CN209987134U - Prefabricated box girder inner formwork of viaduct bridge - Google Patents
Prefabricated box girder inner formwork of viaduct bridge Download PDFInfo
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- CN209987134U CN209987134U CN201920021453.0U CN201920021453U CN209987134U CN 209987134 U CN209987134 U CN 209987134U CN 201920021453 U CN201920021453 U CN 201920021453U CN 209987134 U CN209987134 U CN 209987134U
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Abstract
The utility model belongs to the technical field of the prefabricated case roof beam of overpass, concretely relates to prefabricated case roof beam inner formword of overpass, including the inner formword, the inner formword level is cut apart into upper and lower two parts: the upper inner die and the lower inner die are connected through a hinged hinge; the inner formwork is also internally provided with a supporting piece for supporting the upper inner mould and the lower inner mould; the upper inner die is divided into a left part and a right part along a center line: the left upper part internal mold and the right upper part internal mold, the lower internal mold is divided into a left part and a right part along the center line: a lower left internal mold and a lower right internal mold. The utility model discloses fine solution the not good problem of dismantling of composite steel inner formword among the prior art, practiced thrift a large amount of artifical dismouting time for the efficiency of construction, guaranteed construction quality.
Description
Technical Field
The utility model belongs to the technical field of the prefabricated case roof beam of overpass, concretely relates to prefabricated case roof beam inner formword of overpass.
Background
The traditional prefabricated box girder template comprises a wooden template, a common combined steel template and the like, the wooden template scheme is simple and flexible, but the template is poor in rigidity, few in turnover times, more in slab staggering and joints, low in template assembly and disassembly efficiency and incapable of guaranteeing the appearance quality of concrete. The installation of ordinary combination steel inner formworks is comparatively complicated, and the dismouting is wasted time and energy, and is efficient, and the seam is many, and concrete appearance quality can't guarantee.
SUMMERY OF THE UTILITY MODEL
To the technical problem, an object of the utility model is to provide an overpass precast box girder inner formword, the utility model discloses fine solution the problem of the good dismantlement of composite steel inner formword among the prior art, practiced thrift a large amount of artifical dismouting time for the efficiency of construction, guaranteed construction quality.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a prefabricated case roof beam inner formword of overpass, includes the inner formword, its characterized in that, the inner formword horizontal segmentation is upper and lower two parts: the upper inner die and the lower inner die are connected through a hinged hinge; the inner formwork is also internally provided with a supporting piece for supporting the upper inner mould and the lower inner mould; the upper inner die is divided into a left part and a right part along a center line: the left upper part internal mold and the right upper part internal mold, the lower internal mold is divided into a left part and a right part along the center line: a lower left internal mold and a lower right internal mold.
Further, the inner template is divided into four parts along the longitudinal and transverse center lines in the vertical and horizontal directions: the left upper part centre form, upper right part centre form, left part centre form and right part centre form down, upper left part centre form and left part centre form down are through articulated hinge connection, upper right part centre form and right part centre form down between through articulated hinge connection.
Further, support piece includes a pair of rectangle steel sheet fixed block and a pair of bracing piece, a pair of rectangle steel sheet fixed block is connected with last centre form and centre form down through the bolt respectively, the upper and lower both ends of a pair of bracing piece all are connected with the rectangle steel sheet fixed block that corresponds through the bolt.
Furthermore, the support rod is formed by connecting two vertical top supports through bolts.
Furthermore, a pair of transverse channel steel supports are further arranged inside the inner formwork and are respectively connected with the corresponding supporting rods through bolts.
Furthermore, the inner formwork is fixed on a foundation through a fixing screw, the lower portion of the fixing screw is embedded in the foundation, and the upper portion of the fixing screw is connected with the corresponding rectangular steel plate fixing block through a nut.
Furthermore, a layer of stainless steel plate is paved on the outer surface of the inner template.
The utility model has the advantages that:
(1) the utility model discloses fine solution the problem of the good dismantlement of combined steel form among the prior art, practiced thrift a large amount of artifical dismouting time for the efficiency of construction, guaranteed construction quality.
