CN217299956U - Hollow floor supporting mechanism - Google Patents
Hollow floor supporting mechanism Download PDFInfo
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- CN217299956U CN217299956U CN202220064856.5U CN202220064856U CN217299956U CN 217299956 U CN217299956 U CN 217299956U CN 202220064856 U CN202220064856 U CN 202220064856U CN 217299956 U CN217299956 U CN 217299956U
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- hollow floor
- girder steel
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Abstract
The utility model discloses mainly be applied to hollow floor and support technical field, in particular to hollow floor bearing mechanism, remain the part including the bearing wall, the bearing steel column, the bearing girder steel, connecting plate and splice bar, the bearing wall remains the part including transversely keeping part and vertical retention part, bearing steel column vertical arrangement remains the part outside in the vertical, the bearing girder steel transversely arranges transversely and transversely remains the part outside, the bearing girder steel both ends are supported respectively to the bearing steel column, set up the connecting plate between bearing steel column top and the bearing girder steel, the splice bar is arranged in bearing girder steel bottom, splice bar horizontal direction perpendicular to bearing girder steel arranges. The utility model discloses simple structure, load transfer path is clear and definite, replaces the bearing wall of original building for post beam structure, increases inside usage space, and the construction is convenient, safe and reliable, and economy practices thrift, accords with energy-efficient and green construction requirement.
Description
Technical Field
The utility model relates to a hollow floor bearing mechanism mainly is applied to hollow floor and supports technical field.
Background
When hollow floor slabs were once popular, a large number of construction projects adopt hollow floor slab structures. With the social progress and the improvement of the living standard of people, the using functions of a large number of hollow floor structures can not meet the current requirements. The cost of reconstruction after the house is dismantled is too high, the environment damage can not be repaired, the house reconstruction mode is often adopted for function conversion, and the dismantling and reconstruction of the bearing wall at the bottom of the hollow floor slab structure can be carried out on the first place.
The conventional technology has the following two modes: firstly, after the hollow floor slab is unloaded by adopting the steel pipe support, the bearing wall body is dismantled. The method has high construction cost and long construction period, and the support can seriously damage the existing floor. Secondly, after the bearing wall is partially dismantled, concrete columns and beams are poured at the end part and the top part, but the method has larger disturbance to the bearing wall, the wall can be dismantled after the concrete strength meets the requirement, the time period is too long, and the environment is polluted.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the hollow floor slab supporting mechanism is safe, reliable, convenient and fast to construct, energy-saving and environment-friendly, and saves cost.
Hollow floor bearing mechanism, remain part, bearing steel column, bearing girder steel, connecting plate and connecting bar including the bearing wall, the bearing wall remains the part including transversely keeping part and vertical part of remaining, bearing steel column vertical layout is in the vertical part outside that remains, bearing girder steel horizontal layout transversely remains the part outside, the bearing steel column supports bearing girder steel both ends respectively, set up the connecting plate between bearing steel column top and the bearing girder steel, the connecting bar is arranged in bearing girder steel bottom, the connecting bar horizontal direction perpendicular to bearing girder steel is arranged.
Bearing girder steel top set up the sealed layer of packing, the sealed layer of packing sets up to the dry cement mortar layer. And gaps between the steel beams and the hollow floor slabs are supported, and the hollow floor slabs are prevented from deforming and cracking by adopting dry and hard cement mortar for filling.
The bearing steel beam and the connecting plate and the bearing steel column and the connecting plate are fixedly connected through welding.
The thickness of the connecting plate is 10 mm-20 mm, and the length and the width of the connecting plate extend outwards 50 mm-100 mm compared with each side of the bearing steel column.
The bearing steel beams are a pair of I-shaped steels and are symmetrically arranged on two sides of the transverse reserved portion, the bearing steel columns are two pairs of I-shaped steels, and each pair of I-shaped steels are symmetrically arranged on two sides of the vertical reserved portion. When the length of the bearing steel beam is not enough, the length is lengthened by welding, and the welding quality meets the requirement of a secondary welding seam.
The even welding of connecting reinforcement in bearing girder steel bottom, the interval between two adjacent connecting reinforcement is 400mm ~ 600 mm. Ensure the overall stability of bearing girder steel, stop the bearing wall and remain partial material and fall.
