CN215759629U - Connecting structure of precast concrete external wallboard and main structure - Google Patents
Connecting structure of precast concrete external wallboard and main structure Download PDFInfo
- Publication number
- CN215759629U CN215759629U CN202120499694.3U CN202120499694U CN215759629U CN 215759629 U CN215759629 U CN 215759629U CN 202120499694 U CN202120499694 U CN 202120499694U CN 215759629 U CN215759629 U CN 215759629U
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- wallboard
- main structure
- precast concrete
- main
- shaped
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- 239000011178 precast concrete Substances 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 239000004567 concrete Substances 0.000 claims abstract description 19
- 238000004873 anchoring Methods 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 claims abstract 2
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 230000003796 beauty Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model provides a connecting structure of a precast concrete external wallboard and a main body structure. Comprises an upper outer wallboard, a lower outer wallboard and a main structure. The metal corrugated pipe is embedded in the upper outer wallboard inner leaf concrete layer of the upper outer wallboard, is used for placing the L-shaped anchoring reinforcing steel bar and is used for connecting the main body structure. The lower external wallboard is connected with the main structure through the embedded connection mode, the embedded C-shaped clamping groove and the T-shaped bolt and the angle steel connecting piece which are matched with the outside. The upper and lower external wall boards are respectively connected with the main structure by adopting three connection modes of steel bar internal connection, embedding, C-shaped clamping groove and T-shaped bolt connection, so that the utility model is safe and reliable, is convenient for construction, and meets the indoor beauty.
Description
Technical Field
The utility model relates to the technical field of assembly building construction, in particular to a connecting structure of a prefabricated concrete external wall panel and a main body structure.
Background
The assembly type building is an important step of building industrialization in China, and the precast concrete external wall panel is an important component of an assembly type building system. The connection between the precast concrete external wall panel and the main structure is very important, and if the connection between the precast concrete external wall panel and the main structure is improper, the precast concrete external wall panel and the main structure have no relative displacement and cannot meet the requirement of temperature stress, namely installation error. If the connection is not firm, the external wall-hung plate is easy to damage and even separate under the action of wind load and earthquake load
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a safe and reliable connecting mode of a precast concrete exterior wall cladding and a main structure, which has a simple and reasonable structure, can adapt to relative displacement, can adjust installation errors and is safe and reliable.
In order to realize the technical effects, the technical scheme of the utility model is as follows: a connecting structure of a precast concrete external wall panel and a main structure; the precast concrete outer-hanging wallboard is provided with an outer leaf concrete layer, a heat insulation layer and an inner leaf concrete layer; the main body structure is made into an inverted Z shape; the upper external wallboard is connected with the main structure through an L-shaped anchoring steel bar, and a gap is sealed by a sealing waterproof strip; and the lower external wallboard is connected with the main structure through a T-shaped bolt and an angle steel connecting piece.
Furthermore, a metal corrugated pipe is embedded at the bottom of the inner leaf concrete layer of the upper external wallboard, and a pipe orifice is arranged above the main body structure; the inner leaf concrete layer of the lower external wallboard is partially removed to form a step for placing the extending part of the main structure.
Furthermore, the horizontal anchoring section of the L-shaped anchoring reinforcing steel bar is firstly poured on the lower portion of the main structure, the vertical overhanging section is left to be long enough for anchoring, the vertical overhanging section is inserted into the metal corrugated pipe when the outer hanging wallboard is hoisted, and grouting is carried out after the outer hanging wallboard is fixed.
Further, the inner leaf concrete layer of the lower external wallboard and the main body structure are pre-embedded with C-shaped clamping grooves, and inverted hooks are arranged on notches of the inner leaf concrete layer and the main body structure for placing T-shaped bolt heads; the T-shaped bolt screw is connected with the double nuts through the reserved hole of the angle steel, so that the aim of connecting the lower externally-hung wallboard with the main structure is fulfilled.
Furthermore, a sealing waterproof strip is arranged in a gap between the upper external wallboard and the main structure and a gap between the upper external wallboard and the lower external wallboard.
