CN103215896A - Novel variable-section beam moving die frame and construction method thereof - Google Patents
Novel variable-section beam moving die frame and construction method thereof Download PDFInfo
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- CN103215896A CN103215896A CN2013101641713A CN201310164171A CN103215896A CN 103215896 A CN103215896 A CN 103215896A CN 2013101641713 A CN2013101641713 A CN 2013101641713A CN 201310164171 A CN201310164171 A CN 201310164171A CN 103215896 A CN103215896 A CN 103215896A
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- girder
- crossbeam
- bracket
- oil cylinder
- dolly
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Abstract
The invention relates to a novel variable-section beam moving die frame and a construction method thereof. After a box beam is poured, a girder is demolded through a jack and is deflected through a deflection device, and a beam is kept being fixed; then a longitudinal moving oil cylinder pushes the girder to drive the beam and a template to longitudinally move; in the longitudinal moving process, a transverse moving device adjusts the relative positions of the beam and the girder; when the girder longitudinally moves in place, the beam is subjected to die assembling, and the transverse position of the girder is adjusted again by the deflection device; and the jack jacks the girder to be adjusted in place. The variable-section box beam is constructed in a manner that two girders travel in an unparallel manner; a die opening distance is not required to be widened and the length of a bracket is not required to be prolonged; and therefore, a phenomenon of reduction of the stability of a penetration hole is avoided.
Description
Technical field
The present invention relates to the bridge construction field, be specifically related to a kind of mobile formwork and job practices thereof.
Background technology
Conventional mobile formwork via hole, because the influence that does not have the case beam to broaden, can realize the parallel walking of two Pin girders, but for the case beam is the situation of variable cross-section, and just there are many difficulties in the parallel walking of mould bases via hole two girders, for example because the variation of case beam section, if the parallel walking of two girders, need to increase the die sinking distance, increase bracket length, cause the via hole bad stability.In order to guarantee the lateral stability of mobile formwork walking process, must realize the oblique walking of two Pin girders, make the not parallel vertical shift via hole of girder.
Summary of the invention
The present invention provides a kind of novel non-uniform beam mobile formwork and job practices in order to overcome the deficiency of above technology.
The present invention overcomes the technical scheme that its technical problem adopts:
This novel non-uniform beam mobile formwork, comprise the bracket that is installed on the bridge pier, be arranged at the bracket top and lay respectively at the bridge pier both sides girder, be installed on some groups of crossbeams on two girders, be provided with between described girder and the bracket and make girder produce the arrangement for deflecting of skew, be provided with between described girder and the crossbeam and make crossbeam produce traversing Traverse Displacement Unit with respect to girder with respect to bracket.
Above-mentioned arrangement for deflecting comprises and is placed on the bracket dolly and the girder die sinking oil cylinder that can laterally move along bracket, described girder die sinking oil cylinder one end is fixed on the bracket, its other end is fixed on the described dolly, and described girder is positioned on the dolly and can vertically moves with respect to dolly.
Above-mentioned Traverse Displacement Unit comprises the crossbeam die sinking oil cylinder that is arranged at each crossbeam below, and described crossbeam die sinking oil cylinder one end is fixed on the girder, and its other end is fixed on the crossbeam.
Frictional resistance when reducing the girder vertical shift, above-mentioned dolly both sides are respectively arranged with rotating gear wheel, and the distance between described two gear wheels is complementary with the width of described girder.
The present invention also provides a kind of job practices of novel non-uniform beam mobile formwork, may further comprise the steps:
A). after the case beam was built and finished, girder was by the jack stamping die;
B). girder produces skew by arrangement for deflecting, and the crossbeam maintenance is motionless;
C). the vertical shift oil cylinder promotes girder and drives crossbeam and template vertical shift, adjusts relative position between crossbeam and the girder by Traverse Displacement Unit in the vertical shift process;
D). after the girder vertical shift put in place, the crossbeam matched moulds was adjusted the girder lateral attitude once more by arrangement for deflecting, and jack is adjusted the girder jacking to the right place;
In order to improve stability, also comprise by Traverse Displacement Unit some groups of crossbeams that approach bridge pier in the girder vertical shift process are progressively opened, by the process of closing up by Traverse Displacement Unit again behind the bridge pier.
The invention has the beneficial effects as follows: after the case beam was built and finished, girder was by the jack stamping die, and girder produces skew by arrangement for deflecting, and the crossbeam maintenance is motionless.The vertical shift oil cylinder promotes girder and drives crossbeam and template vertical shift afterwards, adjusts relative position between crossbeam and the girder by Traverse Displacement Unit in the vertical shift process.After the girder vertical shift put in place, the crossbeam matched moulds was adjusted the girder lateral attitude once more by arrangement for deflecting, and jack is adjusted the girder jacking to the right place.By making the not parallel walking construction of two girders box girder with variable cross section, do not need to increase the die sinking distance and increase bracket length, therefore can not cause the situation of via hole bad stability to take place.
