CN208167549U - A kind of steel form constructing structure for groove profile girder steel - Google Patents
A kind of steel form constructing structure for groove profile girder steel Download PDFInfo
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- CN208167549U CN208167549U CN201820600460.1U CN201820600460U CN208167549U CN 208167549 U CN208167549 U CN 208167549U CN 201820600460 U CN201820600460 U CN 201820600460U CN 208167549 U CN208167549 U CN 208167549U
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Abstract
The utility model relates to template erections in highway engineering construction to use technical field, a kind of steel form constructing structure for groove profile girder steel is disclosed, landing mechanism, steel form slipping mechanism are promoted including punching block plate fixation mechanism, steel form, punching block plate fixation mechanism is the position mounting bracket corniced in groove profile girder steel every single width bridge two sides, is used to support template at the edge of a wing；Steel form promoted landing mechanism be at the span centre template and the edge of a wing template lower part, groove profile girder steel angle steel between several jacking apparatus are installed；Steel form slipping mechanism is that pulley gear is arranged immediately below I-steel.The utility model has abandoned the intrinsic thinking of traditional steel form disassembly transfer, only in an initial assembled steel form, the global transfer of steel form is carried out using the utility model structure later, not only simplify construction procedure, and it replaces manually, improving construction efficiency, reducing security risk using mechanical device during global transfer, it effectively shortens the construction period, improves construction quality.
Description
Technical field
The utility model relates to template erections in highway engineering construction to use technical field, be espespecially a kind of for U-steel
The steel form constructing structure of beam.
Background technique
In bridge engineering construction, cast-in-place box beam is one of most widely used beam slab pattern, with durable
The features such as property is good, torsional strength is high, construction technology is mature.But since concrete own characteristic and construction technology etc. are inevitable
Factor, the construction period of cast-in-place box beam is tediously long, and there are great security risk, by inside even from weather the case where is tight
Weight.In order to shorten the construction period, reduce the influence of weather conditions, while biggish security risk is avoided, steel is combined with concrete freely-supported
Box beam (hereinafter referred to as " steel reinforced concrete combined box beam ") this novel beam slab pattern is largely used.In the construction of steel reinforced concrete combined box beam, lead to
Normal lower box uses steel tank type section structure, and floorings are formed using concreting.In the lifting completion of steel tank molding box body
Afterwards, it needs to lift steel form to corresponding position casting concrete plate again.
In traditional bridge construction, when casting concrete, usually simultaneously using more set steel forms, while after installing simultaneously
It pours.In this way, the not only installing and dismounting excessive cycle of steel form, influences the completion time of project, meanwhile, use more set steel forms
Significantly increase construction cost.On the other hand, in traditional construction technique, the setting of steel form relies on a large amount of supporting structure and mould
Plate installation, installing and dismounting are all manually completed, and long construction period, construction efficiency is low, and a large amount of artificial construction also leads to safety
Coefficient is low, while template turnover utilization rate is low, and construction cost is high.
Utility model content
In order to overcome shortcomings and deficiencies present in above-mentioned background technique, the purpose of this utility model is to shorten construction work
Phase improves construction efficiency, reduces artificial construction's amount, guarantees safe construction, while improving steel form reuse rate, reduces construction
Cost.
The utility model realizes that the technical solution of above-mentioned purpose is to provide a kind of steel form construction knot for groove profile girder steel
Structure, including punching block plate fixation mechanism, steel form promote landing mechanism, steel form slipping mechanism, and the steel form (100) uses steel
Plate and I-steel complete the process, including template (300) at span centre template (200) and the edge of a wing, which is characterized in that the steel form is solid
Determining mechanism is the position mounting bracket (1) corniced in groove profile girder steel (400) every single width bridge two sides, is used to support template at the edge of a wing
(300)；It is template (300) lower part, the slot at the span centre template (200) and the edge of a wing that the steel form, which promotes landing mechanism,
It is installed several jacking apparatus (2) between the angle steel (11) of section steel beam (400), the jacking apparatus (2) can make the steel form
(100) it moves up and down, installation is jacked for the jacking apparatus (2) between two I-steel (9) above and below in the steel form
The channel steel (10) of support pad；The steel form slipping mechanism is setting pulley gear (3) immediately below I-steel.
Preferably, the position of the bracket (1) and arrangement quantity and the groove profile girder steel (400) are internal horizontal
Partition is corresponding with K-type support, and bracket is bolted on the lifting lug on groove profile girder steel (400) outboard web using channel steel (7),
Groove profile girder steel (400) outboard end is bolted with the otic placode on its web, is formed A-frame and is supported the steel form
(100)。
Preferably, the edge of the bracket (1) is equipped with anti-dropout baffle (8).Since template (300) is at the edge of a wing
It is directly placed on the bracket (1), installation anti-dropout baffle (8) can guarantee that template (300) is always in bracket at the edge of a wing
(1) it is moved on.
