CN216428719U - Steel composite shell cement board truss plate - Google Patents
Steel composite shell cement board truss plate Download PDFInfo
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- CN216428719U CN216428719U CN202122759326.0U CN202122759326U CN216428719U CN 216428719 U CN216428719 U CN 216428719U CN 202122759326 U CN202122759326 U CN 202122759326U CN 216428719 U CN216428719 U CN 216428719U
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- steel
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- cement
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 114
- 239000010959 steel Substances 0.000 title claims abstract description 114
- 239000004568 cement Substances 0.000 title claims abstract description 74
- 239000002131 composite material Substances 0.000 title claims abstract description 33
- 150000001875 compounds Chemical class 0.000 claims abstract description 9
- 238000004080 punching Methods 0.000 claims abstract description 8
- 239000010985 leather Substances 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 238000007790 scraping Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010008 shearing Methods 0.000 abstract description 5
- 238000005452 bending Methods 0.000 abstract description 4
- 230000001413 cellular effect Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 description 9
- 230000006378 damage Effects 0.000 description 5
- 229910052755 nonmetal Inorganic materials 0.000 description 5
- 239000000758 substrate Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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Abstract
The utility model discloses a steel composite shell cement board truss plate, wherein steel strips are compounded on the outer surface of a plate main body; the steel skin strip outwards one side punching press has a plurality of hexagonal holes according to cellular range, and the steel skin strip inwards all has the triangle limit tooth of perpendicular steel skin strip one side inwards in the punching press on the edge of hexagonal hole below one side, and the steel skin strip passes through each triangle limit tooth and compounds closely on the panel main part. The total area of the hexagonal holes accounts for 35% -45% of the total area of the whole plate. The advantages are that: the steel composite shell cement board truss board has light self weight, greatly improved production efficiency, easy control of delivery quality and small construction loss, and can be produced in a factory in a large scale; the integral bending resistance and shearing resistance are greatly enhanced, and the elastic modulus is larger; the percent opening of sheet steel strip is more scientific, and the sheet steel strip covers and distributes more practically, and the cellular trompil arrangement mode of hexagonal trompil has increased the resistance to plucking intensity of sheet steel strip, anti-drop.
Description
Technical Field
The utility model relates to a building board field especially relates to a compound strenghthened type cement slab truss plate.
Background
Superimposed sheet and building carrier plate are the building board who uses commonly in the building field, and for the convenience of use, the prefabricated cement board superimposed sheet that superimposed sheet adopted often. At present, the form that prefabricated cement board superimposed sheet and floor carrier plate generally adopted mainly has: prefabricated cement plate superimposed sheet, steel bar truss floor carrier plate in the national standard drawing set. However, it has the following technical defects: the thickness of the prefabricated layer of the prefabricated cement plate laminated slab in the national standard drawing set is not less than 60mm, the self weight is large, the in-situ adjustment is difficult after the prefabricated cement plate laminated slab is hoisted, the loss in the transportation process is large, and the requirement of a large-span plate on the hoisting capacity of on-site construction machinery is high, so that the on-site construction is difficult; due to the limitation of a manufacturing process and a mechanical die, the width of the dimension specification is generally not more than 2.44m, and the requirements of integrally forming special-shaped plates and integrally hoisting required by partial buildings cannot be met; the floor bearing plate combined with the steel bar truss takes galvanized steel sheets as a bottom plate, the surface of the floor bearing plate is provided with concave and convex surfaces, the surface of the floor bearing plate needs to be smoothed after forming, the design requirement of general house decoration can be met, the local concave phenomenon is easy to occur when a cement plate is poured, the whole construction process is more, and the effect of the technical requirement is difficult to guarantee; the prefabricated cement plate composite slab and the floor bearing plate have the problems that the construction period, the cost and the quality requirements in practical application are difficult to meet in the implementation of assembly type buildings.
