CN105799189B - It is a kind of for hooked connections of prefabricated sandwich heat preserving wall body and preparation method thereof - Google Patents
It is a kind of for hooked connections of prefabricated sandwich heat preserving wall body and preparation method thereof Download PDFInfo
- Publication number
- CN105799189B CN105799189B CN201610292039.4A CN201610292039A CN105799189B CN 105799189 B CN105799189 B CN 105799189B CN 201610292039 A CN201610292039 A CN 201610292039A CN 105799189 B CN105799189 B CN 105799189B
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- Prior art keywords
- connector
- wall body
- preserving wall
- heat preserving
- sandwich heat
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
- B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
-
- 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
-
- 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
Abstract
The invention discloses a kind of for hooked connections of prefabricated sandwich heat preserving wall body and preparation method thereof, connector includes steel core and fibre resin surrounding layer；The steel core is High tensile indented steel wire or Ribbed Bar, and outer surface is uneven in rule shape, and one end is bent to hook-type, and the other end is straight；The fibre resin surrounding layer includes connector and locating ring；The locating ring is arranged between the epimere of connector and stage casing；The positioning anchor ring is crossed to form direct plugging-in connector with being connected perpendicular 90 ° of body axis, and positioning anchor ring is crossed to form oblique cutting type connector with being connected body axis in 45 °.Connector of the present invention is made of that chopped strand and resin are used together BMC or SMC moulding process with steel core for the bulk or sheet molding compound of primary raw material, the connector shearing resistance and anti-pulling ability height, heat transfer coefficient are small, the connection available for the inside and outside leaf concrete slab of precast concrete sandwich heat preserving wall body.
Description
Technical field
The invention belongs to construction engineering technical fields, and in particular to a kind of hook-type for prefabricated sandwich heat preserving wall body connects
Part and preparation method thereof.
Background technology
With the propulsion of assembled architecture process and the popularization of building energy conservation green construction, precast construction obtains increasingly wider
Energy saving general application, wherein wall are the key that realize green building, have good development prospect.Heat-preserving wall is as energy saving
Wall has widely been promoted in building field.At present, in engineering common heat-preserving wall include inside holding, external thermal insulation and
Three kinds of sandwich heat preserving wall body.Inside heat insulation wall body is unfavorable for interior decoration, fragile.There is fire prevention, exterior rendering and structure in external thermal insulation
The problems such as different service life.Sandwich heat preserving wall body is between thermal insulation material is placed in interior siphonal lobe concrete panel, to pass through connector handle
Interior siphonal lobe wallboard and thermal insulation material are connected as one, can effectively prevent the influence of external environment and interior decoration, it can be achieved that with knot
The structure same service life is the main direction of development of building external wall energy-saving thermal insulation structure from now on.
Connector is the critical component of siphonal lobe concrete slab and thermal insulation board in connection sandwich heat preserving wall body, while is resistant to certainly
Under heavy load under shearing strength between layers and wind load pressure critical component.Well known domestic and international application is sandwich in precast concrete
Connector in heat-preserving wall mainly has regular reinforcement connector, stainless steel adapting piece and continuous fiber plastic fastening.These
There are problems for connector：Though rebar connector is cheap, thermal conductivity factor is high, there is " heat bridge " effect, influences wall
Heat insulation effect, corrosion resistance is poor, easily causes wallboard security risk；Though stainless steel adapting piece thermal conductivity factor is lower than reinforcing bar, into
Ben Taigao；Continuous fiber plastics (FRP) though connector has many advantages, such as that tensile strength is high, corrosion resistance is strong, heat transfer coefficient is small,
Its shearing strength is low, and anti-pull-out property is poor, there is certain safe handling risk.
The shape of connector mainly has rodlike, sheet and the lattice several.But it has some disadvantages, specific manifestation
For：Straight is rodlike poor with the shearing resistance effect of sheet, and anchoring property is poor；The installation of lattice shape is complicated, low construction efficiency, material utilization amount
Greatly, price height etc..
