CN214302474U - Removable die block light steel truss building carrier plate - Google Patents
Removable die block light steel truss building carrier plate Download PDFInfo
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- CN214302474U CN214302474U CN202023056604.8U CN202023056604U CN214302474U CN 214302474 U CN214302474 U CN 214302474U CN 202023056604 U CN202023056604 U CN 202023056604U CN 214302474 U CN214302474 U CN 214302474U
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- light steel
- bottom die
- steel truss
- detachable bottom
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 178
- 239000010959 steel Substances 0.000 title claims abstract description 178
- 239000000463 material Substances 0.000 claims abstract description 16
- 238000003466 welding Methods 0.000 claims abstract description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 4
- 241001330002 Bambuseae Species 0.000 claims abstract description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 4
- 239000011425 bamboo Substances 0.000 claims abstract description 4
- 239000002131 composite material Substances 0.000 claims abstract description 4
- 239000011120 plywood Substances 0.000 claims abstract description 3
- 238000005452 bending Methods 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims 1
- 238000005070 sampling Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 16
- 238000010009 beating Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 229910001335 Galvanized steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000008397 galvanized steel Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
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Abstract
The utility model discloses a removable die block light steel truss building carrier plate specifically passes through the connecting piece by removable die block, light steel truss and connects formation. Wherein the detachable bottom die adopts finished boards such as bamboo plywood, aluminum alloy board, plastic composite board and the like; the light steel truss is formed by welding an upper chord steel pipe, a lower chord light steel and web member steel bars; the connecting piece consists of a nut, a bolt and a matched gasket and is reliably connected with the detachable bottom die and the lower chord light steel in a reverse beating mode from bottom to top. The utility model is suitable for a superstructure or roof in industry and civil buildings and the general structures in various antidetonation fortification intensity area, be suitable for the structural system and include concrete structure, steel construction and integrated configuration etc.. Compare with ordinary building carrier plate, the utility model discloses well light steel truss is connected conveniently with the die block, and upper chord compression stability is better, and the die block is demolishd conveniently, and the construction stage die block can assist light steel truss to bear the load, can more full play material strength, save material quantity.
Description
Technical Field
The utility model relates to a floor technical field especially relates to building carrier plate technique, specifically is a light steel truss building carrier plate of removable die block.
Background
The floor bearing plate technology has more application experience in the field of steel structures. A floor deck is a member that bears construction load during a construction stage and functions as a floor bottom form, and is generally formed by connecting a plurality of steel bar trusses and bottom forms. The core of the steel bar truss floor support plate technology is a bottom die form and a connection form of the steel bar truss and the bottom die.
The bottom die of the first generation floor support plate is made of a thin steel plate, and the steel bar truss is connected with the bottom die through resistance spot welding. The form is convenient for the truss to be connected with the bottom die, and the floor support plate has good integrity. The bottom die has two forms of non-dismantling and dismantling, generally, the bottom die can not be dismantled for buildings with suspended ceilings, and at the moment, the bottom die generally adopts a galvanized steel plate; when the bottom die is generally required to be dismantled for the building without the suspended ceiling, the bottom die can be made of non-galvanized steel plates. For most projects such as houses and the like, a suspended ceiling is not generally arranged, the bottom die needs to be detached at the moment, but the steel bottom die is inconvenient to detach, and after the steel bottom die is detached, the steel bars of the truss are exposed to form rusty spots, so that the steel bottom die is not easy to treat.
In order to solve the problem of dismantling the bottom die of the floor support plate, the detachable floor support plate is transported as required. At present, bottom moulds of detachable floor support plates generally adopt aluminum alloy plates, bamboo rubber plates, plastic composite plates and the like, and steel bar trusses are connected with the bottom moulds through special connecting pieces. The special connector generally consists of a fixing clamp and a screw.
The detachable floor support plate with wide application at present realizes the detachable bottom die, but still has the following problems from the aspects of mechanical property and material consumption:
1) the truss rods are all steel bars, so that the maximum unsupported span of the floor bearing plate is mostly controlled by instability of upper chord steel bars of the steel bar truss, and the strength of materials cannot be fully exerted.