Preferably, the jacking apparatus (2) is screw jack.
Further, elongated rubber strip is arranged in the edge of the steel form (100).It is jacked using jacking apparatus (2)
When steel form (100), the rubber strip of steel form (100) is only needed to hold out against the following of groove profile girder steel (400) top plate
Edge.
Preferably, the pulley gear (3) is made of pulley (4) and support plate (5), respectively welds in the two sides of double dorsal horn steel
One piece of support plate (5), supports pulley to slide between support plate (5) and pulley (4) with connecting plate (6), and connecting plate (6) is welded on
In support plate (5).
The pulley (4) and I-steel contact surface are 30mm higher than angle steel upper surface.In this way, can guarantee in the steel form
(100) when sliding, the pulley (4) has the space of 30mm with angle steel upper surface.
Further, in order to guarantee that the steel form (100) running track during sliding moves ahead does not deviate, steel form
(100) it does not depart from the pulley gear (3), the connecting plate (6) on pulley (4) both sides upwardly extends, extremely beyond I-steel lower surface
Few 100mm, as I-steel side bumper block, to guarantee that the steel form (100) smoothly proceeds to predetermined position.
A kind of steel form constructing structure for groove profile girder steel of the utility model, casting concrete is only with a cover die
Plate starts steel form (100) construction after the groove profile girder steel (400) lifting is completed and beam welding is completed.Firstly, peace
It fills pulley gear (3), then jacking apparatus (2) is installed, sufficient amount of jacking apparatus is placed below every piece of steel form (100)
(2) lifting operation is carried out, after steel form (100) is in place, starting operation jacking apparatus (2) makes its rise jack-up steel form
(100)；After steel form (100) is installed, check whether the stability of whole cross-module plate and flatness meet related request, with
Continue concrete slab after an action of the bowels to pour；After concrete reaches design strength, operation makes to drop down onto pulley gear to steel form (100)
(3) on, jacking apparatus (2) are taken away at this time, steel form sliding can be carried out after steel form (100) and concrete plate surface completely disengage
Work.By sliding, it is installed to steel form (100) often across box beam, it before this, be next across installation pulley dress in box beam
(3) are set, steel form (100) is slid can smoothly and reaches predetermined position.
Generated beneficial effect is the utility model compared with prior art：1) steel form of the utility model, which is constructed, ties
Structure has abandoned the intrinsic thinking of steel form disassembly transfer, does not have to disassembly installation steel form repeatedly, but only initial assembled primary
Steel form is carried out the global transfer of steel form using the utility model structure later, not only simplifies construction procedure, and whole
It is replaced using mechanical device artificial in body transfer process, improves construction efficiency, reduce security risk, effectively shorten construction work
Phase improves construction quality；2) it is recycled using a set of steel form cycle alternation, uses more set steel forms simultaneously compared to more traditional
Construction, significantly reduces construction cost；3) utilization of the steel form constructing structure of the utility model can give full play to steel reinforced concrete letter
The construction rubbish of the superiority of branch combined box beam structure, generation is few, energy conservation and environmental protection.
Detailed description of the invention
Fig. 1 chassis plane arrangement schematic diagram；
Fig. 2 bracket scheme of installation；
Fig. 3 jacking apparatus section layout drawing；
Fig. 4 pulley gear schematic diagram；
Fig. 5：Demoulding steel formwork schematic diagram；
Fig. 6：The utility model structure overall schematic.
Wherein, 100- steel form, 200- span centre template, template at the edge of a wing 300-, 400- groove profile girder steel, 500- crossbeam,
600- concrete, 1- bracket, 2- jacking apparatus, 3- pulley gear, 4- pulley, 5- support plate, 6- connecting plate, 7- channel steel, 8- are anti-
Fall off baffle, 9- I-steel, 10- channel steel, 11- angle steel, 12- bolt.
Specific embodiment
The utility model is described in further detail below by drawings and examples, but the protection model of the utility model
It encloses and is not limited to the content.
As shown in Figures 1 to 6, a kind of steel form constructing structure for groove profile girder steel, including punching block plate fixation mechanism, steel
Template promotes landing mechanism, steel form slipping mechanism, and the steel form 100 is completed the process using steel plate and I-steel, including across
Template 300 at middle template 200 and the edge of a wing.In certain project construction, steel form 100 is all using the steel plate and 16# work of 3mm, 6mm
Word steel completes the process, a length of 20m of every piece of template, and width 2.8m, a height of 0.146m, weight is about 2.4t.
