CN218028397U - Steel bar truss floor support plate using galvanized steel plate punching net as bottom die - Google Patents
Steel bar truss floor support plate using galvanized steel plate punching net as bottom die Download PDFInfo
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- CN218028397U CN218028397U CN202220621688.5U CN202220621688U CN218028397U CN 218028397 U CN218028397 U CN 218028397U CN 202220621688 U CN202220621688 U CN 202220621688U CN 218028397 U CN218028397 U CN 218028397U
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Abstract
The utility model relates to an assembly type structure technical field discloses an use galvanized steel sheet punching net as steel bar truss building carrier plate of die block, including steel bar truss and die block wherein. The steel bar truss comprises an upper chord steel bar, a lower chord steel bar, a web member steel bar and a connecting reinforcing steel bar, the upper chord steel bar and the lower chord steel bar are welded and connected through the web member steel bar, and the upper chord steel bar of the other steel bar truss are welded and connected through the connecting reinforcing steel bar; the material of die block is galvanized steel sheet punching mesh, a plurality of aperture of regular spread is seted up on the net surface that punches a hole, a plurality of "eight" style of calligraphy strengthening ribs that are parallel to each other are bent out on the net surface that punches a hole, the top upper surface welded connection of the hook lower surface of web member reinforcing bar and "eight" style of calligraphy strengthening rib, it needs to demolish the die block pain point as the steel bar truss floor carrier plate of die block to have solved traditional galvanized steel sheet, convenient fitment when the cost is reduced, make the range of application of steel bar truss floor carrier plate wider.
Description
Technical Field
The utility model belongs to the technical field of the assembly type structure technique and specifically relates to an use galvanized steel sheet punching hole net as steel bar truss building carrier plate of die block.
Background
At present, traditional galvanized steel sheet is as steel bar truss floor carrier plate of die block because of its mechanized production efficiency is high, the welded joint is firm reliable, rigidity is good, few support, light in weight, construction convenience etc. advantage, it is more extensive to use in public building steel construction project, but rarely use on house concrete structure project, mainly because the galvanized steel sheet of die block is a airtight and glossy sheet metal, the galvanized steel sheet bottom can not directly draw together the putty fitment, general way is demolishs this one deck galvanized steel sheet or does the furred ceiling decorative layer in addition after the construction is accomplished, extra cost has been increased.
Therefore, the utility model discloses solve above problem specially.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art, the utility model provides an use galvanized steel sheet punching net to solve the above-mentioned problem as the steel bar truss building carrier plate of die block.
The technical scheme of the utility model: the utility model provides an use steel bar truss floor carrier plate of galvanized steel sheet punching screen as die block, includes:
the steel bar truss comprises an upper chord steel bar, a lower chord steel bar, a web member steel bar and a connecting reinforcing steel bar, the upper chord steel bar and the lower chord steel bar are connected through the web member steel bar in a welding manner, and the upper chord steel bar of the other steel bar truss are connected through the connecting reinforcing steel bar in a welding manner;
the die block, the material of die block is galvanized steel sheet punching mesh, galvanized steel sheet punching mesh is produced by airtight and smooth galvanized steel sheet through the die-cut processes such as expand drawing bending of special machine, galvanized steel sheet punching mesh surface sets up a plurality of aperture of regular spread, galvanized steel sheet punching mesh surface bends out a plurality of strengthening ribs that are parallel to each other, the curved foot lower surface of web member reinforcing bar with the top upper surface welded connection of strengthening rib makes its connected node firm reliable, has also strengthened concrete floor's bulk rigidity.
Furthermore, the steel bar truss floor support plate using the galvanized steel plate punched mesh as the bottom die further comprises a plurality of steel bar trusses parallel to each other, and the lower surfaces of the bent feet of the web member steel bars of the steel bar trusses are connected with the upper surfaces of the tops of the splayed reinforcing ribs in a welded mode.
Furthermore, the cross section of the steel bar truss is in a structure in a shape like a Chinese character 'ba', and the steel bar truss is composed of an upper chord steel bar, two lower chord steel bars, two web member steel bars and a plurality of connecting reinforcing steel bars, wherein the upper chord steel bar and the two lower chord steel bars are welded and connected through the two web member steel bars, and the upper chord steel bar of the other steel bar truss are welded and connected through the connecting reinforcing steel bars.
Furthermore, the section of the steel bar truss is in a structure shaped like a Chinese character 'ji', and the steel bar truss is composed of two upper chord steel bars, two lower chord steel bars, two web member steel bars and a plurality of connecting reinforcing steel bars, wherein the two upper chord steel bars and the two lower chord steel bars are welded and connected through the two web member steel bars, and the two upper chord steel bars are welded and connected through the connecting reinforcing steel bars.
Furthermore, a plurality of parallel reinforcing ribs shaped like Chinese character 'ba' or 'M' are bent on the surface of the galvanized steel sheet punching net.
