CN112983949A - Carbon fiber composite material pipe connecting structure and connecting method - Google Patents
Carbon fiber composite material pipe connecting structure and connecting method Download PDFInfo
- Publication number
- CN112983949A CN112983949A CN202110430536.7A CN202110430536A CN112983949A CN 112983949 A CN112983949 A CN 112983949A CN 202110430536 A CN202110430536 A CN 202110430536A CN 112983949 A CN112983949 A CN 112983949A
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- pipe body
- carbon fiber
- clamping groove
- filling strip
- fiber composite
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- 238000000034 method Methods 0.000 title claims abstract description 47
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 46
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 46
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 239000002131 composite material Substances 0.000 title claims abstract description 32
- 239000010410 layer Substances 0.000 claims abstract description 37
- 239000003292 glue Substances 0.000 claims abstract description 17
- 239000012790 adhesive layer Substances 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000000945 filler Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 9
- 238000012856 packing Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 5
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 239000000835 fiber Substances 0.000 claims 1
- 238000005304 joining Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
- F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/18—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)
Abstract
The invention relates to the technical field of high-speed railway motor train manufacturing, in particular to a carbon fiber composite material pipe connecting structure and a connecting method; the connecting structure comprises a pipe body, a filling strip, a connecting rod and an adhesive layer; a cavity structure penetrating through the two ends is arranged in the tube body; the side surface of the tube body is provided with a communicating groove; the filling strip is placed in the cavity structure and is bonded with the inner wall of the tube body through a glue layer; a clamping groove is formed in one side, connected with the pipe body, of the filling strip, and a clamping table is arranged on the side wall of the clamping groove; the connecting rod slides in the clamping groove; one end of the connecting rod is provided with a boss, and the boss is clamped in the clamping groove by the clamping table; the other end of the connecting rod extends to the outer side of the pipe body and is used for being connected with a part to be installed. The invention aims to provide a carbon fiber composite pipe connecting structure and a connecting method aiming at the defects in the prior art, and the filling strip connecting screw is used for dispersing the force generated by the screw on the carbon fiber composite pipe during connection, so that the connection reliability is improved.
Description
Technical Field
The invention relates to the technical field of high-speed railway motor train manufacturing, in particular to a carbon fiber composite material pipe connecting structure and a connecting method.
Background
With the increasing speed of rail vehicles, it is required to reduce the weight of rail vehicles as much as possible. Compared with the traditional metal material, the carbon fiber composite material has the obvious advantages of small density, high strength, high modulus and the like, and the weight of the automobile body can be greatly reduced under the condition of ensuring the structural strength.
Carbon fiber composite tubes are an important component of rail vehicles, and are used for constructing vehicle body frames, reinforcing vehicle bodies, and the like, and are often used for connecting parts such as vehicle body skins, seats, and the like. Conventional connecting structures are generally connected by means of screws, rivets and the like. Because the pipe wall thickness of the carbon fiber composite material pipe is thin, and the mechanical property is different from that of the traditional metal material, the problems that the carbon fiber composite material pipe is torn, the connecting structure falls off and the like easily occur when the traditional connecting structure is adopted.
In view of the above problems, the present designer designs a carbon fiber composite material pipe connection structure and a connection method based on practical experience and professional knowledge that are abundant for many years in engineering application of such products and with the application of theory and active research and innovation.
Disclosure of Invention
The invention aims to provide a carbon fiber composite pipe connecting structure and a connecting method aiming at the defects in the prior art, and the filling strip connecting screw is used for dispersing the force generated by the screw on the carbon fiber composite pipe during connection, so that the connection reliability is improved.
In order to achieve the purpose, the invention adopts the technical scheme that:
a carbon fiber composite material pipe connection structure comprising: the pipe body, the filling strips, the connecting rods and the glue layer;
a cavity structure penetrating through the two ends is arranged in the tube body; the side surface of the tube body is provided with a communicating groove which communicates the cavity structure with the outer side of the tube body;
the filling strip is placed in the cavity structure, and one side surface of the filling strip is bonded with the inner wall of the tube body through the adhesive layer;
a clamping groove is formed in one side, connected with the pipe body, of the filling strip, clamping platforms are arranged on two side walls of the clamping groove, and the distance between the two clamping platforms is smaller than the width of the clamping groove; (ii) a
The connecting rod slides in the clamping groove; a boss is arranged at one end of the connecting rod, and the boss is clamped in the clamping groove by the two clamping tables; the other end of the connecting rod penetrates through the communicating groove and extends to the outer side of the pipe body, and the connecting rod is used for being connected with a part to be installed.
