CN105799189A - Hook-shaped connecting part for prefabricated sandwich insulation wall and manufacturing method of hook-shaped connecting part - Google Patents
Hook-shaped connecting part for prefabricated sandwich insulation wall and manufacturing method of hook-shaped connecting part Download PDFInfo
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- CN105799189A CN105799189A CN201610292039.4A CN201610292039A CN105799189A CN 105799189 A CN105799189 A CN 105799189A CN 201610292039 A CN201610292039 A CN 201610292039A CN 105799189 A CN105799189 A CN 105799189A
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- China
- Prior art keywords
- connector
- connecting part
- hook
- steel core
- wall body
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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
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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
- E04B1/18—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
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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
Abstract
The invention discloses a hook-shaped connecting part for a prefabricated sandwich insulation wall and a manufacturing method of the hook-shaped connecting part. The connecting part comprises a steel core and a fiber resin external wrapping layer; the steel core is a high-strength indented wire or ribbed bar, the outer surface of the steel core is regularly uneven, one end of the steel core is bent to be in a hook shape, and the other end of the steel core is in a straight shape; the fiber resin external wrapping layer comprises a connecting body and a positioning ring; and the positioning ring is arranged between the upper segment and the middle segment of the connecting body, the face of the positioning ring and the axis of the connecting body are in vertical 90-degree crossing to form a vertical inserting type connecting part, and the face of the positioning ring and the axis of the connecting body are in 45-degree crossing to form an inclined inserting type connecting part. The connecting part is formed by bulk or sheet molding compounds with chopped fibers and resin as main raw materials and the steel core jointly through the BMC or SMC forming technology, and the connecting part is high in shear resistance and drawing resistance capacity, and small in heat transfer coefficient and can be used for connection of concrete plates inside and outside the prefabricated concrete sandwich insulation wall.
Description
Technical field
The invention belongs to construction engineering technical field, be specifically related to a kind of hooked connections for prefabricated sandwich heat preserving wall body and preparation method thereof.
Background technology
Along with the popularization of the propelling of assembled architecture process and building energy conservation green construction, precast construction is increasingly widely applied, and wherein body of wall is energy-conservation is the key realizing green building, has good development prospect.Heat-preserving wall is promoted at building field widely as energy-saving wall.At present, conventional in engineering heat-preserving wall includes inside holding, external thermal insulation and sandwich heat preserving wall body three kinds.Inside heat insulation wall body is unfavorable for interior decoration, fragile.There is the problems such as fire prevention, exterior rendering and structure different life-spans in external thermal insulation.Sandwich heat preserving wall body is to be placed in by insulation material between interior siphonal lobe concrete panel, by connector, interior siphonal lobe wallboard and insulation material are connected as one, can effectively prevent the impact of external environment condition and inside fitting, the life-span same with structure can be realized, be the main development direction of building external wall energy-saving thermal insulation structure from now on.
Connector is the critical component connecting sandwich heat preserving wall inside and outside leaf concrete slab and warming plate, is resistant under gravity load shearing strength between layers and the critical component of pressure under wind load simultaneously.Known domestic and international application connector in precast concrete sandwich heat preserving wall body mainly has regular reinforcement connector, stainless steel adapting piece and continuous fiber plastic fastening.There are problems in these connectors: though rebar connector is cheap, but heat conductivity is high, there is " heat bridge " effect, affects wall thermal insulating effect, and corrosion resistance is poor, easily causes wallboard potential safety hazard；Though stainless steel adapting piece heat conductivity is lower than reinforcing bar, but cost is too high；Continuous fiber plastics (FRP) are though connector has the advantages such as tensile strength height, corrosion resistance is strong, heat transfer coefficient is little, but its shearing strength is low, and anti-pull-out property is poor, has certain safe handling risk.
The shape of connector mainly has bar-shaped, lamellar and lattice several.But all there is certain shortcoming, be embodied in: the bar-shaped shearing resistance weak effect with lamellar of straight, anchoring property is poor；Lattice shape installs complexity, and efficiency of construction is low, and material usage is big, and price is high.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of hooked connections for prefabricated sandwich heat preserving wall body and preparation method thereof.