Furthermore, the shape of the small holes on the surface of the galvanized steel sheet punching mesh can be rhombic, square, circular or elliptical according to actual requirements, the side length or diameter of each small hole shape is 4-30 mm, and the aperture ratio is more than 50%.
Furthermore, the thickness of the galvanized steel sheet punching mesh is 0.3-3 mm.
Further, the thickness of the galvanized steel sheet punching mesh is 0.3mm, 0.4mm, 0.5mm, 0.6mm or 0.7mm.
The utility model discloses following beneficial effect has:
the utility model provides an use galvanized steel sheet punching net as steel bar truss building carrier plate of die block, the die block uses galvanized steel sheet punching net to replace traditional airtight and glossy galvanized steel sheet, make at concreting in-process, partial concrete slurry passes the bottom surface that the aperture down permeated to galvanized steel sheet punching net, and the steel mesh is lived in the parcel, do not expose the metal, the bottom exposes visible only the concrete and, the concrete surface can directly be decorated, just also do not have this work of demolising die block steel sheet, thereby reduce construction cost.
Meanwhile, the dismounting-free galvanized steel sheet punching mesh also plays a role in enhancing the crack resistance of the bottom of the concrete floor slab, and the galvanized steel sheet punching mesh is welded with the steel bar truss, so that the node is firm and reliable, and the integral rigidity of the concrete floor slab is enhanced.
Drawings
FIG. 1 is a partial schematic view of the structure of the present invention;
fig. 2 is a schematic cross-sectional view of a first embodiment of the present invention;
fig. 3 is a partial schematic view of a steel bar truss according to a first embodiment of the present invention;
fig. 4 is a partial schematic view of a bottom mold according to a first embodiment of the present invention;
fig. 5 is a schematic transverse cross-sectional view of a concrete floor slab in a layered casting process according to an embodiment of the present invention;
fig. 6 is a schematic transverse cross-sectional view of a second embodiment of the present invention;
fig. 7 is a schematic transverse section of a second embodiment of the present invention during layered casting in a process of casting a concrete floor;
reference numerals are as follows: 1. a steel bar truss; 11. bending legs of the web member steel bars; 12. a lower chord steel bar; 13. web member reinforcing steel bars; 14. upper chord steel bars; 15. connecting reinforcing steel bars;
2. bottom die; 21. and (5) reinforcing ribs.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Example one
Referring to fig. 1 to 5, the present embodiment provides a steel bar truss floor deck using a galvanized steel sheet punching net as a bottom die, which includes a steel bar truss 1 and a bottom die 2; wherein:
the section of the steel bar truss 1 is of an inverted V-shaped structure and comprises an upper chord steel bar 14, two lower chord steel bars 12, two web member steel bars 13 and a plurality of connecting reinforcing ribs 15, wherein the upper chord steel bar 14 and the two lower chord steel bars 12 are connected through the two web member steel bars 13 in a welding manner, and the upper chord steel bar 14 of the other steel bar truss are connected through the connecting reinforcing ribs 15 in a welding manner; the material of die block 2 is galvanized steel sheet punching mesh, galvanized steel sheet punching mesh is produced by airtight and smooth galvanized steel sheet through the processes such as the die-cut extension of special machine is drawn and is bent, a plurality of aperture of regular array is seted up on galvanized steel sheet punching mesh surface, galvanized steel sheet punching mesh surface bends out a plurality of "eight" style of calligraphy strengthening ribs 21 that are parallel to each other, the curved foot 11 lower surface of web member reinforcing bar with the top upper surface welded connection of "eight" style of calligraphy strengthening rib 21.
As a further improvement of this embodiment, the floor deck is formed by welding and connecting the lower surfaces of the bent legs 11 of the web member steel bars of a plurality of parallel steel bar trusses 1 and the top surfaces of the apexes of the eight-shaped reinforcing ribs 21 of the galvanized steel plate punched mesh in a one-to-one correspondence manner by using a special machine.
Specifically, the surface of the galvanized steel sheet punching mesh is bent with a plurality of parallel "eight" shaped reinforcing ribs 21 or "M" shaped reinforcing ribs 21, in this embodiment, preferably, the surface of the galvanized steel sheet punching mesh is bent with a plurality of parallel "eight" shaped reinforcing ribs 21.
Specifically, the shape of the small hole on the surface of the galvanized steel sheet punching mesh can be rhombic, square, circular or elliptical according to actual requirements, the side length or diameter of each small hole shape is 4-30 mm, and the aperture ratio is more than 50%. In this embodiment, it is preferable that the shape of the small hole is a rhombus, the side length of the rhombus is 8mm × 10mm, and the aperture ratio is 60%.
Specifically, the thickness of the galvanized steel sheet punching mesh is 0.3-3 mm, and optionally, in this embodiment, the thickness of the galvanized steel sheet punching mesh is 0.3mm, 0.4mm, 0.5mm, 0.6mm, or 0.7mm, which is beneficial to enhancing the crack resistance of the bottom of the concrete floor.
