CN101104293A - Hinge four-lever mechanism hydraulic box beam internal mould - Google Patents

Hinge four-lever mechanism hydraulic box beam internal mould Download PDF

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Publication number
CN101104293A
CN101104293A CNA2007100355329A CN200710035532A CN101104293A CN 101104293 A CN101104293 A CN 101104293A CN A2007100355329 A CNA2007100355329 A CN A2007100355329A CN 200710035532 A CN200710035532 A CN 200710035532A CN 101104293 A CN101104293 A CN 101104293A
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China
Prior art keywords
template
upper moving
moving platen
moving template
hinged
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CNA2007100355329A
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Chinese (zh)
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CN100563964C (en
Inventor
王祥军
张维友
郑怀臣
谢亮
王维兵
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Hunan Wuxin Intelligent Technology Co ltd
Original Assignee
China Railway Wuxin Steel Formwork Co Ltd
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Priority to CNB2007100355329A priority Critical patent/CN100563964C/en
Publication of CN101104293A publication Critical patent/CN101104293A/en
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Abstract

The invention discloses a box girder internal formwork with hinged four-bar mechanism, comprising a girder, a top template, an upper moving template, a lower moving template, a lateral cylinder driving the upper moving template to expand outward or furl inward, and two rockers, wherein the top template and the upper moving template are in hinged connection through two rockers. In the invention, the two rockers are in hinged connection with the top template and the upper moving template respectively so as to form a hinged four-bar mechanism, which is driven by the cylinder that drives the upper moving template to furl inward. When the cylinder does expanding and contracting movement, the upper moving template does the arc motion by taking two rockers as the radius so as to guarantee that the upper moving template does not interfere with the concrete during template removal. The whole contraction of the template can be achieved by means of hydraulic pressure, through which not only the quality of the box girder is guaranteed but the loading and unloading of the template become convenient, fast, labor-saving and time-saving, so that the work term is greatly reduced, the work efficiency is improved, the labor intensity is reduced and the production speed is guaranteed, therefore the invention is applicable to the volume-production of the box girder.

