CN212247889U - Cast-in-place box girder support system suitable for changeable camber - Google Patents
Cast-in-place box girder support system suitable for changeable camber Download PDFInfo
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- CN212247889U CN212247889U CN202020620167.9U CN202020620167U CN212247889U CN 212247889 U CN212247889 U CN 212247889U CN 202020620167 U CN202020620167 U CN 202020620167U CN 212247889 U CN212247889 U CN 212247889U
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Abstract
The utility model belongs to the technical field of building construction, and relates to a cast-in-place box girder supporting system suitable for variable curvature, which comprises a plurality of battens supported on the bottom surface of a horizontal part and the bottom surface of an arc part of a template, wherein the battens of the horizontal part are supported by a plurality of horizontal double C steels, and the two adjacent horizontal double C steels are connected through a connecting box; the flitch of template arc part bottom surface passes through the connecting piece support of arcing, the two C steels of upper portion connection pterygoid lamina department, the two C steels of lower part connection web department of arcing connecting piece, the two C steels in pterygoid lamina department, the two C steels in web department and the gap punishment that corresponds between the two C steels in pterygoid lamina department and the two C steels in web department on the connecting piece of arcing do not connect single support, and the lower extreme and the two C steels in horizontal department of single support are connected, single support can stretch out and draw back the regulation. This support frame can play and optimize bearing structure, save material, integral hoisting, reduce the installation and dismantle the number of times, reduce the effect to artifical demand, improvement efficiency of construction.
Description
Technical Field
The utility model belongs to the technical field of the construction, a cast-in-place case roof beam supports system suitable for changeable camber is related to.
Background
Along with economic development and the tendency of easy congestion of social traffic day, municipal construction gradually develops from one-dimensional ground to three-dimensional ground, namely underground and overground, wherein the overground road construction mainly comprises an elevated bridge; however, the existing viaduct flange end construction technology is relatively traditional, repeated installation and disassembly are needed after the working face is finished every time, excessive resource waste is caused, the construction efficiency is low, and many adverse factors are hidden in a flange supporting system in a reverse-pulling mode.
Disclosure of Invention
The utility model aims at the above problem, a cast-in-place case roof beam support system suitable for changeable camber is provided, and this support frame can play and optimize bearing structure, save material, integral hoisting, reduction installation dismantle the number of times, reduce artificial demand, improve the effect of efficiency of construction.
According to the technical scheme of the utility model: the utility model provides a cast-in-place box girder braced system suitable for changeable camber which characterized in that: the formwork comprises a plurality of battens supported on the bottom surface of a horizontal part and the bottom surface of an arc-shaped part of the formwork, wherein the battens of the horizontal part are supported by a plurality of horizontal double-C steel, and two adjacent horizontal double-C steel are connected through a connecting box;
the flitch of template arc part bottom surface passes through the connecting piece support of arcing, the two C steels of upper portion connection pterygoid lamina department, the two C steels of lower part connection web department of arcing connecting piece, the two C steels in pterygoid lamina department, the two C steels in web department and the gap punishment that corresponds between the two C steels in pterygoid lamina department and the two C steels in web department on the connecting piece of arcing do not connect single support, and the lower extreme and the two C steels in horizontal department of single support are connected, single support can stretch out and draw back the regulation.
As the improvement of the utility model, this structure has changed traditional edge of a wing end and has supported the steel pipe and has reversed the mode of drawing, through two C steel and single support combination design, has optimized the bearing structure system, makes the structure more firm, safety.
As a further improvement, the double C steel of web department, the double C steel of pterygoid lamina department are connected with the connecting piece that arcs through the pin respectively.
As a further improvement, the single support include the outer pole and with the scalable connection's of outer pole interior pole, the upper portion on outer pole surface is equipped with one section screw thread portion, is equipped with along axially extended waist type groove on the screw thread portion, the holding ring connect in waist type groove and with the through-hole on interior pole surface be connected, a stop nut is connected to one side that corresponds to the holding ring on the screw thread portion to the realization is to the rigidity of holding ring.
As a further improvement of the utility model, the upper and lower both ends of the single support are respectively connected with the corresponding connecting part through bolts.
The technical effects of the utility model reside in that: the product of the utility model changes the mixed and disorderly situation of the traditional flange supporting system, the structure is simple, the force transmission direction is clear, and the adverse factors are reduced; the construction technology level is improved while the manual efficiency is improved, and the transformation of the traditional manual construction to the man-machine construction direction is realized; meanwhile, the invention can form a standardized and unitized system, realizes one-time installation, is not disassembled in the whole process, and is very convenient for construction and material management.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings.
In the figure 1, the device comprises double C steel 1 at the horizontal position, a connecting box 2, double C steel 3 at a web plate, a single support 4, an outer rod 4-1, an inner rod 4-2, a thread part 4-3, a waist-shaped groove 4-4, a limit nut 5, a positioning ring 6, double C steel 7 at a wing plate position, an arc starting connecting piece 8, a wood wedge 9, a limit bolt 10, a pin 11, a bolt 12, a template 13, a batten 14 and the like.
