CN201609922U - Pull type prefabricated small box girder iron core - Google Patents
Pull type prefabricated small box girder iron core Download PDFInfo
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- CN201609922U CN201609922U CN2010201123580U CN201020112358U CN201609922U CN 201609922 U CN201609922 U CN 201609922U CN 2010201123580 U CN2010201123580 U CN 2010201123580U CN 201020112358 U CN201020112358 U CN 201020112358U CN 201609922 U CN201609922 U CN 201609922U
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Abstract
The utility model discloses a pull type prefabricated small box girder iron core, including a left steel mould and a right steel mould that are in overlap jiont together, wherein the left steel mould is divided into a left upper side mould and a left lower side mould that are connected by a hinge A, activating seat devices A are both arranged on the top inside the left upper side mould and the bottom inside the left lower side mould, an upper support A and a lower support A are respectively arranged on the two activating seat devices A, the upper support A and the lower support A are connected through a pull rod A and a pin A mounted on the pull rod A. The utility model can directly pull out the entire steel core, to avoid dismounting trouble, and having more convenient construction.
Description
Technical field
The utility model discloses a kind of drawing and pulling type Small Precast Box joist steel core.
Background technology
In the bridge construction engineering, in order to save material, weight reduction, generally use a kind of the cast to form by concrete, its cross section is hollow little case beam.Yet, the internal mold of Small Precast Box beam generally adopts wooden model or reassembling type steel core mould at present, wherein there is important disadvantages in the use of wooden model, the Wooden Pattern Making complexity, the dismounting time-consuming, not only increased artificial input but also delayed the duration, and repeat usage is low, increased the cost input, the timber waste is quite serious, and a large amount of uses of timber are to a kind of especially serious threat of environment; Also there is certain shortcoming in reassembling type steel core mould, the installation and removal time is longer, increase artificial input and delayed the construction time limit, because the core inner space is limited, the extremely difficult operation construction of workmen prolonged the engineering time, and inner ventilation is not smooth, particularly in construction in summer of sweltering heat, be serious test and injury to workmen's life safety.
The utility model content
For addressing the above problem, the purpose of this utility model is to provide a kind of drawing and pulling type Small Precast Box joist steel core, its structure is light and handy, easy construction, not fragile during use, the number of turnover is many, and the recovery utilization rate height, construction cost and labour intensity have not only been reduced, accelerate construction speed again, improved workmen's life safety guarantee, be applicable to the construction of the little case beam of modern bridge prefabrication.
The technical scheme that its technical problem that will solve the utility model adopts is:
A kind of drawing and pulling type Small Precast Box joist steel core comprises left punching block, right punching block, and this left side punching block and right punching block overlap; Described left punching block is divided into upper left side form, lower-left side form, connect by hinge A between this upper left side form and the lower-left side form, bottom in top in upper left side form, the lower-left side form all is provided with active base device A, on two active base device A, be respectively equipped with upper support A, lower support A, this upper support A and lower support A are connected by pull bar A and the bearing pin A that is installed on the pull bar A; Described right punching block is divided into upper right side form, bottom right side form, connect by hinge B between this upper right side form and the bottom right side form, all be provided with active base device B in the top of upper right side form, the bottom of bottom right side form, on two active base device B, be respectively equipped with upper support B, lower support B, this upper support B and lower support B are connected by pull bar B and the bearing pin B that is installed on the pull bar B.Above-mentioned upper support A can will strut between upper left side form and lower-left side form, upper right side form and the bottom right side form respectively after being connected with lower support B with lower support A, upper support B, at this moment just can pour into a mould little case beam.When pouring to pull out the steel core mould time, can utilize hoist engine pulling pull bar A and pull bar B, make upper support A, lower support A, upper support B, lower support B rotation, at this moment, upper left side form, upper right side form rotate, and lower-left side form, bottom right side form upwards rotate, whole steel core mould integral body is dwindled, thus direct pull steel core mould.
Of the present utility modelly further be set to: described active base device A, active base device B all are made of base, hinge C, connecting plate, and wherein base is connected by hinge C with connecting plate, and this connecting plate can wrap page or leaf and rotate.
All be provided with fastener A in the upper left side form of left punching block, the right part of lower-left side form, all be provided with fastener B at the upper right side form of right punching block and the left part of bottom right side form, left punching block and right punching block overlap by fastener A, fastener B.
Between upper left side form and the lower-left side form, all be provided with fixing shelves between upper right side form and the bottom right side form.The position that the setting of fixing shelves can limit pull bar, thereby fixedly upper support A and lower support A, upper support B and lower support B.
