CN103480775A - Tensioning device for carbon fibers in precast parts - Google Patents

Tensioning device for carbon fibers in precast parts Download PDF

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Publication number
CN103480775A
CN103480775A CN201310427466.5A CN201310427466A CN103480775A CN 103480775 A CN103480775 A CN 103480775A CN 201310427466 A CN201310427466 A CN 201310427466A CN 103480775 A CN103480775 A CN 103480775A
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CN
China
Prior art keywords
carbon fiber
woven wire
metal
precast
leading screw
Prior art date
Application number
CN201310427466.5A
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Chinese (zh)
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CN103480775B (en
Inventor
曲迎东
金美玲
孙凤双
秦刚
尤俊华
李荣德
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沈阳工业大学
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Priority to CN201310427466.5A priority Critical patent/CN103480775B/en
Publication of CN103480775A publication Critical patent/CN103480775A/en
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Publication of CN103480775B publication Critical patent/CN103480775B/en

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Abstract

The invention relates to a tensioning device for carbon fibers in precast parts. By the aid of the tensioning device, a plurality of beams of carbon fibers knitted on a metal mesh in a certain way are tensioned by tensioning the metal mesh. The tensioning device comprises the metal mesh, metal screws, a plurality of nuts and springs. The area of the metal mesh is set according to the area of cross section of a casting part, and mesh holes of the metal mesh are set according to intervals among carbon fiber beams in the casting part. The metal screws have functions of supporting the frame and adjusting position of the metal mesh. The nuts have functions of fixing the metal mesh or adjusting the position of the metal mesh. The springs have functions of applying pretension force and axially hooking the metal mesh on two sides. The tensioning device solves the problem that carbon fibers are loose and curved due to no tensioning and the problem about tensioning of the carbon fibers in the precast parts, and yield of cast products is greatly improved.

Description

Carbon fiber take-up device in precast body

Technical field

The present invention relates to a kind of carbon fiber bundle take-up device, relate in particular to carbon fiber take-up device in precast body.

Background technology

Along with the fast development of China's Material Field, various new materials arise at the historic moment.Especially the application of carbon fiber is more and more extensive.The application as the reinforcement of reinforced composite as the application of homogenous material, carbon fiber as carbon fibre tow.Once carbon fibre tow is applied in metal, alloy or other material with long fibre filament tow form oriented alignment, characteristic due to carbon fiber itself, its coefficient of expansion can change, the length of fiber can change and cause carbon fiber bundle to elongate or shorten, being strained to as a great problem in production process of carbon fiber bundle.

Summary of the invention

In order to overcome the deficiency of above-mentioned technology, the invention provides carbon fiber take-up device in precast body, this device solves the problem of carbon fiber tension, ensure casting quality.

For achieving the above object, the present invention is by the following technical solutions:

Carbon fiber take-up device in precast body is characterized in that comprising following part: the woven wire area of setting according to foundry goods cross section size; According in foundry goods between carbon fiber bundle spacing select the woven wire of metal gauze net hole size; There is support frame and regulate the metal leading screw of woven wire position functions; There is secure wire mesh or regulate a plurality of nuts of woven wire position functions; Have and apply prefastening force many springs of two-sided hook joint woven wire function in the axial direction.

Fusing point all can higher than molten metal such as woven wire and the optional copper of metal leading screw material, steel and alloy thereof.The large I of the mesh of woven wire according in foundry goods between carbon fiber apart from selected.Choose metal leading screw that diameter is more than or equal to 4mm all can, metal leading screw length is looked foundry goods height choose reasonable, than foundry goods height, exceeds at least 5 ~ 6mm left and right.

Select the nut model supporting with it according to metal leading screw diameter.Spring can be also extension spring of Compress Spring, can bear axially draw, the spring of pressure gets final product.Length and external diameter can be determined according to required pulling force.The pulling force size is: guarantee to be woven in that carbon fiber bundle in precast body is every a branch ofly all can strain and get final product.

