CN211774824U - Outer wall assembled connection structure - Google Patents
Outer wall assembled connection structure Download PDFInfo
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- CN211774824U CN211774824U CN201921949688.2U CN201921949688U CN211774824U CN 211774824 U CN211774824 U CN 211774824U CN 201921949688 U CN201921949688 U CN 201921949688U CN 211774824 U CN211774824 U CN 211774824U
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Abstract
The utility model discloses an outer wall assembled connection structure, including prefabricated external wall, built-in fitting, anchor muscle, shear force wall, fastener, concrete, box body, support pull rod and lock nut, the built-in fitting is connected through the anchor muscle anchor of anchoring in prefabricated external wall, when two adjacent prefabricated shear force walls are connected, through inserting the box body in the notch that two prefabricated shear force walls constitute and connect, one side of box body is connected with the built-in fitting of a prefabricated shear force wall through the fastener, the opposite side links to each other with another prefabricated shear force wall steel anchor bolt through the fastener, after lock nut connects the fastening, pour into in the box body and fill in like concrete, high strength mortar; the structure adopts dry construction, can solve the connection problem between prefabricated members of a concrete structure, reliably connects layers, improves the strength of the whole structure, reduces the construction difficulty and cost, and shortens the field installation period.
Description
Technical Field
The utility model relates to a building technical field particularly, relates to an outer wall assembled connection structure.
Background
The prefabricated concrete structure has the advantages of low energy consumption, high construction speed and the like, the domestic PC prefabricated small-sized building is still in a starting stage at present, and still has a large development space which is mainly shown as follows:
the connection node forms of the precast concrete structure are various, a better unified summary is not provided at present, and the different specifications lead to different classification of various connection forms; in the current adopted wet connection, the steel bars at the nodes are crowded and inconvenient to construct, the cast-in-place area is large, and the prefabrication degree is not enough; the existing welding dry connection has high construction requirement, can not be reused, and can not fully embody the advantages of an assembly type structure; the study on node connection lacks enough model test as theoretical support.
For a fabricated concrete structure, the connection problem between prefabricated components is one of the key technical problems in the research and popularization and application of the prefabricated components, and especially, the reliability of the connection (namely, horizontal seam connection) between an upper layer and a lower layer is crucial to the overall performance of the fabricated structure.
The existing specification of 'prefabricated concrete structure technical regulation' (JGJ1-2014) in China mainly recommends the use of sleeve grouting connection and grout anchor lap joint connection, but if each vertically distributed steel bar adopts sleeve grouting connection or grout anchor lap joint connection, because the requirement on construction precision is high, the position of the reserved steel bar is inevitably deviated in the processes of production, maintenance and transportation of the member, so that the wallboard is difficult to hoist, and the cost and the construction difficulty are increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an outer wall assembled connection structure, it adopts the dry construction, can solve the connection problem between the concrete structure prefab, with reliably connecting between each layer, improves its overall structure intensity, reduces the construction degree of difficulty and cost, shortens on-the-spot installation cycle.
The embodiment of the utility model is realized like this:
the utility model provides an outer wall assembled connection structure, it is including prefabricated external wall body, the built-in fitting, the anchor muscle, the shear force wall, fastener and concrete, prefabricated external wall body includes two relative wallboard in position, the wallboard has the multilayer structure of insulating layer and flame retardant coating, a plurality of built-in fittings set up in prefabricated external wall body outside, the built-in fitting passes through the anchor muscle to be fixed at prefabricated external wall body, the anchor muscle is the frame form and blocks in prefabricated external wall body, the fastener is fixed chucking built-in fitting and anchor muscle, be equipped with the space of filling concrete in the prefabricated external wall body, the concrete pours into in the space and pours prefabricated external wall body and built-in fitting fixedly.
