CN111779141A - Light external wallboard connected node - Google Patents
Light external wallboard connected node Download PDFInfo
- Publication number
- CN111779141A CN111779141A CN202010811912.2A CN202010811912A CN111779141A CN 111779141 A CN111779141 A CN 111779141A CN 202010811912 A CN202010811912 A CN 202010811912A CN 111779141 A CN111779141 A CN 111779141A
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- wallboard
- node
- shaped bolt
- plate
- lightweight
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2103/00—Material constitution of slabs, sheets or the like
- E04B2103/02—Material constitution of slabs, sheets or the like of ceramics, concrete or other stone-like material
Abstract
The invention discloses a light external wallboard connecting node, and relates to the field of building connecting structures. The scheme comprises an upper node assembly and a lower node assembly, wherein the upper node assembly and the lower node assembly respectively comprise a connecting piece, an L-shaped bolt and a nut, the connecting pieces are fixed with structural members of a building main body, the L-shaped bolt is fixed on the connecting pieces, the nut is connected onto the shaped bolt, the lower node assembly also comprises a supporting plate, the plate is fixed with the connecting pieces of the lower node assembly and supports a wallboard, the upper node assembly and the lower node assembly also respectively comprise an elastic sleeve, the elastic sleeve is sleeved outside the L-shaped bolt, and the elastic sleeve is matched with mounting holes formed in the upper side and the lower side of the wallboard; the supporting plate is also provided with an elastic backing plate which is positioned between the supporting plate and the wall plate. The light external wallboard connecting node solves the problems of wallboard damage and L-shaped bolt failure caused by direct collision of a wallboard after displacement and an L-shaped bolt, and is simple in structure and convenient to install.
Description
Technical Field
The invention relates to the field of building connection structures, in particular to a light external wall panel connection node.
Background
The light external wallboard is formed by connecting a plurality of standard light strip-shaped plate units with a main body structure through connecting nodes, and compared with the traditional masonry wall, the light external wallboard consists of a plurality of standard strip-shaped plates and has excellent integrity and water and permeability resistance; meanwhile, the light external wallboard is generally installed by adopting dry construction, so that the wet operation procedures such as on-site masonry and the like are avoided, the material and labor cost is reduced, and the construction efficiency is greatly improved.
With the continuous promotion of the greening and industrialization process of the building industry in China, the light external wall panel is favored by the engineering world due to the excellent physical performance and comprehensive economic benefit of the building, and is more and more widely applied to various industrial and civil buildings.
The connection node between the light strip-shaped plate unit and the main body structure is an important component of the light external wall panel, and the characteristics of the connection node directly influence the installation efficiency and the working performance of the light external wall panel.
However, in practical engineering application, it is found that some of the commonly used connection nodes are still insufficient, which limits further popularization and application of the lightweight external wall panel to a certain extent, and at present, the common connection nodes mainly include the following:
(1) the fixing bolt type connecting node represented by the hook bolt connecting node has a simple structure and is convenient to install, and the fixing bolt type connecting node directly penetrates through the wall plate through the hook bolt to be fixed with a building structural member (I-shaped steel), but the connecting node can limit the internal displacement of the wall plate to a great extent;
(2) the constraint effect of the sliding type node represented by the steel pipe anchor connection node on the wallboard is small, but the structure of the type node is complex, a plurality of customized parts are provided, a connecting piece is generally required to be embedded in the light wallboard, the requirement on the wallboard production process is high, and the production cost of the wallboard and the connection node part of the wallboard is greatly increased; meanwhile, the installation process of the node is complicated, the requirement on the installation precision is high, the installation process can be completed only by matching with a specific auxiliary tool, and the installation efficiency of the wallboard is reduced;
therefore, there is a need for a new type of connection node for lightweight external wall panels with a simple structure and a high adaptability.
Disclosure of Invention
In order to solve the above technical problems, an object of the present invention is to provide a lightweight external wall panel connection node, which includes an upper node assembly and a lower node assembly, wherein the upper node assembly and the lower node assembly each include an elastic sleeve, and an elastic pad is disposed on a supporting plate of the lower node assembly. This novel connected node has the performance that stronger adaptation wallboard warp, can fully release connected node to the restraint of wallboard internal displacement, and this novel connected node has comparatively simple connecting piece structure and mounting process simultaneously.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a light external wallboard connecting node comprises an upper node component and a lower node component, wherein the upper node component and the lower node component respectively comprise a connecting piece, an L-shaped bolt and a nut, the connecting pieces of the upper node component and the lower node component are respectively fixed with a building main body structural member, the L-shaped bolt is fixed on the connecting piece, the nut is connected onto the L-shaped bolt, the lower node component also comprises a supporting plate, the supporting plate and the connecting piece of the lower node component are fixed and support a wallboard, the upper node component and the lower node component both also comprise elastic sleeves, the elastic sleeves are sleeved outside the L-shaped bolts, and the elastic sleeves are matched with mounting holes formed in the upper side and the lower side of the wallboard;
the supporting plate is also provided with an elastic backing plate, and the elastic backing plate is positioned between the supporting plate and the wallboard.