2) The truss rod pieces are all steel bars, so that the lower chord steel bars of the steel bar truss are not conveniently and directly connected with the bottom die, and need to be connected through special connecting pieces such as special fixing clamping pieces, and the connecting pieces have high performance and manufacturing requirements and cannot be used universally.
3) Because the fixing clamping piece is adopted for connection, the bottom die and the lower chord steel bar of the steel bar truss can slide, so that the bottom die and the steel bar truss are difficult to cooperatively bear force, the steel bar truss is only considered during calculation, the material strength of the bottom die is not utilized, the specification of the steel bar truss is large, the distance is small, and the comprehensive material cost is high.
In order to solve the problem, the utility model provides a novel building carrier plate technique when realizing removable die block, improves its atress performance and economic nature.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a removable die block light steel truss building carrier plate, it is connected through the connecting piece by removable die block, light steel truss and forms. The utility model discloses a light steel truss, truss upper chord stability is good, and the lower chord is connected conveniently with the die block, and the connecting piece can adopt general standard component, and the die block is demolishd conveniently, still can realize die block and truss atress in coordination in addition, more full play material strength, save material quantity.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a detachable bottom die light steel truss floor support plate, which is characterized by comprising a detachable bottom die and a plurality of light steel trusses positioned on the detachable bottom die, wherein each light steel truss is connected with the detachable bottom die through a plurality of connecting pieces; each light steel truss is respectively formed by welding an upper chord steel pipe, two web member steel bars and two lower chord light steel; the end parts of the light steel trusses are respectively provided with a support transverse rib and a support vertical rib; and each connecting piece is reliably connected with the detachable bottom die and the light steel truss in a reverse beating mode.
Furthermore, each connecting piece comprises a nut, a bolt and a matched gasket; the detachable bottom die is characterized in that a nut is fixed on the lower portion of the lower chord light steel of the light steel truss in advance, a through hole is drilled in the detachable bottom die at the joint of the detachable bottom die and the lower chord light steel, the matched gaskets are respectively arranged on the upper surface and the lower surface of the through hole, and a bolt penetrates through the detachable bottom die from bottom to top through the through hole and is screwed into the nut.
The utility model provides a removable die block light steel truss building carrier plate is applicable to the superstructure or the roof in industry and civil buildings and the general structures in various antidetonation fortification intensity area, is suitable for the structural system and includes concrete structure, steel construction and integrated configuration etc.. Compared with the common floor support plate, the utility model has the advantages of as follows:
1) the upper chord of the light steel truss is made of steel pipes, so that the problem that the span of the traditional floor bearing plate is controlled by instability of the upper chord steel bar of the steel bar truss is solved, and the strength advantage of the material can be better exerted.
2) The lower chord of the light steel truss is made of light steel and is convenient to connect with the bottom die, and the connecting piece is made of a universal standard piece, so that the bottom die is convenient to dismantle after construction.
3) In the construction stage, the bottom die can assist the light steel truss to bear the construction load together, and the material consumption is reduced.
Drawings
Fig. 1 is a three-dimensional schematic view of a removable die block light steel truss floor deck of the embodiment of the present invention.
Fig. 2 (a) and (b) are schematic structural diagrams of a plane and a longitudinal section of a detachable bottom die light steel truss floor deck according to an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional structural view of a light steel truss floor deck with a detachable bottom mold according to an embodiment of the present invention.
Fig. 4 (a), (b), and (c) are schematic structural diagrams of a detachable bottom die light steel truss floor deck adopting three different forms of bottom chord light steel according to an embodiment of the present invention.
Fig. 5 is a schematic view of a detailed structure of a connecting member of a removable bottom die light steel truss floor deck according to an embodiment of the present invention.
Fig. 6 is a schematic view of a structure of a transverse support rib and a vertical support rib of a light steel truss floor support plate with a detachable bottom mold.
