CN113737961A - Cross claw type FRP connecting piece - Google Patents
Cross claw type FRP connecting piece Download PDFInfo
- Publication number
- CN113737961A CN113737961A CN202110986396.1A CN202110986396A CN113737961A CN 113737961 A CN113737961 A CN 113737961A CN 202110986396 A CN202110986396 A CN 202110986396A CN 113737961 A CN113737961 A CN 113737961A
- Authority
- CN
- China
- Prior art keywords
- limiting plate
- connecting piece
- connecting rod
- type frp
- spider
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 210000000078 claw Anatomy 0.000 title claims abstract description 9
- 239000004567 concrete Substances 0.000 abstract description 12
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- 238000004873 anchoring Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 7
- 238000009413 insulation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910001092 metal group alloy Inorganic materials 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
-
- 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
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a cross claw type FRP connecting piece, and relates to the technical field of fabricated concrete members. The cross claw type FRP connecting piece comprises a connecting rod, a first limiting plate and a second limiting plate, wherein when the first limiting plate and the second limiting plate are arranged in a crossed and overlapped mode, a first end portion of the connecting rod can penetrate through an overlapped area of the first limiting plate and the second limiting plate. The FRP connecting piece provided by the invention connects the inner leaf and the outer leaf of the sandwich wallboard into a whole, and the end part of the limiting plate is connected with the steel bar of the outer leaf plate, so that the anchoring capability of the connecting piece and concrete is greatly improved, the outer leaf plate is effectively prevented from falling off, and the safety performance of the sandwich wallboard is improved.
Description
Technical Field
The invention relates to the technical field of assembled concrete members, in particular to a cross claw type FRP connecting piece.
Background
China is a country with the defects of lack of overall resources, huge building energy consumption and outstanding contradiction between urban and rural construction and resource environment, how to reasonably solve the living and living problems of people, complete important engineering construction projects with high standards and reduce the consumption of resources, and all of the countries put forward new requirements on the building construction modes of China. With the development of economic construction and the increasing improvement of living standard of people in China, energy consumption becomes a great obstacle restricting the economic development of the country, and compared with other developed countries, the residential building industry of China occupies a considerable proportion in the occupation and consumption of resources and energy in China. With the increasing energy consumption of buildings, building heat preservation becomes one of the important fields for reducing energy consumption.
Under the background, in order to rapidly develop the housing construction of the house in China, the assembly type housing construction is very important in China, a series of policy and regulations are issued, the assembly type housing is forcedly pushed all around, and a hot tide for pushing the assembly type housing industrialization and housing industrial modernization is raised. In recent years, governments in China and all parts pay great attention to building energy conservation, relevant departments and organizations develop corresponding building energy conservation policies and standards, and research and development efforts in the technical fields of building heat preservation and energy conservation are increased. Sandwich wall panels have most of the advantageous features of conventional precast concrete wall panels, and are used as shear walls and load-bearing walls, and are characterized by high durability and low cost. In recent years, sandwich wall panels have become popular throughout the country due to fast installation procedures and simple construction processes.
The connection of the inner leaf wallboard and the outer leaf wallboard of the traditional sandwich wallboard at present mainly depends on adopting simple connecting pieces, the sandwich wallboard connecting pieces are used for connecting three parts of the wallboards into a whole, the loads of the outer leaf boards and the heat insulation layer are transmitted to the inner leaf boards of the sandwich wallboard, and the outer leaf boards and the concrete inner leaf and the concrete outer leaf are connected into a whole through the two ends of the sandwich wallboard connecting pieces.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a cross claw type FRP connecting piece, which solves at least one technical problem in the background technology.
(II) technical scheme
In order to achieve the purpose, the invention adopts the technical scheme that: a cross-claw FRP connector, the connector comprising:
a connecting rod;
a first limit plate;
and when the first limiting plate and the second limiting plate are arranged in a crossed and overlapped mode, the first end portion of the connecting rod can penetrate through the overlapped area of the first limiting plate and the second limiting plate.
Preferably, the end parts of the first limiting plate and the second limiting plate are provided with convex ribs.
Preferably, the first limiting plate and the second limiting plate are provided with notches.
Preferably, the end of the first limiting plate and/or the end of the second limiting plate extend inwards to form a cavity, the protruding rib is of an L-shaped structure, and the protruding rib can be inserted into the cavity.
Preferably, the first limiting plate and/or the second limiting plate are/is provided with a hole at the position of the cavity;
the convex rib is plugged into the cavity, penetrates through the hole through a bolt and is matched with the nut to realize detachable connection of the convex rib.