The content of the invention
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of hook-type company for prefabricated sandwich heat preserving wall body
Fitting and preparation method thereof.
The technical solution adopted by the present invention is：A kind of hooked connections for prefabricated sandwich heat preserving wall body, the connection
Part cross-sectional shape is circle, is arranged on the internal lobe concrete panel, insulating layer and siphonal lobe concrete of prefabricated sandwich heat preserving wall body
Among wallboard, connector includes steel core and fibre resin surrounding layer；
The steel core is High tensile indented steel wire or Ribbed Bar, and outer surface is uneven in rule shape, and one end is bent to hook
Shape, the other end are straight；By chopped strand and resin for the bulk or sheet molding compound and steel core of main material be used together BMC or
SMC moulding process is molded；Hook end is remarkably improved anchoring property of the connector in outer impeller concrete, while can reduce outer
The thickness of impeller, straight shaped end can quick penetration thermal insulation board insertion internal lobe concrete slab, save man-hour reduce cost；
The fibre resin surrounding layer includes connector and locating ring；
The connector is divided into three sections, and epimere and hypomere are located at siphonal lobe concrete panel and internal lobe concrete panel respectively
It is interior, it is formed by connecting for multiple frustums of a cone；Stage casing is helical teeth changeover portion, in insulating layer；Stage casing is equipped with and insulation layer thickness phase
The helical teeth rough surface of adaptation effectively enhances the wedge action of connector and thermal insulation board；
The locating ring is arranged between the epimere of connector and stage casing；Locating ring is once pressed into together with connector
Type, and be arranged at the top of the helical teeth section at middle part, positioned at crotch neck lower end, facilitate in connector insertion thermal insulation board and position fixed length
Installation；
The connector is divided into direct plugging-in connector and oblique cutting type connector, and the positioning anchor ring is with being connected body axis in vertical
0 ° of Helicopter-9 is crossed to form direct plugging-in connector, and positioning anchor ring is crossed to form oblique cutting type connector with being connected body axis in 45 °.Straight cutting
Type connector and oblique cutting type connector are applied in combination, and form space load system.The connector of straight cutting is primarily subjected to from wind lotus
The horizontal direction pressure of load, the connector of oblique cutting are primarily subjected to the vertical direction shearing force of outer impeller dead weight, and the stress division of labor is bright
Really, the mechanical property of combined connection component can be given full play to, the overall work of siphonal lobe wallboard and thermal insulation board is used with raising in guarantee
In the security of external wall of high-rise building plate.
Preferably, the crotch angle c of the steel core is 45 °~90 °.
Preferably, the taper of the frustum of a cone is 1:10~1:6.
Preferably, the locating ring is the Thin ring plate of 2~4mm of thickness and a diameter of 20~40mm.
Preferably, the frustum of a cone, which is reduced in end alignment concrete slab, extracts direction, the alignment of frustum of a cone bellend prevents
Extract direction.
Preferably, the helical teeth changeover portion outer diameter is slightly larger than connector, length is slightly less than heat preservation plate thickness, and helical teeth is saw
Tooth form, bevel direction is along insertion thermal insulation board direction.
A kind of production method of the above-mentioned hooked connections for prefabricated sandwich heat preserving wall body, comprises the following steps：
Step 1: the molding mold of compacting is processed according to the appearance and size of connector according to drawing；
Step 2: chopped strand and resin are prepared for the bulk or sheet molding compound of main material；
It is Step 3: High tensile indented steel wire or Ribbed Bar one end is curved for cutting die after hook-type；
It is fixed Step 4: hook-type steel core is positioned over mold center, bulk or sheet molding compound is put into and are heated to specify
In the mold of temperature, it is molded using BMC or SMC moulding process；
Step 5: the prefabricated sandwich heat preserving wall body connector processed is taken out after cooling.