Fig. 7 is a schematic view of a light steel truss concrete slab formed by a light steel truss floor deck with a detachable bottom form according to an embodiment of the present invention.
Fig. 8 is a schematic view of a connection structure between a removable bottom die light steel truss floor support plate and a steel beam support according to an embodiment of the present invention.
Fig. 9 is a schematic view of a connection structure between a removable bottom die light steel truss floor support plate and a concrete beam or a wall support according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
In order to understand the utility model discloses, following elaboration the utility model provides an application example of removable die block light steel truss building carrier plate.
Referring to fig. 1 and 2, the detachable bottom die light steel truss floor deck according to the embodiment of the present invention includes a detachable bottom die 1 and a plurality of light steel trusses 2 located on the detachable bottom die 1, and each light steel truss 2 is connected to the detachable bottom die 1 through a connecting member 3. The end parts of the light steel trusses 2 are respectively provided with a support transverse rib 4 and a support vertical rib 5 which are used for supporting the support. The width B of the detachable bottom die 1 is 600-2400 mm, and the length L is determined according to the room size and stress calculation. The distance between the light steel trusses is 300-600 mm.
The following describes specific implementations of the components in the present embodiment, respectively:
the detachable bottom die 1 can be made of finished plates such as aluminum alloy plates, bamboo plywood and plastic composite plates, and the thickness of the detachable bottom die 1 is 10-20 mm. Removable die block 1 bears construction load with light steel truss 2 jointly as the floor die block at the construction stage, accomplishes and intensity satisfies the designing requirement at concrete placement after, demolishs removable die block 1 through dismantling connecting piece 3.
Referring to fig. 3, the light steel trusses 2 have the same structure and are respectively formed by welding an upper chord steel pipe 21, two web member steel bars 22 and two lower chord light steel 23, the width b of each light steel truss 2 is 100-200 mm, the height h of each light steel truss 2 is 80-200 mm, the upper chord steel pipe 21 generally adopts a light round steel pipe, the diameter of each light round steel pipe is 25-50 mm, and the wall thickness of each light steel truss is 2-4 mm; the web member steel bars 22 are wave-shaped and generally formed by continuously bending one steel bar, and the pitch distance c is 150-250 mm (see (b) of fig. 2); the lower chord light steel 23 can adopt L-shaped, C-shaped or rectangular light steel, which is respectively shown in (a), (b) and (C) of figure 4, the cross section height of the lower chord light steel 23 is generally 25mm, the cross section width is 25-50 mm, and the wall thickness is 2-4 mm. In addition, the upper chord steel pipe 21, the web member steel bars 22 and the lower chord light steel 23 form a space truss together with the detachable bottom die 1 through the connecting piece 3.
The lower chord light steel 23 of each light steel truss 2 is connected with the detachable bottom die 1 through the connecting piece 3, and the connecting piece 3 is fixed in a reverse beating mode for convenient installation and disassembly. Referring to fig. 5, each connecting member 3 has the same structure and respectively includes a nut 31, a bolt 32 and matching gaskets 33 and 34, wherein the nut 31 is welded to the lower portion of the lower chord light steel 23 of the light steel truss 2 in advance, when the light steel truss 2 is connected with the detachable bottom die 1, a hole is drilled in the detachable bottom die 1 at the connection position, the gaskets 33 and 34 are respectively arranged on the upper surface and the lower surface of the detachable bottom die 1, and then the bolt 32 penetrates through the detachable bottom die 1 from bottom to top and is screwed into the nut 31. When the construction is completed, the detachable bottom die 1 is detached, firstly the bolt 32 and the gasket 34 on the lower surface of the detachable bottom die 1 are detached, then the gasket 33 on the upper surface of the detachable bottom die 1 and the gasket 33 on the upper surface of the detachable bottom die are detached, and finally the groove formed by the gasket 33 at the joint and the hole formed by the nut 31 are filled and leveled by adopting materials such as polymer mortar.