The technical solution used in the present invention is: a kind of hooked connections for prefabricated sandwich heat preserving wall body, described connector shape of cross section is circular, being arranged among the internal lobe concrete panel of prefabricated sandwich heat preserving wall body, heat-insulation layer and siphonal lobe concrete panel, connector includes steel core and fibre resin surrounding layer；
Described steel core is High tensile indented steel wire or Ribbed Bar, and outer surface is that rule shape is uneven, and one end is bent to hook-type, and the other end is straight；Chopped strand is adopted BMC or SMC moulding process molding with the bulk that resin is main material or sheet molding compound together with steel core；Hook end is remarkably improved the anchoring property in connector impeller concrete outside, can reduce the thickness of outer impeller simultaneously, and straight shaped end can insert internal lobe concrete slab by quick penetration warming plate, saves man-hour and reduces cost；
Described fibre resin surrounding layer includes connector and locating ring；
Described connector is divided into three sections, and epimere and hypomere lay respectively in siphonal lobe concrete panel and internal lobe concrete panel, are formed by connecting for multiple frustums of a cone；Stage casing is helical teeth changeover portion, is positioned at heat-insulation layer；Stage casing is provided with the helical teeth matsurface adapted with insulation layer thickness, effectively strengthens the wedge action of connector and warming plate；
Described locating ring is arranged between the epimere of connector and stage casing；Locating ring is together once compressing with connector, and is arranged at the helical teeth section top at middle part, is positioned at crotch cervical region lower end, facilitates connector to insert in warming plate and positions fixed length and installs；
Described connector is divided into direct plugging-in connector and oblique cutting type connector, and perpendicular with connector axis 90 ° of described location anchor ring is crossed to form direct plugging-in connector, and location anchor ring is 45 ° with connector axis and is crossed to form oblique cutting type connector.Direct plugging-in connector and the combination of oblique cutting type connector use, and form space load system.The connector of straight cutting is primarily subjected to the horizontal direction pressure from wind load, the connector of oblique cutting is primarily subjected to the vertical direction shearing force of outer impeller deadweight, the stress division of labor is clearly, the mechanical property of combined connection component can be given full play to, it is ensured that the overall work of interior siphonal lobe wallboard and warming plate and raising are used for the safety of external wall of high-rise building plate.
As preferably, the crotch angle c of described steel core is 45 °～90 °.
As preferably, the tapering of the described frustum of a cone is 1:10～1:6.
As preferably, described locating ring is thickness 2～4mm and diameter is the Thin ring plate of 20～40mm.
As preferably, the described frustum of a cone reduces in end alignment concrete slab extracts direction, and direction is extracted in the alignment prevention of frustum of a cone bellend.
As preferably, described helical teeth changeover portion external diameter is slightly larger than connector, and length is slightly less than warming plate thickness, and helical teeth is zigzag, and bevel direction is along inserting warming plate direction.
The manufacture method of a kind of above-mentioned hooked connections for prefabricated sandwich heat preserving wall body, comprises the following steps:
Step one, the matched moulds mould suppressed according to the overall dimensions processing of connector according to drawing；
Step 2, chopped strand and bulk that resin is main material or sheet molding compound are prepared；
Step 3, by curved to High tensile indented steel wire or Ribbed Bar one end for cutting die after hook-type；
Step 4, hook-type steel core is positioned over mold center fixes, bulk or sheet molding compound are put in the mould being heated to assigned temperature, adopt BMC or SMC moulding process molding；
Take out, after step 5, cooling, the prefabricated sandwich heat preserving wall body connector obtaining processing.
Patent of the present invention is with the outer surface rough High tensile indented steel wire of rule shape or Ribbed Bar for inner core, outer wrapping fiber resin bed composition NEW TYPE OF COMPOSITE connector, effectively utilize the anti-pulling of inner core high tensile steel wire or reinforcing bar and the characteristic that shearing strength is high, and the advantage combining the low heat transfer corrosion resistance and good of the fibre resin of outsourcing, abandon respective shortcoming, efficiently solve inside and outside known precast concrete sandwich heat preservation wallboard connector key issue between impeller.
Patent design of the present invention is the novel hooked connections of hook-type one end, one end straight, can according to the designing requirement of different parts, by connector straight cutting and oblique cutting organic assembling, and the surface being anchored in by connector in concrete slab forms multiple frustum, it is effectively improved connector shear behavior and anti-pulling anchoring property, significantly strengthens the integral working of sandwich heat preserving wall body, safe and reliable, convenient installation, improves efficiency of construction.
When the present invention uses, on connector, helical teeth part is positioned at heat-insulation layer, and hook end is positioned at siphonal lobe concrete panel, to improve connector anchoring property in siphonal lobe concrete slab, it is prevented that outer impeller falls；Straight shaped end is positioned at internal lobe concrete panel, and straight end length in concrete slab meets anchorage length requirement.