(2) The utility model discloses a rigid structure equipment shaping, not only simple structure installs and removes all very conveniently, greatly reduces operation workman's labour intensity, shortens ann and tears the activity duration open, guarantees the back case roof beam quality of form removal, and the shaping is of high quality, and is efficient, and the turnover number of times is many.
(3) The utility model discloses an articulated hinge connection is nimble light, and the dead weight alleviates, conveniently moves the fortune installation.
(4) The utility model discloses install corrosion resistant plate additional and make the template difficult corrosion rust, and the concrete shaping quality is better, and template turnover life is longer, practices thrift the cost.
(5) The utility model discloses a support piece adopts the bolt fastening, and convenient the regulation is dismantled, and the uninstallation supports the back, and the centre form can be pulled down to the dead weight of accompanying template with external force a little, improves drawing of patterns efficiency, can also guarantee the shaping quality.
Drawings
Fig. 1 is a schematic front view of an inner formwork of a prefabricated box girder of a viaduct bridge.
Fig. 2 is a perspective (perspective) schematic view of an inner formwork of the prefabricated box girder of the viaduct bridge.
In the figure: 1-upper left part inner mold; 2-upper right part inner mould; 3-left lower part inner mould; 4-right lower part inner mold; 5, vertical top bracing; 6, supporting transverse channel steel; 7, fixing a rectangular steel plate; 8, fixing a screw rod; 9-hinged hinge.
Detailed Description
For better understanding of the present invention, the technical solution of the present invention will be further described below with reference to the following embodiments and accompanying drawings.
The prefabricated box girder inner formwork for the viaduct bridge comprises an inner formwork, wherein a layer of stainless steel plate is paved on the outer surface of the inner formwork. The inner template is horizontally divided into an upper part and a lower part: the upper inner die and the lower inner die are connected through a hinged hinge 9; the inner formwork is also internally provided with a supporting piece for supporting the upper inner mould and the lower inner mould; the upper inner die is divided into a left part and a right part along a center line: the inner die comprises a left upper inner die 1 and a right upper inner die 2, wherein the lower inner die is divided into a left part and a right part along a center line: a left lower part inner die 3 and a right lower part inner die 4 (the inner die plate is divided into four parts along the longitudinal and transverse center lines, namely a left upper part inner die 1, a right upper part inner die 2, a left lower part inner die 3 and a right lower part inner die 4). The left upper portion inner die 1 is connected with the left lower portion inner die 3 through a hinged hinge 9, and the right upper portion inner die 2 is connected with the right lower portion inner die 4 through a hinged hinge 9.
The supporting piece comprises a pair of rectangular steel plate fixing blocks 7 and a pair of supporting rods which are connected into a structure shaped like a Chinese character 'ri' through bolts; the pair of rectangular steel plate fixing blocks 7 are respectively connected with the upper inner die and the lower inner die through bolts, and the upper ends and the lower ends of the pair of supporting rods are connected with the corresponding rectangular steel plate fixing blocks 7 through bolts. The support rod is formed by connecting two vertical top supports 5 through bolts. A pair of transverse channel steel supports 6 are further arranged inside the inner formwork, and the pair of transverse channel steel supports 6 are connected with the corresponding supporting rods through bolts respectively.
The inner formworks are fixed on the foundation through fixing screws 8, the lower portions of the fixing screws 8 are embedded in the foundation, and the upper portions of the fixing screws 8 are connected with the corresponding rectangular steel plate fixing blocks 7 through nuts.
A manufacturing and using method of an inner template of a prefabricated box girder of a viaduct bridge comprises the following steps:
(1) as shown in figures 1 and 2, the inner template is divided into four parts, namely a left upper part inner die 1, a right upper part inner die 2, a left lower part inner die 3 and a right lower part inner die 4, along a longitudinal and transverse center line, and the positions of a vertical top support 5, a transverse channel steel support 6 and a rectangular steel plate fixing block 7 in the installation drawing are fixed through bolts.