Description

Hinge four-lever mechanism hydraulic box beam internal mould
Technical field
The present invention relates to a kind of hydraulic pressure box girder inner formwork that the reinforced concrete prefabricated case beam in railway, highway and city adopts that sets up.
Background technology
Domestic railway, highway and Urban Bridge are taken as the leading factor with reinforced concrete structure, and most box beam adopts prefabrication system to make.Make the box girder inner formwork of concrete box girder at present, generally adopt otic placode hinged on it between dynamic model and the backform, and connect into a whole (see figure 1), when the defective of this structure is the formwork integral contraction, the C point of last moving platen is always done circular motion around the pin joint 0 that is fixed on the top template along track d, AB section circular arc has been absorbed in the prefabricated concrete as shown in Figure 2, cause template can not realize the whole demoulding, can only manually split out single form, the demoulding is not only time-consuming like this, labour intensity is big, productivity ratio is low, and the easy scratch concrete surface of template, influences the product appearance quality, can't realize that template in the inner chamber integrated contraction demoulding of case beam, causes such molding box beam to produce in enormous quantities.
Summary of the invention
The object of the present invention is to provide a kind of hinge four-lever mechanism hydraulic box beam internal mould that can adopt hydraulic way to realize template overall shrinkage in case beam inner chamber.
This hinge four-lever mechanism hydraulic box beam internal mould provided by the invention, comprise the side direction oil cylinder that moving platen outwards opens or inwardly draws in girder, top template, last moving platen, following moving platen, the drive, also comprise two rocking bars, connect by two rocking bar radial types between described top template and the last moving platen.
Top template and last moving platen all have otic placode, and the two ends of two rocking bars are hinged with moving platen top template and last respectively by described otic placode.
The present invention since be by two rocking bars respectively with top template and last moving platen on otic placode hinged, they have formed four-bar linkage, drive by driving the oil cylinder of going up the inside receipts of moving platen, going up moving platen when this oil cylinder is flexible is that radius is done circular motion with two rocking bars, last dynamic model and concrete no longer interfere in the time of can guaranteeing the demoulding like this, can adopt hydraulic way to realize the overall shrinkage of template, case beam quality is guaranteed, and can make the easy to loading and unloading of template, fast, time saving and energy saving, greatly the reduction of erection time, enhance productivity, reduce labour intensity, thereby can guarantee speed of production, adapt to the production in enormous quantities of case beam.
Description of drawings
Fig. 1 is the conventional art structural representation;
Fig. 2 is a movement locus schematic diagram of going up dynamic model among Fig. 1;
Fig. 3 is a structural representation of the present invention;
Fig. 4 is the cutaway view of Fig. 3 along the A-A line, the 3rd page of Figure of description;
Fig. 5 is a four-bar mechanism movement locus schematic diagram of the present invention, the 2nd page of Figure of description.
Reference numeral: 1-girder, 2-top template, the last dynamic model of 3-, 4-side direction oil cylinder, 5-rocking bar 6,7-otic placode, dynamic model under the 8-, 9-guide pillar, 10-traveling dolly, 11-track, 12-jacking cylinder, 13-four-bar linkage.
The specific embodiment
From Fig. 3 and Fig. 4 as can be seen, the present invention includes the side direction oil cylinder 4 that moving platen 3 outwards opens or inwardly draws in girder 1, top template 2, last moving platen 3, following moving platen 8, the drive, wherein, remain hinged between last moving platen 3 and the following moving platen 8, top template 2 still is installed in girder 1 top, side direction oil cylinder 4 a still end is connected with girder 1, and the other end is connected with last moving platen 3.But we can see that also the connection between last moving platen 3 and top template 2 realizes by two rocking bars 5 from Fig. 3, respectively be welded with otic placode (6,7) on top template and the last moving platen, two rocking bars, 5 one ends are all hinged with the otic placode 5 of top template, the other end all with last moving platen on otic placode 6 hinged, make top template 2, go up moving platen 3 and two rocking bars 5 have formed four-bar linkage 13.
In conjunction with Fig. 4 overall picture of structure of the present invention as can be seen, girder 1, top template 2, last moving platen 3, following moving platen 8 all run through the total length of box girder inner formwork, be distributed with some guide pillars 9 in the girder 1, guide pillar 9 is installed on the traveling dolly 10, each traveling dolly is seated on the track 11, and be evenly distributed on the girder length direction, and in each guide pillar 9 jacking cylinder 12 is housed all, be used for jacking girder 1 and top template 2.Side direction oil cylinder 4 evenly distributes on girder 1 total length direction, and the both sides of each side direction oil cylinder 4 be respectively to should there being four-bar linkage 13, when all side direction oil cylinder 4 synchronization actions, will drive moving platen 3 and open or draw in.
The movement locus of four-bar linkage of the present invention as can be seen from Figure 5, on drawing in during moving platen 3, two rocking bars 5 are a little done circular motion around himself and being fixedly hinged of top template 2 respectively, as in Fig. 4 a, b shown in, go up moving platen 3 along track a move in a circle respectively by the motion of two rocking bars 5 drive for its movement locus.The advantage of this double rocking lever four-bar mechanism of this novel employing is that each point is all done circular motion around some fixing points on the moving platen 3, template can not interfere with concrete when receiving mould, the case beam that precasts with internal mold of the present invention, the inner chamber corner angle of guard box beam in good condition, the each several part structure all can well reach designing requirement, by all achieving successes on probation on Wuhan-GuangZhou Railway Line for Passenger Transportation and wide pearl inter-city rail transit prefabricated case beam engineering.Because the present invention can adopt hydraulic way to realize the overall shrinkage of template, therefore is suitable for very much the production in enormous quantities of case beam.