The beneficial effects of the present invention is:
(1) connecting-piece structure that the present invention relates to is simple, make quick, shearing strength and resistance to plucking output capacity is high, heat transfer coefficient is low, corrosion resistance and good, volume are little, light weight, cost are low, easy construction, long service life.
(2) the connector one end that the present invention relates to is designed as hook-type, connects anchoring effect good, can be greatly reduced the thickness of siphonal lobe wallboard simultaneously, saves material and reduces cost；The other end is straight, can insert concrete by quick penetration warming plate, save man-hour and reduce cost.The mode adopting straight cutting and oblique cutting combination arranges connector, and stress is clear and definite, has space load effect, can effectively ensure that the integral working of body of wall and wallboard usage safety performance.
Accompanying drawing explanation
Fig. 1 is the structural representation of direct plugging-in hooked connections of the present invention；
Fig. 2 is the structural representation of oblique cutting type hooked connections of the present invention；
Fig. 3 is A-A sectional drawing in Fig. 1 and Fig. 2；
Fig. 4 is direct plugging-in and oblique cutting type novel hooked connections installation constitution figure in prefabricated sandwich heat preserving wall body.
Number in the figure: 1 be steel core, 2 be fibre resin surrounding layer, 3 be connector, 4 be locating ring, 5 be helical teeth changeover portion, 6 be internal lobe concrete panel, 7 be heat-insulation layer, 8 for siphonal lobe concrete panel.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
As Figure 1-4, a kind of hooked connections for prefabricated sandwich heat preserving wall body, described connector shape of cross section is circular, is arranged among the internal lobe concrete panel 6 of prefabricated sandwich heat preserving wall body, heat-insulation layer 7 and siphonal lobe concrete panel 8, and connector includes steel core 1 and fibre resin surrounding layer 2；
Described steel core 1 is High tensile indented steel wire or Ribbed Bar, and outer surface is that rule shape is uneven, and one end is bent to hook-type, and the other end is straight；
Described fibre resin surrounding layer 2 includes connector 3 and locating ring 4；Described connector 3 is divided into three sections, and epimere and hypomere lay respectively in siphonal lobe concrete panel 8 and internal lobe concrete panel 6, are formed by connecting for multiple frustums of a cone；Stage casing is helical teeth changeover portion 5, is positioned at heat-insulation layer 7；Described locating ring 4 is arranged between epimere and the stage casing of connector 3；
Described connector is divided into direct plugging-in connector and oblique cutting type connector, and perpendicular with connector 3 axis 90 ° of described locating ring 4 is crossed to form direct plugging-in connector, and locating ring 4 and connector 3 axis are 45 ° and are crossed to form oblique cutting type connector.
The crotch angle c of described steel core 1 is 45 °～90 °.The tapering of the described frustum of a cone is 1:10～1:6.The described frustum of a cone reduces in end alignment concrete slab extracts direction, and direction is extracted in the alignment prevention of frustum of a cone bellend.Described locating ring 4 is thickness 2～4mm and diameter is the Thin ring plate of 20～40mm.Described helical teeth changeover portion 5 external diameter is slightly larger than connector 3, and length is slightly less than warming plate 7 thickness, and helical teeth is zigzag, and bevel direction is along inserting warming plate 7 direction.
The manufacture method of a kind of above-mentioned hooked connections for prefabricated sandwich heat preserving wall body, comprises the following steps:
Step one, the matched moulds mould suppressed according to the overall dimensions processing of connector according to drawing；
Step 2, chopped strand and bulk that resin is main material or sheet molding compound are prepared；
Step 3, by curved to High tensile indented steel wire or Ribbed Bar one end for cutting die after hook-type；
Step 4, hook-type steel core is positioned over mold center fixes, bulk or sheet molding compound are put in the mould being heated to assigned temperature, adopt BMC or SMC moulding process molding；
Take out, after step 5, cooling, the prefabricated sandwich heat preserving wall body connector obtaining processing.
Elder generation's assembling reinforcement casting concrete leaf wallboard during use, and Fast Installation heat-insulation layer, before concrete initial set, hooked connections straight shaped end is inserted in internal lobe concrete panel by vertical or oblique 45 ° of design attitude requirement through heat-insulation layer, make the helical teeth changeover portion on connector be positioned at heat-insulation layer, make locating ring be stuck in warming plate outer surface and be adjacent to；Bar-mat reinforcement it is installed and builds siphonal lobe concrete panel, finally, after design strength, namely completing body of wall making until internal lobe concrete panel and the equal maintenance of siphonal lobe concrete panel.