After adopting said structure, the utility model is because of being steel product, and not fragile in use, the number of turnover is many, and recovery utilization rate is also high.And whole steel core mould is collapsible, after construction, can directly whole steel core mould pull be come out, exempted from the trouble of dismounting, make construction convenient, so not only reduced construction cost and labour intensity, accelerated construction speed again, improve workmen's life safety guarantee, be specially adapted to the construction of the little case beam of modern bridge prefabrication.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is a cutaway view of the present utility model;
Fig. 2 is that the A-A of Fig. 1 is to view;
Fig. 3 is that the B-B of Fig. 1 is to view.
The specific embodiment
As shown in Figure 1 and Figure 2, a kind of drawing and pulling type Small Precast Box joist steel core comprises left punching block 1, right punching block 2, and this left side punching block 1 and right punching block 2 overlap, and is combined into the polygon steel core of a hollow behind overlap joint.Described left punching block 1 is divided into upper left side form 11, lower-left side form 12, between upper left side form 11 and lower-left side form 12, connect by hinge A13, top, the bottom in the lower-left side form 12 in upper left side form 11 all are provided with active base device A14, on two active base device A14, be respectively equipped with upper support A15, lower support A16, this upper support A15 and lower support A16 are connected by pull bar A17 and the bearing pin A18 that is installed on the pull bar A17, upper support A15 with can be after lower support A16 is connected with the inner support of left punching block 1; Described right punching block 2 is divided into upper right side form 21, bottom right side form 22, connect by hinge B23 between this upper right side form 21 and the bottom right side form 22, top, the bottom in the bottom right side form 22 in upper right side form 21 all are provided with active base device B24, on two active base device B24, be respectively equipped with upper support B25, lower support B26, this upper support B25 and lower support B26 are connected by pull bar B27 and the bearing pin B28 that is installed on the pull bar B27, upper support B25 with can be after lower support B26 is connected with the inner support of right punching block 2.
Described active base device A, active base device B all are made of base 3, hinge C4, connecting plate 5, wherein base 3 is connected by hinge C4 with connecting plate 5, this connecting plate 5 can wrap page C4 and rotate, above-mentioned upper support A15, lower support A16, upper support B25, lower support B26 can be connected with connecting plate 5, therefore, upper support A31, lower support A32, upper support B33, lower support B34 can rotate on hinge C4 by connecting plate 5.
All be provided with fastener A6 in the upper left side form 11 of left punching block 1, the right part of lower-left side form 12, all be provided with fastener B7 at the upper right side form 21 of right punching block 2 and the left part of bottom right side form 22, left punching block 1 overlaps by fastener A6, fastener B7 with right punching block 2.Between upper left side form 11 and the lower-left side form 12, all be provided with fixing shelves 8 between upper right side form 21 and the bottom right side form 22.
When the utility model uses, can regulate above-mentioned upper support A15 and lower support A16, upper support B25 and lower support B26 earlier is on the same line, and it is fixing by fixing grade 8, at this moment, be in complete softened state between upper left side form 11 and lower-left side form 12, upper right side form 21 and the bottom right side form 22, can cooperate the little case beam of cast with other exterior sheathing.When pouring to pull out the steel core mould time, can remove the fixing shelves 6 in left side earlier, the pull bar A17 that utilizes hoist engine to spur the left side earlier then makes upper support A15, lower support A16 rotation, at this moment, upper left side form 11 rotates by hinge A13, and lower-left side form 12 upwards rotates by hinge A13, and left punching block 1 integral body is dwindled, at this moment form a fixed gap between left punching block 1 and the little case beam, can pull out left punching block 1 more easily.In like manner, can pull out right punching block 2 by above-mentioned.
The foregoing description only is used to the inventive concept of the present utility model of explaining, but not to the qualification of the utility model rights protection, allly utilizes this design that the utility model is carried out the change of unsubstantiality, all should fall into protection domain of the present utility model.
Claims (4)
1. drawing and pulling type Small Precast Box joist steel core, it is characterized in that: comprise left punching block, right punching block, this left side punching block and right punching block overlap; Described left punching block is divided into upper left side form, lower-left side form, connect by hinge A between this upper left side form and the lower-left side form, bottom in top in upper left side form, the lower-left side form all is provided with active base device A, on two active base device A, be respectively equipped with upper support A, lower support A, this upper support A and lower support A are connected by pull bar A and the bearing pin A that is installed on the pull bar A; Described right punching block is divided into upper right side form, bottom right side form, connect by hinge B between this upper right side form and the bottom right side form, all be provided with active base device B in the top of upper right side form, the bottom of bottom right side form, on two active base device B, be respectively equipped with upper support B, lower support B, this upper support B and lower support B are connected by pull bar B and the bearing pin B that is installed on the pull bar B.