And a modified epoxy resin anticorrosive layer is arranged on the outer side of the full length of the bearing steel beam. The durability of the structure is ensured.
After the bearing steel column, the bearing steel beam, the connecting plate, the connecting steel bars and the dry and hard cement mortar are completely constructed, the part of the bearing wall to be dismantled can be symmetrically dismantled from the middle to two ends.
The beneficial effects of the utility model are that:
simple structure, load transfer path is clear and definite, replaces the bearing wall of original building for column beam structure, increases inside usage space, and the construction is convenient, safe and reliable, and economy practices thrift, accords with energy-efficient and green construction requirement. Fully reduce the disturbance of bearing girder steel construction to the existing structure in upper portion, reduce the crack production of building (room) panel, avoid destroying seriously current floor. Concrete columns and beams do not need to be poured, the construction period is short, the construction is safe and convenient, the construction cost is low, and the anti-seismic performance is good.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a side view of the structure of fig. 1.
Fig. 3 is a schematic top view of the structure of fig. 1.
In the figure: 1. a hollow floor slab; 2. a layer of dry hard cement mortar; 3. a vertical retention portion; 4. connecting reinforcing steel bars; 5. supporting a steel column; 6. a connecting plate; 7. supporting a steel beam; 8. a portion of the load-bearing wall to be dismantled; 9. the lateral retention portion.
Detailed Description
The invention will be further described with reference to the accompanying drawings:
as shown in fig. 1 ~ 3, hollow floor bearing mechanism, remain the part including the bearing wall, bearing steel column 5, bearing girder steel 7, connecting plate 6 and connecting reinforcement 4, the bearing wall remains the part including transversely keeping part 9 and the vertical part 3 that remains, 5 vertical arrangements of bearing steel column remain the 3 outsides of part in the vertical, 7 horizontal arrangements of bearing girder steel are in transversely keeping the 9 outsides of part, bearing steel column 5 supports 7 both ends of bearing girder steel respectively, set up connecting plate 6 between 5 tops of bearing steel column and the bearing girder steel 7, connecting reinforcement 4 arranges in 7 bottoms of bearing girder steel, 4 horizontal direction perpendicular to bearing girder steel 7 of connecting reinforcement are arranged. Bearing girder steel 7 top sets up the sealed layer of packing, and the sealed layer of packing sets up to dry cement mortar layer 2. And a gap between the steel beam 7 and the hollow floor slab 1 is supported, and dry and hard cement mortar is adopted for filling, so that the hollow floor slab 1 is prevented from deforming and cracking. All through welded fastening connection between bearing girder steel 7 and the connecting plate 6, between bearing steel column 5 and the connecting plate 6, it is firm to need the welding, guarantees that the support is reliable and stable. The thickness of the connecting plate 6 is 10 mm-20 mm, and the length and width of the connecting plate are 50 mm-100 mm more than that of each side of the supporting steel column 5 which extends outwards. The bearing steel beams 7 are a pair of I-shaped steels and are symmetrically arranged on two sides of the transverse reserved portion 9, the bearing steel columns 5 are two pairs of I-shaped steels, and each pair of I-shaped steels is symmetrically arranged on two sides of the vertical reserved portion 3. When the length of the bearing steel beam 7 is not enough, the welding lengthening is adopted, and the welding quality meets the requirement of a secondary welding seam. The connecting reinforcing bars 4 are evenly welded at the bottom of the bearing steel beam 7, and the distance between every two adjacent connecting reinforcing bars 4 is 400-600 mm. The integral stability of the bearing steel beam 7 is ensured, and the falling of the remaining part of materials of the bearing wall is avoided. And a modified epoxy resin anticorrosive layer is arranged on the outer side of the whole length of the bearing steel beam 7. The durability of the structure is ensured.
Before construction, determining the sizes of a bearing steel column 5 and a bearing steel beam 7 according to the clear height of a floor, the size of a room, and the depth; and the connecting plate 6 is welded to the top of the bearing steel column 5 in advance, so that the overhead welding operation is reduced.
