CN103541514B - A kind of multiplex connector, anchor head and composite member connected for FRP muscle material - Google Patents
A kind of multiplex connector, anchor head and composite member connected for FRP muscle material Download PDFInfo
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- CN103541514B CN103541514B CN201310497540.0A CN201310497540A CN103541514B CN 103541514 B CN103541514 B CN 103541514B CN 201310497540 A CN201310497540 A CN 201310497540A CN 103541514 B CN103541514 B CN 103541514B
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Abstract
The invention discloses a kind of multiplex connector, anchor head and the composite member that connect for FRP muscle material, multiplex connector comprises one end closed bead material tube connector, is arranged on the brace of closed one end of muscle material tube connector, the brace pin-and-hole be arranged on brace, the other end of muscle material tube connector is provided with fastening, the inner side of muscle material tube connector is provided with the inner surface screw thread matched with the external screw thread of FRP muscle material, and brace pin-and-hole is provided with internal tooth.Anchor head comprises anchor head body, is arranged on the connector of anchor head body one end, the connector pin-and-hole be arranged on connector, and connector pin-and-hole is provided with internal tooth.Composite member is that multiplex connector and anchor head are connected, or two multiplex connector combinations connect.The present invention can make thermosetting fibre muscle material freely connect, and processes bending anchored end in 90 °, stirrup, bent-up bar, the curved prestressing tendon of deep camber or broken line steel bar and abnormity component.
Description
Technical field
The present invention relates to a kind of connectivity kit, specifically, relate to a kind of composite member connected for FRP muscle material.
Background technology
The application technology of FRP (fibre reinforced composites) muscle in civil engineering, the world today has become a focus that composite material circle is developed with civil engineering field joint research.At present, the application and research both at home and abroad about FRP muscle gets more and more, and promotes the continuous progress of modern civil engineering technology.
Along with the issue of " fibre reinforced composites construction project application technology specification " (GB50608-2010) is implemented, FRP muscle is reinforced structure or is used as to strengthen and obtains more general application in concrete structure, but the FRP muscle that muscle material generally adopts common matrix material to produce as pultrusions such as polyester, epoxy resin, vinyl esters is thermosetting FRP muscle.The easy decomposes of molecular structure due to these thermo set matrix material, so the bending part of thermosetting FRP muscle exists fiber bending and stress concentration phenomenon, its intensity, by minimizing 50% ~ 60%, so its shaping rear shape can not change, more can not arbitrarily bend.Be difficult to make stirrup, bent-up bar, the elbow of end anchorage of bar needs, the curved prestressing tendon of deep camber or broken line steel bar etc.; More can not carry out the crotch making of FRP muscle end and the shaping of FRP stirrup at the construction field (site).
All adopt hand to stick with paste the methods such as method, winding method, long fibre die pressing for the F-SP FRP muscle material needed in the engineer applied such as reducing, bending, connector to produce.But performance can not compared with the muscle material of thermosetting pultrusion.
The connected mode of current fiber bar material has: 1, adopt bonding adhesive such as note resin, cement etc. in sleeve pipe to connect, easily occur the sliding rupture of fragility.2, overlap joint connects, and is not suitable for tensional element.3, the connection of tapped sleeve is adopted, high to the required precision of the body of rod and internal thread, easily damage is caused to the body of rod.
Summary of the invention
technical problem:the invention provides one makes thermosetting fibre muscle material freely connect, and can process bending anchored end in 90 °, stirrup, bent-up bar, the curved prestressing tendon of deep camber or broken line steel bar and abnormity component, can carry out the crotch of FRP muscle end at the construction field (site) and make the multiplex connector, anchor head and the composite member that for FRP muscle material are connected shaping with FRP stirrup.
technical scheme:the multiplex connector connected for FRP muscle material of the present invention, comprise one end closed bead material tube connector, be arranged on the brace of closed one end of muscle material tube connector, the brace pin-and-hole be arranged on brace, the outer setting of the other end of muscle material tube connector has fastening, inner side is provided with the inner surface screw thread matched with the external screw thread of FRP muscle material, and brace pin-and-hole inner surface is provided with internal tooth.
