CN212803261U - Connecting structure of aluminum alloy carbon fiber composite profile component - Google Patents
Connecting structure of aluminum alloy carbon fiber composite profile component Download PDFInfo
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- CN212803261U CN212803261U CN202021201545.6U CN202021201545U CN212803261U CN 212803261 U CN212803261 U CN 212803261U CN 202021201545 U CN202021201545 U CN 202021201545U CN 212803261 U CN212803261 U CN 212803261U
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Abstract
The utility model provides a connection structure of aluminum alloy carbon fiber composite section member, includes aluminum alloy section bar, carbon cloth, stopping, its characterized in that: the aluminum alloy section is an extrusion-molded hollow section with a rectangular cross section and comprises an inner aluminum pipe (1), a first outer aluminum pipe (2) and a second outer aluminum pipe (8) which are nested, movably and mutually inserted into a cuboid barrel body; the carbon fiber cloth is multi-directionally woven, the filler is dense high-strength mortar, and the aluminum alloy carbon fiber composite profile component is an integrally formed fixed structure. The utility model has the advantages of compound section member simple structure, preparation are convenient, and compound section member adopts the aluminum alloy extrusion section bar of easily processing, reaches the integration shaping, avoids welding, alleviates the dead weight, and connection structure rigidity is big, intensity is high, the dead weight is light, and the bearing capacity is connected in very big improvement, corrosion resistance than the steel sheet superior, reduction of erection time, can parallel construction and reduction repair engineering cost.
Description
Technical Field
The utility model relates to a structure rapid reinforcement component for building engineering, traffic engineering and underground works, specifically speaking are connection structure of aluminum alloy carbon fiber composite section member.
Background
In the underground structure restoration project, when the partial deformation range of the segment structure is exceeded, the segment structure needs to be reinforced. The commonly used reinforcing method mainly comprises a carbon fiber pasting reinforcing method and a steel plate pasting reinforcing method.
The traditional carbon fiber pasting reinforcement method has the advantages of high strength, light weight, convenience in transportation and the like. However, the curing time of the curing agent for pasting is 24 hours, which is much longer than 3-4 hours of subway shutdown, so that the curing agent can only be used for temporary reinforcement, and in addition, the carbon fiber can be dropped due to the vibration of subway operation, and the electric conductivity of the curing agent can cause subway operation failure.
The traditional steel plate sticking and reinforcing method is to install 20-30 mm thick steel plates on the inner side of a tunnel segment structure in a segmented mode by adopting a special heavy mechanical lifting arm. However, the steel plate reinforcing method brings a large dead load to the structure, the pipeline needs to be dismantled and restored later during construction, the construction period is long, and the construction cost is high. Therefore, how to manufacture a connection structure of a reinforcing section bar for improving connection strength is a problem to be solved in engineering.
Chinese patent CN102536260A discloses a composite cavity member, which comprises a cavity body, a composite material layer, grouting holes, exhaust holes, bolt holes and fillers. The shape of the cavity body is matched with the reinforcing surface, one or more than one pipe is combined into the cavity body, the surface of the cavity body is provided with a composite material layer, the composite material layer is composed of resin and fibers, and the cavity body is filled with fillers. The cavity body is a metal pipe or a non-metal pipe, such as a steel pipe, a plastic pipe, a composite material pipe and the like. The cavity of the composite cavity component is formed by welding a plurality of metal square tubes, so that the construction is complex and the filling is inconvenient; the cavity body is relatively consumable, and the quality of the component is increased.
The known attachment of composite cavity members thus presents the various inconveniences and problems described above.
Disclosure of Invention
The utility model aims at providing an improve joint strength's aluminum alloy carbon fiber composite section member's connection structure.