The utility model has the advantages and beneficial effects that: the structure is simple and reasonable, the connection is reliable by adopting the internal connection of the pre-buried corrugated pipe and the L-shaped anchoring reinforcing steel bar, and the components such as bolts, angle steel and the like are prevented from being exposed indoors, so that the requirements of beauty and practicability are met; the main structure is embedded into the lower external wallboard and connected with the lower external wallboard through angle steel, so that the connection is reliable, and the relative displacement of each component is adapted; the embedded C-shaped clamping groove of the lower external wallboard is connected with the T-shaped bolt, so that the lower external wallboard can adapt to relative displacement and adjust installation errors.
Drawings
Fig. 1 is a schematic sectional view of a connection structure of a precast concrete outer-hanging wall panel and a main structure.
Fig. 2 is a side view of a connection structure of a precast concrete outer wallboard and a main structure, which is cut along a floor slab and faces to the direction of an outer wallboard.
Fig. 3 is a schematic perspective view of an angle iron connector.
Fig. 4 is a schematic perspective view of a C-shaped pre-buried card slot.
The various labels in the figure are:
1. an external hanging wallboard is arranged; 2. a lower external wallboard; 3. a body structure; 4. l-shaped anchoring steel bars; 5. A metal bellows; 6. sealing the waterproof strip; 7. a gap is formed between the upper external wallboard and the main structure; 8. an inner leaf concrete layer of the external hanging wallboard is arranged; 9. an inner leaf concrete layer of the lower external wallboard; 10. a heat-insulating layer; 11. a T-bolt; 12. a base plate; 13. an angle steel connecting piece; 14. a C-shaped clamping groove.
Detailed Description
The connection structure of the precast concrete outer-hanging wall panel and the main structure according to the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, a connecting structure of a precast concrete outer wallboard and a main structure comprises an upper outer wallboard (1), a lower outer wallboard (2) and a main structure (3); the precast concrete external wall boards (1) and (2) are both provided with an external leaf concrete layer heat-insulating layer (10), and upper and lower external wall board internal leaf concrete layers (8) and (9); the metal corrugated pipe (5) is embedded at the bottom of the upper external wallboard inner leaf concrete layer (8) and is connected with the main body structure (3) through an L-shaped anchoring reinforcing steel bar (4); a part of the lower external wallboard inner leaf concrete layer (8) is removed to form a step for embedding the main structure inward extending part; the lower external wallboard (2) is connected with the main structure (3) through an angle steel connecting piece (13) and a T-shaped bolt (11).
Preferably, the lower outer wallboard (2) and the main structure (3) are pre-embedded with a C-shaped clamping groove (14)
Preferably, the connecting steel bars of the upper pre-hung wallboard (1) and the main structure (3) adopt L-shaped anchoring steel bars (4).
Preferably, the connection between the L-shaped anchoring steel bar (4) and the upper outer wallboard inner leaf concrete layer (8) adopts a metal corrugated pipe post-grouting method.
Preferably, the main structure (3) is made into an inverted Z shape, the top of the inner leaf concrete layer (9) of the lower external wallboard is partially removed to form a step, and the left protruding part of the lower external wallboard (3) is embedded into the step.
The specific implementation mode adopts the following technical scheme: manufacturing a lower external wallboard (2), embedding the lower external wallboard into the C-shaped clamping groove (14), and then hoisting and positioning the lower external wallboard (2); binding steel bars of the main body structure (3), simultaneously fixing the pre-embedded C-shaped clamping grooves (14) to enable the pre-embedded C-shaped clamping grooves and the pre-embedded C-shaped clamping grooves (14) of the lower external wall panel (2) to be located on the same plane, binding horizontal anchoring sections of the L-shaped anchoring steel bars (4) together, determining the positions of the vertical extending sections, and then pouring the main body structure (3); after the (2) is maintained to a specified age, the nuts of the T-shaped bolts (11) are respectively inserted into the pre-buried C-shaped clamping grooves (14) of the (2) and the (3) along the slotting direction and then rotated for 90 degrees to form a whole, angle steel is installed and is sequentially connected into a base plate (12) and double nuts to fix the lower outer wall plate (2) and the main body structure (3); hoisting the upper external wallboard (1) embedded with the metal corrugated pipe (5) later, inserting the L-shaped anchoring reinforcing steel bar (4) into the upper external wallboard (5) during hoisting, and arranging two sealing waterproof strips (6); and finally, after the (1) is fixed, grouting into the (5), and filling the (5) and gaps (7) between the lower external wallboard and the main structure. Therefore, the connecting structure of the precast concrete external wallboard and the main structure is realized.