As shown in fig. 1, the utility model relates to a cast-in-place box girder support system suitable for changeable camber, including supporting in a plurality of flitches 14 of template 13 horizontal part bottom surface and arc part bottom surface, wherein the flitch of horizontal part is supported through the double C steel 1 of a plurality of levels, connects through connecting box 2 between the double C steel 1 of two adjacent levels;
the flitch of 13 arc partial bottoms of template passes through the support of arcing connecting piece 8, the two C steel 7 of pterygoid lamina department, the two C steel 3 of lower part connection web department of upper portion connection pterygoid lamina department of arcing connecting piece 8, the single brace 4 is do not connected to the two C steel 7 of pterygoid lamina department, the two C steel 3 of web department and the play gap punishment between the two C steel 3 of web department corresponding to pterygoid lamina department on the connecting piece 8, and the lower extreme of single brace 4 is connected with the two C steel 1 of level department, the single brace 4 can be adjusted by flexible.
The double C-shaped steel 3 at the web plate and the double C-shaped steel 7 at the wing plate are respectively connected with the arcing connecting piece 8 through pins 11.
The single support 4 comprises an outer rod 4-1 and an inner rod 4-2 which is in telescopic connection with the outer rod 4-1, a section of thread part 4-3 is arranged on the upper part of the surface of the outer rod 4-1, a waist-shaped groove 4-4 extending along the axial direction is arranged on the thread part 4-3, the positioning ring 6 is connected in the waist-shaped groove 4-4 and is connected with a through hole on the surface of the inner rod 4-2, and one side, corresponding to the positioning ring 6, of the thread part 4-3 is connected with a limiting nut 5 so as to fix the position of the positioning ring 6.
The upper and lower ends of the single support 4 are respectively fixedly connected with the corresponding connecting parts through bolts 12.
As shown in fig. 1, when the utility model is used, the main keel, that is, the double C steel 1 at the horizontal position is arranged in advance, the double C steel 1 at the horizontal position is connected through the connecting box 2, further according to the construction requirement, the adjustable single support 4 is adjusted to the corresponding supporting height (the adjustable single support 4 is adjusted to the supporting height through the spacing nut 5 and the positioning ring 6), the lower end of the adjustable single support 4 is installed at the double C steel 1 at the horizontal position, the upper end is used for fixing the double C steel 7 at the wing plate, the arc starting connecting piece 8 and the double C steel 3 at the web plate, and the adjustable single support 4 is connected with the double C steel 3 at the web plate, the double C steel 7 at the wing plate and the arc starting connecting piece 8 through high-; according to the construction characteristics, the adjustable single support 4 supporting fixed nodes and the adjustable single support mounting nodes are reasonably calculated by combining finite element analysis and are reasonably arranged on the high formwork, so that the supporting rod piece is prevented from being excessively concentrated on a certain part or a certain node in the process of force transmission, and the structural system is safer and more stable. Adopt pin joint simultaneously between two C steel 7 of pterygoid lamina department, the connecting piece 8 that arcs, the two C steel 3 of web of the board of assembling, wherein the high demand of web is satisfied through adjusting the two C steel 3 length of the two C steel of connecting box 2 interpolation web department in web department, fixes on the two C steel 1 of horizontal direction through spacing bolt at last to wooden wedge 9 is supplementary fixed in the horizontal direction.
Claims (4)
1. The utility model provides a cast-in-place box girder braced system suitable for changeable camber which characterized in that: the formwork structure comprises a plurality of battens (14) supported on the bottom surfaces of a horizontal part and an arc part of a formwork (13), wherein the battens of the horizontal part are supported by a plurality of horizontal double-C steel (1), and the double-C steel (1) at two adjacent levels are connected through a connecting box (2);
the flitch of template (13) arc part bottom surface passes through arc starting connecting piece (8) to be supported, the two C steel (7) of upper portion connection pterygoid lamina department, the two C steel (3) of lower part connection web department of arc starting connecting piece (8), single brace (4) are connected respectively to the space department corresponding to between two C steel (7) of pterygoid lamina department and the two C steel (3) of web department on the two C steel (7), the two C steel (3) of web department of pterygoid lamina department and the arc starting connecting piece (8), and the lower extreme and the two C steel (1) of level department of single brace (4) are connected, single brace (4) can stretch out and draw back the regulation.
2. The cast-in-place box beam support system suitable for polytropic curvature of claim 1, wherein: the double C-shaped steel (3) at the web and the double C-shaped steel (7) at the wing plate are respectively connected with the arcing connecting piece (8) through a pin (11).
3. The cast-in-place box beam support system suitable for polytropic curvature of claim 1, wherein: the single support (4) comprises an outer rod (4-1) and an inner rod (4-2) which is connected with the outer rod (4-1) in a telescopic mode, a section of thread portion (4-3) is arranged on the upper portion of the surface of the outer rod (4-1), a waist-shaped groove (4-4) extending along the axial direction is formed in the thread portion (4-3), the positioning ring (6) is connected in the waist-shaped groove (4-4) and is connected with a through hole in the surface of the inner rod (4-2), and one side, corresponding to the positioning ring (6), of the thread portion (4-3) is connected with a limiting nut (5) so that the positioning ring (6) can be fixed in position.
4. The cast-in-place box beam support system suitable for polytropic curvature of claim 1, wherein: the upper end and the lower end of the single support (4) are respectively fixedly connected with the corresponding connecting parts through bolts (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020620167.9U CN212247889U (en) | 2020-04-22 | 2020-04-22 | Cast-in-place box girder support system suitable for changeable camber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020620167.9U CN212247889U (en) | 2020-04-22 | 2020-04-22 | Cast-in-place box girder support system suitable for changeable camber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212247889U true CN212247889U (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020620167.9U Active CN212247889U (en) | 2020-04-22 | 2020-04-22 | Cast-in-place box girder support system suitable for changeable camber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212247889U (en) |
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2020
- 2020-04-22 CN CN202020620167.9U patent/CN212247889U/en active Active
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