In order to solve the problems, the applicant develops a steel shell composite plate laminated floor system which comprises a non-metal substrate and a hollowed steel plate, wherein the thickness of the non-metal substrate is 5-20 times that of the hollowed steel plate, a plurality of stamping holes are punched in the hollowed steel plate, steel sheets protruding downwards are arranged at the edge below each stamping hole, each steel sheet is pressed downwards into the non-metal substrate, and the hollowed steel plate is tightly compounded on the non-metal substrate through each steel sheet. And was filed and granted under patent No. 2020229986772. However, in the course of subsequent practice, the applicant has found that the following drawbacks exist:
(1) the side teeth formed by punching and shearing hexagonal holes on the hollowed steel plates are combined with the cement plate, and a composite structure is formed after maintenance is completed, but the bonding degree of the composite structure is not enough, so that the composite structure cannot be used in places with severe use requirements, such as workshops with large vibration;
(2) the distribution intervals of the punched holes of the hollowed-out steel plates are too large, the hole opening rate of the punched holes is only 18%, the phenomenon of uneven stress is easy to occur due to the adoption of an array arrangement mode, so that the damage limit of the hollowed-out steel plates is lower, the stress in the contraction process of the cement plate is not reduced, and the stress is easy to generate bending deformation after the maintenance of the plate is finished;
(3) the pulling resistance between the hollowed-out steel plate and the cement plate is insufficient, so that the stress of each part of the hollowed-out steel plate is not uniform enough, and the hollow-out steel plate is used under specific conditions
The weak point of stress damage can be generated, and hidden danger is generated due to insufficient pulling strength of the hollow steel plate.
(4) The hollow steel plate completely covers the non-metal base plate, and the composite reinforced cement plate truss plate which is not too high in requirements can cause the processing difficulty to rise when the whole area is large, and the cost of the steel plate is high.
SUMMERY OF THE UTILITY MODEL
For solving the existence above-mentioned defect of current steel-clad composite sheet coincide superstructure, the utility model provides a compound shell cement slab truss plate of steel that each item performance is better.
In order to achieve the purpose, the utility model adopts the technical proposal that:
the utility model provides a compound shell cement board truss plate of steel, includes the cement board as the panel main part to and 5 or 5 above steel skin strips as the cement board and strengthen the composite sheet, characterized by: the steel leather strips are uniformly distributed on the outer surface of the cement board at intervals; the steel skin strip has a plurality of hexagonal holes according to honeycomb arrangement towards the punching press of one side outward, and the steel skin strip all is equipped with the triangle limit tooth of perpendicular steel skin strip one side inwards on the edge of hexagonal hole below one side inwards, and every limit in hexagonal hole corresponds a slice triangle limit tooth, and inside each triangle limit tooth all pushed down into the cement board, the steel skin strip closely compounded on the cement board through each triangle limit tooth.
Furthermore, a galling scraping groove for adding adhesive force between the steel sheet strips and the concrete is arranged on the surface of the area, which is not covered by the steel sheet strips, of the outer surface of the cement board.
Further, the total area of the hexagonal holes accounts for 35% -45% of the total area of the whole plate.
When in use, the steel composite shell cement board truss plate can be randomly cut into a required shape in a factory.
For steel shell composite sheet coincide superstructure among the prior art, the aperture ratio of the fretwork steel sheet of current steel shell composite sheet coincide superstructure is only 18%, through changing hexagonal hole trompil arrangement mode, has increased the aperture ratio, under the same condition of panel area, the aperture ratio of steel skin strip has reached more than 40%, has also increased the area in the triangle side tooth embedding cement board of steel skin strip simultaneously to the grip of cement board to the steel skin strip has further been increased, has improved the destruction limit of steel compound shell cement board truss plate. In addition, the six-side holes multiply increase the anti-pulling force between the steel sheet and the cement board through a honeycomb hole opening mode, so that the steel sheet strip is prevented from falling off, all parts of the steel sheet strip are uniformly stressed, the weak point of stress damage is avoided to the maximum extent, and the anti-pulling strength of the steel sheet strip is greatly increased; meanwhile, the steel plate cost ratio is reduced, and when the whole area is large, the machining process is easier.