For patent of the present invention using the rough High tensile indented steel wire of outer surface rule shape or Ribbed Bar as inner core, outsourcing is fine
Resin bed composition NEW TYPE OF COMPOSITE connector is tieed up, anti-pulling and the shearing strength for effectively utilizing inner core high tensile steel wire or reinforcing bar are high
Characteristic, and the advantages of combine the low heat transfer corrosion resistance and good of the fibre resin of outsourcing, respective shortcoming has been abandoned, effectively solve
Connector key issue between impeller inside and outside known precast concrete sandwich heat preservation wallboard.
Patent design of the present invention is the new hooked connections of one end hook-type one end straight, can setting according to different parts
Meter requirement, by connector straight cutting and oblique cutting organic assembling, and the surface that connector is anchored in concrete slab forms multiple cones
Platform effectively improves connector shear behavior and anti-pulling anchoring property, significantly enhances the overall work of sandwich heat preserving wall body
Can, securely and reliably, facilitate installation, improve construction efficiency.
In use, helical teeth part is located in insulating layer on connector, hook end is located in siphonal lobe concrete panel the present invention,
To improve anchoring property of the connector in siphonal lobe concrete slab, prevent outer impeller from falling；Straight shaped end is located at internal lobe concrete walls
In plate, length of the straight end in concrete slab meets anchorage length requirement.
The beneficial effects of the present invention are：
(1) connecting-piece structure of the present invention is simple, make quick, shearing strength and resistance to plucking output capacity is high, system of conducting heat
Count low, corrosion resistance and good, small, light weight, at low cost, easy for construction, service life is long.
(2) connector one end of the present invention is designed as hook-type, and connection anchoring effect is good, while can greatly reduce siphonal lobe
The thickness of wallboard, saving material reduces cost；The other end is straight, can quick penetration thermal insulation board insertion concrete, save man-hour
Reduce cost.Connector is arranged by the way of straight cutting and oblique cutting combination, and stress is clear and definite, has space load effect, can be effective
Ensure the integral working of wall and wallboard usage safety performance.
Description of the drawings
Fig. 1 is the structure diagram of direct plugging-in hooked connections of the present invention；
Fig. 2 is the structure diagram of oblique cutting type hooked connections of the present invention；
Fig. 3 is A-A cross-section diagrams in Fig. 1 and Fig. 2；
Fig. 4 is the installation constitution figure of direct plugging-in and the new hooked connections of oblique cutting type in prefabricated sandwich heat preserving wall body.
Figure label：1 be steel core, 2 be fibre resin surrounding layer, 3 be connector, 4 be locating ring, 5 be helical teeth changeover portion,
6 it is internal lobe concrete panel, 7 be insulating layer, 8 is siphonal lobe concrete panel.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
As shown in Figs 1-4, a kind of hooked connections for prefabricated sandwich heat preserving wall body, the connector cross-sectional shape
For circle, it is arranged among the internal lobe concrete panel 6, insulating layer 7 and siphonal lobe concrete panel 8 of prefabricated sandwich heat preserving wall body,
Connector includes steel core 1 and fibre resin surrounding layer 2；
The steel core 1 is High tensile indented steel wire or Ribbed Bar, and outer surface is uneven in rule shape, and one end is bent to hook
Shape, the other end are straight；
The fibre resin surrounding layer 2 includes connector 3 and locating ring 4；The connector 3 divides for three sections, and epimere is under
Section is located in siphonal lobe concrete panel 8 and internal lobe concrete panel 6 respectively, is formed by connecting for multiple frustums of a cone；Stage casing is helical teeth
Changeover portion 5, in insulating layer 7；The locating ring 4 is arranged between epimere and the stage casing of connector 3；
The connector is divided into direct plugging-in connector and oblique cutting type connector, and 4 face of locating ring is in 3 axis of connector
Vertical 90 ° are crossed to form direct plugging-in connector, and 4 face of locating ring is crossed to form oblique cutting type connector with 3 axis of connector in 45 °.