The punching block plate fixation mechanism is to complete in the beam welding of groove profile girder steel 400, and after detecting weld is accepted, start
Mounting bracket 1.Because having diaphragm plate and fulcrum to reinforce inside groove profile girder steel in itself, therefore inside does not need mounting bracket, and only needs
In the position mounting bracket that every single width bridge two sides are corniced, it is used to support template 300 at the edge of a wing.The position of girder steel outrigger
And arrangement quantity, it is corresponding with K-type support with diaphragm plate inside girder steel.The position and arrangement quantity of the bracket 1 and institute
It is corresponding with K-type support to state 400 inside diaphragm plate of groove profile girder steel, bracket is bolted to groove profile girder steel 400 using 20a channel steel 7
On lifting lug on outboard web, 400 outboard end of groove profile girder steel is bolted with the otic placode on its web, forms A-frame branch
Support template 300 at the edge of a wing of the steel form 100.
Since template 300 is to be directly placed at the top of bracket 1 at the edge of a wing, to prevent at the edge of a wing template 300 in sliding
The case where sliding in the process installs anti-dropout baffle 8 at the edge of bracket 1 first before template 300 at the installation edge of a wing,
To fix template 300 at the edge of a wing, move it on bracket 1 always.
It is under each steel form that the steel form, which promotes landing mechanism, and according to the actual situation and construction loads installation is enough
The jacking apparatus 2 of quantity.For jacking apparatus 2 for moving up and down steel form 100, screw jack is can be used in jacking apparatus 2
Realize the promotion and decline of steel form 100.In the present embodiment, using the screw jack of model QL2.0, net weight 6Kg,
Lifting capacity is 2.0t, lifting altitude 110mm, minimum altitude 150mm.5 supporting zones i.e. U-steel is arranged at every piece of steel form lower part
Transverse slat position inside beam 400, three jacking apparatus 2 are arranged on each zone so that steel form is moved up and down.Specifically,
Support pad is jacked for jack installing 10# channel steel 10 in steel form 100 between two I-steel.The jacking of steel form 100 is to most
When high point, the distance of 10 lower surface of channel steel to 400 angle steel upper surface of groove profile girder steel should be calculated in advance, and guarantee reserves foot
The operating space of enough jack, in the present embodiment, the distance of 10 channel steel lower surface to angle steel upper surfaces has reserved 239mm.
The steel form slipping mechanism is setting pulley gear 3, pulley gear immediately below the I-steel of groove profile girder steel 400
3 are made of pulley 4 and support plate 5, respectively weld one piece of support plate 5 in the two sides of double dorsal horn steel, having a size of 134mm × 134mm ×
30mm supports pulley gear 3 to slide with 210mm × 50mm × 30mm connecting plate 6 between support plate 5 and pulley 4.Wherein,
Connecting plate 6 is welded on above support plate 5, and pulley 4 and I-steel contact surface are 30mm higher than angle steel upper surface, i.e., in steel form 100
When sliding, there is the space of 30mm with angle steel upper surface.The pulley 4 is the steel pulley of customization, and diameter isFriction
Coefficient 0.2, maximum capacity 2t.
Its construction technology is：Before the groove profile girder steel 400 is in place, the steel form slipping mechanism is installed first, then pacify
Steel loading template promotes landing mechanism, and after steel form 100 is secured in position, starting operation steel form promotion landing mechanism makes its rising
Jack up steel form 100.Before steel form 100 is fixed, paste an elongated rubber strip at its edge in advance, when steel form put to
After on jacking apparatus 2, starting operation jacking apparatus 2 makes its rise jack-up steel form 100, until at steel form frontside edge
Rubber strip hold out against the top plate lower edge of groove profile girder steel 400.Steel form 100 and groove profile girder steel are filled into using bolt 12 at this time
Gap between 400 angle steel, support and crossbeam flange plate etc..
Later, check whether whole stability and flatness across steel form meets related request, so that concrete slab pours,
After concreting, bolt will undertake the load all of the above of steel form 100.
After concrete 600 pours completion, concrete also needs 6-8 days curing periods to can be only achieved design strength to want
It asks, therefore its underpart steel form necessarily is in original state, during this period, construction personnel starts to install next across bracket installation, is steel
Work is ready in the sliding of template.After concrete 600 reaches design strength, all bolts 12 are taken down, are reduced
Jacking apparatus 2, until steel form 100 drops down on steel form slipping mechanism.After steel form 100 is entirely fallen on pulley gear 3,
Upper surface and concrete lower surface distance are 54mm, and the enough steel forms 100 in this space slide.Removable jacking apparatus 2 at this time, is dragged
Dynamic steel form 100 slides onto next groove profile girder steel top.
