CN217461131U - Exempt from to tear open mould steel bar truss building carrier plate - Google Patents
Exempt from to tear open mould steel bar truss building carrier plate Download PDFInfo
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- CN217461131U CN217461131U CN202221077524.7U CN202221077524U CN217461131U CN 217461131 U CN217461131 U CN 217461131U CN 202221077524 U CN202221077524 U CN 202221077524U CN 217461131 U CN217461131 U CN 217461131U
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- steel bar
- bar truss
- connecting piece
- steel
- transverse pipe
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Abstract
The utility model relates to the technical field of floor support plates, in particular to a steel bar truss floor support plate without form removal, which comprises a steel bar truss and a bottom template; both sides of the bottom of the steel bar truss are connected with the bottom template through connecting pieces arranged at intervals; the connecting pieces on the two sides of the bottom of the steel bar truss are arranged in a staggered mode. The utility model discloses a connecting piece is connected steel bar truss and die block board to arrange the connecting piece into two rows, two rows of connecting pieces crisscross setting each other, not only optimized the position and the quantity of connecting piece between steel bar truss and the die block board, can also make the even atress of every connecting piece, and then make whole building carrier plate frame construction can evenly bear the external load, avoid appearing shearing the destruction.
Description
Technical Field
The utility model relates to a building carrier plate technical field specifically relates to an exempt from to tear open mould steel bar truss building carrier plate.
Background
The existing formwork-removal-free steel bar truss floor bearing plate adopts a fiber cement flat plate to replace a profiled steel plate in the steel bar truss floor bearing plate to be a bottom formwork, a non-presser steel bar truss is selected, a common connecting piece is welded at the lower part of a lower chord steel bar or short connecting pieces are welded respectively, then a high-strength self-tapping nail penetrates through the fiber cement plate and the connecting piece from the bottom and is connected and fixed with the steel bar truss, a three-dimensional frame combined formwork is formed, the product structure combines the advantages of the fiber cement plate and the steel bar truss, the high-strength light steel bar truss formwork has the advantages of being light in weight, free of support or simple in support and capable of being constructed, the scaffold above 3/4 is reduced, the construction speed is high, the decoration performance is good, and the like, but some defects also exist, and the concrete following steps are as follows:
the connection between the fiber cement board bottom template and the steel bar truss is realized by using self-tapping screws to beat short connecting pieces welded with the steel bar truss, the distance between the short connecting pieces is consistent with the pitch of the steel bar truss (generally 200mm), so that a large amount of nailing is needed for connection and fixation, and the production efficiency is low. Meanwhile, through grid division analysis, the connection mode is firm from the view of the whole structure, but when the whole structure uniformly bears an external load, because the connection structures are not uniformly distributed, even if the connection structures are divided according to regions with equal areas, a single connection structure is not at the central point of the borne region, and when the external load reaches a certain degree, the connection structure is firstly subjected to shear damage instead of pressure damage;
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the shortcoming that prior art exists, the proposed design exempts from to tear open mould steel bar truss building carrier plate has optimized the position and the quantity of connecting piece between steel bar truss and the die block board, makes every connecting piece can even atress.
The utility model provides a technical scheme that its technical problem adopted is:
a steel bar truss floor bearing plate free of die disassembly comprises a steel bar truss and a bottom die plate; both sides of the bottom of the steel bar truss are connected with the bottom template through connecting pieces arranged at intervals; the connecting pieces on the two sides of the bottom of the steel bar truss are arranged in a staggered mode. The utility model discloses arrange the connecting piece into two rows and two rows of connecting pieces crisscross settings each other, optimized the position and the quantity of connecting piece between steel bar truss and the die block board, made every connecting piece can even atress, and then made whole building carrier plate frame construction can evenly bear the external load, avoid appearing shearing the destruction.
Furthermore, a transverse pipe is arranged at a gap between the bottoms of the two ends of the steel bar truss and the bottom template so as to optimize the cross rib structure.
Furthermore, two ends of the upper surface of the transverse pipe are respectively welded with the two lower chord steel bars of the steel bar truss.
Furthermore, the transverse pipe is hollow section steel, such as a square pipe, a rectangular pipe or a circular pipe.
Furthermore, the formwork-removal-free steel bar truss floor bearing plate also comprises vertical bars; the upper ends of the vertical ribs are welded and fixed with the top of the steel bar truss, and one side, close to the lower end, of each vertical rib is welded with the transverse pipe.