In the preferred embodiment of the present invention, the embedded part is L-shaped, the embedded part has two ends with different lengths and two ends perpendicular to each other, the shorter end of the embedded part is abutted against the shear wall, and the longer end of the embedded part is located in the prefabricated outer wall.
In a preferred embodiment of the present invention, the connecting edge of the shear wall is recessed inward to form a notch, the shear wall is a multi-segment structure, and two adjacent shear walls are connected to form the notch.
In the preferred embodiment of the present invention, the external wall assembly type connection structure further includes a box body, the box body is disposed in the slot, one side of the box body is fixedly connected to the embedded part through a fastener, and the other side of the box body is connected to the shear wall through a fastener.
In the preferred embodiment of the present invention, the wall plate is formed by combining a heat insulation layer, a fire protection layer and an alloy plate, the fire protection layer is located outside the alloy plate, and the heat insulation layer is located inside the alloy plate.
In a preferred embodiment of the present invention, the thermal insulation layer is made of hollow polymeric fibers and sand grains, the polymeric fibers form a hollow grid structure, and the sand grains are filled in the grid structure and fill the entire polymeric fibers.
In a preferred embodiment of the present invention, the fire-proof layer is a fire-proof coating made of a mixture of portland cement, aluminum silicate fiber, and a hardening agent.
The utility model discloses in the embodiment of the preferred, above-mentioned outer wall assembled connection structure is still including supporting pull rod and lock nut, and the support pull rod erect at the wallboard and support and lean on anchoring muscle, and lock nut is with the fixed locking of anchoring muscle and built-in fitting.
The utility model has the advantages that:
the utility model connects and fixes the wallboard and the shear wall through the embedded part and the anchoring rib, fixedly connects the embedded part, the anchoring rib and the box body through the fastener, and fixedly locks the anchoring rib and the embedded part by using the locking nut to form a stable structure; the structure can solve the connection problem between prefabricated members of a concrete structure, reliably connects layers, improves the strength of the whole structure, reduces the construction difficulty and cost, and shortens the field installation period.
Drawings
To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, and it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope.
FIG. 1 is a schematic view of the assembled connection structure of the outer wall of the present invention;
fig. 2 is a schematic view of the wall panel of the present invention;
icon: 1-wallboard; 2-embedded parts; 3-anchoring ribs; 4-shear walls; 5-a fastener; 6-concrete; 7-box body; 8-supporting the pull rod; 9-locking the nut; 10-a fire barrier layer; 11-alloy plate; 12-an insulating layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
First embodiment
Referring to fig. 1, the embodiment provides an external wall assembly type connection structure, which includes a prefabricated external wall, embedded parts 2, anchoring ribs 3, shear walls 4, fasteners 5, concrete 6, a box body 7, a supporting pull rod 8 and locking nuts 9, wherein a plurality of embedded parts 2 are arranged at the connection nodes of the external wall, the embedded parts 2 are connected by anchoring the anchoring ribs 3 anchored in the prefabricated external wall, holes are reserved in the embedded parts 2 by the fasteners 5, a notch is arranged between the embedded parts 2 and the connection edge of the prefabricated external wall, when two adjacent prefabricated shear walls 4 are connected, the box body 7 is inserted into the notch formed by the two prefabricated shear walls 4 for connection, one side of the box body 7 is connected with the embedded part 2 of one prefabricated shear wall 4 by the fasteners 5, the other side is connected with the steel anchor bolt of the other prefabricated shear wall 4 by the fasteners 5, after the locking nuts 9 are connected and fastened, pouring concrete 6 into the box body 7, and filling high-strength mortar into the box body 7; the structure can improve the strength of the whole structure and reduce the construction difficulty and cost.