It should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.The all available prior art of each ingredient not clear and definite in the present embodiment is realized.
Claims (7)
1. the hooked connections for prefabricated sandwich heat preserving wall body, it is characterized in that: described connector shape of cross section is circle, being arranged among the internal lobe concrete panel of prefabricated sandwich heat preserving wall body, heat-insulation layer and siphonal lobe concrete panel, connector includes steel core and fibre resin surrounding layer；
Described steel core is High tensile indented steel wire or Ribbed Bar, and outer surface is that rule shape is uneven, and one end is bent to hook-type, and the other end is straight；
Described fibre resin surrounding layer includes connector and locating ring；Described connector is divided into three sections, and epimere and hypomere lay respectively in siphonal lobe concrete panel and internal lobe concrete panel, are formed by connecting for multiple frustums of a cone；Stage casing is helical teeth changeover portion, is positioned at heat-insulation layer；Described locating ring is arranged between the epimere of connector and stage casing；
Described connector is divided into direct plugging-in connector and oblique cutting type connector, and perpendicular with connector axis 90 ° of described location anchor ring is crossed to form direct plugging-in connector, and location anchor ring is 45 ° with connector axis and is crossed to form oblique cutting type connector.
2. a kind of hooked connections for prefabricated sandwich heat preserving wall body according to claim 1, it is characterised in that: the crotch angle c of described steel core is 45 °～90 °.
3. a kind of hooked connections for prefabricated sandwich heat preserving wall body according to claim 1, it is characterised in that: the tapering of the described frustum of a cone is 1:10～1:6.
4. a kind of hooked connections for prefabricated sandwich heat preserving wall body according to claim 1, it is characterised in that: described locating ring is thickness 2～4mm and diameter is the Thin ring plate of 20～40mm.
5. a kind of hooked connections for prefabricated sandwich heat preserving wall body according to claim 1, it is characterised in that: the described frustum of a cone reduces in end alignment concrete slab extracts direction, and direction is extracted in the alignment prevention of frustum of a cone bellend.
6. a kind of hooked connections for prefabricated sandwich heat preserving wall body according to claim 1, it is characterised in that: described helical teeth changeover portion external diameter is more than connector, and length is less than warming plate thickness, and helical teeth is zigzag, and bevel direction is along inserting warming plate direction.
7. the manufacture method of a kind of hooked connections for prefabricated sandwich heat preserving wall body according to claim 1,2,3,4,5 or 6, it is characterised in that:
Step one, the matched moulds mould suppressed according to the overall dimensions processing of connector according to drawing；
Step 2, chopped strand and bulk that resin is main material or sheet molding compound are prepared；
Step 3, by curved to High tensile indented steel wire or Ribbed Bar one end for cutting die after hook-type；
Step 4, hook-type steel core is positioned over mold center fixes, bulk or sheet molding compound are put into and is heated in mould, adopt BMC or SMC moulding process molding；
Take out, after step 5, cooling, the prefabricated sandwich heat preserving wall body connector obtaining processing.
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| 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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| Application Number | Priority Date | Filing Date | Title |
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| 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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| CN105799189A true CN105799189A (en) | 2016-07-27 |
| CN105799189B CN105799189B (en) | 2018-05-18 |
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Cited By (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 |
| CN106522654A (en) * | 2016-12-26 | 2017-03-22 | 王福全 | Temporary anchoring fixing device for construction and temporary protective barrier fixing supporting foot |
| 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 |
| CN109356320A (en) * | 2018-11-27 | 2019-02-19 | 东南大学 | A kind of composite connector and preparation method for prefabricated sandwich heat preservation wallboard |
| CN110093998A (en) * | 2019-06-13 | 2019-08-06 | 南京工业大学 | A kind of composite connector and preparation method thereof |
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| 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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- 2016-05-05 CN CN201610292039.4A patent/CN105799189B/en active Active
Patent Citations (4)
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| 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 |
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Cited By (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 |
| CN106522654A (en) * | 2016-12-26 | 2017-03-22 | 王福全 | Temporary anchoring fixing device for construction and temporary protective barrier fixing supporting foot |
| 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 |
| CN109356320A (en) * | 2018-11-27 | 2019-02-19 | 东南大学 | A kind of composite connector and preparation method for prefabricated sandwich heat preservation wallboard |
| CN110093998A (en) * | 2019-06-13 | 2019-08-06 | 南京工业大学 | A kind of composite connector and preparation method thereof |
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| CN105799189B (en) | 2018-05-18 |
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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 |