Wire gauze wire thick stick is made into to space framework, and framework can be any stereochemical structure.Woven wire is carried out to reaming in the place that needs the metal leading screw to pass, it should be noted that and need mobile woven wire to want to make that the metal leading screw is without hindrance to be passed through smoothly through the mesh of metal lead screw position, other is greater than metal leading screw diameter 1 ~ 5mm through mesh inscribed circle diameter after the reaming of metal lead screw position mesh.Woven wire is fixed on the metal leading screw in the mode of nut chucking, and the lowermost layer woven wire is greater than selected nut thickness 2 ~ 3mm apart from ground level.

Carbon fiber is organized on woven wire according to certain arrangement mode.But hand weaving, also can work out by machinery, carbon fiber establishment direction can be any direction.By the metal framework with carbon fiber that weaves above the last layer woven wire, adding the layer of metal silk screen, spring is connected between two woven wires in the mode linked.

The position that adjusting links the superiors' woven wire of spring makes spring fix nut to prefastening force of spring after extended state, adjust pine to strain on direction and to drive the together nut of the secure wire mesh of mobile movement of carbon fiber to carbon fiber bundle, so that the prefastening force of spring passes to carbon fiber by woven wire and drives smoothly it and move, carbon fiber bundle is strained constantly.

Superiority of the present invention is to have solved carbon fiber bundle tension problem in carbon fabric perform.Improved the yield rate of the prepared foundry goods of the method.

the accompanying drawing explanation:

Fig. 1 is carbon fiber bundle take-up device schematic diagram of the present invention;

1 is groups of springs, and 2 is upper woven wire, and 3 is the top nut assembly, and 4 is middle woven wire, 5 is middle nut assembly, and 6 is the metal screw mandrel, and 7 is carbon fiber, and 8 is lower woven wire, 9 is the lower nut assembly, and 10 is upper reaming position, and 11 is middle reaming position, and 12 is the UR position.

the specific embodiment:

Specific embodiment with the cuboid space framework.

Carbon fiber take-up device in precast body, it is characterized in that comprising following part: set the woven wire area according to foundry goods cross section size, according in foundry goods between carbon fiber bundle spacing select the metal gauze net hole size 2 in woven wire, 4 woven wire, 8 times woven wires be example; There is support frame and regulate 6 metal leading screws of woven wire position functions; Having secure wire mesh or regulating nut assembly, 9 lower nut assemblies in the 3 top nut assemblies, 5 of woven wire position functions is example; Have and apply prefastening force the many groups of springs 1 of two-sided hook joint woven wire function in the axial direction.

Woven wire, metal leading screw, the optional steel of nut material, the fusing points such as copper and alloy thereof are higher than the material of molten metal; The large I of the mesh of woven wire according in the array foundry goods between carbon fiber bundle spacing selected; The metal leading screw 6 that to choose diameter be 4mm, its length is looked foundry goods height choose reasonable, than foundry goods height, exceeds at least 5 ~ 6mm.According to metal leading screw 6, diameter is selected the nut assembly 3,5,9 supporting with it.

Groups of springs 1 material of many 3mm left and right can be also extension spring of Compress Spring, can bear axially draw, the spring of pressure get final product, length and external diameter can be definite according to required pulling force; The pulling force size is: guarantee to be woven in that carbon fiber bundle in precast body is every a branch ofly all can strain and get final product.

Middle woven wire 4, lower woven wire 8 use metal leading screws 6 are made into to space framework, and framework is stereochemical structure arbitrarily; Woven wire is carried out to reaming in the place that needs the metal leading screw to pass, upper reaming position 10, middle reaming position 11, UR position 12 it should be noted that need mobile woven wire through the mesh of metal lead screw position in reaming position 11 want to make that the metal leading screw is without hindrance to be passed through smoothly, other goes up reaming position 10, UR position 12 through the metal lead screw position, after the mesh reaming, the mesh inscribed circle diameter is greater than metal leading screw diameter 1 ~ 5mm; Middle woven wire 4, lower woven wire 8 respectively with in nut assembly 5, lower nut assembly 9 in the mode of chucking, be fixed on the metal leading screw, the lowermost layer woven wire is greater than selected nut thickness 2 ~ 3mm apart from ground level.

Carbon fiber 7 is organized on woven wire according to certain arrangement mode; But hand weaving, also can work out by machinery, carbon fiber establishment direction can be any direction; The middle woven wire 4 with in the metal framework of carbon fiber woven is top adding woven wire 2 on one deck, groups of springs 1 is connected between two woven wires in the mode linked.