Referring to fig. 2, the prefabricated external wall includes two wall panels 1 opposite to each other, the wall panels 1 have a multi-layer structure of a heat insulation layer 12 and a fire prevention layer 10, the wall panels 1 are formed by compounding the heat insulation layer 12, the fire prevention layer 10 and an alloy plate 11, the fire prevention layer 10 is located on the outer side of the alloy plate 11, the fire prevention layer 10 is a fire prevention coating, the thickness of the fire prevention coating is 2mm, the fire prevention coating plays a role of fire prevention and fire retardation, the fire prevention coating is made by mixing silicate cement, aluminum silicate fiber and a hardening agent, the hardening agent is the prior art, the hardening agent is added to facilitate the solidification and hardening of the fire prevention layer 10, the silicate cement, the aluminum silicate fiber and the hardening agent have a weight ratio of 7: 2: 1, the three are fully mixed and then stand for half an hour at 60 to 80 ℃, then the heat insulation layer 12 is coated on the surface of the alloy, the polymeric fiber forms a hollow latticed structure, the polymeric fiber forms a hollow structure, sand grains are filled in the pores of the latticed structure and are filled in the whole polymeric fiber, the polymeric fiber is beneficial to enhancing the toughness and the strength of the heat insulation layer 12, the grain size of the sand grains is smaller than 2mm, the arrangement of the sand grains is beneficial to blocking heat transfer, the alloy plate 11 is made of metal alloy materials, and the alloy plate 11 of the embodiment is made of aluminum alloy.
The connecting edge of the shear wall 4 is inwards recessed to form a notch, the shear wall 4 is of a multi-section structure, two adjacent shear walls 4 are connected to form the notch, so that the shear wall 4 is provided with a plurality of structures for connecting the adjacent walls, the outer wall assembly type connecting structure further comprises a box body 7, the box body 7 is of a cuboid shape and is provided with a box-shaped structure and arranged in the notch, one side of the box body 7 is provided with a connecting hole, the top end of an embedded part 2 penetrates through the connecting hole, the embedded part 2 is positioned in the box body 7, two sides of the box body 7 are respectively provided with a through hole, a fastening part 5 is annular and fixedly connects the box body 7 with the embedded part 2 through the through holes, the other side of the box body 7 is connected with the shear wall 4 through the fastening part 5, the side of the box body 7 is provided with the connecting hole, the box body 7 is fixed at, the embedded part 2 is L-shaped, the embedded part 2 has two ends with different lengths, the two ends are perpendicular to each other, the shorter end of the embedded part 2 is abutted against the shear wall 4, the longer end of the embedded part 2 is positioned in the wallboard 1, the top end of the embedded part 2 is fixed at the outer side end of the wallboard 1 through the anchoring rib 3, the anchoring rib 3 is frame-shaped and clamped in the prefabricated external hanging wall body, the frame-shaped side surface of the anchoring rib 3 is empty and used for installing a locking nut 9, the top end of the embedded part 2 is fixed on the anchoring rib 3 through the locking nut 9 after penetrating through the box body 7, the position of the embedded part 2 is provided with threads and matched with the locking nut 9, the embedded part 2 and the anchoring rib 3 are fixedly clamped through the bottom end of the anchoring rib 3 by using a fastener 5, the supporting pull rod 8 is erected in the wallboard 1 and abutted against the anchoring rib 3 and is connected in a welding mode, and plays a role of deeply, a space for filling concrete 6 is arranged in the prefabricated external hanging wall body, and the concrete 6 is poured into the space and the wall plate 1 and the embedded part 2 are poured and fixed.
To sum up, the embodiment of the utility model connects and fixes the wallboard and the shear wall through the embedded part and the anchoring rib, fixedly connects the embedded part, the anchoring rib and the box body through the fastener, and fixedly locks the anchoring rib and the embedded part by using the locking nut to form a stable structure; the structure can solve the connection problem between prefabricated members of a concrete structure, reliably connects layers, improves the strength of the whole structure, reduces the construction difficulty and cost, and shortens the field installation period.