The crotch angle c of the steel core 1 is 45 °~90 °.The taper of the frustum of a cone is 1:10~1:6.The circle
Frustum, which is reduced in end alignment concrete slab, extracts direction, and the alignment of frustum of a cone bellend prevents to extract direction.The locating ring 4 is thickness
Spend the Thin ring plate of 2~4mm and a diameter of 20~40mm.5 outer diameter of helical teeth changeover portion is slightly larger than connector 3, and length is omited
Less than 7 thickness of thermal insulation board, helical teeth is zigzag, and bevel direction is along 7 direction of insertion thermal insulation board.
A kind of production method of the above-mentioned hooked connections for prefabricated sandwich heat preserving wall body, comprises the following steps：
Step 1: the molding mold of compacting is processed according to the appearance and size of connector according to drawing；
Step 2: chopped strand and resin are prepared for the bulk or sheet molding compound of main material；
It is Step 3: High tensile indented steel wire or Ribbed Bar one end is curved for cutting die after hook-type；
It is fixed Step 4: hook-type steel core is positioned over mold center, bulk or sheet molding compound is put into and are heated to specify
In the mold of temperature, it is molded using BMC or SMC moulding process；
Step 5: the prefabricated sandwich heat preserving wall body connector processed is taken out after cooling.
Elder generation's assembling reinforcement casting concrete Inner leaf wallboards during use, and Fast Installation insulating layer, will before concrete initial set
Hooked connections straight shaped end by design position requirement it is vertical or it is oblique 45 ° through insulating layer insertion internal lobe concrete panel in, make company
Helical teeth changeover portion on junctor is located in insulating layer, and locating ring is made to be stuck in thermal insulation board outer surface and is adjacent to；Bar-mat reinforcement is installed and is poured
Siphonal lobe concrete panel is built, it is finally, i.e. complete after internal lobe concrete panel and siphonal lobe concrete panel conserve design strength
It is made into wall.
It should be pointed out that for those skilled in the art, without departing from the principle of the present invention,
Several improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention.In the present embodiment not
The available prior art of specific each component is realized.
Claims (2)
1. a kind of hooked connections for prefabricated sandwich heat preserving wall body, it is characterised in that：The connector cross-sectional shape is
Circle is arranged among the internal lobe concrete panel, insulating layer and siphonal lobe concrete panel of prefabricated sandwich heat preserving wall body, connector
Including steel core and fibre resin surrounding layer；
The steel core is High tensile indented steel wire or Ribbed Bar, and outer surface is uneven in rule shape, and one end is bent to hook-type, separately
One end is straight；
The fibre resin surrounding layer includes connector and locating ring；The connector is divided into three sections, and epimere and hypomere distinguish position
In in siphonal lobe concrete panel and internal lobe concrete panel, it is formed by connecting for multiple frustums of a cone；Stage casing is helical teeth changeover portion, is located at
In insulating layer；The locating ring is arranged between the epimere of connector and stage casing；
The connector is divided into direct plugging-in connector and oblique cutting type connector, and the positioning anchor ring is perpendicular with being connected body axis
90 ° are crossed to form direct plugging-in connector, and positioning anchor ring is crossed to form oblique cutting type connector with being connected body axis in 45 °；
The crotch angle c of the steel core is 45 °~90 °；
The taper of the frustum of a cone is 1:10~1:6；
The locating ring is the Thin ring plate of 2~4mm of thickness and a diameter of 20~40mm；
The frustum of a cone, which is reduced in end alignment concrete slab, extracts direction, and the alignment of frustum of a cone bellend prevents to extract direction；
The helical teeth changeover portion outer diameter is more than connector, and length is less than heat preservation plate thickness, and helical teeth is zigzag, bevel direction along
It is inserted into thermal insulation board direction.