During construction, the positions of two pairs of supporting steel columns 5 are determined and firmly installed through paying-off positioning; and respectively welding and fixing a pair of bearing steel beams 7 on the connecting plates 6 on the tops of the installed bearing steel columns 5.
After the bearing steel column 5, the bearing steel beam 7, the connecting plate 6, the connecting steel bar 4 and the dry and hard cement mortar layer 2 are completely constructed, the part 8 of the bearing wall to be dismantled can be symmetrically dismantled from the middle to two ends. And supporting a gap between the steel beam 7 and the hollow floor slab 1, and filling the gap with a dry hard cement mortar layer 2. The connecting steel bars 4 are uniformly welded at the bottom of the bearing steel beam 7, and the distance between every two adjacent connecting steel bars 4 is 400-600 mm. And when the dry cement mortar layer 2 meets the strength requirement, the part 8 to be dismantled of the bearing wall can be dismantled.
Claims (7)
1. The utility model provides a hollow floor supporting mechanism which characterized in that: remain the part including the bearing wall, bearing steel column (5), bearing girder steel (7), connecting plate (6) and connecting reinforcement (4), the bearing wall remains the part and includes transversely to remain part (9) and vertical part (3) that remain, bearing steel column (5) vertical arrangement is in the vertical part (3) outside that remains, bearing girder steel (7) horizontal arrangement is in transversely remaining part (9) outside, bearing steel column (5) support bearing girder steel (7) both ends respectively, set up connecting plate (6) between bearing steel column (5) top and bearing girder steel (7), connecting reinforcement (4) are arranged in bearing girder steel (7) bottom, connecting reinforcement (4) horizontal direction perpendicular to bearing girder steel (7) are arranged.
2. The hollow floor support mechanism of claim 1 wherein: bearing girder steel (7) top sets up the sealed layer of packing, and the sealed layer of packing sets up to dry hard cement mortar layer (2).
3. The hollow floor support mechanism of claim 1 wherein: the bearing steel beam (7) and the connecting plate (6) and the bearing steel column (5) and the connecting plate (6) are fixedly connected by welding.
4. The hollow floor support mechanism of claim 1 wherein: the thickness of the connecting plate (6) is 10 mm-20 mm, and the length and width of the connecting plate are 50 mm-100 mm more than those of each side of the supporting steel column (5).
5. The hollow floor support mechanism of claim 1 wherein: the bearing steel beams (7) are a pair of I-shaped steels and are symmetrically arranged on two sides of the transverse reserved portion (9), the bearing steel columns (5) are two pairs of I-shaped steels, and each pair of I-shaped steels are symmetrically arranged on two sides of the vertical reserved portion (3).
6. The hollow floor support mechanism of claim 1 wherein: the connecting reinforcing steel bars (4) are uniformly welded at the bottom of the bearing steel beam (7), and the distance between every two adjacent connecting reinforcing steel bars (4) is 400-600 mm.
7. The hollow floor support mechanism of claim 1 wherein: the outer side of the full length of the bearing steel beam (7) is provided with a modified epoxy resin anticorrosive coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220064856.5U CN217299956U (en) | 2022-01-11 | 2022-01-11 | Hollow floor supporting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220064856.5U CN217299956U (en) | 2022-01-11 | 2022-01-11 | Hollow floor supporting mechanism |
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| Publication Number | Publication Date |
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| CN217299956U true CN217299956U (en) | 2022-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220064856.5U Active CN217299956U (en) | 2022-01-11 | 2022-01-11 | Hollow floor supporting mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117071913A (en) * | 2023-07-27 | 2023-11-17 | 山东金城建设有限公司 | Steel construction cantilever steel bar truss building carrier plate hanging die construction device |
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2022
- 2022-01-11 CN CN202220064856.5U patent/CN217299956U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117071913A (en) * | 2023-07-27 | 2023-11-17 | 山东金城建设有限公司 | Steel construction cantilever steel bar truss building carrier plate hanging die construction device |
| CN117071913B (en) * | 2023-07-27 | 2024-03-19 | 山东金城建设有限公司 | Steel construction cantilever steel bar truss building carrier plate hanging die construction device |
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