Specifically, in the process of pouring the concrete floor slab, a layer of thin concrete can be poured in advance in a layered pouring mode, the thickness of the thin concrete is preferably enough to wrap the galvanized steel plate punching net and expose the lower surface of the lower chord steel bar 12, and optionally, in the embodiment, the thickness of the thin concrete poured in advance is 20mm. After the strength of the thin concrete poured in advance reaches the design requirement, the thin concrete is transported to a specified construction working face, gluten and bottom bars perpendicular to the direction of the steel bar truss 1 are bound on site, the concrete on the upper portion is poured after the water and electricity pipeline is penetrated, and the construction of the floor slab can be completed after the concrete is maintained and reaches the strength required by the design.
Example two
Referring to fig. 6 to 7, the second embodiment of the present invention provides a steel bar truss floor deck using a galvanized steel sheet punching net as a bottom mold, and is different from the first embodiment of the present invention in that the section of the steel bar truss 1 in the second embodiment of the present invention is in a "u" shape.
Specifically, the section of the steel bar truss 1 is of a structure shaped like a Chinese character 'ji', and the steel bar truss is composed of two upper chord steel bars 14, two lower chord steel bars 12, two web member steel bars 13 and a plurality of connecting reinforcing steel bars 15, wherein the two upper chord steel bars 14 and the two lower chord steel bars 12 are all welded and connected through the two web member steel bars 13, and the two upper chord steel bars 14 are welded and connected through the connecting reinforcing steel bars 15.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an use galvanized steel sheet punching hole net as steel bar truss floor carrier plate of die block which characterized in that includes:
the steel bar truss comprises a steel bar truss (1), wherein the steel bar truss (1) comprises upper chord steel bars (14), lower chord steel bars (12), web member steel bars (13) and connecting reinforcing steel bars (15), the upper chord steel bars (14) and the lower chord steel bars (12) are all connected through the web member steel bars (13) in a welding mode, the upper chord steel bars (14) and the upper chord steel bars (14) of another steel bar truss (1) are connected through the connecting reinforcing steel bars (15) in a welding mode, the section of the steel bar truss (1) is of a structure shaped like a Chinese character 'ji', the steel bar truss is composed of the two upper chord steel bars (14), the two lower chord steel bars (12), the two web member steel bars (13) and a plurality of connecting reinforcing steel bars (15), the two upper chord steel bars (14) and the two lower chord steel bars (12) are all connected through the two web member steel bars (13) in a welding mode, the two upper chord steel bars (14) are connected through the connecting reinforcing steel bars (15) in a welding mode, the thickness of the bottom die (2) is 3mm, the size of a small hole on the surface of the bottom die (2) is more than 4mm, and the side length is more than 50-50%;
die block (2), the material of die block (2) is galvanized steel sheet punching mesh, galvanized steel sheet punching mesh surface sets up regular spread's a plurality of aperture, galvanized steel sheet punching mesh surface bends out a plurality of strengthening ribs (21) that are parallel to each other, curved foot (11) lower surface of web member reinforcing bar (13) with the top upper surface welded connection of strengthening rib (21).
2. The steel bar truss floor support plate using the galvanized steel plate punching net as the bottom die according to claim 1, characterized in that: the steel bar truss structure is characterized by further comprising a plurality of steel bar trusses (1) which are parallel to each other, and the steel bar trusses (1) are fixedly connected with the bottom die (2).
3. The steel bar truss floor support plate using the galvanized steel plate punching net as the bottom die according to claim 1, characterized in that: the section of the steel bar truss (1) is of an eight-shaped structure and is composed of an upper chord steel bar (14), two lower chord steel bars (12), two web member steel bars (13) and a plurality of connecting reinforcing steel bars (15), the upper chord steel bar (14) and the two lower chord steel bars (12) are all connected through the two web member steel bars (13) in a welded mode, and the upper chord steel bar (14) of the other steel bar truss (1) are connected through the connecting reinforcing steel bars (15) in a welded mode.
4. The steel bar truss floor deck using the galvanized steel plate punching net as the bottom die as claimed in claim 1, wherein: and a plurality of splayed reinforcing ribs (21) or M-shaped reinforcing ribs (21) which are parallel to each other are bent on the surface of the bottom die (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220621688.5U CN218028397U (en) | 2022-03-22 | 2022-03-22 | Steel bar truss floor support plate using galvanized steel plate punching net as bottom die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220621688.5U CN218028397U (en) | 2022-03-22 | 2022-03-22 | Steel bar truss floor support plate using galvanized steel plate punching net as bottom die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218028397U true CN218028397U (en) | 2022-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220621688.5U Active CN218028397U (en) | 2022-03-22 | 2022-03-22 | Steel bar truss floor support plate using galvanized steel plate punching net as bottom die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218028397U (en) |
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2022
- 2022-03-22 CN CN202220621688.5U patent/CN218028397U/en active Active
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