Through the arrangement, the supporting plate supports the lower part of the wallboard, the elastic sleeves of the upper node assembly and the lower node assembly are matched with the mounting holes in the wallboard, so that after the wallboard is mounted, when the wallboard deforms and moves relative to the L-shaped bolt, the elastic sleeves can elastically deform to adapt to the movement of the wallboard relative to the L-shaped bolt, the restraint of the connecting nodes on the displacement of the inner surface of the wallboard is released, the stress is reduced, and the structure is simple; set up an elastic backing plate again on the backing plate, add the wallboard bottom crushing destruction that the elastic backing plate can avoid wallboard bottom and layer board direct extrusion to lead to, further improve the adaptability that the connecting node warp the wallboard.
Preferably, the connecting piece is angle steel or stiffener angle steel.
Preferably, the elastic sleeves are all rubber sleeves.
Preferably, the L-shaped bolt is a hook bolt.
Preferably, the building main body structural member is one or more of a steel beam, a concrete beam, a composite beam, a concrete floor and a composite floor.
Preferably, the wall plate is one or more of an autoclaved lightweight aerated concrete plate, a foam concrete plate, a lightweight aggregate concrete batten, a lightweight composite sandwich plate and a ceramsite concrete plate.
Preferably, the elastic backing plate is a carbon fiber reinforced polytetrafluoroethylene plate.
Preferably, the L-shaped bolt is further provided with a mounting gasket, the mounting gasket is located at one end, far away from the connecting piece, of the L-shaped bolt, and the mounting gasket is located in the mounting hole.
Through setting up like this, set up the gasket and be convenient for fixed L shape bolt and wallboard, set up the mounting pad in the mounting hole, reduce the mounting pad and outstanding in wallboard surface and form the hindrance, keep the planarization on wallboard surface.
Compared with the prior art, the invention has the beneficial technical effects that:
1. the upper node assembly and the lower node assembly of the connecting node comprise elastic sleeves, the elastic sleeves are sleeved outside the L-shaped bolts, accurate positioning in the wall plate mounting holes is realized when the L-shaped bolts are mounted, a certain distance is kept between the L-shaped bolts and the wall of the wall plate mounting holes after the L-shaped bolts are mounted, and the elastic sleeves have elasticity, so that the problems of wall plate damage and L-shaped bolt failure caused by direct collision between the wall plate and the L-shaped bolts after displacement are solved, the structure is simple, and the mounting is convenient; still set up the elastic backing plate on the layer board of lower part node subassembly, solved because the extrusion problem between wallboard bottom and the layer board that the wallboard rotation leads to, avoided wallboard bottom local conquassation, alleviated layer board bight stress concentration, further improved the adaptability that the connecting node warp to the wallboard.
2. The connection node scheme has the advantages that the structure is simple, special parts are not needed, pre-embedded connecting pieces in the wall plate are not needed, the flexible connection between the wall plate and the structural member of the building main body is realized by adopting a relatively simple structure, the out-of-plane fixing reliability of the wall plate is ensured, the constraint effect on the in-plane displacement of the wall plate is reduced, and the production cost, the part processing cost of the connection node and the on-site installation cost of the wall plate are reduced.
Drawings
Fig. 1 is an exploded view of a lower node assembly in embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of a connecting node of the light external wallboard and a wallboard in embodiment 1 of the present invention;
fig. 3 is a schematic structural view of the light-weight external wall panel in embodiment 1 of the present invention after the connection node is connected to the wall panel.
Wherein, the technical characteristics that each reference numeral refers to are as follows:
1. an upper node assembly; 2. a lower node assembly; 3. a connecting member; 4. an L-shaped bolt; 401. installing a gasket; 5. a nut; 6. an elastic sleeve; 7. a support plate; 8. a building body structural member; 9. a wallboard; 901. mounting holes; 10. an elastic backing plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments, but the scope of the present invention is not limited to the following embodiments.