Preferably, the first end of the connecting rod is provided with a tooth mouth.
Preferably, the second end of connecting rod is provided with spacing arch, spacing arch can't run through the notch.
Preferably, the through notch is of a cross-shaped structure.
(III) advantageous effects
The invention provides a cross claw type FRP connecting piece, which has the following beneficial effects compared with the prior art:
1. the FRP connecting piece provided by the embodiment of the invention connects the inner leaf and the outer leaf of the sandwich wallboard into a whole, and the end part of the limiting plate is connected with the steel bar of the outer leaf plate, so that the anchoring capability of the connecting piece and concrete is greatly improved, the outer leaf plate is effectively prevented from falling off, and the safety performance of the sandwich wallboard is improved.
2. According to the FRP connecting piece provided by the embodiment of the invention, the telescopic multi-stage adjustment of the connecting piece can be realized through the matching of the limiting plate and the convex ribs, and the connection of reinforcing steel bars with different reinforcing steel bar intervals and the connecting piece is met.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a view showing a state of use of a connector according to an embodiment of the present invention;
FIG. 2 is a schematic view of the overall structure of a connector according to an embodiment of the present invention;
FIG. 3 is a schematic view of the connection of a connector to a reinforcement cage according to an embodiment of the present invention;
FIG. 4 is an exploded view of the overall structure of a connector according to an embodiment of the present invention;
FIG. 5 is a bottom view of the overall structure of a connector according to an embodiment of the present invention;
FIG. 6 is a state diagram of a second embodiment of a connector according to the present invention;
FIG. 7 is a state diagram of a third embodiment of a connector according to the present invention;
FIG. 8 is a state diagram of a fourth embodiment of a connector according to the present invention;
wherein, connecting rod 1, first limiting plate 2, fin 3, run through notch 4, second limiting plate 5, recess 6, tooth mouth 8, spacing arch 9, hole 10, nut 11, bolt 12, cavity 13.
Detailed description of the invention
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the embodiments:
as shown in fig. 1 to 8 in the specification, the invention provides a cross-claw type FRP connector, which includes a connecting rod 1, a first limiting plate 2, and a second limiting plate 5, and when the first limiting plate 2 and the second limiting plate 5 are arranged in a crossed and overlapped manner, a first end of the connecting rod 1 can penetrate through an overlapped area of the first limiting plate 2 and the second limiting plate 5. Specific as shown in fig. 2, can be with first limiting plate 2 and the perpendicular alternately of second limiting plate 5 place, can be that first limiting plate 2 places at 5 upper surfaces of second limiting plate, also second limiting plate 5 places at 2 upper surfaces of first limiting plate, then the overlapping region of first limiting plate 2 and second limiting plate 5 is run through to one end of connecting rod 1, realizes the connection of first limiting plate 2 and second limiting plate 5 through connecting rod 1. When using, the tip and the outer leaf reinforcing bar of first limiting plate 2 and second limiting plate 5 are connected, and then will be connected the outer leaf and become whole in with sandwich wallboard through the connecting piece. The anchoring capability of the connecting piece and the concrete is greatly improved, the outer leaf plates are effectively prevented from falling off, and the safety performance of the sandwich wall plate is improved.
In one embodiment, the end portions of the first limiting plate 2 and the second limiting plate 5 are provided with ribs 3, and the ribs 3 facilitate connection of the limiting plates and the outer blade steel bars. Specifically, as shown in fig. 2, the rib 3 extends toward the end of the stopper plate, and may have an L-shaped configuration.
In one embodiment, the first limiting plate 2 and the second limiting plate 5 are provided with notches 4. That is all set up on first limiting plate 2 and the second limiting plate 5 and run through notch 4, run through notch 4 promptly and run through the limiting plate, among the specific implementation process, with first limiting plate 2 with second limiting plate 5 alternately places, like both mutually perpendicular modes, places first limiting plate 2 at second limiting plate 5 upper surface, then aligns the notch 4 that runs through on first limiting plate 2 and the second limiting plate 5, and connecting rod 1 passes the notch 4 that runs through of second limiting plate 5 respectively to and the notch 4 that runs through of first limiting plate 2.
Further, as shown in fig. 6, the first limiting plate 2 is placed on the upper surface of the second limiting plate 5, a plurality of through notches 4 can be formed in the second limiting plate 5, the through notches 4 are continuously arranged, and at this time, the plurality of first limiting plates 2 can be placed on the upper surface of the second limiting plate 5. So can satisfy when single connecting piece design bearing capacity is not enough, avoid can not set up the region of connecting piece, can set up a plurality of connecting rods and satisfy the demand.