Description of drawings
Fig. 1 is a cross-sectional configuration schematic diagram of the present invention;
Fig. 2 is a plan structure schematic diagram of the present invention;
Fig. 3 is the local structure for amplifying schematic diagram of A among Fig. 1;
Fig. 4 is the local structure for amplifying schematic diagram of B among Fig. 2;
Among the figure, 1. bridge pier 2. girder die sinking oil cylinders 3. dollies 4. crossbeams 5. girders 6. brackets 7. crossbeam die sinking oil cylinders 8. gear wheels.
The specific embodiment
Below in conjunction with accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, the present invention will be further described for accompanying drawing 4.
Shown in accompanying drawing 1, accompanying drawing 2, this non-uniform beam mobile formwork, comprise the bracket 6 that is installed on the bridge pier 1, be arranged at bracket 6 tops and lay respectively at bridge pier 1 both sides girder 5, be installed on the some groups of crossbeams 4 on two girders 5, be provided with between described girder 5 and the bracket 6 and make girder 5 produce the arrangement for deflecting of skew, be provided with between described girder 5 and the crossbeam 4 and make crossbeam 4 with respect to the traversing Traverse Displacement Unit of girder 5 generations with respect to bracket 6.After the case beam was built and finished, girder 5 was by the jack stamping die, and girder 5 produces skew by arrangement for deflecting, and crossbeam 4 keeps motionless.The vertical shift oil cylinder promotes girder 5 and drives crossbeam 4 and template vertical shifts afterwards, adjusts relative position between crossbeam 4 and the girder 5 by Traverse Displacement Unit in the vertical shift process.After girder 5 vertical shifts put in place, the crossbeam matched moulds was adjusted girder 5 lateral attitudes once more by arrangement for deflecting, and jack is adjusted girder 5 jackings to the right place.By making the not parallel walking construction of two girders box girder with variable cross section, do not need to increase the die sinking distance and increase bracket length, therefore can not cause the situation of via hole bad stability to take place.
As shown in Figure 4, above-mentioned arrangement for deflecting comprises and is placed on the bracket 6 dolly 3 and the girder die sinking oil cylinders 2 that can laterally move along bracket 6, described girder die sinking oil cylinder 2 one ends are fixed on the bracket 6, its other end is fixed on the described dolly 3, and described girder 5 is positioned on the dolly 3 and can vertically moves with respect to dolly 3.As shown in Figure 3, the girder die sinking oil cylinder 2 on the right side bridge pier 1 outwards ejects, thereby driving trolley 3 laterally moves laterally along bracket 6, and the girder die sinking oil cylinder 2 on the left side bridge pier 1 is failure to actuate, and this moment, deflection laterally can appear in girder 5.Therefore the oblique walking of two Pin girders is provided, has made the effective solution of the not parallel vertical shift via hole of girder.
As shown in Figure 3, above-mentioned Traverse Displacement Unit comprises the crossbeam die sinking oil cylinder 7 that is arranged at each crossbeam 4 below, and described crossbeam die sinking oil cylinder 7 one ends are fixed on the girder 4, and its other end is fixed on the crossbeam 4.Crossbeam die sinking oil cylinder 7 can promote crossbeam 4 and move with respect to girder 5, and the some groups of crossbeams 4 that approach bridge pier 1 in the girder 5 vertical shift processes are progressively opened, and drives every group of crossbeam 4 matched moulds by bridge pier 1 rear cross beam die sinking oil cylinder 7.Because crossbeam 4 must could pass through bridge pier 1 after the die sinking, and the crossbeam 4 after the die sinking occurs thereby unsettled situation may occur owing to be cantilever position with respect to girder 5.Therefore crossbeam 4 matched moulds after crossing bridge pier 1 can effectively improve stability, thereby has guaranteed production safety.
Above-mentioned dolly 3 both sides are respectively arranged with rotating gear wheel 8, and the distance between described two gear wheels 8 is complementary with the width of described girder 5.Because girder 5 vertical shift meeting when heeling condition makes girder 5 with respect to dolly 3 length travel be arranged, therefore, gear wheel 8 can make girder 5 when dolly 3 moves, reduce resistance by being set, improved the stationarity that moves.