Example 1
Referring to fig. 1, 2 and 3, the embodiment discloses a light external wall panel connection node, which includes an upper node assembly 1 and a lower node assembly 2, wherein the upper node assembly 1 and the lower node assembly 2 are respectively located at the upper side and the lower side of the same wall panel 9, fig. 2 and 3 illustrate the upper side and the lower side of two different wall panels 9, the upper node assembly 1 and the lower node assembly 2 respectively include a connection piece 3, an L-shaped bolt 4, a nut 5 and an elastic sleeve 6, the lower node assembly 2 further includes a supporting plate 7, and the connection piece 3 of the upper node assembly 1 and the lower node assembly 2 is fixed with a building main body structural member 8.
In this embodiment, the building main structural member 8 is one or more of a steel beam, a concrete beam, a composite beam, a concrete floor, and a composite floor, wherein when the building main structural member 8 is a concrete beam, a concrete floor, a composite beam, or a composite floor, an embedded part for installation is provided in the concrete beam, the concrete floor, the composite beam, and the composite floor.
The L-shaped bolt 4 is fixed on the connecting piece 3, and the elastic sleeve 6 is sleeved outside the L-shaped bolt 4.
Referring to fig. 1, 2 and 3, the L-shaped bolt 4 is a hook bolt; the function of the L-bolts 4 is to transfer out-of-plane loads experienced by the wall panel 9 in its thickness direction.
In this embodiment, the connecting member 3 is an angle steel or a stiffener angle steel, and the L-shaped bolt 4 is fixed to an indoor side of the connecting member 3.
The connecting piece 3 is welded with the flange of the steel beam or embedded pieces in the concrete beam, the composite beam, the concrete floor slab and the composite floor slab; the function of the connector 3 is to establish a connection between the building body structural member 8 and the other components of the connection node.
Referring to fig. 2 and 3, mounting holes 901 are formed in the upper side and the lower side of the wall plate 9, the mounting holes 901 penetrate along the thickness direction of the wall plate 9, and the elastic sleeve 6 is matched with the mounting holes 901.
In this embodiment, the wall plate 9 is one or more of an autoclaved lightweight aerated concrete plate, a foam concrete plate, a lightweight aggregate concrete batten, a lightweight composite sandwich plate and a ceramsite concrete plate.
In this embodiment, the elastic sleeve 6 is a rubber sleeve, and may also be an annular sleeve made of other high polymer materials with better elasticity, the inner wall of the elastic sleeve 6 is tightly attached to the rod body of the L-shaped bolt 4, and the outer diameter of the elastic sleeve 6 is not greater than the inner diameter of the mounting hole 901 of the wall plate 9; the function of the elastic sleeve 6 is: when wallboard 9 installs, the position of fixed L shape bolt 4 in mounting hole 901 avoids wallboard 9 to produce the direct and L shape bolt 4 contact of pore wall of mounting hole 901 when shifting, ensures wallboard 9 and L shape bolt 4's integrality, improves the security of using.
Referring to fig. 3, the supporting plate 7 is fixed to the connecting member 3 of the lower node member 2 and abuts against the lower end surface of the wall plate 9 to support the wall plate 9.
Referring to fig. 1, 2 and 3, the nut 5 is screwed on the L-bolt 4, and a mounting washer 401 may be further disposed on an end of the L-bolt 4 away from the connecting member 3, and the mounting washer 401 is also mounted in the mounting hole 901.
Referring to fig. 1, 2 and 3, the supporting plate 7 is further provided with an elastic pad 10, and the elastic pad 10 is located between the supporting plate 7 and the wall plate 9.
In this embodiment, the elastic pad 10 is a flat plate or a special-shaped plate made of a polymer compound having elasticity, durability and excellent creep resistance, represented by a carbon fiber-reinforced polytetrafluoroethylene plate; the contact surface of the elastic backing plate 10 and the supporting plate 7 is subjected to surface treatment for increasing friction force, such as sanding, and the elastic backing plate 10 has the function of relieving stress concentration at the contact part of the bottom of the wall plate 9 and the supporting plate 7 when the wall plate 9 is displaced.
Although the hook bolt joint in the prior art adopts a simpler structure to realize the external hanging installation of the light wall board, the deformation capacity of the connecting joint is poorer, the constraint effect on the internal displacement of the wall board surface is stronger, the wall board plate can directly collide with the connecting joint part when the wall board generates larger displacement, the wall board bolt hole is easy to crack, the bottom of the wall board is easy to crush, and meanwhile, the fixing bolt is easy to yield and lose efficacy.