In an embodiment, a cavity 13 is formed by extending an end of the first limiting plate 2 and/or the second limiting plate 5 inward, the rib 3 is of an L-shaped structure, and the rib 3 can be inserted into the cavity 13. Through stating fin 3 can plug in to the slip grafting of cavity 13 can realize the flexible of fin 3, and then realize the regulation to the length of limiting plate, can adapt to the wallboard connection of different reinforcing bar intervals. Here and/or, there are essentially various solutions, namely a first limiting plate 2 and said second limiting plate 5, and either the first limiting plate 2 or said second limiting plate 5.
Further, the ribs 3 can be extended and retracted, and then must be fixed. That is, a fixing structure needs to be provided, and when the protruding rib 3 extends and retracts to a proper position, the protruding rib 3 and the limiting plate are fixed through the fixing structure, specifically, the invention provides a fixing method, as shown in the following embodiment:
in one embodiment, the first limiting plate 2 and/or the second limiting plate 5 are provided with holes 10 at the positions of the cavities 13;
the convex rib 3 is inserted into the cavity 13, penetrates through the hole 10 through the bolt 12 and is matched with the nut 11 to realize detachable connection of the convex rib 3. Namely, the limiting plate is continuously provided with a hole 10, and a bolt 12 passes through the hole 10 and the convex rib 3 and is matched with a nut 11 to fix the convex rib 3 at a preset position.
In one embodiment, the first end of the connecting rod 1 is provided with a toothed notch 8. As shown in fig. 2, 7 and 8, the density of the tooth openings 8 and the depth of the groove openings can be adjusted as desired.
In one embodiment, the second end of the connecting rod 1 is provided with a limiting protrusion 9, and the limiting protrusion 9 cannot penetrate through the through slot 4. That is, the first end of the connecting rod 1 passes through the limiting plate, and the limiting protrusion 9 of the second end is larger than the through notch 4, so that the second end of the connecting rod 1 cannot pass through the limiting plate.
In one embodiment, the through slot 4 is a cross-shaped structure. The corresponding connecting rod 1 is also arranged in a cross-shaped configuration adapted to the through-going slot 4.
Further, when first limiting plate 2 was placed on second limiting plate 5 upper surface, in order to make first limiting plate 2 and second limiting plate 5 can be a plane again, can place second limiting plate 5 in recess 6 at first limiting plate 2 go up recess 6.
Still further, in the above embodiment, the limiting plate is made of a metal alloy, and the connecting rod is made of an FRP material; after the FRP connecting rod is cut and formed, unnecessary parts are cut and removed by utilizing the two ends of machining equipment to form tooth openings. The FRP connecting rod and the limiting plate are combined into a whole. The invention has simple structure stress, simple and convenient construction, low price and mature manufacturing technology; the FRP material has the characteristics of high strength, low heat conductivity coefficient, difficult generation of heat bridge effect, strong corrosion resistance and the like; the connecting piece is connected with the built-in steel bars of the external wall panel through the steel plate, so that the problems of poor bonding and anchoring performance of the concrete interface of the connecting piece and the sandwich wall panel of the traditional heat-insulating wall body at present are solved.
The common metal connecting piece is easy to generate the thermal bridge effect, the limiting plate made of the metal alloy is low in heat conductivity coefficient, corrosion-resistant and high in strength, the heat conductivity coefficient of the FRP connecting rod is only 0.3-0.4, and the combination of the two different materials can meet the requirement of bearing capacity and avoid the thermal bridge effect.
In the above embodiment, in the implementation process, the specific operation steps are as follows:
step 1, laying an outer blade plate template, and arranging an outer blade plate reinforcing mesh;
and 3, inserting the FRP connecting rod into the through notch penetrating through the limiting plate to fix the position.
And 4, pouring outer blade plate concrete to a designed height.
And 5, lightly placing the heat insulation board on the inner blade concrete, lightly pressing to enable the heat insulation board to be pressed with an indentation determining position, and cutting out a connecting hole position.
And 6, after the hole sites of the insulation boards are cut, paving the insulation boards on the concrete outer leaf boards, and sealing gaps between the connecting rods and the insulation boards by utilizing polyurethane foaming glue.
And 7, paving the inner leaf plate template of the sandwich wallboard, and arranging a plurality of layers of reinforcing mesh sheets.