Furthermore, a first binding surface is arranged on the tube body, a second binding surface is arranged on the filling strip, and the first binding surface and the second binding surface are bonded through the adhesive layer; the first attaching surface and the second attaching surface are the same in shape.
Further, the first attaching surface and the second attaching surface are both planar structures.
Further, the filling strip structure comprises a solidified layer, wherein the solidified layer is arranged in the cavity structure and clings to the inner side wall of the cavity structure and the outer surface of the filling strip.
Furthermore, the communication groove is arranged in the center of the side surface of the pipe body, and a certain distance is reserved between the two ends of the communication groove and the end surfaces of the two ends of the pipe body; the clamping groove is formed in the center of the side face of the filling strip, and a certain distance is reserved between the two ends of the clamping groove and the end faces of the two ends of the filling strip.
Further, the workpiece placing device further comprises a workpiece placing hole, the workpiece placing hole penetrates through the outer side of the communicating groove and the inner side of the clamping groove, and the diameter of the workpiece placing hole is larger than the width of the communicating groove and the width of the clamping groove.
Furthermore, two communicating grooves are arranged, the two communicating grooves are symmetrically arranged at two ends of the pipe body, and each communicating groove is communicated with the end face of the corresponding end of the pipe body; two the draw-in groove symmetry sets up the packing strip both ends, and every the draw-in groove all communicates the terminal surface of packing strip correspondence one end.
Further, the length of the filling strip is smaller than the length of the cavity structure.
A carbon fiber composite material pipe connecting method comprises the following steps:
s1: manufacturing a solid solidified carbon fiber filling strip;
s2: a process through hole is formed in one side face of the pipe body; forming a process threaded hole in one side surface of the filling strip, and coating a glue layer on the side surface of the filling strip with the process threaded hole;
s3: placing the filling strip into the tube body, enabling the gluing surface of the filling strip to be tightly attached to the inner side wall of the tube body with the process through hole, and aligning the process through hole and the process threaded hole; then, the process screw 6 penetrates through the process through hole and is screwed into the process threaded hole, so that the filling strip and the pipe body are tightly pressed;
s4: standing the pipe body and the filling strip until the glue layer is solidified;
s5: machining a communicating groove and a clamping groove at the connecting part of the pipe body and the filling strip by using a machine tool at one time;
s6: disassembling the process screw, completely repairing the process through hole of the pipe body, and repairing the surface of the pipe body;
s7: one end of the connecting rod is placed into the clamping groove, and the other end of the connecting rod is connected with a part to be installed.
Further, between the steps S4 and S5, the following steps are further included:
s41: laying a carbon fiber material layer in the pipe body, wherein the carbon fiber material layer covers the inner wall of the pipe body and the outer surface of the filling strip;
s42: and putting the pipe body, the filling strips and the carbon fiber material layer into a heating and pressurizing environment, so that the carbon fiber material layer is solidified to form a solidified layer.