Furthermore, the length of the transverse pipe is not less than the full outer width of the two lower chord steel bars of the steel bar truss, for example, the length of the transverse pipe is 8mm, 10mm or 11mm greater than the full outer width of the two lower chord steel bars of the steel bar truss.
Furthermore, the connecting piece is hollow section steel, such as square pipe, rectangular pipe or circular pipe, and upper surface and steel bar truss's last quarter reinforcing bar welding, lower surface and die block pass through self-tapping screw and are connected.
Furthermore, the bottom template is a fiber cement flat plate, a fiber reinforced calcium silicate board, a magnesium sulfate board, a magnesium oxide board or a water-resistant gypsum board, but the bottom template is not limited to the material, and other materials used for manufacturing the bottom template can be used.
The technical effects of the utility model:
compared with the prior art, the utility model discloses an exempt from formwork stripping steel bar truss building carrier plate is connected steel bar truss and die block board through the connecting piece to arrange the connecting piece into two rows, two rows of connecting pieces crisscross setting each other, not only optimized the position and the quantity of connecting piece between steel bar truss and the die block board, can also make the even atress of every connecting piece, and then make whole building carrier plate frame construction can evenly bear the external load, avoid appearing shearing the destruction.
Drawings
Fig. 1 is a top view of the form-removal-free steel bar truss floor support plate of the utility model;
FIG. 2 is a front view of the formwork-removal-free steel bar truss floor support plate of the present invention;
fig. 3 is a top view of the formwork-removal-free steel bar truss floor support plate (including transverse pipes and vertical bars);
fig. 4 is another structural front view of the steel bar truss floor support plate without form removal of the utility model.
In the figure, a steel bar truss 1, a bottom formwork 2, a connecting piece 3, a transverse pipe 4, a vertical rib 5, an upper chord steel bar 101, a lower chord steel bar 102 and a web member steel bar 103.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings of the specification.
Example 1:
as shown in fig. 1-2, the formwork-dismantling-free steel bar truss floor deck according to the present embodiment includes a steel bar truss 1, a bottom formwork 2, and studs 5; the steel bar truss 1 is fixedly connected into a whole by welding an upper chord steel bar 101, a lower chord steel bar 102 and a web member steel bar 103; the bottom template 2 includes, but is not limited to, a fiber cement board and a calcium silicate board, and the bottom template 2 of the embodiment is a fiber cement board; the upper ends of the vertical bars 5 are welded and fixed with the bottom surface of the upper chord steel bar 101, and the lower ends of the vertical bars are connected with an external structural beam.
The bottoms of the two lower chord steel bars 102 are connected with the bottom template 2 through connecting pieces 3 arranged at intervals; in the embodiment, the connecting piece 3 adopts a square tube, the contact area between the connecting piece 3 and the bottom template 2 is enlarged, the nailing accuracy is ensured, the upper surface of the connecting piece 3 is welded with the lower chord steel bar 102, and the lower surface of the connecting piece 3 is connected with the bottom template 2 through the self-tapping screw; the connecting pieces 3 at the bottoms of the two lower chord steel bars 102 are arranged in a staggered mode, the positions and the number of the connecting pieces 3 between the steel bar truss 1 and the bottom formwork 2 are optimized, each connecting piece 3 can be stressed uniformly, areas which are equal to each connecting piece 3 are divided, each connecting piece 3 is located at the central point of the area where the connecting piece is located, and the stress uniformity is guaranteed as shown in a square shadow area in fig. 1.
A transverse pipe 4 is arranged at a gap between the two lower chord steel bars 102 and the bottom template 2, and the transverse pipe 4 is positioned at the end part of the steel bar truss 1; the arrangement of the transverse pipes 4 controls the thickness of a steel bar protection layer below the lower chord ribs of the truss ribs (the transverse pipes 4 with different section sizes are selected according to design requirements) and controls the flatness of the truss rib pressing beams to ensure the integral flatness of the assembled floor bearing plates; preferably, the transverse tube 4 of the present embodiment is a square tube; the upper surface of the transverse pipe 4 is welded with two lower chord steel bars 102; one side surface of the transverse pipe 4 is welded with one side of the vertical rib 5 close to the lower end; preferably, the length of the transverse tube 4 in this embodiment is 10mm greater than the full outer width of the two lower chord steel bars 102; to increase the stability of the cross tube 4, the height of the cross tube 4 is made the same as the height of the connecting piece 3.