The elastic sleeve 6 and the elastic backing plate 10 arranged in the invention can buffer the deformation of the wallboard 9, release the restraint of the connecting node on the displacement of the wallboard 9, have simple structure and convenient installation, and improve the adaptability of the connecting node on the deformation of the wallboard 9.
Example 2
The embodiment discloses a construction method of a light external wallboard connecting node, which is used for constructing and forming the light external wallboard connecting node in the embodiment 1 and comprises the following steps:
step A: processing a wallboard, assembling an upper node assembly and a lower node assembly, respectively assembling the upper node assembly and the lower node assembly, and processing mounting holes on the upper side and the lower side of the wallboard;
and B: installing an upper node component and a lower node component, installing a connecting piece of the upper node component, a connecting piece of the lower node component and a supporting plate at corresponding positions of a main structural member of a building, and placing an elastic backing plate on the fixed supporting plate;
and C: and B, installing a wallboard, namely hoisting the wallboard with the installation hole obtained in the step A to a preset position, placing the wallboard on the elastic backing plate fixed in the step B, and fastening the wallboard by using the L-shaped bolt with the flexible sleeve obtained in the step A.
In the connecting joint constructed by the scheme, the lower part of the wallboard is supported by the supporting plate, and the elastic sleeves of the upper node assembly and the lower node assembly are matched with the mounting holes in the wallboard, so that after the wallboard is mounted, when the wallboard deforms and moves relative to the L-shaped bolt, the elastic sleeves can elastically deform to adapt to the movement of the wallboard relative to the L-shaped bolt, the constraint of the connecting joint on the internal displacement of the wallboard surface is released, the generation of stress is reduced, and the structure is simple; an elastic backing plate is arranged on the backing plate, and the elastic backing plate is additionally arranged, so that crushing damage to the bottom of the wallboard caused by direct extrusion of the bottom of the wallboard and the supporting plate can be avoided, and the adaptability of the connecting node to the deformation of the wallboard is further improved; the construction method is simple, the installation precision is controlled, and higher construction efficiency can be kept.
Example 3
The embodiment discloses another construction method of a light external wallboard connecting node, which is based on the embodiment 2 and is different from the embodiment 2 in that:
step A comprises a step A1 of determining node assembly parameters, a step A2 of assembling the node assembly and a step A3 of opening a mounting hole on a wallboard;
step A1: determining the materials and geometric parameters of the connecting piece, the L-shaped bolt, the elastic sleeve, the supporting plate and the elastic base plate according to the design requirements;
step A2: penetrating the L-shaped bolt into the elastic sleeve to form an assembly;
step A3: after positioning the wallboard hole opening position according to the design requirement, drilling a mounting hole at the position, wherein the inner diameter of the mounting hole is slightly larger than the outer diameter of the flexible sleeve, and properly expanding the hole diameter of the mounting hole in a preset depth of the wallboard at the outdoor side; the predetermined depth may be pre-designed as desired.
The difficulty that the L-shaped bolt with the elastic sleeve penetrates into the mounting hole is reduced by controlling the inner diameter of the mounting hole to be slightly larger than the outer diameter of the sleeve, and the hole diameter of the mounting hole with a certain preset depth on the outdoor side of the wallboard is properly enlarged to ensure that a gasket and a nut for fastening do not protrude out of the surface of the wallboard after the installation is completed.
Example 4
The embodiment discloses another construction method of a connecting node of a light external wallboard, which is based on the embodiment and is different from the embodiment in that:
the step B comprises a connecting piece mounting step B1, a supporting plate mounting step B2 and an elastic cushion plate mounting step B3;
step B1: after the installation position of the connecting piece is positioned on the main structural member of the building according to the design requirement, welding the connecting piece on the main structural member of the building, specifically welding the connecting piece at the corresponding position of the flange of the steel beam of the main structural member or at the corresponding position of an embedded part arranged in the concrete beam, the composite beam, the concrete floor slab and the composite floor slab, wherein the adopted welding mode is double-sided intermittent welding;
step B2: the step of mounting the supporting plate is designed to require that after the mounting position of the supporting plate is positioned on the connecting piece determined in the step B1, the supporting plate is welded at the corresponding position of the outdoor side of the connecting piece in a welding mode of three-side girth welding;
step B3: the elastic backing plate is fixed on the upper part of the supporting plate.