By last, for current prefabricated cement board superimposed sheet and building carrier plate, the utility model discloses following advantage has:
(1) the structure is easy to process, the structure is simple, the manufacture is easy, the whole thickness is thinner, the self weight is lighter, the production efficiency is greatly improved, the factory quality is easy to control, the construction loss is small, and the large-scale production in a factory can be realized;
(2) the performance is stronger, and the bending resistance and the shearing resistance of the whole body are greatly enhanced and the elastic modulus is larger due to the clamping of the steel leather strips; the aperture ratio of the steel sheet strip is more scientific, the coverage distribution of the steel sheet strip is more practical, the anti-pulling strength of the steel sheet strip is increased by the honeycomb-shaped aperture arrangement mode of the hexagonal apertures, and the anti-falling performance is good;
(3) the adaptability is strong, and the adjacent steel composite shell cement board truss plates can be cut at will;
(4) the application range is wide, and the floor can be used as a common floor; or pouring a cement board after splicing to form a floor slab with an integral structure;
(5) the installation is convenient, the field installation is simple, the construction speed is high, and the fixing measures are stable. When the steel composite shell cement board truss plate is installed on site, the self weight is relatively light, the labor intensity is relatively low, and manual laying operation is facilitated.
Drawings
Fig. 1 is a front view of a steel double hull cement slab truss plate in accordance with a preferred embodiment of the present invention.
Fig. 2 is a partial view of fig. 1.
Fig. 3 is a cross-sectional view of fig. 2.
The reference numbers illustrate: 8-steel composite shell cement board truss plate, 81-cement board, 83-steel leather strip, 84-hexagonal hole and 85-triangular side tooth.
Detailed Description
The present invention and its advantageous technical effects are further described in detail below with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1 to 3, the composite steel shell cement board truss plate of the present invention includes a cement board 81 as a main body of the plate, and 5 or more than 5 steel strips 83 as the cement board 81 to reinforce the composite plate, wherein the steel strips 83 are uniformly distributed on the outer surface of the cement board 81 at intervals; the steel skin strip 83 has a plurality of hexagonal holes 84 according to honeycomb arrangement to the punching press of one side outwards, steel skin strip 83 all is equipped with perpendicular steel skin strip 83 on the edge of hexagonal hole 84 below one side inwards, steel skin strip 83 corresponds a slice of triangle limit tooth 85 on one side inwards, this triangle limit tooth 85 is by steel skin strip 83 down punching press hexagonal hole 84 when, by hexagonal hole 84 central point along diagonal split natural turn-ups formation, inside each triangle limit tooth 85 all pushed down into cement board 81, steel skin strip 83 closely compounds on cement board 81 through each triangle limit tooth 85. The thickness of the steel skin strip 83 is 0.3 mm-0.5 mm; the thickness of the cement plate is more than 5 times of the thickness of the steel sheet bar 83.
Preferably, the surface of the outer surface of the cement board 81, which is not covered by the steel strips 83, is provided with a galling scraping groove for increasing the adhesive force between the steel strips 83 and the concrete. The surface of the area of the cement board 81 not covered by the steel strip 83 is subjected to galling and groove scraping treatment, so that the adhesive force between the steel strip 83 and the concrete can be increased.
Preferably, the length and width specification of the steel composite shell cement board truss plate is 2400mm × 1200mm, and the length and width specification of the steel sheet strip 83 is 1200mm × 100 mm. Within the specification range of 2400mm × 1200mm, 5 or more than 5 steel sheet strips 83 with the specification of 1200mm × 100mm are uniformly distributed according to the structural and strength design requirements of the building component, so that the purposes of reducing the dead weight and reducing the waste of steel sheet materials are achieved.
Preferably, the total area of the hexagonal apertures 84 is 35% to 45% of the total area of the entire panel. More preferably, the opening ratio is 40%.
In addition, the cement board 81 may be replaced with a PVC board or a wood wool board as the actual need arises.