Through the technical scheme of the invention, the following technical effects can be realized:
the filling strips are used for connecting the screws, so that the force generated by the screws on the carbon fiber composite material pipe during connection is dispersed, and the connection reliability is improved; through setting up the glue film, promote the fixed reliability of filler strip and body.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a carbon fiber composite material pipe connection structure according to an embodiment of the present invention;
FIG. 2 is a side cross-sectional view of a first embodiment of a carbon fiber composite material pipe connection structure in an embodiment of the present invention;
FIG. 3 is a schematic structural view of a tube according to a first embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a first embodiment of a filler strip in an embodiment of the present invention;
FIG. 5 is a side cross-sectional view of a second embodiment of a carbon fiber composite tube connection structure in an embodiment of the present invention;
FIG. 6 is a schematic structural view of a tube body according to a second embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a second embodiment of a filler strip in an embodiment of the present invention;
FIG. 8 is a schematic structural view showing a carbon fiber composite material pipe joint structure according to a third embodiment of the present invention;
reference numerals: the pipe body 1, the communication groove 11, the first binding surface 12, the filling strip 2, the clamping groove 21, the clamping table 22, the second binding surface 23, the connecting rod 3, the boss 31, the glue layer 4, the piece placing hole 5, the process screw 6 and the solidified layer 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The invention discloses a carbon fiber composite material pipe connection structure, as shown in figures 1-7, comprising: the pipe comprises a pipe body 1, filling strips 2, connecting rods 3 and an adhesive layer 4; a cavity structure penetrating through the two ends is arranged in the tube body 1; a communicating groove 11 for communicating the cavity structure with the outer side of the pipe body 1 is formed in the side surface of the pipe body 1; the filling strip 2 is placed in the cavity structure, and one side surface of the filling strip 2 is bonded with the inner wall of the tube body 1 through a glue layer 4; a clamping groove 21 is formed in one side, connected with the pipe body 1, of the filling strip 2, clamping platforms 22 are arranged on two side walls of the clamping groove 21, and the distance between the two clamping platforms 22 is smaller than the width of the clamping groove 21; (ii) a The connecting rod 3 slides in the clamping groove 21; one end of the connecting rod 3 is provided with a boss 31, and the boss 31 is clamped in the clamping groove 21 by the two clamping platforms 22; the other end of the connecting rod 3 passes through the communicating groove 11 and extends to the outside of the pipe body 1, and the other end can be a thread, a hook and the like, and is used for being connected with a part to be installed, so that the part to be installed and the pipe body 1 are fixed.
After waiting to install the part and being connected with body 1, connecting rod 3 drives the whole lateral wall application of force to body 1 of filler strip 2, and filler strip 2 transmits the lateral wall of body 1 with the power that connecting rod 3 produced uniformly to prevent that the lateral wall of body 1 from tearing, damaging because of local atress too big leads to, thereby guarantee to wait to install the reliability that part and body 1 are fixed. The connecting rod 3 can slide in the clamping groove 21, so that the connecting rod 3 can adapt to the position of a mounting hole of a part to be mounted. The glue layer 4 prevents the filling strip 2 from sliding in the tube body 1; simultaneously, the glue layer 4 can also fill the gap between the filling strip 2 and the tube body 1, so that the force can be transmitted to the side wall of the tube body 1 more uniformly, and the strength of the structure is improved.
In consideration of tightly attaching the filler strip 2 to the tube body 1, as shown in fig. 1, the tube body 1 is provided with a first attaching surface 12, the filler strip 2 is provided with a second attaching surface 23, and the first attaching surface 12 and the second attaching surface 23 are bonded by an adhesive layer 4; first binding face 12 is the same with second binding face 23 shape, can reduce the clearance between first binding face 12 and the second binding face 23 after the bonding, and makes the distribution of glue film 4 more even, effectively promotes the reliability that glue film 4 bonded.
In consideration of improving the load capacity of the pipe body 1, as shown in fig. 1, the first attaching surface 12 and the second attaching surface 23 are both of a planar structure, so that the direction of the force transmitted from the filler strip 2 to the side wall of the pipe body 1 is perpendicular to the planar structure, the stress at each position of the side wall of the pipe body 1 is the same, the damage caused by the stress concentration section at the side wall of the pipe body 1 is prevented, and the reliability of fixing the to-be-installed part and the pipe body 1 is ensured.
As a first embodiment of the connecting structure, the connecting groove 11 and the clamping groove 21 are arranged in the center of the side surface of the pipe body 1, and two ends of the connecting groove 11 are spaced from end surfaces of two ends of the pipe body 1; the clamping groove 21 is arranged in the center of the side face of the filling strip 2, and a certain distance is reserved between the two ends of the clamping groove 21 and the end faces of the two ends of the filling strip 2.
In consideration of facilitating installation of the connecting rod 3, as shown in fig. 2 to 4, the connecting rod further comprises a piece placing hole 5, the piece placing hole 5 penetrates through the outer side of the communicating groove 11 and the inner side of the clamping groove 21, and the diameter of the piece placing hole 5 is larger than the width of the communicating groove 11 and the width of the clamping groove 21.
As a second embodiment of the connecting structure, as shown in fig. 5 to 7, two connecting grooves 11 are provided, the two connecting grooves 11 are symmetrically provided at two ends of the pipe body 1, and each connecting groove 11 is communicated with an end surface of a corresponding end of the pipe body 1; two draw-in grooves 21 symmetry sets up at 2 both ends of packing, and every draw-in groove 21 all communicates the terminal surface of the corresponding one end of packing 2.