The anchor head connected for FRP muscle material of the present invention, comprises anchor head body, is arranged on the connector of anchor head body one end, the connector pin-and-hole be arranged on connector, connector pin-and-hole inner surface is provided with internal tooth.
The above-mentioned anchor head connected for FRP muscle material, anchor head body is anchor pole or anchor slab.
The above-mentioned anchor head connected for FRP muscle material, anchor head body is anchor pole, and one end of anchor pole is connected with connector, and the other end is provided with enlarged footing.
The composite member connected for FRP muscle material of the present invention, comprise one end closed bead material tube connector, be arranged on the brace of closed one end of muscle material tube connector, be arranged on the brace pin-and-hole on brace, with brace, the anchor head be connected is installed with pin by brace pin-and-hole, the outer setting of the other end of muscle material tube connector has fastening, inner side is provided with the inner surface screw thread matched with the external screw thread of FRP muscle material, anchor head comprises anchor head body, be arranged on the connector of anchor head body one end, be arranged on the connector pin-and-hole on connector, brace pin-and-hole inner surface and connector pin-and-hole inner surface are provided with internal tooth, pin is provided with the external tooth matched with internal tooth, pin inserts in brace pin-and-hole and connector pin-and-hole, brace is fixedly connected with anchor head.
The composite member connected for FRP muscle material of the present invention, comprise two multiplex connectors, each component includes one end closed bead material tube connector, is arranged on the brace of closed one end of muscle material tube connector, the brace pin-and-hole be arranged on brace, the outer setting of the other end of muscle material tube connector has fastening, inner side is provided with the inner surface screw thread matched with the external screw thread of FRP muscle material, and brace pin-and-hole inner surface is provided with internal tooth; After the brace pin-and-hole aligning of the brace on two components, pin inserts in brace pin-and-hole, thus is fixedly connected with by two components.
Above-mentioned two kinds of composite membeies connected for FRP muscle material, pin are provided with the latch in order to axial location.
Above-mentioned two kinds of composite membeies connected for FRP muscle material, anchor head body is anchor pole or anchor slab.
Above-mentioned two kinds of composite membeies connected for FRP muscle material, anchor head body is anchor pole, and one end of anchor pole is connected with connector, and the other end is provided with enlarged footing.
beneficial effect:compared with prior art, technical scheme of the present invention has the following advantages:
1. overcome and overlap connection in the existing connected mode of thermosetting FRP muscle material and be not suitable for tension, sleeve pipe connects the sliding rupture easily occurring fragility, is threaded and easily causes damage to the body of rod.The shortcoming that can not be welded to connect.
One end closed bead material tube connector internal diameter 2 ~ 3mm larger than muscle material, for injecting adhesive, adhesive is resin system, cement-based systems.One end closed bead material tube connector is processed with matching thread according to muscle material thread inner surface, for being engaged muscle material.Slot in end, external surface establishes screw thread to adopt end occlusion nut screwing clamping.Adopt the mode of gluing+mechanical snap to be connected with muscle material, and utilize the elasticity of shell material, clamp nut is set in end.Both avoid the sliding rupture occurring fragility, and prevented from again causing damage to the body of rod, draw meanwhile, press component all can adopt.
2. solve the multidirectional connection of thermosetting fibre muscle material fiber bar material.
According to designing requirement, adjustment angle, after the brace pin-and-hole aligning of the brace on two components, pin 3 inserts in brace pin-and-hole, thus is fixedly connected with by two components.Can be applicable to the multidirectional connection of FRP muscle material.
3. solving thermosetting fibre muscle material cannot the problem of bending forming.Thermosetting fibre muscle material freely can be connected, bending anchored end in 90 °, crotch, stirrup, bent-up bar, the curved prestressing tendon of deep camber or broken line steel bar and abnormity component etc. can be processed.