In order to achieve the above object, the technical solution of the present invention is:
the utility model provides a connection structure of aluminum alloy carbon fiber composite section member, includes aluminum alloy section bar, carbon cloth, stopping, its characterized in that:
the aluminum alloy section is an extrusion-molded hollow section with a rectangular cross section and comprises an inner aluminum pipe, a first outer aluminum pipe and a second outer aluminum pipe which are nested and movably inserted into the cuboid barrel body; the middle of two corresponding side walls of the inner aluminum pipe barrel body is provided with a long groove in a shape like a Chinese character 'ji' which bulges towards the inside of the barrel body, the middle of two corresponding side walls of the first outer aluminum pipe barrel body and the second outer aluminum pipe barrel body is provided with a boss in a shape like a Chinese character 'ji', the boss in a shape like a Chinese character 'ji' is matched with the long groove of the inner aluminum pipe, the boss can be movably inserted into the groove, so that one end of the inner aluminum pipe is inserted into the first outer aluminum pipe barrel body, the other end of the inner aluminum pipe is inserted into the second outer aluminum pipe barrel body, an embedded pipe section of the inner aluminum pipe, the first outer aluminum pipe and the;
the carbon fiber cloth is multi-directionally woven, and is firmly paved and adhered with the outer surface of the nested pipe section through a binder coated on the outer surface of the nested pipe section;
the filler is dense mortar, and the mortar is arranged in the whole inner cavity of the profile component;
wherein: the aluminum alloy carbon fiber composite profile component is of an integrally formed fixed structure.
The utility model discloses a connection structure of aluminum alloy carbon fiber composite section member can also adopt following technical measure to further realize.
In the connection structure of the aluminum alloy carbon fiber composite profile component, the aluminum alloy profile is a hollow square tube barrel body.
In the connection structure of the aluminum alloy carbon fiber composite profile component, the binder is a special impregnation adhesive for bonding metal and carbon fiber cloth and a structural adhesive.
In the connection structure of the aluminum alloy carbon fiber composite profile component, the adhesive is an AB adhesive.
In the connection structure of the aluminum alloy carbon fiber composite profile member, the mortar is high-strength mortar.
In the connection structure of the aluminum alloy carbon fiber composite profile member, the lengths of the nested pipe sections of the inner aluminum pipe in the first outer aluminum pipe and the second outer aluminum pipe are the same.
After the technical scheme is adopted, the utility model discloses a connection structure of aluminum alloy carbon fiber composite section member has following advantage:
1. the connecting structure of the composite profile component is simple and convenient to manufacture;
2. the engineering quality is safe and reliable, the composite profile component adopts an aluminum alloy extruded profile which is easy to process, and the section of the body of the composite profile component can be reasonably designed so as to achieve the purposes of integrated molding, welding avoidance and self weight reduction;
3. the composite profile member has the advantages of high rigidity, high strength and light self weight, greatly improves the connection bearing capacity, has superior corrosion resistance compared with a steel plate, shortens the construction period, can be constructed in parallel, and reduces the cost of repair engineering.
Drawings
FIG. 1 is a schematic structural view of an inner aluminum pipe according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of an outer aluminum pipe according to an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating the nested insertion of the inner aluminum tube with the first and second outer aluminum tubes according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an aluminum alloy carbon fiber composite profile member according to an embodiment of the present invention, wherein a binder 5 is coated on an outer surface of an outer aluminum tube 2, and a carbon fiber cloth 3 is wrapped on an outer surface of the binder 5 of the outer aluminum tube 2;
fig. 5 is a schematic view of a connection structure of an aluminum alloy carbon fiber composite profile member according to an embodiment of the present invention.
In the figure: 1 an inner aluminum tube, and a plurality of aluminum tubes,
2 a first outer aluminum pipe, 3 carbon fiber cloth, 4 mortar, 5 caking agent, 6 grooves, 7 bosses,
and 8 a second outer aluminum tube.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
Example 1
The utility model discloses a connection structure of aluminum alloy carbon fiber composite section member is a novel aluminum alloy carbon fiber composite section member, including aluminum alloy ex-trusions, carbon cloth, stopping.