2. a kind of production method of hooked connections for prefabricated sandwich heat preserving wall body according to claim 1, special
Sign is：
Step 1: the molding mold of compacting is processed according to the appearance and size of connector according to drawing；
Step 2: chopped strand and resin are prepared for the bulk or sheet molding compound of main material；
It is Step 3: High tensile indented steel wire or Ribbed Bar one end is curved for cutting die after hook-type；
It is fixed Step 4: hook-type steel core is positioned over mold center, bulk or sheet molding compound is put into and are heated in mold, is adopted
It is molded with BMC or SMC moulding process；
Step 5: the prefabricated sandwich heat preserving wall body connector processed is taken out after cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610292039.4A CN105799189B (en) | 2016-05-05 | 2016-05-05 | It is a kind of for hooked connections of prefabricated sandwich heat preserving wall body and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610292039.4A CN105799189B (en) | 2016-05-05 | 2016-05-05 | It is a kind of for hooked connections of prefabricated sandwich heat preserving wall body and preparation method thereof |
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| Publication Number | Publication Date |
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| CN105799189A CN105799189A (en) | 2016-07-27 |
| CN105799189B true CN105799189B (en) | 2018-05-18 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106193375A (en) * | 2016-08-01 | 2016-12-07 | 中国十七冶集团有限公司 | The out-hung panel shear connector at winged angle |
| CN106522654B (en) * | 2016-12-26 | 2022-11-29 | 王福全 | Temporary anchoring fixing device for construction and temporary protective railing fixing support leg |
| CN109252592A (en) * | 2018-11-09 | 2019-01-22 | 中国建筑标准设计研究院有限公司 | A kind of rodlike connector and heat-preserving wall and its construction method |
| CN109356320B (en) * | 2018-11-27 | 2021-06-08 | 东南大学 | Composite connecting piece for prefabricated sandwich heat-insulation wall board and preparation method |
| CN110093998A (en) * | 2019-06-13 | 2019-08-06 | 南京工业大学 | A kind of composite connector and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202390952U (en) * | 2011-12-20 | 2012-08-22 | 北京万科企业有限公司 | Connector for prefabricated sandwich heat-insulating walls |
| CN102979219A (en) * | 2012-12-19 | 2013-03-20 | 沈阳建筑大学 | Connecting structure for inner wall and outer wall of sandwich heat insulating outer wallboard |
| CN202850342U (en) * | 2012-09-12 | 2013-04-03 | 中国京冶工程技术有限公司 | Insulation sandwich wallboard connector |
| CN205705360U (en) * | 2016-05-05 | 2016-11-23 | 南京锋晖复合材料有限公司 | A kind of hooked connections for prefabricated sandwich heat preserving wall body |
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2016
- 2016-05-05 CN CN201610292039.4A patent/CN105799189B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202390952U (en) * | 2011-12-20 | 2012-08-22 | 北京万科企业有限公司 | Connector for prefabricated sandwich heat-insulating walls |
| CN202850342U (en) * | 2012-09-12 | 2013-04-03 | 中国京冶工程技术有限公司 | Insulation sandwich wallboard connector |
| CN102979219A (en) * | 2012-12-19 | 2013-03-20 | 沈阳建筑大学 | Connecting structure for inner wall and outer wall of sandwich heat insulating outer wallboard |
| CN205705360U (en) * | 2016-05-05 | 2016-11-23 | 南京锋晖复合材料有限公司 | A kind of hooked connections for prefabricated sandwich heat preserving wall body |
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| CN105799189A (en) | 2016-07-27 |
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Effective date of registration: 20211022 Address after: 211100 Room 202, building 42, Mingyue garden, Dongshan street, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Shen Feng Patentee after: Guo Zhengxing Address before: 211124 No. 20, 100 Road, Tu Yuan Industrial Park, Jiangning District, Jiangsu, Nanjing Patentee before: NANJING FENGHUI COMPOSITE MATERIAL Co.,Ltd. Patentee before: Guo Zhengxing |