In order to further improve the fixing effect of the filler strip 2 and the tube body 1, a third embodiment of the connecting structure, as shown in fig. 8, further includes a cured layer 7 on the basis of the connecting structure of the first or second embodiment, wherein the cured layer 7 is disposed in the cavity structure and clings to the inner side wall of the cavity structure and the outer surface of the filler strip 2 for completely fixing the filler strip 2 and the tube body 1.
In view of preventing the filling strip 2 from being too long to affect the installation of the tube body 1, as shown in fig. 2 and 5, the length of the filling strip 2 is smaller than that of the cavity structure.
The invention relates to a carbon fiber composite material pipe connecting method, which comprises the following steps:
s1: manufacturing a solid solidified carbon fiber filling strip 2;
s2: a process through hole is formed in one side surface of the pipe body 1; a process threaded hole is formed in one side surface of the filling strip 2, and a glue layer 4 is coated on the side surface, provided with the process threaded hole, of the filling strip 2;
s3: placing the filling strip 2 into the pipe body 1, enabling the gluing surface of the filling strip 2 to be tightly attached to the inner side wall of the pipe body 1 with the process through hole, and aligning the process through hole and the process threaded hole; then, the process screw 6 penetrates through the process through hole and is screwed into the process threaded hole, so that the filling strip 2 is tightly pressed with the pipe body 1;
s4: standing the tube body 1 and the filling strips 2 until the glue layer 4 is solidified;
s5: processing a communicating groove 11 and a clamping groove 21 at the connecting part of the pipe body 1 and the filling strip 2 by using a machine tool at one time;
s6: disassembling the process screw 6, completely repairing the process through hole of the pipe body 1, and repairing the surface of the pipe body 1;
s7: one end of the connecting rod 3 is placed into the clamping groove 21, and the other end of the connecting rod is connected with a part to be installed.
In order to ensure the alignment of the communicating groove 11 and the clamping groove 21, the communicating groove 11 and the clamping groove 21 are processed by fixing the tube body 1 and the filling strip 2 and processing the tube body and the filling strip once again, so that the connecting rod 3 is prevented from being placed in due to the fact that the communicating groove 11 and the clamping groove 21 are not aligned in the assembling process, the processing times are reduced, the processing difficulty is reduced, and the production efficiency is effectively improved. The tube body 1 and the filling strips 2 in the machining process can be positioned at the technical through holes, the technical threaded holes and the technical screws 6, and the tube body 1 and the filling strips 2 are prevented from being inclined due to stress to influence the final connecting effect.
As the forming method of the cured layer 7, between the steps S4 and S5, the following steps are further included:
s41: laying a carbon fiber material layer in the pipe body 1, wherein the carbon fiber material layer covers the inner wall of the pipe body 1 and the outer surface of the filling strip 2;
s42: and putting the pipe body 1, the filling strips 2 and the carbon fiber material layer into a heating and pressurizing environment, and solidifying the carbon fiber material layer to form a solidified layer 7.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A carbon fiber composite material pipe connecting structure is characterized by comprising a pipe body (1), filling strips (2), connecting rods (3) and a glue layer (4);
a cavity structure penetrating through the two ends is arranged in the pipe body (1); the top surface of the pipe body (1) is provided with a communication groove (11) for communicating the cavity structure with the outer side of the pipe body (1);
the filling strip (2) is placed in the cavity structure, and one side surface of the filling strip (2) is bonded with the inner wall of the tube body (1) through the glue layer (4);
a clamping groove (21) is formed in one side, connected with the pipe body (1), of the filling strip (2), clamping platforms (22) are arranged on two side walls of the clamping groove (21), and the distance between the two clamping platforms (22) is smaller than the width of the clamping groove (21);
the connecting rod (3) slides in the clamping groove (21); a boss (31) is arranged at one end of the connecting rod (3), and the boss (31) is clamped in the clamping groove (21) by the two clamping platforms (22); the other end of the connecting rod (3) penetrates through the communicating groove (11) and extends to the outer side of the pipe body (1) for being connected with a part to be installed.
2. The carbon fiber composite material pipe connection structure according to claim 1, wherein a first abutting surface (12) is arranged on the pipe body (1), the filler strip (2) is provided with a second abutting surface (23), and the first abutting surface (12) and the second abutting surface (23) are bonded through the adhesive layer (4); the first abutting surface (12) and the second abutting surface (23) are the same in shape.
