-04 山东省路桥集团有限公司 Triangular support of support system
CN202000262U (en) * 2011-02-14 2011-10-05 佛山市三水中德路桥材料有限公司 Bridge triangular hanging basket

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103452052A (en) * 2013-08-26 2013-12-18 中铁六局集团有限公司 Movable mold hanging equipment for closing swivel bridges and closure section construction method
CN113529549A (en) * 2021-07-30 2021-10-22 四川公路桥梁建设集团有限公司 Bridge head pavement subsidence nondestructive quantitative detection and trenchless rapid treatment grouting construction method

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