When the steel bar truss 1 is connected with the bottom formwork 2, the two rows of connecting pieces 3 connected with the lower chord steel bars 102 are arranged in a staggered mode, so that the number of the connecting pieces 3 is reduced by half, and each connecting piece 3 can be stressed uniformly; in order to further ensure the uniform stress of the connecting pieces, the reinforcing steel bars are divided into equal areas according to each connecting piece 3, and each connecting piece is positioned at the central point of the area where the connecting piece is positioned; in the embodiment, the transverse pipe 4 is arranged as a square pipe and arranged in the gap between the two lower chord steel bars 102 and the bottom template 2, and the transverse pipe is matched with the vertical bars 5 to enhance the stability between the steel bar truss 1 and the structural beam. When the floor support plate and the structural beam are installed, the upper plane of the bottom template 2 can be flush with the upper flange of the structural beam, as shown in fig. 4, at this time, the bottoms of the studs 5 are welded with the structural beam (not shown in the figure), and the upper flange of the structural beam is flush with the upper plane of the bottom template 2; it is also possible to have the ends of the bottom form 2 placed on the upper flange of the structural beam and on the side of the studs 5, as shown in figure 2.
The above embodiments are only specific ones of the present invention, and the protection scope of the present invention includes but is not limited to the above embodiments, any changes or modifications properly made by those skilled in the art according to the claims of the present invention and the appended claims should fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides an exempt from to tear open mould steel bar truss building carrier plate which characterized in that: comprises a steel bar truss (1) and a bottom template (2); both sides of the bottom of the steel bar truss (1) are connected with the bottom formwork (2) through connecting pieces (3) arranged at intervals; the connecting pieces (3) on the two sides of the bottom of the steel bar truss (1) are arranged in a staggered mode.
2. The form-removal-free steel bar truss floor deck as claimed in claim 1, wherein: a transverse pipe (4) is arranged between the bottoms of the two ends of the steel bar truss (1) and the bottom template (2).
3. The form-removal-free steel bar truss floor deck as claimed in claim 2, wherein: and two ends of the upper surface of the transverse pipe (4) are respectively welded with the two lower chord steel bars (102) of the steel bar truss (1).
4. The form-stripping-free steel bar truss floor deck as claimed in claim 2 or 3, wherein: the steel bar truss floor bearing plate without the die disassembly further comprises vertical bars (5); the upper end of the stud (5) is welded and fixed with the top of the steel bar truss (1), and one side, close to the lower end, of the stud (5) is welded with the transverse pipe (4).
5. The form-stripping-free steel bar truss floor deck as claimed in claim 2 or 3, wherein: the length of the transverse pipe (4) is not less than the full outer width of the two lower chord steel bars (102) of the steel bar truss (1).
6. The form-removal-free steel bar truss floor deck as claimed in claim 2, wherein: the transverse pipe (4) is made of hollow section steel.
7. The form-removal-free steel bar truss floor deck as claimed in claim 1, wherein: the connecting piece (3) is hollow section steel, the upper surface of the connecting piece is welded with a lower chord steel bar (102) of the steel bar truss (1), and the lower surface of the connecting piece is connected with the bottom template (2) through self-tapping screws.
8. The demolition-free steel-bar truss floor deck according to claim 1, 2, 3, 6 or 7, wherein: the bottom template (2) is a fiber cement flat plate, a fiber reinforced calcium silicate board, a magnesium sulfate board or a water-resistant gypsum board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221077524.7U CN217461131U (en) | 2022-05-07 | 2022-05-07 | Exempt from to tear open mould steel bar truss building carrier plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221077524.7U CN217461131U (en) | 2022-05-07 | 2022-05-07 | Exempt from to tear open mould steel bar truss building carrier plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217461131U true CN217461131U (en) | 2022-09-20 |
Family
ID=83272475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221077524.7U Active CN217461131U (en) | 2022-05-07 | 2022-05-07 | Exempt from to tear open mould steel bar truss building carrier plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217461131U (en) |
-
2022
- 2022-05-07 CN CN202221077524.7U patent/CN217461131U/en active Active
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