Example 5
The embodiment discloses another construction method of a light external wallboard connecting node, which is based on the embodiment 4 and is different from the embodiment 4 in that:
step C comprises a wallboard hoisting and positioning step C1 and a wallboard fastening step C2;
step C1: hoisting the wallboard to the installation position by using a lifting appliance, accurately positioning according to the design requirement, and then falling on the supporting plate coated with the elastic backing plate determined in the step B3;
step C2: and C1, penetrating L-shaped bolts with elastic sleeves into the upper and lower mounting holes on the indoor side of the wallboard determined in the step C1, welding the L-shaped bolts to the indoor side of the connecting piece determined in the step B1, finally fastening nuts of the L-shaped bolts, and fixing the wallboard by adopting a double-sided welding mode.
The construction method of the light external wallboard connecting node is provided, an upper node assembly and a lower node assembly of the connecting node respectively comprise an elastic sleeve, the elastic sleeves are sleeved outside the L-shaped bolts, accurate positioning in the wallboard mounting holes during installation of the L-shaped bolts is realized, a certain distance is kept between the L-shaped bolts and the wall walls of the wallboard mounting holes after installation, the elastic sleeves have elasticity, the problems of wallboard damage and L-shaped bolt failure caused by direct collision between the wallboard and the L-shaped bolts after displacement are solved, and the structure is simple and convenient to install; the elastic backing plate is arranged on the supporting plate of the lower node assembly, so that the problem of extrusion between the bottom of the wallboard and the supporting plate caused by rotation of the wallboard is solved, local crushing of the bottom of the wallboard is avoided, stress concentration at the corner of the supporting plate is relieved, and the adaptability of the connecting node to the deformation of the wallboard is further improved; the construction method is simple, the installation precision is easy to control, and the higher construction efficiency is ensured.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (9)
1. A light external wallboard connecting node comprises an upper node component and a lower node component, wherein the upper node component and the lower node component respectively comprise a connecting piece, an L-shaped bolt and a nut, the connecting pieces of the upper node component and the lower node component are respectively fixed with a building main body structural member, the L-shaped bolt is fixed on the connecting piece, the nut is connected onto the L-shaped bolt, the lower node component also comprises a supporting plate, and the supporting plate is fixed with the connecting piece of the lower node component and supports a wallboard;
the supporting plate is also provided with an elastic backing plate, and the elastic backing plate is positioned between the supporting plate and the wallboard.
2. The lightweight external wallboard connection node of claim 1, wherein the connector is an angle steel or a stiffener angle steel.
3. The lightweight exterior wall panel connection node according to claim 1 or 2, wherein said L-bolt is a hook bolt.
4. The lightweight external wall panel connection node according to claim 1 or 2, wherein said elastic sleeves are rubber sleeves.
5. The lightweight external wallboard connecting node of claim 1 or 2, wherein the building body structural member is one or more of a steel beam, a concrete beam, a composite beam, a concrete floor, a composite floor.
6. The lightweight external wallboard connecting node of claim 1 or 2, wherein the wallboard is one or more of autoclaved lightweight aerated concrete panels, foam concrete panels, lightweight aggregate concrete battens, lightweight composite sandwich panels, and ceramsite concrete panels.
7. The lightweight external wall panel connection node according to claim 1 or 2, wherein said elastic backing plate is a carbon fiber reinforced polytetrafluoroethylene plate.
8. The lightweight external wall panel connection node according to claim 1 or 2, wherein a mounting gasket is further disposed on the L-shaped bolt, the mounting gasket is located at one end of the L-shaped bolt away from the connection member, and the mounting gasket is located in the mounting hole.
9. A construction method is characterized in that the light-weight externally-hung wallboard connecting node is formed by construction according to any one of claims 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010811912.2A CN111779141B (en) | 2020-08-13 | 2020-08-13 | Light external wallboard connected node |
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| CN202010811912.2A CN111779141B (en) | 2020-08-13 | 2020-08-13 | Light external wallboard connected node |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113431205A (en) * | 2021-07-15 | 2021-09-24 | 中建科工集团有限公司 | Wallboard and steel construction's connected node |
| CN114108831A (en) * | 2021-11-17 | 2022-03-01 | 中国航空规划设计研究总院有限公司 | Connection node of assembled external wall panel and installation and design method thereof |
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| CN114108831A (en) * | 2021-11-17 | 2022-03-01 | 中国航空规划设计研究总院有限公司 | Connection node of assembled external wall panel and installation and design method thereof |
| CN114108831B (en) * | 2021-11-17 | 2023-09-22 | 中国航空规划设计研究总院有限公司 | Connecting node of assembled external wall panel and installation and design method thereof |
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| CN111779141B (en) | 2022-01-25 |
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