Claims (6)
1. novel non-uniform beam mobile formwork, it is characterized in that: comprise the bracket (6) that is installed on the bridge pier (1), be arranged at bracket (6) top and lay respectively at bridge pier (1) both sides girder (5), be installed on the some groups of crossbeams (4) on two girders (5), be provided with between described girder (5) and the bracket (6) and make girder (5) produce the arrangement for deflecting of skew, be provided with between described girder (5) and the crossbeam (4) and make crossbeam (4) with respect to the traversing Traverse Displacement Unit of girder (5) generation with respect to bracket (6).
2. novel non-uniform beam mobile formwork according to claim 1, it is characterized in that: described arrangement for deflecting comprises and is placed on the bracket (6) dolly (3) and the girder die sinking oil cylinder (2) that can laterally move along bracket (6), described girder die sinking oil cylinder (2) one ends are fixed on the bracket (6), its other end is fixed on the described dolly (3), and described girder (5) is positioned at dolly (3) and goes up and can vertically move with respect to dolly (3).
3. novel non-uniform beam mobile formwork according to claim 1 and 2, it is characterized in that: described Traverse Displacement Unit comprises the crossbeam die sinking oil cylinder (7) that is arranged at each crossbeam (4) below, described crossbeam die sinking oil cylinder (7) one ends are fixed on the girder (4), and its other end is fixed on the crossbeam (4).
4. novel non-uniform beam mobile formwork according to claim 2 is characterized in that: described dolly (3) both sides are respectively arranged with rotating gear wheel (8), and the distance between described two gear wheels (8) is complementary with the width of described girder (5).
5. the job practices of a novel non-uniform beam mobile formwork as claimed in claim 1 is characterized in that: may further comprise the steps:
A). after the case beam was built and finished, girder (5) was by the jack stamping die;
B). girder (5) produces skew by arrangement for deflecting, and crossbeam (4) maintenance is motionless;
C). the vertical shift oil cylinder promotes girder (5) and drives crossbeam (4) and template vertical shift, adjusts relative position between crossbeam (4) and the girder (5) by Traverse Displacement Unit in the vertical shift process;
D). after girder (5) vertical shift put in place, the crossbeam matched moulds was adjusted girder (5) lateral attitude once more by arrangement for deflecting, and jack is adjusted girder (5) jacking to the right place.
6. job practices according to claim 5, it is characterized in that: also comprise by Traverse Displacement Unit the some groups of crossbeams (4) that approach bridge pier (1) in girder (5) the vertical shift process are progressively opened, by the process of closing up by Traverse Displacement Unit again behind the bridge pier (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101641713A CN103215896A (en) | 2013-05-07 | 2013-05-07 | Novel variable-section beam moving die frame and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101641713A CN103215896A (en) | 2013-05-07 | 2013-05-07 | Novel variable-section beam moving die frame and construction method thereof |
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| CN103215896A true CN103215896A (en) | 2013-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013101641713A Pending CN103215896A (en) | 2013-05-07 | 2013-05-07 | Novel variable-section beam moving die frame and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110528395A (en) * | 2019-09-23 | 2019-12-03 | 中交第二航务工程局有限公司 | A kind of grouping folding mobile formwork and its curve are crossed across construction method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005113579A (en) * | 2003-10-09 | 2005-04-28 | Taisei Corp | Movable form support |
| CN101806038A (en) * | 2010-03-29 | 2010-08-18 | 山东省路桥集团有限公司 | Curved box girder sliding mold frame and construction method |
| CN102660925A (en) * | 2012-06-06 | 2012-09-12 | 长安大学 | Moveable formwork for variable-width curved bridge |
| CN102953338A (en) * | 2012-11-20 | 2013-03-06 | 山东省路桥集团有限公司 | Open and close control system for mould |
| CN203200669U (en) * | 2013-05-07 | 2013-09-18 | 山东博瑞重型机械有限公司 | Novel movable framework for box girder with variable cross sections |
-
2013
- 2013-05-07 CN CN2013101641713A patent/CN103215896A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005113579A (en) * | 2003-10-09 | 2005-04-28 | Taisei Corp | Movable form support |
| CN101806038A (en) * | 2010-03-29 | 2010-08-18 | 山东省路桥集团有限公司 | Curved box girder sliding mold frame and construction method |
| CN102660925A (en) * | 2012-06-06 | 2012-09-12 | 长安大学 | Moveable formwork for variable-width curved bridge |
| CN102953338A (en) * | 2012-11-20 | 2013-03-06 | 山东省路桥集团有限公司 | Open and close control system for mould |
| CN203200669U (en) * | 2013-05-07 | 2013-09-18 | 山东博瑞重型机械有限公司 | Novel movable framework for box girder with variable cross sections |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110528395A (en) * | 2019-09-23 | 2019-12-03 | 中交第二航务工程局有限公司 | A kind of grouping folding mobile formwork and its curve are crossed across construction method |
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Application publication date: 20130724 |