After adopting above-mentioned structure, this embodiment produces beneficial effect does: the structure is simple and reasonable, the connection is reliable by adopting the internal connection of the pre-buried corrugated pipe and the L-shaped anchoring reinforcing steel bar, and the components such as bolts, angle steel and the like are prevented from being exposed indoors, so that the requirements of beauty and practicability are met; the main structure is embedded into the lower external wallboard, and the main structure is connected with the lower external wallboard through the clamping groove and the bolt, so that the connection is reliable, the relative displacement of each component is adapted, and the installation error is adjusted.
While embodiments of the present invention have been presented herein, it will be appreciated by those skilled in the art that changes may be made to the embodiments herein without departing from the spirit of the utility model. The above examples are merely illustrative and should not be taken as limiting the scope of the utility model.
Claims (5)
1. The utility model provides a precast concrete externally-hung wallboard and major structure joint construction, includes externally-hung wallboard (1), lower externally-hung wallboard (2), major structure (3), its characterized in that: the steel wire rope is characterized in that a metal corrugated pipe (5) is embedded in an upper outer wallboard inner leaf concrete layer (8) of the upper outer wallboard (1), an L-shaped anchoring reinforcing steel bar (4) is inserted into the metal corrugated pipe (5) and connected with a main structure (3), a partial region is removed from the upper portion of a lower outer wallboard inner leaf concrete layer (9) of the lower outer wallboard (2) to form a step, an inner extending portion of the main structure (3) is placed, and the lower outer wallboard (2) is connected with the main structure (3) through a T-shaped bolt (11) and an angle steel connecting piece (13).
2. The precast concrete outer-hanging wall panel and main structure connection structure according to claim 1, wherein: and a gap (7) between the upper external wallboard and the main structure between the upper external wallboard (1) and the main structure (3) is filled with the metal corrugated pipe (5) through grouting, and a gap between the upper external wallboard and the main structure is sealed.
3. The precast concrete outer-hanging wall panel and main structure connection structure according to claim 1, wherein: and a sealing waterproof strip (6) is arranged between the gap between the upper external wallboard (1) and the gap between the main structure (3) and the gap between the lower external wallboard (2).
4. The precast concrete outer-hanging wall panel and main structure connection structure according to claim 1, wherein: the lower outer wallboard inner leaf concrete layer (9) and the main body structure (3) are both pre-embedded with C-shaped clamping grooves (14), and the notches are provided with barbs which are matched with T-shaped bolt heads, so that possible relative displacement and installation errors of all components are offset.
5. The precast concrete outer-hanging wall panel and main structure connection structure according to claim 1, wherein: t type bolt (11) adopt two nuts to fix, prevent that the bolt is not hard up, and with angle steel connecting piece (13) between be equipped with backing plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120499694.3U CN215759629U (en) | 2021-03-09 | 2021-03-09 | Connecting structure of precast concrete external wallboard and main structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120499694.3U CN215759629U (en) | 2021-03-09 | 2021-03-09 | Connecting structure of precast concrete external wallboard and main structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215759629U true CN215759629U (en) | 2022-02-08 |
Family
ID=80093873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120499694.3U Expired - Fee Related CN215759629U (en) | 2021-03-09 | 2021-03-09 | Connecting structure of precast concrete external wallboard and main structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215759629U (en) |
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2021
- 2021-03-09 CN CN202120499694.3U patent/CN215759629U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220208 |