The position that adjusting top nut assembly 3 moves woven wire 2 makes groups of springs 1 fix top nut assembly 3 after extended state, adjust pine need to strain on direction to carbon fiber bundle the middle nut assembly 5 of woven wire 4 in fixing that the drive carbon fiber together moves, so that in while being subject to the spring pre-tightening pulling force, woven wire 4 can drive smoothly carbon fiber and moves, make carbon fiber bundle constantly be subject to the prefastening force of spring and strain the purpose that realizes the carbon fiber tension.

Above for the suitability for industrialized production of apparatus of the present invention, extensively promote and apply advantage is provided.According to foundry goods cross-sectional area and height, carbon fiber bundle is arranged, make the carbon fiber bundle take-up device, thereby the yield rate that makes foundry goods is improved greatly, visible this tension carbon fiber device is very effectively simple and cost is extremely low, in process of production pollution-free, without the three wastes, do not cause the harm to environment.

Claims (8)

1. carbon fiber take-up device in precast body is characterized in that comprising following part: set the woven wire area according to foundry goods cross section size, according in foundry goods between carbon fiber bundle spacing select the woven wire of metal gauze net hole size; There is support frame and regulate the metal leading screw of woven wire position functions; There is secure wire mesh or regulate a plurality of nuts of woven wire position functions; Have and apply prefastening force many springs of two-sided hook joint woven wire function in the axial direction.
2. carbon fiber take-up device in precast body according to claim 1, it is characterized in that: woven wire can be the materials of the fusing points such as steel mesh, copper mesh and alloy network thereof higher than the molten metal temperature; The size of screen mesh according in foundry goods between carbon fiber bundle spacing choose.
3. carbon fiber take-up device in precast body according to claim 1 is characterized in that: the material of the metal leading screw of choosing can be the fusing points such as copper, steel and alloy thereof and gets final product higher than the metal leading screw of molten metal temperature; Metal leading screw diameter is more than or equal to 4mm and gets final product, and length is looked foundry goods height choose reasonable, than foundry goods height, exceeds at least 5 ~ 6mm.
4. according to carbon fiber take-up device in the described precast body of claim 1 or 3, it is characterized in that: the woven wire wish is carried out to reaming through metal lead screw position mesh; After reaming, the mesh inscribed circle diameter is greater than metal leading screw diameter 1 ~ 5mm, and assurance metal leading screw is without hindrance to be passed through smoothly.
5. according to carbon fiber take-up device in the described precast body of claim 1 or 3, it is characterized in that: choose the nut coordinated with the metal leading screw and form nut assembly; Nut assembly plays the fastening metal silk screen in the woven wire both sides, has the function of regulating the woven wire position.
6. according to carbon fiber take-up device in the described precast body of claim 1 or 3, it is characterized in that: make carbon fabric perform; Woven wire and metal leading screw, nut are formed to space framework, and framework can be any stereochemical structure; The metal leading screw is fixed on woven wire on the metal leading screw through the mode with the nut chucking in the mesh of prior reaming, and the lowermost layer woven wire is greater than selected nut thickness 2 ~ 3mm apart from ground level; Carbon fiber is organized on woven wire according to certain arrangement mode, but hand weaving also can work out by machinery, it can be any direction that carbon fiber is worked out direction.
7. carbon fiber take-up device in precast body according to claim 1 is characterized in that: choose spring and can be also extension spring of Compress Spring, can bear axially draw, the spring of pressure gets final product; Spring length, external diameter can be determined according to required pulling force; The pulling force size is: guarantee to be organized in that carbon fiber bundle in precast body is every a branch ofly all can strain and get final product.
8. according to carbon fiber take-up device in the described precast body of claim 1 or 3, it is characterized in that: the framework of the precast body with carbon fiber that will weave above the last layer woven wire, add the layer of metal silk screen; Spring is connected between two woven wires in the axial two-sided mode linked, regulates the nut of fixing last layer woven wire so that in advance to prefastening force of spring; Now spring is in extended state, fix nut, adjust pine to strain on direction and to drive the together nut of mobile secure wire mesh of carbon fiber to carbon fiber bundle, so that the prefastening force of spring passes to carbon fiber by woven wire, drive smoothly it and move, carbon fiber bundle is strained constantly.
CN201310427466.5A 2013-09-18 2013-09-18 Carbon fiber take-up device in precast body CN103480775B (en)