Referring to fig. 1 and 2, fig. 1 is a schematic structural view of an inner aluminum tube according to an embodiment of the present invention, and fig. 2 is a schematic structural view of an outer aluminum tube according to an embodiment of the present invention. As shown in the figure, the aluminum alloy section is an extrusion-molded hollow section with a rectangular cross section and comprises an inner aluminum pipe 1, a first outer aluminum pipe 2 and a second outer aluminum pipe 8 which are nested, movably and mutually inserted into a cuboid barrel body; the middle of two corresponding side walls of the inner aluminum pipe barrel body is provided with a long groove 6 in a shape like a Chinese character 'ji' which bulges towards the inside of the barrel body, the middle of two corresponding side walls of the first outer aluminum pipe 2 and the second outer aluminum pipe 8 barrel body is provided with a boss 7 in a shape like a Chinese character 'ji' which bulges towards the inside of the barrel body, the boss is matched with the long groove of the inner aluminum pipe, the boss can be movably inserted into the groove, so that one end of the inner aluminum pipe is inserted into the first outer aluminum pipe 2 barrel body, the other end of the inner aluminum pipe is inserted into the second outer aluminum pipe 8 barrel body, an embedded pipe section of the inner aluminum pipe, the first outer aluminum pipe 2 and the second outer aluminum pipe is formed; the aluminum alloy section is a hollow square tube barrel body similar to a central air-conditioning air pipe. Fig. 3 is a schematic diagram illustrating the nested insertion of the inner aluminum tube and the outer aluminum tube according to the embodiment of the present invention.
The square tube barrel body is adopted in the embodiment, the square tube barrel body can be designed into a cylindrical shape according to construction requirements, and an aluminum alloy section is used as an extrusion-molded hollow section with a round cross section.
The carbon fiber cloth 3 is multi-directionally woven carbon fiber cloth, the carbon fiber cloth is firmly paved and bonded with the outer surface of the nested pipe section through a binder coated on the outer surface of the nested pipe section, and the binder is special impregnation glue for bonding metal and the carbon fiber cloth and structural glue. The adhesive is a special impregnation adhesive for bonding metal and carbon fiber cloth and a structural adhesive, and the adhesive is AB adhesive. When the AB glue is used, the outer surface of the cavity of the hollow section is coated with impregnating glue, and then the impregnating glue is coated with structural glue.
The filler is compact mortar 4, the mortar is arranged in the whole hollow section cavity, the filler is compact high-strength mortar, when the filler is filled in the whole hollow section cavity, the filler enters the cavity through two ends of the cavity, and two ends of the cavity play a role in exhausting.
After the binder and the mortar are cured, the aluminum alloy carbon fiber composite section component is an integrally formed fixed structure, so that the tunnel shield segment and the composite material tunnel reinforcing component are stressed together during use, and the reinforcing effect is achieved. Fig. 4 is a schematic structural diagram of an aluminum alloy carbon fiber composite profile member according to an embodiment of the present invention, wherein the adhesive 5 is coated on the outer surface of the outer aluminum tube 2, and the carbon fiber cloth 3 is wrapped on the outer surface of the adhesive 5 of the outer aluminum tube 2.
Fig. 5 is the utility model discloses the connection structure sketch map of aluminum alloy carbon fiber composite section member of embodiment, half length of interior aluminum pipe inserts in the 2 barrels of first outer aluminum pipe, in the 8 barrels of second outer aluminum pipe are inserted to half length to make first outer aluminum pipe 2 and the adjacent connection of second outer aluminum pipe, interior aluminum pipe is in the centre at the adjacent connection position, improve connection position intensity, connection position glues through carbon cloth and wraps up in and further improves its intensity, and after the mortar solidification, aluminum alloy carbon fiber composite section member reaches integration shaping fixed knot structure.
The utility model has the advantages of substantive characteristics and apparent technological progress, the utility model discloses a connection structure of aluminum alloy carbon fiber composite section member adopts the aluminum alloy extrusion section bar of easily processing, can rationally design cavity body cross-section to reach the integration shaping, avoid welding, alleviate the purpose of dead weight. The aluminum alloy carbon fiber composite profile member has the advantages of high rigidity, high strength, light dead weight, superior corrosion resistance compared with a steel plate, short construction period and capability of being constructed in parallel.
