A connected node structure for with floor externally-hung wallboard
Technical Field
The utility model relates to a connected node structure for with floor externally-hung wallboard belongs to building engineering technical field.
Background
The existing external wall-hung plate is separated from a floor slab, interlayer fireproof sealing is required to be arranged, the structure is complex, the produced sealing is difficult to process, and the waterproof, fireproof and sound insulation performance of a building is affected.
The existing external wall panel connecting piece has large volume, complex structure and unreasonable stress; and the connecting piece exposes indoor floor, needs the outsourcing to handle, has both influenced indoor floor aesthetic property, has still increased the construction degree of difficulty and construction cost.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a connected node structure for with floor externally-hung wallboard, this project organization is simple ingenious, and prefabricated production, simple to operate and firm has improved waterproof, fire prevention and the sound insulation performance of building, has reduced the construction degree of difficulty and construction cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a connecting node structure for external wall boards on the same floor is characterized in that a prefabricated composite floor slab is arranged at the upper end of a steel beam, steel bars are arranged in the prefabricated composite floor slab, and a transverse external wall board is arranged on the outer side of the steel beam; the shear key comprises a horizontal adjusting connecting piece, a limiting key assembly and a shear key; the steel beam comprises an upper flange and a lower flange, and the upper flange is in contact with the support floor slab; the upper flange and the lower flange of the steel beam are both provided with horizontal adjusting connecting pieces, each horizontal adjusting connecting piece comprises a first angle steel and an adjusting bolt, one end of each angle steel is fixed with the flange, the other end of each angle steel is provided with a strip-shaped hole, one end of each adjusting bolt is fixed with a pre-embedded sleeve, the pre-embedded sleeves are pre-embedded and installed in the externally-hung wallboard, and the other end of each adjusting bolt is matched and installed with the strip-shaped holes of the first angle steel, so that the horizontally-adjusting; the upper flange and the lower flange of the steel beam are both provided with a limiting key assembly, the limiting key assembly comprises a limiting steel bar and a second angle steel, the limiting steel bar is prefabricated and welded on the flange, one end of the second angle steel is installed in the outer hanging wallboard in a pre-buried mode, the other end of the second angle steel is provided with an opening, and the second angle steel is installed by being sleeved into the limiting steel bar through the opening; the shear key is arranged on the upper flange of the steel beam and comprises a third angle steel, a plurality of first embedded anchor bars are uniformly welded and fixed at one end of the third angle steel, the first embedded anchor bars are embedded and installed in the externally hung wallboard, the other end of the third angle steel is arranged on the upper flange, and the third angle steel realizes vertical fixed support for the externally hung wallboard through the first embedded anchor bars; cast-in-place floor slabs are poured on the steel beam top flanges and the prefabricated composite floor slabs, and the other ends of the three ends of the angle steel are fixed.
The limiting key assembly further comprises a second embedded anchor bar, one end of the second embedded anchor bar is installed in the outer wall hanging plate in a pre-embedded mode, and the other end of the second embedded anchor bar is bound with the steel bars in the prefabricated composite floor slab.
And a gasket is arranged between the opening of the second angle steel and the steel beam and is used for realizing vertical adjustment and installation of the external wall board.
And a plurality of shear connectors are uniformly distributed on the upper flange of the steel beam.
At least four horizontal adjusting connecting pieces are arranged between each external wall-hanging plate and the steel beam, wherein one half of the horizontal adjusting connecting pieces are installed with the upper flange of the steel beam, and the other half of the horizontal adjusting connecting pieces are installed with the lower flange of the steel beam.
At least four limiting key assemblies are arranged between each external wall-hanging plate and the steel beam, wherein one half of the limiting key assemblies are installed on the upper flange of the steel beam, and the other half of the limiting key assemblies are installed on the lower flange of the steel beam.
And reinforcing ribs are arranged in the angle steel II of the limiting key assembly.
And the embedded anchor bars I and the embedded anchor bars II are processed into napped surfaces.