Referring to fig. 6, the end of the light steel truss 2 is provided with a support transverse rib 4 and a support vertical rib 5 for supporting the support, wherein the support transverse rib 4 is welded to the lower sides of two lower chord light steels 23, the upper end of the support vertical rib 5 is welded to the bottom surface of an upper chord steel pipe 21, and the lower end side surface of the support vertical rib 5 is welded to the side surface of the support transverse rib 4. The diameter of the horizontal rib 4 of support and the vertical rib 5 of support is 12 ~ 16 mm.
Referring to fig. 7, during construction, a plurality of detachable bottom die light steel truss floor bearing plates are spliced together, a splice 8 is formed between two adjacent detachable bottom die light steel truss floor bearing plates, then lower transverse steel bars 61 and lower longitudinal steel bars 62 are laid at the lower chord light steel 23, wherein the lower transverse steel bars 61 are perpendicular to the light steel trusses 2 and are arranged at the lower sides of the lower chord light steel 23, and the lower longitudinal steel bars 62 are parallel to the light steel trusses 2 and are arranged at the upper sides of the lower transverse steel bars 61; and then laying an upper transverse steel bar 63 and an upper longitudinal steel bar 64 at the upper chord steel pipe 21, wherein the upper transverse steel bar 63 is perpendicular to the light steel truss 2 and is arranged on the upper side of the upper chord steel pipe 21, and the upper longitudinal steel bar 64 is parallel to the light steel truss 2 and is arranged on the lower side of the upper transverse steel bar 63. The number of the upper and lower transverse steel bars and the number of the upper and lower longitudinal steel bars should meet the stress calculation and construction requirements of the floor slab in the use stage. And after the steel bars are laid, concrete 7 is poured, and after the detachable bottom die 1 is detached, the light steel truss 2, the steel bars laid on site and the concrete form a light steel truss concrete slab together. The thickness of the concrete slab is generally 50mm plus the height of the light steel truss.
Referring to fig. 8 and 9, when the detachable bottom die light steel truss floor support plate is used for a steel structure or a combined structure, the support is generally a steel beam 10, and the bottom of the support vertical rib 5 is welded and fixed on the top surface of the steel beam 10 during installation; when the support is used for a concrete structure, the support is generally a concrete beam or wall 11, support angle steel 12 is arranged on the top side of the concrete beam or wall 10 in advance, the support angle steel 12 is fixed on the concrete beam or wall 10 through a fixing piece 15, the fixing piece 15 can adopt an anchor bolt, a screw rod and the like, and the support vertical rib 5 is welded and fixed on the top surface of the support angle steel 12 during installation. After installation, the support additional upper rib 13 and the support additional lower rib 14 are arranged at the support, the reinforcing steel bars at the other parts are bound at the same time, and concrete is poured to complete floor slab construction.
The utility model provides a removable die block light steel truss building carrier plate is applicable to the superstructure or the roof in industry and civil buildings and the general structures in various antidetonation fortification intensity area, is suitable for the structural system and includes concrete structure, steel construction and integrated configuration etc.. Compare with ordinary building carrier plate, the utility model discloses well light steel truss is connected conveniently with the die block, and upper chord compression stability is better, and the die block is demolishd conveniently, and the construction stage die block can assist light steel truss to bear the load, can more full play material strength, save material quantity.
In the description herein and in the drawings, the products and methods of the present invention are described in terms of particular shapes, materials, or process sequences, and specific parameters are provided for illustrative purposes with respect to specific embodiments. It should be understood, however, that the detailed description is not intended to limit the invention; that is, modifications and variations to the shapes, materials, or process sequences are still included within the spirit and scope of the invention.
Claims (9)
1. The detachable bottom die light steel truss floor support plate is characterized by comprising a detachable bottom die (1) and a plurality of light steel trusses (2) positioned on the detachable bottom die (1), wherein each light steel truss (2) is connected with the detachable bottom die (1) through a plurality of connecting pieces (3); each light steel truss (2) is respectively formed by welding an upper chord steel pipe (21), two web member steel bars (22) and two lower chord light steel bars (23); the end parts of the light steel trusses (2) are respectively provided with a support transverse rib (4) and a support vertical rib (5); each connecting piece (3) is reliably connected with the detachable bottom die (1) and the light steel truss (2) in a sampling and reverse hitting mode.