The utility model discloses a connection structure of aluminum alloy carbon fiber composite section member utilizes in underground structure restoration engineering, and the effect is showing.
The above embodiments are provided only for the purpose of illustration, and not for the purpose of limitation, and those skilled in the art can make various changes or modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions should also fall within the scope of the present invention, which is defined by the claims.
Claims (6)
1. The utility model provides a connection structure of aluminum alloy carbon fiber composite section member, includes aluminum alloy section bar, carbon cloth, stopping, its characterized in that:
the aluminum alloy section is an extrusion-molded hollow section with a rectangular cross section and comprises an inner aluminum pipe (1), a first outer aluminum pipe (2) and a second outer aluminum pipe (8) which are nested, movably and mutually inserted into a cuboid barrel body; the middle of two corresponding side walls of the inner aluminum pipe barrel body is provided with a long groove (6) in a shape like a Chinese character 'ji' which bulges towards the inside of the barrel body, the middle of two corresponding side walls of the first outer aluminum pipe (2) and the second outer aluminum pipe (8) barrel body is provided with a boss (7) in a shape like a Chinese character 'ji' which bulges towards the inside of the barrel body, the boss is matched with the long groove of the inner aluminum pipe, the boss can be movably inserted into the groove, so that one end of the inner aluminum pipe is inserted into the first outer aluminum pipe (2) barrel body, the other end of the inner aluminum pipe is inserted into the second outer aluminum pipe (8) barrel body, sleeve embedding sections of the inner aluminum pipe, the first outer aluminum pipe (2);
the carbon fiber cloth is multi-directionally woven, and is firmly paved and adhered with the outer surface of the nested pipe section through a binder coated on the outer surface of the nested pipe section;
the filler is dense high-strength mortar, and the mortar is arranged in the whole inner cavity of the profile component;
wherein: the aluminum alloy carbon fiber composite profile component is of an integrally formed fixed structure.
2. The connecting structure of the aluminum alloy carbon fiber composite profile member as claimed in claim 1, wherein the aluminum alloy profile is a hollow square tube body.
3. The connecting structure of the aluminum alloy carbon fiber composite profile member as claimed in claim 1, wherein the adhesive is a special impregnating adhesive and a structural adhesive for bonding metal and carbon fiber cloth.
4. The aluminum alloy carbon fiber composite profile member connecting structure according to claim 3, wherein the adhesive is AB glue.
5. The connecting structure of aluminum alloy carbon fiber composite profile members as claimed in claim 1, wherein the mortar is high strength mortar.
6. A connection structure of aluminum alloy carbon fiber composite profile member as claimed in claim 1, wherein the lengths of the nested tube sections of the inner aluminum tube in the first outer aluminum tube (2) and the second outer aluminum tube are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021201545.6U CN212803261U (en) | 2020-06-27 | 2020-06-27 | Connecting structure of aluminum alloy carbon fiber composite profile component |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021201545.6U CN212803261U (en) | 2020-06-27 | 2020-06-27 | Connecting structure of aluminum alloy carbon fiber composite profile component |
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| CN212803261U true CN212803261U (en) | 2021-03-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458934A (en) * | 2022-01-14 | 2022-05-10 | 南京工业大学 | Member and joint integrated composite material pretightening force longitudinal fractal tooth connecting device |
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2020
- 2020-06-27 CN CN202021201545.6U patent/CN212803261U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458934A (en) * | 2022-01-14 | 2022-05-10 | 南京工业大学 | Member and joint integrated composite material pretightening force longitudinal fractal tooth connecting device |
| CN114458934B (en) * | 2022-01-14 | 2024-03-19 | 南京工业大学 | Longitudinal fractal tooth connecting device for pretightening force of component and joint integrated composite material |
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