3. The carbon fiber composite material pipe connection according to claim 2, wherein the first abutting surface (12) and the second abutting surface (23) are both planar structures.
4. The carbon fiber composite material pipe connection structure according to claim 1, further comprising a cured layer (7), wherein the cured layer (7) is disposed within the cavity structure and closely attached to the inner side wall of the cavity structure and the outer surface of the filler rod (2).
5. The carbon fiber composite material pipe connection structure according to claim 1, wherein the communication groove (11) is provided at the center of the side surface of the pipe body (1), and both ends of the communication groove (11) are spaced from the end surfaces of both ends of the pipe body (1); the clamping groove (21) is formed in the center of the side face of the filling strip (2), and a certain distance is reserved between the two ends of the clamping groove (21) and the end faces of the two ends of the filling strip (2).
6. The carbon fiber composite material pipe connecting structure according to claim 4, further comprising a piece placing hole (5), wherein the piece placing hole (5) penetrates through the outer side of the communicating groove (11) and the inner side of the clamping groove (21), and the diameter of the piece placing hole (5) is larger than the width of the communicating groove (11) and the width of the clamping groove (21).
7. The carbon fiber composite material pipe connection structure according to claim 1, wherein the number of the communication grooves (11) is two, the two communication grooves (11) are symmetrically arranged at two ends of the pipe body (1), and each communication groove (11) is communicated with the end surface of the corresponding end of the pipe body (1); two draw-in grooves (21) symmetry sets up packing strip (2) both ends, and every draw-in groove (21) all communicate the terminal surface of packing strip (2) corresponding one end.
8. The carbon fiber composite material pipe connection structure according to claim 1, wherein the length of the filler strip (2) is smaller than the length of the cavity structure.
9. A carbon fibre composite pipe joining method according to any one of claims 1 to 8, characterised by comprising the steps of:
s1: manufacturing a solid solidified carbon fiber filling strip (2);
s2: a process through hole is formed in one side surface of the pipe body (1); a process threaded hole is formed in one side surface of the filling strip (2), and a glue layer (4) is coated on the side surface, provided with the process threaded hole, of the filling strip (2);
s3: placing the filling strip (2) into the pipe body (1), enabling the gluing surface of the filling strip (2) to be tightly attached to the inner side wall of the pipe body (1) with the process through hole, and aligning the process through hole and the process threaded hole; then, a process screw (6) penetrates through the process through hole and is screwed into the process threaded hole, so that the filling strip (2) is tightly pressed with the pipe body (1);
s4: standing the tube body (1) and the filling strips (2) until the glue layer (4) is solidified;
s5: a machine tool is used for processing a communicating groove (11) and a clamping groove (21) at the connecting part of the pipe body (1) and the filling strip (2) at one time;
s6: disassembling the process screw (6), completely repairing the process through hole of the pipe body (1), and repairing the surface of the pipe body (1);
s7: one end of the connecting rod (3) is placed into the clamping groove (21), and the other end of the connecting rod is connected with a part to be installed.
10. The carbon fiber composite material pipe connecting method as claimed in claim 9, further comprising, between the steps S4 and S5, the steps of:
s41: laying a carbon fiber material layer in the pipe body (1), wherein the carbon fiber material layer covers the inner wall of the pipe body (1) and the outer surface of the filling strip (2);
s42: and putting the pipe body (1), the filling strips (2) and the carbon fiber material layer into a heating and pressurizing environment, and curing the carbon fiber material layer to form a cured layer (7).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110430536.7A CN112983949B (en) | 2021-04-21 | 2021-04-21 | Carbon fiber composite material pipe connecting structure and connecting method |
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| CN202110430536.7A CN112983949B (en) | 2021-04-21 | 2021-04-21 | Carbon fiber composite material pipe connecting structure and connecting method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113997970A (en) * | 2021-09-26 | 2022-02-01 | 中车青岛四方机车车辆股份有限公司 | Pipe structure, bogie and rail vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113997970A (en) * | 2021-09-26 | 2022-02-01 | 中车青岛四方机车车辆股份有限公司 | Pipe structure, bogie and rail vehicle |
| CN113997970B (en) * | 2021-09-26 | 2023-03-14 | 中车青岛四方机车车辆股份有限公司 | Pipe structure, bogie and rail vehicle |
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| Publication number | Publication date |
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| CN112983949B (en) | 2021-08-17 |
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