The utility model discloses following beneficial effect has:
a connecting node structure for external wall boards on the same floor is characterized in that a prefabricated composite floor slab is arranged at the upper end of a steel beam, steel bars are arranged in the prefabricated composite floor slab, and a transverse external wall board is arranged on the outer side of the steel beam; the structure comprises a horizontal adjusting connecting piece, a limiting key assembly and a shear key; the steel beam comprises an upper flange and a lower flange, and the upper flange is in contact with the support floor slab; the upper flange and the lower flange of the steel beam are both provided with horizontal adjusting connecting pieces, each horizontal adjusting connecting piece comprises a first angle steel and an adjusting bolt, one end of each angle steel is fixed with the flange, the other end of each angle steel is provided with a strip-shaped hole, one end of each adjusting bolt is fixed with a pre-embedded sleeve, the pre-embedded sleeves are pre-embedded and installed in the externally-hung wallboard, and the other end of each adjusting bolt is matched and installed with the strip-shaped holes of the first angle steel, so that the horizontally-adjusting; the limiting key assemblies are arranged on the upper flange and the lower flange of the steel beam and comprise a limiting steel bar and a second angle steel, the limiting steel bar is prefabricated and welded on the flange, one end of the second angle steel is installed in the external hanging wallboard in a pre-buried mode, the other end of the second angle steel is provided with an opening, the second angle steel is installed by being sleeved in the limiting steel bar through the opening in a sleeved mode, vertical temporary fixed support of the external hanging wallboard is achieved, and accidents caused by subsequent floor slab pouring can be effectively prevented; the shear key is arranged on the upper flange of the steel beam and comprises a third angle steel, a plurality of first embedded anchor bars are uniformly welded and fixed at one end of the third angle steel, the first embedded anchor bars are embedded and installed in the externally-hung wallboard, the other end of the third angle steel is arranged on the upper flange, and the third angle steel is fixedly supported on the externally-hung wallboard through the first embedded anchor bars; after the installation position of the externally-hung wallboard is adjusted, a cast-in-place floor slab is poured on the steel beam top flange and the prefabricated composite floor slab, the other ends of the three ends of the angle steel are fixed, the vertical stable support of the externally-hung wallboard is realized through the embedded anchor bars by the shear keys, the design structure is simple and ingenious, the prefabricated production is realized, the installation is convenient and stable, the waterproof, fireproof and sound insulation performance of a building is improved, and the construction difficulty and the construction cost are reduced.
Drawings
Fig. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a perspective view of the horizontal adjustment connector of the present invention;
fig. 3 is a schematic cross-sectional view of the present invention;
fig. 4 is a perspective view of the limit key assembly of the present invention;
fig. 5 is a schematic cross-sectional view of the present invention;
fig. 6 is a perspective view of the shear key of the present invention;
fig. 7 is an installation schematic view of the external wall panel of the present invention.
Reference numbers in the figures: 1. a steel beam; 11. an upper flange; 12. a lower flange; 2. prefabricating a composite floor slab; 3. reinforcing steel bars; 4. an exterior wallboard; 5. a horizontal adjustment connection; 51. angle steel I; 52. adjusting the bolt; 53. a strip-shaped hole; 54. pre-burying a sleeve; 6. a limit key assembly; 61. limiting a steel bar; 62. angle steel II; 63. an opening; 64. embedding anchor bars II; 65. reinforcing ribs; 7. a shear key; 71. angle steel III; 72. embedding anchor bars I; 8. casting a floor slab in situ; 9. and (7) a gasket.