(2) The left upper part inner die 1 and the left lower part inner die 3, the right upper part inner die 2 and the right lower part inner die 4 are respectively connected through hinged hinges 9, the fixing screws 8 are fixing screws pre-embedded on a pedestal foundation and distributed at intervals of 0.8 ~ 1.2.2 m, the rectangular steel plate fixing blocks 7 are rectangular steel plates for fixing oblique splicing seams among the left upper part inner die 1, the right upper part inner die 2, the left lower part inner die 3 and the right lower part inner die 4 at intervals of 0.8 ~ 1.0.0 m, and the vertical top support 5 is at intervals of 0.2 ~ 0.8.8 m.
(3) Install lower left part centre form 3 and lower right part centre form 4 earlier during the installation, then fixed with rectangle steel sheet fixed block 7 and clamping screw 8, install upper left part inner mould 1 again, upper right part centre form 2, with the fixed back of rectangle steel sheet fixed block 7, install vertical shore 5 and horizontal channel-section steel and support 6. The reverse operation is only needed when the device is disassembled.
The above description is only an example of the present invention, and certainly, the scope of the present invention should not be limited thereto, and therefore, the present invention is not limited to the above description.
Claims (7)
1. The utility model provides a prefabricated case roof beam inner formword of overpass, includes the inner formword, its characterized in that, the inner formword horizontal segmentation is upper and lower two parts: the upper inner die and the lower inner die are connected through a hinged hinge (9); the inner formwork is also internally provided with a supporting piece for supporting the upper inner mould and the lower inner mould; the upper inner die is divided into a left part and a right part along a center line: upper left part centre form (1) and upper right part centre form (2), two parts about centre line is split into to the centre line is followed to the centre form down: a left lower internal mold (3) and a right lower internal mold (4).
2. The prefabricated box girder inner template for the viaduct bridge as claimed in claim 1, wherein the inner template is divided into four parts along the longitudinal and transverse center lines: the left upper part centre form (1), the upper right part centre form (2), the lower left part centre form (3) and the lower right part centre form (4), the upper left part centre form (1) is connected through articulated hinge (9) with the lower left part centre form (3), be connected through articulated hinge (9) between upper right part centre form (2) and the lower right part centre form (4).
3. The prefabricated box girder inner formwork for the viaduct bridge as claimed in claim 1 or 2, wherein the supporting member comprises a pair of rectangular steel plate fixing blocks (7) and a pair of supporting rods, the pair of rectangular steel plate fixing blocks (7) are respectively connected with the upper inner formwork and the lower inner formwork through bolts, and the upper end and the lower end of each supporting rod are respectively connected with the corresponding rectangular steel plate fixing block (7) through bolts.
4. The prefabricated box girder inner formwork for viaducts as claimed in claim 3, wherein the supporting rods are formed by connecting two vertical braces (5) through bolts.
5. The viaduct precast box girder inner formworks as claimed in claim 3, wherein a pair of transverse channel supports (6) are further arranged inside the inner formworks, and the pair of transverse channel supports (6) are respectively connected with the corresponding support rods through bolts.
6. The prefabricated box girder inner template for the viaduct bridge as claimed in claim 3, wherein the inner template is fixed on a foundation through a fixing screw (8), the lower part of the fixing screw (8) is embedded in the foundation, and the upper part of the fixing screw (8) is connected with the corresponding rectangular steel plate fixing block (7) through a nut.
7. The prefabricated viaduct box girder inner formworks of claim 1, wherein a layer of stainless steel plate is laid on the outer surface of the inner formworks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920021453.0U CN209987134U (en) | 2019-01-07 | 2019-01-07 | Prefabricated box girder inner formwork of viaduct bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920021453.0U CN209987134U (en) | 2019-01-07 | 2019-01-07 | Prefabricated box girder inner formwork of viaduct bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209987134U true CN209987134U (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920021453.0U Active CN209987134U (en) | 2019-01-07 | 2019-01-07 | Prefabricated box girder inner formwork of viaduct bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209987134U (en) |
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2019
- 2019-01-07 CN CN201920021453.0U patent/CN209987134U/en active Active
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