A kind of application effect in the project under construction of the steel form constructing structure for groove profile girder steel of the utility model is good
It is good, the construction period is dramatically shortened, whole cross-module plate can be made to reach the condition of pouring in four days, traditional mould with original plan
Plate construction technology is compared to the time for shortening six days or so.At the same time, using the steel form constructing structure of the utility model into
Row construction, greatly reduces high altitude operation personnel, safety is obvious to all.Simultaneously in terms of cost, due to required material
It is few, correspondingly reduce construction cost.And the process of steel form construction is succinct, and the fitment material used is few, the construction of generation
Rubbish is few, without carrying out a large amount of post-processing work.
Above embodiments are only to illustrate the technical solution of the utility model, rather than are limited；Although referring to before
Embodiment is stated the utility model is described in detail, it for those of ordinary skill in the art, still can be right
Technical solution documented by previous embodiment is modified or equivalent replacement of some of the technical features；And these
Modifications or substitutions, the utility model technical solution claimed that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (8)
1. a kind of steel form constructing structure for groove profile girder steel, including punching block plate fixation mechanism, steel form promotion landing mechanism,
Steel form slipping mechanism, the steel form (100) is completed the process using steel plate and I-steel, including span centre template (200) and the wing
Template (300) at edge, which is characterized in that the punching block plate fixation mechanism is corniced in groove profile girder steel (400) every single width bridge two sides
Position mounting bracket (1), be used to support template at the edge of a wing (300)；It is in the span centre that the steel form, which promotes landing mechanism,
Template (300) lower part at template (200) and the edge of a wing, the groove profile girder steel (400) angle steel (11) between several jackings dresses are installed
It sets (2), the jacking apparatus (2) can be such that the steel form (100) moves up and down, upper and lower two I-steel in the steel form
(9) channel steel (10) of the installation for the jacking apparatus (2) jacking support pad between；The steel form slipping mechanism is in I-steel
Pulley gear (3) are arranged in underface.
2. steel form constructing structure as described in claim 1, which is characterized in that the position and arrangement of the bracket (1)
Quantity and the internal diaphragm plate of the groove profile girder steel (400) are corresponding with K-type support, and bracket is bolted to slot using channel steel (7)
On lifting lug on section steel beam (400) outboard web, groove profile girder steel (400) outboard end is bolted with the otic placode on its web,
It forms A-frame and supports the steel form (100).
3. steel form constructing structure as described in claim 1 or 2 is any, which is characterized in that install at the edge of the bracket (1)
There are anti-dropout baffle (8).
4. steel form constructing structure as described in claim 1, which is characterized in that the jacking apparatus (2) is screw jack.
5. steel form constructing structure as described in claim 1, which is characterized in that the edge setting of the steel form (100) is logical
Long rubber strip.
6. steel form constructing structure as described in claim 1, which is characterized in that the pulley gear (3) is by pulley (4) and branch
Fagging (5) composition, respectively welds one piece of support plate (5) in the two sides of double dorsal horn steel, with connection between support plate (5) and pulley (4)
Plate (6) supports pulley to slide, and connecting plate (6) is welded on support plate (5).
7. steel form constructing structure as claimed in claim 6, which is characterized in that the pulley (4) and I-steel contact surface ratio
The high 30mm in angle steel upper surface.
8. steel form constructing structure as claimed in claim 6, which is characterized in that the connecting plate (6) upwardly extends, and exceeds work
Word steel lower surface at least 100mm, as I-steel side bumper block.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820600460.1U CN208167549U (en) | 2018-04-25 | 2018-04-25 | A kind of steel form constructing structure for groove profile girder steel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820600460.1U CN208167549U (en) | 2018-04-25 | 2018-04-25 | A kind of steel form constructing structure for groove profile girder steel |
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| CN208167549U true CN208167549U (en) | 2018-11-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160248A (en) * | 2020-09-24 | 2021-01-01 | 中国五冶集团有限公司 | Combined steel beam and steel formwork laying device and method |
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2018
- 2018-04-25 CN CN201820600460.1U patent/CN208167549U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160248A (en) * | 2020-09-24 | 2021-01-01 | 中国五冶集团有限公司 | Combined steel beam and steel formwork laying device and method |
| CN112160248B (en) * | 2020-09-24 | 2021-12-07 | 中国五冶集团有限公司 | Combined steel beam and steel formwork laying device and method |
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