The process for manufacturing the steel composite shell cement board truss plate comprises the following steps that when the cement board is not condensed, all triangular side teeth 85 on the steel leather strip 83 are pressed downwards into the cement board, and the steel leather strip 83 is tightly compounded on the cement board through all the triangular side teeth 85. Taking a steel composite shell cement board truss plate with the specification of 2400mm multiplied by 1200mm as an example, placing a punched hexagonal steel leather strip 83 on the surface of the cement board in the shaping stage of the cement board; and then, the triangular side teeth 85 formed by punching and shearing the hexagonal holes 84 through the steel leather strips 83 are fully combined and wrapped with the cement board, and a composite structure is formed after maintenance is finished. Due to the clamping of the steel sheet strips 83, the steel sheet strips 83 have more scientific aperture ratio, practical steel sheet strips 83 are covered and distributed, and the anti-pulling strength of the steel sheet strips 83 is increased due to the honeycomb-shaped aperture arrangement mode of hexagonal apertures; the integral bending resistance and shearing resistance of the steel composite shell cement board truss plate are greatly enhanced, and the elastic modulus is larger; the whole thickness is thinner and the self weight is lighter.
The cement board in this structural form has the following advantages over the prior art: by means of the tight occlusion of the steel skin strip 83 and the plate main body, all parts of the steel skin strip 83 are stressed uniformly, the weak point of stress damage can not be generated, and the pulling resistance strength of the steel skin strip 83 is greatly increased; deformation caused by different elastic moduli of different materials is avoided; meanwhile, on the premise of ensuring the original structural effect, the self weight of the structure is reduced, the material waste is reduced, and the construction cost is saved.
The utility model discloses a compound shell cement board truss plate of steel has multiple application mode, if the on-the-spot installation of compound shell cement board truss plate of steel is accomplished the back, can be used as general floor and use to satisfy dry-type worker method floor design requirement. And pouring cement boards on the composite shell cement board components to form the floor slab with an integral structure according to the method of the common prefabricated cement board composite slab and the steel bar truss floor bearing plate.
In the above description, details, such as structures and processes, which are conventionally used in the prior art, are not repeated for brevity. Processing technique and parts which are not disclosed are processed according to the conventional technology in the prior art.
The invention is not limited to the embodiments disclosed and described above, but rather, modifications and variations of the invention are intended to fall within the scope of the appended claims.
Claims (5)
1. The utility model provides a compound shell cement board truss plate of steel, includes the cement board as the panel main part to and 5 or 5 above steel skin strips as the cement board and strengthen the composite sheet, characterized by: the steel leather strips are uniformly distributed on the outer surface of the cement board at intervals; the steel skin strip has a plurality of hexagonal holes according to honeycomb arrangement towards the punching press of one side outward, and the steel skin strip all is equipped with the triangle limit tooth of perpendicular steel skin strip one side inwards on the edge of hexagonal hole below one side inwards, and every limit in hexagonal hole corresponds a slice triangle limit tooth, and inside each triangle limit tooth all pushed down into the cement board, the steel skin strip closely compounded on the cement board through each triangle limit tooth.
2. The steel composite shell cement panel truss plate of claim 1 wherein: and a galling scraping groove for adding adhesive force between the steel sheet strips and the concrete is arranged on the surface of the area, which is not covered by the steel sheet strips, of the outer surface of the cement board.
3. A steel composite shell cement panel truss plate as claimed in claim 1 or 2 wherein: the length and width specification of the steel composite shell cement board truss board is 2400mm multiplied by 1200mm, and the length and width specification of the steel leather strip is 1200mm multiplied by 100 mm.
4. The steel composite shell cement panel truss plate of claim 3 wherein: the total area of the hexagonal holes accounts for 35% -45% of the total area of the whole plate.
5. The steel composite shell cement panel truss plate of claim 4 wherein: the total area of the hexagonal holes accounts for 40% of the total area of the whole plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122759326.0U CN216428719U (en) | 2021-11-11 | 2021-11-11 | Steel composite shell cement board truss plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122759326.0U CN216428719U (en) | 2021-11-11 | 2021-11-11 | Steel composite shell cement board truss plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216428719U true CN216428719U (en) | 2022-05-03 |
Family
ID=81336507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122759326.0U Active CN216428719U (en) | 2021-11-11 | 2021-11-11 | Steel composite shell cement board truss plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216428719U (en) |
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2021
- 2021-11-11 CN CN202122759326.0U patent/CN216428719U/en active Active
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