And 8, pouring concrete and maintaining.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A cross claw type FRP connecting member, characterized in that the connecting member comprises:
a connecting rod (1);
a first limit plate (2);
the first limiting plate (2) and the second limiting plate (5) are arranged in a crossed and overlapped mode, and the first end portion of the connecting rod (1) can penetrate through the overlapped area of the first limiting plate (2) and the second limiting plate (5).
2. The spider-type FRP connector as claimed in claim 1, wherein: the end parts of the first limiting plate (2) and the second limiting plate (5) are provided with convex ribs (3).
3. The spider-type FRP connector as claimed in claim 1, wherein: the first limiting plate (2) and the second limiting plate (5) penetrate through the notch (4).
4. The spider-type FRP connector as claimed in claim 2, wherein: the end part of the first limiting plate (2) and/or the second limiting plate (5) extends inwards to form a cavity (13), the convex rib (3) is of an L-shaped structure, and the convex rib (3) can be inserted into the cavity (13).
5. The spider-type FRP connector as claimed in claim 4, wherein: holes (10) are formed in the first limiting plate (2) and/or the second limiting plate (5) at the position of the cavity (13);
the convex rib (3) is inserted into the cavity (13), penetrates through the hole (10) through the bolt (12) and is matched with the nut (11) to realize detachable connection of the convex rib (3).
6. The spider-type FRP connector as claimed in claim 1, wherein: the first end of the connecting rod (1) is provided with a tooth opening (8).
7. The spider-type FRP connector as claimed in claim 3, wherein: the second end of connecting rod (1) is provided with spacing arch (9), spacing arch (9) can't run through notch (4).
8. The spider-type FRP connector as claimed in claim 3, wherein: the through notch (4) is of a cross-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110986396.1A CN113737961B (en) | 2021-08-26 | 2021-08-26 | Cross claw type FRP connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110986396.1A CN113737961B (en) | 2021-08-26 | 2021-08-26 | Cross claw type FRP connecting piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113737961A true CN113737961A (en) | 2021-12-03 |
| CN113737961B CN113737961B (en) | 2023-09-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110986396.1A Active CN113737961B (en) | 2021-08-26 | 2021-08-26 | Cross claw type FRP connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113737961B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115075422A (en) * | 2022-05-30 | 2022-09-20 | 长春国信装配式建筑发展有限公司 | Connecting assembly for sandwich heat-insulating wall and sandwich heat-insulating wall |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0587115U (en) * | 1992-04-30 | 1993-11-22 | 株式会社有沢製作所 | Concrete reinforcement |
| CN111335547A (en) * | 2020-03-31 | 2020-06-26 | 陈庆发 | Assembled steel reinforcement skeleton rapid prototyping overlap joint structure |
| CN111364639A (en) * | 2020-04-15 | 2020-07-03 | 青岛捷成塑金有限公司 | Locating part for superposed wall |
| CN111794445A (en) * | 2020-07-13 | 2020-10-20 | 沈阳建筑大学 | Ring-type FRP connecting piece and using method thereof |
| CN113202193A (en) * | 2021-04-30 | 2021-08-03 | 安徽建筑大学 | Prefabricated concrete sandwich heat preservation wallboard connecting piece |
-
2021
- 2021-08-26 CN CN202110986396.1A patent/CN113737961B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0587115U (en) * | 1992-04-30 | 1993-11-22 | 株式会社有沢製作所 | Concrete reinforcement |
| CN111335547A (en) * | 2020-03-31 | 2020-06-26 | 陈庆发 | Assembled steel reinforcement skeleton rapid prototyping overlap joint structure |
| CN111364639A (en) * | 2020-04-15 | 2020-07-03 | 青岛捷成塑金有限公司 | Locating part for superposed wall |
| CN111794445A (en) * | 2020-07-13 | 2020-10-20 | 沈阳建筑大学 | Ring-type FRP connecting piece and using method thereof |
| CN113202193A (en) * | 2021-04-30 | 2021-08-03 | 安徽建筑大学 | Prefabricated concrete sandwich heat preservation wallboard connecting piece |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115075422A (en) * | 2022-05-30 | 2022-09-20 | 长春国信装配式建筑发展有限公司 | Connecting assembly for sandwich heat-insulating wall and sandwich heat-insulating wall |
| CN115075422B (en) * | 2022-05-30 | 2023-10-03 | 长春国信装配式建筑发展有限公司 | Connecting assembly for sandwich heat-insulating wall and sandwich heat-insulating wall |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113737961B (en) | 2023-09-05 |
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