2. drawing and pulling type Small Precast Box joist steel core according to claim 1 is characterized in that: described active base device A, active base device B all are made of base, hinge C, connecting plate, and wherein base is connected by hinge C with connecting plate.
3. drawing and pulling type Small Precast Box joist steel core according to claim 1, it is characterized in that: all be provided with fastener A in the upper left side form of left punching block, the right part of lower-left side form, all be provided with fastener B at the upper right side form of right punching block and the left part of bottom right side form, left punching block and right punching block overlap by fastener A, fastener B.
4. drawing and pulling type Small Precast Box joist steel core according to claim 1 is characterized in that: between upper left side form and the lower-left side form, all be provided with fixing shelves between upper right side form and the bottom right side form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201123580U CN201609922U (en) | 2010-02-05 | 2010-02-05 | Pull type prefabricated small box girder iron core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201123580U CN201609922U (en) | 2010-02-05 | 2010-02-05 | Pull type prefabricated small box girder iron core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201609922U true CN201609922U (en) | 2010-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201123580U Expired - Fee Related CN201609922U (en) | 2010-02-05 | 2010-02-05 | Pull type prefabricated small box girder iron core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201609922U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744774A (en) * | 2012-06-29 | 2012-10-24 | 浙江工业大学 | Prefabricated small box girder adjustable template for curved bridge |
| CN103556576A (en) * | 2013-11-08 | 2014-02-05 | 南京工业大学 | Detachable compound hollow internal mould for concrete hollow box girder in roads and bridges |
| CN104044201A (en) * | 2014-06-25 | 2014-09-17 | 杭州宇航交通工程有限公司 | Prestressed concrete box beam forming mold |
| CN104085042A (en) * | 2014-07-16 | 2014-10-08 | 中建三局第一建设工程有限责任公司 | Construction method for automatic hydraulic assembly and disassembly of internal mold for prefabricating small box beams |
| CN104099870A (en) * | 2014-06-14 | 2014-10-15 | 中铁三局集团有限公司 | Roller type prefabricated box girder internal mold demoulding device as well as manufacturing, construction and operation method thereof |
| CN104308961A (en) * | 2014-10-29 | 2015-01-28 | 中交二航局第四工程有限公司 | Integrally-drawing-type prefabricated box beam inner die device |
| CN104760126A (en) * | 2015-03-25 | 2015-07-08 | 浙江天晟建材集团有限公司 | Mechanical core die structure of box beam |
| CN107214826A (en) * | 2017-07-26 | 2017-09-29 | 中国水利水电第十四工程局有限公司 | The steel die device and its construction method of a kind of hollow slab girder prefabricated construction |
-
2010
- 2010-02-05 CN CN2010201123580U patent/CN201609922U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744774A (en) * | 2012-06-29 | 2012-10-24 | 浙江工业大学 | Prefabricated small box girder adjustable template for curved bridge |
| CN102744774B (en) * | 2012-06-29 | 2014-12-03 | 浙江工业大学 | Prefabricated small box girder adjustable template for curved bridge |
| CN103556576A (en) * | 2013-11-08 | 2014-02-05 | 南京工业大学 | Detachable compound hollow internal mould for concrete hollow box girder in roads and bridges |
| CN104099870A (en) * | 2014-06-14 | 2014-10-15 | 中铁三局集团有限公司 | Roller type prefabricated box girder internal mold demoulding device as well as manufacturing, construction and operation method thereof |
| CN104099870B (en) * | 2014-06-14 | 2017-01-18 | 中铁三局集团有限公司 | Roller type prefabricated box girder internal mold demoulding device as well as manufacturing, construction and operation method thereof |
| CN104044201A (en) * | 2014-06-25 | 2014-09-17 | 杭州宇航交通工程有限公司 | Prestressed concrete box beam forming mold |
| CN104085042A (en) * | 2014-07-16 | 2014-10-08 | 中建三局第一建设工程有限责任公司 | Construction method for automatic hydraulic assembly and disassembly of internal mold for prefabricating small box beams |
| CN104308961A (en) * | 2014-10-29 | 2015-01-28 | 中交二航局第四工程有限公司 | Integrally-drawing-type prefabricated box beam inner die device |
| CN104760126A (en) * | 2015-03-25 | 2015-07-08 | 浙江天晟建材集团有限公司 | Mechanical core die structure of box beam |
| CN104760126B (en) * | 2015-03-25 | 2017-06-13 | 浙江天晟建材股份有限公司 | A kind of mechanical core mold structure of box beam |
| CN107214826A (en) * | 2017-07-26 | 2017-09-29 | 中国水利水电第十四工程局有限公司 | The steel die device and its construction method of a kind of hollow slab girder prefabricated construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101020 Termination date: 20130205 |
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| CF01 | Termination of patent right due to non-payment of annual fee |