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CN103480775B CN103480775B (en) 2015-11-18

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103978693A (en) * 2014-05-15 2014-08-13 扬州赛尔达尼龙制造有限公司 Manufacturing method for long-fiber-reinforced MC nylon composite material product
CN104296976A (en) * 2014-09-11 2015-01-21 太仓市金港植保器械科技有限公司 Electrostatic spraying surrounding adsorption effect testing support and application thereof
CN107257031A (en) * 2017-07-21 2017-10-17 中国电子科技集团公司第二十九研究所 A kind of high-power metal polarizer of polarisation angles alternation

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Publication number Priority date Publication date Assignee Title
JPS6268670A (en) * 1985-09-19 1987-03-28 Nippon Kokan Kk <Nkk> Manufacture of metallic base composite material
US4732779A (en) * 1985-05-21 1988-03-22 Kabushiki Kaisha Toyota Chuo Kenkyusho Fibrous material for composite materials, fiber-reinforced metal produced therefrom, and process for producing same
CN101567537A (en) * 2008-12-25 2009-10-28 江苏宇飞电力科技有限公司 Strain clamp for JRLX/T carbon fiber leads
CN202483189U (en) * 2012-01-17 2012-10-10 武汉武大巨成加固实业有限公司 Strand tapered anchorage pre-tightening device
CN102995051A (en) * 2012-11-20 2013-03-27 上海高企新能源科技有限公司 Carbon fiber electrode frame and diaphragm for filter pressing type bi-electrode electrolysis cell
CN103205937A (en) * 2013-04-25 2013-07-17 中铁八局集团第一工程有限公司 Universal member pre-buried node and installing method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4732779A (en) * 1985-05-21 1988-03-22 Kabushiki Kaisha Toyota Chuo Kenkyusho Fibrous material for composite materials, fiber-reinforced metal produced therefrom, and process for producing same
JPS6268670A (en) * 1985-09-19 1987-03-28 Nippon Kokan Kk <Nkk> Manufacture of metallic base composite material
CN101567537A (en) * 2008-12-25 2009-10-28 江苏宇飞电力科技有限公司 Strain clamp for JRLX/T carbon fiber leads
CN202483189U (en) * 2012-01-17 2012-10-10 武汉武大巨成加固实业有限公司 Strand tapered anchorage pre-tightening device
CN102995051A (en) * 2012-11-20 2013-03-27 上海高企新能源科技有限公司 Carbon fiber electrode frame and diaphragm for filter pressing type bi-electrode electrolysis cell
CN103205937A (en) * 2013-04-25 2013-07-17 中铁八局集团第一工程有限公司 Universal member pre-buried node and installing method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103978693A (en) * 2014-05-15 2014-08-13 扬州赛尔达尼龙制造有限公司 Manufacturing method for long-fiber-reinforced MC nylon composite material product
CN104296976A (en) * 2014-09-11 2015-01-21 太仓市金港植保器械科技有限公司 Electrostatic spraying surrounding adsorption effect testing support and application thereof
CN104296976B (en) * 2014-09-11 2018-02-23 太仓市金港植保器械科技有限公司 Electrostatic spray encircles testing adsorption effect support and its application
CN107257031A (en) * 2017-07-21 2017-10-17 中国电子科技集团公司第二十九研究所 A kind of high-power metal polarizer of polarisation angles alternation
CN107257031B (en) * 2017-07-21 2020-10-16 中国电子科技集团公司第二十九研究所 High-power metal polarizer with gradient polarization angle

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Effective date of registration: 20180725

Address after: 226300 Industrial Park, Shi Gang Town, Tongzhou District, Nantong, Jiangsu

Patentee after: Tongzhou Nantong Jiang Hua Textile Co., Ltd.

Address before: 110870 No. 111 Shenyang West Road, Shenyang economic and Technological Development Zone, Shenyang, Liaoning

Patentee before: Shenyang University of Technology

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