Easy to loading and unloading, multiple combination, easy construction.On the basis of multiplex connector can with multiple anchor head, multiple multiplex connector combination, convenient disassembly, can at the construction field (site) or factory complete bending anchored end, crotch, stirrup, bent-up bar, the curved prestressing tendon of deep camber or the shaping of broken line steel bar and abnormity component etc.
Various material processing assembly can be adopted according to actual conditions.Can, according to the performance requirement of FRP muscle, adopt adaptive material as the processing such as metal, composite material composite member, the elbow that the methods such as hand paste method, winding method, long fibre die pressing that avoid are produced can not mate with the muscle wood property of thermosetting pultrusion.
4. solve hand and stick with paste the elbows of method production such as method, winding method, long fibre die pressing, thermoplasticity and material, the unmatched problem of performance of thermosetting pultrusion muscle material.
Accompanying drawing explanation
Fig. 1 is the structural representation of the multiplex connector of the present invention.
Fig. 2 is that in apparatus of the present invention, body is the anchor head structural representation of anchor pole.
Fig. 3 is that in apparatus of the present invention, body is the anchor head structural representation of anchor slab.
Fig. 4 is that in apparatus of the present invention, body is the anchor head structural representation of enlarged footing.
Fig. 5 adopts body to be the assembling unit structure schematic diagram of the anchor head of anchor pole in the present invention.
Fig. 6 adopts body to be the assembling unit structure schematic diagram of the anchor head of anchor slab in the present invention.
Fig. 7 adopts body to be the assembling unit structure schematic diagram of the anchor head of enlarged footing in the present invention.
Fig. 8 is multiplex connector and muscle material connection diagram in the present invention.
Fig. 9 is the straight elbow connection diagram of muscle material in the present invention.
Figure 10 is pin and latch in the present invention.
Figure 11 is muscle material connection diagram of the present invention.
Figure 12 is that in the present invention, muscle material hangs muscle connection diagram.
Have in figure: muscle material tube connector 1, brace 2, brace pin-and-hole 21, anchor head 3, anchor head body 31, connector 32, connector pin-and-hole 33, pin 4, latch 41, fastening 5, muscle material 6, outer surface thread 101, inner surface screw thread 102.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in detail.
The multiplex connector connected for FRP muscle material of the present invention, comprise one end closed bead material tube connector 1, be arranged on the brace 2 of closed one end of muscle material tube connector 1, the brace pin-and-hole 21 be arranged on brace 2, the other end of muscle material tube connector 1 is provided with fastening 5, the inner side of muscle material tube connector 1 is provided with the inner surface screw thread 102 matched with the external screw thread of FRP muscle material, and brace pin-and-hole 21 inner surface is provided with internal tooth.
The anchor head connected for FRP muscle material of the present invention, comprises anchor head body 31, is arranged on the connector 32 of anchor head body 31 one end, the connector pin-and-hole 33 be arranged on connector 32, connector pin-and-hole 33 is provided with internal tooth.Anchor head body 31 can be anchor pole (Fig. 2), anchor slab (Fig. 3) or enlarged footing anchor pole (Fig. 4).
Multiplex connector and anchor head body are that the anchor head of anchor pole is connected, and are made into the anchoring elbow (Fig. 5) of plain bars.This composite member comprises one end closed bead material tube connector 1, be arranged on the brace 2 of closed one end of muscle material tube connector 1, be arranged on the brace pin-and-hole 21 on brace 2, with brace 2, the anchor head be connected is installed with pin 4 by brace pin-and-hole 21, the other end of muscle material tube connector 1 is provided with fastening 5, the inner side of muscle material tube connector 1 is provided with the inner surface screw thread 102 matched with the external screw thread of FRP muscle material, anchor head 3 comprises the anchor head body 31 that anchor head body is anchor pole, be arranged on the connector 32 of anchor head body 31 one end, be arranged on the connector pin-and-hole 33 on connector 32, brace pin-and-hole 21 and connector pin-and-hole 33 are provided with internal tooth, pin 4 is provided with the external tooth matched with internal tooth, pin 4 inserts in brace pin-and-hole 21 and connector pin-and-hole 33, brace 2 is fixedly connected with anchor head 3.With latch 41, pin 4 is fixed again.The angle connected by the internal tooth on adjustment brace pin-and-hole 21 and connector pin-and-hole 33, can adjust arbitrarily according to designing requirement, adjusts crotch in 90 ° to be Figure 11.