Detailed Description
As shown in fig. 1, 2, 3, 4, 5, 6 and 7, a connection node structure for the same-floor external wall panels is characterized in that a prefabricated composite floor slab 2 is arranged at the upper end of a steel beam 1, reinforcing steel bars 3 are arranged in the prefabricated composite floor slab 2, and a transverse external wall panel 4 is arranged on the outer side of the steel beam 1; the structure comprises a horizontal adjusting connecting piece 5, a limiting key assembly 6 and a shear key 7; the steel beam 1 comprises an upper flange 11 and a lower flange 12, and the upper flange 11 is in contact with a support floor slab; the horizontal adjusting connecting piece 5 is arranged on the upper flange 11 and the lower flange 12 of the steel beam 1, the horizontal adjusting connecting piece 5 comprises a first angle steel 51 and an adjusting bolt 52, one end of the first angle steel 51 is fixed with the flange, the other end of the first angle steel 51 is provided with a strip-shaped hole 53, one end of the adjusting bolt 52 is fixed with an embedded sleeve 54, the embedded sleeve 54 is embedded and installed in the external wall panel 4, and the other end of the adjusting bolt 52 is installed in a matched mode with the strip-shaped hole 53 of the first angle steel 51, so that the horizontal adjusting installation of the external; the limiting key assembly 6 is arranged on the upper flange 11 and the lower flange 12 of the steel beam 1, the limiting key assembly 6 comprises a limiting steel bar 61 and a second angle steel 62, the limiting steel bar 61 is prefabricated and welded on the flange, one end of the second angle steel 62 is installed in the external wall-hung plate 4 in a pre-buried mode, the other end of the second angle steel 62 is provided with an opening 63, the second angle steel 62 is installed by being sleeved in the limiting steel bar 61 through the opening 63 in a sleeved mode, vertical temporary fixed support of the external wall-hung plate 4 is achieved, and accidents caused by subsequent floor slab pouring can be; the shear key 7 is arranged on the upper flange 11 of the steel beam 1, the shear key 7 comprises a third angle steel 71, one end of the third angle steel 71 is uniformly welded and fixed with a plurality of first embedded anchor bars 72, the first embedded anchor bars 72 are embedded and installed in the externally hung wall board 4, the other end of the third angle steel 71 is arranged on the upper flange 11, and the third angle steel 71 is fixedly supported on the externally hung wall board 4 through the first embedded anchor bars 72; after the installation position of the externally-hung wallboard 4 is adjusted, the cast-in-place floor 8 is poured on the upper flange 11 of the steel beam 1 and the prefabricated composite floor 2, the other end of the third 71 of the angle steel is fixed, the shear key 7 is vertically stably supported on the externally-hung wallboard 4 through the embedded anchor bars 72, the design structure is simple and ingenious, prefabricated production is achieved, the installation is convenient and stable, the waterproof, fireproof and sound insulation performance of a building is improved, and the construction difficulty and the construction cost are reduced.
The limiting key assembly 6 further comprises a second embedded anchor bar 64, one end of the second embedded anchor bar 64 is embedded and installed in the external wall panel 4, the other end of the second embedded anchor bar 64 is bound with the steel bars 3 in the prefabricated composite floor slab 2, the floor slab is further reinforced through the cast-in-place floor slab 8, the floor slab is tightly connected with the external wall panel 4 through the second embedded anchor bar 64, and cracks are effectively reduced.
A gasket 9 is arranged between the opening 63 of the second angle steel 62 and the steel beam 1, and the gasket 9 is used for realizing vertical adjustment and installation of the external wallboard 4.
The shear keys 7 are uniformly distributed on the upper flange 11 of the steel beam 1, so that the uniform and stable stress distribution of the shear keys 7 is ensured, and the shear keys 7 are simple in structure, small in size and capable of being completely hidden in a floor slab.
At least four horizontal adjusting connecting pieces 5 are arranged between each external wall panel 4 and the steel beam 1, wherein half of the horizontal adjusting connecting pieces 5 are installed with the upper flange 11 of the steel beam 1, and the other half of the horizontal adjusting connecting pieces 5 are installed with the lower flange 12 of the steel beam 1, so that the adjustment safety and stability of the external wall panels 4 are ensured.
At least four limiting key assemblies 6 are arranged between each external wall panel 4 and the steel beam 1, wherein one half of the limiting key assemblies 6 are installed on the upper flange 11 of the steel beam 1, and the other half of the limiting key assemblies 6 are installed on the lower flange 12 of the steel beam 1, so that the adjustment safety and the vertical temporary support stability of the external wall panels 4 are guaranteed.
A reinforcing rib 65 is arranged in the second angle steel 62 of the limit key assembly 6.
The first embedded anchor bars 72 and the second embedded anchor bars 64 are processed into napped surfaces, and the bearing friction force is increased.
Above is the utility model discloses preferred embodiment the utility model discloses make a plurality of other simple replacements and changes under the design prerequisite, all should regard as belonging to the utility model discloses a protection category.