2. The detachable bottom die light steel truss floor deck according to claim 1, wherein the detachable bottom die (1) can be made of a finished plate material including an aluminum alloy plate, a bamboo plywood or a plastic composite plate.
3. The detachable bottom die light steel truss floor deck according to claim 1, wherein each connecting member (3) comprises a nut (31), a bolt (32) and a matching gasket; the detachable bottom die structure is characterized in that a nut (31) is fixed on the lower portion of a lower chord light steel (23) of the light steel truss (2) in advance, a through hole is drilled in the joint of the detachable bottom die (1) and the lower chord light steel (23), matched gaskets are arranged on the upper surface and the lower surface of the through hole respectively, and a bolt (32) penetrates through the detachable bottom die (1) from bottom to top through the through hole and is screwed into the nut (31).
4. The removable bottom die light steel truss floor deck according to claim 1, wherein after the concrete is installed and poured on site, the removable bottom die (1) is removed by sequentially removing the bolt (32), the gasket at the lower surface of the removable bottom die and the gasket at the upper surface of the removable bottom die, and the groove formed at the gasket at the upper surface of the removable bottom die and the hole formed at the nut (31) are filled with the filler after the removal.
5. The detachable bottom die light steel truss floor deck according to claim 1, wherein the upper chord steel pipe (21) is a light round steel pipe, the diameter of the light round steel pipe is 25-50 mm, and the wall thickness of the light steel truss floor deck is 2-4 mm; the web member steel bars (22) are wavy and are formed by continuously bending one steel bar, and the pitch distance is 150-250 mm; the lower chord light steel (23) is L-shaped, C-shaped or rectangular light steel, the height of the lower chord light steel (23) is 25mm, the width of the lower chord light steel is 25-50 mm, and the wall thickness of the lower chord light steel is 2-4 mm.
6. The detachable bottom die light steel truss floor deck according to claim 1, wherein the support transverse ribs (4) are welded to the lower sides of two lower chord light steel (23) of the light steel truss (2), the upper ends of the support vertical ribs (5) are welded to the bottom surface of an upper chord steel pipe (21) of the light steel truss (2), and the lower end side surfaces of the support vertical ribs (5) are welded to the side surfaces of the support transverse ribs (4).
7. The detachable bottom die light steel truss floor deck according to claim 1, wherein the thickness of the detachable bottom die (1) is 10-20 mm, and the width of the detachable bottom die is 600-2400 mm.
8. The detachable bottom die light steel truss floor deck according to claim 1, wherein the light steel trusses (2) have a width of 100 to 200mm, a height of 80 to 200mm, and a pitch of 300 to 600 mm.
9. The detachable bottom die light steel truss floor deck according to claim 1, wherein the diameter of the support transverse ribs (4) and the support vertical ribs (5) is 12-16 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023056604.8U CN214302474U (en) | 2020-12-16 | 2020-12-16 | Removable die block light steel truss building carrier plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023056604.8U CN214302474U (en) | 2020-12-16 | 2020-12-16 | Removable die block light steel truss building carrier plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214302474U true CN214302474U (en) | 2021-09-28 |
Family
ID=77858323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023056604.8U Active CN214302474U (en) | 2020-12-16 | 2020-12-16 | Removable die block light steel truss building carrier plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214302474U (en) |
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2020
- 2020-12-16 CN CN202023056604.8U patent/CN214302474U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100013, No. 30 East Third Ring Road, Chaoyang District, Beijing Patentee after: CHINA ACADEMY OF BUILDING RESEARCH Ltd. Patentee after: China Construction Research Technology Co.,Ltd. Address before: 100013, No. 30 East Third Ring Road, Chaoyang District, Beijing Patentee before: CHINA ACADEMY OF BUILDING RESEARCH Ltd. Patentee before: Jianyan Technology Co., Ltd |
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| CP01 | Change in the name or title of a patent holder |