Multiplex connector and anchor head body are that the anchor head of anchor slab is connected and is made into the anchor slab anchorage head (Fig. 6) of common muscle material or presstressed reinforcing steel.This composite member comprises one end closed bead material tube connector 1, be arranged on the brace 2 of closed one end of muscle material tube connector 1, be arranged on the brace pin-and-hole 21 on brace 2, with brace 2, the anchor head be connected is installed with pin 4 by brace pin-and-hole 21, the other end of muscle material tube connector 1 is provided with fastening 5, the inner side of muscle material tube connector 1 is provided with the inner surface screw thread 102 matched with the external screw thread of FRP muscle material, anchor head 3 comprises the anchor head body 31 that anchor head body is anchor slab, be arranged on the connector 32 of anchor head body 31 one end, be arranged on the connector pin-and-hole 33 on connector 32, brace pin-and-hole 21 and connector pin-and-hole 33 are provided with internal tooth, pin 4 is provided with the external tooth matched with internal tooth, pin 4 inserts in brace pin-and-hole 21 and connector pin-and-hole 33, brace 2 is fixedly connected with anchor head 3.With latch 41, pin 4 is fixed again.
Multiplex connector and anchor head body are that the anchor head of enlarged footing is connected and is made into the expansion anchorage head (Fig. 7) of common muscle material or presstressed reinforcing steel.This composite member comprises one end closed bead material tube connector 1, be arranged on the brace 2 of closed one end of muscle material tube connector 1, be arranged on the brace pin-and-hole 21 on brace 2, with brace 2, the anchor head be connected is installed with pin 4 by brace pin-and-hole 21, the other end of muscle material tube connector 1 is provided with fastening 5, the inner side of muscle material tube connector 1 is provided with the inner surface screw thread 102 matched with the external screw thread of FRP muscle material, anchor head 3 comprises the anchor head body 31 that anchor head body is enlarged footing, be arranged on the connector 32 of anchor head body 31 one end, be arranged on the connector pin-and-hole 33 on connector 32, brace pin-and-hole 21 and connector pin-and-hole 33 are provided with internal tooth, pin 4 is provided with the external tooth matched with internal tooth, pin 4 inserts in brace pin-and-hole 21 and connector pin-and-hole 33, brace 2 is fixedly connected with anchor head 3.With latch 41, pin 4 is fixed again.
Two multiplex connectors can form 0 ° ~ 360 ° joints (Figure 11) at any angle according to designing requirement, each component includes one end closed bead material tube connector 1, is arranged on the brace 2 of closed one end of muscle material tube connector 1, the brace pin-and-hole 21 be arranged on brace 2, the other end of muscle material tube connector 1 is provided with fastening 5, the inner side of muscle material tube connector 1 is provided with the inner surface screw thread 102 matched with the external screw thread of FRP muscle material, and brace pin-and-hole 21 is provided with internal tooth; According to designing requirement, adjustment angle, after brace pin-and-hole 21 aligning of the brace 2 on two components, pin 4 inserts in brace pin-and-hole 21, thus is fixedly connected with by two components.With latch 41, pin 4 is fixed again.
Multiple multiplex connector can hang the shaping elbows (Figure 12) such as muscle according to designing requirement composition, each component includes one end closed bead material tube connector 1, is arranged on the brace 2 of closed one end of muscle material tube connector 1, the brace pin-and-hole 21 be arranged on brace 2, the other end of muscle material tube connector 1 is provided with fastening 5, the inner side of muscle material tube connector 1 is provided with the inner surface screw thread 102 matched with the external screw thread of FRP muscle material, and brace pin-and-hole 21 is provided with internal tooth; According to designing requirement, adjustment angle, after brace pin-and-hole 21 aligning of the brace 2 on two components, pin 4 inserts in brace pin-and-hole 21, thus is fixedly connected with by two components.With latch 41, pin 4 is fixed again.