Claims (2)

1. hinge four-lever mechanism hydraulic box beam internal mould, comprise girder (1), top template (2), go up the flexible side direction oil cylinder (4) of moving platen in moving platen (3), the drive, it is characterized in that also comprising two rocking bars (5), connect by two rocking bars (5) radial type between described top template and the last moving platen.
2. hinge four-lever mechanism hydraulic box beam internal mould according to claim 1, it is characterized in that top template and last moving platen all have otic placode (6,7), two rocking bars (5) one ends all hinged with the otic placode (6) of top template, the other end is all hinged with the otic placode (7) of last moving platen.
CNB2007100355329A 2007-08-09 2007-08-09 Hinge four-lever mechanism hydraulic box beam internal mould Active CN100563964C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2007100355329A CN100563964C (en) 2007-08-09 2007-08-09 Hinge four-lever mechanism hydraulic box beam internal mould

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2007100355329A CN100563964C (en) 2007-08-09 2007-08-09 Hinge four-lever mechanism hydraulic box beam internal mould

Publications (2)

Publication Number Publication Date
CN101104293A true CN101104293A (en) 2008-01-16
CN100563964C CN100563964C (en) 2009-12-02

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102189595A (en) * 2011-04-14 2011-09-21 湖南中铁五新钢模有限责任公司 Guide pillar type hydraulic internal mold for straight web plate box girder
CN102198691A (en) * 2011-05-13 2011-09-28 湖南中铁五新钢模有限责任公司 Hydraulic inner die for segmented box girder
CN105965675A (en) * 2016-07-26 2016-09-28 湖南五新模板有限公司 Hydraulic internal mold device for concrete box girder
CN111958782A (en) * 2020-07-03 2020-11-20 山东泰迅装配式建筑科技有限公司 PPVC internal mold structure and use method
CN113084047A (en) * 2021-04-20 2021-07-09 中国建筑第八工程局有限公司 Longitudinal bar positioning robot for forming steel bar framework of large box girder
CN113635424A (en) * 2021-08-19 2021-11-12 中铁大桥局第九工程有限公司 Automatic hydraulic formwork construction method for box girder

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102198693A (en) * 2011-05-13 2011-09-28 湖南中铁五新钢模有限责任公司 Sectional box beam hydraulic internal mold

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102189595A (en) * 2011-04-14 2011-09-21 湖南中铁五新钢模有限责任公司 Guide pillar type hydraulic internal mold for straight web plate box girder
CN102198691A (en) * 2011-05-13 2011-09-28 湖南中铁五新钢模有限责任公司 Hydraulic inner die for segmented box girder
CN105965675A (en) * 2016-07-26 2016-09-28 湖南五新模板有限公司 Hydraulic internal mold device for concrete box girder
CN105965675B (en) * 2016-07-26 2018-06-19 湖南五新模板有限公司 The hydraulic internal mold device of concrete box girder
CN111958782A (en) * 2020-07-03 2020-11-20 山东泰迅装配式建筑科技有限公司 PPVC internal mold structure and use method
CN113084047A (en) * 2021-04-20 2021-07-09 中国建筑第八工程局有限公司 Longitudinal bar positioning robot for forming steel bar framework of large box girder
CN113635424A (en) * 2021-08-19 2021-11-12 中铁大桥局第九工程有限公司 Automatic hydraulic formwork construction method for box girder

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Publication number Publication date
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Denomination of invention: Hinge four-lever mechanism hydraulic box beam internal mould

Effective date of registration: 20140826

Granted publication date: 20091202

Pledgee: Bank of Beijing Limited by Share Ltd. Changsha branch

Pledgor: Hunan China Railway Wuxin Steel Mould Co.,Ltd.

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Date of cancellation: 20150917

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Denomination of invention: Hinge four-lever mechanism hydraulic box beam internal mould

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Denomination of invention: Hinge four-lever mechanism hydraulic box beam internal mould

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Denomination of invention: Hinge four-lever mechanism hydraulic box beam internal mould

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Address after: 410100 No. 25 Xingsha Avenue, Changsha, Hunan, Changsha County

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Patentee before: Hunan China Railway Wuxin Steel Mould Co.,Ltd.