This description describes examples of embodiments of the invention, and is not intended to illustrate and describe all possible forms of the invention. It will be appreciated by those of ordinary skill in the art that the examples provided herein are intended to assist the reader in understanding the principles of the invention and are to be construed as being without limitation to such specifically recited examples and embodiments. Those skilled in the art can make various other specific modifications and combinations based on the teachings of the present invention without departing from the spirit of the invention, and such modifications and combinations are still within the scope of the invention.
Claims (8)
1. An exterior wall assembly type connecting structure is characterized by comprising: the prefabricated external wall comprises two wallboards which are opposite in position, each wallboard is provided with a multilayer structure of a heat insulation layer and a fire-proof layer, the embedded parts are arranged on the outer side of the prefabricated external wall, the embedded parts are fixed on the prefabricated external wall through the anchoring ribs, the anchoring ribs are in a frame shape and clamped in the prefabricated external wall, the embedded parts and the anchoring ribs are fixedly clamped by the fasteners, a space filled with concrete is arranged in the prefabricated external wall, and the concrete is poured into the space and fixedly pours the prefabricated external wall and the embedded parts.
2. The assembled connecting structure for the exterior wall as claimed in claim 1, wherein the embedded part is L-shaped, the embedded part has two ends with different lengths, the two ends are perpendicular to each other, the shorter end of the embedded part abuts against the shear wall, and the longer end of the embedded part is located in the prefabricated exterior wall body.
3. The assembled connecting structure for the outer wall as claimed in claim 2, wherein the connecting edges of the shear walls are recessed inwards to form notches, the shear walls are of a multi-section structure, and two adjacent shear walls are connected to form the notches.
4. The exterior wall assembly type connection structure of claim 3, further comprising a box body, wherein the box body is arranged in the groove, one side of the box body is fixedly connected with the embedded part through a fastener, and the other side of the box body is connected with the shear wall through a fastener.
5. The assembled connecting structure for the exterior wall as claimed in claim 1, wherein the wall board is formed by compounding a fire-proof layer, a fire-proof layer and an alloy plate, the fire-proof layer is positioned on the outer side of the alloy plate, and the heat-proof layer is positioned on the inner side of the alloy plate.
6. The assembled connecting structure for external walls as claimed in claim 5, wherein the heat insulating layer is a hollow polymeric fiber and sand grains, the polymeric fiber forms a hollow grid structure, and the sand grains are filled in the grid structure and fill the whole polymeric fiber.
7. The exterior wall assembly type connection structure of claim 5, wherein the fire-proof layer is a fire-proof coating.
8. The fabricated connecting structure for external walls of claim 1, further comprising a supporting pull rod and a locking nut, wherein the supporting pull rod is erected on the wall board and abuts against the anchoring rib, and the locking nut fixes and locks the anchoring rib and the embedded part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921949688.2U CN211774824U (en) | 2019-11-12 | 2019-11-12 | Outer wall assembled connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921949688.2U CN211774824U (en) | 2019-11-12 | 2019-11-12 | Outer wall assembled connection structure |
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| CN211774824U true CN211774824U (en) | 2020-10-27 |
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| CN201921949688.2U Active CN211774824U (en) | 2019-11-12 | 2019-11-12 | Outer wall assembled connection structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638486A (en) * | 2021-06-25 | 2021-11-12 | 中建五局华东建设有限公司 | Prefabricated wall high-strength concrete connection node and construction method |
| CN114033186A (en) * | 2021-12-09 | 2022-02-11 | 中建四局第三建设有限公司 | Construction method of special-shaped prefabricated inclined roof panel |
-
2019
- 2019-11-12 CN CN201921949688.2U patent/CN211774824U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638486A (en) * | 2021-06-25 | 2021-11-12 | 中建五局华东建设有限公司 | Prefabricated wall high-strength concrete connection node and construction method |
| CN114033186A (en) * | 2021-12-09 | 2022-02-11 | 中建四局第三建设有限公司 | Construction method of special-shaped prefabricated inclined roof panel |
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