Multiplex connector adopts the mode of gluing+mechanical snap to be connected with muscle material.Multiplex connector internal diameter 2 ~ 3mm larger than muscle material, for injecting adhesive, adhesive is resin system, cement-based systems.On the inner surface of muscle material tube connector 1, there is supporting inner surface screw thread 102 according to muscle material screw thread process, for being engaged muscle material.Slotting in end, is provided with outer surface thread 101, and end adopts fastening 5 to tighten.The mode of gluing+mechanical snap is adopted to ensure that the reliable bond of joint and muscle material.
In the present invention, assembly can adopt metalwork, also fibre reinforced composites etc. can be adopted to process.
Claims (4)
1. the composite member connected for FRP muscle material, it is characterized in that, this composite member comprises one end closed bead material tube connector (1), is arranged on the brace (2) of closed one end of described muscle material tube connector (1), the brace pin-and-hole (21) be arranged on described brace (2), install with pin (4) and brace (2) anchor head (3) be connected by described brace pin-and-hole (21), the outer setting of the other end of muscle material tube connector (1) has fastening (5), and inner side is provided with the inner surface screw thread (102) matched with the external screw thread of FRP muscle material;
Described anchor head (3) comprises anchor head body (31), is arranged on the connector (32) of described anchor head body (31) one end, the connector pin-and-hole (33) be arranged on described connector (32), brace pin-and-hole (21) inner surface and connector pin-and-hole (33) inner surface are provided with internal tooth, pin (4) is provided with the external tooth matched with described internal tooth, pin (4) inserts in brace pin-and-hole (21) and connector pin-and-hole (33), is fixedly connected with by brace (2) with anchor head (3).
2. the composite member connected for FRP muscle material according to claim 1, is characterized in that, described pin (4) is provided with the latch (41) in order to axial location.
3. the composite member connected for FRP muscle material according to claim 1, it is characterized in that, described anchor head body (31) is anchor pole or anchor slab.
4. the composite member connected for FRP muscle material according to claim 3, it is characterized in that, described anchor head body (31) is anchor pole, and one end of described anchor pole is connected with connector (32), and the other end is provided with enlarged footing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310497540.0A CN103541514B (en) | 2013-10-22 | 2013-10-22 | A kind of multiplex connector, anchor head and composite member connected for FRP muscle material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310497540.0A CN103541514B (en) | 2013-10-22 | 2013-10-22 | A kind of multiplex connector, anchor head and composite member connected for FRP muscle material |
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| CN103541514A CN103541514A (en) | 2014-01-29 |
| CN103541514B true CN103541514B (en) | 2015-09-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019235785A1 (en) * | 2018-06-04 | 2019-12-12 | Lee Yangoun | Reinforcing bar coupler |
| CN110761492A (en) * | 2019-10-28 | 2020-02-07 | 长安大学 | FRP rib bending connection device for construction site and preparation method of bending FRP rib component |
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| KR101797174B1 (en) * | 2015-09-14 | 2017-11-14 | 청주대학교 산학협력단 | Multi purpose coupler for reinforced concrete member |
| KR101797178B1 (en) * | 2016-01-28 | 2017-11-13 | 청주대학교 산학협력단 | Reinforcement method of reinforced concrete member using multi purpose coupler for reinforced concrete member |
| CN107304545A (en) * | 2016-04-23 | 2017-10-31 | 辽宁工业大学 | A kind of combination set for anchoring and connecting for FRP muscle |
| GB2567685A (en) * | 2017-10-20 | 2019-04-24 | Insula Ltd | Thermally insulating anchor |
| CN108035492A (en) * | 2017-12-29 | 2018-05-15 | 扬州大学 | A kind of new FRP tendons crotch anchoring process |
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